Liquid tank device, three-dimensional printing device provided therewith and printing model separating method

A liquid tank and separation membrane technology, applied in metal processing equipment, accessories for processing main materials, manufacturing tools, etc., can solve problems such as difficult separation of liquid tanks

Inactive Publication Date: 2018-11-09
HANS LASER TECH IND GRP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] Based on this, it is necessary to address the problem that the liquid tank of the printed model is difficult to separate, to provide a liquid tank devic...

Method used

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  • Liquid tank device, three-dimensional printing device provided therewith and printing model separating method
  • Liquid tank device, three-dimensional printing device provided therewith and printing model separating method
  • Liquid tank device, three-dimensional printing device provided therewith and printing model separating method

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Embodiment Construction

[0032] In order to facilitate the understanding of the present invention, the present invention will be described more fully below with reference to the associated drawings. Preferred embodiments of the invention are shown in the accompanying drawings. However, the present invention can be embodied in many different forms and is not limited to the embodiments described herein. On the contrary, these embodiments are provided to make the understanding of the disclosure of the present invention more thorough and comprehensive.

[0033] It should be noted that when an element is referred to as being “fixed” to another element, it can be directly on the other element or there can also be an intervening element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and similar expressions are used herein for purposes ...

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PUM

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Abstract

The invention relates to a liquid tank device, a three-dimensional printing device provided therewith and a printing model separating method. The liquid tank device comprises a fixed platform; a supporting structure comprising a pallet and a light-transmitting plate; a liquid tank structure comprising a liquid tank body and a separation membrane; and a pneumatic separation mechanism for introducing a gas between the separation membrane and the light-transmitting plate, or extracting a gas between the separation membrane and a support structure out; wherein the separation membrane and the support structure together form a venting gap. The pneumatic separation mechanism can supply the gas into the venting gap between the separation membrane and the support structure to deform the separationmembrane so as to separate the separation membrane from the light-transmitting plate to break vacuum environment between the separation membrane and the light-transmitting plate. Therefore, the separation membrane can be deformed following a printing layer due to the ductility of the separation membrane, and the printing layer can be finally separated from the separation membrane easily. When thepneumatic separation mechanism evacuates the gas in the venting gap between the separation membrane and the support structure, the separation membrane can be reattached to the light-transmitting plateto prepare for next printing.

Description

technical field [0001] The invention relates to the technical field of three-dimensional printing, in particular to a liquid tank device, a three-dimensional printing device equipped with the same and a printing model separation method. Background technique [0002] With the advancement of science and technology and the improvement of production level, three-dimensional printing (3DP, Three Dimension Printing) technology is based on digital model files, using powdered metal or plastic and other bondable materials, through layer-by-layer printing. The technology of constructing objects, because it can automatically, quickly, directly and accurately convert three-dimensional designs into physical models, is more and more widely used in various fields such as manufacturing, medical industry, architectural design, and cultural relics protection. Among them, the surface-exposure photocuring 3D printing technology achieves model printing and manufacturing by curing the photosensit...

Claims

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Application Information

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IPC IPC(8): B29C64/124B29C64/255B29C64/379B33Y30/00
CPCB29C64/124B29C64/255B29C64/379B33Y30/00
Inventor 宋战波彭剑何振波祁杨停陈小强李喜露初天龙周利锋雷光英吕启涛高云峰
Owner HANS LASER TECH IND GRP CO LTD
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