Cutting assisting device for saw cutting of hollow protective film for aluminum plate

The utility model relates to the technical field of cutting assisting devices for hollow protective films, and discloses a cutting assisting device for saw cutting of a hollow protective film for an aluminum plate, which comprises a mounting bottom frame, a mounting vertical frame is welded above the mounting bottom frame, and a control box for controlling start and stop of a cutting box is fixedly connected to the left upper corner of the mounting vertical frame. And one side of the cutting box is rotationally connected with a cutting blade through a rotating shaft. According to the cutting assisting device for saw cutting of the hollow protective film for the aluminum plate, a hollow cylindrical protective film roll is placed on the rolling mechanism, so that the hollow cylindrical protective film roll can rotate at a constant speed, then a cutting blade is pressed downwards, and therefore redundant parts of the hollow cylindrical protective film roll are tidily sawed off layer by layer; the hollow cylindri