CN213892431U

CN213892431U - Automobile airbag cover with INS film

Info

Publication number: CN213892431U
Application number: CN202022689240.0U
Authority: CN
Inventors: 张晓良
Original assignee: Jiangsu Ideal Optical Technology Co ltd
Current assignee: Jiangsu Ideal Optical Technology Co ltd
Priority date: 2020-11-19
Filing date: 2020-11-19
Publication date: 2021-08-06
Anticipated expiration: 2030-11-19

Abstract

The utility model relates to an automobile air bag lid with INS membrane, it includes that the gasbag lid moulds plastics the casing and forms the INS membrane on gasbag lid casing surface of moulding plastics, the INS membrane includes surface protection layer, decorative layer, the layer of adhering to and the substrate that stacks gradually the setting, the substrate forms the gasbag lid moulds plastics the casing on the surface, the material of substrate is TPO, TPV, TPEE or TPU thermoplastic elastomer, or PP. The automobile trim can be guaranteed not to break and splash to hurt people in the automobile when the automobile meets traffic accidents and the safety airbag pops up, and has good formability, weather resistance, scraping resistance and solvent resistance so as to meet the decoration and functionality of the automobile trim.

Description

Automobile airbag cover with INS film

Technical Field

The utility model relates to a functional membrane technical field relates to an INS membrane, concretely relates to car air bag lid with INS membrane.

Background

The INS (Film Insert Molding) technology is characterized in that a Film with patterns is prefabricated and covers the surface of a part in the injection Molding process, so that the surface of the part has different colors, textures and glossiness, and the appearance of the part can be rapidly adjusted according to needs.

Because ABS, PC have good shaping processing type, fine comprehensive properties, the rigidity is large, creep becomes little, impact resistance, heat resistance, hardness and aging resistance are all good, apply to the spare part of the automotive interior extensively; the substrate most used for the conventional INS film in the automotive interior is ABS, PC or an alloy material of the two. However, these materials have high rigidity and poor toughness, are easy to generate fragments to splash when the airbag is ejected, cause secondary damage, and are not suitable for parts such as automobile airbag covers.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects, the utility model aims to provide an automobile airbag cover with an INS membrane.

In order to achieve the above purpose, the utility model adopts the technical scheme that: the utility model provides an automobile air bag lid with INS membrane, it includes that the air bag lid moulds plastics the casing and forms the INS membrane on casing surface is moulded plastics to the air bag lid, the INS membrane is including the surperficial protective layer, the decorative layer, layer and substrate of following that stack gradually the setting, the substrate forms the air bag lid moulds plastics on the casing surperficial, the material of substrate is TPO, TPV, TPEE or TPU thermoplastic elastomer, or PP.

Preferably, the material of the surface protection layer is PMMA.

Further, the glossiness of the surface protection layer is high gloss, flat gloss or matte.

Preferably, the decorative layer is an ink, a metal coating or a laminate of the two.

Preferably, the adhesive layer is a two-component polyurethane system coating.

Further, the thickness of the surface protection layer is 50-125 μm.

Preferably, the substrate has a thickness of 125 μm to 300. mu.m.

Because of the application of the technical scheme, compared with the prior art, the utility model has the following advantages: the utility model discloses car air bag lid with INS membrane, substrate through adopting specific material cooperate other structures in order to form at the gasbag lid casing of moulding plastics as the INS membrane, can guarantee that the car meets the ornament can not produce the piece that breaks and splash injury car personnel in the car when traffic accident and air bag pop out, have good formability, weatherability, scratch resistance and solvent resistance in addition in order to satisfy decorative and functional of automotive interior.

Drawings

Some specific embodiments of the present invention will be described in detail hereinafter, by way of illustration and not by way of limitation, with reference to the accompanying drawings. The same reference numbers in the drawings identify the same or similar elements or components. Those skilled in the art will appreciate that the drawings are not necessarily drawn to scale. In the drawings:

FIG. 1 is a schematic structural view of an automotive airbag cover having an INS membrane according to the present invention;

fig. 2 is a schematic structural view of an INS membrane of an airbag cover of an automobile having the INS membrane according to the present invention.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.

An automotive airbag cover having an INS film as shown in fig. 1 includes an airbag cover injection molded case 2 ' and an INS film 1 ' formed on the surface (i.e., outer surface) of the airbag cover injection molded case 2 '. The structure of the INS membrane 1 ' is shown in fig. 2, and comprises a surface protection layer 1, a decoration layer 2, an adhesion layer 3 and a substrate 4 which are sequentially stacked, wherein the substrate 4 is formed on the surface of an airbag cover injection molding shell 2 ' (defining that the side where the INS membrane 1 ' is located in the automobile airbag cover is the outer side, and the side where the airbag cover injection molding shell 2 ' is located is the inner side, then the INS membrane 1 ' comprises the substrate 4, the adhesion layer 3, the decoration layer 2 and the surface protection layer 1 which are sequentially arranged from inside to outside), and the substrate 4 is made of a thermoplastic elastomer (such as one of TPO, TPV, TPEE and TPU) or a PP material. The substrate 4 made of specific materials is matched with other structures to form the injection molding shell 2 ' of the airbag cover as the INS film 1 ', so that the situation that when an automobile meets a traffic accident and an airbag pops up, a decoration (namely the automobile airbag cover) cannot generate broken fragments to splash to hurt personnel in the automobile (the substrate 4 and the injection molding shell 2 ' of the airbag cover, the adhesion layer 3 and the like have good adhesion) can be ensured, and the substrate 4 has good formability, weather resistance, scratch resistance and solvent resistance so as to meet the decoration and functionality of automobile interior trim.

In this embodiment, the surface protection layer 1 is made of PMMA, and the glossiness thereof is high, flat or matte. The decorative layer 2 is ink, a metal plating layer, or a laminated assembly of the two. The following layer 3 is a two-component polyurethane system coating. The thickness of the surface protective layer 1 is preferably 50 μm to 125 μm. The thickness of the substrate 4 is preferably 125 μm to 300. mu.m.

The preparation method of the automobile airbag cover with the INS film comprises the following steps:

(1) forming a decorative layer 2 on the surface of the surface protection layer 1 (PMMA) by using the processes of gravure printing, screen printing, evaporation, sputtering and the like;

(2) forming an adhesive layer 3 on the decorative layer 2 by using a method such as dimple coating, and removing an organic solvent in the adhesive layer 3 by using a thermal drying method;

(3) compounding the substrate 4 and the adhesive layer 3 by a thermal compounding roller;

(4) curing, rolling and cutting the finished product obtained in the step (3) to obtain an INS film 1';

(5) forming the INS film 1' into an INS preformed body in the shape of an airbag cover through plastic suction;

(6) punching off leftover materials of the INS preformed body by using a matched air bag cover punching die;

(7) and embedding the punched INS preformed body into a matched injection mold, and performing injection molding.

The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and to implement the present invention, so as not to limit the protection scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.

Claims

1. An automobile air bag cover with an INS film, which comprises an air bag cover injection molding shell (2 ') and an INS film (1 ') formed on the surface of the air bag cover injection molding shell (2 '), wherein the INS film (1 ') comprises a surface protection layer (1), a decoration layer (2), an adhesion layer (3) and a substrate (4) which are sequentially stacked, the substrate (4) is formed on the surface of the air bag cover injection molding shell (2 '), and the automobile air bag cover is characterized in that: the base material (4) is TPO, TPV, TPEE or TPU thermoplastic elastomer or PP.

2. The automotive airbag cover with an INS film as claimed in claim 1, wherein: the surface protection layer (1) is made of PMMA.

3. The automotive airbag cover with an INS film as claimed in claim 2, wherein: the glossiness of the surface protection layer (1) is high, flat or matte.

4. The automotive airbag cover with an INS film as claimed in claim 1, wherein: the decorative layer (2) is ink, a metal coating or a laminated assembly of the ink and the metal coating.

5. The automotive airbag cover with an INS film according to claim 1 or 2, characterized in that: the thickness of the surface protection layer (1) is 50-125 μm.

6. The automotive airbag cover with an INS film as claimed in claim 1, wherein: the thickness of the substrate (4) is 125-300 μm.