EP0141136B1 - Parcours de retard pour un appareil de pliage - Google Patents

Parcours de retard pour un appareil de pliage Download PDF

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Publication number
EP0141136B1
EP0141136B1 EP84110358A EP84110358A EP0141136B1 EP 0141136 B1 EP0141136 B1 EP 0141136B1 EP 84110358 A EP84110358 A EP 84110358A EP 84110358 A EP84110358 A EP 84110358A EP 0141136 B1 EP0141136 B1 EP 0141136B1
Authority
EP
European Patent Office
Prior art keywords
belt
delay section
eccentric
section according
plane
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.)
Expired
Application number
EP84110358A
Other languages
German (de)
English (en)
Other versions
EP0141136A1 (fr
Inventor
Ingo Köbler
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.)
Manroland AG
Original Assignee
MAN Roland 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
Priority claimed from DE19833332809 external-priority patent/DE3332809C2/de
Priority claimed from DE19833338814 external-priority patent/DE3338814C2/de
Application filed by MAN Roland Druckmaschinen AG filed Critical MAN Roland Druckmaschinen AG
Publication of EP0141136A1 publication Critical patent/EP0141136A1/fr
Application granted granted Critical
Publication of EP0141136B1 publication Critical patent/EP0141136B1/fr
Expired 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
    • B65H29/68—Reducing the speed of articles as they advance
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2403/00—Power transmission; Driving means
    • B65H2403/50—Driving mechanisms
    • B65H2403/51—Cam mechanisms
    • B65H2403/514—Cam mechanisms involving eccentric
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2404/00—Parts for transporting or guiding the handled material
    • B65H2404/20—Belts
    • B65H2404/26—Particular arrangement of belt, or belts
    • B65H2404/261—Arrangement of belts, or belt(s) / roller(s) facing each other for forming a transport nip
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/19—Gearing
    • Y10T74/19555—Varying speed ratio

Definitions

  • the invention relates to a tape delay line for a folder, in which folded or to be folded copies can be introduced into a tape line system forming the delay line, the tapes of which can be driven at a variable speed in such a way that when the copy is taken over, the tapes (tape sections) have a high rate Run speed, after which they reduce their speed after detecting the specimens (see DE-A-3049595).
  • the band delay lines shown can be arranged, for example, behind the folding flap or collecting cylinder of a folding apparatus in order to feed the cross-folded printed copies to a third fold, the so-called “second longitudinal fold”.
  • the belt deceleration line must therefore take over the folding copies at machine speed and then brake them, the delivery of the folding copies, for example to a pair of folding rollers, to take place at minimum speed.
  • This belt deceleration system essentially consists of eccentrics 2 and 3, which are arranged on a shaft 1 in a manner fixed against relative rotation, around which the upper belt 4 is partially guided. As can be seen in FIG. 1, both eccentrics 2, 3 have the same eccentricity X. The shape and size of the eccentrics 2 and 3 are the same, but the eccentric 3, based on the eccentric 2, is offset by 180 ° on the shaft 1.
  • the belt section a is fed to the upper eccentric 2, which, as shown in FIG. 2, lies in a different plane than the eccentric 3.
  • the belt section b leaves the eccentric 2 and becomes a deflection roller 5 led.
  • the deflecting roller 5 has the task of deflecting the belt 4 and guiding it from the plane of the eccentric 2 into the plane of the eccentric 3, as can be seen in FIG. 2.
  • the belt section c passes behind the deflection roller 5 to the eccentric 3 and also wraps partially around it, after which the belt section d is first fed to a belt guide roller 6 and then via the belt section e to the belt guide roller 7. Between the rollers 7, 6, the belt section f passes through the delay line A.
  • the belt section a is returned to the plane of the eccentric 3 by the belt guide roller 6.
  • the band delay system shown in Figs. 1 and 2 comprises an upper and a lower band.
  • the lower band 4 ' is guided in the same way, but in mirror image, to the upper band 4, which is why the same reference numerals are used for the same components, but each are provided with an apostrophe to distinguish them.
  • the inventive leadership of the belts 4, 4 'and the arrangement and design of the eccentric means that when the shaft 1 or 1' rotates, which can be driven, the belts 4, 4 'change their speed in the delay line A in the Modify the rhythm of the rotation of the eccentrics 2, 3 or 2 ', 3' in such a way that the copies E to be folded or to be folded in from the right are grasped at the maximum speed and then decelerated. If the copies E reach their minimum speed, they can be folded away in a known manner, for example with the aid of a folding knife.
  • the delay line according to the invention can be created at very low cost.
  • FIGS. 3 and 4 show a modification of the tape guide shown in FIGS. 1 and 2. Since essentially the same components are used in this second embodiment. To distinguish them, only one was prefixed to each reference number.
  • the band 14 is fed with its band section 1a first around the eccentric 13 and then over the band section 1 to the deflection roller 15, after which the band section 1c reaches the eccentric 12.
  • both the deflection roller 15 and behind it are rotated by 180 ° of the belt sections 1b and 1c, these rotations of course being carried out in the opposite direction. That is, if the band section 1b is rotated through 180 ° to the right, the band section 1c is rotated through 180 ° to the left, that is, rotated back again.
  • the belt section 1d behind the eccentric 12 then arrives at the belt guide roller 16 and as belt section e to the belt guide roller 17.
  • the delay line A is between the belt guide rollers 17 and 18 formed, the band guide roller 18 lying below the deflection roller 15 being jointly responsible for guiding the band section 1a into the plane of the eccentric 13.
  • FIGS. 3 and 4 A comparison of the embodiment according to FIGS. 1 and 2 with FIGS. 3 and 4 shows that the embodiment according to FIGS. 3 and 4 takes up a little more space, since the belt 14 with the sections 1d, 1e must be guided around the outside of the belt guide roller 16 .
  • the specimens E entering the delay line A from the right are taken over at the maximum speed of this section of tape and then decelerated in the manner already described.
  • the belt section 2a passes around a front belt guide roller 25, that is to say in the plane of the front eccentric 23, after which the belt section 2b is fed to the front eccentric 23.
  • the band section 2c arrives at a band guide roller 26, which is also in the plane of the eccentric 23.
  • the offset takes place via the belt section 2d to the belt guide roller 27 lying in the plane of the eccentric 22.
  • the belt section 2e then reaches the rear eccentric 22.
  • the belt section 2f runs to the one lying in the plane of the eccentric 22 Tape guide roller 29 and then to the tape guide roller 28 in the same plane as the tape section 2g.
  • the parts and band sections lying in the plane of the rear eccentric 22 have been marked with an asterisk.
  • the tape 24 is returned in the tape section 2a, since the tape guide roller 30 is again in the plane of the eccentric 23, that is to say in the front plane.
  • the lower band line section 2i of the delay line A is formed between the band guide rollers 30 and 31.
  • a return, d. H. a detour around the entire arrangement This runs as a band section 2j around the band guide roller 32, as a band section 2k around the band guide roller 33, as a band section 21 around the band guide roller 34 and as a band section 2m around the band guide roller 35.
  • the upper band section 2n of the delay line A is formed between the band guide rollers 35 and 25. All tape guide rollers 30 to 35 are in the same plane.
  • rotation of the eccentrics 22, 23 around the shaft 21 results in a deceleration and an acceleration of the belt sections 2i and 2n in the deceleration section A, the required path compensation being automatically ensured by the double eccentrics 22, 23.
  • a deflection roller 15 and 18 is indicated schematically, which is equipped with unspecified rims on both sides. Such rollers ensure a safe guidance of the tapes used.
  • eccentric also means eccentric-like curves.
  • the two eccentrics used do not necessarily have to be identical curves, but can also be calculated so that no relative movements occur.
  • FIGS. 8 to 10 Another exemplary embodiment is described with reference to FIGS. 8 to 10.
  • Fig. 8 shows a tape delay line for a folder into which folded or to be folded copies can be inserted.
  • the tapes of this tape line system can be driven at a variable speed in such a way that when a copy is taken over, the tapes or tape sections run at a high speed, after which they reduce their speed after the copies have been detected.
  • the copies EO entering the delay line AO from the right are taken over at the maximum speed of this strip section and, as already mentioned, decelerated so that, for example, a fold can be made downwards at the minimum speed.
  • the belt section 20a runs to a front, i.e. H. in the plane of a front eccentric or cam disk 230 lying tape guide roller 250, after which it is fed to the front eccentric 230 as a band section 20b.
  • the band section 20c arrives at a band guide roller 260, which is also in the plane of the eccentric 230.
  • the plane offset takes place in the band section 20d to the band guide roller 270 lying in the plane of the rear eccentric or cam disc 220.
  • the band section 2e then runs directly to the rear eccentric 220.
  • the band 240 runs as a section 20f to the tape guide roller 290 lying in the plane of the eccentric 220 and then to the tape guide roller 280 in the same plane as the tape section 20g.
  • the parts and band sections lying in the plane of the rear eccentric 220 have been marked with an asterisk.
  • the band is returned to the front plane 240 via the band section 20b, since the band guide roller 300 is again in the plane of the eccentric 230, that is to say in the front plane.
  • the lower band line section 20i of the delay line AO is formed between the band guide rollers 300 and 310.
  • a return that is to say a detour around the entire arrangement, must then take place. This runs as a belt section 20j around the belt guide roller 320, as a belt section 20k around the belt guide roller 330, as a belt section 201 around the belt guide roller 340 and as a belt section 20m around the belt guide roller 350.
  • the upper belt section 20n of the delay line AO is formed between the belt guide rollers 350 and 250. All tape guide rollers 300 to 330 are on the same level.
  • the belt section 20c is not guided from the front eccentric 230 directly to the belt guide roller 260, but via a roller 360 forming a belt length compensation element, which e.g. B. is movable via a lifting element 400 in the direction of the arrow, so that in the inventive design of the outer contour of the eccentric 220, 230, a compensation of the rhythmically occurring band length differences can take place.
  • a roller 360 forming a belt length compensation element, which e.g. B. is movable via a lifting element 400 in the direction of the arrow, so that in the inventive design of the outer contour of the eccentric 220, 230, a compensation of the rhythmically occurring band length differences can take place.
  • an eccentric can also be used, the outer contour and eccentricity of which are fixed in such a way that it can compensate for the band length differences that occur.
  • the two eccentrics 220, 230 used which are arranged in mirror image to a common center line MO in order to obtain the smallest band length differences, each have an outer contour that deviates from the circular shape.
  • one half of the outer contour each has approximately the shape of an isometric and the other half has the shape of a dimetric ellipse. This results in sinusoidal decelerations and sinusoidal accelerations in the band sections 20i and 20n in the band delay line AO during the rotation of the eccentrics 220, 230.
  • the measure of the eccentricity XO of the eccentrics 220, 230 depends on the ratio of maximum speed to minimum speed.
  • a minimum speed of 0 would result if this measure corresponds to half the diameter, i. H. if the two eccentrics 220, 230 would rotate about a point lying on their periphery.
  • the ratio of approximately 4: 1 is sufficient, which means that in this case the common center of rotation is approximately at the level of the lower focal point of the two eccentrics 220, 230 with the approximately elliptical curve shape.
  • FIGS. 9 and 10 show how the contour of an eccentric can be empirically determined by processing an eccentric, with the aid of which the desired sinusoidal deceleration and acceleration in the deceleration path are possible.
  • 2 shows the development of the outer contour 380 in 30 ° steps of one half of the eccentric according to the invention for the range from 0 ° to 180 °, wherein this is rotated from 0 ° to 180 ° in the direction of the arrow.
  • the outer contour 390 has no influence in FIG. 9 yet.
  • the distance traveled in the deceleration section AO between two belt rolls, not specified, is in each case plotted for 30 °.
  • the mirror-image arrangement of the eccentrics 220, 230 to form a common line MO results in a minimal path difference to be compensated for in the band section 20c, so that the band length compensation elements used have to perform the smallest stroke.

Claims (13)

1. Couloir de décélération pour appareil de pliage, dans lequel des exemplaires pliés ou à plier peuvent être introduits dans un ensemble transporteur à bandes formant le couloir de décélération, dont les bandes (4, 14, 24) peuvent être entraînées avec une vitesse variable de telle manière que, au moment de la prise en charge d'un exemplaire, les bandes (les segments de bandes) défilent à une vitesse élevée, après quoi, après avoir saisi les exemplaires, ces bandes diminuent leur vitesse, caractérisé en ce que les bandes (4, 14, 24) embrassent au moins partiellement des excentriques de même dimension situés dans deux plans, qui sont disposés sur un arbre commun (1, 11, 22) et qui présentent la même excentricité (X), le brin (c, 1c, 2c) provenant d'un excentrique (2, 13, 23) étant dévié par un premier rouleau de renvoi (5, 15, 27) et amené dans le plan de l'autre excentrique (3, 12, 22) tandis que la bande (4,14, 24) est ramenée en sens inverse par un deuxième rouleau de renvoi (6, 18, 30) qui se trouve en amont ou en aval du couloir de décélération (A).
2. Couloir de décélération selon la revendication 1, caractérisé en ce que des rouleaux de guidage de bande (6, 7 ; 17, 18 ; 25, 35) sont disposés dans le même plan de part et d'autre du couloir de décélération (A).
3. Couloir de décélération selon la revendication 1 ou la revendication 2, caractérisé en ce que, à l'endroit où la bande (14) est renvoyée du plan du premier excentrique (12) dans le plan de l'autre excentrique (13), le segment de bande (1 b, 1c) qui passe sur le rouleau de renvoi (15) est retourné sur lui-même de 180° à deux reprises. (figure 4).
4. Couloir de décélération selon les revendications 1 à 3, caractérisé en ce que les excentriques (2. 3:12,13) sont décalés de 180° l'un par rapport à l'autre sur l'axe (11, 11').
5. Couloir de décélération selon l'une des revendications précédentes, caractérisé en ce que, de part et d'autre du couloir de décélération (A) (figures 1, 3), deux circuits de bandes analogues (4, 4' ; 14, 14') sont disposés l'un au-dessus de l'autre.
6. Couloir de décélération selon la revendication 1, caractérisé en ce que les excentriques (22, 23) (figure 5) sont disposés en superposition l'un derrière l'autre sur l'arbre (21).
7. Couloir de décélération selon la revendication 5, caractérisé en ce que le couloir de décélération (figure 5) (A) comprend une seule bande (24), le segment de bande inférieur (2i) étant formé par le passage de la bande (24) en contournement autour de l'ensemble du dispositif d'excentriques et de rouleaux de guidage, sur des rouleaux de renvoi (31, 32, 33, 34, 35) qui se trouvent dans le même plan.
8. Couloir de décélération selon l'une des revendications précédentes, caractérisé en ce qu'au moins deux circuits de bande sont disposés l'un à côté de l'autre transversalement à la direction de transport des bandes (4, 4' ; 14, 14' ; 24).
9. Couloir de décélération selon la revendication 1. caractérisé en ce que les cames (220, 230) présentent un contour différent de la forme circulaire, de sorte que, dans le couloir de décélération (AO), les segments de bande (20i, 20n) qui circulent entre ces cames sont décélérés et accélérés rythmiquement dans un mode sinusoïdal et en ce que, dans le segment de bande (20c) dans lequel la bande (240) est amenée du plan d'une came (220) dans le plan de l'autre came (230), est disposé un élément (560) de compensation de longueur de bande.
10. Couloir de décélération selon la revendication 9, caractérisé en ce que l'élément de compensation de longueur de bande (360) est un rouleau de guidage de bande pouvant être actionné par un piston de vérin (400).
11. Couloir de décélération selon la revendication 9, caractérisé en ce que l'élément de compensation de longueur de bande (360) est une came rotative.
12. Couloir de décélération selon la revendication 9, caractérisé en ce que les cames (220, 230) sont disposées sur un arbre (210), symétriquement par rapport à un centre commun (MO).
13. Couloir de décélération selon l'une des revendications 9 à 12, caractérisé en ce que la moitié du périmètre de chaque came (220, 230) présente à peu près la forme d'une ellipse isométrique et l'autre moitié à peu près la forme d'une ellipse dimétrique, le centre de rotation commun des deux cames (220, 230) se trouvant à peu près au niveau d'un foyer des ellipses.
EP84110358A 1983-09-12 1984-08-31 Parcours de retard pour un appareil de pliage Expired EP0141136B1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE3332809 1983-09-12
DE19833332809 DE3332809C2 (de) 1983-09-12 1983-09-12 Bandverzögerungsstrecke für einen Falzapparat
DE3338814 1983-10-26
DE19833338814 DE3338814C2 (de) 1983-10-26 1983-10-26 Bandverzögerungsstrecke für einen Falzapparat

Publications (2)

Publication Number Publication Date
EP0141136A1 EP0141136A1 (fr) 1985-05-15
EP0141136B1 true EP0141136B1 (fr) 1986-12-30

Family

ID=25813921

Family Applications (1)

Application Number Title Priority Date Filing Date
EP84110358A Expired EP0141136B1 (fr) 1983-09-12 1984-08-31 Parcours de retard pour un appareil de pliage

Country Status (2)

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US (1) US4601387A (fr)
EP (1) EP0141136B1 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1995012540A1 (fr) * 1993-11-02 1995-05-11 Gruner + Jahr Ag & Co. Dispositif pour le transport de produits plats souples
US6405850B1 (en) * 1999-03-31 2002-06-18 Heidelberger Druckmaschinen Ag Apparatus and method for advancing signatures using a retracting drive
US8025291B2 (en) * 2006-01-10 2011-09-27 Goss International America, Inc. Signature velocity reduction device and method
WO2009043359A1 (fr) * 2007-10-05 2009-04-09 Schur Packaging Systems A/S Dispositif d'insertion avec transporteur à courroie possédant des rouleaux de courroie supérieurs excentriques
US8377249B2 (en) 2009-04-03 2013-02-19 The Procter & Gamble Company Appraratus and method for providing a localized speed variance of an advancing substrate
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
US9144624B2 (en) 2013-07-19 2015-09-29 The Procter & Gamble Company Method for providing a localized dwell in an advancing web

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB561067A (en) * 1942-10-30 1944-05-03 Paul Grodzinski Improvements in eccentric gear mechanism
DE905138C (de) * 1948-10-02 1954-02-25 Hans Fischer Verfahren zum Betrieb eines Bogenanlegers fuer Druckereimaschinen mit ungleichfoermiger, insbesondere beim Anlegen des Bogens an der Anlegemarke sich vermindernder Geschwindigkeit der Bogenfuehrung
US3152595A (en) * 1963-02-26 1964-10-13 Samuel J Silberman Apparatus for forming and wrapping cigars
DE1561722B2 (de) * 1967-12-08 1972-08-31 Jagenberg-Werke AG, 4000 Düsseldorf Vorrichtung zum foerdern und ablegen ueberlappter bogen aus papier oder dgl.
DE1782119B2 (de) * 1968-07-20 1973-05-24 Holstein & Kappen Maschinenfabrik Phönix GmbH, 4600 Dortmund Beschickungs- und entladevorrichtung fuer flaschenreinigungsmaschinen
DE2750792C3 (de) * 1977-11-14 1981-09-03 Albert-Frankenthal Ag, 6710 Frankenthal Falzapparat
DE3049595A1 (de) * 1980-12-31 1982-07-08 Albert-Frankenthal Ag, 6710 Frankenthal Baenderstrecke zum transport und zur verlangsamung von falzprodukten
DE3321811C2 (de) * 1983-06-16 1986-01-02 M.A.N.- Roland Druckmaschinen AG, 6050 Offenbach Falzapparat für Rollenrotationsdruckmaschinen

Also Published As

Publication number Publication date
US4601387A (en) 1986-07-22
EP0141136A1 (fr) 1985-05-15

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