Three-dimensional braiding machine discretization core mold system based on variable-curvature special-shaped revolving body

Abstract

The invention discloses a three-dimensional braiding machine discretization core mold system based on a variable-curvature special-shaped revolving body, which comprises a core mold assembly unit, a core mold lifting unit and a PLC, wherein the core mold assembly unit is connected with the core mold lifting unit, and the PLC is connected with the core mold assembly unit and the core mold lifting unit; the core mold assembly unit comprises a discretization core mold layer unit, a core mold interlayer locking mechanism and a core mold layer unit ascending mechanism, wherein the discretization core mold layer unit is composed of variable-curvature core mold layer slices, and the discretization core mold layer unit is arranged on the core mold layer unit ascending mechanism; and the core mold layer unit ascending mechanism and the core mold interlayer locking mechanism are fixedly connected with the core mold ascending unit. According to the three-dimensional braiding machine discretization core mold system based on the variable-curvature special-shaped revolving body, interference between the core mold and a yarn is avoided, and three-dimensional braiding of a variable-curvature special-shaped revolving body with cloth fell height being constant is guaranteed.

Description

technical field [0001] The invention relates to the technical field of three-dimensional knitting machines, in particular to a three-dimensional knitting machine discretization core mold system based on a variable-curvature special-shaped rotating body. Background technique [0002] The three-dimensional weaving technology is developed based on the two-dimensional weaving technology and can be used to manufacture three-dimensional fabrics. The fabric has the characteristics of multi-directional fiber orientation and overall continuous distribution, and has a series of excellent mechanical and thermal properties. At present, three-dimensional braided composite materials have been widely used in aviation, aerospace, automobiles, communication and other fields, such as: aircraft propeller blades, rocket throat linings, wind turbine blades, carbon fiber frames and automotive parts. [0003] The three-dimensional weaving technology has the ability of profiling processing. The pro...

AI Technical Summary

Problems solved by technology

For large-scale variable-curvature special-shaped gyratory, the shape of the mandrel will be more complicated, such as a cone with a small top and a large bottom. When the yarn is woven on the upper mandrel, it may interfere with the lower mandrel. collide with

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