Automobile door guard plate surface polishing device

By adopting stepper motor and servo motor drive system in the surface polishing device of the car door guard plate, combined with the slide chute and electric push rod system, flexible adjustment of the movement direction of the sandpaper and length adjustment of the handle are achieved, solving the problem of inconvenient direction adjustment when grinding different positions of the existing device, and improving grinding efficiency and convenience.

CN222768037UActive Publication Date: 2025-04-18CHONGQING KESUTONG PLASTIC PRODUCTS CO LTD
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Patent Information

Application Number
CN202421617496.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-10
Publication Date
2025-04-18
Estimated Expiration
2034-07-10

AI Technical Summary

Technical Problem

The existing surface polishing device for automotive door guard plates needs to change the grinding direction when grinding different positions, resulting in inconvenient rotation or movement of the equipment and reducing the grinding efficiency.

Method used

A surface polishing device for automotive door guard plates is designed, and the mount is driven by a stepper motor to drive the rotation of the mount, adjust the movement direction of the sandpaper through the slide chute and electric push rod system, and adjust the overall length of the handle through the servo motor and screw system to improve the flexibility of the equipment.

Benefits of technology

It realizes flexible polishing of car door guardrails in different positions, improves the convenience and efficiency of equipment, and facilitates polishing work in different directions.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an automobile door protection plate surface polishing device which comprises a connecting block, an adjusting handle is fixedly connected to the outer wall of the connecting block, a stepping motor is installed on the connecting block in an embedded mode, the driving end of the stepping motor is fixedly connected with the bottom face of an installation base, a sliding groove is formed in the top face of the installation base, an installation groove is formed in the inner wall of the sliding groove, and the installation base is fixedly connected with the sliding groove. An electric push rod is fixedly connected to the inner bottom surface of the mounting groove, a sliding block is fixedly connected to the output end of the electric push rod, the sliding block is fixedly connected to the bottom surface of a movable plate, and the top surface of the movable plate is fixedly connected to the bottom surface of a base plate; a moving groove is formed in the top face of the moving plate, a servo motor is installed on the side wall of the moving plate, the driving end of the servo motor extends into the moving groove to be fixedly connected with one end of a lead screw, and the other end of the lead screw is rotationally connected with the inner wall of the moving groove. The moving direction of the abrasive paper can be adjusted, polishing work in different directions can be conveniently carried out on different positions of the automobile door protection plate, and the flexibility of equipment is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of automobile accessories grinding equipment, in particular to a surface grinding device for an automobile door guard plate. Background Art

[0002] Auto parts are the various units that make up the whole of a car and a kind of product that serves the car. There are many kinds of auto parts. With the improvement of people's living standards, people's consumption of cars is increasing, and the market of auto parts is getting bigger and bigger. In recent years, auto parts manufacturers have also developed rapidly. Car door guards are an important type of auto parts. When car door guards are produced, their outer surfaces need to be polished. For car door panels that need to be polished locally, the staff often polishes them manually with sandpaper.

[0003] In this regard, the Chinese utility model patent with the authorization announcement number CN213004452U discloses a surface polishing device for automobile door guard plate production, including a bracket, the upper surface of the bracket is fixedly connected to a driving motor, the output end of the driving motor is fixedly connected to a driving gear, the upper surface of the bracket is interspersed with a crankshaft, the top of the crankshaft is fixedly connected to a driven gear, the driving gear is meshed with the driven gear, the outer surface of the crankshaft is sleeved with a sleeve, the lower surface of the bracket is provided with a slide groove, the inner sliding connection of the slide groove is connected to a slider, the left side of the slider is hinged with a connecting rod, and the connecting rod is fixedly connected to the sleeve. The surface polishing device for automobile door guard plate production is small in size, easy to carry and easy to use. The staff can operate it by hand and polish it with sandpaper, which is low in cost. The dust generated during polishing will be blown away, reducing the health hazards to the staff, and it is easy to promote and use.

[0004] However, when grinding different positions, the grinding direction needs to be changed, which requires the device to be rotated or moved, which makes grinding inconvenient. For this reason, we propose a surface polishing device for automobile door guard plates to solve the above problem. Utility Model Content

[0005] The utility model aims to provide a surface polishing device for a car door guard plate to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above purpose, the utility model provides the following technical solutions: a surface polishing device for a car door guard plate, comprising a connecting block,

[0007] The outer wall of the connecting block is fixedly connected to the adjusting handle, the connecting block is embedded with a stepping motor, the driving end of the stepping motor is fixedly connected to the bottom surface of the mounting seat, the top surface of the mounting seat is provided with a slide groove, the inner wall of the slide groove is provided with a mounting groove, the bottom surface of the mounting groove is fixedly connected to an electric push rod, the output end of the electric push rod is fixedly connected to a slider, the slider is fixedly connected to the bottom surface of the moving plate, and the top surface of the moving plate is fixedly connected to the bottom surface of the pad;

[0008] The top surface of the movable plate is provided with a movable groove, and a servo motor is installed on the side wall of the movable plate, and the driving end of the servo motor extends into the movable groove and is fixed to one end of the screw rod, and the other end of the screw rod is rotatably connected to the inner wall of the movable groove, and the screw rod is provided with a bidirectional thread, and two movable blocks are symmetrically clamped in the movable groove, and a movable hole is provided on the movable block, and the screw rod is clamped in the movable hole, and a threaded structure is provided on the inner wall of the movable hole and is clamped with the screw rod, and the top surface of the movable block is respectively fixed to one end of the bottom surface of the splint, and the side of the splint close to the pad respectively contacts the two ends of the sandpaper, and the sandpaper contacts the pad.

[0009] Preferably, the length and width of the sliding block are respectively equal to the width and depth of the sliding groove.

[0010] Preferably, the length and width of the moving block are respectively equal to the width and depth of the moving groove.

[0011] Preferably, the adjusting handle comprises a connecting rod, one end of the connecting rod is fixedly connected to the connecting block, the connecting rod is clamped in a clamping groove provided at one end of the adjusting rod, the outer wall of the connecting rod contacts the inner wall of the clamping groove, an adjustment cavity is provided in the end of the connecting rod away from the connecting block, a fixing hole is provided on one side of the inner wall of the adjusting cavity, a through hole is provided on the inner bottom surface of the clamping groove corresponding to the fixing hole, the adjustment block is clamped in the adjustment cavity, threaded structures are respectively provided on the outer wall of the adjustment block and the inner wall of the adjustment cavity and are clamped with each other, the adjustment block is fixed to one end of the fixing rod, and the other end of the fixing rod passes through the fixing hole and the through hole to be fixed to the rotating block, the fixing rod is fixed with an inner ring of a limiting ring, and the limiting ring is clamped in a limiting groove surrounded by the inner wall of the through hole.

[0012] Preferably, a grid-like anti-slip pattern is provided on the outer wall of the adjustment rod.

[0013] Preferably, the width and thickness of the limiting ring are respectively equal to the depth and width of the limiting groove.

[0014] Preferably, a control switch, a control panel for adjusting the stepping motor, the electric push rod and the servo motor are provided on the outer wall of the connecting block.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] 1. The utility model can adjust the moving direction of the sandpaper, which is convenient for grinding different positions of the automobile door guard plate in different directions and improves the flexibility of the equipment.

[0017] 2. The equipment can adjust the overall length of the handle to facilitate the grinding of different positions of the car door guard plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the vertical section structure of the utility model;

[0020] Figure 3 This is a schematic diagram of the cross-sectional structure of the vertical surface of the utility model;

[0021] Figure 4 It is a schematic diagram of the cross-sectional structure of the adjusting handle part in the utility model.

[0022] In the figure: 1. connecting block; 101. stepping motor; 2. adjusting handle; 21. connecting rod; 22. adjusting rod; 23. snap-fit ​​groove; 24. adjusting cavity; 25. fixing hole; 26. through hole; 27. adjusting block; 28. fixing rod; 29. ​​rotating block; 210. limiting ring; 211. limiting groove; 3. mounting seat; 301. slide groove; 302. mounting groove; 303. electric push rod; 4. slider; 401. moving plate; 402. moving groove; 5. pad; 6. servo motor; 7. screw rod; 8. moving block; 801. moving hole; 9. splint; 10. sandpaper; 11. control panel. DETAILED DESCRIPTION

[0023] 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.

[0024] Embodiment 1:

[0025] See also Figure 1-4 The utility model provides a technical solution: a surface polishing device for a car door guard plate, comprising a connecting block 1,

[0026] See also Figure 1 and Figure 2, the outer wall of the connecting block 1 is fixedly connected to the adjusting handle 2, the connecting block 1 is embedded with the stepping motor 101, the driving end of the stepping motor 101 is fixedly connected to the bottom surface of the mounting seat 3, the top surface of the mounting seat 3 is provided with a slide groove 301, the inner wall of the slide groove 301 is provided with a mounting groove 302, the inner bottom surface of the mounting groove 302 is fixedly connected to the electric push rod 303, the output end of the electric push rod 303 is fixedly connected to the slider 4, the slider 4 is fixedly connected to the bottom surface of the moving plate 401, and the top surface of the moving plate 401 is fixedly connected to the bottom surface of the pad 5. The equipment can drive the mounting seat 3 to rotate through the stepping motor 101, adjust the moving direction of the sandpaper 10, and facilitate the grinding work in different directions on different positions of the automobile door guard plate, thereby improving the flexibility of the equipment;

[0027] Furthermore, the length and width of the slider 4 are respectively equal to the width and depth of the slide groove 301 .

[0028] See also Figure 3 A moving groove 402 is provided on the top surface of the moving plate 401, and a servo motor 6 is installed on the side wall of the moving plate 401. The driving end of the servo motor 6 extends into the moving groove 402 and is fixedly connected to one end of the screw rod 7. The other end of the screw rod 7 is rotatably connected to the inner wall of the moving groove 402. A bidirectional thread is provided on the screw rod 7. Two moving blocks 8 are symmetrically clamped in the moving groove 402. A moving hole 801 is provided on the moving block 8. The screw rod 7 is clamped in the moving hole 801. A threaded structure is provided on the inner wall of the moving hole 801 and is clamped with the screw rod 7. The top surface of the moving block 8 is respectively fixed to one end of the bottom surface of the splint 9, and the side of the splint 9 close to the pad 5 respectively contacts the two ends of the sandpaper 10, and the sandpaper 10 contacts the pad 5.

[0029] Furthermore, the length and width of the moving block 8 are respectively equal to the width and depth of the moving groove 402 .

[0030] See also Figure 2 A control panel 11 for controlling switches, adjusting the stepping motor 101 , the electric push rod 303 and the servo motor 6 is disposed on the outer wall of the connecting block 1 .

[0031] Embodiment 2:

[0032] See also Figure 2 and Figure 4 , which is the second embodiment of the utility model, and this embodiment is based on the previous embodiment;

[0033] Specifically, the adjustment handle 2 includes a connecting rod 21, one end of the connecting rod 21 is fixedly connected to the connecting block 1, the connecting rod 21 is clamped in a clamping groove 23 provided at one end of the adjustment rod 22, the outer wall of the connecting rod 21 contacts the inner wall of the clamping groove 23, an adjustment cavity 24 is provided in the end of the connecting rod 21 away from the connecting block 1, a fixing hole 25 is provided on one side of the inner wall of the adjustment cavity 24, a through hole 26 is provided on the inner bottom surface of the clamping groove 23 corresponding to the fixing hole 25, an adjustment block 27 is clamped in the adjustment cavity 24, and a threaded structure is provided on the outer wall of the adjustment block 27 and the inner wall of the adjustment cavity 24 respectively and mutually The adjusting block 27 is fixedly connected to one end of the fixing rod 28, and the other end of the fixing rod 28 passes through the fixing hole 25 and the through hole 26 to be fixedly connected to the rotating block 29. The fixing rod 28 is fixedly connected to the inner ring of the limiting ring 210, and the limiting ring 210 is clamped in the limiting groove 211 arranged around the inner wall of the through hole 26. The device can drive the adjusting block 27 to rotate by twisting the rotating block 29 so that the fixing rod 28 moves the connecting rod 21 out of the locking groove 23, and adjusts the overall length of the adjusting handle 2. It is more flexible to use and convenient for grinding different positions of the automobile door guard plate.

[0034] Furthermore, a grid-like anti-skid pattern is provided on the outer wall of the adjustment rod 22 to increase friction and facilitate taking.

[0035] Furthermore, the width and thickness of the limiting ring 210 are respectively equal to the depth and width of the limiting groove 211 .

[0036] See also Figures 1 to 4 , which is the third embodiment of the utility model, and this embodiment is based on the above two embodiments;

[0037] When the utility model is in use, the whole device is picked up by adjusting the handle 2, and the electric push rod 303 is controlled by the control panel 11 to drive the slider 4 and the moving plate 401 to move continuously, so that the pad 5 and the sandpaper 10 are continuously moved to perform surface polishing work on the automobile door guard plate. The device can drive the mounting seat 3 to rotate through the stepping motor 101 to adjust the moving direction of the sandpaper 10, so as to facilitate the polishing work in different directions at different positions of the automobile door guard plate, thereby improving the flexibility of the device. The device can drive the fixing rod 28 to move by twisting the rotating block 29. The movable adjustment block 27 rotates to move the connecting rod 21 out of the engaging groove 23, and the overall length of the adjustment handle 2 is adjusted. It is more flexible to use and convenient for grinding different positions of the automobile door guard plate. When the sandpaper 10 needs to be replaced, the servo motor 6 can be controlled to drive the screw rod 7 to rotate, so that the moving block 8 drives the splint 9 to move, so that the splint 9 releases the clamping of the sandpaper 10 and removes it, and then replaces the new sandpaper 10, and then controls the servo motor 6 to drive the screw rod 7 to rotate, and uses the splint 9 to fix the two ends of the sandpaper 10, and then the grinding work can be continued.

[0038] 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 surface polishing device for a car door panel, comprising a connecting block (1), characterized in that: The outer wall of the connecting block (1) is fixedly connected to the adjusting handle (2); a stepping motor (101) is embedded and installed on the connecting block (1); a driving end of the stepping motor (101) is fixedly connected to the bottom surface of the mounting seat (3); a sliding groove (301) is provided on the top surface of the mounting seat (3); a mounting groove (302) is provided on the inner wall of the sliding groove (301); an electric push rod (303) is fixedly connected to the inner bottom surface of the mounting groove (302); an output end of the electric push rod (303) is fixedly connected to a sliding block (4); the sliding block (4) is fixedly connected to the bottom surface of a moving plate (401); and the top surface of the moving plate (401) is fixedly connected to the bottom surface of a pad (5); The top surface of the movable plate (401) is provided with a movable groove (402), and a servo motor (6) is installed on the side wall of the movable plate (401). The driving end of the servo motor (6) extends into the movable groove (402) and is fixedly connected to one end of a screw rod (7). The other end of the screw rod (7) is rotatably connected to the inner wall of the movable groove (402). The screw rod (7) is provided with a bidirectional thread. Two movable blocks (8) are symmetrically clamped in the movable groove (402). The movable blocks (8) are provided with a movable hole (801). The screw rod (7) is clamped in the movable hole (801). A threaded structure is provided on the inner wall of the movable hole (801) and is clamped with the screw rod (7). The top surface of the movable block (8) is respectively fixedly connected to one end of the bottom surface of the clamping plate (9). The side of the clamping plate (9) close to the pad (5) respectively contacts the two ends of the sandpaper (10), and the sandpaper (10) contacts the pad (5).

2. The surface polishing device for a vehicle door panel according to claim 1, characterized in that: The length and width of the sliding block (4) are respectively equal to the width and depth of the sliding groove (301).

3. The surface polishing device for a vehicle door panel according to claim 1, characterized in that: The length and width of the moving block (8) are respectively equal to the width and depth of the moving groove (402).

4. The surface polishing device for a vehicle door panel according to claim 1, characterized in that: The adjustment handle (2) comprises a connecting rod (21), one end of which is fixedly connected to the connecting block (1), the connecting rod (21) is clamped in a clamping groove (23) provided at one end of the adjustment rod (22), the outer wall of the connecting rod (21) contacts the inner wall of the clamping groove (23), an adjustment cavity (24) is provided in the end of the connecting rod (21) away from the connecting block (1), a fixing hole (25) is provided on one side of the inner wall of the adjustment cavity (24), and a through hole (26) is provided on the inner bottom surface of the clamping groove (23) corresponding to the fixing hole (25). ), an adjustment block (27) is clamped in the adjustment cavity (24), a threaded structure is respectively provided on the outer wall of the adjustment block (27) and the inner wall of the adjustment cavity (24) and are clamped with each other, the adjustment block (27) is fixedly connected to one end of a fixing rod (28), the other end of the fixing rod (28) passes through a fixing hole (25) and a through hole (26) to be fixedly connected to a rotating block (29), the inner ring of a limiting ring (210) is fixedly connected to the fixing rod (28), and the limiting ring (210) is clamped in a limiting groove (211) which is surrounded by the inner wall of the through hole (26).

5. The surface polishing device for a vehicle door panel according to claim 4, characterized in that: The outer wall of the adjustment rod (22) is provided with a grid-like anti-slip pattern.

6. The surface polishing device for a vehicle door panel according to claim 4, characterized in that: The width and thickness of the limiting ring (210) are respectively equal to the depth and width of the limiting groove (211).

7. The surface polishing device for a vehicle door panel according to claim 1, characterized in that: A control switch, an adjustment stepping motor (101), an electric push rod (303) and a control panel (11) for the servo motor (6) are arranged on the outer wall of the connection block (1).

Citation Information

Patent Citations

  • Surface polishing device for automobile door guard plate production

    CN213004452U