A spraying and polishing device for automobile plastic cover

Abstract

This utility model relates to the field of automotive parts processing technology, specifically to a spraying and polishing device for automotive plastic body panels. It includes a polishing platform, a clamping and positioning mechanism, an adjusting polishing mechanism, a spraying mechanism, and a bottom stabilizing mechanism. The clamping and positioning mechanism is fixedly connected to the top of the polishing platform. In this utility model, the sliding positioning plate, clamping plate, and shock-absorbing spring damper are arranged in six equal parts, allowing for flexible adjustment according to the shape and size of the automotive plastic body panel. This achieves precise positioning and secure clamping of different body panels. By turning the adjusting bolt, the sliding positioning plate can slide within the sliding groove, thereby adjusting its position to accommodate automotive plastic body panels of different sizes. This prevents the body panel from shaking or shifting during polishing and spraying. The shock-absorbing spring damper effectively absorbs vibrations generated during polishing, reducing the impact of vibrations on the processing accuracy of the body panel.

Description

Technical Field

[0001] This utility model relates to the field of automotive parts processing technology, and in particular to a spraying and polishing device for automotive plastic body panels. Background Technology

[0002] In the automotive manufacturing industry, automotive plastic body panels are widely used in car body manufacturing due to their advantages such as light weight, low cost, and flexible design, including components like bumpers, dashboard housings, and door trim panels. Sanding and painting are two crucial processes in the production of automotive plastic body panels. Sanding removes burrs and imperfections from the surface of the body panels, making the surface smoother and providing a good base for subsequent painting. Painting, on the other hand, gives the body panels an attractive appearance and properties such as corrosion resistance and wear resistance.

[0003] When existing technical solutions are used, (1) The structure of the fixture is relatively simple, making it difficult to accurately position and firmly clamp automotive plastic cover parts of different shapes and sizes. During the grinding and spraying process, the cover parts are prone to shaking or even shifting, which not only affects the processing accuracy and quality but also poses certain safety hazards. At the same time, the lack of shock absorption measures means that the vibration generated during the grinding process will be transmitted to the cover parts, further affecting the processing effect. (2) The grinding mechanism has a limited range of movement and can only grind some areas of the cover. For some complex shapes and corners, it is difficult to reach, resulting in uneven grinding. It is necessary to manually adjust the position of the cover multiple times, which reduces production efficiency. The spray nozzle layout of the spraying mechanism is unreasonable, and the spraying coverage is uneven. It is easy to have inconsistent spraying thickness and missed spraying, which affects the appearance and protective performance of automotive plastic cover parts.

[0004] To address the aforementioned problems, this utility model provides a spraying and sanding device for automotive plastic body panels. Utility Model Content

[0005] The purpose of this invention is to solve the problems of unstable clamping, inaccurate positioning, uneven grinding and spraying, and low efficiency in existing automotive plastic body panel grinding and spraying devices, and to propose an automotive plastic body panel spraying and grinding device.

[0006] To achieve the above objectives, the present invention adopts the following technical solution: a spraying and polishing device for automotive plastic body panels, comprising a polishing platform, a clamping and positioning mechanism, an adjusting polishing mechanism, a spraying mechanism, and a bottom stabilizing mechanism. The clamping and positioning mechanism is fixedly connected to the top of the polishing platform. The clamping and positioning mechanism includes a load-bearing circular plate fixedly connected to the center of the top of the polishing platform, and a placement hole is provided in the middle of the load-bearing circular plate.

[0007] The clamping and positioning mechanism includes a sliding positioning plate and a clamping plate, which are arranged at six equal intervals on the top of the load-bearing circular plate.

[0008] The sliding positioning plate has adjusting bolts threadedly connected to both sides. The top of the load-bearing circular plate has sliding slots and threaded holes evenly spaced at equal intervals. The sliding positioning plate is slidably connected to the top of the load-bearing circular plate through the sliding slots. The sliding positioning plate is threadedly connected to the top of the load-bearing circular plate through adjusting bolts. Adjusters are threadedly connected to both sides of the sliding positioning plate.

[0009] Furthermore, the distal end of the regulator is rotatably connected to a bearing, the outer surface of the bearing is fitted into the outer surface of the clamping plate, and an electric lifting plate is fixedly connected to the top of the placement hole.

[0010] Furthermore, the adjusting grinding mechanism includes an electric telescopic column fixedly connected to both sides of the grinding platform. A lateral moving component is fixedly connected to the top of the electric telescopic column, and a support plate is fixedly connected to the bottom of the lateral moving component. A first motor is fixedly connected inside the support plate, and a first rotating threaded rod is fixedly connected to the output end of the first motor.

[0011] Furthermore, a vertical sliding plate is rotatably connected to the outer surface of the first rotating threaded rod, a grinding motor is fixedly connected to the bottom of the vertical sliding plate, and a grinding disc is fixedly connected to the bottom of the grinding motor.

[0012] Furthermore, the lateral movement assembly includes a fixed plate fixedly connected to the top of the electric telescopic column. A second motor is fixedly connected inside the fixed plate. A main rotating shaft is fixedly connected to the output end of the second motor. A rotating belt is rotatably connected to the outer surface of the main rotating shaft. A driven rotating shaft is rotatably connected inside the rotating belt. A second rotating threaded rod is fixedly connected to the outer surfaces of the main rotating shaft and the driven rotating shaft. A rotating shaft is rotatably connected to the distal end of the second rotating threaded rod. The outer surface of the rotating shaft is fitted into the interior of the fixed plate. The vertical sliding plate is threadedly connected to the outer surface of the second rotating threaded rod.

[0013] Furthermore, the spraying mechanism includes liquid storage tanks fixedly connected to both sides of the top of the grinding platform. A water pump is fixedly connected to the top of the liquid storage tank, and a connecting pipe is fixedly connected to the top of the water pump. Spray nozzles are fixedly connected at equal intervals on the outer surface of the connecting pipe. The connecting pipe and the spray nozzles are symmetrically arranged on both sides of the clamping and positioning mechanism.

[0014] Furthermore, the bottom stabilization mechanism includes a stabilizing base plate fixedly connected to the bottom of the grinding platform, shock-absorbing spring dampers fixedly connected to the four corners of the bottom of the stabilizing base plate, and anti-slip pads fixedly connected to the bottom of the shock-absorbing spring dampers.

[0015] Compared with the prior art, the advantages and positive effects of this utility model are as follows: 1. In this utility model, the sliding positioning plate, clamping plate, and shock-absorbing spring damper are arranged in six equal parts, which can be flexibly adjusted according to the shape and size of the automotive plastic cover parts to achieve precise positioning and firm clamping of different cover parts. By turning the adjusting bolt, the sliding positioning plate can slide in the sliding hole groove, thereby adjusting the position of the sliding positioning plate to adapt to automotive plastic cover parts of different sizes, preventing the cover parts from shaking or shifting during grinding and spraying. The shock-absorbing spring damper can effectively absorb the vibration generated during grinding, reduce the impact of vibration on the processing accuracy of the cover parts, improve the stability and service life of the device, and reduce safety hazards. The anti-slip pad can increase the friction between the device and the ground, prevent the device from sliding during operation, and ensure the stability of the device.

[0016] 2. In this utility model, the horizontal moving component, the vertical sliding plate, and the connecting pipe are arranged so that the horizontal moving component and the vertical sliding plate cooperate with each other, allowing the grinding disc to move freely in both the horizontal and vertical directions. This enables all-round grinding of all parts of the automotive plastic body panel without the need for frequent manual adjustment of the body panel position, thus improving grinding efficiency and uniformity. The connecting pipe and the spray nozzle are symmetrically arranged on both sides of the clamping and positioning mechanism, ensuring that the paint can be evenly sprayed on the surface of the body panel, avoiding inconsistent spray thickness, missed spraying, and other phenomena, thereby improving the appearance quality and protective performance of the automotive plastic body panel. Attached Figure Description

[0017] Figure 1 This utility model provides a three-dimensional structural diagram of a spraying and polishing device for automotive plastic body panels; Figure 2 This utility model provides a structural schematic diagram of a sliding positioning plate in an automotive plastic body panel spraying and polishing device; Figure 3 This utility model proposes a spraying and sanding device for automotive plastic body panels. Figure 2 Enlarged view of point A; Figure 4 This utility model provides a structural schematic diagram of the bearing in an automotive plastic body panel spraying and polishing device; Figure 5 This utility model provides a structural schematic diagram of a vertical sliding plate in an automotive plastic body panel spraying and polishing device. Figure 6 This utility model proposes a spraying and sanding device for automotive plastic body panels. Figure 5 Enlarged diagram of point B.

[0018] Legend: 1. Grinding platform; 2. Clamping and positioning mechanism; 21. Load-bearing circular plate; 22. Placement hole; 23. Sliding positioning plate; 24. Clamping plate; 25. Adjusting bolt; 26. Sliding slot; 27. Threaded hole; 28. Adjuster; 29. ​​Bearing; 210. Electric lifting plate; 3. Adjusting grinding mechanism; 31. Electric telescopic column; 32. Lateral movement assembly; 321. Fixing plate; 322. Second motor; 323. Main rotating shaft; 324. Rotation. Belt; 325. Rotating shaft; 326. Second rotating threaded rod; 327. Rotating shaft; 33. Support plate; 34. First motor; 35. First rotating threaded rod; 36. Vertical sliding plate; 37. Grinding motor; 38. Grinding disc; 4. Spraying mechanism; 41. Liquid storage tank; 42. Water pump; 43. Connecting pipe; 44. Spray nozzle; 5. Bottom stabilizing mechanism; 51. Stabilizing base plate; 52. Shock-absorbing spring damper; 53. Anti-slip pad. Detailed Implementation

[0019] Please see Figure 1-6 This utility model provides a technical solution: a spraying and polishing device for automotive plastic body panels, including a polishing platform 1, a clamping and positioning mechanism 2, an adjusting polishing mechanism 3, a spraying mechanism 4, and a bottom stabilizing mechanism 5. The clamping and positioning mechanism 2 is fixedly connected to the top of the polishing platform 1. The clamping and positioning mechanism 2 includes a load-bearing circular plate 21 fixedly connected to the center of the top of the polishing platform 1. A placement hole 22 is provided in the middle of the load-bearing circular plate 21.

[0020] The following section will explain the specific setup and function of its clamping and positioning mechanism 2, adjusting and grinding mechanism 3, spraying mechanism 4, and bottom stabilizing mechanism 5.

[0021] In this embodiment: the clamping and positioning mechanism 2 includes a sliding positioning plate 23 and a clamping plate 24, which are arranged at six equal intervals on the top of the load-bearing circular plate 21.

[0022] The sliding positioning plate 23 is threaded with adjusting bolts 25 on both sides. The top of the load-bearing circular plate 21 is evenly provided with sliding slots 26 and threaded holes 27 at equal intervals. The sliding positioning plate 23 is slidably connected to the top of the load-bearing circular plate 21 through the sliding slots 26. The sliding positioning plate 23 is threadedly connected to the top of the load-bearing circular plate 21 through adjusting bolts 25. Adjusters 28 are threaded on both sides of the sliding positioning plate 23.

[0023] The effect achieved by the above components is as follows: the adjusting bolts 25 on both sides of the sliding positioning plate 23 cooperate with the sliding slot 26 and threaded hole 27 on the top of the load-bearing circular plate 21. The operator can turn the adjusting bolts 25 according to the size of the cover to make the sliding positioning plate 23 slide in the sliding slot 26 and accurately adjust its position to ensure that the clamping plate 24 can fit the edge of the cover. The adjusters 28 on both sides of the sliding positioning plate 23 are connected to the bearing 29 and the clamping plate 24. When the adjuster 28 is rotated, the bearing 29 reduces the friction and makes the clamping plate 24 move smoothly, thereby clamping or loosening the cover and ensuring that the cover is stable and does not shake during the processing.

[0024] Specifically, the distal end of the regulator 28 is rotatably connected to a bearing 29, the outer surface of the bearing 29 is fitted into the outer surface of the clamping plate 24, and an electric lifting plate 210 is fixedly connected to the top of the placement hole 22.

[0025] The effect achieved by the above components is as follows: the electric lifting plate 210 at the top of the placement hole 22 can precisely adjust the height of the cover according to different needs of grinding and spraying. When grinding complex curved surfaces, raising the cover makes it easier for the grinding disc 38 to penetrate into the details. When spraying, adjusting to the appropriate height can keep the spray nozzle 44 at the optimal distance from the surface of the cover, ensuring uniform spraying.

[0026] Specifically, the adjusting grinding mechanism 3 includes an electric telescopic column 31 fixedly connected to both sides of the grinding platform 1. A lateral moving component 32 is fixedly connected to the top of the electric telescopic column 31. A support plate 33 is fixedly connected to the bottom of the lateral moving component 32. A first motor 34 is fixedly connected inside the support plate 33. A first rotating threaded rod 35 is fixedly connected to the output end of the first motor 34.

[0027] The effect achieved by the above components is as follows: the first motor 34 inside the support plate 33 drives the first rotating threaded rod 35 to rotate, and the vertical sliding plate 36 is rotatably connected to the first rotating threaded rod 35. When it rotates, it moves up and down along the threaded rod to precisely adjust the vertical position of the grinding disc 38. Combined with the lateral movement, the grinding disc 38 can perform all-round grinding on the complex surface, corners and other parts of the cover, avoiding grinding blind spots and improving grinding quality and efficiency.

[0028] Specifically, a vertical sliding plate 36 is rotatably connected to the outer surface of the first rotating threaded rod 35, a grinding motor 37 is fixedly connected to the bottom of the vertical sliding plate 36, and a grinding disc 38 is fixedly connected to the bottom of the grinding motor 37.

[0029] The effect achieved by the above components is as follows: the electric telescopic column 31 is fixed on both sides of the grinding platform 1, and the position of the lateral movement component 32 can be flexibly adjusted according to the height of the automotive plastic cover. For higher covers, the electric telescopic column 31 extends to raise the grinding mechanism, and for lower covers, the electric telescopic column 31 shortens to ensure that the grinding disc 38 can effectively contact the surface of the cover, laying the foundation for subsequent grinding operations.

[0030] Specifically, the lateral movement component 32 includes a fixed plate 321 fixedly connected to the top of the electric telescopic column 31. A second motor 322 is fixedly connected inside the fixed plate 321. A main rotating shaft 323 is fixedly connected to the output end of the second motor 322. A rotating belt 324 is rotatably connected to the outer surface of the main rotating shaft 323. A secondary rotating shaft 325 is rotatably connected inside the rotating belt 324. A second rotating threaded rod 326 is fixedly connected to the outer surfaces of the main rotating shaft 323 and the secondary rotating shaft 325. A rotating shaft 327 is rotatably connected to the distal end of the second rotating threaded rod 326. The outer surface of the rotating shaft 327 is fitted into the interior of the fixed plate 321. A vertical sliding plate 36 is threadedly connected to the outer surface of the second rotating threaded rod 326.

[0031] The effect achieved by the above components is as follows: the fixed plate 321, the second motor 322, the main rotating shaft 323, the rotating belt 324, the driven rotating shaft 325, and the second rotating threaded rod 326 in the lateral moving assembly 32 work together. After the second motor 322 is started, it drives the main rotating shaft 323 to rotate. The power is transmitted to the driven rotating shaft 325 through the rotating belt 324, which in turn causes the second rotating threaded rod 326 to rotate. The vertical sliding plate 36 is threaded to the second rotating threaded rod 326. Under the action of threaded transmission, lateral movement is achieved, so that the grinding disc 38 can cover all lateral areas of the cover.

[0032] Specifically, the spraying mechanism 4 includes a liquid storage tank 41 fixedly connected to both sides of the top of the grinding platform 1. A water pump 42 is fixedly connected to the top of the liquid storage tank 41. A connecting pipe 43 is fixedly connected to the top of the water pump 42. Spray nozzles 44 are fixedly connected at equal intervals on the outer surface of the connecting pipe 43. The connecting pipe 43 and the spray nozzles 44 are symmetrically arranged on both sides of the clamping and positioning mechanism 2.

[0033] The effects achieved by the above components are as follows: the liquid storage tank 41 is fixed on both sides of the top of the grinding platform 1 and is used to store the paint required for spraying. The water pump 42 draws out the paint from the liquid storage tank 41 and delivers it to each spray nozzle 44 through the connecting pipe 43. The connecting pipe 43 and the spray nozzle 44 are symmetrically arranged on both sides of the clamping and positioning mechanism 2, which enables the paint to be sprayed evenly from the spray nozzle 44 and cover the surface of the automotive plastic cover. The symmetrical layout ensures the uniformity of the spraying and avoids problems such as local spraying that is too thick or too thin, or missed spraying. This gives the surface of the cover a consistent coating thickness and aesthetics, while also improving its corrosion resistance, wear resistance and other properties.

[0034] Specifically, the bottom stabilization mechanism 5 includes a stabilizing base plate 51 fixedly connected to the bottom of the grinding platform 1, shock-absorbing spring dampers 52 fixedly connected to the four corners of the bottom of the stabilizing base plate 51, and anti-slip pads 53 fixedly connected to the bottom of the shock-absorbing spring dampers 52.

[0035] The effects achieved by the above components are as follows: the stable base plate 51 is fixed to the bottom of the grinding platform 1, providing basic support for the entire device; the shock-absorbing spring dampers 52 at the four corners can effectively absorb the vibration generated during the grinding process, reduce the impact of vibration on the various components of the device, prevent the decrease in processing accuracy and loosening of components due to vibration; the anti-slip pad 53 increases the friction between the device and the ground, prevents the device from sliding during operation, ensures the stability of the device during grinding and spraying, and provides a guarantee for high-quality processing.

[0036] Working principle: When using the device, first adjust the position of the sliding positioning plate 23 on the load-bearing circular plate 21 by turning the adjusting bolt 25 according to the shape and size of the car plastic cover. Then rotate the adjuster 28 to move the clamping plate 24 and clamp the cover. Start the electric lifting plate 210 to adjust the height of the cover.

[0037] Upon entering the polishing stage, the height of the lateral moving component 32 is adjusted by activating the electric telescopic column 31 according to the height of the cover. Then, the second motor 322 is activated, which drives the lateral moving component 32 to move the vertical sliding plate 36 laterally to the starting position. Next, the first motor 34 is activated, which causes the vertical sliding plate 36 to drive the polishing motor 37 and the polishing disc 38 to move vertically to the appropriate height. The polishing motor 37 is activated, and the polishing disc 38 rotates at high speed. With the cooperation of the lateral moving component 32 and the vertical sliding plate 36, the cover is polished in all directions.

[0038] After grinding, the spraying operation is carried out. The water pump 42 is started to transport the paint in the storage tank 41 to the connecting pipe 43. The paint is evenly sprayed onto the surface of the cover part through the symmetrically distributed spray nozzles 44. Throughout the entire process, the shock-absorbing spring damper 52 and anti-slip pad 53 of the bottom stabilizing mechanism 5 continue to play a role to ensure the stable operation of the device until the spraying and grinding of the automotive plastic cover part is completed.

Claims

1. A spraying and sanding device for automotive plastic body panels, comprising a sanding platform (1), a clamping and positioning mechanism (2), an adjusting sanding mechanism (3), a spraying mechanism (4), and a bottom stabilizing mechanism (5), characterized in that: The clamping and positioning mechanism (2) is fixedly connected to the top of the grinding platform (1). The clamping and positioning mechanism (2) includes a load-bearing circular plate (21) fixedly connected to the center of the top of the grinding platform (1). A placement hole (22) is provided in the middle of the load-bearing circular plate (21). The clamping and positioning mechanism (2) includes a sliding positioning plate (23) and a clamping plate (24), which are arranged at six equal intervals on the top of the load-bearing circular plate (21); The sliding positioning plate (23) is threaded with adjusting bolts (25) on both sides. The top of the load-bearing circular plate (21) is evenly provided with sliding slots (26) and threaded holes (27). The sliding positioning plate (23) is slidably connected to the top of the load-bearing circular plate (21) through the sliding slots (26). The sliding positioning plate (23) is threadedly connected to the top of the load-bearing circular plate (21) through the adjusting bolts (25). The sliding positioning plate (23) is threaded with adjusters (28) on both sides.

2. The automotive plastic body panel spraying and sanding device according to claim 1, characterized in that: The distal end of the regulator (28) is rotatably connected to a bearing (29), the outer surface of the bearing (29) is fitted into the outer surface of the clamping plate (24), and the top of the placement hole (22) is fixedly connected to an electric lifting plate (210).

3. The automotive plastic body panel spraying and sanding device according to claim 1, characterized in that: The adjusting grinding mechanism (3) includes an electric telescopic column (31) fixedly connected to both sides of the grinding platform (1). A horizontal moving component (32) is fixedly connected to the top of the electric telescopic column (31). A support plate (33) is fixedly connected to the bottom of the horizontal moving component (32). A first motor (34) is fixedly connected inside the support plate (33). A first rotating threaded rod (35) is fixedly connected to the output end of the first motor (34).

4. The automotive plastic body panel spraying and sanding device according to claim 3, characterized in that: A vertical sliding plate (36) is rotatably connected to the outer surface of the first rotating threaded rod (35), and a grinding motor (37) is fixedly connected to the bottom of the vertical sliding plate (36), and a grinding disc (38) is fixedly connected to the bottom of the grinding motor (37).

5. The automotive plastic body panel spraying and sanding device according to claim 4, characterized in that: The lateral movement assembly (32) includes a fixed plate (321) fixedly connected to the top of the electric telescopic column (31). A second motor (322) is fixedly connected inside the fixed plate (321). A main rotating shaft (323) is fixedly connected to the output end of the second motor (322). A rotating belt (324) is rotatably connected to the outer surface of the main rotating shaft (323). A secondary rotating shaft (325) is rotatably connected inside the rotating belt (324). A second rotating threaded rod (326) is fixedly connected to the outer surfaces of the main rotating shaft (323) and the secondary rotating shaft (325). A rotating shaft (327) is rotatably connected to the far end of the second rotating threaded rod (326). The outer surface of the rotating shaft (327) is fitted into the interior of the fixed plate (321). The vertical sliding plate (36) is threadedly connected to the outer surface of the second rotating threaded rod (326).

6. The automotive plastic body panel spraying and sanding device according to claim 1, characterized in that: The spraying mechanism (4) includes a liquid storage tank (41) fixedly connected to both sides of the top of the grinding platform (1). A water pump (42) is fixedly connected to the top of the liquid storage tank (41). A connecting pipe (43) is fixedly connected to the top of the water pump (42). Spray nozzles (44) are fixedly connected at equal intervals on the outer surface of the connecting pipe (43). The connecting pipe (43) and the spray nozzles (44) are symmetrically arranged on both sides of the clamping and positioning mechanism (2).

7. The automotive plastic body panel spraying and sanding device according to claim 1, characterized in that: The bottom stabilizing mechanism (5) includes a stabilizing base plate (51) fixedly connected to the bottom of the grinding platform (1). Shock-absorbing spring dampers (52) are fixedly connected to the four corners of the bottom of the stabilizing base plate (51). Anti-slip pads (53) are fixedly connected to the bottom of the shock-absorbing spring dampers (52).

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