| 摘要 |
<p>A machine for producing venetian blinds comprises punching devices (30) for punching a strip of material (15) fed into the machine for the forming thereof into slats (20). The punching devices comprise at least one punching tool (31) and a driving device (43, 50-60) for the punching tool which is movable laterally relative to the longitudinal direction of the strip of material (15) between an operative and an inoperative position. The punching tool (31) is connected to its driving device by means of a quick coupling (63-77) comprising a disengageable locking device (66, 75) and a linear guide means (76, 77) which is parallel to the intended direction of insertion of the punching tool when inserted into the quick coupling. The punching device comprises a connecting device (78-84) for connecting and disconnecting the tool at issue to and from the tool driving device (43) of the machine.</p> |
