Anti-corrosion chassis of air knife slitting machine used for stationery adhesive tape

The invention discloses an anti-corrosion chassis of air-knife slitting machine used for stationery adhesive tape, which comprises a disc-shaped main body, wherein the outer surface of the main body is sprayed with synthesis plastic, the main body is composed of an upper layer, a lower layer and a middle layer which connects the upper layer and the lower layer, an upward bulging cylinder with a diameter of 300 mm is arranged in the central position of the upper layer, upper through-holes and lower through-holes are arranged in the upper layer and the lower layer respectively, the number of the upper through-holes is more than that of the lower through-holes, and the size of the upper through-holes is smaller than that of the lower through-holes, equally- distributed jagged teeth are fixed in the middle layer, one end of the teeth is aligned with the lower through-holes. According to the anti-corrosion chassis of air-knife slitting machine used for stationery adhesive tape, the main body comprises the upper la