Production method and production device for thermoplastic composite core material

Abstract

The invention discloses a production method and a production device for a thermoplastic composite core material. The production method comprises the steps of thermally compounding and forming a flat sheet with a structure layer and a function layer in a mold, and continuously outputting along an assembly line output direction; dividing the flat sheet along the assembly line output direction so asto form multiple core material unit sheets with equal widths along a broadside output direction; and independently processing the multiple core material unit sheets into multiple corresponding core material unit sheets, drawing the core material unit sheets along the broadside output direction, and splicing to form a unit splicing body. The production device comprises a thermal compounding extrusion mold, a geometry forming assembly, a cutting assembly, a guiding and positioning assembly, a hot melting and connecting assembly, and the like. The production method and the production device for the thermoplastic composite core material provided by the invention can be used for continuously producing the double-layer structure thermoplastic composite core material with high structural strengthand diversified functions in a low-cost way.

Description

technical field [0001] The invention relates to the technical field of material forming, in particular to a production method and production equipment of a thermoplastic composite core material. Background technique [0002] Honeycomb core panels not only have the advantages of low density and high strength, but also have many excellent properties such as shock absorption, sound insulation, and heat insulation, so they are widely used in ships, transportation, aerospace and other fields. Among them, thermoplastic honeycomb core materials have the advantages of extremely high specific strength, recyclable waste materials, and good thermoforming performance. Compared with traditional metal materials and non-renewable thermosetting materials, they are more competitive. [0003] Thermoplastic honeycomb core materials on the market are mainly produced by blow molding or blister technology, which is limited by processing pressure and plastic properties of thermoplastic materials. ...

AI Technical Summary

Problems solved by technology

Existing honeycomb core materials usually create new functions by adding functional fillers dispersedly into the matrix material of the honeycomb wall, but the functional materials are limited by the proportion that can be added and the distribution characteristics of the dispersion. Functional effects are also greatly limited, resulting in bottlenecks in the diversification of functional requirements for existing thermoplastic core materials

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