CN218892762U

CN218892762U - Automatic film winding device

Info

Publication number: CN218892762U
Application number: CN202223210223.XU
Authority: CN
Inventors: 叶敏生; 叶健新; 郭正苗; 邝浩东
Original assignee: Foshan City Nanhai District Jingdong Machinery Co ltd
Current assignee: Foshan City Nanhai District Jingdong Machinery Co ltd
Priority date: 2022-12-01
Filing date: 2022-12-01
Publication date: 2023-04-21
Anticipated expiration: 2032-12-01

Abstract

An automatic film winding device comprises a frame, a winding assembly and a feeding mechanism; the frame is provided with a positioning part; the winding assembly comprises a C-shaped rotating disc and a driving unit, and a pulling end is formed on the rotating disc; the feeding mechanism comprises a mounting seat, a pushing assembly, a stirring assembly, a clamping assembly, a driving piece and a cutting assembly, wherein a guide chute is arranged on the mounting seat, an inlet and an outlet are respectively formed at two ends of the mounting seat, and the cutting assembly is arranged at the outlet of the guide chute; the pushing component and the clamping component are respectively positioned at two sides of the mounting seat; and in the length direction of the mounting seat, a feeding station positioned right below the pulling end is formed at the position between the stirring assembly and the outlet, and when the clamping assembly is positioned at a position separated from the pushing assembly by a certain distance, the stirring assembly is used for driving the membrane material positioned between the outlet and the clamping assembly to move along the width direction of the mounting seat in a direction away from the clamping assembly. The utility model improves the winding stability and efficiency of the packaging film.

Description

Automatic film winding device

Technical Field

The utility model relates to the technical field of film winding, in particular to an automatic film winding device.

Background

The film winding machine is generally applied to the packaging of cables, the cables are generally wound into a ring shape for the packaging of the edge cables, and then the ring-shaped outer part of the cables by the film winding machine is wrapped with film materials so as to play a role in fixing the cables, and meanwhile the purposes of dust prevention and moisture prevention are achieved, so that the film winding machine is used for wrapping the film materials outside the cables, and the film winding machine is a necessary procedure before the cables are put into a warehouse and transported.

Because the cable is annular, when packing it, will wrap the membrane and pass from the annular hole of cable, consequently, current automatic winding membrane device is usually with the motion of C shape carousel drive packaging film, with the outside winding packaging film of cable, for example, the annular automatic winding membrane machine that has been disclosed in the patent document of publication No. CN104443483, it rotates with the pulling membrane material through having open-ended ring gear carousel, then twine the membrane material on the cable, in this patent document, pass through the clamp material mechanism, send the membrane material between ring gear carousel's the opening and the annular goods, the structure of clamp material mechanism is complicated, in membrane material winding process, clamp material mechanism need dodges the ring gear carousel after doing many times, result in packing inefficiency, and clamp material mechanism is because there is certain offset with ring gear carousel's opening, it pulls membrane material motion to lead to ring gear carousel when rotating in the middle part of membrane material width direction, very difficult to lead to the membrane material to take place the skew even to lose efficacy on the cable, need to correct the manual work after the membrane material is twined and can continue the winding of membrane material.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model aims to provide an automatic film winding device which can improve the efficiency and the stability of externally winding packaging films of annular products.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an automatic film winding device comprises a frame, a winding assembly and a feeding mechanism;

the frame is provided with a positioning part for placing the annular product;

the winding assembly comprises a C-shaped rotating disc and a driving unit for driving the rotating disc to rotate, one end of the rotating disc, which is positioned at the upper part of the C-shaped opening of the rotating disc, forms a pulling end, and the pulling end is positioned above the positioning part;

the feeding mechanism comprises a mounting seat, a pushing assembly, a stirring assembly, a clamping assembly, a driving piece and a cutting assembly which are fixed on the frame, wherein a guide chute is arranged on the mounting seat, an inlet and an outlet are respectively formed at two ends of the guide chute in the length direction of the mounting seat, and the cutting assembly is arranged at the outlet of the guide chute; the pushing component and the clamping component are respectively positioned at two sides of the mounting seat, the pushing component is used for pushing the film material in the guide chute to the clamping component so as to enable the clamping component to clamp the film material, the driving piece is used for driving the clamping component to move along the length direction of the mounting seat so as to enable the clamping component and the pushing component to be positioned at the same position along the length direction of the mounting seat, or driving the clamping component to move in a direction far away from the inlet so as to enable the clamping component and the pushing component to be separated by a certain distance along the length direction of the mounting seat; and in the length direction of the mounting seat, a feeding station positioned right below the pulling end is formed at the position between the stirring assembly and the outlet, and when the clamping assembly is positioned at a position separated from the pushing assembly by a certain distance, the stirring assembly is used for driving the membrane material positioned between the outlet and the clamping assembly to move along the width direction of the mounting seat in a direction away from the clamping assembly.

The clamping assembly comprises a sliding block and a movable block arranged on the sliding block, the sliding block can slide along the length direction of the mounting seat, the movable block is arranged on the sliding block in a sliding manner and can move relative to the sliding block along the length direction of the mounting seat, a clamping groove is formed between the sliding block and the movable block, and when the clamping assembly and the pushing assembly are positioned at the same position along the length direction of the mounting seat, an opening of the clamping groove is positioned at one side of the guide groove; the pushing component comprises a pushing block and a first air cylinder, wherein the first air cylinder is used for driving the pushing block to move between a position located on the other side of the guide chute and a position located in the clamping groove along the width direction of the guide chute.

The slide block is provided with a through groove extending from the upper surface to the lower surface, one side of the through groove, which is close to the guide groove, is provided with a gap, and the end wall, which is far away from the inlet of the guide groove, of the through groove is provided with a first clamping surface; the movable block is provided with a lug embedded in the through groove, a second clamping surface is formed on the lug opposite to the first clamping surface, and the clamping groove is surrounded by the second clamping surface and the first clamping surface and is opposite to the notch.

The sliding block is also provided with a guide groove with the extending direction consistent with the length direction of the mounting seat, and the movable block is provided with a guide block which is slidably embedded in the guide groove.

The first clamping surface and/or the second clamping surface are provided with convex teeth.

One side of the mounting seat is fixedly provided with a guide seat, the guide seat is provided with a sliding groove with the extending direction consistent with the length direction of the mounting seat, the sliding block is slidably arranged in the sliding groove, the driving piece is a second cylinder with a cylinder body part connected to the guide seat, and the telescopic rod of the second cylinder is connected to the movable block.

The poking assembly comprises a poking rod arranged on the guide seat and a third air cylinder used for driving the poking rod to move along the width direction of the installation seat.

The cutting assembly comprises a cutting knife arranged on the mounting seat and positioned at the outlet, and a fourth air cylinder for driving the cutting knife to move up and down.

The frame is provided with a discharging roller for installing film coil stock and a plurality of guide rollers for guiding the film material and enabling the film material to penetrate from an inlet of the guide chute.

The machine frame is provided with a plurality of rotating shafts extending along the height direction and pivoted with the machine frame, and a driving mechanism for driving the rotating shafts to rotate, and the rotating shafts are circumferentially arrayed and jointly enclosed into a positioning part; the machine frame is also provided with an adjusting component for adjusting the position of the rotating shaft on the machine frame.

The utility model has the beneficial effects that:

compared with the prior art, the packaging film is conveyed by adopting the feeding mechanism, the packaging film is clamped by the clamping mechanism, and is transversely stirred by the stirring assembly after being pulled, so that the packaging film can be positioned at a feeding station and under a pulling end in a tensioned state, and thus, when the rotating disc rotates, the pulling end on the rotating disc can accurately pull the packaging film at the feeding station, the packaging film positioned between the clamping assembly and the stirring assembly is stirred to be in a contracted state and is obliquely arranged, the adhesive force between the packaging film and the surface of an annular product is increased when the packaging film is wrapped, the packaging film is prevented from being deviated and even slipping and losing efficacy when being wound on a cable, and the winding stability of the packaging film is improved; meanwhile, the feeding mechanism does not need to make multiple actions for avoiding the rotating disc, and the wrapping efficiency of the packaging film is improved.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic diagram of the engagement of the feed mechanism of the present utility model with a winding assembly of the winding assembly;

FIG. 3 is a schematic view of the feeding mechanism of FIG. 2;

FIG. 4 is a schematic view of the clamping assembly of FIG. 3;

FIG. 5 is a schematic view of the installation of the clamping assembly of FIG. 3;

fig. 6-10 are schematic views of the working state of the present utility model.

Detailed Description

The utility model is further described below with reference to the drawings and detailed description:

as shown in fig. 1, 2, 3, 4 and 5, an automatic film winding device according to the present utility model is used for winding a packaging film outside an annular product, and this embodiment will be described in detail with respect to the packaging of a cable, and the automatic film winding device includes a frame 10, a winding assembly, and a feeding mechanism 30, where the frame 10 is an installation base portion of the whole device, and a positioning portion 101 is provided on the frame, where the positioning portion 101 is used for placing the annular cable, and supporting and positioning the cable; the winding assembly comprises a rotating disc 20 and a driving unit for driving the rotating disc to rotate, wherein the driving unit is used for driving the rotating disc 20 to rotate, the rotating disc 20 is in a C shape, one end of the upper part of a C-shaped opening is provided with a pulling end 21, the upper part of a positioning part 101 of the pulling end 21 is provided with a relative position of the rotating disc 20 and the positioning part 101, and the situation that the pulling end 21 can pass through a hole in the middle of a cable when the rotating disc 20 rotates is required to be satisfied, so that the rotating disc 20 cannot interfere with the cable, which is the same as the prior art and is not described in detail herein.

The feeding mechanism 30 of the present utility model includes a mounting seat 31, a pushing component, a pulling component, a clamping component, a driving component and a cutting component, wherein the mounting seat 31 is fixed on the frame 10 and is located below the positioning portion 101, a guide groove 311 is provided on the mounting seat 31, the extending direction of the guide groove 311 is consistent with the length direction (i.e. X direction in the drawing) of the mounting seat 31, the guide groove 311 extends from the front end of the mounting seat 31 to the rear end of the mounting seat 31, an inlet 312 is formed at the front end of the mounting seat 31, an outlet 313 is formed at the rear end of the mounting seat 31, for convenience of processing, a groove is processed on the upper surface of the mounting seat 31 by a machining process, two ends of the groove extend to the front end and the rear end of the mounting seat 31 respectively, a cover plate 310 is fixed on the mounting seat 31, the upper opening of the groove is covered, the cover plate 310 and the inner wall of the groove is used to enclose the guide groove 311, and the packaging film can be penetrated into the guide groove 311 through the inlet 312 and be penetrated out from the outlet 313. A cutting assembly is mounted at the outlet 313 of the chute 311, which cutting assembly can be used to cut the packaging film at the outlet 313 of the chute 311. The pushing component and the clamping component are respectively positioned at two sides of the mounting seat, the pushing component is used for pushing the packaging film positioned in the guide chute 311 to the clamping component, namely, after the packaging film which is originally in an unfolding state in the guide chute 311 is pushed by the pushing component, the packaging film is in a shrinking state and is positioned at the clamping component, the packaging film in the shrinking state is clamped by the clamping component, the driving component is used for driving the clamping component to move between a first position and a second position along the X direction, when the clamping component is positioned at the first position, the clamping component and the pushing component are positioned at the same position in the length direction of the mounting seat 31, namely, the clamping component and the pushing component are oppositely arranged at two sides of the mounting seat 31, and when the driving component drives the clamping component to move to the second position, the clamping component moves for a certain distance along the length direction of the mounting seat 31 in a direction away from the inlet 312, so that the clamping component and the pushing component are separated by a certain distance along the length direction of the mounting seat 31.

In a specific embodiment, the clamping assembly includes a slider 331 and a movable block 332, the slider 331 can slide along the length direction of the mounting seat 31, the movable block 332 is mounted on the slider 331 and can move along the length direction of the mounting seat 31 relative to the slider 331, a clamping groove is formed between the slider 331 and the movable block 332, when the movable block 332 moves along the X direction relative to the slider 331, the width of the clamping groove becomes larger or smaller, when the width of the clamping groove becomes smaller, the clamping groove can be used for clamping the packaging film in a contracted state, and when the clamping assembly and the pushing assembly are positioned at the same position along the length direction of the mounting seat 31, the opening of the clamping groove is positioned at one side of the guide groove 311; the pushing component comprises a pushing block 321 and a first air cylinder 322, wherein a cylinder body of the first air cylinder 322 is fixedly connected to the mounting seat 31, a telescopic rod of the pushing component extends along the width direction (namely Y direction in the drawing) of the mounting seat 31, the pushing block 321 is mounted on the telescopic rod of the first air cylinder 322, the first air cylinder 322 can drive the pushing block 321 to reciprocate along the Y direction, namely the pushing block 321 can move to one side of the guide groove 311 from the other side of the guide groove 311 to the transverse guide groove 311, when a packaging film is clamped, the clamping component is positioned at a first position, the pushing block 321 pushes the packaging film in the guide groove 311 to enable the packaging film to shrink towards an opening close to the clamping groove until the pushing block 321 moves into the clamping groove, the packaging film in a shrinking state is extruded in the clamping groove, then the movable block 332 moves relative to the sliding block 331 to enable the width of the clamping groove to change to a minimum state, and at the moment, the packaging film in the shrinking state is clamped by the movable block 332 and the sliding block 331; specifically, a through groove 3312 extending from an upper surface to a lower surface is disposed on the slide 331, a notch 3313 is formed on a side of the through groove 3312 close to the guide groove 311, a first clamping surface 3314 is formed on an end wall of the through groove 3312 away from the inlet 312 of the guide groove 311 (i.e. a rear end wall of the through groove 3312), a protrusion 3322 is disposed on the movable block 332 and is embedded in the through groove 3312, a second clamping surface 3323 opposite to the first clamping surface 3314 is formed on a rear end wall of the protrusion 3322, the first clamping surface 3314 and the second clamping surface 3323 enclose the clamping groove, and the notch 3313 is opposite to the clamping groove, thereby the notch 3313 forms an opening of the clamping groove to communicate the clamping groove with the guide groove 311, the push block 321 pushes the packaging film from the notch 3313 between the first clamping surface 3314 and the second clamping surface 3323, the push block 321 is driven by the second cylinder 322 to reset, and the second clamping surface 3323 moves toward the first clamping surface 3314 to clamp the packaging film in a contracted state. After the shrink-wrapped film is clamped by the clamping assembly, the driving member drives the clamping assembly to move from the first position to the second position, during which the wrapping film is pulled by the driving member to move along the length direction of the mounting seat 31, in order to make the clamping assembly have a relatively large stroke to pull the shrink-wrapped film, a guide seat 37 may be fixed on one side of the mounting seat 31, the guide seat 37 extends backwards along the X direction for a certain distance, a sliding groove 371 extending along the X direction is provided on the guide seat 37, the sliding block 331 is slidably mounted in the sliding groove 371, the driving member is a second cylinder 34, a cylinder portion of the second cylinder 34 is fixed at the rear end of the guide seat 37, the telescopic rod of the second cylinder 34 is connected to the movable block 332, the second cylinder 34 can drive the movable block 332 to move backwards along the X direction, so that the second clamping surface 33123 on the movable block 332 approaches the first clamping surface 3314 to clamp the shrink-wrapped film, and when the second clamping surface 3323 clamps the first clamping surface 3314, the second cylinder 331 is pulled backwards to move the telescopic rod 34, and then the wrapping film is continuously clamped. After the packaging film is clamped by the sliding block 331 and the movable block 332, the driven piece drives the film material to move along the X direction in a direction away from the inlet 312, so that the clamping assembly is driven to pull the film material to move along the X direction. The stirring assembly is positioned at the rear side of the outlet 313 and is spaced from the outlet 313 in the X direction, a feeding station is formed at the position between the stirring assembly and the outlet 313 and is positioned right below the pulling end 21 of the rotating disc 20, the stirring assembly comprises a stirring rod 361 and a third air cylinder 362, the cylinder body of the third air cylinder 362 is fixed on the guide seat 37, the telescopic rod of the third air cylinder 362 extends along the Y direction, and the stirring rod 361 is arranged on the telescopic rod of the third air cylinder 362, so that the stirring rod 361 can be driven to move along the Y direction by the third air cylinder 362; when the clamping assembly is displaced to the second position, the packaging film penetrating out of the outlet 313 is tensioned by the clamping assembly, but the packaging film is in a contracted state and deviates from the extending direction of the guide groove 311, at the moment, the third cylinder 362 is started to drive the stirring rod 361 to move along the Y direction, so that the stirring rod 361 can stir the packaging film between the clamping assembly and the outlet 313 along the Y direction, and the packaging film moves along the Y direction in a direction far away from the clamping assembly, so that the packaging film between the stirring assembly and the outlet 313 is pushed to be positioned in the extending direction of the guide groove 311, and the packaging film is positioned at a processing and feeding station of the packaging film, namely, positioned right below the pulling end 21.

The sliding block 331 is further provided with a guide groove 3311, the extending direction of the guide groove 3311 is consistent with the length direction of the mounting seat 31, the movable block 332 is provided with a guide block 3321, the guide block 3321 is embedded in the guide groove 3311 in a sliding manner, the movable block 332 is guided by the guide groove 3311 and the guide block 3321, the movable block 332 is prevented from deflecting, and therefore the movable block 332 and the sliding block 331 can clamp a packaging film; in order to enable the movable block 332 and the slide 331 to further clamp the packaging film, the clamping assembly is prevented from being separated from the packaging film when the packaging film is pulled, the first clamping surface 3314 is provided with convex teeth, however, the second clamping surface 3323 may be provided with convex teeth, or the first clamping surface 3314 and the second clamping surface 3323 may be provided with convex teeth at the same time.

In other embodiments, the telescopic rod of the second air cylinder 34 may be connected to the slide 331, a spring may be disposed between the slide 331 and the movable block 332, the elastic stress of the spring makes the second clamping surface 3323 on the movable block 332 and the first clamping surface 3314 on the slide 331 always in a clamping state, when the packaging film is clamped, the push block 332 moves towards the direction approaching to the clamping assembly, the push block 332 pushes the first clamping surface 3314 and the second clamping surface 3323 apart, the packaging film is sent between the first clamping surface 3314 and the second clamping surface 3323, and after the push block 332 is reset, the spring rebounds, so that the first clamping surface 3314 and the second clamping surface 3323 are closed again to clamp the packaging film in a contracted state.

The cutting assembly comprises a cutting knife 351 and a fourth air cylinder 352, wherein the cutting knife 351 is arranged on the mounting seat 31 and is positioned at the outlet 313, the cylinder body part of the fourth air cylinder 352 is fixed on the mounting seat 31, the telescopic rod of the fourth air cylinder extends upwards, the cutting knife 351 is fixed on the telescopic rod of the fourth air cylinder 352, the fourth air cylinder 352 can drive the cutting knife 351 to move up and down, and when the cutting knife 351 moves downwards, the packaging film positioned at the outlet 313 can be cut off.

In the utility model, a frame 10 is provided with a discharging roller 61 for placing and installing film coil materials and a plurality of guide rollers 62, a packaging film coil material is placed on the discharging roller 61, packaging films are guided and tensioned by the plurality of guide rollers 62 and then enter a guide groove 311 through an inlet 312, a vertical plate 60 is fixed on the frame 10 for facilitating installation, the discharging roller 61 and the plurality of guide rollers 62 are both arranged on the vertical plate 60, and a feeding mechanism 30 is integrally positioned at one side of the top of the vertical plate 60.

A plurality of rotating shafts 40 are arranged on the frame 10, the rotating shafts 40 extend along the height direction and are pivoted on the frame 10, the plurality of rotating shafts 40 are circumferentially arrayed, in addition, a driving unit 41 for driving the rotating shafts 40 to rotate is also arranged on the frame 10, the plurality of rotating shafts 40 enclose a positioning part 101, when a packaging film is wound on a cable, an annular cable is arranged in the positioning part 101, the outer periphery of the cable is contacted with the plurality of rotating shafts 40, and when the driving unit 41 drives the rotating shafts 41 to rotate, the rotating shafts 40 can be driven to rotate by friction force between the rotating shafts 40 and the cable, and in order to increase friction force between the rotating shafts 40 and the cable, vertically extending lines can be formed on the surface of the rotating shafts 40; in addition, in order to adapt to cable packages with different sizes, the rotating shaft 40 may be mounted on a movable support, the movable support is movably mounted on the frame 10, the movable support is driven to move by the adjusting component 50, the position of the rotating shaft 40 on the frame 10 is adjusted, then the size of the positioning portion 101 is changed, and the adjusting component may be a screw rod transmission mechanism driven by a hand wheel.

Referring to fig. 6 to 10, when the automatic film winding device of the present utility model is operated, a roll of packaging film is mounted on a discharge roller, as shown in fig. 6, packaging film 70 is threaded into a guide chute 311 from an inlet 312, a cable is placed in a positioning portion 101, and packaging film 70 is in an unfolded state in guide chute 311; as shown in fig. 7, after the first cylinder 322 is started to push the push block 321 to squeeze the packaging film 70 into the clamping groove, the first cylinder 322 drives the push block 321 to reset; as shown in fig. 8, the second air cylinder 34 is started, the movable block 332 is pulled to move backwards, the second clamping surface 3323 on the movable block 332 approaches the first clamping surface 3314 on the sliding block 331 and clamps the packaging film in the contracted state, when the second air cylinder 34 continues to pull the movable block 332 backwards, the sliding block 331 simultaneously moves backwards along with the movable block 332 and pulls the packaging film backwards to the state shown in fig. 9, and at the moment, the part of the packaging film positioned at the feeding station a is deviated from the guide groove 311; referring to fig. 10, the third cylinder 362 is started to drive the deflector rod 361 to push the packaging film to move, so that the part of the packaging film located at the feeding station a is opposite to the guide groove 311 and located right below the pulling end 21, the rotating disc 20 rotates, the pulling end 21 pulls the packaging film at the feeding station a downwards, meanwhile, the second cylinder 34 pushes the movable block 332 backwards to enable the clamping assembly to loosen the packaging film, the pulling end 21 drives the packaging film to move around the cable, the cable is wound, meanwhile, the plurality of rotating shafts 40 rotate to drive the cable to rotate, after the cable rotates for one circle, the packaging film is wound on the outside of the cable, the fourth cylinder 352 drives the cutting knife 351 to move downwards to cut off the packaging film, and the packaging film is ready for winding the next cable.

In the state shown in fig. 10, the packaging film 70 is carried in place after being pulled and stirred, so that the first section 71 of the packaging film 70 at the feeding station a is in a semi-unfolded state and faces the pulling end 21, the packaging film 70 and the pulling end 21 have a larger contact surface, when the pulling end 21 can pull the packaging film 70 downwards, the packaging film 70 is not easy to separate from the packaging film 70, meanwhile, the second section 72 of the packaging film 70 between the stirring rod 361 and the clamping assembly is in a contracted state and is in an inclined state, a larger included angle is formed between the second contracted section 72 and the main body part of the packaging film 70, when the packaging film 70 is wound outside a cable, the second contracted section 72 is pressed between the unfolded packaging film 70 and the cable surface and is obliquely arranged on the cable surface, and when the packaging film 70 in the unfolded state is pressed on the second contracted section 72, the second contracted section 72 increases friction force between the packaging film 70 and the cable surface, so that when the packaging film 70 is wound, the adhesion between the packaging film 70 and the cable surface is increased, and the cable surface is similar to the case when the packaging film is wound, and the cable surface is prevented from slipping.

The foregoing is merely a preferred embodiment of the utility model, which has been described in further detail in connection with specific preferred embodiments thereof, and it is not intended that the utility model be limited to these embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. An automatic film winding device is characterized by comprising a frame, a winding assembly and a feeding mechanism;

the frame is provided with a positioning part for placing the annular product;

2. The automatic film winding device according to claim 1, wherein the clamping assembly comprises a sliding block and a movable block arranged on the sliding block, the sliding block can slide along the length direction of the installation seat, the movable block is arranged on the sliding block in a sliding manner and can move relative to the sliding block along the length direction of the installation seat, a clamping groove is formed between the sliding block and the movable block, and when the clamping assembly and the pushing assembly are positioned at the same position along the length direction of the installation seat, an opening of the clamping groove is positioned at one side of the guide groove; the pushing component comprises a pushing block and a first air cylinder, wherein the first air cylinder is used for driving the pushing block to move between a position located on the other side of the guide chute and a position located in the clamping groove along the width direction of the guide chute.

3. An automatic film winding device as claimed in claim 2, wherein the slider is provided with a through slot extending from the upper surface to the lower surface thereof, a gap is formed on one side of the through slot close to the guide slot, and a first clamping surface is formed on the end wall of the through slot away from the inlet of the guide slot; the movable block is provided with a lug embedded in the through groove, a second clamping surface is formed on the lug opposite to the first clamping surface, and the clamping groove is surrounded by the second clamping surface and the first clamping surface and is opposite to the notch.

4. An automatic film winding device as claimed in claim 3, wherein the slide block is further provided with a guide groove with an extension direction consistent with the length direction of the mounting seat, and the movable block is provided with a guide block which is slidably embedded in the guide groove.

5. An automatic film winding device according to claim 3, wherein the first clamping surface and/or the second clamping surface are provided with teeth.

6. An automatic film winding device as claimed in claim 3, wherein a guide seat is fixed on one side of the mounting seat, a sliding groove with the extending direction consistent with the length direction of the mounting seat is arranged on the guide seat, the sliding block is slidably arranged in the sliding groove, the driving member is a second cylinder with a cylinder body part connected to the guide seat, and the telescopic rod of the second cylinder is connected to the movable block.

7. The automatic film winding device according to claim 6, wherein the toggle assembly comprises a toggle lever mounted on the guide seat, and a third cylinder for driving the toggle lever to move along the width direction of the mounting seat.

8. An automatic film winding device according to claim 1, wherein the cutting assembly comprises a cutting blade mounted on the mounting base and located at the outlet, and a fourth cylinder for driving the cutting blade to move up and down.

9. An automatic film winding device as claimed in claim 1, wherein the frame is provided with a feed roll for mounting the film roll and a plurality of guide rolls for guiding the film material and penetrating the film material from the inlet of the guide chute.

10. The automatic film winding device according to claim 1, wherein the frame is provided with a plurality of rotating shafts extending in the height direction and pivoted with the frame, and a driving mechanism for driving the rotating shafts to rotate, and the rotating shafts are circumferentially arrayed and jointly enclosed into a positioning part; the machine frame is also provided with an adjusting component for adjusting the position of the rotating shaft on the machine frame.