Steel plate cutting machine

The invention discloses a steel plate cutting machine, which belongs to the technical field, and comprises two symmetrically arranged side electric slide rails, a circumferential slide rail is arranged above the two side electric slide rails, the inner side of the circumferential slide rail is slidably connected with a circumferential cutting device, and the circumferential cutting device comprises a radial adjusting rod. An adjusting groove is formed in the middle of the upper surface of the radial adjusting rod in a penetrating mode, and a plasma cutting knife is arranged below the radial adjusting rod. The two side edge electric sliding rails can be folded, the side edge electric sliding rails penetrate through nylon bandages to facilitate overall carrying of the cutting machine, the side edge electric sliding rails can serve as levers, two persons can lift the cutting machine, carrying is easy and convenient, the equipment can lean against a workshop warehouse, the occupied space is small, a containing sp