Controllable winding structure for plastic film
By using components such as supporting rods, guide rollers, positioning seats, reels and elastic plates in the plastic film winding mechanism, the tight winding and fixed length cutting of the plastic film are achieved, and the film relaxation caused by traditional winding mechanisms is solved. The problem of inconsistent with cutting improves the application and cutting accuracy of the equipment.
Patent Information
- Application Number
- CN202420831498.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-22
- Publication Date
- 2025-01-14
- Estimated Expiration
- 2034-04-22
AI Technical Summary
Traditional plastic film winding mechanisms can easily lead to loose winding of the film, affecting the consistency of the length of the film when cutting.
It adopts a controllable winding structure including upper support rod, guide roller, positioning seat, reel, elastic plate and motor. The reel is controlled by the motor to control the rotation and elastic plate extrusion, and combine guide roller and roller to ensure that the plastic film is tightly wound. It is also removable and replaced by positioning seats and movable sleeves to ensure consistency in cutting lengths.
The compact winding and fixed length cutting of plastic film is achieved, which avoids the slack of the roll film, and improves the application and cutting accuracy of the equipment.
Smart Images
Figure CN222348312U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of plastic film winding, in particular to a controllable winding structure of a plastic film. Background Art
[0002] Plastic film is mainly made of polyvinyl chloride, polyethylene, polypropylene, polystyrene and other resins, and is used for packaging and as a coating layer. Plastic packaging and plastic packaging products occupy an increasingly larger share in the market, especially composite plastic flexible packaging, which has been widely used in food, medicine, chemical and other fields. In the production process of plastic film, the plastic film after calendering needs to be wound by a winding mechanism and cut to a set length by a cutting mechanism. The traditional film winding mechanism easily causes the film to be wound on the winding device in a loose state, affecting the normal winding process, resulting in the inability to ensure that the film roll meets the length when cutting.
[0003] Therefore, those skilled in the art provide a controllable winding structure for a plastic film to solve the problems raised in the above background technology. Utility Model Content
[0004] The purpose of the utility model is to provide a controllable winding structure of a plastic film to solve the problems raised in the above background technology.
[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:
[0006] A controllable winding structure for plastic film comprises an upper support rod, a base is arranged on the lower side of the upper support rod, a roller seat is fixedly connected to the upper surface of the upper support rod, a guide roller is rotatably connected inside the roller seat, a positioning seat is also installed on the upper surface of the upper support rod, a reel is rotatably arranged inside the positioning seat, a winding positioning mechanism is arranged on the lower side of the reel, and a winding assembly is arranged on the side of the support rod.
[0007] As a further solution of the utility model: the winding positioning mechanism includes a fixed block, the fixed block is fixedly connected to the upper surface of the bottom horizontal plate of the base, a moving block is slidably arranged on the upper part of the fixed block, the lower end of the moving block extends to the interior of the fixed block, a bearing is installed inside the fixed block, a second bevel gear is fixedly connected to the lower surface of the inner ring of the bearing, a threaded rod is connected to the internal thread of the second bevel gear, the upper end of the threaded rod and the lower end of the moving block are rotatably connected, a first bevel gear is arranged inside the fixed block, the first bevel gear and the second bevel gear are meshed, the shaft of the first bevel gear passes through the side wall of the fixed block and extends to the outside of the fixed block, a hand wheel is fixedly connected to the end side of the shaft of the first bevel gear, a moving plate is fixedly connected to the upper surface of the moving plate, a convex block and an elastic plate are respectively fixedly connected to the upper surface of the moving plate, the elastic plate is inclined, an electrode 1 is arranged on the upper end surface of the elastic plate, an electrode 2 is arranged on the upper end of the convex block, and the electrode 1 is located directly above the electrode 2.
[0008] As a further solution of the utility model: a roller is installed on the upper end of the elastic plate.
[0009] As a further solution of the utility model: the positioning seat includes an upper component and a lower component, the upper component and the lower component are detachably arranged, the reel is located between the upper component and the lower component, and rollers are arranged on the surfaces of the upper component and the lower component that contact the reel.
[0010] As a further solution of the utility model: the winding assembly includes a support plate fixedly connected to the side of the upper support rod, a motor is installed on the upper surface of the support plate, the motor is electrically connected to the electrode one and the electrode two, the driving end of the motor is fixedly connected to a fixed shaft, the surface sliding sleeve of the fixed shaft is provided with a movable shaft sleeve, both ends of the winding shaft are fixedly connected to a docking shaft, the docking shaft and the fixed shaft have the same structure, and the movable shaft sleeve is slidably sleeved on the surface of the docking shaft.
[0011] As a further solution of the utility model: the surfaces of the docking shaft, the fixed shaft and the movable sleeve are all penetrated with bolt holes, and fixing bolts are installed inside the bolt holes. The surface of the docking shaft is provided with a bolt hole, and the surfaces of the fixed shaft and the movable sleeve are both provided with two bolt holes. The spacing between the two bolt holes on the surface of the fixed shaft is equal to the spacing between the two bolt holes on the surface of the movable sleeve, and the minimum distance between the bolt holes on the surface of the docking shaft and the bolt holes on the surface of the fixed shaft is equal to the spacing between the two bolt holes on the surface of the fixed shaft.
[0012] As a further solution of the utility model: the docking shaft and the fixed shaft are polygonal prism structures, the inner wall of the movable sleeve is also polygonal prism structure, and the number of prisms on the inner wall of the movable sleeve is equal to the number of prisms on the docking shaft.
[0013] Compared with the prior art, the beneficial effects of the utility model are:
[0014] 1. The motor controls the rotation of the reel, and the elastic plate is set to extrude the elastic plate by wrapping the plastic film around the reel surface. When the electrode one contacts the electrode two, the motor can be controlled to stop. At this time, the plastic film on the reel surface reaches the set length. Due to the winding of the motor and the guiding by the guide roller, the plastic film can be tightly wound on the reel surface to avoid loose plastic film on the reel surface. Since the roller is set at the end of the elastic plate, the elastic plate and the plastic film can be prevented from directly contacting and wearing the plastic film. Since the positioning seat is divided into upper and lower structures, a docking shaft and a fixed shaft are set between the reel and the motor, and they are connected by a movable sleeve, so the reel can be easily replaced.
[0015] 2. By setting the hand wheel, the height of the movable plate can be adjusted, and then the height of the elastic plate can be adjusted. The height of the elastic plate can be adjusted according to the length of the plastic film wound onto the surface of the reel. When electrode 1 and electrode 2 are in contact, the motor stops. At this time, the plastic film can be cut to obtain a plastic film roll of a fixed length, making the equipment more applicable. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 It is a front view of a controllable winding structure of a plastic film;
[0017] Figure 2 It is a schematic diagram of the internal structure of a fixed block in a controllable winding structure of a plastic film;
[0018] Figure 3 It is a right view of a controllable winding structure of a plastic film;
[0019] Figure 4 for Figure 3 Schematic diagram of the enlarged structure at point A in the middle.
[0020] In the figure: 1. upper support rod; 2. base; 3. roller seat; 4. guide roller; 5. positioning seat; 6. reel; 7. fixed block; 8. hand wheel; 9. movable plate; 10. bump; 11. elastic plate; 12. roller; 13. first bevel gear; 14. second bevel gear; 15. bearing; 16. threaded rod; 17. movable block; 18. support plate; 19. motor; 20. docking shaft; 21. fixed shaft; 22. movable sleeve; 23. fixing bolt; 24. bolt hole. DETAILED DESCRIPTION
[0021] See also Figures 1 to 4 In the embodiment of the utility model, a controllable winding structure of a plastic film includes an upper support rod 1, a base 2 is arranged at the lower side of the upper support rod 1, a roller seat 3 is fixedly connected to the upper surface of the upper support rod 1, and a guide roller 4 is rotatably connected inside the roller seat 3. A positioning seat 5 is also installed on the upper surface of the upper support rod 1, and a reel 6 is rotatably arranged inside the positioning seat 5, a winding positioning mechanism is arranged at the lower side of the reel 6, and a winding assembly is arranged on the side of the support rod 1.
[0022] Preferably, the winding positioning mechanism includes a fixed block 7, which is fixedly connected to the upper surface of the bottom horizontal plate of the base 2, and a moving block 17 is slidably arranged on the upper part of the fixed block 7, and the lower end of the moving block 17 extends into the interior of the fixed block 7, and a bearing 15 is installed inside the fixed block 7, and a second bevel gear 14 is fixedly connected to the lower surface of the inner ring of the bearing 15, and a threaded rod 16 is connected to the inner thread of the second bevel gear 14, and the upper end of the threaded rod 16 is rotatably connected to the lower end of the moving block 17, and a first bevel gear is arranged inside the fixed block 7. Wheel 13, the first bevel gear 13 and the second bevel gear 14 are meshed, the shaft of the first bevel gear 13 passes through the side wall of the fixed block 7 and extends to the outside of the fixed block 7, the shaft end side of the first bevel gear 13 is fixedly connected with a handwheel 8, the upper surface of the moving block 17 is fixedly connected with a moving plate 9, the upper surface of the moving plate 9 is respectively fixedly connected with a protrusion 10 and an elastic plate 11, the elastic plate 11 is inclined, the upper end surface of the elastic plate 11 is provided with electrode 1, the upper end of the protrusion 10 is provided with electrode 2, and electrode 1 is located directly above electrode 2.
[0023] Preferably, a roller 12 is installed at the upper end of the elastic plate 11 to prevent the plastic film from being damaged due to sliding friction between the upper end of the elastic plate 11 and the plastic film.
[0024] Preferably, the positioning seat 5 includes an upper component and a lower component, the upper component and the lower component are detachably arranged, the reel 6 is located between the upper component and the lower component, and rollers are arranged on the contact surfaces of the upper component and the lower component and the reel 6 to reduce friction.
[0025] Preferably, the winding assembly includes a support plate 18 fixedly connected to the side of the upper support rod, a motor 19 is installed on the upper surface of the support plate 18, the motor 19 is electrically connected to electrode one and electrode two, the driving end of the motor 19 is fixedly connected to a fixed shaft 21, and a movable shaft sleeve 22 is slidably sleeved on the surface of the fixed shaft 21. Both ends of the reel 6 are fixedly connected to a docking shaft 20, the docking shaft 20 and the fixed shaft 21 have the same structure, and the movable shaft sleeve 22 is slidably sleeved on the surface of the docking shaft 20.
[0026] Preferably, bolt holes 24 are formed on the surfaces of the docking shaft 20, the fixed shaft 21 and the movable sleeve 22, and fixing bolts 23 are installed inside the bolt holes 24. A bolt hole 24 is formed on the surface of the docking shaft 20, and two bolt holes 24 are formed on the surfaces of the fixed shaft 21 and the movable sleeve 22. The spacing between the two bolt holes 24 on the surface of the fixed shaft 21 is equal to the spacing between the two bolt holes 24 on the surface of the movable sleeve 22. The minimum distance between the bolt holes 24 on the surface of the docking shaft 20 and the bolt holes 24 on the surface of the fixed shaft 21 is equal to the spacing between the two bolt holes 24 on the surface of the fixed shaft 21. The movable sleeve 22 can be slid so that the movable sleeve 22 is located on the surfaces of the docking shaft 20 and the fixed shaft 21, so that the docking shaft 20 and the fixed shaft 21 are docked. After the motor 19 is turned on, the reel 6 can be controlled to rotate to wind the plastic film.
[0027] Preferably, the docking shaft 20 and the fixed shaft 21 are polygonal prism structures, the inner wall of the movable sleeve 22 is also a polygonal prism structure, and the number of prisms on the inner wall of the movable sleeve 22 is equal to the number of prisms on the docking shaft 20, such as a hexagonal prism. After the movable sleeve 22 is sleeved on the surface of the docking shaft 20 and the fixed shaft 21, there is no need to use the fixing bolts 23 for fixing. The motor 19 can be used to control the rotation of the reel 6 to wind the plastic film. By installing the fixing bolts 23, the movable sleeve 22 can be more tightly connected to the docking shaft 20 and the fixed shaft 21 respectively.
[0028] The working principle of the utility model is as follows: when winding the plastic film, the reel 6 is first installed inside the positioning seat 5. Since the surface of the positioning seat 5 is provided with rollers, the friction between the reel 6 and the positioning seat 5 can be reduced, and the movable sleeve 22 is pushed to the surface of the docking shaft 20, so that the fixed shaft 21, the movable sleeve 22 and the docking shaft 20 are connected, and the fixing bolts 23 are installed inside the bolt holes 24, the docking shaft 20 and the movable sleeve 22 are fixedly connected, the fixed shaft 21 and the movable sleeve 22 are fixedly connected, the plastic film is passed around the guide roller 4 and fixed on the surface of the reel 6, and then the motor 19 is turned on. During winding, when a certain amount of plastic film is wound on the surface of the reel 6, the roller 12 will be squeezed, so that the elastic plate 11 will bend and deform. When the plastic film wound on the surface of the reel 6 reaches the maximum amount, the electrode 1 at the end of the elastic plate 11 contacts the electrode 2 at the upper end of the protrusion 10, and then the motor 19 is powered off and disconnected. At this time, the plastic film is cut, the reel 6 is removed from the positioning seat 5, and the movable shaft sleeve 22 and the docking shaft 20 are removed, thereby completing the winding of a roll of plastic film, and then the reel 6 without the plastic film wound is reinstalled into the positioning seat 5, and the movable shaft sleeve 22 and the docking shaft 20 are connected to wind the plastic film.
[0029] The above are only preferred specific implementation methods of the utility model, but the protection scope of the utility model is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the utility model, who makes equivalent replacements or changes based on the technical scheme and utility model concept of the utility model, should be covered by the protection scope of the utility model.
Claims
1. A controllable winding structure for a plastic film, comprising an upper support rod (1), characterized in that: A base (2) is provided at the lower side of the upper support rod (1); a roller seat (3) is fixedly connected to the upper surface of the upper support rod (1); a guide roller (4) is rotatably connected inside the roller seat (3); a positioning seat (5) is also installed on the upper surface of the upper support rod (1); a reel (6) is rotatably provided inside the positioning seat (5); a winding positioning mechanism is provided at the lower side of the reel (6); and a winding assembly is provided on the side of the support rod (1).
2. The controllable winding structure of a plastic film according to claim 1, characterized in that: The winding positioning mechanism comprises a fixed block (7), the fixed block (7) being fixedly connected to the upper surface of the bottom horizontal plate of the base (2), a moving block (17) being slidably arranged on the upper part of the fixed block (7), the lower end of the moving block (17) extending into the interior of the fixed block (7), a bearing (15) being installed inside the fixed block (7), a second bevel gear (14) being fixedly connected to the lower surface of the inner ring of the bearing (15), a threaded rod (16) being connected to the inner thread of the second bevel gear (14), the upper end of the threaded rod (16) being rotatably connected to the lower end of the moving block (17), and a first bevel gear (13) being arranged inside the fixed block (7). ), the first bevel gear (13) and the second bevel gear (14) are meshed, the shaft of the first bevel gear (13) passes through the side wall of the fixed block (7) and extends to the outside of the fixed block (7), the end side of the shaft of the first bevel gear (13) is fixedly connected to a handwheel (8), the upper surface of the movable block (17) is fixedly connected to a movable plate (9), the upper surface of the movable plate (9) is respectively fixedly connected to a convex block (10) and an elastic plate (11), the elastic plate (11) is arranged obliquely, the upper end surface of the elastic plate (11) is provided with an electrode 1, the upper end of the convex block (10) is provided with an electrode 2, and the electrode 1 is located directly above the electrode 2.
3. The controllable winding structure of a plastic film according to claim 2, characterized in that: A roller (12) is mounted on the upper end of the elastic plate (11).
4. The controllable winding structure of a plastic film according to claim 1, characterized in that: The positioning seat (5) comprises an upper component and a lower component, the upper component and the lower component are detachably arranged, the reel (6) is located between the upper component and the lower component, and rollers are arranged on the surfaces of the upper component and the lower component that contact the reel (6).
5. The controllable winding structure of a plastic film according to claim 2, characterized in that: The winding assembly comprises a support plate (18) fixedly connected to the side of the upper support rod (1), a motor (19) being mounted on the upper surface of the support plate (18), the motor (19) being electrically connected to the electrode one and the electrode two, a fixed shaft (21) being fixedly connected to the driving end of the motor (19), a movable shaft sleeve (22) being slidably sleeved on the surface of the fixed shaft (21), a docking shaft (20) being fixedly connected to both ends of the winding shaft (6), the docking shaft (20) and the fixed shaft (21) having the same structure, and the movable shaft sleeve (22) being slidably sleeved on the surface of the docking shaft (20).
6. The controllable winding structure of a plastic film according to claim 5, characterized in that: Bolt holes (24) are provided on the surfaces of the docking shaft (20), the fixed shaft (21) and the movable sleeve (22), and fixing bolts (23) are installed inside the bolt holes (24). The docking shaft (20) has one bolt hole (24) on its surface, and the fixed shaft (21) and the movable sleeve (22) have two bolt holes (24) on their surfaces. The spacing between the two bolt holes (24) on the surface of the fixed shaft (21) is equal to the spacing between the two bolt holes (24) on the surface of the movable sleeve (22), and the minimum distance between the bolt holes (24) on the surface of the docking shaft (20) and the bolt holes (24) on the surface of the fixed shaft (21) is equal to the spacing between the two bolt holes (24) on the surface of the fixed shaft (21).
7. A controllable winding structure of a plastic film according to claim 5 or 6, characterized in that: The docking shaft (20) and the fixed shaft (21) are of a polygonal prism structure, the inner wall of the movable shaft sleeve (22) is also of a polygonal prism structure, and the number of prisms on the inner wall of the movable shaft sleeve (22) is equal to the number of prisms on the docking shaft (20).