Automatic film covering device

The embodiment of the invention discloses an automatic film covering device. The automatic film covering device is used for realizing automatic film covering of metal tapes, so that the product quality of optical cables is improved. The automatic film covering device comprises a power unit, a bracket, a guide rail, a heating plate, a control switch and a controller, wherein the power device, the guide rail and the controller are arranged on the bracket; the power device is connected with the heating plate; the heating plate comprises a first heating plate and a second heating plate, wherein the first heating plate is arranged on the guide rail, and the second heating plate is fixedly arranged on the bracket; the controller controls the heating plate to perform heating until a preset temperature is achieved; the power device drives the first heating plate to move towards a direction away from the second heating plate and arrive to a first preset position; the control switch sends a control signal to the contro