▎ 摘　　要

NOVELTY - The utility model claims a copper strip unreeling device for producing graphene electrothermal film, comprising a laminating machine and a copper strip unreeling device movably set on two sides of unreeling mechanism of laminating machine; the copper strip unreeling device comprises: a side plate, a rotating shaft, a first blocking plate, and a rolling shaft; one end of the rotating shaft far away from the first baffle plate is provided with a first gear; the side plate is parallel to the rotating shaft; a fixing shaft is installed; the fixing shaft is rotatably mounted with a second gear engaged with the first gear through a bearing below the first gear; the bearing is in clearance fit with the fixing shaft; one end of the fixing shaft far away from the side plate is provided with a screw thread; the spring pressing mechanism for limiting the second gear to rotate is installed on the screw thread end of the fixing shaft; the fixed shaft is further provided with a baffle for limiting the movement of the second bearing; The copper strip unreeling device for producing graphene electrothermal film can adjust the rotating flexibility of the unreeling device, prevent the tension stability of the laminating machine caused by fast unreeling.