Abrasive paper polishing device

By adopting a limited position structure and an adjustable support structure in the sandpaper grinding device, the problem of sandpaper damage caused by the uncontrollable clamping force is solved, and stable limit and appropriate clamping between the sandpaper and the support plate are achieved.

CN222430281UActive Publication Date: 2025-02-07GOODSUN NEW MATERIAL TECH HUBEI CO LTD
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Patent Information

Application Number
CN202421187150.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-29
Publication Date
2025-02-07
Estimated Expiration
2034-05-29

AI Technical Summary

Technical Problem

Existing sandpaper grinding devices usually limit the sandpaper and support plates through clips, but the clamping force of the clips cannot be controlled, resulting in easy damage to the sandpaper.

Method used

A sandpaper grinding device is designed, adopting a limited position structure, including a positioning plate, a limit frame, a support spring and a limit block. The limit effect between the sandpaper and the support plate is achieved through the contraction and reset of the support spring, and the limit effect between the sandpaper and the support plate can be achieved through The adjusted support structure ensures proper clamping force.

Benefits of technology

It effectively avoids the problem of sandpaper damage caused by uncontrollable clamping force, realizes the stable limit between the sandpaper and the support plate, and extends the service life of the sandpaper.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of polishing devices, in particular to an abrasive paper polishing device, which comprises a device body, an abrasive paper polishing device and a polishing device, limiting structures are connected to the two sides of the surface of the top end of the abrasive paper and comprise positioning plates, the outer walls of the top ends of the positioning plates are sleeved with limiting frames, and supporting springs are connected to the two sides of the inner surfaces of the limiting frames. The control plate is pulled to drive the supporting spring connected with one end of the limiting block to contract, then the positioning plates connected with the two sides of the top end of the abrasive paper penetrate through the through grooves formed in the supporting plate to be inserted into the limiting frame, and then the control plate is released to enable the supporting spring to support the limiting block to reset. And one end of the limiting block is inserted into a limiting groove formed in the positioning plate, the positioning plate is limited through the limiting block, so that the assembly limiting effect between the supporting plate and the abrasive paper is achieved, and the problem that the clamping force of the clamp cannot be controlled, and the abrasive paper is damaged is solved.
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Description

Technical Field

[0001] The utility model relates to the technical field of grinding devices, in particular to a sandpaper grinding device. Background Art

[0002] Sandpaper is a common tool used for grinding, polishing and finishing the surface of materials. It consists of sand grains and processing backing paper. Depending on the size and density of the sand grains, the sandpaper grinding device can be used in various work scenarios, such as woodworking, metal processing, auto repair, etc. Sandpaper has the following main functions.

[0003] When the existing sandpaper grinding device is used, the function of the sandpaper grinding device is to grind, polish and trim the surface of the material, but the existing sandpaper grinding device usually uses a clamp to limit the position between the sandpaper and the support plate, but the clamping force of the clip cannot be controlled, which easily causes the problem of damage to the sandpaper. Utility Model Content

[0004] The utility model aims to provide a sandpaper grinding device to solve the problem that the existing sandpaper grinding device proposed in the above background technology usually uses a clamp to limit the position between the sandpaper and the support plate, but the clamping force of the clamp cannot be controlled, which easily causes damage to the sandpaper.

[0005] In order to achieve the above object, the utility model provides the following technical solution, a sandpaper grinding device, comprising:

[0006] The device body comprises a support plate, and sandpaper is arranged at the bottom of the support plate;

[0007] The two sides of the top surface of the sandpaper are connected with a limiting structure, including a positioning plate, the top outer wall of the positioning plate is sleeved with a limiting frame, the two sides of the inner surface of the limiting frame are connected with supporting springs, one end of the supporting spring is connected to a limiting block, and the top of the limiting block is connected to a control plate.

[0008] Preferably, through slots are provided on both sides of the support plate, and the top end of the positioning plate passes through the through slots provided on the support plate and is inserted into the interior of the limiting frame.

[0009] Preferably, limiting grooves are provided on both sides of the positioning plate, and one end of the limiting block is inserted into the limiting groove provided on the positioning plate.

[0010] Preferably, slide grooves are provided on both sides of the top surface of the limiting frame, and the bottom end of the control panel passes through the slide grooves provided on the limiting frame and is connected to the limiting block.

[0011] Preferably, support structures are connected to both sides of the support plate surface, and the support structure includes a fixed seat, a compression spring is connected inside the fixed seat, a movable block is connected to the top of the compression spring, a handle is connected to one side of the movable block, and a fixing screw is inserted inside the handle.

[0012] Preferably, a movable groove is opened on one side of the fixing seat, the bottom end of the compression spring is connected to one side of the inner wall of the movable groove opened on the fixing seat, and the movable block is inserted into the movable groove opened on the fixing seat and is slidably connected to the fixing seat.

[0013] Preferably, a thread groove is provided on the surface of the support plate, a through hole is provided on the surface of the handle, and the bottom end of the fixing screw passes through the through hole provided in the handle and is rotatably connected to the inside of the thread groove provided in the support plate.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] 1. Pull the control panel to drive the supporting spring connected to one end of the limit block to contract, and then insert the positioning plates connected on both sides of the top of the sandpaper through the through slots provided on the supporting panel and into the limit frame. Release the control panel to reset the support spring supporting the limit block, so that one end of the limit block is inserted into the limiting slot provided on the positioning panel, and the limiting panel is used to limit the positioning plate, thereby achieving the assembly limiting effect between the support panel and the sandpaper, and avoiding the problem that the clamping force of the clip cannot be controlled and the sandpaper is damaged.

[0016] 2. Turn the fixing screw to disengage it from the threaded groove of the support plate, and then pull the handle to make the handle drive the movable block to slide in the movable groove of the fixed seat, and pull the compression spring to stretch it, so as to adjust it to suit fingers of different thicknesses, and use the fixed seat and the handle to form a support point for the support plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a front view stereoscopic schematic diagram of the structure of the utility model;

[0018] Figure 2 It is a front view and cutaway perspective diagram of the structure of the utility model;

[0019] Figure 3 It is a schematic diagram of a side cutaway perspective view of the structure of the utility model;

[0020] Figure 4 It is a partially cutaway perspective schematic diagram of the structure of the utility model from a side view;

[0021] Figure 5 It is a partially cutaway three-dimensional schematic diagram of the structure of the utility model when viewed from above.

[0022] In the figure: 1. device body; 11. support plate; 12. sandpaper; 2. limit structure; 21. positioning plate; 22. limit frame; 23. support spring; 24. limit block; 25. control board; 3. support structure; 31. fixed seat; 32. compression spring; 33. movable block; 34. handle; 35. fixing screw. 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] See also Figure 1-5 , an embodiment provided by the utility model:

[0025] A sandpaper polishing device, comprising:

[0026] The device body 1 includes a support plate 11, and a sandpaper 12 is arranged at the bottom of the support plate 11. The electrical components in the control panel 13 are prior art and can be purchased on the market. They are not the technical protection points of this application, so no excessive description is made;

[0027] The limiting structure 2 is connected to both sides of the top surface of the sandpaper 12, including a positioning plate 21, the outer wall of the top of the positioning plate 21 is sleeved with a limiting frame 22, and the inner surface of the limiting frame 22 is connected to support springs 23 on both sides, one end of the support spring 23 is connected to a limiting block 24, and the top of the limiting block 24 is connected to a control board 25.

[0028] Furthermore, through slots are provided on both sides of the support plate 11 , and the top end of the positioning plate 21 passes through the through slots provided in the support plate 11 and is inserted into the limiting frame 22 , so that the positioning plate 21 is positioned through the through slots provided in the support plate 11 .

[0029] Furthermore, limiting grooves are provided on both sides of the positioning plate 21 , and one end of the limiting block 24 is inserted into the limiting groove of the positioning plate 21 , so that the limiting block 24 is limited by the limiting groove of the positioning plate 21 .

[0030] Furthermore, slide grooves are provided on both sides of the top surface of the limit frame 22, and the bottom end of the control board 25 passes through the slide grooves provided in the limit frame 22 and is connected to the limit block 24, so that the control board 25 can be moved and limited by the slide grooves provided in the limit frame 22.

[0031] Furthermore, support structures 3 are connected to both sides of the surface of the support plate 11, and the support structure 3 includes a fixed seat 31, a compression spring 32 is connected inside the fixed seat 31, a movable block 33 is connected to the top of the compression spring 32, and a handle 34 is connected to one side of the movable block 33. A fixing screw 35 is inserted inside the handle 34, so that the support plate 11 is supported by the fixed seat 31 and the handle 34.

[0032] Furthermore, a movable groove is opened on one side of the fixed seat 31, and the bottom end of the compression spring 32 is connected to one side of the inner wall of the movable groove opened on the fixed seat 31. The movable block 33 is inserted into the movable groove opened on the fixed seat 31 and is slidably connected to the fixed seat 31, so that the movable block 33 can be moved and limited by the movable groove opened on the fixed seat 31.

[0033] Furthermore, a threaded groove is provided on the surface of the support plate 11, and a through hole is provided on the surface of the handle 34. The bottom end of the fixing screw 35 passes through the through hole of the handle 34 and is rotatably connected to the inside of the threaded groove of the support plate 11, thereby limiting the handle 34 through the fixing screw 35.

[0034] Working principle: When the sandpaper grinding device is limited, the control plate 25 is pulled to drive the support spring 23 connected to one end of the limit block 24 to contract, and then the positioning plates 21 connected to both sides of the top of the sandpaper 12 are inserted into the limit frame 22 through the through grooves opened in the support plate 11. When the control plate 25 is released, the support spring 23 supports the limit block 24 to reset, so that one end of the limit block 24 is inserted into the limit groove opened in the positioning plate 21, and the positioning plate 21 is limited by the limit block 24, thereby achieving the assembly limit effect between the support plate 11 and the sandpaper 12.

[0035] When the sandpaper grinding device is supported, the fixing screw 35 is rotated to disengage it from the threaded groove opened in the support plate 11, and then the handle 34 is pulled, so that the handle 34 drives the movable block 33 to slide in the movable groove opened in the fixed seat 31, and pulls the compression spring 32 to stretch it, so as to adjust to different thicknesses of fingers, and the fixed seat 31 and the handle 34 are used to form a support point for the support plate 11.

[0036] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A sandpaper polishing device, characterized in that: include: The device body (1) comprises a support plate (11), and sandpaper (12) is arranged at the bottom of the support plate (11); The two sides of the top surface of the sandpaper (12) are connected to a limiting structure (2), comprising a positioning plate (21), the top outer wall of the positioning plate (21) is sleeved with a limiting frame (22), the two sides of the inner surface of the limiting frame (22) are connected to a supporting spring (23), one end of the supporting spring (23) is connected to a limiting block (24), and the top of the limiting block (24) is connected to a control plate (25).

2. A sandpaper polishing device according to claim 1, characterized in that: Through slots are provided on both sides of the support plate (11), and the top end of the positioning plate (21) passes through the through slots provided on the support plate (11) and is inserted into the interior of the limiting frame (22).

3. A sandpaper polishing device according to claim 1, characterized in that: Limiting grooves are provided on both sides of the positioning plate (21), and one end of the limiting block (24) is inserted into the limiting groove provided on the positioning plate (21).

4. A sandpaper polishing device according to claim 1, characterized in that: Slide grooves are provided on both sides of the top surface of the limiting frame (22), and the bottom end of the control panel (25) passes through the slide grooves provided on the limiting frame (22) and is connected to the limiting block (24).

5. The sandpaper polishing device according to claim 1, characterized in that: The support plate (11) has support structures (3) connected to both sides of its surface. The support structure (3) includes a fixed seat (31). A compression spring (32) is connected to the inside of the fixed seat (31). A movable block (33) is connected to the top of the compression spring (32). A handle (34) is connected to one side of the movable block (33). A fixing screw (35) is inserted into the inside of the handle (34).

6. A sandpaper polishing device according to claim 5, characterized in that: A movable groove is provided on one side of the fixed seat (31), the bottom end of the compression spring (32) is connected to one side of the inner wall of the movable groove provided in the fixed seat (31), and the movable block (33) is inserted into the movable groove provided in the fixed seat (31) and is slidably connected to the fixed seat (31).

7. A sandpaper polishing device according to claim 5, characterized in that: The support plate (11) has a thread groove on its surface, the handle (34) has a through hole on its surface, and the bottom end of the fixing screw (35) passes through the through hole in the handle (34) and is rotatably connected to the thread groove in the support plate (11).