Flexible and adjustable transmission grinding clamping device

The invention relates to an outer circle grinding clamping device, in particular to a flexible adjustable transmission grinding clamping device, and belongs to the technical field of an outer circle grinding clamp. The outer circle grinding clamping device comprises a machine tool transmission arm, a transmission seat, slide blocks, a front tip and a back tip, wherein the front end of the machine tool transmission arm is provided with the transmission seat in an attaching way; the machine tool transmission arm can push the transmission seat to rotate; a chute is formed in the center of the transmission seat; two slide blocks are vertically glidingly connected into the chute; the positions of the two slide blocks can be vertically regulated; a plurality of transmission pin connecting holes are formed in each slide block; any one transmission pin connecting hole in the plurality of transmission pin connecting holes is connected with an elastic transmission pin; the front end of the elastic transmission pin can