Slitting and back-rolling device for flexible packaging film

Abstract

The utility model relates to a flexible package film slitting and rewinding device, which belongs to the technical field of rewinding equipment and comprises a frame, a winding shaft, a breaking shaft and a mounting rack, a guide roller is arranged on the mounting rack, an elastic tensioning component is arranged between the winding shaft and the mounting rack, an adjusting rotating shaft is rotatably mounted on the upper portion of the mounting rack, and a square frame is fixed on the adjusting rotating shaft. An adjusting guide roller is rotatably mounted on the lower portion of the square frame, an adjusting rod is fixed to the top of the square frame, an adjusting plate is fixed to the mounting frame and provided with an adjusting arc-shaped groove coaxial with an adjusting rotating shaft, an adjusting lead screw is arranged in the adjusting arc-shaped groove, and the front end of the adjusting lead screw is fixed to the adjusting rod. And locking nuts are arranged on the adjusting lead screws in front of and behind the adjusting plate. The adjusting guide roller capable of adjusting the height position is arranged between the winding shaft and the unwinding shaft, so that the height of the adjusting guide roller can be quickly adjusted, a back-wound packaging film can be quickly tensioned and adjusted, the winding device is quick and convenient, time-saving and labor-saving, and the efficiency is improved.

Description

Technical Field

[0001] The utility model relates to a flexible packaging film slitting and rewinding device, belonging to the technical field of rewinding equipment. Background Art

[0002] Liquid flexible packaging film is produced through printing, laminating, coding, slitting and other processes to form a finished product. When the flexible packaging film is slitting, the packaging film tension is sometimes insufficient, resulting in a loose film after slitting, which is not conducive to subsequent bag making. Therefore, the loose film is put into the rewinding device for rewinding, but the current rewinding device is troublesome to adjust the film tension, which is time-consuming and labor-intensive, and affects production efficiency. Utility Model Content

[0003] The utility model provides a flexible packaging film slitting and rewinding device, which solves the problem that the current rewinding device is troublesome to adjust the tension of the film, is time-consuming and labor-intensive, and affects production efficiency.

[0004] The utility model relates to a flexible packaging film slitting and rewinding device, comprising a frame, a reeling shaft and a reeling shaft are rotatably mounted at both ends of the frame, a mounting frame is arranged between the reeling shaft and the reeling shaft, a guide roller is arranged on the mounting frame, an elastic tensioning component is arranged between the reeling shaft and the mounting frame, an adjusting shaft is rotatably mounted on the upper part of the mounting frame, a square frame is fixed on the adjusting shaft, an adjusting guide roller is rotatably mounted on the lower part of the square frame, an adjusting rod is fixed on the top of the square frame, an adjusting plate is fixed on the mounting frame, an adjusting arc groove coaxial with the adjusting shaft is arranged on the adjusting plate, an adjusting screw rod is arranged in the adjusting arc groove, the front end of the adjusting screw rod is fixed to the adjusting rod, and locking nuts are arranged on the adjusting screw rods before and after the adjusting plate.

[0005] As a preferred embodiment, the guide rollers include guide roller 1 rotatably mounted on the lower left and right sides of the mounting frame and guide roller 2 rotatably mounted on the middle left side of the mounting frame.

[0006] As a preferred embodiment, the elastic tensioning assembly includes a tensioning roller, the front and rear ends of the tensioning roller are rotatably installed with support arm plates, the middle part of the support arm plates is rotatably installed on the frame through a rotating shaft, a tension spring is fixed to the top of the lower end of the support arm plate, and the other end of the tension spring is fixed to the frame, which can elastically tension the packaging film, better prevent the flexible packaging film from loosening when rewinding, and make the winding more compact.

[0007] As a preferred embodiment, the rear ends of the reel and the reel-breaking shaft are fixed with forward and reverse driving motors, and fixed limit disks are fixed on the reel and the reel-breaking shaft. A dynamic limit disk is sleeved on the reel and the reel-breaking shaft, and a locking sleeve is fixed to the outside of the dynamic limit disk. The locking sleeve is provided with a locking bolt, and the position of the dynamic limit disk can be adjusted according to the width of the flexible packaging film to adapt to flexible packaging films of various widths.

[0008] As a preferred embodiment, an anti-static elimination roller is provided between the winding shaft and the tensioning roller, and a bracket plate is rotatably installed at the front and rear ends of the anti-static elimination roller, a support hole is provided at the lower end of the bracket plate, an adjusting stud is provided in the support hole, and an adjusting nut is provided on the upper and lower adjusting studs of the bracket plate, a fixing plate is fixed to the bottom of the adjusting stud, and the bottom of the fixing plate is fixed to the frame, and conductive metal sleeves are sleeved at both ends of the anti-static elimination roller, and the conductive metal sleeves are fixed to the bracket plate, and a grounding wire is fixed to the bottom of the conductive metal sleeve, which can eliminate static electricity on the rolled soft packaging film and prevent static electricity from affecting subsequent use.

[0009] The utility model has the following beneficial effects:

[0010] By arranging an adjustable guide roller with adjustable height position between the rewinding shaft and the breaking reel, the height of the adjustable guide roller can be quickly adjusted, so as to quickly tension and adjust the rewound packaging film, which is quick and convenient, saves time and effort, and improves efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a structural schematic diagram of the utility model;

[0012] Figure 2 for Figure 1 Partial structure diagram Figure 1 ;

[0013] Figure 3 for Figure 1 Partial structure diagram Figure 2 ;

[0014] Figure 4 It is a schematic diagram of the side structure of the reel;

[0015] In the figure: 1. dynamic limit plate, 2. take-up shaft, 3. frame, 4. static elimination roller, 5. tension roller, 6. guide roller 2, 7. mounting frame, 8. adjusting guide roller, 9. adjusting plate, 10. adjusting arc groove, 11. adjusting screw rod, 12. adjusting rod, 13. square frame, 14. broken reel, 15. locking sleeve, 16. guide roller 1, 17. locking nut, 18. forward and reverse drive motor, 19. fixed limit plate, 20. support arm plate, 21. tension spring, 22. fixing plate, 23. adjusting stud, 24. conductive metal sleeve, 25. bracket plate. DETAILED DESCRIPTION

[0016] The utility model is further described below in conjunction with embodiments.

[0017] Embodiment 1, as Figures 1 to 4As shown, the utility model is a flexible packaging film slitting and rewinding device, including a frame 3, a reel 2 and a reel breaking shaft 14 are rotatably installed at both ends of the frame 3, and anti-slip convex patterns are arranged on the outer walls of the reel 2 and the reel breaking shaft 14, a mounting frame 7 is arranged between the reel 2 and the reel breaking shaft 14, a guide roller is arranged on the mounting frame 7, an elastic tensioning component is arranged between the reel 2 and the mounting frame 7, an adjusting shaft is rotatably installed on the upper part of the mounting frame 7, a square frame 13 is fixed on the adjusting shaft, an adjusting guide roller 8 is rotatably installed on the lower part of the square frame 13, an adjusting rod 12 is fixed on the top of the square frame 13, an adjusting plate 9 is fixed on the mounting frame 7, an adjusting arc groove 10 coaxial with the adjusting shaft is arranged on the adjusting plate 9, an adjusting screw rod 11 is arranged in the adjusting arc groove 10, the front end of the adjusting screw rod 11 is fixed to the adjusting rod 12, and locking nuts 17 are arranged on the adjusting screw rod 11 before and after the adjusting plate 9.

[0018] When in use, the cardboard tube of the flexible packaging film to be rewound is placed on the broken winding shaft 14, and then the head of the flexible packaging film passes around the guide roller, then passes around the top of the adjusting guide roller 8, and then passes around the lower part of the elastic tensioning assembly, and then is wound and fixed on the cardboard tube placed on the winding shaft 2, and then the elastic tensioning assembly is lifted upward, the locking nut 17 is loosened, and then the position of the adjusting screw rod 11 is adjusted along the adjusting arc groove 10 to tension the flexible packaging film, and then the locking nut 17 is tightened, and then the elastic tensioning assembly is loosened. The elastic tensioning assembly applies a downward pressure to the flexible packaging film, elastically compresses the flexible packaging film to better prevent loosening, and then the winding shaft 2 can wind up the flexible packaging film.

[0019] Embodiment 2, based on embodiment 1, the guide rollers include a guide roller 16 rotatably mounted on the lower left and right sides of the mounting frame 7 and a guide roller 2 6 rotatably mounted on the middle left side of the mounting frame 7.

[0020] The elastic tensioning assembly includes a tensioning roller 5, and support arm plates 20 are rotatably mounted at both ends of the tensioning roller 5. The middle part of the support arm plate 20 is rotatably mounted on the frame 3 through a rotating shaft. A tension spring 21 is fixed to the top of the lower end of the support arm plate 20, and the other end of the tension spring 21 is fixed to the frame 3. Before adjusting the height of the guide roller 8, the tensioning roller 5 is first lifted upward to open the tension spring 21. After the height of the guide roller 8 is adjusted, the flexible packaging film is attached to the tensioning roller 5. At this time, the tensioning roller 5 is released, and the tension force given to the tensioning roller 5 by the tension spring 21 will cause the tensioning roller 5 to press the flexible packaging film tightly, and the winding is tighter.

[0021] The rear ends of the reel 2 and the broken reel 14 are both fixed with forward and reverse driving motors 18, and the reel 2 and the broken reel 14 are also fixed with fixed limit disks 19, and the reel 2 and the broken reel 14 are covered with dynamic limit disks 1, and the outer side of the dynamic limit disk 1 is fixed with a locking sleeve 15, and the locking sleeve 15 is provided with a locking bolt. When putting the cardboard tube, loosen the locking bolt, remove the dynamic limit disk 1 and the locking sleeve 15, and then put the cardboard tube on the reel 2 and the broken reel 14, and then put on the dynamic limit disk 1 and the locking sleeve 15, the dynamic limit disk 1 is close to the outer end of the cardboard tube, and then tighten the locking bolt.

[0022] A static elimination roller 4 is provided between the reel 2 and the tension roller 5. The static elimination roller 4 is made of a conductive metal material. A support plate 25 is rotatably installed at the front and rear ends of the static elimination roller 4. A support hole is provided at the lower end of the support plate 25. An adjustment stud 23 is provided in the support hole. An adjustment nut is provided on the upper and lower adjustment studs 23 of the support plate 25. A fixing plate 22 is fixed to the bottom of the adjustment stud 23. The bottom of the fixing plate 22 is fixed to the frame 3. Conductive metal sleeves 24 are sleeved at both ends of the static elimination roller 4. The conductive metal sleeves 24 are fixed to the support plate 25. A grounding wire is fixed to the bottom of the conductive metal sleeve 24. After adjusting the tightness of the flexible packaging film, the position of the adjustment nut on the adjustment stud 23 can be rotated so that the static elimination roller 4 is close to the bottom of the flexible packaging film to eliminate static electricity.

[0023] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

[0024] In the description of the present invention, the terms "inside", "outside", "longitudinal", "lateral", "upper", "lower", "top", "bottom" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and do not require that the present invention must be constructed and operated in a specific orientation. Therefore, they should not be understood as limitations on the present invention.

Claims

1. A flexible packaging film slitting and rewinding device, comprising a frame (3), a reeling shaft (2) and a reeling shaft (14) being rotatably mounted at both ends of the frame (3), a mounting frame (7) being arranged between the reeling shaft (2) and the reeling shaft (14), and characterized in that: A guide roller is provided on the mounting frame (7), an elastic tensioning assembly is provided between the winding shaft (2) and the mounting frame (7), an adjusting shaft is rotatably installed on the upper part of the mounting frame (7), a square frame (13) is fixed on the adjusting shaft, an adjusting guide roller (8) is rotatably installed on the lower part of the square frame (13), an adjusting rod (12) is fixed on the top of the square frame (13), an adjusting plate (9) is fixed on the mounting frame (7), an adjusting arc groove (10) coaxial with the adjusting shaft is provided on the adjusting plate (9), an adjusting screw rod (11) is provided in the adjusting arc groove (10), a front end of the adjusting screw rod (11) is fixed to the adjusting rod (12), and locking nuts (17) are provided on the adjusting screw rods (11) before and after the adjusting plate (9).

2. The flexible packaging film slitting and rewinding device according to claim 1, characterized in that: The guide rollers include a guide roller 1 (16) rotatably mounted on the lower left and right sides of the mounting frame (7) and a guide roller 2 (6) rotatably mounted on the middle left side of the mounting frame (7).

3. The flexible packaging film slitting and rewinding device according to claim 1, characterized in that: The elastic tensioning assembly comprises a tensioning roller (5), the front and rear ends of the tensioning roller (5) are both rotatably mounted with support arm plates (20), the middle portion of the support arm plate (20) is rotatably mounted on the frame (3) via a rotating shaft, a tension spring (21) is fixed to the top of the lower end of the support arm plate (20), and the other end of the tension spring (21) is fixed to the frame (3).

4. The flexible packaging film slitting and rewinding device according to claim 1, characterized in that: A forward and reverse driving motor (18) is fixed to the rear ends of the reel (2) and the reel-breaking shaft (14); a fixed limit plate (19) is also fixed to the reel (2) and the reel-breaking shaft (14); a movable limit plate (1) is sleeved on the reel (2) and the reel-breaking shaft (14); a locking sleeve (15) is fixed to the outer side of the movable limit plate (1); and a locking bolt is provided on the locking sleeve (15).

5. The flexible packaging film slitting and rewinding device according to claim 3, characterized in that: An electrostatic elimination roller (4) is provided between the winding shaft (2) and the tensioning roller (5), and a support plate (25) is rotatably installed at the front and rear ends of the electrostatic elimination roller (4), a support hole is provided at the lower end of the support plate (25), and an adjusting stud (23) is provided in the support hole, and an adjusting nut is provided on the upper and lower adjusting studs (23) of the support plate (25), and a fixing plate (22) is fixed at the bottom of the adjusting stud (23), and the bottom of the fixing plate (22) is fixed to the frame (3), and the two ends of the electrostatic elimination roller (4) are sleeved with a conductive metal sleeve (24), and the conductive metal sleeve (24) is fixed to the support plate (25), and a grounding wire is fixed at the bottom of the conductive metal sleeve (24).

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