Electrostatic coating agent spraying device

Abstract

The utility model discloses a coating agent electrostatic spraying device which comprises a spraying box, a feeding port and a discharging port are formed in the two sides of the spraying box respectively, two pairs of first supporting plates are symmetrically connected in the spraying box in a lifting mode, two pairs of second supporting plates are jointly fixed between the two pairs of first supporting plates, spraying pieces are arranged in one pair of first supporting plates, and spraying pieces are arranged in the other pair of first supporting plates. The spraying part is located on one side of the feeding port, a curing part is arranged in the other pair of first supporting plates and located on one side of the discharging port, a conveying part is telescopically connected into the spraying box and located between the two pairs of first supporting plates, the top face of the spraying box is fixedly connected with a storage box, the storage box communicates with the spraying part, and the top face of the storage box is fixedly connected with a supplementing valve. According to the coating agent spraying device, the spraying piece with the double spraying faces and the curing piece with the double curing faces are arranged in the spraying box, the upper face and the lower face of a workpiece can be sprayed at the same time when coating agent spraying is carried out on the workpiece, the upper face and the lower face of the workpiece do not need to be sprayed in batches, and then the spraying efficiency of the workpiece is improved.

Description

Technical Field

[0001] This utility model relates to the field of film-forming agent spraying technology, and in particular to an electrostatic spraying device for film-forming agents. Background Technology

[0002] Film-forming agents are film-forming materials used in industrial, agricultural, or medical fields. They form a thin film on the surface of an object, providing protection, isolation, repair, or other special functions. After the production of steel structure materials is completed, a film-forming agent needs to be applied to the surface of the steel structure material to protect it and prevent oxidation and rust.

[0003] Patent publication number CN217664210U discloses a durable thin-film coating agent application device, including a processing box. Both sides of the outer wall of the processing box have through-holes for placement. A discharge pipe is fixedly connected to the outer surface of the processing box, and a discharge valve is fixedly connected to the side wall of the discharge pipe. A guide roller is rotatably connected to the inner wall of the processing box. A support frame is fixedly connected to the top of the processing box, and a spraying assembly is connected to the top of the support frame. This invention uses a servo motor to drive the adjusting roller to rotate, causing the adjusting slider to move within the adjusting groove on the adjusting roller. The deflection thrust causes the connecting bracket to drive the connecting pipe on the connecting collar to move horizontally along the direction of the telescopic rod. This allows for uniform air blowing and fixing of the coating agent on the material surface, reducing the waiting time for the coating agent to cure. Furthermore, the uniform air blowing accelerates the curing of the coating agent, improving the overall performance.

[0004] However, this patent can only spray one side of the workpiece. When spraying the bottom side of the workpiece, a second spraying is required. It is not possible to spray both the top and bottom sides of the workpiece at the same time, which reduces the efficiency of the workpiece in coating agent spraying. Utility Model Content

[0005] The purpose of this invention is to address the shortcomings of existing technologies by proposing an electrostatic spraying device for coating agents.

[0006] To achieve the above objectives, the present invention adopts the following technical solution: an electrostatic spraying device for film-forming agents, comprising a spraying box, wherein an inlet and an outlet are respectively provided on both sides of the spraying box, two pairs of first support plates are symmetrically and vertically connected inside the spraying box, and two pairs of second support plates are fixed between the two pairs of first support plates, wherein a spraying component is provided in one pair of first support plates and the spraying component is located on one side of the inlet, and a curing component is provided in the other pair of first support plates and the curing component is located on one side of the outlet, a telescopically connected conveyor is provided inside the spraying box and the conveyor is located between the two pairs of first support plates, a storage box is fixedly connected to the top surface of the spraying box, the storage box is connected to the spraying component, and a replenishment valve is fixedly connected to the top surface of the storage box.

[0007] As a further description of the above technical solution: the conveyor includes two U-shaped plates that are symmetrically telescopically connected inside the spray box. Each U-shaped plate is provided with a conveyor belt. Multiple guide rods are slidably passed through the side wall of the spray box. The end of the guide rod is fixedly connected to a limiting block. The guide rod is fixedly connected to the U-shaped plate. A first spring is sleeved on the outer edge of the guide rod.

[0008] As a further description of the above technical solution: the spraying component includes a first hollow block fixedly connected to two first support plates near the feed inlet. Multiple nozzles are fixedly connected to the opposite surfaces of the two first hollow blocks. The nozzles communicate with the first hollow blocks through a first valve body. A first flexible hose is horizontally fixed to one side of each of the two first hollow blocks. A first diverter pipe is fixed to the ends of the two first flexible hoses. A conveying pipe is fixedly connected to the end of the first diverter pipe. The conveying pipe is fixedly connected through the side wall of the spraying box and fixedly connected to the storage box. A water pump is provided inside the storage box. The output end of the water pump is fixedly connected to the end of the conveying pipe.

[0009] As a further description of the above technical solution: the curing component includes a second hollow block slidably connected within two first support plates near the discharge port. Multiple air outlet pipes are fixed to the opposite faces of the two second hollow blocks. The air outlet pipes communicate with the second hollow blocks via a second valve body. A second flexible hose is fixedly connected to one side of each of the two second hollow blocks. A second diverter pipe is fixedly connected to the ends of the two second flexible hoses. An air inlet pipe is fixedly connected to the end of the second diverter pipe. The air inlet pipe is fixedly connected through the side wall of the spray box. A fan is fixedly connected to the outside of the spray box. The output end of the fan communicates with the inlet of the air inlet pipe. A support member is fixedly fixed between the two second hollow blocks. A driving member is fixedly connected to the side of the support member. The driving member slidably passes through the spray box and is fixedly connected to the outside of the spray box.

[0010] As a further description of the above technical solution: the support member includes sliding plates that are slidably connected to the opposite surfaces of the first support plate, the sliding plates are fixedly connected to the second hollow block, a telescopic rod is vertically fixed to the opposite surfaces of the two sliding plates, the ends of the two telescopic rods are jointly fixed to a support block, and the driving member is fixedly connected to the support block.

[0011] As a further description of the above technical solution: the driving component includes a housing fixed outside the spray box, a rotating shaft rotatably connected inside the housing, a drive motor fixedly connected outside the housing, the output end of the drive motor being drivenly connected to the end of the rotating shaft, a cam fixedly sleeved on the outer edge of the rotating shaft, the outer edge of the cam abutting a push plate, the push plate being slidably connected inside the housing, a push rod horizontally fixed on the side of the push plate, a second spring sleeved on the outer edge of the push rod, the push rod slidingly penetrating the housing and being fixedly connected to the support block.

[0012] As a further description of the above technical solution: One end of each pair of first support plates passes through a threaded hole, the threads of the two threaded holes have opposite directions, and a screw is threaded into the common thread of the two threaded holes. The bottom end of the screw is rotatably connected to the bottom wall of the spray box, and the top end of the screw rotatably passes through the top wall of the spray box. A lead screw motor is vertically fixed to the top surface of the spray box, and the output end of the lead screw motor is connected to the top end of the screw. Two pairs of sliding grooves are symmetrically provided on the inner wall of the spray box, and a slider is slidably connected in each groove. The slider is fixedly connected to the second support plate.

[0013] This utility model has the following beneficial effects:

[0014] Compared with existing technologies, this electrostatic spraying device for film coating improves the spraying efficiency by setting up spraying and curing parts with double spraying and curing surfaces in the spraying box. This allows for simultaneous spraying of both the upper and lower surfaces of the workpiece during film coating, eliminating the need for separate spraying of the upper and lower surfaces. Attached Figure Description

[0015] Figure 1 This is a three-dimensional view of the overall structure of the electrostatic spraying device for film-forming agents proposed in this utility model.

[0016] Figure 2 A three-dimensional view of the internal structure of the spray box of the electrostatic spraying device for film-forming agents proposed in this utility model;

[0017] Figure 3 This is a rear view of the internal structure of the spray box of the electrostatic spraying device for coating agents proposed in this utility model.

[0018] Legend:

[0019] 1. Spraying box; 2. Storage box; 3. Conveying pipe; 4. Limiting block; 5. Fan; 6. Replenishing valve; 7. Screw motor; 8. Screw; 9. First support plate; 10. Threaded hole; 11. First hollow block; 12. Spray nozzle; 13. First flexible hose; 14. First diverter pipe; 15. Second support plate; 16. Guide rod; 17. First spring; 18. Air inlet pipe; 19. Second diverter pipe; 20. Second hollow block; 21. Air outlet pipe; 22. Support block; 23. Telescopic rod; 24. Conveyor belt; 25. U-shaped plate; 26. Chassis; 27. Slider; 28. Drive motor; 29. ​​Slide plate; 30. Second flexible hose. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0021] Reference Figures 1 to 3 The electrostatic spraying device for coating agents provided by this utility model includes a spray box 1, with an inlet and an outlet on both sides of the spray box 1. Two pairs of first support plates 9 are symmetrically and vertically connected inside the spray box 1. One end of each pair of first support plates 9 passes through a threaded hole 10. The threads of the two threaded holes 10 have opposite directions. A screw 8 is threaded into the two threaded holes 10. The bottom end of the screw 8 is rotatably connected to the bottom wall of the spray box 1, and the top end of the screw 8 rotatably passes through the top wall of the spray box 1. A lead screw motor 7 is vertically fixed to the top surface of the spray box 1. The output end of the lead screw motor 7 is connected to the top end of the screw 8 for transmission. The inner wall of the coating box 1 is symmetrically provided with two pairs of sliding grooves. Each sliding groove is slidably connected to a slider 27. The slider 27 is fixedly connected to the second support plate 15. The two pairs of first support plates 9 are jointly fixed to the two pairs of second support plates 15. One pair of first support plates 9 is provided with a spraying component located on the side of the inlet. The other pair of first support plates 9 is provided with a curing component located on the side of the outlet. The coating box 1 is telescopically connected to a conveyor, which is located between the two pairs of first support plates 9. The top surface of the coating box 1 is fixedly connected to a storage box 2, which is connected to the spraying component. The top surface of the storage box 2 is fixedly connected to a replenishment valve 6.

[0022] The spraying component includes a first hollow block 11 fixedly connected to two first support plates 9 near the feed inlet. Multiple nozzles 12 are fixedly connected to the opposite sides of the two first hollow blocks 11. The nozzles 12 are connected to the first hollow blocks 11 through a first valve body. A first hose 13 is fixed horizontally to one side of each of the two first hollow blocks 11. A first diverter pipe 14 is fixed to the ends of the two first hoses 13. A conveying pipe 3 is fixedly connected to the end of the first diverter pipe 14. The conveying pipe 3 is fixedly connected through the side wall of the spraying box 1 and is fixedly connected to the storage box 2. A water pump is provided in the storage box 2. The output end of the water pump is fixedly connected to the end of the conveying pipe 3.

[0023] The curing component includes two hollow blocks 20 slidably connected within two first support plates 9 near the discharge port. Multiple air outlet pipes 21 are fixed to the opposite faces of the two hollow blocks 20, and the air outlet pipes 21 communicate with the hollow blocks 20 via a second valve body. A second flexible hose 30 is fixedly connected to one side of each of the two hollow blocks 20. A second diverter pipe 19 is fixedly fixed to the ends of the two flexible hoses 30. An air inlet pipe 18 is fixedly connected to the end of the second diverter pipe 19, and the air inlet pipe 18 is fixedly connected through the side wall of the spray box 1. A fan is fixedly connected to the outside of the spray box 1. 5. The output end of the fan 5 is connected to the inlet of the air inlet pipe 18. A support member is fixed between the two second hollow blocks 20. A drive member is fixedly connected to the side of the support member. The drive member slides through the spray box 1 and is fixedly connected to the outside of the spray box 1. The support member includes a slide plate 29 that is slidably connected to the opposite side of the first support plate 9. The slide plate 29 is fixedly connected to the second hollow block 20. A telescopic rod 23 is vertically fixed to the opposite side of the two slide plates 29. A support block 22 is fixed to the end of the two telescopic rods 23. The drive member is fixedly connected to the support block 22.

[0024] The driving component includes a housing 26 fixed outside the spray box 1, a rotating shaft rotatably connected inside the housing 26, a drive motor 28 fixedly connected outside the housing 26, the output end of the drive motor 28 being connected to the end of the rotating shaft, a cam fixedly sleeved on the outer edge of the rotating shaft, the outer edge of the cam being in contact with a push plate, the push plate being slidably connected inside the housing 26, a push rod horizontally fixed on the side of the push plate, a second spring sleeved on the outer edge of the push rod, the push rod slidingly passing through the housing 26 and being fixedly connected to the support block 22;

[0025] The conveyor includes two symmetrically telescopically connected U-shaped plates 25 inside the spray box 1. Each U-shaped plate 25 is equipped with a conveyor belt 24. Multiple guide rods 16 are slidably distributed through the side wall of the spray box 1. The end of the guide rod 16 is fixedly connected to the limiting block 4. The guide rod 16 is fixedly connected to the U-shaped plate 25. A first spring 17 is sleeved on the outer edge of the guide rod 16.

[0026] By setting up a spraying part and a curing part with double spraying surface and double curing surface in the spraying box 1, it is convenient to spray both the upper and lower surfaces of the workpiece at the same time when spraying the film agent, so that the upper and lower surfaces of the workpiece are sprayed in separate times, thereby improving the spraying efficiency of the workpiece.

[0027] Working principle: In use, the coating agent is injected into the storage tank 2 through the replenishment valve 6. Then, the workpiece to be coated is placed into the spraying box 1 through the feed port. The conveyor belt 24 in the spraying box 1, under the elastic guidance of the guide rod 16 on the back of the U-shaped plate 25 and the first spring 17, clamps and supports the workpiece entering the spraying box 1. Then, the lead screw motor 7 drives the screw 8 to rotate. When the screw 8 rotates, it drives the first support plate 9 with the opposite thread direction of the threaded hole 10 to move relative to each other. The first support plate 9 drives the first hollow block 11 and the second hollow block 2 to move. The system moves relative to the workpiece to adjust the spraying distance. Once the appropriate height is reached, the water pump extracts the film-forming agent from the storage tank 2 and sends it through the delivery pipe 3 to the first diversion pipe 14. The film-forming agent entering the first diversion pipe 14 is then sent through two first hoses 13 to two first hollow blocks 11. The first valve in the first hollow block 11 opens, and the film-forming agent entering the first hollow block 11 is sprayed onto the upper and lower surfaces of the workpiece through the nozzle 12. Simultaneously, the conveyor belt 24 transports the workpiece to one side of the cured part, and the fan 5 starts, blowing external... Air is delivered to the second diversion pipe 19 through the air inlet pipe 18. The air entering the second diversion pipe 19 then enters the two second hollow blocks 20 through two second hoses 30. Simultaneously, the second valve body opens, and the air in the two second hollow blocks 20 is discharged through the air outlet pipe 21. The air blown out by the air outlet pipe 21 cures the film coating on the workpiece that has moved between the two second hollow blocks 20. At the same time, the drive motor 28 drives the rotating shaft to rotate, which in turn drives the cam to rotate. The cam, through the second spring and the push plate, drives the push rod to reciprocate. The support block 22 and the slide plate 29 drive the two second hollow blocks 20 to reciprocate, and the two second hollow blocks 20 drive the air outlet 21 to reciprocate, so that the air outlet 21 can blow evenly onto the film coating on the surface of the workpiece, making the film coating more uniform and sufficient. After the workpiece is sprayed and cured, it leaves the spray box 1 through the discharge port, which makes it convenient to spray both the top and bottom surfaces of the workpiece at the same time when spraying the film coating, without having to spray the top and bottom surfaces of the workpiece in separate times, thereby improving the spraying efficiency of the workpiece.

[0028] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. An electrostatic spraying device for coating agents, comprising a spraying box (1), wherein the spraying box (1) is provided with an inlet and an outlet on both sides, characterized in that: The spray box (1) is symmetrically connected to two pairs of first support plates (9) in a lifting manner. Two pairs of second support plates (15) are fixed together between the two pairs of first support plates (9). One pair of first support plates (9) is provided with a spraying component, which is located on one side of the feed port. The other pair of first support plates (9) is provided with a curing component. The cured component is located on one side of the discharge port, and the conveyor is telescopically connected inside the spray box (1). The conveyor is located between the two pairs of the first support plates (9). The top surface of the spray box (1) is fixedly connected to the storage box (2), the storage box (2) is connected to the sprayed part, and the top surface of the storage box (2) is fixedly connected to the replenishment valve (6).

2. The electrostatic spraying device for film-forming agents according to claim 1, characterized in that: The conveyor includes two symmetrically telescopically connected U-shaped plates (25) inside the spray box (1). Each U-shaped plate (25) is provided with a conveyor belt (24). Multiple equally spaced guide rods (16) slide through the side wall of the spray box (1). The end of the guide rod (16) is fixedly connected to a limiting block (4). The guide rod (16) is fixedly connected to the U-shaped plate (25). A first spring (17) is sleeved on the outer edge of the guide rod (16).

3. The electrostatic spraying device for coating agents according to claim 1, characterized in that: The spraying component includes a first hollow block (11) fixedly connected to two first support plates (9) near the feed inlet. Multiple nozzles (12) are fixedly connected to the opposite sides of the two first hollow blocks (11). The nozzles (12) are connected to the first hollow blocks (11) through a first valve body. A first hose (13) is fixed horizontally on one side of each of the two first hollow blocks (11). A first diverter pipe (14) is fixedly connected to the ends of the two first hoses (13). A delivery pipe (3) is fixedly connected to the end of the first diverter pipe (14). The delivery pipe (3) is fixedly connected through the side wall of the spraying box (1) and fixedly connected to the storage box (2). A water pump is provided in the storage box (2). The output end of the water pump is fixedly connected to the end of the delivery pipe (3).

4. The electrostatic spraying device for coating agents according to claim 1, characterized in that: The curing component includes two hollow blocks (20) slidably connected within two first support plates (9) near the discharge port. Multiple air outlet pipes (21) are fixed to the opposite faces of the two hollow blocks (20). The air outlet pipes (21) communicate with the hollow blocks (20) via a second valve body. A second flexible hose (30) is fixedly connected to one side of each of the two hollow blocks (20). The ends of the two flexible hoses (30) are jointly fixed to a second diverter pipe (19). The end of the second diversion pipe (19) is fixedly connected to the air inlet pipe (18), which is fixedly connected through the side wall of the spray box (1). The outside of the spray box (1) is fixedly connected to the fan (5), and the output end of the fan (5) is connected to the inlet of the air inlet pipe (18). A support member is fixedly fixed between the two second hollow blocks (20). A drive member is fixedly connected to the side of the support member. The drive member slides through the spray box (1) and is fixedly connected to the outside of the spray box (1).

5. The electrostatic spraying device for coating agents according to claim 4, characterized in that: The support includes a sliding plate (29) that is slidably connected to the opposite side of the first support plate (9). The sliding plate (29) is fixedly connected to the second hollow block (20). A telescopic rod (23) is vertically fixed to the opposite side of each of the two sliding plates (29). The ends of the two telescopic rods (23) are jointly fixed to a support block (22). The drive is fixedly connected to the support block (22).

6. The electrostatic spraying device for film-forming agents according to claim 5, characterized in that: The driving component includes a housing (26) fixed outside the spray box (1), a rotating shaft is rotatably connected inside the housing (26), a drive motor (28) is fixedly connected to the outside of the housing (26), the output end of the drive motor (28) is connected to the end of the rotating shaft, a cam is fixedly sleeved on the outer edge of the rotating shaft, the outer edge of the cam is attached to a push plate, the push plate is slidably connected inside the housing (26), a push rod is horizontally fixed on the side of the push plate, a second spring is sleeved on the outer edge of the push rod, the push rod slides through the housing (26) and is fixedly connected to the support block (22).

7. The electrostatic spraying device for coating agents according to claim 1, characterized in that: One end of each pair of first support plates (9) is threaded through a threaded hole (10). The threads of the two threaded holes (10) are opposite in direction. A screw (8) is threaded in both threaded holes (10). The bottom end of the screw (8) is rotatably connected to the bottom wall of the spray box (1). The top end of the screw (8) rotatably passes through the top wall of the spray box (1). A lead screw motor (7) is vertically fixed on the top surface of the spray box (1). The output end of the lead screw motor (7) is connected to the top end of the screw (8). Two pairs of sliding grooves are symmetrically provided on the inner wall of the spray box (1). A slider (27) is slidably connected in each sliding groove. The slider (27) is fixedly connected to the second support plate (15).

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