Clothing buttonhole punching device

The invention discloses a clothing buttonhole punching device. The punching device comprises a mounting frame, dotter bases and dotter bodies, a partition plate is fixed in the mounting frame, a sliding groove is formed in the partition plate, the plurality of dotter bases are connected into the sliding groove in a sliding manner, and supporting rods are fixed to the four corners of the top of themounting frame correspondingly. A top frame is fixed to the top ends of the supporting rods. An equidistant adjusting device is mounted in the top frame; the plurality of dotter bodies are mounted onthe equidistant adjusting device; the dotter bodies are arranged opposite to the dotter bases; the dotter bases are fixedly connected with the corresponding dotter bodies through U-shaped frames; theequidistant adjusting device comprises a reinforcing plate, a sliding plate, a rotating shaft, a driving rod, a driving column and an air cylinder, and the reinforcing plate is fixed to the middle ofthe top frame. The clothing