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Silk material extrusion device for 3D printer nozzle

A technology of 3D printers and extrusion devices, which is applied to coating devices, 3D object support structures, additive manufacturing, etc. It can solve problems such as wire sticking, influence of feeding accuracy, and abnormal wire feeding, etc., to meet the requirements of feeding Accuracy requirements, easy loading and unloading of wire materials, and the effect of avoiding sticking

Inactive Publication Date: 2017-05-31
ZHEJIANG SHENGTAI DEFENSE TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] 1. The feeding device is prone to wear and tear during the working process, which will lead to problems such as abnormal wire feeding and unstable wire feeding;
[0006] 2. Some of the feed inlet and outlet of the existing feeding device are too small, and some are too large. If the wire is too small, if there is some deviation or deformation, it is easy to cause stuck phenomenon, and if it is too large, it will affect the feeding accuracy. influences

Method used

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  • Silk material extrusion device for 3D printer nozzle
  • Silk material extrusion device for 3D printer nozzle
  • Silk material extrusion device for 3D printer nozzle

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0021] Embodiments of the present invention will be further described below in conjunction with accompanying drawings:

[0022] As shown in the figure, a wire extruding device for a nozzle of a 3D printer includes a driving device 1 and an elastic base 2; the driving device 1 includes a motor 11 and a gear 12, and the gear 12 is sleeved on the motor 11 On the output shaft; the elastic base 2 includes a base 21, a handle 22, a guide wheel 23 and a spring 24 between the base 21 and the handle 22, and the two ends of the spring 24 are respectively against the base 21 and the handle 22 The output shaft of the motor 11 passes through the base 21, and the base 21 is fixed to the motor 11; the base 21 is provided with a first rotating shaft 25, and the handle 22 is sleeved on the first rotating shaft 25; the handle 22 A second rotating shaft 26 is arranged on the top, and the guide wheel 23 is sheathed on the second rotating shaft 26 .

[0023] The base 21 and the handle 22 are resp...

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Abstract

The invention discloses a silk material extrusion device for a 3D printer nozzle. The silk material extrusion device comprises a driving device and an elastic base. The driving device comprises a motor and a gear. An output shaft of the motor is sleeved with the gear. The elastic base comprises a base body, a handle, a guide wheel and a spring located between the base body and the handle, and the two ends of the spring abut against the base body and the handle correspondingly. The output shaft of the motor penetrates through the base body, and the base body is fixed to the motor. The base body is provided with a first rotary shaft sleeved with the handle. The handle is provided with a second rotary shaft sleeved with the guide wheel. The silk material extrusion device has high feed precision and reliability and is simple in structure and low in cost.

Description

technical field [0001] The invention relates to the field of an FDM fused deposition 3D printer, in particular to a filament extruding device of a nozzle. Background technique [0002] The idea of ​​3D printer originated at the end of the 19th century and was developed and promoted in the 1980s. Its scientific name is "rapid prototyping". The principle of the FDM fused deposition 3D printer is that the thermoplastic filamentary material is sent from the filament extrusion device to the hot melt nozzle, and heated and melted into a semi-liquid state in the nozzle, and then extruded, selectively coated in the work On the table, after rapid cooling, a layer of sheet contour with a certain thickness is formed. After the cross-section of a layer is formed, the workbench is lowered to a certain height, and then the next layer is deposited, and so on, and finally a three-dimensional product part is formed. [0003] The feeding speed and pressure of the wire extrusion device of the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B29C64/118B29C64/209B33Y30/00
CPCB33Y30/00
Inventor 潘永正陈灵敏芦志坚陈礼刚应军
Owner ZHEJIANG SHENGTAI DEFENSE TECH CO LTD
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