Building facade cast-in-place concrete line construction device

The utility model discloses a building facade cast-in-place concrete line construction device, which belongs to the field of building construction and comprises an outer wall body, an outer wall screw hole is arranged in the outer wall body, and a split bolt penetrates through the outer wall screw hole. Two square timbers located on the two sides of the split bolt are fixedly connected between the split bolt and the outer wall of the outer wall body. The method has the beneficial effects that the square timber is fixed by the split bolt through the original outer wall screw hole of the outer wall body, so that manual punching is avoided, the punching cost is reduced, meanwhile, the construction simplicity and convenience are ensured, and the working efficiency is improved; waste wood boards are used for processing and manufacturing the triangular bearing plates and the bottom die, waste templates are recycled, and the resource utilization rate is increased; and a limiting mechanism is arranged, the side, away