Paint spraying and polishing device for automobile sheet metal parts

Abstract

The utility model relates to the technical field of sheet metal part processing, and discloses an automobile sheet metal part paint spraying and polishing device which comprises a working table, a top frame is arranged on the working table, a polishing disc is connected to the top frame, the interior of the working table is of a cavity structure, a collecting box is arranged in the working table in a sliding mode, and a clamping hole is formed in the center of the upper surface of the working table. A clamping hole is formed in the workbench, vertical plates are arranged on the two sides of the clamping hole correspondingly, clamping assemblies are rotationally arranged on the vertical plates, a power assembly for driving the clamping assemblies to rotate is arranged on one side of one vertical plate, a water tank is arranged on the workbench, a nozzle is arranged above the grinding disc, and the nozzle is connected with the water tank through a water supply assembly. Operation steps and time are reduced, working efficiency is improved, workpiece surface temperature is reduced through water spraying, and workpiece quality is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of sheet metal part processing, and specifically refers to a painting and grinding device for automobile sheet metal parts. Background Technique

[0002] Automobile sheet metal parts are very important components in automobile manufacturing and maintenance. Sheet metal parts mainly refer to the metal sheet parts on the automobile body, and these parts are processed through processes such as stamping, cutting, and forming to form the body structure of the automobile.

[0003] Before painting, sheet metal parts usually need to be ground to remove surface defects, rust, and old paint, making the surface of the sheet metal parts smoother and facilitating the subsequent attachment of paint. When grinding sheet metal parts, it is necessary to fix the parts. However, during the grinding process, it is necessary to repeatedly remove and install the installation parts so that each side of the parts can be ground. The installation and disassembly process consumes a lot of time, and the grinding efficiency is low. At the same time, the surface temperature of the sheet metal parts will rise during the grinding process, which may cause the sheet metal parts to deform or change in hardness, affecting the quality of the sheet metal parts. Content of the Utility Model

[0004] (1). Technical Problems to be Solved

[0005] The technical problem to be solved by the utility model is to overcome the defects that the sheet metal parts need to be continuously disassembled and assembled during the grinding process, resulting in low work efficiency, and the grinding causes the temperature of the sheet metal parts to be too high, affecting their quality, and provides a painting and grinding device for automobile sheet metal parts.

[0006] (2). Technical Solutions

[0007] To solve the above technical problems, the technical solution provided by the utility model is: a painting and grinding device for automobile sheet metal parts, including a workbench, a top frame is provided on the workbench, a grinding disc is connected to the top frame, the inside of the workbench is a cavity structure, and a collection box is slidably arranged inside the workbench. A card hole is provided at the center of the upper surface of the workbench, vertical plates are respectively provided on both sides of the card hole, a clamping assembly is rotatably arranged on the vertical plates, and a power assembly for driving the clamping assembly to rotate is provided on one side of one of the vertical plates. A water tank is provided on the workbench, a nozzle is provided above the grinding disc, and the nozzle is connected to the water tank through a water supply assembly.

[0008] As an improvement: the clamping assembly includes a U-shaped plate rotatably arranged on the vertical plate, a clamping plate is slidably arranged on the U-shaped plate, a screw rod is threadedly inserted into the U-shaped plate, and one end of the screw rod is rotatably connected to the clamping plate. The driven gear is fixedly arranged on the rotating shaft of the U-shaped plate. Rotating the screw rod changes the position of the clamping plate to realize the fixed clamping of the sheet metal part.

[0009] As an improvement: a chute is provided on the U-shaped plate, a slider is provided on one side of the clamping plate, the slider is slidably arranged in the chute, a rubber pad is provided on the clamping surface of the clamping plate, and the slider is arranged in the chute to limit the movement range of the clamping plate and make it displace along the chute, and the rubber pad increases the friction force.

[0010] As an improvement: the power assembly includes a bracket fixedly arranged on one side of one of the vertical plates, a first motor is arranged on the bracket, a driving gear is fixedly arranged on the rotating shaft of the first motor, and one end of the rotating shaft of the first motor is rotatably connected to the vertical plate. A driven gear meshing with the driving gear is arranged on the rotating shaft of one of the clamping assemblies, and the rotation of the clamping assembly is realized through the meshing cooperation of the driven gear and the driving gear.

[0011] As an improvement: a hydraulic cylinder is arranged at the center of the top frame, a fixing frame is arranged at the telescopic end of the hydraulic cylinder, a second motor is arranged on the fixing frame, and the grinding disc is connected to the output end of the second motor. The arrangement of the hydraulic cylinder helps the grinding disc to move up and down.

[0012] As an improvement: the number of nozzles is two, which are respectively fixed on both sides of the fixing frame. The water supply assembly includes a water pump arranged on the water tank, a first water pipe and a shunt pipe are connected to the water pump, the first water pipe communicates with the bottom of the water tank, a second water pipe is connected to the shunt pipe, and one end of the second water pipe is connected to the nozzle. The water supply assembly transports the water in the water tank to the nozzle for outflow.

[0013] As an improvement: a filter screen adapted to the size of the card hole is clamped in the card hole, handlebars are arranged on both sides of the filter screen, and the filter screen is located directly above the collection box. The filter screen filters the debris generated by grinding, which is convenient for subsequent cleaning.

[0014] (III) Beneficial effects

[0015] The advantages of the present utility model compared with the prior art are as follows:

[0016] 1. By setting the first motor to drive the driving gear to rotate, the rotation of the driven gear is realized, thereby driving the rotation of the clamping assembly, which can flexibly flip the sheet metal part, facilitating the grinding of each surface, saving the disassembly and assembly time, and improving the grinding efficiency;

[0017] 2. By pumping the water in the water tank to the nozzle through the water pump, spraying water on the surface of the sheet metal part during the grinding process helps to cool the workpiece, avoid problems caused by overheating, and at the same time reduce the metal dust generated during the grinding process, which helps to keep the working environment clean and protect the health of the operators. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic structural diagram of a paint spraying and grinding device for an automobile sheet metal part of the present utility model.

[0019] Figure 2 Yes Figure 1 It is a schematic structural diagram of the enlarged part A.

[0020] Figure 3 Yes Figure 1 It is a schematic structural diagram of the enlarged part B.

[0021] Figure 4 It is a schematic rear view structural diagram of a spray painting and grinding device for an automobile sheet metal part of the present utility model.

[0022] Figure 5 Yes Figure 4 It is a schematic structural diagram of the enlarged part C.

[0023] As shown in the figure: 1. Workbench; 2. Top frame; 3. Grinding disc; 4. Collection box; 5. Card hole; 6. Vertical plate; 7. Bracket; 8. Motor 1; 9. Driving gear; 10. Driven gear; 11. Water tank; 12. Nozzle; 13. U-shaped plate; 14. Clamping plate; 15. Screw; 16. Chute; 17. Slide block; 18. Hydraulic cylinder; 19. Fixed frame; 20. Motor 2; 21. Water pump; 22. Water pipe 1; 23. Shunt pipe; 24. Water pipe 2; 25. Filter screen. Specific embodiments

[0024] The following further describes the present utility model in detail with reference to the accompanying drawings. The same components are denoted by the same reference numerals.

[0025] It should be noted that the terms "front", "rear", "left", "right", "upper" and "lower" used in the following description refer to the directions in the drawings, and the terms "inner" and "outer" respectively refer to the directions towards or away from the geometric center of a specific component.

[0026] In order to make the content of the present utility model easier to be clearly understood, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.

[0027] Embodiment 1

[0028] Combined with the attached Figure 1 , Figure 2 and Figure 4As shown in the figure, a painting and grinding device for automobile sheet metal parts includes a workbench 1. A top frame 2 is provided on the workbench 1, and a grinding disc 3 is connected to the top frame 2. The interior of the workbench 1 has a cavity structure, and a collection box 4 is slidably arranged inside the workbench 1. A clamping hole 5 is provided at the center of the upper surface of the workbench 1. Vertical plates 6 are respectively arranged on both sides of the clamping hole 5. A clamping assembly is rotatably arranged on the vertical plates 6. A power assembly for driving the clamping assembly to rotate is arranged on one side of one of the vertical plates 6. The power assembly includes a bracket 7 fixedly arranged on one side of one of the vertical plates. A first motor 8 is arranged on the bracket 7. A driving gear 9 is fixedly arranged on the rotating shaft of the first motor 8, and one end of the rotating shaft of the first motor 8 is rotatably connected to the vertical plate 6. A driven gear 10 meshing with the driving gear 9 is arranged on the rotating shaft of one of the clamping assemblies. A water tank 11 is arranged on the workbench 1. A nozzle 12 is arranged above the grinding disc 3. The nozzle 12 is connected to the water tank 11 through a water supply assembly.

[0029] With the above structure, the first motor 8 drives the driving gear 9 to rotate. Under the meshing and cooperation of the driving gear 9 and the driven gear 10, the rotation of the clamping assembly is driven, so as to realize the flipping of the sheet metal part, without repeating the disassembly and installation steps, saving operation time and improving work efficiency. The nozzle 12 sprays water on the sheet metal part to be ground, thereby reducing the surface temperature of the workpiece.

[0030] Combined with the attached Figure 3 As shown in the figure, the clamping assembly includes a U-shaped plate 13 rotatably arranged on the vertical plate 6. A clamping plate 14 is slidably arranged on the U-shaped plate 13. A screw rod 15 is threadedly inserted into the U-shaped plate 13, and one end of the screw rod 15 is rotatably connected to the clamping plate 14. The driven gear 10 is fixedly arranged on the rotating shaft of the U-shaped plate 13. A sliding groove 16 is arranged on the U-shaped plate 13. A sliding block 17 is arranged on one side of the clamping plate 14. The sliding block 17 is slidably arranged in the sliding groove 16. A rubber pad is arranged on the clamping surface of the clamping plate 14.

[0031] With the above structure, by rotating the screw rod 15, the position of the clamping plate 14 is changed to realize the fixed clamping of the sheet metal part. The sliding block 17 is arranged in the sliding groove 16 to limit the movement range of the clamping plate 14, so that it displaces along the sliding groove 16. The rubber pad is adhesively attached to the clamping surface of the clamping plate 14, which can increase the friction force and make the clamping of the sheet metal part more firm.

[0032] Embodiment 2

[0033] On the basis of Embodiment 1, combined with the attached Figure 1 、 Figure 4 and Figure 5As shown in the figure, a hydraulic cylinder 18 is provided at the center of the top frame 2. A fixed frame 19 is provided at the telescopic end of the hydraulic cylinder 18. A second motor 20 is provided on the fixed frame 19. The grinding disc 3 is connected to the output end of the second motor 20. The number of nozzles 12 is two, which are respectively fixed on both sides of the fixed frame 19. The water supply assembly includes a water pump 21 provided on the water tank 11. A first water pipe 22 and a shunt pipe 23 are connected to the water pump 21. The first water pipe 22 communicates with the bottom of the water tank 11. A second water pipe 24 is connected to the shunt pipe 23. One end of the second water pipe 24 is connected to the nozzle 12. A filter screen 25 adapted to the size of the card hole 5 is clamped in the card hole 5. Handles are provided on both sides of the filter screen 25. The filter screen 25 is located directly above the collection box 4.

[0034] With the above structure, the setting of the hydraulic cylinder 18 helps the grinding disc 3 to move up and down. The water supply assembly transports the water in the water tank 11 to the nozzle 12 for outflow. The filter screen 25 filters the debris generated by grinding, facilitating subsequent cleaning.

[0035] The specific usage method is as follows:

[0036] Place the sheet metal part on the U-shaped plate 13. Rotate the screw rod 15 to drive the clamping plate 14 to move along the sliding groove 16 to fixedly clamp the sheet metal part. Start the second motor 20 to rotate the grinding disc 3. The hydraulic cylinder 18 causes the grinding disc 3 to descend to grind the sheet metal part. At this time, the water pump 21 pumps the water in the water tank 11 to the nozzle 12, so that the water flows through the sheet metal part to reduce the temperature of the workpiece and at the same time reduce the situation of debris flying during grinding. The grinding debris is blocked by the filter screen 25, and the waste liquid falls into the collection box 4 through the filter screen 25;

[0037] When the workpiece needs to be flipped, the hydraulic cylinder 18 lifts the grinding disc 3. The first motor 8 drives the driving gear 9 to rotate, so that the driven gear 10 rotates accordingly. When the sheet metal part is rotated to the appropriate position, stop the first motor 8.

[0038] The above describes the present invention and its implementation manners. This description is not restrictive. What is shown in the drawings is only one of the implementation manners of the present invention. The actual structure is not limited thereto. Generally speaking, if those of ordinary skill in the art are inspired by it and without departing from the creative purpose of the present invention, without creative design, structures and embodiments similar to the technical solution are all within the protection scope of the present invention.

Claims

1. A painting and polishing device for automobile sheet metal parts, comprising a workbench (1), a top frame (2) being provided on the workbench (1), a polishing disc (3) being connected to the top frame (2), characterized in that: The workbench (1) has a cavity structure, and a collection box (4) is slidably arranged inside the workbench (1). A clamping hole (5) is arranged at the center of the upper surface of the workbench (1). Vertical plates (6) are respectively arranged on both sides of the clamping hole (5). A clamping assembly is rotatably arranged on the vertical plates (6), and a power assembly for driving the clamping assembly to rotate is arranged on one side of one of the vertical plates (6); A water tank (11) is provided on the workbench (1), a nozzle (12) is provided above the grinding disc (3), and the nozzle (12) is connected to the water tank (11) via a water supply assembly.

2. The automobile sheet metal painting and polishing device according to claim 1, characterized in that: The power assembly comprises a bracket (7) fixedly arranged on one side of one of the vertical plates, a motor (8) being arranged on the bracket (7), a driving gear (9) being fixedly arranged on the rotating shaft of the motor (8), and one end of the rotating shaft of the motor (8) being rotatably connected to the vertical plate (6), and a driven gear (10) meshing with the driving gear (9) being arranged on the rotating shaft of one of the clamping assemblies.

3. The automobile sheet metal part painting and polishing device according to claim 2, characterized in that: The clamping assembly comprises a U-shaped plate (13) rotatably arranged on the vertical plate (6), a clamping plate (14) being slidably arranged on the U-shaped plate (13), a screw rod (15) being threadedly inserted on the U-shaped plate (13), and one end of the screw rod (15) being rotatably connected to the clamping plate (14), and the driven gear (10) being fixedly arranged on the rotating shaft of the U-shaped plate (13).

4. The automobile sheet metal part painting and polishing device according to claim 3, characterized in that: The U-shaped plate (13) is provided with a slide groove (16), one side of the clamping plate (14) is provided with a slider (17), the slider (17) is slidably arranged in the slide groove (16), and the clamping surface of the clamping plate (14) is provided with a rubber pad.

5. The automobile sheet metal part painting and polishing device according to claim 1, characterized in that: A hydraulic cylinder (18) is provided at the center of the top frame (2), a fixed frame (19) is provided at the telescopic end of the hydraulic cylinder (18), a second motor (20) is provided on the fixed frame (19), and the grinding disc (3) is connected to the output end of the second motor (20).

6. The automobile sheet metal part painting and polishing device according to claim 5, characterized in that: The number of the nozzles (12) is two and they are fixedly arranged on both sides of the fixing frame (19), respectively. The water supply assembly comprises a water pump (21) arranged on the water tank (11), the water pump (21) is connected with a water pipe (22) and a diversion pipe (23), the water pipe (22) is connected to the bottom of the water tank (11), the diversion pipe (23) is connected with a water pipe (24), and one end of the water pipe (24) is connected to the nozzle (12).

7. The automobile sheet metal part painting and polishing device according to claim 1, characterized in that: A filter screen (25) having a size matching that of the card hole (5) is clamped in the card hole (5), handles are provided on both sides of the filter screen (25), and the filter screen (25) is located directly above the collection box (4).

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