Zero-emission pollution-free gravure direct printing machine and printing process

The invention discloses a zero-emission pollution-free gravure direct printing machine and a printing process, and relates to the technical field of printing machines. The zero-emission pollution-free intaglio direct printing machine comprises a cloth winding and unwinding roller, a printing roller assembly and a drying box, and the drying box is jointly arranged at the upper end of the cloth winding and unwinding roller and the upper end of the printing roller assembly; the printing roller assembly comprises a driving roller, a gravure roller, a guide roller, an air inlet pipe, an air outlet pipe, a rotating plate, a positioning plate and a mounting plate, and a first end extending pipe and a second end extending pipe are arranged at the two ends of the driving roller. According to the zero-emission pollution-free intaglio direct printing machine and the printing process, the drying box is arranged at the upper end of the cloth winding and unwinding roller and the upper end of the printing roller assembly to