Clamping device for production and grinding of high-chromium cast iron wear-resistant material

The utility model relates to the field of clamping devices, in particular to a clamping device for high-chromium cast iron wear-resistant material production coping, which comprises a base, a supporting column, a placing table, an input gear, an input shaft, a transmission gear, a threaded rod, a rotating gear, a rotating bracket, a fixed bracket, a rotating connecting piece A, a rotating connecting piece B, a connecting rod, a rotating column and a clamping piece, the base is connected with the supporting column. The tops of the supporting columns are connected with the containing table. The input shaft is rotationally connected with the base; the input shaft is connected with the input gear; the input gear is meshed with the transmission gear; the transmission gear is connected with the threaded rod; the transmission gear is rotationally connected with the base; the threaded rod is in meshed connection with the rotating gear; the rotating gear is rotationally connected with the rotating bracket; the rotatin