Polytetrafluoroethylene film stretching device

Abstract

The utility model relates to the technical field of polytetrafluoroethylene film processing, in particular to a polytetrafluoroethylene film stretching device which comprises a support, a first stretching roller, a second stretching roller and an arc-shaped clamping plate. A first servo motor and a second servo motor are installed at the upper end of the first base and the upper end of the second base respectively and connected with a first stretching roller and a second stretching roller respectively, an electric telescopic rod is fixedly installed on one side of the first stretching roller, and an arc-shaped clamping plate is fixedly connected to one side of the electric telescopic rod. According to the device, the electric telescopic rod is fixed to one side of the first stretching roller, the other side of the first stretching roller is fixedly connected with the arc-shaped clamping plate, in the stretching process, the electric telescopic rod can adjust the position of the arc-shaped clamping plate according to needs so as to adapt to polytetrafluoroethylene films with different thicknesses, and it is ensured that the films can be effectively fixed in the stretching process; and the stretching quality is further improved.

Description

Technical Field

[0001] The utility model relates to the technical field of polytetrafluoroethylene film processing, in particular to a polytetrafluoroethylene film stretching device. Background Art

[0002] In the production and processing of polytetrafluoroethylene film, stretching is a key step, which directly affects the physical properties and application effects of the film. In the related art, the polytetrafluoroethylene film is stretched unevenly during the stretching process, it is difficult to control the tension of the film, and the adaptability to films of different thicknesses is poor. In view of this, it is necessary to improve the current stretching device to solve the above problems;

[0003] The above information disclosed in this Background section is only for understanding the background of the present inventive concept and therefore it may contain information that does not constitute prior art. Utility Model Content

[0004] The utility model aims to provide a polytetrafluoroethylene film stretching device to solve the problems of uneven stretching of the polytetrafluoroethylene film during the stretching process, difficulty in controlling the tension of the film, and poor adaptability to films of different thicknesses proposed in the above background technology.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A polytetrafluoroethylene film stretching device comprises a bracket, a first stretching roller, a second stretching roller and an arc-shaped clamping plate, wherein the lower end of the bracket is fixedly connected to a base, a first base and a second base are fixedly installed on the upper end of the base, a first servo motor and a second servo motor are respectively installed on the upper ends of the first base and the second base, the first servo motor and the second servo motor are respectively connected to the first stretching roller and the second stretching roller, the upper ends of the first stretching roller and the second stretching roller are connected to the polytetrafluoroethylene film, an electric telescopic rod is fixedly installed on one side of the first stretching roller, and one side of the electric telescopic rod is fixedly connected to the arc-shaped clamping plate.

[0007] As a preferred technical solution, a tension sensor is provided on one side of the first servo motor, and the tension sensor is electrically connected to the first servo motor.

[0008] As a preferred technical solution, the upper end of the bracket is fixedly connected to the top plate, and a plurality of upper hot air fans are fixedly installed on the lower end of the top plate.

[0009] As a preferred technical solution, the lower end of the bracket is fixedly connected to the base, and a plurality of lower hot air fans are fixedly installed on the upper end of the base.

[0010] As a preferred technical solution, a controller is provided inside the base, and the controller is electrically connected to the electric telescopic rod, the tension sensor, the first servo motor, the lower hot air blower, the upper hot air blower, and the second servo motor.

[0011] The beneficial effects of the utility model are:

[0012] Through the device, the first servo motor and the second servo motor can accurately control the rotation speed of the stretching roller and ensure that the film is evenly stressed during the stretching process, avoid local stress concentration, and achieve uniform stretching of the polytetrafluoroethylene film.

[0013] In addition, the tension sensor is connected to the output shaft of the first servo motor, and the output shaft of the first servo motor is connected to the stretching roller, so that the tension sensor can accurately reflect the tension state of the film, monitor and feedback the tension state of the film in real time, ensure the constancy of the tension during the stretching process, and avoid wrinkles and breaks in the film due to uneven tension.

[0014] The electric telescopic rod is fixed to one side of the first stretching roller, and the other side thereof is fixedly connected to the arc-shaped clamping plate. During the stretching process, the electric telescopic rod can adjust the position of the arc-shaped clamping plate as needed to adapt to polytetrafluoroethylene films of different thicknesses, ensuring that the film can be effectively fixed during the stretching process, further improving the stretching quality and consistency of the film. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic structural diagram of a polytetrafluoroethylene film stretching device proposed by the utility model;

[0016] Figure 2 The utility model provides a schematic structural diagram of the first stretching roller of a polytetrafluoroethylene film stretching device.

[0017] In the figure: 1 bracket, 2 base, 3 first pedestal, 4 first stretching roller, 401 electric telescopic rod, 402 arc clamping plate, 403 tension sensor, 5 first servo motor, 6 polytetrafluoroethylene film, 7 lower hot air blower, 8 upper hot air blower, 9 second pedestal, 10 second servo motor, 11 second stretching roller, 12 top plate, 13 controller. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0019] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0020] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0021] Reference Figure 1-2 A polytetrafluoroethylene film stretching device includes a bracket 1, a first stretching roller 4, a second stretching roller 11 and an arc-shaped clamping plate 402. The lower end of the bracket 1 is fixedly connected to the base 2. The upper end of the base 2 is fixedly installed with a first base 3 and a second base 9. The upper ends of the first base 3 and the second base 9 are respectively installed with a first servo motor 5 and a second servo motor 10. The first servo motor 5 and the second servo motor 10 are respectively connected to the first stretching roller 4 and the second stretching roller 11. The upper ends of the first stretching roller 4 and the second stretching roller 11 are connected to a polytetrafluoroethylene film 6. A tension sensor 403 is arranged on one side of the first servo motor 5. The tension sensor 403 is electrically connected to the first servo motor 5.

[0022] Through this design, the first servo motor 5 and the second servo motor 10 can ensure that the film 6 is evenly stressed during the stretching process by precisely controlling the rotation speed of the stretching rollers 4 and 11, thereby avoiding local stress concentration and achieving uniform stretching of the polytetrafluoroethylene film.

[0023] In addition, the tension sensor 403 is connected to the output shaft of the first servo motor 5, and the output shaft of the first servo motor 5 is connected to the stretching roller 4, so that the tension sensor 403 can accurately reflect the tension state of the film 6, monitor and feedback the tension state of the film in real time, ensure the constancy of the tension during the stretching process, avoid wrinkles and breakage of the film due to uneven tension, and improve the stretching quality and consistency of the film.

[0024] Among them, an electric telescopic rod 401 is fixedly installed on one side of the first stretching roller 4 , and an arc-shaped clamping plate 402 is fixedly connected to one side of the electric telescopic rod 401 .

[0025] Through this design, the electric telescopic rod 401 is fixed to one side of the first stretching roller 4, and the other side thereof is fixedly connected to the arc-shaped clamping plate 402. During the stretching process, the electric telescopic rod 401 can adjust the position of the arc-shaped clamping plate 402 as needed to adapt to polytetrafluoroethylene films 6 of different thicknesses, so that the arc-shaped clamping plate 402 can clamp the film in the stretching roller to ensure that the film can be effectively fixed during the stretching process.

[0026] In other embodiments, the upper end of the bracket 1 is fixedly connected to the top plate 12, and a plurality of upper hot air fans 8 are fixedly installed on the lower end of the top plate 12; the lower end of the bracket 1 is fixedly connected to the base 2, and a plurality of lower hot air fans 7 are fixedly installed on the upper end of the base 2.

[0027] Through this design, the design of the upper and lower hot air blowers provides uniform hot air heating for the PTFE film, which helps to improve the tensile properties of the film and the quality of the finished product.

[0028] In other embodiments, a controller 13 is disposed inside the base 2 , and the controller 13 is electrically connected to the electric telescopic rod 401 , the tension sensor 403 , the first servo motor 5 , the lower hot air blower 7 , the upper hot air blower 8 , and the second servo motor 10 .

[0029] In this embodiment, the first servo motor 5 and the second servo motor 10 accurately control the rotation speed of the stretching rollers 4 and 11 to ensure that the film 6 is uniformly stressed during the stretching process, avoid local stress concentration, and achieve uniform stretching of the polytetrafluoroethylene film.

[0030] In addition, the tension sensor 403 is connected to the output shaft of the first servo motor 5, and the output shaft of the first servo motor 5 is connected to the stretching roller 4, so that the tension sensor 403 can accurately reflect the tension state of the film 6, monitor and feedback the tension state of the film in real time, ensure the constancy of the tension during the stretching process, and avoid wrinkles and breaks in the film due to uneven tension.

[0031] The electric telescopic rod 401 is fixed to one side of the first stretching roller 4, and the other side thereof is fixedly connected to the arc-shaped clamping plate 402. During the stretching process, the electric telescopic rod 401 can adjust the position of the arc-shaped clamping plate 402 as needed to adapt to polytetrafluoroethylene films 6 of different thicknesses, thereby ensuring that the film can be effectively fixed during the stretching process, thereby further improving the stretching quality and consistency of the film.

[0032] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A polytetrafluoroethylene film stretching device, comprising a bracket (1), a first stretching roller (4), a second stretching roller (11) and an arc-shaped clamping plate (402), characterized in that: The lower end of the bracket (1) is fixedly connected to the base (2); the upper end of the base (2) is fixedly mounted with a first base (3) and a second base (9); the upper ends of the first base (3) and the second base (9) are respectively mounted with a first servo motor (5) and a second servo motor (10); the first servo motor (5) and the second servo motor (10) are respectively connected to a first stretching roller (4) and a second stretching roller (11); the upper ends of the first stretching roller (4) and the second stretching roller (11) are connected to a polytetrafluoroethylene film (6); one side of the first stretching roller (4) is fixedly mounted with an electric telescopic rod (401); one side of the electric telescopic rod (401) is fixedly connected to an arc-shaped clamping plate (402).

2. A polytetrafluoroethylene film stretching device according to claim 1, characterized in that: A tension sensor (403) is provided on one side of the first servo motor (5), and the tension sensor (403) is electrically connected to the first servo motor (5).

3. A polytetrafluoroethylene film stretching device according to claim 1, characterized in that: The upper end of the bracket (1) is fixedly connected to the top plate (12), and a plurality of upper hot air blowers (8) are fixedly mounted on the lower end of the top plate (12).

4. A polytetrafluoroethylene film stretching device according to claim 1, characterized in that: The lower end of the bracket (1) is fixedly connected to the base (2), and a plurality of lower hot air blowers (7) are fixedly mounted on the upper end of the base (2).

5. A polytetrafluoroethylene film stretching device according to claim 4, characterized in that: A controller (13) is disposed inside the base (2), and the controller (13) is electrically connected to the electric telescopic rod (401), the tension sensor (403), the first servo motor (5), the lower hot air blower (7), the upper hot air blower (8), and the second servo motor (10).

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