▎ 摘　　要

NOVELTY - The utility model claims type rotary type 3 D printer for high-toughness and high-strength graphene, comprising a chassis, the top end of the chassis is provided with a pushing assembly, a printing assembly, a self-cleaning assembly and a frame, the top end of the frame is fixed with an automatic switch assembly. In the utility type, the first driving motor of the pushing assembly can push the tray through the first screw rod, until the brush wire is located at the position of the centre of the tray surface and the second driving motor can drive the tray to rotate through the rotating shaft, the rotating tray can rub with the brush wire without breaking, namely it can automatically clean the tray, the nut of the self-cleaning assembly can be loosened, after loosening, the height of the fixing plate and the brush wire can be adjusted, then the fifth driving motor of the automatic switch assembly can drive the four transparent plates to move up and down by the fourth screw rod, it is convenient for automatically opening or closing, it saves time and labour, and by automatically opening the four transparent plates can accelerate the speed of radiating the 3 D printer inner part