Neodymium-iron-boron magnetic block crushing device
By introducing a demagnetization chamber and heating wire into the NdFeB magnetic block crushing device, rapid demagnetization of NdFeB magnetic block is achieved, solving the problem of difficulty in realizing demagnetization before crushing in the prior art, and improving the crushing efficiency.
Patent Information
- Application Number
- CN202420657335.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-01
- Publication Date
- 2025-03-11
- Estimated Expiration
- 2034-04-01
AI Technical Summary
The existing neodymium iron boron magnetic block crushing device cannot demagnetize the neodymium iron boron magnetic block before the crushing operation, resulting in low crushing processing efficiency.
A neodymium iron boron magnetic block crushing device is designed, including a demagnetization chamber and a heating wire. The demagnetization chamber is heated by heating the heating wire to heat up the interior, eliminating the magnetism of the neodymium iron boron magnetic block, so as to quickly perform demagnetization operations before the crushing operation.
It realizes rapid demagnetization before the crushing operation of NdFeB magnetic blocks, saving crushing pretreatment time and improving crushing efficiency.
Smart Images
Figure CN222586778U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of NdFeB magnet block crushing, in particular to a NdFeB magnet block crushing device. Background Art
[0002] NdFeB magnet block crushing is the process of breaking NdFeB magnetic materials into smaller particles or powders by physical methods for subsequent reuse, recycling or further processing.
[0003] In the existing devices for scrapping and crushing NdFeB magnets, when the NdFeB magnets are crushed, the NdFeB magnets are easily adsorbed on the surface of mechanical parts, causing equipment damage or reduced working efficiency. Therefore, when the NdFeB magnets are scrapped and crushed, the NdFeB magnets need to be heated first to eliminate the magnetism in the NdFeB magnets. However, the existing crushing devices cannot demagnetize the NdFeB magnets and need to be assisted by a demagnetization device, resulting in low crushing efficiency of the NdFeB magnets.
[0004] Therefore, a NdFeB magnet block crushing device has been developed, which can quickly demagnetize the NdFeB magnet block before crushing it, saving the pretreatment time of NdFeB magnet block crushing and improving efficiency. Utility Model Content
[0005] In order to overcome the disadvantage that the existing crushing device cannot demagnetize the NdFeB magnet block and needs to be assisted by the demagnetization device, which leads to low crushing efficiency of the NdFeB magnet block, the utility model provides a NdFeB magnet block crushing device which can quickly demagnetize the NdFeB magnet block before the crushing operation, thereby saving the crushing pretreatment time of the NdFeB magnet block and improving efficiency.
[0006] The technical solution is: a neodymium iron boron magnetic block crushing device, including a crushing chamber, a crushing motor, a fixed frame, a gear set and a cutting knife. The right side of the crushing chamber is connected to the fixed frame, and the crushing motor is connected to the fixed frame. The front and rear parts of the crushing chamber are both rotatably connected to the cutting knife on the inner side. A gear set is provided between the right sides of the cutting knife, and the gear set is connected to the output shaft of the crushing motor.
[0007] As a further preferred solution, a support frame is also included, and the lower part of the crushing chamber is connected to the support frame.
[0008] As a further preferred solution, it also includes a dual-shaft motor and a crushing knife. The dual-shaft motor is connected to the inner side of the lower part of the crushing chamber, and the crushing knife is connected to the output shaft of the dual-shaft motor.
[0009] As a further preferred solution, it also includes a collecting dish, a spring, a support plate and a guide rod. The lower part of the support frame is slidably connected to the guide rod, the top of the guide rod is connected to the support plate, a spring is connected between the bottom of the support plate and the support frame, and a collecting dish is placed on the top of the support plate.
[0010] As a further preferred scheme, it also includes a fixing part, a shell, a demagnetization chamber and a heating wire. The front and rear sides of the upper part of the crushing chamber are connected to the fixing parts, the left and right parts of the fixing parts are connected to the shell, the inside of the shell is connected to the demagnetization chamber, and the demagnetization chamber is connected to the adjacent shell with a heating wire.
[0011] As a further preferred solution, a baffle is also included. The left and right sides of the upper part of the crushing chamber are slidably connected with the baffle, and the bottom of the demagnetization chamber is in contact with the baffle.
[0012] As a further preferred solution, an inclined plate is also included, and the front and rear sides of the crushing chamber are connected with inclined plates.
[0013] Compared with the prior art, the utility model has the following advantages: the utility model heats the demagnetization chamber by a heating wire, so that the temperature inside the demagnetization chamber rises, heats the NdFeB magnet block, and eliminates the magnetism of the NdFeB magnet block. The NdFeB magnet block can be quickly demagnetized before being crushed, thereby saving the pre-processing time of the NdFeB magnet block crushing and improving efficiency. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 This is a schematic diagram of the first new type of three-dimensional structure of the present utility model.
[0015] Figure 2 This is a schematic diagram of the second novel three-dimensional structure of the present utility model.
[0016] Figure 3 It is a schematic cross-sectional view of the three-dimensional structure of the utility model.
[0017] The numbers in the figure are as follows: 1-crushing chamber, 2-crushing motor, 3-fixed frame, 4-gear set, 5-cutting knife, 6-support frame, 7-dual-axis motor, 8-crushing knife, 9-collecting dish, 10-spring, 11-support plate, 12-guide rod, 13-fixed part, 14-housing, 15-demagnetization chamber, 16-heating wire, 17-baffle, 18-inclined plate. DETAILED DESCRIPTION
[0018] The technical solution is further described below in conjunction with specific embodiments. It should be noted that the words indicating directions such as up, down, left, and right mentioned in this article are only for the position of the structure shown in the corresponding drawings. The serial numbers of the parts in this article, such as first, second, etc., are only used to distinguish the objects described and do not have any order or technical meaning. The words such as connection and coupling in this application include direct and indirect connection (coupling) unless otherwise specified.
[0019] A NdFeB magnet block crushing device, such as Figure 1-Figure 3As shown, it includes a crushing chamber 1, a crushing motor 2, a fixing frame 3, a gear set 4, a cutting knife 5, a supporting frame 6, a double-axis motor 7, a crushing knife 8, a collecting dish 9, a spring 10, a supporting plate 11, a guide rod 12, a fixing part 13, a shell 14, a demagnetizing chamber 15, a heating wire 16, a baffle 17 and an inclined plate 18. The right side of the crushing chamber 1 is connected to the fixing frame 3, and the crushing motor 2 is connected to the fixing frame 3. The inner sides of the front and rear parts of the crushing chamber 1 are both rotatably connected with the cutting knife 5. A gear set 4 is arranged between the right sides of the cutting knife 5, and the gear set 4 is connected to the output shaft of the crushing motor 2. The lower part of the crushing chamber 1 is connected to the supporting frame 6, and the inner side of the lower part of the crushing chamber 1 is connected to the double-axis motor 7. The double-axis motor A crushing knife 8 is connected to the output shaft of the machine 7, a guide rod 12 is slidably connected to the lower part of the support frame 6, a support plate 11 is connected to the top of the guide rod 12, a spring 10 is connected between the bottom of the support plate 11 and the support frame 6, a collecting dish 9 is placed on the top of the support plate 11, fixing parts 13 are connected to the front and back sides of the upper part of the crushing chamber 1, the left and right parts of the fixing parts 13 are connected to the outer shell 14, the inside of the outer shell 14 is connected to the demagnetization chamber 15, and the demagnetization chamber 15 is connected to the adjacent outer shell 14 with a heating wire 16, baffles 17 are slidably connected to the left and right sides of the upper part of the crushing chamber, the bottom of the demagnetization chamber 15 is in contact with the baffle 17, and inclined plates 18 are connected to the front and back sides of the crushing chamber.
[0020] When the utility model is used, the NdFeB magnet block is first poured into the demagnetization chamber 15, and the demagnetization chamber 15 is heated by the heating wire 16, so that the temperature inside the demagnetization chamber 15 is increased, and the NdFeB magnet block is heated to eliminate the magnetism of the NdFeB magnet block. After the demagnetization is completed, the baffle 17 is pulled away from the bottom of the demagnetization chamber 15, so that the NdFeB magnet block inside the demagnetization chamber 15 is guided through the inclined plate 18 and falls into the crushing chamber 1, and then the crushing motor 2 and the dual-axis motor 7 are started, and the output shaft of the crushing motor 2 rotates to drive the cutting knife 5 to rotate, and the cutting knife 5 rotates The falling NdFeB magnets are crushed, and the crushed NdFeB magnets continue to fall. The output shaft of the dual-axis motor 7 drives the crushing knife 8 to rotate, and the crushing knife 8 is finely crushed. It is best to concentrate them into the collecting dish 9. When the collecting dish 9 has completed the collection, press the collecting dish 9 downward to make the support plate 11 move downward to compress the spring 10, so that the top of the collecting dish 9 is separated from the crushing chamber 1, and then pull the collecting dish 9 to take out the collecting dish 9. The spring 10 rebounds, so that the support plate 11 is reset upward to seal the bottom of the crushing chamber 1.
[0021] It should be understood that the above description is only for exemplary purposes and is not intended to limit the present invention. Those skilled in the art will understand that variations of the present invention will be included within the scope of the claims herein.
Claims
1. A NdFeB magnet block crushing device, characterized in that: The invention comprises a crushing chamber (1), a crushing motor (2), a fixing frame (3), a gear set (4) and a cutting knife (5). The right side of the crushing chamber (1) is connected to the fixing frame (3), the crushing motor (2) is connected to the fixing frame (3), the inner sides of the front and rear parts of the crushing chamber (1) are both rotatably connected to the cutting knife (5), a gear set (4) is arranged between the right sides of the cutting knife (5), and the gear set (4) is connected to the output shaft of the crushing motor (2).
2. A NdFeB magnet block crushing device as claimed in claim 1, characterized in that: It also includes a support frame (6), and the lower part of the crushing chamber (1) is connected to the support frame (6).
3. A NdFeB magnet block crushing device as claimed in claim 2, characterized in that: It also includes a double-shaft motor (7) and a crushing knife (8). The inner side of the lower part of the crushing chamber (1) is connected to the double-shaft motor (7), and the crushing knife (8) is connected to the output shaft of the double-shaft motor (7).
4. A NdFeB magnet block crushing device as claimed in claim 3, characterized in that: It also includes a collecting dish (9), a spring (10), a supporting plate (11) and a guide rod (12); the lower part of the supporting frame (6) is slidably connected to the guide rod (12); the top of the guide rod (12) is connected to the supporting plate (11); the bottom of the supporting plate (11) is connected to the supporting frame (6) with a spring (10); and the top of the supporting plate (11) is placed with the collecting dish (9).
5. The NdFeB magnet block crushing device as claimed in claim 4, characterized in that: It also comprises a fixing part (13), a shell (14), a demagnetization chamber (15) and a heating wire (16); the fixing part (13) is connected to both the front and rear sides of the upper part of the pulverizing chamber (1); the left and right parts of the fixing part (13) are connected to the shell (14); the inside of the shell (14) is connected to the demagnetization chamber (15); and the heating wire (16) is connected between the demagnetization chamber (15) and the adjacent shell (14).
6. The NdFeB magnet block crushing device according to claim 5, characterized in that: It also includes a baffle (17), and the baffles (17) are slidably connected to the left and right sides of the upper part of the pulverizing chamber, and the bottom of the demagnetizing chamber (15) is in contact with the baffles (17).
7. A NdFeB magnet block crushing device as claimed in claim 6, characterized in that: It also includes an inclined plate (18), and the inclined plates (18) are connected to both the front and rear sides of the pulverizing chamber.