AUTOMATIC PRESSING AGGREGATE Russian patent published in 2005 - IPC

FIELD: plastic metal working, possibly forming protrusions in tubular parts in units with automatic feed of parts and control system.

SUBSTANCE: automatic pressing aggregate includes press, upper plate with lower die moved by means of press slide, stationary lower plate supporting die set body and punches. Punches are arranged along perimeter of die set body and they have working wedges engaging with cams. Punches are built-up ones along their height, they have at least two portions whose butt zone is arranged inside sleeve between die set body and yoke. Sleeve has turnings for placing butt zone of punch. Radial openings are formed in die set body at level of butt zone of each punch normally relative to its axis. Aggregate is provided with mechanism for loading-unloading parts with use of tray having spring-loaded guide pins in its horizontal portion and with control system. The last includes controller and pickups for detecting upper and lower positions of press slide, initial position of pusher of loading-unloading mechanism, part release from die set and also sensor for controlling operation of two last pickups.

EFFECT: enhanced operational reliability of aggregate.

5 cl, 6 dwg