Adjustable inductance core machining punching machine

The utility model relates to the technical field of inductance magnetic core machining, in particular to an adjustable inductance magnetic core machining punching machine. The punching device comprises a workbench, working frames, a punching head and a punching die, the two working frames are fixedly connected to the upper portion of the workbench, a top plate is connected between the two working frames through a lifting assembly, a first motor is arranged at the bottom of the top plate, the output end of the first motor is fixedly connected with a mounting plate, and the bottom of the mounting plate is fixedly connected with a connecting frame; a connecting frame is arranged on the workbench, a punching head is clamped in the connecting frame, a through hole is formed in the connecting frame, a first clamping groove communicated with the through hole is formed in the punching head, a first fixing assembly matched with the through hole and the first clamping groove is arranged on the mounting plate, a punchin