EP1894872A1 - Falzmaschine mit einziehbarem Nocken zum Umschalten des Betriebsmodus - Google Patents

Falzmaschine mit einziehbarem Nocken zum Umschalten des Betriebsmodus Download PDF

Info

Publication number: EP1894872A1
Authority: EP; European Patent Office
Prior art keywords: cam; folder; mask; cams; cylinder
Prior art date: 2006-08-28
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Granted

Application number

EP07291042A

Other languages

English (en)

French (fr)

Other versions

EP1894872B1 (de

Inventor

Cyrille Belleculee

Michel Griffon

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Goss International France SAS

Original Assignee

Goss Systemes Graphiques Nantes SAS

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

2006-08-28

Filing date

2007-08-24

Publication date

2008-03-05

2007-08-24 Application filed by Goss Systemes Graphiques Nantes SAS filed Critical Goss Systemes Graphiques Nantes SAS

2008-03-05 Publication of EP1894872A1 publication Critical patent/EP1894872A1/de

2010-10-27 Application granted granted Critical

2010-10-27 Publication of EP1894872B1 publication Critical patent/EP1894872B1/de

Status Not-in-force legal-status Critical Current

2027-08-24 Anticipated expiration legal-status Critical

Images

Classifications

- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H45/00—Folding thin material
- B65H45/12—Folding articles or webs with application of pressure to define or form crease lines
- B65H45/16—Rotary folders
- B65H45/162—Rotary folders with folding jaw cylinders
- B65H45/168—Rotary folders with folding jaw cylinders having changeable mode of operation

Definitions

the invention applies in particular to the folding of paper strips printed by offset presses.
the holding devices consist of pins that engage in the edges of the cut sheets.
the folding cylinder In jaw folders, the folding cylinder cooperates with a jaw cylinder to ensure the folding of the sheets. Specifically, the leaves are pushed by the engaging blades ("tucking blades" in English) between the jaws of the jaw cylinder to ensure the folding of the leaves. In the bending machines on the fly, the jaw cylinder is replaced by two fluted rollers.
These folders can operate in dual production mode ("straight” in English) and accumulation mode ("collect” in English).
double production mode each sheet is cut, held on the folding cylinder and then individually folded by cooperation of an engaging blade with either the jaw cylinder or the fluted rollers, depending on the category of the folder.
the pimples holding the leaf are simultaneously released from the sheet to allow the folded sheet to be evacuated in the form of a notebook.
Displacement of the pins and engaging blades is provided via the control cams on which cam followers, in the form of rollers connected to the engaging blades and pins, roll.
control cams for example have recesses in which each roller can penetrate to cause the withdrawal of the corresponding pins, and thus release the sheet, or to cause the projection of the corresponding engaging blade, to produce a fold in the sheet.
a first cut sheet is held on the folding cylinder to be covered by a second cut sheet.
the accumulation mode therefore makes it possible to produce notebooks with a larger number of pages.
two mask cams are arranged laterally adjacent to the control cams of the pins and the engaging blades. These cams masks have projections to the right of the recesses of the control cams.
the shafts carrying the rollers for rolling on the control cams also carry other rollers for rolling on the masking cams.
these other rollers roll over the protrusions of the masking cams and prevent the rollers associated with the control cams from entering the corresponding recesses.
the mask cams thus neutralize zones of the control cams and avoid, in a controlled manner, the movement of the pins and the engaging blades.
the mask cams rotate around the axis of the folding cylinder at a speed generally equal to 2.5 times that of the folding cylinder, when the folding cylinder is equipped with five holding devices and five engaging blades. .
the speed of the mask cam is 1.5 times that of the folding cylinder.
the mask cams To switch from accumulation mode to dual production mode, the mask cams must be disengaged and locked in one position angular in which they do not interfere with the control cams. Reverse operations are required to return to accumulation mode.
the change of mode therefore requires precise angular positioning, in particular to immobilize the cams or masks, and to ensure their re-engagement. This is restrictive and also strongly limits the automation possibilities of the folding mode change.
An object of the invention is to solve this problem by providing a bender of the aforementioned type that allows to simply switch from accumulation mode to dual production mode.
the object of the invention is a folding machine of the aforementioned type, characterized in that the mask cam comprises two half-cams, substantially symmetrical to each other with respect to the axis of the cylinder, radially movable each between a retracted position and an extracted position, the mask cam being in dual-operation configuration when the half-cams are in the retracted position and in accumulated operating configuration when the half-cams are in the retracted position.
FIG. 1 schematically illustrates a folding machine 1 on the fly, it being understood that the invention which will be described later with reference to FIGS. 3 to 7 can be applied equally to flyers or jaw folders or to any other type of machine. folder.
the folder 1 is used to cut and fold a strip 2, printed for example by an offset printing press, in order to create notebooks.
the folder 1 comprises a folding cylinder 3, a cutting cylinder 4 shown in dotted lines and two corrugated rollers 5.
the folder is a 3/2 folder and therefore comprises three series of pins 6, 7 and 8 and three engaging blades 9, 10 and 11.
Series 6, 7 and 8 of pins and engaging blades 9, 10 and 11 are movably mounted on the folding cylinder 3 under the action of rollers which are rolled on unrepresented control cams. More generally, these rollers may be called cam followers. These rollers are carried by the folding cylinder 3 and rotated by the latter.
a sheet 12 has been cut from the strip 2 by the cylinder 4 and has been held there by the series of pins 8.
the roller associated with the series of pins 8 has penetrated into a recess of the corresponding control cam, causing the retraction of the series of pins 8 which allows the rollers 5 to evacuate the sheet 12.
the sheet 12 is then provided with a fold transverse to the direction of scrolling and forms a notebook comprising a single sheet.
Parts B to D in FIG. 1 illustrate how the folder 1 will continue to cut and subsequently fold sheets 13, 14 and 15 from the strip 2, the folding roll 3 continuing to rotate in a clockwise fashion. shows in Figure 1.
FIG. 1 illustrates the accumulation folding mode with again portions A to D representing successive steps.
a sheet 16 cut from the strip 2 is held on the folding cylinder 3 and is not folded as it passes by 5. This is ensured by temporarily neutralizing the reliefs corresponding control cams series of pins and engaging blades, through one or more cams masks.
the folding cylinder 3 also carries another sheet 17 which has been previously cut in the strip 2 and which is held on the cylinder 3 by the series of pins 6.
a sheet 18 is cut and wound on the sheet 17 and, when the engaging blade 9 is facing the rollers 5, the latter and the series of pins 6 are actuated to release the leaves 17 and 18 and push them between the rollers 5 to form a notebook of two sheets provided with a transverse fold.
Parts C and D of FIG. 2 illustrate the subsequent cutting of two other sheets 19 and 20.
the accumulation folding mode therefore makes it possible to produce notebooks with a larger number of pages.
FIGS 3 to 7 illustrate a folder according to the invention.
FIG. 3 schematically illustrates an end 21 of the folding cylinder 3 which is received via a bearing 22 in one of the side walls 24 of the frame of the folder 3.
the wall 24 shown is for example that located on the service side.
the other side wall of the frame located on the transmission side, is provided with means for ensuring a rotational drive of the rolls and rolls of the folder, and in particular of the folding roll 3 about its axis A.
FIG. 3 shows the control cam 26 of the series of pins 6 to 8, this cam 26 is disposed around the end 21 of the cylinder 3 and is fixed on the wall 24.
this cam 28 is also attached to the side wall 24.
cam followers 30 and 34 symmetrical of those shown have not been represented on the upper part of FIG. 3.
FIG. 3 there is a hollow 37 of the control cam 28 in which the cam follower 30 can not penetrate because of the support of the cam follower 34 on the mask cam 36. This is typically the phenomenon which occurs during accumulation operation as described later.
each other cam follower of the control cam 26 and each cam follower of the control cam 28 are associated with another cam follower intended to cooperate with the mask cam 36.
these latter cam followers are located in different planes of Figure 3 and are not visible in this figure.
All cam followers are carried by the folding cylinder 3 and thus accompany it in its rotations about its axis A.
the mask cam 36 has a shape and an arrangement of its elements substantially symmetrical with respect to the axis A.
Its hub 38 is arranged around the end 21 of the cylinder 3 and, thanks to the bearings 46, can rotate freely relative thereto.
a gear train 48 is carried by the wall 24 to drive the mask cam 36 in rotation about the axis A, from the end 21 of the cylinder 3, at a rotational speed which is, for example, 1.25 the cylinder 3, if the cylinder 3 is equipped with five engaging blades and five holding devices. If the folding cylinder 3 is equipped with three engaging blades and three holding devices, the speed of the mask cam 36 is 0.75 times that of the folding cylinder 3.
the half cam 40 has a generally circular shape and has a radially outer surface 50 intended to come into contact with the cam followers 34.
a first end 52 of the half-cam 40 is articulated on the hub 38 at a point 53.
the other end 54 of the half-cam 40 is connected to the end 52 of the other cam half 40 by a spring 42 and the hub 48 by a toggle mechanism 44.
the half-cam 40 is movable radially by pivoting relative to the hub 38 between two positions.
a first position is illustrated in Figure 4. This is an extracted position. In this position, the surface 50 is located radially on the outside as illustrated by the outer circle C2 in phantom.
the two springs 42 are in relaxed positions and the toggle mechanisms 44 are in misaligned positions and the ends 54 of the half-cams are farther from the axis A.
the folder 1 can then operate in accumulation mode as will be described later.
Figure 5 illustrates the second position, that is, the retracted position.
the surface 50 is located radially further inward as materialized by the inner circle C2.
the springs 42 are then in compressed positions and the corresponding ends 54 of the half-cams 40 are therefore closer to the axis A.
the toggle mechanisms 44 are still in misaligned positions but in positions other than those they occupy on Figure 4.
the toggle mechanisms 44 are then in end positions.
Figure 5 corresponds to a mode of operation of the bender 1 in double production.
the toggle mechanisms 44 pass through aligned positions, in which their intermediate hinges 56 and their hinges 58 connect to the half-cams 40 and to the hub 38 are aligned.
FIGS. 6 and 7 illustrate the configuration change control system of the mask cam 36.
the direction of rotation of the mask cam 36 is shown schematically by the arrow F.
This system 60 comprises a switch 62 which can be actuated via a jack 64 and possibly an arm 66.
the jack 64 is a pneumatic cylinder with double effect.
the switch 62 is for example constituted by a rail delimited by two lateral edges 67 and which converges from a wide inlet 68 to a narrow outlet 70.
the switch 62 can pivot at a point 71 with respect to the wall 24 between a first position (FIG. 6), in which the outlet 70 is close to the axis A, and a second position (FIG. 7), in which the output 70 is spaced from the axis A.
the switch 62 is intended to cooperate, as will be described later with members, for example rollers 72, carried by the intermediate hinges 56 of the toggle mechanisms 44.
the mask cam 36 is in the configuration shown in FIG. 5 and the switch 62 in the position illustrated in FIG.
the outer surfaces 50 of the half-cams 40 are therefore radially recessed and do not interfere with the reliefs of the control cams 26 and 28.
the followers 34 of the mask cam 36 do not come into contact with each other. the latter and the movements of the series of pins 6 to 8 and the engaging blades 9 to 11 are only controlled by the cam followers associated with the cams 26 and 28 which roll over them.
the jack 64 causes the switch 62 to move to the position removed from FIG. 7.
the first roller 72 to enter, due to the rotation of the cam 36, into the referral 62 between progressively in contact with the inner edge 67, which causes the progressive radial spacing of the roller 72 to the path materialized by the circle C4.
the corresponding toggle mechanism 44 passes, under the combined action of the springs 42 which push the half-cams 40 to their positions of Figure 4, in the aligned position and then in the misaligned position of Figure 4.
the cam mask 36 is then in the configuration of FIG. 4.
the radially outer edges 50 of the half-cams 40 are then located radially more outward than the bottoms of the recesses of the control cam 26 and the recesses 37 of the control cam 28.
cam followers 34 rolling on the outer surfaces 50 will prevent the followers of the cams 26 and 28 from entering these recesses.
the mask cam 36 therefore interferes with the control cams 26 and 28 in order to reach the accumulation operation described with reference to FIG. 2.
the cam 36 therefore has a simple and reliable operation and is economical.
rollers 34 do not come into contact with the mask cam 36, which therefore limits the wear of these different elements.
the mask cam 36 forms a mechanically bistable assembly, it is not likely to be affected by a power failure or a total loss of pressure in the supply circuit.
the kinetic energy associated with the rotation of the cam 36 is thus divided by four, which proves particularly interesting for high speed production bending machines.
the same mask cam is used both to interfere with the control cams 26 and 28, which saves a cam compared to the benders that previously used two.
the mask cam 36 may have another structure, for example with only one active part, and whose radial displacement is not necessarily provided via a toggle mechanism.
the jack 64 is preferably provided with blockers of its exhaust chambers in order to overcome any unwanted air interruptions during production.
the jack 64 may be more generally replaced by any other actuating device and may be provided with sensors for detecting its position.
the invention can also be applied to a jaw folder. As illustrated by FIG. 8, in such a folder the rollers 5 are replaced by a jaw cylinder 75.

Landscapes

Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)
Switches With Compound Operations (AREA)

EP07291042A 2006-08-28 2007-08-24 Falzmaschine mit einziehbarem Nocken zum Umschalten des Betriebsmodus Not-in-force EP1894872B1 (de)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
FR0607564A FR2905081B1 (fr)	2006-08-28	2006-08-28	Plieuse a came masque retractable pour changement de mode de fonctionnement.

Publications (2)

Publication Number	Publication Date
EP1894872A1 true EP1894872A1 (de)	2008-03-05
EP1894872B1 EP1894872B1 (de)	2010-10-27

Family

ID=37898380

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP07291042A Not-in-force EP1894872B1 (de)	2006-08-28	2007-08-24	Falzmaschine mit einziehbarem Nocken zum Umschalten des Betriebsmodus

Country Status (7)

Country	Link
US (1)	US7744518B2 (de)
EP (1)	EP1894872B1 (de)
JP (1)	JP4778487B2 (de)
CN (1)	CN101148115B (de)
AT (1)	ATE486036T1 (de)
DE (1)	DE602007010061D1 (de)
FR (1)	FR2905081B1 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JP5194311B2 (ja) *	2010-12-24	2013-05-08	株式会社東京機械製作所	折畳み装置
JP5425294B1 (ja) *	2012-11-21	2014-02-26	株式会社東京機械製作所	バリアブルカットオフ折機、及びバリアブルカットオフ折機を備える印刷機
DE102013203471B3 (de) *	2013-03-01	2014-02-06	Koenig & Bauer Aktiengesellschaft	Zylinder eines Falzapparates
DE102013102728A1 (de) *	2013-03-18	2014-09-18	Manroland Web Systems Gmbh	Falzeinrichtung einer Druckmaschine und Verfahren zum Betreiben der Falzeinrichtung
CN114249169A (zh) *	2021-12-06	2022-03-29	佛山市宝索机械制造有限公司	一种改善分叠爪动作方式的折叠机

Citations (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2016486A (en) *	1933-05-04	1935-10-08	Goss Printing Press Co Ltd	Folding mechanism
WO2005102889A1 (de)	2004-04-26	2005-11-03	Koenig & Bauer Aktiengesellschaft	Falzapparat für den sammelbetrieb

Family Cites Families (10)

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Publication number	Priority date	Publication date	Assignee	Title
DE4041613A1 (de) *	1990-02-19	1991-08-22	Frankenthal Ag Albert	Falzapparat
FR2692875B1 (fr) *	1992-06-25	1994-10-07	Heidelberger Druckmasch Ag	Appareil de pliage pour la réalisation d'exemplaires pliés à partir d'une bande de papier imprimée.
FR2711576B1 (fr) *	1993-10-26	1996-01-19	Heidelberg Harris Sa	Dispositif de commande de l'accumulation ou non accumulation d'un cylindre coupeur-accumulateur d'une plieuse.
JP3756960B2 (ja) *	1993-12-01	2006-03-22	東芝機械株式会社	コレクト機構付折機
DE19616629A1 (de) *	1995-08-23	1997-11-06	Heidelberg Harris Sa	Vorrichtung zur Umstellung eines produktführenden Zylinders am Falzapparat
DE69608386T2 (de) *	1995-09-19	2000-09-21	Goss Graphic Systems, Inc.	Antriebsvorrichtung für eine Falzmaschine in einer Druckmaschine
US6093139A (en) *	1998-01-27	2000-07-25	Heidelberger Druckmaschinen Ag	Folding apparatus for rotary printing presses
US6547232B2 (en) *	2000-12-01	2003-04-15	Heidelberger Druckmaschinen Ag	Device and method for switching between collect and straight modes on a folder
JP2004149272A (ja) *	2002-10-31	2004-05-27	Tokyo Kikai Seisakusho Ltd	コレクト折り機能付き折機
JP4267512B2 (ja) *	2004-04-30	2009-05-27	株式会社小森コーポレーション	折機の平行折装置

2006
- 2006-08-28 FR FR0607564A patent/FR2905081B1/fr not_active Expired - Fee Related
2007
- 2007-08-24 EP EP07291042A patent/EP1894872B1/de not_active Not-in-force
- 2007-08-24 AT AT07291042T patent/ATE486036T1/de not_active IP Right Cessation
- 2007-08-24 DE DE602007010061T patent/DE602007010061D1/de active Active
- 2007-08-27 CN CN2007101929693A patent/CN101148115B/zh not_active Expired - Fee Related
- 2007-08-28 JP JP2007221338A patent/JP4778487B2/ja not_active Expired - Fee Related
- 2007-08-28 US US11/895,957 patent/US7744518B2/en not_active Expired - Fee Related

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2016486A (en) *	1933-05-04	1935-10-08	Goss Printing Press Co Ltd	Folding mechanism
WO2005102889A1 (de)	2004-04-26	2005-11-03	Koenig & Bauer Aktiengesellschaft	Falzapparat für den sammelbetrieb

Also Published As

Publication number	Publication date
FR2905081B1 (fr)	2010-04-30
US7744518B2 (en)	2010-06-29
EP1894872B1 (de)	2010-10-27
US20080064583A1 (en)	2008-03-13
CN101148115A (zh)	2008-03-26
FR2905081A1 (fr)	2008-02-29
JP2008056493A (ja)	2008-03-13
JP4778487B2 (ja)	2011-09-21
DE602007010061D1 (de)	2010-12-09
CN101148115B (zh)	2010-06-02
ATE486036T1 (de)	2010-11-15

Publication	Publication Date	Title
EP1894872B1 (de)	2010-10-27	Falzmaschine mit einziehbarem Nocken zum Umschalten des Betriebsmodus
WO2012116781A1 (fr)	2012-09-07	Dispositif de deroulage de bande pour machine d'impression par estampage
EP1803557B1 (de)	2011-08-17	Druckerpresse mit verbesserter Bahneinzugsvorrichtung und entsprechendes Bahneinzugsverfahren
EP1803558B1 (de)	2008-08-20	Druckeinheit mit Risikobegrenzung zur Beschädigung der Zylinder in Druck-Abstellung durch Papierbahnwickler und entsprechende Druckmaschine
EP0928682B1 (de)	2004-05-19	Vorrichtung zum mechanischen Behandeln von Papier, wobei die Vorrichtung ein verbessertes Lager für eine Walze aufweist und Verfahren zum Austauschen der Walzen in dieser Vorrichtung
FR2513608A1 (fr)	1983-04-01	Appareil de manutention de feuilles minces de materiau
EP1803560B1 (de)	2012-03-28	Druckeinheit welche in Druck-Abstellung bei laufender Papierbahn den Wechsel einer Gummituchhülse ermöglicht und entsprechende Druckmaschine
FR2925391A1 (fr)	2009-06-26	Dispositif de pliage longitudinal pour presse rotative
WO2012150386A1 (fr)	2012-11-08	Dispositif d'empilage de feuilles de papier ou similaire
US6513750B2 (en)	2003-02-04	Lockout cam for a bedroll of a rewinder
FR3003199A1 (fr)	2014-09-19	Dispositif de pliage de machine d'impression et procede d'utilisation de ce dispositif de pliage
BE1012432A5 (fr)	2000-11-07	Came multiple ajustable automatiquement pour des machines a forger.
FR2887179A1 (fr)	2006-12-22	Cylindre collecteur pour un appareil de pliage d'une machine a impression
JP5248908B2 (ja)	2013-07-31	枚葉紙印刷機の印刷装置の間の渡しドラム
FR2518930A1 (fr)	1983-07-01	Plieuse pour rotative d'imprimerie, a systeme de pliage transversal
EP1803561B1 (de)	2009-01-28	Druckeinheit mit einer Konfiguration zur Druckabstellung im Stillstand und einer Konfiguration zum Gummituchwechsel und entsprechende Druckmaschine
EP1803559B1 (de)	2011-07-13	Druckeinheit deren Übertragungszylinder unterschiedliche Amplituden für Druck-Abstellung und entsprechend für die Druck-Anstellung aufweist
WO2009153484A1 (fr)	2009-12-23	Unité d'impression avec deux dispositifs d'écartement et utilisation correspondante
WO2004012941A2 (fr)	2004-02-12	Machine a imprimer.
FR2797216A1 (fr)	2001-02-09	Plieuse d'une machine a imprimer rotative et cylindre guide-exemplaires d'une telle plieuse
CH364515A (fr)	1962-09-30	Machine rotative à polycopier et à imprimer
EP2492229B1 (de)	2013-12-11	Faltmaschine
BE570414A (de)
BE371177A (de)
BE396569A (de)

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