▎ 摘　　要

NOVELTY - The utility model claims a graphene thin film by drying device, comprising a box body, wherein the box body is provided with a roller wheel, a second roller wheel, a roller wheel is set under the roller wheel, the second roller wheel is set under the roller wheel four; inner surface of the box back plate is provided with a cylinder, the cylinder is set with adjusting plate, the cylinder is connected with the adjusting plate by a piston rod, a roller wheel is provided with a heating plate, roller wheel is provided with a heating plate two, a roller wheel four is provided with a heating plate, the roller wheel is provided with a heating plate below the second four. the adjusting plate is provided with a fixing rod I and the fixing rod II, an upper rotating fixing rod one is connected with a connecting sheet and a second connecting sheet, an upper rotating fixing rod two is connected with the third connection sheet and connecting sheet four, the lower ends are respectively connected with the heating plate, the heating plate two, heating plate and the heating plate are rotatably connected. The advantages of this utility model are: the heating plate can be adjusted, good drying effect, the graphene film has protection effect, and convenient use.