Grinding brush clamping jig

By designing the adjustment and clamping mechanism, the problems of complex disassembly of the grinding brush and difficulty in maintaining its height are solved, achieving flatness of the circuit board surface during grinding and stable locking of the shaft, thus improving the ease of operation.

CN223848987UActive Publication Date: 2026-01-30APEX DIAMOND TOOLS CO LTD
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Patent Information

Application Number
CN202520237057.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-14
Publication Date
2026-01-30
Estimated Expiration
2035-02-14

AI Technical Summary

Technical Problem

Existing clamping fixtures are complicated to disassemble when changing grinding brushes, and it is not easy to keep the two ends of the grinding brushes level, resulting in uneven grinding of the circuit board surface and difficulty in locking the rotating shaft.

Method used

A grinding brush clamping fixture including an adjustment mechanism and a clamping mechanism was designed. The size of the grinding brush is adjusted by the adjustment plate, and the clamping plate clamps the grinding brush to ensure that the two ends are level. The rotating shaft is locked by the limiting ring and the clamping plate.

Benefits of technology

It enables horizontal adjustment of the height at both ends of the grinding brush and stable locking of the rotating shaft, improving the flatness of the circuit board surface grinding and the ease of operation.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223848987U_ABST
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Abstract

The utility model belongs to the technical field of grinding, and particularly relates to a grinding brush clamping jig which comprises a working frame, and an adjusting mechanism and a clamping mechanism are arranged above the working frame. The clamping mechanism is located above the adjusting mechanism. The adjusting mechanism comprises an adjusting plate, and the adjusting plate can move left and right through the adjusting mechanism; the clamping mechanism comprises a clamping plate, and the clamping mechanism achieves the action that the clamping plate clamps the grinding brush. According to the grinding brush clamping jig, the adjusting mechanism and the clamping mechanism are arranged, the adjusting mechanism adjusts the size of a grinding brush needing to be replaced through an adjusting plate, the clamping mechanism conducts limiting clamping on the grinding brush through a clamping plate, and the problems that according to an existing clamping jig, the height of the two ends of the grinding brush cannot be guaranteed to be horizontal, the surface of a circuit board is not prone to being ground flatly, and the grinding efficiency is high are solved. And the rotating shaft rotates to drive the central shaft to rotate through the locking ring, so that locking is inconvenient.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of grinding, especially to a grinding brush clamping jig. BACKGROUND

[0002] A grinding brush clamping jig (announcement number: CN219005716U) is disclosed on the Chinese patent website, which solves the technical problems of complex disassembly process of the traditional clamping jig when replacing a new grinding brush, low disassembly efficiency of the grinding brush, but still has the following problems:

[0003] In actual use, the grinding material is added to the grinding brush, and the surface of the circuit board is ground with the grinding brush to make the surface of the circuit board more flat. When the central shaft needs to be rotated, the rotating force is applied to the lug of the limiting ring, and the lug can provide force to the limiting ring. However, the height of the two ends of the grinding brush cannot be guaranteed to be horizontal, it is not easy to grind the surface of the circuit board flat, and the rotation of the shaft through the locking ring to drive the rotation of the central shaft is not convenient to lock, thereby not convenient to use. UTILITY MODEL CONTENTS

[0004] Based on the existing clamping jig, the height of the two ends of the grinding brush cannot be guaranteed to be horizontal, it is not easy to grind the surface of the circuit board flat, and the rotation of the shaft through the locking ring to drive the rotation of the central shaft is not convenient to lock, the utility model provides a grinding brush clamping jig.

[0005] The utility model provides a grinding brush clamping jig, including the work rest, the upper of work rest is provided with adjusting mechanism and clamping mechanism respectively.

[0006] The clamping mechanism is located above the adjusting mechanism.

[0007] The adjusting mechanism comprises an adjusting plate, and the adjusting mechanism realizes the left and right movement of the adjusting plate.

[0008] The clamping mechanism comprises a clamping plate, and the clamping mechanism realizes the action of clamping the grinding brush.

[0009] Preferably, the adjusting mechanism further comprises an adjusting screw, the surface of the adjusting screw is rotatably connected with the surface of the work rest, the surface of the adjusting screw is fixedly connected with an adjusting pulley, two adjusting screws are symmetrically distributed with the axis of the work rest as the center, the surfaces of two adjusting pulleys are drivingly connected by a belt, the surface of the work rest is fixedly connected with an adjusting motor, and the output shaft of the adjusting motor is fixedly connected with one end of the adjusting screw through a coupling.

[0010] Preferably, the surface of the work stand is provided with an adjusting groove, the surface of the adjusting plate is in sliding connection with the surface of the adjusting groove, the surfaces of the two adjusting screws are in threaded connection with the surface of the adjusting plate, and the surface of the work stand is in sliding connection with a powder collecting box.

[0011] Preferably, the clamping mechanism further comprises a clamping support, a clamping motor is fixedly connected to the upper surface of the work stand, the surface of the clamping support is fixedly connected with the surface of the work stand, a rotating shaft is rotatably connected to the surface of the clamping support, and the output shaft of the clamping motor is fixedly connected with a connecting snap ring through a shaft coupling, and the inner wall of the connecting snap ring is in sliding connection with the surface of the rotating shaft.

[0012] Preferably, the surface of the rotating shaft is fixedly connected with a limiting ring and a brush body, respectively, the two limiting rings are linearly arranged in the axial direction of the rotating shaft, the surface of the rotating shaft is rotatably connected with the surface of the adjusting plate, and the surfaces of the two limiting rings are in sliding connection with the surface of the adjusting plate.

[0013] Preferably, the surface of the clamping plate is rotatably connected with the surface of the adjusting plate, the surface of the clamping plate is in sliding connection with the surface of the rotating shaft, the surface of the clamping plate is provided with a clamping screw, the surface of the clamping screw is in threaded connection with the surface of the clamping plate and the surface of the adjusting plate, respectively, and one end of the clamping screw is fixedly connected with a rotating wheel.

[0014] The beneficial effects in the utility model are as follows:

[0015] By setting the adjusting mechanism and the clamping mechanism, the adjusting mechanism adjusts the size of the grinding brush to be replaced through the adjusting plate, the clamping mechanism limits and clamps the grinding brush through the clamping plate, and the height of the two ends of the grinding brush cannot be guaranteed to be horizontal by the existing clamping jig, the circuit board surface is not easy to grind flat, and the center shaft is inconvenient to lock by the rotation of the rotating shaft. BRIEF DESCRIPTION OF DRAWINGS

[0016] Fig. 1 A schematic diagram of the grinding brush clamping jig is provided for the utility model;

[0017] Fig. 2 A three-dimensional view of the adjusting pulley structure of the grinding brush clamping jig is provided for the utility model;

[0018] Fig. 3 A three-dimensional view of the limiting ring structure of the grinding brush clamping jig is provided for the utility model.

[0019] In the figure: 1, working frame; 2, adjusting plate; 3, clamping plate; 201, adjusting screw; 202, adjusting pulley; 203, adjusting motor; 204, adjusting groove; 205, powder collecting box; 301, clamping support; 302, clamping motor; 303, rotating shaft; 304, connecting snap ring; 305, limiting ring; 306, brush body; 307, clamping screw; 308, rotating wheel. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0021] Referring to Figs. 1-3 A grinding brush clamping jig, comprising a working frame 1, an adjusting mechanism and a clamping mechanism are arranged above the working frame 1 respectively.

[0022] The clamping mechanism is located above the adjusting mechanism.

[0023] The adjusting mechanism comprises an adjusting plate 2, and the adjusting mechanism realizes the action of moving the adjusting plate 2 left and right.

[0024] The clamping mechanism comprises a clamping plate 3, and the clamping mechanism realizes the action of clamping the grinding brush by the clamping plate 3.

[0025] The adjusting mechanism further comprises adjusting screws 201, the surfaces of the adjusting screws 201 are rotationally connected with the surface of the working frame 1, the surface of each adjusting screw 201 is fixedly connected with an adjusting pulley 202, the two adjusting screws 201 are symmetrically distributed with the axis of the working frame 1 as the center, the surfaces of the two adjusting pulleys 202 are drivingly connected through a belt, the surface of the working frame 1 is fixedly connected with an adjusting motor 203, and the output shaft of the adjusting motor 203 is fixedly connected with one end of the adjusting screw 201 through a coupling.

[0026] Further, the adjusting motor 203 drives the adjusting screw 201 to rotate, the adjusting pulleys 202 on the surfaces of the two adjusting screws 201 are drivingly connected through a belt, and the two adjusting screws 201 are driven to rotate synchronously.

[0027] The surface of the working frame 1 is provided with an adjusting groove 204, the surface of the adjusting plate 2 is slidingly connected with the surface of the adjusting groove 204, the surfaces of the two adjusting screws 201 are threadedly connected with the surface of the adjusting plate 2, and the surface of the working frame 1 is slidingly connected with a powder collecting box 205.

[0028] Further, the two adjusting screws 201 drive the adjusting plate 2 to move linearly along the axis direction of the adjusting screw 201.

[0029] The clamping mechanism further comprises a clamping support 301, the upper portion of the workbench 1 is fixedly connected with a clamping motor 302, the surface of the clamping support 301 is fixedly connected with the surface of the workbench 1, the surface of the clamping support 301 is rotatably connected with a rotating shaft 303, the output shaft of the clamping motor 302 is fixedly connected with a connecting snap ring 304 through a shaft coupling, and the inner wall of the connecting snap ring 304 is slidably connected with the surface of the rotating shaft 303.

[0030] Further, the clamping motor 302 drives the rotating shaft 303 to rotate through the connecting snap ring 304, and the surface of the rotating shaft 303 is connected with the inner wall of the connecting snap ring 304, which facilitates disassembly and assembly.

[0031] The surface of the rotating shaft 303 is fixedly connected with a limiting ring 305 and a brush body 306, respectively, the two limiting rings 305 are linearly arrayed in the axial direction of the rotating shaft 303, the surface of the rotating shaft 303 is rotatably connected with the surface of the adjusting plate 2, and the surfaces of the two limiting rings 305 are slidably connected with the surface of the adjusting plate 2.

[0032] Further, the surface of the rotating shaft 303 is slidably connected with the surface of the adjusting plate 2 through the two limiting rings 305, and the rotating shaft 303 is limited.

[0033] The surface of the clamping plate 3 is rotatably connected with the surface of the adjusting plate 2, the surface of the clamping plate 3 is slidably connected with the surface of the rotating shaft 303, the surface of the clamping plate 3 is provided with a clamping screw 307, the surface of the clamping screw 307 is threadedly connected with the surface of the clamping plate 3 and the surface of the adjusting plate 2, respectively, and one end of the clamping screw 307 is fixedly connected with a rotating wheel 308.

[0034] Further, the surface of the clamping plate 3 is rotatably connected with the surface of the adjusting plate 2, which facilitates disassembly and assembly of the brush body 306, the clamping screw 307 fixes the rotating shaft 303 between the clamping plate 3 and the adjusting plate 2, and the two ends of the rotating shaft 303 are kept horizontal.

[0035] By arranging the adjusting mechanism and the clamping mechanism, the adjusting mechanism adjusts the size of the grinding brush to be replaced through the adjusting plate, the clamping mechanism limits and clamps the brush body 306 through the clamping plate 3, the height of the two ends of the grinding brush cannot be guaranteed to be horizontal by the existing clamping jig, the surface of the circuit board is not easy to grind flat, and the rotating shaft 303 is inconvenient to lock when rotating through the locking ring to drive the central shaft to rotate.

[0036] Working principle:

[0037] Before use, the adjusting motor 203 on the surface of the driving work frame 1 drives the adjusting screw 201 to rotate, the adjusting pulley 202 arranged on the surface of the two adjusting screws 201 is connected through the belt transmission, the synchronous rotation of the two adjusting screws 201 is realized, the two adjusting screws 201 are all in threaded connection with the surface of the adjusting plate 2, the adjusting plate 2 is driven to move linearly along the axial direction of the adjusting screw 201, the surface of the adjusting plate 2 is in sliding connection with the surface of the adjusting groove 204 arranged on the work frame 1, one end of the brush body 306 is placed above the adjusting plate 2, the surface of the rotating shaft 303 is in sliding connection with the surface of the adjusting plate 2, the limiting plate is arranged on the surface of the rotating shaft 303, the surfaces of the two limiting plates are all in sliding connection with the surface of the adjusting plate 2, the adjusting motor 203 is driven to drive the adjusting plate 2 to move close to the clamping support 301 arranged above the work frame 1 through the adjusting screw 201, the surface of the rotating shaft 303 is in sliding connection with the surface of the clamping support 301, the clamping motor 302 is arranged above the work frame 1, the other end of the rotating shaft 303 is in sliding connection with the connecting clasp ring 304 fixedly connected with the output shaft of the clamping motor 302, the clamping plate 3 above the adjusting plate 2 is rotated after the other end of the rotating shaft 303 is connected with the connecting clasp ring 304, the surface of the clamping plate 3 is in sliding connection with the surfaces of the two limiting rings 305 and the surface of the rotating shaft 303 respectively, the clamping screw 307 is arranged on the surface of the clamping plate 3, the rotating wheel 308 at one end of the clamping screw 307 is rotated, the surface of the clamping screw 307 is in threaded connection with the surface of the clamping plate 3 and the surface of the adjusting plate 2 respectively, the end of the rotating shaft 303 is prevented from jumping up and down, and the powder collecting box is placed below the rotating shaft 303 to collect the ground powder.

[0038] The above merely describes a preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this. Any skilled person in the art, according to the technical scheme and the inventive concept of the present application, makes equivalent replacement or change within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A jig for mounting a polishing brush, comprising a work stand (1), characterized in that: The upper part of the work frame (1) is respectively provided with an adjusting mechanism and a clamping mechanism; The clamping mechanism is located above the adjusting mechanism; The adjusting mechanism comprises an adjusting plate (2), and the adjusting mechanism realizes the left and right movement of the adjusting plate (2); The clamping mechanism comprises a clamping plate (3), and the clamping mechanism realizes the clamping of the grinding brush.

2. The abrasive brush mounting jig according to claim 1, wherein: The adjusting mechanism further comprises an adjusting screw rod (201), the surface of the adjusting screw rod (201) is rotationally connected with the surface of the work frame (1), the surface of the adjusting screw rod (201) is fixedly connected with an adjusting belt pulley (202), the two adjusting screw rods (201) are symmetrically distributed with the axis of the work frame (1) as the center, the surfaces of the two adjusting belt pulleys (202) are drivingly connected through a belt, the surface of the work frame (1) is fixedly connected with an adjusting motor (203), and the output shaft of the adjusting motor (203) is fixedly connected with one end of the adjusting screw rod (201) through a shaft coupling.

3. The abrasive brush mounting jig according to claim 2, wherein: The surface of the work frame (1) is provided with an adjusting groove (204), the surface of the adjusting plate (2) is slidingly connected with the surface of the adjusting groove (204), the surfaces of the two adjusting screw rods (201) are threadedly connected with the surface of the adjusting plate (2), and the surface of the work frame (1) is slidingly connected with a powder collecting box (205).

4. The abrasive brush mounting jig according to claim 1, wherein: The clamping mechanism further comprises a clamping support (301), the upper part of the work frame (1) is fixedly connected with a clamping motor (302), the surface of the clamping support (301) is fixedly connected with the surface of the work frame (1), the surface of the clamping support (301) is rotationally connected with a rotating shaft (303), the output shaft of the clamping motor (302) is fixedly connected with a connecting snap ring (304) through a shaft coupling, and the inner wall of the connecting snap ring (304) is slidingly connected with the surface of the rotating shaft (303).

5. The abrasive brush mounting jig according to claim 4, wherein: The surface of the rotating shaft (303) is fixedly connected with a limiting ring (305) and a brush body (306), the two limiting rings (305) are linearly arrayed in the axial direction of the rotating shaft (303), the surface of the rotating shaft (303) is rotationally connected with the surface of the adjusting plate (2), and the surfaces of the two limiting rings (305) are slidingly connected with the surface of the adjusting plate (2).

6. The abrasive brush mounting jig according to claim 5, wherein: The surface of the clamping plate (3) is rotationally connected with the surface of the adjusting plate (2), the surface of the clamping plate (3) is slidingly connected with the surface of the rotating shaft (303), the surface of the clamping plate (3) is provided with a clamping screw rod (307), the surface of the clamping screw rod (307) is threadedly connected with the surfaces of the clamping plate (3) and the adjusting plate (2), and one end of the clamping screw rod (307) is fixedly connected with a rotating wheel (308).

Citation Information

Patent Citations

  • Grinding brush clamping jig

    CN219005716U