Abrasive disc convenient to replace

By designing detachable components on the grinding discs of the grinder, quick replacement of the grinding discs and dust collection can be achieved, solving the problem of time-consuming and labor-intensive grinding disc replacement, and improving grinding efficiency and environmental protection.

CN224011849UActive Publication Date: 2026-03-20HANDAN CHENXU MACHINERY MANUFACTURING CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-24
Publication Date
2026-03-20

AI Technical Summary

Technical Problem

The process of replacing grinding discs in existing grinding machines is time-consuming and labor-intensive, which affects polishing efficiency.

Method used

A grinding disc structure including a base plate, a turntable, grinding discs, and a disassembly/assembly assembly is designed. The disassembly/assembly assembly consists of a protective shell, a slot, a rotating rod, a coil spring, a limit block, a locking block, a return spring, and a pull rod. The pull rod drives the locking block to move, causing the protective shell to detach from the turntable, thus enabling quick replacement of the grinding disc.

Benefits of technology

It enables quick assembly and disassembly of grinding discs, improving grinding efficiency, and uses an air pump to collect dust during grinding, thus protecting the environment.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN224011849U_ABST
    Figure CN224011849U_ABST
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Abstract

The utility model relates to an abrasive disc convenient to replace. The abrasive disc comprises a bottom plate, the machine body is fixedly installed on the upper surface of the bottom plate, the rotating disc is arranged on the lower surface of the bottom plate, the abrasive disc is arranged on one side of the rotating disc, and the dismounting and mounting assembly is arranged on one side of the bottom plate and comprises a protective shell, a notch, a rotating rod, a coil spring, a limiting block, a clamping block, a reset spring and a pull rod. Round grooves are formed in the two sides of the inner wall of the notch, one ends of the coil springs are fixedly installed on the inner walls of the round grooves, the other ends of the coil springs are fixedly installed on the rotating rods, the rotating rods are inserted into the limiting blocks, a traction groove is formed in one side of the protective shell, the clamping blocks are arranged in the traction groove, and one ends of the reset springs and one ends of the pull rods are fixedly installed on the clamping blocks. And through the arranged dismounting and mounting assembly, the pull rod can drive the clamping block to move out of the notch, the protective shell can be separated from the rotary disc, the abrasive disc can be exposed, and therefore the abrasive disc can be rapidly replaced, and time and labor are saved.
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Description

Technical Field

[0001] This utility model relates to the field of grinding machine technology, and in particular to a grinding disc that is easy to replace. Background Technology

[0002] A grinding machine is a device specifically designed for grinding, polishing, and treating floor materials. It is widely used in construction, decoration, and daily maintenance. During the grinding process, grinding discs inside the grinding machine are used to polish and grind the floor.

[0003] Because the grinder needs to polish the ground for a long time, the grinding discs inside the grinder need to be disassembled and replaced regularly. Generally, when removing the grinding discs, the protective shell on the outside of the grinding discs needs to be removed first before the grinding discs can be disassembled. This disassembly method is not only time-consuming and laborious, but also affects the polishing efficiency. Utility Model Content

[0004] This invention provides a grinding disc that is easy to replace.

[0005] The technical solution adopted in this utility model is: a grinding disc that is easy to replace, comprising:

[0006] A base plate; an organism is fixedly installed on the upper surface of the base plate, and a turntable is provided on the lower surface of the base plate. A grinding disc is provided on one side of the turntable, and a disassembly assembly is provided on one side of the base plate. The disassembly assembly includes a protective shell, a slot, a rotating rod, a coil spring, a limiting block, a locking block, a return spring, and a pull rod. The protective shell is sleeved on the turntable, and a slot is opened on one side of the turntable. Circular grooves are opened on both sides of the inner wall of the slot.

[0007] Preferably, one end of the coil spring is fixedly installed on the inner wall of the circular groove, and the other end of the coil spring is fixedly installed on the rotating rod, which is inserted into the limiting block.

[0008] Preferably, a traction groove is provided on one side of the protective shell, the locking block is disposed in the traction groove, and the return spring and one end of the pull rod are both fixedly installed on the locking block.

[0009] Preferably, the return spring is sleeved on the pull rod, and the other end of the return spring is fixedly installed on one side of the inner wall of the traction groove, and the pull rod extends through the protective shell to the outside.

[0010] Preferably, an air pump and a collection box are fixedly installed on one side of the base plate, a connecting plate is fixedly installed on the lower surface of the base plate, a dust suction port is fixedly installed at one end of the connecting plate, and the dust suction port is connected to the connecting plate.

[0011] Preferably, the air pump is connected to the collecting box and the connecting plate through pipes respectively.

[0012] Preferably, the bottom plate is fixedly installed with a placing box on one side, and universal wheels are fixedly installed on the lower surface of the bottom plate.

[0013] The utility model discloses the beneficial effect is: compared with the prior art, the utility model discloses a dismounting assembly can make the pull rod drive the card block from the slot and move out, can make the protective shell from the turntable and separate, can make the abrasive disc expose, thereby can quick replacement abrasive disc, save time and effort. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the whole three -dimensional structure schematic diagram of the utility model for;

[0015] Figure 2 It is the whole bottom structure schematic diagram of the utility model for;

[0016] Figure 3 It is the dismounting assembly structure schematic diagram of the utility model for;

[0017] Figure 4 It is the protective shell internal structure schematic diagram of the utility model for;

[0018] Marked as in the drawing: 1, bottom plate;2, machine body;3, turntable;4, abrasive disc;5, dismounting assembly;51, protective shell;52, slot;53, rotating rod;54, coil spring;55, limit block;56, card block;57, return spring;58, pull rod;6, air pump;7, collecting box;8, connecting plate;9, dust suction port;10, placing box;11, universal wheel;12, push rod. DETAILED DESCRIPTION

[0019] In the description of the utility model, it is needful to explain, the orientation or position relation that the term "front", "upper", "lower", "left", "right", "vertical", "horizontal" etc. indicate is based on the orientation or position relation described in the drawing, is only for the convenience of describing the utility model and simplifying the description, and is not indicate or imply the device or element that points to must have the specific orientation, with the specific orientation structure and operation, therefore can not be understood as the restriction of the utility model.

[0020] In the description of the utility model, it is necessary to explain that, unless there are definite provisions and limitations, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixed connection, can be detachable connection, or integrally connected, can be directly connected, can be indirectly connected through intermediate medium, can be the communication inside two elements. For ordinary skilled person in the art, the specific meaning of the above terms in the utility model can be understood according to specific circumstances.

[0021] The following will be described in detail in combination with the accompanying drawings Figures 1-4 The utility model is further explained.

[0022] In order to solve the problems in the background art, the application proposes the following technical scheme: a grinding piece convenient to replace.

[0023] In the specific technical scheme, including the bottom plate 1, the bottom plate 1 upper surface is fixedly installed with organism 2, the bottom plate 1 lower surface is provided with the rotating disc 3, the rotating disc 3 one side is provided with the grinding piece 4, the bottom plate 1 one side is provided with the dismounting assembly 5, the dismounting assembly 5 includes protective shell 51, notch 52, rotating rod 53, coil spring 54, limiting block 55, clamping block 56, reset spring 57 and pull rod 58, protective shell 51 is sleeved on the rotating disc 3, the rotating disc 3 one side is provided with the notch 52, the notch 52 inner wall both sides are provided with circular groove.

[0024] The one end of coil spring 54 is fixedly installed in the inner wall of circular groove, and the other end of coil spring 54 is fixedly installed on rotating rod 53, rotating rod 53 is inserted in limiting block 55, one side of protective shell 51 is provided with traction groove, clamping block 56 is arranged in traction groove, the one end of reset spring 57 and pull rod 58 is fixedly installed on clamping block 56, reset spring 57 is sleeved on pull rod 58, and the other end of reset spring 57 is fixedly installed on one side of the inner wall of traction groove, pull rod 58 extends to the outside through protective shell 51, the clamping block 56 can be moved by the pull rod 58 arranged, so that protective shell 51 moves out from the rotating disc 3, the grinding piece 4 is quickly disassembled.

[0025] The bottom plate 1 one side is respectively fixedly installed with air pump 6 and collection box 7, the bottom plate 1 lower surface is fixedly installed with connecting plate 8, the one end of connecting plate 8 is fixedly installed with dust suction port 9, and the dust suction port 9 is communicated with the connecting plate 8, the two ends of air pump 6 are connected with collection box 7 and connecting plate 8 through pipeline respectively, the bottom plate 1 one side is fixedly installed with placing box 10, the bottom plate 1 lower surface is fixedly installed with universal wheel 11, the both sides of placing box 10 are fixedly installed with push rod 12, through the setting of placing box 10, the excess tool can be placed in placing box 10, and then the dust can enter into collection box 7 along the pipeline by collection box 7.

[0026] In order for those skilled in the art to fully understand the technical scheme, the application is made as follows:

[0027] In use, the push rod 12 is pushed to move the sander on the bottom plate 1, and then the body 2 is started to rotate the abrasive disc 4 to polish the ground, after polishing, the pull rod 58 is pulled to move the clamping block 56 out of the limiting block 55 in the slot 52, and then the protective shell 51 can be removed to expose the abrasive disc 4, so that the staff can quickly replace the abrasive disc 4, after replacement, the staff can set the protective shell 51 on the rotating disc 3, when the clamping block 56 contacts the limiting block 55, the rotating rod 53 arranged on both sides of the limiting block 55 is rotated to move the clamping block 56 upward along the slot 52, when the clamping block 56 enters the top of the limiting block 55, the clamping block 56 is instantaneously ejected by the elasticity of the reset spring 57 and clamped on the upper surface of the limiting block 55, so that the abrasive disc 4 in the sander can work again, which not only saves time and labor for disassembling and assembling the abrasive disc 4, but also greatly improves the polishing efficiency, and then the air pump 6 is started to make the dust generated during polishing enter the collecting box 7 through the dust suction port 9, so as to avoid the dust floating in the air during polishing, which affects the environment.

[0028] The standard parts used in the utility model can be purchased from the market, and the special-shaped parts can be ordered according to the description and the drawings, the specific connection mode of each part adopts the conventional means such as bolts, rivets and welding in the prior art, the machinery, parts and equipment adopt conventional models in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, which will not be described in detail here, and the contents not described in detail in the specification belong to the prior art known to the person skilled in the art.

[0029] Although the embodiments of the utility model have been shown and described, the scope of the utility model is defined by the appended claims and their equivalents for those skilled in the art.

Claims

1. A replaceable grinding disc, characterized in that, include: Base plate (1); an organism (2) is fixedly installed on the upper surface of the base plate (1), a turntable (3) is provided on the lower surface of the base plate (1), a grinding disc (4) is provided on one side of the turntable (3), and a disassembly assembly (5) is provided on one side of the base plate (1). The disassembly assembly (5) includes a protective shell (51), a slot (52), a rotating rod (53), a coil spring (54), a limiting block (55), a locking block (56), a reset spring (57), and a pull rod (58). The protective shell (51) is sleeved on the turntable (3). A slot (52) is opened on one side of the turntable (3), and circular grooves are opened on both sides of the inner wall of the slot (52).

2. The easily replaceable grinding disc according to claim 1, characterized in that, One end of the coil spring (54) is fixedly installed on the inner wall of the circular groove, and the other end of the coil spring (54) is fixedly installed on the rotating rod (53), which is inserted into the limiting block (55).

3. The easily replaceable grinding disc according to claim 1, characterized in that, The protective shell (51) has a traction groove on one side, the locking block (56) is set in the traction groove, and one end of the reset spring (57) and the pull rod (58) are fixedly installed on the locking block (56).

4. The easily replaceable grinding disc according to claim 3, characterized in that, The reset spring (57) is sleeved on the pull rod (58), and the other end of the reset spring (57) is fixedly installed on one side of the inner wall of the traction groove. The pull rod (58) extends to the outside through the protective shell (51).

5. The easily replaceable grinding disc according to claim 3, characterized in that, An air pump (6) and a collection box (7) are fixedly installed on one side of the base plate (1). A connecting plate (8) is fixedly installed on the lower surface of the base plate (1). A dust suction port (9) is fixedly installed at one end of the connecting plate (8), and the dust suction port (9) and the connecting plate (8) are connected.

6. The easily replaceable grinding disc according to claim 5, characterized in that, The air pump (6) is connected at both ends to the collection box (7) and the connecting plate (8) via pipes.

7. The easily replaceable grinding disc according to claim 1, characterized in that, A placement box (10) is fixedly installed on one side of the base plate (1), and a caster wheel (11) is fixedly installed on the lower surface of the base plate (1). Push rods (12) are fixedly installed on both sides of the placement box (10).