Drawing roller arrangement for use in folding machine, has two pull rings mounted on carriages adjustable in axial direction and adjustable counter axially by common control member, and threaded spindle pivoted at shaft

摘要

The arrangement (2) has a drawing roller (9) and two pull rings (11, 12), which displaceably arranged in an axial direction of the drawing roller and pressed against the drawing roller. The pull ring (12) is adjustable in the axial direction. The two pull rings are mounted on carriages (14, 16) adjustable in the axial direction and are adjustable counter axially by a common control member (51). The control member has a threaded spindle (48) with two sections (52, 53) of opposing pitches, where the threaded spindle is pivoted at a shaft (49) and is axially adjustably coupled.