Forming mold and forming method for fiber cloth curved surface prefabricated member

Abstract

The invention relates to a forming mold and a forming method for a fiber cloth curved surface prefabricated member. The forming mold comprises an inner mold and an outer mold, wherein a plurality of one-to-one correspondence ventilation holes are formed in the inner mold and the outer mold; the outer wall surface of the inner mold is identical with the inner wall surface of a component to be formed, and the inner wall surface of the outer mold is identical with the outer wall surface of the component to be formed. During forming, fiber cloth trimming is carried out according to the outer wallsurface of the forming part of the inner mold, then fiber cloth is soaked with a glue solution, each layer of fiber cloth is paved on the surface of the mold layer by layer to guarantee that the fibercloth is tightly laminated with a mold, trimming lines of every two adjacent layers of fiber cloth are staggered as much as possible, the fiber cloth is vertically sewn through the ventilation holesof the mold by using a fiber rope after pavement is completed, another mold is closed after sewing is completed, the alignment of the molds is guaranteed, unnecessary fiber cloth at the positions of deckle edge is trimmed, and then aftertreatment densification is carried out to obtain the fiber cloth curved surface prefabricated member. The prefabricated member formed by using the method is not restricted by complicated outer shape, fiber cloth is saved, and the method is simple and convenient in operation.

Description

technical field [0001] The invention relates to a forming mold and a forming method of a fiber cloth prefabricated part. Background technique [0002] Composite materials have the mechanical, thermal, tribological, electrical and other properties of various materials, and have a wide range of application potential in the aerospace field. With the development of aerospace technology, more and more shapes and types of prefabricated parts need to be prepared from composite materials. Various large-scale and complex structures of prefabricated parts, process preparation and assembly have attracted much attention. [0003] Regarding the molding method of the prefabricated part, the publication number CN104723571A is about a sewing method and a shaping mold of a fiber cloth box-shaped prefabricated part. The sewing method includes the following steps: firstly, cutting the fiber cloth according to the design size and lamination angle of the box-shaped prefabricated part and layin...

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Problems solved by technology

[0004] In order to overcome the deficiencies of the existing technology and solve the problem of forming curved surface prefabri

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