A traction device for PVC film processing

Abstract

The present invention relates to the field of film processing, and discloses a traction device for PVC film processing, including a traction support, wherein a cooling mechanism for cooling and blowing the film, a first film guiding mechanism, a second film guiding mechanism, a third film guiding mechanism, a dust removing mechanism, a fourth film guiding mechanism and a winding mechanism are sequentially arranged on the top of the traction support. The present invention provides a first dust removing assembly and a second dust removing assembly in the dust removing mechanism, and the first dust removing assembly and the second dust removing assembly are switched for use, so that when the dust sticking roller on the dust removing assembly is replaced, it will not affect the cleaning effect of the dust on the surface of the plastic film, and the first dust removing assembly and the second dust removing assembly use dust sticking rollers, and the use of the dust sticking rollers can better clean the dust on the surface of the plastic film, and the operation is convenient and the cost is low.

Description

Technical Field

[0001] The invention relates to the field of film processing, in particular to a traction device used for PVC film processing. Background Art

[0002] Films made of polyvinyl chloride, polyethylene, polypropylene, polystyrene and other resins for packaging and as coating layers;

[0003] When processing household plastic film, traction equipment is required. The current traction equipment will clean the dust on the surface of the plastic film when traction and winding the plastic film. Usually, an exhaust fan combined with a dust hood is used to clean the dust on the surface of the film. The exhaust fan combined with the dust hood has a strong dust removal wind force. Since the household film is very thin, the surface of the plastic film will shake, which will cause the position of the plastic film to shift, resulting in a poor winding effect and insufficient functionality. Summary of the invention

[0004] In order to solve the problems raised in the above background technology, the present invention provides a pulling device for PVC film processing.

[0005] The present invention provides a traction device for PVC film processing, which adopts the following technical solution:

[0006] A traction device for PVC film processing, comprising a traction support, wherein a cooling mechanism for cooling and blowing air to the film, a first film guiding mechanism, a second film guiding mechanism, a third film guiding mechanism, a dust removing mechanism, a fourth film guiding mechanism and a winding mechanism are sequentially arranged on the top of the traction support, wherein the dust removing mechanism is located between the third film guiding mechanism and the fourth film guiding mechanism, wherein the dust removing mechanism comprises a box body and a first dust removing assembly and a second dust removing assembly installed on the top of the traction support, wherein both ends of the box body are connected, and a box door for opening is arranged on one side of the box body, wherein the first dust removing assembly and the second dust removing assembly are located in the box body, and a feeding mechanism is arranged on the top of the traction support at the winding mechanism, wherein the feeding mechanism automatically feeds a winding roller into the winding mechanism to wind up the film;

[0007] The feeding mechanism includes a sixth bracket located above the traction support, two fifth cylinders are installed on the top of the sixth bracket, the output end of the fifth cylinder is connected to the support on the side wall of the material collection frame, a material collection cavity for storing the winding roller is provided in the material collection frame, and two first electric cylinders are provided at the bottom of the outer wall of the material collection frame to limit the winding roller at the bottom of the material collection cavity;

[0008] The winding mechanism includes a fifth bracket installed on the top of the traction support, a driving motor is installed on the outer wall of the fifth bracket, the output end of the driving motor is installed between the clamping joint, a clamping groove is opened on the top of the clamping joint, a second electric cylinder is installed on the outer wall of the clamping joint, and the output end of the second electric cylinder clamps the protrusions at both ends of the winding roller.

[0009] The first dust removal component includes a first L-shaped seat, a sixth cylinder is installed on the top of the first L-shaped seat, the output end of the sixth cylinder is installed on the top of the fifth U-shaped seat, a T-shaped slot is provided on the inner top wall of the fifth U-shaped seat, and a first clamping block for movement is provided in the T-shaped slot, a first pull rod passes through a convex edge on the fifth U-shaped seat, one end of the first pull rod is connected to the first clamping block, a first spring is provided at a section of the first pull rod, one end of the first spring is connected to the first clamping block, and the other end of the first spring is connected to a convex edge of the fifth U-shaped seat, a first mounting block for rotation is installed on the first clamping block and the convex edge on the other fifth U-shaped seat, a cross slot is provided on the end face of the first mounting block, and the cross slot is adapted to the cross convex edges provided at both ends of the first dust-sticking roller.

[0010] Preferably, the first dust removal assembly also includes a seventh cylinder located on the bottom support of the first L-shaped seat, the output end of the seventh cylinder is fixedly installed between the sixth U-shaped seat, a T-shaped slot is provided on the top wall of the sixth U-shaped seat, and a second clamping block for movement is provided in the T-shaped slot, a second pull rod passes through one of the convex edges of the sixth U-shaped seat, one end of the second pull rod is fixedly connected to the second clamping block, a second spring is provided at a section of the second pull rod, one end of the second spring is connected to the second clamping block, and the other end of the second spring is connected to the other convex edge on the sixth U-shaped seat, a second mounting block for rotation is installed on the second clamping block and the convex edge on the other sixth U-shaped seat, a cross slot is provided on the end face of the second mounting block, and the cross slot is adapted to the cross convex edges provided at both ends of the second dust-sticking roller.

[0011] Preferably, the second dust removal assembly includes a second L-shaped seat, an eighth cylinder is fixedly installed on the top of the second L-shaped seat, the output end of the eighth cylinder is installed on the top of the seventh U-shaped seat, a T-shaped slot is opened on the top of the seventh U-shaped seat, and a third clamping block for movement is arranged in the T-shaped slot, a third pull rod passes through one of the convex edges of the seventh U-shaped seat, one end of the third pull rod is fixedly connected to the third clamping block, a third spring is arranged at a section of the third pull rod, one end of the third spring is connected to the third clamping block, and the other end is connected to a convex edge on the seventh U-shaped seat, a third mounting block for rotation is installed on the third clamping block and the convex edge on the other seventh U-shaped seat, a cross slot is opened on the end face of the third mounting block, and the cross slot is matched with the cross convex edges arranged at both ends of the third dust-sticking roller.

[0012] Preferably, the second dust removal assembly also includes a ninth cylinder installed on the second L-shaped seat located on the bottom support of the second L-shaped seat, the output end of the ninth cylinder is installed between the eighth U-shaped seat, a T-shaped slot is provided on the top of the eighth U-shaped seat, and a fourth clamping block for movement is provided in the T-shaped slot, a fourth pull rod passes through one of the convex edges of the eighth U-shaped seat, one end of the fourth pull rod is fixedly connected to the fourth clamping block, a fourth spring is provided at a section of the fourth pull rod, one end of the fourth spring is connected to the fourth clamping block, and the other end is connected to a convex edge on the eighth U-shaped seat, a fourth mounting block for rotation is installed on the fourth clamping block and the convex edge on another eighth U-shaped seat, a cross slot is provided on the end face of the fourth mounting block, and the cross slot is adapted to the cross convex edges provided at both ends of the fourth dust-sticking roller.

[0013] Preferably, the cooling mechanism includes a first bracket installed on the top of the traction support, and a first cold air nozzle and a second cold air nozzle are installed on the first bracket. The air inlet ports on the first cold air nozzle and the second cold air nozzle are respectively connected to the air duct, and one end of the air duct is connected to the air outlet port of the air compressor.

[0014] Preferably, the first film guiding mechanism includes a second bracket installed on the top of the traction support, a first cylinder is installed on the top of the second bracket, an output end of the first cylinder is fixedly installed between the first U-shaped seat, and a first film guiding roller is installed on the first U-shaped seat.

[0015] Preferably, the second film guiding mechanism includes a third bracket installed on the top of the traction support, a second cylinder is installed on the top of the third bracket, the output end of the second cylinder is installed with the top of the second U-shaped seat, a first rotating pressure roller is installed on the second U-shaped seat, a third cylinder is installed at the bottom of the support of the third bracket, the output end of the third cylinder is fixedly installed between the third U-shaped seat, and a second film guiding roller is installed on the third U-shaped seat.

[0016] Preferably, the third film guiding mechanism includes a fourth bracket installed on the top of the traction support, a fourth cylinder is installed on the top of the fourth bracket, the output end of the fourth cylinder is fixedly installed between the fourth U-shaped seat, and the third film guiding roller is installed on the fourth U-shaped seat.

[0017] Preferably, the fourth film guiding mechanism comprises a seventh bracket installed on the top of the traction support, and the seventh bracket is provided with a second pressing roller and a third pressing roller.

[0018] In summary, the present invention includes the following beneficial technical effects:

[0019] The present invention provides a first dust removal assembly and a second dust removal assembly in the dust removal mechanism, and the first dust removal assembly and the second dust removal assembly are switched for use, so that when the dust sticking roller on the dust removal assembly is replaced, it will not affect the cleaning effect of the dust on the surface of the plastic film. The first dust removal assembly and the second dust removal assembly use the dust sticking roller, and the use of the dust sticking roller can better clean the dust on the surface of the plastic film, which is easy to operate and low in cost.

[0020] The present invention is provided with a feeding mechanism at the winding mechanism, and the feeding mechanism is provided with a fifth air cylinder, a material collecting frame and two first electric cylinders. The winding roller is stored in the material collecting frame. When the winding roller in the winding mechanism is removed, the fifth air cylinder will drive the material collecting frame to move downward. After moving the bottom of the material collecting frame to a suitable position, the output end of the first electric cylinder will retract, and the winding roller located at the bottom of the material collecting frame will fall onto the clamping joint on the fifth bracket, and the output end of the second electric cylinder will be inserted into the through holes opened on the protrusions at both ends of the winding roller, so as to clamp the winding roller and perform winding. It is easy to use and has improved flexibility. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a structural schematic diagram of a traction device for PVC film processing in an embodiment of the present invention;

[0022] Figure 2 is a schematic diagram of the internal structure of a box in an embodiment of the present invention;

[0023] Figure 3 It is a structural schematic diagram of a feeding mechanism in an embodiment of the present invention;

[0024] Figure 4 is a schematic structural diagram of a first dust removal assembly in an embodiment of the present invention;

[0025] Figure 5 In the embodiment of the present invention Figure 4 A magnified view of the structure at A;

[0026] Figure 6 is a schematic structural diagram of a second dust removal assembly in an embodiment of the present invention;

[0027] Figure 7 In the embodiment of the present invention Figure 6 Enlarged view of the structure at point B in the figure.

[0028] Description of the accompanying drawings: 1. traction support; 2. first bracket; 3. first cold air nozzle; 4. second cold air nozzle; 5. air compressor; 6. second bracket; 7. first U-shaped seat; 8. first film guide roller; 9. first cylinder; 10. third bracket; 11. second cylinder; 12. second U-shaped seat; 13. first pressure roller; 14. third cylinder; 15. third U-shaped seat; 16. second film guide roller; 17. fourth bracket; 18. fourth cylinder; 19. fourth U-shaped seat; 20. third film guide roller; 21. box; 22. fifth bracket; 23. sixth bracket; 24. fifth cylinder; 25. aggregate frame; 26. drive motor; 27. seventh bracket; 28. second pressure roller; 29. ​​third pressure roller; 30. first L-shaped seat; 31 , second L-shaped seat; 32, collecting cavity; 33, first electric cylinder; 34, clamping joint; 35, clamping groove; 36, second electric cylinder; 37, sixth cylinder; 38, fifth U-shaped seat; 39, first clamping block; 40, first pull rod; 41, first spring; 42, first dust sticking roller; 43, seventh cylinder; 44, sixth U-shaped seat; 45, second clamping block; 46, second pull rod; 47, second spring; 48, second dust sticking roller; 49, eighth cylinder; 50, seventh U-shaped seat; 51, third clamping block; 52, third spring; 53, third dust sticking roller; 54, third pull rod; 55, ninth cylinder; 56, eighth U-shaped seat; 57, fourth clamping block; 58, fourth pull rod; 59, fourth spring; 60, fourth mounting block. DETAILED DESCRIPTION

[0029] The following is combined with Figure 1-Figure 7 The present invention is described in further detail.

[0030] The embodiment of the present invention discloses a traction device for PVC film processing, comprising a traction support 1, wherein a cooling mechanism for cooling and blowing the film, a first film guiding mechanism, a second film guiding mechanism, a third film guiding mechanism, a dust removal mechanism, a fourth film guiding mechanism and a winding mechanism are sequentially arranged on the top of the traction support 1, wherein the dust removal mechanism is located between the third film guiding mechanism and the fourth film guiding mechanism, and the dust removal mechanism comprises a box 21 installed on the top of the traction support 1 and a first dust removal component and a second dust removal component, wherein the two ends of the box 21 are connected, and a door for opening is arranged on one side of the box 21. The box door, the first dust removal assembly and the second dust removal assembly are located in the box body 21. The top of the traction support 1 is located at the winding mechanism and a feeding mechanism is provided. The feeding mechanism automatically feeds the winding roller into the winding mechanism to wind the film; the feeding mechanism includes a sixth bracket 23 located above the traction support 1, and two fifth cylinders 24 are installed on the top of the sixth bracket 23. The output end of the fifth cylinder 24 is connected to the support on the side wall of the collection frame 25. The collection frame 25 is provided with a collection cavity 32 for storing the winding roller, and the outer wall of the collection frame 25 is provided at the bottom. There are two first electric cylinders 33 for limiting support of the winding roller at the bottom of the collecting chamber 32; the winding mechanism includes a fifth bracket 22 installed on the top of the traction support 1, a driving motor 26 is installed on the outer wall of the fifth bracket 22, the output end of the driving motor 26 is installed between the clamping joint 34, a clamping groove 35 is opened on the top of the clamping joint 34, and a second electric cylinder 36 is installed on the outer wall of the clamping joint 34, and the output end of the second electric cylinder 36 clamps the protrusions at both ends of the winding roller. After the winding is completed, the winding roller is removed, and then the fifth cylinder 24 works The material collecting frame 25 moves downward, and after the material collecting frame 25 moves to the appropriate position, the output end of the first electric cylinder 33 retracts, and the winding roller at the bottom of the material collecting frame 25 falls into the clamping groove 35 provided on the two clamping joints 34, and the output end of the second electric cylinder 36 is inserted into the through hole provided on the protrusions at both ends of the winding roller, and the winding roller is clamped and fixed. When the winding roller in the material collecting frame 25 falls, the output end of the first electric cylinder 33 is quickly inserted into the through hole provided on the protrusions at both ends of the corresponding winding roller, waiting for the next feeding work.

[0031] See also Figure 1 , Figure 3 , Figure 4 , Figure 5 and Figure 6The first dust removal assembly includes a first L-shaped seat 30, a sixth cylinder 37 is installed on the top of the first L-shaped seat 30, the output end of the sixth cylinder 37 is installed on the top of the fifth U-shaped seat 38, a T-shaped groove is provided on the inner top wall of the fifth U-shaped seat 38, and a first clamping block 39 for movement is provided in the T-shaped groove, a first pull rod 40 is passed through a convex edge on the fifth U-shaped seat 38, one end of the first pull rod 40 is connected to the first clamping block 39, a first spring 41 is provided at a section of the first pull rod 40, one end of the first spring 41 is connected to the first clamping block 39, and the other end of the first spring 41 is connected to a convex edge of the fifth U-shaped seat 38, the first clamping block 39 and another convex edge on the fifth U-shaped seat 38 A first mounting block for rotation is installed, a cross groove is provided on the end surface of the first mounting block, and the cross groove is matched with the cross convex edges provided at both ends of the first dust-sticking roller 42. The first dust removal component also includes a seventh cylinder 43 located on the bottom support of the first L-shaped seat 30, and the output end of the seventh cylinder 43 is fixedly installed between the sixth U-shaped seat 44, a T-shaped groove is provided on the top wall of the sixth U-shaped seat 44, and a second clamping block 45 for movement is provided in the T-shaped groove, a second pull rod 46 is passed through one of the convex edges of the sixth U-shaped seat 44, one end of the second pull rod 46 is fixedly connected to the second clamping block 45, a second spring 47 is provided at a section of the second pull rod 46, and one end of the second spring 47 is connected to the second clamping block 45, The other end of the second spring 47 is connected to the other convex edge on the sixth U-shaped seat 44, and the second clamping block 45 and the convex edge on the other sixth U-shaped seat 44 are both equipped with a second mounting block for rotation, and a cross groove is provided on the end surface of the second mounting block, and the cross groove is adapted to the cross convex edges provided at both ends of the second dust-sticking roller 48. The second dust removal assembly includes a second L-shaped seat 31, and an eighth cylinder 49 is fixedly installed on the top of the second L-shaped seat 31. The output end of the eighth cylinder 49 is installed on the top of the seventh U-shaped seat 50. A T-shaped groove is provided on the top of the seventh U-shaped seat 50, and a third clamping block 51 for movement is provided in the T-shaped groove. A third pull rod 54 is passed through one of the convex edges of the seventh U-shaped seat 50, and the third pull rod 54 is One end is fixedly connected to the third clamping block 51, a third spring 52 is arranged at a section of the third pull rod 54, one end of the third spring 52 is connected to the third clamping block 51, and the other end is connected to a convex edge on the seventh U-shaped seat 50, the third clamping block 51 and the convex edge on the other seventh U-shaped seat 50 are both installed with a third mounting block for rotation, a cross groove is provided on the end face of the third mounting block, and the cross groove is adapted to the cross convex edges provided at both ends of the third dust-sticking roller 53, the second dust removal assembly also includes a ninth cylinder 55 installed on the second L-shaped seat 31 at the bottom support of the second L-shaped seat 31, the output end of the ninth cylinder 55 is installed between the eighth U-shaped seat 56, and the top of the eighth U-shaped seat 56 is provided with a T-shaped groove,A fourth clamping block 57 for movement is provided in the T-shaped groove, a fourth pull rod 58 is passed through one of the convex edges of the eighth U-shaped seat 56, one end of the fourth pull rod 58 is fixedly connected to the fourth clamping block 57, a fourth spring 59 is provided at a section of the fourth pull rod 58, one end of the fourth spring 59 is connected to the fourth clamping block 57, and the other end is connected to a convex edge on the eighth U-shaped seat 56, a fourth mounting block 60 for rotation is installed on the fourth clamping block 57 and the convex edge on the other eighth U-shaped seat 56, a cross groove is provided on the end surface of the fourth mounting block 60, and the cross groove is adapted to the cross convex edges provided at both ends of the fourth dust sticking roller, The dust removal assembly inside can clean the dust on the surface of the plastic film. When the dust sticking roller in the first dust removal assembly needs to be replaced, the sixth cylinder 37 and the seventh cylinder 43 work at the same time, so that the corresponding fifth U-shaped seat 38 and the sixth U-shaped seat 44 are separated, so that the first dust sticking roller 42 and the second dust sticking roller 48 are separated, and then the eighth cylinder 49 and the ninth cylinder 55 in the second dust removal assembly work at the same time, driving the corresponding third dust sticking roller 53 and the fourth dust sticking roller to slowly adhere to the surface of the plastic film, and the surface of the plastic film is dusted. The first dust removal assembly and the second dust removal assembly are switched, and the replacement of the dust removal assembly is not delayed, thereby affecting the dust removal effect.

[0032] See also Figure 1 The cooling mechanism includes a first bracket 2 installed on the top of the traction support 1, and a first cold air nozzle 3 and a second cold air nozzle 4 are installed on the first bracket 2. The air inlet ports on the first cold air nozzle 3 and the second cold air nozzle 4 are respectively connected to the air guide pipe, and one end of the air guide pipe is connected to the air outlet port of the air compressor 5.

[0033] See also Figure 1The first film guiding mechanism includes a second bracket 6 installed on the top of the traction support 1, a first cylinder 9 is installed on the top of the second bracket 6, the output end of the first cylinder 9 is fixedly installed between the first U-shaped seat 7, and a first film guiding roller 8 is installed on the first U-shaped seat 7. The second film guiding mechanism includes a third bracket 10 installed on the top of the traction support 1, a second cylinder 11 is installed on the top of the third bracket 10, the output end of the second cylinder 11 is installed with the top of the second U-shaped seat 12, a first rotating pressing roller 13 is installed on the second U-shaped seat 12, and a third bracket 10 is installed at the bottom of the support. There are three cylinders 14, the output end of the third cylinder 14 is fixedly installed between the third U-shaped seat 15, the second film guiding roller 16 is installed on the third U-shaped seat 15, the third film guiding mechanism includes a fourth bracket 17 installed on the top of the traction support 1, the fourth cylinder 18 is installed on the top of the fourth bracket 17, the output end of the fourth cylinder 18 is fixedly installed between the fourth U-shaped seat 19, the third film guiding roller 20 is installed on the fourth U-shaped seat 19, and the fourth film guiding mechanism includes a seventh bracket 27 installed on the top of the traction support 1, and the seventh bracket 27 is provided with a second pressure roller 28 and a third pressure roller 29.

[0034] The implementation principle of a traction device for PVC film processing in an embodiment of the present invention is as follows: the formed household plastic film first passes through a cooling mechanism, and the cold air sprayed by the first cold air nozzle 3 and the second cold air nozzle 4 in the cooling mechanism cools the formed plastic film, and passes through the first film guiding mechanism, the second film guiding mechanism, the third film guiding mechanism, the dust removal mechanism and the fourth film guiding mechanism in sequence, and finally the household plastic film is rolled up in the rolling mechanism. When the plastic film is pulled and rolled up, when the tightness of the plastic film is adjusted, the first film guiding mechanism, the second film guiding mechanism and the third film guiding mechanism are adjusted. The first cylinder 9, the third cylinder 14 and the fourth cylinder 18 in the film mechanism can work as needed, and then the corresponding first film guide roller 8, the second film guide roller 16 and the third film guide roller 20 will move accordingly to adjust the tightness of the film being pulled, and the dust removal component in the box 21 can clean the dust on the surface of the plastic film. When it is necessary to replace the dust sticking roller in the first dust removal component, the sixth cylinder 37 and the seventh cylinder 43 work at the same time, so that the corresponding fifth U-shaped seat 38 and the sixth U-shaped seat 44 are separated, so that the first dust sticking roller 42 and the second The dust-sticking roller 48 separates, and then the eighth cylinder 49 and the ninth cylinder 55 in the second dust-removing assembly work at the same time, driving the corresponding third dust-sticking roller 53 and the fourth dust-sticking roller to slowly stick to the surface of the plastic film, and the surface of the plastic film is dusted. The first dust-removing assembly and the second dust-removing assembly are switched, and the replacement of the dust-removing assembly is not delayed to affect the dust-removing effect. The driving motor 26 in the winding mechanism works to drive the card joint 34 to rotate. When the card joint 34 rotates, the winding roller winds up the plastic film. After the winding is completed, the winding roller is removed. Then the fifth air cylinder 24 works to drive the material collection frame 25 to move downward. After the material collection frame 25 moves to the appropriate position, the output end of the first electric cylinder 33 retracts, and the winding roller located at the bottom of the material collection frame 25 falls into the clamping groove 35 opened on the two clamping joints 34, and the output end of the second electric cylinder 36 is inserted into the through hole opened on the protrusions at both ends of the winding roller to clamp and fix the winding roller. When the winding roller in the material collection frame 25 falls, the output end of the first electric cylinder 33 is quickly inserted into the through hole opened on the protrusions at both ends of the corresponding winding roller, waiting for the next feeding work.

[0035] The above are all preferred embodiments of the present invention, and are not intended to limit the protection scope of the present invention. Therefore, any equivalent changes made based on the structure, shape, and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A traction device for PVC film processing, comprising a traction support (1), characterized in that: The top of the traction support (1) is provided with a cooling mechanism for cooling and blowing the film, a first film guiding mechanism, a second film guiding mechanism, a third film guiding mechanism, a dust removing mechanism, a fourth film guiding mechanism and a winding mechanism in sequence, the dust removing mechanism being located between the third film guiding mechanism and the fourth film guiding mechanism, the dust removing mechanism comprising a box body (21) installed on the top of the traction support (1) and a first dust removing component and a second dust removing component, the two ends of the box body (21) being connected, and a box door for opening is provided on one side of the box body (21), the first dust removing component and the second dust removing component are located in the box body (21), and a feeding mechanism is provided at the winding mechanism on the top of the traction support (1), the feeding mechanism automatically feeds the winding roller into the winding mechanism to wind up the film; The feeding mechanism comprises a sixth bracket (23) located above the traction support (1), two fifth cylinders (24) are installed on the top of the sixth bracket (23), the output end of the fifth cylinder (24) is connected to a support on the side wall of the material collection frame (25), a material collection cavity (32) for storing a winding roller is provided in the material collection frame (25), and two first electric cylinders (33) for limiting and supporting the winding roller at the bottom of the material collection cavity (32) are provided at the bottom of the outer wall of the material collection frame (25); The winding mechanism comprises a fifth bracket (22) mounted on the top of the traction support (1); a driving motor (26) is mounted on the outer wall of the fifth bracket (22); an output end of the driving motor (26) is mounted between a clamping joint (34); a clamping groove (35) is provided on the top of the clamping joint (34); a second electric cylinder (36) is mounted on the outer wall of the clamping joint (34); and the output end of the second electric cylinder (36) clamps the protrusions at both ends of the winding roller.

2. A traction device for PVC film processing according to claim 1, characterized in that: The first dust removal assembly comprises a first L-shaped seat (30), a sixth cylinder (37) is installed on the top of the first L-shaped seat (30), an output end of the sixth cylinder (37) is installed on the top of a fifth U-shaped seat (38), a T-shaped groove is provided on the inner top wall of the fifth U-shaped seat (38), and a first clamping block (39) for movement is provided in the T-shaped groove, a first pull rod (40) is passed through a convex edge on the fifth U-shaped seat (38), and one end of the first pull rod (40) is connected to the first clamping block (39). A first spring (41) is provided at a position on the first pull rod (40), one end of the first spring (41) is connected to the first clamping block (39), and the other end of the first spring (41) is connected to a convex edge of the fifth U-shaped seat (38), and a first mounting block for rotation is mounted on the first clamping block (39) and the other convex edge on the fifth U-shaped seat (38), and a cross groove is provided on the end surface of the first mounting block, and the cross groove is matched with the cross convex edges provided at both ends of the first dust-sticking roller (42).

3. A traction device for PVC film processing according to claim 2, characterized in that: The first dust removal component also includes a seventh cylinder (43) located on a bottom support of the first L-shaped seat (30), the output end of the seventh cylinder (43) being fixedly installed between the sixth U-shaped seat (44), a T-shaped groove being provided on the top wall of the sixth U-shaped seat (44), a second clamping block (45) being arranged in the T-shaped groove for movement, a second pull rod (46) extending through one of the convex edges of the sixth U-shaped seat (44), one end of the second pull rod (46) being fixedly connected to the second clamping block (45), and the sixth U-shaped seat (44) being provided with a second pull rod (46) extending through one of the convex edges of the sixth U-shaped seat (44). A second spring (47) is provided at a position on the second pull rod (46), one end of the second spring (47) is connected to the second clamping block (45), and the other end of the second spring (47) is connected to the convex edge on the sixth U-shaped seat (44), and a second mounting block for rotation is mounted on the second clamping block (45) and the other convex edge on the sixth U-shaped seat (44), and a cross groove is provided on the end surface of the second mounting block, and the cross groove is matched with the cross convex edges provided at both ends of the second dust-sticking roller (48).

4. The traction device for PVC film processing according to claim 1, characterized in that: The second dust removal assembly comprises a second L-shaped seat (31), an eighth cylinder (49) is fixedly mounted on the top of the second L-shaped seat (31), an output end of the eighth cylinder (49) is mounted on the top of a seventh U-shaped seat (50), a T-shaped slot is provided on the top of the seventh U-shaped seat (50), a third clamping block (51) for movement is arranged in the T-shaped slot, a third pull rod (54) is passed through one of the convex edges of the seventh U-shaped seat (50), one end of the third pull rod (54) is connected to the third clamping block (51) ), a third spring (52) is provided at a position on the third pull rod (54), one end of the third spring (52) is connected to the third clamping block (51), and the other end is connected to a convex edge on the seventh U-shaped seat (50), and a third mounting block for rotation is mounted on the third clamping block (51) and the other convex edge on the seventh U-shaped seat (50), and a cross groove is provided on the end surface of the third mounting block, and the cross groove is matched with the cross convex edges provided at both ends of the third dust-sticking roller (53).

5. A traction device for PVC film processing according to claim 4, characterized in that: The second dust removal assembly further comprises a ninth cylinder (55) mounted on the second L-shaped seat (31) at the bottom support of the second L-shaped seat (31), the output end of the ninth cylinder (55) being mounted between the eighth U-shaped seat (56), the top of the eighth U-shaped seat (56) being provided with a T-shaped groove, and a fourth clamping block (57) for movement being provided in the T-shaped groove, a fourth pull rod (58) extending from one of the convex edges of the eighth U-shaped seat (56), one end of the fourth pull rod (58) being connected to the fourth clamping block (57) A fourth spring (59) is provided at a position on the fourth pull rod (58), one end of the fourth spring (59) is connected to the fourth clamping block (57), and the other end is connected to a convex edge on the eighth U-shaped seat (56), and a fourth mounting block (60) is rotatably mounted on the fourth clamping block (57) and the other convex edge on the eighth U-shaped seat (56), and a cross groove is provided on the end surface of the fourth mounting block (60), and the cross groove is matched with the cross convex edges provided at both ends of the fourth dust-sticking roller.

6. The traction device for PVC film processing according to claim 1, characterized in that: The cooling mechanism comprises a first bracket (2) mounted on the top of the traction support (1), a first cold air nozzle (3) and a second cold air nozzle (4) being mounted on the first bracket (2), air inlet ports on the first cold air nozzle (3) and the second cold air nozzle (4) being respectively connected to an air guide pipe, and one end of the air guide pipe being connected to an air outlet port of an air compressor (5).

7. The traction device for PVC film processing according to claim 1, characterized in that: The first film guiding mechanism comprises a second bracket (6) mounted on the top of the traction support (1), a first cylinder (9) being mounted on the top of the second bracket (6), an output end of the first cylinder (9) being fixedly mounted between a first U-shaped seat (7), and a first film guiding roller (8) being mounted on the first U-shaped seat (7).

8. The traction device for PVC film processing according to claim 1, characterized in that: The second film guiding mechanism comprises a third bracket (10) mounted on the top of the traction support (1); a second cylinder (11) is mounted on the top of the third bracket (10); an output end of the second cylinder (11) is mounted on the top of a second U-shaped seat (12); a first rotatable pressure roller (13) is mounted on the second U-shaped seat (12); a third cylinder (14) is mounted on the bottom of the support of the third bracket (10); an output end of the third cylinder (14) is fixedly mounted on a third U-shaped seat (15); and a second film guiding roller (16) is mounted on the third U-shaped seat (15).

9. The traction device for PVC film processing according to claim 1, characterized in that: The third film guiding mechanism comprises a fourth bracket (17) mounted on the top of the traction support (1), a fourth cylinder (18) being mounted on the top of the fourth bracket (17), an output end of the fourth cylinder (18) being fixedly mounted between a fourth U-shaped seat (19), and a third film guiding roller (20) being mounted on the fourth U-shaped seat (19).

10. The traction device for PVC film processing according to claim 1, characterized in that: The fourth film guiding mechanism comprises a seventh bracket (27) installed on the top of the traction support (1), and the seventh bracket (27) is provided with a second pressing roller (28) and a third pressing roller (29).

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