Punching machine

The utility model discloses a punching machine, construct and driving system with positioning die, the punching machine who sets up in the frame including the frame, the last work groove that supplies the work piece to place that is equipped with of positioning die, the work inslot is equipped with the constant head tank that supplies the work piece to set, it all is equipped with the track groove to lie in both ends position department on the both sides cell wall in work groove, the track inslot all slides and has set the slider, is located work groove both sides and is in two of coplanar fixedly connected with clamp plate between the slider, the tank bottom in track groove sentence and the lower surface of slider on all be equipped with with driving system circuit signal connection's electro -magnet no. 1, can the light replacement work of same batch of work piece of realization on positioning die. 本实用新型公开了种冲孔机，包括机架和设置在机架上的定位模具、冲孔机构以及动力系统，所述定位模具上设有供工件放置的工作槽，所述工作槽内设有供工件嵌置的定位槽，所述工作槽的两侧槽壁上位于两端位置处均设有轨道槽，所述轨道槽内均