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Title:
MICROWAVE-COORDINATED THREE-DIMENSIONAL PRINTING APPARATUS, AND ACCURATE AND EFFICIENT PRINTING METHOD FOR PLANT GEL SYSTEM
Document Type and Number:
WIPO Patent Application WO/2021/077561
Kind Code:
A1
Abstract:
Disclosed are a microwave-coordinated three-dimensional printing apparatus, and an accurate and efficient printing method for a plant gel system, the apparatus and method belonging to the technical field of food processing. The apparatus comprises a three-dimensional printer, a built-in real-time microwave heating and curing apparatus, a flexible microwave shielding box body, an embedded online microwave real-time controller, etc. A microwave source is a solid-state microwave source with the power thereof being continuously adjustable within the range of 20-200 W. Achieving microwave energy feedback by means of rotating an antenna can ensure that microwaves are evenly absorbed by a material layer during a printing process. The apparatus can realize real-time microwave heating and curing in a 3D printing process, and can realize rapid curing to improve the printing precision, thus improving the 3D-printing food production efficiency while shortening the whole process. According to material properties, such as a rheological characteristic and a dielectric characteristic, a matching relationship between a printing extrusion speed of the material in the 3D printing process and a real-time microwave heating power is established, and material curing at an appropriate speed is realized, such that a printing precision of 95% or more is realized, and deformation is avoided during the subsequent process.

Inventors:
ZHANG MIN (CN)
LIU ZHENBIN (CN)
CHEN HUIZHI (CN)
Application Number:
PCT/CN2019/123530
Publication Date:
April 29, 2021
Filing Date:
December 06, 2019
Export Citation:
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Assignee:
UNIV JIANGNAN (CN)
International Classes:
A23P30/20; A23L5/30; A23P30/00
Foreign References:
CN104690961A2015-06-10
CN107901403A2018-04-13
CN109820224A2019-05-31
DE102017128111A12018-06-07
US20170368745A12017-12-28
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