Efficiently-cooling printing head

• Main Authors: Zhong Zhenggen, Guan Lei, Shi Zimu
• Format: Patent
• Language: Chinese; English
• Published: 10.08.2016
• 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 invention relates to an efficiently-cooling printing head. The efficiently-cooling printing head comprises an extrusion device and a cooling device. The extrusion device comprises an extrusion pipeline and a heating mechanism. An inner cooling mechanism for cooling waste materials flowing reversely is arranged outside the extrusion pipeline and comprises an inner circulation sleeve and an inner circulation cavity, wherein the inner circulation sleeve and the inner circulation cavity surround the extrusion pipeline. An outer cooling mechanism for spray nozzle printing materials is arranged outside the inner cooling mechanism and comprises an outer circulation sleeve and an outer circulation cavity, wherein the outer circulation sleeve and the outer circulation cavity surround the heating mechanism. The efficiently-cooling printing head which can fully use cooling gas flow is provided. 本发明涉及种高效冷却打印头，包括挤出装置及冷却装置，挤出装置包括挤出管道及加热机构，挤出管道外设置有冷却逆流废料的内冷却机构，内冷却机构包括围绕挤出管道的内循环套及内循环腔，内冷却机构外设置有喷头打印材料的外冷却机构，外冷却机构包括围绕加热机构的