B - Operations – Transporting – 23 – K
Patent
B - Operations, Transporting
23
K
113/33
B23K 5/00 (2006.01) B21D 51/26 (2006.01) B23K 11/06 (2006.01)
Patent
CA 1321925
ABSTRACT OF THE DISCLOSURE: During the rounding of sheet-metal blanks, problems have hitherto arisen in the rounding apparatus because the leading edge of the rounded sheet-metal blanks struck against a stationary stop at the end of a slit between an inner shell and an outer shell, so that the sheet-metal blank rebounded and did not have a defined starting position for further conveying. In order to overcome this problem, the stop is constructed in the form of a pivotally movable damping flap on which there is formed a catch hook which closes the slit at its end. Compression springs are disposed between the damping flap and the inner shell. Under the impact of the sheet-metal blank, the catch hook yields and urges the damping flap about the pivot axis pressing its front portion into the slit as a result of which the sheet-metal blank is temporarily clamped against the outer shell. Subsequently, the damping flap is restored via the compression springs and the rounded sheet-metal blanks can thus be taken over by the dogs of the conveyor chains from a defined position and be conveyed further.
564509
Elpatronic Ag
Robic
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