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Multifunctional additive manufacturing device and method for hollow filling composite wires

A composite material, hollow filling technology, applied in manufacturing tools, additive manufacturing, additive processing, etc., can solve problems such as imperfection, reduce voids, facilitate real-time preparation, and improve uniformity problems.

Active Publication Date: 2021-06-18
XI AN JIAOTONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the current regional additive manufacturing of composite materials is still not perfect, and there are many problems

Method used

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  • Multifunctional additive manufacturing device and method for hollow filling composite wires

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Embodiment Construction

[0026] Embodiments of the present invention are described in further detail below:

[0027] A multifunctional additive manufacturing device for hollow-filled composite material wire, comprising a wire feeding tube 2, the diameter of the upper section of the wire feeding tube 2 is uniform, and the diameter of the lower section is tapered, and the diameter of the uniform diameter section of the wire feeding tube 2 ( inner diameter) is 1.2mm; the diameter (inner diameter) of the tapered section end of the wire feeding tube 2 is 0.8mm, and a heating block 6 is arranged on the outside of the tapered diameter section of the wire feeding tube 2, and the wire feeding tube 2 is interspersed with a hollow base material 1, the hollow base material 1 adopts a hollow PEEK tube, the wall thickness of the hollow base material 1 is 0.2 mm, and the diameter (inner diameter) is 1 mm, and the hollow base material 1 passes through a godet wheel 8 guides and extends into the wire feeding tube 2, a...

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Abstract

The invention discloses a multifunctional additive manufacturing device and method for hollow filling composite wires. The multifunctional additive manufacturing device comprises a wire feeding pipe, the diameter of the upper section of the wire feeding pipe is uniform, the diameter of the lower section of the wire feeding pipe is gradually reduced, a heating block is arranged on the outer side of the diameter-gradually-reduced section of the wire feeding pipe, and a hollow base material is inserted into the wire feeding pipe in a penetrating mode; and the hollow base material extends into the wire feeding pipe through guiding of a wire guide wheel, the multifunctional additive manufacturing device further comprises an automatic filling device, the automatic filling device comprises a material mixing cavity, a feeding port and a discharging port are formed in the material mixing cavity, the discharging port is inserted into the junction of the diameter uniform section and the diameter gradually-reduced section of the wire feeding pipe in a penetrating mode, and a blade capable of splitting the side wall of the hollow base material is arranged at the upper part of the discharge port. According to the requirements of materials in different areas, the hollow base material can be filled with materials, and when the different areas are printed, the types and proportions of the materials are flexible and controllable.

Description

technical field [0001] The invention relates to the technical field of fusion deposition, in particular to a multifunctional additive manufacturing device and method for hollow-filled composite material filaments. Background technique [0002] At present, when processing composite materials, most of them can only process a certain type of composite material that has been prefabricated. It is difficult to perform real-time preparation and integrated processing of multiple composite materials, and the properties of the processed parts are relatively single. Usually, in order to meet the performance requirements of different regions, it is necessary to use high-performance composite materials for processing, which causes a great waste of high-performance materials. [0003] With the development of additive manufacturing technology, it provides a way of thinking for the real-time preparation and integrated manufacturing of various composite materials. The types of composite mate...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B29C64/118B29C64/336B33Y30/00B33Y10/00B33Y40/10
CPCB29C64/118B29C64/336B33Y30/00B33Y10/00B33Y40/10
Inventor 曹毅马聚隆马浩宇严圣超李涤尘
Owner XI AN JIAOTONG UNIV
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