公开(公告)号：US4919352A

公开(公告)日：1990-04-24

申请号：US262453

申请日：1988-10-25

Applicant: Gerald W. Terp ,  Edward F. Stanek

Inventor： Gerald W. Terp ,  Edward F. Stanek

IPC: B65H19/22

CPC classification number: B65H19/2215 ,  B65H2408/23152

Abstract: A web rewind unit includes a turret with spaced spindles and cores for receiving the web. A slide is mounted on the turret beneath the web moving over the core at the winding station. A knife bracket is pivotally secured to the slide. A power cylinder positions the slide between a web cut position and a retracted position. A pivot unit connects between the knife bracket and the main cylinder unit. A pneumatic cylinder loads the pivot unit. A stop unit is mounted to the machine frame and includes an adjustable member for establishing angular orientation of the cutting knife to accurately locate the knife with respect to the web during the cutting action. An air bar is mounted above the web path and moves down through the web as the knife pivots. The free web end of the web moves into the new core. The air bar includes a cam which engages a cam roller on the bracket and pivots the knife to cut the web. The timing is preferably such that as the knife moves to the cutting position, the air bar cylinder is operated and the cam coupled to the knife bracket is engaged by the pivoting air bar and the knife blade pivots and moves through the web. The air bar moves through the web in a direction opposite the knife. The air blast drives the free end of the web downwardly into a guide about the new core.

Abstract translation: 卷筒纸卷绕单元包括具有间隔开的主轴的转台和用于接收纸幅的芯。 一个滑块安装在卷筒下方的转盘下方的转盘上。 刀支架枢转地固定在滑块上。 动力缸将滑块定位在卷筒纸切割位置和缩回位置之间。 枢轴单元连接在刀支架和主缸单元之间。 气动缸装载枢轴单元。 止动单元安装到机架上，并且包括可调节构件，用于建立切割刀的角度定向，以在切割动作期间相对于幅材精确地定位刀。 一个空气条被安装在卷筒纸路径的上方，当刀片枢转时向下移动。 网页的自由网页移动到新的核心。 空气杆包括凸轮，该凸轮与支架上的凸轮辊接合并枢转刀来切割网。 优选的是，当刀移动到切割位置时，操作气缸缸，并且联接到刀支架的凸轮被枢转气杆接合，并且刀片刀片枢转并移动通过腹板。 空气杆沿与刀相对的方向移动通过网。 空气吹扫将纸幅的自由端向下驱动到围绕新芯的引导件中。

公开(公告)号：US4280669A

公开(公告)日：1981-07-28

申请号：US113465

申请日：1980-01-21

Applicant: Dale D. Leanna ,  Allen R. Jorgensen ,  Gerald W. Terp ,  John LaHaye ,  Kenneth L. Nehring

Inventor： Dale D. Leanna ,  Allen R. Jorgensen ,  Gerald W. Terp ,  John LaHaye ,  Kenneth L. Nehring

IPC: B65H19/26 ,  B65H19/20 ,  B65H35/04

CPC classification number: B65H19/26 ,  B65H2301/418925 ,  B65H2408/2312

Abstract: In web rewinding apparatus for producing hard-wound individual rolls, a knife for cutting through the web is carried for substantially radial extension and retraction by a cutoff roll which cooperates with a bed roll around which the web has substantial wrap. When extended, the knife enters a longitudinal slot in the bed roll, in which there is a row of fixed pins. A web impalement pusher bar, extended from the cutoff roll along with the knife, impales the web onto the pins. Transfer pads carried by the bed roll extend, to detach the web from the pins and clamp it against a new core. Cores onto which web is wound are supported by six mandrels spaced circumferentially around a turret that carries them, in turn, to each of six fixed stations. Coaxial with each mandrel on the turret is a rotatable driver and a normally disengaged clutch which, when engaged, transmits rotation of its driver to its mandrel. Alternate drivers around the turret are driven from one motor, the remaining drivers by a second motor. Each clutch is engaged as its mandrel moves into an acceleration station. Shortly before a mandrel moves out of the acceleration station to a winding station it is brought up to web speed; and while it is at the winding station its motor applies a constant torque on it to maintain tension on the web. A driven rider roll augments web tension. Turret indexing is controlled by a pulse generator and a resettable counter that is adjustable to adjust length of web wound onto an individual roll.

Abstract translation: 在用于生产硬缠绕单个卷的卷筒纸卷绕装置中，用于通过幅材切割的刀片被承载用于与卷筒纸相互配合的切割辊基本上径向延伸和缩回，卷筒纸具有大体上的包裹物。 当延伸时，刀进入床辊中的纵向槽，其中存在一排固定销。 从切割辊与刀一起延伸的网状物冲压推杆将纸幅推到销上。 由床辊承载的转移垫片延伸，以将纤维网与销钉分离并将其夹紧在新的芯部上。 卷绕在其上的芯体由六个心轴支撑，六个心轴围绕转塔周向间隔开，这些托架依次运送到六个固定站中的每一个。 与转台上的每个心轴同轴是可旋转的驱动器和正常脱离的离合器，当接合时，离合器将其驱动器的旋转传递到其心轴。 转塔周围的替代驱动器由一个电机驱动，其余驱动器由第二个电机驱动。 当每个离合器的心轴移动到加速站中时，每个离合器被啮合。 在心轴从加速站移动到卷绕站之前不久，它被提升到卷筒纸速度; 而当它在卷绕站时，其马达对其施加恒定的扭矩以保持幅材上的张力。 驱动的车手辊增加了卷筒纸张力。 转塔分度由脉冲发生器和可调整的计数器控制，可以调节卷筒卷绕到单个卷筒上的长度。