Film winding mechanism

Abstract

The film winding mechanism comprises a machine body and a winding roller, the top of the machine body is fixedly connected with a supporting frame, the interior of the supporting frame is movably connected with a rotating shaft, the top of the supporting frame is provided with a power assembly for driving the rotating shaft to rotate, and the two ends of the rotating shaft are fixedly connected with winding and unwinding rollers. A pull rope is fixed and connected to the outer side of the winding and unwinding roller in a wound mode, pull rings are fixed to one end of the pull rope, the two ends of the winding roller are inserted into the pull rings at the corresponding positions respectively, a first motor is fixedly connected to the outer wall of one side of the machine body, one side of the machine body is rotationally connected with a rotating block, and one end of an output shaft of the first motor is fixed to the rotating block. And one side of the rotating block is fixedly connected with a convex block. According to the film winding device, the winding roller can be conveniently installed upwards, physical strength is saved, meanwhile, the moving height of the pull ring can be limited through the limiting block, and a film can be flattened in an auxiliary mode through the pressing frame before being wound.

Description

Technical Field

[0001] This utility model relates to the field of thin film technology, and in particular to a thin film winding mechanism. Background Technology

[0002] During the production and processing of plastic film, winding equipment is required to wind the film. Winding equipment generally includes a pull ring and an unwinding roller, which, together with a motor and a timing belt, make the pull ring and the unwinding roller rotate synchronously, thereby winding the film.

[0003] A search revealed Chinese patent CN218642079U, which discloses a film winding mechanism including a base, a pull ring, and an unwinding roller. A pressure roller is provided on the outside of the column. This mechanism can conveniently and quickly provide appropriate pressure to the film, achieving the advantages of pressure roller adjustment and improved practicality. However, it still has the following drawback: the unwinding roller needs to be manually moved onto the winding mechanism by the operator, resulting in time-consuming, labor-intensive, and inconvenient operation. Summary of the Invention

[0004] The purpose of this invention is to address the shortcomings of existing technologies by proposing a film winding mechanism.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] A film winding mechanism includes a body and a winding roller. A support frame is fixedly connected to the top of the body, and a rotating shaft is movably connected inside the support frame. A power assembly for driving the rotating shaft is provided on the top of the support frame. Take-up and untake-up rollers are fixedly connected to both ends of the rotating shaft. A pull rope is fixedly wound around the outside of the take-up and untake-up rollers. A pull ring is fixed to one end of the pull rope, and both ends of the winding roller are respectively inserted into the pull rings at corresponding positions. A first motor is fixedly connected to the outer wall of one side of the body. A rotating block is rotatably connected to one side of the body, and one end of the output shaft of the first motor is fixed to the rotating block. A protrusion is fixedly connected to one side of the rotating block. Grooves are provided at both ends of the winding roller, and the protrusion engages with the grooves.

[0007] As a further embodiment of this utility model, the power assembly includes a second motor, which is fixed to the upper surface of the support frame by bolts. A worm gear is movably connected to the bottom of the support frame, and one end of the output shaft of the second motor is fixed to the worm gear. A worm wheel is keyed to the outer side of the rotating shaft, and the worm wheel meshes with the worm gear.

[0008] As a further embodiment of this utility model, positioning frames are fixedly connected to the inner walls of both sides of the machine body, and a limit block is fixedly connected to one side of the positioning frame.

[0009] As a further embodiment of this invention, the diagonal line at the bottom of the positioning frame can contact the side of the pull ring, and the bottom of the limiting block can contact the top of the pull ring.

[0010] As a further embodiment of this invention, a fixed roller is movably connected inside the machine body, and the fixed roller is located on the side of the take-up roller.

[0011] As a further embodiment of this utility model, a fixed plate is fixedly connected to the top of the body, and two telescopic rods are fixedly connected to the bottom of the fixed plate. A pressure frame is fixedly connected between the extended ends of the two telescopic rods, and two springs are fixedly connected to the upper surface of the pressure frame, with the top ends of the springs fixed to the fixed plate.

[0012] As a further embodiment of this invention, the pressure frame is located above the fixed roller.

[0013] The beneficial effects of this utility model are as follows:

[0014] 1. This utility model uses the winding and unwinding of the pull rope to drive the pull ring to move up and down, thereby facilitating the installation and handling of the winding roller, avoiding the time and effort of manually carrying the winding roller upwards, saving physical strength, and improving the convenience of the device.

[0015] 2. This utility model can limit the height of the pull ring movement by using a limiting block, avoiding the time and effort required to repeatedly adjust the installation position of the pull ring, thus improving the effectiveness of the device.

[0016] 3. By using springs, the pressure frame comes into contact with films of different thicknesses, which helps to flatten the film before winding, preventing it from wrinkling easily and improving the winding effect of the device. Attached Figure Description

[0017] Figure 1 This is a three-dimensional structural diagram of a film winding mechanism proposed in this utility model;

[0018] Figure 2 This is a partial cross-sectional view of a film winding mechanism proposed in this utility model.

[0019] Figure 3 This is an enlarged structural diagram of part A of a film winding mechanism proposed in this utility model.

[0020] In the diagram: 1. Machine body; 2. Telescopic rod; 3. Fixed roller; 4. Fixed plate; 5. Spring; 6. Pressure frame; 7. Support frame; 8. Worm gear; 9. Worm; 10. Rotating shaft; 11. Pull ring; 12. Take-up and untake-down rollers; 13. Pull rope; 14. Positioning frame; 15. Protrusion; 16. Rotating block; 17. Groove; 18. Limiting block; 19. Take-up roller. Detailed Implementation

[0021] It should be noted that the terms "first," "second," etc., in the specification, claims, and accompanying drawings of this application are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. Therefore, all other embodiments of this application described herein, and all embodiments obtained by those skilled in the art without creative effort based on the embodiments in this application, should fall within the scope of protection of this application.

[0022] Reference Figures 1-3 A film winding mechanism includes a body 1 and a winding roller 19. A support frame 7 is bolted to the top of the body 1. A rotating shaft 10 is rotatably connected inside the support frame 7. A power assembly for driving the rotating shaft 10 is located on the top of the support frame 7. Both ends of the rotating shaft 10 are bolted to take-up and untake-up rollers 12. A pull rope 13 is fixed to and wound around the outside of the take-up and untake-up rollers 12. A pull ring 11 is fixed to one end of the pull rope 13, and both ends of the winding roller 19 are inserted into the corresponding pull rings 11. A first motor is bolted to one side of the outer wall of the body 1. One side is rotatably connected to the rotating block 16, and one end of the output shaft of the first motor is fixed to the rotating block 16. A protrusion 15 is welded to one side of the rotating block 16. The connecting ends of both ends of the take-up roller 19 are provided with grooves 17, and the protrusion 15 is engaged with the grooves 17. The pull ring 11 is put into both ends of the take-up roller 19. The power component drives the rotating shaft 10 to drive the pull rope 13 on the take-up and unwind roller 12 to wind up, thereby causing the pull ring 11 to pull the take-up roller 19 upward until the protrusion 15 on the rotating block 16 is engaged in the groove 17. At this time, the installation of the take-up roller 19 is completed.

[0023] In this invention, it should be noted that pulling one end of the outer film roll allows it to pass between the fixed roller 3 and the pressure frame 6, and then wrapping it around the outside of the take-up roller 19. Starting the first motor causes the rotating block 16 to rotate through the cooperation of the protrusion 15 and the groove 17, thereby achieving the winding of the film. The power assembly includes a second motor, which is bolted to the upper surface of the support frame 7. A worm gear 9 is rotatably connected to the bottom of the support frame 7, and one end of the output shaft of the second motor... The end is fixed to the worm 9, and the outer side of the rotating shaft 10 is keyed to a worm wheel 8, which meshes with the worm 9. The rotation of the second motor causes the worm 9 to drive the worm wheel 8 to rotate, thereby causing the rotating shaft 10 to drive the take-up and undo rollers 12 to rotate and wind up the pull rope 13. The inner walls on both sides of the machine body 1 are fixed with positioning frames 14 by bolts. During the process of the pull ring 11 driving the take-up roller 19 to rise, the pull ring 11 can contact the inclined surface at the bottom of the positioning frame 14, thereby causing the pull ring 11 to be squeezed and move closer to the take-up roller 19. One side of the positioning frame 14 is fixed with a limit block facing 18 by bolts. The diagonal line at the bottom of the positioning frame 14 can contact the side of the pull ring 11. The bottom of the limit block 18 can contact the top of the pull ring 11. The limit block 18 can limit the height of the pull ring 11 movement, avoiding the time and effort of repeatedly adjusting the installation position of the pull ring 11. The machine body 1 is internally connected to a fixed roller 3, and the fixed roller 3 is located on the side of the take-up roller 19. The fixed roller 3 facilitates the positioning and guidance of the film. The top of the machine body 1 is fixed with a fixed plate 4 by bolts. The bottom of the fixed plate 4 is fixed with two telescopic rods 2 by bolts. The extension ends of the two telescopic rods 2 are fixed with a pressure frame 6 by bolts. The telescopic rods 2 can guide the pressure frame 6, enabling it to move up and down stably. Two springs 5 ​​are welded to the upper surface of the pressure frame 6, and the top of the springs 5 ​​are fixed to the fixed plate 4. Through the setting of the springs 5, the pressure frame 6 can contact films of different thicknesses, so that the film can be flattened before take-up, avoiding wrinkles. The pressure frame 6 is located above the fixed roller 3.

[0024] Working principle: When the film needs to be wound up, first place the take-up roller 19 to be installed at the bottom of the side of the machine body 1, so that it is below the rotating shaft 10. The take-up and unwind roller 12 is used by the power assembly to unwind the pull rope 13, so that the pull ring 11 moves to the corresponding position at both ends of the take-up roller 19. Then, the pull ring 11 is put into both ends of the take-up roller 19. Start the second motor. The rotation of the second motor causes the worm 9 to drive the worm wheel 8 to rotate, so that the rotating shaft 10 drives the take-up and unwind roller 12 to rotate and wind up the pull rope 13. This causes the pull ring 11 to pull the take-up roller 19 upward until the protrusion 15 on the rotating block 16 is engaged in the groove 17. At this time, the installation of the take-up roller 19 is completed. Then, pull one end of the outer film roll so that it passes between the fixed roller 3 and the pressure frame 6, and then wraps around the outside of the take-up roller 19. Start the first motor. The rotation of the first motor causes the rotating block 16 to drive the take-up roller 19 to rotate through the cooperation of the protrusion 15 and the groove 17, so as to realize the winding of the film.

[0025] This utility model has been described through the above embodiments. Those skilled in the art will understand that this utility model is not limited to the above embodiments. Many more modifications can be made based on the teachings of this utility model, and all such modifications fall within the scope of protection claimed by this utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A film winding mechanism, comprising a body (1) and a winding roller (19), characterized in that, A support frame (7) is fixedly connected to the top of the machine body (1). A rotating shaft (10) is movably connected inside the support frame (7). A power assembly that drives the rotating shaft (10) to rotate is provided on the top of the support frame (7). Both ends of the rotating shaft (10) are fixedly connected to take-up and release rollers (12). A pull rope (13) is fixedly wound around the outside of the take-up and release rollers (12). A pull ring (11) is fixed at one end of the pull rope (13). Both ends of the take-up roller (19) are inserted into the pull rings (11) at the corresponding positions. A first motor is fixedly connected to the outer wall of one side of the machine body (1). A rotating block (16) is rotatably connected to one side of the machine body (1). One end of the output shaft of the first motor is fixed to the rotating block (16). A protrusion (15) is fixedly connected to one side of the rotating block (16). Grooves (17) are provided at both ends of the take-up roller (19). The protrusion (15) and the groove (17) are engaged.

2. The film winding mechanism according to claim 1, characterized in that, The power assembly includes a second motor, which is fixed to the upper surface of the support frame (7) by bolts. The bottom of the support frame (7) is movably connected to a worm gear (9), and one end of the output shaft of the second motor is fixed to the worm gear (9). The outer side of the rotating shaft (10) is keyed to a worm wheel (8), and the worm wheel (8) meshes with the worm gear (9).

3. The film winding mechanism according to claim 1, characterized in that, The inner walls of both sides of the body (1) are fixedly connected to positioning frames (14), and a limit block (18) is fixedly connected to one side of the positioning frame (14).

4. A film winding mechanism according to claim 3, characterized in that, The diagonal line at the bottom of the positioning frame (14) can contact the side of the pull ring (11), and the bottom of the limiting block (18) can contact the top of the pull ring (11).

5. A film winding mechanism according to claim 1, characterized in that, The machine body (1) is internally connected to a fixed roller (3), and the fixed roller (3) is located on the side of the take-up roller (19).

6. A film winding mechanism according to claim 5, characterized in that, The top of the body (1) is fixedly connected to a fixed plate (4), and the bottom of the fixed plate (4) is fixedly connected to two telescopic rods (2). A pressure frame (6) is fixedly connected between the extended ends of the two telescopic rods (2). Two springs (5) are fixedly connected to the upper surface of the pressure frame (6), and the top of the springs (5) is fixed to the fixed plate (4).

7. A film winding mechanism according to claim 6, characterized in that, The pressure frame (6) is located above the fixed roller (3).

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