Precise grinding structure for production of bonded rare earth permanent magnet
By introducing a crushing mechanism and cleaning system into the rare earth permanent magnet grinding structure, the problems of low grinding efficiency and stickiness of abrasive discs are solved, and efficient pretreatment and cleaning functions are achieved.
Patent Information
- Application Number
- CN202422472090.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-14
- Publication Date
- 2025-08-01
- Estimated Expiration
- 2034-10-14
AI Technical Summary
The existing rare earth permanent magnet abrasive structure lacks pretreatment function, resulting in low grinding efficiency and inability to effectively clean abrasive particles stuck to the abrasive tray.
A precision grinding structure including a crushing mechanism and cleaning system is designed, and the pretreatment of raw materials and cleaning of abrasive discs are achieved through the combination of crushing buckets, crushing rods, spraying pipes and spray heads.
Improves grinding efficiency and effectively cleans up abrasive particles sticking to the abrasive tray, ensuring continuous use and efficient operation of the equipment.
Smart Images

Figure CN223170969U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of the production of bonded rare earth permanent magnets, in particular to a precision grinding structure for the production of bonded rare earth permanent magnets. Background Technique
[0002] Rare earth permanent magnet materials are currently known as permanent magnet materials with the highest comprehensive performance. During the production process, the raw materials of bonded rare earth permanent magnets need to be processed, so a grinding structure is required.
[0003] After retrieval, the publication number is CN218359450U, and the name is a precision grinding structure for the production of rare earth permanent magnets, including an electric cylinder. Through research and analysis, it is found that although there are advantages such as sieving during use, to a certain extent, there are still the following disadvantages.
[0004] For example, it does not have a pretreatment function. The raw materials are directly ground without being crushed, resulting in low grinding efficiency and unable to achieve the grinding effect. And it does not have a cleaning function. During grinding, some grinding particles adhere to the abrasive disc and are not easy to clean, affecting the next use. To solve the above technical problems, we have designed a precision grinding structure for the production of bonded rare earth permanent magnets. Content of the Utility Model
[0005] The purpose of the utility model is to provide a precision grinding structure for the production of bonded rare earth permanent magnets, which has the advantages of a pretreatment function and a cleaning function, and solves the problems that the existing grinding structure cannot improve the grinding efficiency and cannot handle the abrasive particles adhering to the abrasive disc during use.
[0006] To achieve the above purpose, the utility model provides the following technical solution: A precision grinding structure for the production of bonded rare earth permanent magnets, including a box body. The top of the box body is bolted with a cylinder. The output end of the cylinder penetrates into the inner cavity of the box body and is bolted with a cylinder. The bottom of the inner cavity of the cylinder is bolted with a first motor. The output end of the first motor penetrates the cylinder and is bolted with an abrasive disc. Both sides of the inner cavity of the box body are bolted with abrasive grooves. Both sides of the top of the inner cavity of the box body are bolted with a crushing mechanism. The crushing mechanism includes a crushing barrel. The bottom of the crushing barrel is bolted with a second motor. The output end of the second motor penetrates into the inner cavity of the crushing barrel and is bolted with a crushing rod. The left side of the bottom of the inner cavity of the box body is bolted with a water tank. The top of the water tank is bolted with a water pump. A collection box is placed on the right side of the bottom of the inner cavity of the box body. The left side of the top of the front side of the box body is bolted with a controller.
[0007] Preferably, a drainage plate is connected to the bottom of the inner cavity of the crushing barrel by bolts. Round holes are provided at the bottoms on both sides of the crushing barrel. A motor cover is connected to the bottom of the crushing barrel by bolts. Feed hoppers are communicated with both sides of the top of the box body, and the bottom of the feed hopper is communicated with the crushing barrel.
[0008] Preferably, a spraying pipe is connected to the left side of the inner cavity of the box body by bolts. A spray head is communicated with the right side of the spraying pipe. The water outlet end of the water pump is communicated with a water outlet pipe. The left end of the water outlet pipe penetrates through the box body and is communicated with the spraying pipe. The water inlet end of the water pump is communicated with a water inlet pipe, and the bottom end of the water inlet pipe penetrates into the inner cavity of the water tank.
[0009] Preferably, a liquid level sensor is connected to the left side of the bottom of the inner cavity of the water tank by bolts, and the controller is bidirectionally electrically connected to the liquid level sensor.
[0010] Preferably, a water injection pipe is communicated with the top of the left side of the water tank, and the left end of the water injection pipe penetrates to the left side of the box body.
[0011] Preferably, the front side of the collection box penetrates to the front side of the box body and is connected with a handle by bolts. The output end of the controller is unidirectionally electrically connected to the air cylinder, the first motor, the second motor and the water pump respectively.
[0012] Compared with the prior art, the beneficial effects of the present utility model are as follows:
[0013] 1. Through the cooperation of the feed hopper, the second motor, the crushing rod and the drainage plate, the present utility model has a pretreatment function. The user puts the raw materials through the feed hopper. The controller starts the second motor, and the second motor rotates to drive the crushing rod to rotate, so as to perform crushing treatment on the raw materials. The pretreated raw materials reach the bottom of the crushing barrel and are discharged from the round holes through the drainage plate, and the raw materials enter the abrasive groove.
[0014] 2. Through the cooperation of the water pump, the water tank and the spray head, the present utility model has a cleaning function. The controller starts the water pump, and the water pump transports the water in the water tank to the spraying pipe through the water inlet pipe and the water outlet pipe, and then sprays out from the spray head. At the same time, the controller starts the first motor, and the first motor drives the abrasive disc to rotate, and the spray head performs a comprehensive cleaning on the abrasive disc. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 is a three-dimensional structure diagram of the present utility model;
[0016] Figure 2 is a three-dimensional sectional view of the box body structure of the present utility model;
[0017] Figure 3 is a three-dimensional sectional view of the partial structure of the present utility model;
[0018] Figure 4This is a three-dimensional sectional view of the crushing mechanism of the utility model.
[0019] In the figure: 1, box body; 2, cylinder; 3, cylinder; 4, first motor; 5, abrasive disc; 6, abrasive groove; 7, crushing mechanism; 8, crushing barrel; 9, second motor; 10, crushing rod; 11, water tank; 12, water pump; 13, water outlet pipe; 14, controller; 15, drainage plate; 16, feed hopper; 17, spraying pipe; 18, spray head; 19, water inlet pipe; 20, liquid level sensor; 21, collection box; 22, water injection pipe. Specific embodiments
[0020] Please refer to Figures 1 - 4 , a precision grinding structure for the production of bonded rare earth permanent magnets, including a box body 1. The top of the box body 1 is connected with a cylinder 2 by bolts. The output end of the cylinder 2 penetrates into the inner cavity of the box body 1 and is connected with a cylinder 3 by bolts. The bottom of the inner cavity of the cylinder 3 is connected with a first motor 4 by bolts. The output end of the first motor 4 penetrates the cylinder 3 and is connected with an abrasive disc 5 by bolts. Both sides of the inner cavity of the box body 1 are connected with abrasive grooves 6 by bolts. Both sides of the top of the inner cavity of the box body 1 are connected with a crushing mechanism 7 by bolts. The crushing mechanism 7 includes a crushing barrel 8. The bottom of the crushing barrel 8 is connected with a second motor 9 by bolts. The output end of the second motor 9 penetrates into the inner cavity of the crushing barrel 8 and is connected with a crushing rod 10 by bolts. The left side of the bottom of the inner cavity of the box body 1 is connected with a water tank 11 by bolts. The top of the water tank 11 is connected with a water pump 12 by bolts. A collection box 21 is placed on the right side of the bottom of the inner cavity of the box body 1. The left side of the top of the front side of the box body 1 is connected with a controller 14 by bolts.
[0021] Please refer to Figure 4 , the bottom of the inner cavity of the crushing barrel 8 is connected with a drainage plate 15 by bolts. By setting the drainage plate 15, the crushed raw materials can be discharged from the two side round holes through the drainage plate 15. Round holes are opened at both bottoms of the crushing barrel 8. The bottom of the crushing barrel 8 is connected with a motor cover by bolts. Both sides of the top of the box body 1 are communicated with a feed hopper 16. The bottom of the feed hopper 16 is communicated with the crushing barrel 8.
[0022] Please refer to Figure 3 , the left side of the inner cavity of the box body 1 is connected with a spraying pipe 17 by bolts. The right side of the spraying pipe 17 is communicated with a spray head 18. The water outlet end of the water pump 12 is communicated with a water outlet pipe 13. The left end of the water outlet pipe 13 penetrates the box body 1 and is connected with the spraying pipe 17. The water inlet end of the water pump 12 is communicated with a water inlet pipe 19. By setting the water inlet pipe 19, the water in the water tank 11 can be transported to the water pump 12 and the water outlet pipe 13. The bottom end of the water inlet pipe 19 penetrates into the inner cavity of the water tank 11.
[0023] Please refer to Figure 3, a liquid level sensor 20 is bolted to the left side of the bottom inside the water tank 11. By providing the liquid level sensor 20, the water volume in the water tank 11 can be detected, and the controller 14 is bidirectionally electrically connected to the liquid level sensor 20.
[0024] Please refer to Figure 3 , a water injection pipe 22 is connected to the top of the left side of the water tank 11. By providing the water injection pipe 22, it is convenient to inject water into the water tank 11, and the left end of the water injection pipe 22 penetrates through to the left side of the box body 1.
[0025] Please refer to Figure 1 , the front side of the collection box 21 penetrates through to the front side of the box body 1 and is bolted with a handle. By providing the handle, the collection box 21 can be pulled out through the handle to take the raw material particles. The output end of the controller 14 is unidirectionally electrically connected to the air cylinder 2, the first motor 4, the second motor 9, and the water pump 12 respectively.
[0026] During use, the user puts raw materials through the feed hopper 16. The controller 14 starts the second motor 9, and the second motor 9 rotates to drive the crushing rod 10 to rotate, performing a crushing process on the raw materials. The pre-treated raw materials reach the bottom of the crushing barrel 8 and are discharged from the round hole through the diversion plate 15. The raw materials enter the abrasive groove 6. The controller 14 starts the air cylinder 2, and the air cylinder 2 drives the abrasive groove 6 to move downward. The controller 14 starts the first motor 4, and the first motor 4 drives the abrasive disk 5 to rotate, performing a grinding process on the raw materials. After the grinding is completed, the controller 14 starts the air cylinder 2, and the air cylinder 2 drives the abrasive disk 5 to move upward. The raw material particles enter the collection box 21, and the user can pull out the collection box 21 through the handle to collect the raw material particles. When cleaning is required, the user can inject water into the water tank 11 through the water injection pipe 22. The liquid level sensor 20 detects the water volume, and the controller 14 starts the water pump 12. The water pump 12 transports the water in the water tank 11 from the water inlet pipe 19 and the water outlet pipe 13 to the spraying pipe 17 and then sprays it out through the spray head 18. At the same time, the controller 14 starts the first motor 4, and the first motor 4 drives the abrasive disk 5 to rotate. The spray head 18 performs a comprehensive cleaning on the abrasive disk 5. After the cleaning is completed, the water enters the collection box 21, and the user can pull out the collection box 21 through the handle for processing.
[0027] To sum up: This precision grinding structure for the production of bonded rare earth permanent magnets, through the cooperation of the feed hopper 16, the second motor 9, the crushing rod 10, the diversion plate 15, the water pump 12, the water tank 11, and the spray head 18, solves the problems that the existing grinding structure cannot improve the grinding efficiency and cannot handle the abrasive particles adhered to the abrasive disk during use.
Claims
1. A precision grinding structure for the production of bonded rare earth permanent magnets, comprising a box body (1), characterized in that: The top of the box body (1) is connected with a cylinder (2) through bolts. The output end of the cylinder (2) penetrates into the inner cavity of the box body (1) and is connected with a cylinder (3) through bolts. The bottom of the inner cavity of the cylinder (3) is connected with a first motor (4) through bolts. The output end of the first motor (4) penetrates the cylinder (3) and is connected with an abrasive disc (5) through bolts. Both sides of the inner cavity of the box body (1) are connected with abrasive grooves (6) through bolts. Both sides of the top of the inner cavity of the box body (1) are connected with a crushing mechanism (7) through bolts. The crushing mechanism (7) includes a crushing barrel (8). The bottom of the crushing barrel (8) is connected with a second motor (9) through bolts. The output end of the second motor (9) penetrates into the inner cavity of the crushing barrel (8) and is connected with a crushing rod (10) through bolts. The left side of the bottom of the inner cavity of the box body (1) is connected with a water tank (11) through bolts. The top of the water tank (11) is connected with a water pump (12) through bolts. A collection box ( 2. The precision grinding structure for the production of bonded rare earth permanent magnets according to claim 1, characterized in that: The bottom of the inner cavity of the crushing barrel (8) is connected with a drainage plate (15) through bolts. Circular holes are formed in the bottoms of both sides of the crushing barrel (8). The bottom of the crushing barrel (8) is connected with a motor cover through bolts. Both sides of the top of the box body (1) are communicated with a feed hopper (16). The bottom of the feed hopper (16) is communicated with the crushing barrel (8).
3. The precision grinding structure for the production of bonded rare earth permanent magnets according to claim 1, characterized in that: The left side of the inner cavity of the box body (1) is connected with a spraying pipe (17) through bolts. The right side of the spraying pipe (17) is communicated with a spray head (18). The water outlet end of the water pump (12) is communicated with a water outlet pipe (13). The left end of the water outlet pipe (13) penetrates the box body (1) and is connected with the spraying pipe (17). The water inlet end of the water pump (12) is communicated with a water inlet pipe (19). The bottom end of the water inlet pipe (19) penetrates into the inner cavity of the water tank (11).
4. A precision grinding structure for the production of bonded rare earth permanent magnets according to claim 1, characterized in that: The left side of the bottom of the inner cavity of the water tank (11) is connected with a liquid level sensor (20) through bolts. The controller (14) is bidirectionally electrically connected with the liquid level sensor (20).
5. The precision grinding structure for the production of bonded rare earth permanent magnets according to claim 1, characterized in that: The top of the left side of the water tank (11) is communicated with a water injection pipe (22). The left end of the water injection pipe (22) penetrates to the left side of the box body (1).
6. The precision grinding structure for the production of bonded rare earth permanent magnets according to claim 1, characterized in that: The front side of the collection box (21) penetrates to the front side of the box body (1) and is connected with a handle through bolts. The output end of the controller (14) is unidirectionally electrically connected with the cylinder (2), the first motor (4), the second motor (9) and the water pump (12).