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Three-dimensional printer and three-dimensional printing method thereof

A three-dimensional printer and three-dimensional printing technology, applied in the field of three-dimensional imaging, can solve the problems of long printing time, low object strength, separation of layers and layers, etc. Effect

Active Publication Date: 2017-11-28
PRINT RITE UNICORN IMAGE PROD CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The 3D printing head extrudes the filament on the 3D printing platform to form a three-dimensional entity. The printing head mainly uses the continuous extrusion of the imaging filament to extrude the molten filament through the exit of the extrusion nozzle, and then the molten filament Layers of materials are accumulated to form three-dimensional objects. Due to the layered accumulation method, the printing and molding time is generally very long, so there is a problem that the connection between the layers of the printing layer is only through the bonding of molten materials. After cooling, because the temperature of the material between the layers is different, the strength of the printed object is low, and after a period of time, it will cause the separation between the layers

Method used

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  • Three-dimensional printer and three-dimensional printing method thereof
  • Three-dimensional printer and three-dimensional printing method thereof
  • Three-dimensional printer and three-dimensional printing method thereof

Examples

Experimental program
Comparison scheme
Effect test

no. 1 example

[0038] refer to figure 1 , figure 1 It is a structural diagram of a three-dimensional printer 1. The three-dimensional printer 1 includes a three-dimensional printing platform 11, a print head 2, a Z-axis servo motor, a Y-axis servo motor, and an X-axis servo motor, all of which are installed in the frame of the three-dimensional printer. The Z-axis screw passes through the three-dimensional The printing platform 11 has a Z-axis servo motor connected to the lower end of the Z-axis screw, and guide rods are also arranged on both sides of the Z-axis screw.

[0039] refer to figure 2 , figure 2 It is the structural diagram of the X-axis guide rod, print head and laser device. The print head 2 is installed on the X-axis guide rod 12, and the X-axis guide rod is connected with the X-axis servo motor. Driven by the X-axis servo motor, the print head 2 can move along the X-axis, and the X-axis guide rod is also connected with the Y-axis guide rod. Rod (not shown), the Y-axis gu...

no. 2 example

[0045] refer to Figure 8 , under the same basic idea and principle of the first embodiment of the above-mentioned three-dimensional printer, the laser device 4 arranged on the printing head includes a rotating seat 41 and an emitting assembly, and the emitting assembly includes an emitting unit 42 and an emitting unit 43, and the emitting unit 42 and an emitting unit The unit 43 is arranged symmetrically with the axis of the extrusion nozzle, the emitting unit 43 is irradiated and heated toward the downstream area 45 of the advancing direction of the extrusion nozzle along the preset track, and the emitting unit 42 is directed towards the downstream area of ​​the advancing direction of the extrusion nozzle along the preset track 44 irradiation heating, and then realize the pre-heating of the lower model, which can better bond with the newly extruded molten silk, and can realize post-heating, and the newly extruded silk and The lower model is continuously heated, which can fur...

no. 3 example

[0048] refer to Figure 9 and Figure 10 , Figure 9 It is a structural diagram of the laser device and the printing head in the third embodiment of the three-dimensional printer, Figure 10 It is an exploded view of the structure of the laser device and the printing head in the third embodiment of the 3D printer. Under the same basic idea and principle of the first embodiment of the above-mentioned three-dimensional printer, the laser device 5 arranged on the print head includes a mounting seat 51 and an emitting assembly, the mounting seat 51 is arranged in a disc shape, and the diameter of the mounting seat 51 is larger than The diameter of the extrusion nozzle is set, the middle part of the mounting seat 51 is provided with a through hole 54, and two buckles 53 are arranged on the upward end surface of the mounting seat 51 close to the through hole 54, and the buckles 53 are arranged symmetrically. , the mounting seat 51 is sleeved outside the heating device of the prin...

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Abstract

The invention provides a three-dimensional printer and a three-dimensional printing method thereof. The three-dimensional printer comprises a three-dimensional printing platform and a printing head doing three-dimensional movement relative to the three-dimensional printing platform. The printing head moves according to a preset track and comprises an extrusion spraying nozzle. The three-dimensional printer further comprises a laser device which is used for carrying out illuminating heating on the peripheral area of the preset track towards the extrusion spraying nozzle. According to the three-dimensional printing method adopted by the three-dimensional printer, the extrusion spraying nozzle is tracked according to the preset track, and the peripheral area of the extrusion spraying nozzle is subjected to illumination heating. The bonding strength of silk materials is improved, so that a formed model has better strength.

Description

technical field [0001] The invention relates to the field of three-dimensional imaging, in particular to a three-dimensional printer and a three-dimensional printing method of the three-dimensional printer. Background technique [0002] A 3D printer, also known as a three-dimensional printer, is a machine that uses rapid prototyping technology. Based on digital model files, it uses molding materials to construct three-dimensional entities by layer-by-layer printing. Before printing, it is necessary to use computer modeling software to model, and then "partition" the built 3D model into layer-by-layer sections, that is, slices, so as to guide the 3D printer to print layer by layer. 3D printers have been widely used in the product manufacturing industry. The working principle of 3D printers is basically the same as that of traditional printers. It consists of control components, mechanical components, print heads, consumables (that is, molding materials) and media, and the pri...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B29C64/20B29C64/268B29C64/124B33Y10/00B33Y30/00
CPCB29C64/118
Inventor 何永刚苏健强
Owner PRINT RITE UNICORN IMAGE PROD CO LTD