Continuous long-fiber reinforced-type composite material 3D printer and printing method thereof

A reinforced composite material and 3D printer technology, applied in the field of continuous long fiber reinforced composite 3D printers, can solve the problem of undiscovered continuous long fiber reinforced composite 3D printers, unsuitable for batch manufacturing of long fiber reinforced parts, rare fiber reinforced composite materials Parts and other issues, to achieve the effect of reducing process complexity, rapid manufacturing, and high production efficiency

Active Publication Date: 2014-11-19
XI AN JIAOTONG UNIV
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  • Abstract
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Problems solved by technology

[0003] However, at present, the relatively advanced manufacturing methods of resin-based long fiber reinforced composite material parts mostly adopt composite fiber laying technology, that is, according to the laying direction and laying thickness requirements determined by the part structure, multi-degree-of-freedom laying is adopted. The head automatically lays multiple groups of fiber prepreg bundles or narrow strips on the surface of the mold. This method requires pre-processed fiber prepregs and extremely

Method used

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  • Continuous long-fiber reinforced-type composite material 3D printer and printing method thereof
  • Continuous long-fiber reinforced-type composite material 3D printer and printing method thereof

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Embodiment Construction

[0019] The present invention will be further described in detail below in conjunction with the accompanying drawings.

[0020] refer to figure 1 , a continuous long fiber reinforced composite material 3D printer, comprising a 3D printing head 5, the 3D printing head 5 is installed on a two-dimensional motion platform 11, a workbench 12 is provided below the 3D printing head 5, the workbench 12 and a lifting device 21 connection, the workbench 12 places reinforcement fiber 1 and plastic wire 8 tray 2 on the left and right, reinforcement fiber 1 is fed into the 3D printing head 5 through the tensioning device 3 and fiber guide tube 4, and the plastic wire 8 is guided by the plastic wire The tube 9 is also sent into the 3D printing head 5;

[0021] refer to figure 2 , the 3D printing head 5 includes a printing head screw 6, the outside of the printing head screw 6 is connected to the printing head screw shell 10, the root of the printing head screw 6 is connected to the large ...

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Abstract

The invention provides a continuous long-fiber reinforced-type composite material 3D printer and a printing method thereof. The 3D printer and the printing method are characterized in that the combination of the 3D printing technology and the composite material fiber placement technology achieves the 3D printing of a resin-based continuous long-fiber reinforced-type composite material, and the process does not need a die that is customized in advance and a pre-treated fiber pre-soaking belt, so that the cost is greatly decreased; meanwhile, the 3D printing method enables well and convenient control of the directions of the reinforced fibers in a manufactured part, and moreover, a composite material part with the customized mechanical property can be obtained easily, and the composite material part with a complex structure can be quickly manufactured; and compared with the original composite material fiber placement process, the printing method has the advantages that the application scope is wide, and the production efficiency is high.

Description

technical field [0001] The invention relates to the technical field of 3D printing of fiber-reinforced composite materials, in particular to a 3D printer for continuous long fiber-reinforced composite materials and a printing method thereof. Background technique [0002] Resin-based fiber-reinforced composite materials, including continuous long-fiber and short-fiber-reinforced composite materials, the manufactured parts have high specific strength, large specific modulus, material properties can be designed, corrosion resistance and durability are good, and the thermal expansion coefficient and The similarity of concrete and other advantages make resin-based fiber-reinforced composite materials meet the needs of modern structures that are large-span, towering, heavy-loaded, light-weight and high-strength, and work under harsh conditions. Fields such as robotics and medical care are increasingly used. 3D printing technology refers to the fact that the print head performs ma...

Claims

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Application Information

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IPC IPC(8): B29C67/00
Inventor 田小永杨春成曹毅同治强张莹莹李涤尘
Owner XI AN JIAOTONG UNIV
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