Machining workbench with rotating and fixing functions

The utility model relates to the technical field of machining, in particular to a machining workbench with a rotating and fixing function, which comprises a fixing frame, the top of the fixing frame is fixedly connected with a table board, the table board is internally and fixedly connected with limiting rods which are uniformly distributed, the tops of the limiting rods are fixedly connected with a positioning plate, and the positioning plate is fixedly connected with the top of the fixing frame. The other end of the limiting rod is fixedly connected with a second limiting block, a limiting spring is arranged on the outer side of the upper portion of the limiting rod, a supporting plate is arranged in the top of the positioning plate, the bottom of the positioning plate is fixedly connected with the limiting rod, and the bottom of the supporting plate is rotationally connected with a first limiting block. Through the arrangement of the fixing frame, the table top, the positioning plate, the first limiting bl