Photocuring type 3D printing device

A 3D printing and light curing technology, applied in manufacturing auxiliary devices, 3D object support structures, manufacturing tools, etc., can solve problems such as difficult separation, extremely high contact layer requirements, and pressure that cannot be released through peeling, to improve quality and protection. The effect of success rate and integrity

Pending Publication Date: 2021-01-26
PRISMLAB CHINA +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Under the dual effects of the resistance formed by the atmospheric pressure and the inherent adhesive force between the photocurable resin and the bottom of the liquid tank, it is difficult to lift the cured resin together when the lifting platform 130 is lifted, and part of the cured resin will remain on the bottom of the liquid tank 110 , resulting in defects in the molded workpiece
The inherent adhesion between the photocurable resin and the bottom of the liquid tank 110 can be alleviated by adding a non-st

Method used

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  • Photocuring type 3D printing device
  • Photocuring type 3D printing device
  • Photocuring type 3D printing device

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Embodiment Construction

[0028] In order to make the above objects, features and advantages of the present invention more comprehensible, specific implementations of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0029] In the following description, many specific details are set forth in order to fully understand the present invention, but the present invention can also be implemented in other ways than those described here, so the present invention is not limited by the specific embodiments disclosed below.

[0030] As indicated in this application and claims, the terms "a", "an", "an" and / or "the" do not refer to the singular and may include the plural unless the context clearly indicates an exception. Generally speaking, the terms "comprising" and "comprising" only suggest the inclusion of clearly identified steps and elements, and these steps and elements do not constitute an exclusive list, and the method or device may also contain other st...

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Abstract

The invention provides a photocuring type 3D printing device. The photocuring type 3D printing device comprises a shell, a lifting platform, a driving mechanism and an optical system. Liquid photosensitive resin used for workpiece forming is contained in the shell, and the interior of the shell is a low-air-pressure environment. The lifting platform is arranged in the shell and used for bearing aformed workpiece. The driving mechanism drives the lifting platform to do lifting motion. The optical system is positioned below the shell and can form a light beam pattern through irradiation, so that the layer of photosensitive resin at the bottom in the shell is controllably cured.

Description

technical field [0001] The invention relates to a three-dimensional (3D) printing device, in particular to a light-curing 3D printing device. Background technique [0002] 3D printing technology is based on the computer three-dimensional design model, the model is layered by software, and metal powder, ceramic powder, plastic, cell tissue and other special materials are piled up and bonded layer by layer by means of laser beams and hot-melt nozzles. Overlay molding to create a physical product. Unlike the traditional manufacturing industry that uses molds, turning and milling and other mechanical processing methods to shape and cut raw materials to produce final products, 3D printing transforms a three-dimensional entity into several two-dimensional planes, and produces by processing materials and superimposing them layer by layer. The manufacturing complexity is greatly reduced. This digital manufacturing mode does not require complex processes, huge machine tools, or a l...

Claims

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Application Information

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IPC IPC(8): B29C64/124B29C64/20B29C64/25B29C64/364B33Y30/00B33Y40/00
CPCB29C64/124B29C64/20B29C64/25B29C64/364B33Y30/00B33Y40/00B29C64/135Y02P10/25
Inventor 侯锋
Owner PRISMLAB CHINA
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