Clamping device for belt pulley machining

Abstract

The utility model relates to the technical field of processing equipment, and discloses a clamping device for belt pulley processing, which comprises a bottom plate, the upper surface of the bottom plate is rotatably provided with a rotating chassis, the surface of the rotating chassis is provided with two strip-shaped limiting grooves which are mutually symmetrical in position, the inner walls of the strip-shaped limiting grooves are rotatably connected with a bidirectional screw rod, and the bidirectional screw rod is rotatably connected with the rotating chassis. The surface of the bidirectional lead screw is in threaded connection with two movable bottom blocks, and the upper surfaces of the movable bottom blocks are fixedly connected with movable clamping plates. The two movable clamping plates are arranged on the surface of the rotating base plate, when a belt pulley is clamped, the two movable clamping plates can extend into a middle mounting hole of the belt pulley, and the two-way lead screw is used for driving the two movable clamping plates to clamp the mounting hole of the belt pulley. And meanwhile, the bottom of the belt pulley is supported through the supporting bottom block, and then the top of the belt pulley is clamped and fixed through the clamping block, so that the belt pulleys with different thicknesses are limited and fixed.

Description

Technical Field

[0001] The utility model relates to the technical field of processing equipment, and more specifically to a clamping device for processing a pulley. Background Art

[0002] Pulleys are mainly used for long-distance power transmission, such as the output of small diesel engines, agricultural vehicles, tractors, automobiles, mining machinery, mechanical processing equipment, textile machinery, packaging machinery, lathes, forging machines, etc. Belt grooves are usually required at the edge of the pulley. After the pulley is grooved, the belt groove needs to be polished using a polishing device. Therefore, a clamping device is required to clamp and fix the pulley during polishing.

[0003] For example, a pulley clamping tool with patent publication number CN218313000U includes a bottom plate, a first vertical plate and a second vertical plate are fixedly connected to the top of the bottom plate, the second vertical plate is rotatably connected to a mounting plate via a rotating shaft, an adjustment mechanism for adjusting the mounting plate to flip is provided on the first vertical plate, two symmetrically arranged support plates are slidably connected to the top of the mounting plate, and a moving mechanism for controlling the movement of the support plate is provided on the mounting plate. The utility model adjusts the angle between the two clamping plates on the support plate by using a screw rod, a double-sided toothed plate, and a circular gear, so that the device is suitable for pulleys of different diameters, thereby improving the applicability and clamping effect of the device.

[0004] The pulley clamping tool proposed in the above patent document utilizes two right-angled clamping plates, which can only clamp the outer side of the pulley. Therefore, it is impossible to grind the edge of the pulley during the clamping process, and the clamping plates of this structural shape cannot clamp and fix the upper and lower sides of the pulley at the same time, resulting in poor stability during the process of the device driving the pulley to rotate, affecting the processing quality. Utility Model Content

[0005] In order to overcome the above-mentioned defects of the prior art, the utility model provides a clamping device for pulley processing, which has the advantages of high clamping stability and strong applicability, so as to solve the problems existing in the above-mentioned background technology.

[0006] The utility model provides the following technical solutions: a clamping device for processing a pulley, comprising a bottom plate, a rotating bottom plate is rotatably provided on the upper surface of the bottom plate, two strip-shaped limit grooves symmetrically positioned are provided on the surface of the rotating bottom plate, a bidirectional screw rod is rotatably connected to the inner wall of the strip-shaped limit groove, two movable bottom blocks are threadedly connected to the surface of the bidirectional screw rod, a movable clamping plate is fixedly connected to the upper surface of the movable bottom block, a clamping assembly is provided on the surface of the movable clamping plate, two movable clamping plates can be used to extend into the middle mounting hole of the pulley, and the bidirectional screw rod is used to drive the two movable clamping plates to clamp the mounting hole of the pulley externally;

[0007] The side of the rotating chassis is provided with a mounting groove, the inner wall of the mounting groove is fixedly connected with an adjusting motor, the output shaft of the adjusting motor extends to the inside of the strip-shaped limiting groove, and is fixedly connected to one end of the bidirectional screw rod, the adjusting motor can drive the bidirectional screw rod to rotate, and then adjust the two movable clamping plates, which is suitable for clamping and limiting pulleys with different mounting aperture sizes;

[0008] The clamping assembly includes an adjusting screw rod, a rectangular adjusting hole is opened on the surface of the movable splint, the bottom end of the adjusting screw rod is rotatably connected to the inner bottom wall of the rectangular adjusting hole, and a lifting block is threadedly connected to the surface of the adjusting screw rod, and the two lifting blocks are fixedly connected with a clamping block on the side away from each other, and the two movable splints are fixedly connected with a supporting bottom block on the surface of the side away from each other, the supporting bottom block is used to support the bottom of the pulley, and the clamping block is used to clamp and fix the top of the pulley, thereby realizing the limiting and fixing of pulleys of different thicknesses.

[0009] Furthermore, the position of the supporting bottom block corresponds to the clamping block, the clamping block is located directly above the supporting bottom block, and a reinforcing triangular plate is fixedly connected to the lower surface of the supporting bottom block.

[0010] Furthermore, a non-slip rubber pad is fixedly connected to the lower surface of the clamping block, and a plurality of rubber strips are fixedly connected to the upper surface of the supporting bottom block. The anti-slip effect of the supporting bottom block on the pulley can be improved by providing the rubber strips.

[0011] Furthermore, the lifting block is slidably connected to the inner wall of the rectangular adjusting hole, and the top end of the adjusting screw rod extends to the outside of the rectangular adjusting hole and is fixedly connected with an adjusting knob.

[0012] Furthermore, a rotating motor is fixedly embedded in the upper surface of the bottom plate, a cylindrical groove is opened at the center of the lower surface of the rotating chassis, and the output shaft of the rotating motor is fixedly connected to the inner wall of the cylindrical groove.

[0013] Furthermore, two supporting rollers are fixedly connected to the lower surface of the rotating chassis, an annular sliding groove is provided on the upper surface of the bottom plate, and the supporting rollers are slidably connected to the inner wall of the annular sliding groove.

[0014] Furthermore, an adjusting box is fixedly connected to the upper surface of the base plate, a horizontal screw rod is rotatably connected to the inner wall of the adjusting box, a movable frame is threadedly connected to the surface of the horizontal screw rod, a lifting groove is opened at the top of the movable frame, a lifting connecting rod is slidably provided on the inner wall of the lifting groove, and a limiting top screw is provided on the side of the movable frame, and the height of the lifting connecting rod can be limited by the limiting top screw.

[0015] Furthermore, a mounting block is fixedly connected to the surface of the lifting connecting rod, a mounting slot is opened on the surface of the mounting block, and fixing bolts are threadedly connected to the front and rear surfaces of the mounting block. One end of the horizontal screw rod extends to the outside of the adjustment box and is fixed with an adjusting wheel. By setting the adjusting wheel, the horizontal screw rod can be driven to rotate, thereby adjusting the movement of the movable frame.

[0016] Technical effects and advantages of the utility model:

[0017] 1. The utility model provides two movable clamping plates on the surface of the rotating chassis. When clamping the pulley, the two movable clamping plates can be used to extend into the middle mounting hole of the pulley, and the two-way screw rod is used to drive the two movable clamping plates to clamp the mounting hole of the pulley from the outside. At the same time, the bottom of the pulley is supported by the supporting bottom block, and the top of the pulley is clamped and fixed by the clamping block, so as to limit and fix the pulleys of different thicknesses. The utility model has high adjustability and wide applicability, which is beneficial to improving the stability of the grinding process of the pulley.

[0018] 2. The utility model provides an adjustment box and a movable frame on the surface of the bottom plate, and the position of the movable frame can be adjusted and positioned by a horizontal screw rod, and the height of the movable frame can be adjusted. At the same time, a grinding block can be installed inside the mounting groove of the mounting block, so as to facilitate the grinding of the edges of pulleys of different sizes. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the front view structure of the utility model;

[0020] Figure 2 This is a rear view structural diagram of the utility model;

[0021] Figure 3 This is an enlarged structural diagram of the movable splint of the utility model;

[0022] Figure 4 This is a schematic diagram of the internal structure of the rotating chassis of the utility model.

[0023] The accompanying drawings are marked as follows: 1. bottom plate; 2. rotating chassis; 3. strip limit groove; 4. bidirectional screw; 5. movable bottom block; 6. movable splint; 7. adjusting motor; 8. adjusting screw; 9. rectangular adjusting hole; 10. lifting block; 11. clamping block; 12. supporting bottom block; 13. anti-slip rubber pad; 14. rubber strip; 15. adjusting knob; 16. rotating motor; 17. supporting roller; 18. annular slide groove; 19. adjusting box; 20. horizontal screw; 21. movable frame; 22. lifting connecting rod; 23. limit top screw; 24. mounting block. DETAILED DESCRIPTION

[0024] The technical solution of the present invention will be clearly and completely described below in conjunction with the drawings in the present invention. In addition, the forms of the various structures recorded in the following embodiments are merely illustrative. The clamping device for pulley processing involved in the present invention is not limited to the various structures recorded in the following embodiments. All other embodiments obtained by ordinary technicians in this field without making creative work belong to the scope of protection of the present invention.

[0025] Reference Figure 1-4 The utility model provides a clamping device for pulley processing, including a base plate 1, a rotating chassis 2 is rotatably arranged on the upper surface of the base plate 1, a rotating motor 16 is fixedly embedded on the upper surface of the base plate 1, a cylindrical groove is opened at the center of the lower surface of the rotating chassis 2, the output shaft of the rotating motor 16 is fixedly connected to the inner wall of the cylindrical groove, two supporting rollers 17 are fixedly connected to the lower surface of the rotating chassis 2, an annular groove 18 is opened on the upper surface of the base plate 1, and the supporting roller 17 is slidably connected to the inner wall of the annular groove 18.

[0026] The surface of the rotating chassis 2 is provided with two symmetrical strip-shaped limit grooves 3, the inner wall of the strip-shaped limit groove 3 is rotatably connected with a bidirectional screw rod 4, the surface of the bidirectional screw rod 4 is threadedly connected with two movable bottom blocks 5, the upper surface of the movable bottom block 5 is fixedly connected with a movable splint 6, and the surface of the movable splint 6 is provided with a clamping component;

[0027] A mounting groove is provided on the side of the rotating chassis 2, and an adjusting motor 7 is fixedly connected to the inner wall of the mounting groove. The output shaft of the adjusting motor 7 extends to the inside of the strip-shaped limiting groove 3 and is fixedly connected to one end of the bidirectional screw rod 4;

[0028] The clamping assembly includes an adjusting screw rod 8, a rectangular adjusting hole 9 is opened on the surface of the movable clamp plate 6, the top end of the adjusting screw rod 8 extends to the outside of the rectangular adjusting hole 9, and is fixedly connected with an adjusting knob 15.

[0029] The bottom end of the adjusting screw rod 8 is rotatably connected to the inner bottom wall of the rectangular adjusting hole 9, and the surface of the adjusting screw rod 8 is threadedly connected with a lifting block 10, and the lifting block 10 is slidably connected to the inner wall of the rectangular adjusting hole 9. The two lifting blocks 10 are fixedly connected with a clamping block 11 on the side away from each other, and the two movable splints 6 are fixedly connected with a supporting bottom block 12 on the surface on the side away from each other.

[0030] The position of the supporting bottom block 12 corresponds to the clamping block 11. The clamping block 11 is located directly above the supporting bottom block 12. The lower surface of the supporting bottom block 12 is fixedly connected with a reinforcing triangle plate. The lower surface of the clamping block 11 is fixedly connected with an anti-slip rubber pad 13. The upper surface of the supporting bottom block 12 is fixedly connected with several rubber strips 14.

[0031] When clamping the pulley, first extend the two movable clamps 6 into the middle mounting hole of the pulley, use the adjusting motor 7 to drive the bidirectional screw 4 to rotate, and then drive the two movable bottom blocks 5 to move, and at the same time drive the two movable clamps 6 to clamp the mounting hole of the pulley from the outside, and use the supporting bottom block 12 to support the bottom of the pulley, and then drive the adjusting screw 8 to rotate by turning the adjusting knob 15, and the adjusting screw 8 drives the clamping block 11 on the surface of the lifting block 10 to clamp and fix the top of the pulley, thereby realizing the limiting and fixing of pulleys of different thicknesses, which is beneficial to improving the stability of the grinding process of the pulley.

[0032] An adjusting box 19 is fixedly connected to the upper surface of the base plate 1, and a horizontal screw rod 20 is rotatably connected to the inner wall of the adjusting box 19. A movable frame 21 is threadedly connected to the surface of the horizontal screw rod 20. A lifting groove is provided at the top of the movable frame 21, and a lifting connecting rod 22 is slidably provided on the inner wall of the lifting groove. A limiting top screw 23 is provided on the side of the movable frame 21.

[0033] The surface of the lifting connecting rod 22 is fixedly connected with a mounting block 24, the surface of the mounting block 24 is provided with a mounting slot, and the front and rear surfaces of the mounting block 24 are both threadedly connected with fixing bolts. One end of the horizontal screw rod 20 extends to the outside of the adjustment box 19 and is fixed with an adjustment wheel.

[0034] It is worth mentioning that, by arranging an adjustment box 19 on the surface of the base plate 1, when grinding the edge of the pulley, the movable frame 21 can be driven to move inside the adjusting box 19 by rotating the horizontal screw rod 20, and then the grinding block is installed in the mounting groove of the mounting block 24, and the grinding block is tightened and limited by the fixing bolts, and then the rotating motor 16 is started to drive the rotating chassis 2 to rotate, so as to facilitate the grinding of the edges of pulleys of different sizes.

[0035] Finally, it should be noted that the drawings of the embodiments disclosed in the present utility model only involve structures related to the embodiments disclosed in the present utility model. The above description is only a preferred embodiment of the present utility model and is not used to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A clamping device for pulley processing, comprising a base plate (1), characterized in that: A rotating chassis (2) is rotatably provided on the upper surface of the bottom plate (1), two strip-shaped limit grooves (3) symmetrically positioned to each other are provided on the surface of the rotating chassis (2), a bidirectional screw rod (4) is rotatably connected to the inner wall of the strip-shaped limit groove (3), two movable bottom blocks (5) are threadedly connected to the surface of the bidirectional screw rod (4), a movable clamping plate (6) is fixedly connected to the upper surface of the movable bottom block (5), and a clamping assembly is provided on the surface of the movable clamping plate (6); A mounting groove is provided on the side of the rotating chassis (2), an adjusting motor (7) is fixedly connected to the inner wall of the mounting groove, an output shaft of the adjusting motor (7) extends into the interior of the strip-shaped limiting groove (3) and is fixedly connected to one end of the bidirectional screw rod (4); The clamping assembly comprises an adjusting screw (8), a rectangular adjusting hole (9) is provided on the surface of the movable clamping plate (6), the bottom end of the adjusting screw (8) is rotatably connected to the inner bottom wall of the rectangular adjusting hole (9), and a lifting block (10) is threadedly connected to the surface of the adjusting screw (8), the two lifting blocks (10) are fixedly connected to a clamping block (11) on the side away from each other, and the two movable clamping plates (6) are fixedly connected to a supporting bottom block (12) on the side away from each other.

2. A pulley processing clamping device according to claim 1, characterized in that: The position of the supporting bottom block (12) corresponds to the clamping block (11), the clamping block (11) is located directly above the supporting bottom block (12), and a reinforcing triangular plate is fixedly connected to the lower surface of the supporting bottom block (12).

3. A pulley processing clamping device according to claim 2, characterized in that: The lower surface of the clamping block (11) is fixedly connected with an anti-slip rubber pad (13), and the upper surface of the supporting bottom block (12) is fixedly connected with a plurality of rubber strips (14).

4. A clamping device for pulley processing according to claim 3, characterized in that: The lifting block (10) is slidably connected to the inner wall of the rectangular adjustment hole (9), and the top end of the adjustment screw rod (8) extends to the outside of the rectangular adjustment hole (9) and is fixedly connected with an adjustment knob (15).

5. A clamping device for pulley processing according to claim 4, characterized in that: A rotating motor (16) is fixedly embedded on the upper surface of the base plate (1), a cylindrical groove is provided at the center of the lower surface of the rotating chassis (2), and an output shaft of the rotating motor (16) is fixedly connected to the inner wall of the cylindrical groove.

6. A pulley processing clamping device according to claim 5, characterized in that: Two supporting rollers (17) are fixedly connected to the lower surface of the rotating chassis (2), an annular sliding groove (18) is provided on the upper surface of the bottom plate (1), and the supporting rollers (17) are slidably connected to the inner wall of the annular sliding groove (18).

7. A pulley processing clamping device according to claim 6, characterized in that: The upper surface of the bottom plate (1) is fixedly connected to an adjustment box (19), the inner wall of the adjustment box (19) is rotatably connected to a horizontal screw rod (20), the surface of the horizontal screw rod (20) is threadedly connected to a moving frame (21), a lifting groove is provided at the top of the moving frame (21), a lifting connecting rod (22) is slidably provided on the inner wall of the lifting groove, and a limiting top screw (23) is provided on the side of the moving frame (21).

8. A pulley processing clamping device according to claim 7, characterized in that: The surface of the lifting connecting rod (22) is fixedly connected with a mounting block (24), the surface of the mounting block (24) is provided with a mounting slot, and the front and rear surfaces of the mounting block (24) are both threadedly connected with fixing bolts, and one end of the horizontal screw rod (20) extends to the outside of the adjustment box (19) and is fixed with an adjustment wheel.

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