Metal plate film covering device with adjustment function

The invention discloses a metal plate film covering device with an adjustment function. The metal plate film covering device comprises a film covering box, the film covering box is internally providedwith a film covering cavity, a transmission cavity and a clipping cavity, wherein the transmission cavity and the clipping cavity are located below the film covering cavity, the clipping cavity is located on the right side of the transmission cavity, the front wall of the film covering cavity is rotatably provided with a rotating shaft, the rotating shaft is fixedly provided with a driving chainwheel, and the driving chain wheel is provided with a chain in an engaged manner. According to the metal plate film covering device with the adjustment function, an adjustment block is adopted to moveupwards to drive a ratchet strip to move to right to tension a tightening wheel, so that tightening of a plastic film is adjusted, metal plate cleaning before film covering is realized by adopting ascraping plate, the fact tha