Grabbing, swinging and inserting integrated gantry robot and U rib grabbing and swinging method

The grabbing, placing and inserting integrated gantry robot comprises a bottom plate, a gantry type frame is installed on the upper side of the bottom plate, a U rib piece bending machine cache position is arranged on the left side of the gantry type frame, a U rib piece trolley clamp is arranged on the middle side of the gantry type frame, a lifting mechanism is arranged on the gantry type frame, and the U rib piece bending machine cache position is arranged on the lifting mechanism. The device comprises a lifting mechanism, a swing mechanism is installed on the lower side of the lifting mechanism, two insertion mechanisms are installed on the lower side of the swing mechanism, the two insertion mechanisms are arranged in a V shape, each insertion mechanism comprises an insertion frame and grabbing mechanisms, the insertion frames are fixedly installed on the swing mechanism, and the two grabbing mechanisms are arranged on the insertion frames. By means of the U-shaped rib sheet grabbing mechanism, the U-sha