Automatic powder collecting and feeding system for metal powder 3D printing and printing method

A technology of metal powder and 3D printing, applied in metal processing equipment, transportation and packaging, additive manufacturing, etc., can solve problems such as waste of resources, impact on cost and molding efficiency, abandonment, etc., to improve safety, stability and sustainability Improve workability and print efficiency

Active Publication Date: 2022-05-13
FUJIAN INST OF RES ON THE STRUCTURE OF MATTER CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] SLM technology is currently widely used in the field of additive manufacturing of metal powder materials, among which powder feeding technology is a key technology to realize metal powder additive manufacturing, which greatly affects the cost and molding efficien

Method used

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  • Automatic powder collecting and feeding system for metal powder 3D printing and printing method

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Embodiment 1

[0040] A metal 3D printing vacuum automatic powder feeding system, including a cyclone separator 1, a printer silo 5, a printer printing chamber 8, and a waste powder tank 11 arranged sequentially from top to bottom, and the cyclone separator 1 passes through a powder supply pipeline 44 It is connected to the powder tank 30, and the powder supply pipeline 45 is connected to the bottom of the powder tank 30. The waste powder tank 11 is connected to the powder tank 30 through the waste powder pipeline 45, and the waste powder is sent into the powder tank 30 for reuse.

[0041] The powder tank 30 is provided with an argon gas inlet 18, a powder tank high powder level sensor switch 19, a load cell assembly 20 and a powder tank low powder level sensor switch 21 from top to bottom. The butterfly valve 29 is connected to the exhaust barrel 28, and the filter element 27 is arranged in the exhaust barrel 28. The exhaust barrel 28 is connected to the cyclone separator 1 through the first...

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Abstract

The invention belongs to the technical field of advanced additive manufacturing, and relates to an automatic powder receiving and feeding system for metal 3D printing and a printing method.The system comprises a printer printing cavity, a printer stock bin is arranged at the top of the printer printing cavity and connected with a powder cylinder through a powder feeding pipeline, and a waste powder cylinder is arranged at the bottom of the printer stock bin; the interior of the waste powder cylinder is used for receiving waste metal powder scraped from the interior of a printer stock bin, and the waste powder cylinder is connected with the powder cylinder through a waste powder pipeline and used for guiding the waste powder into the powder cylinder. According to the invention, automatic recovery treatment and reutilization of waste powder and automatic powder receiving and feeding printing functions in the printing process can be realized, the manual operation is greatly reduced, and the printing efficiency of the printer is greatly improved.

Description

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Claims

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Application Information

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Owner FUJIAN INST OF RES ON THE STRUCTURE OF MATTER CHINESE ACAD OF SCI
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