Paper plastic package box plane pattern printing device

The invention provides a paper plastic package box plane pattern printing device. The device comprises a conveying mechanism and a plane pattern printing unit. The conveying mechanism comprises a guide rail and a pushing mechanism, the pushing mechanism is used for pushing a paper plastic package box in the direction of the guide rail, the plane pattern printing unit is arranged on the guide rail,the plane pattern printing unit comprises an ink output mechanism and a printing assembly, the ink output mechanism and the printing assembly are connected, the ink output mechanism is used for providing ink to the printing assembly, the printing assembly is provided with a pattern printing plate, the pattern printing plate can be attached with ink, a printing pattern can be formed, the printingassembly can make contact with the end face of a paper plastic packaging box, and the printing pattern is printed on the end face of the paper plastic packaging box. Compared with the prior art, the paper plastic package box p