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WO2018103200A1 - Structure de buse d'alimentation en liquide de microlubrification de broyage à grande vitesse, mécanisme et système de séparation et de récupération - Google Patents

Structure de buse d'alimentation en liquide de microlubrification de broyage à grande vitesse, mécanisme et système de séparation et de récupération Download PDF

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Publication number
WO2018103200A1
WO2018103200A1 PCT/CN2017/074303 CN2017074303W WO2018103200A1 WO 2018103200 A1 WO2018103200 A1 WO 2018103200A1 CN 2017074303 W CN2017074303 W CN 2017074303W WO 2018103200 A1 WO2018103200 A1 WO 2018103200A1
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WO
WIPO (PCT)
Prior art keywords
pipeline
pipe
oil
nozzle
micro
Prior art date
Application number
PCT/CN2017/074303
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English (en)
Chinese (zh)
Inventor
李长河
郭树明
卢秉恒
曹华军
张彦彬
杨敏
张乃庆
吴启东
Original Assignee
青岛理工大学
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from CN201621330620.2U external-priority patent/CN207431874U/zh
Priority claimed from CN201611109567.8A external-priority patent/CN106392764B/zh
Application filed by 青岛理工大学 filed Critical 青岛理工大学
Priority to DE112017000093.9T priority Critical patent/DE112017000093T5/de
Publication of WO2018103200A1 publication Critical patent/WO2018103200A1/fr

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
    • B23Q11/10—Arrangements for cooling or lubricating tools or work
    • B23Q11/1038—Arrangements for cooling or lubricating tools or work using cutting liquids with special characteristics, e.g. flow rate, quality
    • B23Q11/1046—Arrangements for cooling or lubricating tools or work using cutting liquids with special characteristics, e.g. flow rate, quality using a minimal quantity of lubricant
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
    • B05B15/60—Arrangements for mounting, supporting or holding spraying apparatus
    • B05B15/68—Arrangements for adjusting the position of spray heads
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/02—Spray pistols; Apparatus for discharge
    • B05B7/08—Spray pistols; Apparatus for discharge with separate outlet orifices, e.g. to form parallel jets, i.e. the axis of the jets being parallel, to form intersecting jets, i.e. the axis of the jets converging but not necessarily intersecting at a point
    • B05B7/0807—Spray pistols; Apparatus for discharge with separate outlet orifices, e.g. to form parallel jets, i.e. the axis of the jets being parallel, to form intersecting jets, i.e. the axis of the jets converging but not necessarily intersecting at a point to form intersecting jets
    • B05B7/0846—Spray pistols; Apparatus for discharge with separate outlet orifices, e.g. to form parallel jets, i.e. the axis of the jets being parallel, to form intersecting jets, i.e. the axis of the jets converging but not necessarily intersecting at a point to form intersecting jets with jets being only jets constituted by a liquid or a mixture containing a liquid
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/02—Spray pistols; Apparatus for discharge
    • B05B7/08—Spray pistols; Apparatus for discharge with separate outlet orifices, e.g. to form parallel jets, i.e. the axis of the jets being parallel, to form intersecting jets, i.e. the axis of the jets converging but not necessarily intersecting at a point
    • B05B7/0892—Spray pistols; Apparatus for discharge with separate outlet orifices, e.g. to form parallel jets, i.e. the axis of the jets being parallel, to form intersecting jets, i.e. the axis of the jets converging but not necessarily intersecting at a point the outlet orifices for jets constituted by a liquid or a mixture containing a liquid being disposed on a circle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
    • B23Q11/10—Arrangements for cooling or lubricating tools or work
    • B23Q11/1069—Filtration systems specially adapted for cutting liquids
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
    • B23Q11/10—Arrangements for cooling or lubricating tools or work
    • B23Q11/1076—Arrangements for cooling or lubricating tools or work with a cutting liquid nozzle specially adaptable to different kinds of machining operations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
    • B23Q11/10—Arrangements for cooling or lubricating tools or work
    • B23Q11/1084—Arrangements for cooling or lubricating tools or work specially adapted for being fitted to different kinds of machines
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B14/00—Arrangements for collecting, re-using or eliminating excess spraying material
    • B05B14/40—Arrangements for collecting, re-using or eliminating excess spraying material for use in spray booths
    • B05B14/45—Arrangements for collecting, re-using or eliminating excess spraying material for use in spray booths using cyclone separators
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/02—Spray pistols; Apparatus for discharge
    • B05B7/04—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge
    • B05B7/0416—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge with arrangements for mixing one gas and one liquid
    • B05B7/0483—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge with arrangements for mixing one gas and one liquid with gas and liquid jets intersecting in the mixing chamber
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working

Definitions

  • the invention relates to the field of milling processing, in particular to a structure, a separation and recovery mechanism and a system for a high-speed milling micro-lubricating liquid supply nozzle.
  • Milling refers to the use of a rotating multi-blade tool to cut a workpiece, which is a highly efficient machining method.
  • the rotation of the milling cutter is the main motion.
  • the linear motion or the rotary motion of the milling cutter or the workpiece along the coordinate direction is the feed motion, which is suitable for the machining of plane and grooved workpieces.
  • High-speed milling is an efficient milling method that uses a small amount of chips at a fast feed rate but a high metal removal rate than deep milling, which extends tool life and reduces non-machining time. Its application is particularly suitable for modern production and rapid response.
  • Micro-lubrication also known as Minimal Quantity Lubrication (MQL)
  • MQL Minimal Quantity Lubrication
  • MQL is a metal processing lubrication method that combines compressed gas (air, nitrogen, carbon dioxide, etc.) with a very small amount of lubricating oil to form a micron-scale.
  • This technology uses a minimum of grinding fluid (approximately one-thousandth of the amount of traditional cast lubrication) to ensure cost and environmental pollution and damage to the human body while ensuring effective lubrication and cooling. .
  • the micro-lubricating cutting fluid is carried by the high-pressure gas, and the cutting fluid is sprayed into the processing area. Since the jet of the compressed air-driven jet is ejected, it is no longer constrained, and its movement will spread, drift, etc. control. Therefore, the tiny droplets of particles diffuse into the work, which not only causes great pollution to the environment, but also causes great health hazards to the workers. When the diameter of the droplets is less than 4 ⁇ m, it can even cause various occupational diseases of the operator, such as respiratory diseases, skin cancer, and the like. According to actual reports, even if exposed to such an environment for a short period of time, it is possible to damage lung function. To this end, the US Occupational Safety and Health Research Institute recommends that the limit concentration of mineral oil droplets be 0.5 mg/m 3 . In order to ensure the health of the staff, it is necessary to control the tiny droplets in the micro-lubrication process.
  • Li Gang invented the energy-saving micro-lubrication system (Patent No.: ZL201410012590.X), designed an energy-saving micro-lubrication system, including an oil storage barrel and a nozzle system.
  • the oil storage barrel is filled with a lubricant and is set in the storage.
  • a fluid control valve connected to the inlet end of the oil storage tank on one side of the oil drum, a nozzle system connected to the fluid control valve, and a gas flow valve; wherein the pressure regulating filter and the gas flow valve are respectively
  • the nozzle system is in communication and the gas flow valve is in communication with the pressure regulating filter.
  • the invention precisely controls the proportion of oil and gas ejected by the nozzle system by providing a gas flow valve and a fluid control valve on the oil storage barrel, thereby avoiding atomization of the lubricant, affecting the environment, and causing waste.
  • Li Gang invented the oil-water-gas three-phase energy-saving micro-lubrication system (patent number: ZL201410012609.0), designed a three-phase energy-saving micro-lubrication system for oil, water and gas, including: micro-injection device, spray water solution device and nozzle device.
  • the micro-lubrication device is provided with an aqueous solution;
  • the oil-water-gas three-phase energy-saving micro-lubrication system is provided with compressed air, the compressed gas is divided into two paths, one route reaches the spray water solution device; the other compressed gas is divided into two branches, one road Through the fuel injection device, the other branch communicates with the nozzle device via the pipeline; the micro-injection device and the spray water solution device are respectively connected to the nozzle device through the pipeline.
  • the invention solves the problem of uneven mixing of water and oil and poor liquid discharging effect in the prior art by controlling the flow rate of oil and gas water, and can save the electricity consumption of the air compressor by 70% to 90%.
  • the invention can reduce the amount of lubricant used and the discharge amount by more than 95%, and the energy saving and emission reduction and environmental protection effects are remarkable.
  • Wu Qidong invented a three-phase energy-saving micro-lubrication cooling system for electrolyzed water and oil (patent number: ZL201610405074.2), designed a three-phase energy-saving micro-lubrication cooling system for electrolyzed water and oil, which is characterized by: electrolysis water generation , at least one micro-injection device, at least one oil-water gas injection device; the water inlet end of the electrolyzed water generating device is externally connected with a water source, and the alkaline water outlet end is connected to the oil-water gas injection device through a hose; the compressed air is divided into two paths.
  • the utility model has the advantages that the utility model has the advantages that the lubricant is used in a large amount and the environmental pollution is serious, the water and oil in the prior art is not uniformly mixed, the liquid discharge effect is not good, and the water is added frequently to increase the labor intensity.
  • Zhang Naiqing invented a special micro-lubricant for oil-water-gas three-phase micro-lubrication system and its preparation method (Patent No.: ZL201410265031.X), designed a special micro-lubricant for oil-water-gas three-phase micro-lubrication system, which is characterized by: including oil Agent A and water agent B, wherein the oil agent A is composed of the following components by weight: 40-60% of polyricinoleic acid ester; 30-50% of low viscosity synthetic ester; 2-5% of phosphate ester; ethanolamine boric acid Ester 2-5%; water agent B consists of the following weight percentage components: water 95-98%; molybdate 0.5-2%; phosphate 0.5-2%; lower alcohol 0.5-1%; benzotriene Azole or a derivative thereof is 0.01 to 0.05%.
  • the special lubricant for the oil-water gas three-phase micro-lubrication system prepared by the invention is used with a micro-lubrication device, and can
  • Zhang Naiqing invented a degradable trace lubricating oil and its preparation method (Patent No.: ZL201510674332.2), a degradable trace lubricating oil is designed, which comprises poly-pentaerythritol methacrylate oleate having a mass percentage concentration of 1-99%.
  • the micro-lubricating oil of the invention is used in combination with a micro-lubricating device, and the usage amount can be reduced to less than 5% of the original, and the lubricating and cooling effects are achieved, and the energy saving, emission reduction and environmental protection effects are remarkable.
  • Zhang Naiqing invented the organic molybdenum micro-lubricating oil (patent number: ZL201310199579.4), designed an organic molybdenum trace lubricating oil, prepared from the weight percentage of the following raw materials: organic molybdenum 31-100%; lubricating oil foundation Oil 0-69%; extreme pressure anti-wear agent 0-10%; rust inhibitor 0-10%.
  • the organic molybdenum trace lubricating oil of the invention overcomes the problem that the prior art micro-lubricating oil is not effective in the processing of difficult-to-machine metals.
  • a lubricant that is micro-lubricated and ground in a degradable grinding fluid, and the lubricant is changed into a pulse droplet having a fixed pressure, a variable pulse frequency, and a constant droplet diameter by a micro-feed device, which is generated by a high-pressure gas. Sprayed into the grinding zone as a jet under the action of an air barrier.
  • the utility model comprises at least one micro-lubricating and low-temperature cooling nozzle combination unit, which is arranged on the side of the grinding wheel cover of the grinding wheel and cooperates with the workpiece on the worktable; the unit comprises a micro-lubrication atomizing micro-nozzle and a low-temperature cooling nozzle, and a small amount of lubrication
  • the atomizing micro nozzle is connected with the nano fluid pipeline and the compressed air pipeline
  • the low temperature cooling nozzle is connected with the low temperature coolant pipeline
  • the nano fluid pipeline, the compressed air pipeline and the low temperature coolant pipeline of each unit pass through the control valve
  • the nano fluid supply system, the low temperature medium supply system, and the compressed air supply system are connected, and the nano fluid supply system, the low temperature medium supply system, and the compressed air supply system are connected to the control device. It effectively solves the problem of grinding burns, improves the surface quality of the workpiece, and achieves low-carbon green clean production with high efficiency, low consumption, environmental friendliness and resource conservation.
  • Zhang Yanbin invented the nanofluid micro-lubricating electrostatic atomization controllable jet internal cooling process system (Patent No.: ZL201410445730.2), designed a nano-fluid micro-lubricating electrostatic atomization controllable jet internal cooling process system.
  • the system includes an adjustable high voltage DC power supply, an internal cooling tool converter, a high voltage power conversion device, and an integrated nozzle.
  • the micro-lubrication system supplies a micro-lubricating cutting fluid to the inner-cooled drill bit through an internal-cooled tool changer.
  • the adjustable high-voltage DC power source transmits the positive electrode to the electrode needle of the integrated nozzle through the high-voltage electric conversion device, and electrically grounds the negative electrode to the workpiece through the electromagnetic joint, so that Electrode Needle -
  • the corona-charged electric field is formed in the workpiece area, and the micro-lubricated cutting fluid is corona-charged to achieve electrostatic atomization.
  • the micro-lubricated cutting fluid droplets can be controlled to be distributed in the spray, which can improve the uniformity of the droplet spectrum, the deposition efficiency and the effective utilization rate of the liquid, and can effectively control the movement law of the droplets, thereby Reduce pollution to the environment and provide better health protection for workers.
  • the utility model is characterized in that: the nano fluid is transported to the nozzle through the liquid path, and the high pressure gas enters the nozzle through the gas path, and the high pressure gas and the nano fluid are fully mixed and atomized in the nozzle mixing chamber, and accelerated into the vortex chamber after being accelerated by the acceleration chamber, and simultaneously Compressed gas enters through the vortex chamber vents, causing the three-phase flow to be further rotationally mixed and accelerated, and then the three-phase flow is injected into the grinding zone through the nozzle outlet in the form of atomized droplets.
  • the utility model has the beneficial effects that the swirling vent hole of the nozzle mixing chamber is tangent to the wall surface of the mixing chamber, and the nano fluid is uniformly mixed with the gas; the gas path and the liquid path are provided with a pressure regulating valve, a throttle valve and a flow meter, a nano fluid and a high pressure gas.
  • the pressure and flow rate can be adjusted according to the needs to achieve the optimal micro-lubrication effect; the problem of insufficient lubrication of the micro-lubrication, large amount of casting-type grinding lubricant, high cost of liquid treatment, and serious environmental pollution are solved.
  • a hood-type micro-lubrication supply device (utility model patent number: ZL201220222932.7), which adds nano-scale solid particles into the degradable grinding fluid to make a lubricant for micro-lubrication grinding.
  • the lubricant is changed into a pulsed droplet having a fixed pressure, a variable pulse frequency, and a constant droplet diameter by a micro-feed device, and is sprayed into the grinding zone as a jet under the action of an air separation layer generated by the high-pressure gas.
  • Li Changhe invented a nano-particle jet controllable transport micro-lubricating grinding equipment under magnetically enhanced electric field (Patent No.: 201310634991.4), designed a nano-particle jet controllable transport micro-lubricating grinding equipment under magnetically enhanced electric field Increase the charge of the droplet by increasing the magnetic field around the corona zone.
  • the utility model comprises: a nozzle with a high-voltage direct current electrostatic generator and a magnetic field forming device; the nozzle is connected with the nanometer liquid supply system and the gas supply system; and the high voltage direct current electrostatic generator is connected with the negative pole of the adjustable high voltage direct current power supply, and the adjustable high voltage direct current
  • the positive pole of the power source is connected to the workpiece powering device for attaching to the unmachined surface of the workpiece to form a negative corona discharge; a magnetic field forming device is disposed around the corona region of the electrostatic discharge; and the nanofluid grinding fluid is sprayed from the nozzle of the nozzle
  • the droplets are charged by the high-voltage direct current electrostatic generator and the magnetic field forming device while being atomized into droplets and sent to the grinding zone.
  • Li Changhe designed a nano-powder micro-lubrication cooling grinding device (utility model patent number: ZL200920177485.6), the utility model relates to a grinding device, that is, a nano-powder micro-lubricating cooling grinding Device.
  • the utility model is characterized in that the device is provided with a lubricating oil storage tank, a water storage tank and a nano-scale powder storage tank, and a flow control valve and a power supply device are arranged under each storage tank.
  • the mixing zone for atomization to form nano-particles and water-in-oil grinding fluid, which are conveyed to the grinding processing zone through hoses and nozzles.
  • the amount of grinding fluid is very small.
  • the amount of lubricating oil is not more than 50ml/h, which is only 1/20-1/50 of the traditional processing method.
  • the amount of nano powder is not more than 100g/h, and the compressed air also has the effect of chip cooling, which can simplify the workpiece cleaning process, greatly extend the life of the cleaning agent, eliminate the cooling circulation system, and greatly reduce energy consumption. It can effectively reduce the friction between the tool and the workpiece, the tool and the chip, prolong the tool life, improve the processing quality, avoid the various disadvantages of the existing casting method using a large amount of grinding fluid, improve the work efficiency and avoid the environmental pollution. .
  • Li Benkai invented the nano-fluid micro-lubricating grinding device coupled with the electrostatic grinding wheel and the electrostatic technology in the electric card and its use method (Patent No.: ZL201610049625.6), designed a coupling between the cooling wheel of the electric card and the electrostatic technology.
  • the nano-fluid micro-lubricating grinding device and the using method thereof, the material capable of generating the electric card effect is made into the nano- or micro-scale powder and added to the grinding wheel binder to form the electric card grinding wheel, and at the same time, the electrostatic atomization and the magnetic enhanced static electricity are used together.
  • a grinding device coupled with a set of grinding wheel internal cooling and electrostatic technology, which not only significantly reduces the temperature of the grinding zone, but also cleans the grinding surface of the grinding wheel to avoid blockage of the grinding wheel and significantly reduce the grinding.
  • the amount of oil mist in the surrounding environment in the cutting project, the equipment significantly improves the processing efficiency and meets the requirements of environmental protection; the device of the invention can effectively reduce the temperature of the grinding zone, improve the processing efficiency and quality, and reduce the pollution of the oil mist to the environment.
  • the harm to human health not only meet the requirements of mechanical processing but also meet the requirements of energy conservation and environmental protection.
  • a first object of the present invention is to provide a nozzle structure suitable for high-speed milling of disk parts with minute lubrication, according to the work
  • the size of the piece is adjusted to the diameter of the nozzle; a plurality of nozzles are distributed on the nozzle structure, and the number of nozzles involved in lubrication and cooling is controlled according to the size of the workpiece.
  • a second object of the present invention is to provide a high-speed milling micro-lubricating gas-liquid chip recovery and separation device, which can realize separation and collection of oil and gas chips, avoiding lubricant flying into the air, reducing air pollution and ensuring workers life safety.
  • the high-speed milling micro-lubricating liquid supply nozzle structure comprises at least two nozzle bodies, one end of the nozzle body is connected with the pipeline shell, the adjacent nozzle bodies are arranged at an interval angle, and the other end of the nozzle body is a nozzle, the nozzle body A mixing passage formed by the inside of the hollow tube is disposed, and one end of the mixing passage is connected with at least two pipelines, a gas is introduced into the first pipeline, a lubricating oil is introduced into the second pipeline, and a pipeline is disposed inside the pipeline casing.
  • the housing is connected.
  • the liquid supply nozzle can be arranged in a ring shape to provide lubrication and cooling for the machining part of the milling cutter.
  • the annular arrangement is the same or similar to the shape of the milling part, and the contact area with the processing part is large, and the lubrication effect is good.
  • the pipeline casing comprises at least two sections, and hinged connecting members are arranged between adjacent pipeline shells, and the hinge joints can be hinges to facilitate opening of the pipeline shells for installation or for different sizes. Milling tools or workpieces.
  • the outside of the nozzle body is provided in the shape of a serpentine joint, which facilitates the adjustment of the direction of the nozzle and adjusts the flow direction of the injection fluid.
  • An adjusting rod for adjusting the opening angle of the two sections of the pipeline shell is arranged between each adjacent two-stage pipeline shell, and the distance between the two pipeline casings is determined by the adjusting rod, and the two are realized Adjustment of the opening angle.
  • the adjusting rod comprises two threaded rods, one end of the two threaded rods are commonly connected to the fixed adjusting tube, and the other ends of the two threaded rods are respectively connected with the pipeline shell by fixing the adjusting rod screws, and further, the pipeline shell is an arc Shaped housing.
  • the inner diameter of the hollow tube is larger than the inner diameter of the first pipeline, and the connecting end of the first pipeline and the hollow pipe is bent, the first pipeline is provided with a convex opening, and the second pipeline is bent at one end into the first The opening of a pipe;
  • the second pipe is bent and connected to the hollow pipe, and the second pipe is provided with a convex opening at the periphery, and the first pipe is bent at one end and inserted into the opening of the second pipe;
  • an angle ⁇ between the bent end of the first pipe and the bent end of the second pipe satisfies 18° ⁇ 22°.
  • a rotating hose for adjusting the ventilation amount of the first pipeline and the amount of lubricating oil in the second pipeline is provided on one side of the pipeline casing.
  • the first pipeline and the second pipeline are pressed to control the ventilation amount and the oil volume of the nozzle body on both sides of the nozzle structure, and the first pipeline, the second pipeline and the third pipeline are both soft. tube.
  • the pipeline casing comprises two sections, three nozzle bodies are arranged on one side of each pipeline casing, and an angle ⁇ of the adjacent nozzle bodies on one pipeline casing is two-stage pipeline casing
  • the angle ⁇ between the angle ⁇ and the edge of the pipe body at the nozzle body and the nozzle body is 2° ⁇ 5°, 35° ⁇ 40°, 10° ⁇ 15°.
  • the nozzle further includes a third pipeline communicating with the hollow tube, and the third pipeline is filled with water;
  • first pipe and the hollow pipe connecting end are bent and disposed, the first pipe is provided with a convex opening at the periphery, and one end of the second pipe and the third pipe are bent and inserted into the first pipe The opening of the road;
  • the inner diameter of the first pipeline is larger than the inner diameter of the second pipeline and the third pipeline and smaller than the inner diameter of the hollow pipe;
  • the angle between the first pipeline and the second pipeline, the angle ⁇ between the first pipeline and the third pipeline, satisfies 10° ⁇ 14°.
  • the second solution provided by the present invention is:
  • the utility model relates to a gas-liquid separation and recovery mechanism for high-speed milling, which comprises an oil-water gas-chip collecting cover, an oil-water gas-chip collecting cover opening is arranged at the milling point, and the oil-water gas collecting collecting cover is connected with the semi-circular spiral cyclone through the pipeline, A pipe is arranged in a lower part of the semicircular spiral cyclone, and a falling hopper is arranged at the bottom of the pipe. The bottom of the falling hopper is connected with the lubricating oil collecting box through the falling port, and a filter net is arranged at the top of the falling port.
  • the inside of the blanking port is a hollow structure, and the outside of the blanking port is threadedly connected with the falling hopper through a thread, and the pipe is connected to the falling hopper through a flange, and a sealing ring is arranged at the joint of the two to avoid oil leakage.
  • the mesh diameter d of the filter should be satisfied for the purpose of separating the oil and water from the chips.
  • the diameter of the filter is larger than the inner diameter of the blank.
  • the third solution provided by the present invention is:
  • the utility model relates to a high-speed milling micro-lubricating liquid supply system, comprising the high-speed milling micro-lubricating liquid supply nozzle structure arranged in the box body, and an oil-water gas-chip collecting cover on the side of the high-speed milling micro-lubricating liquid supply nozzle structure, the oil-water gas chipping
  • the collecting cover is connected with an oil-water gas chip separating device disposed outside the casing, the pipe casing is disposed around the circumferential direction of the milling cutter, and if the milling cutter axis is horizontally disposed, the pipe casing is vertically disposed, and the pipe casing is The semicircular shape is set around the milling cutter, and an observation window is provided on one side of the casing to facilitate observation of the milling condition.
  • An opening is provided on one side of the box body, and the opening side of the box body is disposed toward the machine tool to realize lubrication and chip collection in the existing milling process, wherein the inlet pipe of the oil-water gas chip collecting cover is perpendicular to the setting position of the milling cutter.
  • the above oil-water gas chip separating device separates the gas with chips to reduce air pollution; wherein the opening of the water gas chip collecting cover is disposed near the cutting portion of the cutting portion.
  • first pipeline and the second pipeline are disposed through the box, and the first pipeline and the second pipeline are uniformly clamped by the transport tube fixing clip, and the transport pipeline is fixedly clamped inside the box, in the box
  • the conveying surface is provided on the surface of the body. If a third pipe is provided, the three pipes are fixed by the second pipe fixing clamp, so that the oil-water gas chip separating device also collects water due to gravity.
  • the conveying pipe fixing clip comprises two halves, and the two ends of the two halves each have an arc shape, and the two halves are oppositely arranged. After the pipeline is fixed, the two halves are fastened by screws.
  • the oil-water gas chip separating device is a semi-circular spiral cyclone dust collector, and a taper angle ⁇ is provided at the inlet of the cyclone dust collector, so that the flow rate entering the dust collector is accelerated and the mixed gas is prevented from entering due to being blocked at the inlet of the dust collector.
  • the flow rate of the precipitator is reduced by 5° ⁇ 10° to ensure that the gas can enter tangentially along the wall surface.
  • the cyclone is internally set with a radius of D 0 /2 and an arc of height h 1 , ⁇ ° (D 0 is The diameter of the cylinder, h 1 is the inlet height of the precipitator), the setting of the arc piece increases the tangential velocity v of the airflow entering the separation device, so that the oil and water gas chips are more easily separated, and a falling hopper is arranged at the bottom of the cyclone dust collector.
  • the cyclone is fixed to the bracket.
  • Cyclone dust collectors are devices used for the separation of gas solids or liquid solids. The working principle is to introduce the tangential direction of the airflow, causing its rotary motion to separate the solid particles or droplets with large inertial centrifugal force from the outer wall.
  • the high-speed milling micro-lubricating liquid supply nozzle structure provided by the invention adjusts the diameter of the nozzle according to the size of the workpiece; a plurality of nozzles are distributed on the nozzle structure, and the number of nozzles involved in lubrication and cooling is controlled according to the size of the workpiece. It achieves lubrication and cooling of the milling part and has good lubrication effect.
  • the invention can effectively avoid the splash of chips and mist by the setting of the box, and reduce the harm to the environment and the operator caused by the processing process.
  • the high-speed milling of the lubricating oil water gas chip separation and recovery device can effectively achieve the right Separation of lubricants, chips and gases reduces environmental pollution.
  • the nozzle provided by the invention can not only achieve oil and gas two-phase lubrication and cooling but also realize three-phase lubrication and cooling of water, oil and oil.
  • Figure 1 is a high-speed milling process and axial drawing of the oil and water gas chip collecting device
  • Figure 2 is a partial axial view of high speed milling
  • Figure 3 4, 5 high-speed milling processing and oil-water gas chip collection device right view, front view, top view;
  • Figure 6 is a perspective view of the micro lubrication nozzle device
  • Figure 7 is a perspective view of the oil-water gas chip separation device
  • Figure 8 is a perspective view of the oil-water gas chip separation support device
  • Figure 9 is a partial cross-sectional view of Figure 8.
  • Figure 10 is a full sectional view of the micro lubrication nozzle
  • Figure 13 is a micro-lubrication nozzle and a universal joint of the conveying pipe
  • Figure 14 is a fixed clamp axial view of the oil and water gas pipeline
  • 18(a), 18(b), and 18(c) are abutment diagrams of the blanking port, the filter net, and the filter net;
  • Figure 19 (a), 19 (b), 19 (c) a partial cross-sectional view of a micro-lubrication nozzle embodiment
  • 20(a), 20(b), and 20(c) are partial cross-sectional views of a second embodiment of a micro-lubrication nozzle
  • FIG. 1 to Fig. 5 it is a structural diagram of a high-speed milling micro-lubricating liquid supply system.
  • a high-speed milling micro-lubricating liquid supply system is divided into three parts, which consists of high-speed milling processing part I, oil-water gas chip collecting part II, oil-water gas chip separating support part III.
  • the conveying pipe I-01 is connected to the pipe casing through the serpentine joint I-08, and the two pipe casings can form a semicircle and are surrounded by the upper and lower milling.
  • the knife is set up and down.
  • the nozzle is placed in the area where the workpiece is in contact with the high speed milling cutter and is aligned with the arc.
  • the conveying pipe fixing block I-02 fixed oil water gas conveying pipe I-01
  • the two tubes in the device are kept fixed by the tube fixing clip I-09.
  • the gas and the conveying pipe I-01 connected with the semicircular nozzle are fixed on the casing I-03 through the conveying pipe fixing block I-02, the conveying pipe fixing block is two spliced magnetic materials, and the casing I-03 material is iron
  • the conveying pipe fixing block can be adsorbed on the upper surface of the casing I-03.
  • the tank I-03 is provided with an oil-water gas transmission pipe track I-12, and the oil-water gas transmission pipe track I-12 is horizontally disposed on the casing I-03, and the conveying pipe can be moved along the track by the conveying pipe fixing block to adjust the transportation.
  • the position of the tube and the nozzle relative to the milling cutter; the position of the conveying tube at the housing and the nozzle is fixed by the fixing block screw I-06 on the fixing block; the processing condition of the workpiece can be observed through the observation window I-04.
  • Fig. 6 Fig. 10, Fig. 11(a), and Fig. 11(b)
  • it is a semicircular micro-lubrication nozzle, and the oil and gas are respectively supplied from the oil and gas transmission pipe connecting the upper and lower structures of the nozzle.
  • the structure is provided with six nozzles distributed on the two-stage connected pipe casings I-18, and the outside of the nozzle body is connected with the pipeline casing through threads, wherein a section of the pipeline casing is avoided in consideration of the nozzle spraying angle to avoid cross waste spraying.
  • the angle ⁇ of the adjacent nozzle body, the angle ⁇ between the two pipe casings, and the angle ⁇ between the nozzle body and the pipe casing edge of the nozzle body are respectively 2° ⁇ 5°, 35° ⁇ ⁇ ⁇ 40 °, 10 ° ⁇ ⁇ ⁇ 15 °, the pipe shell I-18 is connected through the hinge I-19, one side is fixed by the fixed adjustment rod screw I-13 to the fixed adjustment rod I-14, two fixed adjustment The rods I-14 are screwed through the fixed adjusting tube I-15, wherein the two fixed adjusting rods I-14 are screwed in opposite directions, and the screwing directions of the fixed adjusting tubes I-15 are respectively the same as the corresponding fixed adjusting rods I-14; On the other side, there are hose clamps I-21.
  • the six nozzles can effectively lubricate and cool the workpiece-tool.
  • the gas, oil and water delivered by the conveying pipe are mixed and sprayed through the mixing nozzles I-23 through the six nozzles.
  • the pipe casing of the nozzle structure can pass through the hinge I-19 Whole, by adjusting the fixing screw rod I-13, the adjustment lever secured I-14, permanently adjusted I-15 stationary pipe. Since the water, gas and lubricating oil pipes inside the nozzle are both hoses, when the workpiece size is small, the water, gas and oil pipes inside the nozzle are rotated and adjusted by the rotating hose clamp I-21, so that the hose inside the nozzle is squeezed. The gas and oil flowing through the nozzles on both sides of the pipeline casing are reduced to zero.
  • the front end of the oil-water gas chip separation device II-03 is inserted into the collecting hood. II-01, the lower end of the oil-water gas chip separation device II-03 is bolted to the falling hopper II-04 through the flange, and the sealing ring II-06 is arranged in the middle of the separating device II-03 and the falling hopper II-04 to prevent the air pressure from falling and blanking.
  • the port II-10 is connected to the falling hopper II-04 by a threaded connection, and the filter II-09 is fixed to the upper end of the blanking port II-10 through the filter ring II-08.
  • High-speed milling processing part of the high-pressure, high-speed mixed liquid sprayed through the nozzle carries the chips into the oil-water gas-chip collecting cover II-01.
  • the inlet of the separating device has a taper angle ⁇ , 5° ⁇ 10°, so that oil, water, gas,
  • the chip mixture enters the separator along the wall surface, and the separator is a semi-circular spiral cyclone (the dimensional parameters are designed according to the "Dust Removal System System and Equipment Design Selection Manual").
  • the centrifugal force obtained from the dust particles in the cyclone is obtained according to the physics equation (1).
  • the angular velocity of the ⁇ -dust particles rotating around the dust collector shaft ie, the angular velocity of rotation
  • rad/s The angular velocity of the ⁇ -dust particles rotating around the dust collector shaft
  • the airflow After the airflow enters the cyclone, it rotates and moves to the outer wall under the action of inertial centrifugal force. It falls along the wall under the action of airflow and gravity. The separated chips fall into the falling hopper II-04, and the top cover of the separating device II-02 Prevents the chips from being discharged from above with the rotating gas.
  • the dust removal efficiency of the dust collector is reflected in the minimum dust particle diameter that the dust collector can capture, that is, the critical particle diameter d c .
  • the critical particle size is expressed by the formula (2), ie
  • V-fluid flow rate m/s
  • the mesh diameter d should be satisfied.
  • the separation device holder ring III-02 is fixed to the separation device holder III-01 by the separation bracket screw III-03 and the separation bracket nut III-04.
  • the nozzle body is minutely lubricated, and the outside of the nozzle body has a serpentine joint which can adjust the injection direction.
  • the angle ⁇ is guaranteed to be the main gas, and the gas direction cannot be changed greatly to avoid energy loss, 18 ° ⁇ ⁇ ⁇ 22 °.
  • the tubing is inserted into the trachea and mixed with gas and oil at the junction.
  • the inner diameter of the trachea is larger than the oil pipe, and the gas pipe is the main body.
  • the angle ⁇ is 10 ° ⁇ ⁇ 14 °.
  • the water pipe and the oil pipe are inserted into the air pipe, and the gas, oil and water are mixed at the joint.
  • the inner diameter of the trachea is larger than that of the oil pipe and the water pipe, and the gas pipe is the main body.
  • the micro-lubrication nozzle and the universal joint of the conveying pipe can both adjust the angle and support the nozzle with a small weight.
  • the filter mesh is a d ⁇ d square
  • the filter mesh II -09 is placed at the upper end of the blanking port II-10, the diameter is smaller than the outer diameter of the blanking port II-10, which is larger than the inner diameter of the blanking port II-10; the ring diameter of the filter ring II-08 is slightly smaller than the blanking port.
  • the filter II-09 is fixed on the blanking port II-10.
  • a micro-lubrication nozzle embodiment 1 which is oil and gas mixture, and the lubricating oil can be both degradable vegetable oil, grease, and non-degradable mineral oil.
  • the branch pipe of the oil and gas pipe is connected to the mixing member I-23, and the mixing member I-23 and the air pipe I-16 and the oil pipe I-17 are respectively positioned by the projections on the mixing member I-23.
  • FIG. 20 (a), (b) and (c) it is a second embodiment of the micro lubrication nozzle.
  • This solution is a three-phase mixing of oil, gas and water, and the working principle is the same as above.
  • a semi-circular micro-lubrication nozzle is placed on the side where the milling cutter is in contact with the workpiece, and a chip separation device is placed on the other side.
  • the high pressure gas ejected through the nozzle carries the cutting fluid to lubricate and cool the milled portion.
  • the high-pressure gas carries the chips into the oil-gas-gas-chip separation device.
  • the separation device the gas, liquid, and solid mixture rotates along the wall of the separator. Due to the inertia centrifugal force, the chips and droplets are separated from the gas by the outer wall surface. The separated chips enter the falling hopper. Due to the action of the filter, the larger-sized chips are left on the filter net, and the oil water flows down through the filter to separate and collect the oil-water gas chips.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Auxiliary Devices For Machine Tools (AREA)

Abstract

L'invention concerne une structure de buse d'alimentation en liquide de microlubrification de broyage à grande vitesse, un mécanisme et un système de séparation gaz-liquide et de récupération, la structure de buse comprenant au moins deux corps de buse. Des canaux de mélange sont disposés dans les corps de buse ; une conduite de gaz (I-16) et une conduite d'huile de lubrification (I-17) sont disposées dans une coque de conduite (I-18) et à la fois la conduite de gaz (I-16) et la conduite d'huile de lubrification (I-17) sont disposées autour d'un point central de la coque de conduite (I-18). Ladite structure peut empêcher efficacement des éclaboussures de copeaux et de gouttelettes de brouillard et réduire les dommages causés à l'environnement et aux opérateurs. Le mécanisme de séparation et de séparation gaz-liquide peut être utilisé pour séparer un agent lubrifiant, des copeaux et du gaz, ce qui permet de réduire la pollution de l'environnement.
PCT/CN2017/074303 2016-12-06 2017-02-21 Structure de buse d'alimentation en liquide de microlubrification de broyage à grande vitesse, mécanisme et système de séparation et de récupération WO2018103200A1 (fr)

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DE112017000093.9T DE112017000093T5 (de) 2016-12-06 2017-02-21 Flüssigkeitsversorgungsdüsenstruktur zur Minimalmengenschmierung beim Hochgeschwindigkeitsfräsen, Abscheide- und Rückgewinnungseinheit und System

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CN201621330620.2U CN207431874U (zh) 2016-12-06 2016-12-06 高速铣削微量润滑供液喷嘴结构及高速铣削微量润滑供液系统
CN201621330620.2 2016-12-06
CN201611109567.8 2016-12-06
CN201611109567.8A CN106392764B (zh) 2016-12-06 2016-12-06 高速铣削微量润滑供液喷嘴结构、分离与回收机构及系统

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CN111745460A (zh) * 2020-07-29 2020-10-09 南京工业职业技术学院 一种用于摇篮式五轴机床切削液在线混合机构
CN112057013A (zh) * 2020-08-25 2020-12-11 陈瑜 一种多角度粒子清洗设备
CN112123010A (zh) * 2020-09-04 2020-12-25 佛山宾达机械设备有限公司 一种微量润滑冷却设备
CN113421717A (zh) * 2021-08-04 2021-09-21 保定市五星电气有限公司 一种线缆芯绞合用滴液装置和冷却滴液
CN113984566A (zh) * 2021-10-15 2022-01-28 四川大学 基于微量润滑的对比试验环块摩擦磨损机及其试验方法
CN114700800A (zh) * 2022-03-30 2022-07-05 重庆大学 一种微量润滑喷嘴辅助对准装置
CN115106829A (zh) * 2022-03-08 2022-09-27 哈尔滨理工大学 一种适用于超临界二氧化碳微量润滑双喷管夹持装置
CN117226716A (zh) * 2023-11-13 2023-12-15 湖南中大创远数控装备有限公司 一种多功能冷却管路系统及其工作方法

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CN104985477A (zh) * 2015-07-24 2015-10-21 上海金兆节能科技有限公司 油水气三相混合喷嘴及包含该喷嘴的喷嘴系统
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Publication number Priority date Publication date Assignee Title
CN111745460A (zh) * 2020-07-29 2020-10-09 南京工业职业技术学院 一种用于摇篮式五轴机床切削液在线混合机构
CN111745460B (zh) * 2020-07-29 2024-04-19 南京工业职业技术学院 一种用于摇篮式五轴机床切削液在线混合机构
CN112057013A (zh) * 2020-08-25 2020-12-11 陈瑜 一种多角度粒子清洗设备
CN112123010A (zh) * 2020-09-04 2020-12-25 佛山宾达机械设备有限公司 一种微量润滑冷却设备
CN113421717A (zh) * 2021-08-04 2021-09-21 保定市五星电气有限公司 一种线缆芯绞合用滴液装置和冷却滴液
CN113984566A (zh) * 2021-10-15 2022-01-28 四川大学 基于微量润滑的对比试验环块摩擦磨损机及其试验方法
CN113984566B (zh) * 2021-10-15 2022-07-22 四川大学 基于微量润滑的对比试验环块摩擦磨损机及其试验方法
CN115106829A (zh) * 2022-03-08 2022-09-27 哈尔滨理工大学 一种适用于超临界二氧化碳微量润滑双喷管夹持装置
CN114700800A (zh) * 2022-03-30 2022-07-05 重庆大学 一种微量润滑喷嘴辅助对准装置
CN114700800B (zh) * 2022-03-30 2024-04-12 重庆大学 一种微量润滑喷嘴辅助对准装置
CN117226716A (zh) * 2023-11-13 2023-12-15 湖南中大创远数控装备有限公司 一种多功能冷却管路系统及其工作方法
CN117226716B (zh) * 2023-11-13 2024-02-13 湖南中大创远数控装备有限公司 一种多功能冷却管路系统的工作方法

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