Food-grade polyester type TPU (thermoplastic polyurethane) film

Abstract

The utility model relates to the technical field of TPU (thermoplastic polyurethane) films, and discloses a food-grade polyester type TPU film which comprises a film component, cutting mounting components are mounted on two sides of the film component, a cutting regulation and control component is mounted in each cutting mounting component, and a cutting component is mounted in the middle of the front side of each cutting regulation and control component. According to the utility model, the cutting regulation and control components are arranged on the two sides of the device, so that when the device is used, random cutting can be carried out according to the length required by different use scenes through the arrangement of the components, the trouble of tearing in the prior art can be avoided, the quantitative property is realized, and the use is more flexible.

Description

Technical Field

[0001] The utility model relates to the technical field of TPU films, in particular to a food-grade polyester-based TPU film. Background Art

[0002] TPU films are made into films through processes such as calendering, casting, blown film, and coating on the basis of TPU pellets. They are widely used in sports shoes: for trademark decoration, airbags, air cushions, oil bags, etc. on the soles and upper surfaces of shoes. Nowadays, there are two trends in the application of TPU films in sports shoes: one is the fashion trend set off by women's sandals, that is, high-transparency TPU films are directly cut, or screen-printed and colored, or laminated with cloth bases to form mesh cloth, etc., and are high-frequency formed and bonded to the upper surface of the shoes, with functional and decorative effects. The other is to use the waterproof and moisture-permeable TPU film in combination with shoe materials to achieve the effect of waterproof and moisture permeability. TPU (thermoplastic polyurethane) is increasingly popular due to its excellent performance and environmental protection concept. Wherever PVC is used, TPU can become a substitute for PVC. However, PVC can't match the advantages that TPU has. TPU not only has the characteristics of high tension, high tensile strength, toughness and aging resistance, but also is a mature environmental protection material. TPU has been widely used in: shoe materials, ready-to-wear, inflatable toys, sports equipment on water and underwater, medical equipment, fitness equipment, car seat materials, umbrellas, suitcases, leather bags, etc.

[0003] The application number is CN202021799201.X, which discloses a TPU film, including a body. The body is composed of an upper wear-resistant layer, a matrix and a lower wear-resistant layer. A circular ring is fixedly connected to the upper surface of the body. One side of the circular ring is fixedly connected with a diamond-shaped convex block on the upper surface of the body. A rectangular opening is formed in the middle of the body. Meshing teeth are fixedly connected to the bottom of the upper wear-resistant layer, the upper and lower ends of the matrix and the top of the lower wear-resistant layer. The meshing teeth at the bottom of the upper wear-resistant layer, the upper and lower ends of the matrix and the top of the lower wear-resistant layer are all composed of several continuous triangular blocks. By arranging the upper wear-resistant layer and the lower wear-resistant layer at the upper and lower ends of the matrix, the wear resistance of the body is increased, and by arranging the circular ring and the diamond-shaped convex block on the surface of the body, the friction of the surface of the body is improved, thereby improving the anti-slip performance. The elasticity of the body can be increased through the rectangular opening and the through hole.

[0004] Although the above-mentioned utility model increases the wear resistance of the body by arranging the upper wear-resistant layer and the lower wear-resistant layer at the upper and lower ends of the matrix, and improves the friction of the surface of the body by arranging the circular ring and the diamond-shaped convex block on the surface of the body, thereby improving the anti-slip performance, and the elasticity of the body can be increased through the rectangular opening and the through hole, the disadvantage is that the device has certain inconvenience during use, which may cause a certain waste of resources due to improper tearing during the trial period.

[0005] Therefore, it is necessary to install a cutting control component on both sides of the device, so that when using this device, through the setting of its components, it can be arbitrarily cut according to the length required by different usage scenarios, which can avoid the trouble and quantification of traditional tearing and has more flexible usability. Summary of the Utility Model

[0006] The purpose of the present utility model is to provide a food-grade polyester-based TPU film to solve the problems raised in the above-mentioned background technology.

[0007] To solve the above technical problems, the present utility model is achieved through the following technical solutions:

[0008] The present utility model is a food-grade polyester-based TPU film, including a film component. Cutting installation components are installed on both sides of the film component. A cutting control component is installed inside the cutting installation component. A cutting component is installed in the middle of the front side of the cutting control component.

[0009] Furthermore, the film component includes an installation reel. An installation cavity is opened inside the installation reel, and a film is installed on its outer side. Threaded walls are correspondingly installed at the outer ends of both sides of the film.

[0010] Furthermore, the cutting installation component includes an installation ring. A nut wall is opened on the inner wall of the installation ring, and an adjustment tooth groove is installed at one end of its outer side. A reset cavity is installed on the corresponding other side of the adjustment tooth groove. A limiting plate one is installed at the end of the reset cavity, and a limiting plate two is installed in the middle of its interior.

[0011] Furthermore, the cutting control component includes a braking end. A stretching rod is installed in the middle of the inner side of the braking end. A reset spring is installed on the outer circumference of the stretching rod, and a limiting block is installed at its end.

[0012] Furthermore, the cutting component includes a telescopic sliding rod. A slider is installed in the middle of the telescopic sliding rod. A cutting knife is installed on the inner side of the slider, and a moving buckle is installed on its outer side.

[0013] Furthermore, the braking end includes an adjustment pull ring. A braking body is installed on the inner side of the adjustment pull ring. An adjustment gear is installed on the inner side of the braking body.

[0014] The present utility model has the following beneficial effects:

[0015] (1)The present utility model relates to a food-grade polyester TPU film. By installing trimming and adjustment components on both sides of the device, when using this device, according to the settings of its components, it can be arbitrarily trimmed according to the lengths required by different usage scenarios, thus avoiding the trouble and quantification of traditional tearing and having greater flexibility in use.

[0016] (2)The present utility model relates to a food-grade polyester TPU film. By installing relevant parts such as a return spring inside the device, after the adjustment is completed, it can assist in the reset work to avoid the situation of difficult retraction and further affect the subsequent work progress.

[0017] Of course, when implementing any product of the present utility model, it is not necessarily required to achieve all the above-mentioned advantages simultaneously. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following will briefly introduce the drawings required for the description of the 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 also be obtained based on these drawings.

[0019] Figure 1 It is a schematic diagram of the overall structure of a food-grade polyester TPU film of the present utility model;

[0020] Figure 2 For Figure 1 a schematic enlarged view of the structure of part A in

[0021] Figure 3 It is a schematic diagram of the split internal sectional structure of a food-grade polyester TPU film of the present utility model;

[0022] Figure 4 For Figure 3 a schematic enlarged view of the structure of part B in

[0023] In the drawings, the list of components represented by each reference numeral is as follows:

[0024] In the figure: 1. Film component; 2. Cutting and installation component; 3. Cutting regulation component; 4. Cutting component; 101. Installation reel; 102. Installation cavity; 103. Film; 104. Threaded wall; 201. Installation ring; 202. Nut wall; 203. Adjustment tooth groove; 204. Reset cavity; 205. Limiting plate one; 206. Limiting plate two; 301. Braking end; 302. Tensile rod; 303. Reset spring; 304. Limiting block; 401. Telescopic slide rod; 402. Slide block; 403. Cutter; 404. Moving buckle; 3011. Adjustment pull ring; 3012. Braking body; 3013. Adjustment gear. Detailed implementation manners

[0025] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0026] Please refer to Figure 1 - Figure 4 As shown, the present invention is a food-grade polyester-based TPU film, including a film component 1. Cutting and installation components 2 are installed on both sides of the film component 1. A cutting regulation component 3 is installed inside the cutting and installation component 2. A cutting component 4 is installed in the middle of the front side of the cutting regulation component 3.

[0027] By installing the cutting regulation component 3 on both sides of the device, when using this device, according to the settings of its components, it can be arbitrarily cut according to the length required by different usage scenarios, which can avoid the trouble and quantification of traditional tearing and has better flexibility in use.

[0028] The film component 1 includes an installation reel 101. An installation cavity 102 is opened inside the installation reel 101, and a film 103 is installed on its outer side. Threaded walls 104 are correspondingly installed at the outer ends of both sides of the film 103. The cutting and installation component 2 is rotatably installed on the threaded walls 104 on both sides of the installation reel 101 in the film component 1. After that, the film 103 is installed on the installation reel 101 to start using.

[0029] The cutting and installation component 2 includes an installation ring 201. A nut wall 202 is opened on the inner wall of the installation ring 201, and an adjustment tooth groove 203 is installed at one end of its outer side. A reset cavity 204 is installed on the corresponding other side of the adjustment tooth groove 203. A limiting plate one 205 is installed at the end of the reset cavity 204, and a limiting plate two 206 is installed in the middle of its interior.

[0030] The cutting control component 3 includes a braking end 301. In the middle of the inner side of the braking end 301, a stretching rod 302 is installed. A return spring 303 is installed on the outer periphery of the stretching rod 302, and a limiting block 304 is installed at its end. After stretching the two sides of the braking end 301 outwards, the internal stretching rod 302 moves to press the internal return spring 303 and stretch it outwards. Then, after corresponding to different adjustment tooth grooves 203, one can let go. In this way, cutting can be achieved according to different distance requirements. The return spring 303 arranged inside can reset the braking end 301.

[0031] The cutting component 4 includes a telescopic sliding rod 401. A slider 402 is installed in the middle of the telescopic sliding rod 401. A cutter 403 is installed on the inner side of the slider 402, and a moving buckle 404 is installed on its outer side. By moving the moving buckle 404, the cutter 403 installed at the bottom can be driven to slide on the film 103 for cutting work.

[0032] The braking end 301 includes an adjustment pull ring 3011. A braking main body 3012 is installed on the inner side of the adjustment pull ring 3011. An adjustment gear 3013 is installed on the inner side of the braking main body 3012. By making the adjustment gear 3013 arranged in the braking end 301 latch onto the adjustment tooth groove 203, the work of fixing and limiting can be completed.

[0033] When using this device, first, the cutting and installation component 2 is rotatably installed on the threaded walls 104 on both sides of the installation reel 101 in the film component 1. Then, the film 103 is installed on the installation reel 101 to start using. When using, after stretching the two sides of the braking end 301 outwards, the internal stretching rod 302 moves to press the internal return spring 303 and stretch it outwards. Then, after corresponding to different adjustment tooth grooves 203, one can let go. In this way, cutting can be achieved according to different distance requirements. The return spring 303 arranged inside can reset the braking end 301. By making the adjustment gear 3013 arranged in the braking end 301 latch onto the adjustment tooth groove 203, the work of fixing and limiting can be completed. Then, move the moving buckle 404, and the cutter 403 installed at the bottom can be driven to slide on the film 103 for cutting work.

[0034] The preferred embodiments of the present utility model disclosed above are only used to help illustrate the present utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the present utility model to the specific embodiments described. Obviously, many modifications and changes can be made according to the content of this specification. These embodiments are selected and specifically described in this specification to better explain the principle and practical application of the present utility model, so that those skilled in the relevant technical field can understand and utilize the present utility model well. The present utility model is only limited by the claims and their full scope and equivalents.

Claims

1. A food-grade polyester-based TPU film, comprising a film assembly (1), characterized in that: On both sides of the film component (1), a cutting and installation component (2) is installed. Inside the cutting and installation component (2), a cutting control component (3) is installed. In the middle of the front side of the cutting control component (3), a cutting component (4) is installed.

2. The food-grade polyester-based TPU film according to claim 1, wherein: The film component (1) includes an installation reel (101). An installation cavity (102) is formed inside the installation reel (101), and a film (103) is installed on its outer side. Threaded walls (104) are correspondingly installed at the outer ends of both sides of the film (103).

3. A food-grade polyester-based TPU film according to claim 1, wherein: The cutting and installation component (2) includes an installation ring (201). A nut wall (202) is formed on the inner wall of the installation ring (201), and an adjustment tooth groove (203) is installed at one end of its outer side. A reset cavity (204) is installed on the corresponding other side of the adjustment tooth groove (203). A limit plate one (205) is installed at the end of the reset cavity (204), and a limit plate two (206) is installed in the middle of its interior.

4. A food-grade polyester-based TPU film according to claim 1, characterized in that: The cutting control component (3) includes a braking end (301). A stretching rod (302) is installed in the middle of the inner side of the braking end (301). A reset spring (303) is installed on the outer circumference of the stretching rod (302), and a limit block (304) is installed at its end.

5. A food-grade polyester-based TPU film according to claim 1, characterized in that: The cutting component (4) includes a telescopic sliding rod (401). A slider (402) is installed in the middle of the telescopic sliding rod (401). A cutter (403) is installed on the inner side of the slider (402), and a moving buckle (404) is installed on its outer side.

6. A food-grade polyester-based TPU film according to claim 4, characterized in that: The braking end (301) includes an adjustment pull ring (3011). A braking body (3012) is installed on the inner side of the adjustment pull ring (3011). An adjustment gear (3013) is installed on the inner side of the braking body (3012).

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