High-speed dry compound machine for printing flexible packaging film

Abstract

The utility model relates to a high-speed dry-type compound machine for printing a flexible packaging film, which belongs to the technical field of dry-type compound equipment and comprises a working table, a winding mechanism, a hot-pressing roller machine and a cold-pressing roller machine are arranged on the working table, a lower film guide roller is arranged at the left end of the working table, and an upper film guide roller is further arranged at the left end of the working table. Supports are rotationally installed at the front end and the rear end of the upper film guide roller, telescopic rods are fixed to the bottoms of the supports, tension springs are hung on the two sides of the bottoms of the supports, the lower ends of the tension springs are hung on the telescopic rods, and a lower film tensioning mechanism is arranged between the lower film guide roller and the hot-pressing double-roller machine. According to the utility model, the upper film guide roller is designed into a vertically telescopic structure and is tensioned by the tension spring, so that a downward elastic tension force can be provided when the upper film is guided, the upper film is better prevented from loosening, the lower film is tensioned by the lower film tensioning mechanism, the lower film is better prevented from loosening, and the hot-pressing compounding effect is better.

Description

Technical Field

[0001] The utility model relates to a high-speed dry-type compound machine for printing soft packaging films, belonging to the technical field of dry-type compound equipment. Background Art

[0002] During production, printed flexible packaging films are formed into finished products after processes such as printing, laminating, coding, and slitting. During lamination, printed flexible packaging films are laminated through a high-speed dry laminating machine. The high-speed dry laminating machine will convey the glue-coated and dried upper film and the un-glue-coated lower film to be laminated to a hot pressing roller machine for lamination, and then wind them on a winding device after cooling. However, the upper film and the lower film are prone to loosening before entering the hot pressing roller machine, affecting the hot pressing lamination effect. Utility Model Content

[0003] The utility model provides a high-speed dry compound machine for printing flexible packaging films, which solves the problem that the upper film and the lower film of the existing compound machine are easy to be loosened before entering the hot pressing roller machine, thus affecting the hot pressing compound effect.

[0004] The utility model relates to a high-speed dry-type composite machine for printing flexible packaging films, comprising a workbench, on which a winding mechanism, a hot-pressing roller machine and a cold-pressing roller machine are arranged, a lower film guide roller is arranged at the left end of the workbench, an upper film guide roller is also arranged at the left end of the workbench, front and rear ends of the upper film guide roller are rotatably mounted with brackets, a telescopic rod is fixed at the bottom of the bracket, tension springs are hung on both sides of the bottom of the bracket, the lower ends of the tension springs are hung on the telescopic rods, and a lower film tensioning mechanism is arranged between the lower film guide roller and the hot-pressing roller machine.

[0005] As a preferred embodiment, the lower film tensioning mechanism includes a tensioning roller, a tensioning plate is rotatably mounted on one end of the tensioning roller, an adjusting screw is hingedly mounted on the other end of the tensioning plate, a support plate is rotatably mounted on the middle part of the tensioning plate, the support plate is fixed on the workbench, a limit plate is fixed on the support plate, a through hole is provided on the limit plate for the adjusting screw to pass through, a tensioning spring is sleeved on the adjusting screw at the lower part of the limit plate, and a limit nut is provided on the adjusting screw at the lower part of the tensioning spring. The tensioning spring can be used to give the adjusting screw a downward elastic tightening force, which will drive the tensioning roller on the tensioning plate to tighten the bottom of the lower film and tighten the lower film, and the tensioning force can be adjusted by rotating the position of the limit nut on the adjusting screw.

[0006] As a preferred embodiment, a static elimination roller is provided between the cold pressing roller machine and the winding mechanism, and an adjustment seat is rotatably installed at both ends of the static elimination roller, and a mounting hole is provided at the bottom of the adjustment seat, and an adjustment stud is provided in the mounting hole, and an adjustment nut is provided on the upper and lower adjustment studs of the adjustment seat, and a conductive metal sleeve is sleeved at one end of the static elimination roller, and the conductive metal sleeve is fixed on the adjustment seat, and the conductive metal sleeve is fixedly connected to a ground wire. The static electricity on the composite packaging film can be eliminated, which is convenient for subsequent winding and use, and the height of the static elimination roller can be adjusted to facilitate the tensioning of the composite packaging film.

[0007] As a preferred embodiment, the winding mechanism includes a winding switching disk, a switching shaft is fixed to the middle rear part of the winding switching disk, a switching motor is fixed to the rear end of the switching shaft, the switching motor is fixed to a frame, the frame is fixed to the workbench, and two winding shafts symmetrical about the switching shaft are arranged on the winding switching disk. The roll can be changed without stopping the machine, and a winding motor is fixed to the rear end of the winding shaft.

[0008] As a preferred embodiment, a fixed limit disk is fixed at the inner end of the winding shaft, a dynamic limit disk is sleeved on the winding shaft, an adjustment sleeve sleeved on the winding shaft is fixed to the outer side of the dynamic limit disk, and a locking bolt is provided on the adjustment sleeve to facilitate the adjustment of the spacing between the dynamic limit disk and the fixed limit disk according to the width of the composite packaging film, so as to adapt to composite packaging films of various widths.

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

[0010] The upper film guide roller is designed to be telescopic up and down, and is tightened by a tension spring, which can provide downward elastic tensioning force when guiding the upper film, better preventing the upper film from loosening. The lower mold is tensioned by the lower film tensioning mechanism, better preventing the lower film from loosening, and the hot pressing composite effect is better. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a schematic diagram of the structure 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 switching shaft;

[0015] In the figure: 1. workbench, 2. lower film guide roller, 3. telescopic rod, 4. tension spring, 5. bracket, 6. upper film guide roller, 7. hot pressing roller machine, 8. cold pressing roller machine, 9. adjusting stud, 10. static elimination roller, 11. conductive metal sleeve, 12. winding switching disk, 13. adjusting sleeve, 14. winding shaft, 15. dynamic limit disk, 16. tensioning roller, 17. tensioning plate, 18. adjusting screw rod, 19. limit plate, 20. tensioning spring, 21. adjusting seat, 22. switching motor, 23. winding motor, 24. fixed limit disk. DETAILED DESCRIPTION

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

[0017] Embodiment 1, as Figures 1 to 4 As shown, the utility model is a high-speed dry-type composite machine for printing flexible packaging film, comprising a workbench 1, on which a winding mechanism, a hot-pressing roller machine 7 and a cold-pressing roller machine 8 are provided, a lower film guide roller 2 is provided at the left end of the workbench 1, an upper film guide roller 6 is also provided at the left end of the workbench 1, and a bracket 5 is rotatably mounted at the front and rear ends of the upper film guide roller 6, a telescopic rod 3 is fixed to the bottom of the bracket 5, tension springs 4 are hung on both sides of the bottom of the bracket 5, the lower end of the tension spring 4 is hung on the telescopic rod 3, the telescopic rod 3 comprises an extension rod and a telescopic sleeve, the extension rod is sleeved inside the telescopic sleeve, the lower end of the tension spring 4 is hung on the top outer side of the telescopic sleeve, and a lower film tensioning mechanism is provided between the lower film guide roller 2 and the hot-pressing roller machine 7.

[0018] When in use, the upper film after glue coating and drying passes around the bottom of the upper film guide roller 6 and then enters the hot pressing roller machine 7 to pass around the lower film guide roller 2 and the lower film after being tensioned by the lower film tensioning mechanism for hot pressing and dry compounding. The compounded printed flexible packaging film enters the cold pressing roller machine 8 for cold pressing and then enters the winding mechanism for winding. When the upper film passes around the bottom of the upper film guide roller 6, it will lift the upper film guide roller 6 upward, so that the tension spring 4 is stretched. In this way, when the upper film is running, the tension spring 4 gives the upper film guide roller 6 a downward pulling force, and the upper film guide roller 6 presses the upper film.

[0019] Embodiment 2, on the basis of embodiment 1, the lower film tensioning mechanism comprises a tensioning roller 16, a tensioning plate 17 is rotatably mounted on one end of the tensioning roller 16, an adjusting screw 18 is hingedly mounted on the other end of the tensioning plate 17, a support plate is rotatably mounted on the middle part of the tensioning plate 17, the support plate is fixed on the workbench 1, a limit plate 19 is fixed on the support plate, a through hole for the adjusting screw 18 to pass through is provided on the limit plate 19, a tensioning spring 20 is sleeved on the adjusting screw 18 at the lower part of the limit plate 19, and a limit nut is provided on the adjusting screw 18 at the lower part of the tensioning spring 20. Before working, the position of the limit nut on the adjusting screw can be rotated as needed to adjust the tension of the tension spring, and the lower film passes around the lower film guide roller 2, passes around the top of the tensioning roller 16, and then enters the hot pressing roller machine 7, at which time the tensioning roller 16 will press the lower film tightly to provide tension. The hot pressing roller machine 7 and the cold pressing roller machine 8 both include support rollers and pressure rollers, both ends of the support rollers are rotatably mounted on the brackets, both ends of the pressure rollers are supported by support seats, the support seats are covered with adjusting screws, and the upper and lower adjusting screws of the support seats are provided with adjusting nuts. The support rollers and pressure rollers of the hot pressing roller machine 7 and the cold pressing roller machine 8 both include hollow cylinders, support shafts are fixed at both ends of the hollow cylinders, liquid inlets and liquid outlets are respectively provided in the two ends of the support shafts, and rotary joints 1 and swivel joints 2 respectively connected to the liquid inlets and liquid outlets are fixed at both ends of the support shafts, the rotary joints 1 are connected to the liquid inlet pipe, and the rotary joints 2 are connected to the liquid outlet pipe.

[0020] An electrostatic elimination roller 10 is provided between the cold press roller machine 8 and the winding mechanism. Adjustment seats 21 are rotatably installed at both ends of the electrostatic elimination roller 10. A mounting hole is provided at the bottom of the adjustment seat 21. Adjustment studs 9 are provided in the mounting hole. Adjustment nuts are provided on the upper and lower adjustment studs 9 of the adjustment seat 21. A conductive metal sleeve 11 is sleeved at one end of the electrostatic elimination roller 10. The conductive metal sleeve 11 is fixed on the adjustment seat 21, and the conductive metal sleeve 11 is fixedly connected to a ground wire.

[0021] The winding mechanism includes a winding switching disk 12, a switching shaft is fixed to the middle rear part of the winding switching disk 12, a switching motor 22 is fixed to the rear end of the switching shaft, the switching motor 22 is fixed to a frame, the frame is fixed on the workbench 1, and two winding shafts 14 symmetrical about the switching axis are provided on the winding switching disk 12, and a winding motor 23 is fixed to the rear end of the winding shaft 14.

[0022] A fixed limit plate 24 is fixed to the inner end of the winding shaft 14, a movable limit plate 15 is sleeved on the winding shaft 14, an adjustment sleeve 13 sleeved on the winding shaft 14 is fixed to the outer side of the movable limit plate 15, and a locking bolt is arranged on the adjusting sleeve 13. Before working, loosen the locking bolt, then remove the movable limit plate 15, then sleeve the winding cardboard tube on the winding shaft 14, then sleeve the movable limit plate 15, hold the cardboard tube, and then tighten the locking bolt.

[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 high-speed dry laminating machine for printing flexible packaging film, comprising a workbench (1), on which a winding mechanism, a hot pressing roller machine (7) and a cold pressing roller machine (8) are arranged, and a lower film guide roller (2) is arranged at the left end of the workbench (1), characterized in that: An upper film guide roller (6) is also provided at the left end of the workbench (1), and brackets (5) are rotatably mounted on the front and rear ends of the upper film guide roller (6), a telescopic rod (3) is fixed to the bottom of the bracket (5), tension springs (4) are hung on both sides of the bottom of the bracket (5), and the lower ends of the tension springs (4) are hung on the telescopic rod (3), and a lower film tensioning mechanism is provided between the lower film guide roller (2) and the hot pressing roller machine (7).

2. The high-speed dry laminating machine for printing flexible packaging film according to claim 1, characterized in that: The lower film tensioning mechanism comprises a tensioning roller (16), one end of which is rotatably mounted with a tensioning plate (17), the other end of which is hingedly mounted with an adjusting screw (18), a supporting plate rotatably mounted on the middle of the tensioning plate (17), the supporting plate being fixed on the workbench (1), a limiting plate (19) being fixed on the supporting plate, a through hole being provided on the limiting plate (19) for the adjusting screw (18) to pass through, a tensioning spring (20) being sleeved on the adjusting screw (18) at the lower part of the limiting plate (19), and a limiting nut being provided on the adjusting screw (18) at the lower part of the tensioning spring (20).

3. The high-speed dry laminating machine for printing flexible packaging film according to claim 1, characterized in that: An electrostatic elimination roller (10) is arranged between the cold pressing roller machine (8) and the winding mechanism. Adjustment seats (21) are rotatably mounted at both ends of the electrostatic elimination roller (10). A mounting hole is arranged at the bottom of the adjustment seat (21). Adjustment studs (9) are arranged in the mounting hole. Adjustment nuts are arranged on the upper and lower adjustment studs (9) of the adjustment seat (21). A conductive metal sleeve (11) is sleeved on one end of the electrostatic elimination roller (10). The conductive metal sleeve (11) is fixed on the adjustment seat (21). The conductive metal sleeve (11) is fixedly connected to a grounding wire.

4. The high-speed dry laminating machine for printing flexible packaging film according to claim 1, characterized in that: The winding mechanism comprises a winding switching disk (12), a switching shaft is fixed to the middle rear part of the winding switching disk (12), a switching motor (22) is fixed to the rear end of the switching shaft, the switching motor (22) is fixed to a frame, the frame is fixed on the workbench (1), two winding shafts (14) symmetrical about the switching shaft are arranged on the winding switching disk (12), and a winding motor (23) is fixed to the rear end of the winding shaft (14).

5. The high-speed dry laminating machine for printing flexible packaging film according to claim 4, characterized in that: A fixed limit plate (24) is fixed to the inner end of the winding shaft (14), a movable limit plate (15) is sleeved on the winding shaft (14), an adjustment sleeve (13) sleeved on the winding shaft (14) is fixed to the outer side of the movable limit plate (15), and a locking bolt is provided on the adjustment sleeve (13).

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