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公开(公告)号：US4285259A
公开(公告)日：1981-08-25
申请号：US68445
申请日：1979-08-21
CPC分类号： B21D28/12 , Y10T29/5153 , Y10T29/5165 , Y10T29/5167 , Y10T74/14 , Y10T83/8732
摘要： A turret indexing system for a turret punching machine having a plurality of equally spaced tool punching stations carried on the turrets which may be rotatably positioned to place selected punching tools in register with a punching ram. Turret indexing is accomplished with a pneumatic cylinder driven reciprocating drive arrangement utilizing a pneumatically actuated clutch to drive the turrets through a one direction, incremental indexing rotation which is equivalent to one tool punching station spacing. A shot pin arrangement is effective to lock the turrets in an operating position and provide small corrective repositioning of the turrets, when required, to precisely position the turrets relative to the punching ram. A control system provides an automatic sequenced cycling of the indexing system to position each required punching tool in an accurate punching position.
摘要翻译： 一种用于转塔冲压机的转台分度系统，其具有承载在转塔上的多个等间隔的工具冲压工位，其可旋转地定位成将选定的冲压工具与冲压冲头对准。 塔架分度是利用气动驱动的往复式驱动装置来完成的，其中气动驱动的离合器通过一个方向驱动塔架，增量分度旋转相当于一个工具冲压站间距。 射击销布置有效地将炮塔锁定在操作位置，并且当需要时提供对炮塔的小的校正重新定位，以便相对于冲压柱精确定位炮塔。 控制系统提供分度系统的自动排序循环，以将每个所需的冲压工具定位在精确的冲压位置。
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公开(公告)号：US4703925A
公开(公告)日：1987-11-03
申请号：US761318
申请日：1985-08-01
CPC分类号： B21D43/24
摘要： A method and apparatus for ensuring sheet separation of a single sheet workpiece from a stack of workpiece sheets which consists of a lifting assembly having at least three spaced sets of sheet workpiece holding suction members with at least a poriton of one set being reciprocatable in a vertical movement to cause flexure of a sheet being raised by the lifting device to cause separation of an underlying sheet which may have adhered to the sheet being lifted.
摘要翻译： 一种用于确保单个片材工件从工件片材堆叠中的片材分离的方法和装置，其由具有至少三个间隔开的片材工件保持抽吸构件的提升组件组成，其具有至少一组可在垂直方向上往复运动的一组 导致由提升装置升高的片材挠曲的运动，使得可能粘附到片材上的下层片材被分离。
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公开(公告)号：US4479397A
公开(公告)日：1984-10-30
申请号：US391875
申请日：1982-06-24
CPC分类号： F16H25/2015 , F16H25/2204 , Y10T74/18688
摘要： A ball screw brake and stop assembly having an elastomeric compression pad or elastomer member circumferentially surrounding the ball screw and received in a counter bore of a non-rotating assembly having a bore receiving the ball screw with the pad confined on its outer diameter and at one axial end. A striker member, dimensioned to be receivable within an open axial end of the counter bore, functions as a stop member limiting axial movement of the ball nut. Upon projection of the striker member into the counter bore, further movement of the ball nut causes axial compression of the elastomer member providing resistance to further axial movement of the ball nut. At the same time, radial expansion of the elastomer member, caused by compression in the axial direction, causes the inner diameter of the elastomer member to frictionally engage the outer diameter of the ball screw to break rotation of the ball screw.
摘要翻译： 一种滚珠丝杠制动器和止动组件，其具有弹性体压缩垫或弹性体构件，其周向地围绕所述滚珠丝杠并且容纳在非旋转组件的反向孔中，所述非旋转组件具有容纳所述滚珠丝杠的孔，所述孔限制在其外径上并且在一个 轴向端。 尺寸适于可接收在反向孔的敞开的轴向端内的撞针构件用作限制滚珠螺母的轴向运动的止动构件。 当撞击件构件投入到底孔中时，滚珠螺母的进一步运动导致弹性体构件的轴向压缩，从而提供抵抗滚珠螺母进一步轴向运动的阻力。 同时，由轴向压缩引起的弹性体部件的径向膨胀使得弹性体部件的内径与滚珠丝杠的外径摩擦接合，从而破坏滚珠丝杠的转动。
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