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Using method and structure of large-small size fast switching 3D printing bin

A technology of rapid switching and printing bins, applied in the direction of additive processing, etc., can solve the problems of poor adaptability to the size of the printed parts, and the space of the printing bin cannot be adjusted according to the demand, so as to achieve powder saving, simple structure and good size adaptability. Effect

Pending Publication Date: 2021-12-03
SOUTH CHINA UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The equipment has a compact structure and a small footprint, but the space of the printing chamber cannot be adjusted according to the demand, and the size adaptability of the printed parts is not strong

Method used

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  • Using method and structure of large-small size fast switching 3D printing bin
  • Using method and structure of large-small size fast switching 3D printing bin
  • Using method and structure of large-small size fast switching 3D printing bin

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Embodiment Construction

[0042] The specific implementation of the present invention will be further described below in conjunction with examples, but the implementation and protection of the present invention are not limited thereto. It should be pointed out that, if there are any processes in the following that are not specifically described in detail, those skilled in the art can realize or understand with reference to the prior art. The reagents or instruments used were not indicated by the manufacturer, and they were regarded as conventional products that can be purchased from the market.

[0043]The present invention provides a 3D printing chamber with fast switching between large and small sizes, including: a large-size printing chamber, a partition 6, a main base plate 3, an auxiliary base plate 7, a lifting device and a control circuit system. The bottom plate of the printing chamber is set into two parts, one part is the main bottom plate 3, and the other part is the sub-bottom plate 7, the ...

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Abstract

The invention provides a using method and structure of a large-small size fast switching 3D printing bin. A small-size printing bin used for printing small-size objects is divided in a large-size printing bin through a partition plate; when the large-size printing bin is used, a main bottom plate and an auxiliary bottom plate are in linkage lifting; and when the small-size printing bin is used, only the auxiliary bottom plate ascends and descends. A lifting device comprises a first motor, a second motor, a first lead screw and a second lead screw, the first motor is connected with the main bottom plate through the first lead screw, and the second motor is connected with the auxiliary bottom plate through the second lead screw. A control circuit system comprises a first switch used for controlling on-off of the second motor, a second switch used for controlling on-off of the first motor, and a main switch, the first switch and the second switch are arranged on two branches of A parallel circuit respectively, and the main switch is arranged on a main circuit. The large-size or small-size printing bin can be reasonably selected according to the size of parts, and the advantages of powder saving, high powder utilization rate, high printing efficiency, convenience in assembly and disassembly and the like are achieved.

Description

technical field [0001] The invention belongs to the field of 3D printers, and in particular relates to a method and structure of a 3D printing chamber for fast switching between large and small sizes. Background technique [0002] 3D printing technology appeared in the 1980s. It is a technology that can realize rapid prototyping of materials and additive manufacturing. Its biggest advantage is that it can get rid of the shackles of complex molds in traditional forming methods and enable rapid prototyping of parts with complex shapes and structures. . According to the differences in printing principles, the current mainstream 3D printing technologies include Fused Deposition Modeling (FDM), Binder Jet 3D Printing (BJ3DP), Selective Laser Sintering (SLS), Electron Beam Melting Forming (EBM), etc. [0003] In the field of 3D printing, BJ3DP technology has the advantages of fast printing speed, no need for supporting materials in the printing process, large size range of printe...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B29C64/20B33Y30/00
CPCB29C64/20B33Y30/00
Inventor 陈维平陈焕达朱德智付志强
Owner SOUTH CHINA UNIV OF TECH
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