Neodymium-iron-boron magnet surface coating treatment device

Abstract

The utility model relates to the field of coating treatment devices, in particular to a neodymium-iron-boron magnet surface coating treatment device. The technical problems that according to an existing plating treatment device, a fixed plating solution tank is generally adopted for plating treatment of a magnet, due to the fact that the size and the shape of the plating solution tank are machined and fixed according to the specified magnet, the plating solution tank needs to be replaced multiple times to adapt to plating treatment of the magnet in the production process, and the plating effect of the magnet is affected are solved. And the overall production efficiency is reduced. According to the technical scheme, the neodymium-iron-boron magnet surface coating treatment device comprises a machining box, a clamping assembly, a conveying assembly and a filtering assembly; the driving motor is used for driving the telescopic rod to be connected with the clamping plate to clamp the magnet for plating treatment, the clamping plate can firmly clamp the magnet, the stability of the plating treatment process is guaranteed, meanwhile, the length of the telescopic rod is controlled, the clamping position and clamping force are convenient to adjust, the operation time is shortened, and the position of the magnet in the plating treatment process is guaranteed; and the coating quality of the product is improved.

Description

Technical Field

[0001] The utility model relates to the field of coating treatment devices, in particular to a coating treatment device for the surface of a neodymium iron boron magnet. Background Art

[0002] NdFeB magnet is a strong permanent magnet with extremely high magnetization intensity and coercive force, and has excellent magnetic properties, such as high magnetic energy product, high coercive force, good corrosion resistance and stability. Surface coating treatment of NdFeB magnet can improve the wear resistance, corrosion resistance and conductivity of the magnet, and extend the service life of the magnet. The surface coating treatment device of NdFeB magnet is usually used to heat the NdFeB magnet so that its surface temperature reaches the requirements of the plating solution. In the existing coating treatment device, a fixed plating solution tank is usually used to coat the magnet during the treatment process. Since the size and shape of the plating solution tank are processed and fixed according to the specified magnet, the plating solution tank needs to be replaced many times during the production process to adapt to the magnet for coating treatment, which affects the coating effect of the magnet and reduces the overall production efficiency. Therefore, we propose a surface coating treatment device for NdFeB magnet to solve the above problems. Utility Model Content

[0003] In order to overcome the existing coating treatment device, a fixed plating tank is usually used to coat the magnet. Since the size and shape of the plating tank are processed and fixed according to the specified magnet, the plating tank needs to be replaced many times during the production process to adapt to the magnet for coating treatment, which affects the coating effect of the magnet and reduces the overall production efficiency.

[0004] The technical solution of the utility model is: a device for treating the surface coating of a NdFeB magnet, comprising a processing box, a clamping assembly, a conveying assembly and a filtering assembly; a clamping assembly for clamping the NdFeB magnet for surface coating treatment is installed at the upper end of the processing box, a processing tank is provided at the upper end of the processing box, a conveying assembly for conveying the NdFeB magnet for treatment is installed at the outer end of the processing tank, and a filtering assembly for filtering impurities and particles in a treatment solution is installed on the outer wall of the processing tank.

[0005] Preferably, a rotating motor is used to drive a rotating rod to drive a slider connected to a magnet to slide into a processing box for processing. During the driving and sliding process of the slider, the magnet can evenly contact the processing liquid, ensuring the uniformity of the surface coating and avoiding local uneven coating. At the same time, the sliding speed and trajectory are controlled according to needs to achieve precise control and adjustment of the processing process to meet the processing needs of different products and requirements. The driving motor is used to drive the telescopic rod to connect the clamping plate to clamp the magnet for coating. The clamping plate can firmly clamp the magnet and control the length of the telescopic rod to facilitate the adjustment of the clamping position and clamping force to ensure the position of the magnet during the coating process. The movable rod can assist in pushing the movable plate to assist the clamping of the clamping plate according to the size of the magnet, so that the clamping plate can adapt to magnets of different sizes. The unstable clamping caused by size mismatch is avoided, and the stable coating of the magnet is achieved. The micro-motor drives the roller to be connected to the conveyor belt to quickly and accurately convey the magnet to the processing area, while maintaining the stable positioning of the magnet to ensure that the position of the magnet remains unchanged during the entire processing process, ensuring the uniformity and consistency of the surface coating. The rebound spring combined with the adjustment rod to connect the pressure plate rebound provides a stable clamping force to clamp the magnet for stable transmission, ensuring that the magnet will not slide or shift during the transmission process, facilitating the adjustment of the clamping force and the clamping position, reducing scratches and damage to the magnet surface, and protecting the magnet surface from damage. The filter screen is used to filter the processing solution to filter out impurities and particulate matter in the processing solution to avoid these impurities from damaging the equipment and ensuring the appearance quality of the product.

[0006] Preferably, the clamping assembly includes a support frame, a rotating rod, a rotating motor, a slider, a support plate, a telescopic rod, a driving motor, a clamp, a movable plate and a cylinder. A rotating rod is provided inside the support frame, and a rotating groove for accommodating the rotating rod is opened inside the support frame. One end of the rotating rod is located on the outer wall of the support frame and a rotating motor is provided. A slider is provided on the outer end of the rotating rod. The rotating rod is driven by the rotating motor to drive the slider to connect the magnet and slide to the inside of the processing box for processing. During the driving and sliding process of the slider, the magnet can evenly contact the processing liquid, ensuring the uniformity of the surface coating and avoiding local uneven coating. At the same time, the sliding speed and trajectory are controlled according to needs to achieve precise control and adjustment of the processing process to meet the processing needs of different products and requirements.

[0007] Preferably, a support plate is provided at the upper end of the slider, and the slider slides along the rotating groove through a rotating rod, a telescopic rod is provided at the lower end of the slider, a driving motor is provided between the telescopic rod and the slider, a receiving groove for accommodating the driving motor is opened inside the slider, and a clamp is provided at the lower end of the telescopic rod. The driving motor drives the telescopic rod to connect the clamp to clamp the magnet for coating treatment. The clamp can firmly clamp the magnet, ensuring the stability of the coating treatment process, while controlling the length of the telescopic rod, facilitating the adjustment of the clamping position and clamping force, reducing the operation time, ensuring the position of the magnet during the coating treatment process, and improving the coating quality of the product.

[0008] Preferably, a movable plate is provided on the inner wall of the splint, a movable rod is provided between the movable plate and the splint, a cylinder is provided at the end of the movable rod away from the movable plate, the movable plate is movably connected along the inner side of the splint through the movable rod, and the movable plate is pushed by the movable rod to assist the splint in clamping according to the size of the magnet, so that the splint can adapt to magnets of different sizes, avoiding unstable clamping caused by size mismatch and achieving stable coating of the magnet.

[0009] Preferably, the transmission assembly includes a roller, a conveyor belt, a micro motor, a limit frame, a sleeve, a pressure plate, an adjusting rod, a fixed plate, a rotating cylinder, a pad, an inclined plate and a rotor motor. The outer wall of the roller is sleeved with a conveyor belt, one end of the roller is located on the outer wall of a processing box and a micro motor is provided. The outer wall of the conveyor belt is provided with a limit frame, and a plurality of limit frames are provided. The plurality of limit frames are arranged around the outer wall of the conveyor belt. The micro motor drives the roller to be sleeved with the conveyor belt to quickly and accurately transport the magnet to the processing area, while keeping the magnet stably positioned, ensuring that the magnet remains in the same position during the entire processing process, ensuring the uniformity and consistency of the surface coating, reducing the processing time and improving the production efficiency.

[0010] Preferably, the inner wall of the limit frame is provided with a sleeve, and the sleeve is provided with two groups. Adjustment rods are provided inside the two groups of sleeves, and a pressure plate is provided at the end of the adjustment rod away from the sleeve. A rebound spring is provided on the outer wall of the adjustment rod, and a spring damping is provided on the inner side of the rebound spring. The rebound spring is combined with the adjustment rod to connect the pressure plate to rebound to provide a stable clamping force to clamp the magnet for stable transmission, ensuring that the magnet will not slide or shift during the transmission process. The clamping force and clamping position are easy to adjust to adapt to magnets of different sizes and shapes, reduce scratches and damage to the surface of the magnet, and protect the surface of the magnet from damage.

[0011] Preferably, a fixed plate is provided at the lower end of the conveyor belt, a rotating cylinder is provided on the inner wall of the fixed plate, one end of the rotating cylinder is located on the outer wall of the processing box and a rotor motor is provided, the outer wall of the rotating cylinder is provided with a driving belt, the outer wall of the driving belt is provided with a pad, and the inclined plate is located on the outside of the rotating cylinder. The processed magnets are transmitted and stored by using a rotor motor to drive the rotating cylinder provided with a driving belt combined with a pad. The pad provides a certain buffering force to prevent the magnets from colliding and breaking when they fall to the upper end of the driving belt, thereby improving the integrity of the magnet processing.

[0012] Preferably, the filter assembly includes a docking frame, a rubber threaded block, a filter screen and a connecting card block. The outer end of the docking frame is provided with a rubber threaded block, and the rubber threaded block is buckled with the docking frame. The filter screen is located on the inner wall of the processing tank. A connecting card block is provided between the filter screen and the processing box. The processing solution is filtered by using the filter screen to filter out impurities and particulate matter in the processing solution, thereby preventing these impurities from damaging the equipment and ensuring the appearance quality of the product.

[0013] Beneficial effects of the utility model:

[0014] 1. Compared with the traditional processing device, a rotating motor is used to drive a rotating rod to drive the slider to connect the magnet to slide into the processing box for processing. During the driving and sliding process of the slider, the magnet can evenly contact the processing liquid, ensuring the uniformity of the surface coating and avoiding local uneven coating. At the same time, the sliding speed and trajectory are controlled according to the needs to achieve precise control and adjustment of the processing process to meet the processing needs of different products and requirements. The driving motor is used to drive the telescopic rod to connect the splint to clamp the magnet for coating. The splint can firmly clamp the magnet to ensure the stability of the coating process. At the same time, the length of the telescopic rod is controlled to facilitate the adjustment of the clamping position and clamping force, reducing the operation time, ensuring the position of the magnet during the coating process, and improving the coating quality of the product. The movable rod can assist in pushing the movable plate to assist the clamping of the splint according to the size of the magnet, so that the splint can adapt to magnets of different sizes, avoiding unstable clamping due to size mismatch, and achieving stable coating of the magnet.

[0015] 2. The magnet is quickly and accurately transferred to the processing area by a micro motor driving the roller sleeve conveyor belt, while maintaining the stable positioning of the magnet, ensuring that the magnet remains in the same position during the entire processing process, ensuring the uniformity and consistency of the surface coating, reducing the processing time, and improving production efficiency. The rebound spring combined with the adjustment rod to connect the pressure plate rebound provides a stable clamping force to clamp the magnet for stable transmission, ensuring that the magnet will not slide or shift during the transmission process, facilitating the adjustment of the clamping force and the clamping position, reducing scratches and damage to the magnet surface, and protecting the magnet surface from damage. The filter screen is used to filter the processing solution to filter out impurities and particulate matter in the processing solution to prevent these impurities from damaging the equipment and ensure the appearance quality of the product. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the support frame structure of the utility model;

[0018] Figure 3 This is a schematic diagram of the structure of the clamping assembly of the utility model;

[0019] Figure 4 This is a schematic diagram of the structure of the transmission component of the utility model;

[0020] Figure 5 This is a schematic diagram of the structure of the filter assembly of the utility model.

[0021] Explanation of the accompanying drawings: 1. processing box; 2. clamping assembly; 201. support frame; 202. rotating rod; 203. rotating motor; 204. slider; 205. support plate; 206. telescopic rod; 207. driving motor; 208. clamping plate; 209. movable plate; 210. cylinder; 3. transmission assembly; 301. roller; 302. conveyor belt; 303. micro motor; 304. limiting frame; 305. sleeve; 306. pressure plate; 307. adjusting rod; 308. fixing plate; 309. rotating cylinder; 310. pad; 311. inclined plate; 312. rotor motor; 4. filtering assembly; 401. docking frame; 402. rubber threaded block; 403. filter screen; 404. connecting block. DETAILED DESCRIPTION

[0022] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0023] See also Figure 1-5 The utility model provides an embodiment: a device for treating the surface coating of a NdFeB magnet, comprising a processing box 1, a clamping assembly 2, a conveying assembly 3 and a filtering assembly 4; a clamping assembly 2 for clamping the NdFeB magnet for surface coating treatment is installed at the upper end of the processing box 1, a processing tank is opened at the upper end of the processing box 1, a conveying assembly 3 for conveying the NdFeB magnet for treatment is installed at the outer end of the processing tank, and a filtering assembly 4 for filtering impurities and particles in a treatment solution is installed on the outer wall of the processing tank.

[0024] See also Figure 1-2In this embodiment, the clamping assembly 2 includes a support frame 201, a rotating rod 202, a rotating motor 203, a slider 204, a support plate 205, a telescopic rod 206, a driving motor 207, a clamping plate 208, a movable plate 209 and a cylinder 210. The support frame 201 is provided with a rotating rod 202 inside, and the support frame 201 is provided with a rotating groove for accommodating the rotating rod 202. One end of the rotating rod 202 is located on the outer wall of the support frame 201 and a rotating motor 203 is provided. The outer end of the rotating rod 202 is sleeved with a slider 204. The rotating rod 202 is driven by the rotating motor 203 to drive the slider 204 to connect the magnet to slide into the processing box for processing. During the driving and sliding process of the slider 204, the magnet can evenly contact the processing liquid, ensuring the uniformity of the surface coating and avoiding local uneven coating. At the same time, the sliding speed can be controlled according to demand. and trajectory, to achieve precise control and adjustment of the processing process to meet the processing needs of different products and requirements, a support plate 205 is provided at the upper end of the slider 204, the slider 204 slides along the inside of the rotating groove through the rotating rod 202, a telescopic rod 206 is provided at the lower end of the slider 204, a driving motor 207 is provided between the telescopic rod 206 and the slider 204, and a receiving groove for accommodating the driving motor 207 is opened inside the slider 204, and a clamping plate 208 is provided at the lower end of the telescopic rod 206. The driving motor 207 drives the telescopic rod 206 to connect the clamping plate 208 to clamp the magnet for coating treatment. The clamping plate 208 can firmly clamp the magnet, thereby ensuring the stability of the coating treatment process. At the same time, the length of the telescopic rod 206 is controlled, which is convenient for adjusting the clamping position and clamping force, reducing the operation time, ensuring the position of the magnet during the coating treatment process, and improving the coating quality of the product.

[0025] See also Figure 1-3In this embodiment, a movable plate 209 is provided on the inner wall of the clamping plate 208, a movable rod is provided between the movable plate 209 and the clamping plate 208, and a cylinder 210 is provided at one end of the movable rod away from the movable plate 209. The movable plate 209 is movably connected along the inner side of the clamping plate 208 through the movable rod. The movable plate 209 is pushed by the movable rod according to the size of the magnet to assist the clamping of the clamping plate 208, so that the clamping plate 208 can adapt to magnets of different sizes, avoiding unstable clamping caused by size mismatch, and realizing stable coating of the magnet. The transmission component 3 includes a roller 301, a conveyor belt 302, a micro motor 303, a limit frame 304, a sleeve 305, a pressing plate 306, an adjusting rod 307, a fixed Plate 308, rotating cylinder 309, pad 310, inclined plate 311 and rotor motor 312, the outer wall of the roller 301 is sleeved with a conveyor belt 302, one end of the roller 301 is located on the outer wall of the processing box 1 and is provided with a micro motor 303, the outer wall of the conveyor belt 302 is provided with a limit frame 304, and the limit frame 304 is provided with a plurality of groups, and the plurality of groups of limit frames 304 are arranged around the outer wall of the conveyor belt 302, and the micro motor 303 is used to drive the roller 301 to sleeve the conveyor belt 302 to quickly and accurately transfer the magnet to the processing area, while keeping the magnet stably positioned, ensuring that the position of the magnet remains unchanged during the entire processing process, ensuring the uniformity and consistency of the surface coating, reducing the processing time, and improving the production efficiency.

[0026] See also Figure 2-5In this embodiment, a sleeve 305 is provided on the inner wall of the limit frame 304, and the sleeve 305 is provided with two groups. An adjusting rod 307 is provided inside the two groups of sleeves 305. A pressure plate 306 is provided at one end of the adjusting rod 307 away from the sleeve 305. A rebound spring is sleeved on the outer wall of the adjusting rod 307, and a spring damping is provided on the inner side of the rebound spring. The rebound spring is combined with the adjusting rod 307 to connect the pressure plate 306 to rebound to provide a stable clamping force to clamp the magnet for stable transmission, ensuring that the magnet will not slide or shift during the transmission process, and facilitating the adjustment of the clamping force and the clamping position to adapt to magnets of different sizes and shapes, reduce scratches and damage to the surface of the magnet, and protect the surface of the magnet from damage. A fixed plate 308 is provided at the lower end of the conveyor belt 302, and a rotating cylinder 309 is provided on the inner wall of the fixed plate 308. One end of the rotating cylinder 309 is located on the outer wall of the processing box 1 and a rotor motor 312 is provided. The outer wall of the rotating cylinder 309 is sleeved with a driving The outer wall of the driving belt is provided with a pad 310, and the inclined plate 311 is located on the outer side of the rotating cylinder 309. The rotor motor 312 is used to drive the rotating cylinder 309 to be sleeved with a driving belt combined with the pad 310 to transmit and store the processed magnets. The pad 310 provides a certain buffering force to prevent the magnets from colliding and breaking when they fall to the upper end of the driving belt, thereby improving the integrity of the magnet processing. The filter component 4 includes a docking frame 401, a rubber threaded block 402, a filter screen 403 and a connecting block 404. The outer end of the docking frame 401 is provided with a rubber threaded block 402, and the rubber threaded block 402 is buckled with the docking frame 401. The filter screen 403 is located on the inner wall of the processing tank, and a connecting block 404 is provided between the filter screen 403 and the processing box 1. The filter screen 403 is used to filter the processing solution to filter out impurities and particulate matter in the processing solution, thereby preventing these impurities from damaging the equipment and ensuring the appearance quality of the product.

[0027] When working, first adjust the speed of the rotating rod 202 to drive the slider 204 to slide according to the time of magnet coating, pull the rubber threaded block 402 out of the docking frame 401, use the treatment liquid transmission pipe to dock and fix it with the docking frame 401, and use the transmission pipe to transmit the coating treatment liquid to the inside of the treatment tank, and use the filter net 403 to filter the treatment solution to filter out impurities and particulate matter in the treatment solution to prevent these impurities from damaging the equipment. After the treatment liquid is added, use the rubber threaded block 402 to plug it into the docking frame 401 for sealing to prevent impurities from entering the interior, place the magnet to be processed inside the limit frame 304, use the rebound spring combined with the adjustment rod 307 to connect the pressure plate 306 to rebound to provide a stable clamping force to clamp the magnet for stable transmission, ensuring that the magnet will not slide or shift during the transmission process. When the magnet is fixed, start the micro motor 303 to drive the roller 301 to sleeve the conveyor belt 302 to quickly and accurately transmit the magnet to the processing area, while keeping the magnet stably positioned to ensure that the magnet remains in the same position during the entire processing process.

[0028] When the magnet moves to the specified position, the rotating motor 203 is started to drive the rotating rod 202 to drive the slider 204 connected to the magnet to slide above the magnet, and the driving motor 207 is used to drive the telescopic rod 206 to connect the clamping plate 208 and insert it into the inside of the limit plate. When the telescopic rod 206 is extended to the end, the cylinder 210 inside the clamping plate 208 is connected to the movable rod to push the movable plate 209 to clamp the magnet. The movable rod can assist in pushing the movable plate 209 to assist the clamping plate 208 in clamping according to the size of the magnet, so that the clamping plate 208 can adapt to magnets of different sizes, avoiding unstable clamping caused by size mismatch, and achieving stable coating of the magnet. At the same time, the length of the telescopic rod 206 is controlled to facilitate the adjustment of the clamping position and clamping force to ensure the position of the magnet during the coating process. After the movable plate 209 clamps the magnet, the driving motor 207 drives the telescopic rod 206 to move to the clamping plate 208. The rod 206 rises and takes out the magnet from the internal clamp of the limit frame 304. At the same time, the rotating motor 203 drives the rotating rod 202 to connect the slider 204 to slide. After the magnet moves to the top of the processing tank, the telescopic rod 206 drops again, so that the magnet is evenly in contact with the processing liquid, avoiding local uneven coating. At the same time, the sliding speed and trajectory are controlled according to needs, and the processing process is accurately controlled and adjusted to meet the processing needs of different products and requirements. After the magnet is plated, the clamping plate 208 places the magnet in the limit frame 304 for storage. After being transported by the conveyor belt 302, when the magnet rotates to the bottom of the conveyor belt 302, the magnet falls to the top of the pad 310 due to gravity, and the rotor motor 312 is used to drive the driving belt to transport the processed magnet, which slides from the inclined plate 311 to the storage frame for storage, thereby realizing the surface coating treatment of the NdFeB magnet.

[0029] Through the above steps, the rotating motor 203 is used to drive the rotating rod 202 to drive the slider 204 connected to the magnet to slide into the processing box for processing. During the driving and sliding process of the slider 204, the magnet can evenly contact the processing liquid, ensuring the uniformity of the surface coating and avoiding local uneven coating. At the same time, the sliding speed and trajectory are controlled according to needs to achieve precise control and adjustment of the processing process to meet the processing needs of different products and requirements. The driving motor 207 is used to drive the telescopic rod 206 to connect the clamping plate 208 to clamp the magnet for coating treatment. The clamping plate 208 can firmly clamp the magnet and control the length of the telescopic rod 206 at the same time. It is convenient to adjust the clamping position and clamping force to ensure the position of the magnet during the coating process. The movable rod can assist in pushing the movable plate 209 to assist the clamping of the clamping plate 208 according to the size of the magnet, so that the clamping plate 208 can It can adapt to magnets of different sizes, avoid unstable clamping caused by size mismatch, and achieve stable coating of the magnet. The micro motor 303 drives the roller 301 to be connected to the conveyor belt 302 to quickly and accurately convey the magnet to the processing area, while maintaining the stable positioning of the magnet to ensure that the position of the magnet remains unchanged during the entire processing process, ensuring the uniformity and consistency of the surface coating. The rebound spring combined with the adjustment rod 307 is used to connect the pressure plate 306 to rebound to provide a stable clamping force to clamp the magnet for stable transmission, ensuring that the magnet will not slide or shift during the transmission process, facilitating the adjustment of the clamping force and the clamping position, reducing scratches and damage to the magnet surface, and protecting the magnet surface from damage. The filter 403 is used to filter the processing solution to filter out impurities and particulate matter in the processing solution to avoid these impurities from damaging the equipment and ensuring the appearance quality of the product.

[0030] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of those skilled in the art without departing from the purpose of the present invention.

Claims

1. A device for treating the surface coating of a neodymium iron boron magnet, comprising a processing box (1); characterized in that: The invention also comprises a clamping component (2), a conveying component (3) and a filtering component (4); the upper end of the processing box (1) is provided with a clamping component (2) for clamping the NdFeB magnet to perform coating treatment on the surface; the upper end of the processing box (1) is provided with a processing tank; the outer end of the processing tank is provided with a conveying component (3) for conveying the NdFeB magnet for processing; the outer wall of the processing tank is provided with a filtering component (4) for filtering impurities and particles in the processing solution.

2. The surface coating treatment device for NdFeB magnets according to claim 1, characterized in that: The clamping assembly (2) comprises a support frame (201), a rotating rod (202), a rotating motor (203), a slider (204), a support plate (205), a telescopic rod (206), a driving motor (207), a clamping plate (208), a movable plate (209) and a cylinder (210); a rotating rod (202) is arranged inside the support frame (201); a rotating groove for accommodating the rotating rod (202) is provided inside the support frame (201); a rotating motor (203) is arranged at one end of the rotating rod (202) and is located on the outer wall of the support frame (201); and a slider (204) is sleeved on the outer end of the rotating rod (202).

3. The surface coating treatment device for NdFeB magnets according to claim 2, characterized in that: A support plate (205) is provided at the upper end of the slider (204), the slider (204) slides along the inside of the rotating groove through the rotating rod (202), a telescopic rod (206) is provided at the lower end of the slider (204), a driving motor (207) is provided between the telescopic rod (206) and the slider (204), a receiving groove for receiving the driving motor (207) is provided inside the slider (204), and a clamping plate (208) is provided at the lower end of the telescopic rod (206).

4. The surface coating treatment device for NdFeB magnets according to claim 3, characterized in that: A movable plate (209) is provided on the inner wall of the clamping plate (208), a movable rod is provided between the movable plate (209) and the clamping plate (208), a cylinder (210) is provided at one end of the movable rod away from the movable plate (209), and the movable plate (209) is movably connected along the inner side of the clamping plate (208) through the movable rod.

5. The surface coating treatment device for NdFeB magnets according to claim 1, characterized in that: The conveying assembly (3) comprises a roller (301), a conveyor belt (302), a micro motor (303), a limiting frame (304), a sleeve (305), a pressure plate (306), an adjusting rod (307), a fixing plate (308), a rotating cylinder (309), a pad (310), an inclined plate (311) and a rotor motor (312); the outer wall of the roller (301) is sleeved with the conveyor belt (302); one end of the roller (301) is located on the outer wall of the processing box (1) and is provided with a micro motor (303); the outer wall of the conveyor belt (302) is provided with a limiting frame (304); a plurality of limiting frames (304) are provided, and the plurality of limiting frames (304) are arranged around the outer wall of the conveyor belt (302).

6. The surface coating treatment device for NdFeB magnets according to claim 5, characterized in that: The inner wall of the limiting frame (304) is provided with a sleeve (305), and the sleeve (305) is provided with two groups. The insides of the two groups of sleeves (305) are provided with an adjustment rod (307), and one end of the adjustment rod (307) away from the sleeve (305) is provided with a pressure plate (306). The outer wall of the adjustment rod (307) is sleeved with a rebound spring, and the inner side of the rebound spring is provided with a spring damper.

7. The surface coating treatment device for NdFeB magnets according to claim 6, characterized in that: A fixed plate (308) is provided at the lower end of the conveyor belt (302), a rotating cylinder (309) is provided on the inner wall of the fixed plate (308), one end of the rotating cylinder (309) is located on the outer wall of the processing box (1) and a rotor motor (312) is provided, a driving belt is sleeved on the outer wall of the rotating cylinder (309), a pad (310) is provided on the outer wall of the driving belt, and an inclined plate (311) is located on the outer side of the rotating cylinder (309).

8. The surface coating treatment device for NdFeB magnets according to claim 1, characterized in that: The filter assembly (4) comprises a docking frame (401), a rubber threaded block (402), a filter screen (403) and a connection block (404); the outer end of the docking frame (401) is provided with a rubber threaded block (402); the rubber threaded block (402) and the docking frame (401) are buckled together; the filter screen (403) is located on the inner wall of the processing tank; and a connection block (404) is provided between the filter screen (403) and the processing box (1).

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