Winding and unwinding turret device

Abstract

The utility model discloses a winding and unwinding turret device, and relates to the technical field of coiled material processing, the winding and unwinding turret device comprises a frame, clamping mechanisms and a supporting mechanism, the two ends of the frame are respectively provided with one clamping mechanism, each clamping mechanism comprises a clamping seat and an air expansion shaft, the clamping seats are arranged on the frame in a sliding mode, and the air expansion shafts are arranged on the clamping seats. One end of each inflatable shaft is movably connected with the corresponding clamping seat, and the other ends of the inflatable shafts in the two clamping mechanisms extend in the direction close to each other or contract in the direction away from each other. And the two supporting mechanisms are fixedly arranged on the two clamping seats correspondingly, the two supporting mechanisms are used for supporting the two ends of the coiled material correspondingly, and the supporting mechanisms move synchronously along with the clamping seats. According to the technical scheme provided by the utility model, the problem that an existing turret structure cannot automatically adapt to winding and unwinding of coiled materials with different lengths is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to coiled material processing technical field, especially a kind of winding and unwinding turret device. BACKGROUND

[0002] In the automatic production line of lithium battery thin film, winding and unwinding turret is widely used in various coiled material processing production lines as a kind of key equipment, and its main function is to realize the unwinding and winding operation of coiled material. In the unwinding process, the unwinding turret is responsible for unfolding the coiled material into continuous sheet material, and in the winding process, the winding turret re-collects the continuous sheet material into coiled material. Although the working principles of the two are the same, the operation process is just opposite.

[0003] With the continuous progress of technology and the diversified needs of market, the specifications of coiled material are more and more diversified, and the length of the core of material roll also presents different sizes. However, the existing winding and unwinding turret is often designed for a specific length of core, and has poor compatibility for different lengths of core, which cannot meet the diversified production needs. When it is necessary to replace material rolls with different core lengths, the existing turret equipment often needs to be stopped for complex adjustment, which not only reduces the production efficiency, but also increases the operation difficulty. SUMMARY

[0004] The main purpose of the utility model is to provide a winding and unwinding turret device, which aims to solve the problem that the existing turret structure cannot automatically adapt to the winding and unwinding of coiled material with different lengths.

[0005] To achieve the above purpose, the winding and unwinding turret device provided by the utility model comprises:

[0006] a frame;

[0007] a clamping mechanism, one is arranged at each end of the frame, the clamping mechanism comprises a clamping seat and a gas expansion shaft, the clamping seat is slidably arranged on the frame, one end of the gas expansion shaft is movably connected with the clamping seat, and the other end of the gas expansion shaft in the two clamping mechanisms is stretched towards each other or shrunk away from each other; and

[0008] a supporting mechanism, one is fixedly arranged on each of the two clamping seats, the two supporting mechanisms are used for supporting the two ends of the coiled material respectively, and the supporting mechanism moves synchronously with the clamping seat.

[0009] In an embodiment, the clamping mechanism further comprises a gas expansion chuck, which is arranged at one end of the gas expansion shaft away from the clamping seat and used for extending into the core of the coiled material.

[0010] In an embodiment, the winding and unwinding turret device further comprises a first driving mechanism, which is arranged on the clamping seat and connected with the clamping seat and the frame to drive the clamping seat to move linearly along the frame.

[0011] In an embodiment, the first driving mechanism comprises:

[0012] a screw rod elevator, a screw rod of which is arranged on one side of the frame towards the clamping seat; and

[0013] a servo motor, which is arranged on the clamping seat and connected with a nut in the screw rod elevator to drive the nut to move along the axial direction of the screw rod, so as to drive the clamping seat to move linearly along the frame.

[0014] In an embodiment, the winding and unwinding turret device further comprises a telescopic mechanism, which is arranged on the clamping seat and connected with the inflatable shaft to drive the inflatable shaft to extend towards the roll or retract away from the roll.

[0015] In an embodiment, the winding and unwinding turret device further comprises a second driving mechanism, which is arranged on the clamping seat and connected with the inflatable shaft to drive the inflatable shaft to rotate.

[0016] In an embodiment, the winding and unwinding turret device further comprises a transmission mechanism, which is arranged on the clamping seat and connected with the inflatable shaft and the second driving mechanism, so that the second driving mechanism drives the inflatable shaft to rotate through the transmission mechanism.

[0017] In an embodiment, the transmission mechanism comprises a synchronous belt, which is arranged around an output shaft of the second driving mechanism and the inflatable shaft.

[0018] In an embodiment, the supporting mechanism comprises a supporting seat, which is fixedly arranged on one side of the clamping mechanism towards the roll and has a V-shaped structure.

[0019] In an embodiment, the winding and unwinding turret device further comprises a turret shaft, which is arranged through the frame along the length direction of the frame and can drive the frame to rotate at a target angle.

[0020] In an embodiment, the winding and unwinding turret device further comprises a sliding mechanism, which comprises a sliding rail and a sliding block arranged on the sliding rail, the sliding rail is arranged along the length direction of the frame, and the sliding block is fixedly arranged on one side of the clamping mechanism close to the frame.

[0021] The technical scheme of the utility model discloses two clamping mechanisms and two supporting mechanisms, the clamping mechanism includes clamping seat and gas expansion shaft, the supporting mechanism is fixed on the clamping mechanism, when the clamping seat slides along the frame, the supporting mechanism will move synchronously with the clamping seat, the distance between the two supporting mechanisms can be adjusted simultaneously, the roll material of different length can be automatically adapted, the roll material feeding process is easily completed without adjusting the clamping mechanism and then adjusting the supporting mechanism, the roll material feeding process is easily completed without adjusting the clamping mechanism and then adjusting the supporting mechanism. BRIEF DESCRIPTION OF DRAWINGS

[0022] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the drawings needed to be used in the embodiment or the prior art description will be briefly introduced, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can be obtained according to the structure shown in the drawings without creative labor.

[0023] Figure 1 The structural schematic diagram of one embodiment of the winding and unwinding turret device provided by the utility model is shown in the figure.

[0024] Figure 2 The structural schematic diagram of another embodiment of the winding and unwinding turret device provided by the utility model is shown in the figure.

[0025] Figure 3 The partial structural schematic diagram of still another embodiment of the winding and unwinding turret device provided by the utility model is shown in the figure.

[0026] Explanation of the reference numerals:

[0027] 100, winding and unwinding turret device, 1, frame, 2, clamping mechanism, 21, clamping seat, 22, gas expansion shaft, 23, gas expansion chuck, 3, supporting mechanism, 31, supporting seat, 4, first driving mechanism, 41, screw lift, 42, servo motor, 5, telescopic mechanism, 6, second driving mechanism, 7, transmission mechanism, 8, turret shaft, 9, sliding mechanism, 91, slide rail, 92, sliding block.

[0028] The realization, functional characteristics and advantages of the utility model will be further explained by combining with the embodiments and referring to the drawings. DETAILED DESCRIPTION

[0029] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative efforts fall within the scope of the present application.

[0030] It should be noted that if the embodiments of the present application involve directional indications (such as up, down, left, right, front, back, etc.), the directional indications are only used to explain the relative positional relationship, movement condition, etc. between components in a certain posture, and if the certain posture changes, the directional indications also change accordingly.

[0031] In addition, if the embodiments of the present application involve descriptions such as "first", "second", etc., the descriptions of "first", "second", etc. are only for description purposes, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first" and "second" can explicitly or implicitly include at least one of the features. In addition, "and / or" or "and / or" appearing throughout the text means that the three parallel solutions are included, for example, "A and / or B" includes A solution, or B solution, or A and B solutions. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the realization of ordinary skilled in the art, when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, and is not within the protection scope required by the present application.

[0032] With the continuous progress of technology and the diversified needs of the market, the specifications of the coil material are more and more diversified, and the length of the coil core also presents different sizes. However, the existing winding and unwinding turret is often designed for a specific length of the core, and the compatibility for different lengths of the core is poor, which cannot meet the diversified production needs. When it is necessary to replace the coil with different core lengths, the existing turret device often needs to be stopped for complex adjustment, which not only reduces the production efficiency, but also increases the operation difficulty.

[0033] The present application provides a winding and unwinding turret device.

[0034] Please refer to Figure 1 In an embodiment of the present application, the winding and unwinding turret device 100 comprises:

[0035] a frame 1;

[0036] The clamping mechanism 2 is provided with one at each end of the frame 1, and the clamping mechanism 2 comprises a clamping seat 21 and an air expansion shaft 22, the clamping seat 21 is slidably arranged on the frame 1, one end of the air expansion shaft 22 is movably connected with the clamping seat 21, and the other end of the air expansion shaft 22 in the two clamping mechanisms 2 is stretched towards each other or is contracted away from each other, and

[0037] The supporting mechanism 3 is fixedly arranged on the two clamping seats 21, respectively, and the two supporting mechanisms 3 are used for supporting two ends of the coiled material, respectively, and the supporting mechanism 3 moves synchronously with the clamping seat 21.

[0038] The technical scheme of the utility model discloses two clamping mechanisms 2 and two supporting mechanisms 3, the clamping mechanism 2 comprises a clamping seat 21 and an air expansion shaft 22, the supporting mechanism 3 is fixed on the clamping mechanism 2, when the clamping seat 21 slides along the frame 1, the supporting mechanism 3 will move synchronously with the clamping seat 21, so that the distance between the two supporting mechanisms 3 can be adjusted simultaneously, and different lengths of coiled materials can be automatically adapted, without adjusting the clamping mechanism 2 and then adjusting the supporting mechanism 3 separately, so that the feeding process of the coiled material is easily completed. In the scheme, the air expansion shaft 22 is stretched or retracted relative to the clamping seat 21, so that the extension length of the two air expansion shafts 22 can be adjusted, so as to be inserted into the inside of the coiled material of different lengths. The whole process does not need more manual intervention, and the winding and unwinding process of the coiled core of different lengths can be quickly realized.

[0039] Specifically, the structure of the clamping seat 21 and the air expansion shaft 22 of the clamping mechanism 2 is not limited, for example, the clamping seat 21 can be a square plate provided with a sliding groove, the reciprocating linear motion of the clamping seat 21 on the frame 1 is realized through the cooperation of the sliding groove and the frame 1, the air expansion shaft 22 can be a gas rod with self-expansion function, or can be driven to expand and contract through an external expansion device. The air expansion shaft 22 can be provided with an air nozzle, so as to change the volume of the compressed gas in the shaft through the air nozzle to expand and retract, so as to realize the clamping or releasing of the coiled material. The structure of the supporting mechanism 3 is not limited, for example, it can be a square seat provided with a positioning groove, the positioning groove can be an arc-shaped or C-shaped groove, and the arc of the arc-shaped groove can be adjusted according to the outer diameter of the coiled material.

[0040] When loading, the two inflatable shafts 22 are contracted in the direction away from each other to reserve space above the supporting mechanism 3, and the coil material is first fixed on the supporting mechanism 3 by a manual forklift or AGV (automatic guided vehicle), and then the forklift or AGV is withdrawn; then the two inflatable shafts 22 are extended in the direction close to each other, so that the ends of the two inflatable shafts 22 are respectively extended to the inside of both ends of the coil material. At this time, a proper amount of gas can be injected into the air nozzle on the inflatable shaft 22 to make the inflatable shaft 22 expand and clamp the coil material, and at this time the weight of the coil material is borne by the two inflatable shafts 22, and after the winding or unwinding action of the coil material is completed by the inflatable shaft 22, the gas is released through the air nozzle, and the inflatable shaft 22 will contract to release the coil material.

[0041] In the embodiment of the utility model, please refer to Figure 2 and Figure 3 The clamping mechanism 2 further comprises an inflatable chuck 23, which is arranged at one end of the inflatable shaft 22 away from the clamping seat 21 and is used to extend into the inside of the winding core of the coil material. One end of the inflatable shaft 22 is movably connected with the clamping seat 21, and the other end extends to the inflatable chuck 23 and is connected therewith, forming a continuous telescopic structure. The inflatable chuck 23 can be a tubular structure with an internal cavity, and an inflatable air bag is arranged in the inside thereof. When the air bag is inflated and expanded, the diameter of the chuck increases, so as to clamp the winding core; on the contrary, when the air bag is deflated and contracted, the diameter of the chuck decreases, so as to release the winding core. The air path system of the inflatable chuck 23 comprises an air nozzle, an air valve and an air pipe, which are used to control the inflow and outflow of the gas, so as to control the clamping and releasing of the chuck. The inflatable chuck 23 can automatically adjust the clamping range according to the diameter of the winding core, adapt to winding cores of different sizes, so as to provide more stable clamping force to the winding core, and prevent the coil material from sliding or shifting when rotating at high speed.

[0042] In the embodiment of the utility model, please refer to Figure 2, the winding and unwinding rotary tower device 100 further comprises a first driving mechanism 4, the first driving mechanism 4 is arranged on the clamping seat 21, and the first driving mechanism 4 is connected with the clamping seat 21 and the frame 1 to drive the clamping seat 21 to move linearly reciprocatingly along the frame 1. The first driving mechanism 4 can adopt driving modes such as electric push rod, air cylinder or hydraulic cylinder, and drives the clamping seat 21 to move linearly reciprocatingly along the frame 1 according to needs. The first driving mechanism 4 is connected with the clamping seat 21 and the frame 1 through a connecting piece, and the connecting piece can include a pin, a shaft coupling or a sliding block 92 and the like. Each clamping mechanism 2 can be separately provided with a first driving mechanism 4, and the movement of the clamping seat 21 is controlled separately, of course, linkage of the two clamping mechanisms 2 can also be controlled by a system, and the first driving mechanism 4 is provided with a control system such as a servo motor 42 controller or a pneumatic control system to accurately control the movement speed and position of the clamping seat 21. Alternatively, the two clamping mechanisms 2 can also share one first driving mechanism 4, and the linkage of the two clamping mechanisms 2 is simultaneously controlled through the setting of linkage mechanical structures, so that the two clamping mechanisms 2 do not need to be rectified.

[0043] In the embodiment of the utility model, please refer to Figure 2 , the first driving mechanism 4 includes:

[0044] Lead screw elevator 41, the lead screw of lead screw elevator 41 is installed on the side of frame 1 towards clamping seat 21, and

[0045] Servo motor 42, installed on clamping seat 21, servo motor 42 is driven to be connected with the nut in lead screw elevator 41, so that the nut moves along the axial movement of lead screw, to drive clamping seat 21 to move linearly reciprocatingly on frame 1.

[0046] Specifically, lead screw elevator 41 includes long lead screw and nut, the lead screw is installed on the side of frame 1 towards clamping seat 21, and the nut is connected with the output shaft of servo motor 42. Servo motor 42 is installed on clamping seat 21, and the accurate control of the nut along the axial movement of lead screw is realized by accurately controlling the rotating speed and rotating direction of servo motor 42. Servo motor 42 is driven to be connected with the nut in lead screw elevator 41 through shaft coupling or speed reducer, to ensure the accuracy and stability of power transmission. Lead screw elevator 41 converts the rotary motion of servo motor 42 into linear motion, efficiently transmits power, realizes the rapid reciprocating motion of clamping seat 21, and the whole structure is simple, easy to assemble and disassemble and maintain. Of course, in other embodiments, the first driving mechanism 4 can also be a combined driving mechanism of servo motor 42, lead screw and speed reducer or other linear transmission mechanism 7.

[0047] In the embodiment of the utility model, please refer to Figure 2The winding and unwinding turret device 100 further comprises a telescopic mechanism 5 installed on the clamping seat 21 and drivingly connected with the inflatable shaft 22 to drive the inflatable shaft 22 to extend towards the coiled material or retract away from the coiled material. The telescopic mechanism 5 can adopt a driving mode of gear and rack, hydraulic cylinder or air cylinder, etc. to drive the inflatable shaft 22 to extend and retract according to requirements. Taking the air cylinder as an example, the air cylinder can be installed on the clamping seat 21, and a piston rod is driven to extend and retract through the air cylinder. The piston rod can be connected with the inflatable shaft 22 through a coupling, gear or chain transmission device, so as to realize the extension and retraction of the inflatable shaft 22. The stroke of the air cylinder can be accurately controlled through a pneumatic control system to adapt to different operation requirements.

[0048] In the embodiment of the utility model, please refer to Figure 2 The winding and unwinding turret device 100 further comprises a second driving mechanism 6 installed on the clamping seat 21 and drivingly connected with the inflatable shaft 22 to drive the rotation of the inflatable shaft 22. The second driving mechanism 6 can adopt a servo or stepping motor, pneumatic motor, etc. to realize accurate rotation control. The second driving mechanism 6 is drivingly connected with the inflatable shaft 22 through a coupling, speed reducer, gear or belt transmission device. When the motor is adopted for driving, the motor base can be installed on the clamping seat 21. The encoder in the servo motor 42 provides accurate position feedback to ensure the accurate rotation of the inflatable shaft 22, so that the winding and unwinding speed of the coiled material is accurately controlled.

[0049] In the embodiment of the utility model, please refer to Figure 3 The winding and unwinding turret device 100 further comprises a transmission mechanism 7 arranged on the clamping seat 21 and connected with the inflatable shaft 22 and the second driving mechanism 6. The second driving mechanism 6 drives the rotation of the inflatable shaft 22 through the transmission mechanism 7. The transmission mechanism 7 can adopt various forms of gear transmission, belt transmission or chain transmission. The gear transmission can provide high torque and accurate speed control. When the gear transmission mechanism 7 is adopted, the gear transmission mechanism 7 comprises one or more pairs of meshing gear sets. The second driving mechanism 6 (such as a servo motor 42) is connected with a driving gear through a coupling. The power is transmitted to a driven gear through the meshing of the gears, and then the inflatable shaft 22 connected with the driven gear is driven to rotate.

[0050] In the embodiment of the utility model, please refer to Figure 3 The transmission mechanism 7 comprises a synchronous belt. The synchronous belt passes through the output shaft of the second driving mechanism 6 and the inflatable shaft 22. The synchronous belt can adopt steel wire or glass fiber rope as the main stretching body, and chloroprene rubber or polyurethane as the base body. The inner periphery is provided with a tooth shape, so that it is meshed with the toothed belt on the output shaft of the second driving mechanism 6 and the outside of the inflatable shaft 22 to realize the synchronous movement between the two shafts of the inflatable shaft 22 and the output shaft of the second driving mechanism 6. The transmission is stable, and the synchronous belt also has the ability of buffering and damping.

[0051] In the embodiment of the utility model, please refer to Figure 3 , support mechanism 3 includes support seat 31, support seat 31 is fixedly arranged on the side of clamping mechanism 2 towards the roll material, and support seat 31 is V-shaped structure. The two inclined planes of V-shaped structure can closely fit the side of roll material, provide uniform support force, reduce the uneven force condition of roll material, prevent the roll material from rolling or deviating in the processing. The inclination angle of the two inclined planes of V-shaped structure is not specifically defined, as long as the angle that is conducive to fitting with the roll material. Support seat 31 can be fixed on clamping seat 21 by welding, bolt connection or other fixing mode, to ensure that it can provide strong support force to the roll material.

[0052] In the embodiment of the utility model, please refer to Figure 1 And Figure 2 , the winding and unwinding turret device 100 further includes a turret shaft 8, which is arranged through along the length direction of the frame 1, and the turret shaft 8 can drive the frame 1 to rotate at a target angle. The turret shaft 8 can be a central shaft arranged along the length direction of the frame 1, which can be a solid shaft or a hollow shaft, and is arranged according to the torque and load to be borne. The turret shaft 8 can be driven by a motor, and the motor is connected with the turret shaft 8 through a coupling, a gear or a chain transmission device, to realize accurate rotation control. Through the rotation of the turret shaft 8, the rotation of the entire frame 1 is driven, so that the device can rotate within a certain angle range, for example, to switch between a preparation station and a working station, to realize the need of working at multiple positions.

[0053] In the embodiment of the utility model, please refer to Figure 3 , the winding and unwinding turret device 100 further includes a sliding mechanism 9, which includes a sliding rail 91 and a sliding block 92 slidingly arranged on the sliding rail 91. The sliding rail 91 is arranged along the length direction of the frame 1, and the sliding block 92 is fixedly arranged on the side of the clamping mechanism 2 close to the frame 1. The sliding rail 91 is arranged along the length direction of the frame 1, which can be linear or curved, and can be arranged according to the required moving range and path to provide accurate guidance and support for the movement of the sliding block 92. The surface of the sliding rail 91 can be hardened to improve wear resistance. The sliding block 92 is fixed to the clamping mechanism 2 by bolts, welding or other fixing modes, to ensure its stability during operation. The sliding block 92 can further include a ball bearing or a roller bearing to reduce friction and improve the smoothness of movement. Alternatively, one sliding block 92 is arranged at each of the upper and lower ends of the clamping mechanism 2, to ensure the stability of the sliding process.

[0054] The above merely illustrates the exemplary embodiments of the present application, and does not limit the patent scope of the present application, and any equivalent structural transformation or direct / indirect application in other related technical fields under the technical concept of the present application and by using the content of the present application specification and drawings are included in the patent protection scope of the present application.

Claims

1. A roll-to-roll turret apparatus, characterized by, The winding and unwinding turret device comprises: a frame; a clamping mechanism, one is arranged at each end of the frame, the clamping mechanism comprises a clamping seat and an inflatable shaft, the clamping seat is slidably arranged on the frame, one end of the inflatable shaft is movably connected with the clamping seat, the other end of the inflatable shaft in the two clamping mechanisms is stretched towards each other or retracted away from each other; and a supporting mechanism, one is fixedly arranged on each of the two clamping seats, the two supporting mechanisms are used for supporting the two ends of the roll respectively, and the supporting mechanism moves synchronously with the clamping seat.

2. The roll-fed turret apparatus of claim 1, wherein, The clamping mechanism further comprises an inflatable chuck, which is arranged at one end of the inflatable shaft away from the clamping seat and is used for extending into the interior of the roll.

3. The roll-fed turret apparatus of claim 2, wherein, The winding and unwinding turret device further comprises a first driving mechanism, which is arranged on the clamping seat, and the first driving mechanism connects the clamping seat and the frame to drive the clamping seat to move linearly reciprocatingly along the frame.

4. The roll-fed turret apparatus of claim 3, wherein, The first driving mechanism comprises: a screw rod elevator, the screw rod of the screw rod elevator is installed on one side of the frame towards the clamping seat; and a servo motor, which is installed on the clamping seat, the servo motor is drivingly connected with the nut in the screw rod elevator, so that the nut moves along the axial direction of the screw rod to drive the clamping seat to move linearly reciprocatingly on the frame.

5. The roll-fed turret apparatus of claim 2, wherein, The winding and unwinding turret device further comprises a telescopic mechanism, which is installed on the clamping seat and drivingly connected with the inflatable shaft to drive the inflatable shaft to extend towards the roll or retract away from the roll.

6. The roll-fed turret apparatus of claim 2, wherein, The winding and unwinding turret device further comprises a second driving mechanism, which is installed on the clamping seat and drivingly connected with the inflatable shaft to drive the rotation of the inflatable shaft.

7. The roll-fed turret apparatus of claim 6, wherein, The winding and unwinding turret device further comprises a transmission mechanism, which is arranged on the clamping seat and connected with the inflatable shaft and the second driving mechanism, and the second driving mechanism drives the rotation of the inflatable shaft through the transmission mechanism.

8. The roll-fed turret apparatus of claim 7, wherein, The transmission mechanism comprises a synchronous belt, which passes through the output shaft of the second driving mechanism and the inflatable shaft.

9. A roll-fed turret apparatus as claimed in any one of claims 1 to 8, wherein, The supporting mechanism comprises a supporting seat, which is fixedly arranged on one side of the clamping mechanism towards the roll, and the supporting seat is in V-shaped structure; and / or, The winding and unwinding turret device further comprises a turret shaft, which is arranged through along the length direction of the frame, and the turret shaft can drive the frame to rotate at a target angle.

10. A roll-fed turret apparatus as claimed in any one of claims 1 to 8, wherein, The winding and unwinding turret device further comprises a sliding mechanism, which comprises a sliding rail and a sliding block slidably arranged on the sliding rail, the sliding rail is arranged along the length direction of the frame, and the sliding block is fixedly arranged on one side of the clamping mechanism close to the frame.

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