The utility model belongs to the technical field of machining equipment and specifically relates to an ink recorder is beaten on line to portable steel sheet of frame. It includes: but Y to moving platform, platform walking motor, platform travel drive gear, X to moving platform, X to transfer drive motor, drive gear, beat the ink recorder head, beat ink recorder head driving motor, beat sign indicating number cylinder and X to the rack. It beats the sign indicating number to one whole steel sheet, and it is high to beat code efficiency, can realize the automatic sign indicating number of beating, need not dependent manual operation, also need not workman's material loading, can regard as a constitution of yoke plate production line, does benefit to online automatic continuous production,can avoid beating the ink recorder when beating simultaneously the sign indicating number and strike the deformation that causes to the steel sheet.