Plastic packaging film cutting device

The utility model discloses a plastic packaging film cutting device which comprises a machine body, a conveying belt is movably installed in the machine body, a limiting device is movably installed on the left side of the top face of the machine body, and a cutter adjusting device is movably installed on the right side of the top face of the machine body. According to the scheme, the limiting device is arranged, a sliding plate can move in a sliding groove to drive a first connecting plate to move horizontally, meanwhile, a first hydraulic column can enable the limiting plate to move in the vertical direction, the limiting plate can fix the position of a thin film in the machining process, and the situation that the cutting effect is affected due to the position deviation of the thin film is prevented; therefore, the effect of improving the practicability of the device is achieved; and a cutter adjusting device is arranged, so that a gear can drive a second connecting plate to move, a cutter can adjust the co