Magnetic sheet machining and grinding device

By designing a magnetic sheet processing and grinding device using a servo motor, rotating disc and suction head, the problem of clamp obstacles during the grinding of NdFeB magnetic sheet is solved, and a more efficient and stable grinding effect is achieved.

CN222874050UActive Publication Date: 2025-05-16NINGBO JIANGBEI XUTENG MAGNETIC IND CO LTD
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Patent Information

Application Number
CN202421435485.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-21
Publication Date
2025-05-16
Estimated Expiration
2034-06-21

AI Technical Summary

Technical Problem

During the polishing process of neodymium iron boron magnetic sheets, because the thickness of the magnetic sheet is very thin, it is easy to hinder the polishing components when clamping the fixture, resulting in a decrease in the polishing effect.

Method used

A magnetic sheet processing and grinding device is designed, and a servo motor drives the rotating disc and suction head for grinding. The suction head is closely fitted with the magnetic sheet through colloidal material and suction force, reducing the impact of the clamping assembly, and improving the grinding stability and effect through the air pump and cleaning roller.

Benefits of technology

By reducing the impact of the clamping assembly on the magnetic sheet, the polishing effect and stability of the magnetic sheet are improved, and are suitable for magnetic sheets of different specifications and sizes.

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Abstract

The utility model belongs to the technical field of magnetic sheet machining, and particularly relates to a magnetic sheet machining and polishing device which comprises a workbench. The top of the workbench is fixedly connected with a first fixing plate. The side wall of the first fixing plate is fixedly connected with a servo motor. The output end of the servo motor penetrates through the first fixing plate and is fixedly connected with a rotating disc. A plurality of suction heads are fixedly connected to the middle part of the rotating disc; the end, away from the rotating disc, of the suction head is made of a colloid material, and an air inlet hole is formed in the middle of the suction head. The side wall of the rotating disc is fixedly connected with an air extracting pump; the plurality of air inlet holes are communicated with an air extracting pump; the top of the workbench is fixedly connected with a linear vibrator. The top of the linear vibrator is fixedly connected with a feeding plate; the top of the workbench is fixedly connected with a grinding assembly. By means of the structure, when the magnetic sheet is polished, the influence of the clamping assembly of the magnetic sheet on polishing of the magnetic sheet is reduced, and then the influence on the polishing effect of the magnetic sheet is reduced.
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Description

Technical Field

[0001] The utility model belongs to the technical field of magnetic sheet processing, in particular to a magnetic sheet processing and grinding device. Background Art

[0002] Magnetic sheet is a thin sheet made of magnetic material, usually used in various magnetic field related applications. A common type of magnetic sheet on the market is neodymium iron boron magnetic sheet.

[0003] NdFeB magnetic sheets are tetragonal crystals formed by neodymium, iron and boron, also known as NdFeB magnets. They are permanent magnets with magnetic properties second only to absolute zero holmium magnets, and are also the most commonly used rare earth magnets. When producing NdFeB magnetic sheets, the NdFeB magnets are produced first, and then the cylindrical NdFeB magnets are cut into thin slices to obtain the prototype of NdFeB magnetic sheets. In order to improve the performance of NdFeB magnetic sheets, the surface of the magnetic sheets needs to be polished to remove burrs and impurities such as oxides on the surface of the magnetic sheets, and to improve the flatness of the surface of the magnetic sheets. However, since the thickness of the magnetic sheets is usually very thin, when the magnetic sheets are clamped with a fixture to polish both sides of the magnetic sheets, the polishing components are easily obstructed by the fixture, which leads to a decrease in the polishing effect of the magnetic sheets.

[0004] To this end, the utility model provides a magnetic sheet processing and grinding device. Utility Model Content

[0005] In order to make up for the deficiencies of the prior art, at least one technical problem raised in the background technology is solved.

[0006] The technical solution adopted by the utility model to solve its technical problems is: a magnetic sheet processing and polishing device described in the utility model comprises a workbench; a first fixed plate is fixedly connected to the top of the workbench; a servo motor is fixedly connected to the side wall of the first fixed plate; the output end of the servo motor passes through the first fixed plate and is fixedly connected to a rotating disk; a plurality of suction heads are fixedly connected to the middle of the rotating disk; the end of the suction head away from the rotating disk is a colloid material, and an air inlet is opened in the middle of the suction head; an air pump is fixedly connected to the side wall of the rotating disk; the plurality of air inlets are connected to the air pump; a linear vibrator is fixedly connected to the top of the workbench; a feeding plate is fixedly connected to the top of the linear vibrator; a polishing assembly is fixedly connected to the top of the workbench; through the above structure, when polishing the magnetic sheet, the influence of the clamping assembly of the magnetic sheet on the polishing of the magnetic sheet can be reduced, thereby reducing the influence on the polishing effect of the magnetic sheet.

[0007] Preferably, both sides of the feed plate are slidably connected with multiple sliding columns; the ends of the multiple sliding columns are fixed with baffles; the top of the baffle is arranged higher than the top of the feed plate; a pair of baffles are threadedly connected with studs in the middle; the center of the studs is located between a pair of baffles; through the above structure, magnetic sheets of different sizes can be polished, and the stability of polishing can be improved.

[0008] Preferably, a slide plate is fixedly connected to the top of the workbench; a through groove is opened in the middle of the slide plate; the width of the through groove is slightly larger than the diameter of the suction head; through the above structure, the magnetic sheet with one side polished can be conveniently removed from the device, and the magnetic sheet can be turned over at the same time to facilitate subsequent processing of the other side of the magnetic sheet.

[0009] Preferably, one end of the feed plate close to the air inlet is threadedly connected with an adjusting bolt; the middle part of the adjusting bolt is fixedly connected to a limiting ring; the highest point of the limiting ring is set higher than the top of the feed plate; through the above structure, the stability of the magnetic sheet during grinding can be further improved, thereby improving the grinding effect.

[0010] Preferably, a second fixed plate is fixedly connected to the top of the workbench; a cleaning roller is rotatably connected to the side wall of the second fixed plate; the cleaning roller is made of a flexible water-absorbing material; through the above structure, the situation in which the grinding effect of the magnetic sheet is reduced due to the attachment of debris to the end of the suction head can be reduced.

[0011] Preferably, a fixing column is fixedly connected to the side wall of the vacuum pump; the fixing column is arranged at one end of the vacuum pump where an exhaust groove is opened; the end of the fixing column is fixedly connected to a guide plate; the guide plate is arranged in an arc shape; through the above structure, the occurrence of debris generated during grinding falling on the end of the suction head can be reduced, thereby reducing the impact of the debris on grinding.

[0012] The beneficial effects of the utility model are as follows:

[0013] 1. The utility model describes a magnetic sheet processing and polishing device, which starts a servo motor to drive multiple suction heads to rotate, and simultaneously starts an air pump to generate suction at the ends of the multiple suction heads. When the suction heads rotate to the top of the magnetic sheet, the magnetic sheet is adsorbed on the ends of the suction heads, and then moved to the bottom of the polishing assembly for polishing. During polishing, the suction heads are located below the magnetic sheet and are unlikely to affect the polishing assembly, thereby reducing the impact on the polishing effect of the magnetic sheet.

[0014] 2. The magnetic sheet processing and grinding device described in the utility model adjusts the distance between a pair of baffles according to the diameters of different magnetic sheets, so that the distance between the pair of baffles is slightly larger than the diameter of the magnetic sheet, so that when the suction head adsorbs the magnetic sheet, the center of the magnetic sheet can be more easily fitted with the center of the suction head, thereby improving the stability during grinding. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The utility model will be further described below in conjunction with the accompanying drawings.

[0016] Figure 1 It is a three-dimensional diagram of the utility model;

[0017] Figure 2 It is a structural schematic diagram of the rotating disk in the utility model;

[0018] Figure 3 It is a schematic diagram of the structure of the suction head in the utility model;

[0019] Figure 4 It is a structural schematic diagram of the linear vibrator in the utility model;

[0020] In the figure: 1. workbench; 12. first fixed plate; 13. servo motor; 14. rotating disk; 15. suction head; 16. air inlet; 17. vacuum pump; 18. linear vibrator; 19. feed plate; 110. grinding assembly; 2. sliding column; 21. baffle; 22. stud bolt; 3. slide plate; 31. through groove; 4. adjusting bolt; 41. limiting ring; 5. second fixed plate; 51. cleaning roller; 6. fixed column; 61. guide plate; 7. first groove; 71. rotating roller. DETAILED DESCRIPTION

[0021] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0022] like Figures 1 to 4As shown, a magnetic sheet processing and polishing device according to an embodiment of the utility model comprises a workbench 1; a first fixed plate 12 is fixedly connected to the top of the workbench 1; a servo motor 13 is fixedly connected to the side wall of the first fixed plate 12; an output end of the servo motor 13 is arranged through the first fixed plate 12 and is fixedly connected to a rotating disk 14; a plurality of suction heads 15 are fixedly connected to the middle of the rotating disk 14; one end of the suction head 15 away from the rotating disk 14 is made of colloid material, and an air inlet 1 is opened in the middle of the suction head 15 6; the side wall of the rotating disk 14 is fixedly connected with an air pump 17; the plurality of air inlet holes 16 are all connected with the air pump 17; the top of the workbench 1 is fixedly connected with a linear vibrator 18; the top of the linear vibrator 18 is fixedly connected with a feed plate 19; the top of the workbench 1 is fixedly connected with a grinding assembly 110; when working, the magnetic piece to be polished is placed on the top of the feed plate 19, and the side to be polished is set downward, and then the linear vibrator 18 is started to move the magnetic piece above the feed plate 19 toward the rotating disk 14 The servo motor 13 is started to drive the rotating disk 14 to rotate, and the multiple suction heads 15 are driven to rotate. At the same time, the vacuum pump 17 is started to make the air inlet holes 16 at the ends of the multiple suction heads 15 generate suction. When a suction head 15 rotates to the top of the magnetic sheet located above the feeding plate 19, the magnetic sheet will be adsorbed on the end of the suction head 15. As the rotating disk 14 rotates and drives the magnetic sheet to move, the magnetic sheet will flip when moving. When a magnetic sheet moves to the bottom of the grinding assembly 110, the operation of the servo motor 13 is paused. Then, one side of the magnetic sheet is polished by the polishing component 110. Since the magnetic sheet is adsorbed by the suction head 15, the magnetic sheet will not be hindered when being polished by the polishing component 110. At the same time, the magnetic sheet will be tightly attached to the colloid material at the end of the suction head 15 due to the suction force and produce greater friction, so that the magnetic sheet will not rotate easily when being polished. Through the above structure, when polishing the magnetic sheet, the influence of the clamping component of the magnetic sheet on the polishing of the magnetic sheet can be reduced, thereby reducing the influence on the polishing effect of the magnetic sheet.

[0023] like Figures 1 to 4 As shown, both sides of the feed plate 19 are slidably connected with multiple sliding columns 2; the ends of the multiple sliding columns 2 are fixedly connected with baffles 21; the top of the baffle 21 is set higher than the top of the feed plate 19; a pair of baffles 21 are threadedly connected with studs 22 in the middle; the center of the studs 22 is located between the pair of baffles 21; when working, before placing the magnetic piece on the top of the feed plate 19, the studs 22 are rotated to adjust the distance between the pair of baffles 21, so that the distance between the pair of baffles 21 is slightly larger than the diameter of the magnetic piece, so that the suction head 15 can more easily make the center of the magnetic piece fit with the center of the suction head 15 when adsorbing the magnetic piece, thereby improving the stability during grinding. Through the above structure, magnetic pieces of different specifications and sizes can be ground, and the stability of grinding is improved at the same time.

[0024] like Figure 1 to Figure 2 As shown, a slide plate 3 is fixedly connected to the top of the workbench 1; a through groove 31 is opened in the middle of the slide plate 3; the width of the through groove 31 is slightly larger than the diameter of the suction head 15; during operation, after the grinding of the magnetic sheet is completed, as the rotating disk 14 rotates, the suction head 15 carrying the magnetic sheet will pass through the inside of the through groove 31, and then the magnetic sheet at the end of the suction head 15 will be blocked and fall off by the slide plate 3, and then the magnetic sheet will slide down with the slide plate 3, and the ungrinded side of the magnetic sheet faces downward, so that these magnetic sheets with one side ground can be placed on the top of the feeding plate 19 again for grinding the other side. Through the above structure, the magnetic sheet with one side ground can be conveniently removed from the device, and the magnetic sheet can be turned over at the same time, so as to facilitate the subsequent processing of the other side of the magnetic sheet.

[0025] like Figures 1 to 4 As shown, one end of the feed plate 19 close to the air inlet 16 is threadedly connected with an adjusting bolt 4; the middle part of the adjusting bolt 4 is fixedly connected to a limiting ring 41; the highest point of the limiting ring 41 is set higher than the top of the feed plate 19; during operation, the adjusting bolt 4 can be rotated and adjusted according to the diameter of the magnetic piece, so that the distance between the limiting ring 41 and the feed plate 19 is increased or decreased. After adjusting to a suitable position, the magnetic piece will be blocked by the limiting ring 41 and a pair of baffles 21 under the conveyance of the linear vibrator 18, so that it can be accurately adsorbed by the center of the suction head 15. Through the above structure, the stability of the magnetic piece during grinding can be further improved, thereby improving the grinding effect.

[0026] like Figures 1 to 3 As shown, a second fixed plate 5 is fixedly connected to the top of the workbench 1; a cleaning roller 51 is rotatably connected to the side wall of the second fixed plate 5; the cleaning roller 51 is a flexible water-absorbing material; during operation, a large amount of debris will be generated when the magnetic sheet is polished, and these debris will fall on the end of the suction head 15, and then when the suction head 15 adsorbs the magnetic sheet, the bonding degree between the end of the suction head 15 and the magnetic sheet is reduced, thereby affecting the polishing, and the setting of the cleaning roller 51 can clean the debris attached to the end of the suction head 15 when the end of the suction head 15 passes by with the rotation of the rotating disk 14, and at the same time, the cleaning roller 51 can be wetted to improve the cleaning effect of the debris at the end of the suction head 15, and through the above structure, the occurrence of a decrease in the polishing effect of the magnetic sheet due to the attachment of debris to the end of the suction head 15 can be reduced.

[0027] like Figures 1 to 3As shown, the side wall of the vacuum pump 17 is fixedly connected with a fixing column 6; the fixing column 6 is arranged at one end of the vacuum pump 17 where an exhaust groove is opened; the end of the fixing column 6 is fixedly connected with a guide plate 61; the guide plate 61 is arranged in an arc shape; when working, as the vacuum pump 17 is running, a large amount of air will enter the interior of the vacuum pump 17 through the air inlet hole 16 that does not adsorb the magnetic disk, and be discharged through the exhaust groove on the side wall of the vacuum pump 17, and the exhausted air flow will fall inside the guide plate 61 and be changed in flow direction by the guide plate 61, blowing away the debris generated by grinding the magnetic disk near multiple suction heads 15. Through the above structure, the occurrence of debris generated during grinding falling on the end of the suction head 15 can be reduced, thereby reducing the impact of the debris on grinding.

[0028] like Figure 1 to Figure 2 As shown, a first groove 7 is opened in the middle of the skateboard 3; a plurality of rotating rollers 71 are rotatably connected to the middle of the first groove 7; during operation, after the magnetic sheet falls on the top of the skateboard 3, due to the certain inclination of the skateboard 3, the magnetic sheet will roll downward with the plurality of rotating rollers 71, thereby completing the discharge and reducing the accumulation of magnetic sheets on the top of the skateboard 3.

[0029] During operation, the magnetic piece to be polished is placed on the top of the feeding plate 19, and the side to be polished is set downward, then the linear vibrator 18 is started to push the magnetic piece above the feeding plate 19 toward the bottom of the rotating disk 14, and the servo motor 13 is started to drive the rotating disk 14 to rotate, drive multiple suction heads 15 to rotate, and at the same time start the vacuum pump 17 to make the air inlet holes 16 at the ends of the multiple suction heads 15 generate suction. When a suction head 15 rotates to the top of the magnetic piece located above the feeding plate 19, the magnetic piece will be adsorbed on the end of the suction head 15, and the rotation of the rotating disk 14 drives the magnetic piece to move, and the magnetic piece will flip when moving. When a magnetic piece moves to the bottom of the polishing component 110, the operation of the servo motor 13 is paused, and then the polishing is completed. Component 110 polishes one side of the magnetic sheet. Since the magnetic sheet is adsorbed by the suction head 15, the magnetic sheet will not be hindered when being polished by the polishing component 110. At the same time, the magnetic sheet will be tightly attached to the colloid material at the end of the suction head 15 due to the suction force and produce greater friction, so that the magnetic sheet will not easily rotate when polishing. Before placing the magnetic sheet on top of the feeding plate 19, turn the stud bolt 22 to adjust the distance between a pair of baffles 21 so that the distance between the pair of baffles 21 is slightly larger than the diameter of the magnetic sheet, so that the suction head 15 can more easily make the center of the magnetic sheet fit with the center of the suction head 15 when adsorbing the magnetic sheet, thereby improving the stability during polishing. After the polishing of the magnetic sheet is completed, as the rotating disk 14 rotates, the magnetic sheet is carried The suction head 15 will pass through the inside of the through groove 31, and then the magnetic piece at the end of the suction head 15 will be blocked by the slide plate 3 and fall off, and then the magnetic piece will slide down with the slide plate 3, and the unpolished side of the magnetic piece will face downward, so that these magnetic pieces with one side polished will be placed on the top of the feeding plate 19 again for polishing the other side. The adjusting bolt 4 can be rotated and adjusted according to the diameter of the magnetic piece to increase or decrease the distance between the limit ring 41 and the feeding plate 19. After adjusting to the appropriate position, the magnetic piece will be blocked by the limit ring 41 and a pair of baffles 21 under the conveyance of the linear vibrator 18, so that it can be accurately adsorbed by the suction head 15 in the center. When the magnetic piece is polished, a large amount of debris will be generated, and these debris will fall on the end of the suction head 15. The cleaning roller 51 can clean the debris attached to the end of the suction head 15 when the end of the suction head 15 passes by with the rotation of the rotating disk 14. At the same time, the cleaning roller 51 can be wetted to improve the cleaning effect of the debris at the end of the suction head 15. As the vacuum pump 17 runs, a large amount of air will enter the interior of the vacuum pump 17 through the air inlet 16 that does not adsorb the magnetic disk, and be discharged through the exhaust groove on the side wall of the vacuum pump 17. The exhausted airflow will fall into the guide plate 61 and be changed by the guide plate 61, thereby blowing away the debris generated by grinding the magnetic disk near multiple suction heads 15.

[0030] The above shows and describes the basic principles, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principles of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A magnetic sheet processing and polishing device, comprising a workbench (1); characterized in that: The top of the workbench (1) is fixedly connected to a first fixed plate (12); the side wall of the first fixed plate (12) is fixedly connected to a servo motor (13); the output end of the servo motor (13) passes through the first fixed plate (12) and is fixedly connected to a rotating disk (14); a plurality of suction heads (15) are fixedly connected to the middle of the rotating disk (14); the end of the suction head (15) away from the rotating disk (14) is made of a colloid material, and an air inlet (16) is provided in the middle of the suction head (15); the side wall of the rotating disk (14) is fixedly connected to an air pump (17); the plurality of air inlet holes (16) are all connected to the air pump (17); the top of the workbench (1) is fixedly connected to a linear vibrator (18); the top of the linear vibrator (18) is fixedly connected to a feeding plate (19); the top of the workbench (1) is fixedly connected to a grinding assembly (110).

2. A magnetic sheet processing and polishing device according to claim 1, characterized in that: Both sides of the feed plate (19) are slidably connected with a plurality of sliding columns (2); the ends of the plurality of sliding columns (2) are fixedly connected with baffles (21); the top of the baffle (21) is arranged higher than the top of the feed plate (19); a pair of baffles (21) are threadedly connected with stud bolts (22) in the middle; the center of the stud bolts (22) is located between the pair of baffles (21).

3. A magnetic sheet processing and polishing device according to claim 2, characterized in that: A slide plate (3) is fixedly connected to the top of the workbench (1); a through groove (31) is provided in the middle of the slide plate (3); and the width of the through groove (31) is slightly larger than the diameter of the suction head (15).

4. A magnetic sheet processing and polishing device according to claim 3, characterized in that: An adjusting bolt (4) is threadedly connected to one end of the feeding plate (19) close to the air inlet (16); a limiting ring (41) is fixedly connected to the middle of the adjusting bolt (4); and the highest point of the limiting ring (41) is arranged higher than the top of the feeding plate (19).

5. A magnetic sheet processing and polishing device according to claim 4, characterized in that: A second fixed plate (5) is fixedly connected to the top of the workbench (1); a cleaning roller (51) is rotatably connected to the side wall of the second fixed plate (5); and the cleaning roller (51) is made of a flexible water-absorbing material.

6. A magnetic sheet processing and polishing device according to claim 5, characterized in that: A fixing column (6) is fixedly connected to the side wall of the air pump (17); the fixing column (6) is arranged at one end of the air pump (17) where an exhaust groove is provided; a guide plate (61) is fixedly connected to the end of the fixing column (6); the guide plate (61) is arranged in an arc shape.

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