High-speed punching machine with dynamic balance mechanism

The utility model discloses a high-speed punching machine with a dynamic balance mechanism, which comprises a punching machine head, the punching machine head comprises a headstock, a crankshaft driving mechanism, a sliding block connecting rod assembly eccentrically installed on the crankshaft driving mechanism and the dynamic balance mechanism eccentrically installed on the crankshaft driving mechanism, and the eccentric direction of the dynamic balance mechanism is opposite to that of the sliding block connecting rod assembly. The dynamic balance mechanism is provided with a balancing weight and at least two balancing weight connecting rod assemblies, I-shaped balance parts are symmetrically formed at the left end and the right end of the balancing weight respectively, a pair of guide holes is formed in the middle of the balancing weight, a guide rod is arranged in each guide hole, and the middle of the balancing weight is installed on the headstock in a sliding mode through the guide rods. The two ends of