Vorrichtung zur Betätigung eines Stößels in einer Hub- oder Spannvorrichtung, insbesondere zum Falzen von Blechen im Automobilbau

摘要

The invention relates to a device for actuating a tappet in a lifting of clamping device, especially for folding sheet metals in car manufacture. A tappet (1) is guided in a base stand (3) and can be driven. Said tappet (1) supports the folding bed and presses the sheet metals to be folded against stationary folding tools. According to the invention, the tappet (1) is supported on at least one wedge face (7) which can be adjusted in an electromotive manner.