Tool for milling cambered surface of engine adjusting sheet

The utility model provides a tool for milling a cambered surface of an engine adjusting sheet. The tool comprises a positioning piece and a pressing unit, a plurality of adjusting columns are fixedly arranged on the upper end face of the positioning piece and distributed in a rectangular shape, a positioning groove capable of containing a workpiece is formed in the middle of the upper end of the positioning piece in the first direction in a penetrating mode, the positioning groove is located among the adjusting columns, a positioning block is arranged on the positioning piece and located in the positioning groove, and the end of the positioning piece is flush with the end of the positioning piece. The side wall of the positioning block is attached to one end of the workpiece and can limit the workpiece, the other end of the workpiece extends out of the positioning groove and is located on the outer side of the positioning piece, multiple sets of through holes are formed in the positioning piece in a penetrati