End face polishing equipment for iron core production and polishing method thereof

Abstract

The invention provides end face polishing equipment for iron core production and a polishing method thereof, and relates to the technical field of polishing, the end face polishing equipment comprises a tank body, a coarse and fine polishing mechanism is arranged in the tank body, the coarse and fine polishing mechanism comprises a fixing cylinder, and a limiting rail is fixedly connected between the fixing cylinder and the tank body; according to the polishing device, the polishing discs on the outer cylinder and the inner cylinder work synchronously, the linear speed of the outer cylinder is higher than that of the inner cylinder, the polishing discs on the top of the outer cylinder can conduct rough polishing for rapidly removing impurities, the polishing efficiency is improved, and the polishing efficiency is improved. And the polishing disc at the top of the inner barrel completes fine polishing to form a composite polishing mode of coarse inside and fine outside, meanwhile, the inner ring and the outer ring of each polishing wheel are made of different polishing materials, accurate matching can be conducted according to the iron core material characteristics, the surface state and the polishing requirement, and therefore the polishing efficiency and quality are remarkably improved, and the multi-scene production requirement is met.

Description

Technical Field

[0001] The present invention relates to the technical field of polishing, and in particular to an end face polishing device for core production and a polishing method thereof. Background Art

[0002] In the production of electromagnetic devices such as motors and transformers, the core is a core component. The polishing quality of the end face after milling directly affects the electromagnetic performance, mechanical stability and service life of the device. The traditional core polishing process faces the following key problems. Most existing devices use polishing wheels with a single rotation speed and a single material, and cannot process different defects on the core surface in stages. For example, when rough polishing, it is necessary to quickly remove thick impurities, but it is easy to cause surface scratches due to too high a rotation speed; when fine polishing, it is necessary to finely grind, but it is difficult to achieve mirror accuracy due to insufficient abrasive adaptability, resulting in coexistence of "over-polishing" and "under-polishing" problems. In traditional polishing, the rigid contact of the polishing disc is likely to generate impact loads, resulting in changes in the microstructure of the material, a decrease in magnetic permeability and an increase in iron loss. At the same time, for laminated cores or ultra-thin cores, the sudden change in clamping and polishing force in the traditional process is likely to cause lamination misalignment or edge cracking. For double-sided polishing of cores, manual flipping and re-clamping are required, which not only takes time, but also results in poor consistency of double-sided polishing due to positioning deviation. In addition, the iron filings and polishing liquid residues generated during the polishing process are likely to contaminate the processing surface, and frequent shutdowns are required for cleaning, making it difficult to meet the requirements of mass production. For this reason, we propose an end face polishing device for core production. Summary of the Invention

[0003] The purpose of the present invention is to solve the above problems, and to propose an end face polishing device for core production and a polishing method thereof.

[0004] To achieve the above purpose, the present invention adopts the following technical scheme: An end face polishing device for core production, including a tank body, wherein a coarse and fine polishing mechanism is arranged inside the tank body. The coarse and fine polishing mechanism includes a fixed cylinder, a limiting rail is fixedly connected between the fixed cylinder and the tank body, a limiting slideway is slidably connected to the inner surface of the limiting rail, an installation frame is fixedly connected to the end of the limiting slideway, an electric slide rail is installed on the lower surface of the installation frame, sliding seats are symmetrically slidably connected to the inner surface of the electric slide rail, clamping plates are rotatably connected to the outer surfaces of the two sliding seats through bearings, a collection tank is fixedly connected to the inner surface of the tank body, an outer cylinder and an inner cylinder are respectively threadedly connected to the outer surface of the collection tank, first toothed rings are fixedly connected to the outer surfaces of the outer cylinder and the inner cylinder near the bottom, a first rotating rod is rotatably connected to the inner surface of the bottom of the tank body through a bearing, a first gear is fixedly connected to the outer surface of the first rotating rod, the first gear is meshed and connected between the two first toothed rings, and polishing discs are fixedly connected to the upper surfaces of the outer cylinder and the inner cylinder.

[0005] Preferably, a cleaning mechanism is further provided inside the tank body. The cleaning mechanism includes a first rack. The inner surface of the bottom of the tank body is rotatably connected to a second rotating rod and a support rod through bearings. Two second gears are fixedly connected to the outer surface of the support rod. The inner surface of the tank body is rotatably connected to a second toothed ring through a bearing. The second toothed ring is meshed with the second gear at the bottom. The second gear at the top is meshed with the rack. A third gear is fixedly connected to the outer surface of the second rotating rod. The third gear is meshed with the second toothed ring. A rotating disk is fixedly connected to the lower surface of one of the polishing disks. A cleaning brush is fixedly connected to the upper surface of the rotating disk.

[0006] Preferably, an annular track is fixedly connected to the lower surface of the other polishing disk. An annular limiting strip is fixedly connected to the upper surface of the rotating disk. The annular limiting strip is slidably connected to the annular track.

[0007] Preferably, a flipping mechanism is further provided inside the tank body. The flipping mechanism includes a positioning frame. A limiting groove is opened on the lower surface of the positioning frame. A support frame is fixedly connected to the outer surface of the electric slide rail. A limiting frame is fixedly connected to the lower surface of the support frame. A limiting rod is rotatably connected to the inner surface of the limiting frame through a bearing. A sliding frame and a fourth gear are slidably connected to the outer surface of the limiting rod. A convex block is fixedly connected to the upper surface of the sliding frame. The convex block is slidably connected to the limiting groove. The sliding frame and the fourth gear are rotatably connected through a bearing. A limiting telescopic rod is fixedly connected between the limiting rod and the clamping plate. A second rack is fixedly connected to the outer surface of the positioning frame. The second rack is meshed with the fourth gear.

[0008] Preferably, a clamping block is rotatably connected to the inner surface of the limiting groove through a bearing. A spring is fixedly connected between the clamping block and the limiting groove.

[0009] Preferably, the positioning frame is fixedly connected to the tank body, and the limiting rail is fixedly connected to the first rack.

[0010] Preferably, the fixed cylinder is fixedly connected to the tank body.

[0011] Preferably, a first motor and a second motor are fixedly connected to the lower surface of the tank body. The output end of the first motor is fixedly connected to the first rotating rod, and the output end of the second motor is fixedly connected to the second rotating rod.

[0012] Preferably, a blanking plate is fixedly connected to the inner surface of the fixed cylinder. The lower surface of the tank body is communicated with a discharge port. A feeding machine is installed on the inner surface of the tank body. The lower surface of the collection tank is communicated with a discharge pipe. The discharge pipe is fixedly connected to the tank body.

[0013] Preferably, a method for end face polishing for iron core production includes the following steps: S1: The iron core is transported upward from the bottom into the tank through the lifting structure inside the feeding machine. The electric slide rail drives the sliding seat to move, and the clamping plate is used to clamp the iron core. At the same time, under the cooperation of the limiting rail and the limiting slideway, the mounting frame can move inside the tank along the direction of the limiting rail to adjust the position of the iron core.

[0014] S2: Start the first motor, and then drive the outer cylinder and the inner cylinder to rotate. The polishing disc at the top of the outer cylinder performs rough polishing on the iron core, and the polishing disc at the top of the inner cylinder performs fine polishing.

[0015] S3: The second motor drives the second rotating rod to rotate, causing the first rack to move, driving the overall movement of the rough and fine polishing mechanism. The rotating disc fixedly connected to the lower surface of the polishing disc rotates accordingly. The cleaning brush cleans the lower end of the iron core and sweeps away the polishing waste, and the waste falls into the collection tank.

[0016] S4: The support frame on the outer surface of the electric slide rail drives components such as the limiting frame to move. Through the cooperation of the limiting groove and the block, the fourth gear drives the limiting rod to rotate, causing the clamping plate to flip the iron core. After the iron core is flipped, it moves to the position of the polishing disc again to polish the other end.

[0017] S5: After the polishing is completed, the iron core moves above the blanking plate and is discharged from the discharge port along the blanking plate. The waste in the collection tank is discharged from the tank through the discharge pipe, completing the entire polishing process.

[0018] Compared with the prior art, the advantages and positive effects of the present invention are as follows: 1. The present invention proposes an end face polishing device and its polishing method for iron core production. By driving the first rotating rod and the first gear to rotate, the first gear meshes with two first toothed rings, driving the outer cylinder and the inner cylinder to rotate at different linear speeds, enabling the polishing discs on the outer cylinder and the inner cylinder to work synchronously. Since the linear speed of the outer cylinder is faster than that of the inner cylinder, the polishing disc at the top of the outer cylinder can perform rough polishing to quickly remove impurities, and the polishing disc at the top of the inner cylinder completes fine polishing, forming a "coarse inside and fine outside" composite polishing mode. At the same time, the inner and outer rings of each polishing wheel use polishing materials of different materials, which can be accurately matched according to the material characteristics, surface conditions and polishing requirements of the iron core, thus significantly improving the polishing efficiency and quality and meeting the production requirements of multiple scenarios.

[0019] 2. The present invention provides an end face polishing device and a polishing method for iron core production. The outer cylinder and the inner cylinder are threadedly connected to the collection tank. The threaded structure converts the rotational motion into a steady linear upward motion. When they rotate, they will move slowly upward due to the threaded drive and gradually approach the iron core. During this process, in this progressive feeding process of the iron core, the iron core material obtains sufficient buffering time. As the distance between the polishing disc and the iron core surface continuously decreases, the surface of the material first undergoes slight elastic deformation, just like a spring being gently compressed. This deformation effectively disperses the contact stress at the initial stage of polishing, ensuring the stable performance of the iron core during high-precision polishing.

[0020] 3. The present invention provides an end face polishing device and a polishing method for iron core production. The rotating disc fixedly connected to the lower surface of the polishing disc drives the cleaning brush to rotate at high speed synchronously while the polishing disc rotates. When the mounting frame drives the iron core to move to the cleaning station at the top of the collection tank, the high-speed rotating cleaning brush uses a strong rotational force to comprehensively clean the lower end face of the iron core, capable of quickly sweeping away the iron chips and impurities generated during the polishing process, preventing these pollutants from affecting the subsequent polishing quality. Through this efficient cleaning method, the cleanliness of the polishing environment is ensured, providing stable and reliable conditions for high-precision processing, effectively improving the processing accuracy and surface quality of the iron core, and reducing the processing defects and rejection rate caused by impurity residues.

[0021] 4. The present invention provides an end face polishing device and a polishing method for iron core production. During the return process after each cleaning, through the ingenious cooperation of the limiting groove and the clamping block, the fourth gear meshes with the second rack and rotates, thereby driving the limiting rod to rotate, realizing the flipping of the clamping plate and the iron core. This design ensures that the iron core is immediately flipped during the return cleaning link after each polishing, enabling the upper and lower end faces to alternately receive rough polishing and fine polishing in an orderly manner. Compared with the traditional process, this solution significantly reduces redundant steps such as manual handling and re-clamping. It not only avoids positioning deviation and surface damage caused by manual operation, but also increases the efficiency of double-sided polishing of the iron core through an automated process. At the same time, the cleaning process that must be performed after each polishing effectively removes the residual debris and polishing impurities, preventing them from affecting the subsequent processing accuracy, further ensuring the consistency of the polishing quality of the upper and lower end faces of the iron core, and ensuring the high precision and high yield of the finished product. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 is an external structural schematic diagram of an end face polishing device and a polishing method for iron core production proposed by the present invention; Figure 2 is a bottom view structural schematic diagram of an end face polishing device and a polishing method for iron core production proposed by the present invention; Figure 3This is a schematic top - sectional view of an end - face polishing device and its polishing method for iron - core production proposed by the present invention; Figure 4 This is a schematic bottom - sectional view of an end - face polishing device and its polishing method for iron - core production proposed by the present invention; Figure 5 This is a schematic top - partial - sectional view of an end - face polishing device and its polishing method for iron - core production proposed by the present invention; Figure 6 This is a schematic front - sectional view of an end - face polishing device and its polishing method for iron - core production proposed by the present invention; Figure 7 This is a schematic partial - structure view of the positioning frame of an end - face polishing device and its polishing method for iron - core production proposed by the present invention; Figure 8 This is a schematic bottom - partial - view of the limit groove of an end - face polishing device and its polishing method for iron - core production proposed by the present invention; Figure 9 It is Figure 8 a partial enlarged - structure view at position A in Figure 10 This is a schematic partial - sectional view of the positioning frame of an end - face polishing device and its polishing method for iron - core production proposed by the present invention.

[0023] Legend: 1. Tank body; 2. Coarse and fine polishing mechanism; 201. Fixed cylinder; 202. Limit rail; 203. Limit slideway; 204. Mounting frame; 205. Electric slide rail; 206. Sliding seat; 207. Clamping plate; 208. Collection tank; 209. Outer cylinder; 210. Inner cylinder; 211. First toothed ring; 212. First rotating rod; 213. First gear; 214. Polishing disc; 3. Cleaning mechanism; 301. First rack; 302. Second rotating rod; 303. Support rod; 304. Second gear; 305. Second toothed ring; 306. Third gear; 307. Rotating disc; 308. Cleaning brush; 4. Flipping mechanism; 401. Positioning frame; 402. Limit groove; 403. Support frame; 404. Limit frame; 405. Limit rod; 406. Sliding frame; 407. Fourth gear; 408. Limit telescopic rod; 409. Second rack; 410. Convex block; 5. Annular rail; 6. Annular limit strip; 7. Card slot; 8. Card block; 9. Spring; 10. First motor; 11. Second motor; 12. Feeding plate; 13. Discharge port; 14. Loading machine; 15. Discharge pipe. Detailed implementation manners

[0024] In order to more clearly understand the above-mentioned objects, features, and advantages of the present invention, the present invention will be further described below in conjunction with the accompanying drawings and embodiments. It should be noted that, without conflict, the embodiments of the present application and the features in the embodiments can be combined with each other.

[0025] In the following description, many specific details are set forth in order to fully understand the present invention. However, the present invention can also be implemented in other ways different from those described herein. Therefore, the present invention is not limited by the specific embodiments disclosed in the following specification.

[0026] As Figures 1 - 10 shown, an end face polishing device for iron core production includes a tank body 1. Inside the tank body 1, there is a rough and fine polishing mechanism 2. The rough and fine polishing mechanism 2 includes a fixed cylinder 201. There is a fixed connection of a limit rail 202 between the fixed cylinder 201 and the tank body 1. The inner surface of the limit rail 202 is slidably connected with a limit slideway 203. The end of the limit slideway 203 is fixedly connected with a mounting frame 204. An electric slide rail 205 is installed on the lower surface of the mounting frame 204. The inner surface of the electric slide rail 205 is symmetrically slidably connected with sliding seats 206. The outer surfaces of the two sliding seats 206 are respectively rotatably connected with clamping plates 207 through bearings. The inner surface of the tank body 1 is fixedly connected with a collection tank 208. The outer surface of the collection tank 208 is respectively threadedly connected with an outer cylinder 209 and an inner cylinder 210. The outer surfaces of the outer cylinder 209 and the inner cylinder 210 near the bottom are both fixedly connected with a first toothed ring 211. The inner surface of the bottom of the tank body 1 is rotatably connected with a first rotating rod 212 through a bearing. A first gear 213 is fixedly connected to the outer surface of the first rotating rod 212. The first gear 213 is meshed between the two first toothed rings 211. The upper surfaces of the outer cylinder 209 and the inner cylinder 210 are both fixedly connected with polishing discs 214.

[0027] The effect is that the first gear 213 on the first rotating rod 212 rotates accordingly. Since the first gear 213 is meshed between the two first toothed rings 211, it drives the outer cylinder 209 and the inner cylinder 210 to rotate, causing the polishing discs 214 on the upper surfaces of the outer cylinder 209 and the inner cylinder 210 to start synchronous rotation work. The outer cylinder 209 and the inner cylinder 210 are threadedly connected to the collection tank 208, so that the outer cylinder 209 and the inner cylinder 210 can move upward accordingly during rotation and slowly approach the iron core. The electric slide rail 205 on the mounting frame 204 can drive the sliding seat 206 to slide, and the sliding seat 206 drives the clamping plate 207 to clamp the iron core. Moreover, the limit rail 202 cooperates with the limit slideway 203, enabling the mounting frame 204 to move inside the tank body 1 along the direction of the limit rail 202. And the inner and outer rings of each polishing wheel are made of different polishing materials, which can be accurately matched according to the material characteristics, surface conditions, and polishing requirements of the iron core, significantly improving the polishing effect and efficiency, so as to realize the polishing treatment of iron cores of different materials.

[0028] As shown Figures 1 - 10 in the figure, a cleaning mechanism 3 is further provided inside the tank body 1. The cleaning mechanism 3 includes a first rack 301. The inner surface of the bottom of the tank body 1 is rotatably connected to a second rotating rod 302 and a support rod 303 through bearings. Two second gears 304 are fixedly connected to the outer surface of the support rod 303. The inner surface of the tank body 1 is rotatably connected to a second toothed ring 305 through a bearing. The second toothed ring 305 is meshed with the second gear 304 at the bottom. The second gear 304 at the top is meshed with the rack. A third gear 306 is fixedly connected to the outer surface of the second rotating rod 302. The third gear 306 is meshed with the second toothed ring 305. A rotating disk 307 is fixedly connected to the lower surface of one polishing disk 214. A cleaning brush 308 is fixedly connected to the upper surface of the rotating disk 307. An annular rail 5 is fixedly connected to the lower surface of the other polishing disk 214. An annular limiting strip 6 is fixedly connected to the upper surface of the rotating disk 307. The annular limiting strip 6 is slidably connected to the annular rail 5.

[0029] The effect is that the third gear 306 on the second rotating rod 302 rotates accordingly. The third gear 306 is meshed with the second toothed ring 305, causing the second toothed ring 305 to rotate. The second toothed ring 305 is also meshed with the second gear 304 at the bottom, driving the support rod 303 to rotate. The second gear 304 at the top is meshed with the first rack 301, causing the first rack 301 to move. Since the limiting rail 202 is fixedly connected to the first rack 301, when the first rack 301 moves, it drives the whole rough and fine polishing mechanism 2 to move. At the same time, the rotating disk 307 fixedly connected to the lower surface of one polishing disk 214 also rotates accordingly, and the cleaning brush 308 on the rotating disk 307 rotates accordingly. When the mounting frame 204 drives the clamped iron core to move to the top of the collection tank 208, the cleaning brush 308 contacts the lower end of the iron core and cleans it. At the same time, it cleans the waste generated by polishing and falls into the lower collection tank 208.

[0030] As shown Figures 1 - 10As shown, a tipping mechanism 4 is further provided inside the tank body 1. The tipping mechanism 4 includes a positioning frame 401. A limiting groove 402 is formed on the lower surface of the positioning frame 401. A support frame 403 is fixedly connected to the outer surface of the electric slide rail 205. A limiting frame 404 is fixedly connected to the lower surface of the support frame 403. A limiting rod 405 is rotatably connected to the inner surface of the limiting frame 404 through a bearing. A sliding frame 406 and a fourth gear 407 are slidably connected to the outer surface of the limiting rod 405. A convex block 410 is fixedly connected to the upper surface of the sliding frame 406. The convex block 410 is slidably connected to the limiting groove 402. The sliding frame 406 and the fourth gear 407 are rotatably connected through a bearing. A limiting telescopic rod 408 is fixedly connected between the limiting rod 405 and the clamping plate 207. A second rack 409 is fixedly connected to the outer surface of the positioning frame 401. The second rack 409 is meshed with the fourth gear 407. A clamping groove 7 is formed on the inner surface of the limiting groove 402. A clamping block 8 is rotatably connected to the inner surface of the clamping groove 7 through a bearing. A spring 9 is fixedly connected between the clamping block 8 and the clamping groove 7. The positioning frame 401 is fixedly connected to the tank body 1. The limiting rail 202 is fixedly connected to the first rack 301. The fixed cylinder 201 is fixedly connected to the tank body 1. The lower surface of the tank body 1 is fixedly connected with a first motor 10 and a second motor 11. The output end of the first motor 10 is fixedly connected with a first rotating rod 212. The output end of the second motor 11 is fixedly connected with a second rotating rod 302. A blanking plate 12 is fixedly connected to the inner surface of the fixed cylinder 201. The lower surface of the tank body 1 is communicated with a discharge port 13. A loading machine 14 is installed on the inner surface of the tank body 1. The lower surface of the collection tank 208 is communicated with a discharge pipe 15. The discharge pipe 15 is fixedly connected to the tank body 1.

[0031] The effect is that the support frame 403 on the outer surface of the electric slide rail 205 drives the limit frame 404 to move. The limit rod 405 rotatably connected to the inner surface of the limit frame 404 by a bearing moves accordingly. The sliding frame 406 and the fourth gear 407 slidably connected to the limit rod 405 move under the drive of the limit rod 405. At the same time, the convex block 410 slides inside the limit groove 402. After moving to the cleaning area for cleaning, it moves back to the position of the polishing disc 214 in the reverse direction. During the return journey, through the cooperation of the limit groove 402 and the clamping block 8, the convex block 410 drives the sliding frame 406 to move along the limit rod 405. At the same time, the fourth gear 407 meshes with the second rack 409 on the outer surface of the positioning frame 401. Under the action of the second rack 409, the fourth gear 407 rotates. A clamping block 8 is arranged inside the fourth gear 407, and a clamping groove 7 is arranged on the limit rod 405. And the clamping block 8 slides inside the clamping groove 7, so that the fourth gear 407 can drive the limit rod 405 to rotate. The limit rod 405 is connected to the clamping plate 207 through a limit telescopic rod 408, so that the clamping plate 207 flips, realizing the flipping of the iron core. At this time, the other end of the iron core can be polished. After the polishing is completed, the iron core moves above the blanking plate 12 and is discharged from the discharge port 13 along the blanking plate 12. The waste in the collection tank 208 is discharged from the tank body 1 through the discharge pipe 15, completing the entire polishing process.

[0032] As Figures 1 - 10 shown, a method for end face polishing for iron core production includes the following steps: S1: The iron core is transported upward from the bottom through the lifting structure inside the feeding machine 14 and sent into the tank body 1. The electric slide rail 205 drives the sliding seat 206 to move, and the clamping plate 207 is used to clamp the iron core. At the same time, the mounting frame 204 can move inside the tank body 1 along the direction of the limit rail 202 to adjust the position of the iron core under the cooperation of the limit rail 202 and the limit slideway 203.

[0033] S2: Start the first motor 10, and then make the outer cylinder 209 and the inner cylinder 210 rotate. The polishing disc 214 at the top of the outer cylinder 209 performs rough polishing on the iron core, and the polishing disc 214 at the top of the inner cylinder 210 performs fine polishing.

[0034] S3: The second motor 11 drives the second rotating rod 302 to rotate, making the first rack 301 move, driving the whole rough and fine polishing mechanism 2 to move. The rotating disc 307 fixedly connected to the lower surface of the polishing disc 214 rotates accordingly. The cleaning brush 308 cleans the lower end of the iron core and sweeps away the polishing waste, and the waste falls into the collection tank 208.

[0035] S4: The support frame 403 on the outer surface of the electric slide rail 205 drives components such as the limit frame 404 to move. Through the cooperation of the limit groove 402 and the clamping block 8, the fourth gear 407 drives the limit rod 405 to rotate, causing the clamping plate 207 to flip the iron core. After the iron core is flipped, it moves to the position of the polishing disc 214 again to polish the other end.

[0036] S5: After polishing is completed, the iron core moves above the blanking plate 12 and is discharged from the discharge port 13 along the blanking plate 12. The waste in the collection tank 208 is discharged from the tank body 1 through the discharge pipe 15, completing the entire polishing process.

[0037] Working principle: When the end face polishing equipment for iron core production is working, first, the iron core is fed into the tank body 1 by the feeding machine 14. There is a lifting structure inside the feeding machine 14, and the iron core is transported upward from the bottom by the lifting structure. The electric slide rail 205 drives the sliding seat 206 to move, so as to clamp the iron core through the clamping plate 207. In the rough and fine polishing process, the first motor 10 is started, and its output end drives the first rotating rod 212 to rotate. The first gear 213 on the first rotating rod 212 rotates accordingly. Since the first gear 213 is meshed between two first toothed rings 211, it drives the outer cylinder 209 and the inner cylinder 210 to rotate, so that the polishing discs 214 on the upper surfaces of the outer cylinder 209 and the inner cylinder 210 start to rotate synchronously. The linear velocity of the outer cylinder 209 is faster than that of the inner cylinder 210, which means that the relative movement speed between the abrasive on the polishing wheel surface and the iron core surface is faster, and the contact times and action time between the abrasive and the iron core surface per unit time increase, which can more quickly remove impurities such as burrs and scale on the iron core surface, improve the polishing efficiency. The polishing disc 214 on the top of the inner cylinder 210 performs fine polishing, and the polishing disc 214 arranged on the top of the outer cylinder 209 performs rough polishing, so as to perform rough and fine polishing on the end face of the iron core. The electric slide rail 205 on the mounting frame 204 can drive the sliding seat 206 to slide, and the sliding seat 206 drives the clamping plate 207 to clamp the iron core. And the limit rail 202 cooperates with the limit slideway 203, so that the mounting frame 204 can move in the tank body 1 along the direction of the limit rail 202. And the inner and outer rings of each polishing wheel are made of different polishing materials, which can be accurately matched according to the material characteristics, surface conditions and polishing requirements of the iron core, significantly improving the polishing effect and efficiency, so as to realize the polishing treatment of iron cores of different materials. The second motor 11 drives the second rotating rod 302 to rotate, and the third gear 306 on the second rotating rod 302 rotates accordingly. The third gear 306 meshes with the second toothed ring 305, making the second toothed ring 305 rotate. The second toothed ring 305 meshes with the bottom second gear 304 again, driving the support rod 303 to rotate. The top second gear 304 meshes with the first rack 301, making the first rack 301 move. Because the limit rail 202 is fixedly connected with the first rack 301, when the first rack 301 moves, it drives the whole rough and fine polishing mechanism 2 to move. At the same time, the rotating disc 307 fixedly connected to the lower surface of one of the polishing discs 214 also rotates accordingly, and the cleaning brush 308 on the rotating disc 307 rotates accordingly. When the mounting frame 204 drives the clamped iron core to move to the top of the collection tank 208, the cleaning brush 308 contacts the lower end of the iron core and cleans it, and at the same time cleans the waste generated by polishing and falls into the lower collection tank 208. The outer cylinder 209 and the inner cylinder 210 are threadedly connected to the collection tank 208, so that the outer cylinder 209 and the inner cylinder 210 can move upward along with it during the rotation process and slowly approach the iron core. During the slow feeding process, the iron core material can gradually adapt to the polishing force through minute elastic deformation. The function of the flipping mechanism 4 is to realize the flipping of the iron core so as to polish the other end face of the iron core.When the iron core needs to be flipped, the support frame 403 on the outer surface of the electric slide rail 205 drives the limit frame 404 to move. The limit rod 405 rotatably connected to the inner surface of the limit frame 404 by a bearing moves accordingly. The sliding frame 406 and the fourth gear 407 slidably connected to the limit rod 405 move under the drive of the limit rod 405. At the same time, the convex block 410 slides inside the limit groove 402. After moving to the cleaning area for cleaning, it moves back to the position of the polishing disc 214 in the reverse direction. During the return journey, through the cooperation of the limit groove 402 and the clamping block 8, the convex block 410 drives the sliding frame 406 to move along the limit rod 405. At the same time, the fourth gear 407 meshes with the second rack 409 on the outer surface of the positioning frame 401. Under the action of the second rack 409, the fourth gear 407 rotates. A clamping block 8 is arranged inside the fourth gear 407, and a clamping groove 7 is arranged on the limit rod 405. And the clamping block 8 slides inside the clamping groove 7, so that the fourth gear 407 can drive the limit rod 405 to rotate. The limit rod 405 is connected to the clamping plate 207 through the limit telescopic rod 408, so that the clamping plate 207 flips, realizing the flipping of the iron core. At this time, the other end of the iron core can be polished. After the polishing is completed, the iron core moves above the blanking plate 12 and is discharged from the discharge port 13 along the blanking plate 12. The waste in the collection tank 208 is discharged from the tank body 1 through the discharge pipe 15, completing the entire polishing process.

[0038] The above is only a preferred embodiment of the present invention, and it is not a limitation of the present invention in other forms. Any person skilled in the art may use the disclosed technical content to make changes or modifications into equivalent embodiments with equivalent changes and apply them to other fields. However, as long as it does not depart from the technical solution content of the present invention, any simple modification, equivalent change and modification made to the above embodiments based on the technical essence of the present invention still belong to the protection scope of the technical solution of the present invention.

Claims

1. An end face polishing device for iron core production, comprising a tank body (1), characterized in that: Inside the tank body (1), a rough and fine polishing mechanism (2) is provided. The rough and fine polishing mechanism (2) includes a fixed cylinder (201). A limiting rail (202) is fixedly connected between the fixed cylinder (201) and the tank body (1). The inner surface of the limiting rail (202) is slidably connected with a limiting slideway (203). The end of the limiting slideway (203) is fixedly connected with a mounting frame (204). An electric slide rail (205) is mounted on the lower surface of the mounting frame (204). The inner surface of the electric slide rail (205) is symmetrically slidably connected with sliding seats (206). The outer surfaces of the two sliding seats (206) are rotatably connected with clamping plates (207) through bearings. The inner surface of the tank body (1) is fixedly connected with a collection tank (208). The outer surface of the collection tank (208) is respectively threadedly connected with an outer cylinder (209) and an inner cylinder (210). The outer surfaces of the outer cylinder (209) and the inner cylinder (210) near the bottom are both fixedly connected with first toothed rings (211). The inner surface of the bottom of the tank body (1) is rotatably connected with a first rotating rod (212) through a bearing. A first gear (213) is fixedly connected to the outer surface of the first rotating rod (212). The first gear (213) is meshed between the two first toothed rings (211). The upper surfaces of the outer cylinder (209) and the inner cylinder (210) are both fixedly connected with polishing discs (214).

2. The end face polishing device for iron core production according to claim 1, characterized in that: A cleaning mechanism (3) is also provided inside the tank body (1). The cleaning mechanism (3) includes a first rack (301). The inner surface of the bottom of the tank body (1) is rotatably connected with a second rotating rod (302) and a support rod (303) through bearings. Two second gears (304) are fixedly connected to the outer surface of the support rod (303). The inner surface of the tank body (1) is rotatably connected with a second toothed ring (305) through a bearing. The second toothed ring (305) is meshed with the bottom second gear (304). The top second gear (304) is meshed with the rack. A third gear (306) is fixedly connected to the outer surface of the second rotating rod (302). The third gear (306) is meshed with the second toothed ring (305). A rotating disc (307) is fixedly connected to the lower surface of one of the polishing discs (214). A cleaning brush (308) is fixedly connected to the upper surface of the rotating disc (307).

3. The end face polishing device for iron core production according to claim 2, wherein: A circular rail (5) is fixedly connected to the lower surface of the other polishing disc (214). A circular limiting strip (6) is fixedly connected to the upper surface of the rotating disc (307). The circular limiting strip (6) is slidably connected with the circular rail (5).

4. The end face polishing device for iron core production according to claim 1, characterized in that: An overturning mechanism (4) is further arranged inside the tank body (1). The overturning mechanism (4) includes a positioning frame (401). A limiting groove (402) is formed on the lower surface of the positioning frame (401). A support frame (403) is fixedly connected to the outer surface of the electric slide rail (205). A limiting frame (404) is fixedly connected to the lower surface of the support frame (403). A limiting rod (405) is rotatably connected to the inner surface of the limiting frame (404) through a bearing. A sliding frame (406) and a fourth gear (407) are slidably connected to the outer surface of the limiting rod (405). A convex block (410) is fixedly connected to the upper surface of the sliding frame (406). The convex block (410) is slidably connected to the limiting groove (402). The sliding frame (406) is rotatably connected to the fourth gear (407) through a bearing. A limiting telescopic rod (408) is fixedly connected between the limiting rod (405) and the clamping plate (207). A second rack (409) is fixedly connected to the outer surface of the positioning frame (401). The second rack (409) is meshed with the fourth gear (407).

5. The end face polishing device for iron core production according to claim 4, characterized in that: A clamping groove (7) is formed on the inner surface of the limiting groove (402). A clamping block (8) is rotatably connected to the inner surface of the clamping groove (7) through a bearing. A spring (9) is fixedly connected between the clamping block (8) and the clamping groove (7).

6. The end face polishing device for iron core production according to claim 4, characterized in that: The positioning frame (401) is fixedly connected to the tank body (1). The limiting rail (202) is fixedly connected to the first rack (301).

7. An end face polishing device for iron core production according to claim 1, characterized in that: The fixed cylinder (201) is fixedly connected to the tank body (1).

8. A end face polishing device for iron core production according to claim 1, characterized in that: A first motor (10) and a second motor (11) are fixedly connected to the lower surface of the tank body (1). The output end of the first motor (10) is fixedly connected to a first rotating rod (212). The output end of the second motor (11) is fixedly connected to a second rotating rod (302).

9. The end face polishing device for iron core production according to claim 1, characterized in that: A blanking plate (12) is fixedly connected to the inner surface of the fixed cylinder (201). A discharge port (13) is communicated with the lower surface of the tank body (1). A loading machine (14) is installed on the inner surface of the tank body (1). A discharge pipe (15) is communicated with the lower surface of the collection tank (208). The discharge pipe (15) is fixedly connected to the tank body (1).

10. A method for end face polishing for iron core production according to claim 1, applied to an end face polishing device for iron core production according to any one of claims 1-9, characterized in that: Comprising the following steps: S1: The iron core is transported from the bottom upwards through the jacking structure inside the loading machine (14) and sent into the tank body (1). The electric slide rail (205) drives the sliding seat (206) to move, and the clamping plate (207) is used to clamp the iron core. At the same time, the mounting frame (204) can move and adjust the position of the iron core along the direction of the limiting rail (202) inside the tank body (1) under the cooperation of the limiting rail (202) and the limiting slideway (203). S2: The first motor (10) is started, so that the outer cylinder (209) and the inner cylinder (210) rotate. The polishing disc (214) at the top of the outer cylinder (209) performs rough polishing on the iron core, and the polishing disc (214) at the top of the inner cylinder (210) performs fine polishing. S3: The second motor (11) drives the second rotating rod (302) to rotate, causing the first rack (301) to move, driving the overall movement of the rough and fine polishing mechanism (2). The rotating disk (307) fixedly connected to the lower surface of the polishing disk (214) rotates accordingly, and the cleaning brush (308) cleans the lower end of the iron core and sweeps away the polishing waste, which falls into the collection tank (208). S4: The support frame (403) on the outer surface of the electric slide rail (205) drives components such as the limit frame (404) to move. Through the cooperation of the limit groove (402) and the block (8), the fourth gear (407) drives the limit rod (405) to rotate, causing the clamping plate (207) to flip the iron core. After the iron core is flipped, it moves to the position of the polishing disk (214) again to polish the other end. S5: After polishing is completed, the iron core moves above the blanking plate (12) and is discharged from the discharge port (13) along the blanking plate (12). The waste in the collection tank (208) is discharged from the tank body (1) through the discharge pipe (15), completing the entire polishing process.

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