Belt pulley chamfering equipment

Abstract

The utility model discloses belt pulley chamfering equipment which comprises a chamfering frame, a feeding assembly, a moving assembly, a clamping assembly and a chamfering assembly, the feeding assembly is arranged on the front side of the chamfering frame, the moving assembly is arranged on the top of the chamfering frame, the clamping assembly is arranged on the top of the moving assembly, and the chamfering assembly is arranged on the front side of the chamfering frame; the chamfering assembly comprises a fixed plate fixedly mounted on the front side of the chamfering frame, a fixed block is fixedly mounted on the front side of the fixed plate, and a movable block is slidably mounted on the front side of the fixed plate; and an outer rotating shaft and an inner rotating shaft. The chamfering assembly can adjust the distance between the outer side milling cutter and the inner side milling cutter according to the distance between the inner side and the outer side of the belt pulley and synchronously chamfer the inner side and the outer side of the belt pulley at the same time, so that the chamfering efficiency of the belt pulley chamfering equipment on the belt pulley is improved; and therefore, the chamfering effect of the belt pulley chamfering equipment on the belt pulley is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of pulley chamfering, in particular to a pulley chamfering device. Background Art

[0002] Pulleys are generally produced by stamping or spinning. There are many edge burrs and sharp angles on the outside and inside of the outer edge of the pulley. In order to remove burrs, facilitate assembly, solve stress concentration and provide guiding and positioning functions, the edge burrs and sharp angles on the outside and inside of the outer edge of the pulley will be chamfered to ensure the safety and reliability of the pulley during use.

[0003] When using common pulley chamfering equipment, the pulley is placed on the feeding device, the feeding device transports the pulley to the clamping mechanism, the clamping mechanism clamps the pulley, and the slide drives the chamfering cutter close to the pulley, gradually chamfering its outer and inner sides, or drives two chamfering cutters fixed on the slide close to the pulley, and chamfering its outer and inner sides at the same time.

[0004] However, when common pulley chamfering equipment chamfers the pulley, if a chamfering milling cutter is used to gradually chamfer the outer and inner sides, the chamfering efficiency of the pulley chamfering equipment is reduced. If two chamfering milling cutters fixed on the slide are used to chamfer the outer and inner sides at the same time, there will be a situation where the distances between the outer and inner sides of the chamfered pulley are different, thereby reducing the chamfering effect of the pulley chamfering equipment on the pulley. It is urgent to design a pulley chamfering equipment to solve the above problems. Utility Model Content

[0005] The purpose of the utility model is to provide a pulley chamfering device to solve the above-mentioned deficiencies in the prior art.

[0006] In order to achieve the above purpose, the present invention provides the following technical solutions:

[0007] A pulley chamfering device comprises a chamfering frame, a feeding assembly, a moving assembly, a clamping assembly and a chamfering assembly, wherein the feeding assembly is arranged on the front side of the chamfering frame, the moving assembly is arranged on the top of the chamfering frame, the clamping assembly is arranged on the top of the moving assembly, and the chamfering assembly is arranged on the front side of the chamfering frame;

[0008] The chamfering assembly includes a fixed plate fixedly mounted on the front side of the chamfering frame, a fixed block fixedly mounted on the front side of the fixed plate, and a movable block slidably mounted on the front side of the fixed plate;

[0009] The outer rotating shaft is rotatably installed on the front side of the moving block, and the inner rotating shaft is rotatably installed on the front side of the fixed block.

[0010] The outer milling cutter is fixedly installed on the front side of the outer rotating shaft, and the inner milling cutter is fixedly installed on the front side of the inner rotating shaft.

[0011] The chamfering motor is fixedly installed on the rear side of the chamfering frame, and the inner rotating shaft is connected with the output end of the chamfering motor.

[0012] The threaded column is rotatably installed on the top of the fixed block, the threaded column is threadedly connected with the moving block, and the knob is fixedly installed on the top of the threaded column.

[0013] The chamfering assembly can adjust the distance between the outer milling cutter and the inner milling cutter while synchronously chamfering the inner and outer sides of the pulley according to the distance between the inner and outer sides of the pulley, thereby increasing the chamfering efficiency of the pulley chamfering device on the pulley, and improving the chamfering effect of the pulley chamfering device on the pulley.

[0014] The transmission tensioning structure comprises a supporting block, a U-shaped plate, a tensioning rotating shaft, a transmission belt and a tension spring, the supporting block is fixedly installed on the front side of the fixed plate, the U-shaped plate is slidably installed on the front side of the fixed plate, the tension spring is fixedly installed between the supporting block and the U-shaped plate, the tensioning rotating shaft is rotatably installed between the U-shaped plates, and the transmission belt is sleeved between the tensioning rotating shaft, the outer rotating shaft and the inner rotating shaft.

[0015] The feeding assembly comprises an inlet plate, a first arc-shaped plate, a first connecting plate, a first baffle, an outlet plate, a second arc-shaped plate, a second connecting plate and a second baffle, the inlet plate is fixedly installed on the front side of the chamfering frame, the first arc-shaped plate is fixedly installed on the front side of the chamfering frame, the first connecting plate is fixedly installed on the front side of the chamfering frame, and the first baffle is fixedly installed on the front side of the first connecting plate.

[0016] The outlet plate is fixedly installed on the front side of the chamfering frame, the second arc-shaped plate is fixedly installed on the front side of the chamfering frame, the second connecting plate is fixedly installed on the front side of the chamfering frame, and the second baffle is fixedly installed on the front side of the second connecting plate.

[0017] The moving assembly includes a first electric push rod, a first L-shaped plate, a second electric push rod, a second L-shaped plate and a hydraulic cylinder. The first electric push rod is fixedly installed on the top of the chamfering frame, the first L-shaped plate is slidably installed on the top of the chamfering frame, and the first L-shaped plate is connected to the output end of the first electric push rod.

[0018] The second electric push rod is fixedly mounted on the top of the first L-shaped plate, the second L-shaped plate is slidably mounted on the top of the first L-shaped plate, the second L-shaped plate is connected to the output end of the second electric push rod, and the hydraulic cylinder is fixedly mounted on the top of the second L-shaped plate.

[0019] The clamping assembly includes a clamping frame, a rotating frame, a clamping plate, a linkage plate, a first circular plate, a second circular plate, a support plate, a third electric push rod, a clamping motor, a gear and a gear ring. The clamping frame is slidably installed on one side of the first L-shaped plate, and the clamping frame is connected to the output end of the hydraulic cylinder.

[0020] The rotating frame is rotatably mounted on the rear side of the clamping frame, a slide groove is provided on the rear side of the rotating frame, a circular groove is provided between the rotating frame and the clamping frame, the clamping plate is slidably mounted in the slide groove, the linkage plate is rotatably mounted on the front side of the clamping plate, the first circular plate is rotatably mounted on the front side of the linkage plate, the second circular plate is rotatably mounted on the front side of the first circular plate, the support plate is fixedly mounted on the front side of the clamping frame, the third electric push rod is fixedly mounted on the rear side of the support plate, the second circular plate is connected to the output end of the third electric push rod, the clamping motor is fixedly mounted on the rear side of the support plate, the gear is rotatably mounted on the front side of the clamping frame, the gear ring is rotatably mounted on the front side of the clamping frame, the gear is connected to the output end of the clamping motor, and the gear ring is connected to the rotating frame.

[0021] In the above technical solution, the utility model provides a pulley chamfering device, which has the following beneficial effects:

[0022] 1. The chamfering component can adjust the distance between the outer milling cutter and the inner milling cutter according to the distance between the inner and outer sides of the pulley, and simultaneously chamfer the inner and outer sides of the pulley, thereby increasing the chamfering efficiency of the pulley chamfering equipment, thereby improving the chamfering effect of the pulley chamfering equipment on the pulley.

[0023] 2. The moving component can move the pulley through the clamping component according to actual needs, so as to adjust the position of the pulley, thereby increasing the flexibility of the pulley chamfering equipment when used.

[0024] 3. The clamping assembly can clamp and fix pulleys of different sizes, thereby improving the flexibility of the pulley chamfering equipment when used. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments. Obviously, the drawings described below are only some embodiments recorded in the present invention. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0026] Figure 1 The present invention provides a schematic structural diagram of a pulley chamfering device according to an embodiment of the present invention.

[0027] Figure 2 A schematic structural diagram of a feeding assembly provided for an embodiment of a pulley chamfering device of the utility model.

[0028] Figure 3 A schematic diagram of the structure of a movable assembly provided in an embodiment of a pulley chamfering device of the utility model.

[0029] Figure 4 A schematic diagram of the chamfering assembly structure provided for an embodiment of a pulley chamfering device of the utility model.

[0030] Figure 5 A schematic diagram of the structure of a clamping assembly provided in an embodiment of a pulley chamfering device of the utility model.

[0031] 1. Chamfering frame; 2. Feeding assembly; 3. Moving assembly; 4. Clamping assembly; 5. Chamfering assembly; 6. Fixed plate; 7. Fixed block; 8. Moving block; 9. Outer shaft; 10. Inner shaft; 11. Outer milling cutter; 12. Inner milling cutter; 13. Chamfering motor; 14. Support block; 15. U-shaped plate; 16. Tensioning shaft; 17. Drive belt; 18. Tension spring; 19. Threaded column; 20. Knob; 21. Feed plate; 22. First curved plate; 23. First connecting plate; 24. First baffle plate 25. Discharge plate; 26. Second arc-shaped plate; 27. Second connecting plate; 28. Second baffle; 29. ​​First electric push rod; 30. First L-shaped plate; 31. Second electric push rod; 32. Second L-shaped plate; 33. Hydraulic cylinder; 34. Clamping frame; 35. Rotating frame; 36. Clamping plate; 37. Linkage plate; 38. First circular plate; 39. Second circular plate; 40. Support plate; 41. Third electric push rod; 42. Clamping motor; 43. Gear; 44. Gear ring; 45. Slide groove; 46. Circular groove. DETAILED DESCRIPTION

[0032] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below with reference to the accompanying drawings.

[0033] like Figures 1-5As shown, an embodiment of the present utility model provides a pulley chamfering device.

[0034] It includes a chamfering frame 1, a feeding assembly 2, a moving assembly 3, a clamping assembly 4 and a chamfering assembly 5. The feeding assembly 2 is arranged on the front side of the chamfering frame 1, the moving assembly 3 is arranged on the top of the chamfering frame 1, the clamping assembly 4 is arranged on the top of the moving assembly 3, and the chamfering assembly 5 is arranged on the front side of the chamfering frame 1;

[0035] The chamfering assembly 5 includes a fixed plate 6 fixedly mounted on the front side of the chamfering frame 1, a fixed block 7 fixedly mounted on the front side of the fixed plate 6, and a movable block 8 slidably mounted on the front side of the fixed plate 6;

[0036] An outer rotating shaft 9 and an inner rotating shaft 10, the outer rotating shaft 9 is rotatably mounted on the front side of the movable block 8, the inner rotating shaft 10 is rotatably mounted on the front side of the fixed block 7, and a transmission tensioning structure is provided on the front side of the fixed plate 6, the transmission tensioning structure is at least used for transmission tensioning of the outer rotating shaft 9 and the inner rotating shaft 10;

[0037] An outer milling cutter 11 and an inner milling cutter 12, wherein the outer milling cutter 11 is fixedly mounted on the front side of the outer rotating shaft 9, and the inner milling cutter 12 is fixedly mounted on the front side of the inner rotating shaft 10;

[0038] The chamfering motor 13 is fixedly mounted on the rear side of the chamfering frame 1, and the inner rotating shaft 10 is connected to the output end of the chamfering motor 13;

[0039] The threaded column 19 and the knob 20 are rotatably mounted on the top of the fixed block 7 , the threaded column 19 is threadedly connected to the movable block 8 , and the knob 20 is fixedly mounted on the top of the threaded column 19 .

[0040] The chamfering component 5 can adjust the distance between the outer milling cutter 11 and the inner milling cutter 12 according to the distance between the inner and outer sides of the pulley, and simultaneously chamfer the inner and outer sides of the pulley, thereby increasing the chamfering efficiency of the pulley chamfering device on the pulley, thereby improving the chamfering effect of the pulley chamfering device on the pulley.

[0041] According to the required distance between the outer side and the inner side of the chamfered pulley, the hand-held knob 20 drives the threaded column 19 to rotate, and the threaded column 19 drives the outer rotating shaft 9 to move through the moving block 8, and the outer rotating shaft 9 drives the outer milling cutter 11 to move, and the tension spring 18 stretches the U-shaped plate 15 through the support block 14, and the U-shaped plate 15 tensions the transmission belt 17 through the tensioning shaft 16. After the distance between the outer milling cutter 11 and the inner milling cutter 12 is adjusted, the chamfering motor 13 is started to drive the inner rotating shaft 10 to rotate, and the inner rotating shaft 10 drives the tensioning shaft 16 and the outer rotating shaft 9 to rotate through the transmission belt 17, and the outer rotating shaft 9 and the inner rotating shaft 10 drive the outer milling cutter 11 and the inner milling cutter 12 to rotate, and at the same time, the outer and inner sides of the pulley are chamfered.

[0042] Reference Figure 4 The transmission tensioning structure of this embodiment includes a support block 14, a U-shaped plate 15, a tensioning shaft 16, a transmission belt 17 and a tension spring 18. The support block 14 is fixedly installed on the front side of the fixed plate 6, the U-shaped plate 15 is slidably installed on the front side of the fixed plate 6, the tension spring 18 is fixedly installed between the support block 14 and the U-shaped plate 15, the tensioning shaft 16 is rotatably installed between the U-shaped plates 15, and the transmission belt 17 is sleeved between the tensioning shaft 16, the outer shaft 9 and the inner shaft 10.

[0043] The transmission tensioning structure can transmit the outer rotating shaft 9 and the inner rotating shaft 10 while tensioning them, thereby increasing the stability of the pulley chamfering device during use.

[0044] Reference Figure 2 The feeding assembly 2 of this embodiment includes a feed plate 21, a first curved plate 22, a first connecting plate 23, a first baffle 24, a discharge plate 25, a second curved plate 26, a second connecting plate 27 and a second baffle 28. The feed plate 21 is fixedly mounted on the front side of the chamfered frame 1, the first curved plate 22 is fixedly mounted on the front side of the chamfered frame 1, the first connecting plate 23 is fixedly mounted on the front side of the chamfered frame 1, and the first baffle 24 is fixedly mounted on the front side of the first connecting plate 23.

[0045] The feeding assembly 2 can transport the pulley to a suitable position.

[0046] Place the pulley on the feed plate 21, and the pulley falls from the feed plate 21 to the first curved plate 22. Use the clamping component 4 to clamp the pulley. After the chamfering of the pulley is completed, use the clamping component 4 to place the pulley on the second curved plate 26 and release its clamping of the pulley. The pulley falls from the second curved plate 26 along the discharge plate 25.

[0047] The discharge plate 25 is fixedly mounted on the front side of the chamfered frame 1 , the second curved plate 26 is fixedly mounted on the front side of the chamfered frame 1 , the second connecting plate 27 is fixedly mounted on the front side of the chamfered frame 1 , and the second baffle 28 is fixedly mounted on the front side of the second connecting plate 27 .

[0048] Reference Figure 3 The moving component 3 of this embodiment includes a first electric push rod 29, a first L-shaped plate 30, a second electric push rod 31, a second L-shaped plate 32 and a hydraulic cylinder 33. The first electric push rod 29 is fixedly installed on the top of the chamfering frame 1, and the first L-shaped plate 30 is slidably installed on the top of the chamfering frame 1. The first L-shaped plate 30 is connected to the output end of the first electric push rod 29.

[0049] The moving component 3 can drive the pulley to move through the clamping component 4 according to actual needs, thereby adjusting the position of the pulley, thereby increasing the flexibility of the pulley chamfering device when used.

[0050] Start the first electric push rod 29 to drive the clamping assembly 4 to move left and right through the first L-shaped plate 30, the second L-shaped plate 32 and the hydraulic cylinder 33. Start the second electric push rod 31 to drive the clamping assembly 4 to move forward and backward through the second L-shaped plate 32 and the hydraulic cylinder 33. Start the hydraulic cylinder 33 to adjust the position height of the clamping assembly 4 according to the size of the pulley.

[0051] The second electric push rod 31 is fixedly mounted on the top of the first L-shaped plate 30 , the second L-shaped plate 32 is slidably mounted on the top of the first L-shaped plate 30 , the second L-shaped plate 32 is connected to the output end of the second electric push rod 31 , and the hydraulic cylinder 33 is fixedly mounted on the top of the second L-shaped plate 32 .

[0052] The hydraulic cylinder 33 can adjust the height of the pulley through the clamping assembly 4 according to actual needs.

[0053] Reference Figure 5 The clamping assembly 4 of this embodiment includes a clamping frame 34, a rotating frame 35, a clamping plate 36, a linkage plate 37, a first circular plate 38, a second circular plate 39, a support plate 40, a third electric push rod 41, a clamping motor 42, a gear 43 and a gear ring 44. The clamping frame 34 is slidably installed on one side of the first L-shaped plate 30, and the clamping frame 34 is connected to the output end of the hydraulic cylinder 33.

[0054] The clamping assembly 4 can clamp and fix pulleys of different sizes, thereby improving the flexibility of the pulley chamfering device when in use.

[0055] Start the third electric push rod 41 to clamp the pulleys of different sizes through the second circular plate 39, the first circular plate 38, the linkage plate 37 and the clamping plate 36, and start the clamping motor 42 to drive the pulley to rotate through the gear 43, the gear ring 44, the rotating frame 35 and the clamping plate 36.

[0056] The rotating frame 35 is rotatably mounted on the rear side of the clamping frame 34, and a slide groove 45 is opened on the rear side of the rotating frame 35. A circular groove 46 is opened between the rotating frame 35 and the clamping frame 34. The clamping plate 36 is slidably mounted in the slide groove 45, and the linkage plate 37 is rotatably mounted on the front side of the clamping plate 36. The first circular plate 38 is rotatably mounted on the front side of the linkage plate 37, and the second circular plate 39 is rotatably mounted on the front side of the first circular plate 38. The support plate 40 is fixedly mounted on the front side of the clamping frame 34, and the third electric push rod 41 is fixedly mounted on the rear side of the support plate 40. The second circular plate 39 is connected to the output end of the third electric push rod 41. The clamping motor 42 is fixedly mounted on the rear side of the support plate 40. The gear 43 is rotatably mounted on the front side of the clamping frame 34, and the gear ring 44 is rotatably mounted on the front side of the clamping frame 34. The gear 43 is connected to the output end of the clamping motor 42, and the gear ring 44 is connected to the rotating frame 35.

[0057] The rotating frame 35 can drive the pulley to rotate through the clamping plate 36, thereby improving the chamfering efficiency of the pulley chamfering device.

[0058] Working principle: Place the pulley on the feeding component 2, and use the moving component 3 to drive the clamping component 4 to move to the feeding component 2;

[0059] Control the clamping assembly 4 to clamp the pulley on the feeding assembly 2, and use the moving assembly 3 to move the pulley to the chamfering assembly 5 through the clamping assembly 4;

[0060] According to the required distance between the outer side and the inner side of the chamfered pulley, the hand-held knob 20 drives the threaded column 19 to rotate, the threaded column 19 drives the outer rotating shaft 9 to move through the moving block 8, and the outer rotating shaft 9 drives the outer milling cutter 11 to move, and the tension spring 18 stretches the U-shaped plate 15 through the support block 14, and the U-shaped plate 15 tensions the transmission belt 17 through the tensioning rotating shaft 16. After the distance between the outer milling cutter 11 and the inner milling cutter 12 is adjusted, the chamfering motor 13 is started to drive the inner rotating shaft 10 to rotate, and the inner rotating shaft 10 drives the tensioning rotating shaft 16 and the outer rotating shaft 9 to rotate through the transmission belt 17, and the outer rotating shaft 9 and the inner rotating shaft 10 drive the outer milling cutter 11 and the inner milling cutter 12 to rotate, and at the same time, the outer and inner sides of the pulley are chamfered;

[0061] Use the moving component 3 to move the pulley close to the inner milling cutter 12 and the outer milling cutter 11 through the clamping component 4 so that the pulley is chamfered. After the chamfering of the pulley is completed, use the moving component 3 to move the pulley away from the inner milling cutter 12 and the outer milling cutter 11 through the clamping component 4;

[0062] The moving assembly 3 is used to move the pulley onto the feeding assembly 2 through the clamping assembly 4 and release its clamping of the pulley.

[0063] The above description is merely illustrative of certain exemplary embodiments of the present invention. It goes without saying that those skilled in the art will be able to modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and description are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A pulley chamfering device, characterized in that: The invention comprises a chamfering frame (1), a feeding assembly (2), a moving assembly (3), a clamping assembly (4) and a chamfering assembly (5), wherein the feeding assembly (2) is arranged on the front side of the chamfering frame (1), the moving assembly (3) is arranged on the top of the chamfering frame (1), the clamping assembly (4) is arranged on the top of the moving assembly (3), and the chamfering assembly (5) is arranged on the front side of the chamfering frame (1); The chamfering assembly (5) comprises a fixed plate (6) fixedly mounted on the front side of the chamfering frame (1), a fixed block (7) fixedly mounted on the front side of the fixed plate (6), and a moving block (8) slidably mounted on the front side of the fixed plate (6); An outer rotating shaft (9) and an inner rotating shaft (10), wherein the outer rotating shaft (9) is rotatably mounted on the front side of the moving block (8), and the inner rotating shaft (10) is rotatably mounted on the front side of the fixed block (7); a transmission tensioning structure is provided on the front side of the fixed plate (6), and the transmission tensioning structure is used for at least performing transmission tensioning on the outer rotating shaft (9) and the inner rotating shaft (10); An outer milling cutter (11) and an inner milling cutter (12), wherein the outer milling cutter (11) is fixedly mounted on the front side of the outer rotating shaft (9), and the inner milling cutter (12) is fixedly mounted on the front side of the inner rotating shaft (10); A chamfering motor (13), wherein the chamfering motor (13) is fixedly mounted on the rear side of the chamfering frame (1), and the inner rotating shaft (10) is connected to the output end of the chamfering motor (13); A threaded column (19) and a knob (20), wherein the threaded column (19) is rotatably mounted on the top of the fixed block (7), the threaded column (19) is threadedly connected to the moving block (8), and the knob (20) is fixedly mounted on the top of the threaded column (19).

2. A pulley chamfering device according to claim 1, characterized in that: The transmission tensioning structure comprises a support block (14), a U-shaped plate (15), a tensioning shaft (16), a transmission belt (17) and a tension spring (18); the support block (14) is fixedly mounted on the front side of the fixed plate (6); the U-shaped plate (15) is slidably mounted on the front side of the fixed plate (6); the tensioning spring (18) is fixedly mounted between the support block (14) and the U-shaped plate (15); the tensioning shaft (16) is rotatably mounted between the U-shaped plates (15); and the transmission belt (17) is sleeved between the tensioning shaft (16), the outer shaft (9) and the inner shaft (10).

3. A pulley chamfering device according to claim 1, characterized in that: The feeding assembly (2) comprises an inlet plate (21), a first curved plate (22), a first connecting plate (23), a first baffle (24), an outlet plate (25), a second curved plate (26), a second connecting plate (27) and a second baffle (28), wherein the inlet plate (21) is fixedly mounted on the front side of the chamfered frame (1), the first curved plate (22) is fixedly mounted on the front side of the chamfered frame (1), the first connecting plate (23) is fixedly mounted on the front side of the chamfered frame (1), and the first baffle (24) is fixedly mounted on the front side of the first connecting plate (23).

4. A pulley chamfering device according to claim 3, characterized in that: The discharge plate (25) is fixedly mounted on the front side of the chamfered frame (1), the second arc-shaped plate (26) is fixedly mounted on the front side of the chamfered frame (1), the second connecting plate (27) is fixedly mounted on the front side of the chamfered frame (1), and the second baffle (28) is fixedly mounted on the front side of the second connecting plate (27).

5. The pulley chamfering device according to claim 1, characterized in that: The moving assembly (3) comprises a first electric push rod (29), a first L-shaped plate (30), a second electric push rod (31), a second L-shaped plate (32) and a hydraulic cylinder (33); the first electric push rod (29) is fixedly mounted on the top of the chamfering frame (1); the first L-shaped plate (30) is slidably mounted on the top of the chamfering frame (1); and the first L-shaped plate (30) is connected to the output end of the first electric push rod (29).

6. A pulley chamfering device according to claim 5, characterized in that: The second electric push rod (31) is fixedly mounted on the top of the first L-shaped plate (30), the second L-shaped plate (32) is slidably mounted on the top of the first L-shaped plate (30), the second L-shaped plate (32) is connected to the output end of the second electric push rod (31), and the hydraulic cylinder (33) is fixedly mounted on the top of the second L-shaped plate (32).

7. The pulley chamfering device according to claim 5, characterized in that: The clamping assembly (4) comprises a clamping frame (34), a rotating frame (35), a clamping plate (36), a linkage plate (37), a first circular plate (38), a second circular plate (39), a support plate (40), a third electric push rod (41), a clamping motor (42), a gear (43) and a gear ring (44); the clamping frame (34) is slidably mounted on one side of the first L-shaped plate (30); and the clamping frame (34) is connected to the output end of the hydraulic cylinder (33).

8. The pulley chamfering device according to claim 7, characterized in that: The rotating frame (35) is rotatably mounted on the rear side of the clamping frame (34), a slide groove (45) is provided on the rear side of the rotating frame (35), a circular groove (46) is provided between the rotating frame (35) and the clamping frame (34), the clamping plate (36) is slidably mounted in the slide groove (45), the linkage plate (37) is rotatably mounted on the front side of the clamping plate (36), the first circular plate (38) is rotatably mounted on the front side of the linkage plate (37), the second circular plate (39) is rotatably mounted on the front side of the first circular plate (38), and the support plate (40) is fixedly mounted. On the front side of the clamping frame (34), the third electric push rod (41) is fixedly mounted on the rear side of the support plate (40), the second circular plate (39) is connected to the output end of the third electric push rod (41), the clamping motor (42) is fixedly mounted on the rear side of the support plate (40), the gear (43) is rotatably mounted on the front side of the clamping frame (34), the gear ring (44) is rotatably mounted on the front side of the clamping frame (34), the gear (43) is connected to the output end of the clamping motor (42), and the gear ring (44) is connected to the rotating frame (35).

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