Winding film tensioning device
By introducing a pressure stabilizing and repair mechanism into the stretch film tensioning device, the problem of wrinkles in the stretch film during tensioning is solved, achieving stable winding and wrinkle repair, and improving the winding quality of the stretch film.
Patent Information
- Application Number
- CN202520234978.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-14
- Publication Date
- 2025-12-05
- Estimated Expiration
- 2035-02-14
AI Technical Summary
Existing stretch film tensioning devices are prone to wrinkles during use, have poor stability, and are difficult to repair, affecting the winding effect.
A film tensioning device including a pressure stabilizing mechanism and a repair mechanism was designed. Pressure stabilization is achieved through the cooperation of the pressure stabilizing cover and the tensioning roller, and the wrinkles are repaired by the hot air shell.
It improves the tension stability of the stretch film, prevents wrinkles from forming, and can effectively repair existing wrinkles, ensuring a smooth winding process.
Smart Images

Figure CN223632769U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to winding film tensioning technical field, concretely to a kind of winding film tensioning device. BACKGROUND
[0002] Winding film tensioning device as important component in winding film winding machine, for keeping film proper tension in packaging process, ensure that packaging is compact, uniform, prevent film slack or too tight.
[0003] According to the patent with the patent number CN221587515U, a winding film tensioning device is disclosed, which includes a limiting frame assembled on the winding machine body, a rotating shaft rotatably arranged on the limiting frame, and a tensioning roller rotatably arranged at the end of the rotating shaft. An adjusting mechanism is arranged on the limiting frame and can adjust the angle of the rotating shaft. The adjusting mechanism includes a sliding limiting seat and an adjusting rod rotatably arranged on the limiting seat and synchronized with the rotating shaft. The winding film tensioning device adjusts the height of the tensioning roller by sliding the limiting seat up and down along the limiting frame, which synchronously rotates the rotating shaft through the adjusting rod, changes the height of the tensioning roller, and adjusts the tension during the winding process. Since the rotating shaft is rotatably arranged, the tensioning roller performs circular motion, and the force direction of the tensioning roller on the film is always perpendicular to the circular tangent, so the pressure adjustment is more uniform, and the film is not stressed unevenly due to large pressure changes during the adjustment process.
[0004] Based on the above search and existing technology, it is found that the above-mentioned patent has some defects. During the tensioning process of the winding film, the winding film is prone to wrinkles, has poor stability, and it is not convenient to repair the winding film that has wrinkles during the winding process, which affects the winding work. UTILITY MODEL CONTENTS
[0005] The utility model aims to solve the shortcomings in the prior art and provides a winding film tensioning device.
[0006] To solve the above technical problems, the technical scheme of the utility model is as follows:
[0007] The embodiment of the utility model provides a winding film tensioning device, which includes a winding machine body, a telescopic cylinder is arranged on the winding machine body, a connecting frame is fixedly installed on the telescopic end of the telescopic cylinder, a tensioning roller is arranged on the connecting frame, and a pressure stabilizing mechanism and a repairing mechanism are further included.
[0008] The pressure stabilizing mechanism includes a fixed shell fixedly installed on the connecting frame, a first spring is connected to the inner wall of the fixed shell, the end of the first spring is connected to a telescopic block matched with the fixed shell, and a pressure stabilizing cover matched with the tensioning roller is fixedly installed on the telescopic block.
[0009] The end of the connecting frame is provided with a repairing mechanism, and the repairing mechanism is attached to the wrapping film.
[0010] Further, a circular hole is formed in the fixing shell, and a clamping groove is formed in the telescopic block.
[0011] Further, a self-locking assembly is arranged at a position corresponding to the circular hole of the fixing shell, the self-locking assembly comprises a circular shell fixedly installed on the fixing shell, a second spring connected to the inner wall of the circular shell, and a clamping block connected to the end of the second spring and matched with the clamping groove.
[0012] Further, the repairing mechanism comprises a limiting plate fixedly installed on the connecting frame, and two third springs are connected to the inner wall of the limiting plate.
[0013] Further, the repairing mechanism further comprises a sliding block connected to the end of the third spring, and a hot air shell is fixedly installed on the sliding block.
[0014] Further, a gap is formed in each hot air shell, and an air hole is formed in the end of each hot air shell.
[0015] Further, an interface is fixedly installed at a position corresponding to the air hole of the end of each hot air shell.
[0016] The above scheme of the utility model has at least the following beneficial effects:
[0017] 1、in the utility model, by pressing the pressure stabilizing cover, the pressure stabilizing cover drives the telescopic block to move along the inner side of the fixing shell, the clamping groove of the telescopic block is separated from the clamping block, the first spring can drive the pressure stabilizing cover to move by the elastic force of itself through the telescopic block, the pressure stabilifying cover cooperates with the tensioning roller to stabilize the wrapping film, so that the wrapping film is not prone to wrinkle, thereby increasing the stability of the wrapping film tensioning.
[0018] 2、in the utility model, the hot air shell supports the wrapping film under the elastic support of the third spring through the sliding block, the interface is connected with the external hot air machine, the hot air machine is controlled to generate hot air, the hot air enters the inner side of the hot air shell through the interface, and then is blown out through the gap of the hot air shell, so that the blown hot air can repair the wrinkled wrapping film, thereby facilitating the subsequent winding of the wrapping film. BRIEF DESCRIPTION OF DRAWINGS
[0019] Figure 1 It is a three-dimensional structure schematic view of a wrapping film tensioning device of the utility model;
[0020] Figure 2 It is a three-dimensional structure schematic view of a tensioning roller of a wrapping film tensioning device of the utility model;
[0021] Figure 3A kind of winding film tensioner's steady voltage cover three-dimensional structure schematic view of the utility model;
[0022] Figure 4 A kind of winding film tensioner's fixed shell explosion structure schematic view of the utility model;
[0023] Figure 5 A kind of winding film tensioner's limiting plate explosion structure schematic view of the utility model.
[0024] Mark explanation:
[0025] 1, winding machine body;2, telescopic cylinder;3, connecting frame;4, tensioning roller;5, fixed shell;6, first spring;7, telescopic block;8, steady voltage cover;9, round shell;10, second spring;11, clamping block;12, limiting plate;13, third spring;14, sliding block;15, hot air shell;16, interface. Specific implementation
[0026] Exemplary embodiments of the present application will be described hereinafter with reference to the accompanying drawings. While exemplary embodiments of the present application are shown in the drawings, it is understood that the present application can be embodied in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided so that this application will be thoroughly and completely understood, and so that the scope of the present application will be completely conveyed to those skilled in the art.
[0027] As Figures 1 to 5 shown, the embodiment of the present application provides a kind of winding film tensioner, including winding machine body 1, winding machine body 1 is provided with telescopic cylinder 2, telescopic cylinder 2 is fixedly installed on the telescopic end of connecting frame 3, connecting frame 3 is provided with tensioning roller 4;
[0028] In the embodiment of the present application, when the staff controls winding machine body 1 to carry out winding work to winding film, the telescopic end of telescopic cylinder 2 is controlled to be active, so that the telescopic end of telescopic cylinder 2 drives tensioning roller 4 to move through connecting frame 3, so that tensioning roller 4 carries out tensioning work to winding film.
[0029] Figures 1 to 5 As shown, it also includes a pressure stabilizing mechanism, the pressure stabilizing mechanism includes fixed shell 5 fixedly installed on connecting frame 3, the inner wall of fixed shell 5 is connected with first spring 6, the end of first spring 6 is connected with telescopic block 7 matched with fixed shell 5, telescopic block 7 is fixedly installed with steady voltage cover 8 matched with tensioning roller 4, round hole is set up on fixed shell 5, clamping groove is set up on telescopic block 7, fixed shell 5 is provided with self-locking assembly corresponding to the position of round hole, the self-locking assembly includes round shell 9 fixedly installed on fixed shell 5, the inner wall of round shell 9 is connected with second spring 10, the end of second spring 10 is connected with clamping block 11 matched with clamping groove.
[0030] In the embodiment of the utility model, the staff presses the stabilizing cover 8, makes the stabilizing cover 8 drive the telescopic block 7 to move along the inside of fixed shell 5 under the action of external force, makes the clamping groove of telescopic block 7 extrude the clamping block 11 into the inside of round shell 9, makes the clamping groove and clamping block 11 disengage, makes first spring 6 can utilize the self elastic force and drive stabilizing cover 8 to move through telescopic block 7, makes stabilizing cover 8 and tensioning roller 4 mutually cooperate and carry out stabilizing work to winding film, so that winding film is not prone to wrinkle, to increase the stability of winding film tensioning.
[0031] Figures 1 to 5 As shown, the end of the connecting frame 3 is provided with a repair mechanism, and the repair mechanism is attached to the winding film. The repair mechanism includes a limiting plate 12 fixedly installed on the connecting frame 3, two third springs 13 connected to the inner wall of the limiting plate 12, a sliding block 14 connected to the end of the third spring 13, and a hot air shell 15 fixedly installed on the sliding block 14. Each hot air shell 15 is provided with a gap, and each hot air shell 15 is provided with an air hole at the end. An interface 16 is fixedly installed at the position corresponding to the air hole at the end of each hot air shell 15.
[0032] In the embodiment of the utility model, the hot air shell 15 supports the winding film through the sliding block 14 supported by the third spring 13. The staff connects the interface 16 with the external hot air blower, controls the hot air blower to generate hot air, makes the hot air enter the inside of the hot air shell 15 through the interface 16, and then blows out through the gap of the hot air shell 15, so that the blown hot air can repair the wrinkled winding film, thereby facilitating the subsequent winding of the winding film.
[0033] Working principle: when the staff controls the winding machine body 1 to wind the winding film, the staff presses the stabilizing cover 8, the stabilizing cover 8 drives the telescopic block 7 to move along the inside of the fixed shell 5, the clamping groove of the telescopic block 7 is disengaged from the clamping block 11, the first spring 6 can drive the stabilizing cover 8 to move through the telescopic block 7 by utilizing the self elastic force, the stabilizing cover 8 cooperates with the tensioning roller 4 to stabilize the winding film, the telescopic end of the telescopic cylinder 2 is controlled to move, the telescopic end of the telescopic cylinder 2 drives the tensioning roller 4 to move through the connecting frame 3, the tensioning roller 4 tensions the winding film, the interface 16 is connected with the external hot air blower, the hot air blower is controlled to generate hot air, the hot air enters the inside of the hot air shell 15 through the interface 16, and then blows the winding film through the gap of the hot air shell 15.
[0034] The above is the preferred embodiment of the present application, it should be pointed out that, for those skilled in the ordinary in the art, without departing from the principles described in the present application, can be made several improvements and refinements, these improvements and refinements should also be considered as the scope of protection of the present application.
Claims
1. A winding film tensioner comprising a winding machine body (1), characterized in that: The winding machine body (1) is provided with a telescopic air cylinder (2), the telescopic end of the telescopic air cylinder (2) is fixedly provided with a connecting frame (3), the connecting frame (3) is provided with a tension roller (4), further comprising a pressure stabilizing mechanism and a repairing mechanism; The pressure stabilizing mechanism comprises a fixed shell (5) fixedly installed on the connecting frame (3), a first spring (6) connected to the inner wall of the fixed shell (5), an extension block (7) connected to the end of the first spring (6) and matched with the fixed shell (5), and a pressure stabilizing cover (8) fixedly installed on the extension block (7) and matched with the tension roller (4). The end of the connecting frame (3) is provided with a repairing mechanism, and the repairing mechanism is in contact with the wrapping film.
2. A film tensioning device according to claim 1, wherein: A round hole is formed in the fixed shell (5), and a clamping groove is formed in the extension block (7).
3. A film tensioning device according to claim 2, wherein: The fixed shell (5) is provided with a self-locking assembly at the position corresponding to the round hole, the self-locking assembly comprises a round shell (9) fixedly installed on the fixed shell (5), a second spring (10) connected to the inner wall of the round shell (9), and a clamping block (11) connected to the end of the second spring (10) and matched with the clamping groove.
4. A film tensioning device according to claim 3, wherein: The repairing mechanism comprises a limiting plate (12) fixedly installed on the connecting frame (3), and two third springs (13) connected to the inner wall of the limiting plate (12).
5. A film tensioning device according to claim 4, wherein: The repairing mechanism further comprises a sliding block (14) connected to the end of the third spring (13), and a hot air shell (15) fixedly installed on the sliding block (14).
6. A film tensioning device according to claim 5, wherein: Each of the hot air shells (15) is provided with a slit, and each of the hot air shells (15) is provided with an air hole at the end.
7. A film tensioning device according to claim 6, wherein: An interface (16) is fixedly installed at the position corresponding to the air hole at the end of each hot air shell (15).
Citation Information
Patent Citations
Winding film tensioning device
CN221587515U