Discharging device of a three dimensional printer and the three dimensional printer

A discharging device includes a discharging head, a shielding member, and a driving mechanism. The discharging head is formed with a discharging opening at a bottom end. The discharging opening is used for discharging a material which is thermally formed into a melting filament. The shielding member...

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Bibliographische Detailangaben
Hauptverfasser:	TSENG, I-LIN, MAO, CHING-LUNG, HSU, MING-HUNG, CHAN, HSUN-HAO, HOU, IUNG
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	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:	A discharging device includes a discharging head, a shielding member, and a driving mechanism. The discharging head is formed with a discharging opening at a bottom end. The discharging opening is used for discharging a material which is thermally formed into a melting filament. The shielding member is connected to the discharging head and is movable relative to the discharging head. The shielding member is formed with an opening in communication with a bottom of the discharging opening, and is used for discharging the material. The driving mechanism is used for driving the shielding member to move along a moving direction relative to the discharging head, so as to adjust an area of the opening to be in communication with the discharging opening. Thus, a flow rate of the material can be controlled, a printing speed and efficiency can be enhanced effectively, and a printing time can be reduced.