3D 3D Printer for Raiser the Spray Efficiency OF Filament

The present invention relates to a three-dimensional printer which is capable of preventing damage of a filament or deterioration of printer quality by appropriately maintaining humidity of the filament positioned within a main body of a supply unit. A three-dimensional printer with increased filame...

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Bibliographische Detailangaben
1. Verfasser:	KIM, CHEON WHAN
Format:	Patent
Sprache:	eng ; kor
Schlagworte:	ADDITIVE MANUFACTURING TECHNOLOGY ADDITIVE MANUFACTURING, i.e. MANUFACTURING OFTHREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVEAGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING,STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING PERFORMING OPERATIONS SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS TRANSPORTING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Beschreibung
Zusammenfassung:	The present invention relates to a three-dimensional printer which is capable of preventing damage of a filament or deterioration of printer quality by appropriately maintaining humidity of the filament positioned within a main body of a supply unit. A three-dimensional printer with increased filament spray efficiency of the present invention comprises: the supply unit which receives and draws out the filament; a feed roller which guides a pointed end part of the filament drawn out from the supply unit; and a printer head which is positioned in one side of the feed roller to melt a transferred filament by a heating unit and spray a melted filament by a nozzle. The supply unit includes: a main body which has the filament positioned to be rotated at an inner side thereof, and in which a drawing hole for drawing out the pointed end part of the rotated filament to the outside is provided; a drawer which is rotatably installed inside the drawing hole to guide drawing and direction of the filament that is being drawn; and an oil supplier which is installed at an outer portion of the drawing hole to supply oil to an outer surface of the filament that is being drawn. 본 발명은 공급부의 본체 내부에 위치된 필라멘트의 습도를 적정하게 유지하여 필라멘트의 손상과 프린터 품질이 떨어지는 것을 방지할 수 있는 3D 프린터에 관한 것으로서, 그 특징적인 구성은, 필라멘트가 수용되어 인출되는 공급부, 상기 공급부로부터 인출되는 필라멘트의 첨단부를 안내하는 피드롤러, 상기 피드롤러의 일측에 위치되어 전달되는 필라멘트를 가열부로 용융시키고, 용융된 필라멘트를 구비된 노즐로 분사하는 프린터헤드를 포함하는 3D 프린터에 있어서, 상기 공급부는 내측으로 필라멘트를 회전되게 위치시키고, 회전되는 필라멘트의 첨단부를 외부로 인출시키는 인출공이 구비된 본체; 상기 인출공의 내측에 회전되게 설치되어 인출이 이루어지는 필라멘트의 인출과 방향을 안내하는 인출기; 및 상기 인출공의 외측부에 설치되어 인출이 이루어지는 필라멘트의 외부 표면에 오일을 공급하는 오일공급기를 포함하여 구성된다.