Cutting device for motorcycle accessory machining

By designing a cutting device including a workbench, shell, support plate, working plate, motor, shaft, pulley and hydraulic pulling structure, the existing cutting device has solved the problems of complex structure, cumbersome operation and limited adaptability, and an efficient, stable and easy-to-maintenance cutting process is achieved.

CN119839367APending Publication Date: 2025-04-18DONGTAI JIAHONG ELECTRLCAL TECH CO LTD
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Patent Information

Application Number
CN202510222045.1
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-02-27
Publication Date
2025-04-18

AI Technical Summary

Technical Problem

The cutting device for existing motorcycle accessories processing is complex in structure, cumbersome in operation, and has limited adaptability to motorcycle accessories of different shapes and sizes.

Method used

A cutting device including a workbench, a housing, a support plate, a working plate, a motor, a shaft, a pulley and a hydraulic pulling structure is designed. The pulley drives the shaft rod by the motor to drive the saw blade to cut, and the working plate is flexibly rotated through the hydraulic pulling structure, so that the saw blade can be guided downward and cut.

Benefits of technology

The cutting process is achieved with high efficiency and stability, the saw blade replacement process is simplified, the operation difficulty is reduced, the equipment maintenance efficiency is improved, and the workpiece stability is ensured through intelligent control.

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Abstract

The cutting device for motorcycle accessory machining comprises a workbench, the top of the workbench is fixedly connected with a shell, the right side of the bottom of the shell is fixedly connected with a supporting plate, the supporting plate is specifically in an L shape, the supporting plate is rotationally provided with a working plate, the working plate is fixedly connected with a motor, and the motor is fixedly connected with the shell. The top of the working plate is fixedly connected with symmetrically-distributed fixing pieces, shaft rods are rotationally arranged on the fixing pieces, a belt wheel is arranged at the output end of the motor, the shaft rods are sleeved with the transmission ends of the belt wheel, a guide groove is formed in one side of the supporting plate, and the ends of the shaft rods are arranged in the guide groove. A saw blade is movably inserted into the end, located on the left side of the supporting plate, of the shaft rod, and a hydraulic traction structure is arranged on the back face of the working plate. The technical problems that a cutting device in the market is often complex in structure, tedious in operation and limited in adaptability to motorcycle accessories of different shapes and sizes are solved.
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Description

Technical Field

[0001] The invention mainly relates to the technical field of motorcycle parts processing, in particular to a cutting device for motorcycle parts processing. Background Art

[0002] In the motorcycle parts processing industry, cutting technology is an indispensable part of the manufacturing process. Traditionally, this link relies on manual operation or simple mechanical cutting equipment, which is not only inefficient, but also difficult to ensure cutting accuracy and consistency. With the development of technology, some cutting devices with a high degree of automation have gradually appeared on the market, but these devices are often complex in structure, cumbersome to operate, and have limited adaptability to motorcycle parts of different shapes and sizes. Summary of the invention

[0003] The technical solution of the present invention aims at the technical problem that the existing technical solutions are too single, and provides a solution that is significantly different from the existing technology. It mainly provides a cutting device for processing motorcycle accessories, which is used to solve the technical problems mentioned in the above background technology that the cutting devices on the market are often complex in structure, cumbersome to operate, and have limited adaptability to motorcycle accessories of different shapes and sizes.

[0004] The technical solution adopted by the present invention to solve the above technical problems is: a cutting device for processing motorcycle accessories, comprising a workbench, a shell is fixedly connected to the top of the workbench, a support plate is fixedly connected to the right side of the bottom of the shell, the support plate is specifically "L"-shaped, a work plate is rotatably arranged on the support plate, a motor is fixedly connected to the work plate, a symmetrically distributed fixing piece is fixedly connected to the top of the work plate, a shaft rod is rotatably arranged on the fixing piece, a pulley is arranged at the output end of the motor, and the transmission end of the pulley is sleeved on the shaft rod, a guide groove is opened on one side of the support plate, the end of the shaft rod is placed in the guide groove, a saw blade is movably inserted at one end of the shaft rod located on the left side of the support plate, a hydraulic pulling structure is arranged on the back side of the work plate, the hydraulic pulling structure comprises a hydraulic push rod and a movable rod, the hydraulic push rod is fixedly connected to the support plate, one end of the movable rod is connected to the end of the hydraulic push rod, and the other end thereof is fixedly connected to the back side of the work plate, and the hydraulic pulling structure is used for pushing and pulling to rotate the work plate.

[0005] Preferably, a connecting block is fixedly connected to the left side of the bottom of the shell, a telescopic plate is slidably provided at the bottom of the connecting block, the left outer wall of the telescopic plate is fixedly connected to the outer shell, a pull rod is slidably provided on the left outer wall of the outer shell, one end of the pull rod located on the right side of the telescopic plate is fixedly connected to a rotating rod, the end of the pull rod located in the outer shell is sleeved with a pull plate, and a compression spring is provided on the left side of the pull plate.

[0006] Preferably, the pull rod is placed on the right side of the telescopic plate at one end with a second bearing, the left end of the rotating rod is provided with a first bearing, the left outer wall of the saw blade is provided with a tooth groove, the right end of the rotating rod is fixedly connected with a toothed end, and the toothed end is movably connected to the tooth groove.

[0007] Preferably, a rectangular groove is provided on the right outer wall of the saw blade, a rectangular head is fixedly connected to the end of the shaft rod, a push shell is fixedly mounted on the end of the shaft rod, a second spring symmetrically distributed is arranged in the push shell, and the left outer wall of the push shell is in push contact with the right outer wall of the saw blade.

[0008] Preferably, a second sliding groove is opened on the right outer wall of the connecting block, a sliding block is slidably arranged on the second sliding groove, the ends of the sliding block are fixedly connected to a connecting frame, the outer walls on both sides of the connecting frame are fixedly connected to a through block, a trapezoidal block is slidably arranged in the through block, a clamp is fixedly connected to the bottom of one end of the trapezoidal block placed in the connecting frame, a first spring is arranged between the two trapezoidal blocks, and the clamp is in clamping contact with the outer wall of the saw blade.

[0009] Preferably, the top of the connecting frame is fixedly connected to a connecting shell, and a handle is slidably provided on the top of the connecting frame. The bottom of the handle is fixedly connected to a pull rod, one end of the pull rod passes through the connecting shell and the connecting frame, and one end of the pull rod is placed in the connecting frame and is fixedly connected to a push block, and the push block is in push contact with the trapezoidal block.

[0010] Preferably, one end of the pull rod placed in the connection shell is sleeved with a pressure plate, and the bottom of the pressure plate is fixedly connected with a third spring.

[0011] Preferably, a first slide groove is provided on the top of the workbench, and fixing holes distributed in an array are provided in the first slide groove, a fixing block is slidably inserted on the first slide groove, a slide rail is fixedly connected to the bottom of the fixing block, the slide rail is adapted to the first slide groove, a connecting end is provided on the outer wall of the fixing block, a connecting wire is electrically connected to the connecting end, and the other end of the connecting wire passes through the outer wall of the support plate and is sensor-connected to the hydraulic push rod.

[0012] Preferably, a first connecting piece is fixedly connected to an outer wall on one side of the fixed block, a fixing bolt is slidably provided on the first connecting piece, the fixing bolt is adapted to the fixing hole, second connecting pieces are fixedly connected to the outer walls on both sides of the fixed block, a first connecting rod is rotatably provided on the second connecting piece, the bottom of the first connecting rod is arc-shaped, a hydraulic end is provided between the arc-shaped ends, the hydraulic end is electrically connected to the connecting end, a sliding rod is fixedly connected to the end of the first connecting rod, and a clamping block is fixedly connected to the end of the sliding rod.

[0013] Compared with the prior art, the beneficial effects of the present invention are as follows: the motor drives the pulley transmission shaft rod, which in turn drives the saw blade to cut, thereby ensuring the high efficiency and stability of the cutting process. At the same time, the setting of the hydraulic pulling structure enables the working plate to rotate flexibly, so that the saw blade can be guided downward to move for cutting. By pulling the pulling rod, the fixation of the saw blade by the rotating rod can be easily released. At the same time, the clamping effect of the trapezoidal block and the clamping plate can be used to quickly replace the saw blade, which simplifies the saw blade replacement process, reduces the difficulty of operation, and improves the maintenance efficiency of the equipment. Through the sliding setting of the sliding block and the connecting frame, the clamping position can be adjusted according to the size of the workpiece to ensure the stability of the workpiece during the cutting process. At the same time, through the sensor connection between the connecting line and the hydraulic push rod, intelligent control of the cutting process is realized. When the clamping assembly clamps the workpiece, the sensor line can automatically transmit a signal to the hydraulic pulling structure to reset the rotating plate to its original state to prepare for the next cutting.

[0014] The present invention will be explained in detail below with reference to the accompanying drawings and specific embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional schematic diagram of the overall structure of the present invention; Figure 2 It is a schematic diagram of the clamping structure of the present invention; Figure 3 It is a schematic diagram of the overall internal structure of the present invention; Figure 4 It is a schematic diagram of the cutting structure and disassembly structure of the present invention; Figure 5 It is a schematic diagram of the disassembly structure of the present invention; Figure 6 for Figure 4 A magnified view of the structure at A; Figure 7 for Figure 5 Enlarged view of the structure at B.

[0016] Markings in the figure: 1-working table, 101-first slide, 102-fixing hole, 2-housing, 3-support plate, 301-guide groove, 4-fixing block, 401-first connecting piece, 402-slide rail, 403-second connecting piece, 404-connecting end, 5-saw blade, 6-fixing bolt, 7-slide rod, 701-clamping block, 8-first connecting rod, 9-hydraulic end, 10-connecting block, 1001-second slide, 11-working plate, 12-motor, 13-fixing piece, 14-shaft rod, 14 01-rectangular head, 15-pulley, 16-connecting frame, 1601-connecting shell, 17-through block, 18-handle, 1801-pull rod, 1802-push block, 19-sliding block, 20-telescopic plate, 2001-pull rod, 21-trapezoidal block, 22-clamp, 23-first spring, 24-push shell, 25-second spring, 26-rotating rod, 2601-first bearing, 27-second bearing, 28-toothed end, 29-pressure plate, 30-third spring, 31-connecting line. DETAILED DESCRIPTION

[0017] To facilitate understanding of the present invention, the present invention will be described more comprehensively below with reference to the relevant drawings. Several embodiments of the present invention are given in the drawings, but the present invention can be implemented in different forms and is not limited to the embodiments described in the text. On the contrary, these embodiments are provided to make the content disclosed in the present invention more thorough and comprehensive.

[0018] It should be noted that when an element is referred to as being "fixed on" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used in this article are for illustrative purposes only.

[0019] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly connected by technicians in the technical field to which the present invention belongs. The terminology used in the specification of the present invention is for the purpose of describing specific embodiments and is not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0020] See also Figure 1-7A cutting device for processing motorcycle accessories, a cutting device for processing motorcycle accessories, characterized in that: it includes a workbench 1, the top of the workbench 1 is fixedly connected with a shell 2, the right side of the bottom of the shell 2 is fixedly connected with a support plate 3, the support plate 3 is specifically "L"-shaped, a working plate 11 is rotatably arranged on the support plate 3, a motor 12 is fixedly connected to the working plate 11, a symmetrically distributed fixing piece 13 is fixedly connected to the top of the working plate 11, a shaft 14 is rotatably arranged on the fixing piece 13, a pulley 15 is arranged at the output end of the motor 12, a transmission end of the pulley 15 is sleeved on the shaft 14, and one side of the support plate 3 A guide groove 301 is provided, and the end of the shaft rod 14 is placed in the guide groove 301. The shaft rod 14 is located at one end on the left side of the support plate 3 and is movably connected with a saw blade 5. After the motor 12 is started, the shaft rod 14 is driven by the pulley 15 to drive the saw blade 5 to rotate for cutting. A hydraulic pulling structure is provided on the back of the working plate 11. The hydraulic pulling structure includes a hydraulic push rod and a movable rod. The hydraulic push rod is fixedly connected to the support plate 3. One end of the movable rod is connected to the end of the hydraulic push rod, and the other end thereof is fixedly connected to the back of the working plate 11. The hydraulic pulling structure is used to push and pull the working plate 11 for rotation, so that the saw blade 5 can be guided downward for movement and cutting.

[0021] See also Figure 1 , Figure 3 and Figure 4 A connecting block 10 is fixedly connected to the left side of the bottom of the shell 2, and a telescopic plate 20 is slidably set at the bottom of the connecting block 10. The left outer wall of the telescopic plate 20 is fixedly connected to the shell, and a pull rod 2001 is slidably set on the left outer wall of the shell. The pull rod 2001 is located on the right side of the telescopic plate 20 and is fixedly connected to a rotating rod 26. The end of the pull rod 2001 located in the shell is sleeved with a pull plate, and a compression spring is set on the left side of the pull plate. The telescopic plate 20 can be extended or contracted to adjust its position according to the movement of the saw blade 5.

[0022] See also Figure 4 The pull rod 2001 is placed on the right side of the telescopic plate 20, and one end thereof is sleeved with a second bearing 27. The left end of the rotating rod 26 is provided with a first bearing 2601. The left outer wall of the saw blade 5 is provided with a tooth groove. The right end of the rotating rod 26 is fixedly connected with a toothed end 28, and the toothed end 28 is movably connected with the tooth groove. By pulling the pull rod 2001, the rotating rod 26 and the toothed end 28 are movably connected or separated with the tooth groove on the left side of the saw blade 5, so as to fix or release the saw blade 5.

[0023] See also Figure 6 A rectangular groove is provided on the right outer wall of the saw blade 5, a rectangular head 1401 is fixedly connected to the end of the shaft rod 14, a push shell 24 is sleeved and fixed on the end of the shaft rod 14, a second spring 25 symmetrically distributed is arranged in the push shell 24, and the left outer wall of the push shell 24 is in push contact with the right outer wall of the saw blade 5.

[0024] See also Figure 2 and Figure 4 A second slide groove 1001 is provided on the right outer wall of the connecting block 10, and a sliding block 19 is slidably arranged on the second slide groove 1001. The end of the sliding block 19 is fixedly connected to the connecting frame 16, and the outer walls on both sides of the connecting frame 16 are fixedly connected to the through blocks 17. A trapezoidal block 21 is slidably arranged in the through block 17, and a clamping plate 22 is fixedly connected to the bottom of one end of the trapezoidal block 21 placed in the connecting frame 16. A first spring 23 is arranged between the two trapezoidal blocks 21, and the clamping plate 22 is clamped and contacted with the outer wall of the saw blade 5.

[0025] See also Figure 5 The top of the connecting frame 16 is fixedly connected to a connecting shell 1601, and a handle 18 is slidably provided on the top of the connecting frame 16. The bottom of the handle 18 is fixedly connected to a pull rod 1801. One end of the pull rod 1801 passes through the connecting shell 1601 and the connecting frame 16, and one end of the pull rod 1801 placed in the connecting frame 16 is fixedly connected to a push block 1802, which pushes against the trapezoidal block 21.

[0026] One end of the pull rod 1801 placed in the connecting shell 1601 is sleeved with a pressure plate 29, and the bottom of the pressure plate 29 is fixedly connected to a third spring 30. By utilizing the clamping effect of the trapezoidal block 21 and the clamping plate 22, the saw blade 5 can be quickly removed by operating the handle 18 and the pull rod 1801.

[0027] See also Figure 1 , Figure 2 and Figure 3 A first slide groove 101 is provided on the top of the workbench 1, and fixed holes 102 distributed in an array are provided in the first slide groove 101. A fixed block 4 is slidably inserted on the first slide groove 101, and a slide rail 402 is fixedly connected to the bottom of the fixed block 4. The slide rail 402 is adapted to the first slide groove 101. A connecting end 404 is provided on the outer wall of the fixed block 4, and a connecting line 31 is electrically connected to the connecting end 404. The other end of the connecting line 31 passes through the outer wall of the support plate 3 and is sensor-connected to the hydraulic push rod. The connecting end 404 is sensor-connected to the hydraulic push rod through the connecting line 31. When the clamping assembly clamps the workpiece, the connecting line 31 automatically transmits a signal to the hydraulic pulling structure to reset the working plate 11 and rotate to its original state.

[0028] See also Figure 2 A first connecting member 401 is fixedly connected to an outer wall on one side of the fixed block 4, a fixing bolt 6 is slidably provided on the first connecting member 401, and the fixing bolt 6 is adapted to the fixing hole 102. Second connecting members 403 are fixedly connected to the outer walls on both sides of the fixed block 4, and a first connecting rod 8 is rotatably provided on the second connecting member 403. The bottom of the first connecting rod 8 is arc-shaped, and a hydraulic end 9 is provided between its arc ends. The hydraulic end 9 is electrically connected to the connecting end 404, and a sliding rod 7 is fixedly connected to the end of the first connecting rod 8, and a clamping block 701 is fixedly connected to the end of the sliding rod 7.

[0029] The specific operation process of the utility model is as follows: the fixed block 4 is slidably set just below the saw blade 5, and then the connecting line 31 is respectively connected to the connecting end 404 and the outer wall of the support plate 3, and then the hydraulic end 9 is started to push the first connecting rod 8 to rotate, so that the sliding rod 7 is pushed inward and the clamping block 701 clamps the motorcycle accessories, and the motor 12 switch is turned on. The motor drives the shaft rod 14 through the pulley 15 to drive the saw blade 5 to rotate for cutting, and then the hydraulic push rod pushes the movable rod so that the movable rod drives the working plate 11 to rotate, and the shaft rod 14 slides downward along the guide groove 301 and cuts the motorcycle accessories. After each cutting, the connecting end 404 automatically transmits a signal to the hydraulic push rod through the connecting line 31, so that the movable rod moves the working plate 11. 11 resets the pulling rotation to the original state to prepare for the next cutting. When the saw blade 5 needs to be replaced, turn off the motor 12, pull the pulling rod 2001, separate it from the tooth groove on the left side of the saw blade 5 through the rotating rod 26 and the toothed end 28, release the left side fixation of the saw blade 5, and then push the push shell 24 to pop out the saw blade 5 to the left through the elastic push of the second spring 25, so that the rectangular groove is released from the plug-in of the rectangular head 1401, and then pull the handle 18, push the trapezoidal block 21 through the pull rod 1801 and the push block 1802, so that the clamping plate 22 clamps the saw blade 5, and then push the handle 18 again, so that the trapezoidal block 21 pulls the first spring 23 to release the clamping of the clamping plate 22 on the saw blade 5, and it is convenient for the staff to remove the saw blade 5.

[0030] The above is an exemplary description of the present invention in combination with the accompanying drawings. It is obvious that the specific implementation of the present invention is not limited to the above-mentioned method. As long as such non-substantial improvements are made by adopting the method concept and technical solution of the present invention, or the concept and technical solution of the present invention are directly applied to other occasions without improvement, they are all within the protection scope of the present invention.

Claims

1. A cutting device for motorcycle parts processing, characterized in that: The invention comprises a workbench (1), wherein the top of the workbench (1) is fixedly connected to a shell (2), the right side of the bottom of the shell (2) is fixedly connected to a support plate (3), the support plate (3) is specifically "L"-shaped, a work plate (11) is rotatably arranged on the support plate (3), a motor (12) is fixedly connected to the work plate (11), a symmetrically distributed fixing member (13) is fixedly connected to the top of the work plate (11), a shaft (14) is rotatably arranged on the fixing member (13), a pulley (15) is arranged at the output end of the motor (12), and the transmission end of the pulley (15) is sleeved on the shaft ( 14), a guide groove (301) is provided on one side of the support plate (3), the end of the shaft rod (14) is placed in the guide groove (301), the shaft rod (14) is located on the left side of the support plate (3) and a saw blade (5) is movably inserted at one end, and a hydraulic pulling structure is provided on the back of the working plate (11), the hydraulic pulling structure includes a hydraulic push rod and a movable rod, the hydraulic push rod is fixedly connected to the support plate (3), one end of the movable rod is connected to the end of the hydraulic push rod, and the other end is fixedly connected to the back of the working plate (11), and the hydraulic pulling structure is used for pushing and pulling to rotate the working plate (11).

2. A cutting device for motorcycle parts processing according to claim 1, characterized in that: A connecting block (10) is fixedly connected to the left side of the bottom of the shell (2), a telescopic plate (20) is slidably provided on the bottom of the connecting block (10), a left outer wall of the telescopic plate (20) is fixedly connected to the outer shell, a pull rod (2001) is slidably provided on the left outer wall of the outer shell, one end of the pull rod (2001) located on the right side of the telescopic plate (20) is fixedly connected to a rotating rod (26), and a pull plate is sleeved on the end of the pull rod (2001) located in the outer shell, and a compression spring is provided on the left side of the pull plate.

3. A cutting device for motorcycle parts processing according to claim 2, characterized in that: The drag rod (2001) is provided with a second bearing (27) at one end thereof which is located on the right side of the telescopic plate (20); the left end of the rotating rod (26) is provided with a first bearing (2601); a tooth groove is provided on the left outer wall of the saw blade (5); the right end of the rotating rod (26) is fixedly connected with a toothed end (28); and the toothed end (28) is movably plugged into the tooth groove.

4. A cutting device for motorcycle parts processing according to claim 3, characterized in that: A rectangular groove is formed on the right outer wall of the saw blade (5); a rectangular head (1401) is fixedly connected to the end of the shaft rod (14); a push shell (24) is sleeved and fixedly mounted on the end of the shaft rod (14); a symmetrically distributed second spring (25) is arranged in the push shell (24); and a left outer wall of the push shell (24) is in push contact with a right outer wall of the saw blade (5).

5. The cutting device for motorcycle parts processing according to claim 2, characterized in that: A second slide groove (1001) is provided on the right outer wall of the connecting block (10), a sliding block (19) is slidably arranged on the second slide groove (1001), an end of the sliding block (19) is fixedly connected to a connecting frame (16), both side outer walls of the connecting frame (16) are fixedly connected to a through block (17), a trapezoidal block (21) is slidably arranged in the through block (17), a clamping plate (22) is fixedly connected to the bottom of one end of the trapezoidal block (21) placed in the connecting frame (16), a first spring (23) is arranged between the two trapezoidal blocks (21), and the clamping plate (22) is in clamping contact with the outer wall of the saw blade (5).

6. A cutting device for motorcycle parts processing according to claim 5, characterized in that: The top of the connecting frame (16) is fixedly connected to a connecting shell (1601), the top of the connecting frame (16) is slidably provided with a handle (18), the bottom of the handle (18) is fixedly connected to a pull rod (1801), one end of the pull rod (1801) passes through the connecting shell (1601) and the connecting frame (16), and one end of the pull rod (1801) disposed in the connecting frame (16) is fixedly connected to a push block (1802), and the push block (1802) is in push contact with the trapezoidal block (21).

7. A cutting device for motorcycle parts processing according to claim 6, characterized in that: One end of the pull rod (1801) placed in the connection shell (1601) is sleeved with a pressure plate (29), and the bottom of the pressure plate (29) is fixedly connected to a third spring (30).

8. The cutting device for motorcycle parts processing according to claim 1, characterized in that: The workbench (1) is provided with a first slide groove (101) on the top, and the first slide groove (101) is provided with fixing holes (102) distributed in an array, a fixing block (4) is slidably inserted on the first slide groove (101), and a slide rail (402) is fixedly connected to the bottom of the fixing block (4), and the slide rail (402) is adapted to the first slide groove (101), and a connecting end (404) is provided on the outer wall of the fixing block (4), and a connecting wire (31) is electrically connected to the connecting end (404), and the other end of the connecting wire (31) passes through the outer wall of the support plate (3) and is connected to the hydraulic push rod by sensing.

9. A cutting device for motorcycle parts processing according to claim 8, characterized in that: A first connecting member (401) is fixedly connected to an outer wall on one side of the fixing block (4), a fixing bolt (6) is slidably arranged on the first connecting member (401), and the fixing bolt (6) is adapted to the fixing hole (102). Second connecting members (403) are fixedly connected to the outer walls on both sides of the fixing block (4), and a first connecting rod (8) is rotatably arranged on the second connecting member (403), the bottom of the first connecting rod (8) is arranged in an arc shape, and a hydraulic end (9) is arranged between the arc ends, and the hydraulic end (9) is electrically connected to the connecting end (404), and the end of the first connecting rod (8) is fixedly connected to a sliding rod (7), and the end of the sliding rod (7) is fixedly connected to a clamping block (701).