Mixing and feeding device for building construction

The utility model discloses a building construction mixed material supply device which comprises a shell, a feeding port is formed in the upper surface of the shell, a flow dividing assembly is arranged below the feeding port, a stirring assembly is arranged on one side of the flow dividing assembly, a screen is arranged on the surface of the bottom side of the stirring assembly, and a fixing assembly is arranged at the joint of the screen and the shell. And a discharge hole is formed below the screen. When the filter is used by a user, through the arrangement of a corresponding structure, the screen is fixed on the inner side of the shell through the fixing assembly, so that the screen can be taken out from the inner side of the shell at any time, residual materials on the surface of the screen can be conveniently cleaned, and the filtering effect is ensured; the stirring assembly is provided with a driving motor to drive a scraping rod to scrape materials adhered to the inner wall of the shell, the situatio