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    • 9. 发明公开
    • ROTARY FORMING APPARATUS AND METHOD
    • 旋转成型装置及其方法。
    • EP0637275A1
    • 1995-02-08
    • EP93911415.0
    • 1993-04-21
    • Bodnar, Ernest R.
    • Bodnar, Ernest R.
    • B21D28B23D25
    • B21D28/36B23D25/00B23D25/12Y10T83/9428
    • A rotary apparatus (10) for forming materials such as sheet metal has upper and lower rotary members (12, 14) rotating in unison on opposite sides of a moving strip of material, at least one die support (30, 32) movably supported on each rotary member for carrying forming die means (34, 36), each die support being movable in a semi-rotary manner relative to its rotary member, a first pair of guide pins (40, 44) located at opposite ends of each die support and offset from one another towards the leading and trailing edges respectively, first guides (50, 52, 54, 56) for the first pairs of guide pins located at respective ends of each rotary member, second pairs of guide pins (42, 46) on each die support, located at opposite ends, and offset from one another towards the trailing edge and leading edge respectively, second guides (60, 62, 64, 66) located at each end of each rotary member, the second guides engaging the second pairs of pins at a point just before the die supports close, and during closure of the die supports, and being disengaged from the second guides just after opening of the die supports. Also disclosed is an improved form of rotary die (36) having an ejection opening (84) for ejecting scrap pieces of material. Also disclosed is a method of forming materials using the apparatus described.