Cutting mechanism for a film winding machine
By using cylinder clamping, a cutting mechanism, and servo motor adjustment, the problems of film contamination and entanglement after cutting by the film wrapping machine are solved, achieving clean and efficient film wrapping.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- NINGBO BOMAN ENVIRONMENTAL PROTECTION TECHNOLOGY CO LTD
- Filing Date
- 2025-01-04
- Publication Date
- 2026-06-30
AI Technical Summary
Existing film wrapping machines cause contamination and entanglement at the cut end after the film is cut, affecting subsequent use.
The system uses a cylinder to drive the clamping plate and the cutting mechanism to clamp and cut the film. The cylinder also drives the pressure roller to adjust the tension, ensuring that the film adheres tightly to the product surface. The height of the film roller is adjusted by a servo motor to prevent the cut end from touching the ground.
It effectively prevents the cut end of the film from falling to the ground and causing contamination, avoids tangling, and improves work efficiency and the firmness of film winding.
Smart Images
Figure CN224428157U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of film winding technology, specifically referring to a cutting mechanism for a film winding machine. Background Technology
[0002] In modern industrial production, film wrapping machines are widely used in the packaging of various products. These machines protect products, providing moisture and dust protection by wrapping film around their surfaces. However, existing film wrapping machines often separate the two cut ends of the film after cutting, causing the cut ends to fall directly to the ground. This contaminates the film, affecting its subsequent use. Furthermore, the film may become entangled with other items after falling to the ground, making subsequent cleanup very difficult. Utility Model Content
[0003] In order to overcome the shortcomings of the prior art, this utility model provides a cutting mechanism for a film wrapping machine, which effectively solves the problem that the cut section of the film is on the ground after cutting, affecting subsequent use.
[0004] To achieve the above functions, the technical solution adopted by this utility model is as follows: a cutting mechanism for a film wrapping machine, including a support frame, a rotary motor and a rotating frame, wherein the rotary motor is fixed on the top of the support frame, the rotating frame is fixed on the output shaft of the rotary motor, a movable mounting block is slidably provided on the side of the rotating frame, a vertically arranged rotating shaft is rotatably provided on the movable mounting block, a connecting frame is fixed on the rotating shaft, and a film roller is provided on the connecting frame;
[0005] The top and bottom of the connecting frame are fixed with mounting end plates. A horizontal cylinder is fixed on the mounting end plate. A connecting frame is fixed at one end of the cylinder. Cylinders three and four are symmetrically arranged on the side of the connecting frame. A clamping plate is fixed at the movable end of cylinder three. A cutter is fixed at the movable end of cylinder four.
[0006] Preferably, a second cylinder is provided on one side of the connecting frame, and a roller frame is fixed to one end of the second cylinder, on which a pressure roller is installed.
[0007] Preferably, the connecting frame has two sets of symmetrical limiting guide rods fixed on the side near the cutter.
[0008] Preferably, the bottom of the movable mounting block is also provided with a drive motor, the output end of the drive motor is connected to a drive gear, and a sleeve gear is fixedly sleeved on the rotating shaft, with the drive gear and the sleeve gear meshing together.
[0009] Preferably, the rotating frame is provided with a threaded rod that is threadedly connected to the movable mounting block on its side, and a servo motor is connected to the top end of the threaded rod, which is fixedly connected to the output end of the servo motor.
[0010] Preferably, the outer surface of the clamping plate is coated with an anti-slip layer.
[0011] Preferably, two reinforcing rods parallel to the rotating shaft are fixed on both sides of the connecting frame.
[0012] The beneficial effects achieved by adopting the above-described structure are as follows:
[0013] 1. The film is clamped and fixed by the clamping plate driven by cylinder three, and the film is cut by the cutter driven by cylinder four. After the film is cut, it can effectively prevent the cut end of the film from falling to the ground, thereby avoiding the film from being contaminated. At the same time, it also prevents the film from getting tangled with other items, thus improving work efficiency.
[0014] 2. The pressure roller is moved by the second cylinder to adjust the tension of the film, so that the film adheres tightly to the surface of the packaged item and the film is wrapped more securely. Attached Figure Description
[0015] Figure 1 This invention provides a schematic diagram of the overall structure of a cutting mechanism for a film wrapping machine. Figure 1 ;
[0016] Figure 2 This invention provides a schematic diagram of the overall structure of a cutting mechanism for a film wrapping machine. Figure 2 ;
[0017] Figure 3 This utility model provides a schematic diagram of the connecting frame and connecting bracket of the cutting mechanism for a film wrapping machine. Figure 1 ;
[0018] Figure 4 for Figure 3 A magnified view of a section at point A in the middle;
[0019] Figure 5 This utility model provides a schematic diagram of the connecting frame and connecting bracket of the cutting mechanism for a film wrapping machine. Figure 2 ;
[0020] Figure 6 This is a cross-sectional view of the connecting frame and connecting bracket of the cutting mechanism for a film wrapping machine proposed in this utility model.
[0021] The components are as follows: 1. Support frame, 2. Rotary motor, 3. Rotating frame, 4. Movable mounting block, 5. Rotating shaft, 6. Connecting frame, 7. Film roller, 8. Mounting end plate, 9. Cylinder 1, 10. Connecting frame, 11. Cylinder 3, 12. Cylinder 4, 13. Clamping plate, 14. Cutter, 15. Cylinder 2, 16. Roller frame, 17. Pressure roller, 18. Limiting guide rod, 19. Drive motor, 20. Drive gear, 21. Sleeve gear, 22. Threaded rod, 23. Servo motor, 24. Reinforcing rod. Detailed Implementation
[0022] The technical solution of this utility model will now be clearly and completely described with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.
[0023] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance. The utility model will be further described in detail below with reference to the accompanying drawings.
[0024] like Figure 1-6 As shown, the present invention proposes a cutting mechanism for a film wrapping machine, comprising a support frame 1, a rotary motor 2, and a rotating frame 3. The rotary motor 2 is fixed to the top of the support frame 1, and the rotating frame 3 is fixed to the output shaft of the rotary motor 2. A movable mounting block 4 is slidably provided on the side of the rotating frame 3. A vertically arranged rotating shaft 5 is rotatably provided on the movable mounting block 4. A connecting frame 6 is fixed on the rotating shaft 5, and a film roller 7 is provided on the connecting frame 6. Mounting end plates 8 are fixed to the top and bottom of the connecting frame 6. A horizontal cylinder 9 is fixed on the mounting end plate 8. A connecting frame 10 is fixed to one end of the cylinder 9. A cylinder 11 and a cylinder 12 are symmetrically provided on the side of the connecting frame 10. A clamping plate 13 is fixed to the movable end of the cylinder 11, and a cutter 14 is fixed to the movable end of the cylinder 12. The cylinder 11 drives the clamping plate 13 to clamp and fix the film, and the cylinder 12 drives the cutter 14 to cut the film. An anti-slip layer is coated on the outer surface of the clamping plate 13 to increase the friction with the film and clamp the film.
[0025] like Figure 3 , 5As shown in Figure 6, a second cylinder 15 is also provided on one side of the connecting frame 6. A roller frame 16 is fixed to one end of the second cylinder 15, and a pressure roller 17 is installed on the roller frame 16. The second cylinder 15 drives the pressure roller 17 to move, adjusting the tension of the film so that the film fits tightly against the surface of the packaged item, making the film more securely wrapped. Two sets of symmetrical limiting guide rods 18 are fixed on the side of the connecting frame 10 near the cutter 14 to limit the film and pass the film through the limiting guide rods 18. Two reinforcing rods 24 parallel to the rotating shaft 5 are fixed on both sides of the connecting frame 6 to increase the support strength of the connecting frame 6.
[0026] like Figure 4 As shown, the bottom of the movable mounting block 4 is also equipped with a drive motor 19. A drive gear 20 is connected to the output end of the drive motor 19. A sleeve gear 21 is fixedly sleeved on the rotating shaft 5. The drive gear 20 and the sleeve gear 21 are meshed. The drive motor 19 drives the drive gear 20 to rotate, the drive gear 20 drives the sleeve gear 21 to rotate, and then drives the rotating shaft 5 to rotate. The rotating shaft 5 drives the connecting frame 6 and the connecting frame 10 to rotate as a whole, thereby adjusting the film outlet direction.
[0027] like Figure 1 As shown, the rotating frame 3 has a threaded rod 22 that is threadedly connected to the movable mounting block 4 on its side. The top of the threaded rod 22 is connected to a servo motor 23, and the top of the threaded rod 22 is fixedly connected to the output end of the servo motor 23. The servo motor 23 drives the threaded rod 22 to rotate, which in turn drives the movable mounting block 4 to move up and down, thereby adjusting the height of the film roller 7 and completely wrapping the film around the product.
[0028] In practical use, drive motor 19 drives drive gear 20 to rotate, drive gear 20 drives sleeve gear 21 to rotate, which in turn drives shaft 5 to rotate. Shaft 5 drives connecting frame 6 and connecting frame 10 to rotate as a whole, adjusting the film output direction. One end of the film on the film roll is pulled out through the pressure roller 17, connecting frame 10 and limiting guide rod 18 and placed on the outer surface of the product. Rotary motor 2 drives rotating frame 3 to rotate as a whole, servo motor 23 drives threaded rod 22 to rotate, which in turn drives moving mounting block 4 to move up and down, adjusting the height of film roller 7 and wrapping the film around the outer surface of the product. After wrapping is completed, cylinder 3 11 drives clamping plate 13 to approach the film and press the film, and cylinder 4 12 drives cutter 14 to approach the film and cut the film, effectively preventing the cut end of the film from falling to the ground, thus avoiding film contamination. At the same time, it also prevents the film from getting tangled with other items, improving work efficiency.
[0029] The present invention and its embodiments have been described above. This description is not restrictive, and the accompanying drawings are only one embodiment of the present invention; the actual structure is not limited thereto. In conclusion, if those skilled in the art are inspired by this description and design similar structures and embodiments without departing from the inventive spirit of the present invention, such designs should fall within the protection scope of the present invention.
Claims
1. A cutting mechanism for a film winding machine, characterized by: It includes a support frame (1), a rotary motor (2) and a rotating frame (3). The rotary motor (2) is fixed on the top of the support frame (1), and the rotating frame (3) is fixed on the output shaft of the rotary motor (2). The rotating frame (3) has a movable mounting block (4) that slides up and down on its side. A vertically arranged rotating shaft (5) is rotatably mounted on the movable mounting block (4). A connecting frame (6) is fixed on the rotating shaft (5), and a film roller (7) is mounted on the connecting frame (6). The top and bottom of the connecting frame (6) are fixed with mounting end plates (8), and a horizontal cylinder (9) is fixed on the mounting end plate (8). A connecting frame (10) is fixed at one end of the cylinder (9). A cylinder (11) and a cylinder (12) are symmetrically arranged on the side of the connecting frame (10). A clamping plate (13) is fixed at the movable end of the cylinder (11), and a cutter (14) is fixed at the movable end of the cylinder (12).
2. The cutting mechanism for a film winding machine according to claim 1, characterized in that: A cylinder two (15) is also provided on one side of the connecting frame (6). A roller frame (16) is fixed at one end of the cylinder two (15), and a pressure roller (17) is installed on the roller frame (16).
3. The cutting mechanism for a film winding machine according to claim 2, characterized in that: The connecting frame (10) has two sets of symmetrical limiting guide rods (18) fixed on the side near the cutter (14).
4. The cutting mechanism for a film winding machine according to claim 3, characterized in that: The bottom of the movable mounting block (4) is also provided with a drive motor (19), and a drive gear (20) is connected to the output end of the drive motor (19). A sleeve gear (21) is fixedly sleeved on the rotating shaft (5), and the drive gear (20) and the sleeve gear (21) are meshed.
5. A cutting mechanism for a film winding machine according to claim 4, characterized in that: The rotating frame (3) is provided with a threaded rod (22) that is threadedly connected to the movable mounting block (4) on its side. The top end of the threaded rod (22) is connected to a servo motor (23), and the top end of the threaded rod (22) is fixedly connected to the output end of the servo motor (23).
6. The cutting mechanism for a film winding machine according to claim 5, characterized in that: The outer surface of the clamping plate (13) is coated with an anti-slip layer.
7. A cutting mechanism for a film winding machine according to claim 6, characterized in that: The connecting frame (6) has two reinforcing rods (24) fixed on both sides of the rotating shaft (5) and parallel to the rotating shaft (5).