Copper guide rail with novel structure

The copper guide rail of the novel structure comprises a sliding rail, a base and a sliding block, the sliding rail is installed on the top of the base, the sliding block is installed on the top of the periphery of the sliding rail, a threaded rod is installed on the top of the sliding block, a connecting base is installed on the top of the threaded rod, and connecting bolts are installed in the connecting base on the two sides of the threaded rod. Connecting pieces are installed on the peripheries of the threaded rods at the bottoms of the connecting bases, side plates are installed on the surfaces of the two sides of the sliding blocks, pulleys are installed at the bottoms of the side plates through installation frames, and sliding grooves are formed in the positions, at the bottoms of the pulleys, in the base. In the process that the sliding block slides on the periphery of the sliding rail, the pulley can slide in the sliding groove in the base along with movement of the sliding block, the auxiliary movem