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Powder feeder capable of drying and preheating powder based on laser additive manufacturing and powder feeding method

A technology of laser additive and powder feeder, which is applied in the field of powder feeder, can solve the problems of powder bonding and blockage of powder feeder, and achieve the effects of saving time, ensuring good quality, and simple structure

Pending Publication Date: 2019-06-21
SHENYANG POLYTECHNIC UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] 1. Wet powder will cause problems such as powder bonding and blockage of powder feeding device

Method used

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  • Powder feeder capable of drying and preheating powder based on laser additive manufacturing and powder feeding method
  • Powder feeder capable of drying and preheating powder based on laser additive manufacturing and powder feeding method

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Embodiment Construction

[0022] The idea, specific structure and technical effects of the present invention will be further described below in conjunction with the accompanying drawings, so as to fully understand the purpose, features and effects of the present invention.

[0023] Such as figure 1 A powder feeder that can dry and preheat powder based on laser additive manufacturing is shown, including electrical components located at the lower part of the powder feeder, a hopper located above the powder feeder, and a ceramic heating device for drying and heating the powder. The powder feeding pipe consists of 4 parts. The electrical components located at the lower part of the powder feeder include a control system 11 , a coupling 12 , a motor 13 and a connection line 14 , and the motor 13 is connected to the control system 11 through the connection line 14 . The hopper at the top of the powder feeder includes a hopper upper cover 21, a molecular sieve 22, a hopper housing 23 and a powder feeding whee...

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PUM

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Abstract

The invention discloses a powder feeder capable of drying and preheating the powder based on the laser additive manufacturing and the powder feeding method. The powder feeder comprises an electrical element, a hopper and a ceramic heating tank, wherein the ceramic heating tank is used for drying and heating the powder; and the electrical element located at the lower part of the powder feeder comprises a control system (11) and a motor (13), and the control system (11) is connected to the motor (13). According to the powder feeder and the powder feeding method, the structure is simple, the timefor independently drying and preheating the powder is saved, and real-time preheating is realized. The quality of the powder fed into a melting tank is better, so that the good quality of a forming part is ensured.

Description

technical field [0001] The invention designs a powder feeding device for laser additive manufacturing, and in particular relates to a powder feeding device that can dry and preheat powder based on laser additive manufacturing. Background technique [0002] With the rapid development of laser additive manufacturing technology and its wide application in industrial fields such as aviation, automobile and metallurgy, the performance requirements for laser additive manufacturing equipment are also getting higher and higher. The powder feeding device of laser additive manufacturing is one of the main factors affecting the performance of laser additive manufacturing equipment. The commonly used powder feeder device is generally composed of electrical components below the powder feeder and a hopper above it. [0003] The existing powder feeding device can no longer meet the needs of laser additive manufacturing molded parts. Moisture in the powder can lead to problems such as pow...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B22F3/105B22F1/00B33Y30/00B33Y40/00
CPCY02P10/25
Inventor 徐国建王文博杭争翔郑文涛苏允海胡方曲迎东于宝义
Owner SHENYANG POLYTECHNIC UNIV
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