Carbon fiber tube forming device and method for processing carbon fiber tube

Abstract

The invention discloses a carbon fiber tube forming device. The device comprises a core mold, and further comprises a support base and a pressing coating device; the mold core is rotationally connected with the support base, and is used for winding carbon fiber cloth; the pressing coating device is used for applying paint on the carbon fiber cloth and pressing the carbon fiber cloth; the pressing coating device includes a flat plate, a pressing plate, a scraper, a bracket, a guide screw rod, a pressing nut and a compression spring; one end of the pressing plate is hinged with a bracket, and the scraper is arranged at the other end of the pressing plate; the flat plate is positioned below the scraper; the compression spring is arranged between the pressing plate and the flat plate; a kidney-shaped guide through hole is formed in the pressing plate; the guide screw rod penetrates through the kidney-shaped guide through hole from top to bottom; and the pressing nut is positioned on the pressing plate. The invention further discloses a carbon fiber tube machining method and a carbon fiber tube. The carbon fiber tube forming device has the advantages of convenience to machine, high efficiency, cost saving, high tube forming firmness and stable forming size.

Description

technical field [0001] The invention relates to the technical field of carbon fiber composite materials, in particular to a carbon fiber tube forming device and a method for processing carbon fiber tubes. Background technique [0002] As we all know, CFRP, as a high-performance fiber, has many advantages such as high modulus, high strength, low mass, designable performance, and easy integral forming. It can meet the requirements of high structural efficiency of aerospace structures and is easy to obtain a dimensionally stable structure. Since CFRP has been widely used in military and civil fields, especially aerospace, its excellent properties have made it an indispensable and rare multifunctional special engineering material. At present, CFRP has become the four major structural materials in the field of aviation and aerospace together with aluminum alloy, titanium alloy and alloy steel. [0003] At present, the production and processing of carbon fiber tubes is as describ...

AI Technical Summary

Problems solved by technology

[0005] (1) During processing, it is necessary to use the female mold (upper and lower half molds) and the core mold at the same time, resulting in troublesome positioning of the carbon fiber cloth; one type of pipe corresponds to one female mold, and the processing cost is high

[0006] (2) When the carbon fiber tube is shaped by the clamping action of the upper and lower molds, the uniformity of the clamping force is not easy to control

If the clamping is too tight, on the one hand, the amount of sizing is small, and the bonding fastness between the formed carbon fiber tube middle layer and the layer is small; on the other hand, the profile may be deformed, and the product specifications do not meet the requirements; Insufficient bonding with the layers will also lead to insufficient bonding fastness

[0007] (3) The carbon fiber cloth is wrapped on the mandrel by manual winding, which has the disadvantages of low wrapping efficiency and wrapping uniformity

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