Sheet metal-working machine

Details Sheet metal-working machine Sheet metal-working machine

1997-03-20

1999-01-12

Underwood, Donald W.

Material or article handling

Stock pulling or pushing

With additional diverse motion of stock

1984682, 294 812, 294 816, B23Q 302

Patent

active

058578200

ABSTRACT:
The machine includes: a worktable on to which a metal sheet is loaded in use; a work station; a member for feeding the sheet along the worktable to and from the work station, the member including a carriage movable along a first horizontal axis, a slide fitted to and movable with respect to the carriage along a second horizontal axis perpendicular to the first axis, and a number of gripper assemblies fitted to the slide and each having a gripper for engaging a peripheral edge of the sheet; and a device for clamping and releasing the gripper assemblies to and from the slide. The machine also includes a positioning device fitted to the slide, and for moving the gripper assembly, with respect to the slide, along an axis parallel to the second axis, to position the gripper assembly as required with respect to the slide; the positioning device including drive means for driving the gripper assembly to be positioned, and a device for transmitting motion from the drive means to the gripper assembly to be positioned.

REFERENCES:
patent: 3860280 (1975-01-01), Karlsson
patent: 4143571 (1979-03-01), Oxenham
patent: 4669346 (1987-06-01), Benedict
patent: 5575376 (1996-11-01), Colamussi

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