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    • 9. 发明授权
    • Safety device on metal-forming machine tools
    • 金属成型机床安全装置
    • US6148985A
    • 2000-11-21
    • US269958
    • 1999-06-03
    • Ingo WagnerHorst Wolf
    • Ingo WagnerHorst Wolf
    • B30B1/08B30B15/28F16P3/16F16H15/38
    • B30B15/285B30B1/08F16P3/16
    • The invention concerns a safety device on metal-forming machine tools, in particular on pneumatic pressing machines, used in the execution of short-stroke pressing processes, for preventing intervention in the danger zone during the tool working movement and unintentional closure movements. The machine essentially comprises a machine housing, a power-generating system, a control system and a tool arrangement with a fixed part and a movable part, and the actual metal-forming tool connected thereto. The object of the invention is the highly reliable prevention of injuries owing to inattentiveness in spite of hands' being left in the immediate danger zone. To that end, the safety device (8) consists of a lever-like part (9) which is disposed between a guide part (15) and a counter bearing (14), is connected both to the power-generating system (2) and to the movable part (4) of the tool (3), slides along the guide part (15) and co-operates with the counter bearing (14) such that each working stroke of the movable part (4) occurs in two stages, first as a stroke for moving into a predetermined position (20) and then as a power stroke for carrying out the forming process, which occurs only when there is no obstacle (25) in the space between the movable part (4) and the workpiece.
    • PCT No.PCT / DE97 / 02289。 371日期1999年6月3日第 102(e)日期1999年6月3日PCT 1997年10月4日PCT PCT。 公开号WO98 / 16371 日期1998年04月23日本发明涉及一种用于执行短行程压制工艺的金属成形机床,特别是用于气动压力机的安全装置,用于防止在工具运动期间干扰危险区域和无意的 关闭运动。 该机器主要包括机壳,发电系统,控制系统和具有固定部分和可移动部件的工具装置以及连接到其上的实际金属成形工具。 本发明的目的是尽管手被置于直接危险区域中,由于不注意力而非常可靠地预防伤害。 为此,安全装置(8)由布置在引导部分(15)和计数轴承(14)之间的杠杆状部分(9)组成,连接到发电系统(2) 和工具(3)的可动部分(4)沿着引导部分(15)滑动并与对位轴承(14)配合使得可移动部分(4)的每个工作行程分两个阶段 首先作为用于移动到预定位置(20)的行程,然后作为用于执行形成过程的动力冲程,其仅在可动部分(4)和可动部分(4)之间的空间中没有障碍物(25)时发生, 工件。