Creasing wheel for corrugated board

The utility model provides a creasing wheel for a corrugated board. The creasing wheel for the corrugated board comprises an inner paper creasing wheel and a facial paper creasing wheel, wherein the inner paper creasing wheel and the facial paper creasing wheel are matched mutually, and annular protrusions are arranged on a working face of the inner paper creasing wheel. According to the creasing wheel for the corrugated board, through reasonable improvement of the structure, when creasing is carried out, the facial paper creasing wheel and the inner paper creasing wheel are matched tightly, creases are flat and straight, positions are accurate, and proceeding of subsequent procedures of glue sticking or binding is effectively ensured. Due to the fact that the radian of the working face of the inner paper creasing wheel is small, inner paper can be effectively prevented from being damaged in the creasing process. The creasing wheel for the corrugated board is capable of creasing and indenting continuously and