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Piezoelectric-type three-dimensional printing forming system and forming method thereof

A three-dimensional printing, piezoelectric technology, applied in printing, typewriters, etc., can solve the problems of expensive powder and binder, large application constraints, complex structure, etc., to improve the convenience and efficiency of operation, and facilitate connection and movement , Improve the effect of forming precision

Inactive Publication Date: 2014-07-23
HUAZHONG UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

This method inevitably has an impact on the properties of the jetted material, especially for the application of 3D printing rapid prototyping technology in emerging fields such as biology and pharmaceuticals.
3D printing molding systems generally add bonding components to the solution. Limited by the viscosity during injection, the content of bonding components is often insufficient and the bonding strength is not ideal.
In addition, the existing rapid prototyping system has a complex structure, insufficient control precision, and the powder and binder required for molding are expensive, which limits further popularization and use

Method used

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  • Piezoelectric-type three-dimensional printing forming system and forming method thereof
  • Piezoelectric-type three-dimensional printing forming system and forming method thereof
  • Piezoelectric-type three-dimensional printing forming system and forming method thereof

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Embodiment Construction

[0040] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0041] See also Figure 1 to Figure 2 , The three-dimensional printing molding system of the present invention includes a piezoelectric nozzle 10, a powder chamber 22, a powder spreading mechanism 20, a bearing structure 21, an X-direction movement mechanism 11, a negative pressure adsorption mechanism 12, a powder chamber lifting mechanism 14, and a powder scraping device 19 , casing and supporting frame 23 thereof, and automatic control device (not shown) and other components.

[0042] The piezoelectric nozzle 10 is transformed from a piezoelectric inkjet printer, retaining the piezoelectric noz...

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Abstract

The invention discloses a piezoelectric three-dimensional printing and molding system and its molding method. The system includes a box body and its supporting frame, an X-direction movement mechanism (11), a load-bearing structure (21) connected to the X-direction movement mechanism, The powder storage cavity (13) and the molding cavity (17) located under the load-bearing structure, the three-dimensional image layering discrete mechanism, as well as the powder spreading mechanism (20) and piezoelectric nozzle (10) loaded on the load-bearing structure (21) . The invention uses a piezoelectric nozzle to spray solutions without heating, and can spray more types of solutions and be used in emerging fields such as biology and pharmaceuticals. This system mixes the binding ingredients into the powder, which can add sufficient binding ingredients and achieve satisfactory bonding strength. In addition, the invention has the advantages of compact structure, easy operation, low equipment cost and high molding accuracy.

Description

technical field [0001] The present invention relates to the technical field of three-dimensional printing molding, and more specifically, to a piezoelectric jetting three-dimensional printing molding system and a molding method thereof. Background technique [0002] 3D printing rapid prototyping technology was first developed by Emanuel Sachs of Massachusetts Institute of Technology and others. It is currently one of the most vital technologies in the field of rapid prototyping and has broad application prospects. This technology is a growth-oriented manufacturing technology based on the idea of ​​"discrete / stack". It uses computer technology to discretize the 3D CAD model into a series of 2D cross-sectional views in one direction, and then prints and accumulates them layer by layer according to the information of the cross-sectional views. In each layer of printing, the precision nozzle is used to spray the bonding solution on the pre-laid powder plane to bond the powder in...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B41J2/01B41J3/00
CPCB29C64/165B33Y10/00B33Y30/00B29C64/227B29C64/25B22F12/63B22F12/30B22F10/14B22F2999/00B22F12/224B22F12/53
Inventor 张鸿海曹澍朱天柱徐裕力舒霞云孙博占志敏胡燕
Owner HUAZHONG UNIV OF SCI & TECH
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