High-temperature sintering device for neodymium-iron-boron magnet

Abstract

The invention relates to the technical field of sintering devices, and discloses a neodymium-iron-boron magnet high-temperature sintering device which comprises a working box, supporting blocks are fixedly connected to the four corners of the bottom of the working box, a box door is rotationally arranged on the front end face of the working box, and a control panel is installed at the bottom of the box door; and a working cavity is formed in the working box, a circular groove is formed in the bottom end in the working cavity, a servo motor is fixedly installed in the circular groove, and the output end of the servo motor is fixedly connected with a containing disc. Through the structural design of a limiting frame, a limiting screw rod, a limiting pad, a placing disc, a limiting sliding groove, a connecting rod, a limiting sliding block, a servo motor and a circular groove, the container body can be conveniently limited and fixed, so that the situation that the container body is separated from the placing disc when rotating, and the safety is low can be avoided, and meanwhile when the placing disc rotates, the container body is prevented from being separated from the placing disc. And the limiting sliding blocks can be driven by the connecting rods to slide in the limiting sliding grooves, so that the stability of the placement disc during rotation can be improved.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of sintering devices, in particular to a high-temperature sintering device for a neodymium-iron-boron magnet. BACKGROUND

[0002] The rare earth neodymium-iron-boron permanent magnet refers to an alloy formed by rare earth metals and transition metals, and in the processing and preparation, the microwave high-temperature sintering device is used for heating treatment. The microwave high-temperature sintering device radiates microwaves to objects, electromagnetic waves enter the object and rub against the molecules constituting the object to generate heat, and the sintering process is completed through the absorption of microwave energy by the material to a certain high temperature.

[0003] According to the search, the patent with the patent publication number CN222552168U discloses a microwave high-temperature sintering device for preparing a rare earth neodymium-iron-boron permanent magnet. The device comprises a box body, a heating mechanism, a placing disc and a clamping mechanism. The heating mechanism is installed on the inner walls of the two sides of the box body. The placing disc is rotatably installed on the inner wall of the bottom of the box body. The clamping mechanism is arranged in the box body. The clamping mechanism comprises a control box, a moving hole and a clamping seat. The control box is slidably installed on the inner walls of the two sides of the box body. The moving hole is formed in the inner wall of the bottom of the control box. The clamping seat is slidably installed in the moving hole. The two clamping seats are adapted to each other. Two driving seats are slidably installed on the inner wall of the top of the box body. The driving seats are fixedly connected with the control box. The device has a reasonable design, and can conveniently take out the sintered rare earth neodymium-iron-boron permanent magnet and avoid the scalding of the workers caused by the high temperature in the box body. However, the device rotates the container containing the rare earth neodymium-iron-boron permanent magnet through the placing disc to achieve uniform heating. However, the container containing the rare earth neodymium-iron-boron permanent magnet is easily separated from the placing disc due to the lack of an effective limiting mechanism, and the safety is low.

[0004] The above information disclosed in the background technology is only used to increase the understanding of the background technology of the application, and should not be regarded as acknowledging or implying in any form that the information constitutes the prior art known to those skilled in the art. SUMMARY

[0005] The purpose of the present application is to provide a high-temperature sintering device for a neodymium-iron-boron magnet, which solves the problem that the patent in the background technology rotates the container containing the rare earth neodymium-iron-boron permanent magnet through the placing disc to achieve uniform heating, but the container containing the rare earth neodymium-iron-boron permanent magnet is easily separated from the placing disc due to the lack of an effective limiting mechanism, and the safety is low.

[0006] In order to solve the above technical problems, the present application provides the following technical scheme:

[0007] The utility model provides a kind of neodymium iron boron magnet high-temperature sintering device, including working box, the four corners of the bottom of the working box are all fixedly connected with support block, the front end surface of the working box is rotatably provided with box door, and the bottom of the box door is installed with control panel;The inside of the working box is equipped with working cavity, the inside bottom end of the working cavity is provided with circular groove, the inside of the circular groove is fixedly installed with servo motor, the output of the servo motor is fixedly connected with placing disc, and the lower portion of the placing disc is located in the inside bottom end of working cavity and is provided with limiting sliding slot, the inner wall of the limiting sliding slot is slidably provided with limiting sliding block, the top of the limiting sliding block is fixedly connected with connecting rod, and the top of connecting rod is fixedly connected with the bottom of placing disc;Limiting component, the limiting component is arranged on the top of placing disc, and the limiting component includes limiting frame fixedly arranged on the top of placing disc, a plurality of limiting screws are threadedly installed on the surface of the limiting frame, and one end of the limiting screw is fixedly connected with limiting pad.

[0008] Preferably, a container body is movably placed between the two adjacent limiting pads, the top of the container body is fixedly connected with a connecting block, the top of the connecting block is fixedly connected with a hanging rope, and the top of the hanging rope is fixedly connected with a hanging ring.

[0009] Preferably, a forward-reverse motor is fixedly installed at the inside top end of the working cavity, and the output of the forward-reverse motor is fixedly connected with a transmission screw.

[0010] Preferably, a moving block is threadedly installed on the outer wall of the transmission screw, the upper end surface of the moving block is movably provided with a limiting rod, and the bottom of the moving block is fixedly connected with a connecting plate.

[0011] Preferably, a telescopic air cylinder is fixedly installed at the bottom of the connecting plate, the output of the telescopic air cylinder is fixedly connected with a transmission plate, and the two sides of the bottom of the transmission plate are fixedly connected with L-shaped blocks.

[0012] Preferably, microwave heating mechanisms are installed on the two sides of the inner wall of the working cavity, a fixing groove is formed above one of the microwave heating mechanisms, and a temperature sensor is installed in the fixing groove.

[0013] Compared with the prior art, the present application has the following advantages:

[0014] 1、Through the structural design of limiting frame, limiting screw, limiting pad, placing disc, limiting sliding slot, connecting rod, limiting sliding block, servo motor and circular groove, the container body can be conveniently limited and fixed, so that the container body can be prevented from detaching from the placing disc when rotating, and the safety is low.

[0015] 2、Through the structure design of the microwave heating mechanism, the container body, the telescopic air cylinder, the transmission plate, the block, the hanging ring, the hanging rope, the connecting block, the forward and reverse motor, the limiting rod, the moving block, the transmission screw rod and the connecting plate, microwaves can be generated by the microwave heating mechanism, so that the rare earth neodymium iron boron permanent magnet in the container body is heated by microwaves, and the sintered rare earth neodymium iron boron permanent magnet can be conveniently taken out, so that the scalding of workers caused by high temperature in the working cavity is avoided, and the safety is high. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the overall structure of the application. Partial schematic view;

[0017] Figure 2 It is the internal partial structure of the working cavity of the application. Schematic view;

[0018] Figure 3 It is the partial structure of the application mainly embodying the limiting screw rod and the limiting pad. Schematic view;

[0019] Figure 4 It is the partial structure of the application mainly embodying the transmission screw rod. Schematic view;

[0020] Figure 5 It is the partial structure of the application mainly embodying the limiting sliding groove and the limiting sliding block. Schematic view.

[0021] Wherein: 1, working box; 2, support block; 3, box door; 4, control panel; 5, working cavity; 6, fixed groove; 7, temperature sensor; 8, microwave heating mechanism; 9, container body; 10, telescopic air cylinder; 11, transmission plate; 12, block; 13, hanging ring; 14, hanging rope; 15, connecting block; 16, limiting frame; 17, limiting screw rod; 18, limiting pad; 19, placing disc; 20, forward and reverse motor; 21, limiting rod; 22, moving block; 23, transmission screw rod; 24, connecting plate; 25, limiting sliding groove; 26, connecting rod; 27, limiting sliding block; 28, servo motor; 29, circular groove. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the application will be clearly and completely described below with reference to the drawings in the embodiments of the application. Obviously, the described embodiments are only part of the embodiments of the application, rather than all the embodiments of the application. Based on the embodiments in the application, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the application.

[0023] Please refer to Figures 1-5 A neodymium iron boron magnet high-temperature sintering device, comprising a working box 1, support blocks 2 are fixedly connected at the four corners of the bottom of the working box 1, a box door 3 is rotatably arranged at the front end face of the working box 1, and a control panel 4 is mounted at the bottom of the box door 3.

[0024] The inside of the working box 1 is provided with a working cavity 5, a circular groove 29 is arranged at the bottom of the working cavity 5, a servo motor 28 is fixedly installed in the circular groove 29, a placing disc 19 is fixedly connected to the output end of the servo motor 28, a limiting sliding groove 25 is arranged at the bottom of the working cavity 5 below the placing disc 19, a limiting sliding block 27 is slidably arranged on the inner wall of the limiting sliding groove 25, a connecting rod 26 is fixedly connected to the top of the limiting sliding block 27, and the top of the connecting rod 26 is fixedly connected to the bottom of the placing disc 19;

[0025] A limiting assembly is arranged on the top of the placing disc 19, and the limiting assembly comprises a limiting frame 16 fixedly arranged on the top of the placing disc 19, a plurality of limiting screws 17 are threadedly installed on the surface of the limiting frame 16, and a limiting pad 18 is fixedly connected to one end of the limiting screw 17;

[0026] Microwave heating mechanisms 8 are arranged on both sides of the inner wall of the working cavity 5, a fixing groove 6 is arranged above one of the microwave heating mechanisms 8, and a temperature sensor 7 is arranged in the fixing groove 6;

[0027] Specifically, as shown in Figure 1 、 Figure 2 、 Figure 3 and Figure 5 , during use, the plurality of limiting screws 17 can be rotated to drive the limiting pad 18 to move towards the container body 9 until the outer wall of the container body 9 is in contact and effectively limited and fixed, thereby facilitating the limiting and fixing of the container body 9, so that the container body 9 can be prevented from being separated from the placing disc 19 during rotation, and the safety is improved. When the placing disc 19 rotates, the connecting rod 26 can drive the limiting sliding block 27 to slide in the limiting sliding groove 25, thereby improving the stability of the placing disc 19 during rotation, and solving the problem that the container containing the rare earth neodymium-iron-boron permanent magnet is easily separated from the placing disc 19 or even turned over during rotation due to the lack of an effective limiting mechanism, thereby improving the safety.

[0028] The container body 9 is movably arranged between two adjacent limiting pads 18, the top of the container body 9 is fixedly connected with a connecting block 15, the top of the connecting block 15 is fixedly connected with a hanging rope 14, the top of the hanging rope 14 is fixedly connected with a hanging ring 13, the inner top end of the working cavity 5 is fixedly installed with a reversible motor 20, the output end of the reversible motor 20 is fixedly connected with a transmission screw 23, the outer wall of the transmission screw 23 is threadedly installed with a moving block 22, the upper end surface of the moving block 22 is movably provided with a limiting rod 21, the bottom of the moving block 22 is fixedly connected with a connecting plate 24, the bottom of the connecting plate 24 is fixedly installed with a telescopic cylinder 10, the output end of the telescopic cylinder 10 is fixedly connected with a transmission plate 11, and the both sides of the bottom of the transmission plate 11 are fixedly connected with a U-shaped block 12.

[0029] Specifically, as shown in Figure 1 、 Figure 2 and Figure 4 , in use, microwaves can be generated by the microwave heating mechanism 8 to heat the rare earth neodymium iron boron permanent magnet in the container body 9, and when the rare earth neodymium iron boron permanent magnet in the container body 9 is sintered, the reversible motor 20 can be started by operating the control panel 4, the transmission screw 23 connected to the output end of the reversible motor 20 can be rotated, the moving block 22 can be moved by the rotation of the transmission screw 23, the telescopic cylinder 10 can be moved by the moving block 22 through the connecting plate 24, the U-shaped block 12 can be moved by the telescopic cylinder 10 through the transmission plate 11, until the lower end of the U-shaped block 12 passes through the inside of the hanging ring 13, then the telescopic cylinder 10 is started by operating the control panel 4, the transmission plate 11 can be moved upward by the output end of the telescopic cylinder 10, the hanging ring 13 can be moved downward by the transmission plate 11 through the U-shaped block 12, until the bottom end of the hanging ring 13 is higher than the limiting frame 16, at this time, the container body 9 can be moved to the opening of the working cavity 5 by the movement of the transmission plate 11, so as to facilitate the removal of the sintered rare earth neodymium iron boron permanent magnet, thereby avoiding the high temperature in the working cavity 5 from causing burns to the workers, and the safety is high.

[0030] Working principle: in the application, when the container body 9 is placed on the placing disc 19 and located inside the limiting frame 16, the limiting screw 17 can be rotated to drive the limiting pad 18 to move towards the container body 9 until the outer wall of the container body 9 is contacted and effectively limited and fixed, thereby avoiding the container body 9 from being separated from the placing disc 19 when rotating, and the safety is low. Secondly, the microwave heating mechanism 8 can generate microwaves to heat the rare earth neodymium iron boron permanent magnet in the container body 9, and when the rare earth neodymium iron boron permanent magnet in the container body 9 is sintered, the forward and reverse motor 20 can be started by operating the control panel 4, the transmission screw 23 connected to the output end of the forward and reverse motor 20 can be rotated, the moving block 22 can be moved by the rotation of the transmission screw 23, the telescopic air cylinder 10 can be moved by the moving block 22 through the connecting plate 24, the L-shaped block 12 can be moved by the telescopic air cylinder 10 through the transmission plate 11, until the lower end of the L-shaped block 12 passes through the inside of the hanging ring 13, then the telescopic air cylinder 10 is started by operating the control panel 4, the transmission plate 11 can be moved upwards by the output end of the telescopic air cylinder 10, the hanging ring 13 can be moved downwards by the transmission plate 11 through the L-shaped block 12, until the bottom end of the hanging ring 13 is higher than the limiting frame 16, at this time, the container body 9 can be moved towards the cavity opening of the working cavity 5 by the movement of the transmission plate 11, thereby facilitating the taking out of the sintered rare earth neodymium iron boron permanent magnet, thereby avoiding the high temperature in the working cavity 5 from causing the worker to be scalded, and the safety is high.

[0031] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A high-temperature sintering apparatus for neodymium iron boron magnets, characterized in that, include: The work box (1) has support blocks (2) fixedly connected to the four corners of the bottom of the work box (1). The front end of the work box (1) is provided with a door (3), and the bottom of the door (3) is equipped with a control panel (4). The working box (1) has a working cavity (5) inside. A circular groove (29) is opened at the bottom of the working cavity (5). A servo motor (28) is fixedly installed inside the circular groove (29). A placement plate (19) is fixedly connected to the output end of the servo motor (28). A limiting groove (25) is opened at the bottom of the working cavity (5) below the placement plate (19). A limiting slider (27) is slidably arranged on the inner wall of the limiting groove (25). A connecting rod (26) is fixedly connected to the top of the limiting slider (27), and the top of the connecting rod (26) is fixedly connected to the bottom of the placement plate (19). A limiting component is provided on the top of the placement tray (19). The limiting component includes a limiting frame (16) fixedly provided on the top of the placement tray (19). Multiple limiting screws (17) are threaded through the surface of the limiting frame (16). One end of the limiting screw (17) is fixedly connected to a limiting pad (18).

2. The high-temperature sintering apparatus for NdFeB magnets according to claim 1, characterized in that: A container body (9) is movably placed between two adjacent limiting pads (18). A connecting block (15) is fixedly connected to the top of the container body (9). A hanging rope (14) is fixedly connected to the top of the connecting block (15). A hanging ring (13) is fixedly connected to the top of the hanging rope (14).

3. The high-temperature sintering apparatus for NdFeB magnets according to claim 2, characterized in that: A forward and reverse motor (20) is fixedly installed at the top of the inner cavity (5), and a transmission screw (23) is fixedly connected to the output end of the forward and reverse motor (20).

4. The high-temperature sintering apparatus for NdFeB magnets according to claim 3, characterized in that: A movable block (22) is threadedly installed on the outer wall of the transmission screw (23). A limit rod (21) is movably provided through the upper surface of the movable block (22). A connecting plate (24) is fixedly connected to the bottom of the movable block (22).

5. The high-temperature sintering apparatus for NdFeB magnets according to claim 4, characterized in that: A telescopic cylinder (10) is fixedly installed at the bottom of the connecting plate (24), and a transmission plate (11) is fixedly connected to the output end of the telescopic cylinder (10). Both sides of the bottom of the transmission plate (11) are fixedly connected to a U-shaped block (12).

6. The high-temperature sintering apparatus for NdFeB magnets according to claim 1, characterized in that: Microwave heating mechanisms (8) are installed on both sides of the inner wall of the working cavity (5). A fixing groove (6) is provided above one of the microwave heating mechanisms (8), and a temperature sensor (7) is installed inside the fixing groove (6).

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