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1. 发明授权

US4728253A Apparatus for advancing and returning feed bars for a transfer press 失效
标题翻译：用于前进和返回用于转印机的进料棒的装置
公开(公告)号：US4728253A
公开(公告)日：1988-03-01
申请号：US888438
申请日：1986-07-23
申请人： Susumu Oba , Kenji Kurishima , Masaharu Kusunoki , Tadao Odaka , Toshihiko Arai
发明人： Susumu Oba , Kenji Kurishima , Masaharu Kusunoki , Tadao Odaka , Toshihiko Arai
IPC分类号： B21D43/05 , B30B15/30
CPC分类号： B21D43/055 , Y10T74/18888 , Y10T74/18992
摘要： Feed bar advance and return driving apparatus for a transfer press. An upper slider is reciprocally vertically movable in the press crown in synchronization with the operation of the press, and a pinion rotatably mounted on the upper slider is rotated alternatingly in opposite directions with the upward and downward vertical movement of the upper slider. A drive rack vertically slidably supported on the upper slider is connected to the pinion at a position on the pinion which is eccentric to the axis of rotation of the pinion and is reciprocally vertically driven by the rotation of the pinion. The lower end of the drive rack extends downwardly and engages a drive pinion for rotating the drive pinion alternatingly in opposite directions during the reciprocal vertical motion of the drive rack. A drive lever connected to the drive pinion at a position eccentric to the axis of rotation of the drive pinion and pivotally mounted on the press is driven in a swinging motion and is connected to a lower slider for supporting feed bars of the press to drive the lower slider in advancing and returning directions.
摘要翻译：用于转印机的进料棒推进和返回驱动装置。与压力机的操作同步地，上部滑块可在压力机冠上往复地垂直移动，并且可旋转地安装在上部滑块上的小齿轮沿着上部滑块的向上和向下垂直运动在相反方向上交替地旋转。垂直滑动地支撑在上滑动件上的驱动齿条在与小齿轮的旋转轴线偏心的小齿轮上的位置处连接到小齿轮，并且由小齿轮的旋转而往复运动。驱动齿条的下端向下延伸并与驱动小齿轮接合，用于在驱动齿条的往复垂直运动期间以相反方向交替地旋转驱动小齿轮。驱动小齿轮在与驱动小齿轮的旋转轴线偏心的位置处连接，驱动小齿轮以可摆动的方式安装在压力机上的驱动杆被驱动并且与下滑块连接，用于支撑压机的进给杆以驱动下滑块在前进和后退方向。

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