Putty powder preparation device for indoor decoration of constructional engineering

The utility model belongs to the technical field of putty powder production, and discloses a putty powder preparation device for interior decoration of constructional engineering, which comprises a case, a feed hopper is arranged on one side of the case, a feed port is arranged on one side of the feed hopper, a support plate is welded inside the case, a second motor is mounted above the support plate, and the second motor is connected with the feed hopper. The output end of the second motor is connected with a rotating shaft, a fixing base is installed at the bottom of the rotating shaft, blades are installed outside the fixing base, and a discharging opening is formed in the bottom of the machine box. The fixed seat and the four blades are arranged, the blades are fixedly connected with the rotating shaft through the fixed seat, a certain angle is formed between each blade and the vertical direction, the second motor drives the stirring rod and the blades to rotate simultaneously through the rotating shaft,