Powder coating grinding and screening device

Abstract

The utility model discloses a powder coating grinding and screening device, and relates to the technical field of powder coating processing. The device comprises a treatment box, wherein a feeding hole is formed in the top of the treatment box. The driving motor is started to drive the rotating rod to rotate, the rotating rod drives the grinding block to rotate in the grinding disc, the powder coating grinding function is achieved, the rotating rod drives the first belt wheel to rotate while rotating, the first belt wheel drives the second belt wheel to rotate through the belt, and the second belt wheel drives the worm to rotate. The worm drives the worm wheel to rotate, the worm wheel drives the rotating shaft to rotate, the rotating shaft drives the cam to rotate, the cam jacks up the first screening plate and the second screening plate in the rotating process, the cam continuously rotates to drive the first screening plate and the second screening plate to do reciprocating vertical motion, and therefore the ground powder coating is screened. According to the utility model, a group of driving motors are utilized to achieve the function of completing grinding and screening together, so that the use cost is effectively saved.

Description

Technical Field

[0001] The utility model belongs to the technical field of powder coating processing, in particular to a powder coating grinding and screening device. Background Art

[0002] Powder coating grinding and screening equipment is a device used to process powder coatings. Its main function is to grind and screen powder coatings to ensure the uniformity of its particles and the appropriate particle size distribution. This device can refine and grade the powder to the required particle size range in order to obtain consistent coating effects and performance in the coatings industry.

[0003] In the prior art, most powder coating grinding and screening devices perform grinding and screening separately. Separate work requires multiple power sources. The more power sources, the higher the cost of use, and the failure rate of the equipment is easily increased, which ultimately leads to unsatisfactory use results.

[0004] To this end, we provide a powder coating grinding and screening device to solve the above problems. Utility Model Content

[0005] The purpose of the utility model is to provide a powder coating grinding and screening device, which solves the problem of high use cost of the powder coating grinding and screening device in the prior art through the cooperation of the grinding component and the screening component.

[0006] In order to solve the above technical problems, the present invention is achieved through the following technical solutions:

[0007] The utility model is a powder coating grinding and screening device, comprising a processing box, a feeding port is provided on the top of the processing box, a discharging port is provided on both sides of the processing box, and a discharge port is provided on the bottom of the front of the processing box;

[0008] A grinding assembly is provided at the top of the inner cavity of the processing box, and the grinding assembly includes a grinding disc, which is fixedly installed at the top of the inner cavity of the processing box. A driving motor is fixedly connected to the center of the top of the processing box, and a rotating rod is fixedly connected to the output end of the driving motor. The bottom of the rotating rod extends into the interior of the processing box and is fixedly connected to a grinding block. The bottom of the grinding disc is connected to a discharge pipe;

[0009] A screening assembly is provided at the bottom of the inner cavity of the processing box, and the screening assembly includes screening plate 1 and screening plate 2. The screening plate 1 and screening plate 2 are both slidably connected to the inside of the processing box, and a worm is rotatably connected to one side of the top of the inner cavity of the processing box through a bearing seat, and a pulley 1 is fixedly connected to the surface of the rotating rod, and a pulley 2 is fixedly connected to the top of the worm surface. The pulley 1 and the pulley 2 are connected by a belt transmission, and worm wheels are meshed with worm wheels at the top and bottom of one side of the worm, and a rotating shaft is fixedly connected at the center of the worm wheel. Cams are fixedly connected to the bottom of screening plate 1 and screening plate 2 respectively.

[0010] The utility model is further configured such that placement grooves are provided on both sides of the inner cavity of the processing box, a spring is fixedly connected to the bottom of the inner cavity of the placement groove, the top of the spring extends to the outside of the placement groove and is fixedly connected to the bottom of the screen plate one and the screen plate two respectively.

[0011] The present invention is further configured such that a controller is fixedly connected to the top of the front side of the processing box, and the controller is electrically connected to the driving motor via a connecting line.

[0012] The present invention is further configured such that the first screen plate is arranged on the top of the second screen plate, and the aperture of the first screen plate is larger than the aperture of the second screen plate.

[0013] The utility model is further configured such that the surface of the discharge pipe is connected to a control valve, which is a solenoid valve.

[0014] The present invention is further configured such that the feed opening is in the form of two semicircles, and is symmetrically arranged on both sides of the driving motor.

[0015] The utility model is further configured such that the top and bottom of the worm are both rotatably connected to the inner wall of the processing box through a bearing seat, and both ends of the rotating shaft are rotatably connected to the inner wall of the processing box through a bearing seat.

[0016] The present invention is further configured such that the diameter of the grinding disc is greater than the width of the processing box, and the grinding disc can be stably fixed on the top of the inner cavity of the processing box.

[0017] The utility model has the following beneficial effects:

[0018] The utility model starts the driving motor to drive the rotating rod to rotate, and the rotating rod drives the grinding block to rotate inside the grinding disc to achieve the function of grinding the powder coating. The rotating rod will drive pulley one to rotate when it rotates, and pulley one drives pulley two to rotate through the belt, and pulley two drives the worm to rotate, and the worm drives the worm wheel to rotate, and the worm wheel drives the rotating shaft to rotate, and the rotating shaft drives the cam to rotate. The cam lifts the screening plate one and the screening plate two during the rotation process, and the continuous rotation of the cam can drive the screening plate one and the screening plate two to perform reciprocating vertical movement, so as to screen the ground powder coating. The utility model uses a group of driving motors to achieve the functions of grinding and screening, which effectively saves the use cost.

[0019] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following briefly introduces the drawings required for describing the embodiments.

[0021] Figure 1 This is a three-dimensional diagram of the overall structure of a powder coating grinding and screening device;

[0022] Figure 2 This is a diagram of the internal structure of a processing box in a powder coating grinding and screening device;

[0023] Figure 3 A partial cross-sectional view of a processing box in a powder coating grinding and screening device;

[0024] Figure 4 for Figure 3 A magnified schematic diagram of the local structure at point A;

[0025] Figure 5 This is a schematic diagram of the partial structural connection of a powder coating grinding and screening device;

[0026] Figure 6 This is a bottom view of the grinding disc in a powder coating grinding and screening device.

[0027] In the attached figure: 1. Processing box; 2. Feed port; 3. Discharge port; 4. Feeding port; 5. Grinding disc; 6. Driving motor; 7. Rotating rod; 8. Grinding block; 9. Discharge pipe; 10. Screening plate 1; 11. Screening plate 2; 12. Worm; 13. Pulley 1; 14. Pulley 2; 15. Worm gear; 16. Rotating shaft; 17. Cam; 18. Placement slot; 19. Spring; 20. Controller. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the present invention will be described below in conjunction with the drawings in the embodiments of the present invention. The described embodiments are only part of the embodiments of the present invention, rather than all the embodiments. Specific embodiment 1

[0030] See also Figure 1-6 The utility model is a powder coating grinding and screening device, including a processing box 1, a feeding port 2 is provided on the top of the processing box 1, a discharging port 3 is provided on both sides of the processing box 1, and a discharge port 4 is provided on the bottom of the front of the processing box 1; a grinding assembly is provided on the top of the inner cavity of the processing box 1, and the grinding assembly includes a grinding disc 5, which is fixedly installed on the top of the inner cavity of the processing box 1. A driving motor 6 is fixedly connected to the center of the top of the processing box 1, and a rotating rod 7 is fixedly connected to the output end of the driving motor 6. The bottom of the rotating rod 7 extends to the inside of the processing box 1 and is fixedly connected to a grinding block 8. The bottom of the grinding disc 5 is connected to a discharge pipe 9; a screening assembly is provided at the bottom of the inner cavity of the processing box 1, and the screening The component includes a screen plate 10 and a screen plate 2 11, which are both slidably connected to the inside of the processing box 1. A worm 12 is rotatably connected to one side of the top of the inner cavity of the processing box 1 through a bearing seat. A pulley 13 is fixedly connected to the surface of the rotating rod 7, and a pulley 2 14 is fixedly connected to the top of the surface of the worm 12. The pulley 13 and the pulley 2 14 are connected by a belt transmission. A worm wheel 15 is meshed with the top and bottom of one side of the worm 12. A rotating shaft 16 is fixedly connected to the center of the worm wheel 15, and cams 17 are fixedly connected to both sides of the surface of the rotating shaft 16. The cams 17 are respectively arranged on the bottom of the screen plate 10 and the bottom of the screen plate 2 11.

[0031] Specifically: the feed port 2 is designed as two groups of semicircles, which can facilitate feeding without affecting the normal operation of the drive motor 6. The discharge port 3 is opened at the bottom of both sides of the processing box 1, and there are four of them. The grinding disc 5 is circular and stably fixed on the top of the inner cavity of the processing box 1, which can complete normal grinding work. A conical groove is opened inside the grinding disc 5 to facilitate the grinding work with the conical grinding block 8. The diameters of the screen plate 10 and the screen plate 2 11 are different, which is convenient for multi-stage screening. The top and bottom of the worm 12 are rotatably connected to the inner wall of the processing box 1 through the bearing seat to ensure stability during rotation. Both ends of the rotating shaft 16 are rotatably connected to the inner wall of the processing box 1 through the bearing seat to ensure stability during rotation. There are four cams 17, which are equally divided into two groups. Specific embodiment 2

[0033] See also Figure 1-6On the basis of the first specific embodiment, placement grooves 18 are provided on both sides of the inner cavity of the processing box 1, and a spring 19 is fixedly connected to the bottom of the inner cavity of the placement groove 18. The top of the spring 19 extends to the outside of the placement groove 18 and is fixedly connected to the bottom of the screen plate 10 and the screen plate 2 11 respectively. A controller 20 is fixedly connected to the top of the front of the processing box 1, and the controller 20 is electrically connected to the drive motor 6 through a connecting line. The screen plate 10 is arranged on the top of the screen plate 2 11, and the aperture of the screen plate 10 is larger than the aperture of the screen plate 2 11. A control valve is connected to the surface of the discharge pipe 9, and the control valve is an electromagnetic valve. The feed port 2 is two semicircles and is symmetrically opened on both sides of the drive motor 6. The top and bottom of the worm 12 are rotatably connected to the inner wall of the processing box 1 through a bearing seat, and both ends of the rotating shaft 16 are rotatably connected to the inner wall of the processing box 1 through a bearing seat. The diameter of the grinding disc 5 is larger than the width of the processing box 1 and can be stably fixed on the top of the inner cavity of the processing box 1.

[0034] Specifically: there are four placement slots 18, and springs 19 are placed inside the four placement slots 18. Through the setting of the springs 19, it is easy to reset the screening plate 10 and the screening plate 2 11, so that the screening plate 10 and the screening plate 2 11 can perform screening work. Through the setting of the controller 20, it is easy to operate the powder coating grinding and screening device, so as to achieve the purpose of convenient use. Through the setting of the control valve, it is easy to control the opening and closing of the discharge pipe 9, so as to achieve the purpose of convenient unloading.

[0035] The working principle of the utility model is as follows: first, the powder coating to be ground and screened is poured into the interior of the processing box 1 through the feed port 2, and then the driving motor 6 is started by the controller 20, and the driving motor 6 drives the rotating rod 7 to rotate, and the rotating rod 7 drives the grinding block 8 to rotate, and the grinding block 8 rotates to grind the powder coating entering the interior of the grinding disc 5. After the grinding is completed, the control valve on the surface of the discharge pipe 9 is opened, and the powder passes through the discharge pipe 9 and falls on the top of the screening plate 10, thereby completing the grinding work;

[0036] During the rotation of the rotating rod 7, it will drive the pulley 13 to rotate, and the pulley 13 will drive the pulley 2 14 to rotate through the belt, and the pulley 2 14 will drive the worm 12 to rotate, and the worm 12 will drive the worm wheel 15 to rotate, and the worm wheel 15 will drive the rotating shaft 16 to rotate, and the rotating shaft 16 will drive the cam 17 to rotate. During the rotation, the cam 17 will lift the screening plate 10, and the continuously rotating cam 17 can be used to screen the powder on the top of the screening plate 10. The powder after the preliminary screening will fall on the screening plate 2 11 for re-screening, and the powders after the preliminary screening and re-screening can be discharged through the discharge ports 3 on both sides of the processing box 1, and the finally screened powder can be discharged through the discharge port 4 opened at the bottom front of the processing box 1.

[0037] The standard parts used in the present invention can all be purchased from the market, and can be customized according to the description in the specification and drawings. The specific connection methods of each part adopt conventional means such as mature bolts, rivets, welding, etc. in the existing technology. The machinery, parts and equipment all adopt conventional models in the existing technology. The control method is automatically controlled by a control unit. The control circuit of the control unit can be implemented by simple programming by technicians in this field, which is common knowledge in this field. Therefore, the control method and circuit connection are no longer explained in detail in the present invention.

[0038] The preferred embodiments of the present invention disclosed above are only used to help illustrate the present invention. The preferred embodiments do not describe all details in detail, nor do they limit the present invention to only the specific implementation methods described. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the present invention, so that technicians in the relevant technical field can better understand and utilize the present invention.

Claims

1. A powder coating grinding and screening device, comprising a processing box (1), characterized in that: The processing box (1) has a feed port (2) on the top, discharge ports (3) on both sides, and a discharge port (4) on the bottom of the front of the processing box (1); A grinding assembly is provided at the top of the inner cavity of the processing box (1), and the grinding assembly includes a grinding disc (5). The grinding disc (5) is fixedly installed at the top of the inner cavity of the processing box (1). A driving motor (6) is fixedly connected to the center of the top of the processing box (1). The output end of the driving motor (6) is fixedly connected to a rotating rod (7). The bottom of the rotating rod (7) extends into the interior of the processing box (1) and is fixedly connected to a grinding block (8). The bottom of the grinding disc (5) is connected to a discharge pipe (9). A screening assembly is provided at the bottom of the inner cavity of the processing box (1), and the screening assembly includes a screening plate 1 (10) and a screening plate 2 (11). The screening plate 1 (10) and the screening plate 2 (11) are both slidably connected to the inside of the processing box (1). A worm (12) is rotatably connected to one side of the top of the inner cavity of the processing box (1) through a bearing seat. A pulley 1 (13) is fixedly connected to the surface of the rotating rod (7). A pulley 2 (14) is fixedly connected to the top of the surface of the worm (12). The pulley 1 (13) and the pulley 2 (14) are connected by a belt transmission. A worm wheel (15) is meshed with the top and bottom of one side of the worm (12). A rotating shaft (16) is fixedly connected to the center of the worm wheel (15). Cams (17) are fixedly connected to the two sides of the surface of the rotating shaft (16). The cams (17) are respectively provided at the bottom of the screening plate 1 (10) and the bottom of the screening plate 2 (11).

2. A powder coating grinding and screening device according to claim 1, characterized in that: A placement groove (18) is provided on both sides of the inner cavity of the processing box (1), and a spring (19) is fixedly connected to the bottom of the inner cavity of the placement groove (18). The top of the spring (19) extends to the outside of the placement groove (18) and is fixedly connected to the bottom of the screen plate 1 (10) and the bottom of the screen plate 2 (11) respectively.

3. The powder coating grinding and screening device according to claim 1, characterized in that: A controller (20) is fixedly connected to the top of the front of the processing box (1), and the controller (20) is electrically connected to the drive motor (6) via a connecting line.

4. The powder coating grinding and screening device according to claim 1, characterized in that: The sieve plate 1 (10) is arranged on the top of the sieve plate 2 (11), and the aperture of the sieve plate 1 (10) is larger than the aperture of the sieve plate 2 (11).

5. The powder coating grinding and screening device according to claim 1, characterized in that: The surface of the discharge pipe (9) is connected to a control valve, which is a solenoid valve.

6. The powder coating grinding and screening device according to claim 1, characterized in that: The feed opening (2) is in the shape of two semicircles and is symmetrically arranged on both sides of the driving motor (6).

7. The powder coating grinding and screening device according to claim 1, characterized in that: The top and bottom of the worm (12) are both rotatably connected to the inner wall of the processing box (1) through a bearing seat, and both ends of the rotating shaft (16) are rotatably connected to the inner wall of the processing box (1) through a bearing seat.

8. The powder coating grinding and screening device according to claim 1, characterized in that: The grinding disc (5) has a diameter greater than the width of the processing box (1) and can be stably fixed on the top of the inner cavity of the processing box (1).

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