Sheet neodymium iron boron magnetic steel and cylindrical abrasive material separating device
By designing a sliding screen plate with adjustable screen holes and a separation device with a dust collection system, the problems of fixed screens and dust handling in traditional abrasive separation devices have been solved, thereby improving separation efficiency and equipment lifespan.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- TIANJIN HUIHAI MAGNETIC IND CO LTD
- Filing Date
- 2025-05-21
- Publication Date
- 2026-05-01
AI Technical Summary
Traditional abrasive separators have fixed screen holes, which requires frequent screen replacements to accommodate abrasives of different sizes, and the dust generated during the separation process is difficult to handle.
A separation device comprising sliding first and second sieve plates, an electric push rod, a dust collection system, and cylinder control is designed. By adjusting the sieve hole size and the dust collection system, the sieve mesh can be flexibly adapted and the dust can be centrally processed.
It improves abrasive separation efficiency, reduces screen replacement steps, reduces dust impact on the environment, and extends equipment lifespan.
Smart Images

Figure CN224182786U_ABST
Abstract
Description
A device for separating sheet-shaped NdFeB magnets from cylindrical abrasives Technical Field
[0001] This utility model relates to the field of sheet-shaped neodymium iron boron magnet processing technology, and more specifically, it relates to a device for separating sheet-shaped neodymium iron boron magnets from cylindrical abrasives. Background Technology
[0002] Neodymium iron boron magnets, also known as neodymium magnets, powerful magnets, magnetic steel, and magnetic king, are widely used in electronics, medical devices, toys, packaging, hardware machinery, aerospace and other fields. Sheet neodymium iron boron magnets are sheet-shaped metal materials made from the above materials. During the processing, in order to eliminate the sharp edges on their surface, they are often mixed with cylindrical abrasives for grinding. After grinding, the sheet neodymium iron boron magnets need to be separated from the multiple cylindrical abrasives for the next processing step. Separation devices are required for this separation process.
[0003] However, the holes on the screens of traditional abrasive separators are mostly fixed, which means that when it is necessary to separate cylindrical abrasives of different sizes, the screens need to be replaced frequently. Since most screens are fixed with bolts, disassembly and assembly are troublesome, which affects the separation efficiency.
[0004] Furthermore, a lot of dust is inevitably generated during the separation process. If it is not dealt with in time, it will have a certain impact on the surrounding staff and production environment. Summary of the Invention
[0005] (a) Technical problems to be solved
[0006] To address the problems existing in the prior art, this utility model provides a sheet-like neodymium iron boron magnet and cylindrical abrasive separation device, which solves the technical problem mentioned in the background art that the holes on the screen of the traditional abrasive separation device are mostly fixed, which leads to the need to frequently replace the screen when it is necessary to separate cylindrical abrasives of different sizes.
[0007] (II) Technical Solution
[0008] To achieve the above objectives, this utility model provides the following technical solution: a device for separating sheet-like NdFeB magnets from cylindrical abrasives, comprising a separation box, a first sieve plate at the bottom of the separation box, a sliding groove at the lower end face of the first sieve plate, a sliding rod fixedly mounted on both sides of the inner wall of the sliding groove, a second sieve plate movably mounted on the sliding rod, the second sieve plate being slidably installed with the inner wall of the sliding groove, sieve holes correspondingly opened on both the first and second sieve plates, the sieve holes being multiple and evenly distributed, a connecting block fixedly mounted on one end of each sliding rod, an electric push rod mounted in the middle of the connecting block, the output end of the electric push rod being fixedly connected to the second sieve plate, a vibration motor mounted on one side of the separation box, and strip plates fixedly mounted on both sides of the upper end face of the separation box, the bottom of each strip plate being equipped with a dust collection hood.
[0009] The present invention is further configured such that a dust suction pipe is fixedly provided on the upper end face of each strip plate, the lower end of each dust suction pipe is connected to the interior of the dust suction hood, a dust removal box is provided on the outer wall of the separation box, the other end of each dust suction pipe is connected to the interior of the dust removal box, threaded columns are fixedly provided on the outer wall of the dust removal box at the four corners, mounting shells are movably provided on the threaded columns, and negative pressure fans are provided on the outer wall of the mounting shell at both sides.
[0010] The present invention is further configured such that a dust filter plate is provided at the rear end of the mounting shell, the dust filter plate is movably installed with the threaded post, and each threaded post is provided with a fastening nut, the fastening nut abutting against the outer wall of the mounting shell.
[0011] The present invention is further configured such that a feeding plate is provided on the upper end surface and one side of the separation box, a feeding box is provided on the upper end surface of the feeding plate, multiple feeding boxes are provided and arranged in a linear manner, and an open funnel is fixedly provided on the upper end of each feeding box.
[0012] The present invention is further configured such that a control plate is rotatably provided on the inner wall of the feeding box and on both sides, and a cylinder is provided on both sides of the feeding box. The output end of the cylinder passes through the feeding box and is provided with a moving frame. Push rollers are rotatably provided inside the moving frame, and the push rollers are in contact with the control plate.
[0013] The present invention is further configured such that guide cylinders are provided at both ends of the separation box, guide columns are slidably provided inside the guide cylinders, and a base is provided at the lower end of the guide columns.
[0014] The present invention is further configured such that a spring is fixedly provided on the upper end face of each guide post, and the other end of each spring is fixedly connected to the inner wall of the guide cylinder.
[0015] The present invention is further provided that the upper surface of the base is provided with external holes at the four corners.
[0016] (III) Beneficial Effects
[0017] Compared with the prior art, this utility model provides a device for separating sheet-like NdFeB magnets from cylindrical abrasives, which has the following beneficial effects:
[0018] 1. By setting up a first screen plate, a second screen plate, screen holes, and an electric push rod, the user can control the electric push rod to move the second screen plate, thereby changing the overlap of the screen holes on the first and second screen plates, and thus adjusting the opening size of the screen holes to facilitate the separation of cylindrical abrasives of different sizes. This design reduces the steps of frequently disassembling the first screen plate and increases the overall efficiency of the device during separation.
[0019] 2. By setting up a dust suction hood, dust suction pipe, and dust collection box, the user can create negative pressure inside the dust collection box by turning on the negative pressure fan. During use, dust enters the dust collection box through the dust suction hood and dust suction pipe for easy collection. Subsequently, the mounting shell and dust filter plate can be disassembled by removing the fastening nuts to facilitate cleaning of the dust inside the dust collection box. The dust filter plate can also block dust, increasing the service life of the negative pressure fan.
[0020] 3. By setting up a control board, cylinder, and push roller, the user can pour sheet neodymium iron boron magnets and cylindrical abrasives into the feeding box to achieve the feeding effect. The user can also control the output end of the cylinder to drive the control board to rotate, thereby adjusting the opening distance between the two and controlling the feeding speed to prevent accumulation. Attached Figure Description
[0021] Figure 1 is an overall schematic diagram of a sheet-like neodymium iron boron magnet and cylindrical abrasive separation device in its unused state;
[0022] Figure 2 is a schematic diagram of the installation of the first screen plate, the second screen plate, the connecting block and the electric push rod;
[0023] Figure 3 is an exploded view of the installation of the threaded post, mounting shell, negative pressure fan, dust filter plate and fastening nut on the dust collector box;
[0024] Figure 4 is an exploded view of the installation of the separation box, guide rod, guide cylinder and base;
[0025] Figure 5 is a cross-sectional view of the installation of the feeding box, control panel, moving frame and push roller.
[0026] In the diagram: 1. Separation box; 2. First sieve plate; 3. Sliding groove; 4. Sliding rod; 5. Second sieve plate; 6. Sieve hole; 7. Connecting block; 8. Electric push rod; 9. Vibration motor; 10. Strip plate; 11. Dust hood; 12. Dust suction pipe; 13. Dust collection box; 14. Threaded column; 15. Mounting shell; 16. Negative pressure fan; 17. Dust filter plate; 18. Fastening nut; 19. Feeding plate; 20. Feeding box; 21. Open funnel; 22. Control panel; 23. Cylinder; 24. Moving frame; 25. Push roller; 26. Guide cylinder; 27. Guide column; 28. Base; 29. Spring; 30. External connection hole. Detailed Implementation
[0027] It should be noted that, unless otherwise specified, the embodiments and features described in this application can be combined with each other. The present invention will now be described in detail with reference to the accompanying drawings and embodiments.
[0028] It should be noted that, unless otherwise specified, all technical and scientific terms used in this application have the same meaning as commonly understood by one of ordinary skill in the art to which this application pertains.
[0029] In this utility model, unless otherwise stated, the orientations used, such as "up" and "down", usually refer to the direction shown in the accompanying drawings, or to the vertical, perpendicular, or gravitational direction; similarly, for ease of understanding and description, "left" and "right" usually refer to the left and right shown in the accompanying drawings; "inner" and "outer" refer to the inner and outer contours of each component itself, but the above directional terms are not used to limit this utility model.
[0030] Please refer to Figures 1-5. A device for separating sheet-like NdFeB magnets from cylindrical abrasives includes a separation box 1. The bottom of the separation box 1 is provided with a first sieve plate 2. A sliding groove 3 is opened on the lower end face of the first sieve plate 2. Sliding rods 4 are fixedly provided on the inner wall of the sliding groove 3 on both sides. A second sieve plate 5 is movably provided on the sliding rods 4. The second sieve plate 5 is slidably installed with the inner wall of the sliding groove 3. Screen holes 6 are correspondingly opened on the first sieve plate 2 and the second sieve plate 5. Multiple screen holes 6 are provided and evenly distributed. A connecting block 7 is fixedly provided at one end of each sliding rod 4. An electric push rod 8 is provided in the middle of the connecting block 7. The output end of the electric push rod 8 is fixedly connected to the second sieve plate 5. A vibration motor 9 is provided on one side of the separation box 1. Strip plates 10 are fixedly provided on the upper end face of the separation box 1 on both sides. A dust suction cover 11 is provided at the bottom of each strip plate 10.
[0031] In this embodiment, a suction pipe 12 is fixedly provided on the upper end face of the strip plate 10, and the lower end of the suction pipe 12 is connected to the interior of the suction hood 11. A dust removal box 13 is provided on the outer wall of the separation box 1, and the other end of the suction pipe 12 is connected to the interior of the dust removal box 13. Threaded posts 14 are fixedly provided on the outer wall of the dust removal box 13 at the four corners. Mounting shells 15 are movably provided on the threaded posts 14. Negative pressure fans 16 are provided on the outer wall of the mounting shells 15 on both sides. A dust filter plate 17 is provided at the rear end of the mounting shells 15. The dust filter plate 17 is movably installed with the threaded posts 14. Fastening nuts 18 are provided on the threaded posts 14, and the fastening nuts 18 abut against the outer wall of the mounting shells 15.
[0032] More specifically, the user can control the electric push rod 8 to move the second screen plate 5, thereby changing the overlap of the screen holes 6 on the first screen plate 2 and the second screen plate 5, and thus adjusting the opening size of the screen holes 6 to facilitate the separation of cylindrical abrasives of different sizes. During use, the negative pressure fan 16 can be turned on to create negative pressure inside the dust collection box 13, so that dust enters the dust collection box 13 through the dust suction hood 11 and the dust suction pipe 12 during the use of the device, so as to facilitate centralized collection. Afterwards, the mounting shell 15 and the dust filter plate 17 can be disassembled by removing the fastening nut 18 to facilitate cleaning of the dust inside the dust collection box 13. The dust filter plate 17 can also block dust, thereby increasing the service life of the negative pressure fan 16 and facilitating long-term use.
[0033] Please refer to Figures 1, 3, and 5 for an embodiment of controlling the feeding speed of neodymium iron boron magnets and cylindrical abrasives: A feeding plate 19 is provided on the upper end face of the separation box 1 and on one side. A feeding box 20 is provided on the upper end face of the feeding plate 19. Multiple feeding boxes 20 are provided and arranged linearly. An open funnel 21 is fixedly provided on the upper end of each feeding box 20. A control plate 22 is rotatably provided on both sides of the inner wall of the feeding box 20. A cylinder 23 is provided on both sides of the feeding box 20. The output end of the cylinder 23 passes through the feeding box 20 and is provided with a moving frame 24. A push roller 25 is rotatably provided inside the moving frame 24. The push roller 25 is in contact with the control plate 22.
[0034] Specifically, users can pour sheet-shaped neodymium iron boron magnets and cylindrical abrasives into the feeding box 20 to achieve the feeding effect. Furthermore, by controlling the cylinder 23, the output end of the cylinder can drive the control plate 22 to rotate, thereby adjusting the opening distance between the two and controlling the feeding speed to prevent accumulation.
[0035] Please refer to Figures 1 and 4 for a further embodiment of guiding the separation box 1: both ends of the separation box 1 are provided with guide cylinders 26, and guide posts 27 are slidably provided inside the guide cylinders 26. The lower end of the guide post 27 is provided with a base 28, and the upper end face of the guide post 27 is fixedly provided with a spring 29. The other end of the spring 29 is fixedly connected to the inner wall of the guide cylinder 26. The upper end face of the base 28 and the four corners are provided with external holes 30.
[0036] Specifically, the user can turn on the vibration motor 9 to make the separation box 1 vibrate up and down to achieve the separation effect. Furthermore, by setting the guide column 27 and the guide cylinder 26, the separation box 1 can be guided to make it move more smoothly up and down.
[0037] In summary, when using the entire equipment: the user can turn on the vibration motor 9 to vibrate the separation box 1, and then pour the sheet NdFeB magnets and cylindrical abrasives into the feeding box 20 to achieve the feeding effect. The user can also control the cylinder 23 to drive the control plate 22 to rotate, adjusting the opening distance between them and thus controlling the feeding speed to prevent accumulation inside the separation box 1. When the mixture enters the separation box 1, the vibration causes smaller cylindrical abrasives to leak through the sieve holes 6, achieving separation from the sheet NdFeB magnets. Before use, the user can also control the electric push rod 8 to move the second sieve plate 5 according to the size of the abrasives. When the device is activated, the overlap of the sieve holes 6 on the first sieve plate 2 and the second sieve plate 5 will change, thereby adjusting the opening size of the sieve holes 6 to facilitate the separation of cylindrical abrasives of different sizes. During the separation process, the negative pressure fan 16 can be turned on to create negative pressure inside the dust collection box 13, so that dust enters the dust collection box 13 through the dust suction hood 11 and the dust suction pipe 12 during use, making it easy to collect. Subsequently, the mounting shell 15 and the dust filter plate 17 can be disassembled by removing the fastening nut 18 to facilitate cleaning of the dust inside the dust collection box 13. The dust filter plate 17 can also block dust, increasing the service life of the negative pressure fan 16 and facilitating long-term use.
[0038] Of all the solutions mentioned above, those involving the connection between two components can be selected according to the actual situation, such as welding, bolt and nut connection, bolt or screw connection, or other known connection methods, which will not be elaborated here. For all the fixed connections mentioned above, welding is preferred. Although embodiments of this utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of this utility model. The scope of this utility model is defined by the appended claims and their equivalents.
Claims
1. A device for separating sheet-like NdFeB magnets from cylindrical abrasives, comprising a separation box (1), characterized in that: The bottom of the separation box (1) is provided with a first sieve plate (2). The lower end face of the first sieve plate (2) is provided with a sliding groove (3). The inner wall of the sliding groove (3) and both sides are fixedly provided with sliding rods (4). The sliding rods (4) are movably provided with a second sieve plate (5). The second sieve plate (5) is slidably installed with the inner wall of the sliding groove (3). The first sieve plate (2) and the second sieve plate (5) are respectively provided with sieve holes (6). Multiple sieve holes (6) are provided and are evenly distributed. One end of the sliding rod (4) is fixedly provided with a connecting block (7). The middle position of the connecting block (7) is provided with an electric push rod (8). The output end of the electric push rod (8) is fixedly connected to the second sieve plate (5). One side of the separation box (1) is provided with a vibration motor (9). The upper end face of the separation box (1) and both sides are fixedly provided with strip plates (10). The bottom of the strip plates (10) is provided with a dust suction cover (11).
2. The device for separating sheet-like NdFeB magnets from cylindrical abrasives according to claim 1, characterized in that: The upper surface of each strip plate (10) is fixedly provided with a suction pipe (12), the lower end of each suction pipe (12) is connected to the interior of the suction hood (11), a dust removal box (13) is provided on the outer wall of the separation box (1), the other end of each suction pipe (12) is connected to the interior of the dust removal box (13), threaded columns (14) are fixedly provided on the outer wall of the dust removal box (13) and at each of the four corners, a mounting shell (15) is movably provided on the threaded column (14), and a negative pressure fan (16) is provided on the outer wall of the mounting shell (15) and on both sides.
3. The device for separating sheet-like NdFeB magnets from cylindrical abrasives according to claim 2, characterized in that: The rear end of the mounting shell (15) is provided with a dust filter plate (17), which is movably installed with the threaded post (14). Each threaded post (14) is provided with a fastening nut (18), which abuts against the outer wall of the mounting shell (15).
4. The apparatus for separating a neodymium-iron-boron magnetic steel from a cylindrical abrasive according to claim 1, wherein the apparatus is characterized by: The upper end face of the separation box (1) and one side is provided with a feeding plate (19), the upper end face of the feeding plate (19) is provided with a feeding box (20), there are multiple feeding boxes (20) arranged in a linear manner, and the upper end of each feeding box (20) is fixedly provided with an open funnel (21).
5. The apparatus according to claim 4, wherein the apparatus is characterized in that: Control plates (22) are rotatably provided on the inner wall of the feeding box (20) and on both sides. Cylinders (23) are provided on both sides of the feeding box (20). The output end of the cylinders (23) passes through the feeding box (20) and is provided with a moving frame (24). Push rollers (25) are rotatably provided inside the moving frame (24). The push rollers (25) are in contact with the control plates (22).
6. The apparatus according to claim 1, wherein the apparatus is characterized in that: The separation box (1) is provided with guide cylinders (26) at both ends, and guide columns (27) are slidably provided inside the guide cylinders (26), and a base (28) is provided at the lower end of the guide columns (27).
7. The device for separating sheet-like NdFeB magnets from cylindrical abrasives according to claim 6, characterized in that: The upper end face of each guide post (27) is fixedly provided with a spring (29), and the other end of each spring (29) is fixedly connected to the inner wall of the guide cylinder (26).
8. The device for separating sheet-like NdFeB magnets from cylindrical abrasives according to claim 6, characterized in that: The base (28) has external holes (30) on its upper surface and at its four corners.