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Dual-material powder laying device of additive manufacturing laser forming device

A laser forming and additive manufacturing technology, applied in the directions of additive manufacturing, additive processing, and process efficiency improvement, can solve problems such as low forming efficiency, and achieve the effect of ensuring forming efficiency, compact and reasonable structure, and space utilization.

Pending Publication Date: 2018-04-06
HKUST TIANGONG INTELLIGENT EQUIP TECH (TIANJIN) CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] For this reason, the technical problem to be solved by the present invention lies in the problem of low molding efficiency when the additive manufacturing laser molding equipment in the prior art performs two kinds of powder molding, and then provides a dual-material powder spreading device for the additive manufacturing laser molding equipment

Method used

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  • Dual-material powder laying device of additive manufacturing laser forming device
  • Dual-material powder laying device of additive manufacturing laser forming device
  • Dual-material powder laying device of additive manufacturing laser forming device

Examples

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Effect test

Embodiment 1

[0039] The dual-material powder spreading device of the additive manufacturing laser molding equipment of this embodiment, such as Figure 1-3 shown, including:

[0040] A powder falling part, the powder falling part is composed of a first powder falling part 1a and a second powder falling part 1b, used for storing and / or dropping different / identical powders;

[0041] The scraper assembly 2, the scraper assembly 2 includes a scraper 2a; the scraper 2a is fixed on the scraper mounting frame 5;

[0042] A brush assembly 3, the brush assembly 3 includes a brush 3a; the extension direction of the brush 3a and the scraper 2b are parallel to each other;

[0043] A driving part, the driving part is fixed on the side wall of the scraper mounting frame 5, and is connected with the scraper assembly 2 and the brush assembly 3, and is used to control the relationship between the scraper 2a and the brush 3a move.

[0044]Wherein, the specific structure and specific installation position...

Embodiment 2

[0060] The additive manufacturing laser molding equipment of this embodiment includes the dual-material powder spreading device described in Embodiment 1, and at least includes a molding platform 12, a molding shaft 13 and a molding cavity 14 for driving the molding platform 12 to move .

[0061] As a preferred implementation of this embodiment, the additive manufacturing laser molding equipment further includes a first powder collection part 15a and a second powder collection part 15b for collecting excess powder during powder spreading.

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Abstract

The invention provides a dual-material powder laying device of an additive manufacturing laser forming device. The device comprises a powder falling part, a scraper assembly, a brush assembly and a drive part; the powder falling part is composed of a first powder falling part body and a second powder falling part body; the scraper assembly comprises a scraper, the scraper is fixed to a scraper mounting frame, the brush assembly comprises a brush, the brush is parallel to the extension direction of the scraper, the driving part is fixed to the side wall of the scraper mounting frame, and the scraper assembly is connected with the brush assembly and used for controlling the scraper and the brush to move. According to the dual-material powder laying device, forming efficiency is effectively ensured, and mixed forming of two materials can be achieved.

Description

technical field [0001] The invention belongs to the field of additive manufacturing equipment, and in particular relates to a dual-material powder spreading device for additive manufacturing laser forming equipment. Background technique [0002] The raw materials used in additive manufacturing technology usually include powder, silk, chemical liquid, etc., and the mainstream technology for industrial applications is to use laser or electron beam as the energy source to melt or bond the powder, such as SLM, SLS, LSF , EBM and other technologies. The raw materials used in these technologies are powders of tens to hundreds of microns. During the molding process, the powder is evenly spread on the molding surface by the powder supply mechanism and the powder spreading mechanism, and then the specific geometric shape of the surface is formed by using energy sources such as lasers. The powders in the regions are fused, creating a metallurgical bond that ultimately enables the thr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B22F3/105B33Y30/00B33Y40/00
CPCB33Y30/00B33Y40/00B22F10/00B22F12/38B22F10/28B22F12/67B22F12/222B22F12/55B22F10/73Y02P10/25
Inventor 张超程锦泽钱浩马向军吕胜雨王鹏翔
Owner HKUST TIANGONG INTELLIGENT EQUIP TECH (TIANJIN) CO LTD
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