Grinding device for inner wall and outer wall of magnet

Abstract

The utility model relates to the technical field of magnet polishing, in particular to a magnet inner and outer wall polishing device. The technical problem is that a traditional magnet grinding device is difficult to grind the inner wall and the outer wall of an annular or tubular neodymium-iron-boron magnet piece at the same time; according to the technical scheme, the polishing device for the inner wall and the outer wall of the magnet comprises a base, a mounting assembly, an adjusting assembly, a rotating assembly, a polishing assembly, a friction assembly and a lighting assembly; compared with a traditional magnet polishing device which is difficult to polish the inner wall and the outer wall of an annular or tubular neodymium-iron-boron magnet piece at the same time, the magnet polishing device fixes the magnet through the mounting structure capable of moving oppositely, and then enables the magnet to rotate around the center of the mounting structure through the rotating structure. And during rotation, the position of the polishing structure is adjusted so that the polishing structure can polish the outer wall and the inner wall of the magnet, and therefore the inner wall and the outer wall of the annular or tubular neodymium iron boron magnet piece can be polished at the same time.

Description

Technical Field

[0001] The utility model relates to the technical field of magnet grinding, in particular to a device for grinding inner and outer walls of a magnet. Background Art

[0002] A magnet grinding device is a device used to grind the surface of a magnet, which helps to improve the quality and performance of the magnet. The device uses rotating magnetic abrasives to create friction on the surface of the magnet to remove surface dirt and defects, which can improve the flatness and finish of the magnet and make its surface more uniform. The magnet grinding device has adjustable abrasive beams and abrasive pressure to accommodate magnets of different types and sizes. It is also equipped with an appropriate control system for monitoring and adjusting the grinding process to ensure the quality and consistency of the grinding effect. The use of a magnet grinding device can improve the appearance and performance of the magnet, making it more suitable for a variety of applications. Such as motors, generators and magnetic resonance imaging. In addition, grinding can also be used to repair damage and defects on the surface of magnets, but in the use of traditional magnet grinding devices, traditional magnet grinding devices use rotating magnetic abrasives to generate friction on the surface of the magnet to remove surface dirt and defects. This can improve the flatness and smoothness of the magnet and make its surface more uniform. However, when traditional magnet grinding devices are used to grind circular or tubular magnets, the grinding structure is difficult to adjust according to circular magnets of different sizes, resulting in difficulty in simultaneously grinding the inner and outer walls of circular or tubular NdFeB magnet parts. Utility Model Content

[0003] In order to overcome the problem in daily use of traditional magnet grinding devices, when traditional magnet grinding devices are grinding annular or tubular magnets, the grinding structure is difficult to adjust according to annular magnets of different sizes, resulting in difficulty in simultaneously grinding the inner and outer walls of annular or tubular NdFeB magnet parts.

[0004] The technical solution of the utility model is: a device for grinding the inner and outer walls of a magnet, comprising a base, a mounting assembly, an adjusting assembly, a rotating assembly, a grinding assembly, a friction assembly and a lighting assembly; a mounting assembly with a mounting function is arranged above the base, an adjusting assembly with an adjusting function is arranged on one side of the base, a rotating assembly with a rotating function is arranged on the outer side of the adjusting assembly, a grinding assembly with a grinding function is arranged above the base, a friction assembly with a friction function is arranged above the base, and a lighting assembly with a lighting function is arranged above the friction assembly.

[0005] Preferably, circular or tubular magnets of different sizes can be installed through the installation component, the position of the rotating component can be adjusted by starting the adjustment component, the magnet can be rotated by rotating the rotating component, the inner wall of the magnet can be polished by the polishing component, and the outer wall of the magnet can be polished by the friction component to achieve simultaneous polishing of the inner and outer walls of the magnet, and the lighting component can facilitate observation by staff while the magnet is being polished.

[0006] Preferably, the mounting assembly includes a first hydraulic rod, a mounting frame, a first motor, a first threaded rod, a moving block, a fixed rod and a rotating roller; a first hydraulic rod is arranged above the base, a mounting frame is arranged at one end of the first hydraulic rod, a first motor is arranged above the mounting frame, a first threaded rod is arranged at the output end of the first motor, two opposite threads are arranged on the first threaded rod, a moving block is arranged on the outer side of the first threaded rod, two groups of moving blocks are arranged, the moving block and the first threaded rod are threadedly connected, a fixed rod is arranged on one side of the moving block, a rotating roller is arranged on the outer side of the fixed rod, and the rotating roller and the fixed rod are rotatably connected. When in use, the mounting frame is driven to move linearly by the telescopic movement of the first hydraulic rod, the first threaded rod is driven to rotate by starting the first motor, the moving block is driven to move up and down by the rotation of the first threaded rod, the position of the fixed rod is adjusted by the up and down movement of the moving block, thereby adjusting the position of the rotating roller, and the inner wall of the annular or tubular magnet is fixed by the up and down movement of the rotating roller to adapt to magnets of different sizes.

[0007] Preferably, the adjustment assembly includes a second hydraulic rod, a first connecting frame, a second motor and a second threaded rod; a second hydraulic rod is provided on one side of the base, a first connecting frame is provided at one end of the second hydraulic rod, a second motor is provided on one side of the first connecting frame, and a second threaded rod is provided at the output end of the second motor. When in use, the first connecting frame is driven to move linearly by the telescopic movement of the second hydraulic rod, and the second motor is started to drive the second threaded rod to rotate.

[0008] Preferably, the rotating assembly includes a movable frame, a third motor and a fixed plate; a movable frame is arranged on the outer side of the second threaded rod, the movable frame is threadedly connected to the second threaded rod, a third motor is arranged on one side of the movable frame, a fixed plate is arranged on the other side of the movable frame, the fixed plate and the third motor are connected by a rotating shaft, one side of the fixed plate is made of non-slip material, and when in use, the fixed plate is driven to move linearly by the linear movement of the first connecting frame, and the fixed plate is tightly attached to one end of the annular magnet when the fixed plate moves linearly, and the fixed plate is driven to rotate by starting the third motor, thereby driving the magnet to rotate.

[0009] Preferably, the grinding assembly includes a fourth motor and a first grinding roller; the fourth motor is arranged above the base, and the first grinding roller is arranged above the base, and the first grinding roller and the fourth motor are connected by a rotating shaft. When in use, the first grinding roller is driven to rotate by starting the fourth motor, and the inner wall of the annular or tubular magnet is grinded by the rotation of the first grinding roller.

[0010] Preferably, the friction assembly includes a third hydraulic rod, a second connecting frame, a fifth motor and a second grinding roller; a third hydraulic rod is arranged above the base, a second connecting frame is arranged at one end of the third hydraulic rod, a fifth motor is arranged on one side of the second connecting frame, and a second grinding roller is arranged on the other side of the second connecting frame. The second grinding roller and the fifth motor are connected by a rotating shaft. When in use, the second connecting frame is driven to move linearly by the telescopic movement of the third hydraulic rod, so as to adjust the position of the second grinding roller, and the second grinding roller is driven to rotate by starting the fifth motor, so that the outer wall of the magnet is polished by the rotation of the second grinding roller.

[0011] Preferably, the lighting assembly includes a bracket and a lighting lamp; a bracket is arranged above the second connecting frame, and a lighting lamp is arranged at one end of the bracket. When in use, the position of the lighting lamp is fixed by the bracket, and by turning on the lighting lamp, the operator can conveniently observe the state of the magnet during grinding.

[0012] Beneficial effects of the utility model:

[0013] 1. Compared with the traditional magnet grinding device, the device generates friction on the magnet surface by using rotating magnetic abrasive to remove surface dirt and defects, which can improve the flatness and finish of the magnet and make its surface more uniform. However, when the traditional magnet grinding device is grinding annular or tubular magnets, it is difficult to grind the inner and outer walls of the annular or tubular NdFeB magnet parts at the same time because the grinding structure is difficult to adjust according to the annular magnets of different sizes. The device can adjust the spacing according to the magnets of different sizes through the mounting structure that can move in opposite directions to fix the magnet, and then the magnet can be rotated around the center of the mounting structure through the rotating structure. While rotating, the grinding structure can be adjusted to grind along the outer and inner walls of the magnet, thereby realizing the ability to grind the inner and outer walls of the annular or tubular NdFeB magnet parts at the same time;

[0014] 2. The mounting frame is driven to move linearly by telescopic movement of the first hydraulic rod, the first threaded rod is driven to rotate by starting the first motor, the moving block is driven to move up and down by the rotation of the first threaded rod, the position of the fixed rod is adjusted by the moving block moving up and down, thereby adjusting the position of the rotating roller, the inner wall of the annular or tubular magnet is fixed by the up and down movement of the rotating roller to adapt to magnets of different sizes, the first connecting frame is driven to move linearly by telescopic movement of the second hydraulic rod, the second motor is driven to rotate the second threaded rod, the fixed plate is driven to move linearly by the linear movement of the first connecting frame, and the fixed plate is driven to move linearly by the linear movement of the fixed plate When the fixed plate is in motion, it is closely attached to one end of the annular magnet. By starting the third motor to drive the fixed plate to rotate, the magnet can be driven to rotate. By starting the fourth motor to drive the first grinding roller to rotate, the inner wall of the annular or tubular magnet is polished by the rotation of the first grinding roller. The second connecting frame is driven to move linearly by the telescopic movement of the third hydraulic rod, so as to adjust the position of the second grinding roller. By starting the fifth motor to drive the second grinding roller to rotate, the outer wall of the magnet is polished by the rotation of the second grinding roller, so as to realize the ability to simultaneously polish the inner wall and outer wall of the annular or tubular NdFeB magnet.

[0015] 3. The position of the lighting lamp is fixed by the bracket, and the operator can observe the state of the magnet during grinding by turning on the lighting lamp. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 The first three-dimensional structure schematic diagram of the inner and outer wall grinding device of the magnet of the utility model is shown;

[0017] Figure 2 The figure shows a partial three-dimensional structure diagram of the inner and outer wall grinding device of the magnet of the utility model;

[0018] Figure 3 The second three-dimensional structure schematic diagram of the inner and outer wall grinding device of the magnet of the utility model is shown;

[0019] Figure 4 The figure shows a schematic diagram of the cross-sectional three-dimensional structure of the inner and outer wall grinding device of the magnet of the utility model;

[0020] Explanation of the reference numerals: 1. base; 2. mounting assembly; 201. first hydraulic rod; 202. mounting frame; 203. first motor; 204. first threaded rod; 205. moving block; 206. fixed rod; 207. rotating roller; 3. adjusting assembly; 301. second hydraulic rod; 302. first connecting frame; 303. second motor; 304. second threaded rod; 4. rotating assembly; 401. moving frame; 402. third motor; 403. fixed plate; 5. grinding assembly; 501. fourth motor; 502. first grinding roller; 6. friction assembly; 601. third hydraulic rod; 602. second connecting frame; 603. fifth motor; 604. second grinding roller; 7. lighting assembly; 701. bracket; 702. lighting lamp. DETAILED DESCRIPTION

[0021] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0022] See also Figure 1 The utility model provides an embodiment: a device for grinding the inner and outer walls of a magnet, comprising a base 1, a mounting assembly 2, an adjusting assembly 3, a rotating assembly 4, a grinding assembly 5, a friction assembly 6 and a lighting assembly 7; a mounting assembly 2 with a mounting function is arranged above the base 1, an adjusting assembly 3 with an adjusting function is arranged on one side of the base 1, a rotating assembly 4 with a rotating function is arranged on the outer side of the adjusting assembly 3, a grinding assembly 5 with a grinding function is arranged above the base 1, a friction assembly 6 with a friction function is arranged above the base 1, and a lighting assembly 7 with a lighting function is arranged above the friction assembly 6.

[0023] See also Figure 2-4In this embodiment, the mounting assembly 2 includes a first hydraulic rod 201, a mounting frame 202, a first motor 203, a first threaded rod 204, a moving block 205, a fixed rod 206 and a rotating roller 207; the first hydraulic rod 201 is arranged above the base 1, the mounting frame 202 is arranged at one end of the first hydraulic rod 201, the first motor 203 is arranged above the mounting frame 202, the first threaded rod 204 is arranged at the output end of the first motor 203, the first threaded rod 204 is provided with two sections of opposite threads, the outer side of the first threaded rod 204 is provided with a moving block 205, the moving block 205 is provided with two groups, and the moving block 205 and the first threaded rod 20 4 threaded connection, a fixed rod 206 is arranged on one side of the moving block 205, a rotating roller 207 is arranged on the outer side of the fixed rod 206, and the rotating roller 207 is rotatably connected with the fixed rod 206. When in use, the mounting frame 202 is driven to move linearly by the telescopic movement of the first hydraulic rod 201, the first threaded rod 204 is driven to rotate by starting the first motor 203, and the moving block 205 is driven to move up and down by the rotation of the first threaded rod 204. The position of the fixed rod 206 is adjusted by the up and down movement of the moving block 205, thereby adjusting the position of the rotating roller 207, and the inner wall of the annular or tubular magnet is fixed by the up and down movement of the rotating roller 207. To adapt to magnets of different sizes, the adjustment component 3 includes a second hydraulic rod 301, a first connecting frame 302, a second motor 303 and a second threaded rod 304; a second hydraulic rod 301 is arranged on one side of the base 1, a first connecting frame 302 is arranged on one end of the second hydraulic rod 301, a second motor 303 is arranged on one side of the first connecting frame 302, a second motor 303 is arranged on the output end of the second motor 303, and when in use, the first connecting frame 302 is driven to move linearly by the telescopic movement of the second hydraulic rod 301, and the second motor 303 is started to drive the second threaded rod 304 to rotate, and the rotating component 4 includes a moving frame 401, a third motor 402 and A fixed plate 403; a movable frame 401 is arranged on the outer side of the second threaded rod 304, the movable frame 401 and the second threaded rod 304 are threadedly connected, a third motor 402 is arranged on one side of the movable frame 401, and a fixed plate 403 is arranged on the other side of the movable frame 401, the fixed plate 403 and the third motor 402 are connected by a rotating shaft, and one side of the fixed plate 403 is made of anti-slip material. When in use, the fixed plate 403 is driven to move linearly by the linear movement of the first connecting frame 302, and the fixed plate 403 is close to one end of the annular magnet when the fixed plate 403 moves linearly. The fixed plate 403 is driven to rotate by starting the third motor 402, thereby driving the magnet to rotate.

[0024] The grinding assembly 5 includes a fourth motor 501 and a first grinding roller 502; the fourth motor 501 is arranged above the base 1, and the first grinding roller 502 is arranged above the base 1. The first grinding roller 502 and the fourth motor 501 are connected by a rotating shaft. When in use, the first grinding roller 502 is driven to rotate by starting the fourth motor 501, and the inner wall of the annular or tubular magnet is grinded by the rotation of the first grinding roller 502. The friction assembly 6 includes a third hydraulic rod 601, a second connecting frame 602, a fifth motor 603 and a second grinding roller 604; the third hydraulic rod 601 is arranged above the base 1, and the second connecting frame 602 is arranged at one end of the third hydraulic rod 601, and the fifth motor 603 is arranged on one side of the second connecting frame 602, and the fifth motor 603 is arranged on the other side of the second connecting frame 602. A second grinding roller 604 is provided, and the second grinding roller 604 and the fifth motor 603 are connected by a rotating shaft. When in use, the second connecting frame 602 is driven to move linearly by the telescopic movement of the third hydraulic rod 601, so as to adjust the position of the second grinding roller 604. The second grinding roller 604 is driven to rotate by starting the fifth motor 603, and the outer wall of the magnet is polished by the rotation of the second grinding roller 604. The lighting component 7 includes a bracket 701 and a lighting lamp 702; a bracket 701 is provided above the second connecting frame 602, and a lighting lamp 702 is provided at one end of the bracket 701. When in use, the position of the lighting lamp 702 is fixed by the bracket 701, and the lighting lamp 702 can be turned on to facilitate the operator to observe the state of the magnet during grinding.

[0025] When working, first, the mounting frame 202 is driven to move linearly through the telescopic movement of the first hydraulic rod 201, and the first threaded rod 204 is driven to rotate by starting the first motor 203. The moving block 205 is driven to move up and down through the rotation of the first threaded rod 204. The position of the fixed rod 206 is adjusted by the up and down movement of the moving block 205, thereby adjusting the position of the rotating roller 207. The inner wall of the annular or tubular magnet is fixed by the up and down movement of the rotating roller 207 to accommodate magnets of different sizes.

[0026] After the magnet is installed and fixed, the first connecting frame 302 is driven to move linearly by the telescopic movement of the second hydraulic rod 301, the second motor 303 is started to drive the second threaded rod 304 to rotate, and the fixed plate 403 is driven to move linearly by the linear movement of the first connecting frame 302. When the fixed plate 403 moves linearly, the fixed plate 403 is close to one end of the annular magnet. The third motor 402 is started to drive the fixed plate 403 to rotate, so as to drive the magnet to rotate, and the first grinding roller 502 is driven to rotate by starting the fourth motor 501, and the inner wall of the annular or tubular magnet is grinded by the rotation of the first grinding roller 502, and the second connecting frame 602 is driven to move linearly by the telescopic movement of the third hydraulic rod 601, so as to adjust the position of the second grinding roller 604, and the second grinding roller 604 is driven to rotate by starting the fifth motor 603, and the outer wall of the magnet is grinded by the rotation of the second grinding roller 604;

[0027] After the grinding process, the position of the lighting lamp 702 is fixed by the bracket 701, and the operating personnel can observe the state of the magnet during grinding by turning on the lighting lamp 702.

[0028] Through the above steps, the installation component 2 can be used to install circular or tubular magnets of different sizes, the starting adjustment component 3 can be used to adjust the position of the rotating component 4, the rotating component 4 can be used to rotate the magnet, the grinding component 5 can be used to grind the inner wall of the magnet, and the friction component 6 can be used to grind the outer wall of the magnet to achieve simultaneous grinding of the inner and outer walls of the magnet. The lighting component 7 can be used to facilitate staff to observe the grinding of the magnet.

[0029] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of those skilled in the art without departing from the purpose of the present invention.

Claims

1. A device for grinding inner and outer walls of a magnet, comprising a base (1); characterized in that: The invention also comprises a mounting assembly (2), an adjustment assembly (3), a rotating assembly (4), a grinding assembly (5), a friction assembly (6) and a lighting assembly (7); a mounting assembly (2) having a mounting function is arranged above the base (1); an adjustment assembly (3) having an adjustment function is arranged on one side of the base (1); a rotating assembly (4) having a rotation function is arranged on the outer side of the adjustment assembly (3); a grinding assembly (5) having a grinding function is arranged above the base (1); a friction assembly (6) having a friction function is arranged above the base (1); and a lighting assembly (7) having a lighting function is arranged above the friction assembly (6).

2. A device for grinding inner and outer walls of a magnet according to claim 1, characterized in that: The mounting assembly (2) comprises a first hydraulic rod (201), a mounting frame (202), a first motor (203), a first threaded rod (204), a moving block (205), a fixed rod (206) and a rotating roller (207); the first hydraulic rod (201) is arranged above the base (1), the mounting frame (202) is arranged at one end of the first hydraulic rod (201), the first motor (203) is arranged above the mounting frame (202), and the output end of the first motor (203) is arranged A first threaded rod (204) is provided with two opposite threads, a moving block (205) is provided on the outer side of the first threaded rod (204), two groups of the moving blocks (205) are provided, the moving blocks (205) and the first threaded rod (204) are threadedly connected, a fixed rod (206) is provided on one side of the moving block (205), a rotating roller (207) is provided on the outer side of the fixed rod (206), and the rotating roller (207) and the fixed rod (206) are rotatably connected.

3. A device for grinding inner and outer walls of a magnet according to claim 1, characterized in that: The adjustment assembly (3) comprises a second hydraulic rod (301), a first connecting frame (302), a second motor (303) and a second threaded rod (304); the second hydraulic rod (301) is arranged on one side of the base (1), the first connecting frame (302) is arranged on one end of the second hydraulic rod (301), the second motor (303) is arranged on one side of the first connecting frame (302), and the second threaded rod (304) is arranged at the output end of the second motor (303).

4. A device for grinding inner and outer walls of a magnet according to claim 3, characterized in that: The rotating assembly (4) comprises a moving frame (401), a third motor (402) and a fixed plate (403); the moving frame (401) is arranged on the outer side of the second threaded rod (304); the moving frame (401) and the second threaded rod (304) are threadedly connected; one side of the moving frame (401) is arranged with the third motor (402); the other side of the moving frame (401) is arranged with the fixed plate (403); the fixed plate (403) and the third motor (402) are connected via a rotating shaft; and one side of the fixed plate (403) is made of anti-slip material.

5. A device for grinding inner and outer walls of a magnet according to claim 1, characterized in that: The grinding assembly (5) comprises a fourth motor (501) and a first grinding roller (502); the fourth motor (501) is arranged above the base (1), the first grinding roller (502) is arranged above the base (1), and the first grinding roller (502) and the fourth motor (501) are connected via a rotating shaft.

6. A device for grinding inner and outer walls of a magnet according to claim 1, characterized in that: The friction assembly (6) comprises a third hydraulic rod (601), a second connecting frame (602), a fifth motor (603) and a second grinding roller (604); the third hydraulic rod (601) is arranged above the base (1), the second connecting frame (602) is arranged at one end of the third hydraulic rod (601), the fifth motor (603) is arranged on one side of the second connecting frame (602), and the second grinding roller (604) is arranged on the other side of the second connecting frame (602); the second grinding roller (604) and the fifth motor (603) are connected via a rotating shaft.

7. A device for grinding inner and outer walls of a magnet according to claim 6, characterized in that: The lighting assembly (7) comprises a bracket (701) and a lighting lamp (702); the bracket (701) is arranged above the second connecting frame (602), and the lighting lamp (702) is arranged at one end of the bracket (701).

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