Sterilization spraying device for liquid inoculation machine

The utility model relates to a sterilizing and spraying device for a liquid inoculation machine, which comprises a rack and a conveying roller way, a pulp bottle frame is arranged on the conveying roller way, sterilizing and spraying devices are symmetrically arranged on two sides of the conveying roller way, each sterilizing and spraying device comprises a main pipe horizontally arranged along the direction of the conveying roller way and a plurality of branch pipes arranged along the length direction, and atomizing nozzles are arranged at the tail ends of the branch pipes. The main pipe is connected with branch infusion pipes through a tee joint to be gathered to an infusion header pipe, and the infusion header pipe is provided with an electric stop valve, a one-way valve and an infusion pump and connected with a sterilizing liquid supply source. When the pulp bottle frame stops at the inoculation station, the program automatically controls the bottle pressing device, the inoculation device and the cover op