Positioning device for movable bottom plate of working box of 3D printing equipment

• Main Authors: ZHOU ZHIJUN, YANG BAONING, MAI HENGJIA, REN JIANXI, HE JIEJUN
• Format: Patent
• Language: Chinese; English
• Published: 03.11.2020
• 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; CASTING; FOUNDRY MOULDING; PERFORMING OPERATIONS; POWDER METALLURGY; TRANSPORTING

The invention relates to a positioning device for a movable bottom plate of a working box of 3D printing equipment, and belongs to the technical field of 3D printing. The positioning device is used for solving the problems that the movable bottom plate of the working box is difficult to position again after position deviation in the operation process and scratches the side wall of the working box,and the positioning device comprises the movable bottom plate, a fixed bottom plate and positioning mechanisms; the movable bottom plate is arranged in the working box and located above the fixed bottom plate, the positioning mechanisms are arranged on the fixed bottom plate, and the working box is defined by the fixed bottom plate and four walls; and the four corners of the fixed bottom plate are each provided with one positioning mechanism, and the face, opposite to the fixed bottom plate, of the movable bottom plate is provided with structures matched with the positioning mechanisms, so that positioning is achieve