Novel pulping knife of double-rotation type soybean milk machine

The utility model discloses a novel pulping knife of a double-rotation type soybean milk machine. The pulping rapidity, high efficiency, energy conservation and taste of the existing soybean milk machine need to be improved. The top of a bracket is in threaded connection with a cover cylinder; the auxiliary knife is supported outside the bracket through a thrust ball bearing; the transition gear is fixed at the bottom of the bracket and is supported on the isolation plate; the gear ring is in interference fit with the inner wall of the auxiliary cutter; two sides of the transition gear are respectively meshed with the driving gear and the gear ring; the main cutter shaft penetrates through the cover cylinder, the support, the driving gear, the isolation plate and the auxiliary cutter, andthree or more main blades are fixed to the bottom end of the main cutter shaft. An external motor drives the main cutter shaft to drive the auxiliary cutter through gear engagement, the auxiliary cutter rotates reversely to e