Mixed filler solid-phase extraction column

The utility model belongs to the technical field of solid-phase extraction columns, and particularly relates to a mixed filler solid-phase extraction column which comprises a support, a groove is formed in the inner side of the support, a shell is fixedly connected to the inner side of the groove, a hydraulic rod is fixedly connected to the interior of the shell, a connecting rod is fixedly connected to the exterior of the hydraulic rod, and a clamping plate is fixedly connected to the exterior of the connecting rod. The outside of the clamping plate is movably connected with a body, the outside of the body is fixedly connected with a sliding groove, the outside of the sliding groove is slidably connected with a magnet, the inner side of the body is fixedly connected with a base, the outside of the base is movably connected with a sliding rod, the outside of the sliding rod is fixedly connected with a baffle, and the outside of the sliding rod is fixedly connected with a spring. One end of the spring away fro