Powder spreading system of 3D printer

• Main Authors: DUAN XIANYIN, ZHANG JIAN, HE XIANDI
• Format: Patent
• Language: Chinese; English
• Published: 07.07.2023
• 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 discloses a powder spreading system of a 3D printer. The powder spreading system comprises a working table top, a bearing frame vertically connected with the working table top, a scraping assembly arranged on the working table top, a driving assembly arranged on the bearing frame and used for driving the scraping assembly to move horizontally along the working table top, and a guiding assembly used for guiding the scraping assembly. The scraping assembly comprises a scraping support connected to the bearing frame in a sliding mode and a scraping plate arranged on the scraping support, and the position of the scraping plate can be adjusted along the scraping support. The device is reliable in structure and even in scraping, through the specific design of the powder supply area, the forming area and the recycling area, it is guaranteed that powder is evenly laid in cooperation with a scraping assembly in the using process, redundant powder is pushed into the recycling area to be recycled in a