Vacuum workpiece holding device for a work table

Details Vacuum workpiece holding device for a work table Vacuum workpiece holding device for a work table

1995-01-17

1996-09-10

Watson, Robert C.

Work holders

With fluid means

Vacuum-type holding means

269 95, 269296, B25B 1100

Patent

active

055538371

ABSTRACT:
A vacuum cell device for holding work pieces on a work table, and a system comprising a plurality of the vacuum cells as needed to hold a particular workpiece, is disclosed wherein the individual vacuum cells comprises a pair of vacuum units connected together by an adjustment mechanism which allows the axial spacing of the vacuum units to be adjusted to fix the cell in a desired cell height. A first vacuum unit includes a workpiece interface surrounding an open top vacuum chamber, and the second vacuum unit comprises a work surface interface surrounding an open top vacuum chamber. A sealing element is carried about the periphery of each interface to seal against the workpiece and work surface. A separate vacuum source is provided to each vacuum chamber so that vacuum to the second vacuum unit may be maintained to hold the vacuum cell in its position on the work surface while vacuum is terminated to the first vacuum unit for exchange of workpieces and processing of repetitive workpieces on the same cell pattern.

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