Part overturning, positioning and drilling device

The utility model discloses a part overturning positioning drilling device, which relates to the technical field of machining drilling and comprises a bottom plate, vertical plates are distributed above the bottom plate, an overturning support is arranged on the left side of the leftmost vertical plate, an overturning air cylinder is arranged above the overturning support, an output end of the overturning air cylinder is connected with an overturning shaft, and the overturning shaft is connected with an output end of the overturning air cylinder. The two ends of the overturning shaft penetrate through the upper portions of the vertical plates, a clamping part is arranged in the middle of the overturning shaft, and a limiting part is arranged on the right side of the clamping part and arranged on the side of the rightmost vertical plate. By means of the automatic overturning and positioning system, drilling operation can be completed rapidly and accurately, production efficiency is improved, accurate clamping