CN216678779U

CN216678779U - Coating line recycling device that dusts

Info

Publication number: CN216678779U
Application number: CN202220192765.XU
Authority: CN
Inventors: 时波; 王燎原; 张波; 景佰亨
Original assignee: Changzhou Feirongda Electronic Material Co ltd
Current assignee: Changzhou Feirongda Electronic Material Co ltd
Priority date: 2022-01-24
Filing date: 2022-01-24
Publication date: 2022-06-07
Anticipated expiration: 2032-01-24

Abstract

The utility model discloses a powder spraying, recycling and reusing device for a coating line, which comprises a powder supply device, a powder spraying device, a separating device and a waste powder recovering device, wherein the position, close to the top, of the separating device is connected with the bottom of the powder spraying device through a first recovering pipeline, a replaceable filter screen is arranged in the separating device, the waste powder recovering device is connected with the top of the separating device through a second recovering pipeline, the waste powder recovering device comprises a fan, a filter element and a waste powder collecting container, the bottom of the separating device is connected with a powder mixing mechanism in the powder supply device through a return pipe, and the powder mixing mechanism is connected with the waste powder recovering device through a waste powder return pipe. The utility model has simple structure, reasonable layout and good spraying effect, and is efficient and simple when powder materials with different colors are replaced; the powder recovery adopts an internal circulation air suction device to avoid powder overflow, so that the cleanness of a working area is ensured, and the health of workers is protected; the powder is directly utilized after being recovered, and the recovery utilization rate is high.

Description

Coating line recycling apparatus that dusts

Technical Field

The utility model relates to the technical field of recycling equipment, in particular to a spraying recycling device for a coating line.

Background

At present, a filter cartridge recovery system is adopted for powder recovery in the spraying process of a workpiece, namely a plurality of filter cartridges are directly arranged at an operation opening of a powder spraying chamber, when the powder spraying chamber is used, air with powder is filtered by the filter cartridge, and the powder is adsorbed on the surface of the filter cartridge; compressed air is controlled by a pulse electromagnetic valve to blow back the filter cartridge, and powder adsorbed on the surface of the filter cartridge falls into the recovery barrel.

The above-mentioned filter cartridge recovery system has the disadvantages that: the recovered powder can be used only after being manually screened by a screen and mixed with new powder in proportion, and the method is low in efficiency and complicated to operate; the filter element in the filter cylinder is easy to block and damage due to heavy load, the powder can cause the overflow phenomenon due to pressure, and the recycling rate is low.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a powder spraying, recycling and reusing device for a coating line, which can efficiently recycle powder and is simple and convenient to operate so as to overcome the defects in the background art.

In order to solve the technical problem, the utility model adopts the following technical scheme: a coating line powder spraying, recycling and reusing device comprises a powder supply device, a powder spraying device, a separating device and a waste powder recovering device, wherein the separating device comprises a recovering barrel and a replaceable filter screen, and the replaceable filter screen is arranged in the middle or at the lower part of the recovering barrel; the waste powder recovery device comprises a fan, a filter element and a waste powder collecting container, wherein the filter element is connected below the fan, the fan is used for discharging filtered air and providing a negative pressure state for the whole device, and the waste powder collecting container is positioned below the filter element; the separation device is connected with the bottom of the powder spraying device through a first recovery pipeline near the top, and the waste powder recovery device is connected with the top of the separation device through a second recovery pipeline; the powder supply device comprises a powder supply hopper and a powder mixing mechanism, and the powder mixing mechanism is positioned above the powder supply hopper and is communicated with the powder supply hopper through a powder supply pipe; the bottom of the separating device is connected with the powder mixing mechanism through a return pipe, and the powder mixing mechanism is connected with the waste powder recovery device through a waste powder loop pipe.

According to the scheme, powder which is not adhered to a workpiece in the spraying device is sucked into the recovery cylinder by negative pressure generated by the fan, the powder is settled by self gravity, separated from large-particle impurities by the replaceable filter screen and falls to the bottom of the recovery cylinder, and then the powder is operated to the powder supply device by the return pipe for recycling; and the small particle powder which is not settled enters a waste powder recovery device, final filtration is carried out by the filter element chamber, and the filtered powder is collected into a powder collection barrel to be discarded.

Preferably, a first gas flow controller is arranged on the powder supply pipe, and a second gas flow controller is arranged on the return pipe. The gas flow controller is used for separately controlling the flow rate of gas in the powder supply pipe and the return pipe, so that the feeding speed of powder can be conveniently controlled.

Preferably, a square funnel is arranged at the bottom of the powder spraying device, and the first recovery pipeline is connected with the square funnel. The powder which is not adsorbed on the surface of the workpiece falls into the square hopper under the action of gravity and is sucked into the separation device through the first recovery pipeline, so that the recovery effect is good.

Preferably, the waste powder collecting container in the waste powder recovery device comprises a powder collecting box and a guide funnel, and the powder collecting box is detachably connected to the lower end of the guide funnel. Through this scheme, the powder collection in the collection powder case of being convenient for is full, changes collection powder case.

Preferably, the bottom of the powder collecting box is provided with a universal wheel. The universal wheels can facilitate the transportation of the powder collecting box.

Preferably, the recycling bin comprises a first bin portion and a second bin portion, the first bin portion is detachably connected with the second bin portion, and the replaceable filter screen is located at the joint of the first bin portion and the second bin portion. The replaceable filter screen filters the powder to be recovered entering the separation device, removes impurities with large particle sizes, improves spraying quality, and opens the locking mechanism at the joint of the first barrel part and the second barrel part when the filter screen is replaced, so that the first barrel part and the second barrel part are separated, and the filter screen is replaced.

The utility model has the beneficial effects that:

1. the powder feeding device, the powder spraying device, the separating device and the waste powder recovery device are mutually independent in space, and the phenomenon that the space of the operation area of the powder spraying device is occupied in the background technology is avoided.

2. The powder recovery adopts the inner loop device that induced drafts, can effectively avoid the powder excessive, guarantees the cleanness of work interval, protects workman's health.

3. The powder filtered by the separating device is directly circulated to the powder supply device for use, so that manpower and material resources are reduced, and the powder recycling efficiency is improved.

4. Set up the waste powder return circuit pipe, the powder gravity that the particle diameter is less than the suction effect in the waste powder return circuit pipe, directly inhales waste powder recovery unit from supplying the powder device, guarantees good spraying effect.

5. When changing the powder of different colours, stop the feeding action of dusting, blow the pipeline clean with the air, supply the powder device to whole retrieving of remaining powder in the pipeline, required feed hopper on the replacement, swift, simple and convenient, save raw materials.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

FIG. 1 is a schematic structural diagram of the present invention.

In the figure: 1. a powder supply device; 11. a powder supply hopper; 12. a powder mixing mechanism; 2. a powder spraying device; 21. a square funnel; 3. a separation device; 31. a recycling bin; 311. a first tub portion; 312. a second tub portion; 32. the filter screen can be replaced; 4. a waste powder recovery device; 41. a fan; 42. a filter element; 43. a waste powder collection container; 431. a guide funnel; 432. a powder collecting box; 4321. a universal wheel; 5. a powder supply pipe; 6. a return pipe; 7. a waste powder return pipe; 8. a first gas flow controller; 9. a second gas flow controller.

Detailed Description

As shown in fig. 1, the powder spraying recycling device for a coating line in this embodiment includes a powder supplying device 1, a powder spraying device 2, a separating device 3, and a waste powder recycling device 4, where the separating device 3 includes a recycling bin 31 and a replaceable filter screen 32, and the replaceable filter screen 32 is disposed in the middle or lower part of the recycling bin 31; the waste powder recovery device 4 comprises a fan 41, a filter element 42 and a waste powder collecting container 43, wherein the filter element 42 is connected below the fan 41, and the waste powder collecting container 43 is positioned below the filter element 42; the separation device 3 is connected with the bottom of the powder spraying device 2 through a first recovery pipeline near the top, and the waste powder recovery device 4 is connected with the top of the separation device 3 through a second recovery pipeline; the powder supply device 1 comprises a powder supply hopper 11 and a powder mixing mechanism 12, wherein the powder mixing mechanism 12 is positioned above the powder supply hopper 11 and is communicated with the powder supply hopper through a powder supply pipe 5; the bottom of the separating device 3 is connected with a powder mixing mechanism 12 through a return pipe 6, and the powder mixing mechanism 12 is connected with a waste powder recovery device 4 through a waste powder loop pipe 7.

In this embodiment or other embodiments, the powder supply pipe 5 is provided with a first gas flow controller 8, and the return pipe 6 is provided with a second gas flow controller 9.

In this or other embodiments, the bottom of the powder spraying device 2 is provided with a square funnel 21, and the first recovery pipeline is connected with the square funnel 21.

In this embodiment or other embodiments, the waste toner collecting container 43 in the waste toner collecting apparatus 4 includes a toner collecting box 432 and a guide funnel 431, and the toner collecting box 432 is detachably attached to a lower end of the guide funnel 431.

In this embodiment or other embodiments, the bottom of the powder collecting box 432 is provided with a universal wheel 4321.

In this embodiment or other embodiments, the recycling bin 31 includes a first bin 311 and a second bin 312, the first bin 311 is detachably connected to the second bin 312, and the replaceable filter 32 is located at the connection position of the first bin 311 and the second bin 312.

Although some specific embodiments of the present invention have been described in detail by way of illustration, it should be understood by those skilled in the art that the above illustration is only for the purpose of illustration and is not intended to limit the scope of the utility model. It will be appreciated by those skilled in the art that modifications can be made to the above embodiments without departing from the scope and spirit of the utility model. The scope of the utility model is defined by the appended claims.

Claims

1. The utility model provides a coating line recovery device of recycling that dusts, includes powder supply device (1), powder spray device (2), separator (3), useless powder recovery unit (4), its characterized in that: the separation device (3) comprises a recovery barrel (31) and a replaceable filter screen (32), wherein the replaceable filter screen (32) is arranged in the middle or at the lower part of the recovery barrel (31); the waste powder recovery device (4) comprises a fan (41), a filter element (42) and a waste powder collecting container (43), wherein the filter element (42) is connected below the fan (41), and the waste powder collecting container (43) is positioned below the filter element (42); the separation device (3) is connected with the bottom of the powder spraying device (2) through a first recovery pipeline near the top, and the waste powder recovery device (4) is connected with the top of the separation device (3) through a second recovery pipeline; the powder supply device (1) comprises a powder supply hopper (11) and a powder mixing mechanism (12), wherein the powder mixing mechanism (12) is positioned above the powder supply hopper (11) and is communicated with the powder supply hopper through a powder supply pipe (5); the bottom of the separating device (3) is connected with the powder mixing mechanism (12) through a return pipe (6), and the powder mixing mechanism (12) is connected with the waste powder recovery device (4) through a waste powder loop pipe (7).

2. The coating line powder spraying recycling device of claim 1, characterized in that: the powder supply pipe (5) is provided with a first gas flow controller (8), and the return pipe (6) is provided with a second gas flow controller (9).

3. The coating line powder spraying recycling device of claim 2, characterized in that: the powder spraying device is characterized in that a square funnel (21) is arranged at the bottom of the powder spraying device (2), and the first recovery pipeline is connected with the square funnel (21).

4. The coating line powder spraying recycling device of claim 3, characterized in that: the waste powder collecting container (43) in the waste powder recovery device (4) comprises a powder collecting box (432) and a guide funnel (431), and the powder collecting box (432) is detachably connected to the lower end of the guide funnel (431).

5. The coating line powder spraying recycling device of claim 4, characterized in that: the bottom of the powder collecting box (432) is provided with a universal wheel (4321).

6. The coating line powder spraying recycling device according to any one of claims 1 to 5, characterized in that: the recycling bin (31) comprises a first bin part (311) and a second bin part (312), the first bin part (311) is detachably connected with the second bin part (312), and the replaceable filter screen (32) is located at the joint of the first bin part (311) and the second bin part (312).