CN215970504U

CN215970504U - Composite board, automobile storage plate and vehicle

Info

Publication number: CN215970504U
Application number: CN202121705445.1U
Authority: CN
Inventors: 吴从金; 贺珊珊
Original assignee: Chongqing Changan Automobile Co Ltd
Current assignee: Chongqing Changan Automobile Co Ltd
Priority date: 2021-07-26
Filing date: 2021-07-26
Publication date: 2022-03-08
Anticipated expiration: 2031-07-26

Abstract

The utility model discloses a composite board, which comprises two surface layers and a reinforced core layer made of a PP material, wherein the reinforced core layer is thermally compounded between the two surface layers, and the two surface layers are both glass fiber reinforced PP sheets; the reinforced core layer comprises a plurality of PP circular tube base cores, the PP circular tube base cores are in a matrix array, and the upper end and the lower end of each PP circular tube base core are respectively thermally compounded with the two surface layers; the composite board has low cost, low volatilization of toxic and harmful substances and low surface density. The utility model also discloses an automobile storage plate which adopts the composite board, and the automobile storage plate can reduce the production cost, improve the quality of air in an automobile and meet the light weight design of the automobile. The utility model also discloses a vehicle, which adopts the automobile storage plate.

Description

Composite board, automobile storage plate and vehicle

Technical Field

The utility model relates to an automobile storage plate, in particular to a composite plate, an automobile storage plate and a vehicle.

Background

The automobile storage plate is used as a vehicle standard, and plays a role in shielding a trunk to ensure beauty and tidiness and placing a plurality of portable objects. The traditional automobile storage plate is mostly made of a light GMT plate and a PHC plate, and both the two schemes have advantages and disadvantages. The light GMT sheet material is made of glass fiber thermoplastic composite materials, and the shelf board made by the light GMT sheet material scheme has simple process and low cost, but the thickness is only 3mm, and the user experience of heavy feeling and safe and relieved storage is avoided; the PHC board is a composite material which uses a paper core as a support and uses glass fiber felts as reinforcing materials on the upper and lower surfaces, the shelf board manufactured by the PHC board is complex in process (a rolled paper honeycomb is stretched and shaped by a high-temperature oven and then cut into a sheet paper honeycomb, the glass fiber felts are clamped on the two surfaces, polyurethane foaming glue is sprayed on the two surfaces of a die head, the material is put into a die for high-temperature mould pressing and curing molding, and finally parts are taken out), the cost is high, the thickness is more than 15mm, the heavy feeling and the solid feeling are good, but the PHC board contains polyurethane chemical foaming raw materials, and high aldehyde volatile matters brought by the PHC board seriously affect the air quality in the vehicle and are harmful to the respiratory health of drivers and passengers.

CN212636360U discloses a PHC apron former and PHC apron, PHC apron adopts PHC apron former to make, PHC apron includes honeycomb paper and glass fiber board, the glass fiber board includes two, two the glass fiber board covers respectively and establishes at honeycomb paper two surfaces. The utility model provides a PHC apron simple structure, the sense of heaviness is good with the sense of reality, but this PHC apron contains polyurethane chemical industry foaming raw materials, and the cost is higher to poisonous and harmful volatilizees highly.

Disclosure of Invention

In view of the above, the present invention aims to overcome the defects in the prior art, and provides a composite board with low cost, low volatilization of toxic and harmful substances and low surface density.

The composite board comprises two surface layers and a reinforced core layer made of a PP material, wherein the reinforced core layer is thermally compounded between the two surface layers, and the two surface layers are both glass fiber reinforced PP sheets; the reinforced core layer comprises a plurality of PP circular tube base cores, the PP circular tube base cores are in a matrix array, and the upper ends and the lower ends of the PP circular tube base cores are respectively thermally compounded with the two layers of the surface layers.

Further, the outer walls of the two adjacent PP circular tube base cores are connected with each other.

Further, the glass fiber in the glass fiber reinforced PP sheet is short glass fiber of 30-50 mm.

Further, the thickness of the surface layers of the two layers is 0.5 mm-1.0 mm, and the surface density of the surface layers of the two layers is 500g/m²-800g/m²。

Further, the thickness of the reinforcing core layer is 10mm-20mm, and the surface density of the reinforcing core layer is 900g/m²-1500g/m²The wall thickness of the PP circular tube base cores is 0.2mm-0.5mm, and the inner diameter of the PP circular tube base cores is 5mm-7 mm.

The utility model also provides an automobile storage plate which adopts the composite board.

The utility model also provides a vehicle which adopts the automobile storage plate.

The utility model has the beneficial effects that: the composite board has low cost, low volatilization of toxic and harmful substances and low surface density; the automobile storage plate can reduce the production cost, improve the quality of air in an automobile and meet the requirement of light weight design of the automobile; the utility model also provides a vehicle using the automobile storage plate.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a flow chart of a processing process of the glass fiber reinforced PP sheet material of the utility model.

Description of reference numerals: 1-surface layer and 2-reinforced core layer.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings.

As shown in fig. 1, the composite board in this embodiment includes two surface layers 1 and a reinforced core layer 2 made of PP material, where the reinforced core layer 2 is thermally compounded between the two surface layers 1, and both the surface layers 1 are glass fiber reinforced PP sheets; the reinforced core layer 2 comprises a plurality of PP circular tube base cores, the PP circular tube base cores are in a matrix array, and the upper ends and the lower ends of the PP circular tube base cores are thermally compounded with the two layers of the surface layer 1 respectively. Among them, PP is also called polypropylene.

The surface layer 1 is a glass fiber reinforced PP sheet, and the processing technology of the glass fiber reinforced PP sheet belongs to the prior art, as shown in fig. 2, the processing technology of the glass fiber reinforced PP sheet is briefly described here: cutting and scattering the glass fibers, laying the glass fibers between a bottom PP adhesive film and an upper PP adhesive film, performing hot-pressing compounding on the bottom PP adhesive film, the chopped glass fibers and the upper PP adhesive film, cooling and shaping, and then cutting the plate to finally obtain the glass fiber reinforced PP sheet. An extrusion die is needed when the reinforcing core layer 2 is manufactured, a plurality of holes in a matrix array are formed in the extrusion die, a plurality of PP circular tube base cores are formed after PP materials are extruded, after cooling, the outer walls of two adjacent PP circular tube base cores are bonded together to form a rectangular reinforcing core body, and finally the rectangular reinforcing core body is cut into the reinforcing core layer 2 with the required thickness, so that the reinforcing core layer 2 is manufactured; after the reinforced core layer 2 and the two surface layers 1 are processed, the two surface layers 1 are respectively placed on the upper side and the lower side of the reinforced core layer 2 for thermal compounding.

The strength of the surface layer 1 can be ensured in the glass fiber reinforced PP sheet, the PP circular tube base cores are in a matrix array, the outer walls of two adjacent PP circular tube base cores are connected with each other to form a hollow whole, the strength of the reinforced core layer 2 is ensured, and the composite board has the advantage of low surface density, so that the composite board in the embodiment has high strength and low surface density; in addition, the composite board in this embodiment does not contain chemical raw material polyurethane, and compared with the PHC board, the cost can be reduced, and volatilization of toxic and harmful substances of aldehyde benzenes can also be greatly reduced, and the comparative test results of the composite board in this embodiment and the PHC board and the PP glass fiber honeycomb panel VOC (i.e., volatile organic compounds) are shown in table 1.

TABLE 1 volatile comparison test results for shelving made of the utility model and conventional PHC boards

Material of	Formaldehyde (I)	Acetaldehyde	Acrolein	Benzene and its derivatives	Toluene	Ethylbenzene production	Xylene	Styrene (meth) acrylic acid ester
									Composite board	40	60	N.D.	N.D.	30	32	119	93
PHC board	503	906	N.D.	N.D.	13	35	1270	N.D.

In this embodiment, the glass fiber in the glass fiber reinforced PP sheet is a 30mm-50mm short glass fiber.

In this embodiment, the thickness of the two surface layers 1 is 0.5 mm-1.0 mm, which may be 0.5mm, and the areal density of the two surface layers 1 is 500g/m²-800g/m²May be 700 g/m²。

In this embodiment, the thickness of the reinforcing core layer 2 is 10mm to 20mm, which may be 12mm, and the areal density of the reinforcing core layer 2 is 900g/m²-1500g/m²May be 1100 g/m²The wall thickness of each PP circular tube base core is 0.2mm-0.5mm, and can be 0.3mm, and the inner diameter of each PP circular tube base core is 5mm-7mm, and can be 6 mm.

The embodiment also discloses an automobile storage plate, which adopts the composite board, and the process flow for manufacturing the automobile storage plate is as follows: firstly, confirming that the composite board has no damage and no defect in appearance and normal material size, setting the material drying temperature to be 200-250 ℃ and the material drying time to be 90-110S, starting a baking process, then putting the composite board into a forming die, cleaning the die, setting the die pressing time to be within 90S for high-pressure forming and punching, then taking out the automobile shelf part, and cutting off the edge excess material while closing the die to perform high-pressure punching and forming on the part. The composite board is low in cost, and the volatilization of toxic and harmful substances is low, so that the automobile storage plate in the embodiment can reduce the production cost, improve the quality of air in an automobile, and simultaneously can meet the lightweight design of the automobile.

The embodiment also provides a vehicle which adopts the automobile shelf.

Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.

Claims

1. A composite board comprises two surface layers (1) and a reinforced core layer (2) made of PP materials, wherein the reinforced core layer (2) is thermally compounded between the two surface layers (1), and the composite board is characterized in that: the two surface layers (1) are both glass fiber reinforced PP sheets; the reinforced core layer (2) comprises a plurality of PP circular tube base cores, the PP circular tube base cores are in a matrix array, and the upper ends and the lower ends of the PP circular tube base cores are thermally compounded with the surface layers (1) respectively.

2. The composite panel according to claim 1, wherein: the outer walls of the two adjacent PP circular tube base cores are connected with each other.

3. The composite panel according to claim 1, wherein: the glass fiber in the glass fiber reinforced PP sheet is short glass fiber of 30-50 mm.

4. The composite panel according to claim 1, wherein: the thickness of the two layers of the surface layer (1) is 0.5 mm-1.0 mm, and the surface density of the two layers of the surface layer (1) is 500g/m²-800g/m²。

5. The composite panel according to claim 1, wherein: the thickness of the reinforced core layer (2) is 10mm-20mm, and the reinforced core layer(2) Has an areal density of 900g/m²-1500g/m²The wall thickness of the PP circular tube base cores is 0.2mm-0.5mm, and the inner diameter of the PP circular tube base cores is 5mm-7 mm.

6. An automobile storage plate is characterized in that: a composite board according to any one of claims 1 to 5 is used.

7. A vehicle, characterized in that: the automobile shelf as claimed in claim 6 is used.