Head punching device for efficient printing of rotary press

The utility model relates to the field of rotating machines, in particular to a top punching device for efficient printing of a rotating machine, which comprises a rotating roller, a fixing block, a connecting block, a fastening bolt and a cutter, a strip-shaped first groove is formed in the outer side face of the rotating roller in the axial direction of the rotating roller, and the fixing blockis fixedly arranged in the first groove in the axial direction of the rotating roller. A cutter is arranged between the fixing block and the connecting block, the fixing block, the connecting block and the cutter are fastened and connected through fastening bolts, and the cutting edge end of the cutter is located outside the first groove; the tool is characterized in that the tool comprises end parts and tooth hole parts, the end parts are located at the two ends of the tooth hole parts, and the end parts are flat. The structure of the punching cutter is improved, the two ends of the head of the section are not punche