ROLLER SHEET-METAL BENDING MACHINE Russian patent published in 1994 - IPC

FIELD: plastic metal working; machine engineering. SUBSTANCE: roller sheet-metal bending machine has frame 1, posts 2,3, side rollers 4...5 arranged on the posts and installed on rotary levers 6, 7 with common axis of rotation 8. Rotary levers 6, 7 has drive 9, 10 to allow them to be moved. Upper roller 11 for installation at angle to horizontal plane is mounted on posts 2, 3. Swiveling support 12 with drive is hinged on post 2 from one side, frame 15 being installed in guides 14 from another side. Stop 16 which has working radius surface in horizontal plane and curvilinear side surfaces contacting with faces 19 of side rollers is rigidly fixed in the upper part of the frame 15. Main drive 21 for rotation of side rollers is mounted on frame 1. Stop is mounted on one of the guides 14 perpendicularly to side surface of frame 15. EFFECT: enhanced efficiency of plastic metal working. 2 cl, 5 dwg