Automatic drilling device

The utility model relates to hole drilling, in particular to an automatic drilling device in the field of hole drilling. The automatic hole drilling device comprises a machine seat, wherein an X-axis feeding mechanism, a first Y-axis feeding mechanism, a second Y-axis feeding mechanism, a worktable, a conveying mechanism, a pushing mechanism, a workpiece clamping machine table, a positioning and drilling mechanism and a main drilling mechanism, the X-axis feeding mechanism comprises an X-axis driving part fixed to the machine seat and an X-axis sliding platform connected with the X-axis driving part, the X-axis sliding platform and the machine seat are a movable pair, and the first Y-axis feeding mechanism is arranged on the X-axis sliding platform and comprises a first Y-axis driving part and a first Y-axis sliding platform connected with the first Y-axis driving part. The automatic drilling device has the advantages of improving the drilling position accuracy and lowering errors.