Corrugated paper creasing device for packaging box

The utility model discloses a corrugated paper creasing device for a packaging box, which belongs to the technical field of packaging box processing and comprises two symmetrically arranged side plates, and a distance adjusting mechanism and a cutting mechanism are connected between the two side plates. The distance adjusting mechanism comprises two symmetrical first base bodies, second lead screws and a power mechanism, wherein the two ends of the first base bodies are fixedly connected with the two side plates correspondingly, the second lead screws are rotationally connected between the two side plates and located in the base bodies, and the power mechanism is located in one side plate and enables one ends of the two second lead screws to be in transmission connection. The creasing mechanism and the distance adjusting mechanism are arranged, the position of the creasing mechanism can be adjusted through the distance adjusting mechanism, meanwhile, the creasing mechanism has the function of adjusting the or