MULTIPLE MAGAZINE TYPE DRAWING BENCH Russian patent published in 2006 - IPC B21C1/00 

FIELD: wire production by drawing.

SUBSTANCE: drawing bench includes draw plates and traction drums having in their shafts pinions driven by common motor. According to invention controlled clutches are mounted in shafts. Drums are arranged in common housing along path in the form of flat helix in center of which gear wheel is mounted. Said gear wheel is joined with all pinions at relation of tooth number of pinion of each previous and next drum equal to normalized drawing factor in draw plate of next drum. Drums are made with possibility of adjusting their diameter due to rotation mounting in shaft of each drum screw with left-hand and right-hand threads. Two cone sleeves mounted on said thread have central openings respectively with left-hand and right-hand threads. Said sleeves have cone surfaces turned one to other. Working surface of drum is formed by means of telescopic cleats secured to shaft and arranged between two flanges. Inner surfaces of said cleats have two inclined portions with guides engaged with reciprocal grooves in cone surfaces of both sleeves.

EFFECT: lowered mass and size, simplified design and tuning of drawing bench.

5 dwg, 3 ex