Clamping transmission device for finish machining of positioning bolt

Abstract

The utility model relates to the technical field of machining, in particular to a clamping transmission device for finish machining of a positioning bolt, which comprises a base, a lifting plate arranged at the top of the base, a sliding groove formed in the top of the lifting plate, a sliding block arranged in the sliding groove, a rotating motor fixedly connected to the outer wall of the sliding block, and a driving bevel gear fixedly connected to the output end of the rotating motor. The bottom of the inner wall of the sliding block is movably connected with a rotating shaft, the outer wall of the rotating shaft is fixedly connected with a driven bevel gear, the end, penetrating through the sliding block, of the rotating shaft is fixedly connected with a rotating seat, the top of the rotating seat is fixedly connected with a sleeve, and the outer walls of the two ends of the sleeve are each provided with a telescopic groove. Spring grooves are formed in the two ends of the inner wall of the sleeve, and lantern rings are in threaded connection with the outer walls of the two ends of the sleeve. The fixture meets the machining requirements of various workpieces with different specifications, the workpieces are convenient to fix, the operation is simple, time and labor are saved, and the machining efficiency is high.

Description

Technical Field

[0001] The utility model relates to the field of mechanical processing, in particular to a clamping transmission device for fine processing of positioning pins. Background Art

[0002] Positioning pin workpieces are often produced by cutting. After the workpiece cutting process is completed, there are some defects on the workpiece surface. In order to ensure the subsequent normal assembly of the workpiece, the workpiece will be polished.

[0003] In the existing device, before grinding the workpiece, the workpiece needs to be clamped and fixed before the subsequent grinding operation is carried out. When clamping the workpiece, two clamping plates located in the upper and lower or left and right positions are often clamped and fixed by bolts, and then the subsequent grinding operation is carried out. The clamping and fixing process is relatively cumbersome and inconvenient to operate. Utility Model Content

[0004] The purpose of the utility model is to solve the shortcomings of the prior art and to propose a clamping transmission device for fine machining of positioning pins.

[0005] The cam is provided with a toothed structure, and the toothed structure is provided with a plurality of toothed structures, and the toothed structure is provided with a plurality of toothed structures.

[0006] As a further description of the above technical solution:

[0007] The driving bevel gear is located inside the slider, the outer wall of the driving bevel gear is meshed with the outer wall of the driven bevel gear, the rotating shaft passes through the top of the slider, the rotating seat is located at the top of the slider, the outer wall of one end of the telescopic plate located outside the sleeve is arc-shaped, and the inner walls of multiple splints are triangular.

[0008] As a further description of the above technical solution:

[0009] The inner wall of one side of the base is movably connected to a lifting screw, and the other end of the lifting screw is fixedly connected to a knob, and the knob is located on the outside of the base, and the outer walls of both ends of the lifting screw are threadedly connected to a movable plate, and the tops of the two movable plates are provided with a rotating groove, and there are two rotating grooves respectively. The inside of the rotating groove is movably connected to a connecting rod, and the outer walls on both sides of the other end of the connecting rod are movably connected to rollers, and a connecting pin is provided in the middle of the two adjacent connecting rods, and a positioning groove is provided at the bottom of the lifting plate, and there are multiple positioning grooves, and roller grooves are provided on both sides of the inner walls of the multiple positioning grooves, and the rollers are located inside the roller grooves.

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

[0011] The outer wall of the lifting plate is fixedly connected to a displacement motor, the output end of the displacement motor is fixedly connected to a displacement screw rod, and the outer wall of the displacement screw rod is threadedly connected to the inner wall of the sliding block.

[0012] As a further description of the above technical solution:

[0013] The outer walls on both sides of the lifting plate are provided with limiting blocks, and there are two limiting blocks on each side. The top two ends of the base are fixedly connected with baffles, and the inside of the baffle is provided with limiting grooves, and there are two limiting grooves. The limiting blocks are located inside the limiting grooves.

[0014] As a further description of the above technical solution:

[0015] A hollow groove is provided inside the baffle on the right side, and the displacement motor is located inside the hollow groove.

[0016] The utility model has the following beneficial effects:

[0017] 1. When clamping and fixing the workpiece, one end of the workpiece is placed inside the multiple clamps of the same group, and then the collar is rotated to make the collar approach the multiple telescopic plates on the same side. When the collar moves, the inner wall of the end with the increased inner diameter squeezes the multiple telescopic plates, so that the telescopic plates and the clamps connected thereto move toward the center position of the sleeve, so that the multiple clamps work together to clamp and fix the workpiece. At this time, the multiple springs are in a stretched state. After the workpiece is polished, the collar is rotated in the opposite direction, the collar returns to its position, and is separated from the telescopic plate. Then the multiple springs rebound, so that the multiple telescopic plates and the clamps connected thereto return to their positions, and the workpiece can be taken out. It meets the processing needs of workpieces of various specifications, is convenient for workpiece fixing, simple to operate, saves time and effort, and has high processing efficiency.

[0018] 2. Turn the knob to drive the lifting screw to rotate, so that the two movable plates move relative to each other, and respectively drive the bottom of the connecting rod connected to them to move, so that the two sets of connecting rods move in a cross shape, and the rollers connected to the outer walls on both sides of the top of the two sets of connecting rods move along the roller grooves to achieve scissor-like movement, thereby realizing the lifting and lowering of the lifting plate. It can adjust the height of grinding equipment at different heights, which improves the applicability of the device. When the horizontal position of the workpiece needs to be adjusted, the displacement motor drives the displacement screw to rotate, so that the slider can move to the horizontal position. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the overall structure from a first perspective of a clamping transmission device for fine machining of a positioning pin proposed by the present invention;

[0020] Figure 2 This is a second-view overall structural diagram of a clamping transmission device for fine machining of a positioning pin proposed by the present invention;

[0021] Figure 3 This is a schematic diagram of the sleeve structure of a clamping transmission device for positioning pin finishing proposed by the utility model;

[0022] Figure 4 This is a schematic diagram of the internal structure of a clamping transmission device for positioning pin finishing proposed by the present invention;

[0023] Figure 5 This is a schematic structural diagram of a driving bevel gear and a driven bevel gear of a clamping transmission device for positioning pin finishing proposed by the present invention;

[0024] Figure 6 This is a schematic diagram of the baffle structure of a clamping transmission device for positioning pin finishing proposed by the present invention;

[0025] Figure 7 This is a schematic diagram of the displacement screw structure of a clamping transmission device for positioning pin finishing proposed by the present invention;

[0026] Figure 8 This is a schematic diagram of the mobile version of a clamping transmission device for positioning pin finishing proposed by the present invention;

[0027] Figure 9 This is a schematic diagram of the bottom structure of a lifting plate of a clamping transmission device for fine machining of positioning pins proposed by the utility model.

[0028] Legend:

[0029] 1. Base; 2. Lifting plate; 3. Slide; 4. Slider; 5. Rotating motor; 6. Driving bevel gear; 7. Rotating shaft; 8. Driven bevel gear; 9. Rotating seat; 10. Sleeve; 11. Telescopic slot; 12. Telescopic plate; 13. Clamp; 14. Spring; 15. Spring slot; 16. Ring; 17. Lifting screw; 18. Knob; 19. Moving plate; 20. Rotating slot; 21. Connecting rod; 22. Roller; 23. Connecting pin; 24. Positioning slot; 25. Roller slot; 26. Displacement motor; 27. Displacement screw; 28. Limit block; 29. ​​Baffle; 30. Limit slot; 31. Hollow slot. DETAILED DESCRIPTION

[0030] Reference Figure 1-9 The utility model provides a clamping transmission device for fine machining of positioning pins: 1. It includes a base 1, a lifting plate 2 is provided on the top of the base 1, a slide groove 3 is provided on the top of the lifting plate 2, a slider 4 is provided inside the slide groove 3, the outer wall of the slider 4 is fixedly connected to a rotating motor 5, the output end of the rotating motor 5 is fixedly connected to a driving bevel gear 6, the bottom of the inner wall of the slider 4 is movably connected to a rotating shaft 7, the outer wall of the rotating shaft 7 is fixedly connected to a driven bevel gear 8, one end of the rotating shaft 7 passing through the slider 4 is fixedly connected to a rotating seat 9, the top of the rotating seat 9 is fixedly connected to a sleeve 10, and the outer walls of both ends of the sleeve 10 are provided with telescopic grooves 11, and the number of telescopic grooves 11 is multiple, and the interiors of the multiple telescopic grooves 11 are A telescopic plate 12 is provided, one end of the telescopic plate 12 is fixedly connected to a splint 13, the outer wall of the splint 13 is fixedly connected to a spring 14, and there are multiple springs 14. Spring grooves 15 are provided at both ends of the inner wall of the sleeve 10, and there are multiple spring grooves 15. The other end of the spring 14 is fixedly connected to the inner wall of the spring groove 15, and the outer walls of both ends of the sleeve 10 are threadedly connected with a collar 16. The driving bevel gear 6 is located inside the slider 4, and the outer wall of the driving bevel gear 6 is meshed with the outer wall of the driven bevel gear 8. The rotating shaft 7 passes through the top of the slider 4, and the rotating seat 9 is located at the top of the slider 4. The outer wall of the telescopic plate 12 at one end outside the sleeve 10 is arc-shaped, and the inner walls of the multiple splints 13 are triangular.

[0031] When clamping and fixing the workpiece, one end of the workpiece is placed inside the multiple clamps 13 of the same group, and then the ring 16 is rotated to make the ring 16 approach the multiple telescopic plates 12 on the same side. When the ring 16 moves, the inner wall of the end with the increased inner diameter squeezes the multiple telescopic plates 12, so that the telescopic plates 12 and the clamps 13 connected thereto move toward the center position of the sleeve 10, so that the multiple clamps 13 work together to clamp and fix the workpiece. At this time, the multiple springs 14 are in a stretched state. After the workpiece is polished, the ring 16 is rotated in the opposite direction, the ring 16 returns to its position, and is separated from the telescopic plate 12. Then the multiple springs 14 rebound, so that the multiple telescopic plates 12 and the clamps 13 connected thereto return to their position, and the workpiece can be taken out, which meets the processing needs of workpieces of various specifications. The workpiece is easy to fix, the operation is simple, time-saving and labor-saving, and the processing efficiency is high.

[0032] A lifting screw 17 is movably connected to the inner wall of one side of the base 1, and a knob 18 is fixedly connected to the other end of the lifting screw 17, and the knob 18 is located on the outside of the base 1. The outer walls of both ends of the lifting screw 17 are threadedly connected to a movable plate 19, and a rotating groove 20 is provided on the top of the two movable plates 19, and there are two rotating grooves 20 respectively. A connecting rod 21 is movably connected to the inside of the rotating groove 20, and the outer walls on both sides of the other end of the connecting rod 21 are movably connected to rollers 22, and a connecting pin 23 is provided in the middle of the two adjacent connecting rods 21. A positioning groove 24 is provided at the bottom of the lifting plate 2, and there are multiple positioning grooves 24. Roller grooves 25 are provided on both sides of the inner walls of the multiple positioning grooves 24, and the rollers 22 are located inside the roller grooves 25.

[0033] Turning the knob 18 drives the lifting screw 17 to rotate, causing the two movable plates 19 to move relative to each other, respectively driving the bottom of the connecting rod 21 connected thereto to move, so that the two groups of connecting rods 21 move in a cross shape, and the rollers 22 connected to the outer walls on both sides of the top of the two groups of connecting rods 21 move along the roller grooves 25 to achieve scissor-like movement, thereby realizing the lifting and lowering of the lifting plate 2, which can adjust the height of grinding equipment at different heights, thereby improving the applicability of the device.

[0034] The outer wall of the lifting plate 2 is fixedly connected to a displacement motor 26 , the output end of the displacement motor 26 is fixedly connected to a displacement screw rod 27 , and the outer wall of the displacement screw rod 27 is threadedly connected to the inner wall of the slider 4 .

[0035] When the horizontal position of the workpiece needs to be adjusted, the displacement motor 26 is operated to drive the displacement screw 27 to rotate, so that the slider 4 can move to the horizontal position.

[0036] Limit blocks 28 are provided on the outer walls of both sides of the lifting plate 2, and there are two limit blocks 28 on each side. Baffles 29 are fixedly connected to both ends of the top of the base 1. Limit slots 30 are provided inside the baffles 29, and there are two limit slots 30 on each side. The limit blocks 28 are located inside the limit slots 30, making the lifting process of the lifting plate 2 smoother. A hollow slot 31 is provided inside the right baffle 29, and the displacement motor 26 is located inside the hollow slot 31.

[0037] Working principle: Before use, turn the knob 18 to drive the lifting screw 17 to rotate, so that the two movable plates 19 move relative to each other, and respectively drive the bottom of the connecting rod 21 connected thereto to move, so that the two sets of connecting rods 21 move in a cross shape, and the rollers 22 connected to the outer walls on both sides of the top of the two sets of connecting rods 21 move along the roller groove 25 to achieve scissor-like movement, thereby achieving the lifting and lowering of the lifting plate 2, which can be adjusted in height for grinding equipment of different heights, and then put one end of the workpiece into the interior of the same group of multiple splints 13, and then rotate the collar 16 to make the collar 16 approach the multiple telescopic plates 12 on the same side. When the collar 16 moves, the inner wall of the end with the increased inner diameter squeezes the multiple telescopic plates 1 2. Move the telescopic plate 12 and the splint 13 connected thereto toward the center position of the sleeve 10, so that the multiple splints 13 work together to clamp the workpiece. At this time, the multiple springs 14 are in a stretched state. After the workpiece is polished, the collar 16 is rotated in the opposite direction, the collar 16 returns to its position, and is separated from the telescopic plate 12. Then the multiple springs 14 rebound, so that the multiple telescopic plates 12 and the splints 13 connected thereto return to their positions, and the workpiece can be taken out, which meets the processing needs of workpieces of various specifications. The workpiece is easy to fix, the operation is simple, time-saving and labor-saving, and the processing efficiency is high. Then the displacement motor 26 runs to drive the displacement screw 27 to rotate, so that the slider 4 can move to the horizontal position.

[0038] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent replacements for some of the technical features therein. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A clamping and transmission device for finishing a positioning pin, comprising a base (1), characterized in that: A lifting plate (2) is provided on the top of the base (1), a slide groove (3) is provided on the top of the lifting plate (2), a slider (4) is provided inside the slide groove (3), the outer wall of the slider (4) is fixedly connected to a rotating motor (5), the output end of the rotating motor (5) is fixedly connected to a driving bevel gear (6), the bottom of the inner wall of the slider (4) is movably connected to a rotating shaft (7), the outer wall of the rotating shaft (7) is fixedly connected to a driven bevel gear (8), one end of the rotating shaft (7) passing through the slider (4) is fixedly connected to a rotating seat (9), the top of the rotating seat (9) is fixedly connected to a sleeve (10), the sleeve (1 0) are provided with telescopic grooves (11) on the outer walls at both ends, and the number of the telescopic grooves (11) is multiple, and a telescopic plate (12) is provided inside the multiple telescopic grooves (11), one end of the telescopic plate (12) is fixedly connected to a clamping plate (13), and the outer wall of the clamping plate (13) is fixedly connected to a spring (14), and the number of the springs (14) is multiple, and spring grooves (15) are provided at both ends of the inner wall of the sleeve (10), and the number of the spring grooves (15) is multiple, and the other end of the spring (14) is fixedly connected to the inner wall of the spring groove (15), and the outer walls at both ends of the sleeve (10) are threadedly connected to a ring (16).

2. A clamping and transmission device for finishing positioning pins according to claim 1, characterized in that: The driving bevel gear (6) is located inside the slider (4), the outer wall of the driving bevel gear (6) is meshed with the outer wall of the driven bevel gear (8), the rotating shaft (7) passes through the top of the slider (4), the rotating seat (9) is located at the top of the slider (4), the outer wall of one end of the telescopic plate (12) located outside the sleeve (10) is arc-shaped, and the inner walls of the plurality of clamping plates (13) are all triangular.

3. The clamping and transmission device for finishing the positioning pin according to claim 1, characterized in that: The inner wall of one side of the base (1) is movably connected to a lifting screw (17), the other end of the lifting screw (17) is fixedly connected to a knob (18), and the knob (18) is located outside the base (1), and the outer walls of both ends of the lifting screw (17) are threadedly connected to a movable plate (19), and the tops of the two movable plates (19) are each provided with a rotation groove (20), and the number of the rotation grooves (20) is two, and the inside of the rotation groove (20) is movably connected to a connecting rod (21), and the outer walls on both sides of the other end of the connecting rod (21) are both movably connected to a roller (22), and a connecting pin (23) is provided in the middle of two adjacent connecting rods (21), and a positioning groove (24) is provided at the bottom of the lifting plate (2), and the number of the positioning grooves (24) is multiple, and roller grooves (25) are provided on both sides of the inner walls of the multiple positioning grooves (24), and the roller (22) is located inside the roller groove (25).

4. The clamping and transmission device for finishing the positioning pin according to claim 1, characterized in that: The outer wall of the lifting plate (2) is fixedly connected to a displacement motor (26), the output end of the displacement motor (26) is fixedly connected to a displacement screw rod (27), and the outer wall of the displacement screw rod (27) is threadedly connected to the inner wall of the slider (4).

5. A clamping and transmission device for finishing positioning pins according to claim 4, characterized in that: The outer walls of both sides of the lifting plate (2) are provided with limiting blocks (28), and the number of the limiting blocks (28) is two. The top ends of the base (1) are fixedly connected with baffles (29). The inside of the baffles (29) is provided with limiting grooves (30), and the number of the limiting grooves (30) is two. The limiting blocks (28) are located inside the limiting grooves (30).

6. A clamping and transmission device for finishing positioning pins according to claim 5, characterized in that: A hollow groove (31) is provided inside the baffle (29) on the right side, and the displacement motor (26) is located inside the hollow groove (31).

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