Coated abrasive tool with protective structure

By designing a protective structure on the coated abrasive, including an automatic sealing mechanism with baffles and elastic elements, the safety hazards during machine grinding are solved, and safety and convenience are improved.

CN224102563UActive Publication Date: 2026-04-10SUZHOU JUJIANG PRECISION TECHNOLOGY CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-01
Publication Date
2026-04-10

AI Technical Summary

Technical Problem

During machine polishing, the high-speed rotation of the coated abrasive posed a risk of injury to workers, and existing technologies lack effective protective measures.

Method used

A coated abrasive with a protective structure was designed, including a motor, a transmission rod, a sandpaper disc, a partition, a platform plate, and a protective component. The protective component consists of a baffle, a protective semi-circle, and an elastic element. The baffle can automatically close the sandpaper disc to prevent accidental contact, and the platform plate is detachable for easy replacement of the sandpaper disc.

Benefits of technology

It effectively prevents workers from accidentally coming into contact with the sandpaper disc during the sanding process, reducing the risk of injury. At the same time, it facilitates the replacement of the sandpaper disc and the collection of waste materials, improving operational safety and production efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a coated abrasive tool with a protective structure, which comprises a motor, a transmission rod fixed on the motor, an abrasive paper disc mounted on the transmission rod, a partition plate sleeved outside the transmission rod, a mounting block mounted on the partition plate, a platform plate mounted on the mounting block, a protective half ring arranged on the partition plate, a baffle hinged to the platform plate, a hanging plate arranged on the baffle and a hanging ring arranged on the partition plate. The hanging plate and the hanging ring are provided with elastic pieces; a worker pulls down the baffle, places a to-be-polished object on the baffle and the platform plate, and pushes the object to be close to the abrasive paper disc for polishing; in the process of pulling down the baffle, after the elastic piece is stretched and the article is moved away, the elastic piece shrinks to drive the baffle to abut against the protection half ring on the upper side to cover the abrasive paper disc, and injuries caused by accidental touch of personnel after polishing are avoided.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of coated abrasive tool, specifically relates to a coated abrasive tool with protective structure. BACKGROUND

[0002] Coated abrasive tool, also known as flexible abrasive tool in the industry, firmly adheres abrasive to flexible substrate through adhesive; such innovative structure endows it with excellent flexibility and adhesion, enabling it to play an important role in manufacturing and processing field; from precision grinding of various parts in metal processing industry to smooth furniture surface in wood processing; from fine carving of ceramics and plastics to surface treatment of leather and rubber products, and even accurate finishing of paint and putty, the figure of coated abrasive tool can be seen, and key processes such as material grinding, polishing and polishing can be easily realized.

[0003] In actual use link, coated abrasive tool mainly has two operation modes of manual polishing and machine polishing; manual polishing has high flexibility and is suitable for processing fine and complex surface; machine polishing drives coated abrasive tool to rotate at high speed by virtue of powerful power, greatly improves processing efficiency and meets large-scale production demand.

[0004] However, machine polishing not only brings high efficiency, but also hides safety risk; when abrasive tool is running at high speed, staff will be injured by strong grinding force of abrasive tool if hands or other body parts accidentally touch running abrasive tool; such accidents not only cause serious threat to health of staff, but also bring negative influence to production and operation of enterprise; therefore, the utility model provides a coated abrasive tool with protective structure to solve the above problems. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a coated abrasive tool with protective structure to solve problems in the background art.

[0006] To achieve the above technical purpose, the utility model adopts the following technical scheme:

[0007] A coated abrasive tool with protective structure, comprising a motor, a transmission rod fixed to the output end of the motor, a sandpaper disc installed at the end of the transmission rod, a partition plate sleeved outside the transmission rod, two installation blocks symmetrically arranged at the middle part of the front end of the partition plate, a platform plate commonly installed on the two installation blocks, the sandpaper disc located between the partition plate and the platform plate, and a protection assembly arranged between the platform plate and the partition plate.

[0008] The protective assembly comprises a baffle, the front end of the baffle is provided with upper and lower symmetrical protective half circles, the sandpaper disc is located inside the two protective half circles, the baffle is hinged to the upper end of the platform plate, and the front end of the upper protective half circle abuts against the baffle, symmetrical hanging plates are arranged on the left and right ends of the baffle, and symmetrical hanging rings are arranged on the upper end of the front end of the baffle.

[0009] Further limitation, the upper end of the baffle is provided with a protruding block.

[0010] Further limitation, the upper end of the platform plate is provided with a clamping groove matched with the baffle.

[0011] Further limitation, an L-shaped support plate is fixed to the front end of the baffle, and the vertical plate of the L-shaped support plate abuts against the lower end of the platform plate.

[0012] Further limitation, the upper end of the horizontal plate of the L-shaped support plate is provided with a waste box.

[0013] Further limitation, the upper end of the horizontal plate of the L-shaped support plate is provided with a limiting strip, and the waste box is located between the two limiting strips.

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

[0015] 1. The protective half circle wraps around the side of the sandpaper disc, and can protect the side of the sandpaper disc; the elastic member automatically controls the baffle to fold after polishing, so that the baffle cooperates with the protective half circle to form a closed protective space, covers the sandpaper disc, blocks the accidental contact of the staff with the sandpaper disc, and reduces the risk of accidents.

[0016] 2. The installation block allows the platform plate to be detachable, facilitating replacement of the sandpaper disc; the baffle is provided with a protruding block, facilitating opening of the baffle; the clamping groove of the platform plate is matched with the baffle, the upper end surface of the baffle is flat after being clamped into the clamping groove, facilitating placement and pushing of the object to be polished to approach the sandpaper disc.

[0017] 3. The L-shaped support plate provides additional support for the platform plate, enhances the stability of the overall structure, and prevents the platform plate from shaking and moving during work; the limiting strip is arranged on the horizontal plate of the L-shaped support plate, the position of the waste box is fixed, the waste box can stably collect the grinding waste, and the working environment is maintained clean. BRIEF DESCRIPTION OF DRAWINGS

[0018] The utility model can be further illustrated by the non-limiting embodiments shown in the drawings.

[0019] Figure 1 The utility model is a structure diagram of a coated abrasive tool with a protective structure Figure 1 ;

[0020] Figure 2The utility model discloses a structure diagram of a coated abrasive tool with a protection structure Figure 2 ;

[0021] Figure 3 The utility model discloses a structure diagram of a coated abrasive tool with a protection structure Figure 3 ;

[0022] The main element symbol explanation is as follows:

[0023] Transmission rod 100, sandpaper disc 101, partition 102, mounting block 103, platform plate 104, baffle 105, protection half ring 106, hanging plate 107, hanging ring 108, elastic element 109, convex block 200, clamping groove 201, L-shaped support plate 202, waste box 203, limiting strip 204. Specific embodiment

[0024] In order to make the technical personnel in the prior art can better understand the utility model, the utility model technical scheme is further explained below in connection with the drawings and examples.

[0025] Example one:

[0026] As Figures 1-3 Indicated, a kind of coated abrasive tool with protection structure, including motor, the output of motor is fixed with transmission rod 100, transmission rod 100 end installs sandpaper disc 101, transmission rod 100 outside is equipped with partition 102, partition 102 front end middle part is symmetrically equipped with mounting block 103, two mounting blocks 103 are commonly installed with platform plate 104, sandpaper disc 101 is located between partition 102 and platform plate 104, and protection assembly is equipped between platform plate 104 and partition 102;

[0027] Protection assembly includes baffle 105, partition 102 front end is equipped with upper and lower symmetric protection half ring 106, sandpaper disc 101 is located inside two protection half rings 106, baffle 105 is hinged on platform plate 104 upper end, and baffle 105 and upper protection half ring 106 front end abut, baffle 105 left and right ends are symmetrically equipped with hanging plate 107, partition 102 front end upper side is symmetrically equipped with hanging ring 108, and the same side's hanging plate 107 and hanging ring 108 are equipped with elastic element 109 between.

[0028] Motor is power source, drives transmission rod 100 rotation through output end, and sandpaper disc 101 installed at transmission rod 100 end is the key component of grinding work;

[0029] The partition plate 102 is sleeved outside the transmission rod 100 and plays a certain isolation and support role; the design of the mounting block 103 makes the platform plate 104 a detachable structure, and after the platform plate 104 is removed, the sandpaper disc 101 can be replaced; the platform plate 104 is used for placing the object to be polished, and the worker can push the object close to the sandpaper disc 101 to realize polishing of the object;

[0030] The two protective half circles 106 wrap the side of the sandpaper disc 101 to prevent the side of the sandpaper disc 101 from causing injury to the worker; the baffle 105 is hinged to the upper end of the platform plate 104 and can rotate around the hinge point and abut against the front end of the upper protective half circle 106 to form a closed protective space and cover the upper part of the sandpaper disc 101, further protecting the worker from injury;

[0031] The elastic member 109 can provide tension or elastic force, and the two elastic members 109 are distributed on the left and right sides of the baffle 105 to balance the force on the baffle 105;

[0032] In an optional embodiment, the elastic member 109 is a rubber band that can stretch and contract, one end of the rubber band is provided with a hook that can be clamped into the inner part of the hanging ring 108, and the other end of the rubber band is provided with a buckle that can be clamped into the inner part of the hanging plate 107;

[0033] At the beginning, under the tension of the elastic member 109, the baffle 105 abuts against the upper protective half circle 106 to cover the upper half of the sandpaper disc 101 and protect the worker;

[0034] When the worker pulls the baffle 105 to rotate downward and abut against the upper end of the platform plate 104, the worker can place the object to be polished on the upper end of the platform plate 104 and then push the object close to the sandpaper disc 101 to achieve the purpose of polishing the object.

[0035] At the beginning: turn on the motor power to start the motor, and the motor drives the sandpaper disc 101 to rotate at high speed through the transmission rod 100.

[0036] When polishing the object: the worker pulls the baffle 105 to rotate downward, so that the baffle 105 abuts against the upper end of the platform plate 104, at this time, the object to be polished is placed on the upper end of the baffle 105 and the platform plate 104, and the object is pushed close to the sandpaper disc 101 to achieve polishing of the object;

[0037] In the process of rotating the baffle 105, the two elastic members 109 are stretched, and when the article leaves the baffle 105 and the upper end of the platform plate 104, the two elastic members 109 are automatically contracted to drive the baffle 105 to abut against the upper protective half ring 106, so as to cover the sandpaper disc 101 again, thereby preventing the staff from accidentally contacting the sandpaper disc 101 and causing physical injury.

[0038] When the polishing operation is completed: turn off the motor power supply to stop the rotation of the sandpaper disc.

[0039] In the embodiment, the staff places the article to be polished on the baffle 105 and the platform plate 104 by pulling down the baffle 105, and pushes the article close to the sandpaper disc 101 for polishing; in the process of pulling down the baffle 105, the elastic member 109 is stretched, and after the article is removed, the elastic member 109 is contracted to drive the baffle 105 to abut against the upper protective half ring 106, so as to cover the sandpaper disc, thereby avoiding accidental contact after polishing and causing injury.

[0040] Embodiment two:

[0041] As shown in Figures 1-3 Embodiment one, further description is made on other components of the abrasive tool with the protective structure, and the upper end of the baffle 105 is provided with a protruding block 200.

[0042] The protruding block 200 is arranged to increase the operation convenience of the baffle 105, and the staff can easily hold the protruding block 200 to open or close the baffle 105.

[0043] The upper end of the platform plate 104 is provided with a clamping groove 201 matched with the baffle 105.

[0044] When the baffle 105 is rotated 90 degrees to the platform plate 104 at the hinge point, the baffle 105 is clamped into the clamping groove 201, so that the upper end faces of the baffle 105 and the platform plate 104 are flat, the article is conveniently placed, and the staff can conveniently push the article close to the sandpaper disc 101, thereby achieving the polishing of the article.

[0045] The front end of the partition plate 102 is fixed with an L-shaped support plate 202, and the upper end of the vertical plate of the L-shaped support plate 202 abuts against the lower end of the platform plate 104.

[0046] The L-shaped support plate 202 is fixed at the front end of the partition plate 102, the upper end of the vertical plate thereof abuts against the lower end of the platform plate 104, thereby providing additional support for the platform plate 104 and enhancing the stability of the entire structure to prevent the platform plate 104 from shaking or shifting during work.

[0047] The upper end of the horizontal plate of the L-shaped support plate 202 is provided with a waste box 203.

[0048] The waste box 203 is a container for collecting the waste such as the chippings produced during the working process of the coated abrasive tool.

[0049] The two limiting strips 204 are symmetrically arranged on the upper end of the horizontal plate of the L-shaped supporting plate 202, and the waste box 203 is located between the two limiting strips 204.

[0050] The two limiting strips 204 define a specific placement position for the waste box 203, and the position of the waste box 203 is relatively fixed and will not slide or deviate on the horizontal plate, thereby ensuring the stability and reliability of the waste box 203 during the collection of the waste, and making the waste box 203 better play the role of collecting the waste.

[0051] The above embodiments only exemplarily illustrate the principle and effect of the present application, and are not used to limit the present application. Any person skilled in the art can modify or change the above embodiments without departing from the spirit and scope of the present application. Therefore, all equivalent modifications or changes made by those skilled in the art without departing from the spirit and technical thought of the present application should be covered by the claims of the present application.

Claims

1. A protective coating abrasive, comprising a motor, wherein a transmission rod (100) is fixed to the output end of the motor, and a sandpaper disc (101) is mounted at the end of the transmission rod (100), characterized in that: The transmission rod (100) is externally sleeved with a partition plate (102), the partition plate (102) is symmetrically provided with mounting blocks (103) in the middle of the front end, two mounting blocks (103) are commonly provided with a platform plate (104), the sandpaper disc (101) is located between the partition plate (102) and the platform plate (104), and a protection assembly is arranged between the platform plate (104) and the partition plate (102). The protection assembly comprises a baffle (105), the front end of the partition plate (102) is symmetrically provided with protection half circles (106), the sandpaper disc (101) is located inside the two protection half circles (106), the baffle (105) is hinged to the upper end of the platform plate (104), the baffle (105) abuts against the front end of the upper protection half circle (106), the baffle (105) is symmetrically provided with hanging plates (107) at the left and right ends, the front end of the partition plate (102) is symmetrically provided with hanging rings (108) on the upper side, and the hanging plate (107) and the hanging ring (108) on the same side are provided with elastic elements (109).

2. The coated abrasive having a protective structure according to claim 1, wherein: The upper end of the baffle (105) is provided with a protruding block (200).

3. The coated abrasive having a protective structure according to claim 1, wherein: The upper end of the platform plate (104) is provided with a clamping groove (201) matched with the baffle (105).

4. The coated abrasive having a protective structure according to claim 1, wherein: The front end of the partition plate (102) is fixedly provided with an L-shaped supporting plate (202), and the vertical plate of the L-shaped supporting plate (202) abuts against the lower end of the platform plate (104).

5. The coated abrasive having a protective structure according to claim 4, wherein: The upper end of the horizontal plate of the L-shaped supporting plate (202) is placed with a waste box (203).

6. The coated abrasive having a protective structure according to claim 5, wherein: The upper end of the horizontal plate of the L-shaped supporting plate (202) is symmetrically provided with limiting strips (204), and the waste box (203) is located between the two limiting strips (204).