Wallboard splicing reinforcing device

The utility model relates to the technical field of ALC wallboards, and discloses a wallboard splicing and reinforcing device which comprises a first wallboard, a first connecting block is fixedly connected to one side of the first wallboard, a plurality of screw rods are rotatably connected to the interior of the first wallboard, a second wallboard is arranged on one side of the first wallboard, and a plurality of screw rods are rotatably connected to the interior of the second wallboard. A second connecting block is fixedly connected to one side of the second wall plate, a plurality of nuts are fixedly connected to one side of the interior of the second connecting block, connecting grooves are formed in the same sides of the first wall plate and the second wall plate, and a plurality of I-shaped frames are fixedly connected to the top ends of the first wall plate and the second wall plate through second bolts; and a plurality of first bolts are in threaded connection with the two sides of the interiors of t