Semi-automatic pipeline blending device

The utility model discloses a semi-automatic pipeline blending device which comprises a blending assembly, an annular fixing ring, a partition piece, a positioning ring, a middle shaft and a connecting ring, and the blending assembly comprises a blending pipeline. According to the utility model, flow data of feeding and oil feeding are transmitted to the computer through the feeding flow meter and the oil feeding flow meter, and a worker formulates the ratio of oil to material through the computer, so that the feeding flow meter and the oil feeding flow meter automatically adjust and control the oil feeding amount and the oil feeding amount of the one-way throttle valve and the oil feeding adjusting valve; manual operation of a machine pump and control equipment is not needed, and time and labor are saved; the oil mixture is separated by the separator at the inlet of the blending pipeline and flows into the blending pipeline, the paddle is pushed to rotate by the flowing thrust of the oil mixture so as to dri