Packaging bag ink marking device

The utility model relates to a packaging bag ink marking device, which relates to the printing of batch numbers and production dates of various packaging bags. The upper roller iron roller (6) in the ink cartridge (10) and the printing roller roller (2) are connected to each other by a belt (3). The two rollers are driven by the motor to rotate, and an ink roller is arranged at the middle of the two rollers ( 4) Connect the two roller shafts to the iron roller (6) with the swing telescopic arm (5), and install the pull spring (7) on the upper end of the swing telescopic arm. The other end of the tension spring is fixed on the bracket and the printing roller (2) The outer layer is equipped with a code (1), the upper part is equipped with a pressure roller (11), and the bag is placed in the middle of the two rollers. When the roller is rotated by the printing roller (2), the power belt (which is installed on the roller) 3) To drive the ink roller to rotate at the same time to complete the printing process of ink coating and packaging bags. With this marking machine device, printing can clearly improve production efficiency and reduce labor intensity.