Mixing box for building construction

The utility model belongs to the technical field of mixing, and particularly relates to a mixing box for building construction, which comprises a box body, a mixing box cover and a mixing box cover, the mixing assembly is connected with the box body and is used for mixing building construction materials; the mixing assembly comprises a first driving part and a second driving part; the first driving part is connected with the box body through a bracket; the screw rod is fixedly connected to the output end of the first driving part, and one end, far away from the first driving part, of the screw rod is connected with the box body; a screw block is connected to the screw rod through threads, and the screw block is in sliding connection with the box body; one end of the push rod is rotationally connected with the screw block, the other end of the push rod is rotationally connected with a rotating rod, and the rotating rod is connected with the box body through a supporting rod; and a second driving member. The mi