Die cutting knife optimizing device

The utility model provides a die cutting knife optimizing device which comprises a die cutting knife plate, knives, an upper adjusting plate, a lower adjusting plate and a ball. The lower portion of each knife is fixedly embedded inside the die cutting knife plate, an elastic material layer surrounding the knives is arranged on the upper surface of the die cutting knife plate, and pasted and covered on the upper surface of the die cutting knife plate, gaps corresponding to the knives in position are arranged on the elastic material layer, the lower surface of the die cutting knife plate is detachably connected with the upper adjusting plate through a connecting device, arc-shaped round grooves are arranged at opposite positions on the middle portions of the upper adjusting plate and the lower adjusting plate respectively, the upper portion and the lower portion of the ball are disposed in the arc-shaped round grooves respectively, and adjusting bolts are arranged at four corners of the upper adjusting plate.