A chain clip guide mechanism

Abstract

The application discloses a chain clamp guiding mechanism, which comprises a mounting frame, a first translation mechanism arranged on the mounting frame, a movable sprocket assembly arranged on the extending end of the first translation mechanism, a fixed sprocket assembly arranged on the mounting frame and a follow-up guiding mechanism arranged between the movable sprocket assembly and the fixed sprocket assembly. The movable sprocket assembly comprises a slide seat with adjustable position and a movable sprocket rotationally connected with the slide seat. The fixed sprocket assembly comprises a mounting base and a fixed sprocket rotationally connected with the mounting base. The follow-up guiding mechanism comprises a fixed frame rotationally connected with the mounting base, a movable frame rotationally connected with the slide seat and a butt joint track arranged on the fixed frame. A telescopic assembly is arranged between the butt joint track and the movable frame. The butt joint track is always located on the tangent line of the fixed sprocket and the movable sprocket. The chain clamp guiding mechanism provided by the application supports the chain by arranging the butt joint track always located on the tangent line of the fixed sprocket and the movable sprocket, so that the movement of the chain is smooth, and the structure is compact.

Description

Technical Field

[0001] This invention relates to the field of horizontal stretching machine equipment technology, and in particular to a chain clamp guiding mechanism. Background Technology

[0002] In the film production process, after a continuous film is produced by a casting machine, it needs to be stretched longitudinally and laterally. A transverse stretching machine is a device for laterally stretching the film, mainly composed of tracks, chains, sprocket mechanisms, and clamps. Lateral stretching of the sheet is achieved by gradually increasing the distance between two rows of tracks. The transverse stretching machine has two driven sprocket assemblies at its inlet and two driving sprocket assemblies at its outlet. A chain is fitted onto one driving sprocket assembly and one driven sprocket assembly, and multiple clamps are fixed to the chain to hold the film and transport it forward.

[0003] Existing driven sprocket assemblies feature an adjustable movable sprocket and a fixed sprocket. To prevent chain sagging between these two sprockets, the distance between them must be minimized. However, this design is only suitable for films with small expansion widths. For films requiring larger expansion widths, the movable sprocket must be positioned diagonally in front of the fixed sprocket, and a transition track must be installed between them to support the chain. Even if the movable sprocket's position changes, the transition track remains near the tangent between the fixed and movable sprockets. While this structure provides chain support, it causes chain jamming when moving from the fixed sprocket and transition track to the movable sprocket, and the cross-stretching machine needs to be enlarged accordingly.

[0004] It is evident that existing technologies still need improvement and enhancement. Summary of the Invention

[0005] In view of the shortcomings of the prior art, the purpose of the present invention is to provide a chain clamp guiding mechanism that supports the chain by setting a docking track that is always located on the tangent of the fixed sprocket and the movable sprocket, so as to ensure smooth chain movement and a compact structure.

[0006] To achieve the above objectives, the present invention adopts the following technical solution:

[0007] A chain clamp guiding mechanism includes a mounting frame, a first translation mechanism mounted on the mounting frame, a movable sprocket assembly located at the extended end of the first translation mechanism, a fixed sprocket assembly mounted on the mounting frame, and a follower guiding mechanism located between the movable sprocket assembly and the fixed sprocket assembly. The movable sprocket assembly includes an adjustable slide and a movable sprocket rotatably connected to the slide. The fixed sprocket assembly includes a mounting base and a fixed sprocket rotatably connected to the mounting base. The follower guiding mechanism includes a fixed frame rotatably connected to the mounting base, a movable frame rotatably connected to the slide, and a docking rail mounted on the fixed frame. A telescopic component is provided between the docking rail and the movable frame, and the docking rail is always located on the tangent of the fixed sprocket and the movable sprocket.

[0008] Furthermore, the telescopic assembly includes a fixed seat on the movable frame, a guide rod with one end on the fixed seat, and a guide seat on the docking track, with the guide rod and guide seat slidably connected.

[0009] Furthermore, the movable sprocket assembly also includes a transverse moving plate disposed at the output end of the first translation mechanism, a longitudinal moving plate slidably disposed on the transverse moving plate, and a second translation mechanism disposed on the longitudinal moving plate; the transverse moving plate is provided with two parallel first guide rails, and the bottom of the longitudinal moving plate is provided with a first slider slidably connected to the first guide rails, and the translation direction of the longitudinal moving plate is perpendicular to the translation direction of the transverse moving plate; the slide is disposed at the output end of the second translation mechanism, and the translation direction of the slide is parallel to the translation direction of the longitudinal moving plate; the longitudinal moving plate is connected to a guide rail.

[0010] Furthermore, a first limiting block is provided at each of the two ends of the first guide rail.

[0011] Furthermore, the first translation mechanism includes a third guide rail mounted on the mounting frame, a drive motor mounted on the mounting frame, and a lead screw rotatably connected to the mounting frame. The transverse moving plate is slidably mounted on the third guide rail, the drive motor drives the lead screw to rotate, and a lead screw nut that meshes with the lead screw is provided at the bottom of the transverse moving plate.

[0012] Furthermore, the first translation mechanism also includes a displacement sensor mounted on the mounting bracket, with the extended end of the displacement sensor connected to the transverse moving plate.

[0013] Furthermore, the first translation mechanism also includes a commutator, the output end of the drive motor is connected to the input end of the commutator, the output end of the commutator is connected to a lead screw, the input end of the commutator is also connected to a connecting rod, and a handwheel is provided at the end of the connecting rod.

[0014] Furthermore, the second translation mechanism includes a second guide rail and a drive cylinder. Two parallel second guide rails are provided on the longitudinal moving plate. The bottom of the slide is provided with a second slider that is slidably connected to the second guide rail. The cylinder body of the drive cylinder is hinged to the longitudinal moving plate, and its extension rod is hinged to the slide.

[0015] Furthermore, the upper part of the slide is provided with an upper bearing seat, and the lower part is provided with a lower bearing seat. The upper bearing seat and the lower bearing seat are respectively rotatably connected to a rotating shaft through bearings. A movable sprocket is provided on the rotating shaft, and the movable frame is rotatably connected to the lower bearing seat.

[0016] Furthermore, the rotating shaft is provided with an oil injection hole, and the side wall of the rotating shaft is provided with a diversion hole that communicates with the oil injection hole. The diversion hole is used to drip lubricating oil onto the bearing. The slide block is also provided with an upper oil receiving pan located on top of the movable sprocket and a lower oil receiving pan located below the movable sprocket.

[0017] Beneficial effects:

[0018] The chain clamp guiding mechanism provided by this invention sets up a follow-up guiding mechanism between the fixed sprocket and the movable sprocket. When the position of the movable sprocket changes, the movable frame swings around the axis of the movable sprocket, and the fixed frame swings around the axis of the fixed sprocket. Under the guiding action of the telescopic component, it compensates for the change in distance between the docking track and the movable frame, so that the docking track is always located on the tangent of the fixed sprocket and the movable sprocket. The chain can smoothly enter the docking track from the fixed sprocket and enter the movable sprocket from the docking track, avoiding chain jamming. When stretching films with a large expansion width, there is no need to increase the structure of the cross-stretching machine accordingly, making the structure of the cross-stretching machine more compact. Attached Figure Description

[0019] Figure 1 The structural diagram of the chain clamp guide mechanism provided by the present invention.

[0020] Figure 2 The structural diagram of the chain clamp guide mechanism provided by the present invention.

[0021] Figure 3 This is a structural diagram of the follower guide mechanism in the chain clamp guide mechanism provided by the present invention.

[0022] Figure 4 The diagram shows the principle structure of the follower guide mechanism in the chain clamp guide mechanism provided by the present invention.

[0023] Figure 5 This is a structural diagram of the connection between the central docking track and the chain in the chain clamping guide mechanism provided by the present invention.

[0024] Figure 6 This is a bottom view of the chain clamp guide mechanism provided by the present invention.

[0025] Figure 7 This is a side view of the movable sprocket assembly 3 in the chain clamp guide mechanism provided by the present invention.

[0026] Figure 8 for Figure 7 EE sectional view.

[0027] Key component symbols: Mounting bracket 1, First translation mechanism 2, Third guide rail 21, Drive motor 22, Lead screw 23, Lead screw nut 24, Displacement sensor 25, Reversing device 26, Connecting rod 27, Handwheel 28, Third slider 29, Movable sprocket assembly 3, Slide block 31, Upper bearing seat 311, Lower bearing seat 312, Top plate 313, Bottom plate 314, First side plate 315, Second side plate 316, Hole plug 317, Movable sprocket 32, Lateral moving plate 33, First guide rail 331, First slider 3 32, First limiting block 333, Longitudinal moving plate 34, Second translation mechanism 35, Second guide rail 351, Drive cylinder 352, Second slider 353, Rotating shaft 36, Diverter hole 361, Upper oil pan 37, Lower oil pan 38, Fixed sprocket assembly 4, Mounting seat 41, Fixed sprocket 42, Follow-up guide mechanism 5, Fixed frame 51, Movable frame 52, Docking rail 53, Telescopic assembly 54, Fixed seat 541, Guide rod 542, Guide seat 543, Guide rail 6, Chain a, Clamping device b. Detailed Implementation

[0028] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0029] Please see Figure 1-8 The present invention provides a chain clamp guiding mechanism, including a mounting frame 1, a first translation mechanism 2 disposed on the mounting frame 1, a movable sprocket assembly 3 disposed at the extended end of the first translation mechanism 2, a fixed sprocket assembly 4 disposed on the mounting frame 1, and a follower guiding mechanism 5 disposed between the movable sprocket assembly 3 and the fixed sprocket assembly 4. The movable sprocket assembly 3 includes an adjustable slide 31 and a movable sprocket 32 ​​rotatably connected to the slide 31. The fixed sprocket assembly 4 includes a mounting base 41 and a fixed sprocket 42 rotatably connected to the mounting base 41. The follower guiding mechanism 5 includes a fixed frame 51 rotatably connected to the mounting base 41, a movable frame 52 rotatably connected to the slide 31, and a docking rail 53 disposed on the fixed frame 51. A telescopic component 54 is provided between the docking rail 53 and the movable frame 52. The docking rail 53 is always located on the tangent of the fixed sprocket 42 and the movable sprocket 32.

[0030] When adjusting the position of the movable sprocket 32, the fixed frame 51 swings around the rotation center of the mounting frame 1 and the fixed frame 51, and the movable frame 52 moves with the slide 31 and rotates around the rotation center of the slide 31 and the movable frame 52. Under the guidance of the telescopic component 54, the docking track 53 is always located on the tangent of the fixed sprocket 42 and the movable sprocket 32, so that the chain can smoothly enter the docking track 53 from the fixed sprocket 42 and enter the movable sprocket 32 ​​from the docking track 53, avoiding chain jamming. Compared with the prior art, when stretching films with a large expansion width, there is no need to increase the structure of the cross stretching machine accordingly, making the structure of the cross stretching machine more compact.

[0031] It should be noted that the axis of the movable sprocket 32 ​​is coaxial with the rotation center of the movable frame 52; the axis of the fixed sprocket 42 is coaxial with the rotation center of the fixed frame 51.

[0032] In a preferred embodiment, see [reference] Figure 3 , 4 The telescopic assembly 54 includes a fixed seat 541 mounted on the movable frame 52, a guide rod 542 with one end mounted on the fixed seat 541, and a guide seat 543 mounted on the docking track 53. The guide rod 542 and the guide seat 543 are slidably connected. When the movable sprocket 32 ​​changes position, the movable frame 52 changes position with the slide block 31, causing the guide rod 542 to slide along the guide seat 543 to compensate for the change in distance between the docking track 53 and the movable frame 52, thereby ensuring that the docking track 53 is always on the tangent of the movable sprocket 32 ​​and the fixed sprocket 42.

[0033] To improve the smoothness of the sliding of the guide rod 542 within the guide seat 543, it is preferable to install a linear bearing within the guide seat 543, with the linear bearing slidably connected to the guide rod 542.

[0034] In this embodiment, the mating structure between the docking track 53 and the chain a is as follows: Figure 5 As shown, the cross-section of the docking track 53 is a horizontally placed T-shaped structure, which can guide and support the chain a. Both the chain a and the clamping device b are existing technologies, and their specific structures and working principles will not be described in detail.

[0035] In a preferred embodiment, see [reference] Figure 2 , 7The movable sprocket assembly 3 further includes a transverse moving plate 33 located at the output end of the first translation mechanism 2, a longitudinal moving plate 34 slidably mounted on the transverse moving plate 33, and a second translation mechanism 35 mounted on the longitudinal moving plate 34. The transverse moving plate 33 has two parallel first guide rails 331, and the bottom of the longitudinal moving plate 34 has a first slider 332 slidably connected to the first guide rails 331, with the translation direction of the longitudinal moving plate 34 perpendicular to the translation direction of the transverse moving plate 33. A slide block 31 is located at the output end of the second translation mechanism 35, and the translation direction of the slide block 31 is parallel to the translation direction of the longitudinal moving plate 34. The longitudinal moving plate 34 is connected to a guide rail 6. The guide rail 6 guides the movement direction of the chain. The installation position of the movable sprocket 32 ​​can be adjusted via the first translation mechanism 2 and the second translation mechanism 35 to accommodate films of different widths entering the cross-stretching machine and to ensure the chain is under appropriate tension for forward film pulling.

[0036] During the transverse stretching process, the temperature inside the stretching machine rises, causing the guide rail 6 to expand and lengthen along its length, thus pushing the longitudinal moving plate 34 along the first guide rail 331. The distance it moves is determined by the length of the guide rail 6 after heating. After the production process is completed, the temperature inside the stretching machine gradually drops to room temperature, and the guide rail 6 returns to its original shape, thereby pulling the longitudinal moving plate 34 back to its original position. Through the above settings, the longitudinal moving plate 34 can adaptively translate a corresponding distance according to the changes caused by the thermal deformation of the guide rail 6, avoiding the deformation of the movable sprocket assembly 3 and the first translation mechanism 2 due to the compression of the guide rail 6, thereby ensuring the quality of the transverse stretching of the film.

[0037] In a preferred embodiment, the first guide rail 331 is provided with a first limiting block 333 at each of its two ends to prevent the first slider 332 from sliding out of the first guide rail 331.

[0038] In a preferred embodiment, see [reference] Figure 2 , 6 The first translation mechanism 2 includes a third guide rail 21 mounted on the mounting frame 1, a drive motor 22 mounted on the mounting frame 1, and a lead screw 23 rotatably connected to the mounting frame 1. The transverse moving plate 33 is slidably mounted on the third guide rail 21. The drive motor 22 drives the lead screw 23 to rotate. A lead screw nut 24 that meshes with the lead screw 23 is provided at the bottom of the transverse moving plate 33. Specifically, a third slider 29 is provided at the bottom of the transverse moving plate 33. The third guide rail 21 and the third slider 29 are slidably connected to realize that the transverse moving plate 33 slides along the third guide rail 21. The drive motor 22 drives the lead screw 23 to rotate. The lead screw 23 meshes with the lead screw nut 24 to drive the transverse moving plate 33 to move horizontally.

[0039] It is necessary to understand that, such as Figure 1, 6 As shown, the inlet end of the horizontal stretching machine is provided with two symmetrically arranged chain clamp guide mechanisms provided by the present invention. In order to realize the synchronous adjustment of the distance between the two movable sprockets 32 on the two chain clamp guide mechanisms, it is preferable that the two chain clamp guide mechanisms share a first translation mechanism 2. The screw 23 has two sections of threads with opposite directions, and the threads at both ends respectively engage with the screw nuts 24 located at the bottom of the two transverse moving plates 33, so that the two transverse moving plates 33 move synchronously towards or away from each other, thereby realizing the adjustment of the distance between the two movable sprockets 32 to be suitable for conveying films of different widths.

[0040] Further, see Figure 2 The first translation mechanism 2 also includes a displacement sensor 25 mounted on the mounting frame 1, with the extended end of the displacement sensor 25 connected to the transverse moving plate 33. The displacement sensor 25 can detect the position of the transverse moving plate 33 and feed the detection signal back to the controller of the transverse pulling machine to monitor the moving distance of the transverse moving plate 33, thereby enabling precise adjustment of the distance between the two movable sprockets 32.

[0041] To improve the flexibility of adjusting the position of the movable sprocket 32, the first translation mechanism 2 further includes a commutator 26. The output end of the drive motor 22 is connected to the input end of the commutator 26, and the output end of the commutator 26 is connected to the lead screw 23. The input end of the commutator 26 is also connected to a connecting rod 27, and a handwheel 28 is provided at the end of the connecting rod 27. With the above configuration, the distance between the two movable sprockets 32 can be adjusted by controlling the drive motor 22 and rotating the handwheel 28, providing high operational flexibility.

[0042] In this embodiment, the preferred commutator 26 is a worm gear commutator. The input end of the worm gear commutator is a worm, which is connected to the drive motor 22 and the connecting rod 27. The output end of the worm gear commutator is a worm wheel, which drives the lead screw 23 to rotate.

[0043] In a preferred embodiment, see [reference] Figure 7 The second translation mechanism 35 includes a second guide rail 351 and a drive cylinder 352. Two parallel second guide rails 351 are mounted on the longitudinal moving plate 34. The bottom of the slide block 31 is provided with a second slider 353 that is slidably connected to the second guide rails 351. The second guide rails 351 serve as guides. The cylinder body of the drive cylinder 352 is hinged to the longitudinal moving plate 34, and its extension rod is hinged to the slide block 31. The extension rod of the drive cylinder 352 extends or retracts to drive the longitudinal moving plate 34 to translate along the second guide rails 351, thereby adjusting the position of the movable sprocket 32 ​​in the longitudinal direction, i.e., adjusting the tension of the chain, to ensure that the chain can smoothly pull the film forward.

[0044] Specifically, the two ends of the second guide rail 351 are respectively provided with second limiting blocks to limit the second slider 353 from sliding out of the second guide rail 351.

[0045] In a preferred embodiment, see [reference] Figure 8 The upper part of the slide 31 is provided with an upper bearing seat 311, and the lower part is provided with a lower bearing seat 312. The upper bearing seat 311 and the lower bearing seat 312 are respectively rotatably connected to a rotating shaft 36 through bearings. The movable sprocket 32 ​​is provided on the rotating shaft 36, and the movable frame 52 is rotatably connected to the lower bearing seat 312. Specifically, the slide block 31 includes a top plate 313, a bottom plate 314, a first side plate 315, and a second side plate 316. The top plate 313 and the bottom plate 314 are arranged in parallel. The first side plate 315 is perpendicularly connected to the top plate 313 and the bottom plate 314 to form a C-shaped structure. The second side plate 316 is perpendicularly connected to the first side plate 315 and also perpendicularly connected to the top plate 313 and the bottom plate 314, which increases the structural strength of the slide block 31. The upper bearing seat 311 is located on the top plate 313, and the lower bearing seat 312 is located on the bottom plate 314. The upper end of the rotating shaft 36 is rotatably connected to the upper bearing seat 311 through a bearing, and its lower end is rotatably connected to the lower bearing seat 312 through a bearing. Through the above arrangement, the stability of the installation of the rotating shaft 36 and the movable sprocket 32 ​​is improved.

[0046] Optionally, the extension rod of the drive cylinder 352 is fixed with a Y-type joint, and a hinge seat is fixed on the first side plate 315, with the Y-type joint and the hinge seat hinged together.

[0047] In this embodiment, see Figure 8 The rotating shaft 36 is provided with an oil injection hole, and a diversion hole 361 communicating with the oil injection hole is opened on the side wall of the rotating shaft 36. The diversion hole 361 is used for dripping lubricating oil onto the bearing. When lubricating oil is dripped into the oil injection hole, the lubricating oil drips into the bearing through the diversion hole 361, thus lubricating the bearing. The slide block 31 is also provided with an upper oil receiving plate 37 located on top of the movable sprocket 32 ​​and a lower oil receiving plate 38 located below the movable sprocket 32. The upper oil receiving plate 37 and the lower oil receiving plate 38 are used to receive the flowing lubricating oil to prevent the lubricating oil from flowing out or overflowing from the movable sprocket assembly 3 and adhering to the film, which would seriously affect the production quality of the film.

[0048] Furthermore, to facilitate the dripping of lubricating oil into the oil filling hole, the top of the upper bearing housing 311 has a through hole corresponding to the position of the oil filling hole, and a removable plug 317 is provided in the through hole. When filling with oil, the plug 317 is pulled out; after filling with oil, the plug 317 is replaced to prevent foreign objects from entering the bearing.

[0049] The oil filling hole is not shown in the attached drawing, but it is equipped with an oil nozzle for easy oil filling.

[0050] In this embodiment, the structure in which the fixed sprocket 42 is rotatably connected to the mounting base 41 is similar to the structure in which the movable sprocket 32 ​​is rotatably connected to the slide block 31. Specifically, refer to the structure of the slide block 31. Both the fixed frame 51 and the fixed sprocket 42 are rotatably connected to the mounting base 41, and the rotation center of the fixed frame 51 and the rotation center of the fixed sprocket 42 are coaxial. The fixed sprocket 42 is mounted on a rotating shaft rotatably connected to the mounting base 41. The fixed frame 51 is rotatably connected to the lower bearing seat located on the mounting base 41, so that when adjusting the position of the movable sprocket 32, the fixed frame 51 swings around its rotation center.

[0051] It is understood that those skilled in the art can make equivalent substitutions or changes to the technical solution and inventive concept of the present invention, and all such changes or substitutions should fall within the protection scope of the present invention.

Claims

1. A chain clamp guiding mechanism, characterized in that, The device includes a mounting frame, a first translation mechanism mounted on the mounting frame, a movable sprocket assembly located at the extended end of the first translation mechanism, a fixed sprocket assembly mounted on the mounting frame, and a follow-up guide mechanism located between the movable sprocket assembly and the fixed sprocket assembly. The movable sprocket assembly includes an adjustable slide and a movable sprocket rotatably connected to the slide. The fixed sprocket assembly includes a mounting base and a fixed sprocket rotatably connected to the mounting base. The follow-up guide mechanism includes a fixed frame rotatably connected to the mounting base, a movable frame rotatably connected to the slide, and a docking rail mounted on the fixed frame. A telescopic component is provided between the docking rail and the movable frame. The docking rail is always located on the tangent of the fixed sprocket and the movable sprocket.

2. The chain clamp guiding mechanism according to claim 1, characterized in that, The telescopic assembly includes a fixed base on the movable frame, a guide rod with one end on the fixed base, and a guide seat on the docking track, with the guide rod and guide seat slidably connected.

3. The chain clamp guiding mechanism according to claim 1, characterized in that, The movable sprocket assembly further includes a transverse moving plate located at the output end of the first translation mechanism, a longitudinal moving plate slidably located on the transverse moving plate, and a second translation mechanism located on the longitudinal moving plate; the transverse moving plate is provided with two parallel first guide rails, and the bottom of the longitudinal moving plate is provided with a first slider slidably connected to the first guide rails, and the translation direction of the longitudinal moving plate is perpendicular to the translation direction of the transverse moving plate; the slide is located at the output end of the second translation mechanism, and the translation direction of the slide is parallel to the translation direction of the longitudinal moving plate; the longitudinal moving plate is connected to a guide rail.

4. The chain clamp guiding mechanism according to claim 3, characterized in that, The first guide rail is provided with a first limiting block at each of its two ends.

5. The chain clamp guiding mechanism according to claim 3, characterized in that, The first translation mechanism includes a third guide rail mounted on the mounting frame, a drive motor mounted on the mounting frame, and a lead screw rotatably connected to the mounting frame. The transverse moving plate is slidably mounted on the third guide rail. The drive motor drives the lead screw to rotate. A lead screw nut that meshes with the lead screw is provided at the bottom of the transverse moving plate.

6. The chain clamp guiding mechanism according to claim 3, characterized in that, The first translation mechanism also includes a displacement sensor mounted on the mounting bracket, with the extended end of the displacement sensor connected to the transverse moving plate.

7. The chain clamp guiding mechanism according to claim 5, characterized in that, The first translation mechanism also includes a commutator. The output end of the drive motor is connected to the input end of the commutator. The output end of the commutator is connected to a lead screw. The input end of the commutator is also connected to a connecting rod, and a handwheel is provided at the end of the connecting rod.

8. The chain clamp guiding mechanism according to claim 3, characterized in that, The second translation mechanism includes a second guide rail and a drive cylinder. Two parallel second guide rails are provided on the longitudinal moving plate. The bottom of the slide is provided with a second slider that is slidably connected to the second guide rail. The cylinder body of the drive cylinder is hinged to the longitudinal moving plate, and its extension rod is hinged to the slide.

9. The chain clamp guiding mechanism according to claim 1, characterized in that, The upper part of the slide is provided with an upper bearing seat, and the lower part is provided with a lower bearing seat. The upper bearing seat and the lower bearing seat are respectively rotatably connected to a rotating shaft through bearings. The movable sprocket is located on the rotating shaft, and the movable frame is rotatably connected to the lower bearing seat.

10. The chain clamp guiding mechanism according to claim 9, characterized in that, The rotating shaft is provided with an oil injection hole, and the side wall of the rotating shaft is provided with a diversion hole that communicates with the oil injection hole. The diversion hole is used to drip lubricating oil onto the bearing. The slide block is also provided with an upper oil receiving pan located on top of the movable sprocket and a lower oil receiving pan located below the movable sprocket.

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