Grinding disc convenient to disassemble

Abstract

The utility model relates to a grinding disc convenient to disassemble, which belongs to the technical field of material grinding and polishing and comprises a disc, an automatic compensation mechanism is arranged on the bottom side of the disc, a mounting plate is arranged at the bottom end of the automatic compensation mechanism, a mounting mechanism is arranged on the mounting plate, and a grinding disc body is arranged on the mounting mechanism. A rotating shaft is fixed on the top side of the disc; the automatic compensation mechanism comprises a plurality of sleeves fixed to the bottom side of the disc. According to the grinding disc convenient to disassemble, the automatic compensation mechanism is arranged on the bottom side of the disc, and the distance between the grinding disc body and a ground object can be automatically compensated after the grinding disc body is ground to be thin, so that the grinding disc body abuts against the ground object, manual adjustment of the grinding disc is not needed, and the grinding efficiency is improved. The mounting structure is arranged on the mounting plate, so that the grinding disc body can be conveniently replaced, tools such as screwdrivers do not need to be used for disassembling parts such as bolts, and meanwhile, a motor of the grinding machine does not need to be started for disassembling.

Description

Technical Field

[0001] The utility model relates to the technical field of material grinding and polishing, in particular to a grinding disc which is easy to disassemble. Background Art

[0002] The grinding disc is a carrier for coating or embedding abrasives, so that the abrasive particles can play a cutting role. At the same time, it is also a forming tool for the grinding surface. Rotating discs, cylinders, cones, flat plates, oilstones, thin plates, tubes, rings and specially made shaped grinding discs can all be used as grinding tools.

[0003] For example, a Chinese patent (CN208451348U) discloses a grinding disc that is easy to disassemble, comprising a rotating shaft, the bottom of which is connected to one side of a disc, a fixed ring being provided on the other side of the disc, a No. 1 hole being provided on the side surface of the fixed ring, an assembling ring being embedded inside the fixed ring, a No. 2 hole being provided on the side surface of the assembling ring, a grinding disc being connected to the bottom of the assembling ring, bolts being provided through the No. 1 hole and the No. 2 hole, a gasket and a nut being provided at the bottom of the bolt. The utility model provides a grinding disc that is easy to disassemble, in which a disc and a fixed ring are added between the grinding disc and the motor, so that the grinding disc can be disassembled only within the fixed ring area, and there is no need to start the motor of the grinder for disassembly.

[0004] The above scheme also has the following technical deficiencies: the above scheme is not convenient for compensating the distance between the grinding disc and the object to be ground; since the grinding disc is worn during the grinding process, the grinding disc becomes thinner after being used for a period of time, so that the grinding disc cannot abut against the object to be ground, and manual adjustment is required before normal use. Based on this, a grinding disc that is easy to disassemble is proposed. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides an easily disassembled grinding disc, which has the advantages of conveniently and automatically compensating the distance between the grinding disc body and the object to be ground, thereby solving the problem of the grinding disc body being separated from the object to be ground after being worn.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a grinding disc that is easy to disassemble, comprising a disc, an automatic compensation mechanism is provided on the bottom side of the disc, a mounting plate is provided at the bottom end of the automatic compensation mechanism, a mounting mechanism is provided on the mounting plate, a grinding disc body is provided on the mounting mechanism, and a rotating shaft is fixed on the top side of the disc;

[0007] The automatic compensation mechanism includes a plurality of sleeves fixed on the bottom side of the disc, a movable plate is slidably connected inside the sleeve, a movable rod is fixed to the bottom end of the movable plate, a first spring is abutted against the top end of the movable plate, and the automatic compensation mechanism also includes a plurality of telescopic rods fixed on the bottom side of the disc, a cross plate is fixed to the telescopic end of the telescopic rod, and a plurality of reinforcing ribs are fixed to the top side of the cross plate.

[0008] Furthermore, the mounting mechanism includes two mounting grooves on the left and right sides of the mounting plate, the mounting grooves are internally slidably connected to a limit rod, a sliding plate is fixed to the outer surface of the limit rod, a second spring is sleeved on the outer surface of the limit rod, and a handle is fixed on the opposite side of the two limit rods. The mounting mechanism also includes a connecting groove opened on the bottom side of the mounting plate and two connecting plates fixed on the top side of the grinding disc body, and the connecting plates are located in the connecting grooves.

[0009] Furthermore, the top end of the first spring abuts against the top side of the inner wall of the sleeve, and the bottom end of the moving rod is fixed to the top side of the mounting plate.

[0010] Furthermore, the plurality of sleeves and the plurality of telescopic rods are arranged in a circular array, and the number of the sleeves is the same as the number of the telescopic rods.

[0011] Furthermore, each telescopic rod is located on the outside of the corresponding sleeve, and the ends of the plurality of reinforcing ribs away from the transverse plate are fixed to the periphery of the telescopic end of the telescopic rod.

[0012] Furthermore, a limiting hole is provided inside the connecting plate, and the limiting rod abuts against the limiting hole.

[0013] Furthermore, one end of the second spring abuts against one side of the sliding plate, and the other end of the second spring abuts against one side of the mounting groove.

[0014] Compared with the prior art, the technical solution of this application has the following beneficial effects:

[0015] The easily removable grinding disc is provided with an automatic compensation mechanism on the bottom side of the disc, which can automatically compensate for the distance between the grinding disc body and the object to be ground after the grinding disc body is ground thin, so that the grinding disc body and the object to be ground are abutted, and there is no need to manually adjust the grinding disc. By providing a mounting structure on the mounting plate, the grinding disc body can be easily replaced, and there is no need to use tools such as screwdrivers to disassemble parts such as bolts, and there is no need to start the motor of the grinder for disassembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the structure of the utility model;

[0017] Figure 2This is a structural diagram of the automatic compensation mechanism of the utility model;

[0018] Figure 3 It is a three-dimensional schematic diagram of the partial structure of the automatic compensation mechanism of the utility model;

[0019] Figure 4 It is a structural schematic diagram of the installation mechanism of the utility model.

[0020] In the figure: 1 disc, 200 automatic compensation mechanism, 201 sleeve, 202 moving plate, 203 moving rod, 204 first spring, 205 telescopic rod, 206 horizontal plate, 207 reinforcing rib, 3 mounting plate, 400 mounting mechanism, 401 mounting groove, 402 limiting rod, 403 sliding plate, 404 second spring, 405 handle, 406 connecting groove, 407 connecting plate, 5 grinding disc body, 6 rotating shaft. DETAILED DESCRIPTION

[0021] 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.

[0022] See also Figure 1-4 In this embodiment, a grinding disc that is easy to disassemble includes a disc 1. An automatic compensation mechanism 200 is provided on the bottom side of the disc 1. A mounting plate 3 is provided at the bottom end of the automatic compensation mechanism 200. A mounting mechanism 400 is provided on the mounting plate 3. A grinding disc body 5 is provided on the mounting mechanism 400. A rotating shaft 6 is fixed on the top side of the disc 1.

[0023] The automatic compensation mechanism 200 in this embodiment is used to automatically compensate for the distance between the grinding disc body 5 and the object to be ground. The mounting plate 3 is used to facilitate the installation of the mounting mechanism 400 , and the mounting mechanism 400 is used to facilitate the installation of the grinding disc body 5 on the mounting plate 3 .

[0024] See also Figure 1-3In order to facilitate the distance between the grinding disc body 5 and the object to be ground, the automatic compensation mechanism 200 in this embodiment includes a plurality of sleeves 201 fixed to the bottom side of the disc 1, and a moving plate 202 is slidably connected inside the sleeve 201. A moving rod 203 is fixed to the bottom end of the moving plate 202. The bottom end of the moving rod 203 is fixed to the top side of the mounting plate 3. The top end of the moving plate 202 is abutted against a first spring 204. The top end of the first spring 204 abuts against the top side of the inner wall of the sleeve 201. The compensation mechanism 200 also includes a plurality of telescopic rods 205 fixed to the bottom side of the disc 1. The plurality of sleeves 201 and the plurality of telescopic rods 205 are arranged in a circular array. The number of sleeves 201 is the same as the number of telescopic rods 205. Each telescopic rod 205 is located on the outside of the corresponding sleeve 201. A transverse plate 206 is fixed to the telescopic end of the telescopic rod 205. A plurality of reinforcing ribs 207 are fixed to the top side of the transverse plate 206. The ends of the plurality of reinforcing ribs 207 away from the transverse plate 206 are fixed to the four sides of the telescopic end of the telescopic rod 205.

[0025] The automatic compensation mechanism 200 in this embodiment can drive the movable plate 202 to move downward through the deformation recovery of the first spring 204, and the movable plate 202 can drive the movable rod 203 and the mounting plate 3 to move downward, thereby making the grinding disc body 5 abut against the object to be ground, and the telescopic rod 205 is used to support the mounting plate 3.

[0026] It should be noted that the provision of the transverse plate 206 and the reinforcing ribs 207 can increase the stability between the telescopic rod 205 and the mounting plate 3 .

[0027] See also Figure 1 and Figure 4 In order to facilitate the installation and disassembly of the grinding disc body 5, the installation mechanism 400 in this embodiment includes two installation grooves 401 opened on the left and right sides of the installation plate 3, the internal sliding connection of the installation groove 401 is connected to the limit rod 402, the outer surface of the limit rod 402 is fixed with a sliding plate 403, the outer surface of the limit rod 402 is sleeved with a second spring 404, one end of the second spring 404 abuts against one side of the sliding plate 403, the other end of the second spring 404 abuts against one side of the installation groove 401, and a handle 405 is fixed on the opposite side of the two limit rods 402. The installation mechanism 400 also includes a connecting groove 406 opened on the bottom side of the installation plate 3 and two connecting plates 407 fixed on the top side of the grinding disc body 5, the connecting plate 407 is located in the connecting groove 406, and a limiting hole is opened inside the connecting plate 407, and the limiting rod 402 abuts against the limiting hole.

[0028] The mounting mechanism 400 in this embodiment fixes the connecting plate 407 by means of a limiting rod 402 which abuts against the limiting hole, thereby fixing the grinding disc body 5. The handle 405 is used to facilitate pulling the limiting rod 402 to move. The limiting rod 402 can drive the sliding plate 403 to compress the second spring 404. The second spring 404 is used to drive the limiting rod 402 back to the limiting hole.

[0029] It should be noted that the installation groove 401 is used to facilitate the installation of the sliding plate 403 and the second spring 404 , and the connecting groove 406 is used to place the connecting plate 407 .

[0030] The working principle of the above embodiment is:

[0031] When the grinding disc body 5 is worn, the first spring 204 recovers its deformation to a certain extent, and the first spring 204 pushes the moving plate 202 to move downward, and the moving plate 202 pushes the moving rod 203 and the mounting plate 3 to move downward, and the mounting plate 3 drives the grinding disc body 5 to contact the object to be ground, and at the same time, the mounting plate 3 drives the cross plate 206 and the reinforcing rib 207 to move downward, and the cross plate 206 drives the telescopic rod 205 to extend; when the grinding disc body 5 needs to be replaced, the handle 405 is pulled, and the handle 405 drives the limiting rod 402 to leave the limiting hole, and at the same time the limiting rod 402 drives the sliding plate 403 to compress the second spring 404, so that the grinding disc body 5 and the connecting plate 407 are removed for replacement, and the connecting plate 407 on the new grinding disc body 5 is placed into the connecting groove 406, and the handle 405 is released. The limiting rod 402 returns to the limiting hole under the action of the deformation recovery of the second spring 404, thereby realizing the fixation of the connecting plate 407 and the grinding disc body 5, and completing the replacement of the grinding disc body 5.

[0032] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0033] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that many changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention.

Claims

1. A grinding disc that is easy to disassemble, comprising a disc (1), characterized in that: An automatic compensation mechanism (200) is provided on the bottom side of the disc (1), a mounting plate (3) is provided at the bottom end of the automatic compensation mechanism (200), a mounting mechanism (400) is provided on the mounting plate (3), a grinding disc body (5) is provided on the mounting mechanism (400), and a rotating shaft (6) is fixed on the top side of the disc (1); The automatic compensation mechanism (200) comprises a plurality of sleeves (201) fixed on the bottom side of the disc (1), a movable plate (202) being slidably connected inside the sleeve (201), a movable rod (203) being fixed at the bottom end of the movable plate (202), a first spring (204) being abutted against the top end of the movable plate (202), and the automatic compensation mechanism (200) further comprises a plurality of telescopic rods (205) fixed on the bottom side of the disc (1), a transverse plate (206) being fixed at the telescopic end of the telescopic rod (205), and a plurality of reinforcing ribs (207) being fixed on the top side of the transverse plate (206).

2. The easily disassembled grinding disc according to claim 1, characterized in that: The mounting mechanism (400) comprises two mounting grooves (401) provided on the left and right sides of the mounting plate (3); the mounting grooves (401) are slidably connected to limit rods (402); a sliding plate (403) is fixed to the outer surface of the limit rods (402); a second spring (404) is sleeved on the outer surface of the limit rods (402); a handle (405) is fixed on the opposite sides of the two limit rods (402); the mounting mechanism (400) further comprises a connecting groove (406) provided on the bottom side of the mounting plate (3) and two connecting plates (407) fixed on the top side of the grinding disc body (5); the connecting plates (407) are located in the connecting grooves (406).

3. The easily disassembled grinding disc according to claim 1, characterized in that: The top end of the first spring (204) is in contact with the top side of the inner wall of the sleeve (201), and the bottom end of the moving rod (203) is fixed to the top side of the mounting plate (3).

4. The easily disassembled grinding disc according to claim 1, characterized in that: The plurality of sleeves (201) and the plurality of telescopic rods (205) are arranged in a circular array, and the number of the sleeves (201) and the number of telescopic rods (205) are the same.

5. The easily disassembled grinding disc according to claim 1, characterized in that: Each telescopic rod (205) is located on the outer side of the corresponding sleeve (201), and one end of the plurality of reinforcing ribs (207) away from the transverse plate (206) is fixed to the periphery of the telescopic end of the telescopic rod (205).

6. The easily disassembled grinding disc according to claim 2, characterized in that: A limiting hole is provided inside the connection plate (407), and the limiting rod (402) abuts against the limiting hole.

7. The easily disassembled grinding disc according to claim 2, characterized in that: One end of the second spring (404) abuts against one side of the sliding plate (403), and the other end of the second spring (404) abuts against one side of the installation groove (401).

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