Transfer arm for ultrathin fiber cement boards

The utility model belongs to the technical field of transfer arms. The transferring arm comprises a rotating mechanism, a supporting rod is fixedly arranged at the output end of the top of the rotating mechanism, a supporting arm is movably installed on the inner wall of the supporting rod, a telescopic mechanism is installed on the surface of the supporting arm, and a connecting shaft is fixedly arranged at the output end of the telescopic mechanism. A second fixing sleeve is fixedly arranged on the outer wall of the lower end of the connecting shaft, a plurality of sliding arms are fixedly arranged on the circumferential outer wall of the second fixing sleeve in an annular symmetrical structure, a first sliding groove is formed in the top of each sliding arm, a first threaded rod is rotationally connected to the inner wall of each first sliding groove, and a sliding block is in threaded connection to the circumferential outer wall of each first threaded rod; the sliding block penetrates through the sliding