Drilling device for aluminum alloy window frame

The utility model discloses a drilling device for an aluminum alloy window frame. The drilling device comprises a workbench, a clamping unit and a drilling unit. The workbench is a cuboid, a groove isformed in the front end of the workbench, and the workbench is arranged on the workbench; the workbench is a cuboid, a sliding groove is formed in the front end of the workbench, and a clamping unitis arranged at the rear end of the upper surface of the workbench. Drilling unit: drilling unit: the drilling unit comprises a screw rod, an L-shaped fixed frame, a servo motor, a movable block, a motor, a drill bit and an L-shaped movable plate; the L-shaped fixing frame is fixed to the front end of the sliding groove. The two ends of the screw are rotationally connected with the rear end of thesliding groove and the L-shaped fixing frame correspondingly. The front end of the screw rod is connected with an output shaft of a servo motor, the servo motor is fixed to the front side of the L-shaped fixing frame, the middl