Adjustable balancing block for closed loop die control
US12138675B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 31, 2020 |
| Grant date | Nov 12, 2024 |
| Priority date | — |
| Expiry date | Jul 16, 2041 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB30B15/26
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A stamp tool assembly is provided that includes a forming cavity for shaping a blank into a formed part. The stamp tool assembly includes adjustable block assembly for modifying the amount of material draw-in from subsequently stamped blanks. A draw-in sensor measures the amount of material from the blanks that is not drawn-into the forming cavity during each stroke. Based on the readings from the draw-in sensor, the adjustable block assembly is expanded or reduced. The adjustable block assembly includes a pair of opposing inclined plates having interlocking teeth such that movement of one plate with respect to the other plate changes a vertical extension of the adjustable block assembly. The adjustable block assembly sets the spacing between two opposing draw-in surfaces, which, in turn, changes the amount of draw-in. Multiple adjustable block assemblies and draw-in sensors may be used in conjunction and controlled via a controlling system.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.