Steel coil cutting equipment comprises a charging frame 1, a coil feeding trolley device 2, a tensioning shaft 5, an uncoiling device 6, a transmission pinching device 7, a centering device 8, a firstroller conveying device 9, a leveling device 10, a first buffer device 11, a second buffer device 12, a centering device 13, a second roller conveying device 14, a transverse cutting device 15, a receiving conveyor belt 16 and a receiving trolley device 19, and the components are mutually and fixedly connected or connected through conveyor belts or separately fixed to the ground, so that a complete set of continuous operation line equipment is formed; and all the components are connected with a motor which is controlled by a PLC system. In this way, the automation equipment uncoiling, flattening and cutting steel coils into steel plates of certain sizes adopts a PLC program for controlling the system process, the steel coils can be continuously and automatically cut on an automatic equipment production line, thus, the steel coil automatic operation of the steel coil cutting equipment and automatic completion of the fixed-length steel plates are achieved, manual operation is not needed, labor is saved, and the production efficiency is high.