Plate cutting machine

The utility model provides a plate cutting machine, and belongs to the technical field of building construction instruments. According to the technical scheme, the plate cutting machine comprises a cutting machine body, a slitting structure and a cooling structure, wherein a feeding opening is formed in the top wall of the cutting machine body, a discharging opening is correspondingly formed in the bottom wall of the cutting machine body, the slitting structure is arranged in the cutting machine body, and the cooling structure is arranged in the cutting machine body and matched with the slitting structure. The plate cutting machine is simple in structure, easy and convenient to operate and high in practicability, a cutting fret saw in the slitting mechanism slits a plate body in the continuous movement process, the cutting flatness of the plate body is further guaranteed, in the movement process of the cutting fret saw, one section of the cutting fret saw is located in an inner cavity of a cooling box all the