Cutting equipment for thermoplastic polyurethane film

Abstract

The utility model relates to the technical field of film cutting, in particular to cutting equipment for a thermoplastic polyurethane film, which comprises a support frame, the bottom end of the support frame is fixedly connected with the top surface of a cutting table, a transmission guide roller and an auxiliary roller are arranged between two side plates of the support frame, and an integrally formed stable frame is arranged on the end surface of the support frame; the cutting equipment for the thermoplastic polyurethane film has the beneficial effects that a film winding drum can be supported under the matching action of the supporting frame and the film roll supporting rod, the film winding drum can be conveniently pulled in the cutting process, the transmission guide roller and the auxiliary roller are arranged between the two side plates of the supporting frame, and the cutting efficiency is improved. And when the pneumatic cylinder is started, the cutting knife plate moves downwards, so that the drawn thin film winding drum is cut between the auxiliary knife plate and the cutting knife plate, and the cutting end face of the thin film winding drum can be flush.

Description

TECHNICAL FIELD

[0001] The utility model relates to a film cutting technical field, concretely is a kind of cutting equipment for thermoplastic polyurethane film. BACKGROUND

[0002] Thermoplastic polyurethane film is a kind of material with excellent air permeability, it is mainly made of thermoplastic polyurethane, it is a kind of elastic plastic, with multiple excellent performance, such as good elasticity and softness, high strength and toughness, high wear resistance etc., in thermoplastic polyurethane film, the unique microporous structure design makes it have good waterproof, moisture-permeable and air permeability.

[0003] For example, the granted patent publication No. CN221792863U is a kind of cutting equipment for high moisture-permeable thermoplastic polyurethane film, the equipment adopts stretch cutting structure, can keep film flat during cutting, to ensure cutting quality.

[0004] However, the above-mentioned patent has defects, the above-mentioned patent is only for fixed piece fixture, the above-mentioned patent solves the problem of flat end face of film cutting, but the above-mentioned patent needs manual pulling film during cutting, but the work of continuous pulling film is more tedious, so it cannot firmly clamp film, then continuously rotates transmission clamping film to realize its pulling effect.

[0005] Therefore, we need a kind of cutting equipment for thermoplastic polyurethane film to solve the problem of flat cutting surface of existing thermoplastic polyurethane film, and also realize the effect of clamping and pulling during cutting of thermoplastic polyurethane film. INVENTION CONTENTS

[0006] The utility model aims at providing a kind of cutting equipment for thermoplastic polyurethane film to solve the problem of flat cutting surface of existing thermoplastic polyurethane film in the above background art, and also realize the effect of clamping and pulling during cutting of thermoplastic polyurethane film.

[0007] To achieve the above object, the utility model provides the following technical scheme: a kind of cutting equipment for thermoplastic polyurethane film, the top surface of cutting table is fixedly connected with the bottom end of support frame, the surface of support frame is fixedly connected with film roll support rod, the surface of film roll support rod is equipped with film roll, including support frame, the top surface of cutting table is fixedly connected with the bottom end of support frame, transmission guide roller and auxiliary roller are arranged between the two side plates of support frame, one-piece stable frame is arranged on the end surface of support frame, the inner top surface of stable frame is fixedly connected with pneumatic cylinder, the top surface of cutting knife plate is fixedly connected with the output shaft end of pneumatic cylinder, auxiliary knife plate is fixedly connected between the two side plates of stable frame.

[0008] Preferably, the support frame and the stable frame are both in the shape of "Fang" and the width of the stable frame is larger than that of the cutting plate, the cutting plate and the auxiliary plate are both in the shape of isosceles triangle and the center points of the cutting plate and the auxiliary plate are on the same vertical line.

[0009] Preferably, the rotating rod is rotatably connected between the two side plates of the support frame, the inner part of the auxiliary roller is fixedly connected to the surface of the rotating rod, the bottom surface of the rubber pad is abutted against the top end of the auxiliary roller, the end surface of the rubber pad is in the shape of arc, the surface of the contraction convex plate is fixedly connected to the surface of the rubber pad, the surface of the rectangular cavity groove is movably connected to the surface of the contraction convex plate, the rectangular cavity groove is arranged in the inner part of the transmission guide roller, the surface of the rectangular cavity groove is provided with the compression spring, and the surface of the transmission guide roller is rotatably connected between the two side plates of the support frame.

[0010] Preferably, the surface of the driving rod is fixedly connected to the inner part of the transmission guide roller, the surface of the driving rod is rotatably connected between the two side plates of the support frame, the end part of the driving rod is fixedly connected to the output shaft end part of the driving motor, and the base of the driving motor is fixedly connected to the surface of the side plate of the support frame.

[0011] Preferably, the surface of the rectangular cavity groove is abutted against the surface of the contraction convex plate, the cross section of the contraction convex plate is in the shape of " convex", the contraction convex plate is provided with eight, and the eight contraction convex plates are arranged in the form of annular array around the center point of the driving rod.

[0012] Preferably, the cross section of the transmission guide roller is in the shape of regular octagonal, and the rubber pad is arranged on each surface of the transmission guide roller.

[0013] Compared with the prior art, the utility model has the advantages that: the transmission guide roller and the auxiliary roller are arranged between the two side plates of the support frame, so that the pulled film roll is clamped during the cutting process, the cutting plate moves downward when the pneumatic cylinder is started, and the pulled film roll is cut between the auxiliary plate and the cutting plate, so that the cutting end surface of the film roll is flush, the contraction convex plate can move on the surface of the rectangular cavity groove by the elastic force of the compression spring, so that the pulled film roll is clamped between the auxiliary roller and the rubber pad when the transmission guide roller rotates, the driving rod drives the transmission guide roller to rotate automatically between the two side plates of the support frame when the driving motor is started, so that the auxiliary roller and the rubber pad continuously clamp and conduct the film roll, and manual pulling of the film roll is not needed, the cutting surface of the thermoplastic polyurethane film is flush, and the clamping and pulling effect during the cutting process of the thermoplastic polyurethane film is realized. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a whole three-dimensional schematic view of the utility model structure device.

[0015] Figure 2 is a top view schematic diagram of the structural transmission guide roller of the utility model;

[0016] Figure 3 is Figure 2 is a middle A-A section schematic diagram;

[0017] Figure 4 is an enlarged schematic diagram of A in the figure;

[0018] Figure 5 is a support frame and stable frame connection schematic diagram;

[0019] Figure 6 is a transmission guide roller and driving motor connection schematic diagram.

[0020] In the figure: cutting table 1, transmission guide roller 2, driving motor 3, auxiliary cutter plate 4, cutting cutter plate 5, auxiliary roller 6, rotating rod 7, driving rod 8, rubber pad 9, pneumatic cylinder 10, rectangular cavity groove 11, contraction convex plate 12, compression spring 13, support frame 14, stable frame 15, support frame 16, film roll support rod 17, film roll 18. DETAILED DESCRIPTION

[0021] In order to make the purpose, technical scheme of the utility model to carry out clear, complete description, and the advantage is more clear and obvious, the following combining the figure to the utility model embodiment carries out further detailed explanation.Should understand, the specific embodiment described here is a part of the embodiment of the utility model, instead of all the embodiments, only use to explain the embodiment of the utility model, and does not use to limit the embodiment of the utility model, the all other embodiments of the ordinary skill in the art obtained under the premise of not doing creative labor, all belong to the scope of protection of the utility model.

[0022] Embodiment one, please refer to Figures 1-6The utility model provides a technical scheme: a kind of cutting equipment for thermoplastic polyurethane film, the top surface of cutting table 1 is fixedly connected with the bottom end of support frame 16, the surface of support frame 16 is fixedly connected with film roll support rod 17, the surface of film roll support rod 17 is equipped with film roll 18, including support frame 14, the top surface of cutting table 1 is fixedly connected with the bottom end of support frame 14, transmission guide roller 2 and auxiliary roller 6 are arranged between the two side plates of support frame 14, the end surface of support frame 14 is provided with integrated stable frame 15, the inner top surface of stable frame 15 is fixedly connected with pneumatic cylinder 10, the top surface of cutting knife plate 5 is fixedly connected with the output shaft end of pneumatic cylinder 10, auxiliary knife plate 4 is fixedly connected between the two side plates of stable frame 15, film roll 18 can be supported by the cooperation of support frame 16 and film roll support rod 17, it is convenient to pull during the cutting process of film roll 18, transmission guide roller 2 and auxiliary roller 6 are arranged between the two side plates of support frame 14, so that film roll 18 after pulling is clamped during the cutting process, when starting pneumatic cylinder 10, cutting knife plate 5 moves downward, so that film roll 18 after pulling is cut between auxiliary knife plate 4 and cutting knife plate 5, so the cutting end surface of film roll 18 can be flush.

[0023] Embodiment two, refer to the attached Figures 1 to 6 On the basis of embodiment one, in order to film roll 18 is clamped between auxiliary roller 6 and rubber pad 9, rotatable rod 7 is rotatably connected between the two side plates of support frame 14, the surface of rotatable rod 7 is fixedly connected with the inside of auxiliary roller 6, the top end of auxiliary roller 6 abuts against the bottom surface of rubber pad 9, the end surface of rubber pad 9 is arc-shaped, the surface of rubber pad 9 is fixedly connected with the end surface of shrink convex plate 12, the surface of shrink convex plate 12 is movably connected with the surface of rectangular cavity groove 11, rectangular cavity groove 11 is arranged in the inside of transmission guide roller 2, rectangular cavity groove 11 is provided with compression spring 13, the surface of transmission guide roller 2 is rotatably connected between the two side plates of support frame 14;

[0024] By movably connecting the surface of shrink convex plate 12 with the surface of rectangular cavity groove 11, when transmission guide roller 2 rotates between the two side plates of support frame 14, so that shrink convex plate 12 can move on the surface of rectangular cavity groove 11 by the elastic force of compression spring 13, so when transmission guide roller 2 rotates, film roll 18 after pulling is clamped between auxiliary roller 6 and rubber pad 9.

[0025] Embodiment three, refer to the attached Figures 1 to 6 On the basis of embodiment two, in order to automatically pull film roll 18 without manual operation, the surface of drive rod 8 is fixedly connected in the inside of transmission guide roller 2, the surface of drive rod 8 is rotatably connected between the two side plates of support frame 14, the end of drive rod 8 is fixedly connected with the output shaft end of driving motor 3, the base of driving motor 3 is fixedly connected with the surface of side plate of support frame 14.

[0026] When the driving motor 3 is started, the driving rod 8 drives the transmission guide roller 2 to rotate automatically between the two side plates of the support frame 14, so that the auxiliary roller 6 and the rubber pad 9 continuously clamp and guide the film roll 18, thereby automatically pulling the film roll 18 without manual operation, and the film roll 18 is conveniently guided between the auxiliary knife plate 4 and the cutting knife plate 5 for cutting.

[0027] In actual use, the film roll 18 is supported by the cooperation of the support frame 16 and the film roll supporting rod 17, which facilitates pulling the film roll 18 during cutting. The transmission guide roller 2 and the auxiliary roller 6 are arranged between the two side plates of the support frame 14, so that the pulled film roll 18 is clamped during cutting. When the pneumatic cylinder 10 is started, the cutting knife plate 5 moves downward, so that the pulled film roll 18 is cut between the auxiliary knife plate 4 and the cutting knife plate 5, thereby making the cut end surface of the film roll 18 flush. The surface of the contraction protruding plate 12 is movably connected to the surface of the rectangular cavity groove 11. When the transmission guide roller 2 rotates between the two side plates of the support frame 14, the contraction protruding plate 12 moves automatically on the surface of the rectangular cavity groove 11 under the elastic force of the compression spring 13. Therefore, when the transmission guide roller 2 rotates, the pulled film roll 18 is clamped between the auxiliary roller 6 and the rubber pad 9. When the driving motor 3 is started, the driving rod 8 drives the transmission guide roller 2 to rotate automatically between the two side plates of the support frame 14, so that the auxiliary roller 6 and the rubber pad 9 continuously clamp and guide the film roll 18, thereby automatically pulling the film roll 18 without manual operation, and the film roll 18 is conveniently guided between the auxiliary knife plate 4 and the cutting knife plate 5 for cutting.

[0028] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A cutting device for thermoplastic polyurethane film, the top surface of the cutting table (1) is fixedly connected with the bottom end of the support frame (16), the surface of the support frame (16) is fixedly connected with the film roll support rod (17), the surface of the film roll support rod (17) is sleeved with the film roll (18), comprising a support frame (14), characterized in that: The bottom end of the support frame (14) is fixedly connected with the top surface of the cutting table (1), the transmission guide roller (2) and the auxiliary roller (6) are arranged between the two side plates of the support frame (14), the integral stable frame (15) is arranged on the end surface of the support frame (14), the inner top surface of the stable frame (15) is fixedly connected with the pneumatic cylinder (10), the output shaft end of the pneumatic cylinder (10) is fixedly connected with the top surface of the cutting knife plate (5), and the auxiliary knife plate (4) is fixedly connected between the two side plates of the stable frame (15).

2. A cutting apparatus for thermoplastic polyurethane film according to claim 1, characterized in that: The cross sections of the support frame (14) and the stable frame (15) are arranged in the shape of "Fang", the width dimension of the stable frame (15) is greater than the width dimension of the cutting knife plate (5), the cross sections of the cutting knife plate (5) and the auxiliary knife plate (4) are isosceles triangle, and the center points of the cutting knife plate (5) and the auxiliary knife plate (4) coincide on the same vertical line.

3. A cutting apparatus for thermoplastic polyurethane film according to claim 1, wherein: The rotating rod (7) is rotatably connected between the two side plates of the support frame (14), the inner part of the auxiliary roller (6) is fixedly connected with the surface of the rotating rod (7), the top end of the auxiliary roller (6) abuts against the bottom surface of the rubber pad (9), the end surface of the rubber pad (9) is arranged in an arc shape, the end surface of the shrink convex plate (12) is fixedly connected with the surface of the rubber pad (9), the surface of the shrink convex plate (12) is movably connected with the surface of the rectangular cavity groove (11), the rectangular cavity groove (11) is arranged in the inner part of the transmission guide roller (2), the surface of the rectangular cavity groove (11) is provided with the compression spring (13), and the surface of the transmission guide roller (2) is rotatably connected between the two side plates of the support frame (14).

4. The cutting apparatus for thermoplastic polyurethane film according to claim 1, wherein: The surface of the drive rod (8) is fixedly connected with the inner part of the transmission guide roller (2), the surface of the drive rod (8) is rotatably connected between the two side plates of the support frame (14), the end part of the drive rod (8) is fixedly connected with the output shaft end of the drive motor (3), and the base of the drive motor (3) is fixedly connected with the surface of the side plate of the support frame (14).

5. A cutting apparatus for thermoplastic polyurethane film according to claim 3, wherein: The surface of the rectangular cavity groove (11) is close to the surface of the shrink convex plate (12), the cross section of the shrink convex plate (12) is arranged in the shape of " convex", there are eight shrink convex plates (12), and the eight shrink convex plates (12) are arranged in a ring array along the center point of the drive rod (8).

6. A cutting apparatus for thermoplastic polyurethane film according to claim 1, wherein: The cross section of the transmission guide roller (2) is arranged in the shape of a regular octagonal square, and the rubber pad (9) is arranged on each surface of the transmission guide roller (2).

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