Forming mold and method for fiber reinforced X-shaped core material sandwich panel

Abstract

The invention belongs to the related technical field of sandwich panels, and discloses a forming mold and a method for a fiber reinforced X-shaped core material sandwich panel. The forming mole comprises a plurality of monomers, a plurality of prismatic modules, two horizontal double-end bolts and two clamping blocks, wherein the plurality of prismatic modules are arranged at intervals along a first direction, the two clamping blocks are respectively located at the left and right sides of the plurality of prismatic modules, the two horizontal double-end bolts are respectively located at the front and rear sides of the plurality of prismatic modules, and the two ends of the horizontal double-end bolts are respectively and detachably connected with the two clamping blocks; thus, the plurality of prismatic modules, the horizontal double-end bolts and the clamping blocks form a plate-shaped structure; the monomers are X-shaped, a first gap is formed between two adjacent prismatic modules,the first gap is also formed between the prismatic modules and the clamping blocks, the first gap is used to accommodate the monomers, and the shape of the first gap corresponds to the shape of the monomers. According to the invention, the time cost is saved, and the quality is improved.

Description

technical field [0001] The invention belongs to the related technical field of sandwich panels, and more specifically relates to a molding die and method for a fiber-reinforced X-shaped core material sandwich panel. Background technique [0002] As a new type of structural material, composite materials have a series of advantages such as high strength, high rigidity, light weight, fatigue resistance, vibration reduction, high temperature resistance and designability, and are widely used in aerospace, shipbuilding, transportation, construction machinery and other fields. Applications. Due to its excellent specific strength and specific stiffness, the X-type structure of carbon fiber composite materials was once considered to be a sandwich structure with good development prospects. With the maturity of this type of composite core material and preparation technology, the X-type sandwich structure Aerospace, ships, automobiles and other fields will show wider application prospe...

AI Technical Summary

Problems solved by technology

[0003] Then, the X-shaped sandwich structure is a new type of sandwich structure designed to meet the requirements of structural lightweight and functionalization, while the current composite sandwich panels or sandwich beams are mostly prepared by secondary molding technology. However, in the process of secondary molding preparation, the structure will be subjected to two high-temperature curings, which will generate high thermal residual stress inside the structure, and multiple high-temperature heating will cause the transitional loss of the matrix, making the interfiber of the composite material At the same time, secondary molding also needs to paste the cornea between the panel and the core, and it can be cured and connected after high temperature heating, which will greatly prolong the time for preparing the X-shaped sandwich structure, to a certain extent Limit the development of X-type sandwich structure and wider application in the future

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