Vehicle composite material wet molding die

Abstract

The invention discloses a vehicle composite material wet molding die. The vehicle composite material wet molding die matches with a press to solidify a fiber layer coated with liquid resin outside. The die comprises an upper die body, a lower die body, a vacuum pumping mechanism, a pressure sensor, a temperature sensor and multiple ejection sealing mechanisms. The upper die body is fixed on the upper table of the press; the lower die body is fixed on the lower table of the press; when the press drives the upper die body to move downward to be combined with the lower die body, a die cavity is formed between the upper die body and the lower die body; the fiber layer coated with liquid resin is arranged in the die cavity; the vacuum pumping mechanism is arranged on the upper die body; the vacuum pumping mechanism is used for vacuum pumping operation of the die cavity; and the pressure sensor is arranged on the surface of the lower die body and is used to monitor the pressure change in thedie cavity in real time. Thus, the vehicle composite material wet molding die has a simple and reasonable structure, and can meet the large-scale, batch and low-cost production demand of the automobile industry.

Description

technical field [0001] The invention relates to the field of mold manufacturing, in particular to a mold for wet molding of automobile composite materials. Background technique [0002] With the development of the automobile industry, cars have become a must-have for ordinary consumers. As people's living standards are getting higher and higher, the requirements for car quality are getting higher and higher. In order to meet the new needs of consumers, car manufacturers It is also constantly innovating, especially to reduce the weight of the body structure and improve the quality of the car. Developed countries in the world use carbon fiber instead of metal materials to achieve lightweight cars. [0003] Carbon fiber material has high specific strength and specific stiffness characteristics. It can reduce the weight of the steel structure body by 60%, and replace the aluminum alloy structure by more than 30%. The use of carbon fiber on fuel vehicles can effectively reduce th...

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Problems solved by technology

[0004] At present, the traditional molding mold cannot adapt to the production of the wet molding process, so it is necessary to develop a mold suitable for the wet molding process. The structure of the traditional molding mold can only form products with prepreg as raw materials, and the molding cycle is long, generally greater than 1 hour. , unable to meet the mass production needs of the automotive industry

[0005] In the wet molding process, the mold is the key to the entire production process. At present, there is no mature wet molding mold in China. Therefore, it is necessary to develop a mold suitable for the wet molding process to meet the requirements of automatic production.

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