AUTOMATIC MACHINE FOR PLASTIC WORKING OF MATERIALS Russian patent published in 1997 - IPC

FIELD: plastic material working, namely, eccentric or crank presses for hot forming of blanks step-by-step transported through working zone of press. SUBSTANCE: automatic machine includes drive eccentric shaft with driven pinion and mounted on it connecting rod with slide; mechanism for converting rotation of shaft provided with sun gear stationarily mounted on frame and having internal teeth engaged with planetary gear. Eccentric sleeve supporting driven pinion is mounted on eccentric shaft. Mechanism for converting rotation has additional gear secured to eccentric shaft and kinematically joined with planetary gear by means of idle gear. Planetary and idle gears are mounted on eccentric sleeve. Revolution number of eccentric shaft is three times as great in comparison with number of reverse strokes of slide. EFFECT: improved design. 2 cl, 4 dwg