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Stepping splicing type 3D printing system and printing method

A 3D printing and 3D printer technology, applied in the field of 3D printing, can solve the problems of high cost and poor use flexibility, achieve high printing accuracy and solve the effect of splicing errors

Active Publication Date: 2018-07-13
BMF NANO MATERIAL TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

[0004] In order to improve the printing format under the premise of satisfying the accuracy, the prior art CN201520983708.3 proposes to combine multiple DLP optical machines to achieve this, but the cost of this method is high, and the relative positions between each optical machine need to be precisely adjusted and adjusted. Fixed, not flexible enough to use

Method used

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  • Stepping splicing type 3D printing system and printing method
  • Stepping splicing type 3D printing system and printing method
  • Stepping splicing type 3D printing system and printing method

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Embodiment Construction

[0028] Such as figure 1 As shown, the present invention discloses a step-by-step splicing 3D printing system, including a control system and a 3D printer. The control system is connected to the 3D printer through communication. The 3D printer includes a fixed platform 1 and a The lens fixing column 2 and the printing mechanism at the upper end, the lens fixing column 2 is provided with a lithography lens 21 corresponding to the position of the printing mechanism, and an XY-axis motion platform is arranged between the printing mechanism and the fixed platform 1 3. The XY-axis motion platform 3 includes an X-axis motion mechanism and a Y-axis motion mechanism.

[0029] Both the X-axis movement mechanism and the Y-axis movement mechanism are screw movement mechanisms.

[0030] Described printing mechanism comprises connecting plate 41 and is located at the printing platform 44 on described connecting plate 41, printing platform elevating mechanism 42 and liquid tank 43, and desc...

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Abstract

The invention provides a stepping splicing type 3D printing system and a printing method. The system comprises a control system and a 3D printer, wherein the control system is in communication connection with the 3D printer, the 3D printer comprises a fixing platform, a lens fixing column and a printing mechanism, the lens fixing column and the printing mechanism are arranged at the upper end of the fixing platform, the lens fixing column is provided with a photoetching lens corresponding to the printing mechanism in position, an XY-axis movement platform is arranged between the printing mechanism and the fixing platform, and the XY-axis movement platform comprises an X-axis movement mechanism and a Y-axis movement mechanism. The XY-axis movement platform is arranged, so that high printingprecision can be guaranteed, meanwhile, the printing breadth can be increased in a stepping splicing mode, and the splicing error in the splicing process can be effectively avoided.

Description

technical field [0001] The invention relates to the field of 3D printing, in particular to a step-by-step stitching 3D printing system and a printing method. Background technique [0002] At present, digital micromirror devices (Digital Micromirror Devices, DMD for short) are usually used in the 3D printing technology based on surface projection micro-stereolithography (DLP). DMD microlens arrays are used to provide exposed images. The size of each microlens in the DMD microlens matrix is ​​generally 7-10um, and the printing accuracy depends on the size of the microlens. In the surface projection micro-stereolithography (DLP) 3D printing technology, in order to further improve the precision to the sub-micron level, the DMD image is generally reduced by optical design, that is, the image reflected by the DMD is processed by the projection objective lens. Zoom out to achieve the purpose of improving printing accuracy. Because after the overall image is reduced, although the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B29C64/129B29C64/245B29C64/393B33Y30/00B33Y50/02
CPCB33Y30/00B33Y50/02
Inventor 王焱华冯玉林何贺敬黄立赵卓贺晓宁方绚莱
Owner BMF NANO MATERIAL TECH CO LTD
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