CN108889472A - New type nozzle - Google Patents
New type nozzle Download PDFInfo
- Publication number
- CN108889472A CN108889472A CN201810864230.0A CN201810864230A CN108889472A CN 108889472 A CN108889472 A CN 108889472A CN 201810864230 A CN201810864230 A CN 201810864230A CN 108889472 A CN108889472 A CN 108889472A
- Authority
- CN
- China
- Prior art keywords
- heater strip
- flange
- fixed
- nozzle
- nozzle body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
- B05B1/24—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means incorporating means for heating the liquid or other fluent material, e.g. electrically
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D19/00—Casting in, on, or around objects which form part of the product
- B22D19/04—Casting in, on, or around objects which form part of the product for joining parts
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The present invention provides new type nozzles, including nozzle body, flange, seal fixed metalwork, power supply line, temp.-sensing wire, heater strip fixed mechanism, sealing ring, insulating ceramics, the fixed ceramics of insulation, runner, heater strip, groove, temperature-sensitive line passage and heating wire casing, it is made of on the nozzle body two sections of different columns of diameter, the one end being relatively large in diameter is head, it is connected on mold, the lesser one end of diameter is tail portion, the flange is penetrated from tail portion, it is fixed on nozzle body, the side of the flange is equipped with aperture, heater strip fixed mechanism is connected on the aperture of the flange.The present invention is using the buried heater strip nozzle of edge, than the energy consumption that original heating method saves 50%, play the role of energy-saving and environment-friendly, heater strip uses special arrangement mode, guarantee that entire nozzle temperature is uniform, using special welding procedure, entire nozzle is made to form integral structure, phenomena such as sealing effect is good, is not in leak adhesive；The nozzle stability is good, long service life.
Description
Technical field
The present invention relates to Hot runner Technology fields, in particular to new type nozzle.
Background technique
Flow distribution plate is connect with nozzle and injection molding machine in hot runner system, and the plastic melt for being molded by the molten condition come is led to
The shunting plate runner for crossing heating branches to each nozzle.
There are two types of existing heater strip mounting means：The first, heater strip is wrapped on nozzle, passes through fixing sleeve on the outside
It is fixed；The second, heater strip is directly processed into spring like according to various sizes of nozzle, is directly sleeved on nozzle when in use
On.Both mounting means all have the following defects：There is gap between heater strip and nozzle, heat transfer efficiency is not high, is heating
To same temperature, more energy consumptions are needed；And heater strip is not completely fixed, as temperature increases, deformation occurs for meeting, meanwhile,
Heater strip does not have safeguard measure, be easy to be corroded, the service life it is short.Current nozzle is formed using a variety of component combinations, seal degree
It is bad, the phenomenon that leak adhesive is easy to appear in use, and the maintenance in later period is very difficult, causes the phenomenon that the service life is short, scrappage is high；
In addition, heater strip leading-out terminal does not have special protective device, it is easy to appear the case where fractureing, leaking electricity, is existed in use certain
Risk.
The constant temperature nozzle of our company is mainly used for the plastic cement melt of molten condition being uniformly injected into mold by runner and cast gate
Type chamber, so that formed product is complete, no cold burden.The heater strip rational deployment of heating is embedded in nozzle entirety by new type nozzle,
And welded using nickel powder, so that heater strip is integrated with nozzle, uniform heat distribution is consistent, so that the plastic cement melt in hot flow path
In a molten state, flow equalization is smooth.Nozzle temperature is uniformly a particularly important link, we add in new type nozzle
Heated filament has done fine calculating and test measurement on thread path.Novel constant-temperature nozzle material can use H13 high-quality mould steel.
Form of nozzle directly determines that hot runner system is selected and mold manufactures, therefore corresponding hot runner system is divided into open hot flow path
System and needle valve type hot runner system.Its basic gate form is mainly according to the plastic cement material atmosphere used：Open cast gate, point
Cast gate, valve gate and side gate.
Summary of the invention
In order to overcome the drawbacks of the prior art, the present invention provides a kind of new type nozzle.
To achieve the goals above, the present invention provides following technical scheme：
New type nozzle, including nozzle body, flange, seal fixed metalwork, is power supply line, temp.-sensing wire, heater strip fixed mechanism, close
Seal, insulating ceramics, the fixed ceramics that insulate, runner, heater strip, groove, temperature-sensitive line passage and heating wire casing, the nozzle body
On be made of two sections of different columns of diameter, the one end being relatively large in diameter be head, be connected on mold, the lesser one end of diameter
For tail portion, the flange is penetrated from tail portion, is fixed on nozzle body, and the side of the flange is equipped with aperture, the flange
Heater strip fixed mechanism is connected on aperture, the heater strip fixed mechanism is equipped with cable-through hole, sets on the outside of the nozzle body
There is helical form to heat wire casing, equipped with heater strip in the heating wire casing, the leading-out terminal face flange side of the heater strip it is small
Hole sequentially passes through flange and heater strip fixed mechanism；The heater strip passes through the free end connection of flange on the power line, described
The connecting pin of heater strip and power supply line is fixed by sealing ring, insulating ceramics and the fixed ceramics of insulation, the sealing ring, insulation pottery
Porcelain and the fixed ceramics inside of insulation are equipped with cable-through hole, and three is successively socketed in from outside to inside on heater strip and power supply line, and is passed through
The fixed metalwork of sealing is connected on heater strip fixed mechanism fixed；
The nozzle body inner vertical offers runner, and the runner runs through entire nozzle body；It opens the side of the flange
Equipped with temperature-sensitive line passage, temp.-sensing wire is equipped in the temperature-sensitive line passage.
Further, the heater strip is welded in the heating wire casing on nozzle body by nickel powder, belongs to the buried knot of edge
Structure guarantees heat transfer efficiency, reduces contact of the heater strip with air；The flange is welded with heater strip fixed mechanism by nickel powder
Fixed, the flange and nozzle body are welded to connect by nickel powder and are fixed；Nickel powder welding procedure is：In a vacuum furnace, temperature is protected
Hold DEG C or more, melt nickel powder, the nickel powder after thawing can flow to all grooves and be filled up, and reach welding effect, cold
But welding is completed afterwards.
Further, for the heater strip fixed mechanism far from thread is equipped on the outside of one end of flange, the sealing is fixed golden
Category part is used with heater strip fixed mechanism and is threadedly coupled.
Further, the larger side in internal diameter side of the flange is smaller, and the larger side of flange inner diameter is towards nozzle
Groove is formed after body head, flange and nozzle body are fixed.
Further, the heating wire casing arrangement at the both ends of the nozzle body is intensive, intermediate sparse, the heating wire casing
Arrangement by software simulation be calculated.
Beneficial effect brought by the present invention is：1, using buried heater strip nozzle is inlayed, heater strip is bumped into nozzle sheet completely
In vivo, and with filler cover, heater strip will not fall off, be notheated deformation dislocation, can also to avoid heater strip burn by
Tide, while heater strip seldom, the more power saving higher than other heating method thermals efficiency, than original that reduce contact with air, heat loss
Some heating methods saves 50% energy consumption, plays the role of energy-saving and environment-friendly, accordingly also extends the service life of heater strip；2,
In the case where identical shot, our company nozzle volume is small compared with product of the same trade or business, and the runner internal diameter margin of tolerance accurate can control
In+0.05/ -0.03mm range, high-precision internal diameter provides better molding effect and broader for Injection Industry
Molding space；3, using special arrangement mode, guarantee that entire nozzle temperature is uniform；4, using special welding procedure, make entire
Phenomena such as nozzle forms integral structure, and sealing effect is good, is not in leak adhesive；5, the nozzle stability is good, long service life.
Detailed description of the invention
Fig. 1 is the top view of structure of the invention.
Fig. 2 is Section A-A cross-sectional view in Fig. 1.
Fig. 3 is section B-B cross-sectional view in Fig. 1.
Fig. 4 is the structure top view after the completion of welding.
Fig. 5 is C-C cross-sectional view in Fig. 4.
Fig. 6 is the main view of nozzle.
Fig. 7 is D-D cross-sectional view in Fig. 6.
Figure label：
1, nozzle body；2, flange；3, fixed metalwork is sealed；4, power supply line；5, temp.-sensing wire；6, heater strip fixed mechanism；7,
Sealing ring；8, insulating ceramics；9, the fixed ceramics of insulation；10, runner；11, heater strip；12, groove；13, temperature-sensitive line passage；14,
Heat wire casing.
Specific embodiment
The preferred embodiments of the present invention will be described in detail with reference to the accompanying drawing, so that advantages and features of the invention energy
It is easier to be readily appreciated by one skilled in the art, so as to make a clearer definition of the protection scope of the present invention.
As shown in figs. 1-7, new type nozzle, including nozzle body 1, flange 2, sealing fixed metalwork 3, power supply line 4, temperature-sensitive
Line 5, heater strip fixed mechanism 6, sealing ring 7, insulating ceramics 8, the fixed ceramics 9 of insulation, runner 10, heater strip 11, groove 12, sense
Warm line passage 13 and heating wire casing 14 are made of on the nozzle body 1, one be relatively large in diameter two sections of different columns of diameter
End is head, is connected on mold, and the lesser one end of diameter is tail portion, and the flange 2 is penetrated from tail portion, is fixed on nozzle body
On 1, the side of the flange 2 is equipped with aperture, is connected with heater strip fixed mechanism 6, the heater strip on the aperture of the flange 2
Fixed mechanism 6 is equipped with cable-through hole, and the outside of the nozzle body 1 is equipped with helical form and heats wire casing 14, in the heating wire casing 14
Equipped with heater strip 11, the aperture of 2 side of leading-out terminal face flange of the heater strip 11, sequentially passes through flange 2 and heater strip is solid
Determine mechanism 6；The free end that the heater strip 11 passes through flange 2 is connected on power supply line 4, the heater strip 11 and power supply line 4
Connecting pin is fixed by sealing ring 7, insulating ceramics 8 and the fixed ceramics 9 of insulation, and the sealing ring 7, insulating ceramics 8 and insulation are solid
Cable-through hole is equipped with inside Dingtao porcelain 9, three is successively socketed in from outside to inside on heater strip 11 and power supply line 4, and solid by sealing
Determine metalwork 3 and be connected to fixation on heater strip fixed mechanism 6, wherein sealing ring 7, insulating ceramics 8 and fixed ceramic 9 threes of insulation
Play the role of protecting heater strip 11 and power supply line 4, while playing the effect of sealing, insulation；
1 inner vertical of nozzle body offers runner 10, and the runner 10 runs through entire nozzle body 1；The flange 2
Side offers temperature-sensitive line passage 13, temp.-sensing wire 5 is equipped in the temperature-sensitive line passage 13, the temp.-sensing wire 5 and power supply line 4 are all
It is connected on temperature controller, power supply line 4, which is used to provide electricity, makes heater strip 11 generate heat, and temp.-sensing wire 5 is used to measure the temperature of nozzle.
The heater strip 11 is welded in the heating wire casing 14 on nozzle body 1 by nickel powder, is belonged to the buried structure of edge, is protected
Heat transfer efficiency is demonstrate,proved, contact of the heater strip with air is reduced；The flange 2 and being welded by nickel powder for heater strip fixed mechanism 6 are solid
Fixed, the flange 2, which is welded to connect with nozzle body 1 by nickel powder, to be fixed；Nickel powder welding procedure is：In a vacuum furnace, temperature is protected
It holds at 1000 DEG C or more, melts nickel powder, the nickel powder after thawing can flow to all grooves and be filled up, and reach welding effect
Fruit completes welding after cooling.
The heater strip fixed mechanism 6 far from being equipped with thread on the outside of one end of flange 2, the fixed metalwork 3 of the sealing and
Heater strip fixed mechanism 6 using being threadedly coupled, replace by detachable check.
The larger side in internal diameter side of the flange 2 is smaller, and the larger side of 2 internal diameter of flange is towards nozzle body 1
Groove 12 is formed after portion, flange 2 and nozzle body 1 are fixed, groove 12 is the position in welding for placing nickel powder.
The heating wire casing 14 at the both ends of the nozzle body 1 is arranged intensively, intermediate sparse, the row of the heating wire casing 14
Cloth is calculated by software simulation, and both ends arrangement is intensively because end is contacted with foreign object, and rapid heat dissipation needs a large amount of heat
Maintain temperature constant, intermediate heater strip only plays the role of heat preservation, prevents liquid curing in nozzle.
The present invention is further described with working principle with reference to the accompanying drawing.
Nozzle body 1 processes heater strip slot 14 by CNC, and heater strip 11 is wound on heater strip slot 14, has been wound
It is socketed upper flange 2 in the tail portion of nozzle body 1 after, wherein the side of flange 2 offers the aperture for placing heater strip 11, small
It is inserted into heater strip fixed mechanism 6 in hole, pricker powder is then placed in groove 12, connect and part-structure is put into vacuum
Furnace, temperature are maintained at 1000 DEG C or more, melt the nickel powder in groove 12, and nickel powder can be filled in all gaps after melting,
Nozzle body 1, flange 2, heater strip 11 and heater strip fixed mechanism 6 are welded as a whole structure；
Component after taking out welding, power supply line 4 is connected on heater strip 11, is then successively covered from inside to outside on power supply line 4
The fixed ceramics 9 of insulation, insulating ceramics 8 and sealing ring 7 are connect, the fixed metalwork 3 of sealing is finally threaded in heater strip and is fixed
It is on the thread in 6 outside of mechanism, power supply line 4 and heater strip 11 is fixed；
Temp.-sensing wire 5 is directly placed into temperature-sensitive line passage 13, and 5 outer free end of temp.-sensing wire and the outer end of power supply line 4 are connected directly between
On temperature controller, in actual use, heating temperature is confirmed according to injection molding material, then setting needs the temperature heated（Temp.-sensing wire 5
The temperature of detectable flange 2, since the temperature of entire nozzle is uniform, so the temperature is nozzle temperature）, pass through power supply line
The 4 entire nozzles of heating, until reaching the temperature of needs；
The temperature of entire nozzle is uniformly to be determined by the arrangement of heater strip 11, and the arrangement of heater strip 11 is：Head, flange
The arrangement of portion both ends is intensive, and middle part arrangement is sparse, wherein head is connected directly between on client's mold, and heat dissipation ratio is very fast, is needed big
The heat of amount, flange are connected on flow distribution plate at position, are radiated also than very fast；Specific canoe and circle number pass through software mould
It is quasi- to be calculated, and temperature on entire nozzle is obtained by the way that several thermometer holes are arranged on nozzle body 1 in the Preliminary Practice stage
Uniformly.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those skilled in the art within the technical scope disclosed by the invention, can without the variation that creative work is expected or
Replacement, should be covered by the protection scope of the present invention.Therefore, protection scope of the present invention should be limited with claims
Subject to fixed protection scope.
Claims (5)
1. new type nozzle, which is characterized in that including nozzle body（1）, flange（2）, seal fixed metalwork（3）, power supply line
（4）, temp.-sensing wire（5）, heater strip fixed mechanism（6）, sealing ring（7）, insulating ceramics（8）, the fixed ceramics of insulation（9）, runner
（10）, heater strip（11）, groove（12）, temperature-sensitive line passage（13）With heating wire casing（14）, the nozzle body（1）On by two sections
The different column composition of diameter, the one end being relatively large in diameter is head, is connected on mold, and the lesser one end of diameter is tail portion,
The flange（2）It is penetrated from tail portion, is fixed on nozzle body（1）On, the flange（2）Side be equipped with aperture, the flange
（2）Aperture on be connected with heater strip fixed mechanism（6）, the heater strip fixed mechanism（6）Equipped with cable-through hole, the nozzle sheet
Body（1）Outside be equipped with helical form heat wire casing（14）, the heating wire casing（14）It is interior to be equipped with heater strip（11）, the heater strip
（11）Leading-out terminal face flange（2）The aperture of side, sequentially passes through flange（2）With heater strip fixed mechanism（6）；The heating
Silk（11）Across flange（2）Free end be connected to power supply line（4）On, the heater strip（11）With power supply line（4）Connecting pin
Pass through sealing ring（7）, insulating ceramics（8）With the fixed ceramics of insulation（9）It is fixed, the sealing ring（7）, insulating ceramics（8）With it is exhausted
The fixed ceramics of edge（9）Inside is equipped with cable-through hole, and three is successively socketed in heater strip from outside to inside（11）With power supply line（4）On, and
By sealing fixed metalwork（3）It is connected to heater strip fixed mechanism（6）Upper fixation；
The nozzle body（1）Inner vertical offers runner（10）, the runner（10）Through entire nozzle body（1）；Institute
State flange（2）Side offer temperature-sensitive line passage（13）, the temperature-sensitive line passage（13）It is interior to be equipped with temp.-sensing wire（5）.
2. new type nozzle according to claim 1, which is characterized in that the heater strip（11）Nozzle is welded on by nickel powder
Ontology（1）On heating wire casing（14）It is interior, the flange（2）With heater strip fixed mechanism（6）Be welded and fixed by nickel powder, institute
State flange（2）With nozzle body（1）It is welded to connect and is fixed by nickel powder；Nickel powder welding procedure is：In a vacuum furnace, temperature is kept
At 1000 DEG C or more, melt nickel powder, the nickel powder after thawing can flow to all grooves and be filled up, reach welding effect,
Welding is completed after cooling.
3. new type nozzle according to claim 1, which is characterized in that the heater strip fixed mechanism（6）Far from flange（2）
One end on the outside of be equipped with thread, sealing fixation metalwork（3）With heater strip fixed mechanism（6）Using threaded connection.
4. new type nozzle according to claim 1, which is characterized in that the flange（2）The larger side in internal diameter side compared with
It is small, the flange（2）The larger side of internal diameter is towards nozzle body（1）Head, flange（2）With nozzle body（1）It is formed after fixation
Groove（12）.
5. new type nozzle according to claim 1, which is characterized in that the nozzle body（1）Both ends heater wire
Slot（14）Arrangement is intensive, intermediate sparse, the heating wire casing（14）Arrangement by software simulation be calculated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810864230.0A CN108889472A (en) | 2018-08-01 | 2018-08-01 | New type nozzle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810864230.0A CN108889472A (en) | 2018-08-01 | 2018-08-01 | New type nozzle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108889472A true CN108889472A (en) | 2018-11-27 |
Family
ID=64352821
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810864230.0A Pending CN108889472A (en) | 2018-08-01 | 2018-08-01 | New type nozzle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108889472A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109501153A (en) * | 2018-12-30 | 2019-03-22 | 马斯特模具（昆山）有限公司 | A kind of injection-moulding nozzle and hot runner system |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5266023A (en) * | 1992-09-30 | 1993-11-30 | Craig W. Renwick | Injection molding nozzle having an electrical terminal with an insulative connector. |
| CN1646292A (en) * | 2002-02-05 | 2005-07-27 | 标准模具有限公司 | Injection nozzle with heated head |
| DE102005044439A1 (en) * | 2004-10-15 | 2006-04-27 | Incos S.P.A., San Polo Di Piave | Injector for equipment for injection molding of plastic materials |
| CN202498686U (en) * | 2011-11-03 | 2012-10-24 | 陈宏建 | Novel hot runner nozzle |
| CN203254613U (en) * | 2013-04-28 | 2013-10-30 | 邹文才 | Novel hot runner system |
| CN103522496A (en) * | 2013-09-30 | 2014-01-22 | 苏州好特斯模具有限公司 | Hot nozzle main body |
-
2018
- 2018-08-01 CN CN201810864230.0A patent/CN108889472A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5266023A (en) * | 1992-09-30 | 1993-11-30 | Craig W. Renwick | Injection molding nozzle having an electrical terminal with an insulative connector. |
| CN1646292A (en) * | 2002-02-05 | 2005-07-27 | 标准模具有限公司 | Injection nozzle with heated head |
| DE102005044439A1 (en) * | 2004-10-15 | 2006-04-27 | Incos S.P.A., San Polo Di Piave | Injector for equipment for injection molding of plastic materials |
| CN202498686U (en) * | 2011-11-03 | 2012-10-24 | 陈宏建 | Novel hot runner nozzle |
| CN203254613U (en) * | 2013-04-28 | 2013-10-30 | 邹文才 | Novel hot runner system |
| CN103522496A (en) * | 2013-09-30 | 2014-01-22 | 苏州好特斯模具有限公司 | Hot nozzle main body |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109501153A (en) * | 2018-12-30 | 2019-03-22 | 马斯特模具（昆山）有限公司 | A kind of injection-moulding nozzle and hot runner system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20181228 Address after: Room 105, No. 36 Dongchang Road, Bacheng Town, Kunshan City, Suzhou City, Jiangsu Province Applicant after: KUNSHAN LOSHIDE ELECTRONIC MATERIALS CO., LTD. Address before: Room 308-1, Building No. 748 Changjiang Road, Suzhou New District, Jiangsu Province Applicant before: Suzhou Ruihuang Precision Mould Co., Ltd. |
|
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20181127 |