▎ 摘　　要

NOVELTY - The utility model claims a fast cooling device for graphene 3 D printer, comprising a base; the inner side of the middle part of the base is provided with a connecting rod; and the top of the upper end rod is connected with a flat plate; the lower part of the outer side of the flat plate is provided with a guide groove; the outer surface of the fixing rod is fixed with an inner frame; and the bottom of the lower end of the inner frame is provided with a sliding block; and the connecting part of the sliding block and the base is provided with a sliding groove; the inner lower side of the inner frame is provided with a tension spring; and the upper side surface of the tension spring is connected with a connecting plate; the upper side of the inner frame is provided with a placing plate; the outer side of the base of the upper end is provided with a supporting column; and the upper side of the supporting column and the top plate are connected with each other; the middle part of the inner side of the top plate is provided with a connecting frame; and the inner part of the connecting frame is provided with a permeable plate; the lower part of the inner side of the top plate is fixed with a fixing frame; and the inner part of the fixing frame is provided with a fan. The fast cooling device for graphene 3 D printer is capable of fixing the raw material with different sizes, and then cooling the raw material.