Automatic powder collecting device of powder spraying room

By designing an automatic powder collection device in the powder spraying booth, and utilizing negative pressure adsorption and rotation mechanisms, the problem of low powder particle recovery efficiency in the powder spraying booth is solved, achieving efficient recovery and environmental cleanliness.

CN223602709UActive Publication Date: 2025-11-28SHAOXING KEQIAO DISTRICT XIANGLEI MACHINERY CO LTD
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Patent Information

Application Number
CN202520254054.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-18
Publication Date
2025-11-28
Estimated Expiration
2035-02-18

AI Technical Summary

Technical Problem

The low efficiency of recovering excess powder particles in existing powder spraying booths leads to waste and environmental pollution.

Method used

An automatic powder collection device for a powder spraying booth was designed, including components such as a duct, air hopper, air pipe, collection box, barrier filter, fan, rotating mechanism and cleaning brush. Through the cooperation of negative pressure adsorption and rotating mechanism, the efficient recovery and filtration of powder particles can be achieved.

Benefits of technology

It improves the efficiency of powder particle recovery, reduces waste and environmental pollution, and enhances the recovery rate of powder particles and the cleanliness of the powder spraying room.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223602709U_ABST
Patent Text Reader

Abstract

The utility model discloses an automatic powder collecting device of a powder spraying room, which comprises a powder spraying room body, a plurality of wind scoops connected to the outer side of the powder spraying room body, a collecting box arranged on one side of the powder spraying room body, a wind pipe connected between the collecting box and the wind scoops, a blocking filter screen arranged in the collecting box, and a movable sliding rod arranged in the collecting box. Two rotating shafts are arranged in the collecting box in a penetrating manner; a first rotating mechanism is arranged on one side of the collecting box; a cam is fixedly arranged on each rotating shaft; a first fan is mounted at the top end of the collecting box; the lower end of the second fan is connected with an adsorption pipe, a collecting hopper is arranged below the filter element, the lower end of the collecting hopper is connected with a collecting pipe, the other end of the collecting pipe is communicated with the air pipe, and two cleaning brushes are attached to the outer side of the filter element. The powder ion recovery device has the advantages of being reasonable in structure, capable of blocking and adsorbing powder ions and high in recovery efficiency.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a powder spraying room technical field, especially a kind of automatic powder collecting device of powder spraying room. BACKGROUND

[0002] Powder coating is a technology that powder coating is sprayed onto workpiece, and powder spraying room is a spraying equipment in coating operation, which is particularly important in industrial spraying. However, most of the powder spraying rooms on the market still have some problems, such as:

[0003] It is inconvenient to recycle the excess powder particles sprayed, resulting in a large waste of excess powder particles, increasing the cost, and part of the powder particles will also float in the powder spraying room. If the powder spraying room door is opened directly without adsorption, it will pollute the environment, thus reducing the powder particle recovery rate. In view of the above problems, the following solution is proposed. UTILITY MODEL CONTENT

[0004] The utility model aims to provide a kind of automatic powder collecting device of powder spraying room, with the advantages of blocking adsorption of powder ions and high recovery efficiency.

[0005] The above technical purpose of the utility model is realized by the following technical scheme:

[0006] An automatic powder collecting device of powder spraying room, comprising a powder spraying room body, a plurality of through slots are formed in the inner side of the powder spraying room body, a plurality of air hoppers are connected to the outer side of the powder spraying room body, a collecting box is arranged on one side of the powder spraying room body, a wind pipe is connected between the collecting box and the plurality of air hoppers, a blocking filter screen is arranged in the collecting box, two fixed plates are fixedly arranged on the inner side of the collecting box, a sliding rod is respectively arranged on each fixed plate, the lower end of the sliding rod is fixedly connected to the upper end of the blocking filter screen, a return spring is arranged on the sliding rod, the two ends of the return spring are connected between the upper end of the fixed plate and the top end of the sliding rod, two rotating shafts are arranged in the collecting box, a first rotating mechanism is arranged on one side of the collecting box and connected to the two rotating shafts, a cam is fixedly arranged on each rotating shaft, and the cam is located above the sliding rod, a first fan is installed on the top end of the collecting box, a filter element is arranged in the inner side of the powder spraying room body, a second fan is installed on the top end of the powder spraying room body, an adsorption pipe is connected to the lower end of the second fan, and the other end of the adsorption pipe is in communication with the inner cavity of the filter element, a collecting hopper is arranged below the filter element, a collecting pipe is connected to the lower end of the collecting hopper, the collecting pipe is inclined, one end of the collecting pipe penetrates the powder spraying room body, and the collecting pipe is in communication with the wind pipe, two cleaning brushes are attached to the outer side of the filter element, a second rotating mechanism is arranged in the inner side of the powder spraying room body, and the second rotating mechanism is connected to the two cleaning brushes.

[0007] Preferably, the first rotating mechanism comprises two sprockets, the two rotating shafts are arranged in the collecting box and are fixedly connected with the two sprockets respectively, a chain is arranged between the two sprockets, the rear side of the collecting box is provided with a first motor, the output shaft of the first motor penetrates through the collecting box and is fixedly connected with one of the rotating shafts.

[0008] Preferably, the second rotating mechanism comprises a second motor arranged on the top of the powder spraying room body, a driving wheel is arranged in the powder spraying room body, the output shaft of the second motor penetrates through the powder spraying room body and is fixedly connected with the upper side of the driving wheel, a driven wheel is further arranged in the powder spraying room body, the driven wheel is a hollow structure, a hollow column is fixedly arranged on the inner top of the powder spraying room body, the driven wheel is rotatably connected with the hollow column, the adsorption pipe is located on the inner side of the hollow column and the driven wheel, and a belt is arranged between the driving wheel and the driven wheel.

[0009] Preferably, the lower side of the hollow column is fixedly provided with a convex ring, the inner side of the driven wheel is provided with a ring groove, and the convex ring is slidably arranged in the ring groove.

[0010] Preferably, the inner bottom of the powder spraying room body is fixedly provided with a placing table, and the lower side of the collecting box is provided with a detachable collecting drawer.

[0011] The utility model discloses the beneficial effects are:

[0012] 1. The first fan can generate negative pressure in the collecting box, and the powder particles in the powder spraying room body can be adsorbed to the through groove through the plurality of branch pipes, and then the powder particles can be adsorbed to the collecting box through the air pipe for collection, so that the powder particles can be recycled, and the recycling efficiency of the powder particles can be improved through the plurality of through grooves and air pipes.

[0013] 2. The first rotating mechanism can drive the two rotating shafts to rotate simultaneously, when the powder particles are adsorbed to the collecting box, the powder particles can be blocked by the blocking filter screen, the powder particles can be recycled through the filtering and blocking of the powder particles, the blocking filter screen can be moved up and down through the rotation of the two rotating shafts, when the more protruding side of the cam contacts the upper end of the sliding rod, the sliding rod can be moved downward through the continuous rotation of the cam, so as to drive the blocking filter screen to move downward, at this time, the return spring is extruded to generate elastic force, then when the more protruding side of the cam is separated from the sliding rod, the sliding rod can be driven to return to the initial position through the reset action of the return spring, so as to drive the blocking filter screen to move upward, and the powder particles adsorbed to the lower end of the blocking filter screen can be shaken off and collected through the repeated up-and-down shaking of the blocking filter screen.

[0014] 3. After a certain amount of powder particles accumulate on the barrier filter, they fall into the collection drawer under the combined action of repulsive force and gravity. They can also fall as the barrier filter shakes. Finally, the powder particles can be collected in the collection drawer. After the first fan stops running, the staff can pull out the collection drawer to process the powder particles.

[0015] 4. The second fan generates negative pressure within the filter element's inner cavity through the adsorption tube, adsorbing powder particles floating in the powder spraying booth body. This reduces the amount of suspended and adhered powder particles in the booth body during use. The second rotating mechanism drives two cleaning brushes to rotate simultaneously, brushing the outer surface of the filter element to remove powder particles. These particles then fall into the collection hopper for collection. Because the collection tube is inclined, the powder particles in the collection hopper can slide down the tube into the air duct and finally be adsorbed into the collection box for collection, further improving the powder particle recovery efficiency. Attached Figure Description

[0016] Fig. 1 This is a schematic diagram of the structure of an embodiment;

[0017] Fig. 2 This is a partial structural cross-sectional view of an embodiment;

[0018] Fig. 3 This is a schematic diagram of the internal structure of the collection box in the embodiment.

[0019] Reference numerals: 1. Powder spraying booth body; 2. Through channel; 3. Air hopper; 4. Collection box; 5. Air duct; 6. Barrier filter screen; 7. Fixing plate; 8. Slide rod; 9. Return spring; 10. Rotating shaft; 11. First rotating mechanism; 12. Cam; 13. First fan; 14. Filter element; 15. Second fan; 16. Adsorption tube; 17. Collection hopper; 18. Collection tube; 19. Cleaning brush; 20. Second rotating mechanism; 21. Sprocket; 22. Chain; 23. Second motor; 24. Drive wheel; 25. Driven wheel; 26. Hollow column; 27. Belt; 28. Convex ring; 29. ​​Ring groove; 30. Placement platform; 31. Collection drawer. Detailed Implementation

[0020] The following description is merely a preferred embodiment of this utility model, and the scope of protection is not limited to this embodiment. All technical solutions falling within the scope of this utility model's concept should be protected. Identical components are represented by the same reference numerals. It should be noted that the terms "front," "rear," "left," "right," "up," and "down" used in the following description refer to directions in the accompanying drawings, while the terms "bottom" and "top," "inner" and "outer" refer to directions toward or away from the geometric center of a specific component.

[0021] As Figs. 1 to 3 shown, an automatic powder collecting device of a powder spraying room, comprising a powder spraying room body 1, a plurality of through grooves 2 are arranged on the inner side of the powder spraying room body 1, a plurality of air hoods 3 are connected to the outer side of the powder spraying room body 1, a collecting box 4 is arranged on one side of the powder spraying room body 1, a wind pipe 5 is connected between the collecting box 4 and the plurality of air hoods 3, a first fan 13 is installed at the top end of the collecting box 4, a negative pressure can be generated in the collecting box 4 through the working of the first fan 13, and the powder particles in the powder spraying room body 1 can be adsorbed to the through grooves 2 through a plurality of branch pipes, and then the powder particles can be adsorbed into the collecting box 4 through the wind pipe 5 for collection, so as to recycle the powder particles, and at the same time, the recycling efficiency of the powder particles can be improved through the arrangement of the plurality of through grooves 2 and the wind pipe 5.

[0022] Two rotating shafts 10 are arranged in the collecting box 4, a first rotating mechanism 11 is arranged on one side of the collecting box 4, and the first rotating mechanism 11 is connected with the two rotating shafts 10, the two rotating shafts 10 can be driven to rotate simultaneously through the first rotating mechanism 11, the first rotating mechanism 11 comprises two sprockets 21, the two rotating shafts 10 are arranged in the collecting box 4 and are fixedly connected with the two sprockets 21 respectively, a chain 22 is sleeved between the two sprockets 21, a first motor (not shown in the figure) is installed at the rear side of the collecting box 4, an output shaft of the first motor is arranged in the collecting box 4 and is fixedly connected with one of the rotating shafts 10, one of the rotating shafts 10 can be driven to rotate through the rotation of the first motor, so as to drive one of the sprockets 21 to rotate, then the other sprocket 21 and the rotating shaft 10 can be driven to rotate through the chain 22, and finally the two rotating shafts 10 can be driven to rotate simultaneously.

[0023] The collecting box 4 is provided with a blocking filter screen 6, the inner side of the collecting box 4 is fixedly provided with two fixed plates 7, each fixed plate 7 is provided with a sliding rod 8, the lower end of the sliding rod 8 is fixedly connected with the upper end of the blocking filter screen 6, a reset spring 9 is arranged on the sliding rod 8, and the two ends of the reset spring 9 are connected between the upper end of the fixed plate 7 and the top end of the sliding rod 8, each rotating shaft 10 is fixedly provided with a cam 12, and the cam 12 is located above the sliding rod 8, when the powder particles are adsorbed into the collecting box 4, the powder particles can be blocked by the blocking filter screen 6, so as to prevent the powder particles from entering the first fan 13 and causing damage to the first fan 13, and the powder particles can be recycled by filtering and blocking, while the powder particles are filtered and blocked by the blocking filter screen 6, the two rotating shafts 10 can drive the plurality of cams 12 to rotate at the same time, when the side, which is more protruding, of the cam 12 is in contact with the upper end of the sliding rod 8, with the continuous rotation of the cam 12, the sliding rod 8 can be pushed down to move downwards, so as to drive the blocking filter screen 6 to move downwards, at this time, the reset spring 9 is extruded to generate elastic force, then with the continuous rotation of the cam 12, when the side, which is more protruding, of the cam 12 is separated from the sliding rod 8, the sliding rod 8 can be driven to return to the initial position by the reset action of the reset spring 9, so as to drive the blocking filter screen 6 to move upwards, and thus the blocking filter screen 6 can be shaken up and down repeatedly, so that the powder particles adsorbed on the lower end of the blocking filter screen 6 can be shaken off and collected.

[0024] The inner bottom of the powder spraying room body 1 is fixedly provided with a placing table 30, the lower side of the collecting box 4 is provided with a detachable collecting drawer 31, after the powder particles accumulate on the blocking filter screen 6 to a certain amount, the powder particles fall into the collecting drawer 31 under the joint action of the repulsive force and gravity, and can also fall down with the shaking of the blocking filter screen 6, finally the powder particles can be collected in the collecting drawer 31, then when the first fan 13 stops running, the worker can pull out the collecting drawer 31 to process the powder particles subsequently.

[0025] The inner side of the powder spraying room body 1 is provided with a filter element 14, the top end of the powder spraying room body 1 is provided with a second fan 15, the lower end of the second fan 15 is connected with an adsorption pipe 16, and the other end of the adsorption pipe 16 is connected with the inner cavity of the filter element 14, the negative pressure can be generated in the inner cavity of the filter element 14 through the adsorption pipe 16 by the working of the second fan 15, so that the powder particles floating in the powder spraying room body 1 can be adsorbed, so as to reduce the suspension amount and adhesion amount of the powder particles in the powder spraying room body 1 during use.

[0026] The lower part of the filter core 14 is provided with a collecting hopper 17, the lower end of the collecting hopper 17 is connected with a collecting pipe 18, the collecting pipe 18 is inclined, one end penetrates the powder spraying room body 1, and is communicated with the air pipe 5, the outer side of the filter core 14 is attached with two cleaning brushes 19, the inner side of the powder spraying room body 1 is provided with a second rotating mechanism 20, and the second rotating mechanism 20 is connected with the two cleaning brushes 19 respectively, the second rotating mechanism 20 can drive the two cleaning brushes 19 to rotate simultaneously, so that the outer surface of the filter core 14 can be brushed by the cleaning brushes 19, so as to brush off the powder particles on the filter core 14, so that the powder particles can fall into the collecting hopper 17 for collection, and since the collecting pipe 18 is inclined, the powder particles in the collecting hopper 17 can slide along the collecting pipe 18 to the air pipe 5, and finally can be adsorbed into the collecting box 4 for collection, further improving the recovery efficiency of the powder particles.

[0027] The second rotating mechanism 20 comprises a second motor 23 installed on the top of the powder spraying room body 1, a driving wheel 24 is arranged in the powder spraying room body 1, the output shaft of the second motor 23 penetrates the powder spraying room body 1, and is fixedly connected with the upper side of the driving wheel 24, a driven wheel 25 is also arranged in the powder spraying room body 1, the driven wheel 25 is a hollow structure, a hollow column 26 is fixedly arranged on the inner top of the powder spraying room body 1, and the driven wheel 25 is rotationally connected with the hollow column 26, the adsorption pipe 16 is located on the inner side of the hollow column 26 and the driven wheel 25, a belt 27 is sleeved between the driving wheel 24 and the driven wheel 25, the driving wheel 24 can be driven to rotate by the second motor 23, then the driven wheel 25 can be driven to rotate by the belt 27, and finally the two cleaning brushes 19 can be driven to rotate. The lower side of the hollow column 26 is fixedly provided with a convex ring 28, the inner side of the driven wheel 25 is provided with a ring groove 29, and the convex ring 28 is slidably embedded in the ring groove 29, the convex ring 28 embedded in the ring groove 29 can support and limit the driven wheel 25, and when the driven wheel 25 rotates, the ring groove 29 can slide along the convex ring 28.

[0028] The above specific embodiments further illustrate the technical problems, technical solutions and beneficial effects solved by the utility model, and it should be understood that the above description is only for specific embodiments of the utility model and is not used to limit the utility model, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. An automatic powder collecting device of a powder spraying room, characterized by comprising: The utility model relates to a powder spraying room, including the powder spraying room body (1), the inside of powder spraying room body (1) is opened with a plurality of through slots (2), the outside of powder spraying room body (1) is connected with a plurality of air scoops (3), one side of powder spraying room body (1) is provided with collection box (4), the wind pipe (5) is connected between collection box (4) and a plurality of air scoops (3), the inside of collection box (4) is equipped with the barrier filter screen (6), the inside of collection box (4) is fixed with two fixed plates (7), the sliding rod (8) is respectively threaded on each fixed plate (7), and the lower end of sliding rod (8) is fixedly connected with the upper end of barrier filter screen (6), the reset spring (9) is threaded on the sliding rod (8), and the two ends of reset spring (9) are connected between the upper end of fixed plate (7) and the top end of sliding rod (8), two rotating shafts (10) are threaded in collection box (4), one side of collection box (4) is equipped with first rotating mechanism (11), and first rotating mechanism (11) is connected with two rotating shafts (10), the cam (12) is fixedly equipped on each rotating shaft (10) respectively, and the cam (12) is located above the sliding rod (8), the first fan (13) is installed at the top of collection box (4), the filter core (14) is arranged in the inside of powder spraying room body (1), the second fan (15) is installed at the top of powder spraying room body (1), the lower end of second fan (15) is connected with adsorption pipe (16), and the other end of adsorption pipe (16) is communicated with the inner chamber of filter core (14), the collecting hopper (17) is arranged below filter core (14), the collecting pipe (18) is connected to the lower end of collecting hopper (17), the collecting pipe (18) is inclined, one end is threaded in powder spraying room body (1), and is communicated with wind pipe (5), the outer side of filter core (14) is attached to two cleaning brushes (19), the second rotating mechanism (20) is arranged in the inside of powder spraying room body (1), and the second rotating mechanism (20) is connected with two cleaning brushes (19) respectively.

2. The automatic powder collecting device of a powder spraying room according to claim 1, wherein, The first rotating mechanism (11) includes two sprockets (21), two rotating shafts (10) are threaded in collection box (4) and are fixedly connected with two sprockets (21) respectively, the chain (22) is sleeved between two sprockets (21), the rear side of collection box (4) is installed with first motor, the output shaft of first motor is threaded in collection box (4) and is fixedly connected with one rotating shaft (10).

3. The automatic powder collecting device of a powder spraying room according to claim 2, characterized in that, The second rotating mechanism (20) comprises a second motor (23) installed on the top of the powder spraying room body (1), a driving wheel (24) is arranged in the powder spraying room body (1), the output shaft of the second motor (23) penetrates the powder spraying room body (1) and is fixedly connected with the upper side of the driving wheel (24), a driven wheel (25) is further arranged in the powder spraying room body (1), the driven wheel (25) is a hollow structure, a hollow column (26) is fixedly arranged on the inner top of the powder spraying room body (1), the driven wheel (25) is rotatably connected with the hollow column (26), the adsorption pipe (16) is located on the inner side of the hollow column (26) and the driven wheel (25), and a belt (27) is sleeved between the driving wheel (24) and the driven wheel (25).

4. The automatic powder collecting device of a powder spraying room according to claim 3, characterized in that, The lower side of the hollow column (26) is fixedly provided with a convex ring (28), the inner side of the driven wheel (25) is provided with a ring groove (29), and the convex ring (28) is slidably embedded in the ring groove (29).

5. The automatic powder collecting device of a powder spraying room according to claim 4, wherein The inner bottom of the powder spraying room body (1) is fixedly provided with a placing table (30), and the lower side of the collecting box (4) is provided with a detachable collecting drawer (31).