GB2592139A - Release agent spray coating device for SG abrasive particle production process - Google Patents

Release agent spray coating device for SG abrasive particle production process Download PDF

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Publication number
GB2592139A
GB2592139A GB2104364.1A GB202104364A GB2592139A GB 2592139 A GB2592139 A GB 2592139A GB 202104364 A GB202104364 A GB 202104364A GB 2592139 A GB2592139 A GB 2592139A
Authority
GB
United Kingdom
Prior art keywords
release agent
shell
cotton filter
filter
oil mist
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.)
Granted
Application number
GB2104364.1A
Other versions
GB2592139B (en
GB202104364D0 (en
Inventor
Li Changhe
Huang Baoteng
Zhai Han
Lu Bingheng
Cao Huajun
Wang Zhen
Zhang Naiqing
Yang Min
Zhang Yanbin
Hou Yali
Li Runze
Cui Xin
Liu Mingzheng
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
QINGDAO SISA ABRASIVES CO Ltd
Qingdao University of Technology
Original Assignee
QINGDAO SISA ABRASIVES CO Ltd
Qingdao University of Technology
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
Application filed by QINGDAO SISA ABRASIVES CO Ltd, Qingdao University of Technology filed Critical QINGDAO SISA ABRASIVES CO Ltd
Publication of GB202104364D0 publication Critical patent/GB202104364D0/en
Publication of GB2592139A publication Critical patent/GB2592139A/en
Application granted granted Critical
Publication of GB2592139B publication Critical patent/GB2592139B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • B05B13/00—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00
    • B05B13/02—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work
    • B05B13/0278—Arrangement or mounting 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
    • B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
    • B05B1/30—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to control volume of flow, e.g. with adjustable passages
    • B05B1/3026—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to control volume of flow, e.g. with adjustable passages the controlling element being a gate valve, a sliding valve or a cock
    • 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
    • B05B14/43—Arrangements for collecting, re-using or eliminating excess spraying material for use in spray booths by filtering the air charged with excess material
    • 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
    • B05B14/46—Arrangements for collecting, re-using or eliminating excess spraying material for use in spray booths by washing the air charged with excess material
    • B05B14/462—Arrangements for collecting, re-using or eliminating excess spraying material for use in spray booths by washing the air charged with excess material and separating the excess material from the washing liquid, e.g. for recovery
    • 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
    • B05B14/46—Arrangements for collecting, re-using or eliminating excess spraying material for use in spray booths by washing the air charged with excess material
    • B05B14/462—Arrangements for collecting, re-using or eliminating excess spraying material for use in spray booths by washing the air charged with excess material and separating the excess material from the washing liquid, e.g. for recovery
    • B05B14/463—Arrangements for collecting, re-using or eliminating excess spraying material for use in spray booths by washing the air charged with excess material and separating the excess material from the washing liquid, e.g. for recovery by means of ultrafiltration
    • 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
    • B05B15/62—Arrangements for supporting spraying apparatus, e.g. suction cups
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B16/00—Spray booths
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B16/00—Spray booths
    • B05B16/40—Construction elements specially adapted therefor, e.g. floors, walls or ceilings
    • 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
    • B05B7/0441—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 one inner conduit of liquid surrounded by an external conduit of gas upstream the mixing chamber
    • B05B7/045—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 one inner conduit of liquid surrounded by an external conduit of gas upstream the mixing chamber the gas and liquid flows being parallel just upstream the mixing chamber
    • 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
    • B05B7/24—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 with means, e.g. a container, for supplying liquid or other fluent material to a discharge device
    • B05B7/2489—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 with means, e.g. a container, for supplying liquid or other fluent material to a discharge device an atomising fluid, e.g. a gas, being supplied to the discharge device
    • B05B7/2494—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 with means, e.g. a container, for supplying liquid or other fluent material to a discharge device an atomising fluid, e.g. a gas, being supplied to the discharge device a liquid being supplied from a pressurized or compressible container to the discharge device
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B13/00—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00
    • B05B13/02—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work
    • B05B13/0207—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work the work being an elongated body, e.g. wire or pipe
    • 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

Landscapes

  • Nozzles (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)

Abstract

A release agent spray coating device for an SG abrasive particle production process comprises a housing (III). A hole for a belt mold (III-1-8) to pass through is provided at two sides of the housing (III). At least one spraying nozzle (IV-2) used to spray coat an atomized release agent to the belt mold (III-1-8) is installed within the housing (III). The housing (III) is connected to an oil mist collector mechanism (V). The oil mist collector mechanism (V) comprises a suction component provided within an oil mist collector container, and a filter layer is provided at one side of the suction component in the oil mist collector container. The invention solves the problem in the prior art in which spray coating a release agent is likely to generate bubbles in an abrasive particle chamber resulting in high levels of environmental pollution, and has the beneficial effects of enabling a release agent to fill an abrasive particle chamber and reducing air pollution.

Description

RELEASE AGENT SPRAYING DEVICE USED IN SG ABRASIVE GRAIN PRODUCTION PROCESS
BACKGROUND
Technical Field
The present invention relates to the field of abrasive grain production, and in particular to a release agent spraying device used in an SG abrasive grain production process.
Related Art In the year of 1981, the Industrial Abrasives Department of 3M in the United States introduced a ceramic corundum abrasive with the trademark "Cubitron", which has more than twice the toughness of common corundum and has better grinding performance than most common abrasives. In the year of 1986, Norton developed an SG abrasive, which is also a ceramic corundum abrasive with similar performance to Cubitron. In fact, both of the abrasives are made by a chemical ceramic technique commonly known as the Sol-gel (SG) technique, hence the name SG abrasive is obtained. The technical process is as follows: a hydrosol of A1302.1420 is prepared, after gelation, the product is solidified by drying and crushed into grains, and finally, the grains are sintered into the abrasive. Since seeding agents (or seed crystals) are often used in the sol-gel process, the SG technique is also often referred to as the "seeded gel" technique. In the 1980s, the SG technique was used for abrasive production, and SG abrasives began to be used in the field of industrial processing. At present, artificial abrasives on the market are mainly divided into two categories: corundum abrasives and silicon carbide abrasives. However, compared with common corundum abrasives, the new generation of SG abrasives with high hardness, good toughness, good sharpness and the like have the advantages of high abrasive ratio, good shape retention, good surface working quality of workpieces, small dressing of grinding wheels, high grinding efficiency and the like. Therefore, industrial production of SG abrasives is very important for increasing the service life of grinding wheels, improving the surface quality of workpieces, and promoting the innovation of grinding wheels.
The industrial production of SG abrasives often has the disadvantages of incomplete shape of abrasive grains, poor surffice topography and the like. One of the key technologies to improve the integrity of the abrasive grains is to efficiently apply a release agent all over a mold cavity to prevent the slurry from sticking to the cavity, causing damage to the abrasive grain structure and even failure to separate the abrasive grains from the cavity. On the other hand, the incompletely utilized release agent needs to be recycled to reduce air pollution and resource waste, and there is currently no specific structure or device to achieve this technique.
It is found after search that Ye Jianguo and Hu Zhiquan invented a device for uniformly applying a release agent (Patent No.: 201420168415.5). The front of a sleeve is provided with a cavity matched with a mold, and the sleeve is connected with a sleeve frame through a bearing. The rear of the sleeve is connected with a guide post, the guide post is connected with a motor and driven by the motor to rotate, and the motor is fixed to a rear seat.
In this method, the sleeve is placed in the mold, and the release agent is applied to the mold by 360° under the rotation of the motor, so the application effect is good. Moreover, the number of sleeves can be set according to the number of corresponding molds, so that multiple molds can be processed at a time. This method has low application efficiency and low use efficiency of the release agent, and is not applicable to the application of the release agent in the cavity.
It is found after search that Wu Yingtao and Pang Jianjun designed a release agent waste gas collection device (Patent No.: 201820123437.8). Baffles include a front baffle, two side baffles, a rear baffle, a top baffle and a bottom baffle, which together form a semi-closed cavity. The front baffle is provided with a release agent spraying operation port.
The side baffles are provided with a contour through port. The top and rear baffles are provided with more than one suction port. Suction components include air ducts and air suction compressors, and each air duct is connected to one of the suction ports and provided with one air suction compressor. Release agent recycling components include a guide pipe and a release agent recycling barrel. One end of the guide pipe is connected to the bottom baffle, and the other end extends into the release agent recycling barrel.
In this method, by improving the structure of the waste gas collection device, the spraying operation of the release agent is carried out in the semi-closed cavity, and thereby achieving collection of the release agent waste gas and controlling the emission of the waste gas and the pollution to the environment on the premise of not affecting the movement of the production line and the spraying operation of the release agent. However, this method is incapable of completely inhibiting the diffusion of the release agent due to the adoption of the semi-closed structure, and the suction fan adopted does not filter the release agent in the air and at the bottom.
In conclusion, the existing release agent application devices occupy a lot of space, apply the release agent onto a belt mold in a thin film liquid manner by a traditional release agent application technique, and therefore, are mostly suitable for a mold release process of common parts. Due to the presence of gas in the abrasive grain cavity, applying the release agent to the pmduction tool in this manner will produce bubbles in the abrasive grain cavity, which is not conducive to the abrasive grains falling out of the abrasive grain cavity and even produces a phenomenon of adhesion between the abrasive and the abrasive cavity, and thereby damaging the shape of the abrasive grains and further affecting the performance and service life of the grinding wheel. The recycling of release agents has not received much attention. The existing oil mist recycling mechanisms are mostly used for collecting waste gas or oil mist in the air, and are incapable of recycling the release agent settling on the bottom of the machine, which reduces resource utilization rate and increases environmental pollution.
SUMMARY
In order to overcome the defects of the prior art, the present invention provides a release agent spraying device used in an SG abrasive grain production process. The device can efficiently realize spraying of the release agent and solve the problem that the traditional application of the release agent cannot fully fill the abrasive grain cavity with the release agent. The incompletely utilized release agent can be recycled into a release agent recycling box, and thereby reducing the air pollution, improving the working environment and also increasing the utilization rate of the release agent.
A specific solution of the release agent spraying device used in an SG abrasive grain production process is as follows: The release agent spraying device used in an SG abrasive grain production process includes a shell. Two sides of the shell are provided with openings for a belt mold to run through, at least one nozzle for spraying an atomized release agent to the belt mold is mounted in the shell, the shell is connected with an oil mist collecting mechanism, the oil mist collecting mechanism includes a suction component arranged in an oil mist collecting box body, and one side of the suction component in the oil mist collecting box body is provided with a filter layer.
According to the above release agent spraying device, the belt mold is driven by a power mechanism to run through the openings to realize the movement. In the movement process of the belt mold, the nozzle sprays the release agent to the belt mold, which is conducive to fully filling the cavity with the release agent. The oil mist collecting mechanism collects the release agent particles in the shell, and thereby reducing the air pollution, improving the working environment and also increasing the utilization rate of the release agent.
Further, a bottom of the shell is connected with a release agent collecting box, the release agent collecting box is connected with the oil mist collecting mechanism, the release agent collecting box includes a recycling box, a first cotton filter is arranged in the recycling box, the first cotton filter is capable of moving relative to the recycling box, and the recycling box is provided with a first cotton filter moving port. In this way, the release agent that is not utilized flows down along a shell top after contacting a top end of the shell, and flows to a bottom end of the shell and then into the recycling box along the bottom of the shell.
A concave filter screen is mounted above the first cotton filter in the recycling box to filter out impurities in the release agent. The concave filter screen firstly filters out the impurities in the release agent of two parts. The release agent is subjected to secondary filtration through the first cotton filter, and finally flows to the box bottom.
Further, the recycling box is provided with cotton filter support rollers at the first cotton filter moving port, one side of the recycling box is provided with a cotton filter supply roller at a side part of the cotton filter support roller to supply the first cotton filter into the recycling box.
The other side of the recycling box relative to the cotton filter supply roller is further provided with a cotton filter collecting roller for recycling the first cotton filter, and the cotton filter collecting roller and the cotton filter supply roller are respectively arranged on two sides of the recycling box. The first cotton filter is rolled at the cotton filter supply roller, and the first cotton filter enters the recycling box under the support of the cotton filter support rollers. The cotton filter collecting roller drags the first cotton filter in the recycling box to move, so that new cotton filters can be supplied in time, and thereby enhancing the efficiency and quality of filtration.
Further, a lifting mechanism is mounted in the shell, and the nozzles are connected 15 with the lifting mechanism. A distance between every adjacent two of the nozzles is adjustable.
Further, the nozzle includes a nozzle body, and a through hole is arranged in the nozzle body. One side of the through hole communicates with an air supply mechanism, and the other side communicates with a liquid supply mechanism. A flow adjusting needle is mounted in the nozzle body through the through hole. One end of the through hole of the nozzle body is connected with one end of a gas-liquid cap, and the other end of the gas-liquid cap is provided with a sealing cap. A mixing cavity is formed between the sealing cap and the gas-liquid cap, and the sealing cap and the gas-liquid cap are both internally provided with channels capable of communicating with the through hole. By arranging the nozzle structure and the flow adjusting needle, the amount of the release agent used in the spraying process can be controlled, and thereby effectively increasing the utilization rate of the release agent.
Further, the shell is a closed shell, and a top of the shell is a curved surface, which facilitates flow of the release agent. An arrangement height of the openings of the shell is greater than an arrangement height of the nozzle, the openings are arranged along a width direction of the shell, the shell is provided with an openable shell sealing door, and the shell sealing door is lockable.
Further, a side part of the shell is provided with a support roller for supporting the belt mold to move below the center of the openings.
A bottom of the shell is provided with a drainage bottom plate, and one side of the drainage bottom plate is set lower than the other side.
Further, an air deflector is arranged on one side of the suction component in the oil mist collecting mechanism. The air deflector is provided with an air opening. The filter layer is arranged on the other side of the air deflector relative to the suction component. The filter layer includes a first layer filter plate and a second cotton filter sequentially arranged from an inlet of the oil mist collecting box to the air deflector, the second cotton filter is fixed to a filter screen case by a cotton filter clip, and the oil mist collecting box is provided with a first oil dripping port below the filter layer.
Further, one side of the oil mist collecting box is further provided with a filter cartridge cotnmunicating with the oil mist collecting box, a bottom of the suction component is provided with a second oil dripping port, and the first oil dripping port and the second oil dripping port both communicate with the recycling box.
A surface of the first layer filter pore plate is provided with pores that allow oil mist to pass through, and the filter plate can filter out and settle most of water in the oil mist or the oil mist. The oil mist after primary filtration firstly passes through the filter screen case, and then passes through the washed second cotton filter to complete the secondary filtration. The oil mist and the water mist after the primary filtration and the secondary filtration are subjected to double filtration to settle to the bottom of the oil mist collecting box, and flow to the recycling box via the first oil dripping port. The oil mist and the water mist after secondary filtration pass through a deflection opening in the air deflector under the action of the suction force generated by impellers installed at a front end of the suction component, for example a motor, enter the right side of the box body, and finally reach the filter cartridge, which is a high-efficiency filter cartridge. After tertiary filtration and settling, the oil mist and the water mist flows into the recycling box via the second oil dripping port.
Further, the lifting mechanism is two sets of guide rail-slider mechanisms arranged on an inner side of the shell, sliders in the two sets of guide rail-slider mechanisms are connected through a nozzle mounting plate, the guide rails are vertically fixed on inner side walls of the shell, the slider is slidable relative to the guide rail, the nozzles are mounted on the nozzle mounting plate, and the nozzle mounting plate is provided with a plurality of mounting holes or an elongated hole to realize the adjustment of the distance between the adjacent two nozzles. The slider is provided with a star-shaped screw handle. Screwing in the star-shaped screw handle to press against the guide rail together with the slider can realize the fixation of the position of the slider, and thus the height of the nozzle can be fixed.
Compared with the prior art, the present invention has the following beneficial effects: 1) According to the present invention, the nozzles are used to spray the release agent to the belt mold, so that the release agent can be effectively sprayed in the belt mold cavity uniformly. By arranging the oil mist collecting mechanism, the suspended oil mist and water mist particles distributed in the shell are firstly sucked in, and then subjected to high-efficiency filtration three times (primary filtration, secondary filtration and final filtration), such that the oil mist and the water mist settle to the bottom of the box and flow into the release agent recycling box respectively via the first oil dripping port and the second oil dripping port, and thereby realizing filtration and recycling of the release agent and increasing the utilization rate of the release agent.
2) According to the present invention, the release agent collecting box is arranged to filter and recycle the release agent in the shell, so that the cotton filter can be supplied in time, the replacement of the cotton filter is simplified, and the cotton filters utilized can be collected in a centralized manner.
3) According to the present invention, by arranging the shell, the release agent can be effectively inhibited from diffusion in the air. One side of the bottom of the shell is set higher than the other side, so that the drainage plate at the bottom of the shell is a slope, which is beneficial for the release agent that flows down along the side wall of the shell and the release agent that settles in the air to flow into the recycling box along the bottom of the shell.
4) According to the present invention, by arranging the nozzles, based on the principle of atomization, the release agent is atomized into tiny particles and sprayed in the belt mold cavity, so that the cavity can be fully filled with the release agent, and the probability of producing bubbles in the cavity is low, which plays a key role in the shape of abrasive grains subsequently filled into the cavity.
BRIEF DESCRIPTION OF THE DRAWINGS
The accompanying drawings constituting a part of the present invention are used to provide a further understanding of the present invention. The exemplary examples of the present invention and descriptions thereof are used to explain the present invention, and do 15 not constitute an improper limitation of the present invention.
FIG. 1 is a general assembly diagram of a release agent spraying device used in an SG abrasive grain production process in an example of the present invention.
FIG. 2 is a workflow diagram of the release agent spraying device used in an SG abrasive grain production process in an example of the present invention.
FIG. 3 is a schematic diagram of a liquid supply mechanism and an air supply mechanism in an example of the present invention.
FIG. 4 is an exploded view of the assembly of an electric motor and an oil pump in an example of the present invention.
FIG. 5 is a partial sectional view of the assembly of the electric motor and the oil pump 25 in the example of the present invention.
FIG. 6 is an exploded view of a shell in an example of the present invention. FIG. 7(a) is a front view of the shell in the example of the present invention.
FIG. 7(b) is a right side view of the shell in the example of the present invention.
FIG. 7(c) and FIG. 7(d) are partial enlarged views of the shell in the example of the present invention.
FIG. 8 is a full sectional view of the shell in the example of the present invention.
FIG. 9(a) is a schematic diagram of a magnet assembly in an example of the present invention.
FIG. 9(b) is a full sectional view of the magnet assembly in the example of the present invention.
FIG. 10(a) is a schematic side view of a support wheel in an example of the present 10 invention.
FIG. 10(b) is a sectional view of the support wheel in the example of the present invention.
FIG. 11 is a distribution diagram of a release agent on a production tool in an example of the present invention.
FIG. 12 is a diagram of distribution and spraying effect of nozzles in an example of the present invention.
FIG. 13 is a front view of the spraying device in an example of the present invention.
FIG. 14(a) is an axial sectional view of a guide rail-slider group in an example of the present invention.
FIG. 14(b) is a schematic side view of the guide rail-slider group in the example of the present invention.
FIG. 15(a) is a front view of the guide rail-slider group in the example of the present invention.
FIG. 15(b) is a schematic diagram of the F-F section in FIG. 15 (a) in the example of the present invention.
FIG. 15(c) is a schematic diagram of the E-E section in FIG. 15 (a) in the example of the present invention.
FIG. 16 is a top view of the assembly of a nozzle support plate and a nozzle in an example of the present invention.
FIG. 17 is an exploded view of the nozzle in the example of the present invention.
FIG. 18 is a full sectional view of the nozzle in the example of the present invention.
FIG. 19 is an exploded view of an oil mist collecting mechanism in an example of the present invention.
FIG. 20(a) is a side view of the oil mist collecting mechanism in the example of the present invention.
FIG. 20(b) is a fhll sectional view of the oil mist collecting mechanism in the example of the present invention.
FIG. 21(a) is a front view of an oil mist collecting shell in an example of the present invention.
FIG. 21(b) is a sectional view of the oil mist collecting shell in the example of the present invention.
FIG. 22(a) is a front view of a first layer filter pore plate in an example of the present invention.
FIG. 22(b) is a side view of the first layer filter pore plate in the example of the present invention.
FIG. 23(a) is a front view of a filter screen case in an example of the present invention.
FIG. 23(b) is a sectional view of the assembly of a filter screen case, a cotton filter clip and a washed cotton filter in an example of the present invention.
FIG. 24(a) is a front view of an air deflector in an example of the present invention. FIG. 24(b) is a side view of the air deflector in the example of the present invention.
FIG. 25(a) is a front view of an impeller in an example of the present invention.
FIG. 25(b) is a sectional view of the impeller in the example of the present invention.
FIG. 26 is an exploded view of a release agent collecting box in an example of the present invention.
FIG. 27(a) is a side view of the release agent collecting box in the example of the present invention.
FIG. 27(b) is a full sectional view of the release agent collecting box in the example of the present invention.
FIG. 28(a) is a full sectional view of a cotton filter supply roller in an example of the present invention.
FIG. 28(b) is a partial enlarged view of the cotton filter supply roller in the example of the present invention.
FIG. 29 is an exploded view of the assembly of a cotton filter collecting roller in an example of the present invention.
FIG. 30 is a front view of the assembly of the cotton filter collecting roller in the 15 example of the present invention In the figures: I: liquid supply mechanism, II: air supply mechanism, III: shell, IV: spraying mechanism, V: oil mist collecting mechanism, VI: release agent collecting box 1-4: electric motor, 1-5: electric motor support plate, 1-6: bolt group 1, 1-7: flat key 1, 1-8: bolt group 2, 1-9: coupling, 1-10: connecting plate, I-1 1: bolt group 3, 1-12: flat key 2, 1-13: oil pump; DI-1-1: shell top, 111-1-2: shell sealing door, 111-1 -3: door handle, 111-1 4: drainage bottom plate, III-1-5: curved side plate, 111-1-6: square side plate, III-1-7: convex side plate, 111-1 -8: belt mold, III-1 -9: rear shell plate, III-1-10: hinge, III-2: support wheel group, : support wheel, BI-2-2: support wheel bolt group 1, 111-2-3: support wheel support frame 111-2-4: support wheel bolt group 2, 111-3: magnet assembly, III-3-1: magnet assembly bolt group 1, III-3-2: right-angle support frame, III-3-3: magnet assembly bolt group 2, 111-3-4: magnet support frame, 111-3-5: magnet, III-3-6: magnet assembly bolt group 3; IV-1: guide rail-slider group, IV-1-1: guide rail-slider bolt group 1, W-1-2: guide mil support side support seat, IV-1-3: nozzle support plate, IV-1-4: guide rail-slider socket head cap screw, IV-1-5: star-shaped screw handle, IV-1-6: guide rail-slider bolt group 2, N-1-7: slider, IV-1-8: guide rail, IV-1-9: gasket, IV-2: nozzle, IV-2-1: retainer, IV-2-2: sealing cap, N-2-3: connecting ring, W-2-4: gas-liquid cap, IV-2-5: sealing ring 1, 1V-2-6: nozzle body, W-2-7: flow adjusting needle, W-2-8: rotary adjustment knob, W-2-9: sealing ring 2, W-2-10: adjusting needle fixing ring, W-2-11: adjusting needle rotating cap; V-1: first layer filter plate, V-2: filter screen case, V-3: cotton filter clip, V-4: air 10 deflector, V-5: oil mist collecting box, V-6: box cover connecting hinge, V-7: box cover, V-8: impeller, V-9: motor, V-10: connecting pipe, V-11: high-efficiency filter cartridge, V-12: second cotton filter, V-13: motor cover; VI-1-1: collecting box cover handle, VI-1-2: collecting box cover, VI-1-3: filter screen handle, VI-1-4: concave filter screen, VI-1-5: cotton filter support plate, VI-1-6: collecting box body, VI-1-7: first cotton filter, VI-2: cotton filter support roller, VI-3: cotton filter supply roller, VI-3-1: supply roller shaft, VI-3-2: bearing end cover, VI-3-3: sealing felt, VI-3-4: deep groove ball bearing 1, VI-3-5: supply roller outer ring, VI-4-1: rotating handle, VI-4-2: support rib, V1-4-3: support rib bolt group 1, VI-4-4: cotton filter collecting roller shaft, VI-4-5: spring, VI-4-6: clamping bar, VI-4-7: deep groove ball bearing 2, VI-4-8: support rib bolt group 2, VI-4-9: clamping bar fixing ring.
DETAILED DESCRIPTION
It should be pointed out that the following detailed descriptions are all illustrative and are intended to provide further descriptions of the present invention. Unless otherwise specified, all technical and scientific terms used herein have the same meanings as those usually understood by a person of ordinary skill in the art to which the present disclosure belongs.
It should be noted that the terms used herein are merely used for describing specific implementations, and are not intended to limit exemplary implementations of the present disclosure. As used herein, the singular form is intended to include the plural form, unless the context clearly indicates otherwise. In addition, it should further be understood that terms "comprise" and/or "include" used in this specification indicate that there are features, steps, operations, devices, components, and/or combinations thereof As described in the background art, there exist defects in the prior art. In order to solve the above technical problems, the present invention provides a release agent spraying device used in an SG abrasive grain production process. The present invention will be further explained below in conjunction with the accompanying drawings of the specification.
In a typical embodiment of the present invention, as shown in FIG. 1, a release agent spraying device used in an SG abrasive grain production process includes a liquid supply mechanism I, an air supply mechanism H, a shell III, a spraying mechanism IV, an oil mist collecting mechanism V and a release agent collecting box VI.
As shown in a workflow diagram of release agent spraying and collecting mechanisms used in an SG abrasive grain production process in FIG. 2, the release agent is firstly sprayed out from nozzles, and then sprayed to a surface of a belt mold. The release agent that is not utilized flows down along a curved surface of a shell top after contacting a top end of the shell, and flows to a bottom end of the shell and then into a recycling box along an inclined surface of the shell. The release agent that is not utilized and is suspended in the shell is sucked into an oil mist collecting box under the action of an oil mist collecting mechanism. Finally, the release agent filtered by the oil mist collecting box and the release agent settling at the shell bottom together flow into a release agent recycling box.
As shown in a schematic diagram of the liquid supply mechanism and the air supply mechanism in FIG. 3, the liquid supply mechanism includes an oil tank. The oil tank is connected with the nozzles through an oil pipe. The oil pipe is provided with an oil pump. The oil tank provides the release agent for the entire device. A filter in the oil tank filters out impurities in the release agent in the oil tank, so that the impurities in a pattern spray are prevented from entering the oil pipe, blocking the nozzles and affecting the performance of the nozzles, and the frequency of nozzle cleaning is reduced. The oil pump 1-13 is driven by an electric motor 1-4 to pump oil. By controlling the speed of the electric motor, the speed of the oil pump is controlled, and thereby adjusting the flow rate of the release agent. An electromagnetic switch 1 is mounted in the middle of the oil pipe outside the oil tank, so that the liquid inlet process can be cut off at any time. A flow meter displays the flow rate in the oil pipe. A tail end of the oil pipe is connected with a tail end adapter 1.
The tail end adapter 1 is connected with three branch liquid supply pipes, and the branch liquid supply pipes are connected with the nozzles through quick connectors.
As shown in an exploded view of the assembly of the electric motor and the oil pump in FIG. 4 and a partial sectional view of the assembly of the electric motor and the oil pump in FIG. 5, the electric motor 1-4 is connected to an electric motor support plate 1-5 through bolts, a left end of a connecting plate 1-10 is fixed to an electric motor housing by a bolt group 11-6, the oil pump 1-13 is fixed to a right end of the connecting plate by a bolt group 3 1-11, and an oil pump shaft and an electric motor shaft are connected sequentially by a flat key 1 1-7, a coupling 1-9 and a flat key 2 1-12. The coupling is connected by a bolt group 2 1-8.
The air supply mechanism includes an air compressor. The air compressor draws air into an air pipeline. An air filter filters out impurities and water in the air, and filters out water and impurities in the compressed air, and thereby preventing the water and impurities from entering the nozzles along with the gas. The gas pressure can be adjusted at any time according to the actual effect of the oil mist sprayed by the nozzles. The air pipeline is provided with an electromagnetic switch 2, so that the electromagnetic switch 2 can cut off the air inlet process in time. A tail end of the air pipeline is provided with a tail end adapter 2. The tail end adapter 2 is connected with three branch air supply pipes, and the branch air supply pipes are connected with the nozzles through quick connectors.
The movement speed of the belt mold is low, so the spraying time of the nozzles should not be too long, and thereby avoiding spraying too much release agent. On the other hand, in some examples, the belt mold moves in a step-by-step manner, and the spraying time of the nozzles needs to be controlled. Therefore, the electromagnetic switch 1 and the electromagnetic switch 2 can jointly control the spraying time of the nozzles.
As shown in an exploded view of a shell in FIG. 6, a front view of the shell in FIG. 7(a), a right side view of the shell in FIG. 7(b), partial enlarged views of the shell in FIG. 7(c) and FIG. 7(d), and a full sectional view of the shell in FIG. 8, the shell includes a shell top BI-1 -1, a shell sealing door 111-1-2, a door handle 111-1-3, a drainage bottom plate 111-1 -4, a curved side plate 111-1-5, a square side plate 111-1-6, a convex side plate 111-1-7, a rear shell plate 111-1-9, a support wheel group 111-2, a magnet assembly III-3 and a guide rail-slider group IV-1. The support wheel group includes a support wheel 111-2-1, a support wheel bolt group 1 111-2-2, a support wheel support frame 111-2-3 and a support wheel bolt group 2 111-2-4. In order to open or close the shell sealing door, a magnet is used for control.
The magnet assembly 11I-3 includes a magnet assembly bolt group 1 111-3-I, a right-angle support frame 111-3-2, a magnet assembly bolt group 2 BI-3-3, a magnet support frame 111-3 -4, a magnet 111-3-5 and a magnet assembly bolt group 3 111-3-6.
The curved side plate, the square side plate and the convex side plate constitute the side plates of the shell. The drainage bottom plate is arranged at the bottom of the shell, and the shell top is arranged at the top of the shell. The shell sealing door is arranged at a front side of the shell. The shell top, the side plates, the rear shell plate and the drainage bottom plate are soldered together. The shell sealing door is connected with the square side plate through a hinge. As shown in FIG. 7(c), the top side of the shell sealing door is slightly higher than the bottom side of the shell top, and the bottom side of the shell sealing door is slightly lower than the top side of the drainage bottom plate, and thereby preventing oil from flowing out of the shell along a gap. As shown in FIG. 7(d), the square side plate is provided with a guide rail-slider group locating hole, and the fixing height of the guide rail-slider can be adjusted according to the actual situation. As shown in FIG. 8, the rear shell plate BI-1 -9 is provided with two holes, and the branch liquid supply pipe and the branch air supply pipe are introduced into the shell from the holes. The guide rail-slider group 1V-1, the support wheel group 111-2 and the magnet assembly 111-3 are respectively connected to two sides of the shell by bolts.
The inside of the shell is provided with a non-stick Teflon coating, so that the release agent that is not utilized flows to the drainage bottom plate along the shell. The curved shell top allows the release agent sprayed to the shell top to flow down along the shell top. The support wheel fixed to the square side plate can support the belt mold, and thereby preventing the belt from contacting a belt hole in the square side plate, causing frictional damage. The square side plate is provided with a guide rail-slider fixing hole, which can be used to fix the guide rail-slider group and can adjust the position of the guide rail-slider, so that the nozzle support plate connected to the slider is more horizontal, and thereby increasing the accuracy of the nozzles. The whole drainage bottom plate is a slope, so that the release agent flowing to the bottom plate can flow from the left end into the right end. An oil outlet is disposed below the convex side plate, and the oil outlet is connected with 1 0 the oil pipe, so that the release agent settling in the shell can flow into the recycling box along the oil pipe.
As shown in FIG. 9(a) and FIG. 9(b), the right-angle support frame 111-3-2 is fixed to the square side plate III-1-6 through the magnet assembly bolt group 1 111-3-1, the magnet 111-3-5 is fixed to the magnet support frame 111-3-4 through the magnet assembly bolt group 3 and the magnet support frame is fixed to the right-angle support frame 111-3-2 through the magnet assembly bolt group 2 111-3-3. The magnet assembly uses magnetic force to complete the opening and closing of the shell sealing door. The shell sealing door is made of a material that can be attracted by the magnet. An antirust coating may be applied to the surface of the shell sealing door.
As shown in FIG. 10(a) and FIG. 10(b), the support wheel 111-2-1 is fixed to the support wheel support frame 111-2-3 through the support wheel bolt group 1111-2-2, and the support wheel support frame is fixed to the square side plate -6 through the support wheel bolt group 2 111-2-4. In the movement process of the belt mold, the support wheels support the belt mold to prevent the belt mold from wear due to contact with the square side plate, the support wheels are arranged on two sides below the horizontal center line of the elongated hole, and the two side plates of the shell are respectively provided with two support wheels.
As shown in FIG.1 3 to FIG. 15(c), the guide rail-slider group WA is disposed on an inner side of the shell. The guide rail-slider group IV-1 includes a guide rail. Two ends of the guide rail are supported by a guide mil support side support seat IV-1-2. The guide mil support side support seat W-1-2 is fixed to the square side plate [II-1-6 through a guide rail-slider bolt group 1 W-1-1. A nozzle support plate W-1-3 is fixed to a slider W-1-7 through a guide rail-slider bolt group 2 W-1-6, so the nozzle support plate may move with the movement of the slider on the guide mil W-1-8. When the height of the nozzles needs to be fixed, it is only necessary to fix the height of the nozzle support plate, that is, the height of the slider W-1-7. The side part of the slider is provided with a star-shaped screw handle, a rod of the star-shaped screw handle is provided with a thread that is matched with a threaded hole of the slider, and the height of the slider N-1-7 can be fixed by rotating the star-shaped screw handle W-1-5. Two ends of the guide rail are fastened to the guide rail support side support seat through guide rail-slider socket head cap screws W-1-4, the nozzle support plate is mounted between the guide rails on the two sides, and the nozzle support plate W-1-3 supports the nozzle IV-2.
As shown in FIG. 16 to FIG. 18, the nozzle W-2 includes a nozzle body, one side of the nozzle body is provided with a gas-liquid cap, and one side of the gas-liquid cap is provided with a sealing cap. A flow adjusting needle is arranged in the nozzle body. A retainer W-2-1 is connected with the sealing cap W-2-2 through threaded connection, and a gasket IV-1-9 is mounted on one side of the retainer. The sealing cap runs through the nozzle support plate, and the nozzle is fixed to the nozzle support plate under the clamping action of a gasket and a connecting ring IV-2-3. The connecting ring IV-2-3 and the gas-liquid cap W-2-4 fix the sealing cap through threaded connection, a lower end of the gas-liquid cap is connected with the nozzle body IV-2-6 through threaded connection, and the two are sealed by a sealing ring 1 N-2-5. An upper end of a rotary adjustment knob W-2-8 is connected with the nozzle body through threaded connection. The flow adjusting needle W-2-7 is connected with an inner hole of the rotary adjustment knob through threaded connection. An adjusting needle fixing ring IV-2-10 is connected with a lower end of the rotary adjustment knob through threaded connection. A sealing ring 2 W-2-9 is arranged between the fixing ring and the rotary adjustment knob, and thereby preventing oil from flowing out of the pores in the rotary adjustment knob; an adjusting needle rotating cap W-2-11 is connected with the adjusting needle through threaded connection, and used for screwing the adjusting needle into the nozzle body. The gas enters from the left side of the through hole of the nozzle body, and enters the gas-liquid cap via the through hole in the nozzle body. The liquid enters from the right side of the through hole of the nozzle body, enters a mixing cavity between the sealing cap and the gas-liquid cap sequentially via the through hole and a channel in the gas-liquid cap, and is mixed with the gas, so that the liquid is atomized and sprayed out from the nozzle. The rotary adjustment knob can control the gap between the flow adjusting needle and the gas-liquid cap, and thereby controlling the flow rate entering the mixing cavity.
As shown in FIG. 11: b =3c where b is the length of the belt mold; c is the distance between the adjacent nozzles; d = 2htan -e where d is the spraying diameter when the spraying height is h; h is the height of the nozzle from the belt mold; 0 is the atomization angle As shown in FIG. 12: 2R -c I 2-c2 s=ir 2 V 4 scircle = 7-1-R 2 S2 =3S circle-2Si 53 = ab where S is the ellipse area; S2 is the nozzle atomization area; 53 is the belt mold
S
area; "tie is the single nozzle atomization area; R is the radius of the single nozzle atomization area; a is the width of the belt mold.
FIG. 11 and FIG. 12 show schematic diagrams of distribution positions of the nozzles, and the relationship between the atomization parameters and the atomization effect of the nozzles is given by calculation. The overlapping parts of the adjacent nozzles are ellipses as shown in FIG. 12. To ensure that the nozzle atomization area can completely cover the belt
C
mold, R> --d should be satisfied. V4 As shown in FIG. 19 to FIG. 21(b), the oil mist collecting mechanism includes an oil mist collecting box V-5. The oil mist collecting box V-5 is provided with a first layer filter plate V-1, a second cotton filter (washed cotton filter) and an air deflector V-4 sequentially from the side of the inlet side, and the first layer filter plate V-1 is embedded in a groove at the front end of the filter plate in the oil mist collecting box. The washed cotton filter is clamped by a cotton filter clip V-3 and put into a filter screen case V-2, and then put into the groove of the oil mist collecting box. The air deflector V-4 is embedded in a groove at the rear end of the filter screen case in the oil mist collecting box. The air deflector V-4 divides the box body into two spaces. The space at the front collects oil filtered by the rust layer filter plate V-1 and the washed cotton filter, and the oil flows out of the oil mist collecting box via a first oil dripping port. The space at the rear collects oil filtered by a high-efficiency filter cartridge V-11, and the oil flows out of the oil mist collecting box via a second oil dripping port. A motor support plate is welded in the oil mist collecting box. A motor cover V-13 and a motor V-9 are connected to the motor support plate by bolts. The motor cover prevents oil from entering the motor. A motor shaft end is provided with an impeller, a right end of the box body is connected with a connecting pipe V-10, and the connecting pipe is connected with the high-efficiency filter cartridge V-11. A rear side box cover and a front side box cover of the collecting box are connected through a box cover connecting hinge V-6, and the front side box cover may be locked to the box body through buckles. As shown in FIG. 22 (a) and FIG. 22 (b), the middle of the first layer filter plate is tapered toward the inlet side of the oil mist collecting box V-5, and the first layer filter plate is provided with a plurality of rows of filter pores along the direction of the generatrix. As shown in FIG. 23(a) and FIG. 23(b), the cotton filter clip V-3 is in a door shape, and the two cotton filter clips can be buckled together. The surface of the filter screen case V-2 is hollowed out, and the inside is provided with an accommodating space (provided with an opening at the side part) for accommodating the cotton filter clips and the washed cotton filter. The accommodating space of the filter screen case is sequentially provided with the cotton filter clip, the washed cotton filter and the cotton filter clip. The cotton filter clips mount the washed cotton filter inside the filter screen case in the form of squeezing. As shown in FIG. 24(a) and FIG. 24(b), the air deflector V-4 forms a hollow convex hole toward the direction of the impeller V-8, and the air deflector, the cotton filter clips and the upper side of the first layer filter plate are matched with the box cover of the oil mist collecting box to form a sealed space.
It should be noted that the high-efficiency filter cartridge is an annular filter cartridge. An inner wall of the annular filter cartridge is annularly provided with a HEPA filter screen or other filters to filter out micron particles. The bottom of the annular filter cartridge communicates with the oil mist collecting box through the connecting pipe V-10. The oil settles again after being filtered by the filter screen in the high-efficiency filter cartridge and flows out through the second oil dripping port.
The principle of the oil mist collecting mechanism is similar to that of a gas collecting hood: Q=vAll where Q is the exhaust volume; 1/0 is the average suction speed of the operating port; A0 is the area of the suction port; ft is the safety factor, generally not less than 1.05-1.1. v=2
where V is the volume of the shell; t is the time required for each change of the gas in the shell.
AP = e) 922 where AP is the pressure loss; e is the pressure loss coefficient; p is the gas density.
As shown in FIG. 26 to FIG. 27(b), the release agent collecting box includes a collecting box cover handle VI-1-1, a collecting box cover VI-1-2, a filter screen handle VI-1-3, a concave filter screen VI-1-4, a cotton filter support plate VI-1-5, a collecting box body VI-1-6, a first cotton filter VI-1-7, cotton filter support rollers VI-2, a cotton filter supply roller VI-3 and a cotton filter collecting roller VI-4. A concave filter screen support boss is arranged in the recycling box, and the concave filter screen can be directly placed on the boss. A cotton filter support boss is welded in the recycling box, and rubber strips are stuck to the cotton filter support boss. The first cotton filter passes through the gap between the two rubber strips. Under the action of the friction force of the rubber strips, the first cotton filter has good smoothness in the process of working or moving. The cotton filter supply roller VI-3 is mounted on a right side of the recycling box. The structure of the cotton filter supply roller is shown in FIG. 28(a) and FIG. 28(b). A deep groove ball bearing 1 VI-3-4 is arranged in a supply roller shaft, and two sides of the deep groove ball bearing 1 are respectively fixed by a shaft shoulder and a bearing end cover VI-3-2. An inner ring of the bearing end cover is provided with sealing felt. A supply roller outer ring VI-3-5 is connected with the bearing end cover VI-3-2 through bolts. The supply roller shaft end is provided with a thread, and fixed to a rib through a nut and a gasket. The rib is fixed to the recycling box through a bolt. During working, the supply roller outer ring is wound by the first cotton filter round and round. Under the rotation of the cotton filter collecting roller on the left side, an outer ring of the cotton filter supply roller rotates to supply the first cotton filter for the recycling process. The structure and the mounting manner of the cotton filter support roller VI-2 are the same as those of the cotton filter supply roller. The cotton filter support rollers VI-2 are arranged on two sides of the recycling box, and are set higher than the cotton filter supply roller. Since the cotton filter support rollers do not need to bear too much load and the space is limited, the rib of the cotton filter support roller can be welded to the recycling box.
The first cotton filter and the second cotton filter are common cotton filters, and the second cotton filter is a washed cotton filter.
As shown in FIG. 29 and FIG. 30, a cotton filter collecting roller shaft VI-4-4 is fixed to a bearing seat VI-4-7, the bearing seat VI-4-7 is fixed to a support rib VI-4-2 through a support rib bolt group 2 VI-4-8, and the support rib is fixed to the recycling box body 5 through a support rib bolt group 1 VI-4-3. The size of the two ends of the cotton filter collecting roller shaft is less than that of the middle. A spring VI-4-5 and a clamping bar fixing ring sleeve the cotton filter collecting roller shaft. One side of the clamping bar also sleeves the cotton filter collecting roller shaft, and the side of the clamping bar is arranged between the spring and the clamping bar fixing ring. One end of the spring VI-4-5 and the 10 clamping bar fixing ring V1-4-9 fix one side of the clamping bar V1-4-6, and the other end of the spring abuts against the middle of the cotton filter collecting roller shaft. The longitudinal section of the clamping bar is L-shaped, and a distance is set between the long side of the clamping bar and the cotton filter collecting roller shaft. In this way, the cotton filter is clamped by the two, which facilitates collection of the used cotton filter. The rotating handle VI-4-1 is connected with the left end of the cotton filter collecting roller shaft through threaded connection, and the cotton filter collecting roller shaft can be rotated by rotating the handle. Under the clamping action of the clamping bar, the collection of the cotton filter is further completed.
The foregoing descriptions are merely preferred embodiments of the present invention, but are not intended to limit the present invention. A person skilled in the art may make various alterations and variations to the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention shall fall within the protection scope of the present invention.

Claims (10)

  1. CLAIMSWhat is claimed is: 1. A release agent spraying device used in an SG abrasive grain production process, comprising: a shell, wherein two sides of the shell are provided with openings for a belt mold to run through, at least one nozzle for spraying an atomized release agent to the belt mold is mounted in the shell, the shell is connected with an oil mist collecting mechanism, the oil mist collecting mechanism comprises a suction component arranged in an oil mist collecting box body, and one side of the suction component in the oil mist collecting box body is provided with a filter layer.
  2. 2. The release agent spraying device used in an SG abrasive grain production process according to claim 1, wherein a bottom of the shell is connected with a release agent collecting box, the release agent collecting box is connected with the oil mist collecting mechanism, the release agent collecting box comprises a recycling box, a first cotton filter is arranged in the recycling box, the first cotton filter is capable of moving relative to the recycling box, and the recycling box is provided with a first cotton filter moving port; and a concave filter screen is mounted above the first cotton filter in the recycling box to filter out impurities in the release agent.
  3. 3. The release agent spraying device used in an SG abrasive grain production process according to claim 2, wherein the recycling box is provided with cotton filter support rollers at the first cotton filter moving port, one side of the recycling box is provided with a cotton filter supply roller at a side part of the cotton filter support roller to supply the first cotton filter into the recycling box; and the other side of the recycling box relative to the cotton filter supply roller is further provided with a cotton filter collecting roller for recycling the first cotton filter.
  4. 4. The release agent spraying device used in an SG abrasive grain production process according to claim 1, wherein a lifting mechanism is mounted in the shell, and the nozzles are connected with the lifting mechanism; and a distance between every adjacent two of the nozzles is adjustable.
  5. 5. The release agent spraying device used in an SG abrasive grain production process according to claim 1, wherein the nozzle comprises a nozzle body, a through hole is arranged in the nozzle body, one side of the through hole communicates with an air supply mechanism, the other side communicates with a liquid supply mechanism, a flow adjusting needle is mounted in the nozzle body through the through hole, one end of the through hole of the nozzle body is connected with one end of a gas-liquid cap, the other end of the gas-liquid cap is provided with a sealing cap, a mixing cavity is formed between the sealing cap and the gas-liquid cap, and the sealing cap and the gas-liquid cap are both internally provided with channels capable of communicating with the through hole.
  6. 6. The release agent spraying device used in an SG abrasive grain production process according to claim 1, wherein an arrangement height of the openings of the shell is greater than an arrangement height of the nozzle, the openings are arranged along a width direction of the shell, the shell is provided with an openable shell sealing door, and the shell sealing door is lockable.
  7. 7. The release agent spraying device used in an SG abrasive grain production process according to claim 1, wherein a side part of the shell is provided with a support roller for supporting the belt mold to move below the center of the openings; and a bottom of the shell is provided with a drainage bottom plate, and one side of the drainage bottom plate is set lower than the other side.
  8. 8. The release agent spraying device used in an SG abrasive grain production process according to claim 1, wherein an air deflector is arranged on one side of the suction component in the oil mist collecting mechanism, the air deflector is provided with an air opening, the filter layer is arranged on the other side of the air deflector relative to the suction component, the filter layer comprises a first layer filter plate and a second cotton filter sequentially arranged from an inlet of the oil mist collecting box to the air deflector, the second cotton filter is fixed to a filter screen case by a cotton filter clip, and the oil mist collecting box is provided with a first oil dripping port below the filter layer.
  9. 9. The release agent spraying device used in an SG abrasive grain production process according to claim 1, wherein one side of the oil mist collecting box is further provided with a filter cartridge communicating with the oil mist collecting box, and a bottom of the suction component is provided with a second oil dripping port.
  10. 10. The release agent spraying device used in an SG abrasive grain production process according to claim 4, wherein the lifting mechanism is two sets of guide rail-slider mechanisms arranged on an inner side of the shell, sliders in the two sets of guide rail-slider mechanisms are connected through a nozzle mounting plate, the nozzles are mounted on the nozzle mounting plate, and the nozzle mounting plate is provided with a plurality of mounting holes or an elongated hole to realize the adjustment of the distance between the adjacent two nozzles.
GB2104364.1A 2019-08-26 2019-10-29 Release agent spraying device used in SG abrasive grain production process Expired - Fee Related GB2592139B (en)

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CN201910791202.5A CN110508438A (en) 2019-08-26 2019-08-26 A release agent spouts and covers device for in SG grit production process
PCT/CN2019/114088 WO2021035928A1 (en) 2019-08-26 2019-10-29 Release agent spray coating device for sg abrasive particle production process

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CN114798273A (en) * 2022-03-16 2022-07-29 浙江建设职业技术学院 Wall body spary integrative device and system of environmental protection
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CN115155908B (en) * 2022-06-21 2024-01-30 中电环宇（北京）建设工程有限公司 Steel structure surface spraying device and method

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GB202104364D0 (en) 2021-05-12

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