Agricultural automatic compounding machine

The utility model discloses an agricultural automatic compounding machine. The device comprises a compounding box, a feeding pipeline is fixedly arranged on the left side of the top of the compoundingbox, a fixing block is fixedly arranged on the upper surface of the compounding box, a rotating groove is formed in the upper surface of the fixing block, a supporting rod is movably arranged in therotating groove, and the top end of the supporting rod extends out of the fixing block and is fixedly provided with a top plate. According to the utility model, the feeding pipeline, the raw materialbarrel, the control valve and the weight sensor are arranged; raw materials in the raw material barrel can fall into the feeding pipeline by opening the control valve; the weight sensor is used for weighing and metering the raw materials in the feeding pipeline; by arranging a servo motor, the servo motor drives a first driven wheel to rotate through a driving wheel, and the first driven wheel drives a top plate to rotate,