Mixing and supplying device for civil engineering construction

The utility model relates to the field of construction mixing and feeding devices, in particular to a civil engineering construction mixing and feeding device which comprises a mixing tank, a discharging pipe, a feeding pipe, a cleaning mechanism, a motor, an up-down adjusting box, a stirring frame and a screening mechanism, the discharging pipe is fixedly connected to the mixing tank, the feeding pipe is fixedly connected to the mixing tank, and the cleaning mechanism is arranged on the feeding pipe. A cleaning mechanism is arranged on the material mixing tank, a motor is fixedly connected to the material mixing tank, an up-and-down adjusting box is arranged in the material mixing tank, a stirring frame is arranged on the up-and-down adjusting box, and a screening mechanism is arranged in the material mixing tank. According to the mixed material supply device for civil engineering construction, the water tank is arranged on the outer side of the material mixing tank, the water pump pumps water into the annul