A rapid cooling device and cooling method for NdFeB chips

Abstract

This invention discloses a rapid cooling device and method for NdFeB wafers, relating to the field of NdFeB wafer cooling technology. The device includes a support frame and a support shell. One end of the support frame is equipped with a cooling mechanism and an auxiliary wrapping mechanism. Through the synergistic effect of the innovative cooling mechanism and the adaptive wrapping mechanism, efficient cooling of the NdFeB wafers is achieved. Specifically, the device adopts a double cooling zone structure, which can completely wrap the upper and lower surfaces of the NdFeB wafers. Direct contact heat conduction significantly improves cooling efficiency. Compared with traditional liquid cooling methods, this solution does not require the use of cooling liquid, avoiding subsequent cleaning and drying processes. After cooling, the wafers can be directly packaged and stored, greatly improving production efficiency.

Description

Technical Field

[0001] This invention relates to the field of NdFeB chip cooling technology, and particularly to a rapid cooling device and method for NdFeB chips. Background Technology

[0002] Neodymium iron boron (NdFeB), as a third-generation rare-earth permanent magnet material, possesses outstanding magnetic properties due to the unique ratio of its main components, neodymium (Nd), iron (Fe), and boron (B), earning it the nickname "King of Magnets" in the industry. It is widely used in industrial manufacturing. Its typical processing involves using a fully automated internal circular slicing machine or a unidirectional wire-fed electrical discharge machining (EDM) device to process the blank into semi-finished products of specified dimensions, followed by electroplating and other subsequent treatments.

[0003] Currently, the cooling methods for NdFeB wafers after electroplating mainly include natural cooling, air cooling, water cooling, and oil cooling. Natural cooling and air cooling suffer from low heat dissipation efficiency; while water cooling and oil cooling offer better cooling effects, they require additional cleaning and drying processes before packaging and storage. This not only increases the process flow but also reduces overall production efficiency. Therefore, this paper proposes a rapid cooling device and method for NdFeB wafers to address these issues. Summary of the Invention

[0004] The purpose of this invention is to provide a rapid cooling device and cooling method for NdFeB wafers to solve the problems in the prior art.

[0005] To achieve the above objectives, the technical solution adopted by the present invention is as follows:

[0006] A rapid cooling device for NdFeB wafers includes a bracket and a support shell. One end of the bracket is equipped with a cooling mechanism and an auxiliary wrapping mechanism. The support shell is fixedly connected to one end of the bracket. A storage tank is fixedly connected to the top of the support shell. A guide hopper is fixedly connected to the outlet of the storage tank. An auxiliary feeding mechanism is provided at the outlet of the guide hopper. Side plates are fixedly connected to both sides of the outlet of the guide hopper. A belt conveyor is fixedly connected to one end of each side plate. A straightening mechanism is fixedly connected to one end of each side plate. A connecting rod is fixedly connected to one end of one side plate. An industrial camera is fixedly connected to one end of the connecting rod. A controller is fixedly connected to one end of the support shell. Tensioning mechanisms are provided at one end of both the cooling mechanism and the auxiliary wrapping mechanism. A vibration motor is fixedly connected to one end of the guide hopper.

[0007] Preferably, the cooling mechanism includes a first pulley rotatably connected to the bracket, a cooling belt is provided on the outer side of the first pulley, an air outlet shell is sleeved on the outer side of the cooling belt, one end of the air outlet shell is connected to an air inlet pipe, the air inlet pipe is connected to a cold air source, one end of the bracket is fixedly connected to a first motor, and the end of the main shaft of the first motor is fixedly connected to one of the first pulleys.

[0008] Preferably, the cooling belt includes a flexible graphite belt, a stainless steel mesh, and a heat-conducting layer. The stainless steel mesh is fixedly connected to the inner side of the flexible graphite belt, and the heat-conducting layer is fixedly connected to the inner side of the stainless steel mesh. The surface of the flexible graphite belt is coated with a Teflon coating.

[0009] Preferably, the auxiliary wrapping mechanism includes a second pulley rotatably connected to the bracket, the second pulley having an annular groove in the middle, a belt on the outer side of the second pulley, a connecting seat fixedly connected to one side of the belt, a guide wheel rotatably connected to the inner side of the connecting seat, a connecting plate fixedly connected to the belt about the opposite side of the connecting seat, an adjusting component fixedly connected to one end of the connecting plate, a pressure roller rotatably connected to one end of the adjusting component, a first guide plate fixedly connected to one end of the bracket and disposed on one side of the guide wheel, a second motor fixedly connected to one end of the bracket, and the end of the main shaft of the second motor fixedly connected to one of the second pulleys.

[0010] Preferably, the adjusting assembly includes a connecting shell that is fixedly connected to both ends of a connecting plate, a second guide plate that is slidably connected to the inner side of the connecting shell, and the second guide plate that is rotatably connected to the pressure roller, a screw that is fixedly connected to one end of the second guide plate, and a limit ring that is spirally connected to the outer side of the screw and fits against the connecting shell.

[0011] Preferably, the auxiliary feeding mechanism includes a crossbar fixedly connected to the guide hopper, a longitudinal bar fixedly connected to one end of the crossbar, a first electric telescopic rod rotatably connected to one end of the longitudinal rod, a lever rotatably connected to the other end of the first electric telescopic rod and a deflector rotatably connected to the guide hopper, and a limiting plate slidably connected to one end of the deflector.

[0012] Preferably, a fixed shaft is fixedly connected to the bottom end of the longitudinal rod, and a baffle is fixedly connected to the bottom end of the fixed shaft.

[0013] Preferably, the correction mechanism includes a fixed plate fixedly connected to the side plate, a second electric telescopic rod fixedly connected to the inner side of the fixed plate, a guide seat fixedly connected to the top end of the second electric telescopic rod, a first guide shaft slidably connected to the fixed plate fixedly connected to the bottom end of the guide seat, a third electric telescopic rod fixedly connected to one end of the guide seat, a transition plate fixedly connected to the other end of the third electric telescopic rod, a third motor fixedly connected to one end of the transition plate, a connecting plate fixedly connected to the end of the main shaft of the third motor, an air pipe fixedly connected to the inner side of the connecting plate, a suction cup fixedly connected to one end of the air pipe, and an air suction pipe connected to the other end of the air pipe, which is connected to an external negative pressure pump.

[0014] Preferably, the tensioning mechanism includes a second guide shaft fixedly connected to the bracket, a slider slidably connected to the outer side of the second guide shaft, a connecting frame fixedly connected to one end of the slider, a tensioning wheel rotatably connected to one end of the connecting frame, an annular groove provided in the middle of the tensioning wheel, a spring fixedly connected to the bottom end of the slider, and the bottom end of the spring fixedly connected to the bracket.

[0015] Preferably, S1: The NdFeB slices inside the storage box are fed onto the belt conveyor via the auxiliary feeding mechanism;

[0016] S2: The industrial camera captures real-time images of the NdFeB slices on the belt conveyor and transmits the image data to the controller. The controller analyzes the images using a built-in algorithm to intelligently identify the opening direction of the NdFeB slices: when the opening is detected to be downward, the system maintains the current state; when the opening is detected to be upward, the correction mechanism is automatically triggered to perform a flipping operation. This intelligent identification system ensures the accurate orientation of the NdFeB slices, providing a reliable guarantee for the subsequent cooling process.

[0017] S3: After the straightening mechanism flips the NdFeB slice with the opening facing upwards to the opening facing downwards, the belt conveyor transports the NdFeB slice between the upper and lower cooling mechanisms. With the cooperation of the auxiliary wrapping mechanism, the tensioning mechanism and the cooling mechanism, the upper and lower cooling belts wrap around the upper and lower surfaces of the NdFeB slice, and the cooling belts achieve the cooling of the NdFeB slice.

[0018] S4: After cooling, the cooling belt will transport the NdFeB slices out from between the two cooling belts.

[0019] Compared with the prior art, the present invention has the following beneficial effects:

[0020] 1. A rapid cooling device and method for NdFeB wafers, which achieves efficient cooling of NdFeB wafers through the synergistic effect of an innovative cooling mechanism and an adaptive wrapping mechanism. Specifically, the device adopts a double cooling belt structure that can completely wrap the upper and lower surfaces of the NdFeB wafers. Direct contact heat conduction significantly improves cooling efficiency. Compared with traditional liquid cooling methods, this solution does not require the use of cooling liquid, avoiding subsequent cleaning and drying processes. After cooling, the wafers can be directly packaged and stored, greatly improving production efficiency. The adaptive auxiliary wrapping mechanism of this device, through the combination design of adjustable pressure rollers and flexible cooling belts, can automatically adapt to the curved shape of NdFeB wafers with different curvatures, ensuring that the cooling belts are tightly attached to the surface of the NdFeB wafers, further improving the versatility and production efficiency of the equipment.

[0021] 2. A rapid cooling device and method for NdFeB chips, wherein the auxiliary feeding mechanism allows the NdFeB chips inside the storage bin to slide orderly onto the belt conveyor, preventing the NdFeB chips from clogging at the outlet of the guide hopper, thereby improving the stability and continuity of NdFeB chip feeding, increasing overall work efficiency, and providing reliable material conveying guarantee for subsequent cooling processes.

[0022] 3. A rapid cooling device and method for NdFeB wafers, wherein a corrective mechanism is provided to automatically flip the NdFeB wafer with its opening facing upwards to the correct direction with its opening facing downwards, ensuring that the upper and lower cooling bands can completely wrap the NdFeB wafer. This directional correction design not only simplifies the bonding process between the cooling bands and the NdFeB wafer, but also improves the cooling efficiency, making the entire cooling process smoother and more efficient. Attached Figure Description

[0023] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0024] Figure 1 This is a schematic diagram of the overall structure of a rapid cooling device and cooling method for NdFeB wafers according to the present invention.

[0025] Figure 2 This is a schematic diagram of the installation structure of the first motor in a rapid cooling device and cooling method for NdFeB wafers according to the present invention.

[0026] Figure 3 This is a schematic diagram of the cooling belt structure of a rapid cooling device and cooling method for NdFeB wafers according to the present invention.

[0027] Figure 4 This is a schematic diagram of the installation structure of the belt and the first guide plate when the rapid cooling device and cooling method for NdFeB slices of the present invention are cut open.

[0028] Figure 5 This is a schematic diagram of the installation structure when the outer convex surface of the arc-shaped NdFeB chip is attached to the cooling strip, which is part of the rapid cooling device and cooling method for NdFeB chips according to the present invention.

[0029] Figure 6 This is a schematic diagram of the adjustment component of a rapid cooling device and cooling method for NdFeB wafers according to the present invention.

[0030] Figure 7 This is a schematic diagram of the installation structure of the second guide plate of a rapid cooling device and cooling method for NdFeB wafers according to the present invention.

[0031] Figure 8 This is a schematic diagram of the screw installation structure of a rapid cooling device and cooling method for NdFeB wafers according to the present invention.

[0032] Figure 9 This is a schematic diagram of the installation structure of the first guide plate of a rapid cooling device and cooling method for NdFeB wafers according to the present invention.

[0033] Figure 10 This is a schematic diagram of the installation structure of the limiting plate in a rapid cooling device and cooling method for NdFeB wafers according to the present invention.

[0034] Figure 11 This is a schematic diagram of the installation structure of the baffle plate in a rapid cooling device and cooling method for NdFeB wafers according to the present invention.

[0035] Figure 12 This is a schematic diagram of the installation structure of the vent pipe for a rapid cooling device and cooling method for neodymium iron boron wafers according to the present invention.

[0036] Figure 13 This is a schematic diagram of the installation structure of the tensioning wheel in a rapid cooling device and cooling method for NdFeB wafers according to the present invention.

[0037] Figure 14 This is a schematic diagram of the installation structure of the air outlet shell of a rapid cooling device and cooling method for NdFeB wafers according to the present invention.

[0038] In the diagram: 1. Cooling mechanism; 101. First motor; 102. First pulley; 103. Air outlet casing; 104. Cooling belt; 1041. Flexible graphite belt; 1042. Stainless steel mesh; 1043. Heat-conducting layer; 105. Air inlet pipe;

[0039] 2. Auxiliary packaging mechanism; 201. Belt; 202. Connecting seat; 203. Guide wheel; 204. Second pulley; 205. Second motor; 206. First guide plate; 207. Connecting plate; 208. Pressure roller; 209. Connecting shell; 210. Second guide plate; 211. Screw; 212. Limiting ring;

[0040] 3. Auxiliary feeding mechanism; 301. Horizontal bar; 302. Vertical bar; 303. First electric telescopic rod; 304. Paddle plate; 305. Limiting plate; 306. Fixed shaft; 307. Baffle plate;

[0041] 4. Correction mechanism; 401. Fixing plate; 402. Second electric telescopic rod; 403. First guide shaft; 404. Guide seat; 405. Third electric telescopic rod; 406. Transition plate; 407. Third motor; 408. Connecting plate; 409. Ventilation pipe; 410. Suction cup; 411. Suction pipe;

[0042] 5. Tensioning mechanism; 501. Slider; 502. Second guide shaft; 503. Spring; 504. Connecting frame; 505. Tensioning wheel;

[0043] 6. Bracket; 7. Support shell; 8. Storage bin; 9. Guide hopper; 10. Side plate; 11. Belt conveyor; 12. Connecting rod; 13. Industrial camera; 14. Controller; 15. Vibration motor. Detailed Implementation

[0044] The present invention will be further described below with reference to specific embodiments. The accompanying drawings are for illustrative purposes only and are schematic diagrams, not actual pictures. They should not be construed as limiting the present invention. In order to better illustrate the specific embodiments of the present invention, some parts in the drawings may be omitted, enlarged or reduced, and do not represent the actual product size. It is understandable for those skilled in the art that some well-known structures and their descriptions may be omitted in the drawings. Based on the specific embodiments of the present invention, all other specific embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0045] To make the technical means, creative features, objectives, and effects of this invention easier to understand, it should be noted in the description of this invention that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this invention. In addition, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance. The invention will be further described below in conjunction with specific embodiments. Example

[0046] like Figures 1-14 As shown, a rapid cooling device and method for NdFeB wafers includes a support 6 and a support shell 7. One end of the support 6 is equipped with a cooling mechanism 1 and an auxiliary wrapping mechanism 2, with two of each. The auxiliary wrapping mechanism 2 is located inside the cooling mechanism 1. One end of the support 6 is fixedly connected to the support shell 7, and the top of the support shell 7 is fixedly connected to a storage box 8. The storage box 8 is used to store electroplated NdFeB wafers. A guide hopper 9 is fixedly connected to the outlet of the storage box 8. A vibration motor 15 is fixedly connected to one end of the guide hopper 9. The guide hopper 9 tilts from the outlet of the storage box 8 towards a belt conveyor 11, and with the assistance of the vibration motor 15, the NdFeB wafers in the storage box 8 can be orderly conveyed through the guide hopper 9 to the belt conveyor 11. An auxiliary unloading mechanism 3 is provided at the outlet of the guide hopper 9. Side plates 10 are fixedly connected to each side. A belt conveyor 11 is fixedly connected to one end of each side plate 10, and a straightening mechanism 4 is fixedly connected to the other end of each side plate 10. A connecting rod 12 is fixedly connected to one end of one side plate 10, and an industrial camera 13 is fixedly connected to the other end of the connecting rod 12. A controller 14 is fixedly connected to one end of the support shell 7. The industrial camera 13 captures real-time images of the NdFeB slices on the belt conveyor 11 and transmits the image data to the controller 14. The controller 14 analyzes the images using a built-in algorithm and intelligently identifies the opening direction of the NdFeB slices: when the opening is detected to be downward, the system maintains the current state; when the opening is detected to be upward, the straightening mechanism 4 is automatically triggered to perform a flipping operation. This intelligent identification system ensures the accurate orientation of the NdFeB slices and provides a reliable guarantee for the subsequent cooling process. A tensioning mechanism 5 is provided at one end of both the cooling mechanism 1 and the auxiliary wrapping mechanism 2.

[0047] As a further improvement to the present invention, such as Figure 1 , Figure 2 , Figure 3 and Figure 14As shown, the cooling mechanism 1 includes two first pulleys 102 rotatably connected to the bracket 6. A cooling belt 104 is provided on the outer side of each first pulley 102, and an air outlet shell 103 is fitted onto the outer side of the cooling belt 104. The number of air outlet shells 103 can be selected according to the actual cooling situation to ensure that the cooling belt 104 can be cooled normally. One end of the air outlet shell 103 is connected to an air inlet pipe 105, which is connected to a cold air source. The cold air source can be one of compressed air refrigeration, liquid nitrogen system refrigeration, or a mechanical refrigeration unit, which can be selected according to actual usage requirements. A first motor 101 is fixedly connected to one end of the bracket 6. The end of the main shaft of the first motor 101 is fixedly connected to one of the first pulleys 102. The upper first motor 101 drives the cooling belt 104 to rotate clockwise through the corresponding first pulley 102, and the lower first motor 101 drives the cooling belt 104 to rotate clockwise through the corresponding first pulley 102. The belt 104 rotates counterclockwise. Through the cooperation of the upper and lower cooling belts 104, the NdFeB slices can be moved while being cooled. The cooling belts 104 can wrap and cool planar NdFeB slices as well as curved NdFeB slices. The following explanation uses a curved NdFeB slice as an example: After the belt conveyor 11 transports the NdFeB slice with the opening facing down between the upper and lower cooling belts 104, the upper and lower cooling belts 104 wrap the upper and lower surfaces of the NdFeB slice under the squeezing action of the auxiliary wrapping mechanism 2. The direct contact heat conduction significantly improves the cooling efficiency. Compared with the traditional liquid cooling method, this solution does not require the use of cooling liquid, avoiding subsequent cleaning and drying processes. After cooling, it can be directly packaged and stored, greatly improving production efficiency. After cooling, the cooling belts 104 will transport the NdFeB slice out from between the upper and lower cooling belts 104.

[0048] As a further improvement to the present invention, such as Figure 3 As shown, the cooling belt 104 includes a flexible graphite belt 1041, a stainless steel mesh 1042, and a thermally conductive layer 1043. The stainless steel mesh 1042 is fixedly connected to the inner side of the flexible graphite belt 1041, and the thermally conductive layer 1043 is fixedly connected to the inner side of the stainless steel mesh 1042. The surface of the flexible graphite belt 1041 is coated with a Teflon coating. The flexible graphite belt 1041 has thermal conductivity and flexibility, making it suitable for complex curved surfaces. The stainless steel mesh 1042 serves as a support for the cooling belt 104, bearing mechanical tension and transferring heat. The thermally conductive layer 1043 is made of paraffin-based, fatty acid, or composite PCM. The Teflon coating can reduce the coefficient of friction and protect the NdFeB chip coating. The thermally conductive layer 1043 absorbs the heat after the NdFeB chip is electroplated through the flexible graphite strip 1041 and stainless steel mesh 1042. Constant temperature cooling is achieved through phase change. After the phase change is completed, the cooling strip 104 will enter the inner side of the air outlet shell 103. The cooling gas sprayed out by the air outlet shell 103 will cool the cooling strip 104, so that the cooling strip 104 can continue to work in the next round.

[0049] As a further improvement to the present invention, such as Figure 1 , Figure 4 , Figure 5 , Figure 6 and Figure 9 As shown, the auxiliary wrapping mechanism 2 includes a second pulley 204 rotatably connected to the bracket 6. An annular groove is provided in the middle of the second pulley 204. A belt 201 is provided on the outer side of the second pulley 204. A connecting seat 202 is fixedly connected to one side of the belt 201. A guide wheel 203 is rotatably connected to the inner side of the connecting seat 202. A connecting plate 207 is fixedly connected to the opposite side of the belt 201 with respect to the connecting seat 202. The middle part of the connecting plate 207 is fixedly connected to the belt 201. The connection between the connecting plate 207 and the belt 201 does not affect the belt 201 carrying the connecting plate 207 on the second pulley 204. The surface rotates, and one end of the connecting plate 207 is fixedly connected to an adjusting component. One end of the adjusting component is rotatably connected to a pressure roller 208. One end of the bracket 6 is fixedly connected to a first guide plate 206, which is located on one side of the guide wheel 203. One end of the bracket 6 is fixedly connected to a second motor 205, and the end of the main shaft of the second motor 205 is fixedly connected to one of the second pulleys 204. Through the annular groove in the middle of the second pulley 204, the belt 201 can smoothly carry the connecting seat 202 and the guide wheel 203 across the surface of the second pulley 204, thus ensuring the normal rotation of the belt 201. When needed... To cool the curved NdFeB wafer, the position of the pressure rollers 208 is first adjusted using the adjusting assembly. This ensures that the bottom surfaces of the pressure rollers 208 at different positions form an arc that conforms to the curved NdFeB wafer. The bottom surfaces of the pressure rollers 208 on the upper belt 201 side form an arc that conforms to the upper surface of the curved NdFeB wafer, and the bottom surfaces of the pressure rollers 208 on the lower belt 201 side form an arc that conforms to the lower surface of the curved NdFeB wafer. After the curved NdFeB wafer just enters between the two cooling belts 104, when it moves between the upper and lower pressure rollers 208, the guide wheel... 203 will also pass through the first guide plate 206. At this time, with the cooperation of the guide wheel 203 and the first guide plate 206, the guide wheel 203 will squeeze the cooling belt 104 through the connecting seat 202, belt 201 and adjusting component, so that the cooling belt 104 is in contact with the upper and lower surfaces of the arc-shaped NdFeB slice. Thus, the arc-shaped NdFeB slice is cooled by the cooling belt 104. When the cooling belt 104 moves with the arc-shaped NdFeB slice, the belt 201 will also move with the pressure roller 208 through the adjusting component, so that the pressure roller 208 and the arc-shaped NdFeB slice remain relatively stationary.

[0050] As a further improvement to the present invention, such as Figure 6 , Figure 7 and Figure 8 As shown, the adjustment assembly includes a connecting shell 209 fixedly connected to both ends of a connecting plate 207. A second guide plate 210 is slidably connected to the inner side of the connecting shell 209, and the second guide plate 210 is rotatably connected to the pressure roller 208. A screw 211 is fixedly connected to one end of the second guide plate 210, and a limit ring 212 is spirally connected to the outer side of the screw 211. The limit ring 212 is in contact with the connecting shell 209. When the position of the pressure roller 208 needs to be adjusted, the limit ring 212 is first rotated counterclockwise to separate the limit ring 212 from the connecting shell 209. At this time, the second guide plate 210 can be moved along the connecting shell 209 by the limit ring 212 and the screw 211, so that the second guide plate... 210 moves the pressure roller 208, thereby adjusting the pressure roller 208 at different positions. After adjustment, the limiting ring 212 rotates clockwise, so that the limiting ring 212 and the connecting shell 209 are tightly fitted together. The friction between the limiting ring 212 and the connecting shell 209 is used to limit and fix the screw 211, the second guide plate 210 and the pressure roller 208, thereby ensuring the stability of the pressure roller 208 during operation. Through the combination design of the adjustable pressure roller 208 and the flexible cooling belt 104, it can automatically adapt to the curved shape of NdFeB slices with different curvatures, ensuring that the cooling belt 104 is tightly fitted to the surface of the NdFeB slices, further improving the versatility and production efficiency of the equipment.

[0051] As a further improvement to the present invention, such as Figure 1 , Figure 10 and Figure 11 As shown, the auxiliary feeding mechanism 3 includes a crossbar 301 fixedly connected to the guide hopper 9. One end of the crossbar 301 is fixedly connected to a longitudinal bar 302. One end of the longitudinal bar 302 is rotatably connected to a first electric telescopic rod 303. The other end of the first electric telescopic rod 303 is rotatably connected to a lever 304 rotatably connected to the guide hopper 9. One end of the lever 304 is fixedly connected to a limiting plate 305 slidably connected to the guide hopper 9. When the NdFeB chips inside the storage box 8 slide into the inside of the guide hopper 9, the first electric telescopic rod 303 can be controlled by the controller 14. The telescopic rod 303, along with the lever 304, swings back and forth around one end of the guide hopper 9. The reciprocating swing of the lever 304 pushes the neodymium iron boron (NdFeB) chips inside the guide hopper 9 to move, preventing the NdFeB chips from accumulating at the outlet of the guide hopper 9. This improves the stability and continuity of the NdFeB chip feeding, increases overall work efficiency, and provides a reliable material conveying guarantee for the subsequent cooling process. In addition, the limiting plate 305 plays a limiting role, preventing the NdFeB chips from getting stuck in the gap between the lever 304 and the inner wall of the guide hopper 9 when the lever 304 swings.

[0052] As a further improvement to the present invention, such as Figure 11As shown, a fixed shaft 306 is fixedly connected to the bottom end of the longitudinal rod 302, and a baffle 307 is fixedly connected to the bottom end of the fixed shaft 306. The distance between the baffle 307 and the bottom of the guide hopper 9 is such that the curved NdFeB slice can pass through when the opening is facing down or up. When the curved NdFeB slice is placed on its side, the curved NdFeB slice cannot pass through the bottom of the baffle 307.

[0053] As a further improvement to the present invention, such as Figure 1 , Figure 10 and Figure 12 As shown, the correction mechanism 4 includes a fixed plate 401 fixedly connected to the side plate 10. A second electric telescopic rod 402 is fixedly connected to the inner side of the fixed plate 401. A guide seat 404 is fixedly connected to the top end of the second electric telescopic rod 402. A first guide shaft 403 slidably connected to the fixed plate 401 is fixedly connected to the bottom end of the guide seat 404. A third electric telescopic rod 405 is fixedly connected to one end of the guide seat 404. A transition plate 406 is fixedly connected to the other end of the third electric telescopic rod 405. A first guide shaft 403 slidably connected to one end of the transition plate 406 is fixedly connected to the first electric telescopic rod 405. The third motor 407 has a connecting plate 408 fixedly connected to the end of its main shaft. A vent pipe 409 is fixedly connected to the inner side of the connecting plate 408. One end of the vent pipe 409 is fixedly connected to a suction cup 410, and the other end of the vent pipe 409 is connected to a suction pipe 411, which is connected to an external negative pressure pump. There are two correction mechanisms 4, symmetrically distributed on both sides of the vertical centerline of the belt conveyor 11. When an upward-opening arc-shaped NdFeB chip is on the belt conveyor 11, when the upward-opening arc-shaped NdFeB chip... When the slice moves to the side of the correction mechanism 4, one of the third motors 407 first rotates with the corresponding connecting plate 408, air pipe 409, and suction cup 410 towards the direction of the arc-shaped NdFeB slice with the opening facing upwards. At the same time, the third electric telescopic rod 405 also moves the suction cup 410 horizontally through the transition plate 406, connecting plate 408, and air pipe 409, so that the suction cup 410 moves above the arc-shaped NdFeB slice with the opening facing upwards. Then, the second electric telescopic rod 402 passes through the guide seat 404 and the third electric telescopic rod 405. 05. The transition plate 406, connecting plate 408, and vent pipe 409 move the suction cup 410 towards the direction of the upward-facing arc-shaped NdFeB slice. At the same time, the suction pipe 411 and the external negative pressure pump also start working, so that the suction cup 410 is attracted to the concave surface of the upward-facing arc-shaped NdFeB slice. Then, the above steps are followed to make the vent pipe 409 pass through the suction cup 410 to make the upward-facing arc-shaped NdFeB slice stand on its side on the belt conveyor 11, so that the outer convex surface of the arc-shaped NdFeB slice faces another suction cup 410.

[0054] Next, another suction cup 410 is made to adhere to the outer convex surface of the arc-shaped NdFeB slice, and the corresponding suction cup 410 is not working. Then, the corresponding third motor 407, through the corresponding connecting plate 408, vent pipe 409 and suction cup 410, rotates the arc-shaped NdFeB slice 90 degrees so that the opening of the arc-shaped NdFeB slice faces downward. Then, the suction cup 410 separates from the arc-shaped NdFeB slice, and the belt conveyor 11 transports the arc-shaped NdFeB slice with the opening facing downward to the space between the upper and lower cooling belts 104. By repeating the above operation, the arc-shaped NdFeB slice with the opening facing upward can be continuously corrected.

[0055] As a further improvement to the present invention, such as Figure 13 As shown, the tensioning mechanism 5 includes a second guide shaft 502 fixedly connected to the bracket 6. A slider 501 is slidably connected to the outer side of the second guide shaft 502. A connecting frame 504 is fixedly connected to one end of the slider 501. A tensioning wheel 505 is rotatably connected to one end of the connecting frame 504. An annular groove is provided in the middle of the tensioning wheel 505. A spring 503 is fixedly connected to the bottom end of the slider 501, and the bottom end of the spring 503 is fixedly connected to the bracket 6. Through the annular groove in the middle of the tensioning wheel 505, the connecting seat 202 and the guide wheel 203 can pass smoothly through the tensioning wheel 505. The spring 503, through the slider 501 and the connecting frame 504, plays a role in tensioning the cooling belt 104 and the belt 201, while ensuring that the cooling belt 104 and the belt 201 are pressed normally towards the NdFeB wafer. At the same time, the distance between the connecting frame 504 and the belt 201 meets the requirements for the adjustment component and the pressure roller 208 to pass through.

[0056] As a further improvement to the present invention, the method of use is as follows:

[0057] S1: The neodymium iron boron slices inside the storage box 8 are sent to the belt conveyor 11 via the auxiliary feeding mechanism 3;

[0058] S2: Industrial camera 13 captures real-time images of the NdFeB slices on belt conveyor 11 and transmits the image data to controller 14. Controller 14 analyzes the images using a built-in algorithm to intelligently identify the opening direction of the NdFeB slices: when the opening is detected to be downward, the system maintains the current state; when the opening is detected to be upward, the correction mechanism 4 is automatically triggered to perform a flipping operation. This intelligent identification system ensures the accurate orientation of the NdFeB slices, providing a reliable guarantee for subsequent cooling processes.

[0059] S3: After the straightening mechanism 4 flips the NdFeB slice with the opening facing upwards to the opening facing downwards, the belt conveyor 11 transports the NdFeB slice between the upper and lower cooling mechanisms 1. With the cooperation of the auxiliary wrapping mechanism 2, the tensioning mechanism 5 and the cooling mechanism 1, the upper and lower cooling belts 104 wrap the upper and lower surfaces of the NdFeB slice, and the cooling belts 104 achieve the cooling of the NdFeB slice.

[0060] S4: After cooling, the cooling belt 104 will transport the NdFeB slices out between the two cooling belts 104. A collection box can be placed at the end of the cooling belt 104 for centralized collection, or a conveying device can be placed at the end of the cooling belt 104 to transport the cooled NdFeB slices to the next process. The choice can be made according to the actual processing requirements.

[0061] The above are preferred embodiments of the present invention. The basic principles, main features and advantages of the present invention have been shown and described above. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The embodiments and descriptions in the specification are only illustrative of the principles of the present invention. Various changes and modifications can be made to the present invention without departing from the scope of protection of the present invention. All such changes and modifications fall within the scope of protection of the present invention as defined by the appended claims and their equivalents.

Claims

1. A rapid cooling device for neodymium-iron-boron slices, comprising a support (6) and a support shell (7), characterized in that: The front side of the support (6) is provided with cooling mechanisms (1) and auxiliary wrapping mechanisms (2), the number of the cooling mechanisms (1) and the auxiliary wrapping mechanisms (2) is two, and the auxiliary wrapping mechanisms (2) are inside the cooling mechanisms (1), one end of the support (6) is fixedly connected with a support shell (7), the top end of the support shell (7) is fixedly connected with a storage box (8), the discharge port of the storage box (8) is fixedly connected with a guide hopper (9), the discharge port of the guide hopper (9) is provided with an auxiliary discharging mechanism (3), the discharge port of the guide hopper (9) is fixedly connected with side plates (10) on both sides, a belt conveyor (11) is connected between the two side plates (10), one end of the side plate (10) is fixedly connected with a correcting mechanism (4), the correcting mechanism (4) is used for overturning a neodymium iron boron slice, the upper end of one of the side plates (10) is fixedly connected with a connecting rod (12), one end of the connecting rod (12) is fixedly connected with an industrial camera (13), one end of the support shell (7) is fixedly connected with a controller (14), one end of the cooling mechanisms (1) and the auxiliary wrapping mechanisms (2) is provided with a tensioning mechanism (5), one end of the guide hopper (9) is fixedly connected with a vibration motor (15); the cooling mechanism (1) comprises a first pulley (102) rotatably connected with the support (6), the outer side of the first pulley (102) is provided with a cooling belt (104), the auxiliary wrapping mechanism (2) comprises a second pulley (204) rotatably connected with the support (6), the middle of the second pulley (204) is provided with an annular groove, the outer side of the second pulley (204) is provided with a belt (201), the inner surface of the belt (201) is fixedly connected with a connecting seat (202), the inner side of the connecting seat (202) is rotatably connected with a guide wheel (203), the opposite side of the belt (201) about the connecting seat (202) is fixedly connected with a connecting plate (207), one end of the connecting plate (207) is fixedly connected with an adjusting assembly, one end of the adjusting assembly is rotatably connected with a compression roller (208), the front side of the support (6) is fixedly connected with a first guide plate (206), and the first guide plate (206) is arranged on one side of the guide wheel (203), when the belt conveyor (11) conveys the neodymium iron boron slice with the opening downward between the upper and lower cooling belts (104), at this time, the upper and lower cooling belts (104) wrap the upper and lower surfaces of the neodymium iron boron slice under the extrusion cooperation of the auxiliary wrapping mechanism (2), and the cooling efficiency is significantly improved through direct contact heat conduction. The adjusting assembly comprises a connecting shell (209) fixedly connected with both ends of the connecting plate (207), a second guide plate (210) slidably connected to the inner side of the connecting shell (209), and the second guide plate (210) is rotatably connected with the compression roller (208), one end of the second guide plate (210) is fixedly connected with a screw rod (211), the outer side of the screw rod (211) is spirally connected with a limiting ring (212), and the limiting ring (212) is attached to the connecting shell (209).

2. A rapid cooling device for neodymium-iron-boron sheets as claimed in claim 1, characterized in that: The outer side of the cooling belt (104) is sleeved with an air outlet shell (103), one end of the air outlet shell (103) is communicated with an air inlet pipe (105), the air inlet pipe (105) is communicated with a cold air source, the bracket (6) is fixedly connected with a first motor (101), and the main shaft end of the first motor (101) is fixedly connected with one of the first pulleys (102).

3. A rapid cooling device for neodymium-iron-boron sheets as claimed in claim 2, characterized in that: The cooling belt (104) comprises a flexible graphite belt (1041), a stainless steel mesh (1042) and a heat conducting layer (1043), the inner side of the flexible graphite belt (1041) is fixedly connected with the stainless steel mesh (1042), the inner side of the stainless steel mesh (1042) is fixedly connected with the heat conducting layer (1043), and the surface of the flexible graphite belt (1041) is provided with a Teflon coating.

4. A rapid cooling device for Nd-Fe-B sheets as claimed in claim 1, characterized in that: The bracket (6) is fixedly connected with a second motor (205), and the main shaft end of the second motor (205) is fixedly connected with one of the second pulleys (204).

5. A rapid cooling device for Nd-Fe-B sheets as claimed in claim 1, characterized in that: The auxiliary discharging mechanism (3) comprises a horizontal rod (301) fixedly connected with the guide hopper (9), one end of the horizontal rod (301) is fixedly connected with a vertical rod (302), one end of the vertical rod (302) is rotatably connected with a first electric telescopic rod (303), the other end of the first electric telescopic rod (303) is rotatably connected with a push plate (304) rotatably connected with the guide hopper (9), and one end of the push plate (304) is fixedly connected with a limiting plate (305) slidably connected with the guide hopper (9).

6. A rapid cooling device for a Nd-Fe-B sheet according to claim 5, characterized in that: The bottom end of the vertical rod (302) is fixedly connected with a fixed shaft (306), and the bottom end of the fixed shaft (306) is fixedly connected with a baffle (307).

7. A rapid cooling device for Nd-Fe-B slices according to claim 1, characterized in that: The correction mechanism (4) includes a fixed plate (401) fixedly connected with the side plate (10), the inner side of the fixed plate (401) is fixedly connected with a second electric telescopic rod (402), the top end of the second electric telescopic rod (402) is fixedly connected with a guide seat (404), the bottom end of the guide seat (404) is fixedly connected with a first guide shaft (403) in sliding connection with the fixed plate (401), one end of the guide seat (404) is fixedly connected with a third electric telescopic rod (405), the other end of the third electric telescopic rod (405) is fixedly connected with a transition plate (406), one end of the transition plate (406) is fixedly connected with a third motor (407), the main shaft end of the third motor (407) is fixedly connected with a connecting plate (408), the inner side of the connecting plate (408) is fixedly connected with a breather pipe (409), one end of the breather pipe (409) is fixedly connected with a suction cup (410), the other end of the breather pipe (409) is communicated with a suction pipe (411), and the suction pipe (411) is communicated with an external negative pressure pump.

8. A rapid cooling device for Nd-Fe-B sheets as claimed in claim 1, characterized in that: The tensioning mechanism (5) includes a second guide shaft (502) fixedly connected with the support (6), a sliding block (501) in sliding connection with the outer side of the second guide shaft (502), a connecting frame (504) fixedly connected with one end of the sliding block (501), a tensioning wheel (505) rotatably connected with one end of the connecting frame (504), an annular groove arranged in the middle of the tensioning wheel (505), and a spring (503) fixedly connected with the bottom end of the sliding block (501) and with the bottom end of the spring (503) fixedly connected with the support (6).

9. The cooling method of the rapid cooling device for Nd-Fe-B slices according to any one of claims 1-8, characterized in that: S1: the Nd-Fe-B slices on the inner side of the storage tank (8) are sent to the top of the belt conveyor (11) through the auxiliary blanking mechanism (3); S2: the industrial camera (13) captures the Nd-Fe-B slices on the belt conveyor (11) in real time, and transmits image data to the controller (14), which analyzes the image through an embedded algorithm and intelligently identifies the opening direction of the Nd-Fe-B slices: when detecting that the opening is downward, the system remains in the current state; when identifying that the opening is upward, the correction mechanism (4) is automatically triggered for overturning operation; S3: after the correction mechanism (4) overturns the Nd-Fe-B slices with the opening upward to the opening downward, the belt conveyor (11) conveys the Nd-Fe-B slices between the upper and lower cooling mechanisms (1), and under the cooperation of the auxiliary wrapping mechanism (2), the tensioning mechanism (5), and the cooling mechanism (1), the upper and lower cooling belts (104) wrap the upper and lower surfaces of the Nd-Fe-B slices, and the cooling of the Nd-Fe-B slices is realized through the cooling belts (104); S4: after cooling, the cooling belts (104) transport the Nd-Fe-B slices out of the two cooling belts (104).

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