Heating device for preparing fiber-reinforced polymer-based composite material

Abstract

The invention relates to a heating device for preparing a fiber-reinforced polymer-based composite material. The heating device comprises a heating press plate assembly formed by an upper heating press plate and a lower heating press plate, and a transmission belt penetrating through the space between the upper heating press plate and the lower heating press plate, wherein a shaping press roller assembly is arranged on the outer side of the transmission end part of the transmission belt; an upper heating press roller and a lower heating press roller are arranged between the heating press plate assembly and the shaping press roller assembly; the transmission belt penetrates through the space between the upper heating press plate and the lower heating press plate; a heating oil tank is further arranged on the heating device; a plurality of electric heating pipes are mounted inside the upper heating press plate and the lower heating press plate. According to the invention, the resistance heating and the oil temperature heating are integrated; the oil channel variation and the electric heating pipes are controlled, so that the heating temperature can be controlled in a combined manner; heat can be transmitted to a heating material in a contact-type heating manner, the heating manner is flexible and high in efficiency, and the material can be uniformly heated; the upper and lower heating press plates can be used for heating the material while pre-pressing the material, so that the base felt impregnating effect is improved.

Description

technical field [0001] The invention relates to the technical field of heating and compounding for preparing fiber-reinforced polymer-based composite materials, in particular to a heating device for preparing fiber-reinforced polymer-based composite materials. Background technique [0002] Glass fiber reinforced thermoplastic composites are usually made of high molecular polymer as the matrix and glass fiber as the reinforcing phase, and the two are compounded by melt impregnation. Glass fiber reinforced thermoplastic composites are favored by people for their light weight, flexible design, green environmental protection, excellent chemical corrosion resistance and easy design into an overall structure. In recent years, glass fiber reinforced thermoplastic composites have been widely used in various industries, especially in the automotive industry, such as non-structural parts such as automotive interior parts and semi-structural parts such as automotive underbody panels. ...

AI Technical Summary

Problems solved by technology

[0003] The molding process of fiber-reinforced thermoplastic composite materials must be heated. The heating methods of existing equipment are mostly single electromagnetic heating, resistance heating, infrared heating or oil temperature heating. The heating method is fixed, the heating mode is single, and the equipment is not versatile. Most of the heating modules are independent of each other, controlled separately, and the uniformity of heating temperature is difficult to control, and most of the existing equipment is suitable for mature process production and continuous mass production, not suitable for trial production of new products, verification and debugging of new processes, not suitable for Conducive to the research and development of composite materials

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