Anti-loosening clamping mechanism for thin film coiled material
The motor-driven clamping mechanism using a limit plate and telescopic rod solves the problem of poor adaptability of traditional clamping mechanisms, realizes automated adaptation and stable operation of film rolls, and improves production efficiency and product quality.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- HUBEI HYF PACKAGING CO LTD
- Filing Date
- 2025-07-29
- Publication Date
- 2026-05-15
AI Technical Summary
Traditional clamping mechanisms are difficult to adapt to film rolls of different diameters or widths. They are prone to loosening at high speeds and require frequent manual intervention, leading to problems with production efficiency and product quality.
A clamping mechanism including a limiting plate, a telescopic rod, and a connecting rod was designed. It achieves dynamic adjustment through motor drive and, together with the threaded rod moving plate, precisely constrains the end face of the roll material, adapting to film rolls of different widths and preventing loosening and deviation.
It automatically adapts to different roll widths, eliminating the need for manual clamp adjustment, significantly reducing roll changeover time, improving production efficiency, and ensuring stable roll operation.
Smart Images
Figure CN224242301U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of film roll technology, specifically relating to a film roll anti-loosening clamping mechanism. Background Technology
[0002] During the production, transportation and use of film rolls, preventing loosening and securing are key issues to ensure stable unwinding or rewinding of the rolls. Film rolls are usually wound on hollow paper tubes or metal cores. When operating at high speed or frequently starting and stopping, they are prone to loosening, deviation or even breakage due to inertia, uneven tension or insecure fixing, which affects production efficiency and product quality.
[0003] Traditional clamping mechanisms are difficult to adapt to rolls of different diameters or widths, and adjustments are time-consuming. They are also prone to loosening due to vibration during high-speed operation, requiring frequent manual intervention. Utility Model Content
[0004] The technical problem to be solved by this utility model is to overcome the existing defects and provide a film roll anti-loosening clamping mechanism to solve the problems mentioned in the background art, such as the difficulty of adapting to rolls of different diameters or widths, the time-consuming adjustment, the easy loosening due to vibration during high-speed operation, and the need for frequent manual intervention.
[0005] To achieve the above objectives, this utility model provides the following technical solution: a film roll anti-loosening clamping mechanism, comprising a base, a support plate fixedly connected to one side of the top of the base, a first motor fixedly connected to one side of the support plate, a first rotating block fixedly connected to the output end of the first motor, a rotating plate fixedly connected to one side of the first rotating block, a telescopic rod fixedly connected to one side of the rotating plate, an installation frame fixedly connected to the telescopic end of the telescopic rod, a fixing block fixedly connected to the outside of the installation frame, connecting rods symmetrically rotatably connected to both sides of the fixing block, a through groove provided on one side of the rotating plate, a limit plate slidably connected inside the through groove, and the other end of the connecting rod rotatably connected to one side of the limit plate.
[0006] Preferably, a first groove is symmetrically provided on one side of the top of the base, a second motor is fixedly connected to one side of the base, a first threaded rod is fixedly connected to the output end of the second motor, a movable plate is threadedly connected to the outer side of the first threaded rod, a second rotating block is rotatably connected to one side of the movable plate, and a limit frame is fixedly connected to one side of the second rotating block.
[0007] Preferably, support rods are fixedly connected to all four corners of one side of the bottom of the base.
[0008] Preferably, the rotating plate has a second groove symmetrically arranged on one side, a fixing rod is fixedly connected between the two sides inside the second groove, the limiting plate is slidably connected to the outside of the fixing rod, and the through groove is located between the two second grooves.
[0009] Preferably, a first sliding rod is fixedly connected between the two sides inside the first groove, and the other end of the movable plate is slidably connected to the outside of the first sliding rod.
[0010] Preferably, there are multiple fixed blocks and through slots, and the first rotating block is rotatably connected to one side of the support plate.
[0011] Preferably, the top of the limiting plate is arc-shaped.
[0012] Preferably, the first threaded rod is rotatably connected between the two sides inside the first groove.
[0013] Compared with the prior art, this utility model provides a film roll anti-loosening clamping mechanism, which has the following beneficial effects:
[0014] 1. By setting a limiting plate, the telescopic rod and connecting rod mechanism of this utility model can dynamically adjust the position of the mounting frame. With the sliding design of the limiting plate, it can automatically adapt to film rolls of different widths without the need to manually change the clamps or adjust the mechanical structure, which significantly reduces roll change time and improves production efficiency.
[0015] 2. By setting a limiting frame, the second motor can be started to drive the first threaded rod to rotate, which in turn can drive the moving plate to move. The limiting frame moves through the threaded rod to accurately constrain the end face of the roll material and prevent it from deviating.
[0016] The parts of this device not covered herein are the same as or can be implemented using existing technologies. This utility model has a scientific and reasonable structure, is safe and convenient to use, and provides great help to people. Attached Figure Description
[0017] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation thereof. In the drawings:
[0018] Figure 1 This is a schematic diagram of the main body of a film roll anti-loosening clamping mechanism proposed in this utility model;
[0019] Figure 2 This is a top view of the structure of a film roll anti-loosening clamping mechanism proposed in this utility model;
[0020] Figure 3 This is a schematic diagram of the installation frame of the anti-loosening clamping mechanism for film rolls proposed in this utility model;
[0021] Figure 4 This is a rear view of the rotating plate of the anti-loosening clamping mechanism for film rolls proposed in this utility model;
[0022] Figure 5 This is a schematic diagram of the limiting frame of a film roll anti-loosening clamping mechanism proposed in this utility model;
[0023] In the diagram: 1. Base; 2. Support plate; 3. First motor; 4. First rotating block; 5. Rotating plate; 6. Telescopic rod; 7. Mounting frame; 8. Fixing block; 9. Connecting rod; 10. Through groove; 11. Limiting plate; 12. First groove; 13. Second motor; 14. First threaded rod; 15. Moving plate; 16. Second rotating block; 17. Limiting frame; 18. Support rod; 19. Second groove; 20. Fixing rod; 21. First sliding rod. Detailed Implementation
[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0025] Please see Figure 1-5 This utility model provides a technical solution: a film roll anti-loosening clamping mechanism, including a base 1, a support plate 2 fixedly connected to one side of the top of the base 1, a first motor 3 fixedly connected to one side of the support plate 2, a first rotating block 4 fixedly connected to the output end of the first motor 3, a rotating plate 5 fixedly connected to one side of the first rotating block 4, a telescopic rod 6 fixedly connected to one side of the rotating plate 5, a mounting frame 7 fixedly connected to the telescopic end of the telescopic rod 6, a fixing block 8 fixedly connected to the outside of the mounting frame 7, connecting rods 9 symmetrically rotatably connected to both sides of the fixing block 8, a through groove 10 provided on one side of the rotating plate 5, a limit plate 11 slidably connected inside the through groove 10, and connecting rods 9... The other end is rotatably connected to one side of the limiting plate 11. The first motor 3 drives the rotating plate 5 to rotate, which in turn drives the telescopic rod 6 and the mounting frame 7 to move. When the telescopic rod 6 extends, it pushes the fixing block 8 to move outward, causing the symmetrically arranged connecting rods 9 to rotate. This, in turn, pulls the limiting plate 11 to slide along the through groove 10 and tighten inward. This action can achieve radial clamping of the inner wall of the roll material to prevent the roll material from loosening. Conversely, when the telescopic rod 6 retracts, the connecting rod 9 pushes the limiting plate 11 to move outward, loosening the roll material for easy loading and unloading. At the same time, it can automatically adapt to film rolls of different widths without the need for manual replacement of clamps or adjustment of mechanical structure, significantly reducing roll change time and improving production efficiency.
[0026] In this invention, preferably, a first groove 12 is symmetrically arranged on one side of the top of the base 1. A second motor 13 is fixedly connected to one side of the base 1. A first threaded rod 14 is fixedly connected to the output end of the second motor 13. A movable plate 15 is threadedly connected to the outer side of the first threaded rod 14. A second rotating block 16 is rotatably connected to one side of the movable plate 15. A limit frame 17 is fixedly connected to one side of the second rotating block 16. The second motor 13 drives the first threaded rod 14 to rotate, causing the movable plate 15 to move horizontally, which in turn moves the limit frame 17 closer to or away from the end face of the roll material. When the limit frame 17 is pressed against the roll material, axial movement can be prevented.
[0027] In this utility model, preferably, support rods 18 are fixedly connected to the four corners of one side of the bottom of the base 1.
[0028] In this utility model, preferably, a second groove 19 is symmetrically arranged on one side of the rotating plate 5. A fixing rod 20 is fixedly connected between the two sides inside the second groove 19. The limiting plate 11 is slidably connected to the outside of the fixing rod 20. The through groove 10 is located between the two second grooves 19. The limiting plate 11 is guided by the fixing rod 20 to slide in the second groove 19, ensuring the straightness of its movement trajectory and avoiding the limiting plate 11 from tilting due to the rotation of the connecting rod 9, thereby applying force evenly to the inner wall of the roll material.
[0029] In this utility model, preferably, a first sliding rod 21 is fixedly connected between the two sides inside the first groove 12, and the other end of the moving plate 15 is slidably connected to the outside of the first sliding rod 21. The first sliding rod 21 plays a role in limiting the movement of the moving plate 15. Several fixed blocks 8 and through grooves 10 are provided. The first rotating block 4 is rotatably connected to one side of the support plate 2.
[0030] In this utility model, preferably, the top of the limiting plate 11 is arc-shaped. The arc-shaped design of the top of the limiting plate 11 fits the cylindrical surface of the inner wall of the roll material, increasing the contact area, reducing the pressure damage to the inner wall of the roll material, and improving the friction. The first threaded rod 14 is rotatably connected between the two sides inside a first groove 12.
[0031] The working principle and usage process of this utility model are as follows: In use, the first motor 3 drives the rotating plate 5 to rotate, causing the telescopic rod 6 and the mounting frame 7 to move. When the telescopic rod 6 extends, it pushes the fixing block 8 outward, causing the symmetrically arranged connecting rods 9 to rotate. This, in turn, pulls the limiting plate 11 to slide along the through groove 10 and tighten inward. This action achieves radial clamping of the inner wall of the roll material, preventing it from loosening. Conversely, when the telescopic rod 6 retracts, the connecting rod 9 pushes the limiting plate 11 outward, loosening the roll material for easy loading and unloading. It can automatically adapt to film rolls of different widths, eliminating the need for manual clamp replacement or mechanical structure adjustment, significantly reducing roll change time and improving production efficiency. The second motor 13 drives the first threaded rod 14 to rotate, causing the moving plate 15 to move horizontally, moving the limiting frame 17 closer to or away from the roll material end face. When the limiting frame 17 is pressed against the roll material, it prevents axial movement.
[0032] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A film roll anti-loosening clamping mechanism, comprising a base (1), characterized in that: A support plate (2) is fixedly connected to one side of the top of the base (1). A first motor (3) is fixedly connected to one side of the support plate (2). A first rotating block (4) is fixedly connected to the output end of the first motor (3). A rotating plate (5) is fixedly connected to one side of the first rotating block (4). A telescopic rod (6) is fixedly connected to one side of the rotating plate (5). An installation frame (7) is fixedly connected to the telescopic end of the telescopic rod (6). A fixing block (8) is fixedly connected to the outside of the installation frame (7). A connecting rod (9) is symmetrically rotated on both sides of the fixing block (8). A through groove (10) is provided on one side of the rotating plate (5). A limit plate (11) is slidably connected inside the through groove (10). The other end of the connecting rod (9) is rotatably connected to one side of the limit plate (11).
2. The anti-loosening clamping mechanism for film rolls according to claim 1, characterized in that: The base (1) has a first groove (12) symmetrically arranged on one side of the top. A second motor (13) is fixedly connected to one side of the base (1). A first threaded rod (14) is fixedly connected to the output end of the second motor (13). A moving plate (15) is threadedly connected to the outside of the first threaded rod (14). A second rotating block (16) is rotatably connected to one side of the moving plate (15). A limit frame (17) is fixedly connected to one side of the second rotating block (16).
3. The anti-loosening clamping mechanism for film rolls according to claim 1, characterized in that: The base (1) has support rods (18) fixedly connected to the four corners of one side of the bottom.
4. The anti-loosening clamping mechanism for film rolls according to claim 1, characterized in that: The rotating plate (5) has a second groove (19) symmetrically arranged on one side. A fixing rod (20) is fixedly connected between the two sides inside the second groove (19). The limiting plate (11) is slidably connected to the outside of the fixing rod (20). The through groove (10) is located between the two second grooves (19).
5. The anti-loosening clamping mechanism for film rolls according to claim 2, characterized in that: A first sliding rod (21) is fixedly connected between the two sides inside the first groove (12), and the other end of the moving plate (15) is slidably connected to the outside of the first sliding rod (21).
6. The anti-loosening clamping mechanism for film rolls according to claim 1, characterized in that: Both the fixed block (8) and the through slot (10) are provided in several places, and the first rotating block (4) is rotatably connected to one side of the support plate (2).
7. The anti-loosening clamping mechanism for film rolls according to claim 1, characterized in that: The top of the limiting plate (11) is arc-shaped.
8. The anti-loosening clamping mechanism for film rolls according to claim 2, characterized in that: The first threaded rod (14) is rotatably connected between the two sides inside the first groove (12).