Auxiliary device for vacuum forming based on connection of composite material and metal framework

Abstract

The invention provides an auxiliary device for vacuum forming based on connection of a composite material and a metal framework. The auxiliary device comprises the metal framework with dovetail grooves, the longitudinal and transverse concave dovetail grooves are formed in the connecting surface of the metal framework, dovetail groove connecting joints which are staggered and communicate are arranged between the dovetail grooves, a cavity is formed in the longitudinal and transverse metal framework, a supporting auxiliary device matched with the metal framework is arranged in the cavity, and the cambered surface of the supporting auxiliary device is matched with the cambered surface of the metal framework. A composite material shell plate and a connecting tenon are integrally formed in a vacuum mode, so that glue solutions of cloth layers inside the fiber composite material shell plate and the connecting tenon are evenly and tightly distributed, the glue content proportion is small, the reinforced fiber proportion is large, the strength is high, connection is reliable, the underwater compression resistance depth of the fiber composite material plate is greatly increased, the quality is stable, and the application range of the fiber composite material shell plate and metal framework combined structure is greatly expanded.

Description

technical field [0001] The invention relates to a fiber composite material shell plate and its connection with a metal frame, in particular to a composite material shell plate and an auxiliary device connected with the metal frame. Background technique [0002] Fiber composite materials have excellent characteristics such as high strength, light weight, good insulation, corrosion resistance, wave penetration, vibration reduction, and easy molding, and are widely used in product shells; metal materials have good strength and high rigidity, which can effectively control structural deformation. It is generally used in product structures; the excellent characteristics of the structure composed of fiber composite materials and metal frames are more and more widely used. The connection between the fiber composite material shell and the metal frame is generally fastened together by metal screws or fiber piles at a certain distance, which is a point connection, and the fiber composi...

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Problems solved by technology

[0006] Although this paper discloses that the composite material and the groove of the tiled board are assisted by one-time vacuum forming or step-by-step auxiliary vacuum forming of the tough colloid, but for the composite material embedded board filled in the groove, because the metal frame has a certain large arc, its When the composite material also has a certain large arc with the metal frame (such as the shroud), it cannot use the vacuum-assisted forming process

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