Automatic change raw materials sub -packaging device

Automatic change raw materials sub -packaging device relates to raw materials ration split charging equipment, relates to chemical fertilizer raw material ration split charging equipment. Including former storage bucket, controller, title material jar, weighing sensor, solenoid valve A and solenoid valve B, former storage bucket is installed above the support, and there is the crossbeam support lower part, is provided with title material jar under the former storage bucket, calls that material cylinder bottom face inside is slope -shaped, has quantitative discharging pipe to the side of title material jar, installs solenoid valve B on the quantitative discharging pipe, solenoid valve A is installed to conical discharge gate of raw materials barrel head portion and title material jar intercommunication on the discharge gate, title material jar is located the crossbeam top, and weighing sensor is installed to the crossbeam intermediate position, and put at title material cylinder bottom face central point on th