Cutting and grinding wheel

Abstract

The utility model discloses a cutting and grinding grinding wheel which comprises a transmission shaft, the surface of the transmission shaft is fixedly sleeved with a fixing sleeve block, a grinding wheel body is arranged on one side of the fixing sleeve block, a mounting hole is formed in the surface of the middle of one side of the grinding wheel body, and a limiting strip groove is formed in the surface of the inner side of the mounting hole. Through the mutual cooperation of a transmission shaft, a fixing sleeve block, a mounting hole, a limiting strip groove and a limiting strip, the grinding wheel main body can be preliminarily limited after being mounted, then the grinding wheel main body is limited again under the secondary cooperation of an abutting disc, a limiting rod, a second through hole and a third through hole, and through the interaction of a threaded rod and a threaded sleeve, the grinding wheel main body can be limited again. And the grinding wheel body is tightly abutted and fixed to complete the overall installation operation, so that the cutting and grinding wheel is higher in stability and not prone to loosening in the later use process, the service life of the cutting and grinding wheel is indirectly prolonged, the overall structure is compact, and the cutting and grinding wheel is suitable for being used and popularized.

Description

Technical Field

[0001] The utility model belongs to the technical field of grinding wheels, and in particular relates to a cutting and grinding wheel. Background Art

[0002] Grinding wheel is also called bonded abrasive. Grinding wheel is a bonded abrasive made of ordinary abrasives bonded into a certain shape by a binder and has a certain strength. However, the existing cutting and grinding wheel has poor stability after installation due to its simple structure. During use, it is easy to loosen slightly due to the action of force, which makes the grinding wheel easily damaged. For this reason, we propose a cutting and grinding wheel. Utility Model Content

[0003] The purpose of the utility model is to provide a cutting and grinding wheel. Through the mutual cooperation of the design of a transmission shaft, a fixed sleeve block, a mounting hole, a limiting strip groove and a limiting strip, the grinding wheel body can be initially limited after installation. Then, under the cooperation of the clamping plate, the limiting rod, the second through hole and the third through hole, the grinding wheel body is limited again. Through the interaction of the threaded rod and the threaded sleeve, the grinding wheel body is tightly fixed to complete the overall installation operation, so that the cutting and grinding wheel is more stable in the later use process and will not be easily loosened, which indirectly increases the practical life of the cutting and grinding wheel. The overall structure is compact, which makes it easy to promote use.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a cutting and grinding wheel comprises a transmission shaft, a fixed sleeve block is provided on the surface of the transmission shaft, a grinding wheel body is provided on one side of the fixed sleeve block, a mounting hole is provided on the middle surface of one side of the grinding wheel body, a limiting strip groove is provided on the inner surface of the mounting hole, a limiting strip matched with the limiting strip groove is fixedly provided on the surface of the fixed sleeve block close to the grinding wheel body, and a threaded rod is provided at one end of the transmission shaft, a clamping plate is provided on the side of the grinding wheel body away from the fixed sleeve block, the clamping plate is sleeved on the surface of the transmission shaft, a limiting rod is provided on the side of the clamping plate close to the grinding wheel body, and a pad is provided between the clamping plate and the grinding wheel body, the pad, the grinding wheel body and the fixed sleeve block are respectively provided with a first through hole, a second through hole and a third through hole matched with the limiting rod, and the threaded sleeve is also threadedly connected on the surface of the threaded rod.

[0005] Preferably, it also includes a protective component, which includes a protective cover, which is located at one end of the threaded rod, a triangular connecting column is fixedly connected to the middle of the inner side of the protective cover, and a triangular slot hole matching the triangular connecting column is opened on the surface of one end of the threaded rod, a first magnet is arranged on the inner side of the triangular slot hole, and a second magnet is arranged on the end of the triangular connecting column close to the threaded rod, and a placement ring groove matching the protective cover is opened on the surface of one side of the clamping plate close to the threaded rod.

[0006] Preferably, one end of the transmission shaft away from the grinding wheel body is connected to an external power source.

[0007] Preferably, the outer diameters of the abutment plate and the backing plate are the same.

[0008] Preferably, the transverse length of the limiting strip is the same as the transverse length of the limiting strip groove.

[0009] Preferably, the inner diameter of the protective cover is two centimeters larger than the outer diameter of the threaded sleeve.

[0010] Compared with the prior art, the beneficial effects of the utility model are:

[0011] 1. Through the design of the mutual cooperation of the transmission shaft, the fixed sleeve block, the mounting hole, the limit bar groove and the limit bar, the grinding wheel body can be initially limited after installation, and then the grinding wheel body is limited again under the cooperation of the clamping plate, the limit rod, the second perforation and the third perforation, and the grinding wheel body is tightened and fixed by the interaction of the threaded rod and the threaded sleeve to complete the overall installation operation, so that the cutting and grinding wheel is more stable in the later use process and will not be easily loosened, which indirectly increases the practical life of the cutting and grinding wheel, and the overall structure is compact, which makes it easy to promote its use.

[0012] 2. By designing a protective component, after the grinding wheel body is installed, the personnel will place the protective cover in a suitable position so that the protective cover drives the triangular connecting column to be inside the triangular slot. Then, under the interaction of the first magnet and the second magnet, the protective cover is fixed in a suitable position. At this time, one side of the protective cover is engaged with the inner side of the placement ring groove, so that the protective cover can protect the threaded sleeve, ensuring that external forces will not directly act on the surface of the threaded sleeve to cause the threaded sleeve to loosen, making the cutting and grinding wheel more secure after installation. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic diagram of the structure of an embodiment of the utility model;

[0014] Figure 2 It is a side view stereoscopic structural schematic diagram of the utility model;

[0015] Figure 3 It is a schematic diagram of the explosion three-dimensional structure of the utility model;

[0016] Among them: 1. transmission shaft; 2. fixed sleeve block; 3. grinding wheel body; 4. mounting hole; 5. limit bar groove; 6. limit bar; 7. threaded rod; 8. tightening plate; 9. limit rod; 10. pad; 11. first through hole; 12. second through hole; 13. third through hole; 14. threaded sleeve; 15. protective cover; 16. triangular connecting column; 17. triangular slot; 18. first magnet; 19. second magnet; 20. placement ring groove. DETAILED DESCRIPTION

[0017] 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.

[0018] See also Figure 1 , Figure 2 , Figure 3 The utility model provides a technical solution: a cutting and grinding wheel comprises a transmission shaft 1, a fixed sleeve block 2 is fixedly sleeved on the surface of the transmission shaft 1, a grinding wheel body 3 is arranged on one side of the fixed sleeve block 2, a mounting hole 4 is opened on the middle surface of one side of the grinding wheel body 3, a limiting strip groove 5 is opened on the inner surface of the mounting hole 4, a limiting strip 6 adapted to the limiting strip groove 5 is fixedly arranged on the surface of the fixed sleeve block 2 near the side of the grinding wheel body 3, and a threaded rod 7 is arranged at one end of the transmission shaft 1, and the grinding wheel body 3 is away from the fixed sleeve block 2. A tightening plate 8 is provided on one side of the drive shaft 1, and the tightening plate 8 is sleeved on the surface of the drive shaft 1. A limiting rod 9 is provided on the side of the tightening plate 8 close to the grinding wheel body 3, and a pad 10 is provided between the tightening plate 8 and the grinding wheel body 3. The pad 10, the grinding wheel body 3, and the fixed sleeve block 2 are respectively provided with a first through hole 11, a second through hole 12, and a third through hole 13 adapted to the limiting rod 9, and the surface of the threaded rod 7 is also threadedly connected with a threaded sleeve 14, and the end of the drive shaft 1 away from the grinding wheel body 3 is connected to an external power source;

[0019] When the grinding wheel body 3 needs to be installed, the grinding wheel body 3 is first inserted from one end of the transmission shaft 1, so that one end of the transmission shaft 1 passes through the mounting hole 4, and then the limiting strip 6 is inserted into the inner side of the limiting strip groove 5 to limit the grinding wheel body 3, and then the tightening plate 8 is inserted from one end of the transmission shaft 1 again, so that the tightening plate 8 drives the pad 10 to move at the same time, and then when the tightening plate 8 reaches the appropriate position, the tightening plate 8 drives the limiting rod 9 to pass through the second through hole 12 and the third through hole 13, so that the tightening plate 8 limits the grinding wheel body 3 again, and then the personnel screws the threaded sleeve 14 into the threaded rod 7, so that the surface of one side of the threaded sleeve 14 presses the tightening plate 8, and the installation and fixation of the grinding wheel body 3 are completed; when the existing cutting and grinding grinding wheels are installed, due to the simple structure, the grinding after installation The wheel has poor stability and is prone to slight loosening due to the action of force during use, which makes the grinding wheel easily damaged. The transmission shaft 1, the fixed sleeve block 2, the mounting hole 4, the limit bar groove 5, and the limit bar 6 are designed to cooperate with each other, so that the grinding wheel body 3 can be initially limited after installation, and then the grinding wheel body 3 is limited again with the cooperation of the clamping plate 8, the limit rod 9, the second through hole 12, and the third through hole 13. The grinding wheel body 3 is tightened and fixed by the interaction of the threaded rod 7 and the threaded sleeve 14, and the overall installation operation is completed, so that the cutting and grinding wheel is more stable in the later use process and will not easily loosen, which indirectly increases the practical life of the cutting and grinding wheel. The overall structure is compact, which makes it easy to promote its use.

[0020] In this embodiment, preferably, a protection component is further included, the protection component including a protection cover 15, the protection cover 15 is located at one end of the threaded rod 7, a triangular connecting column 16 is fixedly connected to the middle of the inner side of the protection cover 15, and a triangular slot 17 adapted to the triangular connecting column 16 is provided on the surface of one end of the threaded rod 7, a first magnet 18 is provided inside the triangular slot 17, and a second magnet 19 is provided on one end of the triangular connecting column 16 close to the threaded rod 7, and a placement ring groove 20 adapted to the protection cover 15 is provided on the surface of one side of the tightening plate 8 close to the threaded rod 7;

[0021] By designing the protection component, after the grinding wheel body 3 is installed, the personnel puts the protection cover 15 in a suitable position, so that the protection cover 15 drives the triangular connecting column 16 to be inside the triangular slot 17, and then the protection cover 15 is fixed in a suitable position under the interaction of the first magnet 18 and the second magnet 19. At this time, one side of the protection cover 15 is engaged with the inner side of the placement ring groove 20, so that the protection cover 15 can protect the threaded sleeve 14, ensuring that the external force will not directly act on the surface of the threaded sleeve 14 to cause the threaded sleeve 14 to loosen, so that the cutting and grinding wheel is more secure after installation.

[0022] In this embodiment, preferably, the outer diameters of the clamping plate 8 and the backing plate 10 are the same, so that the backing plate 10 can better protect the grinding wheel body 3.

[0023] In this embodiment, preferably, the transverse length of the limiting strip 6 is the same as the transverse length of the limiting strip groove 5, so that the overall structure is more compact.

[0024] In this embodiment, preferably, the inner diameter of the protective cover 15 is two centimeters larger than the outer diameter of the threaded sleeve 14; when the protective cover 15 is moving, it will not be blocked.

[0025] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A cutting and grinding wheel, characterized in that: The invention comprises a transmission shaft (1), a fixed sleeve block (2) is fixedly sleeved on the surface of the transmission shaft (1), a grinding wheel body (3) is arranged on one side of the fixed sleeve block (2), a mounting hole (4) is opened on the middle surface of one side of the grinding wheel body (3), a limiting strip groove (5) is opened on the inner surface of the mounting hole (4), a limiting strip (6) matched with the limiting strip groove (5) is fixedly arranged on the surface of one side of the fixed sleeve block (2) close to the grinding wheel body (3), and a threaded rod (7) is arranged on one end of the transmission shaft (1), and the grinding wheel body (3) is away from the fixed sleeve block (2 ) is provided with a clamping plate (8) on one side, the clamping plate (8) is sleeved on the surface of the transmission shaft (1), a limiting rod (9) is provided on the side of the clamping plate (8) close to the grinding wheel body (3), and a pad (10) is provided between the clamping plate (8) and the grinding wheel body (3), the pad (10), the grinding wheel body (3) and the fixed sleeve block (2) are respectively provided with a first through hole (11), a second through hole (12) and a third through hole (13) which are compatible with the limiting rod (9), and a threaded sleeve (14) is also threadedly connected to the surface of the threaded rod (7).

2. A cutting and grinding wheel according to claim 1, characterized in that: The invention also comprises a protection component, wherein the protection component comprises a protection cover (15), the protection cover (15) is located at one end of the threaded rod (7), a triangular connecting column (16) is fixedly connected to the middle of the inner side of the protection cover (15), and a triangular slot (17) matching the triangular connecting column (16) is provided on the surface of one end of the threaded rod (7), a first magnet (18) is provided on the inner side of the triangular slot (17), and a second magnet (19) is provided on the end of the triangular connecting column (16) close to the threaded rod (7), and a placement ring groove (20) matching the protection cover (15) is provided on the surface of one side of the clamping plate (8) close to the threaded rod (7).

3. A cutting and grinding wheel according to claim 1, characterized in that: One end of the transmission shaft (1) away from the grinding wheel body (3) is connected to an external power source.

4. A cutting and grinding wheel according to claim 1, characterized in that: The outer diameters of the abutting plate (8) and the pad (10) are the same.

5. A cutting and grinding wheel according to claim 1, characterized in that: The transverse length of the limiting strip (6) is the same as the transverse length of the limiting strip groove (5).

6. A cutting and grinding wheel according to claim 2, characterized in that: The inner diameter of the protective cover (15) is two centimeters larger than the outer diameter of the threaded sleeve (14).

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