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2. 发明授权

US5937693A Transfer apparatus of press 失效
标题翻译：转印设备
公开(公告)号：US5937693A
公开(公告)日：1999-08-17
申请号：US691869
申请日：1996-08-02
申请人： Kenichi Endou , Hideo Itakura
发明人： Kenichi Endou , Hideo Itakura
IPC分类号： B21D43/05 , B21K27/04 , B30B13/00
CPC分类号： B21K27/04
摘要： A transfer apparatus for use in a press in which successive workpieces are sequentially transferred from one to the next of a plurality of working stages arranged along a line. The transfer apparatus has a transfer bar having a plurality of workpiece holding devices such as air chucks each being capable of holding and releasing the workpiece, and a driving unit provided at the rear side of the press. The driving unit has advance/return mechanism having a first servo-motor and a rack-pinion mechanism which cooperate in driving the transfer bar in advance and return directions, a lift/down mechanism having a second servo-motor and a rack-pinion mechanism which cooperate in driving the transfer bar in lift and down directions, and an approach/retract device having a third servo-motor and a rack-pinion mechanism which cooperate in driving the transfer bar in approaching and retracting directions, so that successive workpieces are transferred from one to the next working stages of the press so as to undergo a series of steps of press work. Dies and workpieces are easily observed during the press working and efficiency of die exchanging work is improved because the driving unit is disposed on the rear side of the press.
摘要翻译：一种用于压力机的转印装置，其中连续的工件沿着一条直线布置的多个工作台中的一个到下一个依次传送。转印装置具有转印棒，该转印棒具有能够保持和释放工件的多个工件保持装置，例如空气卡盘，以及设置在压机的后侧的驱动单元。驱动单元具有具有第一伺服电动机和齿条 - 小齿轮机构的前进/后退机构，该第一伺服电动机和齿轮 - 小齿轮机构预先协调驱动转移杆并返回方向，具有第二伺服电动机的升降机构和齿条 - 小齿轮机构其配合在升降方向上驱动转移杆，以及具有第三伺服电动机和齿条 - 小齿轮机构的接近/退出装置，其在接近和收回方向上协同驱动转移杆，使得连续的工件被转移从一到下一个新闻工作阶段，进行新闻工作的一系列步骤。在冲压加工期间容易观察到模具和工件，由于驱动单元设置在压机的后侧，因此提高了模具更换工作的效率。

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