Automatic magnetizing device for neodymium-iron-boron magnet

By designing an automated neodymium iron boron magnet magnetizing device, which utilizes electric push rods and cylinders to achieve automatic feeding, and combines pressure sensors and sponge pads, the problem of low efficiency due to reliance on manual operation in traditional magnetizing devices is solved, thus achieving efficient and safe magnetizing production.

CN223956401UActive Publication Date: 2026-02-27DONGGUAN RAINES MAGNETIC TECHNOLOGY CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202520348244.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-28
Publication Date
2026-02-27
Estimated Expiration
2035-02-28

AI Technical Summary

Technical Problem

Traditional automatic magnetization devices rely on manual loading, resulting in low production efficiency and safety hazards.

Method used

Design an automatic magnetizing device that includes a worktable, magnetizing coil, electric push rod, push plate, fixing component, raw material frame, loading box, conveying assembly and loading mechanism. The device achieves automated feeding through the coordinated work of electric push rod and cylinder, and ensures continuous magnetizing by combining pressure sensor and alarm. The sponge pad facilitates the removal of magnets.

Benefits of technology

The fully automated magnetization process of neodymium iron boron magnets has been achieved, which improves production efficiency, reduces operational difficulty and safety risks, and ensures the continuity and efficiency of magnetization work.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223956401U_ABST
    Figure CN223956401U_ABST
Patent Text Reader

Abstract

The utility model relates to a magnetizing device, in particular to an automatic magnetizing device of a neodymium iron boron magnet, which comprises a workbench, a magnetizing coil, an electric push rod, a push plate, a fixing piece, a raw material frame and the like, a magnetizing coil and a raw material frame are fixedly connected to the top of the workbench, a fixing piece is fixedly connected to the top of the magnetizing coil, one end of the fixing piece extends into the magnetizing coil, a through hole corresponding to the magnetizing coil is formed in the workbench, a charging mechanism is arranged at the bottom of the raw material frame, and an electric push rod is arranged at the position, corresponding to the through hole, of the workbench. Through cooperative work of automatic components such as the conveying assembly, the electric push rod, the charging pipe and the second air cylinder, automation of the whole process from raw material adding, conveying, charging to magnetizing is achieved, manual operation is greatly reduced, and production efficiency is improved.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to magnetizing device especially relates to a kind of automatic magnetizing device of neodymium iron boron magnet. BACKGROUND

[0002] Neodymium iron boron magnet is a kind of rare earth permanent magnet material composed of neodymium, iron, boron and a small amount of other elements such as dysprosium and terbium. It is one of the strongest permanent magnets on the market, with extremely high magnetic energy product, coercivity and remanence characteristics, and can provide strong magnetic field strength. Neodymium iron boron magnet is widely used in various high-tech fields, including electronic equipment, electric motor, generator, medical equipment and other applications requiring high-performance magnets.

[0003] In the production process of small particle neodymium iron boron magnet, the small particle neodymium iron boron magnet raw material needs to be magnetized. The traditional automatic magnetizing device often needs workers to manually load and unload the small particle neodymium iron boron magnet raw material and place it on the device. Then the device is magnetized. This way is limited by manual operation and is difficult to achieve efficient production, affecting overall production efficiency. In addition, manual loading may pose a safety hazard and threaten the safety of workers.

[0004] Therefore, it is necessary to design an automatic magnetizing device for neodymium iron boron magnet. UTILITY MODEL CONTENTS

[0005] In order to overcome the shortcomings of traditional automatic magnetizing device, which relies on workers to manually load and is difficult to achieve efficient production, affecting overall production efficiency, the technical problem to be solved by the utility model is to provide an automatic magnetizing device for neodymium iron boron magnet.

[0006] The technical implementation scheme of the utility model is as follows: an automatic magnetizing device for neodymium iron boron magnet, comprising a workbench, a magnetizing coil, an electric push rod, a push plate, a fixing piece, a raw material frame, a loading box, a conveying assembly and a loading mechanism. The workbench top is fixedly connected with the magnetizing coil and the raw material frame. The magnetizing coil top is fixedly connected with the fixing piece, and the fixing piece one end extends into the magnetizing coil. The workbench is provided with a through hole corresponding to the magnetizing coil. The raw material frame bottom is provided with a discharge port. The raw material frame discharge port is provided with a loading mechanism. The workbench is provided with an electric push rod corresponding to the through hole. The electric push rod movable rod is fixedly connected with a push plate. The workbench side close to the electric push rod is provided with a conveying assembly. The conveying assembly is located below the loading pipe. The conveying assembly is movably provided with a loading box.

[0007] In a preferred embodiment of the utility model, the loading mechanism comprises a loading pipe, a first air cylinder and a blocking plate. The raw material frame discharge port is fixedly connected with the loading pipe. One end of the loading pipe penetrates through the workbench. The workbench close to the loading pipe is installed with a first air cylinder. The first air cylinder piston rod is fixedly connected with a blocking plate. The blocking plate is provided with a round hole.

[0008] In a preferred embodiment of the utility model, the top of the push plate is fixedly connected with a limiting block.

[0009] In a preferred embodiment of the utility model, one end of the fixing member inserted into the magnetizing coil is provided with a groove matched with the charging box, and the fixing member groove and the charging box are both connected with a sponge pad.

[0010] In a preferred embodiment of the utility model, the raw material frame is slidably connected with a flow guide plate, and the flow guide plate is designed as a structure concave towards the center.

[0011] In a preferred embodiment of the utility model, a pressure sensor is arranged between the raw material frame and the flow guide plate, an alarm is mounted on the outer wall of the raw material frame, a control unit is arranged in the alarm, and the pressure sensor is electrically connected with the control unit in the alarm.

[0012] In a preferred embodiment of the utility model, a second cylinder is mounted on the workbench, and the piston rod of the second cylinder is fixedly connected with a push block.

[0013] In a preferred embodiment of the utility model, an extension plate is fixedly connected to one side of the conveying assembly, and the extension plate is in contact with the push plate.

[0014] The utility model discloses the beneficial effects are: 1, the utility model discloses the automatic parts such as conveying assembly, electric push rod, charging pipe and second cylinder cooperate, realize from raw material addition, conveying, charging to the whole process automation of magnetizing, greatly reduce manual operation, improve production efficiency.

[0015] 2, the utility model discloses the pressure sensor arranged in the raw material frame can monitor the weight of raw material in real time, timely alarm when the raw material is insufficient, remind the worker to charge, thereby guarantee the continuity and high efficiency of magnetizing work.

[0016] 3, the utility model discloses the design of sponge pad makes the magnet after magnetizing easy to take out, reduces the operation difficulty of worker, improves work efficiency. DRAWINGS

[0017] Figure 1 It is the three-dimensional structure schematic diagram of the utility model.

[0018] Figure 2 It is the three-dimensional structure sectional view of the workbench of the utility model.

[0019] Figure 3 It is the explosion drawing of the magnetizing coil, fixing member and sponge pad of the utility model.

[0020] Figure 4 It is the explosion drawing of the raw material frame, flow guide plate and pressure sensor of the utility model.

[0021] Wherein, the above-mentioned drawings include the following reference signs: 1 - workbench, 2 - magnetizing coil, 3 - electric push rod, 301 - push plate, 302 - limit block, 4 - fixing piece, 401 - sponge pad, 5 - raw material frame, 501 - guide plate, 502 - pressure sensor, 503 - alarm, 6 - loading box, 7 - conveying assembly, 701 - extension plate, 8 - loading pipe, 801 - first air cylinder, 802 - material blocking plate, 9 - second air cylinder, 10 - push block. DETAILED DESCRIPTION

[0022] The utility model will now be described more fully hereinafter with reference to the accompanying drawings, in which currently preferred embodiments of the utility model are shown. The utility model may be, however, carried out in many different forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided for thoroughness and completeness, and fully convey the scope of the utility model to the skilled person.

[0023] Embodiment: A kind of automatic magnetizing device of neodymium iron boron magnet, as Figures 1-4 As shown, it includes workbench 1, magnetizing coil 2, electric push rod 3, push plate 301, fixing piece 4, raw material frame 5, loading box 6, conveying assembly 7 and loading mechanism, workbench 1 top is fixedly connected with magnetizing coil 2 and raw material frame 5, magnetizing coil 2 top is fixedly connected with fixing piece 4, and fixing piece 4 one end extends into magnetizing coil 2, and workbench 1 is provided with the through hole corresponding with magnetizing coil 2, and raw material frame 5 bottom is provided with discharge port, and raw material frame 5 discharge port is provided with loading mechanism, and workbench 1 is provided with electric push rod 3 in the through hole, and the movable rod of electric push rod 3 is fixedly connected with push plate 301, and workbench 1 is provided with conveying assembly 7 on the side close to electric push rod 3, and conveying assembly 7 is located below loading pipe 8, and conveying assembly 7 is movably provided with loading box 6, and loading mechanism includes loading pipe 8, first air cylinder 801 and material blocking plate 802, and raw material frame 5 discharge port is fixedly connected with loading pipe 8, and loading pipe 8 one end passes through workbench 1, and workbench 1 is installed with first air cylinder 801 near loading pipe 8, and the piston rod of first air cylinder 801 is fixedly connected with material blocking plate 802, and material blocking plate 802 is provided with round hole, here, electric push rod 3 is started, and the movable rod of electric push rod 3 extends outward, and the movable rod of electric push rod 3 drives push plate 301 and raw material to move upwards, so that push plate 301 and raw material pass through workbench 1 and enter magnetizing coil 2, and electric push rod 3 stops running, and then magnetizing coil 2 is powered, so that raw material is magnetized.

[0024] As Figure 2 As shown, push plate 301 top is fixedly connected with limit block 302, here, the design of limit block 302 can limit loading box 6, prevent loading box 6 from falling off from push plate 301, ensure that magnetizing work is stably carried out.

[0025] As Figures 2-3 shown, the fixed part 4 extends into the charging coil 2 one end opening with the loading box 6 is adapted to the groove, the fixed part 4 groove and loading box 6 are connected with the sponge pad 401, here, the sponge pad 401 and the loading box 6 are movably connected, through the design of the sponge pad 401 can facilitate workers to take out the Nd-Fe-B magnet after charging, by taking out the sponge pad 401 together with the magnet, effectively reduce the operation difficulty of workers unloading, improve work efficiency.

[0026] As Figure 4 shown, the raw material frame 5 is slidably connected with the guide plate 501, the guide plate 501 is designed as a structure with the center concave, the raw material frame 5 and the guide plate 501 are provided with a pressure sensor 502, the raw material frame 5 is provided with an alarm 503, the alarm 503 is provided with a control unit, the pressure sensor 502 and the control unit in the alarm 503 are electrically connected, here, when the raw material in the raw material frame 5 decreases, the pressure sensor 502 in the raw material frame 5 senses that the weight of the raw material is lower than the preset value, the pressure sensor 502 sends an electric signal to the alarm 503, the alarm 503 sends an alarm sound after responding to the signal, so as to remind the workers to add material, ensure the continuity and efficiency of the magnetizing work.

[0027] As Figure 2 shown, the workbench 1 is provided with a second cylinder 9, the piston rod of the second cylinder 9 is fixedly connected with a push block 10, the second cylinder 9 is started, the piston rod of the second cylinder 9 extends outward, the piston rod of the second cylinder 9 drives the push block 10 to move outward, the push block 10 pushes the loading box 6 away from the push plate 301, so as to complete the work of discharging.

[0028] As Figure 2 shown, the conveying assembly 7 is fixedly connected with an extension plate 701 on one side, the extension plate 701 is in contact with the push plate 301, here, the design of the extension plate 701 can ensure that the loading box 6 moves stably to the push plate 301, effectively ensure the stability of the device.

[0029] The device is used for magnetizing neodymium iron boron magnets, when in use, a sufficient amount of raw materials is added into the raw material frame 5, then the conveying assembly 7 is started, the charging box 6 is intermittently conveyed to the direction of the electric push rod 3 through the conveying assembly 7, when the charging box 6 moves to the position below the raw material frame 5, the conveying assembly 7 stops conveying, then the first air cylinder 801 is started, the first air cylinder 801 drives the piston rod to retract inward, and then drives the blocking plate 802 to move to the direction of the first air cylinder 801, until the circular hole on the blocking plate 802 corresponds to the charging pipe 8, the blocking plate 802 no longer blocks the raw materials, so that the raw materials in the raw material frame 5 fall into the charging box 6 under the action of gravity, then the first air cylinder 801 drives the blocking plate 802 to reset, the blocking plate 802 blocks the raw materials again, then the conveying assembly 7 continues to convey the charging box 6, until the charging box 6 moves to the push plate 301, the feeding is completed, then the electric push rod 3 is started, the movable rod of the electric push rod 3 extends outward, the movable rod of the electric push rod 3 drives the charging box 6 on the push plate 301 to move upward, so that the charging box 6 passes through the workbench 1 and enters the magnetizing coil 2, until the charging box 6 enters the groove of the fixed part 4, the electric push rod 3 stops running, then the magnetizing coil 2 is powered on, so that the magnetizing coil 2 magnetizes the raw materials in the charging box 6, after the magnetizing work is completed, the movable rod of the electric push rod 3 resets, and then drives the charging box 6 on the push plate 301 to move downward, so that the charging box 6 exits the magnetizing coil 2, then the second air cylinder 9 is started, the piston rod of the second air cylinder 9 extends outward, the piston rod of the second air cylinder 9 drives the push block 10 to move outward, so that the push block 10 pushes the charging box 6 away from the push plate 301 to discharge, thus the magnetizing work of the raw materials is completed.

[0030] The technical principles of the embodiments of the present application are described above in combination with specific embodiments. These descriptions are only for explaining the principles of the embodiments of the present application, and cannot be interpreted as limiting the protection scope of the embodiments of the present application in any way. Based on the explanations herein, other specific embodiments of the embodiments of the present application can be conceived by those skilled in the art without creative labor, and these embodiments will fall within the protection scope of the embodiments of the present application.

Claims

1. An automatic magnetizing device for neodymium iron boron magnets, comprising a worktable (1), characterized in that: It also includes a magnetizing coil (2), an electric push rod (3), a push plate (301), a fixing part (4), a raw material frame (5), a loading box (6), a conveying assembly (7), and a loading mechanism. The top of the workbench (1) is fixedly connected to the magnetizing coil (2) and the raw material frame (5). The top of the magnetizing coil (2) is fixedly connected to the fixing part (4). One end of the fixing part (4) extends into the magnetizing coil (2). The workbench (1) has a through hole corresponding to the magnetizing coil (2). The bottom of the raw material frame (5) is provided with a discharge port. The discharge port of the raw material frame (5) is provided with a loading mechanism. The workbench (1) is provided with an electric push rod (3) corresponding to the through hole. The movable rod of the electric push rod (3) is fixedly connected to the push plate (301). The side of the workbench (1) near the electric push rod (3) is provided with a conveying assembly (7). The conveying assembly (7) is located below the raw material frame (5). The loading box (6) is movably provided on the conveying assembly (7).

2. An automatic magnetizing device for neodymium iron boron magnets according to claim 1, characterized in that: The loading mechanism includes a loading pipe (8), a first cylinder (801), and a baffle plate (802). The loading pipe (8) is fixedly connected to the material discharge port of the raw material frame (5). One end of the loading pipe (8) passes through the workbench (1). The first cylinder (801) is installed on the workbench (1) near the loading pipe (8). The piston rod of the first cylinder (801) is fixedly connected to the baffle plate (802). The baffle plate (802) has a round hole.

3. An automatic magnetizing device for neodymium iron boron magnets according to claim 2, characterized in that: A limit block (302) is fixedly connected to the top of the push plate (301).

4. An automatic magnetizing device for neodymium iron boron magnets according to claim 3, characterized in that: The end of the fixing member (4) that extends into the magnetizing coil (2) has a groove that matches the material box (6). Both the groove of the fixing member (4) and the inside of the material box (6) are connected to a sponge pad (401).

5. An automatic magnetizing device for neodymium iron boron magnets according to claim 4, characterized in that: The material frame (5) has a sliding connection with a guide plate (501), which is designed to be concave from all sides to the center.

6. An automatic magnetizing device for neodymium iron boron magnets according to claim 5, characterized in that: A pressure sensor (502) is provided between the raw material frame (5) and the guide plate (501). An alarm (503) is installed on the outer wall of the raw material frame (5). A control unit is provided inside the alarm (503). The pressure sensor (502) is electrically connected to the control unit inside the alarm (503).

7. An automatic magnetizing device for neodymium iron boron magnets according to claim 6, characterized in that: A second cylinder (9) is installed on the workbench (1), and a push block (10) is fixedly connected to the piston rod of the second cylinder (9).

8. An automatic magnetizing device for neodymium iron boron magnets according to claim 7, characterized in that: An extension plate (701) is fixedly connected to one side of the conveying assembly (7), and the extension plate (701) is in contact with the push plate (301).