Reinforced anti-puncture packaging sheet

Abstract

The utility model relates to a reinforced anti-puncture packaging sheet which is characterized in that an outer film layer is arranged on the outer side of a sheet base layer, and a protective layer is arranged on the outer side of the outer film layer; an inner film layer, a buffer layer and an anti-puncture layer are sequentially arranged between the sheet base layer and the outer film layer from inside to outside; the buffer layer is a polyurethane layer, a plurality of blocky buffer protrusions are arranged on the inner side and the outer side of the buffer layer, and the buffer protrusions make contact with the inner film layer on the inner side and the anti-puncture layer on the outer side respectively; the anti-puncture layer is composed of a glass fiber silk screen formed by a plurality of mutually crossed glass fibers. The buffer layer is in contact with the inner layer and the outer layer through the buffer protrusions, and the buffer capacity can be improved; the anti-puncture layer is in contact with the outer membrane protrusions of the outer membrane layer, and then the outer side protective layer is used for wrapping, so that the sheet base layer can be better protected.

Description

Technical Field

[0001] The utility model relates to the technical field related to packaging sheets, and in particular to a reinforced puncture-proof packaging sheet. Background Art

[0002] For conventional electronic products such as circuit boards, sheets are often used for appropriate packaging, and PET sheets are the most common.

[0003] After massive searches, it was found that the prior art announcement number is CN218660806U, which discloses a puncture-proof sheet suitable for sharp product packaging, including an APET substrate layer, a main adhesive layer is arranged on the APET substrate layer, a buffer layer is laid on the main adhesive layer, a secondary adhesive layer is arranged on the buffer layer, an anti-puncture layer is laid on the secondary adhesive layer, a waterproof layer is hot-pressed at the bottom of the APET substrate layer, and a plurality of inner grooves are distributed on the upper and lower surfaces of the APET substrate layer. In this way, the sharp parts attached to the packaged items can be effectively dealt with, the possibility of being punctured can be reduced as much as possible, and the isolation effect of the package can be improved. The use of independent buffer layers and anti-puncture layers can effectively bear external deformation pressure and puncture pressure, and the integrity of the package sheet after wrapping can be improved as much as possible, and the service life can be improved. The hot pressing is carried out by heat-sealing glue to ensure complete molding, and no accidental stratification will occur even if it is pulled by force in the future. The overall structure is simple, and it can be prepared using commercially available equipment and materials, and the implementation cost is low.

[0004] In summary, the problems existing in the prior art are:

[0005] The existing buffer layer is generally treated with polyurethane to achieve buffering, and the puncture-proof layer is generally treated with silicone to achieve puncture-proof, but the buffering and puncture-proof effects are relatively general.

[0006] In view of the above-mentioned defects, the designer actively conducts research and innovation in order to create a reinforced anti-puncture packaging sheet to make it more valuable for industrial use. Utility Model Content

[0007] In order to solve any of the above technical problems, the purpose of the utility model is to provide a reinforced puncture-proof packaging sheet.

[0008] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0009] A reinforced puncture-proof packaging sheet comprises a sheet base, an outer film layer is arranged on the outer side of the sheet base, and a protective layer is arranged on the outer side of the outer film layer;

[0010] An inner film layer, a buffer layer and an anti-puncture layer are arranged in sequence from the inside to the outside between the sheet base layer and the outer film layer;

[0011] The buffer layer is a polyurethane layer, and a plurality of block-shaped buffer protrusions are arranged on the inner and outer sides of the buffer layer, and the plurality of buffer protrusions are in contact with the inner inner film layer and the outer anti-puncture layer respectively;

[0012] The anti-puncture layer is composed of a glass fiber mesh formed by a plurality of glass fibers crossing each other.

[0013] As a further improvement of the utility model, a plurality of base protrusions with arc-shaped structures are arranged on the outer side of the sheet base layer, and the base protrusions are in contact with the inner film layer on the outer side.

[0014] As a further improvement of the utility model, a plurality of corrugated anti-slip protrusions are evenly distributed on the outer side of the protective layer.

[0015] As a further improvement of the utility model, the inner film layer is a PE film, and the outer film layer is a PET film.

[0016] As a further improvement of the utility model, a plurality of outer membrane protrusions with arc-shaped structures are arranged on the inner side of the outer membrane layer, and the outer membrane protrusions are in contact with the inner anti-puncture layer.

[0017] As a further improvement of the utility model, the protective layer is a plastic coating layer.

[0018] By means of the above solution, the utility model has at least the following advantages:

[0019] The buffer layer of the utility model contacts the inner and outer layers through the buffer protrusions, which can improve the buffering capacity;

[0020] The puncture-proof layer of the utility model contacts the outer membrane protrusion of the outer membrane layer, and is then covered by the outer protective layer, so that the sheet base layer can be better protected.

[0021] The above description is only an overview of the technical solution of the utility model. In order to more clearly understand the technical means of the utility model and implement it according to the contents of the specification, the following is a detailed description of the preferred embodiments of the utility model in conjunction with the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

[0023] Figure 1 It is a structural schematic diagram of a reinforced puncture-proof packaging sheet of the utility model;

[0024] Figure 2 yes Figure 1 Schematic diagram of the local structure of the middle sheet base;

[0025] Figure 3 yes Figure 1 Schematic diagram of the structure of the middle puncture-proof layer;

[0026] Figure 4 yes Figure 1 Schematic diagram of the structure of the middle protective layer.

[0027] The meanings of the various reference numerals in the figures are as follows.

[0028] Sheet base layer 1, inner film layer 2, buffer layer 3, anti-puncture layer 4, outer film layer 5, protective layer 6, base protrusion 7, glass fiber mesh 8, anti-slip protrusion 9. DETAILED DESCRIPTION

[0029] The following is a further detailed description of the specific implementation of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0030] In order to make the technical personnel in the technical field better understand the scheme of the utility model, the technical scheme in the embodiment of the utility model will be clearly and completely described below in combination with the drawings in the embodiment of the utility model. Obviously, the described embodiment is only a part of the embodiment of the utility model, rather than all the embodiments. The components of the embodiment of the utility model usually described and shown in the drawings here can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiment of the utility model provided in the drawings is not intended to limit the scope of the utility model for protection, but only represents the selected embodiment of the utility model. Based on the embodiment of the utility model, all other embodiments obtained by those skilled in the art without making creative work belong to the scope of protection of the utility model. Example

[0031] like Figure 1~Figure 4 As shown,

[0032] A reinforced puncture-proof packaging sheet comprises a sheet base layer 1, on the outer side of which are arranged an inner film layer 2, a buffer layer 3, an anti-puncture layer 4, an outer film layer 5 and a protective layer 6 in sequence from the inside to the outside.

[0033] 1. The sheet base layer 1 is made of PET or PVC, etc. A plurality of arc-shaped base protrusions 7 are arranged on the outside of the sheet base layer 1, and the base protrusions 7 are in contact with the inner film layer 2 on the outside.

[0034] 2. The inner film layer 2 is a PE film, and the outer film layer 5 is a PET film.

[0035] 3. The buffer layer 3 is a polyurethane layer, and a plurality of block-shaped buffer protrusions are arranged on the inner and outer sides of the buffer layer 3, and the plurality of buffer protrusions are respectively in contact with the inner film layer 2 and the outer puncture-proof layer 4. The contact area between the buffer layer 3 and the inner and outer layers can be increased by the structural arrangement of the buffer protrusions, and its stability can be improved while improving the buffering performance.

[0036] 4. The anti-puncture layer 4 is composed of a glass fiber mesh 8 formed by a plurality of glass fibers interlaced with each other. The glass fibers are interwoven and stacked to enhance their own strength, thereby better protecting the package and preventing it from being punctured.

[0037] 5. A plurality of arc-shaped outer membrane protrusions are arranged on the inner side of the outer membrane layer 5 , and the outer membrane protrusions are in contact with the inner anti-puncture layer 4 .

[0038] 6. The protective layer 6 is a plastic coating layer, and a plurality of corrugated anti-slip protrusions 9 are evenly distributed on the outer side of the protective layer 6.

[0039] In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", etc. are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implying the number of technical features indicated. Therefore, features defined as "first", "second", etc. may explicitly or implicitly include one or more of the features. In the description of the present utility model, unless otherwise specified, "multiple" means two or more.

[0040] In the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection, it can be a mechanical connection, it can be an electrical connection, it can be a direct connection, it can be an indirect connection through an intermediate medium, and it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0041] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. It should be pointed out that a person skilled in the art can make several improvements and modifications without departing from the technical principle of the present invention, and these improvements and modifications should also be regarded as within the protection scope of the present invention.

Claims

1. A reinforced puncture-proof packaging sheet, comprising a sheet base (1), an outer film layer (5) is arranged on the outer side of the sheet base (1), and a protective layer (6) is arranged on the outer side of the outer film layer (5); Features: An inner film layer (2), a buffer layer (3) and an anti-puncture layer (4) are arranged in sequence from the inside to the outside between the sheet base layer (1) and the outer film layer (5); The buffer layer (3) is a polyurethane layer, and a plurality of block-shaped buffer protrusions are arranged on the inner side and the outer side of the buffer layer (3), and the plurality of buffer protrusions are in contact with the inner film layer (2) on the inner side and the puncture-proof layer (4) on the outer side respectively; The puncture-proof layer (4) is composed of a glass fiber mesh (8) formed by a plurality of glass fibers intersecting each other; A plurality of base protrusions (7) with an arc-shaped structure are arranged on the outer side of the sheet base layer (1), and the base protrusions (7) are in contact with the outer inner film layer (2); A plurality of arc-shaped outer membrane protrusions are arranged on the inner side of the outer membrane layer (5), and the outer membrane protrusions are in contact with the inner anti-puncture layer (4).

2. A reinforced puncture-resistant packaging sheet as claimed in claim 1, characterized in that: A plurality of corrugated anti-slip protrusions (9) are evenly distributed on the outer side of the protective layer (6).

3. A reinforced puncture-resistant packaging sheet as claimed in claim 1, characterized in that: The inner film layer (2) is a PE film, and the outer film layer (5) is a PET film.

4. A reinforced puncture-resistant packaging sheet as claimed in claim 1, characterized in that: The protective layer (6) is a plastic coating layer.

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