Variable-spacing taking and placing mechanism

The utility model discloses a variable spacing pick-and-place mechanism which comprises a fixed plate, a rotating cylinder, a rotating plate, a hinge assembly, an X-direction pitch changing assembly, a Y-direction pitch changing assembly and a pitch changing moving block, the rotating cylinder is installed on the fixed plate, a rotary table of the rotating cylinder is arranged downwards, the rotating plate is installed on the rotary table, and the X-direction pitch changing assembly, the Y-direction pitch changing assembly and the pitch changing moving block are fixed through the hinge assembly. The periphery of the rotating plate is connected with an X-direction pitch changing assembly and a Y-direction pitch changing assembly through hinge assemblies correspondingly, the X-direction pitch changing assembly and the Y-direction pitch changing assembly are slidably connected with the bottom face of the fixed plate through linear guide rails correspondingly, and pitch changing moving blocks are slidably inserte