Wall decorative plate fixing device of fabricated building

The invention discloses a wall decorative plate fixing device of a fabricated building, and belongs to the technical field of building construction equipment. The wall decoration plate fixing device of the fabricated building comprises a support and a material frame, and further comprises a supporting mechanism and a driving mechanism, the supporting mechanism comprises a sliding rail, a first sliding block, a connecting rod and a driving mechanism, the sliding rail is arranged at the top end of the support, an L-shaped groove is formed in the inner side of the sliding rail, the first sliding block is slidably connected into the L-shaped groove, one end of the connecting rod is fixedly connected with the first sliding block, and the connecting rod is driven by the driving mechanism to rotate. When the first sliding block slides from the vertical part of the first sliding rail to the horizontal part of the first sliding rail, the first sliding block drives the connecting rod to rotate from the vertical state t