CN117325010B - Magnetic grinding device with self-adaptation function - Google Patents

Abstract

The invention discloses a magnetic grinding device with a self-adaptive function, which comprises a control box and a magnet, wherein a rotary lifting assembly is arranged in the control box, a workpiece is placed on the rotary lifting assembly, one side of the workpiece is provided with an auxiliary pressing mechanism so as to prevent the workpiece from being displaced in the grinding process, a grinding adjusting mechanism is arranged beside the workpiece, the magnet is arranged on the grinding adjusting mechanism, the grinding adjusting mechanism is connected to the other side of the rotary lifting assembly, and the rotary lifting assembly drives the workpiece to rotate and simultaneously controls the grinding adjusting mechanism to drive the magnet to lift so as to achieve the aim of automatic grinding. The invention can adapt to different shapes of the workpiece, effectively grind the protruding or recessed position of the workpiece while avoiding collision, and simultaneously, the magnet is lifted and matched with the workpiece in a rotating way, so that the magnet can automatically adjust the position height to finish the whole polishing and grinding of the workpiece, and the position with poor surface roughness of the workpiece can be repeatedly ground for a long time by controlling the control group.

Description

A magnetic grinding device with adaptive function

Technical field

The present invention relates to the field of magnetic grinding, specifically a magnetic grinding device with an adaptive function.

Background technique

With the development of my country's industrial economy and the advancement of science and technology, industries such as aerospace, shipbuilding, automobiles, and automated machine tools have developed rapidly, and the requirements for the surface quality of mechanical parts have become increasingly higher. Finishing processing can reduce and refine the surface roughness of parts, remove scratches, microscopic cracks and other surface defects, improve and improve the surface quality of parts, improve the surface mechanical properties of parts, and improve stress distribution; remove edge burrs to ensure Smooth transition between surfaces improves the assembly process of parts; improves the surface gloss and brightness of parts, etc. Traditional grinding processing methods have many disadvantages. However, the magnetic grinding method, which has developed rapidly in recent years, applies magnetic fields to grinding technology. It has the advantages of good self-sharpening performance, strong grinding ability, high processing efficiency, and small grinding temperature rise.

Most of the existing magnetic grinding devices can only polish highly symmetrical rotating bodies. However, some parts have special shapes and have convex or concave parts. The existing grinding device cannot adjust itself according to the shape of the part, so the convex or concave parts It is difficult to grind, which brings inconvenience to grinding; and the existing grinding device, whether it is a rotating workpiece or a rotating magnet, cannot achieve automatic comprehensive polishing. Whenever one position is polished, manual adjustment is required to grind different positions of the same workpiece. Each adjustment takes a lot of time, resulting in reduced grinding efficiency.

Contents of the invention

The object of the present invention is to provide a magnetic grinding device with an adaptive function to solve the problems raised in the above background art.

In order to achieve the above object, the present invention provides the following technical solution: a magnetic grinding device with an adaptive function, including a control box and a magnet. The control box is provided with a rotating lifting assembly, and a workpiece is placed on the rotating lifting assembly. The workpiece is There is an auxiliary pressing mechanism on the side to prevent the workpiece from being displaced during the grinding process. There is also a grinding adjustment mechanism next to the workpiece. A magnet is installed on the grinding adjustment mechanism. The grinding adjustment mechanism is connected to the other side of the rotating lifting assembly. The rotating lifting assembly While driving the workpiece to rotate, the grinding adjustment mechanism is controlled to drive the magnet up and down to achieve the purpose of automatic grinding.

Preferably, the rotating lifting assembly includes a rotating part, a control group, and a lifting part. The rotating part is driven by a motor, and the control group controls whether the lifting part is connected to the rotating part.

Preferably, the rotating part includes a turntable and a turntable gear. The turntable is partially exposed and rotatably connected to the control box. The turntable gear is fixedly connected under the turntable. The turntable gear meshes with the drive gear. The drive gear is fixedly connected to the output end of the motor. The motor passes through the support. The base is fixed in the control box.

Preferably, the control group includes two sprockets, the two sprockets rotate synchronously through the chain, one of the sprockets is fixedly connected to one end of the inner shaft, the lower part of the inner shaft is provided with a spline and is slidingly connected to the outer shaft, and the upper part is an optical axis. It is rotatably connected to the outer shaft. The outer shaft is fixedly connected to the turntable gear. The other sprocket is connected to the worm through a spline shaft. The two sprockets are rotatably connected to the adjusting support plate. The adjusting support plate is controlled to move up and down through a push rod. The push rod is fixed in the control box.

Preferably, the lifting part includes a worm, a worm gear, a lifting gear, and a lifting rack. The worm meshes with the worm gear. The worm gear is fixedly connected to the lifting gear through a shaft. The lifting gear meshes with the lifting rack. One end of the lifting rack passes through and slides. Connect to the control box, and the worm, worm gear, and lifting gear are all connected to the control box through bracket rotation.

Preferably, the grinding adjustment mechanism includes a horizontal adjustment part, an adaptive part, and a magnet adjustment part. The horizontal adjustment part is slidingly connected to the upper end of the lifting rack, and an adaptive part is provided on the horizontal adjustment part to adapt to irregular shapes. On the workpiece, a magnet adjustment part is installed on the adaptive part to adjust the angle of the magnet or replace a different magnet.

Preferably, the horizontal adjustment part includes a horizontal adjustment seat, a horizontal adjustment groove, and a horizontal positioning block. The horizontal adjustment seat is slidingly connected to the upper end of the lifting rack. A plurality of horizontal adjustment grooves are provided under the horizontal adjustment seat. In the horizontal adjustment groove, Insert one end of the horizontal positioning block, and the other end of the horizontal positioning block slides in the lifting rack. A chute is provided in the horizontal positioning block. The chute is slidably connected to the bevel end of the pressing block. The other end of the pressing block extends out of the lifting rack. The lower end of the horizontal positioning block is also fixedly connected to one end of the positioning spring, and the other end of the positioning spring is fixed in the lifting rack.

Preferably, the adaptive part includes a sliding seat, a return spring, and an adjusting wheel. The sliding seat slides on the horizontal adjusting seat. The front end of the sliding seat is slidingly connected to the adjusting wheel frame. The adjusting wheel frame can be stored in the sliding seat. The adjusting wheel The frame is in a convex shape, and its middle part is connected to the adjusting wheel by rotation. The two ends of the adjusting wheel frame are respectively hinged with an extending rod. The extending rod can be rotated and retracted into the side of the adjusting wheel frame. There are storage grooves on both sides of the sliding seat, and the adjusting wheel is The two ends of the frame slide therein, and a return spring is provided between the horizontal adjustment seat and the sliding seat. One end of the return spring is fixed on the horizontal adjustment seat, and the other end is fixedly connected to the sliding seat.

Preferably, the magnet adjustment part includes a rotating platform and a clamping plate. The rotating platform is rotatably connected to the sliding seat. A plurality of grooves are provided under the rotating platform, and positioning balls are engaged in the grooves. The positioning balls are slidably arranged on In the sliding seat and pushed by the spring, two clamping plates are slidably arranged on the rotating table. The lower end of the clamping plate enters the sliding seat and is threadedly connected with the clamping screw, so that the two clamping plates are close to or away from each other, and one end of the clamping screw is Extend the turntable to facilitate turning operations.

Preferably, the auxiliary compression mechanism includes a compression support, a rotating block, and a compression block. One end of the compression support is fixed on the control box, and the other end is located above the turntable. The compression support is slidingly connected to the compression screw. , limit rod, compression screw, and the lower end of the limit rod is fixed on the compression block. The compression block rotates and is connected to the rotating block. The rotating block contacts and connects the workpiece. The compression screw is threaded to connect the compression nut, and the compression nut rotates. Connected to the compression support.

Compared with the existing technology, the beneficial effects of the present invention are: the present invention can adapt to different shapes of the workpiece, effectively grind the convex or recessed positions of the workpiece while avoiding collisions, and at the same time, the magnet can be lifted and lowered in conjunction with the rotation of the workpiece, so that the magnet can The position height can be adjusted by oneself to complete the polishing and grinding of the entire workpiece. At the same time, through the control of the control group, the position with poor surface roughness of the workpiece can also be repeatedly ground for a long time to ensure a good polishing effect.

Description of drawings

Figure 1 is a schematic diagram of the main structure of the present invention;

Figure 2 is a schematic structural diagram of the rotating lifting assembly of the present invention;

Figure 3 is a schematic structural diagram of the horizontal adjustment part of the present invention;

Figure 4 is a schematic structural diagram of the grinding adjustment mechanism of the present invention;

Figure 5 is a schematic structural diagram of the adjusting wheel frame of the present invention;

Figure 6 is a schematic structural diagram of the compression block of the present invention.

In the picture: 1. Control box, 2. Rotating lifting component, 201. Turntable, 202. Turntable gear, 203. Driving gear, 204. External shaft, 205. Inner shaft, 206. Sprocket, 207. Adjustment support plate, 208 , worm, 209, worm gear, 210, lifting gear, 211, lifting rack, 3. workpiece, 4. auxiliary pressing mechanism, 401. pressing support, 402. rotating block, 403. pressing block, 404. pressing Tightening screw, 405, limit rod, 406, compression nut, 5. Grinding adjustment mechanism, 501, horizontal adjustment seat, 502, sliding seat, 503, return spring, 504, adjusting wheel frame, 505, adjusting wheel, 506. Extension rod, 507, storage slot, 508, rotating table, 509, positioning ball, 510, clamping plate, 511, clamping screw, 512, horizontal adjustment slot, 513, horizontal positioning block, 514, positioning spring, 515. Press block, 6. Magnet.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the scope of protection of the present invention.

Please refer to Figure 1-6. In order to solve the problem that the existing magnetic grinding cannot adjust itself according to the shape of the part, so the convex or concave parts are difficult to grind; and it cannot achieve automatic full polishing, it can adapt to different shapes of the workpiece and avoid collisions. At the same time, the convex or concave position of the workpiece is effectively ground, and the lifting and lowering of the magnet is coordinated with the rotation of the workpiece, so that the magnet can adjust its position and height by itself to complete the polishing and grinding of the entire workpiece. At the same time, the surface of the workpiece can also be polished through the control of the control group. Positions with poor roughness are repeatedly ground for a long time to ensure a good polishing effect. The invention provides a technical solution: a magnetic grinding device with an adaptive function, including a control box 1 and a magnet 6. The control box 1 is provided with a rotating lifting assembly 2, and a workpiece 3 is placed on the rotating lifting assembly 2. The workpiece 3 An auxiliary pressing mechanism 4 is provided on one side to prevent the workpiece 3 from being displaced during the grinding process. A grinding adjustment mechanism 5 is also provided next to the workpiece 3. A magnet 6 is installed on the grinding adjustment mechanism 5. The grinding adjustment mechanism 5 is connected to the rotating lifting mechanism. On the other side of the assembly 2, the rotating lifting assembly 2 drives the workpiece 3 to rotate and at the same time controls the grinding adjustment mechanism 5 to drive the magnet 6 to rise and fall, so as to achieve the purpose of automatic grinding. In this application, the electrical components such as the motor cylinder push rod are all made of existing models, and the magnetic grinding media is made of existing magnetic grinding media, such as a mixture of iron powder and diamond powder prepared in a certain proportion. When in use, place the workpiece 3 on the rotating lifting assembly 2, and use the auxiliary pressing mechanism 4 to fix the workpiece 3. At this time, select a suitable magnet 6 and install it on the grinding adjustment mechanism 5, and adjust the grinding adjustment mechanism 5 so that the magnet 6 is At a suitable position, add magnetic grinding media to the workpiece 3, and then start the rotating lifting assembly 2. The rotating lifting assembly 2 drives the workpiece 3 to rotate for grinding.

Please refer to Figure 2. In order to realize that the magnet 6 can rise or fall with the rotation of the workpiece to achieve both comprehensive grinding and local grinding, the rotating lifting assembly 2 includes a rotating part, a control group, and a lifting part. The rotating part is driven by a motor. The control group controls whether the lifting part is connected to the rotating part. When the control group controls the lifting part to be connected to the rotating part, the lifting part drives the magnet 6 to move along with the rotation of the workpiece 3. When the control group controls the lifting part not to be connected to the rotating part, the lifting part does not drive the magnet 6 along with the rotation of the workpiece 3. Move, and the workpiece 3 can be partially polished at this time.

Please refer to Figure 2. In order to drive the workpiece 3 to rotate, a rotating part is provided. The rotating part includes a turntable 201 and a turntable gear 202. The turntable 201 is partially exposed and rotatably connected to the control box 1. The turntable gear 202 is fixedly connected to the bottom of the turntable 201. The turntable gear 202 is connected to the control box 1. The driving gear 203 is meshed, and the driving gear 203 is fixedly connected to the output end of the motor, and the motor is fixed in the control box 1 through the support. During use, the motor is started, and the motor drives the driving gear 203 to rotate, the driving gear 203 drives the turntable gear 202 to rotate, the turntable gear 202 drives the turntable 201 to rotate, and the turntable 201 drives the workpiece 3 to rotate, thereby performing grinding and polishing.

Please refer to Figure 2. In order to control whether the lifting part is connected to the rotating part, a control group is provided. The control group includes two sprockets 206. The two sprockets 206 rotate synchronously through the chain. One of the sprockets 206 is fixedly connected to the inner shaft 205. At one end, the lower part of the inner shaft 205 is provided with a spline that is slidingly connected to the outer shaft 204, and the upper part is a light shaft that is rotationally connected to the outer shaft 204. The outer shaft 204 is fixedly connected to the turntable gear 202, and the other sprocket 206 is connected to the worm through the spline shaft. 208. It is passively adjusted by means of a spline shaft. The two sprockets 206 are rotationally connected to the adjusting support plate 207. The adjusting support plate 207 is controlled to move up and down through a push rod, which is fixed in the control box 1. When the push rod rises and the push rod drives the adjusting support plate 207 to move to a higher position, the splines at the lower part of the inner shaft 205 cooperate with the outer shaft 204, the outer shaft 204 drives the inner shaft 205 to rotate, and the inner shaft 205 drives the sprocket 206 rotation, the two sprockets 206 rotate synchronously through the chain; when the push rod descends and the push rod drives the adjustment support plate 207 to move to a lower position, the upper optical axis of the inner shaft 205 is rotationally connected to the outer shaft 204. At this time, the inner The shaft 205 does not rotate following the outer shaft 204, and the sprocket 206 does not rotate.

Please refer to Figure 2. In order to realize that the magnet 6 rises and falls with the rotation of the workpiece 3, a lifting part is provided. The lifting part includes a worm 208, a worm wheel 209, a lifting gear 210, and a lifting rack 211. The worm 208 meshes with the worm wheel 209, and the worm wheel 209 passes through The shaft is fixedly connected to the lifting gear 210. The lifting gear 210 meshes with the lifting rack 211. One end of the lifting rack 211 passes through and is slidingly connected to the control box 1. The worm 208, the worm gear 209 and the lifting gear 210 are all connected in the control box 1 through a bracket. . When the sprocket 206 rotates, the sprocket 206 drives the worm 208 to rotate, the rotation of the worm 208 drives the worm gear 209 to rotate, the rotation of the worm gear 209 drives the lifting gear 210 to rotate, the rotation of the lifting gear 210 drives the lifting rack 211 to rise or fall, thereby realizing the magnet 6 As the workpiece 3 rotates and rises, there is no need to manually adjust the height of the magnet 6. At the same time, continuous grinding ensures to a certain extent that the magnetic grinding medium always follows the movement of the magnet 6, preventing the magnetic grinding medium from being detached due to changes in the magnetic field due to mid-way adjustments. Grinding position issue. When adjustment is needed, when the motor rotates forward, the motor drives the driving gear 203 to rotate, causing the lifting rack 211 to rise. When the motor rotates reversely, the lifting rack 211 descends. By controlling the forward and reverse rotation of the motor, the lifting rack 211 rises or decline.

Please refer to Figure 3-5. In order to facilitate the adjustment of the position of the magnet 6, a grinding adjustment mechanism 5 is provided. The grinding adjustment mechanism 5 includes a horizontal adjustment part, an adaptive part, and a magnet adjustment part. The horizontal adjustment part is slidingly connected to the lifting rack. The upper end of 211 is used to adjust the horizontal distance between the magnet 6 and the workpiece 3. The horizontal adjustment part is provided with an adaptive part to adapt to the irregularly shaped workpiece 3. The adaptive part is equipped with a magnet adjustment part to adjust the angle of the magnet 6 or Replace different magnets 6 and fine-tune the position of magnet 6 at the same time.

Please refer to Figure 3. In order to facilitate horizontal adjustment, a horizontal adjustment part is provided. The horizontal adjustment part includes a horizontal adjustment seat 501, a horizontal adjustment groove 512, and a horizontal positioning block 513. The horizontal adjustment seat 501 is slidingly connected to the upper end of the lifting rack 211. A plurality of horizontal adjustment grooves 512 are provided under the adjustment seat 501. One end of the horizontal positioning block 513 is inserted into the horizontal adjustment groove 512. The other end of the horizontal positioning block 513 slides in the lifting rack 211. A chute is provided in the horizontal positioning block 513. , the bevel end of the pressing block 515 is slidably connected in the chute, the other end of the pressing block 515 extends out of the lifting rack 211, the lower end of the horizontal positioning block 513 is also fixedly connected to one end of the positioning spring 514, and the other end of the positioning spring 514 is fixed on the lifting rack 211 in. During adjustment, press the pressing block 515, and the pressing block 515 moves to drive the horizontal positioning block 513 to move downward, compress the positioning spring 514, and disengage from the horizontal adjustment groove 512. At this time, the horizontal adjustment base 501 can slide horizontally to adjust the position. When it is adjusted to the appropriate position, Release the pressing block 515, and the horizontal positioning block 513 is inserted into the horizontal adjustment groove 512 under the action of the positioning spring 514 to position the horizontal adjustment seat 501.

Please refer to Figure 3-4. In order to polish the irregular workpiece 3, an adaptive part is provided. The adaptive part includes a sliding seat 502, a return spring 503, and an adjusting wheel 505. The sliding seat 502 slides on the horizontal adjusting seat 501. The front end of the sliding seat 502 is slidingly connected to the adjusting wheel frame 504. The adjusting wheel frame 504 can be stored in the sliding seat 502. The adjusting wheel frame 504 is in a convex shape, and the middle part thereof is rotatably connected to the adjusting wheel 505. The two ends of the adjusting wheel frame 504 are respectively hinged. The extending rod 506 can be rotated and retracted into the side of the adjusting wheel frame 504. There are storage grooves 507 on both sides of the sliding seat 502, in which the two ends of the adjusting wheel frame 504 slide. The horizontal adjusting seat 501 and the sliding seat 502 A return spring 503 is provided between them. One end of the return spring 503 is fixed on the horizontal adjustment seat 501, and the other end is fixedly connected to the sliding seat 502. When in use, decide whether to use the adaptive part according to the condition of the workpiece 3. When not in use, put the adjusting wheel frame 504 into the sliding seat 502 so as not to affect the progress of polishing; when it needs to be used, slide the adjusting wheel frame 504 out. , and then rotate the extending rod 506 open so that its end is against the storage groove 507, so that the adjusting wheel 505 contacts the workpiece and rolls on it. In order to avoid damaging the workpiece, the adjusting wheel 505 can be made of rubber or other materials to avoid scratching the workpiece. Material, when the adjusting wheel 505 encounters a bulge, the adjusting wheel 505 retracts due to force. The adjusting wheel 505 pushes the sliding seat 502, and the sliding seat 502 compresses the return spring 503, driving the magnet 6 to retract, thereby avoiding collision and driving magnetic grinding. The medium is used for grinding. When the workpiece is dented, the return spring 503 pushes the sliding seat 502 to extend, thereby driving the magnet 6 to extend. Through this adjustment method, the convex or concave parts of the workpiece can be adjusted without manual adjustment. Polished.

Please refer to Figure 4. In order to facilitate fine adjustment of the position of the magnet 6, a magnet adjustment part is provided. The magnet adjustment part includes a rotating platform 508 and a clamping plate 510. The rotating platform 508 is rotatably connected to the sliding seat 502, and is provided under the rotating platform 508. There are multiple grooves, and the positioning balls 509 are clamped in the grooves. The positioning balls 509 are slidably arranged in the sliding seat 502 and pushed by springs. Two clamping plates 510 are slidably arranged on the rotating table 508, and the lower end of the clamping plates 510 enters the sliding position. The seat 502 is threadedly connected to the clamping screw rod 511 to move the two clamping plates 510 closer or farther apart. One end of the clamping screw rod 511 extends out of the rotating platform 508 for rotation operation. During use, you can select magnets with different magnetic forces as needed. When you need to replace them, rotate the clamping screw 511 to keep the two clamping plates 510 away from each other. Remove the original magnet, replace the required magnet, and adjust the extension length of the magnet. Then the clamping screw 511 is rotated to bring the two clamping plates 510 close to each other to clamp the magnet 6. After the replacement is completed, the rotating table 508 is rotated according to the position of the magnet. The rotating table 508 drives the magnet 6 to rotate, and the rotating table 508 passes on it. The groove cooperates with the positioning ball 509 to achieve positioning and prevents the rotating table 508 from rotating at will.

Please refer to Figures 2 and 6. In order to prevent the workpiece from flying out during processing, an auxiliary pressing mechanism 4 is provided. The auxiliary pressing mechanism 4 includes a pressing support 401, a rotating block 402, and a pressing block 403. The pressing support One end of 401 is fixed on the control box 1, and the other end is located above the turntable 201. The compression support 401 is slidingly connected to the compression screw 404 and the limit rod 405. The lower ends of the compression screw 404 and the limit rod 405 are fixed on the compression block 403. , the pressing block 403 is rotationally connected to the rotating block 402, the rotating block 402 is in contact with the workpiece 3, the compression screw 404 is threadedly connected to the compression nut 406, and the compression nut 406 is rotationally connected to the compression support 401. Before placing the workpiece 3, the rotating block 402 is in a raised state to avoid affecting the placement of the workpiece. After placing the workpiece 3, rotate the compression nut 406. The rotation of the compression nut 406 drives the compression screw 404 to move downward, and the compression screw 404 drives the pressing force. The tightening block 403 moves downward, and the tightening block 403 drives the limit rod 405 and the rotating block 402 to move downward. The rotating block 402 presses the workpiece 3. When the workpiece 3 rotates, the rotating block 402 rotates accordingly. In order to avoid compressing the screw 404 With the rotation, a limit rod 405 is set. The limit rod 405 ensures that the pressing block 403 does not rotate with the rotating block 402, thereby avoiding the loosening of the workpiece 3 caused by the rotation of the pressing screw 404. According to needs, the rotating block 402 can be made of rubber, etc. Flexible material to avoid damage to the workpiece.

Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art will understand that various changes, modifications, and substitutions can be made to these embodiments without departing from the principles and spirit of the invention. and modifications, the scope of the invention is defined by the appended claims and their equivalents.

Claims (2)

1. A magnetic grinding device with adaptive function, including a control box (1) and a magnet (6), characterized in that: the control box (1) is provided with a rotating lifting assembly (2), and the rotating lifting assembly (2) The workpiece (3) is placed on the 2), and an auxiliary pressing mechanism (4) is provided on one side of the workpiece (3) to prevent the workpiece (3) from being displaced during the grinding process. A grinding adjustment mechanism is also provided next to the workpiece (3). (5). A magnet (6) is installed on the grinding adjustment mechanism (5). The grinding adjustment mechanism (5) is connected to the other side of the rotating lifting assembly (2). The rotating lifting assembly (2) drives the workpiece (3) to rotate at the same time. Control the grinding adjustment mechanism (5) to drive the magnet (6) to rise and fall; The rotating lifting component (2) includes a rotating part, a control group, and a lifting part. The rotating part is driven by a motor, and the control group controls whether the lifting part is connected to the rotating part; The rotating part includes a turntable (201) and a turntable gear (202). The turntable (201) is partially exposed and rotationally connected to the control box (1). The turntable gear (202) is fixedly connected to the lower part of the turntable (201). The turntable gear (202) ) meshes with the driving gear (203), the driving gear (203) is fixedly connected to the output end of the motor, and the motor is fixed in the control box (1) through the support; The control group includes two sprockets (206). The two sprockets (206) rotate synchronously through a chain. One of the sprockets (206) is fixedly connected to one end of the inner shaft (205). The lower part of the inner shaft (205) is provided with a The spline is slidingly connected to the outer shaft (204), and the upper part is a light shaft that is rotationally connected to the outer shaft (204). The outer shaft (204) is fixedly connected to the turntable gear (202), and the other sprocket (206) passes through the splined shaft. Connect the worm (208), and the two sprockets (206) are rotationally connected to the adjusting support plate (207). The adjusting support plate (207) is controlled to move up and down through a push rod, which is fixed in the control box (1); The lifting part includes a worm (208), a worm gear (209), a lifting gear (210), and a lifting rack (211). The worm (208) meshes with the worm gear (209), and the worm gear (209) is fixedly connected to the lifting shaft through a shaft. The gear (210), the lifting gear (210) meshes with the lifting rack (211), one end of the lifting rack (211) passes through and is slidingly connected to the control box (1), the worm (208), the worm gear (209), the lifting rack (211) The gears (210) are all rotationally connected in the control box (1) through brackets; The grinding adjustment mechanism (5) includes a horizontal adjustment part, an adaptive part, and a magnet adjustment part. The horizontal adjustment part is slidingly connected to the upper end of the lifting rack (211). An adaptive part is provided on the horizontal adjustment part to adapt to the shape. For irregular workpieces (3), a magnet adjustment part is installed on the adaptive part to adjust the angle of the magnet (6) or replace a different magnet (6); The horizontal adjustment part includes a horizontal adjustment seat (501), a horizontal adjustment groove (512), and a horizontal positioning block (513). The horizontal adjustment seat (501) is slidingly connected to the upper end of the lifting rack (211). A plurality of horizontal adjustment slots (512) are provided under the 501). One end of the horizontal positioning block (513) is inserted into the horizontal adjustment slot (512), and the other end of the horizontal positioning block (513) slides in the lifting rack (211). A chute is provided in the horizontal positioning block (513). The inclined end of the pressing block (515) is slidably connected to the chute. The other end of the pressing block (515) protrudes from the lifting rack (211). The horizontal positioning block (513) The lower end is also fixedly connected to one end of the positioning spring (514), and the other end of the positioning spring (514) is fixed in the lifting rack (211); The adaptive part includes a sliding seat (502), a return spring (503), and an adjusting wheel (505). The sliding seat (502) slides on the horizontal adjusting seat (501), and the front end of the sliding seat (502) is slidingly connected for adjustment. The wheel frame (504) and the adjusting wheel frame (504) can be stored in the sliding seat (502). The adjusting wheel frame (504) is in a convex shape, and the middle part thereof is rotatably connected to the adjusting wheel (505). The adjusting wheel frame (504) An extension rod (506) is hinged at both ends. The extension rod (506) can be rotated and retracted into the side of the adjustment wheel frame (504). Storage grooves (507) are respectively provided on both sides of the sliding seat (502). The adjustment wheel frame (507) The two ends of 504) slide therein, and a return spring (503) is provided between the horizontal adjustment seat (501) and the sliding seat (502). One end of the return spring (503) is fixed on the horizontal adjustment seat (501), and the other end of the return spring (503) is fixed on the horizontal adjustment seat (501). One end is fixedly connected to the sliding seat (502); The magnet adjustment part includes a rotating platform (508) and a clamping plate (510). The rotating platform (508) is rotatably connected to the sliding seat (502). A plurality of grooves are provided under the rotating platform (508). The positioning ball (509) is clamped in the groove. The positioning ball (509) is slidably set in the sliding seat (502) and pushed by the spring. Two clamping plates (510) are slidably set on the rotating table (508). The clamping plate (510) The lower end of 510) enters the sliding seat (502) and is threadedly connected with the clamping screw (511), so that the two clamping plates (510) are close to or away from each other. One end of the clamping screw (511) extends out of the rotating table (508) to facilitate Turning operation. 2. A magnetic grinding device with adaptive function according to claim 1, characterized in that: the auxiliary pressing mechanism (4) includes a pressing support (401), a rotating block (402), a pressing Block (403), one end of the compression support (401) is fixed on the control box (1), and the other end is located above the turntable (201). The compression support (401) is slidingly connected to the compression screw (404) and the limiter. The lower ends of the position rod (405), the compression screw (404), and the limit rod (405) are fixed on the compression block (403). The compression block (403) is rotationally connected to the rotating block (402), and the rotating block (402) contacts Connect the workpiece (3), the compression screw (404) is threaded to the compression nut (406), and the compression nut (406) is rotationally connected to the compression support (401).