Angle-adjustable vertical numerical control drilling machine

The utility model belongs to the technical field of vertical numerical control drilling machines. The angle-adjustable vertical numerical control drilling machine comprises a machine frame, includinga base, two supporting plates are fixedly welded to the top of the base. The same transverse plate is fixedly welded to the tops of the two supporting plates; sliding grooves are formed in the sides,close to each other, of the two supporting plates. Sliding blocks are installed in the two sliding grooves in a sliding mode. The ends, close to each other, of the two sliding blocks extend out of thecorresponding sliding grooves. A first rotating groove and a second rotating groove are formed in the sides, close to each other, of the two sliding blocks correspondingly. And the same rotating column is rotationally installed in the first rotating groove and the second rotating groove, a motor is fixedly welded to the bottom of the rotating column, a drilling tool is fixedly welded to an outputshaft of the motor, and two