ROLL TYPE BENDING MACHINE Russian patent published in 2000 - IPC

FIELD: plastic metal working, possibly manufacture of elongated tubular small-diameter shells of sheet material. SUBSTANCE: machine includes frame in which traverse bar is stationary mounted. Bearing units for supporting working roll are mounted on traverse bar. Units of front and rear roller tables having two shafts with rigidly secured to them bodies and rollers are arranged at both sides of working roll. Said bodies are placed between bearing units. Rollers are mounted in bodies normally relative to working roll with possibility of free rotation. In order to stop rotation of working roll there is device in the form of rocking spring-loaded levers, power cylinders and contact type limit switches. Levers are rigidly secured to shafts and they engage with switches. Rods of power cylinder may apply effort to rocking levers. Rollers have on their working surface annular grooves. EFFECT: enhanced efficiency, increased time period between repairing stages of roll type bending machine. 2 dwg