Paperboard double-sided printing equipment and process for producing carton packaging box

The invention relates to the technical field of paperboard printing, in particular to paperboard double-sided printing equipment and process for producing a carton packaging box. The equipment and the process are used for solving the problem that in the prior art, double-sided printing equipment cannot be used for printing description contents on the inner layer and the outer layer of a carton more conveniently. The equipment comprises a machine body and printing machines, wherein a sliding groove is formed in the top surface of the machine body, two sliding plates are arranged in the sliding groove, adjusting mechanisms and the printing machines are arranged on the sliding plates, the printing surfaces of the two printing machines are located in a printing passage and are oppositely arranged, a conveying mechanism is arranged in the sliding groove, vertical plates are arranged at the two ends of the machine body, a horizontal plate is arranged between the two vertical plates, and a clamping assembly is arran