▎ 摘　　要

NOVELTY - The utility model belongs to graphene preparation technical field specifically relates to a graphene preparation placing bracket, comprising a base, the top surface of the base is fixedly provided with a mounting frame one and a mounting frame two, the top surface of the base of the mounting frame one and the mounting frame two back are fixedly mounted with a connecting seat, the connecting seat screw thread is connected with one end of the connecting rod, the mounting frame I and the mounting frame II are slidingly inserted with a plurality of mounting frames, four corners of the mounting frame are rotatably mounted with four elastic connecting pieces, one end of the elastic connecting piece is hooked with a connecting hole opened at the corner of the graphene substrate, a plurality of mounting frames can be independently located, and convenient loading and unloading, it is greatly convenient for mounting the graphene substrate, the outer heat insulation pipe and the inner heat insulation plate can isolate the external heat, and the use performance of the spring is ensured.