Chopper folder for rotary press

Plieuse à lame pour une machine d'impression rotative

Schwertfalzeinrichtung für eine Rotationsdruckmaschine


A chopper folder for a rotary press folds signatures which are periodically conveyed, one signature at a time, from a folding machine. The chopper folder includes a pair of folding rollers (4) for folding a signature (1) parallel to the conveyance direction, a prime mover, a crank arm (15) fixed to an output shaft (12) of the prime mover to be rotated together with the output shaft (12), a blade holder (16) connected to the crank arm (15) via a link (17), a chopper blade (3) held in the blade holder (16) and adapted to push the signature (1) from an upper surface thereof in order to insert the signature (1) into a space between the pair of folding rollers (4), and guide units (23d) for restricting motion of the blade holder (16) such that the blade holder (16) reciprocates only in a direction perpendicular to a conveyance plane along which the signature (1) is conveyed.




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Patent Citations (4)

    Publication numberPublication dateAssigneeTitle
    DE-3027343-A1February 04, 1982Binder & Co Masch OppenweilerKnife drive for folding machine - has eccentric pin driven through clutch and brake systems with pins for knife up and down movement
    EP-0453832-A1October 30, 1991Komori CorporationOszillierende Falzvorrichtung für einen Falzer
    GB-1031892-AJune 02, 1966Leipziger BuchbindereimaschineImprovements in or relating to folding machines
    US-5267935-ADecember 07, 1993Heidelberg Druckmaschinen AktiengesellschaftFolding device for a web-fed rotary printing machine

NO-Patent Citations (0)


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    CN-101580190-BDecember 29, 2010长沙奥托印刷机械有限公司Lift-press type paper pressing device for composite paper folding machine
    DE-102004009864-B4June 21, 2007Koenig & Bauer AktiengesellschaftFalzapparat
    DE-102005046688-A1April 05, 2007Heidelberger Druckmaschinen AgSchwertfalzwerk und Verfahren zum Einstellen eines Schwertfalzwerks
    EP-1251095-A2October 23, 2002Heidelberger Druckmaschinen AktiengesellschaftSchwertfalzwerk mit durchgehendem Vorderkantenanschlag und verstellbaren Seitenkantenanschlägen
    EP-1251095-A3September 14, 2005Heidelberger Druckmaschinen AktiengesellschaftBlade folder with a continuous front stop and adjustable side stops
    EP-1498377-A1January 19, 2005Komori CorporationFalttisch einer Schwertfalzvorrichtung
    EP-2060523-A1May 20, 2009manroland AGDispositif destiné à plier des produits plats
    US-7438677-B2October 21, 2008Komori CorporationChopper table
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