Automatic induction umbrella rib punching machine tool

The utility model discloses an automatic induction umbrella rib punching machine tool which comprises a mounting plate, a sliding block is connected to the top of the mounting plate in a sliding mode, a mounting cavity is formed in the inner side wall of the mounting plate, an adjusting mechanism for adjusting the sliding block to move is arranged in the mounting cavity, and a fixing mechanism is arranged at the top of the sliding block. A side plate is fixedly connected to the top of the mounting plate, a top plate is fixedly connected to the outer side wall of the side plate, and a punching device body is fixedly connected to the bottom of the top plate. The first fixing block, the second fixing block, the fixing plate, the connecting rod, the movable plate and the spring are used in cooperation, the first fixing block and the second fixing block can fix a plurality of umbrella ribs of the same specification at the same time, under the cooperation of the positioning plate, the positions, to be punched, of t