Integrated concrete mixing system

The utility model discloses an integrated concrete mixing system which comprises an assembly type steel structure sandstone stock bin and a sinking type mixing station, a pit is dug in the underground of the sandstone stock bin, the sinking type mixing station comprises a mixer located on the ground and a batch hopper located in the pit, and the batch hopper is arranged in the pit. An inlet of the batch hopper is connected with an inlet of the pit and provided with a weighing system, a material lifting system is further arranged in the pit, an outlet of the batch hopper is connected with an inlet of the material lifting system through a conveying belt, and the material lifting system obliquely extends upwards to an outlet to be connected with an inlet of the stirrer. The system realizes integrated operation of storage, transportation and processing of concrete raw materials in a narrow space, and is stable in production capacity and high in automation degree. Meanwhile, the fabricated steel structure stock bi