Automatic puncher

The utility model discloses an automatic puncher, including the host computer platform and be located the auxiliary engine platform of host computer platform both sides, the rear side of host computer platform is provided with the support of " 7 " font, the upper end of support is located the middle part top of host computer platform, the horizontal pole tip of support is provided with vertical T type groove, install drilling equipment in the T type groove, drilling equipment includes T type slider and connects in the rig of T type slider front side, T type slider is installed in T type groove and can be followed T type groove and reciprocates, the downside of host computer platform is provided with the running -board, be provided with the litter that can reciprocate in the montant of support, the litter is connected with the rear end of running -board and is promoted to reciprocate by the running -board, the litter lower extreme is connected with reset spring, be provided with the lever in the horizontal pol