Quick assembling and disassembling grinding chuck for LC insertion core assembly

The utility model relates to the technical field of optical fiber communication, in particular to a quick assembling and disassembling grinding chuck for an LC insertion core assembly, which comprisesa base, at least one mounting cavity is arranged in the base, two limiting strips are symmetrically arranged at the left end and the right end of the inner side of the mounting cavity, two check blocks are symmetrically arranged at the rear end of the inner side of the mounting cavity, and a sleeve is arranged on the inner bottom surface of the mounting cavity. An inner hole of the sleeve penetrates through the base, the LC inserting core assembly comprises an LC inserting core, the sleeve is matched with the LC inserting core, a packaging sleeve assembly is arranged outside the LC insertingcore and comprises an upper packaging shell and a lower packaging shell, the lower packaging shell is matched with the limiting strip for positioning, an elastic connecting rod A is arranged on the outer side of the lower pack