Application of fiber reinforced thermoplastic composite material in molding and preparing automobile parts

A technology for strengthening thermoplastics and auto parts, applied in vehicle parts, motor vehicles, superstructures, etc., can solve the problems of not meeting the technical requirements of lightweight, backward preparation technology, backward technology, etc., and achieve strong design of material structure. , to meet technical requirements, the effect of efficient preparation process

Active Publication Date: 2017-05-10
株洲时代工程塑料科技有限责任公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] (1) The absolute strength of composite materials is not as good as that of metal materials, and the simple replacement of metal materials with composite materials cannot meet the application requirements in terms of mechanical properties;
[0005] (2) During the application of composite materials in the automotive field, the structural design of the parts is not enough, and the advantages of the designability of the composite material structure are not fully utilized, which limits its further application in auto parts;
[0006] (3) Traditional composite materials, due to their backward preparation technology, high cost, and basic physical properties cannot meet the requirements of lightweight auto parts for high performance materials
In the context of the increasing development of automobile lightweight technology, the lightweight of key components is very urgent, but the technology represented by stamping and welding of metal materials has fallen behind and cannot m

Method used

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Examples

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Effect test

Embodiment 1

[0033] An application of the fiber-reinforced thermoplastic composite material of the present invention in forming and preparing an automobile fender assembly, the automobile fender assembly comprising a fender support rod, a support rod base, a fender suspension bracket and a tail light bracket, Fiber reinforced thermoplastic composites include long fiber reinforced thermoplastic composites and continuous fiber reinforced thermoplastic composites.

[0034] The application of this embodiment specifically includes the preparation of the fender support rod, the preparation of the support rod base, the preparation of the fender suspension bracket and the tail light bracket.

[0035] The preparation of the fender support rod mainly adopts continuous fiber reinforced thermoplastic composite material; its preparation specifically includes the following steps: fully impregnating the thermoplastic resin (polypropylene resin is used in this example) with continuous fiber reinforcement (...

Embodiment 2

[0041] An application of the fiber-reinforced thermoplastic composite material of the present invention in molding and preparing automobile pedals (including gas pedals or brake pedals), the fiber-reinforced thermoplastic composite material includes long fiber-reinforced thermoplastic composite materials and continuous fiber-reinforced thermoplastic composite materials.

[0042] The preparation of the automobile pedal in this embodiment specifically includes the following steps: first, the continuous fiber reinforced thermoplastic composite material is used to shape the pedal skeleton structure by heating and pressing, and then the pedal skeleton structure is placed in the mold in advance, and the prepared long fiber reinforced thermoplastic The composite material is heated and plasticized, and then molded into a mold to obtain a car pedal. In the above-mentioned preparation process, the preheating temperature for heating and molding is 240°C-245°C, the hot material is cold pre...

Embodiment 3

[0046] An application of the fiber-reinforced thermoplastic composite material of the present invention in molding and preparing passenger car rearview mirror brackets, the fiber-reinforced thermoplastic composite material includes long fiber-reinforced thermoplastic composite materials and continuous fiber-reinforced thermoplastic composite materials.

[0047] The preparation of the rearview mirror bracket in this embodiment specifically includes the following steps: First, the continuous fiber reinforced thermoplastic composite material is used to shape the skeleton structure by heating molding or winding, and then the corresponding product is obtained by injection molding into the mold. In the above preparation process, the injection temperature is 195°C, 200°C, 200°C, 210°C, 220°C, the injection pressure is 25 / 40 / 60 / 60 bar, and the injection speed is 30% / 40% / 45% / 45% , back pressure 1.5Mpa.

[0048] The mass ratio of main raw materials of the fiber reinforced thermoplastic ...

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PUM

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Abstract

The invention relates to an application of a fiber reinforced thermoplastic composite material in molding and preparing automobile parts. The fiber reinforced thermoplastic composite material comprises a long fiber reinforced thermoplastic composite material and a continuous fiber reinforced thermoplastic composite material. An automobile part particularly prefers an automobile fender assembly; the automobile fender assembly comprises a fender supporting rod, a supporting rod base, a fender suspension frame and a taillight supporter; and the reinforcement body of the continuous fiber reinforced thermoplastic composite material is a three-dimensional fabric structure and/or a one-way tape structure. The application of the fiber reinforced thermoplastic composite material in molding and preparing the automobile parts is advantaged in that the material structure can be easily designed, the process is efficient, simple and convenient, the product performance is excellent and the application is easy to be industrially implemented.

Description

technical field [0001] The invention belongs to the technical field of molding and preparation of auto parts, and in particular relates to the application of a fiber-reinforced composite material in molding and preparing auto parts. Background technique [0002] Automobile lightweight is the current research hotspot in the automobile industry. Automobile lightweight mainly involves the structural design of parts and materials suitable for specific processing and molding. At present, carbon steel and aluminum alloy are the main materials in the field of automobile manufacturing, and the proportion of composite materials does not exceed 30%, which seriously restricts the development and application of composite materials in the field of automobiles. [0003] Despite the rapid development of automotive lightweight technology, the main factors that limit composite materials from playing an important role in the field of automotive lightweight include: [0004] (1) The absolute...

Claims

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Application Information

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IPC IPC(8): B62D25/18B62D63/04
Inventor 张伟黄安民陈如意李旭武张瑜张适龄王雄刚
Owner 株洲时代工程塑料科技有限责任公司
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