3DP printing device

The utility model belongs to the field of 3D printing equipment, and particularly relates to a 3D printing device which comprises a main machine and an auxiliary machine, the main machine comprises a powder spreading device, a printing device and a printing cylinder, the auxiliary machine comprises...

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Bibliographische Detailangaben
Hauptverfasser:	YANG MINGZHOU, QIN XIAOYU, XIONG YUECHUN, ZHENG QINGWEI, WU JUAN'E, CHEN GONGJU, ZHOU ZHICHANG, JIN FENG
Format:	Patent
Sprache:	chi ; eng
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 utility model belongs to the field of 3D printing equipment, and particularly relates to a 3D printing device which comprises a main machine and an auxiliary machine, the main machine comprises a powder spreading device, a printing device and a printing cylinder, the auxiliary machine comprises a powder tank, a powder mixing device and a hopper, the main machine further comprises a powder pumping fan and a cleaning gas tank, and the powder pumping fan and the cleaning gas tank are arranged at the top of the main machine. A tee joint is arranged at a negative pressure inlet of a powder discharging hopper of the powder laying device, a powder pumping fan is connected with the tee joint through a vacuumizing pipe, a cleaning gas tank is connected with the tee joint through a cleaning gas pipe, an electromagnetic valve is arranged between the cleaning gas tank and the cleaning gas pipe, a filter element is arranged at a negative pressure inlet of the tee joint, and the powder discharging hopper of the powder