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Powder conveying device

A powder feeding device and powder collecting technology are applied in the direction of improving process efficiency, improving energy efficiency, and additive manufacturing, etc., and can solve problems such as damage to the powder feeding device and uneven powder feeding.

Pending Publication Date: 2020-04-17
西安赛隆增材技术股份有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The embodiment of the present invention provides a powder feeding device, which is used to solve the problem that the existing powder feeding device for powder bed additive manufacturing equipment is easily affected by powder particle size, powder fluidity and working environment, resulting in uneven powder feeding or easy to cause The problem of damage to the powder feeding device

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Embodiment Construction

[0035] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0036] figure 1The schematic diagram of the structure of the powder feeding device provided by the embodiment of the present invention, such as figure 1 As shown, the powder feeding device provided by the embodiment of the present invention mainly includes: a powder box 100 , a powder collecting tank assembly 200 , a rotating block assembly 300 and a bracket 400 .

[0037] Specifically, the top of the powder box 100 is provided with a flange 101 for hanging o...

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Abstract

The invention discloses a powder conveying device and relates to the field of manufacture equipment for an additional material of a powder bed. The powder conveying device is used for solving the problem that since an existing powder conveying device is easily influenced by the particle size and fluidity of powder and the work environment, powder conveying is uneven or the powder conveying deviceis easily damaged. The device comprises a powder box, a powder collection groove assembly, a rotation block assembly and a support. A powder outlet of the powder box is formed above the powder collection groove assembly and provided with a powder leakage insertion strip. The powder collection groove assembly comprises two or more powder collection groove sheets and two powder collection groove catches, a first side face of each powder collection groove catch is in contact with the side wall of the corresponding powder collection groove sheet, and the portions, in contact with the powder collection groove sheets, of the powder collection groove catches are provided with U-shaped hole grooves. A second side face of each powder collection groove catch is provided with a bearing hole and a bearing cover plate, the inner wall of each bearing hole is provided with a seal groove, the bearing cover plates are used for covering the bearing holes, and asbestos ropes are arranged in the seal grooves. The rotation block assembly comprises two rotation catches and a rotation block, and the rotation block is provided with a side notch.

Description

technical field [0001] The invention relates to the field of powder bed additive manufacturing equipment, and more specifically relates to a powder feeding device. Background technique [0002] Using powder as raw material, the rapid prototyping technology of parts through selective deposition / sintering / melting process is a hotspot in the field of rapid manufacturing. Typical technologies include: selective laser sintering (English: Selective Laser Sintering, SLS), selective laser sintering Melting (English: Selective Laser Melting, SLM), electron beam melting (English: Electron Beam melting, EBM), three-dimensional printing (English: Three DimensionalPrinting, 3DP). The technological process of these technologies is similar, including the following steps: first, a layer of raw material powder is laid on the processing plane, and then the processing source partitions the powder according to the cross-sectional shape of the part to form the cross-sectional profile of the part...

Claims

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Application Information

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IPC IPC(8): B22F3/105B33Y30/00
CPCB33Y30/00B22F10/10B22F10/00B22F10/20B22F12/50Y02P10/25
Inventor 赵培任龙周勃延朱纪磊全俊涛高峰赵小欢向长淑
Owner 西安赛隆增材技术股份有限公司
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