CN114405700A - Powder coating spraying system - Google Patents
Powder coating spraying system Download PDFInfo
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- CN114405700A CN114405700A CN202210210164.1A CN202210210164A CN114405700A CN 114405700 A CN114405700 A CN 114405700A CN 202210210164 A CN202210210164 A CN 202210210164A CN 114405700 A CN114405700 A CN 114405700A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B5/00—Electrostatic spraying apparatus; Spraying apparatus with means for charging the spray electrically; Apparatus for spraying liquids or other fluent materials by other electric means
- B05B5/08—Plant for applying liquids or other fluent materials to objects
- B05B5/081—Plant for applying liquids or other fluent materials to objects specially adapted for treating particulate materials
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- 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
- B05B14/48—Arrangements for collecting, re-using or eliminating excess spraying material for use in spray booths specially adapted for particulate material
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- 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
- B05B16/60—Ventilation arrangements specially adapted therefor
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- 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
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- Electrostatic Spraying Apparatus (AREA)
Abstract
The invention relates to the technical field of powder spraying, and provides a powder coating spraying system which comprises a spraying box, an electrostatic powder spraying device, a partition plate and a first driving part, wherein the spraying box is provided with a feeding hole and an air outlet, the electrostatic powder spraying device is used for generating electrostatic powder coating and comprises a fan used for blowing the electrostatic powder coating to an inner cavity of the spraying box, an inlet of the fan is communicated with the air outlet, the partition plate is connected with the bottom of the inner cavity of the spraying box in a sliding and sealing mode, and the first driving part is in transmission connection with one end of the partition plate and is used for driving the partition plate to slide up and down along the bottom of the inner cavity of the spraying box. The invention can not only uniformly spray powder on the surface of a workpiece, but also avoid serious waste of powder coating and air pollution.
Description
Technical Field
The invention relates to the technical field of powder spraying, in particular to a powder coating spraying system.
Background
Powder spraying is to spray powder paint on the surface of a workpiece by using powder spraying equipment. Under the action of static electricity, the powder can be uniformly adsorbed on the surface of the workpiece to form a powdery coating. The powdery coating is baked, leveled and solidified at high temperature to become final coatings with different effects. The spraying effect of the powder spraying is superior to that of a paint spraying process in the aspects of mechanical strength, adhesive force, corrosion resistance, aging resistance and the like, and the cost is also lower than that of the paint spraying with the same effect.
In the existing automatic multi-spray gun spraying system, in the process of spraying powder on a workpiece by using a plurality of spray guns, the powder coating can form a fan-shaped atomization area after being sprayed out by the spray guns. The atomization zones of the different spray guns coincide on the workpiece and form two layers of powder coating on the surface of the workpiece. Therefore, the uneven powder coating on the surface of the workpiece is easily caused, and the appearance and the overall performance of the workpiece are affected.
In addition, the spray gun is used for spraying powder on the workpiece, and partial powder coating can be directly diffused into the air or splashed into the air after being collided with the workpiece, so that the serious waste of the powder coating and air pollution can be caused.
Disclosure of Invention
Based on the above, in order to solve the problems that the existing automatic multi-spray gun spraying system is easy to cause the unevenness of powder coating on the surface of a workpiece, the serious waste of powder coating and air pollution, the invention provides a powder coating spraying system, which has the following specific technical scheme:
the utility model provides a powder coating spraying system, includes spraying case and electrostatic powder spraying device, the spraying case is equipped with feed inlet and air outlet, electrostatic powder spraying device is used for producing and takes electrostatic powder coating and including being used for with take electrostatic powder coating blow extremely the fan of the inner chamber of spraying case, the entry of fan with the air outlet intercommunication.
The powder coating material spray system also includes a divider plate and a first drive member. The partition plate is connected with the bottom of the inner cavity of the spraying box in a sliding and sealing mode. The first driving part is in transmission connection with one end of the partition plate and is used for driving the partition plate to slide up and down along the bottom of the inner cavity of the spraying box.
Has the advantages that: and the electrostatic powder coating is conveyed into the inner cavity of the spraying box by the electrostatic powder spraying device, and the atomized electrostatic powder coating is suspended and diffused in the inner cavity of the spraying box. At the moment, the workpiece to be sprayed is conveyed into the inner cavity of the spraying box through the feeding hole, and the atomized electrostatic powder coating is adhered to the surface of the workpiece so as to realize uniform powder spraying of the workpiece.
Because powder coating spraying system will suspend through making the electrostatic powder coating after the atomizing and diffuse among the inner chamber of spraying case, and then carry out even powder spraying to the workpiece surface, so there is not coincident powder coating atomizing area on the workpiece surface, and it has solved current automatic many spray guns spraying system and has caused the inhomogeneous of workpiece surface powder coating easily, influences the pleasing to the eye and the problem of wholeness ability of work piece outward appearance.
Because the inlet of the fan is communicated with the air outlet of the spraying box, after the uniform powder spraying of the workpiece is finished, the fan can be utilized to circularly pump the electrostatic powder coating which is suspended and diffused in the spraying box to the spraying box.
The first driving part drives the partition plate to slide upwards along the bottom of the inner cavity of the spraying box, so that at least part of the partition plate can extend into the inner cavity of the spraying box. When at least part of the partition plate extends into the inner cavity of the spraying box, the circularly flowing electrostatic powder coating is blocked by the partition plate and is continuously adhered to the partition plate.
Because the partition plate is connected with the bottom of the inner cavity of the spraying box in a sliding and sealing mode, when the first driving part drives the partition plate to slide downwards along the bottom of the inner cavity of the spraying box, the electrostatic powder coating adhered to the partition plate can be scraped to the bottom of the inner cavity of the spraying box. Therefore, the powder coating which is diffused in the air can be recycled, and the serious waste of the powder coating and the air pollution are avoided.
To sum up, powder coating paint spraying system not only can carry out even powder spraying to the workpiece surface, can also avoid causing serious waste and air pollution of powder coating, and it has solved current automatic many spray guns paint spraying system and has caused the inhomogeneous of workpiece surface powder coating easily, the serious waste and the air pollution's of powder coating problem.
Further, the electrostatic powder spray coating device further includes: a powder paint tank, an electrostatic generation chamber, and a powder paint storage box.
The powder coating storage box is fixedly arranged at the top of the powder coating box, is used for storing powder coating and is communicated with the inner cavity of the powder coating box;
the static electricity generating chamber is used for generating static electricity, is positioned between the powder coating box and the spraying box and is communicated with the inner cavity of the powder coating box and the inner cavity of the spraying box;
wherein, the export of fan with the inner chamber intercommunication of powder coating case.
Further, the powder coating material storage box comprises a box body and a spiral conveying unit.
The cartridge is for storing powder paint.
The spiral conveying unit is fixedly installed at the top of the powder coating box, an outlet of the spiral conveying unit is communicated with an inner cavity of the powder coating box, and an inlet of the spiral conveying unit is communicated with an outlet of the box body and used for conveying powder coating into the powder coating box.
Further, the spiral conveying unit comprises a conveying pipeline, a spiral shaft and a second driving component.
The conveying pipeline is fixedly installed at the top of the powder coating box, one end of the conveying pipeline is communicated with the inner cavity of the powder coating box, and the other end of the conveying pipeline is communicated with the outlet of the box body.
The screw shaft is rotatably arranged in the material conveying pipe, and the second driving part is used for driving the screw shaft to rotate.
Further, the powder coating spraying system also comprises a two-in one-out three-way valve and a one-in two-out three-way valve.
One inlet of the two-inlet one-outlet three-way valve is communicated with outside air, the other inlet of the two-inlet one-outlet three-way valve is communicated with one end of a ventilation pipe, and the outlet of the two-inlet one-outlet three-way valve is communicated with the inlet of the fan;
and the inlet of the one-inlet and two-outlet three-way valve is communicated with the air outlet, one outlet of the one-inlet and two-outlet three-way valve is communicated with the other end of the ventilation pipe, and the other outlet of the one-inlet and two-outlet three-way valve is communicated with the outside air.
Further, the division board includes polylith and polylith the division board all is equipped with the vent.
When the first driving part drives the separation plate to slide along the bottom of the inner cavity of the spraying box and enables the other end of the separation plate to be in close contact with the top of the inner cavity of the spraying box, the ventilation openings in the separation plates are staggered.
Further, the bottom of the inner cavity of the spraying box is provided with a plurality of grooves, and the partition plate is positioned between the two grooves.
The powder coating spraying system further comprises a discharging pipe and a switch valve, one end of the discharging pipe is communicated with the groove, and the switch valve is fixedly installed in the discharging pipe.
Further, the powder coating material spraying system further comprises a static elimination net, and the static elimination net is installed on the side wall of the groove.
Further, the groove is a trapezoidal groove.
Drawings
The invention will be further understood from the following description in conjunction with the accompanying drawings. The components in the figures are not necessarily to scale, emphasis instead being placed upon illustrating the principles of the embodiments. Like reference numerals designate corresponding parts throughout the different views.
FIG. 1 is a schematic diagram of the overall configuration of a powder coating material dispensing system according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of the overall configuration of a powder coating spray system according to an embodiment of the present invention;
FIG. 3 is a schematic structural view of a powder paint storage cassette in one embodiment of the present invention;
fig. 4 is a schematic diagram of the structure between the partition plate and the groove of the powder coating material spraying system in an embodiment of the present invention.
Description of reference numerals:
1. a spraying box; 2. an electrostatic powder spray device; 3. a partition plate; 4. a first drive member; 5. a groove; 20. a fan; 21. a powder paint box; 22. a static electricity generating chamber; 23. a powder paint storage box; 230. a box body; 231. a delivery pipe; 232. a screw shaft; 233. a second drive member.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to embodiments thereof. It should be understood that the detailed description and specific examples, while indicating the scope of the invention, are intended for purposes of illustration only and are not intended to limit the scope of the invention.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
The terms "first" and "second" used herein do not denote any particular order or quantity, but rather are used to distinguish one element from another.
As shown in fig. 1, a powder coating spraying system in an embodiment of the present invention includes a spraying box 1 and an electrostatic powder spraying device 2, where the spraying box 1 is provided with a feeding port and an air outlet, the electrostatic powder spraying device is configured to generate an electrostatic powder coating and includes a blower 20 configured to blow the electrostatic powder coating to an inner cavity of the spraying box 1, and an inlet of the blower 20 is communicated with the air outlet.
The powder coating material spraying system further comprises a partition plate 3 and a first drive member 4. The partition plate 3 is connected with the bottom of the inner cavity of the spraying box 1 in a sliding and sealing mode. The first driving part 4 is in transmission connection with one end of the partition plate 3 and is used for driving the partition plate 3 to slide up and down along the bottom of the inner cavity of the spraying box 1.
In particular, the first driving member 4 may be a hydraulic telescopic cylinder or an electric telescopic rod.
The electrostatic powder coating device delivers the electrostatic powder coating into the inner cavity of the coating tank 1. At the moment, the workpiece to be sprayed is conveyed into the inner cavity of the spraying box 1 through the feeding hole, and the atomized electrostatic powder coating is adhered to the surface of the workpiece, so that uniform powder spraying of the workpiece is realized.
Because powder coating spraying system will suspend through making the electrostatic powder coating after the atomizing and diffuse among the inner chamber of spraying case 1, and then carry out even powder spraying to the workpiece surface, so there is not coincident powder coating atomizing area on the workpiece surface, and it has solved current automatic many spray guns spraying system and has caused the inhomogeneous of workpiece surface powder coating easily, influences the pleasing to the eye and the problem of wholeness ability of work piece outward appearance.
Because the inlet of the fan 20 is communicated with the air outlet of the spraying box 1, after the uniform powder spraying of the workpiece is finished, the fan 20 can be utilized to circularly pump the electrostatic powder coating which is suspended and diffused in the spraying box 1 to the spraying box 1.
The first driving part 4 drives the partition plate 3 to slide upwards along the bottom of the inner cavity of the spraying box 1, so that at least part of the partition plate 3 can extend into the inner cavity of the spraying box 1. When at least part of the partition plate 3 extends into the inner cavity of the spraying box 1, the circularly flowing electrostatic powder coating is blocked by the partition plate 3 and is continuously adhered to the partition plate 3.
Since the partition plate 3 is connected with the bottom of the inner cavity of the spraying box 1 in a sliding and sealing manner, when the first driving part 4 drives the partition plate 3 to slide downwards along the bottom of the inner cavity of the spraying box 1, the electrostatic powder coating adhered to the partition plate 3 can be scraped to the bottom of the inner cavity of the spraying box 1 for subsequent recycling treatment. Therefore, the powder coating which is diffused in the air can be recycled, and the serious waste of the powder coating and the air pollution are avoided.
To sum up, powder coating paint spraying system not only can carry out even powder spraying to the workpiece surface, can also avoid causing serious waste and air pollution of powder coating, and it has solved current automatic many spray guns paint spraying system and has caused the inhomogeneous of workpiece surface powder coating easily, the serious waste and the air pollution's of powder coating problem.
In one embodiment, the powder coating material spray system further comprises a cover plate for sealing and covering the feed opening. When the workpiece is positioned in the inner cavity of the spraying box 1 or after the workpiece which finishes powder spraying work is taken out from the spraying box 1, the cover plate covers the feeding hole. In this way, the air in the spray booth 1 and the powder coating material can be cyclically pumped back to the spray booth 1 by the fan 20.
In one embodiment, as shown in fig. 2, the electrostatic powder spray coating device further comprises: a powder paint tank 21, an electrostatic charge generation chamber 22, and a powder paint storage box 23.
The powder paint storage box 23 is fixedly installed on the top of the powder paint tank 21, stores powder paint, and communicates with the inner cavity of the powder paint tank 21.
Preferably, the powder paint storage box 23 is used to feed a fixed amount of powder paint to the powder paint tank 21. By feeding a fixed amount of the powder coating material to the powder coating material tank 21, the concentration of the atomized coating material powder can be set, and the powder coating can be performed on the surface of the workpiece more favorably. That is, by feeding a fixed amount of the powder coating material to the powder coating material tank 21, the thickness of the powder coating material layer sprayed on the surface of the workpiece can be controlled.
The static electricity generation chamber 22 is for generating static electricity, and is located between the powder coating material tank 21 and the painting tank 1 and communicates with the internal cavity of the powder coating material tank 21 and the internal cavity of the painting tank 1. The outlet of the fan 20 communicates with the interior of the powder paint tank 21.
An electrostatic generator is installed in the electrostatic generating chamber 22. Since the electrostatic generator is a conventional art in the art, it will not be described herein.
When the blower 20 is operated, the static electricity generator in the static electricity generation chamber 22 generates static electricity. The blower 20 blows the quantitative powder paint, which is delivered from the powder paint storage box 23 to the powder paint tank 21, into a powder mist and delivers it to the static electricity generation chamber 22.
The atomized powder coating passes through the static electricity generating chamber 22 and then is charged with static electricity, enters the spraying box 1 and is suspended and diffused in the spraying box 1.
By the electrostatic powder coating apparatus, it is possible to generate and blow the electrostatically charged powder coating into the coating booth 1, thereby performing uniform powder coating on the surface of a workpiece.
In one embodiment, as shown in fig. 3, the powder coating material storage box 23 includes a box body 230 for storing the powder coating material and a screw conveying unit.
The screw conveyor unit is used for conveying powder paint into the powder paint tank 21 and is fixedly installed on the top of the powder paint tank 21. The outlet of the screw conveyor unit communicates with the inner cavity of the powder coating material tank 21, and the inlet communicates with the outlet of the cartridge 230.
Specifically, the screw feed unit includes a feed pipe 231, a screw shaft 232, and a second driving member 233.
The feed pipe 231 is fixedly installed on the top of the powder coating material tank 21, and has one end communicating with the inner cavity of the powder coating material tank 21 and the other end communicating with the outlet of the cartridge 230. The screw shaft 232 is rotatably installed in the feed delivery pipe 231, and the second driving member 233 is used for driving the screw shaft 232 to rotate.
The second driving part 233 includes, but is not limited to, a servo motor.
By controlling the operation of the second driving member 233 and further controlling the rotational speed and the rotational time of the screw shaft 232, the powder paint can be quantitatively supplied to the powder paint tank 21.
The spiral conveying unit has the characteristics of simple structure and convenience in installation.
In one embodiment, the powder coating material spray system further comprises a two-in one-out three-way valve and a one-in two-out three-way valve.
One inlet of the two-inlet one-outlet three-way valve is communicated with the outside air, the other inlet of the two-inlet one-outlet three-way valve is communicated with one end of the ventilation pipe, and the outlet of the two-inlet one-outlet three-way valve is communicated with the inlet of the fan 20.
And the inlet of the one-inlet and two-outlet three-way valve is communicated with the air outlet, one outlet of the one-inlet and two-outlet three-way valve is communicated with the other end of the ventilation pipe, and the other outlet of the one-inlet and two-outlet three-way valve is communicated with the outside air.
By controlling the two-in one-out three-way valve and the one-in two-out three-way valve to be in a conduction state, the other inlet of the two-in one-out three-way valve is communicated with the outlet, and the inlet of the one-in two-out three-way valve is communicated with one outlet, air and electrostatic powder coating in the spraying box 1 can be circularly pumped into the spraying box 1 through the fan 20, so that the electrostatic powder coating is adhered to the partition plate 3, and then the powder coating which is suspended and diffused in the spraying box 1 is recovered.
After the recovery of the electrostatically charged powder coating suspended in the spraying box 1 is completed, the clean air in the spraying box 1 can be discharged to the outside air by switching the two-in one-out three-way valve and the one-in two-out three-way valve.
In conclusion, through setting up two-in one-out three-way valve and one-in two-out three-way valve, can carry out recovery processing to the powder coating that takes static in the suspension diffusion spraying case 1 better, avoid air pollution.
In one embodiment, the partition plate 3 comprises a plurality of pieces and the plurality of partition plates 3 are provided with vent holes.
When the first driving part 4 drives the partition plate 3 to slide along the bottom of the inner cavity of the painting chamber 1 and the other end (i.e., the sliding end) of the partition plate 3 is brought into close contact with the top of the inner cavity of the painting chamber 1, the ventilation openings of the partition plates 3 are staggered from each other.
Preferably, as shown in fig. 4, the bottom of the inner cavity of the spraying box 1 is provided with a plurality of grooves 5, and the partition plate 3 is located between the two grooves 5. In particular, the groove is a trapezoidal groove 5. The side of the partition plate 3 is in contact with the side wall of the recess 3. In this way, when the partition plate 3 is slid downward, the powder coating adhered to the partition plate 3 can be scraped off into the groove 3 for recycling.
The powder coating spraying system further comprises a discharging pipe and a switch valve, one end of the discharging pipe is communicated with the groove, and the switch valve is fixedly installed in the discharging pipe.
After the powder coating adhered to the partition plate 3 is scraped to the bottom of the inner cavity of the spraying box 1, the switch valve can be opened, and the scraped powder coating is recycled through the discharge pipe.
Since the ventilation openings of the plurality of partition plates 3 are staggered from each other and the other ends of the partition plates 3 are in close contact with the top of the inner cavity of the spraying box 1, a zigzag ventilation channel is formed between the plurality of partition plates 3.
The electrostatically charged powder coating material suspended in the spray booth 1 circulates in the tortuous ventilation path and will continuously adhere to the plurality of partition plates 3. That is, by offsetting the ventilation openings of the partition plates 3 from each other to form a zigzag ventilation path, the flow distance and flow time of the electrostatically charged powder coating material in the painting booth 1 can be increased.
After powder spraying work on the surface of a workpiece is finished and the workpiece is taken out of the spraying box 1, the partition plate 3 is driven to slide along the bottom of the inner cavity of the spraying box 1 so that the other end of the partition plate 3 is in close contact with the top of the inner cavity of the spraying box 1, and the electrostatically charged powder coating which is suspended and diffused in the spraying box 1 is circularly pumped back into the spraying box 1, so that the collecting speed of the powder coating can be increased, and the collecting efficiency of the powder coating is improved.
In one embodiment, the powder coating spray system further comprises a static discharge screen mounted on the side walls of the recess 5. By utilizing the static removing net to neutralize the electrostatic powder coating, the scraped powder coating can be better recycled.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (9)
1. The utility model provides a powder coating spraying system, includes spraying case and electrostatic powder spraying device, the spraying case is equipped with feed inlet and air outlet, electrostatic powder spraying device is used for producing and takes electrostatic powder coating and including being used for with take electrostatic powder coating blow extremely the fan of the inner chamber of spraying case, the entry of fan with the air outlet intercommunication, its characterized in that, powder coating spraying system still includes:
the partition plate is connected with the bottom of the inner cavity of the spraying box in a sliding and sealing manner;
the first driving part is in transmission connection with one end of the partition plate and is used for driving the partition plate to slide up and down along the bottom of the inner cavity of the spraying box.
2. A powder coating material dispensing system as recited in claim 1, wherein said electrostatic powder coating device further comprises: a powder paint tank, an electrostatic generation chamber, and a powder paint storage box;
the powder coating storage box is fixedly arranged at the top of the powder coating box, is used for storing powder coating and is communicated with the inner cavity of the powder coating box;
the static electricity generating chamber is used for generating static electricity, is positioned between the powder coating box and the spraying box and is communicated with the inner cavity of the powder coating box and the inner cavity of the spraying box;
wherein, the export of fan with the inner chamber intercommunication of powder coating case.
3. A powder coating material dispensing system as recited in claim 2, wherein said powder coating material storage bin comprises:
a cartridge for storing the powder coating;
and the spiral conveying unit is fixedly arranged at the top of the powder coating box, an outlet is communicated with the inner cavity of the powder coating box, and an inlet is communicated with the outlet of the box body and is used for conveying the powder coating into the powder coating box.
4. A powder coating material dispensing system as recited in claim 3, wherein the auger unit comprises:
the material conveying pipe is fixedly arranged at the top of the powder coating box, one end of the material conveying pipe is communicated with the inner cavity of the powder coating box, and the other end of the material conveying pipe is communicated with the outlet of the box body;
the spiral shaft is rotatably arranged in the conveying pipe;
and the second driving part is used for driving the screw shaft to rotate.
5. A powder coating material dispensing system as recited in claim 1, further comprising:
one inlet of the two-inlet one-outlet three-way valve is communicated with outside air, the other inlet of the two-inlet one-outlet three-way valve is communicated with one end of the ventilation pipe, and the outlet of the two-inlet one-outlet three-way valve is communicated with the inlet of the fan;
and the inlet of the one-inlet and two-outlet three-way valve is communicated with the air outlet, one outlet of the one-inlet and two-outlet three-way valve is communicated with the other end of the ventilation pipe, and the other outlet of the one-inlet and two-outlet three-way valve is communicated with the outside air.
6. A powder coating material dispensing system as recited in claim 5, wherein the divider plate includes a plurality of pieces and each of the plurality of pieces is provided with a vent;
when the first driving part drives the separation plate to slide along the bottom of the inner cavity of the spraying box and enables the other end of the separation plate to be in close contact with the top of the inner cavity of the spraying box, the ventilation openings in the separation plates are staggered.
7. A powder coating material dispensing system as recited in claim 6, wherein the bottom of the interior chamber of the spray booth has a plurality of recesses, and the divider plate is positioned between two of the recesses;
the powder coating spraying system further comprises a discharging pipe and a switch valve, one end of the discharging pipe is communicated with the groove, and the switch valve is fixedly installed in the discharging pipe.
8. A powder coating material dispensing system as recited in claim 7, further comprising a static discharge screen mounted on a side wall of the recess.
9. A powder coating dispensing system as recited in claim 8, wherein the recess is a trapezoidal shaped groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202210210164.1A CN114405700B (en) | 2022-03-04 | 2022-03-04 | Powder coating spraying system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210210164.1A CN114405700B (en) | 2022-03-04 | 2022-03-04 | Powder coating spraying system |
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| CN114405700A true CN114405700A (en) | 2022-04-29 |
| CN114405700B CN114405700B (en) | 2022-11-15 |
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| US3905785A (en) * | 1972-04-27 | 1975-09-16 | Air Ind | Spray booth bottom collector |
| WO2000010732A1 (en) * | 1998-08-20 | 2000-03-02 | Kraemer Erich | Powder-coating installation |
| CN109894308A (en) * | 2019-03-01 | 2019-06-18 | 江苏变色龙微粉技术有限公司 | Powder spray coating device and its working method suitable for Quick Changeover |
| CN210935592U (en) * | 2019-08-28 | 2020-07-07 | 扬州市江都区江阳涂装工程有限公司 | Automatic change electrostatic painting equipment |
| CN210522929U (en) * | 2019-09-10 | 2020-05-15 | 天津鑫峰科技有限公司 | Spraying device with quick drying function |
| CN113042288A (en) * | 2021-03-22 | 2021-06-29 | 深圳市德贝尔喷枪有限公司 | High-uniformity full-automatic powder spraying production line and spraying method thereof |
| CN215507452U (en) * | 2021-05-19 | 2022-01-14 | 苏州市梦菲亿半导体科技有限公司 | Powder recovery unit for electrostatic plastic powder spraying |
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