Adjustable imprinter assembly

The adjustable stamping knife assembly includes an upper knife and a lower knife. The blade of the upper knife adopts a circular arc shape, the middle knife of the lower knife is the main body, the left knife and the right knife are fixed on the middle knife with threads, the blades of the left knife and the right knife are all rounded, and two positioning balls are respectively In the pit on the middle knife, the outer part is provided with a spring, and the outer part of the spring is provided with a countersunk head screw to connect with the left knife and the right knife respectively. This kind of adjustable imprinting knife assembly adopts arc-shaped design because of the cutting edge of the upper knife, which can avoid the phenomenon of breakage after stamping in the conventional carton, and it is not necessary to withdraw the transmission shaft when the impression width needs to be replaced, and only need to loosen the lower knife. Two countersunk head screws, rotating left and right knives can adjust the required embossing width, save switching time, and increase production efficiency.