Presses – Plural presses – With material transfer from press to press
Patent
1996-09-20
1998-05-12
Gerrity, Stephen F.
Presses
Plural presses
With material transfer from press to press
7240513, 7240516, 100215, 1986214, 414751, B30B 1530
Patent
active
057492905
ABSTRACT:
A multi-station press is provided with a press transfer device that engages articles at the press stations after processing and transfers the articles to the next station before the press performs its next press cycle. The press transfer device includes a pair of elongated transfer bars extending along the transfer directions of the press, and grippers or other article engaging elements mounted along the transfer bars to engage the articles for transfer. The transfer bars are moved together by a grip moving unit to engage the articles, the transfer bars are lifted by a lifter, the transfer bars are then moved endwise by an endwise moving unit to the next press station. The lifter then lowers the bars and the grip moving unit moves the bars apart to disengage the articles, thereby leaving the articles at the next station. The grip moving unit ensures that the transfer bars are moved far enough apart so as not to interfere with the press during the next press cycle.
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patent: 4511029 (1985-04-01), Okawa
patent: 4577748 (1986-03-01), Boegner et al.
patent: 4741195 (1988-05-01), Arai et al.
patent: 4819786 (1989-04-01), Tanaka et al.
patent: 5267463 (1993-12-01), Doyama
patent: 5562196 (1996-10-01), Zierpka et al.
patent: 5617756 (1997-04-01), Thudium et al.
Advanced Automation for Parts Transfer in the Metal Industry, "Intelligente Automationstechnik fur Umformpressen", GPA-JAKOB, no date, 8 pages.
Livernois Die & Automation, "Servo-Controlled Transfers The Most Versatile Units in the World", 1994, 8 pages.
Rayer Transfertechnik, no date, 4 pages.
Pressen Automation--GPA, "Transfer systems for metal forming for new press equipment, retrofit of existing presses and interlinking of presses", no date, 8 pages.
Johnson Lawrence A.
Schmeisser Heinz H.
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