Device and method for preparing fiber reinforced silica sol composite shell through airflow laying
A technology of fiber reinforcement and silica sol, which is applied in the direction of molds, cores, and mold components, etc., can solve problems such as uneven fiber mixing, uneven fiber distribution, and reduced strength, so as to improve filling ability and simple operation OK, improve the effect of air permeability
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Embodiment 1
[0050] The device for preparing fiber-reinforced silica sol composite shells by airflow laying in this embodiment includes a fiber laying chamber 2, a fiber storage chamber 13, an air supply unit and a support 8; the fiber laying chamber 2 is composed of four side vertical plates It is in the shape of a hollow cube formed with an upper bottom surface exhaust hole plate 1, and the upper bottom surface exhaust hole plate 1 is provided with an exhaust hole 14, and the fiber laying chamber 2 is equipped with a container for carrying the molded shell sample 3. Rotating shaft 3; the fiber storage chamber 13 is a hollow inverted quadrangular truss shape made up of four side panels and a lower bottom surface air intake hole plate 16, and a fiber storage rack 6 is installed in the fiber storage chamber 13. The fiber storage rack 6 is provided with an airflow guide hole 7; the fiber laying room 2 is located directly above the fiber storage room 13, and the side length of the side vertica...
Embodiment 2
[0056]The method for preparing fiber-reinforced silica sol composite shells by using the device for preparing fiber-reinforced silica sol composite shells by airflow laying in Example 1, the device for preparing fiber-reinforced silica sol composite shells by airflow laying includes fiber laying chamber 2, fiber Storage chamber 13, air supply unit and support 8; the fiber laying chamber 2 is a hollow cube shape composed of four side vertical plates and an upper bottom exhaust hole plate 1, and the upper bottom surface exhaust hole plate 1 There is an exhaust hole 14 on the top, and the rotating shaft 3 for carrying the shell sample 3 is installed in the fiber laying room 2; the fiber storage room 13 is composed of four side panels and a lower bottom air intake orifice plate 16 is a hollow inverted square prism shape, the fiber storage room 13 is equipped with a fiber storage rack 6, and the fiber storage rack 6 is provided with an air flow guide hole 7; the fiber laying room 2 ...
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