CN112892955A - Spraying line capable of recycling waste powder and working method thereof - Google Patents
Spraying line capable of recycling waste powder and working method thereof Download PDFInfo
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- CN112892955A CN112892955A CN202110009243.1A CN202110009243A CN112892955A CN 112892955 A CN112892955 A CN 112892955A CN 202110009243 A CN202110009243 A CN 202110009243A CN 112892955 A CN112892955 A CN 112892955A
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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
- B05B16/20—Arrangements for spraying in combination with other operations, e.g. drying; Arrangements enabling a combination of spraying operations
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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
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/02—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by baking
- B05D3/0218—Pretreatment, e.g. heating the substrate
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/02—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by baking
- B05D3/0254—After-treatment
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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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Abstract
The invention provides a waste powder recycling spraying line which comprises an upper row of modules, a pretreatment module, a drying module, a first powder spraying room, a second powder spraying room, a third powder spraying room, a pre-curing module, a waste powder collecting module, a hanging and conveying module and a lower row of modules, wherein workpieces processed in the upper row of modules, the pretreatment module, the drying module, the pre-curing module, the first powder spraying room, the second powder spraying room and the third powder spraying room are conveyed to the next process through the hanging and conveying module, the lower row of modules are used for discharging the waste powder collecting module and comprise a powder suction robot and a waste powder collecting box, the waste powder collecting box is connected with a first powder spraying machine in the first powder spraying room, at least one powder suction robot is arranged in the second powder spraying room, at least one powder suction robot is arranged in the third powder spraying room, can effectively recycle the waste powder and reduce the using amount of new powder.
Description
Technical Field
The invention relates to the technical field of mechanical spraying, in particular to a spraying line capable of recycling waste powder and a working method thereof.
Background
In the processing process of the aluminum profile, powder spraying is usually used for coloring the aluminum profile, and in the powder spraying process, due to the fact that the colors of powder are various, a large amount of waste powder is generated when powder needs to be changed and sprayed frequently in the production process, the waste powder is accumulated on the ground, and when the waste powder reaches a certain thickness, the waste powder can be raised and adsorbed on a workpiece and also adsorbed on a hanging tool, so that the workpiece is poor in conductivity, and the powder feeding rate is low; a certain amount of secondary recovery powder can be generated in the spraying process;
the waste powder in the current production process is thrown away or sold to powder suppliers at a lower price, and the waste powder is not treated well.
Disclosure of Invention
Based on this, in order to solve the problem that the waste powder can not be recycled in the spraying process, the invention provides a spraying line for recycling the waste powder, which has the following specific technical scheme:
a spraying line for recycling waste powder comprises an upper row module, a pretreatment module, a drying module, a first powder spraying room, a second powder spraying room, a third powder spraying room, a pre-curing module, a waste powder collecting module, a hanging and conveying module and a lower row module, the workpieces processed in the upper row module, the pretreatment module, the drying module, the pre-curing module, the first powder spraying room, the second powder spraying room and the third powder spraying room are all conveyed to the next procedure by the hanging conveying module, the lower discharge module is used for discharging the waste powder collecting module and comprises a powder suction robot and a waste powder collecting box, the waste powder collecting box is connected with a first powder spraying machine in the first powder spraying room, at least one powder sucking robot is arranged in the first powder spraying room, and at least one powder suction robot is arranged in the second powder spraying room, and at least one powder suction robot is arranged in the third powder spraying room.
In the scheme, the waste powder is collected by the powder suction robot, and the waste powder generated in the spraying process is sucked away in time, so that the waste powder is prevented from being lifted and adsorbed on a workpiece; the waste powder is sprayed for priming, and the new powder is sprayed after precuring, so that the waste powder can be effectively recycled, the use amount of the new powder is reduced, the resources are reasonably utilized, and the cost is saved; the automation level is high.
Further, inhale whitewashed robot includes main part, control chip, dust absorption portion and deposit whitewashed portion, the main part lower extreme is equipped with the gyro wheel that is used for the removal, dust absorption portion set up in inhale whitewashed robot lower part, it sets up in the main part to deposit whitewashed portion, control chip set up in the main part, control chip with useless powder collecting box signal connection.
Furthermore, a rotary brush is arranged at the lower end of the dust suction part.
Further, the waste powder collecting box comprises a box body, a control box, a powder sucking pipe and a powder outlet, wherein the control box is arranged at the upper end of the box body, the control box is in signal connection with a control chip, one end of the powder sucking pipe is connected with the powder storing part, the other end of the powder sucking pipe is connected with the box body, a first screen and a second screen are arranged in the box body, the lower end of the second screen is provided with the powder outlet, and the powder outlet is connected with a feed inlet of the first powder sprayer.
Further, the upper row of modules comprises a bottom frame, a conveying chain, a conveying motor and an anti-skid baffle plate, wherein the conveying chain and the ground form an included angle of 40 degrees and is fixedly connected with the bottom frame, the conveying motor is connected with the conveying chain, and the anti-skid baffle plate is fixed on the bottom frame. Further, hang and carry the module and include slide rail, sliding block, driving motor and couple, the slide rail set up in the spraying line top, the sliding block is fixed in the slide rail, driving motor is fixed in the slide rail, the couple is fixed in the sliding block bottom.
Further, the pretreatment module comprises a pretreatment tank, and the pretreatment tank is divided into a pretreatment end, an oil removal section, a tap water washing section, a first pure water washing section, a passivation section and a second pure water washing section through a partition plate.
Further, the drying module comprises a water drying furnace.
Further, the curing module comprises a curing oven.
The technical scheme also provides a working method of the waste powder recycling spraying line, which comprises the following steps:
waste powder generated in the production process is collected in a first powder spraying room, a second powder spraying room and a third powder spraying room through a powder suction robot, then the waste powder is conveyed to a waste powder collecting box, impurities of the waste powder are filtered in the waste powder collecting box through a first screen, then coarse and fine filtration is carried out through a second screen, fine powder obtained after the filtration of the waste powder is provided for a first powder spraying machine through a powder outlet by the waste powder collecting box, and coarse powder obtained after the filtration is provided for the second powder spraying room and the third powder spraying room; the aluminum profiles to be processed are placed on the upper row of modules and are orderly placed, and then are conveyed to the pretreatment module through the hanging conveying module for pretreatment;
the aluminum profile pretreatment module sequentially performs pretreatment, oil removal, first tap water washing, passivation and second tap water washing on the aluminum profile, and then the aluminum profile is conveyed to the drying module through the hanging conveying module;
drying the aluminum profile in a drying module at the drying temperature of 80-100 ℃;
conveying the dried aluminum profile to a first powder spraying room through a hanging conveying module, and spraying collected fine powder and redundant powder with the color changed during powder spraying in a second powder spraying room and a third powder spraying room onto the aluminum profile;
moving the aluminum profile subjected to the one-time powder spraying into a pre-curing module through a suspension conveying module for pre-curing, wherein the pre-curing temperature is 120-150 ℃;
moving the pre-cured aluminum profile to a second powder spraying room through a hanging and conveying module to perform secondary powder spraying;
moving the aluminum profile subjected to secondary powder spraying to a third powder spraying room through a hanging conveying module to spray powder for three times;
moving the aluminum profile subjected to the three-time powder spraying to a curing module through a hanging and conveying module for curing, and finishing processing, wherein the curing temperature is 210-220 ℃;
the finished aluminum profile is conveyed to the lower row of modules through the suspension conveying module for blanking.
In the above scheme, for the secondary that traditional powder spray room adopted dusts, increased the third and dusted the powder room and dusted, improved work efficiency, guaranteed product quality.
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 product layout diagram of a waste recycling spray line in an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a powder suction robot of a spraying line for recycling waste powder in an embodiment of the present invention;
FIG. 3 is a schematic structural view of a waste toner collecting box of a waste toner recycling spray line according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of an upper row of modules of a waste powder recycling spray line according to an embodiment of the present invention;
FIG. 5 is a schematic structural view of a suspension conveying mechanism of a waste recycling spray line according to an embodiment of the present invention;
description of reference numerals: 1. a first powder spraying room; 2. a second powder spraying room; 3. a third powder spraying room; 4. a powder suction robot; 5. an activated carbon waste gas treatment tank; 6. a dust suction part; 7. a powder storage part; 8. a roller; 9. rotating the brush; 10. a waste powder collecting box; 11. a control box; 12. a powder suction pipe; 13. a powder outlet; 14. a lower row module; 15. an upper row of modules; 16. a chassis; 17. a conveyor chain; 18. a conveying motor; 19. an anti-slip baffle; 20. a hanging transport module; 21. a slide rail; 22. a slider; 23. a drive motor; 24. hooking; 25. a pretreatment tank; 26. a water drying furnace; 27. a curing oven; 28. a first powder blower; 29. a first reciprocating machine; 30. a second powder blower; 31. a second reciprocating machine; 32. a third powder blower; 33. a third reciprocating machine; 34. a pre-curing oven; 35. a first screen; 36. a second plug.
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 waste powder recycling spray line in an embodiment of the present invention includes an upper row module 15, a pretreatment module, a drying module, a first powder spraying room 1, a second powder spraying room 2, a third powder spraying room 3, a pre-curing module, a waste powder collecting module, a hanging and conveying module 20, and a lower row module 14, where the processed workpieces in the upper row module 15, the pretreatment module, the drying module, the pre-curing module, the first powder spraying room 1, the second powder spraying room 2, and the third powder spraying room 3 are all conveyed to a next process by the hanging and conveying module 20, the lower row module 14 is used for discharging, the waste powder collecting module includes a powder suction robot 4 and a waste powder collecting box 10, the waste powder collecting box 10 is connected to a first powder sprayer 28 in the first powder spraying room 1, at least one powder suction robot 4 is disposed in the first powder spraying room 1, at least one powder suction robot 4 is arranged in the second powder spraying room 2, and at least one powder suction robot 4 is arranged in the third powder spraying room 3.
In the scheme, the waste powder is collected by the powder suction robot, and the waste powder generated in the spraying process is sucked away in time, so that the waste powder is prevented from being lifted and adsorbed on a workpiece; the fine powder in the waste powder is sprayed for priming, the coarse powder in the waste powder is reused, and the new powder is sprayed after precuring, so that the waste powder can be effectively recycled, the use amount of the new powder is reduced, the resources are reasonably utilized, and the cost is saved; the automation level is high.
As shown in fig. 2, in one embodiment, the powder suction robot 4 includes a main body, a control chip, a dust suction part 6 and a powder storage part 7, the lower end of the main body is provided with a roller 8 for movement, the dust suction part 6 is arranged at the lower part of the powder suction robot 4, the powder storage part 7 is arranged in the main body, the control chip is arranged in the main body, and the control chip is in signal connection with the waste powder collection box 10. The powder suction robot 4 sucks waste powder on the ground to the powder storage part 7 through the dust suction part 6, and when the waste powder in the powder storage part 7 is fully collected, the powder suction robot 4 slides to the first powder spraying room 1 to convey the waste powder to the waste powder collecting box 10.
In one embodiment, the lower end of the dust collection part 6 is provided with a rotary brush 9, and the rotary brush 9 is used for sweeping waste powder into the dust collection part 6, so that dust collection is facilitated.
As shown in fig. 3, in one embodiment, the waste powder collecting box 10 includes a box body, a control box 11, a powder suction pipe 12 and a powder outlet 13, the control box 11 is disposed at an upper end of the box body, the control box 11 is in signal connection with the control chip, one end of the powder suction pipe 12 is connected with the powder storage portion 7, the other end of the powder suction pipe 12 is connected with the box body, a first screen 35 and a second screen 36 are disposed in the box body, the powder outlet 13 is disposed at a lower end of the second screen 36, and the powder outlet 13 is connected with a feed inlet of the first powder blower 28. The waste powder collected by the powder suction robot 4 is sucked into the box body through the powder suction pipe 12, impurities and sand particles are filtered through the first screen 35, then coarse and fine filtering is carried out through the second screen 36, fine powder filtered by the waste powder is supplied to the first powder sprayer 28 through the powder outlet 13 by the waste powder collection box, and coarse powder filtered by the waste powder is supplied to the second powder sprayer 30 and the third powder sprayer 32.
As shown in fig. 4, in one embodiment, the upper row module 15 includes a base frame 16, a conveying chain 17, a conveying motor 18 and an anti-slip baffle 19, the conveying chain 17 forms an angle of 40 degrees with the ground and is fixedly connected with the base frame 16, the conveying motor 18 is connected with the conveying chain 17, the anti-slip baffle 19 is fixed on the base frame 16, and the main function of the upper row module is to adjust the workpieces from horizontal discharge to vertical discharge during feeding, so that a smooth transition can be formed to prevent the aluminum material from swinging and surface scratching.
As shown in fig. 5, in one embodiment, the hanging and conveying module 20 includes a slide rail 21, a slide block 22, a driving motor 23, and a hook 24, the slide rail 21 is disposed at the top end of the painting line, the slide block 22 is fixed to the slide rail 21, the driving motor 23 is fixed to the slide rail 21, the hook 24 is fixed to the bottom end of the slide block 22, after a certain module finishes working, a worker hangs a finished aluminum profile on the hook 24, and the driving motor 23 drives the slide rail 21 to move to drive the slide block 22 to convey a workpiece to a next process.
In one embodiment, the pretreatment module comprises a pretreatment tank 25, and the pretreatment tank 25 is divided into a pretreatment end, an oil removal section, a tap water washing section, a first pure water washing section, a passivation section and a second pure water washing section by a partition plate.
In one embodiment, the number of the groove bodies of the pretreatment section is 3, and the sizes of the groove bodies are as follows: 2.2m 2.1m 0.8 m; single flow rate of 100m3/h。
In one embodiment, the number of the groove bodies of the oil removing section is 4, and the size of the groove bodies is 2.2m by 2.1m by 0.8 m; single flow rate of 100m3/h。
In one embodiment, 2 trough bodies are arranged in the tap water washing section, and the size of each trough body is 2.2m by 2.8m by 0.8 m; single flow rate of 50m3/h。
In one embodiment, the tank size of the pure water washing section is 2.2m by 2.8m by 0.8 m; single flow rate of 50m3/h。
In one embodiment, the number of the grooves of the passivation segment is 2, and the size of the groove is 2.2m by 2.1m by 0.8 m; single flow rate of 100m3/h。
In one embodiment, the first pure water washing section has a tank size of 2.2m by 2.8m by 0.8 m; single flow rate of 50m3/h。
In one embodiment, the drying module comprises a water oven 26, and the power of the water oven 26 is 30 ten thousand kcal/hour.
In one embodiment, the curing module includes a curing oven 27, and the curing oven 27 has a power of 40 ten thousand kcal/hour.
In one embodiment, the first powder spraying room 1 is internally provided with a waste powder collecting box 10, a first powder spraying machine 28 and a first reciprocating machine 29, the first reciprocating machine 29 is adjustable in vertical direction and speed, aluminum profiles are placed on the first reciprocating machine 29, and the aluminum profiles are sprayed with powder through the first powder spraying machine 28.
In one embodiment, a second powder spraying machine 30 and a second reciprocating machine 31 are arranged in the second powder spraying room 2, the second reciprocating machine 31 is adjustable in vertical direction and speed, the aluminum profile is placed on the second reciprocating machine 31, and powder spraying is performed on the aluminum profile through the second powder spraying machine 30.
In one embodiment, a third powder spraying machine 32 and a third reciprocating machine 33 are arranged in the third powder spraying room 3, the third reciprocating machine 33 is adjustable in vertical direction and speed, the aluminum profile is placed on the third reciprocating machine 33, and powder spraying is performed on the aluminum profile through the third powder spraying machine 32.
In one embodiment, the first powder blower 28, the second powder blower 30 and the third powder blower 32 are all automatic high-voltage electrostatic spray guns, the daily maintenance amount is small, the stable and efficient powder charging effect and the continuous and stable powder output can be guaranteed, and meanwhile, the electrode holder discharge needle cleaner is equipped to quickly clean the spray guns.
In one embodiment, the pre-curing module includes a pre-curing oven 34, the pre-curing oven 34 having a power of 30 ten thousand kcal/hr.
In one embodiment, the system further comprises an activated carbon waste gas treatment box 5, waste gas generated by powder spraying can be treated in time, and the system is energy-saving and environment-friendly.
In one embodiment, the invention also provides a working method of the spraying line for recycling waste powder, which comprises the following steps:
1) waste powder generated in the production process is collected in a first powder spraying room 1, a second powder spraying room 2 and a third powder spraying room 3 through a powder suction robot 4, then the waste powder is conveyed to a waste powder collecting box 10, impurities of the waste powder are filtered in the waste powder collecting box 10 through a first screen 35, then coarse and fine filtration is carried out through a second screen 36, fine powder obtained after the waste powder is filtered is provided for a first powder spraying machine 28 through a powder outlet 13 by the waste powder collecting box 10, and coarse powder obtained after the filtration is provided for the second powder spraying room 2 and the third powder spraying room 3; the step is also carried out discontinuously in the spraying process, and waste powder is collected in time.
2) The aluminum profiles to be processed are placed on the upper row module 15 and are orderly placed, and then are conveyed to the pretreatment module through the hanging conveying module 20 for pretreatment;
3) the aluminum profile is sequentially subjected to pretreatment, oil removal, first tap water washing, passivation and second tap water washing in a pretreatment module, and then is conveyed to a drying module through a hanging conveying module 20;
4) drying the aluminum profile in a drying module at the drying temperature of 80-100 ℃;
5) conveying the dried aluminum profile to a first powder spraying room 1 through a hanging conveying module 20, and spraying the fine powder collected in the step 1) and redundant powder after color replacement during powder spraying in a second powder spraying room and a third powder spraying room onto the aluminum profile;
6) moving the aluminum profile subjected to the primary powder spraying into a pre-curing module for pre-curing through a hanging and conveying module 20, wherein the pre-curing temperature is 120-150 ℃; the pre-curing is used for leveling and pre-curing the aluminum profile subjected to powder spraying, so that the adhesive force of a coating is improved, and preparation is made for the next powder spraying;
7) moving the pre-cured aluminum profile to a second powder spraying room 2 for secondary powder spraying through a hanging and conveying module 20;
8) moving the aluminum profile subjected to secondary powder spraying to a third powder spraying room 3 through a hanging and conveying module 20 to perform tertiary powder spraying;
9) moving the aluminum profile subjected to the three-time powder spraying to a curing module through a hanging and conveying module 20 for curing, and finishing processing, wherein the curing temperature is 210-220 ℃; leveling and solidifying the aluminum profile subjected to powder spraying, and preventing impurities such as dust from adhering or falling off to influence the coating quality;
10) the finished aluminum profiles are conveyed to the lower row of modules 14 for blanking through the hanging conveying module 20.
In the scheme, the working efficiency is improved and the product quality is ensured through three times of powder spraying and two times of curing.
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 (10)
1. A waste powder recycling spraying line is characterized by comprising an upper row of modules, a pretreatment module, a drying module, a first powder spraying room, a second powder spraying room, a third powder spraying room, a pre-curing module, a waste powder collecting module, a hanging and conveying module and a lower row of modules, wherein workpieces processed in the upper row of modules, the pretreatment module, the drying module, the pre-curing module, the first powder spraying room, the second powder spraying room and the third powder spraying room are conveyed to the next process through the hanging and conveying module, the lower row of modules are used for discharging materials, the waste powder collecting module comprises a powder suction robot and a waste powder collecting box, the waste powder collecting box is connected with a first powder spraying machine in the first powder spraying room, at least one powder suction robot is arranged in the second powder spraying room, and at least one powder suction robot is arranged in the third powder spraying room.
2. The waste powder recycling spraying line according to claim 1, wherein the powder suction robot comprises a main body, a control chip, a dust suction part and a powder storage part, a roller for moving is arranged at the lower end of the main body, the dust suction part is arranged at the lower part of the powder suction robot, the powder storage part is arranged in the main body, the control chip is arranged in the main body, and the control chip is in signal connection with the waste powder collecting box.
3. The waste recycling coating line as claimed in claim 2, wherein the lower end of the dust suction part is provided with a rotary brush.
4. The waste powder recycling spraying line according to claim 2, wherein the waste powder collecting box comprises a box body, a control box, a powder suction pipe and a powder outlet, the control box is arranged at the upper end of the box body, the control box is in signal connection with the control chip, one end of the powder suction pipe is connected with the powder storage part, the other end of the powder suction pipe is connected with the box body, a first screen and a second screen are arranged in the box body, the lower end of the second screen is provided with the powder outlet, and the powder outlet is connected with the feeding hole of the first powder sprayer.
5. The waste powder recycling spraying line as claimed in claim 1, wherein the upper row of modules comprises a bottom frame, a conveying chain, a conveying motor and an anti-slip baffle, the conveying chain forms an included angle of 40 degrees with the ground and is fixedly connected with the bottom frame, the conveying motor is connected with the conveying chain, and the anti-slip baffle is fixed on the bottom frame.
6. The waste powder recycling spraying line as claimed in claim 1, wherein the hanging and conveying module comprises a slide rail, a slide block, a driving motor and a hook, the slide rail is arranged at the top end of the spraying line, the slide block is fixed on the slide rail, the driving motor is fixed on the slide rail, and the hook is fixed at the bottom end of the slide block.
7. The waste powder recycling spraying line according to claim 1, wherein the pretreatment module comprises a pretreatment tank, and the pretreatment tank is divided into a pretreatment end, an oil removal section, a tap water washing section, a first pure water washing section, a passivation section and a second pure water washing section by a partition plate.
8. The waste recycling spray line of claim 1, wherein the drying module comprises a water oven.
9. The waste powder recycling spray line according to claim 1, wherein the curing module comprises a curing oven.
10. A working method of a spraying line capable of recycling waste powder is characterized by comprising the following steps:
waste powder generated in the production process is collected in a first powder spraying room, a second powder spraying room and a third powder spraying room through a powder suction robot, then the waste powder is conveyed to a waste powder collecting box, impurities of the waste powder are filtered in the waste powder collecting box through a first screen, then coarse and fine filtration is carried out through a second screen, fine powder after filtration is provided for the first powder spraying machine through a powder outlet, and coarse powder after filtration is provided for the second powder spraying room and the third powder spraying room;
the aluminum profiles to be processed are placed on the upper row of modules and are orderly placed, and then are conveyed to the pretreatment module through the hanging conveying module for pretreatment;
the aluminum profile pretreatment module sequentially performs pretreatment, oil removal, first tap water washing, passivation and second tap water washing on the aluminum profile, and then the aluminum profile is conveyed to the drying module through the hanging conveying module;
drying the aluminum profile in a drying module at the drying temperature of 80-100 ℃;
conveying the dried aluminum profile to a first powder spraying room through a hanging conveying module, and spraying collected fine powder and redundant powder with the color changed during powder spraying in a second powder spraying room and a third powder spraying room onto the aluminum profile;
moving the aluminum profile subjected to the one-time powder spraying into a pre-curing module through a suspension conveying module for pre-curing, wherein the pre-curing temperature is 120-150 ℃;
moving the pre-cured aluminum profile to a second powder spraying room through a hanging and conveying module to perform secondary powder spraying;
moving the aluminum profile subjected to secondary powder spraying to a third powder spraying room through a hanging conveying module to spray powder for three times;
moving the aluminum profile subjected to the three-time powder spraying to a curing module through a hanging and conveying module for curing, and finishing processing, wherein the curing temperature is 210-220 ℃;
the finished aluminum profile is conveyed to the lower row of modules through the suspension conveying module for blanking.
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| CN202110009243.1A CN112892955A (en) | 2021-01-05 | 2021-01-05 | Spraying line capable of recycling waste powder and working method thereof |
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| CN202110009243.1A CN112892955A (en) | 2021-01-05 | 2021-01-05 | Spraying line capable of recycling waste powder and working method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116371647A (en) * | 2023-03-16 | 2023-07-04 | 佛山市三水凤铝铝业有限公司 | A powder recycling production process |
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