Positioning device for eccentric shaft machining

The invention relates to a positioning device for eccentric shaft machining. The problems existing in existing eccentric shaft machining are solved. Comprising a right positioning assembly, a left positioning assembly, an installation positioning pin and an installation base, the right positioning assembly and the left positioning assembly are the same in structure, are symmetrical to each other and each comprise a positioning V-shaped block, a screw I, a positioning pin, a positioning seat, an upper cover, a screw II and a set screw, the positioning V-shaped blocks are fixed to the positioning seats through the screws I and the positioning pins, and the upper covers are fixed to the positioning V-shaped blocks through the screws II. The fastening screw is screwed into the threaded hole of the upper cover, the installation positioning pin is installed in the pin hole of the installation base, the right positioning assembly and the left positioning assembly are installed on the supporting face of the installat