CN210148769U - Carbon-fibre composite is mould for shaping - Google Patents

Abstract

The utility model relates to a mould is used in carbon-fibre composite shaping, include the chassis and be fixed in the steel sheet at chassis top, be fixed with the mould body that forms by the shaping of wooden material on the steel sheet, the surface of mould body is equipped with first combined material layer, the steel sheet upper surface is equipped with the second combined material layer with first combined material layer an organic whole connection. The mold is light in weight, short in manufacturing period and low in manufacturing cost.

Description

Carbon-fibre composite is mould for shaping

Technical Field

The utility model belongs to the technical field of the mould, a carbon-fibre composite becomes mould is related to.

Background

At present, the application of carbon fiber composite materials in civil use is still in an initial stage, the research and development of a carbon fiber product needs to be continuously verified, improved and optimized, in the process of improvement and optimization, a new mold needs to be continuously manufactured, and the mold before optimization is scrapped, so that high research and development cost is caused. The traditional carbon fiber composite material forming dies mainly comprise two types, wherein one type is that a numerical control machining center is adopted to process a primary die which is reinforced by a metal framework, an epoxy resin matrix composite material die is manufactured on the primary die, and the metal framework is used for shaping and reinforcing the die; one is to directly process an aluminum or steel die by adopting a numerical control machining center.

The epoxy resin-based composite material mold has the following defects: the manufacturing cost is high, the production cycle is long, and the mould is easy to deform because heating and curing treatment is needed in the manufacturing process.

The aluminum or steel molds have the following disadvantages: the manufacturing cost is high, the production cycle is long, the weight of the die is high, and the die is not easy to transport and hoist.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a light-weight carbon-fibre composite becomes to use mould to the not enough of prior art.

In order to solve the technical problem, the utility model discloses a technical scheme does:

the utility model provides a mould is used in carbon-fibre composite shaping, includes the chassis and is fixed in the steel sheet at chassis top, be fixed with the mould body that forms by the shaping of wooden material on the steel sheet, the surface of mould body is equipped with first combined material layer, the steel sheet upper surface is equipped with the second combined material layer with first combined material layer an organic whole connection.

Further, an adhesive layer is arranged between the die body and the steel plate.

In order to further improve the flatness, a first paint layer is arranged on the surface of the first composite material layer, a second paint layer is arranged on the surface of the second composite material layer, and the first paint layer and the second paint layer are integrally connected.

Further, the thickness of the first paint layer is 0.25-0.75mm, preferably 0.5 mm.

Further, the mould body is made of wood, and high-density wood such as pine can be selected.

Further, the thickness of the first composite material layer is 1-3mm, preferably 2 mm.

Further, the chassis is made of steel.

The utility model discloses an among the mould for the carbon-fibre composite shaping, the surface of mould body is equipped with first combined material layer, and the steel sheet upper surface is equipped with the second combined material layer with first combined material layer an organic whole connection, and two combined material layers link into a whole, the gas tightness of mould when being favorable to guaranteeing the shaping.

The utility model discloses a mould for carbon-fibre composite shaping is mainly made by lower steel of cost, wooden material and combined material, compares with traditional mould, and the quality is lighter, and the preparation is more simple and convenient, has characteristics with low costs, the cycle is short, mould low in weight, still possesses temperature resistant, the withstand voltage requirement that is applicable to in the carbon-fibre composite preparation technology simultaneously. The carbon fiber composite material forming die can resist the high temperature of 150 ℃ and the pressure requirement of a sealing system under vacuumizing.

Compared with the prior art, the utility model has the advantages of as follows:

(1) the weight is light, and is reduced by 10% compared with an epoxy resin matrix composite material mould and is reduced by more than 30% compared with an aluminum or steel mould.

(2) The manufacturing cycle is short, the die body can be directly formed by numerical control machining and forming of wood, the speed is high, the manufacturing cycle is shortened by 20% compared with that of an epoxy resin matrix composite die, and the manufacturing cycle is shortened by more than 50% compared with that of an aluminum or steel die.

(3) The manufacturing cost is low, is reduced by 50 percent compared with the manufacturing cost of an epoxy resin matrix composite material die, and is reduced by more than 100 percent compared with the manufacturing cost of an aluminum or steel die.

Drawings

Fig. 1 is a sectional view of a carbon fiber composite molding die according to a first embodiment of the present invention.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments. It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict. For convenience of description, the words "upper", "lower", "left" and "right" in the following description are used only to indicate the correspondence between the upper, lower, left and right directions of the drawings themselves, and do not limit the structure.

As shown in fig. 1, the mold for molding the carbon fiber composite material comprises a bottom frame 1 and a steel plate 2 fixed on the top of the bottom frame, wherein a mold body 6 formed by molding a wood material is fixed on the steel plate, a first composite material layer 4 is arranged on the surface of the mold body 6, and a second composite material layer 7 integrally connected with the first composite material layer is arranged on the upper surface of the steel plate.

Optionally, the composite material is a fiberglass fabric/epoxy resin based composite material.

An adhesive layer 3 is provided between the die body and the steel plate, and the adhesive is a high-temperature resistant adhesive, optionally, a polyurethane adhesive.

The surface of first combined material layer is equipped with first paint layer 5, the surface of second combined material layer is equipped with second paint layer 8, first paint layer and second paint layer body coupling.

The thickness of the first paint layer 5 is 0.5 mm.

The mould body is formed by processing wood.

The thickness of the first composite layer 4 is 2 mm.

The underframe is made of steel.

The utility model discloses a carbon-fibre composite is concrete preparation process as follows of mould for shaping:

(1) chassis fabrication

Firstly, welding the underframe by using a steel material according to the overall dimension of the product, wherein the dimension of the underframe is 1000mm larger than that of the product, and then welding a steel plate with the same dimension as the underframe on the upper part of the underframe.

(2) Fabrication of process layer

And (3) blanking the wood material according to the size of the product after the appearance of the product is enlarged by 200mm, and adhering the wood material to a steel plate of the underframe by using a high-temperature-resistant adhesive after the blanking is finished.

(3) Numerical control machining

And performing numerical control processing on the fixed wood material by using a numerical control processing center according to the three-dimensional data of the product to obtain the die body.

(4) Sealing treatment

And manufacturing a first composite material layer on the die body exposed in the air after the machining is finished, and manufacturing a second composite material layer on the upper surface of the steel plate exposed in the air.

(5) Spray coating treatment

And performing paint spraying treatment on the manufactured composite material layer to respectively obtain a first paint layer and a second paint layer.

The applicant has tried the mould for carbon-fibre composite shaping in the preparation of multiple large-scale carbon fiber product, discovery on probation, the utility model discloses a mould can satisfy the fashioned requirement of carbon-fibre composite, and the no abnormal situation takes place. In practical application, the manufacturing period is effectively shortened, and the early-stage investment cost and the loss caused by scrapping of the changed die are reduced.

The above-mentioned embodiments are illustrative and should not be construed as limiting the scope of the invention, which is defined by the appended claims, and all modifications of the equivalent forms of the present invention which are obvious to those skilled in the art after reading the present invention.

Claims (7)

1. The utility model provides a mould is used in carbon-fibre composite shaping, includes chassis (1) and steel sheet (2) that are fixed in the chassis top, its characterized in that, be fixed with mould body (6) that form by the wooden material shaping on the steel sheet, the surface of mould body (6) is equipped with first combined material layer (4), the steel sheet upper surface is equipped with second combined material layer (7) with first combined material layer an organic whole connection.

2. The mold for molding a carbon fiber composite material as defined in claim 1, wherein an adhesive layer (3) is provided between the mold body and the steel plate.

3. The mold for molding carbon fiber composite material according to claim 1, wherein a first paint layer (5) is provided on a surface of the first composite material layer, a second paint layer (8) is provided on a surface of the second composite material layer, and the first paint layer and the second paint layer are integrally joined.

4. The carbon fiber composite molding die according to claim 3, wherein the thickness of the first paint layer (5) is 0.27 to 0.75 mm.

5. The carbon fiber composite molding die according to any one of claims 1 to 4, wherein the die body is processed from wood.

6. A carbon fibre composite moulding mould according to any of claims 1 to 4, characterised in that the thickness of the first composite layer (4) is 1-3 mm.

7. The carbon fiber composite molding die according to any one of claims 1 to 4, wherein the base frame is made of a steel material.

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