WO2021004360A1 - Annular ndfeb magnet slicer - Google Patents

Abstract

The present invention relates to a slicer, and in particular to an annular NdFeB magnet slicer. The present invention aims to solve the technical problem of how to provide an annular NdFeB magnet slicer that can complete NdFeB slicing and can adjust the thickness of slices. The annular NdFeB magnet slicer comprises a base, a placement frame, an L-shaped frame, etc., wherein the placement frame internally provided with a groove is mounted on the right side of the top of the base, and the L-shaped frame is mounted on the left side of the placement frame. Based on the present invention, after a cutting device slices annular NdFeB, the annular NdFeB can automatically rise such that the NdFeB can be continuously sliced; annular NdFeB of different sizes can be fixed by means of a fixing and lifting device such that NdFeB of different sizes can be sliced by means of the slicer; and a space at the bottom of the inside of the placement frame is changed such that the thickness of the slices of the annular NdFeB can be adjusted, and the slicer can slice the annular NdFeB more precisely.

Description

Ring-shaped neodymium iron boron magnet slicer Technical field

The invention relates to a slicer, in particular to a ring-shaped neodymium iron boron magnet slicer.

Background technique

NdFeB is simply a magnet. The difference from the magnets we usually see is that it is called "magnet king" because of its excellent magnetic properties. NdFeB contains a large amount of rare earth element neodymium, as well as iron and boron, and its characteristics are hard and brittle.

A slicing machine is needed in the production of NdFeB. At present, when slicing ring-shaped NdFeB, the NdFeB is fixed and then cut with a blade, because the NdFeB needs to be fixed. , So the part where the NdFeB is fixed cannot be cut, otherwise the fixed device will be cut. Therefore, when cutting to the fixed place, you need to remove the NdFeB and use other methods to cut. The way is very inconvenient.

The patent authorization announcement number CN207441460U discloses a neodymium iron boron magnet slicing machine, including: a motor, a rotating shaft, and a limit sleeve; the fixing seat is installed on the upper side of the device body, and the fixing seat and the device body are welded together Connection; the upper part of the fixed seat is installed with a motor, and the fixed seat and the motor are connected by welding; the front inner side of the motor is provided with a rotating shaft, and the motor and the rotating shaft are connected by embedding; the outer middle of the rotating shaft is installed with a limit sleeve, and The rotating shaft and the limit sleeve are connected by a sleeve; the limit sleeve is arranged on the upper part of the support base, and the limit sleeve and the support base are connected by welding. The invention has the advantages of sophisticated structure, strong practicability, and adjustable device through structural improvements, combined with the prior art, which solves the problems and deficiencies in the prior device technology and makes it more practical. . The slicer fixes the NdFeB on the rotating shaft for cutting, so the fixed part of the NdFeB cannot be cut, and the NdFeB cannot be cut completely.

Therefore, invented a ring-shaped NdFeB magnet slicer that can completely slice the NdFeB and the thickness of the slice can be adjusted.

Summary of the invention

In order to overcome the current shortcomings of incomplete ring-shaped NdFeB slices and inconvenient adjustment of the slice thickness by the current slicer, the technical problem of the present invention is to provide a ring-shaped NdFeB slice with adjustable slice thickness. NdFeB magnet slicer.

Technical solution: a ring-shaped neodymium iron boron magnet slicing machine, including a base, a placing frame, an L-shaped frame, a cutting device, a pushing device and a fixed lifting device. The top right side of the base is equipped with a placing frame with a groove inside. An L-shaped frame is installed on the left side of the placement frame. The bottom of the L-shaped frame is fixed to the base by bolts. The L-shaped frame is equipped with a cutting device for slicing the ring-shaped NdFeB. The vertical moving pushing device is equipped with a fixed lifting device for fixing the ring-shaped neodymium iron boron in the groove on the placing frame.

In a preferred embodiment of the present invention, the cutting device includes a reduction motor, a sector gear, a sliding rail, a sliding block, a rack, a first spring, a mounting plate, and a cutter. A reduction motor is installed on the left side of the top of the base. Located in the L-shaped frame, the output shaft of the reduction motor is equipped with a sector gear, the top of the L-shaped frame is equipped with a slide rail, the L-shaped frame below the slide rail is opened with a character hole, and the slide rail is provided with a sliding block. Passing through the slotted hole, the bottom end of the slider is connected with a rack, the rack meshes with the sector gear, a first spring is connected between the right side of the slider and the placement frame, and the first spring is located in the slotted hole. There is a mounting plate, and the cutter is installed on the right part of the mounting plate through bolts.

In a preferred embodiment of the present invention, the pushing device includes a disc, a first guide rail, a first guide block, a second guide rail, a second guide block, a rotating rod, a cylinder, a first piston, a pull rod, and a suction pipe , Air intake pipe, one-way valve, air outlet pipe and plug. The output shaft of the reduction motor is provided with a disc. The disc is located in front of the sector gear. The first guide rail is installed on the left side of the placing frame. The first guide rail is located in the L-shaped frame. A first guide block is slidably provided in the first guide rail, a second guide rail is provided in the front side of the first guide block, a second guide block is slidably provided in the second guide rail, and a rotating rod is provided in the eccentric position on the front side of the disc , The right end of the rotating rod is connected to the second guide block in a rotating manner. A cylinder is installed in the right part of the L-shaped frame. The cylinder is located on the right side of the second guide rail. The cylinder is provided with a sliding first piston, and the middle of the left side of the first piston Connected with a tie rod, the left end of the tie rod passes through the left wall of the cylinder body, the left end of the tie rod is connected with the second guide rail, the bottom right side of the cylinder body is provided with a suction pipe, and the right middle part of the cylinder body is provided with an intake pipe. The air inlet pipe and the air inlet pipe are both provided with a one-way valve, the air outlet pipe is arranged on the placing frame, and the air outlet pipe communicates with the groove in the placing frame, and the air outlet pipe plug has a plug that can be pulled out.

In a preferred embodiment of the present invention, the fixed lifting device includes a second piston, a second spring, a vertical rod, a hollow threaded rod, a connecting rod, a fixing block, a first nut and a concave plate, and a groove on the placement frame The inner sliding type is provided with a second piston. A second spring is connected between the bottom of the second piston and the inner bottom of the placing frame. A vertical rod is provided in the groove on the placing frame. The vertical rod passes through the second piston. The second piston is sealed and slidingly connected. The upper right side of the vertical rod is provided with a hollow threaded rod. The hollow threaded rod has a first opening. The hollow threaded rod is slidably provided with a connecting rod. The connecting rod passes through the first opening and is connected The right end of the rod is connected with a fixed block, and the hollow threaded rod is fitted with two first nuts. The first nuts are located on the left and right sides of the connecting rod. A concave plate is installed on the top of the second piston, and the vertical rod passes through the concave plate.

In a preferred embodiment of the present invention, it also includes a vertical plate, a backing plate, a solid threaded rod, a push rod, a second nut, a third spring, and a third piston. The right side of the frame is equipped with a backing plate. The middle of the backing plate is rotated through the bearing seat with a solid threaded rod. There are push rods on the upper and lower sides of the right side of the vertical plate. The right side of the push rod passes through the right side of the frame and the cushion Plate, the solid threaded rod is fitted with a second nut, the right part of the push rod is connected with the second nut, the right part of the second piston is provided with a first groove, and the second piston in the first groove is connected with a third spring , The third piston is connected to the right end of the third spring.

In a preferred embodiment of the present invention, a fourth spring is further included. The upper and lower sides of the back of the plug are provided with second grooves. The plug in the second groove and the outlet pipe are connected with a fourth spring. For the spring, a through hole is opened at the back of the plug, and the through hole communicates with the second groove.

In a preferred embodiment of the present invention, it further includes an inclined plate and a collection box. A collection box is provided on the top of the mounting plate, a second opening is opened on the right side of the collection box, and the collection box at the bottom of the second opening is connected with an inclined plate. The right end of the inclined plate contacts the cutter.

In a preferred embodiment of the present invention, a guide sleeve is further included. A guide sleeve is provided on the left side of the L-shaped frame, and the rack is located in the guide sleeve.

Compared with the prior art, the present invention has the following advantages: after the cutting device slices the ring-shaped NdFeB, the ring-shaped NdFeB can automatically rise, so that the NdFeB can be continuously sliced and fixed. The lifting device can fix ring-shaped NdFeB of different sizes, so that the equipment can slice NdFeB of different sizes. By changing the space at the bottom of the placement frame, the slice thickness of the ring-shaped NdFeB can be adjusted to make the equipment more Precisely slice the ring-shaped NdFeB.

Description of the drawings

Figure 1 is a schematic diagram of the front view of the present invention.

Figure 2 is a schematic view of the front structure of the fixed lifting device of the present invention.

Fig. 3 is a schematic diagram of part of the right side view of the present invention.

Fig. 4 is a schematic diagram of part of the front view of the present invention.

Among them, the above drawings include the following reference signs: 1, base, 2, placement frame, 3, L-shaped frame, 4, reduction motor, 5, sector gear, 6, slide rail, 7, slider, 8, rack , 9, slotted hole, 10, first spring, 11, mounting plate, 12, cutter, 13, disc, 14, first rail, 15, first guide block, 16, second rail, 17, first Two guide blocks, 18, rotating rod, 19, cylinder block, 20, first piston, 21, tie rod, 22, suction pipe, 23, intake pipe, 24, one-way valve, 25, fixed lifting device, 251, section Two pistons, 252, second spring, 253, vertical rod, 254, hollow threaded rod, 255, first opening, 256, connecting rod, 257, fixed block, 258, first nut, 259, concave plate, 26, Outlet pipe, 27, stopper, 28, riser, 29, backing plate, 30, solid threaded rod, 31, push rod, 32, second nut, 33, first groove, 34, third spring, 35, first Three pistons, 36, second groove, 37, fourth spring, 38, through hole, 39, inclined plate, 40, collecting box, 41, second opening, 42, guide sleeve.

Detailed ways

Although the present invention may be described in terms of specific applications or industries, those skilled in the art will recognize the broader applicability of the present invention. Those of ordinary skill in the art will recognize that terms such as: above, below, up, down, etc., are used to describe the drawings, rather than express limitations on the scope of the present invention defined by the appended claims . Any numerical designations such as first or second are only illustrative, and are not intended to limit the scope of the present invention in any way.

Example 1

A ring-shaped neodymium iron boron magnet slicing machine, refer to Figure 1 and Figure 2, including a base 1, a placing frame 2, an L-shaped frame 3, a cutting device, a pushing device and a fixed lifting device 25. The top right side of the base 1 passes through bolts A placing frame 2 with a groove inside is fixedly connected. An L-shaped frame 3 is installed on the left side of the placing frame 2. The bottom of the L-shaped frame 3 is fixed to the base 1 by bolts, and a pair of ring-shaped neodymium iron boron is installed on the L-shaped frame 3 A cutting device for transverse slicing. The L-shaped frame 3 is equipped with a pushing device that pushes the ring-shaped neodymium iron boron to move vertically, and the groove on the placing frame 2 is installed with a fixed lifting device 25 for fixing the ring-shaped neodymium iron boron. .

When cutting the ring-shaped NdFeB, first place the ring-shaped NdFeB to be cut on the fixed lifting device 25, and then fix the ring-shaped NdFeB. After the ring-shaped NdFeB is fixed, start the cutting device. The cutting device moves to the right to cut the ring-shaped NdFeB, and the cutting device automatically resets the ring-shaped NdFeB after the first slicing. At this time, the pushing device drives the ring-shaped NdFeB on the fixed lifting device 25 to move upward for a period. Then, the cutting device slices the ring-shaped NdFeB again, and repeats this until the ring-shaped NdFeB on the fixed lifting device 25 is completely cut, and then controls the cutting device to stop working, and then repeat the above steps, The ring-shaped NdFeB is sliced.

Referring to Figure 1, the cutting device includes a geared motor 4, a sector gear 5, a sliding rail 6, a slider 7, a rack 8, a first spring 10, a mounting plate 11 and a cutter 12. A geared motor is installed on the left side of the base 1 4. The geared motor 4 is located in the L-shaped frame 3. The output shaft of the geared motor 4 is provided with a sector gear 5. The top of the L-shaped frame 3 is fixed with a slide rail 6 through bolts, and the L-shaped frame 3 below the slide rail 6 is opened A horizontal slot 9 is provided in the slide rail 6, and a sliding block 7 is slidably arranged in the sliding rail 6. The sliding block 7 passes through the slot 9, and the bottom end of the sliding block 7 is connected with a rack 8 through bolts. The rack 8 meshes with the sector gear 5 The first spring 10 is connected between the right side of the slider 7 and the placement frame 2. The first spring 10 is located in the in-line hole 9. The top of the slider 7 is provided with a mounting plate 11, and the right part of the mounting plate 11 is installed with a cut-out through bolts. Knife 12.

When cutting the ring-shaped neodymium iron boron, start the decelerating motor 4 first. The decelerating motor 4 drives the sector gear 5 to rotate clockwise through the output shaft. The rack 8 driven by the sector gear 5 moves to the right, and the rack 8 drives the slider 7 Move to the right on the slide rail 6, the first spring 10 is compressed, the slide rail 6 moves to the right to drive the mounting plate 11 to move to the right, and the mounting plate 11 drives the cutter 12 to move to the right to cut the ring-shaped neodymium iron boron. After the knife 12 completes the slicing action, the sector gear 5 disengages from the rack 8. Under the action of the reset of the first spring 10, the slider 7 is pushed to move to the left on the slide rail 6 to reset, and the slider 7 drives the rack 8 to the left Moving to reset, it also drives the mounting plate 11 to move to the left to reset. The mounting plate 11 drives the cutter 12 to move to the left to reset. When the sector gear 5 meshes with the rack 8 again, the cutter 12 will align the ring-shaped neodymium iron boron again. Perform slicing, and continue to slice the ring-shaped neodymium-iron-boron by repeating this process. After the work is completed, the reduction motor 4 can be turned off. The cutter 12 is connected to the mounting plate 11 by bolts, which can be conveniently replaced when the cutter 12 is damaged.

Example 2

1, the pushing device includes a disc 13, a first guide rail 14, a first guide block 15, a second guide rail 16, a second guide block 17, a rotating rod 18, a cylinder 19, a first piston 20, a pull rod 21, The suction pipe 22, the intake pipe 23, the one-way valve 24, the outlet pipe 26 and the plug 27. The output shaft of the reduction motor 4 is provided with a disc 13 which is located on the front side of the sector gear 5, and the left side of the frame 2 is placed through bolts The first guide rail 14 is fixedly connected, and the first guide rail 14 is located in the L-shaped frame 3. The first guide rail 14 is provided with a first guide block 15 that slides left and right. The front side of the first guide block 15 is provided with a second guide rail 16. The second guide rail 16 is provided with a second guide block 17 that slides up and down. The front side of the disc 13 is rotatably provided with a rotating rod 18. The right end of the rotating rod 18 is connected to the second guide block 17 in a rotating manner. The right side of the L-shaped frame 3 The cylinder 19 is installed on the right side of the second guide rail 16, and the first piston 20 is slidably arranged in the cylinder 19. The middle of the left side of the first piston 20 is connected with a tie rod 21, and the left end of the tie rod 21 passes through the cylinder. On the left wall of 19, the left end of the tie rod 21 is connected with the second guide rail 16. The bottom right side of the cylinder block 19 is provided with an air suction pipe 22, and the right center of the cylinder block 19 is provided with an air intake pipe 23. The top end of the air intake pipe 23 is connected to the recess on the placing frame 2. The grooves are connected, the suction pipe 22 and the air inlet pipe 23 are both provided with a one-way valve 24, the placement frame 2 is provided with an outlet pipe 26, the outlet pipe 26 is connected to the groove in the placement frame 2, and the outlet pipe 26 is plugged Out of the plug 27.

When the cutting device finishes slicing the ring-shaped NdFeB, the reduction motor 4 drives the disc 13 to rotate through the output shaft, the disc 13 drives the rotating rod 18 to move to the right, and the rotating rod 18 pushes the second guide rail through the second guide block 17 16 moves to the right, the first guide block 15 also moves to the right along the first guide rail 14, and the second guide rail 16 pushes the first piston 20 to move to the right, thereby squeezing the air and pushing the air in through the intake pipe 23 Place the frame 2 in the groove, because there is a fixed lifting device 25, so the air will not flow out. The air pushes the ring-shaped neodymium iron boron upward through the fixed lifting device 25. When the cutting device cuts the ring-shaped neodymium iron boron again , The rotation of the disc 13 will drive the rotating rod 18 to move to the left. The rotating rod 18 pulls the lever 21 to move to the left through the second guide block 17 and the second guide rail 16, and the lever 21 pulls the first piston 20 to move to the left. The air is sucked into the cylinder 19 through the suction pipe 22, and so on, after the cutting device slices the ring-shaped NdFeB, the ring-shaped NdFeB can automatically rise, so that the NdFeB can be continuously sliced. When the ring-shaped NdFeB slicing is completed, turn off the geared motor 4 and pull the plug 27 out of the air outlet pipe 26. The air in the groove on the placement frame 2 can flow out of the air outlet pipe 26, and the lifting device 25 is fixed to Move down to reset, and then plug the plug 27 back into the outlet pipe 26. When the ring-shaped NdFeB needs to be cut, repeat the above operation.

1 and 2, the fixed lifting device 25 includes a second piston 251, a second spring 252, a vertical rod 253, a hollow threaded rod 254, a connecting rod 256, a fixing block 257, a first nut 258 and a concave plate 259, A second piston 251 that can move vertically is provided in the groove on the placing frame 2. A second spring 252 is connected between the bottom of the second piston 251 and the inner bottom of the placing frame 2, and the groove on the placing frame 2 is provided There is a vertical rod 253, the vertical rod 253 passes through the second piston 251, the vertical rod 253 and the second piston 251 are sealed and slidingly connected, the upper right part of the vertical rod 253 is provided with a hollow threaded rod 254, and the hollow threaded rod 254 is provided with a horizontal The first opening 255 of the hollow threaded rod 254 is slidably provided with a connecting rod 256, the connecting rod 256 passes through the first opening 255, the right end of the connecting rod 256 is connected with a fixing block 257, and the hollow threaded rod 254 is fitted with two first Nuts 258, the first nuts 258 are located on the left and right sides of the connecting rod 256, a concave plate 259 is installed on the top of the second piston 251, and the vertical rod 253 passes through the concave plate 259.

When the ring-shaped NdFeB needs to be cut, the ring-shaped ring-shaped NdFeB is first sleeved on the vertical rod 253 and the fixed block 257, and then dropped on the concave plate 259, and then the first nut 258 is screwed. The fixing block 257 and the connecting rod 256 can be moved to the right to spread apart, thereby fixing the ring-shaped NdFeB, and then start the cutting device to slice the ring-shaped NdFeB. After the ring-shaped NdFeB is cut off, The second piston 251 will move upward for a certain distance through the pushing device, the second spring 252 will be stretched, and the second piston 251 will push the concave plate 259 upward, and the concave plate 259 will drive the ring-shaped neodymium iron boron upward. When the cutting device cuts the ring-shaped NdFeB again, the pushing device will stop pushing the second piston 251 to move upward, so that the ring-shaped NdFeB stops moving upwards. Repeatedly, the ring-shaped NdFeB can continue to move upward. Carry out cutting. When the ring-shaped NdFeB is cut, close the cutting device, then replace with a new ring-shaped NdFeB, and then pull out the plug 27 to release the air in the placement frame 2, and the second spring 252 is reset to drive The second piston 251 and its upper device are moved downward to reset, and then the plug 27 is inserted back into the trachea 26, and then the above operation is repeated, and the sectioning is performed again. The fixing block 257 and the connecting rod 256 can move to the right to spread apart, so that the ring-shaped neodymium iron boron of different sizes can be fixed, so that the device can slice the neodymium iron boron of different sizes.

Example 3

1, in order to adjust the slice thickness of the ring-shaped NdFeB, it also includes a vertical plate 28, a backing plate 29, a solid threaded rod 30, a push rod 31, a second nut 32, a third spring 34 and a third piston 35, A vertical plate 28 sliding left and right is provided in the groove on the placement frame 2. A backing plate 29 is installed on the right side of the placement frame 2 through bolts. The middle of the backing plate 29 is rotated through a bearing seat with a solid threaded rod 30. Push rods 31 are provided on the upper and lower sides of the side. The right side of the push rod 31 passes through the right side of the placement frame 2 and the backing plate 29. The solid threaded rod 30 is fitted with a second nut 32. The right part of the push rod 31 is connected to the second nut. 32 is connected, the right part of the second piston 251 is opened with a first groove 33, the second piston 251 in the first groove 33 is connected with a third spring 34, the right end of the third spring 34 is connected with a third piston 35, The piston 35 and the second piston 251 partially overlap in the vertical direction.

Since the thickness of the ring-shaped NdFeB slices will be different, according to the thickness of the ring-shaped NdFeB slices, screw the solid threaded rod 30 so that the second nut 32 drives the push rod 31 to move to the right or left, and the push rod 31 drives The vertical plate 28 moves to the right or left. When the vertical plate 28 moves to the right, the third piston 35 is pulled out and the third spring 34 is stretched. When the vertical plate 28 moves to the left, the third spring 34 is reset. Help the third piston 35 move to the left. When the vertical plate 28 moves to the right, the space at the bottom of the placement frame 2 becomes larger, and the air pushed in by the pushing device does not change, so the second piston 251 and its upper device rise The height becomes shorter and the thickness of the ring-shaped NdFeB slice becomes thinner. When the vertical plate 28 moves to the left, the space at the bottom of the placement frame 2 becomes smaller, and the air pushed in by the pushing device does not change, so the second piston 251 And the rising height of the upper device becomes longer, and the thickness of the ring-shaped NdFeB slice becomes thicker, so that the slice thickness of the ring-shaped NdFeB can be adjusted, so that the equipment can slice the ring-shaped NdFeB more accurately, and place the frame. 2 After adjusting the inner bottom space, the user stops screwing the solid threaded rod 30.

3, in order to adjust the slice thickness of the ring-shaped neodymium iron boron, a fourth spring 37 is also included. The upper and lower sides of the back of the plug 27 are provided with a second groove 36, and the plug 27 in the second groove 36 A fourth spring 37 is connected to the air outlet pipe 26, a through hole 38 is opened at the rear of the plug 27, the through hole 38 is T-shaped, and the through hole 38 communicates with the second groove 36.

When it is necessary to deflate the groove in the placement frame 2, just pull the plug 27 to move forward, the fourth spring 37 is compressed, the through hole 38 will be exposed from the air outlet pipe 26, and the air can flow out through the through hole 38 When all the air has flowed out, you only need to release your hand, and under the action of the fourth spring 37, the plug 27 will be plugged back again. In this way, the air in the bottom space in the placement frame 2 can be released more conveniently.

1 and 4, in order to better collect the sliced NdFeB, it also includes an inclined plate 39 and a collection box 40. The top of the mounting plate 11 is fixed with a collection box 40 through bolts. The right side of the collection box 40 is opened The collection box 40 at the bottom of the second opening 41 is connected with an inclined plate 39, and the right end of the inclined plate 39 is in contact with the cutter 12.

After the blade slices the ring-shaped NdFeB, the sheet-shaped NdFeB falls into the collection box 40 along the inclined plate 39, so that the sliced NdFeB can be collected more conveniently.

1, in order to improve the safety of the equipment, a guide sleeve 42 is also included. The left side of the L-shaped frame 3 is fixedly connected with a guide sleeve 42 by bolts, and the rack 8 is located in the guide sleeve 42.

When the rack 8 is reset and protrudes from the left side of the L-shaped frame 3, it will be inserted into the guide sleeve 42, so that the rack 8 will not be exposed to the outside, making the equipment work safer, and better protecting the equipment. The service life of the equipment.

The above-mentioned embodiments are provided for those skilled in the art to implement or use the present invention. Those skilled in the art can make various modifications or changes to the above-mentioned embodiments without departing from the inventive idea of the present invention. The protection scope of the present invention is not limited by the above-mentioned embodiments, but should be the maximum scope that meets the innovative features mentioned in the claims.

Claims (7)

A ring-shaped neodymium iron boron magnet slicing machine, including a base, a placement frame and an L-shaped frame. The top right side of the base is equipped with a placement frame with a groove inside. The left side of the placement frame is equipped with an L-shaped frame and an L-shaped frame. The bottom is fixed with the base by bolts, and it is characterized in that it also includes a cutting device, a pushing device and a fixed lifting device. The L-shaped frame is equipped with a cutting device for slicing the ring-shaped neodymium iron boron, and the L-shaped frame is equipped with a pushing ring. The vertical movement of the NdFeB-shaped pusher is installed in the groove on the placement frame with a fixed lifting device for fixing and lifting the ring-shaped NdFeB; the cutting device includes a reduction motor, a sector gear, a slide rail, and a slider , Rack, first spring, mounting plate and cutter. A geared motor is installed on the left side of the top of the base. The geared motor is located in the L-shaped frame. The output shaft of the geared motor is equipped with a sector gear. The top of the L-shaped frame is equipped with a slide rail. There is a hole in the L-shaped frame under the slide rail, and a sliding block is provided in the slide rail. The slide block passes through the hole. The bottom end of the slide block is connected with a rack. The rack is meshed with the sector gear. A first spring is connected between the side and the placing frame, the first spring is located in the straight hole, the top of the slider is provided with a mounting plate, and the right part of the mounting plate is equipped with a cutter through bolts. A ring-shaped neodymium iron boron magnet slicing machine according to claim 1, wherein the pushing device comprises a disc, a first guide rail, a first guide block, a second guide rail, a second guide block, a rotating rod, The cylinder block, the first piston, the tie rod, the suction pipe, the intake pipe, the one-way valve, the outlet pipe and the plug. The output shaft of the reduction motor is provided with a disc. The disc is located on the front side of the sector gear. A guide rail, the first guide rail is located in the L-shaped frame, the first guide rail is slidably provided with a first guide block, the front side of the first guide block is provided with a second guide rail, and the second guide rail is slidably provided with a second guide block, The front side of the disc is provided with a rotating rod at an eccentric position. The right end of the rotating rod is connected with the second guide block. The right part of the L-shaped frame is equipped with a cylinder. The cylinder is located on the right side of the second guide rail. There is a first piston. The middle part of the left side of the first piston is connected with a tie rod. The left end of the tie rod passes through the left wall of the cylinder. The left end of the tie rod is connected with the second guide rail. There is an air inlet pipe, the top of the air inlet pipe communicates with the groove on the placing frame, the air suction pipe and the air inlet pipe are equipped with one-way valves, the placing frame is provided with an air outlet pipe, the air outlet pipe is connected with the groove in the placing frame, The tracheal plug has a plug that can be pulled out. The ring-shaped neodymium iron boron magnet slicer according to claim 2, wherein the fixed lifting device includes a second piston, a second spring, a vertical rod, a hollow threaded rod, a connecting rod, a fixed block, and a first Nut and concave plate, a second piston is slidably arranged in the groove on the placing frame, a second spring is connected between the bottom of the second piston and the inner bottom of the placing frame, and a vertical rod is arranged in the groove on the placing frame , The vertical rod passes through the second piston, the vertical rod and the second piston are sealed and slidingly connected, the upper right side of the vertical rod is provided with a hollow threaded rod, the hollow threaded rod is provided with a first opening, and the hollow threaded rod is provided with a sliding type Connecting rod, the connecting rod passes through the first opening, the right end of the connecting rod is connected with a fixed block, the hollow threaded rod is fitted with two first nuts, the first nut is located at the left and right ends of the connecting rod, and the top of the second piston is equipped with a concave plate , The vertical rod passes through the concave plate. The ring-shaped neodymium iron boron magnet slicer according to claim 3, further comprising a vertical plate, a backing plate, a solid threaded rod, a push rod, a second nut, a third spring and a third piston, A vertical plate is slidably arranged in the groove on the placing frame, and a backing plate is installed on the right side of the placing frame. The middle of the backing plate is rotated through the bearing seat with a solid threaded rod. The upper and lower sides of the right side of the vertical plate are equipped with push rods. The right part of the push rod passes through the right side of the placing frame and the backing plate. The solid threaded rod is fitted with a second nut. The right part of the push rod is connected with the second nut. The right part of the second piston is provided with a first groove and a first recess. A third spring is connected to the second piston in the groove, and a third piston is connected to the right end of the third spring. A ring-shaped neodymium iron boron magnet slicer according to claim 4, characterized in that it further comprises a fourth spring, the back of the plug is provided with second grooves on both upper and lower sides, and the plug in the second groove A fourth spring is connected with the air outlet pipe, a through hole is opened at the back of the plug, and the through hole communicates with the second groove. A ring-shaped neodymium iron boron magnet slicer according to claim 5, further comprising an inclined plate and a collecting box, the top of the mounting plate is provided with a collecting box, the right side of the collecting box has a second opening, An inclined plate is connected to the collection box at the bottom of the two openings, and the right end of the inclined plate is in contact with the cutter. A ring-shaped neodymium iron boron magnet slicer according to claim 6, characterized in that it further comprises a guide sleeve, the left side of the L-shaped frame is provided with a guide sleeve, and the rack is located in the guide sleeve.

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