Combined bowl-shaped grinding wheel

Abstract

The utility model discloses a combined bowl-shaped grinding wheel, which relates to the technical field of grinding wheels, and comprises a base, a grinding wheel and a fastener, the base is bowl-shaped or cylindrical, the grinding wheel is sleeved at the end part of the base, the edge of the grinding wheel is respectively provided with a cutting surface I, a cutting surface II and a cutting surface III, the positions of the second cutting face and the third cutting face can be exchanged by turning over the grinding wheel, and the fastening piece is connected with the end of the base and can jointly lock and fix the grinding wheel. According to the combined bowl-shaped grinding wheel, the cutting face is additionally arranged on the basis of the structure of an existing grinding wheel, so that the cutting face is symmetrically used for two times, only one half of the area is used when the combined bowl-shaped grinding wheel is normally used, and after one side is used up, the other half of the combined bowl-shaped grinding wheel is used after the part for assembling the bowl-shaped grinding wheel is turned over by 180 degrees to be assembled. The service life of the grinding wheel is prolonged by more than one time, the cost is saved by more than 50%, and the grinding wheel is widely applied to occasions such as CNC cutter grinding or grinding and polishing of hand mills and angle mills.

Description

Technical Field

[0001] The utility model relates to the technical field of grinding wheels, in particular to a combined bowl-shaped grinding wheel. Background Art

[0002] A bowl-shaped grinding wheel is a grinding wheel in the shape of a bowl block. It is commonly used for grinding and dressing various metal and non-metal materials. It has the advantages of high precision, high efficiency and good cutting quality. Therefore, it is widely used in many industries.

[0003] At present, the bowl-shaped grinding wheel on the market has only one cutting surface, and it will be scrapped when the corner where the cutting surfaces intersect is worn. Therefore, we propose a combined bowl-shaped grinding wheel, which has two cutting surfaces and can be used interchangeably. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a combined bowl-shaped grinding wheel, which solves the problems raised by the above-mentioned background technology.

[0005] To achieve the above objectives, the utility model is implemented through the following technical solutions: a combined bowl-shaped grinding wheel, comprising:

[0006] Base; the base is in the shape of a bowl or a column;

[0007] A grinding wheel, wherein the grinding wheel is sleeved on the end of the base, and the edge of the grinding wheel is respectively provided with a cutting surface 1, a cutting surface 2 and a cutting surface 3, wherein the cutting surface 2 and the cutting surface 3 are opposite surfaces, and the positions of the cutting surface 2 and the cutting surface 3 can be swapped by turning over the grinding wheel;

[0008] A fastener is connected to the end of the base and can jointly lock and fix the grinding wheel.

[0009] Furthermore, an outer cylindrical shaft is integrally connected to the end of the base, and the outer cylindrical shaft extends outward.

[0010] Furthermore, an inner circular hole and a threaded hole are respectively provided inside the outer cylindrical shaft.

[0011] Furthermore, an inner square hole is provided inside the base or the outer cylindrical shaft.

[0012] Furthermore, the base also includes two inner circular holes, and the number of the two inner circular holes is zero or one.

[0013] Furthermore, when the number of the inner circular holes 2 is zero, a thread 1 is provided on the outside of the outer circular shaft; and when the number of the inner circular holes 2 is one, a thread 1 is provided on the inner side wall of the inner circular hole 2.

[0014] Furthermore, a wheel core hole is formed through the middle of the grinding wheel, and the wheel core hole is sleeved on the outside of the outer cylindrical shaft.

[0015] Furthermore, a second hexagonal hole or a third inner circular hole is formed through the middle of the fastener, and a second thread is formed on the outer surface of the fastener or the inner surface of the third inner circular hole.

[0016] Furthermore, the second thread is engaged with the first thread.

[0017] Compared with the above-mentioned background technology, the present application provides a combined bowl-shaped grinding wheel including a base, a grinding wheel and a fastener, wherein the base can be made into a bowl shape or a column shape according to different user needs, and the three intersecting surfaces of the edges of the grinding wheel are correspondingly provided with cutting surface one, cutting surface two and cutting surface three. When the cutting surface two is fully used, the grinding wheel can be flipped 180°, so that the positions of the cutting surface two and the cutting surface three are swapped, and the cutting surface three continues to be used.

[0018] The utility model provides a combined bowl-shaped grinding wheel. Compared with the prior art, it has the following beneficial effects:

[0019] The combined bowl-shaped grinding wheel has an additional cutting surface on the basis of the structure of the existing grinding wheel, so that the cutting surface is used symmetrically twice. Only one half of the area is used in normal use. When one side is used up, only the part of the assembled bowl-shaped grinding wheel needs to be turned 180 degrees and then assembled and the other half can be used. The service life of the grinding wheel is extended by more than double, and the cost is saved by more than 50%. The combined bowl-shaped grinding wheel is widely used in occasions such as CNC tool grinding or hand grinder and angle grinder grinding and polishing. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic diagram of the disassembly of Example 1 of the utility model;

[0021] Figure 2 This is a schematic diagram of the assembly of Embodiment 1 of the present utility model;

[0022] Figure 3 This is a schematic diagram of the disassembly of Example 2 of the utility model;

[0023] Figure 4 This is a schematic diagram of the assembly of Embodiment 2 of the present utility model;

[0024] Figure 5 This is a schematic diagram of the disassembly of Example 3 of the utility model;

[0025] Figure 6 This is an assembly diagram of Example 3 of the utility model.

[0026] In the figure: 1. base; 11. outer cylindrical shaft; 12. inner circular hole 1; 13. threaded hole; 14. inner square hole; 15. inner circular hole 2; 16. thread 1; 2. grinding wheel; 21. cutting surface 1; 22. cutting surface 2; 23. cutting surface 3; 24. wheel core hole; 3. fastener; 31. thread 2; 32. inner hexagonal hole 2; 33. inner circular hole 3. DETAILED DESCRIPTION

[0027] 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. Example 1

[0028] See also Figure 1 , 2 The utility model provides a technical solution: a combined bowl-shaped grinding wheel, comprising a base 1, a grinding wheel 2 and a fastener 3, wherein the base 1 is in a bowl shape, the grinding wheel 2 is sleeved on the end of the base 1, and the edge of the grinding wheel 2 is respectively provided with a cutting surface 1 21, a cutting surface 22 and a cutting surface 3 23, wherein the cutting surface 22 and the cutting surface 3 23 are opposite surfaces, and by flipping the grinding wheel 2, the positions of the cutting surface 22 and the cutting surface 3 23 can be swapped, and the fastener 3 is connected to the end of the base 1, and the grinding wheel 2 can be locked and fixed together.

[0029] In addition, an outer cylindrical shaft 11 is integrally connected to the end of the base 1, and the outer cylindrical shaft 11 extends outward. An inner cylindrical hole 12 and a threaded hole 13 are respectively opened inside the outer cylindrical shaft 11, an inner square hole 14 is opened inside the base 1, an inner cylindrical hole 2 15 is opened inside the outer cylindrical shaft 11, and a thread 1 16 is opened on the inner side wall of the inner cylindrical hole 2 15. A wheel core hole 24 is opened through the middle of the grinding wheel 2, and the wheel core hole 24 is sleeved on the outside of the outer cylindrical shaft 11. An inner hexagonal hole 2 32 is opened through the middle of the fastener 3, and a thread 2 31 is opened on the outer surface of the fastener 3. The thread 2 31 is engaged with the thread 16, and the inner hexagonal hole 2 32 can be replaced with different shapes according to needs, because there are straight, triangular, quadrilateral and other shapes on the market.

[0030] A combined bowl-shaped grinding wheel of this embodiment is assembled by sleeve-mounting the base 1 on the main shaft of the machine. After sleeve-mounting, the main shaft is located in the inner circular hole 12 and the threaded hole 13, and the base 1 is rotated so that the threaded section of the machine main shaft is connected with the threaded hole 13, and then the bolt is screwed into the inner square hole 14, and then the grinding wheel 2 is sleeved on the outer cylindrical shaft 11 through the wheel core hole 24, and then the fastener 3 is tightened in the inner circular hole 2 15, so that the thread 2 31 is engaged with the thread 1 16, and the installation and fixation of the grinding wheel 2 can be completed. When the cutting surface 22 is fully used, the grinding wheel 2 is removed, turned 180°, and then installed. After installation, the cutting surface 3 23 is in the use position, which can replace the cutting surface 22, so that the grinding wheel 2 can continue to be used, thereby extending the service life of the grinding wheel 2. Example 2

[0031] See also Figure 3 , 4 The utility model provides a technical solution: a combined bowl-shaped grinding wheel, comprising a base 1, a grinding wheel 2 and a fastener 3, wherein the base 1 is in a bowl shape, the grinding wheel 2 is sleeved on the end of the base 1, and the edge of the grinding wheel 2 is respectively provided with a cutting surface 1 21, a cutting surface 22 and a cutting surface 3 23, wherein the cutting surface 22 and the cutting surface 3 23 are opposite surfaces, and by flipping the grinding wheel 2, the positions of the cutting surface 22 and the cutting surface 3 23 can be swapped, and the fastener 3 is connected to the end of the base 1, and the grinding wheel 2 can be locked and fixed together.

[0032] In addition, an outer cylindrical shaft 11 is integrally connected to the end of the base 1, and the outer cylindrical shaft 11 extends outward. An inner cylindrical hole 12 and a threaded hole 13 are respectively opened inside the outer cylindrical shaft 11, an inner square hole 14 is opened inside the outer cylindrical shaft 11, and a thread 16 is opened outside the outer cylindrical shaft 11. A wheel core hole 24 is opened through the middle of the grinding wheel 2, and the wheel core hole 24 is sleeved on the outside of the outer cylindrical shaft 11. An inner cylindrical hole 33 is opened through the middle of the fastener 3, and a thread 2 31 is opened on the inner surface of the inner cylindrical hole 33, and the thread 2 31 is engaged with the thread 16; a convex edge is provided in the middle of the inner circle of the wheel core hole 24, and the two sides of the convex edge are steps, so that when the fastener 3 is installed, the fastener 3 and the edge of the grinding wheel 2 can form a plane, so that the grinding of the flat product can be achieved when grinding the product.

[0033] A combined bowl-shaped grinding wheel of this embodiment is assembled by sleeve-mounting the base 1 on the main shaft of the machine. After sleeve-mounting, the main shaft is located in the inner circular hole 12 and the threaded hole 13, and the base 1 is rotated so that the threaded section of the machine main shaft is connected to the threaded hole 13, and then the grinding wheel 2 is sleeved on the outer cylindrical shaft 11 through the wheel core hole 24, and then the fastener 3 is tightened on the outside of the outer cylindrical shaft 11, so that the second thread 31 is engaged with the first thread 16, and then the bolt is screwed into the inner square hole 14 to complete the installation and fixation of the grinding wheel 2. When the cutting surface 22 is fully used, the grinding wheel 2 is removed, turned 180°, and then installed. After installation, the cutting surface 3 23 is in the use position, which can replace the cutting surface 22, so that the grinding wheel 2 can continue to be used, thereby extending the service life of the grinding wheel 2. Example 3

[0034] See also Figure 5 , 6 The utility model provides a technical solution: a combined bowl-shaped grinding wheel, comprising a base 1, a grinding wheel 2 and a fastener 3, wherein the base 1 is cylindrical in shape, the grinding wheel 2 is sleeved on the end of the base 1, and the edge of the grinding wheel 2 is respectively provided with a cutting surface 1 21, a cutting surface 22 and a cutting surface 3 23, wherein the cutting surface 22 and the cutting surface 3 23 are opposite surfaces, and by flipping the grinding wheel 2, the positions of the cutting surface 22 and the cutting surface 3 23 can be swapped, and the fastener 3 is connected to the end of the base 1, and the grinding wheel 2 can be locked and fixed together.

[0035] In addition, an outer cylindrical shaft 11 is integrally connected to the end of the base 1, and the outer cylindrical shaft 11 extends outward. An inner cylindrical hole 12 and a threaded hole 13 are respectively opened inside the outer cylindrical shaft 11, an inner square hole 14 is opened inside the outer cylindrical shaft 11, and a thread 16 is opened outside the outer cylindrical shaft 11. A wheel core hole 24 is opened through the middle of the grinding wheel 2, and the wheel core hole 24 is sleeved on the outside of the outer cylindrical shaft 11. An inner cylindrical hole 33 is opened through the middle of the fastener 3, and a thread 2 31 is opened on the inner surface of the inner cylindrical hole 33, and the thread 2 31 is engaged with the thread 16.

[0036] A combined bowl-shaped grinding wheel of this embodiment, when assembled, the base 1 is sleeved on the main shaft of the machine, after sleeved, the main shaft is located in the inner circular hole 12 and the threaded hole 13, and the base 1 is rotated so that the threaded section of the machine main shaft is connected with the threaded hole 13, and then the grinding wheel 2 is sleeved on the outer cylindrical shaft 11 through the wheel core hole 24, and then the fastener 3 is tightened on the outside of the outer cylindrical shaft 11, so that the thread 2 31 is engaged with the thread 1 16, and then the bolt is screwed into the inner hexagonal hole 2 32, and the installation and fixation of the grinding wheel 2 can be completed. When the cutting surface 22 is fully used, the grinding wheel 2 is removed, turned 180°, and then installed. After installation, the cutting surface 3 23 is in the use position, which can replace the cutting surface 22, so that the grinding wheel 2 can continue to be used, and the service life of the grinding wheel 2 is extended. It should also be noted that the shape of the grinding wheel can be set to different shapes according to the needs of use, so as to meet the needs of different products for better grinding.

Claims

1. A combined bowl-shaped grinding wheel, characterized in that: include: A base (1); the base (1) is in a bowl shape or a column shape; A grinding wheel (2), wherein the grinding wheel (2) is sleeved on an end of a base (1), and the edge of the grinding wheel (2) is respectively provided with a first cutting surface (21), a second cutting surface (22), and a third cutting surface (23), wherein the second cutting surface (22) and the third cutting surface (23) are opposite surfaces, and the positions of the second cutting surface (22) and the third cutting surface (23) can be swapped by turning over the grinding wheel (2); A fastener (3), the fastener (3) being connected to an end of the base (1) and being capable of jointly locking and fixing the grinding wheel (2); An outer cylindrical shaft (11) is integrally connected to the end of the base (1), and the outer cylindrical shaft (11) extends outwards; The outer cylindrical shaft (11) is provided with an inner cylindrical hole (12) and a threaded hole (13) respectively. An inner square hole (14) is provided inside the base (1) or the outer cylindrical shaft (11); The base (1) further comprises two inner circular holes (15), and the number of the two inner circular holes (15) is zero or one; A second hexagonal hole (32) or a third inner circular hole (33) is formed through the middle of the fastener (3), and a second thread (31) is formed on the outer surface of the fastener (3) or the inner surface of the third inner circular hole (33); The second thread (31) is engaged with the first thread (16).

2. A combined bowl-shaped grinding wheel according to claim 1, characterized in that: When the number of the inner circular holes (15) is zero, a thread (16) is provided on the outside of the outer circular shaft (11); when the number of the inner circular holes (15) is one, a thread (16) is provided on the inner side wall of the inner circular hole (15).

3. A combined bowl-shaped grinding wheel according to claim 1, characterized in that: A wheel core hole (24) is formed through the middle of the grinding wheel (2), and the wheel core hole (24) is sleeved on the outside of the outer cylindrical shaft (11).

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