Drilling and arc grinding assembly line

The utility model relates to the technical field of brake pad machining, in particular to a drilling and arc grinding assembly line which comprises machining equipment, a transmission line is arranged on one side of the machining equipment, a drilling mechanism is installed on one side of the bottom of the machining equipment, and an arc grinding mechanism is installed on the other side of the bottom of the machining equipment. A goods outlet is formed in one side of the containing table, a goods discharging plate is fixedly connected to an inner cavity of the goods outlet, a goods storage plate is arranged below the bottom end of the goods discharging plate, a drill bit mold is installed at the bottom end of the drilling mechanism, four connecting pieces are fixedly connected to the inner wall of the drill bit mold, and a movable ring is movably connected to the outer side of the drill bit mold. And four first magnets are fixedly connected to the inner wall of the movable ring, so that a novel connecting dev