Transfer device in a transfer press or similar metal-forming machine

US4981031A · kind A · utility

Assignee

• L. Schuler GmbH · DE

Inventors

• Franz Schneider · Göppingen, DE
• Rudi Brandstetter · Göppingen, DE
• Wolfgang Michael · Göppingen, DE

Key dates

• Filing date: Sep 28, 1989
• Grant date: Jan 1, 1991
• Expiry date: Sep 28, 2009

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B21D43/052
• WIPO field: Machine tools
• WIPO sector: Mechanical engineering

Abstract

A transfer device permits different moving sequences of holding devices for sheet metal parts which are to be moved through a metal-forming machine. The holding devices are fastened to carriages. The carriages are cam-guided, in which case carriage carries out a transfer movement from a working stage to an idle stage while taking along a sheet metal part. The return movement is interrupted in an intermediate position during the deforming operation of the sheet metal parts. The carriage carries out a transfer movement from the idle stage to a working stage and a return movement which is temporarily interrupted in an intermediate stage. As a result of the low-mass construction of carriages, high accelerations are possible in the movements. The transfer movements are shortened significantly by the use of intermediate depositing devices in the idle stages.