Marking operation assembly line of bolt casing pipe for railway

The invention discloses a marking operation assembly line of a bolt casing pipe for a railway. The marking operation assembly line comprises a feeding mechanism, a marking and locating device, a receiving mechanism and a packing machine, wherein the feeding mechanism, the marking and locating device, the receiving mechanism and the packing machine are connected end to end in sequence. A discharging opening of the packing machine is provided with a stacking-up robot, a marking machine is arranged above the marking and locating device, and a controller is arranged below the marking and locatingdevice. The feeding mechanism, the marking and locating device, the packing machine of the receiving mechanism, the stacking-up robot and the marking machine are separately connected with the output end of the controller. The marking operation assembly line of the bolt casing pipe for the railway integrates the charging, marking and locating, collection and arrangement, transportation, packing ofthe bolt casing pipe and stacking-up and collection of a package body, so that the marking operation assembly line of the bolt casing pipe for the railway can perform the marking operation of the boltcasing pipe automatically, can perform clamping adjustment according to the type of the bolt casing pipe, and can meet the marking requirements of various types of bolt casing pipes; and the markingoperation assembly line of the bolt casing pipe for the railway is able to pack and stack the marked bolt casing pipe and high in intelligence degree.