Sintering device for neodymium iron boron production

Through the combined structure of guide rod, placement assembly, installation assembly, fixation assembly and support assembly, the problem of insufficient fixation in traditional neodymium iron boron sintering devices is solved, and the stability and processing efficiency of the blank are improved.

CN223284836UActive Publication Date: 2025-08-29TIANJIN NIBBOH MAGNETS
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Patent Information

Application Number
CN202422360324.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-26
Publication Date
2025-08-29
Estimated Expiration
2034-09-26

AI Technical Summary

Technical Problem

During the processing process of traditional neodymium iron boron sintering devices, the blank structure is not fixed enough, resulting in the blank being easily damaged during loading and processing.

Method used

The combined structure of guide rod, placement assembly, installation assembly, fixing assembly, connection assembly and support assembly is adopted. The placement assembly is installed through guide rods, heating the heating module, and quickly installing and fixing the blank with the installation assembly and fixing assembly. The connecting assembly is used to achieve the connection of multiple sets of placement assembly, and the support assembly is used to improve the stability of the device.

Benefits of technology

The stability and fixity of the blank during the processing process are achieved, the blank damage is reduced, and the device's use stability and processing efficiency are improved.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of neodymium iron boron production, in particular to a sintering device for neodymium iron boron production. The technical problems that when a traditional neodymium iron boron sintering device is used for machining a blank, the structure of the blank is not fixed enough, and the blank is prone to being damaged during feeding and machining are solved. According to the technical scheme, the sintering device for neodymium iron boron production comprises a furnace body, a placing assembly, a mounting assembly, a fixing assembly, a connecting assembly, a supporting assembly, a guide rod and a heating module; compared with the situation that when a traditional neodymium iron boron sintering device is used for machining blanks, the structures of the blanks are not fixed enough, and the blanks are prone to being damaged in the feeding and machining process, the neodymium iron boron sintering device can rapidly feed and connect carriers containing multiple sets of blanks through the guide structure and the connecting structure, and the production efficiency is improved. And the stability of the green body is improved by sleeving a structure capable of fixing the green body above each group of carriers, so that the situation that the green body structure is damaged in the processing process is reduced.
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Description

Technical Field

[0001] The utility model relates to the technical field of NdFeB production, in particular to a sintering device for NdFeB production. Background Art

[0002] NdFeB sintering equipment is a device used to produce NdFeB magnets. This equipment compresses NdFeB magnetic powder into the desired shape and sinters it at high temperatures to achieve the desired physical and magnetic properties. The basic operating principle of an NdFeB sintering unit is to load the powder into a mold and apply high pressure to solidify it into a solid billet. This solid billet is then placed in a high-temperature furnace for sintering at high temperatures. During this process, the sintering temperature and time must be precisely controlled to achieve optimal magnetic properties. The final product is an NdFeB magnet with high magnetic properties and a stable structure. These magnets are widely used in many applications, such as electric vehicles, power tools, and computer hard drives. However, in traditional NdFeB sintering equipment, the raw materials of neodymium, iron, and boron powder are heated to high temperatures using sintering technology to melt and form a bulk magnet. However, these traditional NdFeB sintering units do not provide a stable billet structure during processing, making the billet susceptible to damage during loading and processing. Utility Model Content

[0003] In order to overcome the problems in the daily use of traditional NdFeB sintering devices, the NdFeB sintering device adopts sintering technology to heat the NdFeB powder to a high temperature to melt and form a block magnet. However, when the traditional NdFeB sintering device processes the blank, the blank structure is not fixed enough, and the blank is easily damaged during loading and processing.

[0004] The technical solution of the utility model is: a sintering device for neodymium iron boron production, including a furnace body, a placement component, an installation component, a fixing component, a connecting component, a supporting component, a guide rod and a heating module; a guide rod is provided on the inner side of the furnace body, a heating module is provided on the inner side of the furnace body, a placement component with a placement function is provided on the outer side of the guide rod, a mounting component with an installation function is provided above the placement component, a fixing component with a fixing function is provided on the inner side of the installation component, a connecting component with a connecting function is provided below the placement component, and a supporting component with a supporting function is provided below the furnace body.

[0005] Preferably, the placement component is installed through the guide rod, the inside of the furnace body is heated through the heating module, the raw material blank can be placed through the placement component, the fixed component can be quickly installed through the installation component, the blank can be fixed through the fixing component, multiple groups of placement components can be connected through the connecting component, and the device can be supported and shock-absorbing through the supporting component.

[0006] Preferably, the placement assembly includes a movable plate and a graphite plate; a movable plate is provided on the outer side of the guide rod, and a graphite plate is provided on the inner side of the movable plate. The movable plate and the guide rod are slidably connected. When in use, the movable plate can be installed by inserting the movable plate into the guide rod, the blank can be placed through the movable plate, and the thermal conductivity of the blank when heated can be improved through the graphite plate.

[0007] Preferably, the mounting assembly includes a mounting rod and a mounting plate; a mounting rod is provided above the movable plate, and a mounting plate is provided on the outside of the mounting rod. The mounting plate and the mounting rod are slidably connected. When in use, the mounting plate can be quickly installed through the mounting rod.

[0008] Preferably, the fixing assembly includes a threaded rod, a handle and a first fixing frame; a threaded rod is provided on the inner side of the mounting plate, a handle is provided at one end of the threaded rod, two opposite threads are provided on the threaded rod, and a first fixing frame is provided on the outer side of the threaded rod. The first fixing frame is provided with two groups. When in use, the threaded rod is rotated by rotating the handle, and the first fixing frame is driven to move linearly by the rotation of the threaded rod, and the blank in the movable plate is fixed by the linear movement of the first fixing frame.

[0009] Preferably, the connecting assembly includes a connecting frame and a fixed plate; the connecting frame is arranged below the movable plate, and the fixed plate is arranged below the movable plate. When in use, the position of the connecting frame is fixed by the movable plate, and the position of the fixed plate is fixed by the movable plate.

[0010] Preferably, the connecting assembly also includes an elastic plug plate; an elastic plug plate is provided on one side of the fixed plate, and two groups of elastic plug plates are provided. When in use, multiple groups of movable plates can be connected by inserting the two groups of elastic plug plates into the inner side of the connecting frame under another movable plate, thereby facilitating the placement of the movable plates into the guide rod and the quick removal of multiple groups of movable plates.

[0011] Preferably, the support assembly includes a second fixing frame, a bracket and a shock-absorbing pad; a second fixing frame is provided below the furnace body, a bracket is provided below the second fixing frame, and a shock-absorbing pad is provided below the bracket. When in use, the furnace body is fixed by the second fixing frame, and the second fixing frame is supported by the bracket, thereby supporting the sintering device, and the bracket is shock-absorbing by the shock-absorbing pad, thereby shock-absorbing the sintering device, thereby improving the stability of the sintering device during use.

[0012] Beneficial effects of the utility model:

[0013] 1. Compared with the traditional NdFeB sintering device, which uses sintering technology to heat the neodymium, iron and boron powders in the raw materials to a high temperature, melt them and form block magnets, the traditional NdFeB sintering device has insufficiently fixed structure when processing the green body, and the green body is easily damaged during loading and processing. This device can quickly load and connect carriers with multiple groups of green bodies through the guide structure and the connection structure, and improve the stability of the green body by inserting a structure that can fix the green body above each group of carriers, thereby reducing the damage of the green body structure during processing;

[0014] 2. The movable plate can be installed by inserting the movable plate into the guide rod, the blank can be placed by the movable plate, the thermal conductivity of the blank can be improved by the graphite plate when heating, the mounting plate can be quickly installed by the mounting rod, the threaded rod is rotated by turning the handle, and the first fixing frame is linearly moved by the rotation of the threaded rod, and the blank in the movable plate is fixed by the linear movement of the first fixing frame. Multiple sets of movable plates can be connected by inserting two sets of elastic inserts into the inner side of the connecting frame under another movable plate, so that the movable plate can be placed in the guide rod and the multiple sets of movable plates can be quickly taken out, thereby reducing the damage of the blank structure during the processing by quickly loading and fixing the blank;

[0015] 3. The furnace body is fixed by the second fixing frame, and the second fixing frame is supported by the bracket, thereby supporting the sintering device, and the bracket is shock-absorbing by the shock-absorbing pad, thereby shock-absorbing the sintering device, thereby improving the stability of the sintering device during use. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 Shown is a schematic diagram of the cross-sectional three-dimensional structure of the sintering device for NdFeB production of the present utility model;

[0017] Figure 2 Shown is a schematic diagram of a partial cross-section of a sintering device for NdFeB production according to the present invention;

[0018] Figure 3 Shown is a schematic diagram of the three-dimensional structure of the sintering device for NdFeB production of the present utility model;

[0019] Figure 4 Shown is a schematic diagram of the partial three-dimensional structure of the sintering device for NdFeB production of the present invention;

[0020] Explanation of the accompanying drawings: 1. Furnace body; 2. Placement assembly; 201. Movable plate; 202. Graphite plate; 3. Mounting assembly; 301. Mounting rod; 302. Mounting plate; 4. Fixing assembly; 401. Threaded rod; 402. Handle; 403. First fixing frame; 5. Connecting assembly; 501. Connecting frame; 502. Fixing plate; 503. Elastic plug plate; 6. Support assembly; 601. Second fixing frame; 602. Bracket; 603. Shock-absorbing pad; 7. Guide rod; 8. Heating module. DETAILED DESCRIPTION

[0021] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0022] See also Figure 1 The utility model provides an embodiment: a sintering device for NdFeB production, comprising a furnace body 1, a placing component 2, a mounting component 3, a fixing component 4, a connecting component 5, a supporting component 6, a guide rod 7 and a heating module 8; a guide rod 7 is provided on the inner side of the furnace body 1, a heating module 8 is provided on the inner side of the furnace body 1, a placing component 2 with a placing function is provided on the outer side of the guide rod 7, a mounting component 3 with a mounting function is provided above the placing component 2, a fixing component 4 with a fixing function is provided on the inner side of the mounting component 3, a connecting component 5 with a connecting function is provided below the placing component 2, and a supporting component 6 with a supporting function is provided below the furnace body 1.

[0023] See also Figure 2-4In this embodiment, the placement component 2 includes a movable plate 201 and a graphite plate 202; a movable plate 201 is provided on the outer side of the guide rod 7, and a graphite plate 202 is provided on the inner side of the movable plate 201. The movable plate 201 and the guide rod 7 are slidably connected. When in use, the movable plate 201 can be installed by inserting the movable plate 201 into the guide rod 7. The blank can be placed through the movable plate 201, and the thermal conductivity of the blank during heating can be improved through the graphite plate 202. The mounting component 3 includes a mounting rod 301 and a mounting plate 302; a mounting rod 301 is provided above the movable plate 201, and a mounting plate 302 is provided on the outer side of the mounting rod 301. The mounting plate 302 and the mounting rod 301 are slidably connected. Dynamic connection. When in use, the mounting plate 302 can be quickly installed through the mounting rod 301. The fixing assembly 4 includes a threaded rod 401, a handle 402 and a first fixing frame 403; a threaded rod 401 is provided on the inner side of the mounting plate 302, and a handle 402 is provided at one end of the threaded rod 401. There are two sections of opposite threads on the threaded rod 401, and a first fixing frame 403 is provided on the outer side of the threaded rod 401. The first fixing frame 403 is provided with two groups. When in use, the threaded rod 401 is rotated by rotating the handle 402, and the first fixing frame 403 is driven to move linearly by the rotation of the threaded rod 401. The blank in the movable plate 201 is fixed by the linear movement of the first fixing frame 403.

[0024] The connecting assembly 5 includes a connecting frame 501 and a fixed plate 502; a connecting frame 501 is provided below the movable plate 201, and a fixed plate 502 is provided below the movable plate 201. When in use, the position of the connecting frame 501 is fixed by the movable plate 201, and the position of the fixed plate 502 is fixed by the movable plate 201. The connecting assembly 5 also includes an elastic plug-in plate 503; an elastic plug-in plate 503 is provided on one side of the fixed plate 502, and two groups of elastic plug-in plates 503 are provided. When in use, multiple groups of movable plates 201 can be connected by inserting the two groups of elastic plug-in plates 503 into the inner side of the connecting frame 501 below another movable plate 201, thereby facilitating the connection of the movable plates. 201 is placed in the guide rod 7 and multiple groups of movable plates 201 are quickly taken out. The supporting assembly 6 includes a second fixing frame 601, a bracket 602 and a shock-absorbing pad 603; a second fixing frame 601 is provided below the furnace body 1, a bracket 602 is provided below the second fixing frame 601, and a shock-absorbing pad 603 is provided below the bracket 602. When in use, the furnace body 1 is fixed by the second fixing frame 601, and the second fixing frame 601 is supported by the bracket 602, thereby supporting the sintering device, and the bracket 602 is shock-absorbing by the shock-absorbing pad 603, thereby shock-absorbing the sintering device, thereby improving the stability of the sintering device when in use.

[0025] During operation, the furnace body 1 is first fixed by the second fixing frame 601, and the second fixing frame 601 is supported by the bracket 602, thereby supporting the sintering device, and the bracket 602 is shock-absorbing by the shock-absorbing pad 603, thereby shock-absorbing the sintering device.

[0026] After the device is fixed, the movable plate 201 can be installed by inserting the movable plate 201 into the guide rod 7, the blank can be placed by the movable plate 201, the thermal conductivity of the blank when heated can be improved by the graphite plate 202, the mounting plate 302 can be quickly installed by the mounting rod 301, the threaded rod 401 is rotated by rotating the handle 402, and the first fixing frame 403 is linearly moved by the rotation of the threaded rod 401, and the blank in the movable plate 201 is fixed by the linear movement of the first fixing frame 403, and multiple sets of movable plates 201 can be connected by inserting two sets of elastic inserts 503 into the inner side of the connecting frame 501 under another movable plate 201;

[0027] After the loading and fixing is completed, the interior of the furnace body 1 is heated by the heating module 8 , and the movable plate 201 can be placed in the guide rod 7 and multiple sets of movable plates 201 can be quickly taken out by inserting two sets of elastic inserting plates 503 .

[0028] Through the above steps, the placement component 2 is installed using the guide rod 7, the interior of the furnace body 1 is heated using the heating module 8, the raw material blank can be placed using the placement component 2, the fixed component can be quickly installed using the installation component 3, the blank can be fixed using the fixing component 4, multiple groups of placement components 2 can be connected using the connection component 5, and the device can be supported and shock-absorbing using the support component 6.

[0029] The embodiments of the present invention are described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Various changes can be made within the scope of knowledge possessed by those skilled in the art without departing from the purpose of the present invention.

Claims

1. A sintering device for NdFeB production, comprising a furnace body (1); characterized in that: The invention also includes a placement component (2), a mounting component (3), a fixing component (4), a connecting component (5), a supporting component (6), a guide rod (7) and a heating module (8); the guide rod (7) is provided on the inner side of the furnace body (1), the heating module (8) is provided on the inner side of the furnace body (1), the placement component (2) with a placement function is provided on the outer side of the guide rod (7), the mounting component (3) with a mounting function is provided above the placement component (2), the fixing component (4) with a fixing function is provided on the inner side of the mounting component (3), the connecting component (5) with a connecting function is provided below the placement component (2), and the supporting component (6) with a supporting function is provided below the furnace body (1).

2. The sintering device for NdFeB production according to claim 1, characterized in that: The placement assembly (2) comprises a movable plate (201) and a graphite plate (202); the movable plate (201) is arranged on the outer side of the guide rod (7), the graphite plate (202) is arranged on the inner side of the movable plate (201), and the movable plate (201) and the guide rod (7) are slidably connected.

3. The sintering device for NdFeB production according to claim 2, characterized in that: The mounting assembly (3) comprises a mounting rod (301) and a mounting plate (302); the mounting rod (301) is arranged above the movable plate (201), the mounting plate (302) is arranged outside the mounting rod (301), and the mounting plate (302) and the mounting rod (301) are slidably connected.

4. The sintering device for NdFeB production according to claim 3, characterized in that: The fixing assembly (4) comprises a threaded rod (401), a handle (402) and a first fixing frame (403); the threaded rod (401) is provided on the inner side of the mounting plate (302); the handle (402) is provided at one end of the threaded rod (401); the threaded rod (401) has two opposite threads; the first fixing frame (403) is provided on the outer side of the threaded rod (401); and the first fixing frame (403) is provided with two groups.

5. The sintering device for NdFeB production according to claim 2, characterized in that: The connecting assembly (5) comprises a connecting frame (501) and a fixed plate (502); the connecting frame (501) is arranged below the movable plate (201), and the fixed plate (502) is arranged below the movable plate (201).

6. The sintering device for NdFeB production according to claim 1, characterized in that: The connecting assembly (5) further comprises an elastic plug plate (503); one side of the fixed plate (502) is provided with the elastic plug plate (503), and two groups of the elastic plug plates (503) are provided.

7. The sintering device for NdFeB production according to claim 1, characterized in that: The support assembly (6) comprises a second fixing frame (601), a bracket (602) and a shock-absorbing pad (603); the second fixing frame (601) is arranged below the furnace body (1), the bracket (602) is arranged below the second fixing frame (601), and the shock-absorbing pad (603) is arranged below the bracket (602).