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CN118163265A - High-strength environment-friendly negative ion composite high polymer material and preparation method thereof - Google Patents

High-strength environment-friendly negative ion composite high polymer material and preparation method thereof Download PDF

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Publication number
CN118163265A
CN118163265A CN202410564703.0A CN202410564703A CN118163265A CN 118163265 A CN118163265 A CN 118163265A CN 202410564703 A CN202410564703 A CN 202410564703A CN 118163265 A CN118163265 A CN 118163265A
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CN
China
Prior art keywords
conveying
plate
negative ion
shaft
outer side
Prior art date
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Granted
Application number
CN202410564703.0A
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Chinese (zh)
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CN118163265B (en
Inventor
张金柱
刘水彦
彭剑飞
叶超飞
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Guangzhou Highteen Plastics Co ltd
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Guangzhou Highteen Plastics Co ltd
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Priority to CN202410564703.0A priority Critical patent/CN118163265B/en
Publication of CN118163265A publication Critical patent/CN118163265A/en
Application granted granted Critical
Publication of CN118163265B publication Critical patent/CN118163265B/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B13/00—Conditioning or physical treatment of the material to be shaped
    • B29B13/10—Conditioning or physical treatment of the material to be shaped by grinding, e.g. by triturating; by sieving; by filtering
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00—Mixing; Kneading
    • B29B7/002—Methods
    • B29B7/005—Methods for mixing in batches
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/022—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the choice of material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/285—Feeding the extrusion material to the extruder
    • B29C48/287—Raw material pre-treatment while feeding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/285—Feeding the extrusion material to the extruder
    • B29C48/288—Feeding the extrusion material to the extruder in solid form, e.g. powder or granules
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/01—Use of inorganic substances as compounding ingredients characterized by their specific function
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00—Use of organic ingredients
    • C08K5/0008—Organic ingredients according to more than one of the "one dot" groups of C08K5/01 - C08K5/59
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K7/00—Use of ingredients characterised by shape
    • C08K7/02—Fibres or whiskers
    • C08K7/04—Fibres or whiskers inorganic
    • C08K7/14—Glass
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2067/00—Use of polyesters or derivatives thereof, as moulding material
    • B29K2067/04—Polyesters derived from hydroxycarboxylic acids
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/06—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00—Properties
    • C08L2201/06—Biodegradable

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)

Abstract

The invention relates to the technical field of composite materials, in particular to a high-strength environment-friendly negative ion composite polymer material and a preparation method thereof. According to the high-strength environment-friendly negative ion composite high polymer material and the preparation method thereof, when the structure in the swing sieving part in the premixing device moves, the crushed high polymer matrix material which does not meet the size requirement can be sieved out and matched with the distributing plate in the treatment bin, so that the high polymer matrix material with the qualified size requirement continuously enters the conveying belt.

Description

High-strength environment-friendly negative ion composite high polymer material and preparation method thereof
Technical Field
The invention relates to the technical field of composite materials, in particular to a high-strength environment-friendly negative ion composite polymer material and a preparation method thereof.
Background
The high-strength environment-friendly negative ion composite polymer material is an innovative material which integrates advanced technological and environment-friendly concepts. The material adopts a unique preparation process and combines a bio-based additive and negative ion components, so that the material not only has excellent mechanical strength and stability, but also has remarkable negative ion release capability, and the material meets the environmental protection standard, can improve the indoor air quality and has positive influence on human health.
The patent with the application number of CN202311032527.8 discloses an anion polypropylene composite polymer material for an automobile and a preparation method thereof, wherein porous coir is used as a template, tourmaline is loaded in an ammonia water environment, a stable structure formed by shrinkage of silica sol silicon hydroxyl bonds is used for fixing the tourmaline, the coir template is removed through sintering, the porous tourmaline with high specific surface area and high anion release amount is obtained, and the porous tourmaline is applied to the polypropylene material to obtain the anion polypropylene composite polymer material for the automobile.
However, in the production process of the existing high-strength environment-friendly negative ion composite high polymer material, two stages of premixing mechanical mixing are needed for the negative ion additive and the high polymer matrix material, but the negative ion additive and the high polymer matrix material have great difference in physical and chemical properties, so that the negative ion additive and the high polymer matrix material are difficult to fully contact in the initial stage of mixing, uneven material performance is avoided, and long time is usually needed for fully stirring and mixing, so that the preparation time of the whole material is definitely prolonged, meanwhile, due to the simplification of the premixing stage, the mechanical mixing time is prolonged, and besides, the crushed high polymer matrix material also needs additional equipment to screen the crushed high polymer matrix material before mixing.
In view of the above, we propose a high-strength environment-friendly negative ion composite polymer material and a preparation method thereof.
The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person of ordinary skill in the art.
Disclosure of Invention
The invention aims to provide a high-strength environment-friendly negative ion composite polymer material and a preparation method thereof, so as to solve the problems in the background technology.
In order to achieve the above purpose, in one aspect, the invention provides a preparation method of a high-strength environment-friendly negative ion composite polymer material, which comprises the following steps:
1. Raw material preparation stage
S1, selecting polyhydroxyalkanoate, a high polymer matrix material and an anion additive for proportioning;
2. Material pulverizing stage
S2, placing the polymer matrix material in the S1 into a matrix material crushing device;
S3, starting a matrix material crushing device, and introducing the polymer matrix material crushed inside into the premixing device;
3. Premixing stage
S4, starting a transport motor in a transport part of the premixing device, driving a transport shaft to rotate, and driving cams at the front end and the rear end of the transport shaft to rotate;
s5, along with the rotation of the cam, the contact position of the cam with the roller in the swing screening part is continuously changed, the roller is driven to move up and down, and then the two sealing plates and the connecting rod are driven to move up and down together through the lower extending rod;
S6, the position of the connecting rod moving up and down in the chute of the bottom end plate body of the swinging plate is changed continuously, so that the whole swinging plate is driven to swing continuously;
s7, enabling the crushed polymer matrix material to fall onto the surface of the swing plate through the first material guide plate after entering the fixed bin body;
s8, at the moment, after passing through the screening net on the swinging plate, the macromolecule matrix material with qualified size passes through the second material guiding plate and the material distributing plate and then falls down towards the surface of the conveying belt, and the macromolecule matrix material with oversized size directly passes through the swinging plate and the material distributing plate and falls down towards the outside of the fixed bin body;
s9, along with continuous rotation of the conveying shaft, the conveying belt is driven to move, and the conveying shaft at the other end is driven to be communicated with the conveying roller to rotate;
S10, under the action of a transmission part, a high polymer matrix material falling onto the surface of the conveyer belt drives a rod end protruding shaft in the feeding mechanism to rotate together with a rotating rod in the conveying process of the conveyer belt;
S11, after the worm on the rotating rod is contacted with the worm wheel, the connecting shaft and the deflector rod are driven to rotate, and the position of the movable plate is continuously changed through the plate wall connecting rod;
s12, the negative ion additive in the material distributing box enters a slot at the outer side end part of the movable plate under the action of the negative ion additive and uniformly falls on the surface of the polymer matrix material along with the reciprocating motion of the movable plate;
S13, along with continuous transportation of the conveyer belt, the polymer matrix material and the negative ion additive fall into the discharging part together;
s14, a butt-joint gear meshed with the shaft end gear rotates along with the rotation of the shaft end gear to drive the auger to rotate, so that the polymer matrix material and the negative ion additive are transported towards the direction of the discharging cover body and fall into the stirring device;
4. Mechanical mixing stage
S15, after the content of the stirring device reaches the standard, starting a stirring motor in the stirring device, and deeply mixing the polymer matrix material and the negative ion additive;
5. Material extrusion stage
S16, after the raw materials are mixed, starting a conveying device, conveying the raw materials into a top feed hopper of the extrusion device, placing a plurality of groups of proportioned additives into a feed inlet at the outer side of the extrusion device, mixing the materials through double screws in the extrusion device, and extruding the negative ion composite polymer material from an outlet at the right end of the extrusion device;
6. subsequent treatment stage
S17, performance monitoring on the aspects of negative ion release amount, mechanical property and environmental protection performance is carried out on the prepared finished material, so that the product is ensured to meet relevant standards and requirements;
The method comprises the steps that a premixing device, a stirring device and an extrusion device are adopted to prepare a finished product material, a matrix material crushing device for crushing a polymer matrix material is arranged on the left side of the premixing device, a placing frame is arranged on the outer sides of the matrix material crushing device, the premixing device and the stirring device, and a conveying device is arranged between the stirring device and the extrusion device;
the premixing device comprises a treatment bin, a conveying part, a swing screening part, a material distributing part, a transmission part and a discharging part, wherein the conveying part is arranged in the treatment bin and is close to the bottom, the swing screening part is arranged above the top surface of the left end of the conveying part, the material distributing part is arranged above the top surface of the right end of the conveying part, the transmission part is arranged between the conveying part and the material distributing part, and the discharging part is arranged below the bottom surface of the right end of the conveying part;
The treatment bin comprises a fixed bin body, a first material guide plate arranged above the swing screening part, a second material guide plate arranged below the swing screening part, a material separation plate arranged below the second material guide plate, and protective cover plates arranged on the outer side walls of the front end and the rear end of the fixed bin body;
The conveying part comprises a left conveying shaft, a right conveying shaft, conveying rollers sleeved on the outer side wall of the conveying shaft, a conveying belt sleeved between the two conveying rollers, and cams sleeved on the front end and the rear end of the left conveying shaft;
The swing screening part comprises a swing plate with a top surface obliquely arranged at the left lower side and the right higher side, and a connecting rod which is arranged at the bottom end of the swing plate and moves along with the rotation of the cam;
The material distributing part comprises a material distributing box and a feeding mechanism arranged in the material distributing box;
The feeding mechanism comprises a rotating rod rotating along with the rotation of the conveying roller, two connecting shafts rotating along with the rotation of the rotating rod, a deflector rod arranged at the bottom end of the connecting shafts, a movable plate arranged at the left side of the rotating rod and a plurality of plate wall connecting rods arranged between the movable plate and the deflector rod;
The discharging part comprises a packing auger which rotates along with the rotation of the conveying shaft, a jacket bin sleeved on the outer side of the packing auger and a discharging cover body fixedly connected to the bin wall at the front end of the jacket bin through bolts.
According to the technical scheme, a feeding groove for guiding crushed polymer matrix materials into the fixed bin body is formed in the top surface of the left side of the fixed bin body, a bin top groove which penetrates up and down is formed in the top surface of the right side of the fixed bin body, bin wall sliding grooves which penetrate inside and outside are formed in the outer side walls of the front end and the rear end of the fixed bin body, the first material guide plate, the second material guide plate and the material separation plate are fixedly connected to the inner side wall of the fixed bin body through bolts, the protection cover plate is fixedly connected to the outer side wall of the fixed bin body through bolts, an observation window for observing the inner space of the fixed bin body is fixedly connected to the outer side wall of the right end of the fixed bin body through bolts, and bin wall protruding frames are fixedly welded at corner positions of the outer side walls of the left end and the right end of the fixed bin body.
In the technical scheme of the invention, the front end and the rear end of the conveying shaft are respectively and rotatably connected to the outer side walls of the front end and the rear end of the fixed bin body, the conveying roller is fixedly connected to the outer side wall of the conveying shaft through a bayonet lock, the cam is fixedly connected to the outer side wall of the end part of the conveying shaft through a bayonet lock, the end part of the conveying shaft positioned on the right side is fixedly connected with a shaft end gear through a bayonet lock, the starting end of the conveying shaft positioned on the left side penetrates through the outer side wall of the protective cover plate and then is coaxially connected with a conveying motor, and the conveying motor is fixedly connected to the outer side wall of the protective cover plate through a bolt.
In the technical scheme of the invention, the top end of the swinging plate is rotatably connected to the inner side wall of the fixed bin body, the inside of the through groove on the top surface of the swinging plate is fixedly connected with a screening net through a screw, a plate body sliding groove which is penetrated front and back is formed in the position, close to the bottom end, of the inside of the swinging plate, the connecting rod is arranged in the plate body sliding groove and is connected to the inside of the bin wall sliding groove in a sliding manner, sealing plates are fixedly clamped at the front end and the rear end of the connecting rod, a lower extension rod is fixedly clamped at the sealing plates, and the bottom end of the lower extension rod is fixedly connected with a roller which is in contact with the outer side wall of the cam through a bolt.
In the technical scheme of the invention, the material distribution box is fixedly connected to the inner groove wall of the groove on the top of the bin through bolts, the top surface of the material distribution box is provided with a material storage groove for placing negative ion additives, the bottom surface of the material distribution box is provided with a material feeding groove communicated with the outer side wall, the position, close to the right end, of the material distribution box is provided with a box bottom containing groove, and a plurality of regularly distributed communication holes are formed between the material feeding groove and the box bottom containing groove.
In the technical scheme of the invention, the front end and the rear end of the rotating rod are in transmission connection with the outer side walls of the front end and the rear end of the material dividing box, the front end and the rear end of the rotating rod are respectively fixedly connected with a rod end protruding shaft in a clamping mode, the outer side walls of the rod end protruding shafts are rotatably connected with the inner side walls of the protective cover plate, and the outer side walls of the rotating rod are fixedly welded with worms.
In the technical scheme of the invention, the top end of the connecting shaft is rotationally connected to the inner top surface of the tank bottom containing groove, the outer side wall of the connecting shaft is fixedly connected with a worm wheel meshed with the worm through a bayonet lock, the deflector rod is fixedly connected to the bottom end of the connecting shaft through a bolt, the movable plate is slidingly connected to the inside of the feeding groove, the top surface of the outer side wall of the movable plate is provided with a square through groove for providing a falling interval for negative ion additives, one end of a plate wall connecting rod is fixedly clamped on the outer side wall of the movable plate, and the other end of the plate wall connecting rod is rotationally connected to a convex shaft at the end part of the deflector rod.
In the technical scheme of the invention, the transmission part comprises an upper group of transmission wheels and a lower group of transmission wheels which are arranged in parallel and a transmission belt sleeved between the two groups of transmission wheels, the transmission wheel positioned below is fixedly connected to the outer side wall of the conveying shaft through a bayonet lock, and the transmission wheel positioned above is fixedly connected to the outer side wall of the rod end protruding shaft through a bayonet lock.
In the technical scheme of the invention, one end of the auger is rotationally connected to the inner side wall of the fixed bin body, the other end of the auger is rotationally connected to the outer side wall of the discharging cover body, the end part of the auger center rod is fixedly connected with a butt joint gear which is meshed with the shaft end gear through a bayonet lock, the outer bin is fixedly connected to the inner side wall of the fixed bin body through a bolt, and the top surface of one end of the outer bin is contacted with the bottom surface of the conveying belt.
On the other hand, the invention also provides a high-strength environment-friendly negative ion composite polymer material:
Comprises polyhydroxyalkanoate and a polymer matrix material, wherein the mass ratio of the polyhydroxyalkanoate to the polymer matrix material is as follows: 50-70% of polyhydroxyalkanoate and 10-20% of glass fiber; wherein the negative ion additive consists of 5-15% of natural negative ion powder and 10-20% of biological base additive; the bio-based additive adopts flavonoid compounds extracted from the strawberry tea.
Compared with the prior art, the invention has the beneficial effects that:
1. According to the high-strength environment-friendly negative ion composite high polymer material and the preparation method thereof, when the structure in the swing sieving part in the premixing device moves, the crushed high polymer matrix material which does not meet the size requirement can be sieved out and matched with the distributing plate in the treatment bin, so that the high polymer matrix material with the qualified size requirement continuously enters the conveying belt.
2. According to the high-strength environment-friendly negative ion composite polymer material and the preparation method thereof, when the transportation motor in the transportation part is started, the transportation belt can be driven to move, and part of structures in the swing sieving part, the material dividing part and the feeding mechanism can be driven to move, so that the cost of the whole equipment is reduced, and meanwhile, negative ion additives and polymer matrix materials are uniformly distributed before entering the stirring device through the cooperation of the material dividing part and the feeding mechanism, the premixing effect is improved, and the time for subsequent mechanical mixing is shortened.
3. According to the high-strength environment-friendly negative ion composite high polymer material and the preparation method thereof, the moving range of the movable plate can be changed by adjusting the size of the deflector rod in the feeding mechanism, so that the mass of the negative ion additive falling onto the conveying belt once is controlled, and the proportioning process of the negative ion additive and the high polymer matrix material before entering the stirring device is omitted.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the invention;
FIG. 2 is a schematic illustration of the structure of a premixing device in accordance with the present invention;
FIG. 3 is a schematic view of a cross-sectional structure of a premixing device in accordance with the present invention;
FIG. 4 is a schematic view showing the structural separation of the treatment bin according to the invention;
FIG. 5 is a schematic view of a cross-section of the structure of the treatment bin of the present invention;
FIG. 6 is a schematic view of the structure of the transport part of the invention;
FIG. 7 is a schematic view of the structure of the oscillating screen section of the present invention;
FIG. 8 is a schematic view of a sectional structure of a material dividing part in the invention;
FIG. 9 is a schematic view of a sectional structure of a distribution box in the invention;
FIG. 10 is a schematic view of the structure of the feeding mechanism of the invention;
FIG. 11 is a schematic view of the structure of the transmission part of the invention;
fig. 12 is a schematic structural view of a discharging part in the invention.
Reference numerals illustrate:
200. a base material pulverizing device;
300. A premixing device; 310. a treatment bin; 311. a fixed bin body; 3110. a feed chute; 3111. grooving the top of the bin; 3112. a bin wall chute; 312. a first guide plate; 313. a second guide plate; 314. a material dividing plate; 315. a protective cover plate; 316. an observation window; 317. a bin wall convex frame; 320. a transport section; 321. a transport shaft; 322. a transport roller; 323. a conveyor belt; 324. a cam; 325. a shaft end gear; 326. a transport motor; 330. a swing sifting section; 331. a swinging plate; 3310. screening net; 3311. a plate body chute; 332. a sealing plate; 333. a connecting rod; 334. a lower extension rod; 335. a roller; 340. a material distributing part; 341. a material dividing box; 3410. a storage groove; 3411. a feed chute; 3412. a tank bottom containing groove; 3413. a communication hole; 342. a feeding mechanism; 3420. a rotating lever; 3421. a rod end protruding shaft; 3422. a worm; 3423. a connecting shaft; 3424. a worm wheel; 3425. a deflector rod; 3426. a movable plate; 3427. a siding link; 350. a transmission part; 351. a driving wheel; 352. a drive belt; 360. a discharging part; 361. an auger; 362. a docking gear; 363. a coat bin; 364. a discharging cover body;
400. a stirring device;
500. Placing a frame;
600. a conveying device;
700. an extrusion device.
Detailed Description
The following description of the embodiments of the present invention will be made more apparent and fully hereinafter with reference to the accompanying drawings, in which some, but not all embodiments of the invention are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-12, the present embodiment provides a technical solution:
the preparation method of the high-strength environment-friendly negative ion composite polymer material comprises the following steps:
1. Raw material preparation stage
S1, selecting polyhydroxyalkanoate, a high polymer matrix material and an anion additive for proportioning;
2. Material pulverizing stage
S2, placing the polymer matrix material in the S1 into the matrix material crushing device 200;
s3, starting the matrix material crushing device 200, and introducing the polymer matrix material crushed inside into the premixing device 300;
3. Premixing stage
S4, starting a transport motor 326 in the transport part 320 of the premixing device 300, driving the transport shaft 321 to rotate, and driving cams 324 at the front end and the rear end of the transport shaft 321 to rotate;
S5, along with the rotation of the cam 324, the contact position of the cam 324 with the roller 335 in the swing sieving part 330 is continuously changed, so that the roller 335 is driven to move up and down, and further, the two sealing plates 332 and the connecting rod 333 are driven to move up and down together through the lower extending rod 334;
s6, the connecting rod 333 moving up and down continuously changes the position of the connecting rod in the bottom end plate body chute 3311 of the swinging plate 331 so as to drive the whole swinging plate 331 to continuously swing;
s7, after the crushed polymer matrix material enters the fixed bin body 311, the crushed polymer matrix material falls onto the surface of the swing plate 331 through the first material guide plate 312;
s8, at this time, after passing through the screen 3310 on the swing plate 331, the polymer matrix material with qualified size passes through the second guide plate 313 and the distributing plate 314, and then falls down towards the surface of the conveying belt 323, and the polymer matrix material with oversized size directly passes through the swing plate 331 and the distributing plate 314, and falls down towards the outside of the fixed bin body 311;
S9, along with the continuous rotation of the conveying shaft 321, the conveying belt 323 is driven to move, and the conveying shaft 321 at the other end is driven to be communicated with the conveying roller 322 to rotate;
S10, under the action of a transmission part 350, a high polymer matrix material falling onto the surface of the conveyer 323 drives a rod end convex shaft 3421 in the feeding mechanism 342 to rotate together with a rotating rod 3420 along with the conveyer 323 in the conveying process;
S11, after the worm 3422 on the rotating rod 3420 is contacted with the worm wheel 3424, the connecting shaft 3423 and the deflector 3425 are driven to rotate, and the position of the movable plate 3426 is continuously changed through the plate wall connecting rod 3427;
s12, the negative ion additive in the material distributing box 341 enters a slot at the outer side end part of the movable plate 3426 under the action of the negative ion additive and uniformly falls on the surface of the polymer matrix material along with the reciprocating motion of the movable plate 3426;
s13, along with continuous transportation of the conveyer belt 323, the polymer matrix material and the negative ion additive fall into the discharging part 360 together;
s14, a butt-joint gear 362 meshed with the shaft end gear 325 rotates along with the rotation of the shaft end gear 325 to drive the auger 361 to rotate, so that the polymer matrix material and the negative ion additive are transported towards the discharging cover 364 and fall into the stirring device 400;
4. Mechanical mixing stage
S15, after the content of the stirring device 400 reaches the standard, starting a stirring motor in the stirring device 400, and deeply mixing the polymer matrix material and the negative ion additive;
5. Material extrusion stage
S16, after the raw materials are mixed, starting the conveying device 600, conveying the raw materials into a top feed hopper of the extrusion device 700, placing a plurality of groups of proportioned additives into a feed inlet at the outer side of the extrusion device 700, mixing the materials by double screws in the extrusion device 700, and extruding the negative ion composite polymer material from an outlet at the right end of the extrusion device 700;
6. subsequent treatment stage
S17, performance monitoring on the aspects of negative ion release amount, mechanical property and environmental protection performance is carried out on the prepared negative ion composite polymer material, so that the product is ensured to meet relevant standards and requirements.
In this embodiment, as shown in fig. 1, in the above steps, the pre-mixing device 300, the stirring device 400 and the extrusion device 700 are used to prepare the negative ion composite polymer material, the left side of the pre-mixing device 300 is provided with the matrix material pulverizing device 200 for pulverizing the polymer matrix material, the outer sides of the matrix material pulverizing device 200, the pre-mixing device 300 and the stirring device 400 are provided with the placement frame 500, and the conveying device 600 is arranged between the stirring device 400 and the extrusion device 700;
Further, the premixing device 300 is used for pre-mixing the polymer matrix and the negative ion additive, the stirring device 400 is used for fully stirring the polymer matrix and the negative ion additive, the placement frame 500 is used for ensuring the stability of the matrix crushing device 200, the premixing device 300 and the stirring device 400, the conveying device 600 is used for conveying the mixed materials into the extrusion device 700, and the extrusion device 700 is used for completing the preparation of the negative ion composite polymer material.
In this embodiment, as shown in fig. 2-5, the premixing device 300 includes a processing bin 310, a transporting portion 320 disposed inside the processing bin 310 and near the bottom, a swing sieving portion 330 disposed above the top surface of the left end of the transporting portion 320, a material distributing portion 340 disposed above the top surface of the right end of the transporting portion 320, a transmission portion 350 disposed between the transporting portion 320 and the material distributing portion 340, and a material discharging portion 360 disposed below the bottom surface of the right end of the transporting portion 320;
Specifically, the processing bin 310 includes a fixed bin body 311, a first material guiding plate 312 disposed above the oscillating screen 330, a second material guiding plate 313 disposed below the oscillating screen 330, a material separating plate 314 disposed below the second material guiding plate 313, and a protective cover 315 disposed on outer sidewalls of front and rear ends of the fixed bin body 311.
Further, a feeding groove 3110 for guiding the crushed polymer matrix material into the inside of the fixed bin body 311 is formed in the left top surface of the fixed bin body 311, a bin top opening groove 3111 penetrating up and down is formed in the right top surface of the fixed bin body 311, bin wall sliding grooves 3112 penetrating up and down are formed in the outer side walls of the front end and the rear end of the fixed bin body 311, the first material guide plate 312, the second material guide plate 313 and the material distributing plate 314 are fixedly connected to the inner side wall of the fixed bin body 311 through bolts, the protective cover plate 315 is fixedly connected to the outer side wall of the fixed bin body 311 through bolts, an observation window 316 for observing the inner space of the fixed bin body 311 is fixedly connected to the outer side wall of the right end of the fixed bin body 311 through bolts, and bin wall protruding frames 317 are fixedly welded at corner positions of the outer side walls of the left end and the right end of the fixed bin body 311.
Further, the fixed bin body 311 is used for ensuring the strength of the overall structure of the processing bin 310, the feeding chute 3110 is used for enabling the crushed polymer matrix material to enter the fixed bin body 311, the bin top opening chute 3111 is used for providing a fixed area for the material distributing portion 340, the polymer matrix material with qualified size falls down towards the direction of the conveying portion 320 after passing through the second material guiding plate 313 and the material distributing plate 314, and the polymer matrix material with oversized size directly falls down towards the outside of the fixed bin body 311 through the swinging plate 331 and the material distributing plate 314.
In this embodiment, as shown in fig. 6, the transporting portion 320 includes two transporting shafts 321 disposed in parallel, transporting rollers 322 sleeved on the outer side walls of the transporting shafts 321, a transporting belt 323 sleeved between the two transporting rollers 322, and cams 324 sleeved on the front and rear ends of the left transporting shaft 321;
specifically, the front end and the rear end of the transportation shaft 321 are respectively connected to the outer side walls of the front end and the rear end of the fixed bin body 311 in a rotating manner, the transportation roller 322 is fixedly connected to the outer side wall of the transportation shaft 321 through a clamping pin, the cam 324 is fixedly connected to the outer side wall of the end part of the transportation shaft 321 through a clamping pin, the end part of the transportation shaft 321 positioned on the right side is fixedly connected with a shaft end gear 325 through a clamping pin, one end of the transportation shaft 321 positioned on the left side is started, and then is coaxially connected with a transportation motor 326 after passing through the outer side wall of the protection cover plate 315, and the transportation motor 326 is fixedly connected to the outer side wall of the protection cover plate 315 through a bolt.
Further, after the transportation motor 326 is started, the transportation shaft 321 at one end is driven to rotate, the cams 324 at the front and rear ends of the transportation shaft 321 are driven to rotate, and meanwhile, the transportation belt 323 also moves, so that the transportation shaft 321 at the other end is driven to communicate with the transportation roller 322 to rotate.
In this embodiment, as shown in fig. 7, the swing sifting portion 330 includes a swing plate 331 with a top surface inclined downward and upward, and a connecting rod 333 disposed at a bottom end of the swing plate 331 and moving along with the rotation of the cam 324;
Specifically, the top of the swinging plate 331 is rotationally connected to the inner side wall of the fixed bin body 311, the screening net 3310 is fixedly connected to the inside of the through groove on the top surface of the swinging plate 331 through screws, the plate body sliding chute 3311 which is penetrated front and back is formed in the position, close to the bottom end, of the swinging plate 331, the connecting rod 333 is arranged in the plate body sliding chute 3311 and is slidingly connected to the inside of the bin wall sliding chute 3112, the sealing plates 332 are fixedly clamped at the front end and the rear end of the connecting rod 333, the lower extending rods 334 are fixedly clamped at the sealing plates 332, and the bottom ends of the lower extending rods 334 are fixedly connected with the idler wheels 335 which are in contact with the outer side walls of the cams 324 through bolts.
Further, as the cam 324 rotates, the contact position of the roller 335 in the oscillating screen 330 is continuously changed, so as to drive the roller 335 to move up and down, and further, through the lower extending rod 334, the two sealing plates 332 and the connecting rod 333 are driven to move up and down together, and the connecting rod 333 moving up and down continuously changes its position in the bottom end plate chute 3311 of the oscillating plate 331, so as to drive the oscillating plate 331 to oscillate continuously.
In this embodiment, as shown in fig. 8-10, the material dividing part 340 includes a material dividing box 341 and a feeding mechanism 342 disposed inside the material dividing box 341;
Specifically, the feeding mechanism 342 includes a rotating rod 3420 that rotates with the rotation of the transport roller 322, two connecting shafts 3423 that rotate with the rotation of the rotating rod 3420, a shift lever 3425 that is disposed at the bottom end of the connecting shaft 3423, a movable plate 3426 that is disposed at the left side of the rotating rod 3420, and a plurality of plate wall links 3427 that are disposed between the movable plate 3426 and the shift lever 3425.
Further, the material distributing box 341 is fixedly connected to the inner groove wall of the top open groove 3111 through bolts, a material storing groove 3410 for placing negative ion additives is formed in the top surface of the material distributing box 341, a material feeding groove 3411 communicated with the outer side wall is formed in the bottom surface of the material storing groove 3410, a bottom containing groove 3412 is formed in the material distributing box 341 and close to the right end, and a plurality of regularly distributed communication holes 3413 are formed between the material feeding groove 3411 and the bottom containing groove 3412.
Further, the front and rear ends of the rotating rod 3420 are connected to the outer side walls of the front and rear ends of the distributing box 341 in a driving manner, the front and rear ends of the rotating rod 3420 are respectively and fixedly connected with a rod end protruding shaft 3421 in a clamping manner, the outer side walls of the rod end protruding shafts 3421 are rotatably connected to the inner side walls of the protective cover plate 315, and the outer side walls of the rotating rod 3420 are fixedly welded with a worm 3422.
Further, the top end of the connecting shaft 3423 is rotatably connected to the inner top surface of the bottom container 3412, the outer side wall of the connecting shaft 3423 is fixedly connected with a worm wheel 3424 meshed with the worm 3422 through a bayonet lock, the deflector rod 3425 is fixedly connected to the bottom end of the connecting shaft 3423 through a bolt, the movable plate 3426 is slidably connected to the inside of the feed chute 3411, a square through groove for providing a falling zone for negative ion additives is formed in the top surface of the outer side wall of the movable plate 3426, one end of the plate wall connecting rod 3427 is fixedly clamped on the outer side wall of the movable plate 3426, and the other end of the plate wall connecting rod 3427 is rotatably connected to a convex shaft at the end part of the deflector rod 3425.
Further, under the action of the transmission part 350, the rod end protruding shaft 3421 in the feeding mechanism 342 is driven to rotate together with the rotating rod 3420, and after the worm 3422 on the rotating rod 3420 contacts with the worm wheel 3424, the connecting shaft 3423 and the deflector 3425 are driven to rotate, and the position of the movable plate 3426 is continuously changed through the plate wall connecting rod 3427, so that the negative ion additive in the material distributing box 341 can enter the slot at the outer side end part of the movable plate 3426 under the action of the negative ion additive and uniformly fall into the surface of the polymer matrix material along with the reciprocating motion of the movable plate 3426.
In this embodiment, as shown in fig. 11, the transmission part 350 includes an upper transmission wheel 351 and a lower transmission wheel 351 which are arranged in parallel, and a transmission belt 352 which is sleeved between the two transmission wheels 351, the transmission wheel 351 positioned below is fixedly connected to the outer side wall of the transportation shaft 321 through a bayonet lock, and the transmission wheel 351 positioned above is fixedly connected to the outer side wall of the rod end protruding shaft 3421 through a bayonet lock.
Further, the driving wheel 351 fixed on the transportation shaft 321 rotates along with the rotation of the transportation shaft 321, and the driving wheel 351 fixed on the rod end protruding shaft 3421 is driven to rotate by the driving belt 352, so that the rod end protruding shaft 3421 is driven to rotate.
In this embodiment, as shown in fig. 12, the discharging portion 360 includes a packing auger 361 that rotates along with the rotation of the conveying shaft 321, a jacket cabin 363 that is sleeved outside the packing auger 361, and a discharging cover 364 that is fixedly connected to the front end cabin wall of the jacket cabin 363 by bolts.
Specifically, one end of the auger 361 is rotatably connected to the inner side wall of the fixed bin body 311, the other end of the auger 361 is rotatably connected to the outer side wall of the discharge cover body 364, the end part of the central rod of the auger 361 is fixedly connected with a docking gear 362 meshed with the shaft end gear 325 through a bayonet lock, the jacket bin 363 is fixedly connected to the inner side wall of the fixed bin body 311 through a bolt, and the top surface of one end of the jacket bin 363 is contacted with the bottom surface of the conveying belt 323.
Further, the docking gear 362 meshed with the shaft end gear 325 rotates along with the rotation of the shaft end gear 325, so as to drive the auger 361 to rotate, and further transport the polymer matrix material and the negative ion additive toward the discharging cover 364, and fall into the stirring device 400.
The invention relates to a high-strength environment-friendly negative ion composite polymer material, which comprises polyhydroxyalkanoate and a polymer matrix material, wherein the mass ratio of the polyhydroxyalkanoate to the polymer matrix material is as follows: 50-70% of polyhydroxyalkanoate and 10-20% of glass fiber; wherein the negative ion additive consists of 5-15% of natural negative ion powder and 10-20% of biological base additive; the bio-based additive adopts flavonoid compounds extracted from the strawberry tea;
The flavonoid compounds extracted from the strawberry tea are added into the anion composite high polymer material, so that the flavonoid compounds are easier to be degraded by microorganisms due to the nature of the natural substances containing oxygen, the long-term pollution pressure to the environment is reduced, and the flavonoid compounds extracted from the strawberry tea are added into the anion composite high polymer material, so that the flavonoid compounds are easier to be degraded by microorganisms due to the nature of the natural substances containing oxygen, and the long-term pollution pressure to the environment is reduced.
The foregoing descriptions of specific exemplary embodiments of the present invention are presented for purposes of illustration and description. It is not intended to limit the invention to the precise form disclosed, and obviously many modifications and variations are possible in light of the above teaching. The exemplary embodiments were chosen and described in order to explain the specific principles of the invention and its practical application to thereby enable one skilled in the art to make and utilize the invention in various exemplary embodiments and with various modifications as are suited to the particular use contemplated. The scope of the invention is intended to be defined by the description and equivalents thereof.

Claims (10)

1. A preparation method of a high-strength environment-friendly negative ion composite polymer material is characterized by comprising the following steps: the method comprises the following steps:
1. Raw material preparation stage
S1, selecting polyhydroxyalkanoate, a high polymer matrix material and an anion additive for proportioning;
2. Material pulverizing stage
S2, placing the polymer matrix material in the S1 into a matrix material crushing device (200);
S3, starting the matrix material crushing device (200), and introducing the polymer matrix material crushed inside into the premixing device (300);
3. Premixing stage
S4, starting a transport motor (326) in a transport part (320) in the premixing device (300) to drive a transport shaft (321) to rotate, and driving cams (324) at the front end and the rear end of the transport shaft (321) to rotate;
S5, along with the rotation of the cam (324), the contact position of the cam (324) with the roller (335) in the swing screening part (330) is continuously changed, the roller (335) is driven to move up and down, and then the two sealing plates (332) and the connecting rod (333) are driven to move up and down together through the lower extending rod (334);
S6, the position of the connecting rod (333) moving up and down in the chute (3311) of the bottom end plate body of the swinging plate (331) is changed continuously, so that the swinging plate (331) is driven to swing continuously as a whole;
S7, enabling the crushed polymer matrix material to enter a fixed bin body (311), and then fall onto the surface of a swinging plate (331) through a first material guide plate (312);
S8, at the moment, after passing through the screening net (3310) on the swinging plate (331), the macromolecule matrix material with qualified size passes through the second material guiding plate (313) and the material distributing plate (314) and then falls down towards the surface of the conveying belt (323), and the macromolecule matrix material with oversized size directly passes through the swinging plate (331) and the material distributing plate (314) and falls down towards the outside of the fixed bin body (311);
S9, along with the continuous rotation of the conveying shaft (321), the conveying belt (323) is driven to move, and the conveying shaft (321) at the other end is driven to be communicated with the conveying roller (322) to rotate;
s10, under the action of a transmission part (350), a high polymer matrix material falling onto the surface of a conveyor belt (323) drives a rod end protruding shaft (3421) in a feeding mechanism (342) to rotate together with a rotating rod (3420) along with the conveying process of the conveyor belt (323);
S11, after a worm (3422) on a rotating rod (3420) is contacted with a worm wheel (3424), a connecting shaft (3423) and a deflector rod (3425) are driven to rotate, and the position of a movable plate (3426) is continuously changed through a plate wall connecting rod (3427);
S12, negative ion additives in the material distribution box (341) enter a slot at the outer side end part of the movable plate (3426) under the action of the negative ion additives and uniformly fall onto the surface of the polymer matrix material along with the reciprocating motion of the movable plate (3426);
s13, along with continuous transportation of the conveyer belt (323), the polymer matrix material and the negative ion additive fall into the discharging part (360) together;
S14, a butt-joint gear (362) meshed with the shaft end gear (325) rotates along with the rotation of the shaft end gear (325) to drive the auger (361) to rotate, so that the polymer matrix material and the negative ion additive are transported towards the direction of the discharge cover body (364) and fall into the stirring device (400);
4. Mechanical mixing stage
S15, after the content of the stirring device (400) reaches the standard, starting a stirring motor in the stirring device (400), and deeply mixing the polymer matrix material and the negative ion additive;
5. Material extrusion stage
S16, after the raw materials are mixed, starting a conveying device (600), conveying the raw materials into a top feed hopper of an extrusion device (700), placing a plurality of groups of proportioned additives into a feed inlet at the outer side of the extrusion device (700), mixing the materials through double screws in the extrusion device (700), and extruding the negative ion composite polymer material from an outlet at the right end of the extrusion device (700);
6. subsequent treatment stage
S17, performance monitoring on the aspects of negative ion release amount, mechanical property and environmental protection performance is carried out on the prepared negative ion composite polymer material, so that the product is ensured to meet relevant standards and requirements;
The method comprises the steps that a premixing device (300), a stirring device (400) and an extrusion device (700) are adopted to prepare negative ion composite polymer materials, a base material crushing device (200) for crushing the polymer base materials is arranged on the left side of the premixing device (300), a placing frame (500) is arranged on the outer sides of the base material crushing device (200), the premixing device (300) and the stirring device (400), and a conveying device (600) is arranged between the stirring device (400) and the extrusion device (700);
The premixing device (300) comprises a treatment bin (310), a conveying part (320) arranged in the treatment bin (310) and close to the bottom, a swing screening part (330) arranged above the top surface of the left end of the conveying part (320), a material distributing part (340) arranged above the top surface of the right end of the conveying part (320), a transmission part (350) arranged between the conveying part (320) and the material distributing part (340) and a discharging part (360) arranged below the bottom surface of the right end of the conveying part (320);
The treatment bin (310) comprises a fixed bin body (311), a first material guide plate (312) arranged above the swing screening part (330), a second material guide plate (313) arranged below the swing screening part (330), a material separation plate (314) arranged below the second material guide plate (313) and a protective cover plate (315) arranged on the outer side walls of the front end and the rear end of the fixed bin body (311);
The conveying part (320) comprises a left conveying shaft (321) and a right conveying shaft (321) which are arranged in parallel, conveying rollers (322) sleeved on the outer side wall of the conveying shaft (321), conveying belts (323) sleeved between the two conveying rollers (322) and cams (324) sleeved on the front end and the rear end of the left conveying shaft (321);
The swing screening part (330) comprises a swing plate (331) with a top surface obliquely arranged at a lower left and a higher right, and a connecting rod (333) arranged at the bottom end of the swing plate (331) and moving along with the rotation of the cam (324);
the material distributing part (340) comprises a material distributing box (341) and a feeding mechanism (342) arranged in the material distributing box (341);
The feeding mechanism (342) comprises a rotating rod (3420) rotating along with the rotation of the conveying roller (322), two connecting shafts (3423) rotating along with the rotation of the rotating rod (3420), a deflector rod (3425) arranged at the bottom end of the connecting shaft (3423), a movable plate (3426) arranged at the left side of the rotating rod (3420) and a plurality of plate wall connecting rods (3427) arranged between the movable plate (3426) and the deflector rod (3425);
The discharging part (360) comprises an auger (361) which rotates along with the rotation of the conveying shaft (321), a jacket bin (363) sleeved on the outer side of the auger (361), and a discharging cover body (364) fixedly connected to the bin wall at the front end of the jacket bin (363) through bolts.
2. The method for preparing the high-strength environment-friendly negative ion composite polymer material according to claim 1, which is characterized in that: offer on the left top surface of fixed storehouse body (311) be used for leading into fixed storehouse body (311) inside feed chute (3110) with the macromolecule matrix material after smashing, offer on the top surface on fixed storehouse body (311) right side and link up storehouse top fluting (3111) from top to bottom, all offered on the front and back both ends lateral wall of fixed storehouse body (311) inside and outside wall spout (3112) that link up, first stock guide (312) second stock guide (313) with divide stock guide (314) all through bolt fixed connection in on the inside wall of fixed storehouse body (311), protection apron (315) through bolt fixed connection in on the lateral wall of fixed storehouse body (311), be used for operating personnel to observe observation window (316) of its inner space through bolt fixedly connected with on the lateral wall of fixed storehouse body (311) both ends lateral wall's corner position department all welded fastening has storehouse wall flange (317).
3. The method for preparing the high-strength environment-friendly negative ion composite polymer material according to claim 2, which is characterized in that: the front end and the rear end of the conveying shaft (321) are respectively connected to the outer side walls of the front end and the rear end of the fixed bin body (311) in a rotating mode, the conveying roller (322) is fixedly connected to the outer side walls of the conveying shaft (321) through a clamping pin, the cam (324) is fixedly connected to the outer side walls of the end portions of the conveying shaft (321) through a clamping pin, the end portions of the conveying shaft (321) located on the right side are fixedly connected with shaft end gears (325) through the clamping pin, one end of the conveying shaft (321) located on the left side penetrates through the outer side walls of the protective cover plate (315) and then is coaxially connected with a conveying motor (326), and the conveying motor (326) is fixedly connected to the outer side walls of the protective cover plate (315) through bolts.
4. The method for preparing the high-strength environment-friendly negative ion composite polymer material according to claim 3, which is characterized in that: the top of swinging plate (331) rotate connect in on the inside wall of fixed storehouse body (311), the inside of the top surface logical groove of swinging plate (331) is through screw fixedly connected with screening net (3310), and plate body spout (3311) that link up around the position department that swinging plate (331) inside is close to the bottom has been seted up, connecting rod (333) set up in the inside of plate body spout (3311) and sliding connection in the inside of storehouse wall spout (3112), both ends joint is fixed with closing plate (332) around connecting rod (333), closing plate (332) joint is fixed with down and stretches pole (334), the bottom of stretching pole (334) down through bolt fixedly connected with gyro wheel (335) that cam (324) lateral wall contradicts.
5. The method for preparing the high-strength environment-friendly negative ion composite polymer material according to claim 4, which is characterized in that: the material distribution box (341) is fixedly connected to the inner groove wall of the bin top opening groove (3111) through bolts, a material storage groove (3410) for containing negative ion additives is formed in the top surface of the material distribution box (341), a material feeding groove (3411) communicated with the outer side wall is formed in the bottom surface of the material storage groove (3410), a box bottom containing groove (3412) is formed in the position, close to the right end, of the material distribution box (341), and a plurality of regular distribution communication holes (3413) are formed between the material feeding groove (3411) and the box bottom containing groove (3412).
6. The method for preparing the high-strength environment-friendly negative ion composite polymer material according to claim 5, which is characterized in that: the front end and the rear end of the rotating rod (3420) are in transmission connection with the outer side walls of the front end and the rear end of the distributing box (341), the front end and the rear end of the rotating rod (3420) are fixedly connected with rod end protruding shafts (3421) in a clamping mode, the outer side walls of the rod end protruding shafts (3421) are in rotation connection with the inner side walls of the protective cover plate (315), and a worm (3422) is fixedly welded on the outer side walls of the rotating rod (3420).
7. The method for preparing the high-strength environment-friendly negative ion composite polymer material according to claim 6, which is characterized in that: the top end of the connecting shaft (3423) is rotationally connected to the inner top surface of the tank bottom containing groove (3412), a worm wheel (3424) meshed with the worm (3422) is fixedly connected to the outer side wall of the connecting shaft (3423) through a clamping pin, the deflector rod (3425) is fixedly connected to the bottom end of the connecting shaft (3423) through a bolt, the movable plate (3426) is slidingly connected to the inside of the feeding tank (3411), a square through groove for providing a falling zone for negative ion additive is formed in the top surface of the outer side wall of the movable plate (3426), one end of the plate wall connecting rod (3427) is clamped and fixed to the outer side wall of the movable plate (3426), and the other end of the plate wall connecting rod (3427) is rotationally connected to a convex shaft at the end of the deflector rod (3425).
8. The method for preparing the high-strength environment-friendly negative ion composite polymer material according to claim 7, which is characterized in that: the transmission part (350) comprises an upper group of transmission wheels (351) and a lower group of transmission wheels (351) which are arranged in parallel, and a transmission belt (352) sleeved between the two groups of transmission wheels (351), wherein the transmission wheels (351) arranged below are fixedly connected to the outer side wall of the conveying shaft (321) through clamping pins, and the transmission wheels (351) arranged above are fixedly connected to the outer side wall of the rod end protruding shaft (3421) through clamping pins.
9. The method for preparing the high-strength environment-friendly negative ion composite polymer material according to claim 8, which is characterized in that: one end of the auger (361) is rotationally connected to the inner side wall of the fixed bin body (311), the other end of the auger (361) is rotationally connected to the outer side wall of the discharging cover body (364), the end part of a central rod of the auger (361) is fixedly connected with a butt-joint gear (362) which is meshed with the shaft end gear (325) through a bayonet lock, the outer jacket bin (363) is fixedly connected to the inner side wall of the fixed bin body (311) through a bolt, and the top surface of one end of the outer jacket bin (363) is contacted with the bottom surface of the conveying belt (323).
10. The high-strength environment-friendly negative ion composite polymer material prepared by the preparation method of the high-strength environment-friendly negative ion composite polymer material according to claim 9, which is characterized in that: comprises polyhydroxyalkanoate and a polymer matrix material, wherein the mass ratio of the polyhydroxyalkanoate to the polymer matrix material is as follows: 50-70% of polyhydroxyalkanoate and 10-20% of glass fiber; wherein the negative ion additive consists of 5-15% of natural negative ion powder and 10-20% of biological base additive; the bio-based additive adopts flavonoid compounds extracted from the strawberry tea.
CN202410564703.0A 2024-05-09 2024-05-09 High-strength environment-friendly negative ion composite high polymer material and preparation method thereof Active CN118163265B (en)

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