Label paper steel seal device

The utility model relates to a cigarette packaging machine and particularly relates to a label paper steel seal device of the cigarette packaging machine. The label paper steel seal device comprises a steel seal seat and a steel seal, wherein a trapezoidal mounting block is arranged at the upper part of the steel seal seat, a plurality of mounting holes are formed in the top of the mounting block, the steel seal is of a T-shaped structure, a mounting rod is arranged at the lower part of the steel seal, the mounting rod is arranged in the mounting hole in a penetrating way, an encoding block is arranged at the upper part of the steel seal, and the encoding block is arranged in a way of being protruded out of the mounting holes; and a positioning port is arranged on the side wall of the mounting block, a screw is arranged in the positioning port, and the screw pushes against the mounting rod for positioning. The steel seal device disclosed by the utility model is changed from an integral design to a split desig