EP1057761B1 - Transport wheel for the opening device of a printed sheet feeder - Google Patents

Transport wheel for the opening device of a printed sheet feeder Download PDF

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Publication number
EP1057761B1
EP1057761B1 EP99810492A EP99810492A EP1057761B1 EP 1057761 B1 EP1057761 B1 EP 1057761B1 EP 99810492 A EP99810492 A EP 99810492A EP 99810492 A EP99810492 A EP 99810492A EP 1057761 B1 EP1057761 B1 EP 1057761B1
Authority
EP
European Patent Office
Prior art keywords
wheel
transport
wheel according
pad
outer layer
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 - Lifetime
Application number
EP99810492A
Other languages
German (de)
French (fr)
Other versions
EP1057761A1 (en
Inventor
Alfred Glanzmann
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.)
Grapha Holding AG
Original Assignee
Grapha Holding 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
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Application filed by Grapha Holding AG filed Critical Grapha Holding AG
Priority to EP99810492A priority Critical patent/EP1057761B1/en
Priority to DE59911494T priority patent/DE59911494D1/en
Priority to JP2000134943A priority patent/JP4754046B2/en
Priority to US09/579,901 priority patent/US7007951B1/en
Publication of EP1057761A1 publication Critical patent/EP1057761A1/en
Application granted granted Critical
Publication of EP1057761B1 publication Critical patent/EP1057761B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • B65H5/00—Feeding articles separated from piles; Feeding articles to machines
    • B65H5/30—Opening devices for folded sheets or signatures
    • B65H5/305—Opening devices for folded sheets or signatures comprising rotary means for opening the folded sheets
    • B65H5/307—Opening devices for folded sheets or signatures comprising rotary means for opening the folded sheets two opposite rotary means, both having gripping means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H27/00—Special constructions, e.g. surface features, of feed or guide rollers for webs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H5/00—Feeding articles separated from piles; Feeding articles to machines
    • B65H5/08—Feeding articles separated from piles; Feeding articles to machines by grippers, e.g. suction grippers
    • B65H5/12—Revolving grippers, e.g. mounted on arms, frames or cylinders
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/40—Type of handling process
    • B65H2301/45—Folding, unfolding
    • B65H2301/453—Folding, unfolding opening folded material
    • B65H2301/4531—Folding, unfolding opening folded material by opposite opening drums
    • 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
    • B65H2404/10—Rollers
    • B65H2404/11—Details of cross-section or profile
    • B65H2404/111—Details of cross-section or profile shape
    • B65H2404/1116—Polygonal cross-section
    • 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
    • B65H2404/10—Rollers
    • B65H2404/11—Details of cross-section or profile
    • B65H2404/112—Means for varying cross-section
    • B65H2404/1122—Means for varying cross-section for rendering elastically deformable
    • 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
    • B65H2404/10—Rollers
    • B65H2404/11—Details of cross-section or profile
    • B65H2404/114—Built-up elements
    • B65H2404/1141—Built-up elements covering a part of the periphery
    • 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
    • B65H2404/10—Rollers
    • B65H2404/11—Details of cross-section or profile
    • B65H2404/115—Details of cross-section or profile other
    • B65H2404/1152—Markings, patterns
    • 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
    • B65H2404/10—Rollers
    • B65H2404/13—Details of longitudinal profile
    • B65H2404/136—Details of longitudinal profile with canals

Definitions

  • the invention relates to a transport disk according to the preamble of claim 1.
  • Feeder serve to the withdrawn from a stack sheet open and on a transport device, in particular chain of custody, store.
  • a transport device in particular chain of custody, store.
  • To open the sheet have such investors two opening drums B and C, which open the Grasp the printed sheet at the free end of the sheet and open it.
  • the bow ends of grippers or suckers released. After releasing it is crucial that the Bow be transported by means of transport discs, until they straddle the gathering chain.
  • the transport discs must accordingly different thicknesses of products safely transport.
  • the transport discs must therefore not only different Take product thicknesses, but also a lot thin and unstable products with sufficient contact pressure clamp so that the bow geometrically exactly on the gathering chain can be transported.
  • the invention is based on the object, a transport disc of the type mentioned, which causes the difficulties mentioned avoids.
  • the invention is achieved with a generic transport disc according to the characterizing part of claim 1.
  • a compensation area is provided axially below an outer load-bearing layer, which area is substantially more elastic in the radial direction than the load-bearing outer layer.
  • the adaptation to different product densities is achieved by a radial compression of this compensation area.
  • the supporting outer layer can therefore be made of relatively abrasion-resistant and stable plastic.
  • the thickness compensation takes place, as mentioned, in the underlying compensation area.
  • the radial deformation can be comparatively large and is for example in the range of 8 to 10 mm.
  • the radial thickness of the outer layer is for example 4 to 8 mm, preferably about 6 mm. Due to the relatively high deformation range, both very thin and delicate products as well as thick products can be transported from solid paper.
  • the compensation area is formed by a development of the invention by a plurality of spoke-like webs.
  • spoke-like webs disc or lamellar, they can support the supporting outer layer particularly reliable and secure radially and axially.
  • These webs also allow a very elastic deformation in a wide radial length range. For this purpose, further provided for a further development oblique arrangement of webs substantially contribute.
  • a further layer is arranged radially below the compensation area, which has means for fastening the support to a body of the transport disk.
  • the attachment is done for example with screws. This allows a simple and relatively quick replacement of the pad. It is also conceivable, however, a design in which the pad attached directly to the body of the transport disc, for example, is cast or vulcanized.
  • FIG. 1 shows schematically a feeder 27 for folded and openable signature, in particular a saddle stitcher is, with the folded sheet 1 with a drum A respectively withdrawn individually at the bottom of a stack 6 and in known manner of an opening drum B and an opening drum C are supplied.
  • the stack 6 is above the drum A. arranged a support frame 7 and the respective lowermost sheet For example, with grippers not shown here or Deducted suckers.
  • the transport of the sheet 1 from the stack 6 to the two cooperating opening drums B and C. is well known to those skilled in the art and need not be further explained here to become.
  • the drums A to C are on two opposite Bearing 5 stored and not shown here known means driven clock accurate.
  • the drum A turns in Figure 1 in the counterclockwise direction, the drum B in a clockwise direction and the drum C in the counterclockwise direction according to arrow 28.
  • FIG. 1 shows a folded sheet 1 coming from the opening drum B at a front free arch member end 1a with Grippers 2 is taken and the same with the drum C and their grippers 3 at the other front free arch part end 1b is taken.
  • the folded spine 1c of the print sheet is trailing.
  • FIG. 1 shows the Beginning of the opening process.
  • the sheet 1 is opened further and after the Gripper 2 and 3 have released the sheet 1, the Sheet 1 further transported down and straddling the collection chain 4 dropped.
  • the current collecting chain 4 transports the sheet 1, for example, to a not shown here Stapler.
  • the printing sheet 1 Since the printing sheet 1 with a comparatively high speed open and transported, it is essential that they when dropped on the gathering chain 4 geometrically guided exactly are.
  • the clamping takes place on circular arc sections 30 and 31 on the circumference of the disc 29 and the transport disc 14.
  • These surfaces 30 and 31 are preferably cylindrical surfaces.
  • the transport disk 14 has two segmental supports 16 on. Between these supports 16, as can be seen, arranged on the circumference of the transport disk 14, the gripper 3. Conceivable, however, is an embodiment in which only a support 16 or more than two supports 16 arranged are.
  • the two supports 16 are shown in FIG 2 by means of screws 17th detachable on a disk-shaped body 15 of the transport disk 14 attached.
  • On the body 15 are between the pads 16 two Clamping rollers 26 mounted, each with a gripper 3 for Grasping a bow end 1b work together in a known manner.
  • the operation of the two grippers 3 takes place in each case with a Shaft 11, on which the gripper 3 each with a screw thirteenth are attached.
  • the shafts 11 are each in a bearing 12 arranged the transport disc 14 and can have a here not shown cam in a known manner for actuation the gripper 3 are rotated.
  • the pads 16 are preferably each formed the same and have a preferably rubbery body 32, the on an arcuate support 18 arranged on the inside, for example made of sheet metal, is cast.
  • the rubber-elastic Body 32 securely holds on the carrier 18 are in the carrier 18th several breakthroughs 25 incorporated, to which the rubber-elastic Body 32 is anchored.
  • the Pads 16 each releasably attached to the circumference of the body 15. Conceivable here are other fasteners.
  • the terms 16 could also be cast directly on the bodies 15.
  • the bodies 32 each have a supporting outer layer 20, a middle compensation area 21 and an inner Layer 24 on.
  • the compensation area 21 is preferably through a plurality of spoke-like webs 22 are formed, which the connect two layers 20 and 24 together.
  • the spokes 22 are preferably formed lamellar or strip-shaped and according to FIG. 3 preferably extend over the whole width of the pads 16. Instead of spokes could also an annular web connection (alös double-T-section) between the supporting outer layer 20 and the inner layer 24 be formed. It is essential now that the compensation area 21 radially in a relatively large area elastic is deformable.
  • the supporting outer layer 20 becomes however, much less with such radial deformation deforms and retains its stability.
  • the deformation area the compensation area 21 is, as mentioned, comparatively high and is for example 0 to 7 mm. Accordingly, between the two opening drums B and C products up to a Thickness of approximately 7 mm can be transported. At a very thin signature is the deformation in the compensation area 21 correspondingly low. Such thin and light printed sheet 1 are kept sufficient with comparatively lower clamping force. For larger deformation in the compensation area 21 at thicker sheet 1 a higher clamping force exerted. at maximum deformation are spaces 23 between the webs 22 is substantially closed and the supporting layer 22nd is correspondingly offset radially inwards.
  • the rubber-elastic body 32 preferably consist of a comparatively abrasion-resistant plastic. Particularly suitable as a plastic polyurethane and preferably castable polyurethane. Such a polyurethane material is under the trademark VULKOLLAN offered. Such a plastic acts in the proposed Bodies 32 radially yielding and goes to a discharge very fast back to the original shape.
  • Figures 4a to 4c show pads 16 ', 16 "and 16' '' according to variants according to the invention.
  • the above-mentioned embodiment is here only the body 32 ', 32' 'and 32' '' different.
  • the webs 22 ' In the embodiment according to the figure 4a, the webs 22 'with in essential radial extension arcuate.
  • the webs 22 '' In the execution according to the figure 4b, the webs 22 '' are arranged so that the gaps 23 '' are approximately triangular.
  • the execution according to the figure 4c are also radially extending arcuate webs 22 '' ', but in a different arrangement, provided.
  • the compensation area 21 is then formed by a plastic, which is much more elastic is as the layer 20.
  • the spaces 23 can also be filled with a rubber-elastic plastic.
  • the opening drum B or only these may be formed with the inventive construction.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Discharge By Other Means (AREA)
  • Feeding Of Articles By Means Other Than Belts Or Rollers (AREA)

Description

Die Erfindung betrifft eine Transportscheibe gemäss Oberbegriff des Anspruchs 1.The invention relates to a transport disk according to the preamble of claim 1.

Anleger dienen dazu, die von einem Stapel abgezogenen Druckbogen zu öffnen und auf eine Transportvorrichtung, insbesondere Sammelkette, abzulegen. Zum Öffnen der Druckbogen weisen solche Anleger zwei Öffnungstrommeln B und C auf, welche die zu öffnenden Druckbogen jeweils an den freien Bogenenden fassen und öffnen. Nach dem Öffnen werden die Bogenenden von Greifern oder Saugern losgelassen. Nach dem Loslassen ist es entscheidend, dass die Bogen mittels Transportscheiben weiter transportiert werden, bis sie rittlings auf die Sammelkette fallen.Feeder serve to the withdrawn from a stack sheet open and on a transport device, in particular chain of custody, store. To open the sheet have such investors two opening drums B and C, which open the Grasp the printed sheet at the free end of the sheet and open it. After opening, the bow ends of grippers or suckers released. After releasing it is crucial that the Bow be transported by means of transport discs, until they straddle the gathering chain.

Mit Anlegern und insbesondere mit Sammelheftanlegern müssen in der Regel sehr unterschiedlich dicke Druckprodukte und auch sehr verschiedene Papierarten verarbeitet werden. Die Transportscheiben müssen entsprechend unterschiedlich dicke Produkte sicher transportieren. Die Transportscheiben müssen somit nicht nur unterschiedliche Produktedicken aufnehmen, sondern zudem auch sehr dünne und wenig stabile Produkte mit hinreichender Anpresskraft klemmen, damit die Bogen geometrisch exakt auf die Sammelkette transportiert werden können. With investors and in particular with booklet bookers must in usually very different thicknesses of printed products and also very different types of paper are processed. The transport discs must accordingly different thicknesses of products safely transport. The transport discs must therefore not only different Take product thicknesses, but also a lot thin and unstable products with sufficient contact pressure clamp so that the bow geometrically exactly on the gathering chain can be transported.

Im Stand der Technik sind Transportscheiben bekannt, die am Umfang eine elastische Auflage aus einem Silikonschlauch besitzen. Der Silikonschlauch wird je nach Dicke der Produkte radial zusammengepresst. Bei einem solchen Silikonschlauch besteht die Schwierigkeit, dass er auf dem Körper der Transportscheibe schwierig zu befestigen ist. Zudem ist die Klemmkraft, welche durch den Silikonschlauch ausgeübt wird, schwierig zu kontrollieren. Ferner sind Auflagen aus einem streifenförmigen Moosgummi bekannt. Die Streifen werden auf den Körper der Transportscheibe aufgeklebt. Je nach Schaumstoffdichte ist hier die Anpresskraft sehr unterschiedlich. Zudem ist diese Auflage sehr verschleissanfällig und nicht flexibel. Die Auflage muss hier deshalb sehr häufig und vergleichsweise aufwendig ausgewechselt werden.In the prior art transport discs are known, the circumference have an elastic support of a silicone tube. The silicone tube is compressed radially depending on the thickness of the products. In such a silicone tube is the Difficulty that he is on the body of the transport disc difficult to attach. In addition, the clamping force, which is through the silicone tube, difficult to control. Furthermore, pads are made of a strip-shaped sponge rubber known. The strips are placed on the body of the transport disc glued. Depending on the foam density here is the contact pressure very different. In addition, this edition is very susceptible to wear and not flexible. The edition must be here Therefore, very often and comparatively expensive replaced become.

Der Erfindung liegt die Aufgabe zugrunde, eine Transportscheibe der genannten Art zu schaffen, welche die genannten Schwierigkeiten vermeidet.The invention is based on the object, a transport disc of the type mentioned, which causes the difficulties mentioned avoids.

Die Erfindung ist mit einer gattungsgemässen Transportscheibe gemäss Kennzeichen des Anspruchs 1 gelöst.
Bei der erfindungsgemässen Transportscheibe ist axial unterhalb einer äusseren tragenden Schicht ein Ausgleichsbereich vorgesehen, der in radialer Richtung wesentlich elastischer ist als die tragende äussere Schicht.
Die Anpassung an unterschiedliche Produktedichten erfolgt durch eine radiale Kompression dieses Ausgleichsbereichs. Die tragende äussere Schicht kann deshalb aus vergleichsweise abriebfestem und stabilem Kunststoff hergestellt werden. Der Dickenausgleich erfolgt, wie erwähnt, im darunterliegenden Ausgleichsbereich. Die radiale Deformation kann vergleichsweise gross sein und liegt beispielsweise im Bereich von 8 bis 10 mm. Die radiale Stärke der äusseren Schicht beträgt beispielsweise 4 bis 8 mm, vorzugsweise etwa 6 mm. Aufgrund des vergleichsweise hohen Deformationsbereichs können sowohl sehr dünne und heikle Produkte als auch dicke Produkte aus festem Papier transportiert werden.The invention is achieved with a generic transport disc according to the characterizing part of claim 1.
In the case of the transport disk according to the invention, a compensation area is provided axially below an outer load-bearing layer, which area is substantially more elastic in the radial direction than the load-bearing outer layer.
The adaptation to different product densities is achieved by a radial compression of this compensation area. The supporting outer layer can therefore be made of relatively abrasion-resistant and stable plastic. The thickness compensation takes place, as mentioned, in the underlying compensation area. The radial deformation can be comparatively large and is for example in the range of 8 to 10 mm. The radial thickness of the outer layer is for example 4 to 8 mm, preferably about 6 mm. Due to the relatively high deformation range, both very thin and delicate products as well as thick products can be transported from solid paper.

Der Ausgleichsbereich wird nach einer Weiterbildung der Erfindung durch eine Mehrzahl speichenartiger Stege gebildet. Sind diese speichenartigen Stege scheiben- oder lamellenförmig, so können sie die tragende äussere Schicht besonders zuverlässig und sicher radial als auch axial stützen.
Diese Stege ermöglichen zudem eine sehr elastische Deformation in einem weiten radialen Längenbereich.
Dazu kann weiter die nach einer Weiterbildung vorgesehene schräge Anordnung dieser Stege wesentlich beitragen.The compensation area is formed by a development of the invention by a plurality of spoke-like webs. Are these spoke-like webs disc or lamellar, they can support the supporting outer layer particularly reliable and secure radially and axially.
These webs also allow a very elastic deformation in a wide radial length range.
For this purpose, further provided for a further development oblique arrangement of webs substantially contribute.

Nach einer Weiterbildung der Erfindung ist radial unterhalb des Ausgleichsbereichs eine weitere Schicht angeordnet, die Mittel zur Befestigung der Auflage an einem Körper der Transportscheibe aufweist.
Die Befestigung erfolgt beispielsweise mit Schrauben. Dies ermöglicht ein einfaches und vergleichsweise schnelles Auswechseln der Auflage. Denkbar ist aber auch eine Ausführung, bei welcher die Auflage direkt am Körper der Transportscheibe befestigt, beispielsweise angegossen oder aufvulkanisiert ist.According to a development of the invention, a further layer is arranged radially below the compensation area, which has means for fastening the support to a body of the transport disk.
The attachment is done for example with screws. This allows a simple and relatively quick replacement of the pad. It is also conceivable, however, a design in which the pad attached directly to the body of the transport disc, for example, is cast or vulcanized.

Weitere vorteilhafte Merkmale ergeben sich aus den abhängigen Patentansprüchen, der nachfolgenden Beschreibung sowie der Zeichnung.Further advantageous features emerge from the dependent Claims, the following description and the Drawing.

Ein Ausführungsbeispiel der Erfindung wird nachfolgend anhand der Zeichnung näher erläutert. Es zeigen:

Figur 1
schematisch die Teile eines Anlegers mit einer erfindungsgemässen Transportscheibe,
Figur 2
eine Ansicht einer Transportscheibe,
Figur 3
schematisch einen Schnitt durch eine Öffnungstrommel eines Anlegers, und
Figuren 4a bis 4c
weitere Ausführungsvarianten einer geeigneten Auflage.
An embodiment of the invention will be explained in more detail with reference to the drawing. Show it:
FIG. 1
2 schematically the parts of an investor with a transport disc according to the invention, FIG.
FIG. 2
a view of a transport disc,
FIG. 3
schematically a section through an opening drum of an investor, and
FIGS. 4a to 4c
Further variants of a suitable edition.

Die Figur 1 zeigt schematisch einen Anleger 27 für gefalzte und zu öffnende Druckbogen, der insbesondere ein Sammelheftanleger ist, mit dem die gefalzten Druckbogen 1 mit einer Trommel A jeweils einzeln an der Unterseite eines Stapels 6 abgezogen und in bekannter Weise einer Öffnungstrommel B und einer Öffnungstrommel C zugeführt werden. Der Stapel 6 ist über der Trommel A auf einem Traggestell 7 angeordnet und der jeweils unterste Druckbogen wird beispielsweise mit hier nicht gezeigten Greifern oder Saugern abgezogen. Der Transport der Bogen 1 vom Stapel 6 zu den beiden miteinander zusammenarbeitenden Öffnungstrommeln B und C ist dem Fachmann gut bekannt und braucht hier nicht weiter erläutert zu werden. Die Trommeln A bis C sind an zwei gegenüberliegenden Lagerschildern 5 gelagert und mit hier nicht gezeigten bekannten Mitteln taktgenau angetrieben. Die Trommel A dreht in Figur 1 im Gegenuhrzeigersinn, die Trommel B im Uhrzeigersinn und die Trommel C gemäss Pfeil 28 im Gegenuhrzeigersinn.1 shows schematically a feeder 27 for folded and openable signature, in particular a saddle stitcher is, with the folded sheet 1 with a drum A respectively withdrawn individually at the bottom of a stack 6 and in known manner of an opening drum B and an opening drum C are supplied. The stack 6 is above the drum A. arranged a support frame 7 and the respective lowermost sheet For example, with grippers not shown here or Deducted suckers. The transport of the sheet 1 from the stack 6 to the two cooperating opening drums B and C. is well known to those skilled in the art and need not be further explained here to become. The drums A to C are on two opposite Bearing 5 stored and not shown here known means driven clock accurate. The drum A turns in Figure 1 in the counterclockwise direction, the drum B in a clockwise direction and the drum C in the counterclockwise direction according to arrow 28.

Die Figur 1 zeigt einen gefalzten Bogen 1, der von der Öffnungstrommel B an einem vorderen freien Bogenteilende 1a mit Greifern 2 gefasst wird und der gleichfalls mit der Trommel C und deren Greifern 3 an dem anderen vorderen freien Bogenteilende 1b gefasst wird. Der gefalzte Rücken 1c des Druckbogens ist nachlaufend. Zwischen den beiden Öffnungstrommeln B und C und unterhalb diesen befindet sich eine an sich bekannte Sammelkette 4 oder eine andere Transportvorrichtung. Die Figur 1 zeigt den Beginn des Öffnungsvorganges. Beim Weiterdrehen der beiden Trommeln B und C wird der Bogen 1 weiter geöffnet und nachdem die Greifer 2 und 3 den Druckbogen 1 losgelassen haben, wird der Druckbogen 1 weiter nach unten transportiert und rittlings auf die Sammelkette 4 abgeworfen. Die laufende Sammelkette 4 transportiert den Druckbogen 1 beispielsweise zu einer hier nicht gezeigten Heftvorrichtung. FIG. 1 shows a folded sheet 1 coming from the opening drum B at a front free arch member end 1a with Grippers 2 is taken and the same with the drum C and their grippers 3 at the other front free arch part end 1b is taken. The folded spine 1c of the print sheet is trailing. Between the two opening drums B and C and below these is a known chain of cures 4 or another transport device. FIG. 1 shows the Beginning of the opening process. When continuing to turn both drums B and C, the sheet 1 is opened further and after the Gripper 2 and 3 have released the sheet 1, the Sheet 1 further transported down and straddling the collection chain 4 dropped. The current collecting chain 4 transports the sheet 1, for example, to a not shown here Stapler.

Da die Druckbogen 1 mit vergleichsweise hoher Geschwindigkeit geöffnet und transportiert werden, ist es wesentlich, dass sie beim Abwerfen auf die Sammelkette 4 geometrisch exakt geführt sind. Dazu werden die Druckbogen zwischen den Öffnungstrommeln B und C zwischen wenigstens einer Scheibe 29 der Öffnungstrommel B und einer Transportscheibe 14 der Öffnungstrommel C geklemmt. Die Klemmung erfolgt an kreisförmigen Bogenabschnitten 30 und 31 am Umfang der Scheibe 29 bzw. der Transportscheibe 14. Diese Flächen 30 und 31 sind vorzugsweise zylindrische Flächen.Since the printing sheet 1 with a comparatively high speed open and transported, it is essential that they when dropped on the gathering chain 4 geometrically guided exactly are. These are the sheets between the opening drums B and C between at least one disc 29 of the opening drum B and a transport disc 14 of the opening drum C clamped. The clamping takes place on circular arc sections 30 and 31 on the circumference of the disc 29 and the transport disc 14. These surfaces 30 and 31 are preferably cylindrical surfaces.

Damit Druckbogen 1 unterschiedlicher Dicke transportiert werden können, weist die Transportscheibe 14 zwei segmentförmige Auflagen 16 auf. Zwischen diesen Auflagen 16 sind, wie ersichtlich, am Umfang der Transportscheibe 14 die Greifer 3 angeordnet. Denkbar ist jedoch auch eine Ausführung, bei welcher lediglich eine Auflage 16 oder auch mehr als zwei Auflagen 16 angeordnet sind.So that printed sheets 1 of different thickness are transported can, the transport disk 14 has two segmental supports 16 on. Between these supports 16, as can be seen, arranged on the circumference of the transport disk 14, the gripper 3. Conceivable, however, is an embodiment in which only a support 16 or more than two supports 16 arranged are.

Die beiden Auflagen 16 sind gemäss Figur 2 mittels Schrauben 17 an einem scheibenförmigen Körper 15 der Transportscheibe 14 lösbar befestigt. Am Körper 15 sind zwischen den Auflagen 16 zwei Klemmrollen 26 gelagert, die jeweils mit einem Greifer 3 zum Fassen eines Bogenendes 1b in bekannter Weise zusammenarbeiten. Die Betätigung der beiden Greifer 3 erfolgt jeweils mit einer Welle 11, an welcher die Greifer 3 jeweils mit einer Schraube 13 befestigt sind. Die Wellen 11 sind jeweils in einem Lager 12 auf der Transportscheibe 14 angeordnet und können über eine hier nicht gezeigte Kurvenscheibe in bekannter Weise zur Betätigung der Greifer 3 gedreht werden.The two supports 16 are shown in FIG 2 by means of screws 17th detachable on a disk-shaped body 15 of the transport disk 14 attached. On the body 15 are between the pads 16 two Clamping rollers 26 mounted, each with a gripper 3 for Grasping a bow end 1b work together in a known manner. The operation of the two grippers 3 takes place in each case with a Shaft 11, on which the gripper 3 each with a screw thirteenth are attached. The shafts 11 are each in a bearing 12 arranged the transport disc 14 and can have a here not shown cam in a known manner for actuation the gripper 3 are rotated.

Üblicherweise sind gemäss Figur 3 auf einer Welle 8 zwei Transportscheiben 14 im Abstand zueinander angeordnet. Wie die Figur 2 zeigt, sind diese Transportscheiben 14 jeweils mit einem Keil 19 drehfest mit der Welle 8 verbunden. Die Welle 8 ist gemäss Figur 3 mit Lagern 9 und 10 an den beiden Lagerschildern 5 befestigt und in an sich bekannter Weise angetrieben. Mit der Welle 11 werden, wie ersichtlich, gleichzeitig die Greifer beider Transportscheiben 14 bewegt.Usually, according to Figure 3 on a shaft 8 two transport discs 14 spaced apart. Like the figure 2, these transport discs 14 are each with a Wedge 19 rotatably connected to the shaft 8. The shaft 8 is according to 3 with bearings 9 and 10 on the two bearing plates. 5 attached and driven in a conventional manner. With the Wave 11, as can be seen, at the same time the gripper both Transport discs 14 moves.

Die Auflagen 16 sind vorzugsweise jeweils gleich ausgebildet und weisen einen vorzugsweise gummielastischen Körper 32 auf, der an einem innenseitig angeordneten bogenförmigen Träger 18, beispielsweise aus Metallblech, angegossen ist. Damit der gummielastische Körper 32 sicher am Träger 18 hält, sind im Träger 18 mehrere Durchbrüche 25 eingearbeitet, an welchen der gummielastische Körper 32 verankert ist. Mittels Schrauben 17 sind die Auflagen 16 jeweils lösbar am Umfang des Körpers 15 befestigt. Denkbar sind hier auch andere Befestigungsmittel. Die Auflagen 16 könnten zudem auch an den Körpern 15 direkt angegossen sein.The pads 16 are preferably each formed the same and have a preferably rubbery body 32, the on an arcuate support 18 arranged on the inside, for example made of sheet metal, is cast. Thus the rubber-elastic Body 32 securely holds on the carrier 18 are in the carrier 18th several breakthroughs 25 incorporated, to which the rubber-elastic Body 32 is anchored. By means of screws 17 are the Pads 16 each releasably attached to the circumference of the body 15. Conceivable here are other fasteners. The terms 16 could also be cast directly on the bodies 15.

Die Körper 32 weisen jeweils eine tragende äussere Schicht 20, einen mittleren Ausgleichsbereich 21 sowie eine innere Schicht 24 auf. Die Ausgleichsbereich 21 wird vorzugsweise durch eine Mehrzahl von speichenartigen Stegen 22 gebildet, welche die beiden Schichten 20 und 24 miteinander verbinden. Die Speichen 22 sind vorzugsweise lamellen- oder leistenförmig ausgebildet und erstrecken sich gemäss Figur 3 vorzugsweise über die ganze Breite der Auflagen 16. Anstelle von Speichen könnte auch eine ringförmige Stegverbindung (alös Doppel-T-Querschnitt) zwischen der tragenden äusseren Schicht 20 und der inneren Schicht 24 gebildet sein. Wesentlich ist nun, dass der Ausgleichsbereich 21 radial in einem vergleichsweise grossen Bereich elastisch deformierbar ist. Die tragende äussere Schicht 20 wird jedoch bei einer solchen radialen Deformation wesentlich weniger deformiert und behält ihre Stabilität. Der Deformationsbereich der Ausgleichsbereich 21 ist, wie erwähnt, vergleichsweise hoch und beträgt beispielsweise 0 bis 7 mm. Entsprechend können zwischen den beiden Öffnungstrommeln B und C Produkte bis zu einer Dicke von annähernd 7 mm transportiert werden. Bei einem sehr dünnen Druckbogen ist die Deformation im Ausgleichsbereich 21 entsprechend gering. Solche dünnen und leichten Druckbogen 1 werden mit vergleichsweise geringerer Klemmkraft ausreichend gehalten. Bei grösserer Deformation im Ausgleichsbereich 21 wird bei dickeren Druckbogen 1 eine höhere Klemmkraft ausgeübt. Bei maximaler Deformation sind Zwischenräume 23 zwischen den Stegen 22 im wesentlichen geschlossen und die tragende Schicht 22 ist entsprechend radial nach innen versetzt.The bodies 32 each have a supporting outer layer 20, a middle compensation area 21 and an inner Layer 24 on. The compensation area 21 is preferably through a plurality of spoke-like webs 22 are formed, which the connect two layers 20 and 24 together. The spokes 22 are preferably formed lamellar or strip-shaped and according to FIG. 3 preferably extend over the whole width of the pads 16. Instead of spokes could also an annular web connection (alös double-T-section) between the supporting outer layer 20 and the inner layer 24 be formed. It is essential now that the compensation area 21 radially in a relatively large area elastic is deformable. The supporting outer layer 20 becomes however, much less with such radial deformation deforms and retains its stability. The deformation area the compensation area 21 is, as mentioned, comparatively high and is for example 0 to 7 mm. Accordingly, between the two opening drums B and C products up to a Thickness of approximately 7 mm can be transported. At a very thin signature is the deformation in the compensation area 21 correspondingly low. Such thin and light printed sheet 1 are kept sufficient with comparatively lower clamping force. For larger deformation in the compensation area 21 at thicker sheet 1 a higher clamping force exerted. at maximum deformation are spaces 23 between the webs 22 is substantially closed and the supporting layer 22nd is correspondingly offset radially inwards.

Die gummielastischen Körper 32 bestehen vorzugsweise aus einem vergleichsweise abriebfesten Kunststoff. Besonders geeignet ist als Kunststoff Polyurethan und vorzugsweise giessbares Polyurethan. Ein solcher Polyurethan-Stoff wird unter dem Warenzeichen VULKOLLAN angeboten. Ein solcher Kunststoff wirkt bei den vorgeschlagenen Körpern 32 radial nachgiebig und geht nach einer Entlastung sehr schnell in die ursprüngliche Form zurück.The rubber-elastic body 32 preferably consist of a comparatively abrasion-resistant plastic. Particularly suitable as a plastic polyurethane and preferably castable polyurethane. Such a polyurethane material is under the trademark VULKOLLAN offered. Such a plastic acts in the proposed Bodies 32 radially yielding and goes to a discharge very fast back to the original shape.

Die Figuren 4a bis 4c zeigen Auflagen 16', 16" und 16''' gemäss erfindungsgemässen Varianten. Zur oben erwähnten Ausführung ist hier lediglich der Körper 32', 32'' bzw. 32''' unterschiedlich. Bei der Ausführung gemäss der Figur 4a sind die Stege 22' mit im wesentlichen radialer Erstreckung bogenförmig. Bei der Ausführung nach der Figur 4b sind die Stege 22'' so angeordnet, dass die Zwischenräume 23'' etwa dreieckförmig sind. Bei der Ausführung nach der Figur 4c sind ebenfalls sich radial erstreckende bogenförmige Stege 22''', jedoch in anderer Anordnung, vorgesehen. Denkbar ist schliesslich auch eine Ausführung, bei welcher keine Zwischenräume 23 vorhanden sind. Der Ausgleichsbereich 21 wird dann durch einen Kunststoff gebildet, der wesentlich elastischer ist als die Schicht 20. Die Zwischenräume 23 können zudem mit einem gummielastischen Kunststoff ausgefüllt sein.Figures 4a to 4c show pads 16 ', 16 "and 16' '' according to variants according to the invention. The above-mentioned embodiment is here only the body 32 ', 32' 'and 32' '' different. In the embodiment according to the figure 4a, the webs 22 'with in essential radial extension arcuate. In the execution According to the figure 4b, the webs 22 '' are arranged so that the gaps 23 '' are approximately triangular. In the execution according to the figure 4c are also radially extending arcuate webs 22 '' ', but in a different arrangement, provided. Finally, it is conceivable also an embodiment in which no gaps 23 are present. The compensation area 21 is then formed by a plastic, which is much more elastic is as the layer 20. The spaces 23 can also be filled with a rubber-elastic plastic.

Selbstverständlich könnte auch die Öffnungstrommel B oder nur diese mit der erfindungsgemässen Konstruktion ausgebildet sein.Of course, the opening drum B or only these may be formed with the inventive construction.

Claims (12)

  1. Transport wheel (14) for an opening device of a printed sheet feeder, which transport wheel is arranged on an opening drum (B) and/or on an opening drum (C) and has an elastic pad (16) on the circumference, with which in each case a printed sheet (1) can be clamped between the said pad and a wheel (29) of the further opening drum (B, C) for its transport onto a conveying device (4), characterized in that the pad has a supporting outer layer (20) and, underneath the latter, a compensating region (21), which is formed so as to act compliantly in the radial direction and to support the supporting outer layer (20).
  2. Wheel according to Claim 1, characterized in that the compensating region (21) is more elastic in the radial direction than the supporting outer layer (20).
  3. Wheel according to Claim 1 or 2, characterized in that the compensating region (21) has a radial compression region which corresponds substantially at least to the thickness of the supporting outer layer (20).
  4. Wheel according to Claim 3, characterized in that underneath the compensating region (21) there is arranged a further layer (24), on which means for fixing the pad (16) to a body (15) of the transport wheel (14) are provided.
  5. Wheel according to one of Claims 1 to 4, characterized in that the pad (16) is formed of at least one segment-like resilient body (32) extending in the circumferential direction of the transport wheel (14).
  6. Wheel according to one of Claims 1 5, characterized in that the compensating region (21) has a plurality of spoke-like webs (22, 22', 22", 22"'), which are fixed to the supporting outer layer (20) by one end in each case.
  7. Wheel according to Claim 6, characterized in that the spoke-like webs (22, 22', 22", 22"') are strip-like or slat-like.
  8. Wheel according to Claim 6 or 7, characterized in that the webs (22, 22'') are inclined with respect to the radius of the transport wheel (16, 16").
  9. Wheel according to one of Claims 1 to 8, characterized in that the pad (16) or the body (32) is produced from a resilient plastic, preferably of polyurethane, preferably of castable polyurethane.
  10. Wheel according to one of Claims 1 to 9, characterized in that the pad (16) is detachably fixed to a body (15) of the transport wheel (16), preferably screwed on.
  11. Wheel according to one of Claims 1 to 9, characterized in that the resilient body (32) is firmly connected to a body (15) of the transport wheel (14).
  12. Wheel according to one of Claims 1 to 11, characterized in that the feeder (27) is a gathering and stitching feeder and in that the transport wheel (14) is firmly arranged on a shaft (8) of the opening drum (C) so as to rotate with it.
EP99810492A 1999-06-04 1999-06-04 Transport wheel for the opening device of a printed sheet feeder Expired - Lifetime EP1057761B1 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP99810492A EP1057761B1 (en) 1999-06-04 1999-06-04 Transport wheel for the opening device of a printed sheet feeder
DE59911494T DE59911494D1 (en) 1999-06-04 1999-06-04 Transport disc for the opening device of a sheet feeder
JP2000134943A JP4754046B2 (en) 1999-06-04 2000-05-08 Conveying disk for printing sheet feeder opening device
US09/579,901 US7007951B1 (en) 1999-06-04 2000-05-26 Transport disc for an opening device of a printed sheet feeder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP99810492A EP1057761B1 (en) 1999-06-04 1999-06-04 Transport wheel for the opening device of a printed sheet feeder

Publications (2)

Publication Number Publication Date
EP1057761A1 EP1057761A1 (en) 2000-12-06
EP1057761B1 true EP1057761B1 (en) 2005-01-19

Family

ID=8242867

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99810492A Expired - Lifetime EP1057761B1 (en) 1999-06-04 1999-06-04 Transport wheel for the opening device of a printed sheet feeder

Country Status (4)

Country Link
US (1) US7007951B1 (en)
EP (1) EP1057761B1 (en)
JP (1) JP4754046B2 (en)
DE (1) DE59911494D1 (en)

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2413358A (en) * 1944-04-11 1946-12-31 Tw & Cb Sheridan Co Signature gathering machine
US3371924A (en) * 1966-03-07 1968-03-05 Donnelley & Sons Co Apparatus for tipping inserts into a saddle stitched book
DE1761771A1 (en) * 1968-07-05 1971-08-19 Rudolf Goerig Feeder for saddle stitching machines
US3809384A (en) * 1972-07-13 1974-05-07 Harris Intertype Corp Saddle gathering machine
US3806111A (en) * 1972-09-27 1974-04-23 Motter J Printing Press Co Signature inserter
US4287649A (en) * 1978-08-04 1981-09-08 Truly Magic Products, Inc. Roller construction for paper feeding
DE3902923C2 (en) * 1988-03-16 1994-06-01 Heidelberger Druckmasch Ag Sheet guide drum for sheet-fed rotary printing machines
US5048809A (en) * 1989-04-26 1991-09-17 Baumfolder Corporation Apparatus and method for sheet folding and sealing
AT401044B (en) * 1993-12-16 1996-05-28 Koren Erwin FLAT RING, ESPECIALLY FOR SPREADING ROLLERS, AND ITS DEVICE FOR GUIDING RAIL-SHAPED MATERIALS AND METHOD FOR THE PRODUCTION THEREOF
DE19543516C2 (en) * 1995-11-22 1999-04-29 Enbi Nuth Bv Transport element for flat goods
DE19804269A1 (en) * 1998-02-04 1999-08-05 Heidelberger Druckmasch Ag Device for applying a liquid to a printing material sheet, in particular printing, or coating unit, in a sheet-fed rotary printing machine
DE59806548D1 (en) * 1998-09-28 2003-01-16 Grapha Holding Ag Device for placing folded sheets on a transport device

Also Published As

Publication number Publication date
DE59911494D1 (en) 2005-02-24
EP1057761A1 (en) 2000-12-06
JP2000344389A (en) 2000-12-12
US7007951B1 (en) 2006-03-07
JP4754046B2 (en) 2011-08-24

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