Neodymium-iron-boron magnet cutting device

Abstract

A neodymium-iron-boron magnet cutting device comprises a base table, a discharging opening is formed in the middle of the base table, and a cutting mechanism, a clamping mechanism and a feeding mechanism are assembled on the base table around the discharging opening. The cutting mechanism comprises a mounting frame, a transverse sliding module is assembled on the mounting frame, a lifting sliding module is assembled on the transverse sliding module, a lifting base plate is assembled on the lifting sliding module, and a laser cutting module is assembled on the lifting base plate. The clamping mechanism comprises a first clamp and a second clamp, and the first clamp and the second clamp are correspondingly arranged on the two sides of the discharging opening respectively. The feeding mechanism comprises a material box, a pushing-out assembly and a carrying assembly, the pushing-out assembly pushes the neodymium iron boron workpieces located in the loading cavity out of the material box, and the carrying assembly is used for bearing the neodymium iron boron workpieces pushed out of the material box and sending the neodymium iron boron workpieces to the clamping mechanism. Compared with the prior art, the full-automatic process from workpiece feeding to cutting to discharging is achieved.

Description

Technical Field

[0001] The invention belongs to the technical field of NdFeB cutting and processing equipment, and in particular relates to a NdFeB magnet cutting device. Background Art

[0002] In the processing of NdFeB magnets, cutting is a key step. Existing cutting devices often require a lot of manual operation, including manual loading, positioning and unloading. This kind of manual intervention is not only inefficient, but also easily introduces human errors, affecting the quality and consistency of the product. Due to reliance on manual operation, the speed of the entire cutting process is limited, and continuous and efficient production cannot be achieved. Especially in mass production, manual operation becomes a bottleneck, which seriously affects the overall production efficiency. And in the traditional cutting process, the operator needs to directly contact dangerous areas such as high-speed rotating blades or high-temperature laser beams, and there is a high risk of work-related injuries. In addition, the manual method of fixing the workpiece is not strong enough, and it is easy to cause accidents due to loose workpieces.

[0003] In summary, the existing NdFeB magnet cutting devices have obvious deficiencies in terms of automation, production efficiency, safety, precision and flexibility. There is an urgent need for a more efficient, safe and flexible cutting device to meet the needs of modern industrial production. Summary of the invention

[0004] In order to solve the above technical problems, the present invention is solved by the following technical solutions.

[0005] A NdFeB magnet cutting device is used for cutting a cylindrical NdFeB workpiece, comprising a base, a blanking opening is arranged in the middle of the base, and a cutting mechanism, a clamping mechanism and a feeding mechanism are arranged on the base around the blanking opening.

[0006] The cutting mechanism comprises a mounting frame, on which a transverse sliding module is mounted, on which a lifting sliding module is mounted, on which a lifting base plate is mounted, and on which a laser cutting module is mounted.

[0007] The clamping mechanism includes a first clamp and a second clamp, and the first clamp and the second clamp are respectively arranged on both sides of the blanking port. The first clamp includes a base, and the base is equipped with a chuck and an adjustment motor, and the adjustment motor drives the chuck to rotate and adjust the angle of the NdFeB workpiece. The second clamp includes a clamping sliding module, and the clamping sliding module is equipped with a slide seat, and the slide seat is equipped with an ejector pin, and the ejector pin and the chuck cooperate to fix the NdFeB workpiece.

[0008] The feeding mechanism includes a magazine, an ejection assembly and a transport assembly. The magazine is provided with a loading chamber for placing NdFeB workpieces. The ejection assembly ejects the NdFeB workpieces in the loading chamber out of the magazine. The transport assembly is used to receive the NdFeB workpieces ejected from the magazine and deliver them to the clamping mechanism.

[0009] As a preferred technical solution for a NdFeB magnet cutting device, a laser head is provided at the bottom of the laser cutting module, and a nozzle is provided at the bottom of the laser head. A cooling pipeline and an auxiliary air port are provided on the laser head, the cooling pipeline is externally connected to a cooling circulation system, and the auxiliary air port is externally connected to an air pump.

[0010] As an optimal technical solution for a NdFeB magnet cutting device, the laser head is equipped with a collector cover, the middle of the collector cover is a processing area for accommodating the NdFeB workpiece, and the bottom of the collector cover is provided with an opening for the NdFeB workpiece to pass through.

[0011] The nozzle is located in a processing area, and a guide air port and a collection air port are respectively arranged on the left and right sides of the nozzle in the processing area.

[0012] As a preferred technical solution for a NdFeB magnet cutting device, baffles are provided on both the front and rear sides of the collector, and the baffles cooperate with the inner wall of the collector to form an airflow groove.

[0013] As a preferred technical solution for a NdFeB magnet cutting device, the ventilation directions of the guide air port and the collecting air port are both tangent to the inner wall of the collector.

[0014] As a preferred technical solution of a NdFeB magnet cutting device, the clamping mechanism also includes a blanking assembly, which includes a blanking cylinder, a connecting rod and a push rod. The middle of the connecting rod is hinged to the base, one end of the connecting rod is connected to the blanking cylinder, and the other end is connected to the push rod. The chuck is provided with a slot for fixing the NdFeB workpiece, and the bottom of the slot is provided with a through slot that passes through the chuck, and the push rod is sleeved in the through slot.

[0015] As a preferred technical solution for a NdFeB magnet cutting device, the top of the loading chamber is open, and the NdFeB workpieces are neatly arranged in the loading chamber in the same direction during loading. The loading chamber is divided into a loading section and a unloading section, and the ejection assembly is assembled on one side of the unloading section. The unloading section is arranged vertically, and the connection between the loading section and the unloading section is smoothly transitioned.

[0016] As a preferred technical solution of a NdFeB magnet cutting device, the ejection assembly includes a fixed frame, a push cylinder is mounted on the fixed frame, and the push cylinder is connected to a push rod. A push hole and a discharge hole are respectively arranged on both sides of the lowest part of the unloading section, the push rod is located in the push hole, and the transport assembly is located on one side of the discharge hole.

[0017] As a preferred technical solution for the NdFeB magnet cutting device, the fixed frame is also equipped with an anti-jamming motor, the anti-jamming motor is connected to an anti-jamming wheel, and the anti-jamming wheel is located in the connection between the unloading section and the loading section. The anti-jamming wheel is ringed with partition pieces, and a space capable of accommodating the NdFeB workpiece is formed between adjacent partition pieces.

[0018] As a preferred technical solution for a NdFeB magnet cutting device, the transport assembly includes a transport sliding module, the transport sliding module is connected to a clamping cylinder, and the clamping cylinder is connected to an air claw adapted to the NdFeB workpiece.

[0019] Compared with the prior art, the present application has the following beneficial effects: a fully automated process from workpiece loading to cutting and unloading is realized. In particular, the ejection assembly and the handling assembly in the feeding mechanism can automatically complete the supply and positioning of the workpiece, greatly reducing the need for manual intervention and improving production efficiency. Moreover, the entire operation process hardly requires manual direct contact with the dangerous area, reducing the risk of work-related injuries; in addition, the clamping mechanism can firmly fix the workpiece to be processed, and to a certain extent, it also prevents accidents caused by loose workpieces. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 A top view of a NdFeB magnet cutting device.

[0021] Figure 2 It is a three-dimensional schematic diagram of a NdFeB magnet cutting device.

[0022] Figure 3 It is a three-dimensional schematic diagram of the cutting mechanism.

[0023] Figure 4 Cross-section view of the collector Figure 1 .

[0024] Figure 5 Cross-section view of the collector Figure 2 .

[0025] Figure 6 for Figure 5 A partial enlarged view of point A in the middle.

[0026] Figure 7 The figure is a three-dimensional schematic diagram of an embodiment of a collector cover.

[0027] Figure 8 It is a three-dimensional schematic diagram of another embodiment of a collector cover.

[0028] Fig. 9 It is a three-dimensional schematic diagram of the clamping mechanism.

[0029] Fig.10 It is a three-dimensional schematic diagram of the feeding mechanism.

[0030] Fig.11 A cross-sectional view of the magazine.

[0031] The following is a description of the markings in the accompanying drawings of the specification:

[0032] 100, base; 110, blanking opening; 120, NdFeB workpiece;

[0033] 200, cutting mechanism; 210, mounting frame; 220, lateral sliding module; 230, lifting sliding module; 240, laser cutting module; 241, laser head; 242, nozzle; 243, transparent tube; 244, auxiliary air port; 245, positioning surface; 250, collector; 251, processing area; 252, opening; 253, guide air port; 254, collecting air port; 255, baffle; 256, air flow groove; 257, matching surface; 258, fixing hole; 260, fixing assembly; 261, cartridge seat; 262, drawing shaft; 263, drawing block; 264, stop seat; 265, fixing head; 266, spring;

[0034] 300, clamping mechanism; 310, first clamp; 311, base; 312, chuck; 313, adjustment motor; 320, second clamp; 321, clamping sliding module; 322, slide seat; 323, ejector pin; 330, blanking assembly; 331, blanking cylinder; 332, connecting rod; 333, push rod;

[0035] 400, feeding mechanism; 410, material magazine; 411, material placement section; 412, material unloading section; 420, ejection assembly; 421, fixed frame; 422, material pushing cylinder; 423, material pushing rod; 430, conveying assembly; 431, conveying sliding module; 432, clamping cylinder; 433, air claw; 440, anti-stuck motor; 441, anti-stuck wheel. DETAILED DESCRIPTION

[0036] The present invention is further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0037] In the following embodiments, the same or similar reference numerals throughout represent the same or similar components or components with the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and should not be construed as limiting the present invention.

[0038] In the description of the present invention, it should be understood that the terms: center, longitudinal, transverse, length, width, thickness, up, down, front, back, left, right, vertical, horizontal, top, bottom, inside, outside, clockwise, counterclockwise, etc. indicating the orientation or position relationship are based on the orientation or position relationship shown in the accompanying drawings, which is only for the convenience of describing the present invention and simplifying the description, and therefore cannot be understood as limiting the present invention. In addition, the terms: first, second, etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features shown. In the description of the present invention, unless otherwise clearly specified and limited, the terms: install, connect, connect, etc. should be understood in a broad sense, and ordinary technicians in this field can understand the specific meaning of the above terms in this practicality according to the specific circumstances.

[0039] Reference Figures 1 to 11 A NdFeB magnet cutting device is used for cutting a cylindrical NdFeB workpiece 120, including a base 100, a blanking port 110 is arranged in the middle of the base 100, and a cutting mechanism 200, a clamping mechanism 300 and a feeding mechanism 400 are assembled around the blanking port 110 on the base 100.

[0040] The cutting mechanism 200 includes a mounting frame 210, on which a transverse sliding module 220 is mounted, on which a lifting sliding module 230 is mounted, on which a lifting sliding module 230 is mounted, on which a lifting substrate is mounted, and on which a laser cutting module 240 is mounted. A laser head 241 is arranged at the bottom of the laser cutting module 240, and a nozzle 242 is arranged at the bottom of the laser head 241. A cooling pipeline and an auxiliary gas port 244 are arranged on the laser head 241, and the cooling pipeline is externally connected to a cooling circulation system, and the auxiliary gas port 244 is externally connected to an air pump. The design of the cooling pipeline can effectively reduce the temperature of the laser head 241 during operation, and ensure its stability and service life. The auxiliary gas port 244 is used to introduce auxiliary gas to remove the slag generated during the cutting process, thereby improving the cutting quality and efficiency.

[0041] The cooling pipeline includes a transparent tube 243, which is exposed outside the laser head 241. The design of the transparent tube 243 allows the user to visually observe the circulation of the coolant in the cooling pipeline, so as to timely find out whether the flow of the coolant is normal, whether there are bubbles or blockages, etc. In addition, by installing a temperature detection module on the transparent tube 243, the temperature of the coolant can be monitored in real time, which helps to quickly diagnose the failure of the cooling system, improve maintenance efficiency, and reduce downtime.

[0042] Furthermore, the laser head 241 is equipped with a collector 250, and the middle of the collector 250 is a processing area 251 for accommodating the NdFeB workpiece 120, and the bottom of the collector 250 is provided with an opening 252 for the NdFeB workpiece 120 to pass through. The nozzle 242 is located in the processing area 251, and the processing area 251 is provided with a guide air port 253 and a collection air port 254 on the left and right sides of the nozzle 242. The guide air port 253 is used to eject air flow, and the air flow enters the collection air port 254 after passing through the processing area 251, and slag is collected during the process, thereby improving the cutting quality and work efficiency, and protecting the laser head 241 from damage by slag. Such a design can effectively collect the slag generated during the cutting process to prevent it from scattering and polluting the working environment.

[0043] Among them, the laser head 241 is provided with a positioning surface 245, and the collector 250 is provided with an adapting surface 257 adapted to the positioning surface 245. The design of the positioning surface 245 and the adapting surface 257 ensures the precise positioning between the collector 250 and the laser head 241, and improves the accuracy and stability of the installation. The collector 250 and the laser head 241 are fixedly connected by a fixing assembly 260. The fixing assembly 260 includes a cylinder seat 261 and a pulling shaft 262, a sliding cavity is provided in the cylinder seat 261, and the pulling shaft 262 is assembled in the sliding cavity, one end of the pulling shaft 262 extends from the top of the cylinder seat 261 and is provided with a pulling block 263, and the other end of the pulling shaft 262 is provided with a stop 264, and a spring 266 is assembled between the stop 264 and the top wall of the sliding cavity. The stopper 264 is provided with a fixing head 265, and the side of the laser head 241 is provided with a fixing hole 258 that matches the fixing head 265. The user can easily remove the collector 250 from the laser head 241 by pulling out the pull block 263, which is simple and quick to operate and convenient for maintenance and replacement.

[0044] As an embodiment of the collector 250, baffles 255 are provided on both the front and rear sides of the collector 250, and the baffles 255 cooperate with the inner wall of the collector 250 to form an airflow groove 256. The ventilation directions of the guide air port 253 and the collecting air port 254 are tangent to the inner wall of the collector 250. Such a design enables the airflow groove 256 to limit the slag in the processing area 251 as much as possible, thereby improving the collection efficiency of the slag. At the same time, the design that the guide air port 253 and the collecting air port 254 are tangent to the inner wall of the collector 250 can avoid the collision between the airflow and the inner wall, reduce the turbulence of the airflow, thereby preventing the slag from being carried out of the collector 250 by the turbulent airflow, and ensuring the cleanliness of the working environment. The opening 252 divides the collector 250 into a left half cover and a right half cover, and the lower parts of the left half cover and the right half cover are both arc-shaped, and the tangent line tangent to the bottom of the left half cover and the tangent line tangent to the bottom of the right half cover are designed to be collinear. The guide air port 253 is located in the left half cover, and the collecting air port 254 is located in the right half cover. The airflow ejected from the guide air port 253 can enter the right half cover through the opening 252 along the inner wall of the left half cover, and then be collected by the collecting air port 254. The design of the tangent line collinearity is to prevent the airflow from escaping to the outside of the collector cover 250 when passing through the opening 252, reduce gas waste, and prevent slag from being taken out of the collector cover 250, thereby improving gas utilization and the cleanliness of the working environment.

[0045] As another embodiment of the collector cover 250, the difference between this embodiment and the previous embodiment is that the collector cover 250 is capsule-shaped. The capsule-shaped collector cover 250 can guide the airflow more effectively, reduce the turbulence and turbulence of the airflow, and make the airflow flow more smoothly from the guide air port 253 to the collection air port 254, thereby improving the transmission efficiency of the gas and ensuring that the gas flows inside the collector cover 250 without escaping to the external environment.

[0046] The clamping mechanism 300 includes a first clamp 310 and a second clamp 320, and the first clamp 310 and the second clamp 320 are respectively arranged on both sides of the blanking port 110. The first clamp 310 includes a base 311, and a chuck 312 and an adjustment motor 313 are installed on the base 311. The adjustment motor 313 drives the chuck 312 to rotate and adjust the angle of the NdFeB workpiece 120. The second clamp 320 includes a clamping sliding module 321, and a slide 322 is installed on the clamping sliding module 321. The slide 322 is equipped with an ejector pin 323. The ejector pin 323 and the chuck 312 cooperate to fix the NdFeB workpiece 120.

[0047] The clamping mechanism 300 also includes a blanking assembly 330, which includes a blanking cylinder 331, a connecting rod 332 and a push rod 423. The middle of the connecting rod 332 is hinged to the base 311, one end of the connecting rod 332 is connected to the blanking cylinder 331, and the other end is connected to the push rod 423. The chuck 312 is provided with a slot for fixing the NdFeB workpiece 120, and the bottom of the slot is provided with a through slot that passes through the chuck 312, and the push rod 423 is sleeved in the through slot. This design can ensure that the workpiece can be smoothly pushed out after processing, which is convenient for blanking and subsequent processing, and improves the automation and work efficiency of the overall production line.

[0048] The feeding mechanism 400 includes a magazine 410, an ejection assembly 420 and a conveying assembly 430. The magazine 410 is provided with a loading chamber for placing the NdFeB workpiece 120. The ejection assembly 420 pushes the NdFeB workpiece 120 located in the loading chamber out of the magazine 410. The conveying assembly 430 is used to receive the NdFeB workpiece 120 ejected from the magazine 410 and deliver it to the clamping mechanism 300.

[0049] Specifically, the top opening 252 of the loading chamber is provided, and the NdFeB workpieces 120 are neatly arranged in the loading chamber in a consistent direction during loading. The loading chamber is divided into a loading section 411 and a unloading section 412, and the ejection assembly 420 is assembled on one side of the unloading section 412. The unloading section 412 is arranged vertically, and the connection between the loading section 411 and the unloading section 412 is smoothly transitioned. This design can ensure that the workpiece smoothly transitions from the loading section 411 to the unloading section 412, reduce jamming and damage, and improve the fluidity and stability of the workpiece. The ejection assembly 420 includes a fixed frame 421, and a pushing cylinder 422 is assembled on the fixed frame 421, and the pushing cylinder 422 is connected to a pushing rod 423. A pushing hole and a discharging hole are respectively arranged on both sides of the lowest point of the unloading section 412, and the pushing rod 423 is located in the pushing hole, and the conveying assembly 430 is located on one side of the discharging hole. The transport assembly 430 includes a transport sliding module 431, a clamping cylinder 432 is connected to the transport sliding module 431, and the clamping cylinder 432 is connected to an air gripper 433 adapted to the NdFeB workpiece 120. Such a design can achieve accurate grasping and transport of the workpiece, improve the stability and accuracy of the transport, reduce damage to the workpiece during the transport process, and ensure the smooth progress of subsequent processing.

[0050] In order to prevent the NdFeB workpiece 120 from getting stuck due to overcrowding when entering the unloading section 412, the fixing frame 421 is also equipped with an anti-stuck motor 440, and the anti-stuck motor 440 is connected to an anti-stuck wheel 441, and the anti-stuck wheel 441 is located in the connection between the unloading section 412 and the loading section 411. The anti-stuck wheel 441 is ringed with partition pieces, and a space capable of accommodating the NdFeB workpiece 120 is formed between adjacent partition pieces. The anti-stuck motor 440 drives the anti-stuck wheel 441 to rotate, which can drive the NdFeB workpiece 120 to enter the unloading section 412, and can effectively prevent the NdFeB workpiece 120 from getting stuck due to overcrowding when entering the unloading section 412. This design ensures the smooth flow of workpieces, improves production efficiency, and reduces the downtime and equipment damage risks caused by material jamming.

[0051] The protection scope of the present invention includes but is not limited to the above embodiments. The protection scope of the present invention shall be based on the claims. Any replacement, deformation, and improvement of the technology that can be easily thought of by technicians in this field shall fall within the protection scope of the present invention.

Claims

1. A NdFeB magnet cutting device for cutting a cylindrical NdFeB workpiece (120), characterized in that: The invention comprises a base (100), wherein a blanking opening (110) is arranged in the middle of the base (100), and the base (100) is equipped with: The cutting mechanism (200) comprises a mounting frame (210), the mounting frame (210) being equipped with a transverse sliding module (220), the transverse sliding module (220) being equipped with a lifting sliding module (230), the lifting sliding module (230) being equipped with a lifting base plate, and the lifting base plate being equipped with a laser cutting module (240); A clamping mechanism (300), the clamping mechanism (300) comprising a first clamp (310) and a second clamp (320), the first clamp (310) and the second clamp (320) being respectively arranged on both sides of the blanking opening (110); the first clamp (310) comprising a base (311), the base (311) being equipped with a chuck (312) and an adjusting motor (313), the adjusting motor (313) driving the chuck (312) to rotate and adjust the angle of the NdFeB workpiece (120); the second clamp (320) comprising a clamping sliding module (321), the clamping sliding module (321) being equipped with a slide seat (322), the slide seat (322) being equipped with an ejector pin (323), the ejector pin (323) and the chuck (312) cooperating to fix the NdFeB workpiece (120); A feeding mechanism (400) comprising a magazine (410), an ejection assembly (420) and a transport assembly (430); a loading chamber for placing a NdFeB workpiece (120) is provided in the magazine (410); the ejection assembly (420) ejects the NdFeB workpiece (120) in the loading chamber out of the magazine (410); and the transport assembly (430) is used to receive the NdFeB workpiece (120) ejected from the magazine (410) and transport it to a clamping mechanism (300).

2. A NdFeB magnet cutting device according to claim 1, characterized in that: A laser head (241) is arranged at the bottom of the laser cutting module (240), and a nozzle (242) is arranged at the bottom of the laser head (241); a cooling pipeline and an auxiliary air port (244) are arranged on the laser head (241), the cooling pipeline is externally connected to a cooling circulation system, and the auxiliary air port (244) is externally connected to an air pump.

3. A NdFeB magnet cutting device according to claim 2, characterized in that: The laser head (241) is equipped with a collector cover (250), the center of the collector cover (250) is a processing area (251) for accommodating a neodymium iron boron workpiece (120), and the bottom of the collector cover (250) is provided with an opening (252) for the neodymium iron boron workpiece (120) to pass through; the nozzle (242) is located in the processing area (251), and the processing area (251) is provided with a guide air port (253) and a collection air port (254) on the left and right sides of the nozzle (242), respectively.

4. A NdFeB magnet cutting device according to claim 3, characterized in that: Baffles (255) are provided on both the front and rear sides of the collector cover (250), and the baffles (255) and the inner wall of the collector cover (250) cooperate to form an airflow groove (256).

5. The NdFeB magnet cutting device according to claim 3, characterized in that: The ventilation directions of the air guide port (253) and the air collection port (254) are both tangent to the inner wall of the collector cover (250).

6. The NdFeB magnet cutting device according to claim 1, characterized in that: The clamping mechanism (300) further comprises a blanking assembly (330), the blanking assembly (330) comprising a blanking cylinder (331), a connecting rod (332) and a push rod (423); the middle of the connecting rod (332) is hinged to the base (311), one end of the connecting rod (332) is connected to the blanking cylinder (331), and the other end is connected to the push rod (423); the chuck (312) is provided with a slot for fixing the NdFeB workpiece (120), the bottom of the slot is provided with a through slot penetrating the chuck (312), and the push rod (423) is sleeved in the through slot.

7. The NdFeB magnet cutting device according to claim 1, characterized in that: The loading chamber has an opening (252) at the top, and when loading, the NdFeB workpieces (120) are neatly arranged in the loading chamber in a consistent direction. The loading chamber is divided into a loading section (411) and a unloading section (412), and the ejection assembly (420) is assembled on one side of the unloading section (412). The unloading section (412) is arranged vertically, and the connection between the loading section (411) and the unloading section (412) is smoothly transitioned.

8. The NdFeB magnet cutting device according to claim 7, characterized in that: The ejection assembly (420) comprises a fixed frame (421), a pushing cylinder (422) is mounted on the fixed frame (421), and the pushing cylinder (422) is connected to a pushing rod (423); a pushing hole and a discharge hole are respectively arranged on both sides of the lowest point of the unloading section (412), the pushing rod (423) is located in the pushing hole, and the transport assembly (430) is located on one side of the discharge hole.

9. A NdFeB magnet cutting device according to claim 8, characterized in that: The fixing frame (421) is also equipped with an anti-stuck motor (440), the anti-stuck motor (440) is connected to an anti-stuck wheel (441), and the anti-stuck wheel (441) is located in the connection between the unloading section (412) and the placing section (411); partition pieces are arranged around the anti-stuck wheel (441), and a space capable of accommodating the NdFeB workpiece (120) is formed between adjacent partition pieces.

10. The NdFeB magnet cutting device according to claim 1, characterized in that: The transport assembly (430) comprises a transport sliding module (431), the transport sliding module (431) is connected to a clamping cylinder (432), and the clamping cylinder (432) is connected to an air claw (433) adapted to the NdFeB workpiece (120).

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