CN209854038U - Exempt from to bind metal powder coating production line - Google Patents
Exempt from to bind metal powder coating production line Download PDFInfo
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- CN209854038U CN209854038U CN201920405337.9U CN201920405337U CN209854038U CN 209854038 U CN209854038 U CN 209854038U CN 201920405337 U CN201920405337 U CN 201920405337U CN 209854038 U CN209854038 U CN 209854038U
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Abstract
The utility model discloses a exempt from bonding metal powder coating production line, including powder coating base powder extrusion device, metallic pigment adds the device, the film clamp, sheet stock conveyor, sheet stock breaker and air classification miropowder breaker, metallic pigment adds the device discharge end and communicates with powder coating base powder extrusion device discharge end, metallic powder coating base powder discharge end and film clamp feed end intercommunication, the film clamp discharge end and sheet stock conveyor feed end intercommunication, sheet stock conveyor discharge end and sheet stock breaker feed end intercommunication, sheet stock breaker discharge end and air classification miropowder breaker feed end intercommunication; compared with the prior art, the utility model discloses extrude powder coating bottom powder melting, rely on the temperature of extruding the material to make metallic pigment rather than bonding and make the sheet stock, then will bond the direct crocus of the powder sheet stock that has metallic pigment and obtain finished product metallic powder coating, metallic pigment bonds with the powder firmly, and the yield is high, stable in quality.
Description
Technical Field
The utility model relates to a metal powder coating production technical field specifically, relates to an exempt from bonding metal powder coating production line.
Background
The existing bonding technology of metal powder coating comprises a dry mixing method and a heat treatment method; when the metal powder coating is prepared, firstly, powder coating base powder is prepared, then the powder coating base powder is added into a high-speed mixer with a temperature control jacket to run at a high speed, friction is generated between a stirring paddle and a mixed material due to different moving speeds of the stirring paddle and the mixed material, the temperature of a base material mixture is raised due to heat generated by friction, and under the protection of nitrogen, the metal pigment is rapidly added into the powder coating base powder mixed at the high speed, so that the metal pigment is bonded on the surfaces of softened powder coating base powder particles; after the metal pigment is combined with the powder coating base powder, quickly discharging and cooling; the existing bonding technology relies on mechanical stirring for heating, the requirements on bonding temperature and bonding time are strict during production, the bonding temperature is insufficient, and the bonding effect of the metal pigment and the powder base powder is poor; the bonding mixing time is not enough, and the metal pigment and the powder base powder are not fully mixed and bonded; in addition, a high-speed friction heat generation process is adopted, so that the metal pigment is easily damaged, and the coating with high flashing effect is difficult to produce; the shearing force generated by the stirring paddle running at high speed has destructive effect on the metal pigment with thicker grain diameter (more than 15 mu m), so that the addition amount of the metal pigment is increased; and the process is difficult to control in the production, which can cause powder agglomeration or generate gelatinized particles, and large quality difference exists between production batches.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problem that the metal powder coating process of the existing bonding process production is not easy to control, the product quality is unstable, a bonding-free metal powder coating production line is provided, including the powder coating bottom powder extrusion device, the metal pigment adding device, the sheeting device, the sheet material conveying device, sheet material crushing device and air classification micro powder crushing device, the discharge end of the metal pigment adding device is communicated with the discharge end of the powder coating bottom powder extrusion device, the discharge end of the metal powder coating bottom powder is communicated with the feed end of the sheeting device, the discharge end of the sheeting device is communicated with the feed end of the sheet material conveying device, the discharge end of the sheet material conveying device is communicated with the feed end of the sheet material crushing device, the discharge end of the sheet material crushing device is communicated with the feed end of the air classification micro powder crushing device, the extruded material of the powder coating bottom powder extrusion device is conveyed to the sheeting device, before the materials enter a tabletting device for tabletting, adding the metal pigment to the materials extruded by the powder coating base powder extruding device by the metal pigment adding device, and pressing the materials adhered with the metal pigment into flakes by the tabletting device; the sheet stock gets into sheet stock conveyor by the discharge end of film clamp, and sheet stock conveyor carries the sheet stock breaker with the sheet stock, and the sheet stock breaker is broken with the sheet stock, and the sheet stock of breaking at the sheet stock breaker gets into air classification miropowder breaker by the discharge end of sheet stock breaker, and air classification miropowder breaker is with broken sheet stock crocus.
According to the utility model discloses an embodiment, powder coating base powder extrusion device includes feed hopper and extruder, and the unloading end of feed hopper and the feed end intercommunication of extruder, the discharge end and the press device intercommunication of extruder, metallic pigment add the discharge end of device and the discharge end intercommunication of extruder.
According to the utility model discloses an embodiment, metallic pigment adds the device and includes that metallic pigment hopper and metallic pigment add the piece, and metallic pigment adds the discharge end intercommunication of piece and metallic pigment hopper, and metallic pigment adds the discharge end of piece and the discharge end intercommunication of powder coating base powder extrusion device, and metallic pigment adds the piece metallic pigment that falls metallic pigment hopper at the uniform velocity on the material of extruding to powder coating base powder extrusion device discharge end.
According to the utility model discloses an embodiment, film clamp is two at least cooling roller, and adjacent cooling roller parallel arrangement and interval are adjustable, and film clamp carries sheet stock conveyor with the material that powder coating bottom powder extrusion device extruded.
According to the utility model discloses an embodiment, sheet stock conveyor includes conveyor assembly and cold wind device, and conveyor assembly's feed end and film clamp's discharge end intercommunication, conveyor assembly carry the sheet stock breaker with the sheet stock, and the cold wind device is cooled down the sheet stock at the process that conveyor assembly carried the sheet stock.
According to the utility model discloses an embodiment, air classification miropowder breaker's feed end and sheet stock breaker's discharge end intercommunication, air classification miropowder breaker are equipped with finished product metal powder coating bin outlet, middlings bin outlet and superfine powder bin outlet, and air classification miropowder breaker will be separated by the material crocus that sheet stock breaker got into, makes superfine powder discharge through the superfine powder bin outlet, and the finished product is discharged by finished product metal powder coating bin outlet, and the middlings is discharged by the middlings bin outlet.
According to an embodiment of the utility model, the air classification micro powder crushing device comprises a flour mill, a cyclone, a rotary screen and an ultra-fine powder collecting box, wherein the feed end of the flour mill is provided with a sheet material funnel, the sheet material funnel is communicated with the discharge end of the sheet material crushing device, the discharge end of the sheet material funnel is communicated with the feed end of the flour mill, the sheet material enters the sheet material funnel from the discharge end of the crushing device and enters the flour mill from the sheet material funnel, the feed end of the cyclone is communicated with the discharge end of the flour mill, two discharge ends of the cyclone are respectively communicated with the rotary screen and the ultra-fine powder collecting box, the rotary screen is provided with a finished product metal powder discharge port and a coarse powder discharge port, the ultra-fine powder collecting box is provided with an ultra-fine powder discharge port, the metal powder paint enters the cyclone from the discharge end of the flour mill, the cyclone separates the metal paint powder, and the ultra, and the rest metal coating powder enters the rotary screen, the rotary screen separates the metal coating powder again, the metal powder coating finished product is discharged from a finished product metal powder coating discharge port, and the coarse powder is discharged from a coarse powder discharge port.
According to the utility model discloses an embodiment is equipped with the nitrogen gas blow vent on the milling machine, and nitrogen gas gets into the milling machine by the nitrogen gas blow vent.
According to the utility model discloses an embodiment, the superfine powder collecting box is the superfine powder collecting box of filter pocket formula, and the superfine powder collecting box is equipped with filter bag, pulse dust collector, fan, muffler and relief valve, and in the superfine powder collecting box was located to the filter bag, the pulse dust collector located the superfine powder collecting box and was located the filter bag top, the net gas outlet wind channel and the pulse dust collector intercommunication of fan, air outlet and external intercommunication, the one end that the air-out passageway was equipped with the air outlet is located to the muffler, the superfine powder collecting box is located to the relief valve.
According to the utility model discloses an embodiment, exempt from to bind metal powder coating production line and still include the dust arrester, the dust entry of dust arrester is located the discharge end that metallic pigment added the device and the discharge end top of powder coating prime powder extrusion device.
Compared with the prior art, the utility model discloses a exempt from bonding metal powder coating production line has following advantage:
1. the utility model discloses a exempt from bonding metal powder coating production line extrudes the melting of powder coating base powder, relies on the temperature of extruding the material to make metallic pigment rather than bonding and make the sheet stock, then will bond the direct crocus of powder sheet stock that has metallic pigment and can obtain finished product metal powder coating, save bonding process, and technology easy operation, production technology is controllable, and the yield is high, stable in quality, and the production energy consumption is low.
2. The utility model discloses a exempt from to bind metal powder coating production line, the temperature that is extruded when relying on the powder coating base powder melting makes metal powder coating and powder coating base powder bond, and the temperature is controllable, and metallic pigment bonds effectually with the powder base powder, can not produce the particle that gels because of the high temperature, also can not cross low messenger metallic pigment and the bonding insecure of powder coating base powder because of the temperature.
3. The utility model discloses a exempt from bonding metal powder coating production line, metal powder coating and powder coating end bonding back carry out the crocus again, can not destroy metallic pigment ion because of the shearing force of the high-speed rotatory production of stirring rake during bonding, also can not cause the powder caking inadequately because of stirring rake rotation rate, product quality is stable.
Drawings
FIG. 1 is a schematic structural view of a bonding-free metal powder coating production line of the present invention;
in the figure: 1. powder coating base powder extrusion device, 11 feeding hopper, 12 extruder, 2 metal pigment adding device, 21 metal pigment hopper, 22 metal pigment adding piece, 3 tabletting device, 4 sheet material conveying device, 41 conveying belt assembly, 42 air cooling device, 5 sheet material crushing device, 6 air grading micro powder crushing device, 61 grinding machine, 611 sheet material hopper, 612 nitrogen vent, 62 cyclone separator, 63 rotary screen, 631 finished metal powder coating material discharging port, 632 coarse powder discharging port, 64 ultra fine powder collecting box, 641 filter bag, 642 pulse dust collector, 643 blower, 6431 air purifying outlet duct, 6432 air outlet, 644 muffler, 645 discharge outlet, decompression valve 646 dust collector, 643 dust collector
The utility model discloses realization and the advantage of function will combine the embodiment, will make further explanation with the attached drawing.
Detailed Description
In the following description, numerous implementation details are set forth in order to provide a more thorough understanding of the present invention. It should be understood, however, that these implementation details should not be used to limit the invention. That is, in some embodiments of the invention, details of these implementations are not necessary. In addition, some conventional structures and components are shown in simplified schematic form in the drawings.
It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, the descriptions related to "first", "second", etc. in the present invention are only for description purposes, not specifically referring to the order or sequence, and are not intended to limit the present invention, but only to distinguish the components or operations described in the same technical terms, and are not to be construed as indicating or implying any relative importance or implicit indication of the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
For further understanding of the contents, features and effects of the present invention, the following embodiments are exemplified in conjunction with the accompanying drawings as follows:
referring to fig. 1, fig. 1 is a schematic diagram of a bonding-free metal powder coating production line according to the present invention. As shown in the figure, bonding-free metal powder coating production line comprises a powder coating bottom powder extrusion device 1, a metal pigment adding device 2, a tabletting device 3, a sheet material conveying device 4, a sheet material crushing device 5, an air grading micro powder crushing device 6, a powder coating bottom powder extrusion device 1 and a metal pigment adding device 2 which are provided with discharge ends, wherein the tabletting device 3, the sheet material conveying device 4 and the sheet material crushing device 5 are respectively provided with a feed end and a discharge end, and the air grading micro powder crushing device 6 is provided with a feed end. The discharge end of the metal pigment adding device 2 is communicated with the discharge end of the powder coating bottom powder extruding device 1, the discharge end of the powder coating bottom powder extruding device 1 is communicated with the feed end of the tabletting device 3, the discharge end of the tabletting device 3 is communicated with the feed end of the sheet material conveying device 4, the discharge end of the sheet material conveying device 4 is communicated with the feed end of the sheet material crushing device 5, and the discharge end of the sheet material crushing device 5 is communicated with the feed end of the air grading micro powder crushing device 6.
The powder coating bottom powder extrusion device 1 is used for melting and extruding powder coating bottom powder, the metal pigment adding device 2 is used for adding metal pigment to the material before the material extruded by the powder coating bottom powder extrusion device 1 is tabletted, the tabletting device 3 is used for tabletting the material added with the metal pigment, the conveying device 4 is used for conveying the sheet material pressed by the tabletting device 3 to the sheet material crushing device 5, the sheet material crushing device 5 is used for crushing the sheet material, and the air grading micro powder crushing device 6 is used for grinding the sheet material crushed by the sheet material crushing device 5 and distributing the metal coating powder according to the thickness degree. Specifically, mixed powder coating base powder raw materials are loaded into an extrusion device 1, the raw materials are mixed and melted through the extrusion device 1, the melted powder coating base powder is extruded from the discharge end of the extrusion device 1, the extruded materials are conveyed to a tabletting device 3 through the extrusion device 1, before the extruded materials are tabletted by the tabletting device 3, a metal pigment is added to the materials extruded by the powder coating base powder extrusion device 1 through a metal pigment adding device 2, then the materials adhered with the metal powder are tabletted through the tabletting device 3, the materials adhered with the metal pigment are pressed into sheet materials through the tabletting device 3 and conveyed to a sheet material conveying device 4, the sheet materials are conveyed to a sheet material crushing device 5 through the sheet material conveying device 4 to be crushed, and the sheet materials are crushed through the sheet material crushing device 5; the crushed sheet materials in the sheet material crushing device 5 enter the air classification micro powder crushing device 6 from the discharge end of the sheet material crushing device 5, and the air classification micro powder crushing device 6 grinds the crushed sheet materials and divides the materials according to the thickness degree.
Referring back to fig. 1, the powder coating base powder extrusion device 1 includes a feeding hopper 11 and an extruder 12, wherein a feeding port of the extruder 12 is communicated with a discharging end of the feeding hopper 11. The feeding hopper 11 is used for placing powder coating base powder and uniformly feeding the powder coating base powder to the extruder 12; the extruder 12 melts and extrudes the powder coating base powder delivered from the feed hopper 11.
Referring back to fig. 1, the metallic pigment adding device 2 includes a metallic pigment hopper 21 and a metallic pigment adding member 22, the metallic pigment adding member 22 is communicated with a discharging end of the metallic pigment hopper 21, and a discharging end of the metallic pigment adding member 22 is communicated with a discharging end of the powder coating base powder extruding device 1; the metal pigment hopper 21 uniformly feeds the metal pigment adding part 22, and the metal pigment of the metal pigment adding part 22 is uniformly conveyed to the material extruded from the discharge end of the powder coating base powder extrusion device 1.
Referring back to fig. 1, the sheeting device 3 is at least two cooling rollers, adjacent cooling rollers are arranged in parallel and have adjustable spacing, the two cooling rollers convey the material which is extruded by the powder coating base powder extruding device 1 and is adhered with the metal pigment to the sheet material conveying device 4, the material which is extruded by the powder coating base powder extruding device 1 and is adhered with the metal pigment enters between the two adjacent cooling rollers from the discharge end of the powder coating base powder extruding device 1 and is extruded into sheet materials under the rolling of the cooling rollers, and the thickness of the material extruded by the powder coating base powder extruding device 1 can be adjusted according to the ratio of the metal pigment in the metal powder coating, so that the spacing between the two cooling rollers is adjusted.
Referring back to fig. 1, the sheet material conveying device 4 includes a conveying belt assembly 41 and a cold air device 42, the conveying belt assembly 41 includes a cooling steel belt and a driving member, the driving member is a driving motor, the driving motor drives the cooling steel belt to rotate, a feeding end of the cooling steel belt is communicated with a discharging end of the sheet pressing device 3, the conveying belt assembly 41 conveys the sheet material to the sheet material crushing device 5, and the cold air device 42 cools the sheet material in the process of conveying the sheet material by the conveying belt assembly 41.
Referring back to fig. 1, the air classifying and micro-powder crushing device 6 is communicated with the discharge end of the sheet material crushing device 5, the air classifying and micro-powder crushing device 6 is provided with a finished metal powder coating material discharge port 631, a coarse powder discharge port 632 and an ultra-fine powder discharge port 645, the air classifying and micro-powder crushing device 6 grinds and separates the material entering from the sheet material crushing device 5, the ultra-fine powder is discharged through the ultra-fine powder discharge port 645, the finished product is discharged from the finished metal powder coating material discharge port 631, and the coarse powder is discharged from the coarse powder discharge port 632.
In another embodiment, the air classification micropowder crushing device 6 comprises a flour mill 61, a cyclone 62, a rotary screen 63 and an micropowder collecting box 64, wherein a sheet material funnel 611 is arranged at the feed end of the flour mill 61, the sheet material funnel 611 is communicated with the discharge end of the sheet material crushing device 5, the discharge end of the sheet material funnel 611 is communicated with the feed end of the flour mill 61, sheet materials enter the sheet material funnel 611 from the discharge end of the crushing device 5 and enter the flour mill 61 from the sheet material funnel 611, the feed end of the cyclone 62 is communicated with the discharge end of the flour mill 61, two discharge ends of the cyclone 61 are respectively communicated with the rotary screen 63 and the micropowder collecting box 64, the rotary screen 63 is provided with a finished metal powder coating material discharge port 631 and a coarse powder discharge port 632, the micropowder collecting box 64 is provided with an micropowder discharge port 645, the sheet materials after the metal powder coating is crushed enter the cyclone 62 after being ground by the flour mill 61, the cyclone separator 62 separates the metal coating powder, the ultra-fine powder enters the ultra-fine powder collection box 64, the rest of the metal coating powder enters the rotary screen 63, the rotary screen 63 separates the metal coating powder again, the metal powder coating finished product is discharged from the finished product metal powder coating discharge port 631, and the coarse powder is discharged from the coarse powder discharge port 632.
Be equipped with nitrogen gas vent 612 on milling machine 61, nitrogen gas gets into milling machine 61 from nitrogen gas vent 612, and nitrogen gas can reduce the oxygen content in air miropowder breaker 6, avoids metal powder coating to explode at the crocus in-process.
According to the utility model discloses an embodiment, superfine powder collecting box 64 is the superfine powder collecting box 64 of filter pocket formula, superfine powder collecting box 64 is equipped with filter bag 641, pulse dust collector 642, fan 643, muffler 644 and relief valve 646, filter bag 641 is located in superfine powder collecting box 64, pulse dust collector 642 is located superfine powder collecting box 64 and is located the filter bag 641 top, the net gas outlet wind channel 6431 and the pulse dust collector 642 intercommunication of fan 643, air outlet 6432 and external intercommunication, muffler 644 is located the one end that the air-out passageway is equipped with air outlet 6432, superfine powder collecting box 64 is located to relief valve 646 for the atmospheric pressure in the balanced superfine powder collecting box.
In another embodiment, the bonding-free metal powder coating production line further comprises a dust collector 7, a dust inlet of the dust collector 7 is positioned above the discharge end of the powder coating base powder extrusion device 1 and the discharge end of the metal pigment adding device 2, when the metal pigment adding device 2 adds the metal pigment to the material extruded by the powder coating base powder extrusion device 1, part of the metal pigment is not bonded with the powder coating sheet materials, floats in the air, part of the metal pigment is not firmly bonded with the powder coating base powder and floats on the metal powder coating base powder, and the dust collector 7 collects the redundant metal pigment to be reused.
The powder coating base powder extrusion device 1 is used for melting and extruding the powder coating base powder, the extruded material of the powder coating base powder extrusion device 1 has high temperature, the metal pigment output by the metal pigment adding device 2 is uniformly adhered to the material by utilizing the temperature of the extruded material of the powder coating base powder extrusion device 1 before the extruded material enters the tabletting device 3, meanwhile, the dust collector 7 is used for collecting redundant metal pigment, the material powder coating base powder extrusion device 1 enters the tabletting device 3, and the tabletting device 3 is used for preparing the material into metal coating sheet material and feeding the metal coating sheet material to the sheet material conveying device 4; the sheet material conveying device 4 conveys the sheet materials to the sheet material crushing device 5, the sheet material crushing device 5 crushes the metal coating sheet materials and then conveys the crushed metal coating sheet materials to the air grading micropowder crushing device 6 for grinding and separation, the ultrafine powder is collected by the ultrafine powder collecting box 64, the qualified metal powder coating is discharged from the finished metal powder coating discharging port 631, and the coarse material is discharged from the coarse powder discharging port 822; when the dust in the ultra-fine powder collection box 64 is cleaned, the clean air outlet air duct 6431 of the ultra-fine powder collection box 64 is cut off, so that the filter bag 641 of the ultra-fine powder collection box 64 is in an airless state, then the pulse dust collector 642 is started to perform pulse dust blowing by using compressed air, so that the ultra-fine powder is stripped from the filter bag 641 and deposited to the collection hopper at the bottom of the ultra-fine powder collection box 64, the purified air enters the ultra-fine powder collection box 64 through the opening of the filter bag 641 and is discharged from the air outlet 6432 of the clean air outlet air duct 6431 under the action of the fan 643, and in the discharging process, the silencer 644 silences the discharged air, so that the noise can be reduced.
The bonding-free metal powder coating production line extrudes the powder coating base powder in a melting way, the metal pigment is bonded with the extrusion material by means of the temperature of the extrusion material, the metal powder coating is bonded with the powder coating base powder by means of the temperature extruded when the powder coating base powder is melted, the temperature is controllable, the bonding effect of the metal pigment and the powder base powder is good, gelled particles cannot be generated due to overhigh temperature, and the bonding of the metal pigment and the powder coating base powder is not firm due to overlow temperature; then, preparing the extrudate adhered with the metal pigment into sheet materials, and directly grinding the powder sheet materials adhered with the metal pigment into powder to obtain a finished product of metal powder coating; after the metal powder coating is bonded with the powder coating bottom, the metal powder coating is ground, so that metal pigment ions cannot be damaged by shearing force generated by high-speed rotation of a stirring paddle during bonding, powder agglomeration cannot be caused due to insufficient rotation speed of the stirring paddle, and the product quality is stable; meanwhile, the bonding process is omitted, the process operation is simple, the production flow is rapid, the metal pigment and the powder are firmly bonded, the yield is high, the quality is stable, and the production energy consumption is low.
The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modification, equivalent replacement or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A bonding-free metal powder coating production line is characterized by comprising a powder coating bottom powder extrusion device, a metal pigment adding device, a tabletting device, a sheet material conveying device, a sheet material crushing device and an air grading micro powder crushing device, wherein the discharge end of the metal pigment adding device is communicated with the discharge end of the powder coating bottom powder extrusion device; the powder coating base powder extrusion device conveys extruded materials to the tabletting device, the metal pigment adding device adds metal pigments to the materials extruded by the powder coating base powder extrusion device before the materials enter the tabletting device for tabletting, and the tabletting device presses the materials bonded with the metal pigments into tablets; the sheet stock enters the sheet stock conveying device from the discharge end of the sheet stock crushing device, the sheet stock conveying device conveys the sheet stock to the sheet stock crushing device, the sheet stock crushing device crushes the sheet stock, the sheet stock crushed by the sheet stock crushing device enters the air grading micro powder crushing device from the discharge end of the sheet stock crushing device, and the air grading micro powder crushing device grinds and divides the crushed sheet stock into powder.
2. The bonding-free metal powder coating production line of claim 1, wherein the powder coating base powder extrusion device comprises a feed hopper and an extruder, a discharge end of the feed hopper is communicated with a feed end of the extruder, a discharge end of the extruder is communicated with a pressing device, and a discharge end of the metal pigment adding device is communicated with a discharge end of the extruder.
3. The bonding-free metal powder coating production line of claim 1, wherein the metal pigment adding device comprises a metal pigment hopper and a metal pigment adding piece, the metal pigment adding piece is communicated with a discharge end of the metal pigment hopper, a discharge end of the metal pigment adding piece is communicated with a discharge end of the powder coating base powder extrusion device, and the metal pigment adding piece conveys metal pigment falling from the metal pigment hopper to a material extruded from the discharge end of the powder coating base powder extrusion device at a constant speed.
4. The bonding-free metal powder coating production line of claim 1, further comprising a dust collector having a dust inlet located above the discharge end of the metallic pigment addition device and the discharge end of the powder coating base powder extrusion device.
5. The bonding-free metal powder coating production line of claim 1, wherein the sheeting device is at least two cooling rollers, adjacent cooling rollers are arranged in parallel and have adjustable spacing, and the sheeting device conveys the material extruded by the powder coating base powder extrusion device to the sheet material conveying device.
6. The bonding-free metal powder coating production line of claim 1, wherein the sheet material conveying device comprises a conveyor belt assembly and a cold air device, a feeding end of the conveyor belt assembly is communicated with a discharging end of the tabletting device, the conveyor belt assembly conveys the sheet material to the sheet material crushing device, and the cold air device cools the sheet material during conveying of the sheet material by the conveyor belt assembly.
7. The bonding-free metal powder coating production line of claim 1, wherein a feed end of the air-classifying micro powder crushing device is communicated with a discharge end of the sheet material crushing device, the air-classifying micro powder crushing device is provided with a finished metal powder coating discharge port, a coarse powder discharge port and an ultra-fine powder discharge port, the air-classifying micro powder crushing device is used for grinding and classifying materials entering from the sheet material crushing device, the ultra-fine powder is discharged through the ultra-fine powder discharge port, finished products are discharged from the finished metal powder coating discharge port, and the coarse powder is discharged from the coarse powder discharge port.
8. The bonding-free metal powder coating production line of claim 7, wherein the air-classified micro powder crushing device comprises a flour mill, a cyclone, a rotary screen and a micro powder collecting box, the feeding end of the flour mill is provided with a sheet hopper, the sheet hopper is communicated with the discharging end of the sheet crusher, the discharging end of the sheet hopper is communicated with the feeding end of the flour mill, sheets enter the sheet hopper from the discharging end of the crusher and enter the flour mill from the sheet hopper, the feeding end of the cyclone is communicated with the discharging end of the flour mill, two discharging ends of the cyclone are respectively communicated with the rotary screen and the micro powder collecting box, the rotary screen is provided with a finished metal powder coating discharging port and a coarse powder discharging port, the micro powder collecting box is provided with a micro powder discharging port, metal powder coating enters the cyclone from the discharging end of the flour mill, and separating the metal coating powder by using a cyclone separator, enabling the ultrafine powder to enter an ultrafine powder collecting box, enabling the rest metal coating powder to enter a rotary screen, separating the metal coating powder again by using the rotary screen, discharging a metal powder coating finished product from a finished metal powder coating discharging port, and discharging coarse powder from a coarse powder discharging port.
9. The bonding-free metal powder coating production line of claim 8, wherein the mill is provided with a nitrogen vent, and nitrogen enters the mill through the nitrogen vent.
10. A bonding-free metal powder coating production line as claimed in claim 8, wherein the ultra-fine powder collection box is a filter bag type ultra-fine powder collection box, the ultra-fine powder collection box is provided with a filter bag, a pulse dust collector, a fan, a silencer and a pressure release valve, the filter bag is arranged in the ultra-fine powder collection box, the pulse dust collector is arranged in the ultra-fine powder collection box and is located above the filter bag, a clean air outlet duct of the fan is communicated with the pulse dust collector, an air outlet is communicated with the outside, the silencer is arranged at one end of the air outlet duct provided with the air outlet, and the pressure release valve is arranged at the.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920405337.9U CN209854038U (en) | 2019-03-27 | 2019-03-27 | Exempt from to bind metal powder coating production line |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920405337.9U CN209854038U (en) | 2019-03-27 | 2019-03-27 | Exempt from to bind metal powder coating production line |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111218191A (en) * | 2020-03-02 | 2020-06-02 | 佛山市顺德区千之彩实业有限公司 | Metal powder coating and preparation process thereof |
| CN112724725A (en) * | 2020-12-16 | 2021-04-30 | 艾勒可新材料(佛山)有限公司 | Powder coating with metal effect and preparation method thereof |
| CN112724798A (en) * | 2020-12-16 | 2021-04-30 | 艾勒可新材料(佛山)有限公司 | Powder coating with metal effect and preparation method thereof |
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2019
- 2019-03-27 CN CN201920405337.9U patent/CN209854038U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111218191A (en) * | 2020-03-02 | 2020-06-02 | 佛山市顺德区千之彩实业有限公司 | Metal powder coating and preparation process thereof |
| CN112724725A (en) * | 2020-12-16 | 2021-04-30 | 艾勒可新材料(佛山)有限公司 | Powder coating with metal effect and preparation method thereof |
| CN112724798A (en) * | 2020-12-16 | 2021-04-30 | 艾勒可新材料(佛山)有限公司 | Powder coating with metal effect and preparation method thereof |
| CN112724798B (en) * | 2020-12-16 | 2022-04-05 | 艾勒可新材料(佛山)有限公司 | Powder coating with metal effect and preparation method thereof |
| CN112724725B (en) * | 2020-12-16 | 2022-05-06 | 艾勒可新材料(佛山)有限公司 | Powder coating with metal effect and preparation method thereof |
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