Plastic sheet double-station coiling device
By designing a plastic sheet double station winding device, using dual station winding and friction roller conveying technology, combined with PLC program control, the problems of large changes in curling tension and low automation control level in the existing technology are solved, and the effects of constant tension, appropriate curling tightness and simple operation are achieved.
Patent Information
- Application Number
- CN202420247667.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-02-01
- Publication Date
- 2025-03-18
- Estimated Expiration
- 2034-02-01
AI Technical Summary
The existing plastic sheet winding device has a large change in tension during the curling process, which cannot ensure uniform elasticity and tightness. The automation control level is low, and the operation is inconvenient. The single station design requires two people to operate, and it is easy to have difficulty in connecting when replacing the core roller.
A double-station winding device for plastic sheets is designed, adopting a double-station winding structure to realize easy operation by one person. Through friction roller conveying and PLC program control, the friction between the roller and the curling sheet is kept constant, and the curling tension is kept constant, ensuring the curling tightness is suitable.
The tension during the curling process is achieved, the sheet deformation is avoided, the curling tightness is ensured, the operation process is simplified, the automation control level is improved, seamless connection is achieved, and equipment maintenance is reduced.
Smart Images

Figure CN222630643U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of plastic sheet winding devices, in particular to a double-station winding device for plastic sheets. Background Art
[0002] Due to the unique environmental protection of plastic sheets, their excellent physical properties and broad application prospects, plastic sheet winding devices are indispensable production equipment in plastic sheet production workshops.
[0003] The plastic sheet winding device currently used is to install a paper tube on the outer diameter of the air-inflated shaft and control the curling through a torque motor. However, as the diameter of the coil increases layer by layer during the curling process, the curling tension also changes continuously. In the process of curling plastic sheets of different thicknesses, specifications and materials, its level of automation control cannot guarantee uniform tightness and curling deformation of the product. On the other hand, the single-station winding device currently in common use requires at least two people to operate, and there will be connection difficulties during the replacement of the core roller.
[0004] Therefore, the design defects of the plastic sheet winding device currently on the market have seriously affected the overall performance of the plastic rubber sheet production equipment. Now the market is in urgent need of a plastic sheet double-station winding device that is easy to operate and has a high degree of automation. Summary of the invention
[0005] In view of the shortcomings of the above-mentioned prior art, a double-station winding device for plastic sheets is provided. The double-station winding device can be easily operated by one person and the production is seamless. The friction roller is used for conveying and the PLC program is controlled to keep the friction between the roller and the curled sheet constant. The curling tension is kept constant to avoid deformation of the sheet during the curling process and to ensure appropriate curling tightness.
[0006] In order to solve the above technical problems, the technical solution adopted by the utility model is that a double-station winding device for plastic sheets includes a frame composed of correspondingly arranged legs and a top plate arranged on the top of the legs, a first-station winding mechanism and a second-station winding mechanism are arranged under the top plate, a first sliding component for carrying the first-station winding mechanism is arranged under the first-station winding mechanism, and a first adjusting mechanism for adjusting the first-station winding mechanism to slide on the first sliding component to a predetermined position, and a first tightening component for tightening the first-station winding mechanism when the first adjusting mechanism adjusts the first-station winding mechanism to slide on the first sliding component to a predetermined position, a second sliding component for carrying the second-station winding mechanism is arranged under the second-station winding mechanism, and a first adjusting mechanism for adjusting the second-station winding mechanism on the second sliding component is arranged on the second sliding component and a control panel comprising: a first control panel, a second control panel for adjusting the position of the second station winding mechanism, and a second pressing component for pressing the second station winding mechanism when the second adjusting mechanism adjusts the second station winding mechanism to slide to the predetermined position on the second sliding component. A first guide component is provided between two adjacent legs, a first passage groove is provided on the top plate, a second guide component is provided above the first passage groove, a second passage groove is provided on one side of the first passage groove, a third guide component and a fourth guide component are provided below the second passage groove, two fixed plates are provided above the second passage groove, a first roller is provided between the two fixed plates, and a second roller connected to the two fixed plates through the third sliding component, first driving devices for driving the second roller to run along the third sliding component are provided on the two fixed plates, a second driving device for driving the first roller to operate, and a controller.
[0007] The above-mentioned double-station winding device for plastic sheets, the first-station winding mechanism includes a first bearing plate arranged on a first sliding assembly, and two first support plates correspondingly arranged on the first bearing plate, first bearings are respectively arranged on the two first support plates, a detachable first winding roller is arranged between the two first bearings, a first driving motor for driving the first winding roller to rotate is arranged on one of the first support plates, and the first driving motor is connected to the controller signal; the second-station winding mechanism includes a second bearing plate arranged on a second sliding assembly, and two second support plates correspondingly arranged on the second bearing plate, second bearings are respectively arranged on the two second support plates, a detachable second winding roller is arranged between the two second bearings, a second driving motor for driving the second winding roller to rotate is arranged on one of the second support plates, rollers are arranged at the front ends of the first bearing plate and the second bearing plate, and the second driving motor is connected to the controller signal.
[0008] The above-mentioned double-station winding device for plastic sheets, the first sliding component includes a first guide rail and a first guide plate arranged on both sides of the bottom of the first supporting plate, a first positioning plate is respectively arranged at both ends of the first guide rail, a first guide shaft is arranged between the two first positioning plates, a first supporting slider for supporting the first supporting plate is arranged on the first guide shaft, a first guide rod is arranged along the length direction of the first guide plate, and a first guide wheel running along the first guide rod is arranged at the bottom of the first supporting plate; the second sliding component includes a second guide rail and a second guide plate arranged on both sides of the bottom of the second supporting plate, a second positioning plate is respectively arranged at both ends of the second guide rail, a second guide shaft is arranged between the two second positioning plates, a second supporting slider for supporting the second supporting plate is arranged on the second guide shaft, a second guide rod is arranged along the length direction of the second guide plate, and a second guide wheel running along the second guide rod is arranged at the bottom of the second supporting plate.
[0009] 4. The repairing kit for automotive dents, according to claim 1, wherein the second end of the foot is connected to the foot stand, and the foot stand is connected to the foot stand of the foot stand. The foot stand is connected to the foot stand of the foot stand, and the foot stand is connected to the foot stand of the foot stand.
[0010] The above-mentioned plastic sheet double-station winding device, the first tightening assembly includes a third positioning plate arranged at one end of the first guide plate, a first tightening nut arranged on the third positioning plate, and a first tightening screw adapted to the first tightening nut, a first tightening plate is provided at one end of the first tightening screw, a first tightening hole is provided on the first tightening plate, a first tightening bearing connected to the first tightening screw is provided in the first tightening hole, and a first rotating plate connected to the first supporting plate and used for cooperating with the first tightening plate is provided on the first supporting plate. The second tightening assembly includes a fourth positioning plate at one end of the second guide plate, a second tightening nut arranged on the fourth positioning plate, and a second tightening screw adapted to the second tightening nut, a second tightening plate is provided at one end of the second tightening screw, a second tightening hole is provided on the second tightening plate, a second tightening bearing connected to the second tightening screw is provided in the second tightening hole, and a second rotating plate connected to the second supporting plate and used for cooperating with the second tightening plate is provided on the second supporting plate.
[0011] In the above-mentioned double-station winding device for plastic sheets, the first guide assembly includes two third bearings correspondingly arranged on two adjacent legs, and a first guide roller arranged between the two third bearings for connecting the two; the second guide assembly includes two fourth bearings correspondingly arranged on both sides of the first passage groove, and a second guide roller arranged between the two fourth bearings for connecting the two.
[0012] The above-mentioned double-station winding device for plastic sheets, the third guide assembly includes two fifth positioning plates correspondingly arranged below the second passage slot, and a third guide roller arranged between the two fifth positioning plates and rotatably connected to the two fifth positioning plates, the fourth guide assembly includes two sixth positioning plates correspondingly arranged below the second passage slot, and a fourth guide roller arranged between the two sixth positioning plates and rotatably connected to the two sixth positioning plates.
[0013] The above-mentioned double-station winding device for plastic sheets, the third sliding assembly includes sliding chambers respectively arranged on two fixed plates, and sliding rails arranged in the two sliding chambers, and a sliding bearing seat and a fifth bearing arranged on the sliding rails. The first driving device is a driving cylinder respectively arranged on one side of the two sliding chambers for driving the sliding bearing seat to run along the sliding rails, and the driving cylinder is connected to the controller signal. The second driving device is a third driving motor arranged on one side of the first rotating roller, and the third driving motor is connected to the controller signal.
[0014] The above-mentioned double-station winding device for plastic sheets is provided with a guardrail on the top plate and a ladder on one side of the top plate.
[0015] The beneficial effects of the double-station winding device for plastic sheets of the utility model are: 1. By setting a first rotating roller and a second rotating roller connected to two fixed plates through a third sliding component, that is, using friction rollers for conveying and PLC program control, the friction between the rollers and the curled sheets is kept constant; 2. The curling tension is kept constant to avoid deformation of the sheet during the curling process and to ensure that the curling tightness is appropriate; 3. The double-station winding, the detachable first winding roller and the detachable second winding roller are set up to achieve easy operation by one person and seamless production; the installation and maintenance are simple and the use is safe. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 It is the front view of the utility model;
[0017] Figure 2 It is a schematic diagram of the structure of the utility model;
[0018] Figure 3 It is a side view of the utility model;
[0019] Figure 4 for Figure 1 A partial enlarged view of part A;
[0020] Figure 5 for Figure 1 A partial enlarged view of part B;
[0021] Figure 6 for Figure 2 A partial enlarged view of part C in the middle;
[0022] Figure 7 for Figure 2 A partial enlarged view of part D in the middle;
[0023] Figure 8 for Figure 1 A partial enlarged view of part E in the middle;
[0024] Fig. 9 It is a structural schematic diagram of the first adjusting mechanism. DETAILED DESCRIPTION
[0025] The present invention is described in detail below with reference to the accompanying drawings and specific embodiments.
[0026] like Figure 1-9As shown, a double-station winding device for plastic sheets comprises a frame consisting of correspondingly arranged legs 1 and a top plate 2 arranged on the top of the legs 1, a first-station winding mechanism and a second-station winding mechanism are arranged below the top plate 2, a first sliding assembly for carrying the first-station winding mechanism and a first adjusting mechanism for adjusting the first-station winding mechanism to slide to a predetermined position on the first sliding assembly are arranged below the first-station winding mechanism, and a first tightening assembly for tightening the first-station winding mechanism when the first adjusting mechanism adjusts the first-station winding mechanism to slide to a predetermined position on the first sliding assembly is arranged below the second-station winding mechanism, a second sliding assembly for carrying the second-station winding mechanism and a second adjusting mechanism for adjusting the second-station winding mechanism to slide to a predetermined position on the second sliding assembly are arranged, and when the second adjusting mechanism adjusts the second station winding mechanism to slide to a predetermined position on the second sliding assembly, the second tightening assembly that tightens the second station winding mechanism, the first guide assembly between the two adjacent legs, the first passage groove 3 is provided on the top plate, the second guide assembly is provided above the first passage groove 3, the second passage groove 4 is provided on one side of the first passage groove 3, the third guide assembly and the fourth guide assembly are provided below the second passage groove 4, two fixed plates 5 are provided above the second passage groove 4, the first roller 32 is provided between the two fixed plates 5, and the second roller 6 connected to the two fixed plates 5 through the third sliding assembly, the first driving device for driving the second roller 6 to run along the third sliding assembly is provided on the two fixed plates 5, and also includes a second driving device for driving the first roller 32 to run, and a controller. The controller is a PLC.
[0027] The first-station winding mechanism includes a first carrier plate 7 arranged on a first sliding assembly, and two first support plates 8 correspondingly arranged on the first carrier plate 7, first bearings are respectively arranged on the two first support plates 8, a detachable first winding roller 10 is arranged between the two first bearings, a first driving motor 11 for driving the first winding roller 10 to rotate is arranged on one of the first support plates 8, and the first driving motor 11 is connected to the controller signal; the second-station winding mechanism includes a second carrier plate 12 arranged on a second sliding assembly, and two second support plates 13 correspondingly arranged on the second carrier plate 12, second bearings 14 are respectively arranged on the two second support plates 13, a detachable second winding roller 15 is arranged between the two second bearings 14, a second driving motor 16 for driving the second winding roller 15 to rotate is arranged on one of the second support plates 13, rollers 33 are arranged at the front ends of the first carrier plate 7 and the second carrier plate 12, and the second driving motor 16 is connected to the controller signal.
[0028] The first winding roller 10 and the second winding roller 15 are both composed of an air-expanding shaft and an air-expanding shaft safety chuck. Of course, the detachable first winding roller 10 and the detachable second winding roller 15 are not limited to the above structure.
[0029] The first sliding assembly includes a first guide rail 17 and a first guide plate 34, which are arranged on both sides of the bottom of the first supporting plate 7. First positioning plates 35 are respectively provided at both ends of the first guide rail 17. A first guide shaft 18 is provided between the two first positioning plates 35. A first supporting slider 19 for supporting the first supporting plate 7 is provided on the first guide shaft 18. A first guide rod 56 is provided along the length direction of the first guide plate 34. A first guide wheel 55 that runs along the first guide rod 56 is provided at the bottom of the first supporting plate 7; the second sliding assembly includes a second guide rail 20 and a second guide plate 36, which are arranged on both sides of the bottom of the second supporting plate 12. Second positioning plates 37 are respectively provided at both ends of the second guide rail 20. A second guide shaft 21 is provided between the two second positioning plates 37. A second supporting slider for supporting the second supporting plate 12 is provided on the second guide shaft 21. A second guide rod 14 is provided along the length direction of the second guide plate 36. A second guide wheel 9 that runs along the second guide rod 14 is provided at the bottom of the second supporting plate 12.
[0030] The first adjusting mechanism includes a first connecting plate 38 for connecting the first guide rail 17 with the first guide plate 34, and a first plate body 39 arranged in the middle of the first connecting plate 38, a first adjusting nut 40 and a first adjusting screw 41 adapted to the first adjusting nut 40 are arranged on the first plate body 39, a first adjusting handwheel 42 is arranged at one end of the first adjusting screw 41, a first adjusting plate 43 is arranged at the bottom of the first supporting plate 7, a first adjusting hole is arranged on the first adjusting plate 43, and a first adjusting bearing connected to the other end of the first adjusting screw 41 is arranged in the first adjusting screw hole, and the second adjusting mechanism includes a second connecting plate 54 for connecting the second guide rail 20 with the second guide plate 36, and a second plate body 44 arranged in the middle of the second connecting plate 54, a second adjusting nut and a second adjusting screw adapted to the second adjusting nut are arranged on the second plate body 44, a second adjusting handwheel 45 is arranged at one end of the second adjusting screw, a second adjusting plate is arranged at the bottom of the second supporting plate 12, a second adjusting hole is arranged on the second adjusting plate, and a second adjusting bearing connected to the other end of the second adjusting screw is arranged in the second adjusting screw hole.
[0031] The first tightening assembly includes a third positioning plate 46 arranged at one end of the first guide plate 34, a first tightening nut 47 arranged on the third positioning plate 46, and a first tightening screw 48 adapted to the first tightening nut 47, a first tightening plate 49 is provided at one end of the first tightening screw 48, a first tightening hole is provided on the first tightening plate 49, a first tightening bearing connected to the first tightening screw 48 is provided in the first tightening hole, a first rotating plate 50 connected to the first bearing plate 7 for cooperating with the first tightening plate 49 is provided on the first bearing plate 7, the second tightening assembly includes a fourth positioning plate at one end of the second guide plate, a second tightening nut arranged on the fourth positioning plate, and a second tightening screw adapted to the second tightening nut, a second tightening plate is provided at one end of the second tightening screw, a second tightening hole is provided on the second tightening plate, a second tightening bearing connected to the second tightening screw is provided in the second tightening hole, and a second rotating plate connected to the second bearing plate for cooperating with the second tightening plate is provided on the second bearing plate.
[0032] The first guide assembly includes two third bearings 22 correspondingly arranged on two adjacent legs 1, and a first guide roller 24 arranged between the two third bearings 22 for connecting the two; the second guide assembly includes two fourth bearings 25 correspondingly arranged on both sides of the first passage 3, and a second guide roller 26 arranged between the two fourth bearings 25 for connecting the two.
[0033] The third guide assembly includes two fifth positioning plates 51 correspondingly arranged below the second passage 4, and a third guide roller 52 arranged between the two fifth positioning plates 51 and rotatably connected to the two fifth positioning plates 51. The fourth guide assembly includes two sixth positioning plates 53 correspondingly arranged below the second passage 4, and a fourth guide roller 57 arranged between the two sixth positioning plates 53 and rotatably connected to the two sixth positioning plates 53. The third guide roller 52 and the fourth guide roller 57 are both provided with left-right symmetrical spiral lines, which play the role of flattening the sheet without wrinkles.
[0034] The above-mentioned double-station winding device for plastic sheets, the third sliding assembly includes sliding chambers respectively arranged on two fixed plates, and slide rails 27 arranged in the two sliding chambers, and sliding bearing seats 28 and fifth bearings arranged on the slide rails 27. The first driving device is a driving cylinder 29 respectively arranged on one side of the two sliding chambers for driving the sliding bearing seats 28 to run along the slide rails 27, and the driving cylinder 29 is connected to the controller signal. The second driving device is a third driving motor 31 arranged on one side of the first rotating roller 32, and the third driving motor is connected to the controller signal.
[0035] A guardrail 30 is provided on the top plate 2, and a ladder 23 is provided on one side of the top plate 2. It is convenient for workers to go up and down the top plate 2.
[0036] When the double-station winding device for plastic sheets is implemented, the formed plastic sheet product is first placed on the first guide roller 24, then transferred to the second guide roller 26 on the upper platform of the frame, and then introduced between the first roller 32 and the second roller 6 for conveying, and then led down to the first station winding mechanism or the second station winding mechanism, wound and fixed, and the start button is pressed, and the first station winding mechanism or the second station winding mechanism starts to wind the sheet. The third drive motor 31 on the platform drives the friction first roller 32 and the second roller 6 to continuously convey the plastic sheet to the first station winding mechanism or the second station winding mechanism. At this time, the conveying speed and the winding speed are synchronized with the speed of the plastic sheet production line, and production continues. When the winding length reaches the process design length, the sheet is manually cut, and the sheet is introduced into another winding mechanism to start the winding operation. The first winding roller 10 or the second winding roller 15 that has completed the winding operation is disassembled, and the sheet is transferred to the designated storage area.
[0037] Equipment size: (length x width x height) 2.3mX3.7mX3.1m, winding specification: Φ1000-1200mm, width 800mm, winding speed: 35m / min, first winding roller 10 and second winding roller 15: Φ74x1300mm.
[0038] Of course, the above description is not a limitation of the present invention, and the present invention is not limited to the above examples. Any changes, modifications, additions or substitutions made by ordinary technicians in this technical field within the essential scope of the present invention should also fall within the protection scope of the present invention.
Claims
1. Double-station winding device for plastic sheets, characterized by: The invention comprises a frame composed of correspondingly arranged legs and a top plate arranged on the top of the legs, a first station winding mechanism and a second station winding mechanism are arranged below the top plate, a first sliding assembly for carrying the first station winding mechanism and a first adjusting mechanism for adjusting the first station winding mechanism to slide to a predetermined position on the first sliding assembly are arranged below the first station winding mechanism, and a first tightening assembly for tightening the first station winding mechanism when the first adjusting mechanism adjusts the first station winding mechanism to slide to a predetermined position on the first sliding assembly is arranged below the second station winding mechanism, a second sliding assembly for carrying the second station winding mechanism and a second adjusting mechanism for adjusting the second station winding mechanism to slide to a predetermined position on the second sliding assembly are arranged below the second station winding mechanism, and When the second adjusting mechanism adjusts the second-station winding mechanism to slide on the second sliding assembly to a predetermined position, the second tightening assembly that tightens the second-station winding mechanism, the first guide assembly between the two adjacent legs, a first passage groove is provided on the top plate, a second guide assembly is provided above the first passage groove, a second passage groove is provided on one side of the first passage groove, a third guide assembly and a fourth guide assembly are provided below the second passage groove, two fixed plates are provided above the second passage groove, a first roller is provided between the two fixed plates, and a second roller connected to the two fixed plates through the third sliding assembly, first driving devices for driving the second roller to run along the third sliding assembly are respectively provided on the two fixed plates, and also include a second driving device for driving the first roller to operate, and a controller.
2. The double-station winding device for plastic sheets according to claim 1 is characterized in that: The first-station winding mechanism includes a first carrier plate arranged on a first sliding assembly, and two first support plates correspondingly arranged on the first carrier plate, first bearings are respectively arranged on the two first support plates, a detachable first winding roller is arranged between the two first bearings, a first driving motor for driving the first winding roller to rotate is arranged on one of the first support plates, and the first driving motor is connected to the controller signal; the second-station winding mechanism includes a second carrier plate arranged on a second sliding assembly, and two second support plates correspondingly arranged on the second carrier plate, second bearings are respectively arranged on the two second support plates, a detachable second winding roller is arranged between the two second bearings, a second driving motor for driving the second winding roller to rotate is arranged on one of the second support plates, rollers are arranged at the front ends of the first carrier plate and the second carrier plate, and the second driving motor is connected to the controller signal.
3. The double-station winding device for plastic sheets according to claim 2 is characterized in that: The first sliding assembly includes a first guide rail and a first guide plate, first positioning plates are respectively provided at both ends of the first guide rail, a first guide shaft is provided between the two first positioning plates, a first supporting slider for supporting the first supporting plate is provided on the first guide shaft, a first guide rod is provided along the length direction of the first guide plate, and a first guide wheel running along the first guide rod is provided at the bottom of the first supporting plate; the second sliding assembly includes a second guide rail and a second guide plate, second positioning plates are respectively provided at both ends of the second guide rail, a second guide shaft is provided between the two second positioning plates, a second supporting slider for supporting the second supporting plate is provided on the second guide shaft, a second guide rod is provided along the length direction of the second guide plate, and a second guide wheel running along the second guide rod is provided at the bottom of the second supporting plate.
4. The double-station winding device for plastic sheets according to claim 3 is characterized in that: The first adjusting mechanism includes a first connecting plate for connecting the first guide rail and the first guide plate, and a first plate body arranged in the middle of the first connecting plate, a first adjusting nut and a first adjusting screw adapted to the first adjusting nut are arranged on the first plate body, a first adjusting handwheel is arranged at one end of the first adjusting screw, a first adjusting plate is arranged at the bottom of the first supporting plate, a first adjusting hole is arranged on the first adjusting plate, and a first adjusting bearing connected to the other end of the first adjusting screw is arranged in the first adjusting screw hole, the second adjusting mechanism includes a second connecting plate for connecting the second guide rail and the second guide plate, and a second plate body arranged in the middle of the second connecting plate, a second adjusting nut and a second adjusting screw adapted to the second adjusting nut are arranged on the second plate body, a second adjusting handwheel is arranged at one end of the second adjusting screw, a second adjusting plate is arranged at the bottom of the second supporting plate, a second adjusting hole is arranged on the second adjusting plate, and a second adjusting bearing connected to the other end of the second adjusting screw is arranged in the second adjusting screw hole.
5. The double-station winding device for plastic sheets according to claim 4 is characterized in that: The first tightening assembly includes a third positioning plate arranged at one end of the first guide plate, a first tightening nut arranged on the third positioning plate, and a first tightening screw adapted to the first tightening nut, a first tightening plate is provided at one end of the first tightening screw, a first tightening hole is provided on the first tightening plate, a first tightening bearing connected to the first tightening screw is provided in the first tightening hole, a first rotating plate connected to the first bearing plate and used for cooperating with the first tightening plate is provided on the first supporting plate, and the second tightening assembly includes a fourth positioning plate at one end of the second guide plate, a second tightening nut arranged on the fourth positioning plate, and a second tightening screw adapted to the second tightening nut, a second tightening plate is provided at one end of the second tightening screw, a second tightening hole is provided on the second tightening plate, a second tightening bearing connected to the second tightening screw is provided in the second tightening hole, and a second rotating plate connected to the second supporting plate and used for cooperating with the second tightening plate is provided on the second supporting plate.
6. The double-station winding device for plastic sheets according to claim 5 is characterized in that: The first guide assembly includes two third bearings correspondingly arranged on two adjacent legs, and a first guide roller arranged between the two third bearings for connecting the two; the second guide assembly includes two fourth bearings correspondingly arranged on both sides of the first passage, and a second guide roller arranged between the two fourth bearings for connecting the two.
7. The double-station winding device for plastic sheets according to claim 6 is characterized in that: The third guide assembly includes two fifth positioning plates correspondingly arranged below the second passage slot, and a third guide roller arranged between the two fifth positioning plates and rotatably connected to the two fifth positioning plates. The fourth guide assembly includes two sixth positioning plates correspondingly arranged below the second passage slot, and a fourth guide roller arranged between the two sixth positioning plates and rotatably connected to the two sixth positioning plates.
8. The double-station winding device for plastic sheets according to claim 7 is characterized in that: The third sliding assembly includes sliding cavities respectively arranged on two fixed plates, sliding rails arranged in the two sliding cavities, and a sliding bearing seat and a fifth bearing arranged on the sliding rails. The first driving device is a driving cylinder respectively arranged on one side of the two sliding cavities for driving the sliding bearing seat to run along the sliding rails. The driving cylinder is connected to the controller signal. The second driving device is a third driving motor arranged on one side of the first rotating roller, and the third driving motor is connected to the controller signal.
9. The double-station winding device for plastic sheets according to claim 8, characterized in that: A guardrail is provided on the top plate and a ladder is provided on one side of the top plate.