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FDM-3D printer external-connected color mixer

A FDM-3D, printer technology, applied in 3D object support structure, additive manufacturing, processing heating elements, etc., can solve problems such as unfavorable printers, and achieve the effect of saving space and cost

Pending Publication Date: 2017-05-31
北京交通大学海滨学院
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Not conducive to the development of printer modularization
This has resulted in product homogeneity and low-price vicious competition in the desktop FDM printer market

Method used

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  • FDM-3D printer external-connected color mixer
  • FDM-3D printer external-connected color mixer
  • FDM-3D printer external-connected color mixer

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0058] When mixing colors of PLA materials, the temperature at the center of the heating melting chamber 7 is controlled at 190-200° C., and the temperature at the inlet and outlet is less than 50° C. Among them, the red and blue wire feeding speeds are 20mm / s respectively. Other color wires stop wire feeding. Finally, a mixed-color purple is formed, and the silk output speed is 40mm / s.

Embodiment 2

[0060] When the ABS material is mixed, the central temperature of the heating and melting chamber 7 is controlled at 220-230° C., and the temperature of the inlet and outlet is 60-50° C. Among them, the red wire feeding speed is 20mm / s, and the yellow wire feeding speed is 10mm / s. Other color wires stop wire feeding. Finally, a mixed color reddish-orange is formed, and the wire output speed is 30mm / s.

Embodiment 3

[0062] When mixing colors of PA materials, the central temperature of the heating melting chamber 7 is controlled at 250-280°C, and the temperature at the inlet and outlet is 75-65°C. The yellow wire feeding speed is 30mm / s, the blue wire feeding speed is 20mm / s, and the black wire feeding speed is 10mm / s respectively. All the other color wire materials 15 stop wire feeding. Finally, a dark yellow-green mixed color is formed, and the silk output speed is 60mm / s.

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Abstract

The invention provides an FDM-3D printer external-connected color mixer. The FDM-3D printer external-connected color mixer comprises a box frame, a wire feeding device, a melting chamber, a wire discharge device and a cooling device; a feeding runner of the melting chamber is connected with feeding throat pipes; the wire feeding device is connected with the feeding throat pipes through wire feeding guide pipes; a discharge runner of the melting chamber is connected with a wire discharge guide pipe through a discharge throat pipe; the melting chamber is fixed in the box frame through a fixing device; two ends of a cooling pipe respectively communicate with a water pump and a lower water tank; and the water pump conveys water in the lower water tank into the cooling pipe, and drives the water in the lower water tank and water in an upper water tank to circulate. The FDM-3D printer external-connected color mixer uses the wire feeding device for controlling the wire feeding speed of wires with various colors and realizes different wire feeding quantities of wires with five colors of three primary colors, black and white; five mixed wires are fed to a wire melting and discharge device for heating and melting by the guide pipes to realize mixing and color matching so as to form different mixed colors; and the FDM-3D printer external-connected color mixer saves the space occupied by a printer, meanwhile, finishes upgrading of traditional equipment, and saves the cost.

Description

technical field [0001] The invention belongs to the technical field of FDM-3D printers, and in particular relates to an external color mixer for FDM-3D printers. Background technique [0002] At present, 3D printers are gradually entering people's vision and life, and their development speed is as amazing as that of computers. 3D printers are developing towards home use and industrialization. Among them, home desktop 3D printers are expected to become popular products like mobile phones and computers, affecting people's daily life. At present, desktop-level 3D printers are mainly used by designers, medical schools, education and training units of universities, middle schools and primary schools, and makers. Raise people's level of design. [0003] As 3D printers gradually enter mass consumption, the performance requirements for 3D printers are getting higher and higher. But most existing desktop printers are single-color, single-material designs. During the printing proc...

Claims

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Application Information

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IPC IPC(8): B29C64/118B29C64/336B29C64/295B29C64/30B33Y30/00
CPCB33Y30/00
Inventor 姜启龙薛森杨树岗鲍培玮于直李青山王岭松李康杨佩然齐文婧宁娅硼张志芳周美玲
Owner 北京交通大学海滨学院
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