Pull-down high-speed punching machine

The invention relates to a pull-down type high-speed punching machine which comprises a base and a transmission component, the transmission component is arranged in the base, a workbench is arranged at the upper end of the base, a sliding block driven by the transmission component is arranged above the workbench, the transmission component comprises a crankshaft, a connecting rod assembly, a balance block and a pull plate, and a flywheel in driving connection with the crankshaft is arranged outside the base. The balance block is movably arranged in the base through a first guide column and located above the crankshaft, the two pulling plates are symmetrically arranged on the two sides of the balance block and connected with the sliding block through second guide columns respectively, the crankshaft is connected with the balance block and the pulling plates through toggle type connecting rod assemblies so as to drive the balance block and the pulling plates to move up and down, and the pulling plates drive the