Automatic drilling device

The utility model provides an automatic drilling device, and particularly relates to the technical field of oil hole drilling, which comprises a support component and a rotating plate arranged on the support component, the first switching assembly is installed on the supporting assembly, the first switching assembly comprises a self-locking device and a driving device, the self-locking device and the driving device are arranged between the supporting assembly and the rotating plate, and the driving device is used for driving the rotating plate to rotate with the self-locking device as the center; the clamping assembly is rotatably arranged on the rotating plate; the oil drilling device solves the problems that in the prior art, a straight oil drilling device and an inclined oil drilling device are inconvenient to switch, when oil holes are machined, the position sizes of the oil holes and the circumferential indexing angles of the multiple oil holes are not accurate, the machining precision of the oil holes i