Bending mechanism of knife bending machine

The invention relates to the technical field of tool processing equipment, in particular to a bending mechanism of a knife bending machine. The bending mechanism includes a bending base, a pressing block arranged on the bending base, a knife bending inner mold arranged on the bending base and a knife bending outer mold rotationally connected to the bending base, the pressing block is provided witha feeding hole, the knife bending inner mold is provided with a knife hole communicating with the feeding hole, the knife bending outer mold is provided with a feeding port and a discharging port which are in communication with the feeding hole and the knife hole correspondingly, the knife bending outer mold is provided with an inner cavity for communicating the feeding port and the discharging port, and the knife bending inner mold is arranged in the inner cavity, and the bending base is provided with a first power component which drives the knife bending inner mold and the knife bending outer mold to rotate relativ