Robot-assisted large-scale fiber-reinforced heterogeneous multi-material in-situ additive manufacturing system

A robot-assisted and fiber-reinforced technology, which is applied in the direction of additive processing, manufacturing, and additive processing of mixtures of solid materials and liquid materials, can solve the problems of continuous carbon fiber and a variety of resin materials such as less occurrence

Active Publication Date: 2022-02-11
ZHEJIANG UNIV
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

[0006] However, most of the existing technologies are based on the composite of a single resin and carbon fiber, and the composite of continuous carbon fiber and multiple resin materials is rare.

Method used

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  • Robot-assisted large-scale fiber-reinforced heterogeneous multi-material in-situ additive manufacturing system
  • Robot-assisted large-scale fiber-reinforced heterogeneous multi-material in-situ additive manufacturing system

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Embodiment Construction

[0036] The present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be noted that the following embodiments are intended to facilitate the understanding of the present invention, but do not limit it in any way.

[0037] Such as figure 1 As shown, a robot-assisted large-scale fiber-reinforced heterogeneous multi-material in-situ additive manufacturing system mainly consists of a multi-functional printing platform 1, a multi-channel cooling system 2, a fiber-reinforced multi-material print head 3, a control board 4 and a mechanical Arm 5 constitutes. The multi-material print head 3 is fixed at the end of the mechanical arm 5, and the multi-material print head 3 is provided with a multi-channel cooling system 2; the mechanical arm 5 is provided with a control board 4 near the end, and the multi-material print head is controlled by the control board 4 3 Print on the multi-function printing platform 1.

[0...

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Abstract

The invention discloses a robot-assisted large-scale fiber-reinforced heterogeneous multi-material in-situ additive manufacturing system, including: a multi-functional printing platform, a mechanical arm, and a fiber-reinforced multi-material printing head fixed to the end of the mechanical arm. The multi-material printing head is provided with a multi-channel cooling system; the mechanical arm is provided with a control board near the end, and the multi-material printing head is controlled by the control board to print on the multi-functional printing platform; the multi-material printing head It includes: an upper connecting plate, a lower connecting plate connected to the upper connecting plate through a fixing column, four resin trays and a fiber tray arranged between the upper connecting plate and the lower connecting plate, and a Rotary mechanism, nozzle fixed to the lower end surface of the lower connecting plate; the feeding end of the nozzle is provided with five feeding ports respectively corresponding to four resin trays and one fiber tray. Utilizing the invention, in-situ impregnation printing of a wide range of continuous fibers and various resins can be realized.

Description

technical field [0001] The invention relates to the technical field of continuous fiber reinforced resin, in particular to a robot-assisted large-scale fiber reinforced heterogeneous multi-material in-situ additive manufacturing system. Background technique [0002] Carbon fiber has the advantages of high specific strength, high specific modulus, high temperature resistance, etc., especially composite materials represented by continuous carbon fiber reinforced plastics, which have been widely used in aerospace, transportation, pressure vessels, sporting goods and other high-end manufacturing fields. In carbon fiber reinforced resin composite materials, it is mainly divided into two parts: short carbon fiber reinforced and continuous fiber reinforced. Among them, the surface accuracy of printed samples of short fiber reinforced composite materials is higher, but its mechanical properties are not significantly improved. Notably, the mechanical properties of continuous fiber-re...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B29C64/165B29C64/241B29C64/20B29C64/209B29C64/295B33Y30/00B33Y70/10
CPCB29C64/165B29C64/241B29C64/20B29C64/209B29C64/295B33Y30/00B33Y70/10
Inventor 沈洪垚牛成成姚鑫骅栾丛丛徐冠华傅建中谈学锋
Owner ZHEJIANG UNIV
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