utter block is combined to completely prevent the former steamed bun from forming the blocking surface. 9 pieces of impored polymer material cutter block fully utilize the mechanical principle to balance the force and reduce the friction. It completely solves the difficult problem that other bun machine tool blocks are easily worn by one main knife to push the other 8 pairs of vice knives, the knives are sticky on the face, and the heat expansion and contraction can not be produced normally by t