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    • 5. 发明授权
    • Clamping device
    • 夹紧装置
    • US5022256A
    • 1991-06-11
    • US414777
    • 1989-09-29
    • Jan van der Meulen
    • Jan van der Meulen
    • B21D37/14B21D5/02
    • B21D5/0209B21D5/0236
    • The invention relates to a clamping device for the clamping of at least one piece of tooling, for instance an upper tooling or a press, which device comprises:two clamping jaws moveable towards and away from one another, between which the tooling can be clamped,pressure means, for instance at least one hydraulic cylinder for pressing the clamping jaws towards one another with force at energizing thereof, andat least one locking element present between the clamping jaws for co-action with an edge present on the tooling,such that the tooling in the absence of energizing of the pressure means can be pushed with at least one edge over the locking element, hook over the edge, and thus prevents the tool from falling,and is characterized in thata resilient strip, which is attached between the clamping jaws to one clamping jaw and which as a result of its own resilience lies in untensioned state at a distance from a pressure surface of this clamping jaw, whereby in the absence of energizing of the pressure means, the tooling can, through a sufficiently great tilting round a portion provided with a locking edge, be carried with its edge in and out of engagement with the locking edge and can pass over the locking edge, and to such a resilient strip.
    • 本发明涉及一种用于夹持至少一个工具(例如上部工具或压力机)的夹紧装置,该装置包括:两个夹钳可以彼此相对移动并远离彼此移动,在该夹爪之间可夹紧工具, 压力装置,例如至少一个液压缸,用于在夹紧爪的作用下用力将夹钳向彼此挤压,以及存在于夹钳之间的至少一个锁定元件,用于与存在于工具上的边缘协同作用,使得 在不存在压力装置通电的情况下,可以将至少一个边缘推压在锁定元件上方,钩在边缘上,从而防止工具掉落,并且其特征在于,弹性带附接在 夹钳夹在一个夹紧爪上,由于其自​​身的弹性,其处于与该夹爪的压力表面相距一定距离处的未张紧状态,由此在没有激磁 加压装置,工具可以通过足够大的倾斜使设置有锁定边缘的部分被承载,其边缘与锁定边缘接合并脱离与锁定边缘的接合,并且可以越过锁定边缘 弹性条。