Automatic mounting mechanism of relay middle piece

The invention relates to an automatic mounting mechanism of a relay middle piece. The automatic mounting mechanism comprises a base, wherein a sliding base is arranged on the base, and the sliding base is arranged on the base in the left-right direction, and a sliding groove for moving the relay is formed in the sliding base; a shifting mechanism used for driving the relay to move in the sliding groove is further arranged on the base; at least one mounting station is formed on the sliding groove, and the mounting station forms a front opening and a rear opening in the side walls of the slidingbase on the front side and the rear side of the sliding groove respectively; a middle piece mounting device is arranged on the base on the rear side of each mounting station separately; and the middle piece mounting device is used for mounting the middle piece from the rear opening into the relay at the mounting station. The middle piece mounting device is used for adsorbing the middle piece andmounting the middle piece