Automatic centering type trunk lid assembly tool

The utility model discloses an automatic centering type trunk lid assembly tool, and aims at providing the automatic centering type trunk lid assembly tool which can achieve centering assembly of a trunk lid and a vehicle body. Comprising a body frame, a vehicle body limiting mechanism is arranged on one side of the body frame, a trunk limiting mechanism is arranged on the other side of the body frame, the vehicle body limiting mechanism is matched with a plurality of fixed clamping air cylinders, a centering device frame is arranged on the body frame, a centering device is arranged on the centering device frame, and the centering device is matched with the vehicle body limiting mechanism. The vehicle body limiting mechanism comprises a vehicle body X-direction limiting mechanism, a vehicle body Y-direction limiting mechanism and a vehicle body Z-direction limiting mechanism, the vehicle body X-direction limiting mechanism is matched with a plurality of X-direction fixed clamping cylinders, and the vehicle bo