Round pipe punching machine

The utility model provides a round pipe punching machine. Desktop, a punching machine frame and a clamping hand assembly are arranged on the table top. Wherein a plurality of punching assemblies are arranged in the punching machine frame, each clamping hand assembly comprises a machine table, a plurality of clamping hand plates which take a middle rotating shaft as the center, are arranged at thefront end of each machine table in a circumferential array mode and are used for clamping round pipes, and push-pull assemblies which are used for pushing and pulling the round pipes in the clamping hand plates and are matched with the punching assemblies are arranged on each machine table. The hand clamping plates are arranged in a scattering mode, the vertical heights of the hand clamping platesare different when the hand clamping plates rotate to different positions, the punching bases and the push-pull rod air cylinders at different positions are arranged according to the characteristic,punching of different posit