Discharging device of 3D printer

The utility model provides a discharging device of a 3D printer. The discharging device comprises a charging barrel and a needle head, a discharging pipe is connected to the bottom of the material barrel, a plurality of fixing handles are arranged on the outer wall of the end, close to the material barrel, of the discharging pipe, a plurality of limiting hinges are arranged on the outer wall of the end, close to the material barrel, of the needle head, and the limiting hinges are connected with the fixing handles in a matched mode. According to the discharging device of the 3D printer, the problem that time is consumed when a printing needle head is disassembled in an operation is solved, and the problem that the needle head is prone to sliding when clamped is solved. 本实用新型提供一种3D打印机的出料装置，包括料筒和针头；所述料筒底部连接有出料管，所述出料管近料筒端外壁设有若干固定柄，所述针头近料筒端外壁设有若干限位页，所述限位页与固定柄配合连接；本实用新型的3D打印机的出料装置不仅解决了术中打印针头拆卸耗时的问题，而且解决了针头夹持时易滑动的问题。