Machining device and method for airplane component butt joint cylindrical nest

The invention belongs to the technical field of aircraft assembly, and relates to a machining device and method for an aircraft component butt joint cylindrical nest, the device comprises a drill plate and a drill bushing, the drill plate is of an L-shaped structure, the L-shaped structure comprises a product binding face and a product machining face, the drill bushing used for installing an automatic feeding drill is installed on the product machining face, and the drill bushing is installed on the product binding face. A mounting hole corresponding to a wing butt joint hole in position is formed in the product binding face, the product binding face is mounted on the end face of a to-be-machined product in the mode that a fixing pin penetrates through the mounting hole and the wing butt joint hole, a good effect is achieved in actual application, accuracy is high, stability is good, operation is easy and convenient, and the product binding face is suitable for being applied to the end face of the to-be-machi