CN214056779U

CN214056779U - Stretch-proofing winding film

Info

Publication number: CN214056779U
Application number: CN202022220824.3U
Authority: CN
Inventors: 孙加玉
Original assignee: Wuxi Jiayou Packaging Material Co ltd
Current assignee: Wuxi Jiayou Packaging Material Co ltd
Priority date: 2020-09-30
Filing date: 2020-09-30
Publication date: 2021-08-27
Anticipated expiration: 2030-09-30

Abstract

The utility model relates to a stretch-proofing winding membrane relates to packaging film's field, including the substrate layer, the both sides face of substrate layer is equipped with the tensile layer respectively, is provided with a plurality of with substrate layer integrated into one piece's reinforcing strip along perpendicular winding membrane length direction on the substrate layer, the length direction of reinforcing strip is the same with the length direction of winding membrane. The application has the effects of good anti-stretching effect and saving the manufacturing cost of the winding film.

Description

Stretch-proofing winding film

Technical Field

The application relates to the field of packaging films, in particular to a stretch-resistant winding film.

Background

In recent years, with the continuous development of winding film production technology, the application fields of the winding film are wider and wider, including the aspects of packaging, sealing, rust prevention and the like of products. But for products with crisp texture, such as glass products, the packaging needs to be added with foam which has larger volume and is difficult to recycle. On one hand, the foam plastic has larger volume, so that the foam plastic occupies excessive transportation space; on the other hand, the foam plastic has low strength, so that the foam plastic needs to be sheathed with a packing box for protection, and the packing box needs to be sealed, thereby improving the packing cost. And the winding film has low cost and small thickness, so the defect of the foam plastic can be exactly compensated theoretically.

The traditional Chinese patent with the publication number of CN209851751U discloses a novel winding film with good tensile property, which comprises a winding film body, wherein the surface of the winding film body is provided with a plurality of parallel reinforcing ribs arranged at equal intervals, the winding film body comprises a first winding film, grid cloth and a second winding film, the grid cloth is positioned between the first winding film and the second winding film, the first winding film comprises an antistatic layer, an antirust layer, a temperature resistant layer and a base material layer, and the first winding film and the second winding film are the same in material and are symmetrical up and down on the grid cloth. The reinforcing ribs are made of nylon, terylene, nylon and composite materials, the grid cloth is made of any one of nylon or cotton threads, and therefore the tensile resistance of the winding film is improved by the reinforcing ribs and the grid cloth.

In view of the above-mentioned related technologies, the inventor thinks that there is a method for increasing the stretch-proof performance of the winding film by arranging reinforcing ribs made of nylon, terylene, nylon and composite materials and arranging mesh cloth made of any one of nylon or cotton threads, so that the materials of multiple parts of the winding film are all cloth materials, and the manufacturing cost of the winding film is increased.

SUMMERY OF THE UTILITY MODEL

In order to facilitate the stretch-proofing effect to be good and save the manufacturing cost of the winding film, the application provides a stretch-proofing winding film.

The stretch-proofing winding film adopts the following technical scheme:

the utility model provides a stretch-proofing winding membrane, includes the substrate layer, and the both sides face of substrate layer is equipped with the tensile layer respectively, is provided with a plurality of reinforced strips with substrate layer integrated into one piece along perpendicular winding membrane length direction on the substrate layer, and the length direction of reinforced strip is the same with the length direction of winding membrane.

Through adopting above-mentioned technical scheme, consolidate the strip and increased winding membrane length direction's tensile strength, the tensile strength of winding membrane has also been increased on the tensile layer simultaneously, and consolidates strip and substrate layer integrated into one piece and makes the preparation step of winding membrane comparatively simple, so be convenient for save the manufacturing cost of winding membrane.

Preferably, the base material layer is a PVE layer.

By adopting the technical scheme, the base material layer is the PVE layer, so that the manufacturing cost of the base material layer is lower, and the manufacturing cost of the winding film is further saved.

Preferably, the tensile layer is provided with a plurality of vertically arranged reinforcing strips along the length direction of the winding film.

Through adopting above-mentioned technical scheme, the reinforcing bar has increased the tensile strength of winding membrane direction of height.

Preferably, the tensile layer is a PET layer.

Through adopting above-mentioned technical scheme, the PET layer has good high, low temperature resistant performance, so make the winding membrane be convenient for resistant high, low temperature.

Preferably, a puncture-resistant layer is fixed on one surface, far away from the base material layer, of each tensile layer.

Through adopting above-mentioned technical scheme, resistant layer of puncturing can reduce the winding membrane and wrap up the emergence that the winding membrane punctured the condition by sharp-pointed article when sharp-pointed article.

Preferably, an antistatic coating is fixed on one surface of each puncture-resistant layer, which is far away from the base material layer.

Through adopting above-mentioned technical scheme, prevent that the static coating can improve the winding membrane and prevent the effect of static.

Preferably, the substrate layer is fixed with a plurality of dragging lines along the length direction of the winding film, and two ends of the dragging lines respectively extend out of two ends of the substrate layer.

By adopting the technical scheme, when the winding film needs to be torn off from a certain position, the two ends of the pulling line nearby are held by hands and the pulling line at the position is transversely pulled in the direction away from the winding film, so that the winding film at the position is conveniently torn off.

Preferably, the side that the reinforcing strip is towards keeping away from convex arc of substrate layer direction, and the substrate layer bonds with the tensile layer.

Through adopting above-mentioned technical scheme, convex reinforcement strip has increased the area of contact of substrate layer with the tensile layer for the substrate layer is more firm with pasting of tensile layer.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the reinforcing strips increase the tensile strength of the winding film in the length direction, the tensile strength of the winding film is increased by the tensile layer, and the reinforcing strips and the base material layer are integrally formed, so that the manufacturing steps of the winding film are simpler, and the manufacturing cost of the winding film is saved;

2. the reinforcing strips increase the tensile strength of the winding film in the height direction;

3. the two ends of the pulling line near the tearing position of the winding film are held by hands, and the pulling line at the position is transversely pulled in the direction far away from the winding film, so that the winding film at the position is conveniently torn.

Drawings

Fig. 1 is a schematic view showing the overall structure of a wrapping film according to an embodiment.

Fig. 2 is a schematic diagram showing a specific structure of each layer of the wrapping film in the example.

Description of reference numerals: 1. a substrate layer; 11. reinforcing the strips; 2. a tensile layer; 21. a reinforcing strip; 3. a puncture resistant layer; 4. an antistatic coating; 5. a tear facilitating member; 51. the wire is pulled.

Detailed Description

The present application is described in further detail below with reference to figures 1-2.

The embodiment of the application discloses stretch-proofing winding membrane. Referring to fig. 1 and 2, the winding film is a roll-shaped film, the winding film includes a substrate layer 1, two tensile layers 2 are respectively disposed on two sides of the substrate layer 1, and the two tensile layers 2 are bonded to the substrate layer 1. The substrate layer 1 is provided with a plurality of reinforcing strips 11 along the vertical direction, and the length direction of the reinforcing strips 11 is the same as that of the wound film. Substrate layer 1 is the PVE layer, and the diameter of reinforcing strip 11 is greater than the width of substrate layer 1, and substrate layer 1 is the same with the 11 materials of reinforcing strip and substrate layer 1 and reinforcing strip 11 integrated into one piece.

Referring to fig. 2, the reinforced strip 11 has increased the stretch-proofing intensity of winding membrane length direction, and reinforced strip 11 is columniform reinforced strip 11, and the side of reinforced strip 11 is for keeping away from the convex arc of substrate layer 1 direction promptly, so reinforced strip 11 has also increased the area of contact of substrate layer 1 with tensile layer 2 for substrate layer 1 is more firm with the pasting of tensile layer 2.

Every tensile layer 2 keeps away from the length direction of substrate layer 1 and all is equipped with a plurality of enhancement strips 21 along the winding membrane, and every is strengthened the equal vertical orientation setting of strip 21, and strengthens strip 21 for keeping away from the convex arc of substrate layer 1 direction. The reinforcing bar 21 thus increases the tensile strength in the height direction of the wound film.

Tensile layer 2 is the PET layer, strengthens strip 21 and 2 materials the same and strengthen strip 21 and tensile layer 2 integrated into one piece on tensile layer, so make tensile layer 2 shaping comparatively convenient, and the PET layer has good resistant high, microthermal performance.

Referring to fig. 2, each tensile layer 2 is fixedly connected with a puncture-resistant layer 3 on the surface far away from the substrate layer 1, and the puncture-resistant layer 3 can reduce the occurrence of the situation that the winding film is punctured by a sharp object when the winding film is wrapped by the sharp object.

Every resistant layer 3 of impaling keeps away from the one side of substrate layer 1 fixedly connected with respectively prevents static coating 4, so prevent that static coating 4 can improve the winding membrane and prevent the effect of static.

Referring to fig. 2, be equipped with a plurality of just tearing 5 that set up along twine membrane length direction on the twine membrane, the accessible is pulled just so and is torn 5 and be convenient for tear the twine membrane apart, prevents to twine the membrane tensile effect and is difficult for tearing apart when making to use twine membrane.

Just, tear piece 5 for fixing the line 51 that pulls in substrate layer 1 inside, pull the both ends of line 51 and stretch out from the upper and lower both ends of substrate layer 1 respectively. When the winding film needs to be torn off from a certain position, the two ends of the adjacent pulling lines 51 are held by hands and the pulling lines 51 at the position are transversely pulled in the direction far away from the winding film, so that the winding film at the position is conveniently torn off.

The implementation principle of the stretch-resistant winding film in the embodiment of the application is as follows: the winding film comprises a base material layer 1 and a tensile layer 2, a puncture-resistant layer 3 and an anti-static coating 4 which are sequentially arranged from the base material layer 1 to the two sides. Be equipped with a plurality of reinforcement strips 11 the same with the length direction of winding membrane on the substrate layer 1, the one side that substrate layer 1 was kept away from on tensile layer 2 is equipped with the enhancement strip 21 that a plurality of vertical directions set up, and reinforcement strip 11 and enhancement strip 21 have all promoted the stretch-proofing effect of winding membrane.

And when the winding film needs to be torn off from the required position, the two ends of the adjacent pulling lines 51 are held by hands and the pulling lines 51 at the position are transversely pulled in the direction far away from the winding film, so that the winding film at the position is conveniently torn off.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A stretch-proofing winding film comprises a substrate layer (1), and is characterized in that: the two side faces of the substrate layer (1) are respectively provided with the tensile layer (2), the substrate layer (1) is provided with a plurality of reinforcing strips (11) which are integrally formed with the substrate layer (1) along the length direction of the vertical winding film, and the length direction of the reinforcing strips (11) is the same as the length direction of the winding film.

2. A stretch resistant wrapping film according to claim 1 wherein: the base material layer (1) is a PVE layer.

3. A stretch resistant wrapping film according to claim 1 wherein: the tensile layer (2) is provided with a plurality of vertically arranged reinforcing strips (21) along the length direction of the winding film.

4. A stretch resistant wrap film according to claim 3 wherein: the tensile layer (2) is a PET layer.

5. A stretch resistant wrap film according to any one of claims 1 to 4, wherein: and a puncture-resistant layer (3) is fixed on one surface of each tensile layer (2) far away from the base material layer (1).

6. A stretch resistant wrapping film according to claim 5, wherein: and an anti-static coating (4) is fixed on one surface of each puncture-resistant layer (3) far away from the base material layer (1).

7. A stretch resistant wrap film according to any one of claims 1, 2, 3, 4, 6 wherein: the length direction that substrate layer (1) were followed the winding membrane is fixed with a plurality of strings of dragging (51), and the both ends of dragging string (51) are stretched out from the both ends of substrate layer (1) respectively.

8. A stretch resistant wrap film according to claim 1 or 2 wherein: the side that reinforcing strip (11) are is for keeping away from convex arc of substrate layer (1) direction, and substrate layer (1) bonds with tensile layer (2).