Shaft core polishing apparatus

Abstract

The utility model relates to machining technical field discloses a kind of axle core polishing equipment, including rack and polishing belt, the rear side middle upper portion of the inner wall of the rack is fixedly connected with cylinder one, the output end of cylinder one is fixedly connected with sliding block one, the inner wall rear side middle upper portion of the rack is slidably connected in sliding block one, the outer wall front side middle lower portion of sliding block one is fixedly connected with fixed block one, the top wall of fixed block one is fixedly connected with servo motor, the output end of servo motor is fixedly connected with shaft one, the outer wall of shaft one is fixedly connected with driving wheel. In the utility model, cylinder two promotes the sliding of sliding block two along sliding groove, and sliding block two drives shaft two and driven wheel to translate, and the interval of driven wheel and driving wheel is adjusted to adjust the tension of polishing belt, and cylinder one promotes the sliding of sliding block one on rack, and drives servo motor and polishing belt to move along the axial movement of shaft body, and the polishing demand of different diameter axle core can be adapted, and uniform polishing is realized.

Description

Technical Field

[0001] This utility model relates to the field of machining technology, and in particular to a shaft polishing device. Background Technology

[0002] Shaft core polishing equipment is a professional device used to polish the surface of shaft parts. Through various polishing processes and methods, it removes roughness, scratches, and oxide scale defects from the shaft core surface, improving the smoothness and precision of the shaft core surface to meet specific surface quality requirements.

[0003] A search revealed Chinese Patent Publication No. CN222471804U, which discloses a grinding and polishing device for printer shaft core processing. The device includes a main body. When grinding and polishing the shaft core is required, the operator fixes the shaft core to be ground and polished inside a shaft core fixing roller. After the shaft core is placed in, a first motor drives a rotating shaft to rotate. The rotation of the rotating shaft drives the shaft core to rotate, causing the grinding wheel to grind and polish the shaft core simultaneously. This allows the device to grind and polish the shaft core comprehensively, preventing the need for manual rotation of the shaft core after grinding only one side. Simultaneously, while the shaft core is rotating, a second motor drives a slider to slide left and right on a slide bar, allowing the grinding wheel to move according to the slider's movement. This enables the grinding wheel to grind and polish different positions on the shaft core. However, real-time monitoring and feedback during the polishing process are difficult to achieve, resulting in uncontrollable polishing quality. Utility Model Content

[0004] To overcome the above shortcomings, this utility model provides a shaft polishing device, which aims to improve the problem that it is difficult to achieve real-time monitoring and feedback during the polishing process in the existing technology, resulting in uncontrollable polishing quality.

[0005] To achieve the above objectives, this utility model adopts the following technical solution: a shaft polishing device, comprising a frame and a polishing belt, wherein a cylinder is fixedly connected to the upper rear side of the inner wall of the frame, a slider is fixedly connected to the output end of the cylinder, the slider is slidably connected to the upper rear side of the inner wall of the frame, a fixing block is fixedly connected to the lower front side of the outer wall of the slider, a servo motor is fixedly connected to the top wall of the fixing block, a rotating shaft is fixedly connected to the output end of the servo motor, a drive wheel is fixedly connected to the outer wall of the rotating shaft, and a fixing plate is fixedly connected to the left front end of the outer wall of the slider. A rotating shaft 1 passes through the left rear end of the outer wall of the fixed plate. A cylinder 2 is fixedly connected to the left side of the outer wall of the fixed plate. A slider 2 is fixedly connected to the output end of the cylinder 2. A sliding groove is provided at the front end of the left side of the outer wall of the fixed plate. The slider 2 is slidably connected to the sliding groove. A rotating shaft 2 is fixedly connected to the left side of the outer wall of the slider 2. A driven wheel is rotatably connected to the outer wall of the rotating shaft 2. The driving wheel is connected to the driven wheel through a polishing belt. A worktable is fixedly connected inside the frame. A shaft is provided on the top of the worktable. A clamping mechanism is provided on the left side of the top wall of the worktable. The clamping mechanism is used to clamp the shaft.

[0006] Through the above technical solution: after ensuring that the shaft is fixed correctly, the servo motor is started, and the servo motor drives the rotating shaft to rotate at high speed. The rotating shaft then drives the drive wheel to rotate. The drive wheel causes the driven wheel to rotate on the slider two through the polishing belt. Then, the cylinder two is started, and the cylinder two pushes the slider two to slide along the slide groove. The slider two drives the rotating shaft two and the driven wheel to move horizontally. By adjusting the distance between the driven wheel and the drive wheel, the tension of the polishing belt can be precisely adjusted. At the same time, the cylinder one pushes the slider one to slide on the frame, so that the slider one can drive the servo motor and the polishing belt to move along the axial direction of the shaft, thereby achieving uniform polishing of the shaft. A clamping mechanism is provided on the left side of the top wall of the worktable. The clamping mechanism is used to clamp the shaft.

[0007] As a further description of the above technical solution:

[0008] The clamping mechanism includes two fixed blocks, which are fixedly connected to the front and rear ends of the left side of the top wall of the worktable. A hydraulic rod is fixedly connected to the top wall of the fixed block, and a V-shaped block is fixedly connected to the output end of the hydraulic rod. Multiple springs are equidistantly installed on the inner side of the outer wall of the V-shaped block, and a clamping plate is fixedly connected to the end of the spring. Multiple rotating wheels are equidistantly rotatably connected to the outer wall of the clamping plate. A slider three is fixedly connected to the bottom wall of the V-shaped block, and the slider three is slidably connected to the left side of the top wall of the worktable.

[0009] The above technical solution involves the following steps: First, the shaft is placed between two V-blocks. Then, two hydraulic rods are activated, which simultaneously push the sliders at the bottom of the V-blocks to slide on the worktable, causing the two V-blocks to move closer to the shaft. Once the V-blocks contact the shaft, the hydraulic rods continue to apply pressure, causing the springs inside the V-blocks to compress. This results in the clamping plates tightly fitting the surface of the shaft. The elastic deformation of the springs enables adaptive clamping of shafts with different diameters. At the same time, the rollers on the clamping plates roll during the polishing operation as the shaft rotates, reducing friction, preventing damage to the shaft surface, and ensuring the stability of its positioning.

[0010] As a further description of the above technical solution:

[0011] The outer wall of the frame is equipped with protective doors on the upper left and right sides of the front part, and the outer wall of the protective doors is provided with observation windows.

[0012] Through the above technical solutions: the protective door can isolate the internal working area from the external environment, thus protecting the safety of the operators, while the observation window allows the operators to directly observe the internal working conditions without opening the protective door when the equipment is running.

[0013] As a further description of the above technical solution:

[0014] Hinges are provided at the four corners of the upper front side of the outer wall of the frame, and bolts are threaded to the four corners of the outer wall of the hinges. The protective door is rotatably connected to the frame through the hinges.

[0015] Through the above technical solution: the hinge is used to connect the protective door and the frame, so that the protective door can rotate around the hinge, thereby realizing the opening and closing of the protective door. The bolt is used to fix the hinge to the protective door and the frame, ensuring that the connection of the hinge is firm and reliable, ensuring that the protective door can rotate normally and can fit tightly against the frame when closed, thereby enhancing the protective effect.

[0016] As a further description of the above technical solution:

[0017] A handle is fixedly connected to the front side of the outer wall of the protective door, and an anti-slip sleeve is installed on the outer wall of the handle.

[0018] The above technical solution enables operators to easily open and close the protective door, improving operational convenience, while the anti-slip sleeve increases the friction between the hand and the handle, preventing the hand from slipping during operation.

[0019] As a further description of the above technical solution:

[0020] The outer left side of the frame is equipped with controllers, and the rear side of the top wall of the frame is equipped with an alarm light.

[0021] The above technical solution allows the controller to adjust polishing parameters and display real-time data, while the alarm light reminds operators to address problems promptly and prevent equipment damage or safety accidents.

[0022] As a further description of the above technical solution:

[0023] The frame has four fixed support feet at the four corners of its bottom wall, and the bottom walls of the support feet are equipped with shock-absorbing pads.

[0024] Through the above technical solution: the support feet are used to ensure the stable placement of the frame, and the shock-absorbing pads can effectively absorb the vibration generated during the operation of the equipment, reduce the vibration transmitted to the ground, reduce the noise of the equipment operation, and at the same time avoid the vibration from affecting the processing accuracy of the equipment and extend the service life of the equipment.

[0025] As a further description of the above technical solution:

[0026] A fixing block three is fixedly connected to the rear side of the top wall of the workbench, and an infrared sensor is installed on the front side of the outer wall of the fixing block three.

[0027] Through the above technical solution: the fixing block three is used to fix the infrared sensor, which is used to monitor the temperature of the polished surface in real time to prevent overheating and damage to the shaft.

[0028] This utility model has the following beneficial effects:

[0029] 1. In this utility model, the servo motor is started, which drives the rotating shaft to rotate at high speed. The driving wheel rotates accordingly, and the driven wheel rotates on the slider two through the polishing belt. The cylinder two is started, which pushes the slider two to slide along the slide groove. The slider two drives the rotating shaft two and the driven wheel to translate. The distance between the driven wheel and the driving wheel is adjusted to adjust the tension of the polishing belt. The cylinder one pushes the slider one to slide on the frame, which drives the servo motor and the polishing belt to move along the shaft axis. It can adapt to the polishing requirements of shaft cores with different diameters and achieve uniform polishing.

[0030] 2. In this utility model, firstly, the shaft is placed between two V-blocks, the hydraulic rod is activated, and the slider three under the V-block is pushed to slide on the worktable, so that the V-block is close to the shaft. After contact, the hydraulic rod continues to apply pressure, the spring is compressed, and the clamping plate is tightly attached to the surface of the shaft to achieve self-adaptive clamping. The rotating wheel rolls when the shaft rotates, reducing friction, protecting the surface and ensuring stable positioning. Attached Figure Description

[0031] Figure 1 This is a front view of a shaft polishing device proposed in this utility model;

[0032] Figure 2 This is a perspective view of a shaft polishing device proposed in this utility model;

[0033] Figure 3 This is a partial structural schematic diagram of a shaft polishing device proposed in this utility model;

[0034] Figure 4 This is a partial structural diagram of a shaft polishing device proposed in this utility model;

[0035] Figure 5 This is a schematic diagram of the clamping mechanism of a shaft polishing device proposed in this utility model.

[0036] Legend:

[0037] 1. Frame; 2. Clamping mechanism; 201. Fixed block two; 202. Hydraulic rod; 203. V-block; 204. Spring; 205. Clamping plate; 206. Rotary wheel; 207. Slider three; 3. Cylinder one; 4. Slider one; 5. Fixed block one; 6. Servo motor; 7. Rotating shaft one; 8. Drive wheel; 9. Fixed plate; 10. Cylinder two; 11. Slider two; 12. Slide groove; 13. Rotating shaft two; 14. Driven wheel; 15. Polishing belt; 16. Worktable; 17. Shaft; 18. Protective door; 19. Observation window; 20. Hinge; 21. Bolt; 22. Handle; 23. Anti-slip sleeve; 24. Controller; 25. Alarm light; 26. Support foot; 27. Shock-absorbing foot pad; 28. Fixed block three; 29. ​​Infrared sensor. Detailed Implementation

[0038] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0039] Reference Figure 2 , Figure 3 and Figure 4This utility model provides an embodiment of a shaft polishing device, including a frame 1 and a polishing belt 15. A cylinder 3 is fixedly connected to the upper middle part of the rear side of the inner wall of the frame 1. The frame 1 is a welded steel structure. A slider 4 is fixedly connected to the output end of the cylinder 3. The slider 4 is slidably connected to the upper middle part of the rear side of the inner wall of the frame 1. A fixing block 5 is fixedly connected to the lower middle part of the front side of the outer wall of the slider 4. A servo motor 6 is fixedly connected to the top wall of the fixing block 5. The servo motor 6 has a power of 1.A 5kW servo motor with a rated speed of 3000rpm has a rotating shaft 7 fixedly connected to its output end. The servo motor 6 drives the rotating shaft 7 to rotate. A drive wheel 8 is fixedly connected to the outer wall of the rotating shaft 7. The drive wheel 8 is made of 45# steel with a chrome-plated surface and has a diameter of 200mm. The rotating shaft 7 drives the drive wheel 8 to rotate. A fixed plate 9 is fixedly connected to the left front end of the outer wall of the slider 4. The rotating shaft 7 passes through the left rear end of the outer wall of the fixed plate 9. A cylinder 10 is fixedly connected to the left side of the outer wall of the fixed plate 9. The cylinder 10 has a stroke of 100mm and a thrust of 500N. A slider 11 is fixedly connected to the output end of the cylinder 10. A groove 12 is opened at the front left side of the outer wall of the fixed plate 9. The slider 11 is slidably connected to the groove 12. The cylinder 10 pushes the slider 11. 11 slides along the slide groove 12. A rotating shaft 13 is fixedly connected to the left side of the outer wall of the slider 11. A driven wheel 14 is rotatably connected to the outer wall of the rotating shaft 13. The driven wheel 14 is made of 45 steel with a chrome-plated surface and has a diameter of 150mm. The slider 11 drives the rotating shaft 13 and the driven wheel 14 to move horizontally, which can change the distance between the driven wheel 14 and the driving wheel 8 and precisely adjust the tension of the polishing belt 15. The driving wheel 8 is connected to the driven wheel 14 through the polishing belt 15. The polishing belt 15 is a silicon carbide coated fiber belt with a width of 50mm. The driving wheel 8 drives the driven wheel 14 to rotate on the slider 11 through the polishing belt 15. A worktable 16 is fixedly connected inside the frame 1. A shaft 17 is set on the top of the worktable 16. A clamp is set on the left side of the top wall of the worktable 16. Mechanism 2, the clamping mechanism 2 is used to clamp the shaft 17. Protective doors 18 are provided on both the upper left and right ends of the front side of the outer wall of the frame 1. Observation windows 19 are provided on the front side of the outer wall of the protective doors 18. Hinges 20 are provided at the four corners of the upper left and middle front side of the outer wall of the frame 1. Bolts 21 are threadedly connected to the four corners of the front left side of the outer wall of the hinges 20. The protective doors 18 are rotatably connected to the frame 1 via the hinges 20. The shaft 17 is provided on the top of the worktable 16. The clamping mechanism 2 is provided on the left side of the top wall of the worktable 16. The clamping mechanism 2 is used to clamp the shaft 17. Protective doors 18 are provided on both the upper left and middle front sides of the outer wall of the frame 1. The protective doors 18 can isolate the internal working area from the external environment, playing a role in protecting the safety of the operators. An observation window 19 is provided on the front side of the outer wall. The observation window 19 allows operators to directly observe the internal working conditions without opening the protective door 18 while the equipment is running. Hinges 20 are installed at the four corners of the upper middle part of the front side of the outer wall of the frame 1. Bolts 21 are threadedly connected to the four corners of the front side of the hinges 20. The bolts 21 are used to fix the hinges 20 to the protective door 18 and the frame 1, ensuring a stable and reliable connection of the hinges 20. This ensures that the protective door 18 can rotate normally and fit tightly against the frame 1 when closed, enhancing the protective effect. The protective door 18 is rotatably connected to the frame 1 via the hinges 20. The hinges 20 connect the protective door 18 and the frame 1, allowing the protective door 18 to rotate around the hinges 20, thereby realizing the opening and closing of the protective door 18.

[0040] Specifically, after ensuring that the shaft 17 is fixed correctly, the servo motor 6 is started. The servo motor 6 then drives the rotating shaft 7 to rotate at high speed. The rotating shaft 7 then drives the driving wheel 8 to rotate. The driving wheel 8 causes the driven wheel 14 to rotate on the slider 11 through the polishing belt 15. Then, the cylinder 10 is started. The cylinder 10 pushes the slider 11 to slide along the slide groove 12. The slider 11 drives the rotating shaft 13 and the driven wheel 14 to translate. By adjusting the distance between the driven wheel 14 and the driving wheel 8, the tension of the polishing belt 15 can be precisely adjusted. At the same time, the cylinder 3 pushes the slider 4 to slide on the frame 1, so that the slider 4 can drive the servo motor 6 and the polishing belt 15 to move along the axial direction of the shaft 17, thereby achieving uniform polishing of the shaft 17. A clamping mechanism 2 is provided on the left side of the top wall of the worktable 16. The clamping mechanism 2 is used to clamp the shaft 17. The protective door 18 can isolate the internal working area from the external environment, which can protect the safety of the operator. The observation window 19 allows the operator to directly observe the internal working situation without opening the protective door 18 when the equipment is running. The hinge 20 is used to connect the protective door 18 and the frame 1, so that the protective door 18 can rotate around the hinge 20, thereby realizing the opening and closing of the protective door 18. The bolt 21 is used to fix the hinge 20, the protective door 18 and the frame 1, ensuring that the connection of the hinge 20 is stable and reliable, ensuring that the protective door 18 can rotate normally and can fit tightly against the frame 1 when closed, thereby enhancing the protective effect.

[0041] Reference Figure 3 and Figure 5 The clamping mechanism 2 includes two fixed blocks 201, which are fixedly connected to the front and rear ends of the left side of the top wall of the worktable 16. A hydraulic rod 202 is fixedly connected to the top wall of the fixed blocks 201 for movement. A V-block 203 is fixedly connected to the output end of the hydraulic rod 202. The hydraulic rod 202 is used to push the V-block 203. Multiple springs 204 are equidistantly installed on the inner side of the outer wall of the V-block 203. A clamping plate 205 is fixedly connected to the end of each spring 204. The springs 204 are used to drive the clamping plate 205 to tightly fit against the surface of the shaft 17. A rotatable joint is equidistantly connected to the outer wall of the clamping plate 205. Multiple rotating wheels 206 roll during the polishing of the shaft 17 to reduce friction. A slider 3 207 is fixedly connected to the bottom wall of the V-block 203. The slider 3 207 is slidably connected to the left side of the top wall of the worktable 16. The slider 3 207 under the V-block 203 slides on the worktable 16. A fixing block 3 28 is fixedly connected to the rear side of the top wall of the worktable 16. The fixing block 3 28 is used to fix the infrared sensor 29. The infrared sensor 29 is installed on the front side of the outer wall of the fixing block 3 28. The infrared sensor 29 is used to monitor the polishing surface temperature in real time to prevent overheating damage to the shaft 17.

[0042] Specifically, the shaft 17 is placed between two V-blocks 203, and then two hydraulic rods 202 are activated. The hydraulic rods 202 synchronously push the slider 207 at the bottom of the V-blocks 203 onto the worktable 16, causing the two V-blocks 203 to move closer to the shaft 17. Once the V-blocks 203 contact the shaft 17, the hydraulic rods 202 continue to apply pressure, causing the spring 204 inside the V-blocks 203 to compress. This causes the clamping plate 205 to tightly fit against the surface of the shaft 17. The elastic deformation of the spring 204 enables adaptive clamping of shafts 17 with different diameters. Simultaneously, the roller 206 on the clamping plate 205 rolls as the shaft 17 rotates for polishing, reducing friction, preventing damage to the surface of the shaft 17, and ensuring its positioning stability. The fixing block 28 is used to fix the infrared sensor 29, which monitors the polishing surface temperature in real time to prevent overheating damage to the shaft 17.

[0043] Reference Figure 1 and Figure 2 A handle 22 is fixedly connected to the front side of the outer wall of the protective door 18. The handle 22 makes it easy for operators to open and close the protective door 18, improving the convenience of operation. The outer wall of the handle 22 is equipped with an anti-slip sleeve 23, which increases the friction between the hand and the handle 22 to prevent the hand from slipping during operation and ensure safe and stable operation. The left side of the outer wall of the frame 1 is equipped with a controller 24, which is used to adjust polishing parameters and display real-time data. The rear side of the top wall of the frame 1 is equipped with an alarm light 25, which is used to remind operators to deal with problems in time and avoid equipment damage or safety accidents. The four corners of the bottom wall of the frame 1 are fixedly connected with support feet 26, which are used to ensure the stable placement of the frame 1. The bottom wall of the support feet 26 is equipped with shock-absorbing pads 27, which can effectively absorb the vibration generated during the operation of the equipment, reduce the vibration transmitted to the ground, reduce the noise of the equipment operation, and at the same time avoid the vibration from affecting the processing accuracy of the equipment and extend the service life of the equipment.

[0044] Specifically, the handle 22 allows operators to easily open and close the protective door 18, improving operational convenience; the anti-slip sleeve 23 increases the friction between the hand and the handle 22, preventing slippage during operation and ensuring safe and stable operation; the controller 24 adjusts polishing parameters and displays real-time data; the alarm light 25 reminds operators to handle problems promptly, preventing equipment damage or safety accidents; the support feet 26 ensure the stable placement of the frame 1; and the shock-absorbing pads 27 effectively absorb vibrations generated during equipment operation, reducing vibration transmission to the ground, lowering equipment operating noise, and preventing vibration from affecting the processing accuracy of the equipment, thus extending the equipment's service life.

[0045] Working principle: After fixing the shaft 17, start the servo motor 6. The servo motor 6 drives the rotating shaft 7 to rotate at high speed. The rotating shaft 7 drives the driving wheel 8 to rotate. The driving wheel 8 drives the driven wheel 14 to rotate on the slider 11 through the polishing belt 15. Start the cylinder 10. The cylinder 10 pushes the slider 11 to slide along the slide groove 12. The slider 11 drives the rotating shaft 13 and the driven wheel 14 to translate. By changing the distance between the driven wheel 14 and the driving wheel 8, the tension of the polishing belt 15 is precisely adjusted. The cylinder 3 pushes the slider 4 to slide on the frame 1, so that the slider 4 can drive the servo motor 6 and the polishing belt 15 to move along the axial direction of the shaft 17, thereby achieving uniform polishing of the shaft 17.

[0046] First, place the shaft 17 between two V-blocks 203. Then, activate the two hydraulic rods 202. The two hydraulic rods 202 simultaneously push the slider 207 under the V-blocks 203 to slide on the worktable 16, so that the two V-blocks 203 approach the shaft 17 at the same time. After the V-blocks 203 contact the shaft 17, the hydraulic rods 202 continue to apply pressure, and the spring 204 on the inner side of the V-blocks 203 is compressed, causing the clamping plate 205 to fit tightly against the surface of the shaft 17. The elastic deformation of the spring 204 enables adaptive clamping of shafts 17 with different diameters. At the same time, the roller 206 on the clamping plate 205 rolls when the shaft 17 rotates and polishes, reducing friction, preventing damage to the surface of the shaft 17, and ensuring its stable positioning.

[0047] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A spindle polishing apparatus comprising a frame (1) and a polishing belt (15), characterized in that: A cylinder (3) is fixedly connected to the upper middle part of the rear side of the inner wall of the frame (1). A slider (4) is fixedly connected to the output end of the cylinder (3). The slider (4) is slidably connected to the upper middle part of the rear side of the inner wall of the frame (1). A fixing block (5) is fixedly connected to the lower middle part of the front side of the outer wall of the slider (4). A servo motor (6) is fixedly connected to the top wall of the fixing block (5). A rotating shaft (7) is fixedly connected to the output end of the servo motor (6). An active wheel (8) is fixedly connected to the outer wall of the rotating shaft (7). A fixing plate (9) is fixedly connected to the left end of the front side of the outer wall of the slider (4). The rotating shaft (7) passes through the left rear end of the outer wall of the fixing plate (9). A pneumatic cylinder is fixedly connected to the left side of the outer wall of the fixing plate (9). Cylinder 2 (10), the output end of cylinder 2 (10) is fixedly connected to slider 2 (11), the front end of the left side of the outer wall of the fixed plate (9) is provided with a sliding groove (12), slider 2 (11) is slidably connected to sliding groove (12), the left side of the outer wall of slider 2 (11) is fixedly connected to rotating shaft 2 (13), the outer wall of rotating shaft 2 (13) is rotatably connected to driven wheel (14), the driving wheel (8) is connected to driven wheel (14) through polishing belt (15), the inside of the frame (1) is fixedly connected to workbench (16), the top of workbench (16) is provided with shaft body (17), the left side of the top wall of workbench (16) is provided with clamping mechanism (2), the clamping mechanism (2) is used to clamp shaft body (17).

2. The shaft core polishing equipment according to claim 1, characterized in that: The clamping mechanism (2) includes a second fixed block (201). Two second fixed blocks (201) are fixedly connected to the front and rear ends of the left side of the top wall of the worktable (16). A hydraulic rod (202) is fixedly connected to the top wall of the second fixed block (201). A V-shaped block (203) is fixedly connected to the output end of the hydraulic rod (202). Multiple springs (204) are equidistantly installed on the inner side of the outer wall of the V-shaped block (203). A clamping plate (205) is fixedly connected to the end of the spring (204). Multiple rotating wheels (206) are equidistantly rotatably connected to the outer wall of the clamping plate (205). A slider (207) is fixedly connected to the bottom wall of the V-shaped block (203). The slider (207) is slidably connected to the left side of the top wall of the worktable (16).

3. The shaft core polishing equipment according to claim 1, characterized in that: The frame (1) is provided with protective doors (18) on the upper left and right sides of the front side of the outer wall, and observation windows (19) are provided on the front side of the outer wall of the protective doors (18).

4. The shaft core polishing equipment according to claim 3, characterized in that: Hinges (20) are provided at the four corners of the upper middle part of the outer wall of the frame (1). Bolts (21) are threadedly connected at the four corners of the outer wall of the hinges (20). The protective door (18) is rotatably connected to the frame (1) through the hinges (20).

5. The shaft core polishing equipment according to claim 3, characterized in that: A handle (22) is fixedly connected to the front side of the outer wall of the protective door (18), and an anti-slip sleeve (23) is installed on the outer wall of the handle (22).

6. The shaft polishing equipment according to claim 1, characterized in that: A controller (24) is installed on the front and back of the left side of the outer wall of the frame (1), and an alarm light (25) is installed on the rear side of the top wall of the frame (1).

7. The shaft core polishing equipment according to claim 1, characterized in that: The frame (1) has four corners of the bottom wall with fixed support feet (26), and the bottom wall of the support feet (26) is equipped with shock-absorbing pads (27).

8. The shaft core polishing equipment according to claim 1, characterized in that: A fixing block three (28) is fixedly connected to the rear side of the top wall of the workbench (16), and an infrared sensor (29) is installed on the front side of the outer wall of the fixing block three (28).

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