Quick-release spray head assembly and 3D printer

• Main Authors: CHEN LEI, TANG JINGKE, LI ZHONGHAO
• Format: Patent
• Language: Chinese; English
• Published: 29.07.2022
• Subjects: 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

The utility model provides a quick-release spray head assembly and a 3D printer with the quick-release spray head assembly, the quick-release spray head assembly comprises an extrusion mechanism and a spray head mechanism, and the spray head mechanism is detachably connected with the extrusion mechanism. The extrusion mechanism is connected with a fixing piece, and a conical hole is formed in the fixing piece; a connecting piece is arranged at the end, connected with the extrusion mechanism, of the spray head mechanism, a conical boss is arranged on the connecting piece, when the spray head mechanism is connected with the extrusion mechanism, at least part of the conical boss is contained in the conical hole, the outer surface of the conical boss abuts against the inner surface of the conical hole, and position fixing and quick release connection of the extrusion mechanism and the spray head mechanism are achieved. And the connection stability of the nozzle mechanism and the extrusion mechanism is ensured. 本申