Clamping servo rotating mechanism

By combining a clamping drive motor with a gripper design featuring forward and reverse threaded screws, the system enables workpiece clamping and arbitrary circumferential rotation, solving the adaptability and efficiency issues of traditional clamping servo rotation mechanisms and improving the adaptability and precision of the production line.

CN223572607UActive Publication Date: 2025-11-21SHANGHAI DINGDECHENG INTELLIGENT EQUIPMENT CO LTD
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Patent Information

Application Number
CN202423263309.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-30
Publication Date
2025-11-21
Estimated Expiration
2034-12-30

AI Technical Summary

Technical Problem

Traditional clamping servo rotary mechanisms cannot achieve arbitrary circumferential rotation of workpieces and are difficult to adapt to the production needs of products with different specifications, and fixture replacement is cumbersome.

Method used

It adopts a clamping drive motor and a combination of positive and negative threaded screws and grippers. Through the cooperation of the first powered gripper, the second powered gripper and the unpowered gripper, it can clamp the workpiece and rotate it at any angle in the circumferential direction, so as to meet the production needs of products with different specifications.

Benefits of technology

It improves clamping stability and production line adaptability and efficiency during the production process, reduces defects caused by improper clamping, and enhances the flexibility and precision of the production line.

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Abstract

The utility model relates to the field of clamping rotating mechanisms, and discloses a clamping servo rotating mechanism which comprises a fixing rack, an installation plate is fixedly connected to the outer wall of the rear end of the fixing rack, a clamping driving motor is fixedly connected to one side of the outer wall of the front end of the installation plate, and a lead screw fixing side screw seat is fixedly connected to the inner wall of the rear end of the fixing rack. The inner wall of the front end of the fixed rack is fixedly connected with a lead screw supporting side nut seat, and the interiors of the lead screw supporting side nut seat and the lead screw fixing side screw seat are rotationally connected with a positive and negative thread lead screw. According to the clamping mechanism, the workpiece can be clamped by the first powered clamping jaw, the second powered clamping jaw, the first unpowered clamping jaw and the second unpowered clamping jaw through the clamping driving motor and the positive and negative thread lead screw after the proper clamp is installed, and through the mechanism, the clamping stability in the production process can be improved, and the clamping efficiency is improved. Defects caused by improper clamping are reduced, and production requirements of products of different specifications can be easily met.
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Description

TECHNICAL FIELD

[0001] The utility model relates to clamping rotary mechanism field especially relates to a clamping servo rotary mechanism. BACKGROUND

[0002] The clamping rotary mechanism is a kind of mechanical device that combines rotation and clamping function together, usually used in the occasion needing to clamp or fix workpiece in the rotation process, and the clamping servo rotary mechanism is a kind of mechanical device that accurately controls rotation angle and provides clamping force in the rotation process, and this kind of mechanism is widely applied in automation, robot, machining center, testing equipment and other fields, and the clamping servo rotary mechanism is usually integrated with clamping function on existing rotary mechanical system, can complete clamping, fixing and rotation in the same movement, greatly improves the efficiency and precision of automated production.

[0003] The traditional clamping servo rotary mechanism cannot completely rotate workpiece in circumferential direction at arbitrary angle, secondly, the traditional clamping servo rotary mechanism cannot effectively adapt to various specifications of product, especially in the case where product shape, size or other characteristics change greatly, and the replacement of fixture between different products is also more complicated.

[0004] Therefore, the technical personnel in the prior art provide a kind of clamping servo rotary mechanism to solve the problems raised in the above background art. CONTENT OF UTILITY MODEL

[0005] The utility model aims at solving the shortcomings in the prior art, and provides a kind of clamping servo rotary mechanism, by installing suitable fixture, then through clamping drive motor and positive and negative screw rod, first powered jaw and second powered jaw and first unpowered jaw and second unpowered jaw can clamp workpiece, through the mechanism, not only can improve the clamping stability in production process, reduce the defect caused by improper clamping, but also can easily cope with the production demand of different specifications of product, greatly improve the adaptability and production efficiency of production line.

[0006] To achieve the above object, the utility model provides the following technical scheme:

[0007] The utility model provides a clamping servo rotation mechanism, including fixed frame, the rear end outer wall of fixed frame is fixedly connected with the mounting plate, one side of mounting plate front end outer wall is fixedly connected with clamping drive motor, the rear end inner wall of fixed frame is fixedly connected with screw rod fixed side screw seat, the front end inner wall of fixed frame is fixedly connected with screw rod support side nut seat, the inside rotation of screw rod support side nut seat and screw rod fixed side screw seat is connected with positive and negative screw rod, both sides of fixed frame upper surface are fixedly connected with linear guide rail, the rear end of linear guide rail outer wall is connected with first sliding block, the upper surface of first sliding block is fixedly connected with first fixed plate, the upper surface of first fixed plate is fixedly connected with no power clamp mounting frame, the inside of no power clamp mounting frame is provided with no power rotary shaft, the front end outer wall of no power rotary shaft is fixedly connected with second jaw plate, one side of second jaw plate rear end outer wall is provided with bolt cylinder,

[0008] The utility model discloses a clamping servo rotation mechanism, including fixed frame, the rear end outer wall of fixed frame is fixedly connected with the mounting plate, one side of mounting plate front end outer wall is fixedly connected with clamping drive motor, the rear end inner wall of fixed frame is fixedly connected with screw rod fixed side screw seat, the front end inner wall of fixed frame is fixedly connected with screw rod support side nut seat, the inside rotation of screw rod support side nut seat and screw rod fixed side screw seat is connected with positive and negative screw rod, both sides of fixed frame upper surface are fixedly connected with linear guide rail, the rear end of linear guide rail outer wall is connected with first sliding block, the upper surface of first sliding block is fixedly connected with first fixed plate, the upper surface of first fixed plate is fixedly connected with no power clamp mounting frame, the inside of no power clamp mounting frame is provided with no power rotary shaft, the front end outer wall of no power rotary shaft is fixedly connected with second jaw plate, one side of second jaw plate rear end outer wall is provided with bolt cylinder,

[0009] Through the above technical scheme, by installing suitable clamp, then through clamping drive motor and positive and negative screw rod, the first powered jaw and the second powered jaw and the first unpowered jaw and the second unpowered jaw can clamp the workpiece, through the mechanism, not only can improve the clamping stability in the production process, reduce the defects caused by improper clamping, but also can easily cope with the production demand of different specifications of products, greatly improve the adaptability and production efficiency of production line.

[0010] Further, the edge of the rear end outer wall of the mounting plate is fixedly connected with a clamping mechanism cover, the output end of the clamping drive motor is fixedly connected with a clamping main gear, the outer wall of the clamping main gear is rotatably connected with a clamping belt, one end of the clamping belt away from the clamping main gear is rotatably connected with a clamping secondary gear, the clamping secondary gear, the clamping belt and the clamping main gear are arranged in the inside of the clamping mechanism cover, and the clamping secondary gear is fixedly connected with the positive and negative screw rod.

[0011] Through the technical scheme, the power side rotating shaft is rotated through the rotation of the rotating driving motor, the first shift fork and the second shift fork are matched, and the synchronous rotation of the non-power rotating shaft can rotate and stop the workpiece at any angle in the circumferential direction, so that the staff can observe the clamping state of the mechanism and the overall situation of the workpiece, and the flexibility, efficiency and precision of the production line can be effectively improved.

[0012] Further, the outer wall of the lead screw near the middle part is provided with a second limiting block at the front end and a first limiting block at the rear end.

[0013] Through the technical scheme, the second limiting block and the first limiting block can limit the movement distance of the mechanism.

[0014] Further, the outer wall of the rotating mechanism fixing plate is fixedly connected with a clamp rotating mechanism protection cover at the edge of the front end, one side of the outer wall of the rear end of the rotating mechanism fixing plate is rotatably connected with a rotating secondary gear, the outer wall of the rotating secondary gear is rotatably connected with a rotating belt, one side of the rotating belt away from the rotating secondary gear is rotatably connected with a rotating primary gear, the rotating primary gear is fixedly connected to the output end of the rotating driving motor, and the rotating primary gear, the rotating belt and the rotating secondary gear are arranged in the clamp rotating mechanism protection cover.

[0015] Through the technical scheme, the rotating mechanism can be rotated through the rotating primary gear, the rotating belt, the rotating secondary gear and the rotating driving motor.

[0016] Further, the outer wall of the first non-power clamp jaw is fixedly connected with a first shift fork away from the second non-power clamp jaw, the outer wall of the second power clamp jaw is fixedly connected with a second shift fork away from the first power clamp jaw, and the first shift fork and the second shift fork are aligned.

[0017] Through the technical scheme, the rotating mechanism as a whole can be rotated through the alignment of the first shift fork and the second shift fork.

[0018] Further, the power side rotating shaft is fixedly connected with the rotating secondary gear, and the first sliding block and the second sliding block slide on the outer wall of the linear guide rail.

[0019] Through the technical scheme, the non-power clamp mounting frame and the power clamp mounting frame can be moved through the sliding of the first sliding block and the second sliding block on the outer wall of the linear guide rail.

[0020] Further, the non-power rotating shaft is rotatably connected with the non-power clamp mounting frame, and the power side rotating shaft is rotatably connected with the power clamp mounting frame.

[0021] Through the technical scheme, the workpiece can be rotated through the rotatable connection of the non-power rotating shaft with the non-power clamp mounting frame and the rotatable connection of the power side rotating shaft with the power clamp mounting frame.

[0022] The utility model has the advantages of the following:

[0023] 1. The clamping servo rotating mechanism provided by the utility model can clamp workpieces by the first powered clamping jaw and the second powered clamping jaw and the first unpowered clamping jaw and the second unpowered clamping jaw through the installation of appropriate clamps and the clamping of the driving motor and the lead screw, can improve the clamping stability in the production process, reduce defects caused by improper clamping, can easily cope with the production needs of products of different specifications, and greatly improve the adaptability and production efficiency of the production line.

[0024] 2. The clamping servo rotating mechanism provided by the utility model can rotate the power side rotating shaft through the rotation of the rotating driving motor, and can rotate and stop the workpiece in the circumferential direction at any angle through the cooperation of the first yoke and the second yoke and the synchronous rotation of the unpowered rotating shaft, can enable the staff to observe the state of clamping the workpiece and the overall situation of the workpiece, and can effectively improve the flexibility, efficiency and precision of the production line. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 The utility model provides a clamping servo rotating mechanism's axonometric drawing;

[0026] Figure 2 The utility model provides a clamping servo rotating mechanism's structural schematic diagram;

[0027] Figure 3 The utility model provides a clamping servo rotating mechanism's axonometric drawing of mounting bracket;

[0028] Figure 4 The utility model provides a clamping servo rotating mechanism's structural schematic diagram of mounting bracket;

[0029] Figure 5 The utility model provides a clamping servo rotating mechanism's structural schematic diagram of fixed rack.

[0030] LEGEND:

[0031] 1, fixed rack; 2, the first fixed plate; 3, the powerless clamp mounting frame; 4, the bolt cylinder; 5, the first powerless clamp jaw; 6, the first powered clamp jaw; 7, the clamp rotating mechanism protective cover; 8, the rotating drive motor; 9, the powered clamp mounting frame; 10, the screw rod supporting side nut seat; 11, the second fixed plate; 12, the linear guide rail; 13, the right and left screw rod; 14, the second powered clamp jaw; 15, the second powerless clamp jaw; 16, the powerless rotating shaft; 17, the clamping mechanism protective cover; 18, the first sliding block; 19, the first shift fork; 20, the rotating main gear; 21, the first limit block; 22, the screw rod fixed side screw seat; 23, the second sliding block; 24, the second shift fork; 25, the power side rotating shaft; 26, the first clamp jaw plate; 27, the second clamp jaw plate; 28, the mounting plate; 29, the second limit block; 30, the clamping auxiliary gear; 31, the clamping drive motor; 32, the rotating mechanism fixed plate; 33, the rotating belt; 34, the rotating auxiliary gear; 35, the clamping belt; 36, the clamping main gear. DETAILED DESCRIPTION

[0032] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0033] One embodiment provided by the utility model:

[0034] Referring to Figure 1 , Figure 3 and Figure 5 , a clamping servo rotating mechanism, including fixed rack 1, the rear end outer wall of fixed rack 1 is fixedly connected with mounting plate 28, the side of the front end outer wall of mounting plate 28 is fixedly connected with clamping drive motor 31, the rear end inner wall of fixed rack 1 is fixedly connected with screw rod fixed side screw seat 22, the front end inner wall of fixed rack 1 is fixedly connected with screw rod supporting side nut seat 10, the inside of screw rod supporting side nut seat 10 and screw rod fixed side screw seat 22 is rotationally connected with right and left screw rod 13, the both sides of the upper surface of fixed rack 1 are fixedly connected with linear guide rail 12, the rear end of the outer wall of linear guide rail 12 is slidably connected with first sliding block 18, the upper surface of first sliding block 18 is fixedly connected with first fixed plate 2, the upper surface of first fixed plate 2 is fixedly connected with powerless clamp mounting frame 3, the inside of powerless clamp mounting frame 3 is provided with powerless rotating shaft 16, the front end outer wall of powerless rotating shaft 16 is fixedly connected with second clamp jaw plate 27, the side of the rear end outer wall of second clamp jaw plate 27 is provided with bolt cylinder 4;

[0035] The outer wall of the front end of the second clamping jaw plate 27 is provided with a first non-powered clamping jaw 5 and a second non-powered clamping jaw 15 on both sides, respectively. The outer wall of the front end of the linear guide rail 12 is slidingly connected with a second sliding block 23. The upper surface of the second sliding block 23 is fixedly connected with a second fixed plate 11. The upper surface of the second fixed plate 11 is fixedly connected with a powered clamp mounting rack 9. The powered clamp mounting rack 9 is internally provided with a power side rotating shaft 25. The rear end of the outer wall of the power side rotating shaft 25 is fixedly connected with a first clamping jaw plate 26. The outer wall of the rear end of the first clamping jaw plate 26 is provided with a first powered clamping jaw 6 and a second powered clamping jaw 14 on both sides, respectively. The outer wall of the front end of the powered clamp mounting rack 9 is fixedly connected with a rotating mechanism fixed plate 32. The outer wall of the rear end of the rotating mechanism fixed plate 32 is provided with a rotating drive motor 8 on the side away from the powered clamp mounting rack 9.

[0036] By installing a suitable clamp and then through the clamping drive motor 31 and the lead screw 13, the first powered clamping jaw 6 and the second powered clamping jaw 14 and the first non-powered clamping jaw 5 and the second non-powered clamping jaw 15 can clamp the workpiece. Through this mechanism, not only can the clamping stability in the production process be improved, and defects caused by improper clamping be reduced, but also different specifications of product production demands can be easily met, greatly improving the adaptability and production efficiency of the production line.

[0037] Referring to Figure 1 , Figure 3 and Figure 4 , the edge of the rear end of the mounting plate 28 is fixedly connected with a clamping mechanism cover 17. The output end of the clamping drive motor 31 is fixedly connected with a clamping main gear 36. The outer wall of the clamping main gear 36 is rotatably connected with a clamping belt 35. One end of the clamping belt 35 away from the clamping main gear 36 is rotatably connected with a clamping auxiliary gear 30. The clamping auxiliary gear 30, the clamping belt 35 and the clamping main gear 36 are arranged in the interior of the clamping mechanism cover 17. The clamping auxiliary gear 30 is fixedly connected with the lead screw 13. Through the rotation of the rotating drive motor 8 to rotate the power side rotating shaft 25, and the cooperation of the first yoke 19 and the second yoke 24, and the synchronous rotation of the non-powered rotating shaft 16, the workpiece can be rotated and stopped at any angle in the circumferential direction. The staff can observe the state of the clamping workpiece and the overall situation of the workpiece, which can effectively improve the flexibility, efficiency and precision of the production line.

[0038] Referring to Figure 1 , Figure 2 and Figure 5, the outer wall of the front end and the rear end of the middle part of the positive and negative screw rod 13 are respectively provided with the second limiting block 29 and the first limiting block 21, the movement distance of the mechanism can be limited through the second limiting block 29 and the first limiting block 21, the outer wall of the edge of the front end of the rotating mechanism fixed plate 32 is fixedly connected with the clamp rotating mechanism protection cover 7, one side of the outer wall of the rear end of the rotating mechanism fixed plate 32 is rotatably connected with the rotating auxiliary gear 34, the outer wall of the rotating auxiliary gear 34 is rotatably connected with the rotating belt 33, one side of the rotating belt 33 away from the rotating auxiliary gear 34 is rotatably connected with the rotating main gear 20, the rotating main gear 20 is fixedly connected to the output end of the rotating drive motor 8, the rotating main gear 20, the rotating belt 33 and the rotating auxiliary gear 34 are arranged in the interior of the clamp rotating mechanism protection cover 7, and the rotating mechanism can be rotated through the rotating main gear 20, the rotating belt 33, the rotating auxiliary gear 34 and the rotating drive motor 8.

[0039] Referring to Figure 1 , FIG. and FIG., the outer wall of one side of the first unpowered clamp jaw 5 away from the second unpowered clamp jaw 15 is fixedly connected with the first fork 19, the outer wall of one side of the second powered clamp jaw 14 away from the first powered clamp jaw 6 is fixedly connected with the second fork 24, the first fork 19 and the second fork 24 are aligned, the rotating mechanism as a whole can be rotated through the alignment of the first fork 19 and the second fork 24, the power side rotating shaft 25 is fixedly connected with the rotating auxiliary gear 34, the first sliding block 18 and the second sliding block 23 slide on the outer wall of the linear guide rail 12, the unpowered clamp mounting frame 3 and the powered clamp mounting frame 9 can be moved through the sliding of the first sliding block 18 and the second sliding block 23 on the outer wall of the linear guide rail 12, the unpowered rotating shaft 16 is rotatably connected with the unpowered clamp mounting frame 3, the power side rotating shaft 25 is rotatably connected with the powered clamp mounting frame 9, and the workpiece can be rotated through the rotatable connection of the unpowered rotating shaft 16 with the unpowered clamp mounting frame 3 and the rotatable connection of the power side rotating shaft 25 with the powered clamp mounting frame 9.

[0040] Working principle: after the product is positioned by the carrier, the clamping drive motor 31 rotates, the positive and negative screw rod 13 is rotated through the clamping auxiliary gear 30, the clamping belt 35 and the clamping main gear 36, and the unpowered clamp mounting frame 3 and the powered clamp mounting frame 9 realize synchronous contraction and clamping. The first powered clamp jaw 6 and the second powered clamp jaw 14 and the first unpowered clamp jaw 5 and the second unpowered clamp jaw 15 contact and clamp the product. At this time, the first fork 19 and the second fork 24 are synchronized, the pin cylinder 4 is retracted, the unpowered rotating clamp is disengaged, and the synchronous rotation function can be realized. The mechanism rises (the lifting mechanism is configured), the rotating drive motor 8 is started, the power side rotating shaft 25 is rotated through the rotating main gear 20, the rotating belt 33 and the rotating auxiliary gear 34, the unpowered rotating shaft 16 is synchronously rotated through the cooperation of the first fork 19 and the second fork 24, and the rotation and stop of the product at any angle are realized.

[0041] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application has been described in detail, for the skilled in the art, it still can be modified, or for part of the technical features of the equivalent replacement, the spirit and principles of the present application, made any modification, equivalent replacement, improvement, etc., should be included within the scope of the present application.

Claims

1. A clamping servo-rotation mechanism comprising a fixed frame (1), characterized in that: The rear end outer wall of the fixed rack (1) is fixedly connected with a mounting plate (28), one side of the front end outer wall of the mounting plate (28) is fixedly connected with a clamping drive motor (31), the rear end inner wall of the fixed rack (1) is fixedly connected with a screw rod fixed side screw seat (22), the front end inner wall of the fixed rack (1) is fixedly connected with a screw rod supporting side nut seat (10), the inside of the screw rod supporting side nut seat (10) and the screw rod fixed side screw seat (22) is rotatably connected with a positive and negative screw thread screw rod (13), both sides of the upper surface of the fixed rack (1) are fixedly connected with a linear guide rail (12), the rear end of the outer wall of the linear guide rail (12) is slidably connected with a first sliding block (18), the upper surface of the first sliding block (18) is fixedly connected with a first fixed plate (2), the upper surface of the first fixed plate (2) is fixedly connected with a non-powered clamp mounting frame (3), the inside of the non-powered clamp mounting frame (3) is provided with a non-powered rotating shaft (16), the front end outer wall of the non-powered rotating shaft (16) is fixedly connected with a second clamping jaw plate (27), one side of the rear end outer wall of the second clamping jaw plate (27) is provided with a latch air cylinder (4); both sides of the front end outer wall of the second clamping jaw plate (27) are respectively provided with a first non-powered clamping jaw (5) and a second non-powered clamping jaw (15), the front end of the outer wall of the linear guide rail (12) is slidably connected with a second sliding block (23), the upper surface of the second sliding block (23) is fixedly connected with a second fixed plate (11), the upper surface of the second fixed plate (11) is fixedly connected with a powered clamp mounting frame (9), the inside of the powered clamp mounting frame (9) is provided with a power side rotating shaft (25), the rear end of the outer wall of the power side rotating shaft (25) is fixedly connected with a first clamping jaw plate (26), both sides of the rear end outer wall of the first clamping jaw plate (26) are respectively provided with a first powered clamping jaw (6) and a second powered clamping jaw (14), the upper end of the front end outer wall of the powered clamp mounting frame (9) is fixedly connected with a rotating mechanism fixed plate (32), one side of the rear end outer wall of the rotating mechanism fixed plate (32) away from the powered clamp mounting frame (9) is provided with a rotating drive motor (8).

2. A clamping servo rotation mechanism according to claim 1, characterized in that: The edge of the rear end outer wall of the mounting plate (28) is fixedly connected with a clamping mechanism cover (17), the output end of the clamping drive motor (31) is fixedly connected with a clamping main gear (36), the outer wall of the clamping main gear (36) is rotatably connected with a clamping belt (35), one end of the clamping belt (35) away from the clamping main gear (36) is rotatably connected with a clamping auxiliary gear (30), the clamping auxiliary gear (30), the clamping belt (35) and the clamping main gear (36) are arranged in the inside of the clamping mechanism cover (17), and the clamping auxiliary gear (30) is fixedly connected with the positive and negative screw thread screw rod (13).

3. A clamping servo rotation mechanism according to claim 1, wherein: The front end and the rear end of the outer wall of the positive and negative screw thread screw rod (13) near the middle part are respectively provided with a second limiting block (29) and a first limiting block (21).

4. A clamp servomotor according to claim 1, wherein: The outer wall of the front end of the rotating mechanism fixed plate (32) is fixedly connected with a clamp rotating mechanism protection cover (7), one side of the outer wall of the rear end of the rotating mechanism fixed plate (32) is rotatably connected with a rotating secondary gear (34), the outer wall of the rotating secondary gear (34) is rotatably connected with a rotating belt (33), one side of the rotating belt (33) away from the rotating secondary gear (34) is rotatably connected with a rotating main gear (20), the rotating main gear (20) is fixedly connected with the output end of a rotating drive motor (8), and the rotating main gear (20), the rotating belt (33) and the rotating secondary gear (34) are arranged in the clamp rotating mechanism protection cover (7).

5. A clamp servomotor according to claim 1, wherein: The outer wall of one side of the first unpowered clamp jaw (5) away from the second unpowered clamp jaw (15) is fixedly connected with a first shift fork (19), the outer wall of one side of the second powered clamp jaw (14) away from the first powered clamp jaw (6) is fixedly connected with a second shift fork (24), and the first shift fork (19) and the second shift fork (24) are aligned.

6. A clamp servomotor according to claim 1, wherein: The power side rotating shaft (25) is fixedly connected with the rotating secondary gear (34), and the first sliding block (18) and the second sliding block (23) slide on the outer wall of the linear guide rail (12).

7. A clamp servomotor according to claim 1 wherein: The unpowered rotating shaft (16) is rotatably connected with the unpowered clamp mounting frame (3), and the power side rotating shaft (25) is rotatably connected with the powered clamp mounting frame (9).