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Forming mould for composite material part of box type closed-angle structure

A composite material and forming mold technology, applied in the field of aviation manufacturing, can solve problems such as demoulding, and achieve the effect of quality assurance of parts and good operability

Active Publication Date: 2016-01-27
AVIC BASIC TECH RES INST
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At the same time, the demoulding problem of box-type closed-angle structure composite parts is solved

Method used

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  • Forming mould for composite material part of box type closed-angle structure
  • Forming mould for composite material part of box type closed-angle structure
  • Forming mould for composite material part of box type closed-angle structure

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Embodiment Construction

[0021] The present invention will be described in detail below in conjunction with the accompanying drawings. The mold includes a main body mold 1, a left split body mold 2, and a right split body mold 3, wherein the left split body mold 2 passes through the upper stop bar 9, the left stop bar 10, the left lower stop bar 12 and the main body mold at the lower separation surface 14 and the inside The separation surface 15 is combined with the main mold 1; the right split mold 3 is combined with the main mold 1 at the lower separation surface 14 and the inner separation surface 15 through the upper limit rod 9, the right limit rod 11, and the right lower limit rod 13 ; The left split body 2 is combined with the right split body 3 on the left and right split surfaces 16 . The combined overall mold outer surface includes left side 4, right side 5, middle side 6, and web surface 7, which jointly form a shape consistent with the inner shape of the box-shaped closed-angle structure c...

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Abstract

The invention belongs to the technical field of aeronautical manufacturing and particularly relates to a forming mould for a composite material part of a box type closed-angle structure. In the present, composite material forming moulds include metal moulds, composite material moulds, rubber moulds, foam moulds, plaster moulds and soluble polymer moulds. Traditional composite material parts of irregular-shaped structures can be manufactured and formed by rubber shrinkage moulds, foam and plaster, and then the moulds are broken to obtain the parts. However, the moulds can only be used for once or several time and is not suitable for batch production, and the surface accuracy and the quality of the composite material parts manufactured by the moulds are not as good as the surface accuracy and the quality of the composite material parts manufactured by metal moulds totally. The forming mould for the composite material part of the box type closed-angle structure is reasonable in design and simple to manufacture and also solves the problem of demoulding of the composite material part of the box type closed-angle structure.

Description

technical field [0001] The invention belongs to the technical field of aviation manufacturing, and in particular relates to a mold for forming composite material parts with a box-shaped closed-angle structure. Background technique [0002] Composite materials have become one of the most important contemporary aeronautical structural materials due to their unique advantages of high specific strength, high specific stiffness, strong designability, good fatigue fracture resistance, corrosion resistance, good dimensional stability, and easy large-area overall forming. one. The position and amount of composite materials used in aircraft have become one of the main indicators to measure the advancement of aircraft structure. At present, foreign new fighter jets and civil aircraft use composite materials in large quantities. The F-22 uses more than 24% of composite materials. The B787 "Dream" civil aircraft developed by Boeing uses 50% of composite materials. The A350 aircraft us...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B29C33/30B29C33/44B29C70/54
Inventor 程文礼邱启艳袁超陈静蒋金龙
Owner AVIC BASIC TECH RES INST
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