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Additive manufacturing device and method

A technology of additive manufacturing and fixing seat, applied in the field of additive manufacturing, can solve the problems of poor structure and mechanical properties of workpieces, and achieve the effect of simple and convenient operation and high efficiency

Pending Publication Date: 2020-03-27
GUANGDONG PROVINCIAL INST OF WELDING TECH GUANGDONG PROVINCIAL ACADEMY OF UKRAINE +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] However, at present, the microstructure and mechanical properties of workpieces obtained by arc additive manufacturing of aluminum alloys, titanium alloys and other materials are not good.

Method used

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  • Additive manufacturing device and method
  • Additive manufacturing device and method
  • Additive manufacturing device and method

Examples

Experimental program
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Effect test

Embodiment 1

[0103] Please also refer to figure 1 and figure 2 , the present embodiment provides an additive manufacturing device, which includes a protective cabin and a metal fixing seat 1 . The protective cabin includes a connecting portion 21 and a transparent protective cover 22. One end of the connecting portion 21 is used to connect with the mechanical arm holding the welding torch 4, and the other end is connected with the transparent protective cover 22; The seat 1 is connected, and a manufacturing space for additive manufacturing is formed between the transparent protective cover 22, the connecting portion 21 and the fixed seat 1, and the transparent protective cover 22 is provided with an air hole 225 communicating with the manufacturing space for introducing protective gas. The shielding gas is input into the manufacturing space through the hose 7 communicating with the shielding gas supply device 8 and the manufacturing space.

[0104] Wherein, the connection part 21 is a f...

Embodiment 2

[0108] This embodiment provides an additive manufacturing method, using the additive manufacturing device provided in Embodiment 1 to perform additive manufacturing on the substrate 6 according to the following steps:

[0109] A. Install the substrate 6 on the fixing seat 1 and fix it by clamping parts. Wherein, the fixed seat 1 is placed on the turntable of the positioner.

[0110] B. Put the protective cabin on the fixed seat 1 to cover the base plate 6 . Adjust the mechanical arm so that the moving range of the welding torch 4 is within the range of the protective cabin.

[0111] C. Determine the starting position of the welding torch 4 (that is, the arc starting point), and write the additive manufacturing program.

[0112] D. The flexible connection part 21 is connected and fixed to the mechanical arm, and an appropriate gap is left during the connection process to facilitate the discharge of harmful gases.

[0113] E. Connect the other end of the hose 7 filled with ar...

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Abstract

The invention provides an additive manufacturing device and method, and belongs to the technical field of additive manufacturing. The device comprises a protecting cabin and a fixed seat. The protecting cabin comprises a connecting part and a transparent protective cover; one end of the connecting part is connected with a clamping piece for clamping a welding gun; the other end of the connecting part is connected with the protective cover; the end, far away from the connecting part, of the transparent protective cover is connected with the fixed seat; manufacturing space used for additive manufacturing is formed among the transparent protective cover, the connecting part and the fixed seat; and the transparent protective cover is provided with a gas hole which communicates with the manufacturing space and is used for introducing a protective gas. By forming the gas hole used for introducing the protective and arranging the protective cover as the transparent protective cover, visible machining of a workpiece under the protection of gas is realized; and the problem that air holes are easy to produce by performing electric arc additive manufacturing on the materials, such as aluminumalloy and titanium alloy, in air is avoided. According to the additive manufacturing method above, the additive manufacturing is performed by adopting the additive manufacturing device; the method iseasy and convenient to operate and is high in efficiency.

Description

technical field [0001] The present invention relates to the technical field of additive manufacturing, in particular to an additive manufacturing device and method. Background technique [0002] Additive manufacturing technology is a technology developed at the end of the last century. At present, additive manufacturing is mainly divided into laser additive manufacturing, electron beam additive manufacturing, and arc additive manufacturing according to different heat sources. [0003] Laser additive manufacturing and electron beam additive manufacturing mainly adopt the method of melting and accumulating metal powder layer by layer to manufacture metal components of various complex structures. These two additive manufacturing methods are relatively high in terms of equipment cost and raw material cost. , and is not suitable for additive manufacturing of aluminum alloys. [0004] Arc additive manufacturing mainly adopts the method of layer-by-layer accumulation of metal wire...

Claims

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Application Information

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IPC IPC(8): B23K9/04B23K9/32
CPCB23K9/04B23K9/32B23K9/321
Inventor 任香会高世一张文杰易耀勇郑世达刘丹李苏王金钊辛杨桂
Owner GUANGDONG PROVINCIAL INST OF WELDING TECH GUANGDONG PROVINCIAL ACADEMY OF UKRAINE
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