PVC film material winding machine tension adjusting device

Abstract

This utility model discloses a tension adjustment device for a PVC film winding machine, including a base with a first and second vertical plate fixedly mounted on it in parallel. A front guide roller and a rear guide roller are respectively mounted on the first and second vertical plates. A pressure adjustment assembly, used to adjust the winding pressure of the PVC film, includes a push rod motor, a pressure sensor, a buffer, a cylinder, and a guide plate. The pressure sensor is fixedly mounted at the output end of the push rod motor, and a cylinder is connected below the pressure sensor. A guide plate is located below the cylinder. An airbag pressure adjustment assembly includes an inflation / deflation pump and an airbag. The airbag is fixed to the bottom of the guide plate and has the same shape as the guide plate. The inflation / deflation pump is connected to the airbag via a pipe. In this utility model, the pressure on the film can be quickly and in real-time controlled by the change in air pressure inside the airbag, achieving precise control. This is safer and more accurate than the direct output pressure of the push rod motor.

Description

Technical Field

[0001] This utility model relates to the field of PVC film production technology, and in particular to a tension adjustment device for a PVC film winding machine. Background Technology

[0002] In the production of PVC film, the winding machine is one of the most important pieces of equipment, its function being to orderly wind up the produced PVC film. During the winding process, tension control of the film is crucial. Excessive tension may cause the film to stretch and deform, affecting its quality and performance; insufficient tension, on the other hand, will result in looseness and wrinkles during winding, similarly reducing product quality and hindering subsequent storage and transportation.

[0003] Existing tension adjustment devices for PVC film winding machines have some shortcomings. Some devices are complex in structure, costly, and difficult to maintain; others have low adjustment accuracy, making it difficult to meet the winding requirements of PVC film materials of different specifications and quality. Therefore, developing a PVC film winding machine tension adjustment device with a simple structure and high adjustment accuracy is of great practical significance. Utility Model Content

[0004] The purpose of this application is to provide a tension adjustment device for a PVC film winding machine to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this application provides the following technical solution: a tension adjustment device for a PVC film winding machine, comprising a base, on which a first vertical plate and a second vertical plate are fixedly installed in parallel, and a front guide roller and a rear guide roller for guiding the input and output of the PVC film are respectively installed on the first vertical plate and the second vertical plate.

[0006] A pressure regulating assembly is used to regulate the winding pressure of PVC film. It includes a push rod motor, a pressure sensor, a buffer, a cylinder, and a guide plate. The output end of the push rod motor is fixedly installed with a pressure sensor. A cylinder is connected below the pressure sensor, and a guide plate is provided below the cylinder.

[0007] An airbag pressure regulating assembly includes an inflation / deflation pump and an airbag. The airbag is fixed to the bottom of the guide plate and has the same shape as the guide plate. The inflation / deflation pump is connected to the airbag through a pipe.

[0008] Preferably, the front guide roller and the rear guide roller are rotatably connected to the first vertical plate and the second vertical plate, respectively.

[0009] Preferably, the pressure sensor is fixedly connected to the cylinder via a buffer.

[0010] Preferably, the pressure sensor is a digital display pressure sensor.

[0011] Preferably, a horizontal plate is fixedly installed between the first vertical plate and the second vertical plate, and the push rod motor is fixed on the horizontal plate.

[0012] Preferably, the guide plate is an arc-shaped plate with sliders fixedly installed at its top near both the front and rear ends, and the bottom of the cylinder is provided with a sliding groove near both the front and rear ends. The slider is limited to sliding within the sliding groove, and a buffer spring is fixedly installed at the end of the sliding groove to buffer the slider.

[0013] In summary, the technical effects and advantages of this utility model are as follows:

[0014] Precise tension adjustment: A pressure sensor monitors the winding pressure of the PVC film in real time, accurately acquiring tension data. The control system can then adjust the extension and retraction of the push rod motor and the inflation / deflation of the air bladder using this data, achieving precise tension adjustment and ensuring stable tension of the PVC film during winding, thus improving winding quality. A digital pressure sensor visually displays the pressure value, allowing operators to easily monitor the tension in real time, identify problems promptly, and make adjustments.

[0015] Buffer protection: The buffer effectively reduces the impact force generated when the push rod motor operates, preventing damage to components such as pressure sensors and extending the service life of the equipment. The combined structure of the slider, groove, and buffer spring provides cushioning and stabilization when the guide plate is subjected to external forces, preventing violent shaking of the guide plate and ensuring the stability and accuracy of tension adjustment.

[0016] Flexible pressure adjustment: The pressure adjustment component and the airbag pressure adjustment component work together to provide two adjustment methods. The push rod motor can achieve a wide range of coarse pressure adjustments, while the airbag can achieve finer pressure adjustments through inflation and deflation. This can adapt to PVC films of different thicknesses, materials, and winding requirements, improving the equipment's versatility and adaptability. The airbag's shape matches the guide plate, ensuring uniform pressure on the PVC film and preventing excessive or insufficient pressure in certain areas. This ensures even stress on the PVC film during winding, reducing wrinkles and deformation.

[0017] Easy to operate: The entire tension adjustment device has a reasonable structural design, and the connection and installation of each component are simple and clear. Operators only need to operate the push rod motor and the air pump through the control system to adjust the PVC film tension, reducing operational difficulty and labor intensity. At the same time, the use of a digital pressure sensor allows operators to quickly and accurately grasp the tension status, improving work efficiency. Attached Figure Description

[0018] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0019] Figure 1 This is a schematic diagram of the structure of a tension adjustment device for a PVC film winding machine in an embodiment of this application;

[0020] Figure 2 This is a schematic diagram of the pressure regulating component structure of a tension regulating device for a PVC film winding machine according to an embodiment of this application;

[0021] Figure 3 This is a schematic diagram of the guide plate structure of a tension adjustment device for a PVC film winding machine in an embodiment of this application;

[0022] Figure 4 This is a schematic diagram of the cylindrical structure of a tension adjustment device for a PVC film winding machine according to an embodiment of this application;

[0023] Figure 5 This application provides an embodiment of a tension adjustment device for a PVC film winding machine. Figure 4 Enlarged structural diagram at point A.

[0024] In the diagram: 1. Base; 2. First upright plate; 3. Second upright plate; 4. Front guide roller; 5. Rear guide roller; 6. Horizontal plate; 7. Pressure adjustment assembly; 8. Push rod motor; 9. Pressure sensor; 10. Buffer; 11. Cylinder; 12. Guide plate; 13. Airbag; 14. Slider; 15. Slide groove; 16. Buffer spring; 17. Inflation / depression pump. Detailed Implementation

[0025] 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.

[0026] In the description of this disclosure, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," "top," and "bottom," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this disclosure 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 disclosure. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0027] It should also be noted that all standard parts used in this application are commercially available, and can be custom-made according to the description and drawings. Unless otherwise expressly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to fixed connections, detachable connections, or integral connections; they can refer to mechanical connections or electrical connections; they can refer to direct connections or indirect connections through an intermediate medium; and they can refer to the internal communication between two components. Those skilled in the art can understand the specific meaning of the above terms in this disclosure based on the specific circumstances, and unless explicitly limited, machinery, parts, and equipment can all adopt conventional models in the prior art.

[0028] In this document, the term "comprising" is intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0029] Example: Reference Figure 1-5 The tension adjustment device for a PVC film winding machine shown includes a base 1, on which a first vertical plate 2 and a second vertical plate 3 arranged in parallel are fixedly installed. A front guide roller 4 and a rear guide roller 5 for guiding the input and output of PVC film are respectively installed on the first vertical plate 2 and the second vertical plate 3.

[0030] The pressure regulating component 7 is used to regulate the winding pressure of the PVC film. It includes a push rod motor 8, a pressure sensor 9, a buffer 10, a cylinder 11, and a guide plate 12. The pressure sensor 9 is fixedly installed at the output end of the push rod motor 8. The cylinder 11 is connected below the pressure sensor 9. The guide plate 12 is provided below the cylinder 11.

[0031] An airbag pressure regulating assembly includes an inflation / deflation pump 17 and an airbag 13. The airbag 13 is fixed to the bottom of the guide plate 12 and has the same shape as the guide plate 12. The inflation / deflation pump 17 is connected to the airbag 13 through a pipe.

[0032] The working principle of this embodiment is as follows: When the PVC film winding machine starts working, the PVC film enters the tension adjustment device from the input direction via the front guide roller 4. By controlling the extension and retraction of the push rod motor 8, the pressure sensor 9, cylinder 11, and guide plate 12 are moved up and down, applying a certain pressure to the PVC film. At the same time, the pressure sensor 9 monitors the pressure value in real time and feeds the data back to the control system.

[0033] Based on the tension changes of the PVC film during winding, the control system can control the inflation / deflation pump 17 to inflate or deflate the air bladder 13. When tension needs to be increased, the inflation / deflation pump 17 inflates the air bladder 13, causing it to expand and increasing the pressure on the PVC film. When tension needs to be reduced, the inflation / deflation pump 17 deflates the air bladder 13, causing it to contract and reducing the pressure on the PVC film. By controlling the changes in air pressure inside the air bladder, the pressure on the film can be quickly and in real-time controlled, achieving precise control. This is safer and more accurate than the direct pressure output of the push rod motor. During the up-and-down movement of the guide plate 12, the slider 14 slides within the groove 15, and the buffer spring 16 provides cushioning and stabilization, ensuring the smoothness of the entire adjustment process. Finally, the PVC film, after tension adjustment, is output to the winding device via the rear guide roller 5 for winding.

[0034] Finally, it should be noted that the above are merely preferred embodiments of the present utility model and are not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A tension adjustment device for a PVC film winding machine, characterized in that: include: A base (1) is fixedly installed on which a first vertical plate (2) and a second vertical plate (3) are arranged in parallel. A front guide roller (4) and a rear guide roller (5) for guiding the input and output of PVC film are respectively installed on the first vertical plate (2) and the second vertical plate (3). The pressure regulating assembly (7) is used to regulate the winding pressure of the PVC film. It includes a push rod motor (8), a pressure sensor (9), a buffer (10), a cylinder (11), and a guide plate (12). The output end of the push rod motor (8) is fixedly installed with the pressure sensor (9). The cylinder (11) is connected below the pressure sensor (9). The guide plate (12) is provided below the cylinder (11). An airbag pressure regulating assembly includes an inflation / deflation pump (17) and an airbag (13), wherein the airbag (13) is fixed to the bottom of the guide plate (12) and has the same shape as the guide plate (12), and the inflation / deflation pump (17) is connected to the airbag (13) through a pipe.

2. The tension adjustment device for a PVC film winding machine according to claim 1, characterized in that: The front guide roller (4) and the rear guide roller (5) are rotatably connected to the first vertical plate (2) and the second vertical plate (3), respectively.

3. The tension adjustment device for a PVC film winding machine according to claim 1, characterized in that: The pressure sensor (9) is fixedly connected to the cylinder (11) via a buffer (10).

4. The tension adjustment device for a PVC film winding machine according to claim 1, characterized in that: The pressure sensor (9) is a digital display pressure sensor.

5. The tension adjustment device for a PVC film winding machine according to claim 1, characterized in that: A horizontal plate (6) is fixedly installed between the first vertical plate (2) and the second vertical plate (3), and the push rod motor (8) is fixed on the horizontal plate (6).

6. The tension adjustment device for a PVC film winding machine according to claim 1, characterized in that: The guide plate (12) is an arc-shaped plate and a slider (14) is fixedly installed on its top near both the front and rear ends. The bottom end of the cylinder (11) is provided with a groove (15) near both the front and rear ends. The slider (14) is limited to slide within the groove (15). A buffer spring (16) is fixedly installed at the end of the groove (15) to buffer the slider (14).

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