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

A variable curvature and discretization technology, applied in the field of three-dimensional braiding machines, can solve the problems of complex shape of the core mold

Active Publication Date: 2021-09-10
NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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  • Abstract
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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

Method used

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

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Embodiment Construction

[0019] The technical solution of the present invention will be further explained below in conjunction with the accompanying drawings.

[0020] Such as figure 1 It is a structural schematic diagram of the discretization mandrel system of the three-dimensional braiding machine based on the variable-curvature special-shaped rotary body of the present invention. The assembly unit 2 is connected to the mandrel lifting unit 5, and the PLC6 is respectively connected to the mandrel assembly unit 2 and the mandrel lifting unit 5; as image 3 It is a schematic diagram of the structure of the core mold assembly unit. The core mold assembly unit 2 includes: a discrete core mold layer unit 1, a core mold interlayer locking mechanism 3 and a core mold layer unit lifting mechanism 4. The discretized core mold layer unit 1 consists of The variable curvature mandrel layer is composed of slices. The discretized mandrel layer unit 1 in the present invention is a three-dimensional discretized mo...

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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...

Claims

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Application Information

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IPC IPC(8): B29C70/32B29C70/54
CPCB29C70/32B29C70/54
Inventor 单忠德汪俊王尧尧杨浩秦林初明
Owner NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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