The present application relates to the field of centering equipment, and discloses a conveying centering device, which comprises a Y-axis centering mechanism arranged on an X-axis centering mechanism, one side of the X-axis centering mechanism is provided with a conveying mechanism, the Y-axis centering mechanism comprises a top plate, two groups of oppositely distributed guide grooves are formed in the top plate, a movable clamping jaw and a fixed clamping jaw are respectively arranged in the two groups of guide grooves, the movable clamping jaw is close to the front side of the Y-axis centering mechanism, and the movable clamping jaw can be turned to one side of the fixed clamping jaw, so that the top of the movable clamping jaw is hidden in the guide groove, the workpiece is conveyed to the upper side of the Y-axis centering mechanism through the conveying mechanism, and the movable clamping jaw on the front side of the workpiece can be turned to one side of the fixed clamping jaw under the push of the workpiece, so that the top of the fixed clamping jaw can be hidden in the guide groove, the structure can achieve the purpose of simplifying the mechanism, improve the space utilization, and reduce the corresponding cost.