Food packaging bag code spraying device

The utility model discloses a food packaging bag code spraying device. The device comprises a conveyor belt, first brackets and second brackets, a first support is arranged on the rear side of the conveying belt. Code spraying devices are arranged at the lower ends of the first brackets; code spraying heads are arranged at the lower ends of the code spraying devices; a second support is arranged on the right side of the first support, the lower end of the second support is fixedly connected with the front side and the rear side of the upper end of the conveying belt, a movable plate is installed on the second support, a connecting rod is inserted into the movable plate, a connecting plate is arranged at the lower end of the connecting rod, and an iron roller is installed at the lower end of the connecting plate. The distance between the push plates on the two sides can be adjusted conveniently, and the bag pushing device is suitable for packaging bags of different sizes. And under theaction of the springs, th