Plug screwing-in device for barrels

摘要

A plug screwing-in device provides fully automatic screwing of plugs into the thread of a bunghole connecting piece located on a barrel bunghole, accompanied by the simultaneous, automatic centering and adaptation to any sloping position of the plug. For this purpose a centering and screw head is provided with an external centering ring and with a screw head arranged in the inner area of the ring, and the centering ring provided with a plug holding device can be raised counter to a spring force and is connected by means of a driving shaft and an intermediately connected universal joint with a drive mechanism.