Efficient rare earth permanent magnet material injection molding equipment based on magnetic field orientation

By using the combination of driving motor and electromagnetic blocks in the rare earth permanent magnet material injection molding equipment, the orientation arrangement of magnetic powder particles is achieved, the problem of inaccurate magnetization direction control is solved, and the molding quality is improved.

CN120376326APending Publication Date: 2025-07-25AETNA NORTH TECH CO LTD +1
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Patent Information

Application Number
CN202510678277.8
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-05-26
Publication Date
2025-07-25

AI Technical Summary

Technical Problem

Existing high-efficiency rare earth permanent magnet material injection molding equipment cannot accurately control the magnetization direction, resulting in disordered magnetic field direction.

Method used

The injection molding equipment based on magnetic field orientation is adopted, and the rotating plate and rotating rod are driven by the driving motor to mix rare earth permanent magnet material and adhesive, and the electromagnetic block is used to strengthen the magnetic field, so that the c-axis of the magnetic powder particles is arranged in the direction of the magnetic field.

Benefits of technology

The directional structure of rare earth permanent magnet materials is realized, ensuring the consistency of the direction of the magnetic field, and improving the quality of injection molding.

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Abstract

The invention relates to the technical field of injection molding equipment, in particular to efficient rare earth permanent magnet material injection molding equipment based on magnetic field orientation, which comprises a supporting leg, the top of the supporting leg is fixedly connected with a connecting block, and one side of the connecting block is fixedly connected with the outer wall of a storage assembly. The top of the storage assembly is fixedly connected with a driving assembly through a bolt, the inner wall of the driving assembly slidably abuts against the outer wall of the positioning assembly, the bottom of the positioning assembly slidably abuts against the top of the storage assembly, and the efficient rare earth permanent magnet material and the adhesive enter the storage barrel through the feeding pipe and then enter the storage barrel. A feeding pipe is sealed through a sealing cover, a driving motor and an electromagnetic block are started, the driving motor drives a rotating rod and a rotating plate to rotate through a driving pipe, an efficient rare earth permanent magnet material and an adhesive are mixed when the rotating plate rotates, and the electromagnetic block applies a strong magnetic field (generally larger than or equal to 0.8 A / m) to the interior of a storage barrel; the magnetic field effect enables the c-axis of the magnetic powder particles to be arranged in the magnetic field direction.
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Description

Technical Field

[0001] The present invention relates to the technical field of injection molding equipment, and specifically to an injection molding equipment for high-efficiency rare earth permanent magnet materials based on magnetic field orientation. Background Art

[0002] In the injection molding process of MIM (Metal Injection Molding) sintered magnets, magnetic field orientation is one of the core technologies to achieve high-performance anisotropic magnets. This process needs to combine material characteristics and process parameters to ensure that the easy magnetization directions (c-axes) of magnetic powder particles are highly aligned under the action of an external magnetic field.

[0003] At present, most of the injection molding equipment for high-efficiency rare earth permanent magnet materials on the market cannot accurately control the magnetization direction during the mixing process of permanent magnet materials, resulting in disorder in the direction of the internal magnetic field of the injection-molded permanent magnet materials. Summary of the Invention

[0004] The purpose of the present invention is to provide an injection molding equipment for high-efficiency rare earth permanent magnet materials based on magnetic field orientation to solve the problem of inability to accurately control the magnetization direction during the mixing process of permanent magnet materials as proposed in the above background art. To achieve the above purpose, the present invention provides the following technical solution: An injection molding equipment for high-efficiency rare earth permanent magnet materials based on magnetic field orientation, including support legs, the top of the support legs is fixedly connected with a connection block, one side of the connection block is fixedly connected with the outer wall of a storage component, and the top of the storage component is fixedly connected with a driving component through bolts.

[0005] The inner wall of the driving component is in sliding contact with the outer wall of a positioning component, the bottom of the positioning component is in sliding contact with the top of the storage component, the outer wall of the positioning component is fixedly connected with the outer wall of a stirring component, the outer wall of the stirring component is in sliding contact with the inner wall of the driving component, the inner wall of the storage component is rotatably connected with the outer wall of a sealing component, and the top of the sealing component is in movable contact with the bottom end of the driving component.

[0006] Preferably, the storage component includes a storage barrel, electromagnetic blocks, a feed pipe, a sealing cover, and a limiting groove. The outer wall of the storage barrel is fixedly connected with one side of the connection block, and electromagnetic blocks are respectively fixedly connected to the outer walls on both sides of the storage barrel. A feed pipe is fixedly installed at the top of the storage barrel, and a sealing cover is threadedly connected to the end of the feed pipe away from the storage barrel. A limiting groove for the rotation of the positioning component is opened at the top of the storage barrel, and a driving hole for the rotation of the driving component is opened at the center of the storage barrel at the position of the limiting groove. A discharge port is opened at the bottom of the storage barrel, and a guiding ring is arranged at the top of the discharge port. A clamping block for snap connection with the sealing component is arranged at the bottom of the storage barrel.

[0007] Preferably, the driving assembly includes a mounting block, a driving motor, a driving tube, a sliding groove and a rotating groove. The bottom of the mounting block is fixedly connected to the top of the storage barrel by bolts, and one side of the mounting block is snap-fitted to the outer wall of the driving motor. The output shaft of the driving motor is fixedly connected to the top end of the driving tube by a coupling, and the outer wall of the driving tube is rotatably connected to the inner wall of the top of the storage barrel through mechanical seals. A sliding groove for the positioning assembly to slide up and down is provided in the inner wall of the driving tube near the top end, and a rotating groove for the stirring assembly to slide up and down is provided in the inner wall of the driving tube near the bottom end.

[0008] Preferably, the positioning assembly includes a T-shaped sliding block, a compression spring, a plugging block, a rotating block, a pushing column, a sealing tube and a moving groove. The outer wall of the T-shaped sliding block is slidably connected to the inner wall of the sliding groove, and a plugging cavity for the plugging block to expand and contract is provided inside the T-shaped sliding block. The inner bottom wall of the plugging cavity is fixedly connected to one end of the compression spring, and the other end of the compression spring is fixedly connected to one side of the plugging block. The other side of the plugging block is slidably inserted into the inner wall of the rotating block, and a moving groove for the plugging block to slide up and down is provided in the inner wall of the rotating block. Positioning holes for the plugging block to be plugged and positioned are provided in the inner walls of the moving groove at the top and bottom, and the outer wall of the rotating block near the bottom is slidably abutted against the inner wall of the limiting groove. The bottom of the T-shaped sliding block is fixedly connected to the top end of the pushing column, and a sealing tube is arranged on the outer wall of the pushing column, and the outer wall of the sealing tube is slidably abutted against the inner wall of the driving tube. The horizontal height of the sealing tube is the same as the horizontal height of the rotating groove, and the bottom end of the pushing column is movably abutted against the top of the sealing assembly.

[0009] Preferably, the stirring assembly includes a sliding rack, a rotating gear, a rotating rod and a rotating plate. The outer wall of the sliding rack is slidably abutted against the inner wall of the rotating groove, and one side of the sliding rack is fixedly connected to the outer wall of the sealing tube. The teeth of the sliding rack are meshed with the outer wall of the rotating gear, and the inner wall of the rotating gear is snap-fitted to the outer wall of the rotating rod. One end of the rotating rod is rotatably connected to the inner wall of the driving tube, and the outer wall of the rotating rod far from the driving tube is fixedly connected to the inner wall of the rotating plate.

[0010] Preferably, the sealing assembly comprises a fixed block, a fixed rod, a telescopic spring, a rotating cover, a telescopic block, a connecting strip, a connecting rod, a fixed plate, a sliding plate, a toggle block, a wedge block and a toggle groove, the top of the fixed block is fixedly connected to the bottom of the storage barrel, and the inner wall of the fixed block is slidably connected to the fixed rod, the top of the fixed rod is fixedly connected to the telescopic spring, and the top of the telescopic spring is fixedly connected to the bottom of the storage barrel, the outer wall of the fixed rod is rotatably connected to the rotating cover, and the inner card of the rotating cover located at the upper layer is provided with a sliding cavity for sliding the sliding plate, the inner wall of the rotating cover located at the lower layer is provided with a fixed cavity for sliding the fixed plate, and the sliding cavity is communicated with the fixed cavity, and the rotating cover is remote The inner wall card on the side of the fixed rod is provided with a through hole, and the inner wall of the through hole is slidably inserted into the outer wall of the telescopic block, and the side of the telescopic block located in the through hole is rotatably connected to the outer wall of the connecting strip, the outer wall of the connecting strip is rotatably connected to the inner wall of the connecting rod, and the other end of the connecting rod is fixedly connected to the left side of the fixed plate, the top of the fixed plate is fixedly connected to the bottom of the sliding plate, and the top of the sliding plate is fixedly connected to the bottom of the toggle block, the right side of the toggle block is fixedly connected to the left side of the wedge block, and the rotating cover is provided with a toggle groove connected to the sliding cavity, and the inner wall of the toggle groove is slidably connected to the outer wall of the toggle block, the number of the connecting strips is two, and the two connecting strips are connected by a return spring.

[0011] Compared with the prior art, the present invention has the following beneficial effects: In the present invention, after the high-efficiency rare earth permanent magnetic material and the adhesive enter the storage barrel through the feed pipe, the feed pipe is sealed by a sealing cover, and the drive motor and the electromagnetic block are started. The drive motor drives the rotating rod and the rotating plate to rotate through the drive pipe. The rotating plate mixes the high-efficiency rare earth permanent magnetic material and the adhesive when rotating. The electromagnetic block applies a strong magnetic field (usually ≥0.8 A / m) to the inside of the storage barrel. The magnetic field causes the c-axis of the magnetic powder particles to be arranged along the direction of the magnetic field to form a directional organizational structure.

[0012] In the present invention, the driving motor drives the rotating rod and the rotating plate to rotate through the driving tube. The rotating plate mixes the high-efficiency rare earth permanent magnetic material and the adhesive when rotating, and pushes the T-shaped sliding block downward. The sealing tube moves downward and drives the sliding rack to move downward. The sliding rack drives the rotating gear to rotate under the meshing force, and the rotating gear drives the rotating rod to rotate. The rotating rod drives the rotating plate to deflect a certain degree, and the driving motor is started. The driving motor drives the rotating plate to rotate through the driving tube, and the rotating plate pushes the mixture in the storage barrel to be discharged from the discharge port. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 is a cross-sectional view of the present invention; Figure 3 is a cross-sectional view of a storage assembly of the present invention; Figure 4 It is a schematic diagram of the connection relationship between the driving component, the positioning component and the stirring component of the present invention; Figure 5 For the present invention Figure 4 Cross-sectional view of the structure; Figure 6 is a cross-sectional view of the sealing assembly of the present invention; Figure 7 It is a schematic diagram of the inverted structure of the present invention.

[0014] In the figure: 1, support leg; 2, connecting block; 3, storage assembly; 301, storage barrel; 302, electromagnetic block; 303, feed pipe; 304, sealing cover; 305, limit groove; 4, driving assembly; 401, mounting block; 402, driving motor; 403, driving pipe; 404, sliding groove; 405, rotating groove; 5, positioning assembly; 501, T-shaped sliding block; 502, compression spring; 503, plug-in block; 504, rotating block; 505, pushing column; 506, sealing tube; 507, moving groove; 6, stirring assembly; 601, sliding rack; 602, rotating gear; 603, rotating rod; 604, rotating plate; 7, sealing assembly; 701, fixed block; 702, fixed rod; 703, telescopic spring; 704, rotating cover; 705, telescopic block; 706, connecting strip; 707, connecting rod; 708, fixed plate; 709, sliding plate; 710, toggle block; 711, wedge block; 712, toggle groove. DETAILED DESCRIPTION

[0015] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technical personnel in this field without creative work are within the scope of protection of the present invention.

[0016] See also Figures 1 to 7 The present invention provides a technical solution: a high-efficiency rare earth permanent magnet material injection molding device based on magnetic field orientation, comprising a support leg 1, a connecting block 2 is fixedly connected to the top of the support leg 1, one side of the connecting block 2 is fixedly connected to the outer wall of a storage component 3, and the top of the storage component 3 is fixedly connected to a driving component 4 by bolts.

[0017] The inner wall of the driving component 4 is in sliding contact with the outer wall of the positioning component 5. The bottom of the positioning component 5 is in sliding contact with the top of the storage component 3. The outer wall of the positioning component 5 is fixedly connected to the outer wall of the stirring component 6. The outer wall of the stirring component 6 is in sliding contact with the inner wall of the driving component 4. The inner wall of the storage component 3 is rotatably connected to the outer wall of the sealing component 7, and the top of the sealing component 7 is in movable contact with the bottom end of the driving component 4.

[0018] In this embodiment, as Figures 1 to 7 shown, the storage component 3 includes a storage barrel 301, an electromagnet 302, a feed pipe 303, a sealing cover 304, and a limiting groove 305. The outer wall of the storage barrel 301 is fixedly connected to one side of the connecting block 2. Electromagnets 302 are fixedly connected to the outer walls on both sides of the storage barrel 301. A feed pipe 303 is fixedly installed at the top of the storage barrel 301, and a sealing cover 304 is threadedly connected to the end of the feed pipe 303 away from the storage barrel 301. A limiting groove 305 for the positioning component 5 to rotate is provided at the top of the storage barrel 301, and a driving hole for the driving component 4 to rotate is provided at the center of the storage barrel 301 located in the limiting groove 305. A discharge port is provided at the bottom of the storage barrel 301, and a guiding ring is provided at the top of the discharge port. A clamping block for snap-connecting with the sealing component 7 is provided at the bottom of the storage barrel 301.

[0019] In this embodiment, as Figures 1 to 7 shown, the driving component 4 includes a mounting block 401, a driving motor 402, a driving pipe 403, a sliding groove 404, and a rotating groove 405. The bottom of the mounting block 401 is fixedly connected to the top of the storage barrel 301 by bolts. One side of the mounting block 401 is in snap-connection with the outer wall of the driving motor 402. The output shaft of the driving motor 402 is fixedly connected to the top end of the driving pipe 403 through a coupling. The outer wall of the driving pipe 403 is rotatably connected to the inner wall of the top of the storage barrel 301 through a mechanical seal. A sliding groove 404 for the positioning component 5 to slide up and down is provided in the inner wall of the driving pipe 403 near the top end, and a rotating groove 405 for the stirring component 6 to slide up and down is provided in the inner wall of the driving pipe 403 near the bottom end.

[0020] In this embodiment, as Figures 1 to 7As shown in the figure, the positioning component 5 includes a T-shaped sliding block 501, a compression spring 502, a plug-in block 503, a rotating block 504, a push rod 505, a sealing tube 506, and a moving groove 507. The outer wall of the T-shaped sliding block 501 is slidably connected to the inner wall of the sliding groove 404. An insertion cavity for the telescopic movement of the plug-in block 503 is provided inside the T-shaped sliding block 501. The inner bottom wall of the insertion cavity is fixedly connected to one end of the compression spring 502, and the other end of the compression spring 502 is fixedly connected to one side of the plug-in block 503. The other side of the plug-in block 503 is slidably inserted into the inner wall of the rotating block 504. A moving groove 507 for the up-and-down sliding of the plug-in block 503 is provided in the inner wall of the rotating block 504. Positioning holes for the plug-in and positioning of the plug-in block 503 are provided in the inner walls of the moving groove 507 at the top and bottom. The outer wall of the rotating block 504 near the bottom is slidably abutted against the inner wall of the limiting groove 305. The bottom of the T-shaped sliding block 501 is fixedly connected to the top end of the push rod 505. A sealing tube 506 is provided on the outer wall of the push rod 505. The outer wall of the sealing tube 506 is slidably abutted against the inner wall of the driving tube 403. The horizontal height of the sealing tube 506 is the same as the horizontal height of the rotating groove 405. The bottom end of the push rod 505 is movably abutted against the top of the sealing component 7.

[0021] In this embodiment, as Figures 1 to 7 shown, the stirring component 6 includes a sliding rack 601, a rotating gear 602, a rotating rod 603, and a rotating plate 604. The outer wall of the sliding rack 601 is slidably abutted against the inner wall of the rotating groove 405. One side of the sliding rack 601 is fixedly connected to the outer wall of the sealing tube 506. The teeth of the sliding rack 601 are meshed with the outer wall of the rotating gear 602. The inner wall of the rotating gear 602 is engaged with the outer wall of the rotating rod 603. One end of the rotating rod 603 is rotatably connected to the inner wall of the driving tube 403. The outer wall of the end of the rotating rod 603 away from the driving tube 403 is fixedly connected to the inner wall of the rotating plate 604.

[0022] In this embodiment, as Figures 1 to 7As shown, the sealing assembly 7 includes a fixed block 701, a fixed rod 702, a telescopic spring 703, a rotating cover 704, a telescopic block 705, a connecting strip 706, a connecting rod 707, a fixed plate 708, a sliding plate 709, a toggle block 710, a wedge block 711 and a toggle groove 712. The top of the fixed block 701 is fixedly connected to the bottom of the storage barrel 301, and the inner wall of the fixed block 701 is slidably connected with the fixed rod 702, the top of the fixed rod 702 is fixedly connected with the telescopic spring 703, and the top of the telescopic spring 703 is fixedly connected to the bottom of the storage barrel 301, the outer wall of the fixed rod 702 is rotatably connected with the rotating cover 704, and the internal card of the rotating cover 704 located at the upper layer is provided with a sliding cavity for sliding the sliding plate 709, and the inner wall of the rotating cover 704 located at the lower layer is provided with a fixed cavity for sliding the fixed plate 708, and the sliding cavity is connected to the fixed cavity The inner wall of the rotating cover 704 away from the fixed rod 702 is provided with a through hole, and the inner wall of the through hole is slidably inserted into the outer wall of the telescopic block 705, and the side of the telescopic block 705 located in the through hole is rotatably connected to the outer wall of the connecting strip 706, the outer wall of the connecting strip 706 is rotatably connected to the inner wall of the connecting rod 707, and the other end of the connecting rod 707 is fixedly connected to the left side of the fixed plate 708, the top of the fixed plate 708 is fixedly connected to the bottom of the sliding plate 709, and the top of the sliding plate 709 is fixedly connected to the bottom of the toggle block 710, the right side of the toggle block 710 is fixedly connected to the left side of the wedge block 711, and the rotating cover 704 is provided with a toggle groove 712 connected to the sliding cavity, and the inner wall of the toggle groove 712 is slidably connected to the outer wall of the toggle block 710, the number of connecting strips 706 is two, and the two connecting strips 706 are connected by a return spring.

[0023] The use method and advantages of the present invention: When the high-efficiency rare earth permanent magnetic material injection molding equipment based on magnetic field orientation is working, the working process is as follows: like Figures 1 to 7As shown, after the high-efficiency rare earth permanent magnetic material and the adhesive enter the storage barrel 301 through the feed pipe 303, the feed pipe 303 is sealed by the sealing cover 304, and the driving motor 402 and the electromagnetic block 302 are started. The driving motor 402 drives the rotating rod 603 and the rotating plate 604 to rotate through the driving pipe 403. The rotating plate 604 mixes the high-efficiency rare earth permanent magnetic material and the adhesive when rotating. The electromagnetic block 302 applies a strong magnetic field (usually ≥ 0.8 A / m), the magnetic field causes the c-axis of the magnetic powder particles to be arranged along the direction of the magnetic field to form a directional organizational structure. After the mixing is completed, the driving motor 402 and the electromagnetic block 302 are turned off, and the T-shaped sliding block 501 is pushed downward. The plug-in block 503 is forced to shrink inward and squeeze the compression spring 502 to make the plug-in block 503 disengage from the positioning hole at the top of the rotating block 504. The plug-in block 503 slides downward to the positioning hole at the bottom of the rotating block 504 to complete the positioning. The plug-in block 503 drives the push column 505 and the sealing tube 506 to move downward. After the push column 505 abuts against the toggle block 710, it will push the toggle block 710 to slide to one side. The wedge block 711 pushes out the mixture in the toggle groove 712. The toggle block 710 will drive the sliding plate 709 to slide, and the sliding plate 709 drives the connecting rod 7 through the fixed plate 708. 07 moves, the connecting rod 707 drives the connecting strip 706 to deflect in the opposite direction, and the connecting strip 706 drives the telescopic block 705 to retract inward, so that the outer wall of the telescopic block 705 is separated from the engaging block, so that the rotating cover 704 drives the fixed rod 702 to rotate around the fixed rod 702 as the axis after the fixed block 701 moves downward, so that the rotating cover 704 is opened, and at the same time, the sealing tube 506 moves downward to drive the sliding rack 601 to move downward, and the sliding rack 601 drives the rotating gear 602 to rotate under the meshing force, and the rotating gear 602 drives the rotating rod 603 to rotate, and the rotating rod 603 drives the rotating plate 604 to deflect 45 degrees, and the driving motor 402 is started. The driving motor 402 drives the rotating plate 604 to rotate through the driving tube 403, and the rotating plate 604 pushes the mixture in the storage barrel 301 to be discharged from the discharge port.

[0024] The above shows and describes the basic principles, main features and advantages of the present invention. Technical personnel in this industry should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are only preferred examples of the present invention and are not used to limit the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention to be protected. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. High-efficiency rare earth permanent magnet material injection molding equipment based on magnetic field orientation, including support legs (1), the top of the support legs (1) is fixedly connected with a connecting block (2), and it is characterized in that: One side of the connection block (2) is fixedly connected to the outer wall of the storage component (3), and the top of the storage component (3) is fixedly connected with a driving component (4) by bolts; The inner wall of the driving component (4) is in sliding contact with the outer wall of the positioning component (5), the bottom of the positioning component (5) is in sliding contact with the top of the storage component (3), the outer wall of the positioning component (5) is fixedly connected to the outer wall of the stirring component (6), the outer wall of the stirring component (6) is in sliding contact with the inner wall of the driving component (4), the inner wall of the storage component (3) is rotatably connected to the outer wall of the sealing component (7), and the top of the sealing component (7) is in movable contact with the bottom end of the driving component (4).

2. The high-efficiency rare earth permanent magnet material injection molding equipment based on magnetic field orientation according to claim 1, wherein: The storage component (3) includes a storage barrel (301), an electromagnetic block (302), a feed pipe (303), a sealing cover (304), and a limiting groove (305). The outer wall of the storage barrel (301) is fixedly connected to one side of the connection block (2), and electromagnetic blocks (302) are respectively fixedly connected to the outer walls on both sides of the storage barrel (301). The top of the storage barrel (301) is fixedly provided with a feed pipe (303), and the end of the feed pipe (303) away from the storage barrel (301) is threadedly connected to a sealing cover (304). A limiting groove (305) for the positioning component (5) to rotate is provided at the top of the storage barrel (301), and a driving hole for the driving component (4) to rotate is provided at the center of the storage barrel (301) located in the limiting groove (305). A discharge port is provided at the bottom of the storage barrel (301), and a guiding ring is provided at the top of the discharge port. A clamping block for snap-connecting with the sealing component (7) is provided at the bottom of the storage barrel (301).

3. The high-efficiency rare earth permanent magnet material injection molding device based on magnetic field orientation according to claim 2, wherein: The driving component (4) includes a mounting block (401), a driving motor (402), a driving pipe (403), a sliding groove (404), and a rotating groove (405). The bottom of the mounting block (401) is fixedly connected to the top of the storage barrel (301) by bolts, and one side of the mounting block (401) is snap-connected to the outer wall of the driving motor (402). The output shaft of the driving motor (402) is fixedly connected to the top end of the driving pipe (403) through a coupling, and the outer wall of the driving pipe (403) is rotatably connected to the inner wall of the top of the storage barrel (301) through mechanical sealing. A sliding groove (404) for the positioning component (5) to slide up and down is provided on the inner wall of the driving pipe (403) near the top end, and a rotating groove (405) for the stirring component (6) to slide up and down is provided on the inner wall of the driving pipe (403) near the bottom end.

4. The high-efficiency rare earth permanent magnet material injection molding equipment based on magnetic field orientation according to claim 3, wherein: The positioning component (5) includes a T-shaped sliding block (501), a compression spring (502), a plug-in block (503), a rotating block (504), a push column (505), a sealing tube (506) and a moving groove (507). The outer wall of the T-shaped sliding block (501) is slidably connected to the inner wall of the sliding groove (404), and a plug-in cavity for the plug-in block (503) to expand and contract is formed inside the T-shaped sliding block (501). The inner bottom wall of the plug-in cavity is fixedly connected to one end of the compression spring (502), and the other end of the compression spring (502) is fixedly connected to one side of the plug-in block (503). The other side of the plug-in block (503) is slidably inserted into the inner wall of the rotating block (504), and a moving groove (507) for the plug-in block (503) to slide up and down is formed in the inner wall of the rotating block (504). Positioning holes for the plug-in block (503) to be inserted and positioned are formed in the inner walls of the moving groove (507) at the top and bottom, and the outer wall of the rotating block (504) near the bottom is slidably abutted against the inner wall of the limiting groove (305). The bottom of the T-shaped sliding block (501) is fixedly connected to the top end of the push column (505), and a sealing tube (506) is arranged on the outer wall of the push column (505), and the outer wall of the sealing tube (506) is slidably abutted against the inner wall of the driving tube (403). The horizontal height of the sealing tube (506) is the same as the horizontal height of the rotating groove (405), and the bottom end of the push column (505) is movably abutted against the top of the sealing component (7).

5. The high-efficiency rare earth permanent magnet material injection molding equipment based on magnetic field orientation according to claim 4, wherein: The stirring component (6) includes a sliding rack (601), a rotating gear (602), a rotating rod (603) and a rotating plate (604). The outer wall of the sliding rack (601) is slidably abutted against the inner wall of the rotating groove (405), and one side of the sliding rack (601) is fixedly connected to the outer wall of the sealing tube (506). The teeth of the sliding rack (601) are meshed with the outer wall of the rotating gear (602), and the inner wall of the rotating gear (602) is engaged with the outer wall of the rotating rod (603). One end of the rotating rod (603) is rotatably connected to the inner wall of the driving tube (403), and the outer wall of the end of the rotating rod (603) away from the driving tube (403) is fixedly connected to the inner wall of the rotating plate (604).

6. The high-efficiency rare earth permanent magnet material injection molding device based on magnetic field orientation according to claim 4, wherein: The sealing assembly (7) comprises a fixed block (701), a fixed rod (702), a telescopic spring (703), a rotating cover (704), a telescopic block (705), a connecting strip (706), a connecting rod (707), a fixed plate (708), a sliding plate (709), a toggle block (710), a wedge block (711) and a toggle groove (712), wherein the top of the fixed block (701) is fixedly connected to the bottom of the material storage barrel (301), and the inner wall of the fixed block (701) is slidably connected to a fixed A fixed rod (702), the top of which is fixedly connected to a telescopic spring (703), and the top of which is fixedly connected to the bottom of the storage barrel (301), the outer wall of which is rotatably connected to a rotating cover (704), and the interior of the rotating cover (704) located at the upper layer is provided with a sliding cavity for sliding a sliding plate (709), and the inner wall of the rotating cover (704) located at the lower layer is provided with a fixed cavity for sliding a fixed plate (708), and the sliding cavity is connected to the inner wall of the rotating cover (704) located at the lower layer. The fixed cavity is connected, the inner wall of the rotating cover (704) away from the fixed rod (702) is provided with a through hole, and the inner wall of the through hole is slidably plugged with the outer wall of the telescopic block (705), and the side of the telescopic block (705) located in the through hole is rotatably connected to the outer wall of the connecting strip (706), the outer wall of the connecting strip (706) is rotatably connected to the inner wall of the connecting rod (707), and the other end of the connecting rod (707) is fixedly connected to the left side of the fixed plate (708), and the top of the fixed plate (708) is connected to the The bottom of the sliding plate (709) is fixedly connected, and the top of the sliding plate (709) is fixedly connected to the bottom of the toggle block (710), the right side of the toggle block (710) is fixedly connected to the left side of the wedge block (711), and the rotating cover (704) is provided with a toggle groove (712) connected to the sliding cavity, and the inner wall of the toggle groove (712) is slidably connected to the outer wall of the toggle block (710), and the number of the connecting strips (706) is two, and the two connecting strips (706) are connected by a return spring.