Turnover punching and tapping device for aluminum shell machining

The utility model discloses an overturning punching and tapping device for aluminum shell machining. The overturning punching and tapping device comprises a bottom plate, a supporting plate, a driving part and a transmission device. The supporting plate is rotationally arranged on the bottom plate and used for fixing a workpiece to be machined. The driving part is used for driving the supporting plate; the transmission device is arranged on the bottom plate, and the driving piece drives the supporting plate to rotate through the transmission device; the transmission device comprises a supporting base arranged on the bottom plate, a rotating base rotationally connected with the supporting base and a connecting block rotationally connected with the rotating base. One end of the connecting block is connected with the rotating seat, and the other end of the connecting block is rotationally connected with a power output shaft of the driving part. The turning punching and tapping device for aluminum shell machining