Die cutting device

The utility model belongs to the field of corrugated paper board production, particularly relates to a die cutting device, and provides the following scheme aiming at the problems that the existing die cutting device is low in corrugated paper processing continuity, and a plurality of pieces of corrugated paper are inconvenient to process at the same time during die cutting. The die cutting device comprises a die cutting control base, two conveying rollers, a conveying belt, a connecting plate, two control plates, an adjusting assembly, three die cutting heads and three mounting assemblies, the two conveying rollers are rotationally connected to the die cutting control base, the conveying belt is in transmission connection with the two conveying rollers, a stepping motor is fixedly mounted on one side of the die cutting control base, and the connecting plate is connected with the adjusting assembly. And an output shaft of the stepping motor is fixedly connected to the conveying roller, a moving groove is form