CN-224230665-U - Vacuum induction cooker smelting device for neodymium iron boron sintering

Abstract

The utility model relates to the technical field of magnet sintering, in particular to a vacuum induction cooker smelting device for neodymium iron boron sintering, which comprises a vacuum induction cooker body, wherein the vacuum induction cooker body is a main body of the smelting device, a plurality of supports are fixedly arranged at the bottom of the vacuum induction cooker body and used for stably supporting the vacuum induction cooker body, a hinging seat is fixedly arranged on one side of a feed inlet of the vacuum induction cooker body, a furnace door is rotatably arranged on the hinging seat, and the furnace door can be hermetically embedded and butted to the feed inlet of the vacuum induction cooker body. According to the utility model, through the cooperation of the rails and the material rack moving wheels, the material rack is ensured to accurately slide into the furnace, friction or collision with the inner wall of the hearth is avoided, the feeding stability is improved, and in the pushing process of the material rack, the moving wheels press the wedge blocks and are reset and sprung by the springs to lock, so that the fixity of the material rack in the furnace is enhanced, and the deviation caused by vibration is prevented.

Inventors

• LU XINCHUN
• ZHU QINQING
• ZHANG SHIWEI
• GUO SHIHAN
• Sun Peidan
• ZHAO HUALI
• OUYANG ZHE
• XIE XUBO

Assignees

• 宁波元辰新材料有限公司

Dates

Publication Date

20260512

Application Date

20250529

Claims (6)

1. 1. The utility model provides a vacuum induction cooker smelting device for neodymium iron boron sintering, includes vacuum induction cooker body (1), support (101) and furnace gate (2), a plurality of supports (101) are fixed to vacuum induction cooker body (1) bottom, the feed inlet department one side of vacuum induction cooker body (1) is fixed and is provided with articulated seat (102), articulated seat (102) are gone up to rotate and are installed furnace gate (2); The vacuum induction cooker is characterized by further comprising a material frame (3), moving wheels (4), rails (5), wedge blocks (6) and a guide rod I (7), wherein two parallel rails (5) are symmetrically and fixedly arranged at the bottom of the inner wall of the vacuum induction cooker body (1), the material frame (3) is assembled in a sliding butt joint mode on the rails (5), the rails (5) face the opening of the material frame (3) towards one side of a feeding hole of the vacuum induction cooker body (1), two groups of moving wheels (4) are rotatably assembled at the bottom of the material frame (3), each group of moving wheels (4) are not less than two, two groups of moving wheels (4) are respectively matched with two rails (5) in a sliding mode, the rails (5) are close to the position of the moving wheels (4) on the material frame (3), one spring (8) is arranged between the rails (5) and the wedge blocks (6), the number of the wedge blocks (6) is consistent with the moving wheels (4) of the material frame (3), and the inclined surfaces of the rails (6) face the opening of the rails (5).
2. 2. The vacuum induction cooker smelting device for neodymium iron boron sintering according to claim 1, wherein the installation plate (91) is fixedly connected to the outer wall of the bottom of the vacuum induction cooker body (1), the second guide rod (9) is fixedly connected to the installation plate (91), the second guide rod (9) is fixedly and hermetically penetrated into the vacuum induction cooker body (1), the contact plate (61) is slidably installed on the second guide rod (9), the contact plate (61) is located above the wedge block (6) and is in contact with each other, and a driving piece for driving the contact plate (61) is arranged on the installation plate (91).
3. 3. The vacuum induction cooker smelting device for neodymium iron boron sintering according to claim 2, wherein the driving piece comprises a motor (10) and a screw rod (12), the motor (10) is fixedly installed on the installation plate (91), the screw rod (12) is fixedly connected to an output shaft of the motor (10), the screw rod (12) rotates to penetrate through the bottom of a shell of the vacuum induction cooker body (1), and the screw rod (12) is in threaded fit with the contact plate (61).
4. 4. A vacuum induction cooker smelting device for neodymium iron boron sintering according to claim 3, characterized in that a screw thread is not arranged at a rod section of the screw rod (12) penetrating through the outer shell of the vacuum induction cooker body (1), a sealing sleeve (11) is arranged at a rod section of the screw rod (12) without the screw thread, and the sealing sleeve (11) is covered at the joint of the screw rod (12) and the outer shell of the vacuum induction cooker body (1) in a sealing manner.
5. 5. The vacuum induction cooker smelting device for neodymium iron boron sintering according to claim 4, wherein a fixed rod (13) is fixedly connected to one side, far away from the hinging seat (102), of the furnace door (2), a sliding rod (14) is sleeved on the fixed rod (13) in a sliding manner, a spring III (15) is arranged between the fixed rod (13) and the sliding rod (14), and a locking piece for locking the sliding rod (14) is arranged at the outer shell of the vacuum induction cooker body (1).
6. 6. The vacuum induction cooker smelting device for neodymium iron boron sintering according to claim 5, wherein the locking piece comprises a fixed plate (16) and a wedge-shaped frame (17), the fixed plate (16) is fixedly connected to one side, far away from a feeding hole of the base, of the shell of the vacuum induction cooker body (1), the wedge-shaped frame (17) is fixedly arranged on the fixed plate (16), one side of the wedge-shaped frame (17) is a bevel edge, and the other side of the wedge-shaped frame (17) is perpendicular to the fixed plate (16).

Description

Vacuum induction cooker smelting device for neodymium iron boron sintering Technical Field The utility model relates to the technical field of magnet sintering, in particular to a vacuum induction cooker smelting device for neodymium iron boron sintering. Background Neodymium iron boron permanent magnet materials are widely used in various high-tech fields such as electronics, information technology, automobile industry, medical equipment and the like due to their excellent magnetic properties. In the production process, the sintering process is one of the key links, and determines the density, microstructure and magnetic properties of the final product. The vacuum electromagnetic furnace smelting device is used as core equipment for neodymium iron boron sintering, and the densification and grain boundary diffusion processes of the blank are completed under a high-temperature and strictly controlled vacuum environment. However, the conventional vacuum induction cooker smelting device for neodymium iron boron sintering has remarkable technical challenges in material loading and fixing, firstly, a rack filled with blanks is heavy in design and lacks of self-moving capability, and the rack must be transported by a forklift or hydraulic conveying equipment, so that not only is the operation steps increased, but also the labor intensity and the safety risk are improved, secondly, in the feeding process, the requirement on the butt joint precision between a trolley and a furnace body is extremely high, any fine deviation can cause material clamping or collision to the inner wall of a hearth, the service life and the maintenance cost of the equipment are further influenced, the production efficiency is limited, and challenges are presented to the consistency of the product quality, so that the vacuum induction cooker smelting device for neodymium iron boron sintering is provided, the existing vacuum induction cooker smelting equipment is improved, and the loading and unloading work of the materials is more efficiently and safely completed. Disclosure of utility model In order to overcome the defects in the prior art, the utility model provides a vacuum induction cooker smelting device for neodymium iron boron sintering. The technical embodiment of the utility model relates to a vacuum induction cooker smelting device for neodymium iron boron sintering, which comprises a vacuum induction cooker body, a bracket and a furnace door, wherein the vacuum induction cooker body is a main body of the smelting device, a plurality of brackets are fixedly arranged at the bottom of the vacuum induction cooker body and used for stably supporting the vacuum induction cooker body, a hinging seat is fixedly arranged at one side of a feed inlet of the vacuum induction cooker body, the furnace door is rotatably arranged on the hinging seat, the furnace door can be hermetically embedded and butted to the feed inlet of the vacuum induction cooker body, the vacuum induction cooker smelting device further comprises a material rest, moving wheels, rails, wedge blocks and a guide rod I, two parallel rails are symmetrically and fixedly arranged at the bottom of the inner wall of the vacuum induction cooker body, the rails are provided with the material rest in a sliding butt joint manner, two groups of moving wheels are rotatably arranged at the bottom of the material rest, each group of moving wheels is provided with at least two groups of moving wheels, the two groups of moving wheels are respectively slidably matched with two rails, the rails are close to the position of the moving wheels on the material rest, the sliding blocks and the wedge blocks are arranged between the wedge blocks and the wedge blocks are arranged at the positions close to the material rest, and the wedge blocks are arranged between the wedge blocks, and the wedge blocks are arranged towards the positions of the rails, and the wedge blocks are arranged between the wedge blocks. Further, fixedly connected mounting plate on the outer wall of vacuum induction cooker body bottom, fixedly connected with guide arm two on the mounting plate, guide arm two is sealed fixed to run through to the vacuum induction cooker is internal, slidable mounting has the contact plate on the guide arm two, the contact plate is located wedge top and mutual contact, be provided with the driving piece that is used for driving the contact plate on the mounting plate. Further, the driving piece comprises a motor and a screw rod, the motor is fixedly installed on the mounting plate, the screw rod is fixedly connected to an output shaft of the motor, the screw rod rotates to penetrate through the bottom of the shell of the vacuum induction cooker body, and the screw rod is in threaded fit with the contact plate. Further, the screw rod penetrates through the rod section of the vacuum induction cooker body shell and is not provided with threads, the rod section of the screw rod, which is not provi