Surface processing device for special-shaped rare earth permanent magnet material

Abstract

The invention relates to the technical field of grinding of rare earth permanent magnetic materials, in particular to a special-shaped rare earth permanent magnetic material surface machining device which comprises a bottom plate, supports, sliding rails, first sliding plates and the like, the two supports are connected to the top of the bottom plate, the sliding rails are connected to the tops of the supports, and the first sliding plates are slidably connected to the sliding rails. The top of the special-shaped rare earth permanent magnet material can be ground through the grinding roller, the first grinding wheel and the second grinding wheel, the special-shaped rare earth permanent magnet material can be driven to rotate through the output shaft of the servo motor, the special-shaped rare earth permanent magnet material can be steered, the special-shaped rare earth permanent magnet material can be driven to rotate through the output shaft of the stepping motor, and the special-shaped rare earth permanent magnet material can be steered. The special-shaped rare earth permanent magnet material is turned over, it is ensured that each face of the special-shaped rare earth permanent magnet material can be fully ground, turning and turning over are automatically conducted on the special-shaped rare earth permanent magnet material, manual intervention can be reduced, and therefore the machining efficiency and the product quality can be improved.

Description

Technical Field

[0001] The invention relates to the technical field of grinding processing of rare earth permanent magnetic materials, in particular to a surface processing device for special-shaped rare earth permanent magnetic materials. Background Art

[0002] Rare earth permanent magnet materials are a type of high-performance magnetic material with rare earth elements as the main component. Due to their excellent magnetic properties, they are widely used in electronics, automobiles and other fields. Rare earth permanent magnet materials have the characteristics of high remanence, high coercive force and high magnetic energy product, which can significantly improve the efficiency and miniaturization of equipment.

[0003] Special-shaped rare earth permanent magnet materials sometimes need to be ground, but for step-type rare earth permanent magnet materials, this complex geometric shape increases the difficulty of grinding. It is difficult to complete the grinding process in one go, and a lot of manual intervention is required. Workers need to frequently adjust the position of special-shaped rare earth permanent magnet materials to ensure that each surface can be fully ground, which affects processing efficiency. Manual operation is prone to errors, affecting the quality of the final product. Summary of the invention

[0004] In view of this, the present invention provides a surface processing device for special-shaped rare earth permanent magnet materials, which can overcome the need to frequently adjust the position of special-shaped rare earth permanent magnet materials to ensure that each surface can be fully ground, affecting processing efficiency, and manual operation is prone to errors, affecting the quality of the final product.

[0005] The technical solution is: a surface processing device for a special-shaped rare earth permanent magnetic material, including a bottom plate, a bracket, a slide rail, a first slide plate, a screw motor, a drive motor, a grinding roller, a second slide plate, a first electric shaft, a first grinding wheel, a first bidirectional screw rod, a second electric shaft, a second grinding wheel, a second bidirectional screw rod, a material discharge mechanism and a fixing mechanism, two brackets are connected to the top of the bottom plate, the top of each bracket is connected to a slide rail, the slide rails are slidably connected to the first slide plate, the slide rails are equipped with a screw motor, the screw rod of the screw motor and the first slide plate are connected by a thread, the first slide plate is equipped with a drive motor, and the output shafts of the two drive motors are connected A grinding roller is connected, and a second skateboard is slidably connected in the first skateboard. A first electric shaft is installed on the two first skateboards, a first grinding wheel is slidably connected on the first electric shaft, a first bidirectional screw is rotatably connected on the first electric shaft, and the first bidirectional screw and the first grinding wheel are connected by threads. A second electric shaft is installed on the two second skateboards, a second grinding wheel is slidably connected on the second electric shaft, a second bidirectional screw is rotatably connected on the second electric shaft, and the second bidirectional screw and the second grinding wheel are connected by threads. The discharge mechanism is used for placing special-shaped rare earth permanent magnet materials, and the fixing mechanism is used for fixing the second skateboard on the first skateboard.

[0006] As an improvement of the above scheme, the discharging mechanism includes a support plate, a lifting plate, an arc guide rail, a rotating frame, a rotating plate, a servo motor, a discharging module, a contact plate and a rotating assembly. The front and rear sides of the top of the bottom plate are connected to the support plates, and the top of the support plate is slidably connected to the lifting plate. The lifting plate and the support plate are both installed with arc guide rails. The arc guide rails on the lifting plate and the arc guide rails on the support plate are combined into a complete annular guide rail. The two arc guide rails facing each other are slidably connected to the rotating frame. The rotating frame is rotatably connected to the rotating plate. The servo motor is installed on the rotating frame. The output shaft of the servo motor is connected to the rotating plate to drive the rotating plate to rotate. The rotating plate is connected with a detachable discharging module, and the discharging module is provided with a discharging trough for placing special-shaped rare earth permanent magnet materials. The rotating frame is connected with a contact plate. The first slide plate will contact the contact plate during the process of moving to the left and push the contact plate to move upward. The contact plate drives the rotating plate to move upward to lift the rotating plate. The rotating assembly is used to control the rotation of the rotating plate to turn over the special-shaped rare earth permanent magnet material.

[0007] As an improvement of the above scheme, the rotating assembly includes an arc-shaped rack, a stepper motor and a gear. The front and rear sides of the rotating frame are connected with an arc-shaped rack. The arc-shaped racks on the two rotating frames are combined into a complete inner gear ring. Stepper motors are installed on the support plates. Gears are connected to the output shafts of the stepper motors. The inner gear ring composed of the gears and the arc-shaped racks is meshed.

[0008] As an improvement of the above-mentioned scheme, the fixing mechanism includes a magnet, an electric push rod and a card plate. The second slide board is connected with a magnet, which can be adsorbed on the slide rail. The top of the first slide board is installed with an electric push rod, and the telescopic rod of the electric push rod is connected with a card plate, which slides through the first slide board. The second slide board is provided with a card slot, and the card plate can be inserted into the card slot to fix the second slide board on the first slide board.

[0009] As an improvement of the above scheme, it also includes a vacuum cleaner, a hose, a cover body, a hard tube and a suction nozzle. Vacuum cleaners are installed on the front and rear sides of the top of the base plate, and the vacuum cleaners are connected to the hoses. The first slide plate is connected to the cover body, and the cover body is located above the grinding roller, the first grinding wheel and the second grinding wheel. The top of the cover body is connected to the hard tube, the hard tube and the hose are connected, and the bottom of the hard tube is connected to the suction nozzle, and the suction nozzle passes through the top of the cover body.

[0010] As an improvement of the above scheme, it also includes a mounting plate and a roller. The first slide plate is connected to the mounting plate, and the bottom of the mounting plate is rotatably connected to the roller, and the roller is in contact with the top of the slide rail.

[0011] As an improvement to the above solution, both left and right sides of the contact plate are inclined.

[0012] As an improvement of the above solution, the side of the first sliding plate facing the contact plate is an inclined surface.

[0013] Compared with the prior art, the present invention has the following advantages: 1. The present invention can grind the top of the special-shaped rare earth permanent magnet material through the grinding roller, the first grinding wheel and the second grinding wheel, and can drive the special-shaped rare earth permanent magnet material to rotate and turn the special-shaped rare earth permanent magnet material through the output shaft of the servo motor. The output shaft of the stepper motor can drive the special-shaped rare earth permanent magnet material to rotate and turn the special-shaped rare earth permanent magnet material over, ensuring that each surface of the special-shaped rare earth permanent magnet material can be fully ground, and automatically turn and turn the special-shaped rare earth permanent magnet material, which can reduce manual intervention, thereby improving processing efficiency and product quality.

[0014] 2. The dust generated during grinding can be sucked into the vacuum cleaner for dust removal to prevent the dust from being adsorbed on the special-shaped rare earth permanent magnet material. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 A three-dimensional structural schematic diagram of the present invention is shown.

[0016] Figure 2 A schematic diagram of the three-dimensional structure of the grinding roller and the second slide plate of the present invention is shown.

[0017] Figure 3 A schematic diagram of the three-dimensional structure of the drive motor, the first electric shaft, the first grinding wheel, the second electric shaft and the second grinding wheel of the present invention is shown.

[0018] Figure 4 A front view of a grinding roller, a first grinding wheel and a second grinding wheel according to the present invention is shown.

[0019] Figure 5 A schematic diagram of the three-dimensional structure of the first electric shaft, the first grinding wheel and the first bidirectional screw of the present invention is shown.

[0020] Figure 6 A schematic diagram of the three-dimensional structure of the second electric shaft, the second grinding wheel and the second bidirectional screw of the present invention is shown.

[0021] Figure 7 The three-dimensional structural schematic diagram of the material discharge mechanism of the present invention is shown.

[0022] Figure 8 The three-dimensional structural schematic diagram of the material discharge module and the material discharge trough of the present invention is shown.

[0023] Fig. 9 The three-dimensional structural schematic diagram of the arc rack, stepper motor and gear of the present invention is shown.

[0024] Fig.10 A three-dimensional structural schematic diagram of the fixing mechanism of the present invention is shown.

[0025] Fig.11 A three-dimensional structural schematic diagram of the bayonet of the present invention is shown.

[0026] Fig.12 The three-dimensional structure schematic diagram of the vacuum cleaner and the cover body of the present invention is shown.

[0027] Fig.13 A three-dimensional structural schematic diagram of the hose, cover body and suction nozzle of the present invention is shown.

[0028] Fig.14 A three-dimensional structural schematic diagram of the mounting plate and the roller of the present invention is shown.

[0029] Names of the reference numerals in the figure: 1, bottom plate, 2, bracket, 3, slide rail, 4, first slide plate, 5, screw motor, 6, drive motor, 7, grinding roller, 8, second slide plate, 9, first electric shaft, 10, first grinding wheel, 11, first bidirectional screw, 12, second electric shaft, 13, second grinding wheel, 14, second bidirectional screw, 151, support plate, 152, lifting plate, 153, arc guide rail, 154, rotating frame, 155, Rotating plate, 156, servo motor, 157, discharge module, 158, discharge trough, 159, contact plate, 1510, arc rack, 1511, stepping motor, 1512, gear, 161, magnet, 162, electric push rod, 163, card plate, 164, bayonet, 171, vacuum cleaner, 172, hose, 173, cover body, 174, hard tube, 175, nozzle, 181, mounting plate, 182, roller. DETAILED DESCRIPTION

[0030] The above scheme is further described below in conjunction with specific examples. It should be understood that these examples are used to illustrate the present application and are not limited to the scope of the present application. The implementation conditions adopted in the examples can be further adjusted according to the conditions of the specific manufacturer, and the implementation conditions not specified are usually the conditions in conventional experiments.

[0031] Reference Figure 1-Figure 11A surface processing device for a special-shaped rare earth permanent magnetic material includes a bottom plate 1, a bracket 2, a slide rail 3, a first slide plate 4, a screw motor 5, a drive motor 6, a grinding roller 7, a second slide plate 8, a first electric shaft 9, a first grinding wheel 10, a first bidirectional screw 11, a second electric shaft 12, a second grinding wheel 13, a second bidirectional screw 14, a material discharge mechanism and a fixing mechanism. The front and rear sides of the right side of the top of the bottom plate 1 are both connected with the bracket 2 by bolts, the top of the bracket 2 is connected with the slide rail 3 by bolts, the slide rail 3 is slidably connected with the first slide plate 4, the left side of the first slide plate 4 is an inclined surface, the slide rail 3 is installed with a screw motor 5 by bolts, the screw of the screw motor 5 and the first slide plate 4 are threadedly connected, and the left part of the first slide plate 4 is installed with a drive motor 6 by bolts A grinding roller 7 is connected between the output shafts of the two driving motors 6, a second skateboard 8 is slidably connected in the first skateboard 4, a first electric shaft 9 is installed on the left part of the two first skateboards 4, the front and rear parts of the first electric shaft 9 are slidably connected to a group of first grinding wheels 10 arranged in pairs, the front and rear parts of the first electric shaft 9 are rotatably connected to the first bidirectional screw rod 11, the first electric shaft 9 and the first bidirectional screw rod 11 are connected by a connecting block, the first bidirectional screw rod 11 is rotatably arranged in the connecting block, the two first bidirectional screw rods 11 are connected to each other, the two first bidirectional screw rods 11 are respectively connected to the two groups of first grinding wheels 10 by threads, and the threads on the two first grinding wheels 10 in the same group are in opposite directions, so the first bidirectional screw rod 11 can drive the two first grinding wheels 10 to opposite directions. The first grinding wheel 10 can be driven to move in the opposite direction by manually rotating the first bidirectional screw rod 11, so as to adjust the distance between the two first grinding wheels 10 in the same group according to the size of the special-shaped rare earth permanent magnet material. The first grinding wheel 10 has a grinding sheet on the outside. The first grinding wheel 10 grinds the special-shaped rare earth permanent magnet material through the grinding sheet, and the grinding sheet on the first grinding wheel 10 can be removed and replaced. The appropriate grinding sheet can be selected according to the shape of the special-shaped rare earth permanent magnet material to adapt to the special-shaped rare earth permanent magnet material of different shapes. The left parts of the two second slide plates 8 are jointly installed with a second electric shaft 12. The front and rear parts of the second electric shaft 12 are slidably connected to a group of second grinding wheels 13 arranged in pairs. The front and rear parts of the second electric shaft 12 are rotatably connected to the second bidirectional screw rod 11. The second electric shaft 12 and the second bidirectional screw rod 14 are connected by a connecting block, the second bidirectional screw rod 14 is rotatably arranged in the connecting block, the two second bidirectional screw rods 14 are connected to each other, and the two second bidirectional screw rods 14 are respectively connected to the two groups of second grinding wheels 13 by threads. The threads on the two second grinding wheels 13 in the same group are in opposite directions, so the second bidirectional screw rod 14 can drive the two second grinding wheels 13 to move in opposite directions. Manually rotating the second bidirectional screw rod 14 can drive the second grinding wheels 13 to move, thereby adjusting the distance between the two second grinding wheels 13 in the same group according to the size of the special-shaped rare earth permanent magnet material. The second grinding wheel 13 has a grinding sheet on the outside, and the second grinding wheel 13 grinds the special-shaped rare earth permanent magnet material through the grinding sheet.The grinding sheet on the second grinding wheel 13 can be disassembled and replaced, and a suitable grinding sheet can be selected according to the shape of the special-shaped rare earth permanent magnet material to adapt to the special-shaped rare earth permanent magnet material of different shapes. The material discharge mechanism is used to place the special-shaped rare earth permanent magnet material, and the fixing mechanism is used to fix the second slide plate 8 on the first slide plate 4.

[0032] Reference Figure 1 , Figure 7 , Figure 8 and Fig. 9 The material discharging mechanism includes a support plate 151, a lifting plate 152, an arc guide rail 153, a rotating frame 154, a rotating plate 155, a servo motor 156, a material discharging module 157, a contact plate 159 and a rotating assembly. The front and rear sides of the left side of the top of the bottom plate 1 are connected with the support plate 151 by bolts, and the top of the support plate 151 is slidably connected with the lifting plate 152. The side where the lifting plate 152 and the support plate 151 are close to each other is installed with an arc guide rail 153 by bolts. The arc guide rail on the lifting plate 152 The arc guide rail 153 and the support plate 151 are combined into a complete annular guide rail, and the two arc guide rails 153 facing each other are slidably connected with a rotating frame 154, and the rotating frame 154 can rotate in the annular guide rail. The sides of the two rotating frames 154 close to each other are both rotatably connected with a rotating plate 155, and the two rotating plates 155 contact each other. The sides of the two rotating frames 154 away from each other are both installed with a servo motor 156 by bolts, and the output shaft of the servo motor 156 and the rotating plate 155 are connected to each other. 55 is connected, and two discharging modules 157 are connected to each other on one side of the two rotating plates 155 close to each other by bolts. The two discharging modules 157 on the same rotating plate 155 are arranged relative to each other front and back, and two discharging grooves 158 are provided on the discharging modules 157. The two discharging grooves 158 on the same discharging module 157 are arranged relative to each other left and right. The discharging modules 157 can be disassembled and replaced, and a suitable discharging module 157 can be selected according to the shape and size of the special-shaped rare earth permanent magnet material, so as to grind the special-shaped rare earth permanent magnet materials of different shapes and sizes. Two contact plates 159 are connected to the one side of the two rotating frames 154 away from each other, and the two contact plates 159 on the same rotating frame 154 are arranged relative to each other front and back, and the left and right sides of the contact plates 159 are inclined. When the first slide plate 4 moves to the left, the inclined surface on the left side of the first slide plate 4 will contact the inclined position of the contact plate 159. The rotating component is used to control the rotation of the rotating plate 155 to turn over the special-shaped rare earth permanent magnet material.

[0033] Reference Figure 7 and Fig. 9The rotating assembly includes an arc-shaped rack 1510, a stepper motor 1511 and a gear 1512. The arc-shaped rack 1510 is connected to the front and rear sides of the rotating frame 154. The arc-shaped racks 1510 on the two rotating frames 154 are combined into a complete inner gear ring. The stepper motors 1511 are installed on the sides of the two support plates 151 away from each other by bolts. The output shafts of the stepper motors 1511 are connected to the gears 1512 by keys. The inner gear ring composed of the gears 1512 and the arc-shaped racks 1510 are meshed.

[0034] Reference Fig.10 and Fig.11 The fixing mechanism includes a magnet 161, an electric push rod 162 and a card plate 163. The right side of the second slide 8 is connected with a magnet 161, and the right side of the magnet 161 contacts the right side of the slide rail 3. The contact position between the slide rail 3 and the magnet 161 is a magnetic material, so that the magnet 161 can be adsorbed on the slide rail 3. The right side of the top of the first slide 4 is installed with an electric push rod 162 by bolts, and the upper end of the telescopic rod of the electric push rod 162 is connected with a card plate 163, and the card plate 163 slides through the first slide 4. The right part of the second slide 8 is opened with a bayonet 164, and the card plate 163 is located in the bayonet 164.

[0035] The staff pushes the upper rotating frame 154 upward, drives the upper rotating plate 155 to move upward, and then puts the special-shaped rare earth permanent magnet material into the discharge trough 158 below (the special-shaped rare earth permanent magnet material is placed in the discharge trough 158 below). Figure 8As shown in the figure), the upper rotating frame 154 is slowly relaxed, and the upper rotating plate 155 moves downward under the action of its own gravity, and the two rotating plates 155 are re-contacted. At the same time, the special-shaped rare earth permanent magnet material will enter the upper discharge trough 158, and then the staff controls the screw motor 5 to drive the first slide plate 4 to move to the left, and the first slide plate 4 drives the grinding roller 7 and the first grinding wheel 10 to move to the left. At this time, the clamping plate 163 is inserted in the clamping port 164, and the second slide plate 8 is fixed on the first slide plate 4, so the second slide plate 8 will move to the left with the first slide plate 4, and the second slide plate 8 will drive the second grinding wheel 13 to move to the left. When the inclined surface on the left side of the first slide plate 4 contacts the inclined position of the upper contact plate 159, the first slide plate 4 will push the upper contact plate 1 59 moves upward, the upper contact plate 159 drives the upper rotating frame 154 to move upward, the upper rotating frame 154 drives the upper rotating plate 155 to move upward, and the upper rotating plate 155 is lifted, so that the grinding roller 7, the first grinding wheel 10 and the second grinding wheel 13 can grind the special-shaped rare earth permanent magnet material, the grinding roller 7 can grind the top of the special-shaped rare earth permanent magnet material, the first grinding wheel 10 can grind the front and back sides of the special-shaped rare earth permanent magnet material, and the second grinding wheel 13 can grind the front and back sides of the step of the special-shaped rare earth permanent magnet material. After the grinding is completed, the lead screw motor 5 is controlled to drive the first slide plate 4 to move right, drive the grinding roller 7, the first grinding wheel 10 and the second grinding wheel 13 to move right and reset, and the first slide plate 4 is not Then push the contact plate 159 above, the rotating plate 155 above moves downward under the action of its own gravity, and then control the output shaft of the servo motor 156 to rotate 90 degrees, drive the rotating plate 155 to rotate 90 degrees, and the rotating plate 155 drives the special-shaped rare earth permanent magnet material to rotate 90 degrees, and the special-shaped rare earth permanent magnet material is turned, so that the first grinding wheel 10 can grind the left and right sides of the special-shaped rare earth permanent magnet material, and the second grinding wheel 13 can grind the left and right sides of the step of the special-shaped rare earth permanent magnet material, and control the output shaft of the stepping motor 1511 to rotate, drive the gear 1512 to rotate, the gear 1512 drives the inner gear ring composed of the arc-shaped rack 1510 to rotate, and the inner gear ring composed of the arc-shaped rack 1510 drives the rotating frame 154 to rotate, and the rotating frame 154 drives the rotating plate 155 to rotate, and the rotating plate 155 drives the special-shaped rare earth permanent magnet material to rotate, and the special-shaped rare earth permanent magnet material is turned over, so that the grinding roller 7, the first grinding wheel 10 and the second grinding wheel 13 can grind the other side of the special-shaped rare earth permanent magnet material, ensuring that each side of the special-shaped rare earth permanent magnet material can be fully ground, and the special-shaped rare earth permanent magnet material is automatically turned and turned over, which can reduce manual intervention, thereby improving processing efficiency and product quality. After the special-shaped rare earth permanent magnet material is turned over, the part without steps on the special-shaped rare earth permanent magnet material faces upward, and the part without steps does not need to be ground by the second grinding wheel 13. At this time, the staff can control the telescopic rod of the electric push rod 162 to extend, driving the clamping plate 163 to move upward.The clamping plate 163 is removed from the clamping port 164, thereby releasing the second slide plate 8 from the first slide plate 4, and the magnet 161 is adsorbed on the slide rail 3 to restrict the movement of the second slide plate 8, so that the second slide plate 8 will not move with the first slide plate 4, and the second grinding wheel 13 will not move with the first slide plate 4.

[0036] Reference Fig.12 and Fig.13 , also includes a vacuum cleaner 171, a hose 172, a cover 173, a hard tube 174 and a suction nozzle 175. The vacuum cleaner 171 is installed on both the front and rear sides of the top of the bottom plate 1 by bolts. The two vacuum cleaners 171 are located between the two brackets 2. The front and rear sides of the upper left side of the vacuum cleaner 171 are connected with the hose 172. The sides of the two first slide plates 4 close to each other are connected with the cover 173 by bolts. The cover 173 is located above the grinding roller 7, the first grinding wheel 10 and the second grinding wheel 13. The front and rear sides of the top of the cover 173 are connected with the hard tube 174. The right end of the hard tube 174 is connected to the left end of the hose 172. Three suction nozzles 175 are evenly spaced and connected to the bottom of the hard tube 174. The suction nozzle 175 runs through the top of the cover 173.

[0037] When the first slide plate 4 moves to the left, it will drive the cover body 173 to move to the left, and the cover body 173 will drive the hard tube 174 and the suction nozzle 175 to move to the left. When grinding the special-shaped rare earth permanent magnet material, the vacuum cleaner 171 is started, and the suction nozzle 175 can absorb the dust generated during the grinding. The dust enters the vacuum cleaner 171 through the hard tube 174 and the hose 172 for dust removal to prevent the dust from being adsorbed on the special-shaped rare earth permanent magnet material.

[0038] Reference Fig.14 , also includes a mounting plate 181 and a roller 182. The upper part of the first slide plate 4 is connected to the mounting plate 181 by bolts, and the bottom of the mounting plate 181 is evenly spaced and rotatably connected to the roller 182, and the roller 182 is in contact with the top of the slide rail 3.

[0039] When the first slide plate 4 moves, it will drive the mounting plate 181 and the roller 182 to move. The roller 182 rolls on the top of the slide rail 3 to reduce the friction between the first slide plate 4 and the slide rail 3 and avoid wear of the first slide plate 4 and the slide rail 3.

[0040] The above description is only an example of the present invention and is not intended to limit the present invention. Any equivalent substitutions made within the principles of the present invention should be included in the protection scope of the present invention. The contents not elaborated in detail in the present invention belong to the existing technologies known to those skilled in the art.

Claims

1. A surface processing device for a special-shaped rare earth permanent magnetic material, comprising a bottom plate (1) and a bracket (2), wherein the top of the bottom plate (1) is connected to two brackets (2), and wherein: The bracket (2) further comprises a slide rail (3), a first slide plate (4), a screw motor (5), a drive motor (6), a grinding roller (7), a second slide plate (8), a first electric shaft (9), a first grinding wheel (10), a first bidirectional screw rod (11), a second electric shaft (12), a second grinding wheel (13), a second bidirectional screw rod (14), a material discharge mechanism and a fixing mechanism. The top of the bracket (2) is connected to the slide rail (3), the slide rail (3) is slidably connected to the first slide plate (4), the slide rail (3) is mounted with a screw motor (5), the screw rod of the screw motor (5) and the first slide plate (4) are connected by threads, the first slide plate (4) is mounted with a drive motor (6), the output shafts of the two drive motors (6) are connected to the grinding roller (7), and the first slide plate (4) is slidably connected to the first slide plate (4). A second slide plate (8) is connected, a first electric shaft (9) is commonly installed on the two first slide plates (4), a first grinding wheel (10) is slidably connected to the first electric shaft (9), a first bidirectional screw rod (11) is rotatably connected to the first electric shaft (9), the first bidirectional screw rod (11) and the first grinding wheel (10) are connected via threads, a second electric shaft (12) is commonly installed on the two second slide plates (8), a second grinding wheel (13) is slidably connected to the second electric shaft (12), a second bidirectional screw rod (14) is rotatably connected to the second electric shaft (12), the second bidirectional screw rod (14) and the second grinding wheel (13) are connected via threads, a material discharge mechanism is used to place special-shaped rare earth permanent magnet material, and a fixing mechanism is used to fix the second slide plate (8) on the first slide plate (4).

2. The surface processing device for a special-shaped rare earth permanent magnetic material according to claim 1, characterized in that: The material discharging mechanism comprises a support plate (151), a lifting plate (152), an arc-shaped guide rail (153), a rotating frame (154), a rotating plate (155), a servo motor (156), a material discharging module (157), a contact plate (159) and a rotating assembly. The front and rear sides of the top of the bottom plate (1) are connected to the support plate (151). The top of the support plate (151) is slidably connected to the lifting plate (152). The lifting plate (152) and the support plate (151) are both installed with an arc-shaped guide rail (153). The arc-shaped guide rail (153) on the lifting plate (152) and the arc-shaped guide rail (153) on the support plate (151) are combined into a complete annular guide rail. The rotating frame (154) is slidably connected to the two front and rear opposite arc-shaped guide rails (153). The rotating frame (154) is rotatably connected to the rotating plate. (155), a servo motor (156) is installed on the rotating frame (154), the output shaft of the servo motor (156) is connected to the rotating plate (155) to drive the rotating plate (155) to rotate, the rotating plate (155) is connected to a detachable discharge module (157), the discharge module (157) is provided with a discharge groove (158) for placing the special-shaped rare earth permanent magnetic material, and the rotating frame (154) is connected to a contact plate (159), the first slide plate (4) will contact the contact plate (159) during the process of moving to the left, and push the contact plate (159) to move upward, the contact plate (159) drives the rotating plate (155) to move upward, and lifts the rotating plate (155), and the rotating assembly is used to control the rotation of the rotating plate (155) to turn over the special-shaped rare earth permanent magnetic material.

3. The surface processing device for a special-shaped rare earth permanent magnetic material as claimed in claim 2, characterized in that: The rotating assembly comprises an arc-shaped rack (1510), a stepping motor (1511) and a gear (1512); the arc-shaped rack (1510) is connected to both the front and rear sides of the rotating frame (154); the arc-shaped racks (1510) on the two rotating frames (154) are combined into a complete inner gear ring; the stepping motor (1511) is installed on each support plate (151); the output shaft of the stepping motor (1511) is connected to a gear (1512); and the inner gear ring formed by the gear (1512) and the arc-shaped rack (1510) is meshed.

4. The surface processing device for a special-shaped rare earth permanent magnetic material as claimed in claim 3, characterized in that: The fixing mechanism comprises a magnet (161), an electric push rod (162) and a card plate (163); the second slide plate (8) is connected to the magnet (161), the magnet (161) can be adsorbed on the slide rail (3); the top of the first slide plate (4) is installed with an electric push rod (162); the telescopic rod of the electric push rod (162) is connected to the card plate (163); the card plate (163) slides through the first slide plate (4); the second slide plate (8) is provided with a card slot (164), the card plate (163) can be inserted into the card slot (164) to fix the second slide plate (8) on the first slide plate (4).

5. The surface processing device for a special-shaped rare earth permanent magnetic material as claimed in claim 4, characterized in that: The invention also comprises a vacuum cleaner (171), a hose (172), a cover (173), a hard tube (174) and a suction nozzle (175). The vacuum cleaner (171) is installed on both the front and rear sides of the top of the bottom plate (1). The vacuum cleaner (171) is connected to the hose (172). The first slide plate (4) is connected to the cover (173). The cover (173) is located above the grinding roller (7), the first grinding wheel (10) and the second grinding wheel (13). The top of the cover (173) is connected to the hard tube (174). The hard tube (174) is connected to the hose (172). The bottom of the hard tube (174) is connected to the suction nozzle (175). The suction nozzle (175) passes through the top of the cover (173).

6. The surface processing device for a special-shaped rare earth permanent magnetic material as claimed in claim 5, characterized in that: It also includes a mounting plate (181) and a roller (182), wherein the first slide plate (4) is connected to the mounting plate (181), the bottom of the mounting plate (181) is rotatably connected to the roller (182), and the roller (182) is in contact with the top of the slide rail (3).

7. The surface processing device for a special-shaped rare earth permanent magnetic material as claimed in claim 6, characterized in that: The left and right sides of the contact plate (159) are both inclined.

8. The surface processing device for a special-shaped rare earth permanent magnetic material as claimed in claim 7, characterized in that: The side of the first slide plate (4) facing the contact plate (159) is an inclined surface.

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