The utility model discloses a clamping claw device, its characterized in that has gripper mechanism, gripper mechanism includes mount pad, fixing base, clamp cover, lower drive air cylinder, goes up drive air cylinder, left clamping jaw, right clamping jaw, motor, driving gear and driven gear, driven gear's rotation can drive horizontal rotation is at the mount pad to the fixing base, press from both sides inside the cover locates the fixing base, press from both sides intermural drive air cylinder and the last drive air cylinder of being equipped with down in cover and the fixing base, press from both sides the cover can move down perpendicularly under drive air cylinder drive down and then make left clamping jaw and right clamping jaw can be respectively under the spring action to the orientation removal of work piece the most at last the work piece carry etc, the utility model discloses have and can be fast accurate carry out the automatic clamp to work pieces such as cameras and get, and can in time discern and adjust its position among the material taking process, have protection architecture simultaneously, prevent the effect of the damage of material taking process work piece.