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    • 20. 发明公开
    • SELF-PIERCING RIVET SETTING APPARATUS AND SYSTEM
    • 自穿孔铆钉装置和系统
    • EP1467836A1
    • 2004-10-20
    • EP02805939.2
    • 2002-12-13
    • Newfrey LLC
    • NAITO, Nobuharu,Pop Rivet Fastener K.K.
    • B23P19/00B23P11/00
    • B21J15/025B21J15/36B21J15/38B23P19/062
    • A self-piercing rivet setting apparatus (9) comprises a punch (14) and a die (18) for driving a self-piercing rivet into a plurality of workpieces including a receiving-side workpiece adjacent to the die. The self-piercing rivet has a large-diameter head and a hollowed leg. The leg is driven to pierce the workpieces while allowing the front end of the leg to be expanded and deformed in its radial outward direction and to be stayed in the receiving-side workpiece without passing therethrough, to connect the plurality of workpieces with each other by the expanded leg and the head. The die includes a first die member (26) having a first cavity (25), and a second die member (30) having a second cavity (27) and a protruding pin (29) provided at the center of the second cavity. The first cavity is adapted to allow the leg of the self-piercing to be driven into the workpieces in a straight direction when the self-piercing rivet is pressed by the punch (14). The second cavity and the protruding pin are adapted to allow the leg of the self-piercing rivet being piercing the workpieces to be expanded and deformed in its radial outward direction.
    • 自冲铆钉固定装置(9)包括用于将自冲铆钉驱动到包括与模具相邻的接收侧工件的多个工件中的冲头(14)和模具(18)。 自冲铆钉具有大直径头部和空心腿。 驱动腿以刺穿工件,同时允许腿的前端沿其径向向外的方向膨胀和变形,并且在未经过接收侧工件的情况下停留在接收侧工件中,从而通过将多个工件彼此连接 扩大的腿和头部。 该模具包括具有第一腔体(25)的第一模具构件(26)和具有第二腔体(27)和设置在第二腔体的中心处的突出销(29)的第二模具构件(30)。 当自冲铆钉被冲头(14)按压时,第一腔体适于允许自刺穿的腿沿直线方向被驱动进入工件。 第二腔体和突出销适于允许自刺穿铆钉的刺穿工件的腿部沿其径向向外方向膨胀和变形。