WORKING ORGAN OF EXTRUDING PRESS Russian patent published in 2007 - IPC B24B3/20 

FIELD: building equipment, namely apparatuses for making concrete and reinforced concrete articles, particularly to extruding presses for making multi-void and elongated products.

SUBSTANCE: working organ of extruding press for making hollow building structures, mainly hollow plates includes at least one working member having housing coaxial to guiding rod, void former, hollow blade auger, hollow outer and inner spindles. Outer spindle has rotation drive unit; inner spindle is mounted with possibility of its axial motion and it is joined with apparatus for transmitting vibration to it. Outer spindle is joined with inner spindle through attachment transmitting rotation from outer spindle to inner one and providing free movements of spindles one relative to other in axial direction. Inner spindle is joined with auger; auger is joined by means of articulation joint with void former that may move relative to housing of working member in direction of its own lengthwise axis. In second variant of invention working organ of extruding press for making hollow building structures has inner spindle of working member provided with rotation drive unit. Its outer spindle is mounted with possibility of axial motion and it is joined with apparatus for transmitting to it axial vibration. Outer spindle is joined with inner spindle through attachment transmitting rotation from inner spindle to outer spindle and providing their free motion one relative to other in axial direction.

EFFECT: enhanced working parameters of extruding press, increased density and strength of concrete due to subjecting void formers and partially augers to lengthwise axial vibration, high quality of products due to improved plasticity, lowered friction of concrete mixture just along boundary of concrete mixture and working surfaces of void formers and auger blade.

14 cl, 6 dwg