Automatic robot for grabbing optical fiber preform rods

The utility model relates to an automatic robot for grabbing an optical fiber preform, which is characterized by comprising a base, a rotating seat is arranged on the base, a large swing arm is arranged on a rotating seat, the front end of the large swing arm is connected with a small swing arm, the front end of the small swing arm is provided with a rotating joint and a swing joint, and the frontend of the swing joint is connected with a preform clamping jaw. The device is reasonable and compact in structural arrangement, can complete complex space three-dimensional actions, and can freely deal with complex space conditions and loading and unloading conditions; automatic grabbing, overturning and shifting tasks of the optical fiber preform can be rapidly and effectively completed, loading, unloading and transposition of the optical fiber preform are completed, and therefore the machining operation efficiency and the operation safety performance of the optical fiber preform are improved. And the preform clamp