EP0429884A1 - Plieuse pour machine d'impression - Google Patents

Plieuse pour machine d'impression Download PDF

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Publication number
EP0429884A1
EP0429884A1 EP90121001A EP90121001A EP0429884A1 EP 0429884 A1 EP0429884 A1 EP 0429884A1 EP 90121001 A EP90121001 A EP 90121001A EP 90121001 A EP90121001 A EP 90121001A EP 0429884 A1 EP0429884 A1 EP 0429884A1
Authority
EP
European Patent Office
Prior art keywords
transport unit
conveyor belt
speed
upper conveyor
belt
Prior art date
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.)
Withdrawn
Application number
EP90121001A
Other languages
German (de)
English (en)
Inventor
André Reponty
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.)
Heidelberger Druckmaschinen AG
Original Assignee
Heidelberger Druckmaschinen AG
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.)
Filing date
Publication date
Application filed by Heidelberger Druckmaschinen AG filed Critical Heidelberger Druckmaschinen AG
Publication of EP0429884A1 publication Critical patent/EP0429884A1/fr
Withdrawn legal-status Critical Current

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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
    • B65H29/00—Delivering or advancing articles from machines; Advancing articles to or into piles
    • B65H29/66—Advancing articles in overlapping streams
    • B65H29/6609—Advancing articles in overlapping streams forming an overlapping stream
    • B65H29/6618—Advancing articles in overlapping streams forming an overlapping stream upon transfer from a first conveyor to a second conveyor advancing at slower speed
    • B65H29/6627—Advancing articles in overlapping streams forming an overlapping stream upon transfer from a first conveyor to a second conveyor advancing at slower speed in combination with auxiliary means for overlapping articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H29/00—Delivering or advancing articles from machines; Advancing articles to or into piles
    • B65H29/68—Reducing the speed of articles as they advance

Definitions

  • the invention relates to a folder for a printing press.
  • the object of the invention is to improve the accuracy of the product delivery in the folder of a rotary printing press for a large number of paper types.
  • the object is achieved in that a first transport unit and a second transport unit are arranged with respect to one another in such a way that the folded copies leaving the first transport unit at high speed (V) go directly into the second transport unit and are slowed down by at least one gripping element to a low one Speed (v) are braked.
  • the folded copies are not detected at their front edge for slowing down, but are correctly aligned in a stream of shingles by one or more gripping elements. Subsequent processing of the folded copies is thereby considerably simplified.
  • the use of two transport units allows the fold copies to be guided precisely at different transport speeds.
  • the folded copies are conveyed in the first transport unit at a distance C which is greater than the length of the folded copies and conveyed in a shingled arrangement in the second transport unit.
  • the advantage of this embodiment of the invention is the slowdown to a short deceleration path in the folder.
  • the deceleration device comprises a shaft, cylinder faces and a hollow cylinder, in which at least one gripping element is arranged on shafts, the tangential speed of which corresponds to the low speed (v).
  • the gripping elements implement a periodic braking to the speed of the conveyor belt of the second deceleration unit.
  • gripping elements can be arranged fixedly or rotatably in the deceleration device.
  • Another favorable embodiment of the subject matter of the invention provides that the gripping elements rotate in the opposite direction with respect to the rotation of the deceleration device.
  • the rotation of the gripping elements advantageously allows an effective delay of the folded copies entering the second transport unit.
  • the gripping elements which rotate counter to the transport direction of the lower conveyor belt, allow uniformly scaled fold copy delivery even at high feed speeds.
  • Another cheap variant of the subject matter of the invention provides that one pulley is attached to the housing wall and one pulley is assigned to shafts, via which a belt rotates. In this way, a safe drive of the gripping elements can be achieved in a compact, space-saving design.
  • the transport units comprise endless conveyor belts on which the first or the second sequence of folded copies is conveyed, the lower conveyor belts are moved by driven cylinders which work together in such a way that the relationship between low speed ( v) and high speed (V) is maintained, that the decelerator grips copies at the right moment and that the speed (V) corresponds to that of the incoming product stream due to the connection to the printing press.
  • This ensures an exact, synchronous interaction of the individual transport units and the deceleration device, which does not require readjustment and remains constant over time.
  • a further embodiment provides that adjusting devices are provided in order to regulate the height of the axis of rotation of the cylinder of the lower conveyor belt and to adjust the position of the gripping elements of the deceleration device. This allows the deceleration device to be easily adapted to different types of paper and to different types of folds, the distance between the folds in the stream of shingles also being adjustable.
  • the first transport unit and the second transport unit each comprise an endless upper transport belt, which corresponds to the respective lower transport belt, in order to ensure the sequence of the folded copies, the driven cylinders cooperating with one another in such a way that in the first transport unit the upper one Conveyor belt and the lower conveyor belt assume the speed (V) and the driven cylinders of the second transport unit work together so that the upper and lower conveyor belts assume the speed (v). It is advantageous to guide the folded copies on the top and bottom at the same speeds, so that slipping of the folded copies is prevented and uniform delivery is achieved.
  • Another favorable embodiment provides that the lower conveyor belt and the upper conveyor belt of the first transport unit rotate on driven cylinders, the axes of rotation of which lie in a transversely inclined plane. This supports the transition of the folded copies emerging from the first transport unit into the second transport unit and therefore also allows high production speeds.
  • the front area of the upper conveyor belt of the second transport unit overlaps with the rear area of the upper conveyor belt of the first transport unit and that the folded copies are guided during the transition from the first transport unit to the second transport unit.
  • the advantage of this embodiment is the guidance during the transition through moving belts, so that no relative movements occur between the top and bottom of the folded copy and the conveyor belts.
  • the upper conveyor belts consist of several belts, with a shaft being provided after the first transport unit, which receives a plurality of rollers, which are independent of rotation, and a belt of the upper conveyor belt of the first transport unit on one roller and one belt each of the upper belt of the second transport unit on another roller.
  • a continuous upper hinge guide can be achieved in a space-saving design. The independence of the rotation of the individual rollers from one another enables the belts to be tensioned evenly.
  • the deceleration device comprises a hollow cylinder which has at least one gripping element and that the belts of the upper conveyor belt of the second transport unit connect the outlet of the first transport unit to the lower conveyor belt of the second transport unit, by the belts between rollers and on run off the jacket of the hollow cylinder.
  • the spreading of the entry for the folded copies into the second transport unit, given by the band guide, is advantageous. This favors the transition from the inclined exit from the first transport unit to the subsequent second transport unit.
  • Fig. 1 runs a web 1, which receives a first longitudinal fold in a not shown former, between a cutting cylinder 2 and a puncture cylinder 3. There it is cut into successive fold copies 5. These fold copies 5 receive the first transverse fold when point cylinder 3 is transferred to the jaw cylinder 4.
  • the folding copies 5 are removed from the folding jaw cylinder 4 by scrapers 6. Behind the folding jaw cylinder 4, a first transport unit 7 is provided, onto which the folding copies 5 removed from the scrapers 6 arrive.
  • the folded copies 5 are conveyed in the transport unit 7 at the speed V prevailing in the upstream printing press.
  • the folded copies 5 follow one another at a distance C, which corresponds to the circumference of the printing cylinder.
  • the length L of the folding copies 5 corresponds to half the distance C, since the transverse fold is made by the folding knife between the puncturing cylinder 3 and the folding jaw cylinder 4 in the middle of the separated web sections.
  • a second transport unit 8 which is arranged behind the first transport unit 7, the folded copies 5 follow one another at a distance p, that is to say they overlap one another in scale form.
  • the speed at which the folded copies 5 are conveyed in the second transport unit 8 is v and is given by the relationship
  • the two transport units 7 and 8 are arranged with respect to one another in such a way that the folded copies 5 emerging from the first transport unit 7 at the speed V reach the second transport unit 8 directly and are braked at the right moment by a deceleration device 9.
  • Each incoming folder 5 arrives at speed V via a folder 5 preceding it, which is transported at speed v. If the distance p is reached when the folded copies 5 are pushed over one another, the new folded copy is pressed against the belts of the transport unit 8 by gripping elements 15, the tangential speed of which corresponds to the speed v, so that the new folded copy assumes the speed v.
  • the gripping elements 15 can for example be designed as brake rollers.
  • the transport units 7 and 8 comprise lower conveyor belts 20 and 21, which consist of several narrow belts arranged next to one another.
  • the conveyor belts 20, 21 rotate around cylinders so that a driven cylinder 22 moves the endless conveyor belt 20, a driven cylinder 23 moves the endless conveyor belt 21.
  • the non-driven cylinders and rollers are used to tighten and deflect the belts.
  • the position of the cylinder 24 of the second transport unit 8 is adjustable such that the strength of the braking can be adjusted by turning the cylinder 24 on or off the deceleration device 9.
  • the two transport units 7 and 8 also have upper conveyor belts 25 and 26.
  • the driven cylinder 27 drives the upper conveyor belt 25, the upper conveyor belt 26 is moved by the driven cylinder 28.
  • the driven cylinders 22, 23 and 27 and 28 work together in such a way that the associated conveyor belts have the same speed.
  • the deceleration device 9 has a shaft 10 which is rotatably mounted in the housing 11 of the folder.
  • Two cylinder faces 12A and 12B are arranged on the shaft 10, which carry a hollow cylinder 13.
  • two shafts 14A and 14B are provided opposite one another, each of which has a plurality of gripping elements 15 with the radius r.
  • the peripheral surfaces of the gripping elements 15 are provided with an elastomer.
  • openings are provided on the lateral surface for the gripping elements 15, since the sum of the radii r + R is greater than the radius of the hollow cylinder 13.
  • Two pulleys 16A and 16B of diameter D are provided opposite the cylinder faces 12A and 12B on the housing side. while each of the shafts 14A and 14B has a pulley 17A and 17B of diameter d.
  • a belt 18A rotates on the pulleys 16A and 17B, while the belt 18B rotates around the pulleys 17A and 16B, thus driving the shafts 14A and 14B.
  • the deceleration device 9 rotates at such a speed that the tangential component of the speed of the hollow cylinder 13 is greater than the speed v, while the gripping elements 15 rotate at a speed in the opposite direction so that the difference is compensated for. This means that the gripping elements 15 have a tangential speed equal to the speed v.
  • the speed of rotation of the deceleration device 9 is equal (in revolutions per unit of time) to the stream of folding copies (number per unit of time) divided by the number k of gripping points that is provided. In the present case, this is two, with a new fold copy 5 entering the transport unit 8 being braked by the gripping element 15 following on the circumference of the hollow cylinder 13.
  • Fig. 3 the drive of the gripping elements is shown.
  • the ratio D / d of the pulley diameter is from the relationship determinable.
  • the gripping elements 15 could be driven in a manner fixed to the housing and arranged coaxially to the shaft 10 thanks to a gearwheel with internal teeth. Conventional gear wheels are then arranged on the shafts 14A and 14B, which mesh with the internally toothed wheel.
  • the cylinder designated 27 there consists of rollers 46 and 47 arranged next to one another on a shaft 45.
  • the belts of the upper conveyor belt 26 are guided over the rollers 47 rotating loosely on the shaft 45.
  • the rollers 47 drive the belts of the upper conveyor belt 25 of the first transport unit 7.
  • the shaft 45 is rotatably mounted in the housing 11 of the folder.
  • FIGS. 2 and 4 The drives assigned to FIGS. 2 and 4 are shown in FIGS. 5 and 6.
  • FIG. 5 particularly shows the orientation of the individual axes of rotation with respect to one another.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Separation, Sorting, Adjustment, Or Bending Of Sheets To Be Conveyed (AREA)
  • Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)
EP90121001A 1989-11-28 1990-11-02 Plieuse pour machine d'impression Withdrawn EP0429884A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8915615A FR2654981B1 (fr) 1989-11-28 1989-11-28 Plieuse d'imprimerie.
FR8915615 1989-11-28

Publications (1)

Publication Number Publication Date
EP0429884A1 true EP0429884A1 (fr) 1991-06-05

Family

ID=9387845

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90121001A Withdrawn EP0429884A1 (fr) 1989-11-28 1990-11-02 Plieuse pour machine d'impression

Country Status (5)

Country Link
US (1) US5102111A (fr)
EP (1) EP0429884A1 (fr)
JP (1) JPH03180346A (fr)
CA (1) CA2031116C (fr)
FR (1) FR2654981B1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0663615A2 (fr) * 1994-01-12 1995-07-19 MILES INC. (an Indiana corporation) Système tampon à deux médias pourvu d'une unité d'embrayage à roue libre
US5443256A (en) * 1992-12-28 1995-08-22 Maschinenfabrik Wifag Process and device for the formation of a scale-like stream of folded printed copies

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2609754B2 (ja) * 1990-10-19 1997-05-14 エス・ケイエンジニアリング株式会社 シート積上げ装置
JP3214656B2 (ja) * 1995-03-31 2001-10-02 キヤノン株式会社 シート後処理装置及びこれを備える画像形成装置
US6561507B1 (en) * 1997-09-04 2003-05-13 Heidelberger Druckmaschinen Ag Apparatus for decelerating and shingling signatures
DE19901698B4 (de) * 1998-02-11 2008-01-24 Heidelberger Druckmaschinen Ag Vorrichtung zum Transport von Bogen oder Falzprodukten
JP3835933B2 (ja) 1998-02-27 2006-10-18 三菱重工業株式会社 折機の折り丁搬送装置
FR2779709B1 (fr) * 1998-06-11 2000-09-01 Heidelberger Druckmasch Ag Dispositif de ralentissement de cahiers
US6059711A (en) * 1998-11-02 2000-05-09 Ecom Information Co., Ltd. Device for tearing and folding paper in series
US6038974A (en) * 1998-11-05 2000-03-21 Heidelberger Druckmaschinen Ag Gripper deceleration cross folder
DE19903120A1 (de) * 1999-01-27 2000-08-03 Roland Man Druckmasch Vorrichtung zur Verlangsamung von Produkten
US6923752B1 (en) 2000-04-18 2005-08-02 Goss International Americas, Inc. Folding cylinder with expansion segment
CA2422317C (fr) 2000-10-04 2009-02-17 Bvp Holding, Inc. Appareil d'exercice
US6644193B2 (en) * 2002-03-12 2003-11-11 Elsner Engineering Works, Inc. Web cutting tuck folding machine and method
EP2433811B1 (fr) * 2003-04-14 2014-01-29 Bell and Howell, LLC Machine pour le transport et l'insertion d'enveloppes
JP2005314089A (ja) * 2004-04-30 2005-11-10 Komori Corp 搬送装置
US8002689B2 (en) * 2006-03-06 2011-08-23 Goss International Americas, Inc. Folder with signature removal and slowdown process
JP2010100413A (ja) * 2008-10-24 2010-05-06 Mitsubishi Heavy Ind Ltd 印刷機の排紙装置及びその運転方法
US8292296B2 (en) * 2009-10-30 2012-10-23 Goss International Americas, Inc. Apparatus for varying the speed of printed products having an external eccentric assembly and method
DE102017011660A1 (de) * 2017-12-15 2019-06-19 Siempelkamp Maschinen- Und Anlagenbau Gmbh Transportanordnung für Holzfaserplatten und Verfahren zum Transportieren von Holzfaserplatten

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1112446A (fr) * 1954-06-22 1956-03-14 Strecker Otto C Dr Kg Dispositif pour transporter et déposer des feuilles découpées par un couteau transversal rotatif
US2766039A (en) * 1952-09-16 1956-10-09 Maxson Automatic Mach Machine for folding, cutting, feeding, and stacking sheet material
FR1492187A (fr) * 1966-06-28 1967-08-18 Creusot Forges Ateliers Dispositif ralentisseur de sortie, pour machines à imprimer
DE2114865A1 (de) * 1971-03-27 1972-10-19 Bielomatik Leuze & Co Vorrichtung zum geschuppten Über einanderlegen von Bogen oder Bogen stapeln
DE2141340A1 (de) * 1971-08-18 1973-02-22 Bruderhaus Maschinen Gmbh Verfahren und vorrichtung zum ueberlappen von bogen
US3994221A (en) * 1975-10-02 1976-11-30 World Color Press, Inc. Sheeter for use with printing press and adding provision for arresting, squaring and diverting of sheet
EP0055405A1 (fr) * 1980-12-31 1982-07-07 Albert-Frankenthal AG Courroies transporteuses pour transporter et ralentir des articles pliés
FR2509703A1 (fr) * 1981-07-20 1983-01-21 Rengo Co Ltd Procede de commande pour un dispositif de pressage de plaques
DE3409548A1 (de) * 1983-03-21 1984-10-04 E.C.H. Will (Gmbh & Co), 2000 Hamburg Verfahren und vorrichtung zum abbremsen und ueberlappen von papierbogen in papierverarbeitungsmaschinen

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4040617A (en) * 1975-06-17 1977-08-09 Masson Scott Thrissell Engineering Limited Sheet feeding apparatus
US4214744A (en) * 1978-06-08 1980-07-29 Molins Machine Company, Inc. Snubbing apparatus
US4346881A (en) * 1979-04-12 1982-08-31 Lenox Machine Company, Inc. Method of and means for handling paper sheets to be stacked
DE2939277A1 (de) * 1979-09-28 1981-04-09 E.C.H. Will (Gmbh & Co), 2000 Hamburg Verfahren und vorrichtung zum abbremsen und ueberlappen von papierbogen
DE3502897A1 (de) * 1985-01-29 1986-08-07 Gämmerler, Hagen, 8021 Icking Verfahren und vorrichtung zum veraendern der foerdergeschwindigkeit von schuppenartig ausliegenden papierprodukten
DE3527712A1 (de) * 1985-08-02 1987-02-12 Roland Man Druckmasch Falzapparat mit einer sammelvorrichtung vor dem dritten falz
GB8619504D0 (en) * 1986-08-11 1986-09-24 Rockwell Graphic Systems Ltd Accelerating drive member
CH677778A5 (fr) * 1988-03-14 1991-06-28 Ferag Ag

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2766039A (en) * 1952-09-16 1956-10-09 Maxson Automatic Mach Machine for folding, cutting, feeding, and stacking sheet material
FR1112446A (fr) * 1954-06-22 1956-03-14 Strecker Otto C Dr Kg Dispositif pour transporter et déposer des feuilles découpées par un couteau transversal rotatif
FR1492187A (fr) * 1966-06-28 1967-08-18 Creusot Forges Ateliers Dispositif ralentisseur de sortie, pour machines à imprimer
DE2114865A1 (de) * 1971-03-27 1972-10-19 Bielomatik Leuze & Co Vorrichtung zum geschuppten Über einanderlegen von Bogen oder Bogen stapeln
DE2141340A1 (de) * 1971-08-18 1973-02-22 Bruderhaus Maschinen Gmbh Verfahren und vorrichtung zum ueberlappen von bogen
US3994221A (en) * 1975-10-02 1976-11-30 World Color Press, Inc. Sheeter for use with printing press and adding provision for arresting, squaring and diverting of sheet
US3994221B1 (fr) * 1975-10-02 1984-05-22
EP0055405A1 (fr) * 1980-12-31 1982-07-07 Albert-Frankenthal AG Courroies transporteuses pour transporter et ralentir des articles pliés
FR2509703A1 (fr) * 1981-07-20 1983-01-21 Rengo Co Ltd Procede de commande pour un dispositif de pressage de plaques
DE3409548A1 (de) * 1983-03-21 1984-10-04 E.C.H. Will (Gmbh & Co), 2000 Hamburg Verfahren und vorrichtung zum abbremsen und ueberlappen von papierbogen in papierverarbeitungsmaschinen

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5443256A (en) * 1992-12-28 1995-08-22 Maschinenfabrik Wifag Process and device for the formation of a scale-like stream of folded printed copies
EP0663615A2 (fr) * 1994-01-12 1995-07-19 MILES INC. (an Indiana corporation) Système tampon à deux médias pourvu d'une unité d'embrayage à roue libre
EP0663615A3 (fr) * 1994-01-12 1996-01-03 Miles Inc Système tampon à deux médias pourvu d'une unité d'embrayage à roue libre.
US5785312A (en) * 1994-01-12 1998-07-28 Bayer-Agfa Dual media buffer with over-running clutch system

Also Published As

Publication number Publication date
JPH03180346A (ja) 1991-08-06
US5102111A (en) 1992-04-07
CA2031116C (fr) 1995-07-25
CA2031116A1 (fr) 1991-05-29
FR2654981A1 (fr) 1991-05-31
FR2654981B1 (fr) 1995-06-16

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