System for transferring plate-like objects from a first position

Details System for transferring plate-like objects from a first position System for transferring plate-like objects from a first position

1998-04-15

2000-02-15

Underwood, Donald W.

Material or article handling

Load carried along a horizontal linear path

Having gripper means

414797, B65G 6300

Patent

active

060245301

ABSTRACT:
An apparatus transfers plate-like parts, such as metal sheets, (2) from a stack to a forming station. A dual-rail stationary supporting structure (7) has tracks on which horizontal slides (15) move by means of outer cross slides (8a, 8b) and inner cross slides (9a, 9b) on tracks (10-13) in the horizontal longitudinal direction. Each horizontal slide has a vertical slide (17) whose lower end is coupled to one end of a respective inner or outer transverse member (21, 22) which has holding elements, such as suction cups (25), on the bottom to hold the plates being moved. The lateral distance (a) between the vertical slides (17) of the outer pair of cross slides (8a, 8b) is larger than the lateral distance (b) between the vertical slides (17) of the inner pair of cross slides (9a, 9b). The two inner vertical slides (17) are located between the outer vertical slides (17). The vertical slides and the traverse members form a pair of U-shaped supporting structures. The inner supporting structure (24) can pass through the outer supporting structure (23) so that the two move independently. While one carries a plate the other returns, empty, to the stack, doubling the transfer speed.

REFERENCES:
patent: 3960276 (1976-06-01), Gerhardt
patent: 4664873 (1987-05-01), Hendrich et al.
patent: 4971515 (1990-11-01), Pol et al.
patent: 5012665 (1991-05-01), Brandstetter
patent: 5718550 (1998-02-01), Lanigan, Sr. et al.
patent: 5738487 (1998-04-01), Schaede
"CNC-gesteurte Transport-Einheit zur Automatisierung von Pressenlinien (CNC-Controled Transport-Unit for Automatization of line of Presses)," L. Schuler GmbH.
Abstract of DE 32 33 428 C1 from Derwent Information Ltd.

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