The utility model discloses a kind of inside clamping tool of gear ring, including support and motor base,
servo motor is equipped on the motor base, the output of
servo motor is equipped with driving gear, support is equipped with lower ring support, gear shaft is equipped in the inside of lower ring support, and driving gear is equipped on gear shaft, and driving gear is adapted with transmission gear, the top of lower ring support is equipped with the upper ring support of
adaptation;The utility model realizes the automatic adjustment of clamp, greatly reduces manual intervention operation, and when material is put in, it can be placed at will, then material is rotated to the angle required for corresponding operation by
servo motor, while positioning is accurate and fast, the tool clamp is realized automatic opening and closing by air cylinder and
inductor, without manual intervention, and high degree of
automation, can be easily integrated into other automated line body, can effectively realize automatic access, simplify manual operation procedure.