Metering, mixing and dispensing system

The utility model discloses a metering, mixing and dispensing system which comprises a knockout device, batching apparatuses, a mixing device and a dispensing device, wherein the knockout device is respectively used for adding agents A and B into multiple corresponding agent A and B batching apparatuses; the agents A and B are input from the batching apparatuses, enter the mixing device and are finally poured into the product by virtue of the dispensing device. According to the system disclosed by the utility model, economical and disposable mixing tubes and hoses are taken as a mixed material pipeline, the pipeline can be rapidly replaced once blockage is caused, the service efficiency of the system is high, the mixed material pipeline is simple and short, the blockage probability is low, and the working efficiency of the system is high.