Pressing tool structure for sheet metal forming
AssigneeASEA Aktiebolag
InventorsGoran Dahlman, Jan-Erik Carlsson
Life of this patent
Estimating the term…
Abstract
A pressing tool for use in the cavity of a press device for forming sheet metal parts around forming tools, the pressing tool including an upper tool part with flanges at the peripheral edges thereof and directed downwardly, a lower tool part with flanges at the peripheral edges thereof and directed upwardly, wall elements positioned within the respective flanges of the upper and lower tool parts to form a forming space, a forming tool positioned in the space on the lower tool part, and an elastomeric forming pad located in the forming space for forming a work piece around the forming tool.
Claims8
In a pressing tool for forming work pieces around forming tools, the pressing tool including an upper tool part, a lower tool part and an elastomeric forming pad in the space between the upper tool part and the lower tool part, at least one of the upper tool part and the lower tool part being movable toward the other tool part, the improvement wherein:
- the upper tool part comprises an upper plate with flanges at the peripheral edges thereof directed downwardly;
- the lower tool part comprises a lower plate with flanges at the periperal edges thereof directed upwardly;
- and
- a number of separate wall elements positioned between the upper tool part and the lower tool part, said wall elements being positioned in the space between said upper tool part and said lower tool part and supported at the ends thereof inwardly of said flanges on said upper plate and the flanges of said lower plate when the upper and lower tool parts approach each other during a pressing operation.
Dependencies are inferred from the claim text.