Continuous forming device for hollow composite board-wood plastic composite material and application thereof

Abstract

The invention discloses a continuous forming device for a hollow composite board-wood plastic composite material and an application thereof. The continuous forming device includes a hollow composite board production device, a wood plastic composite material production device, a composite mold, a vacuum setting device, a first traction device and a cutting device; the hollow composite board production device comprises a machine frame table and a lower film unwinding device, a first spraying device, a first felting device, a hollow fabric unwinding device, a second spraying device, a second felting device, an upper film unwinding device, a setting device, a curing chamber and a second traction device which are arranged along the machine frame table in order; the wood plastic composite material production device includes a double-screw extruder, a transition section, a melt pump and a forming part which are connected in sequence, wherein the length of the transition section is 8-12 cm; the second traction device of the hollow composite plate production device and the forming part of the wood plastic composite material production device are converged at an inlet of the composite die, and an outlet of the composite die is successively connected with the vacuum setting device, the first traction device and the cutting device.

Description

technical field [0001] The invention belongs to the field of composite materials, and in particular relates to a continuous molding device for hollow composite board wood-plastic composite materials and an application thereof. Background technique [0002] The three-dimensional hollow composite panel has light weight and high strength, high specific strength and specific modulus; three-dimensional woven integral molding, anti-delamination and peeling; strong structural design; hollow structure can be filled, pre-embedded and foamed; easy to compound and film Profile, high composite efficiency; thermal insulation, sound insulation, flame retardant and wave-transparent and other characteristics. In recent years, the global forest resources have become increasingly depleted, and people have put forward higher requirements for the application of wood. In order to save resources, a wood-plastic composite material has emerged as the times require. It has the dual characteristics o...

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Problems solved by technology

[0004] The invention provides a continuous molding device for hollow composite board wood-plastic composite materials and its application, which overcomes the defects in the prior art that the structure of the hollow composite board is easily damaged, the dipping is uneven and easy to agglomerate, and overcomes the defects of the prior art. The relatively heavy defect of wood-plastic, also overcomes the defects of composite material products and supporting molding equipment in the prior art without hollow composite board and wood-plastic combination

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