Cotton cloth slitting machine

A cotton cloth slitting machine relates to the technical field of cotton cloth processing devices and comprises a supporting roller, a plurality of electric heating knives are slidably arranged above the supporting roller in the axial direction of the supporting roller, the distance between every two adjacent electric heating knives can be adjusted, the electric heating knives are further arranged in a swinging mode with the horizontal line as the rotating center, and cleaning seats arranged in a swinging mode along with the electric heating knives are fixedly arranged below the electric heating knives. A cleaning hole matched with a cutter body of the electric heating cutter is formed in the cleaning seat, the cutter body of the electric heating cutter penetrates through the cleaning hole, the electric heating cutter is further arranged in a lifting mode in the vertical direction, a plurality of auxiliary cutting ring grooves matched with the cutter body of the electric heating cutter are formed in the circu