Thin film synchronous control device

Abstract

The utility model belongs to the technical field of thin film production, and particularly relates to a thin film synchronous control device which comprises a rack serving as a connecting base frame, a secondary traction component connected to the rack and used for assisting in traction of a conveyed thin film, an adjusting component connected with the rack and used for adjusting the pressure of a compression roller component, and the compression roller component connected with the adjusting component. The tension detection component is arranged corresponding to the position of the secondary traction component and changes along with the position of the adjusting component so as to adjust the acting force of the pressing roller, the tension detection component is connected to the rack and detects the tension in the film conveying process so as to ensure that the tension of the film is constant, and the arranged tension sensor is matched with the secondary traction rubber roller to monitor the pressure of the film in real time. And the secondary traction component and the compression roller component are synchronously controlled to act, so that the tension is constant, the tension of the film is constantly controlled, and no tensile deformation is generated in the cooling process of the film.

Description

Technical Field

[0001] The utility model relates to the technical field of film production, and specifically relates to a film synchronous control device. Background Art

[0002] Polylactic acid (PLA) is a new type of biodegradable material, which is made from the starch raw materials extracted from renewable plant resources (such as corn); the starch raw materials are saccharified to obtain glucose, and then high-purity lactic acid is produced by fermenting glucose with certain strains of bacteria, and then polylactic acid with a certain molecular weight is synthesized by chemical synthesis methods; it has good biodegradability and can be completely degraded by microorganisms in nature after use, and finally generates carbon dioxide and water without polluting the environment, which is very beneficial to environmental protection. It is a recognized environmentally friendly material and has a wide range of market application prospects.

[0003] In the production process of existing films, after being extruded and flattened into films at high temperature, strong cooling and shaping are required between the traction roller and the secondary traction rubber roller. Since chain synchronous transmission is used between the two traction rollers, problems such as excessive tension causing tight deformation or too little tension resulting in film relaxation caused by processing errors and wear of the roller outer diameter may occur. Therefore, a film synchronous control device is proposed. Summary of the Utility Model

[0004] The purpose of this part is to outline some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Simplifications or omissions may be made in this part, as well as in the abstract and title of the specification of this application, to avoid obscuring the purpose of this part, the abstract, and the title of the utility model, and such simplifications or omissions shall not be used to limit the scope of the utility model.

[0005] Therefore, the purpose of the utility model is to provide a film synchronous control device, which cooperates with the secondary traction rubber roller through the provided tension sensor to monitor the pressure of the film in real time, and synchronously controls the actions of the secondary traction component and the pressure roller component to keep the tension constant, constantly control the film tension, and ensure that no stretching deformation occurs during the film cooling process.

[0006] To solve the above technical problems, according to one aspect of the utility model, the following technical solutions are provided:

[0007] A film synchronous control device, which includes:

[0008] A frame serving as a connecting base;

[0009] A secondary traction component, connected to the frame, for assisting in the traction of the conveyed film;

[0010] An adjusting component, connected to the frame, for adjusting the pressure of the pressure roller component;

[0011] The pressure roller component is connected to the adjustment component, arranged corresponding to the position of the secondary traction component, and changes with the position of the adjustment component to adjust the magnitude of the acting force of the pressure roller;

[0012] The tension detection component is connected to the frame and detects the tension during the film conveying process to ensure a constant film tension.

[0013] As a preferred solution of a film synchronous control device according to the present invention, wherein: a cold air box for cooling the film is connected to the top of the frame, transition rollers are connected to both the left and right ends of the frame corresponding to the cold air box, and a traction roller cooperating with the secondary traction component is rotatably connected to the frame.

[0014] As a preferred solution of a film synchronous control device according to the present invention, wherein: the secondary traction component includes a traction motor installed on the outside of the frame, a connecting frame is connected to the telescopic end of the traction motor, and a secondary traction rubber roller is rotatably connected to the connecting frame.

[0015] As a preferred solution of a film synchronous control device according to the present invention, wherein: the adjustment component includes a telescopic motor connected to the outside of the frame and a bracket connected to the frame, a connecting rod is hinged to the telescopic end of the telescopic motor, and the central position of the connecting rod is hinged to the top of the bracket.

[0016] As a preferred solution of a film synchronous control device according to the present invention, wherein: the pressure roller component includes a motor connected to the frame, the output end of the motor drives a transmission belt through a pulley and drives the transmission belt to rotate synchronously, the other end of the transmission belt is connected to a pressure roller, and the pressure roller is rotatably connected to the other end of the bracket and arranged above the secondary traction rubber roller.

[0017] As a preferred solution of a film synchronous control device according to the present invention, wherein: the tension detection component includes a tension sensor connected to the outside of the frame, and a tension roller is rotatably connected to the tension sensor.

[0018] Compared with the prior art, the beneficial effects of the present invention are:

[0019] By setting the tension sensor to cooperate with the secondary traction rubber roller, the pressure of the film is monitored in real time, and the actions of the secondary traction component and the pressure roller component are synchronously controlled to keep the tension constant, and the film tension is constantly controlled to ensure that no stretching deformation occurs during the film cooling process. Description of the Drawings

[0020] To more clearly illustrate the technical solutions of the embodiments of the present utility model, the following will describe the present utility model in detail in conjunction with the drawings and detailed embodiments. Obviously, the drawings in the following description are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on these drawings. Among them:

[0021] Figure 1 It is a schematic diagram of the overall structure of the present utility model;

[0022] Figure 2 It is a schematic diagram of the structure of part A of the present utility model;

[0023] In the figure: 100 frame, 110 cold air box, 120 transition roller, 130 traction roller, 200 secondary traction component, 210 traction motor, 211 connecting frame, 220 secondary traction rubber roller, 300 adjusting component, 310 telescopic motor, 311 connecting rod, 320 support, 400 pressure roller component, 410 motor, 411 drive belt, 420 pressure roller, 500 tension detection component, 510 tension sensor, 520 tension roller. Specific embodiments

[0024] To make the above objects, features, and advantages of the present utility model more obvious and understandable, the following will describe the specific embodiments of the present utility model in detail in conjunction with the drawings.

[0025] In the following description, many specific details are set forth to fully understand the present utility model. However, the present utility model can also be implemented in other ways different from those described herein. Those skilled in the art can make similar generalizations without departing from the connotation of the present utility model. Therefore, the present utility model is not limited by the specific embodiments disclosed below.

[0026] Secondly, the present utility model is described in detail in combination with the schematic diagrams. When detailing the embodiments of the present utility model, for the convenience of explanation, the cross-sectional views showing the device structure will be enlarged locally out of the general proportion, and the schematic diagrams are only examples and should not limit the scope of protection of the present utility model herein. In addition, in actual production, three-dimensional spatial dimensions including length, width, and depth should be included.

[0027] To make the purpose, technical solutions, and advantages of the present utility model clearer, the following will further describe the embodiments of the present utility model in detail in conjunction with the drawings.

[0028] The present utility model provides a film synchronization control device. Please refer to Figure 1-2 , including a frame 100, a secondary traction component 200, an adjusting component 300, a pressure roller component 400, and a tension detection component 500;

[0029] Please continue to refer to Figure 1-2 , the frame 100 serving as a connection base;

[0030] A cold air box 110 for film cooling is threadedly connected to the top of the frame 100. The cold air box 110 is arranged corresponding to the central position at the top of the frame. Transition rollers 120 are connected to both the left and right ends of the cold air box 110 corresponding to the outside of the frame 100. And a traction roller 130 cooperating with the secondary traction component 200 is rotatably connected to the frame 100. The traction roller 130 is arranged corresponding to the lower right side outside the frame 100;

[0031] Please continue to refer to Figure 1 , the secondary traction component 200 is connected to the frame 100 to assist in traction of the conveyed film;

[0032] The secondary traction component 200 includes a traction motor 210 threadedly connected to the left side of the frame 100. A connecting frame 211 is connected to the telescopic end of the traction motor 210. A secondary traction rubber roller 220 is rotatably connected to the connecting frame 211;

[0033] Action:

[0034] The traction motor 210 operates to drive the connecting frame 211 to translate on the frame 100, thereby driving the position of the secondary traction rubber roller 220 to change, so as to adjust the traction force on the film;

[0035] Please continue to refer to Figure 2 , the adjusting component 300 is connected to the frame 100 to adjust the pressure of the pressure roller component 400;

[0036] The adjusting component 300 includes a telescopic motor 310 threadedly connected to the outside of the frame 100, and a bracket 320 connected to the frame 100. A connecting rod 311 is hinged to the telescopic end of the telescopic motor 310. The central position of the connecting rod 311 is hinged to the top of the bracket 320;

[0037] Action:

[0038] The telescopic motor 310 operates to drive the connecting rod 311 to act with the top position of the bracket 320 as a fulcrum, and then change the position of the pressure roller 420 to adjust the pressure of the pressure roller 420;

[0039] Please continue to refer to Figure 2 , the pressure roller component 400 is connected to the adjusting component 300, is arranged corresponding to the position of the secondary traction component 200, and follows the change of the position of the adjusting component 300 to adjust the acting force of the pressure roller 420;

[0040] The pressure roller component 400 includes a motor 410 connected to the frame 100. The output end of the motor 410 is connected to a transmission belt 411 through a pulley and drives the transmission belt 411 to rotate synchronously. The other end of the transmission belt 411 is connected to a pressure roller 420. The pressure roller 420 is rotatably connected to the other end of the bracket 320 and is arranged corresponding to the upper side of the secondary traction rubber roller 220.

[0041] Please continue to refer to Figure 1 , the tension detection component 500 is connected to the frame 100 to detect the tension during the film conveying process to ensure the constant tension of the film.

[0042] The tension detection component 500 includes a tension sensor 510 threadedly connected to the outside of the frame 100. The tension sensor 510 is arranged corresponding to the lower side of the secondary traction rubber roller 220. A tension roller 520 is rotatably connected to the tension sensor 510. By the cooperation of the provided tension sensor 510 and the secondary traction rubber roller 220, the pressure of the film is monitored in real time to constantly control the film tension.

[0043] Working principle: When the utility model is in use, through the cooperation of the provided tension sensor 510 and the secondary traction rubber roller 220, the pressure of the film is monitored in real time, and the actions of the secondary traction component 200 and the pressure roller component 400 are synchronously controlled to make the tension constant, constantly control the film tension, and ensure that no stretching deformation occurs during the film cooling process.

[0044] Although the present utility model has been described above with reference to the embodiments, various improvements can be made to it and its components can be replaced with equivalents without departing from the scope of the present utility model. In particular, as long as there is no structural conflict, the various features in the disclosed embodiments of the present utility model can be combined with each other in any way. The exhaustive description of these combinations is not given in this specification only for the sake of saving space and resources. Therefore, the present utility model is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. A film synchronization control device, characterized in that: include: A rack (100) as a connecting base; A secondary traction component (200) is connected to the frame (100) to assist in traction of the transported film; An adjusting component (300) is connected to the frame (100) and is used to adjust the pressure of the pressing roller component (400); The pressure roller component (400) is connected to the adjustment component (300), is set corresponding to the position of the secondary traction component (200), and follows the position change of the adjustment component (300) to adjust the force of the pressure roller (420); The tension detection component (500) is connected to the frame (100) and detects the tension of the film during the film conveying process to ensure that the film tension is constant.

2. A thin film synchronization control device according to claim 1, characterized in that: The top of the frame (100) is connected to a cold air box (110) for cooling the film, and the left and right ends of the cold air box (110) on the outside of the frame (100) are connected to transition rollers (120), and a traction roller (130) that cooperates with the secondary traction component (200) is rotatably connected to the frame (100).

3. A film synchronization control device according to claim 2, characterized in that: The secondary traction component (200) comprises a traction motor (210) installed outside the frame (100); the telescopic end of the traction motor (210) is connected to a connecting frame (211); and a secondary traction rubber roller (220) is rotatably connected to the connecting frame (211).

4. A thin film synchronization control device according to claim 3, characterized in that: The adjusting component (300) comprises a telescopic motor (310) connected to the outside of the frame (100), and a bracket (320) connected to the frame (100); a connecting rod (311) is hinged at the telescopic end of the telescopic motor (310); and the central position of the connecting rod (311) is hinged to the top of the bracket (320).

5. A film synchronization control device according to claim 4, characterized in that: The pressure roller component (400) comprises a motor (410) connected to the frame (100); the output end of the motor (410) is connected to a transmission belt (411) via a pulley, and drives the transmission belt (411) to rotate synchronously; the other end of the transmission belt (411) is connected to a pressure roller (420); the pressure roller (420) is rotatably connected to the other end of the bracket (320) and is arranged above the secondary traction rubber roller (220).

6. A film synchronization control device according to claim 5, characterized in that: The tension detection component (500) comprises a tension sensor (510) connected to the outside of the frame (100), and a tension roller (520) is rotatably connected to the tension sensor (510).

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