Feeding device of electrostatic powder spraying system
By designing a feed device for powder electrostatic spraying system, including a crushing mixing mechanism and a vibrating screening mesh, the problem of spraying system blockage caused by the agglomeration of powder raw materials is solved, and efficient crushing and refining of powder is achieved to ensure the normal progress of spraying.
Patent Information
- Application Number
- CN202420578162.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-25
- Publication Date
- 2025-03-11
- Estimated Expiration
- 2034-03-25
AI Technical Summary
In the electrostatic powder spraying system, the powder raw materials are prone to agglomeration, resulting in the spraying work that cannot be carried out normally, and the pipes and spray guns are easily blocked.
A feeding device for a powder electrostatic spraying system is designed, including a feed hopper, a crushing and stirring mechanism, a vibrating screening mesh plate and a discharge assembly. The agglomerates are crushed by a pulverizing the screen plate to refine the powder, and the powder is fed to the storage tank through the discharge assembly.
It effectively avoids the problem of spraying system blockage caused by the agglomeration of powder raw materials, and realizes efficient crushing and refining of powder to ensure the normal progress of spraying.
Smart Images

Figure CN222586915U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of powder electrostatic spraying, in particular to a feeding device of a powder electrostatic spraying system. Background Art
[0002] Electrostatic spraying refers to a coating method that uses the principle of corona discharge to make the atomized paint negatively charged under the action of a high-voltage DC electric field, and then adsorbed on the surface of a positively charged substrate to discharge. Electrostatic spraying equipment consists of a spray gun, a spray cup, and an electrostatic spray high-voltage power supply.
[0003] Before the spraying work begins, the powder raw materials need to be put into the storage tank in the spraying system. Due to problems such as humid environment, it is inevitable that there will be lumps in the powder raw materials. If the powder lumps are not handled, the powder lumps will easily clog the pipes and spray guns during use, resulting in the inability to carry out the spraying work normally. Utility Model Content
[0004] In view of the deficiencies in the prior art, the utility model provides a feeding device for a powder electrostatic spraying system, which is used to solve the problems raised in the above background technology.
[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:
[0006] A feeding device for a powder electrostatic spraying system comprises a fixed box, a support column is fixedly connected to the surface of the fixed box, a top plate is fixedly connected to the top surface of the fixed box, a feed frame is fixedly connected to the inner wall of the top plate, a feed hopper is fixedly connected to the front of the feed frame, and the feed hopper is fixedly connected to the top surface of the top plate, a screening mesh plate is slidably connected to the inner wall of the fixed box, an elastic limiting mechanism is arranged inside the fixed box, a vibration assembly is arranged on the bottom surface of the screening mesh plate, a crushing and stirring mechanism is arranged on the top surface of the feed frame, and a discharge assembly is arranged inside the fixed box.
[0007] Preferably, the elastic limiting mechanism consists of a support plate, a limiting shaft, a limiting disk and a spring, the support plate is fixedly connected to the inner wall of the fixed box, the limiting shaft is fixedly connected to the top surface of the support plate, and the limiting shaft is slidably connected to the inner wall of the screening mesh, the limiting disk is fixedly connected to the top end of the limiting shaft, the spring is fixedly connected to the top surface of the support plate, and the spring is fixedly connected to the bottom surface of the screening mesh.
[0008] Preferably, the vibration assembly consists of a fixed ring and a vibration motor, the fixed ring is fixedly connected to the bottom surface of the screening mesh plate, and the vibration motor is fixedly connected to the inner wall of the fixed ring.
[0009] Preferably, the crushing and stirring mechanism consists of a servo motor, a rotating shaft, a crushing tool and a stirring rod. The servo motor is fixedly connected to the top surface of the feed frame, and the output end of the servo motor is rotatably connected to the inner wall of the feed frame. The rotating shaft is fixedly connected to the output end of the servo motor, the crushing tool is fixedly connected to the surface of the rotating shaft, and the stirring rod is fixedly connected to the surface of the rotating shaft.
[0010] Preferably, the discharge assembly consists of a discharge pipe and a solenoid valve, the discharge pipe is fixedly connected to the inner wall of the fixed box, and the solenoid valve is fixedly connected to the inner wall of the discharge pipe.
[0011] Preferably, the screening mesh plate is rectangular and is made of metal material.
[0012] Preferably, there are multiple support plates, and all of the multiple support plates are located inside the fixed box.
[0013] Compared with the prior art, the beneficial effects of the utility model are as follows: the feeding device of the powder electrostatic spraying system puts the powder raw material into a fixed box through a feeding hopper and a feeding frame, starts the crushing and stirring mechanism to crush and stir the powder lumps, starts the vibration component to cooperate with the elastic limit mechanism to drive the screening mesh plate to vibrate to screen and refine the powder, the screened powder falls to the bottom of the fixed box, the discharge component is connected to the spray storage tank, and the powder can be sent to the storage tank by opening the discharge component; the goal of facilitating the crushing and refining of the powder raw material is achieved, and the problem of clogging and inability to use the spray system normally due to the presence of lumps in the powder raw material is avoided. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 It is the structural survey drawing of the utility model;
[0015] Figure 2 It is a rear cross-sectional view of the structure of the utility model;
[0016] Figure 3 This is an enlarged view of the structure A of the utility model.
[0017] In the figure: 1. fixed box; 2. support column; 3. top plate; 4. feed frame; 5. feed hopper; 6. screening mesh plate; 7. support plate; 8. limit shaft; 9. limit disk; 10. spring; 11. fixed ring; 12. vibration motor; 13. servo motor; 14. rotating shaft; 15. crushing tool; 16. stirring rod; 17. discharge pipe; 18. solenoid valve. DETAILED DESCRIPTION
[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0019] Reference Figure 1-3A feeding device for a powder electrostatic spraying system comprises a fixed box 1, a support column 2 is fixedly connected to the surface of the fixed box 1, a top plate 3 is fixedly connected to the top surface of the fixed box 1, a feeding frame 4 is fixedly connected to the inner wall of the top plate 3, a feeding hopper 5 is fixedly connected to the front of the feeding frame 4, and the feeding hopper 5 is fixedly connected to the top surface of the top plate 3, a screening mesh plate 6 is slidably connected to the inner wall of the fixed box 1, the screening mesh plate 6 is rectangular, and the screening mesh plate 6 is made of metal material, the screening mesh plate 6 made of metal material has higher strength, is not easy to deform and damage after being stressed, and is more durable, an elastic limiting mechanism is arranged inside the fixed box 1, the elastic limiting mechanism is composed of a supporting plate 7, a limiting shaft 8, a limiting disk 9 and a spring 10, the number of the supporting plates 7 is multiple, and the multiple supporting plates 7 are multiple. The support plates 7 are all located inside the fixed box 1, and are used to support and fix the screening mesh plate 6, thereby improving the vibration stability. The support plate 7 is fixedly connected to the inner wall of the fixed box 1, the limiting shaft 8 is fixedly connected to the top surface of the support plate 7, and the limiting shaft 8 is slidably connected to the inner wall of the screening mesh plate 6, the limiting plate 9 is fixedly connected to the top of the limiting shaft 8, the spring 10 is fixedly connected to the top surface of the support plate 7, and the spring 10 is fixedly connected to the bottom surface of the screening mesh plate 6, which is used to limit and fix the screening mesh plate 6 and facilitate the auxiliary vibration of the screening mesh plate 6. A vibration component is provided on the bottom surface of the screening mesh plate 6, and the vibration component consists of a fixing ring 11 and a vibration motor 12. The fixing ring 11 is fixedly connected to the bottom surface of the screening mesh plate 6, and the vibration motor 12 is fixedly connected to the inner wall of the fixing ring 11 for driving The screening mesh plate 6 vibrates to facilitate the screening and refining of the powder. A crushing and stirring mechanism is arranged on the top surface of the feed frame 4, and the crushing and stirring mechanism is composed of a servo motor 13, a rotating shaft 14, a crushing tool 15 and a stirring rod 16. The servo motor 13 is fixedly connected to the top surface of the feed frame 4, and the output end of the servo motor 13 is rotatably connected to the inner wall of the feed frame 4, the rotating shaft 14 is fixedly connected to the output end of the servo motor 13, the crushing tool 15 is fixedly connected to the surface of the rotating shaft 14, and the stirring rod 16 is fixedly connected to the surface of the rotating shaft 14, which is used to crush and stir the powder raw materials to avoid agglomeration in the powder raw materials. A discharge assembly is arranged inside the fixed box 1, and the discharge assembly is composed of a discharge pipe 17 and a solenoid valve 18. The discharge pipe 17 is fixedly connected to the inner wall of the fixed box 1, and the solenoid valve 18 is fixedly connected to the inner wall of the discharge pipe 17, which is used to connect the storage tank to facilitate powder filling. The powder raw material is put into the fixed box 1 through the feed hopper 5 and the feed frame 4, and the crushing and stirring mechanism is started to crush and stir the powder lumps. The vibration component is started to cooperate with the elastic limit mechanism to drive the screening mesh plate 6 to vibrate to screen and refine the powder. The screened powder falls to the bottom of the fixed box 1, and the discharge component is connected to the spray storage tank. The powder can be sent into the storage tank by opening the discharge component, which achieves the goal of facilitating the crushing and refining of the powder raw material and avoids the problem of clogging and inability to use the spray system normally due to lumps in the powder raw material.
[0020] The electrical components mentioned in this article are all connected to an external main controller and 220V mains electricity, and the main controller can be a conventional known device for controlling a computer or the like.
[0021] During use: first, the powder raw material is put into the fixed box 1 through the feed hopper 5 and the feed frame 4, and at the same time, the servo motor 13 is started to drive the rotating shaft 14 to rotate along the inner wall of the feed frame 4, and the rotation of the rotating shaft 14 drives the crushing tool 15 and the stirring rod 16 to rotate, and the crushing tool 15 is used to crush the lumps in the powder raw material, and the stirring rod 16 is used to stir the powder raw material and disperse it on the screening mesh plate 6, and the vibration motor 12 is started to drive the screening mesh plate 6 to vibrate up and down along the surface of the limit shaft 8 through the fixed ring 11, and at the same time, the spring 10 is squeezed, and the rebound of the spring 10 assists the vibration of the screening mesh plate 6 to screen and refine the powder, and the screened powder falls to the bottom of the fixed box 1, and the discharge pipe 17 is connected to the spray storage tank, and the solenoid valve 18 is opened to send the powder into the storage tank.
[0022] To sum up, the feeding device of the powder electrostatic spraying system feeds the powder raw material into the fixed box 1 through the feeding hopper 5 and the feeding frame 4, starts the crushing and stirring mechanism to crush and stir the powder lumps, starts the vibration component to cooperate with the elastic limit mechanism to drive the screening mesh plate 6 to vibrate to screen and refine the powder, and the screened powder falls to the bottom of the fixed box 1, connects the discharge component to the spray storage tank, and opens the discharge component to send the powder into the storage tank, thereby achieving the goal of facilitating the crushing and refining of the powder raw material, avoiding the problem of clogging and inability to use the spray system normally due to the presence of lumps in the powder raw material, and is used to solve the problems raised in the above-mentioned background technology.
[0023] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.
[0024] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A feeding device for a powder electrostatic spraying system, comprising a fixed box (1), characterized in that: The surface of the fixed box (1) is fixedly connected to a support column (2), the top surface of the fixed box (1) is fixedly connected to a top plate (3), the inner wall of the top plate (3) is fixedly connected to a feed frame (4), the front of the feed frame (4) is fixedly connected to a feed hopper (5), and the feed hopper (5) is fixedly connected to the top surface of the top plate (3), the inner wall of the fixed box (1) is slidably connected to a screening mesh plate (6), an elastic limiting mechanism is arranged inside the fixed box (1), a vibration assembly is arranged on the bottom surface of the screening mesh plate (6), a crushing and stirring mechanism is arranged on the top surface of the feed frame (4), and a discharge assembly is arranged inside the fixed box (1).
2. The feeding device of a powder electrostatic spraying system according to claim 1, characterized in that: The elastic limiting mechanism is composed of a support plate (7), a limiting shaft (8), a limiting disk (9) and a spring (10); the support plate (7) is fixedly connected to the inner wall of the fixed box (1); the limiting shaft (8) is fixedly connected to the top surface of the support plate (7); the limiting shaft (8) is slidably connected to the inner wall of the screening mesh plate (6); the limiting disk (9) is fixedly connected to the top of the limiting shaft (8); the spring (10) is fixedly connected to the top surface of the support plate (7); and the spring (10) is fixedly connected to the bottom surface of the screening mesh plate (6).
3. The feeding device of a powder electrostatic spraying system according to claim 1, characterized in that: The vibration assembly consists of a fixed ring (11) and a vibration motor (12); the fixed ring (11) is fixedly connected to the bottom surface of the screening mesh plate (6); and the vibration motor (12) is fixedly connected to the inner wall of the fixed ring (11).
4. The feeding device of a powder electrostatic spraying system according to claim 1, characterized in that: The crushing and stirring mechanism is composed of a servo motor (13), a rotating shaft (14), a crushing tool (15) and a stirring rod (16); the servo motor (13) is fixedly connected to the top surface of the feed frame (4), and the output end of the servo motor (13) is rotatably connected to the inner wall of the feed frame (4); the rotating shaft (14) is fixedly connected to the output end of the servo motor (13); the crushing tool (15) is fixedly connected to the surface of the rotating shaft (14); and the stirring rod (16) is fixedly connected to the surface of the rotating shaft (14).
5. The feeding device of a powder electrostatic spraying system according to claim 1, characterized in that: The discharge assembly is composed of a discharge pipe (17) and a solenoid valve (18); the discharge pipe (17) is fixedly connected to the inner wall of the fixed box (1); and the solenoid valve (18) is fixedly connected to the inner wall of the discharge pipe (17).
6. The feeding device of a powder electrostatic spraying system according to claim 1, characterized in that: The screening mesh plate (6) is rectangular in shape and is made of metal material.
7. The feeding device of a powder electrostatic spraying system according to claim 2, characterized in that: There are multiple support plates (7), and the multiple support plates (7) are all located inside the fixed box (1).