Powder mixing device for three-dimensional printing system and three-dimensional printing system

A technology of three-dimensional printing and mixing device, applied in the field of three-dimensional printing system, can solve the problem of single material properties of three-dimensional objects, and achieve the effect of effective powder supply, reasonable structure and uniform powder mixing

Active Publication Date: 2014-04-23
TSINGHUA UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The material properties of the 3D objects obtained by the existing 3D printing system are single

Method used

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  • Powder mixing device for three-dimensional printing system and three-dimensional printing system
  • Powder mixing device for three-dimensional printing system and three-dimensional printing system
  • Powder mixing device for three-dimensional printing system and three-dimensional printing system

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Embodiment Construction

[0037] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary only for explaining the present invention and should not be construed as limiting the present invention.

[0038] In describing the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", " The orientations or positional relationships indicated by "vertical", "horizontal", "top", "bottom", "inner" and "outer" are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and Simplified descriptions, rather than indicating or implying that the device or element referr...

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Abstract

The invention discloses a powder mixing device for a three-dimensional printing system and the three-dimensional printing system with the powder mixing device. The powder mixing device comprises a plurality of powder supplying devices, wherein each powder supplying device comprises a powder storage box, a vibration plate, a vibration source, a powder receiving box and a driving piece; each powder storage box is internally provided with a containing cavity and each powder storage box is provided with a discharging opening communicated with the corresponding containing cavity; each vibration plate is arranged blow one discharging opening and each discharging opening is used for conveniently receiving powder flowing out from the discharging opening; each vibration source is connected with the vibration plate; each powder receiving box is internally provided with a material receiving cavity with the opened upper end; the material receiving boxes are movably arranged below the vibration plates of the plurality of powder supplying devices between a material receiving position and a discharging position; the material receiving cavities at the material receiving position are opposite to the vibration plates of the plurality of powder supplying devices; each driving piece is connected with the corresponding powder receiving box. The powder mixing device has the advantages of being efficient and stable in powder supply, uniform in powder mixing and the like.

Description

technical field [0001] The present invention relates to a powder mixing device for a three-dimensional printing system, and also relates to a three-dimensional printing system with the powder mixing device. Background technique [0002] The 3D printing technology that uses laser or electron beam scanning to solidify the preset powder layer and manufacture 3D objects layer by layer is a new type of manufacturing technology. Typical 3D printing processes include laser selective melting and electron beam selective melting. The basic process steps include: using the powder supply and paving system to spread the powder material into a thin layer on the working platform, and then the laser or electron beam moves on the powder , selective sintering or melting of powdered materials. The above steps are repeated until the entire three-dimensional object is manufactured. The material properties of the 3D objects obtained by the existing 3D printing systems are single. Contents of ...

Claims

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Application Information

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IPC IPC(8): B29C67/00B22F3/105B22F3/115
Inventor 林峰郭超张峻张磊张婷姚睿
Owner TSINGHUA UNIV
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