Walking die pellet mill and improvements therefor

Abstract

Abstract AN APPARATUS FOR SECURING A DIE TO THE FRAME OF AN EXTRUSION MILL INCLUDING SEGMENTAL WEDGE RINGS WHICH ENGAGE TRAPEZOIDAL FLANGES ON THE DIE AND ARE WEDGED WITHIN ANNULAR FLANGES ON THE FRAME THEREOF WITH CLAMPING MEANS FOR INTERLOCKING THE WEDGE RINGS IN THE FRAME. AN APPARATUS FOR RETARDING THE DOWNWARD FLOW OF EXTRUSION MATERIAL INTO AN EXTRUSION MILL HAVING A HORIZONTAL RADIALLY PERFORATED DIE COMPRISING HELICAL LIKE BLADES DISPOSED INTERNALLY OF THE DIE AND WHICH ROTATE AHEAD OF AND ABOVE THE EXTRUSION ROLLERS. AN APPARATUS FOR RETAINING EXTRUSION ROLLERS IN OPERATING POSITION INTERNALLY OF THE DIE OF AN EXTRUSION MILL COMPRISING A COVER PLATE WHICH IS SECURED TO DRIVE POSTS AND SUPPORTS THE UPPER ENDS OF THE ROLLER JOURNAL SHAFTS. AN APPARATUS FOR ADJUSTING ROLLERS OF AN EXTRUSION MILL COMPRISING AN ADJUSTABLE LINK EXTENDING BETWEEN A DRIVE POST IN THE ROLLER ASSEMBLY AND A RADIAL EXTENSION ARM SECURED TO THE ROLLER JOURNAL SHAFT WHICH HAS A JOURNAL CENTER ECCENTRIC OF ITS ROLL CENTER. AN EXTRUSION ASSEMBLY FOR A WALKING DIE PELLET MILL CHARACTERIZED BY A SEGMENTAL WEDGE RING WHICH ENGAGES A TRAPEZOIDAL FLANGE ON THE EXTRUSION DIE TO SECURE THE DIE TO THE FRAME OF THE MILL, BY EXTRUSION MATERIAL FLOW RETARDERS FORMED OF HELICAL LIKE BLADES WHICH ROTATE AHEAD OF AND ABOVE THE EXTRUSION ROLLERS, BY A DRIVE PLATE SECURED TO DRIVE POSTS AND SUPPORTS THE UPPER ENDS OF THE ROLLER JOURNAL SHAFTS RETAINING THE ROLLERS IN OPERATING POSITION, AND BY A ROLLER ADJUSTMENT MEANS WHICH INCLUDES ADJUSTABLE LINKS EXTENDING BETWEEN SAID DRIVE POSTS AND RADIAL EXTENSION ARMS SECURED TO THE ROLLER JOURNAL SHAFTS WHICH HAVE THEIR JOURNAL CENTERS ECCENTRIC OF THEIR ROLL CENTERS.

Inventors

• 👤 Robert W Gilman

Bibliographic Details