Automatic change dialling of contact pin system and expect feeding mechanism

The utility model relates to a dial material feeding mechanism, especially relate to an automatic change dialling of contact pin system and expect feeding mechanism. Including the terminal, still include track frame and slip table frame, the upper portion of track frame be equipped with two looks interval distribution's track, two interorbitals form the track that slides with terminal looks sliding connection, terminal pay -off movable block drive in terminal displacement to the track that slides, the track that slides be the reciprocal distribution with terminal plug -in card feeding clampingjaw, terminal plug -in card feeding ejector pin respectively, slip table frame in be equipped with three looks interval distribution's slide locating component, but slide locating component includingthe fixed slide of the part of displacement, the fixed slide of part can extend in the track that slides and advance line location to the terminal, every slide locating component corresponds an operating station in the track