Punching machine for automobile exhaust pipe

The invention relates to the technical field of exhaust pipe machining machinery, in particular to an automobile exhaust pipe punching machine which comprises a base, a lower die base, an upper die base, a punching inner plate, a limiting device and a discharging device, the base is fixedly installed on the ground, the lower die base is fixedly installed on the base, the upper die base is installed over the lower die base, and the lower die base is fixedly installed on the upper die base. The upper die base is installed on the base in a sliding mode, the punching inner plate is installed on the lower die base in a rotating mode, the limiting device is fixedly installed on the lower die base, and the discharging device is fixedly installed on the base. An operator needs to carry out feeding and discharging operation at a punching machining center, so that the safety problem that the operator is bruised or fractured by a punching machine under the condition that a switch is mistakenly touched or hands are not w