Building grouting material preparation device

The utility model discloses a building grouting material preparation device which comprises a material storage disc, a mixing hopper and a discharging hopper, the mixing hopper is arranged below the material storage disc, the discharging hopper is arranged at the bottom of the mixing hopper, a supporting frame is installed on the top of the material storage disc, a driving motor is arranged on the top of the supporting frame, and the driving motor is connected with the discharging hopper. A rotating rod is installed at the output end of the driving motor, the surface of the rotating rod is sleeved with a fixing sleeve, a supporting rod is installed on the surface of the fixing sleeve, a stabilizing frame is installed at the top end of the supporting rod, a rotating roller is arranged in the stabilizing frame, and a set of first electric telescopic rods are arranged in the storage disc; a first baffle is arranged at the bottom end of the first electric telescopic rod. According to the utility model, the drivin