Color or multi-material three-dimensional (3d) printing

A 3D printer and multi-material technology, applied in 3D object support structures, mixers, additive processing, etc., can solve problems such as insufficient mixing, inability to provide color, complexity, etc., to achieve cost reduction, high-quality color performance, and increase The effect of reliability

Active Publication Date: 2016-06-29
张凯瑞
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the FDM variation of US7,648,664, granular materials of different colors are used, which are melted and then mixed by an extruder to meet the color requirements, and then printed. This method requires very complicated equipment and loses a lot of FDM. The advantages
US6,129,872 discloses a process in which building materials are melted in a nozzle, and various dye mixtures are selectively added to the melt at the end of the nozzle. However, this will cause insufficient mixing and cannot provide a clean color
[0012] US2010 / 0327479 discloses a process in which a variety of color filaments are combined and continuously extruded in a micro-extruder to provide new color filaments, which enter the nozzle for printing. This method requires extremely delicate and complex equipment

Method used

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  • Color or multi-material three-dimensional (3d) printing
  • Color or multi-material three-dimensional (3d) printing
  • Color or multi-material three-dimensional (3d) printing

Examples

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Embodiment Construction

[0028] The following description is a preferred embodiment providing a color 3D printing device using a curable substance as a building material. Such as figure 1 As shown, the color 3D printing system includes a plurality of magazines 11 for building materials, a mixer 12 and a single nozzle 13 with a single thermal extruder. The curable building material contained in the magazine 11 is sent to the spray head 13, and is fully mixed in the process, and finally extruded from the tip of the spray head, and the extruded building material droplets are then solidified.

[0029] Each magazine 11 contains building materials, and a plurality of magazines are used to accommodate building material liquids with different properties (such as color, hardness or specific gravity). In one embodiment, the building material is contained in a syringe to facilitate delivery. The holding container can also be a thin tube, a bottle or any other liquid container that can facilitate the delivery o...

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Abstract

A three-dimensional (3D) continuous color printer includes one or more cartridges each with a building material stored therein, a mixer coupled to each cartridge, and a single printhead coupled to a mixer output, wherein the building material stored in the cartridge is transported to the mixer and the single print head to form a continuous color object.

Description

[0001] This case declares the priority of U.S. Provisional Application No. 61 / 962869 filed on November 18, 2013 and U.S. Provisional Application No. 62 / 041105 filed on August 24, 2014. technical field [0002] The invention relates to a 3D printer. Background technique [0003] Rapid prototyping (Rapid prototyping) and rapid manufacturing processes (Rapid manufacturing processes) try to convert 3D computer-aided design (CAD, Computeraided design) data into workpieces directly and quickly without human intervention and the use of molds. Most printers are monochrome printers, however, with the printing trend, consumers will demand high-quality and affordable color printing. [0004] One of the challenges with current 3D color printing is the building materials used. Common low-cost thermoplastic 3D printers use only a single thermal extruder to provide the energy for the hot melt. There are also 3D printers with multiple thermal extruders, but they are not practical because ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B29C67/00B33Y30/00B33Y50/00
CPCB29C64/112B29C64/124B29C64/393B29C64/118B29C64/147B29C64/106B01F33/84B01F35/7174B33Y50/02B33Y10/00B33Y30/00B29C67/0007
Inventor 张凯瑞
Owner 张凯瑞
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