EP2657163B2 - Method for operating a thread sewing machine - Google Patents

Method for operating a thread sewing machine Download PDF

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Publication number
EP2657163B2
EP2657163B2 EP13164332.2A EP13164332A EP2657163B2 EP 2657163 B2 EP2657163 B2 EP 2657163B2 EP 13164332 A EP13164332 A EP 13164332A EP 2657163 B2 EP2657163 B2 EP 2657163B2
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EP
European Patent Office
Prior art keywords
saddle
stitching
printed sheets
stitching saddle
printed
Prior art date
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Active
Application number
EP13164332.2A
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German (de)
French (fr)
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EP2657163A1 (en
EP2657163B1 (en
Inventor
Holger Arendt
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.)
Mueller Martini Holding AG
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Mueller Martini Holding AG
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42B—PERMANENTLY ATTACHING TOGETHER SHEETS, QUIRES OR SIGNATURES OR PERMANENTLY ATTACHING OBJECTS THERETO
    • B42B2/00—Permanently attaching together sheets, quires or signatures by stitching with filamentary material, e.g. textile threads
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42B—PERMANENTLY ATTACHING TOGETHER SHEETS, QUIRES OR SIGNATURES OR PERMANENTLY ATTACHING OBJECTS THERETO
    • B42B2/00—Permanently attaching together sheets, quires or signatures by stitching with filamentary material, e.g. textile threads
    • B42B2/02—Machines for stitching with thread
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42C—BOOKBINDING
    • B42C1/00—Collating or gathering sheets combined with processes for permanently attaching together sheets or signatures or for interposing inserts
    • B42C1/12—Machines for both collating or gathering and permanently attaching together the sheets or signatures
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H39/00—Associating, collating, or gathering articles or webs
    • B65H39/02—Associating,collating or gathering articles from several sources
    • 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
    • B65H5/32—Saddle-like members over which partially-unfolded sheets or signatures are fed to signature-gathering, stitching, or like machines

Definitions

  • the invention relates to a method for operating a thread-sewing machine for processing printed sheets into book blocks according to claim 1.
  • the invention also relates to a thread-sewing machine for carrying out the method for processing printed sheets into book blocks according to claim 14.
  • Book sewing machines have become known, which can be fed to the stitching saddle both manually and automatically.
  • Book sewing machines are known in which printed sheets folded by a printing machine can be automatically fed to the stitching saddle.
  • the state of the art includes a thread sewing machine which is operated inline and/or offline.
  • the loading of the stitching saddle does not take place via an additional infeed device, but rather from the side via an auxiliary saddle (horizontal loading).
  • a digital printing machine or a folding machine can be connected to the auxiliary saddle, which places the folded and opened printed sheets directly on the auxiliary saddle.
  • a carrier chain then transports the printed sheet to the stitching saddle, and an imposition roller or a transport belt then transports the printed sheet to the stitching saddle.
  • only several printed sheets can be attached one after the other or individual signatures can be processed.
  • On the auxiliary saddle can be pre-collected, or unfolded signatures can be collected and then placed. However, collected individual signatures coming from the digital printing machine can be fed to the stitching saddle and stitched there.
  • EP 2 305 485 A1 discloses a method according to the preamble of claim 1.
  • the object of the invention is to propose a thread sewing machine which is able to take the printed sheets fed to the sewing saddle from at least two different directions.
  • the thread sewing machine essentially consisting of at least one transport system for the signatures and at least one subsequent sewing station.
  • the sewing station itself is operated in operative connection with at least one stapling saddle, this stapling saddle in turn being in operative connection with the transport system for the signatures.
  • the signatures processed in the sewing station are fed in a vertical or quasi-vertical plane and in a horizontal or quasi-horizontal plane relative to the stitching saddle, and the signatures are fed to the sewing station astride the stitching saddle. At least the vertical or quasi-vertical feeding of the signatures takes place directly on the stitching saddle.
  • the inventive thread sewing machine is designed so that the signatures later fed to the sewing station, also known as signatures, are primarily made via a feed device operating in the vertical direction, the signature feed of which is always directed towards the stitching saddle.
  • a feed device operating in the vertical direction, the signature feed of which is always directed towards the stitching saddle.
  • Such an infeed device will preferably have the form of a gripper drum, which is preferably arranged above the stitching saddle.
  • this configuration according to the invention does not exclude the possibility that horizontally operating devices can also be provided within such a loading process, which take over the printed sheet delivery, for example, as an intermediate step to the stitching saddle.
  • infeed devices in the foreground in order to carry out such a horizontal printed sheet feed.
  • the method that has become known from the prior art consists in making the horizontal delivery of the printed sheets, even in the case of an intermediate provision, via a stationary auxiliary saddle.
  • Another option for horizontal feeding is to finally push the printed sheets onto the stitching saddle with a compact infeed device arranged to the side of the stitching saddle, which can essentially also have the form of a gripper drum and has kinematics that enable the printed sheet to be pushed first in position opposite to the saddle to be loaded, and then to push this sheet directly onto the saddle by a horizontally acting element.
  • a compact infeed device arranged to the side of the stitching saddle, which can essentially also have the form of a gripper drum and has kinematics that enable the printed sheet to be pushed first in position opposite to the saddle to be loaded, and then to push this sheet directly onto the saddle by a horizontally acting element.
  • the said vertically/horizontally acting infeed device should be arranged on the other front side of the stitching saddle.
  • Such an intermediate feed of specially designed printed sheets can also be easily achieved via the vertical infeed device, i.e. via the gripper drum, either directly to the stitching saddle or with an additional horizontal infeed.
  • Such intermediary additions can also be made via a stationary auxiliary saddle, with this supply taking place at the side of the stitching saddle, and the auxiliary saddle can be arranged either on the left or right or on both sides of the stitching saddle, which means that a great variety of designs with regard to different printed sheets can be achieved.
  • the printed sheets can be fed onto the auxiliary saddle via a vertically acting infeed device, preferably via a further gripper drum.
  • the printed sheets are delivered to the stitching saddle via both feed levels, i.e. vertical and horizontal, or vertical/vertical/horizontal, delivery can be achieved via intermediate cyclical sequences, which lead to an increase in productivity.
  • the direction from which the majority of the printed sheets are to be fed is a product-dependent disposition.
  • the book sewing machine according to the invention is also capable of feeding the printed sheets to the stitching saddle both automatically from the magazine via a gripper drum (vertical) and manually/automatically from a printing press/folder via an auxiliary saddle (horizontal).
  • the thread sewing machine according to the invention is also able to feed printed sheets simultaneously vertically and horizontally onto the stitching saddle or an auxiliary saddle within a production run.
  • the thread sewing machine according to the invention is also capable of reliably processing a number of different formats within a book block.
  • a transport section for printed sheets is proposed, which is operated between an opening system acting upstream and a sewing station arranged downstream.
  • This transport route essentially consists of an auxiliary saddle and a downstream stitching saddle.
  • Auxiliary saddles and stitching saddles are designed as autonomously acting sub-transport routes, which, however, have an operational interdependence with respect to the transport of the printed sheets according to the invention.
  • This mode of operation according to the invention is independent of whether purely "normal-format" printed sheets are transported or whether intermittently "small-format” printed sheets are processed.
  • the thread sewing machine according to the invention is characterized in that the vertical infeed, which can preferably take place via a gripper drum, takes over the loading of the sewing saddle.
  • Such a gripper drum can be used in various ways: for example, above the stapling saddle that is in the loading position, or to the side of it.
  • FIG. 1 shows a method for operating a thread sewing machine 1 inline - offline - combined with external and internal sheet feed 2, 3, with e.g. different formats within a book block 4.
  • 6 folded signatures 5 are to be processed into a book block, with 5 signatures (No. 1 , 2, 3, 4 and 6) have the same format and are to be fed automatically by a digital press.
  • Signature No. 5 has a smaller format and, in order to avoid time-consuming collation with the other signatures, should be fed directly to the processing operation of book sewing machine 1.
  • the signatures no. 1, 2, 3, 4 and 6 are folded and placed one after the other on the auxiliary saddle 6 and successively drawn or shot horizontally onto the stitching saddle 7 in cycles. This happens in the order 1, 2, 3, 4, 0, 6.
  • 0 means that in the auxiliary saddle feeding process, after the fourth signature, a gap in the form of an idle bar is left to make room for signature No. 5 on the stitching saddle 7.
  • All signatures No. 5 are placed in the internal magazine of the thread sewing machine 1, removed, guided under the sewing saddle 7 with the open side first, deflected upwards by 90°, opened and conveyed vertically to the sewing saddle by the gripper drum.
  • the gripper drum 8 only works in the 5th cycle, since it is controlled by a servo motor.
  • the gripper drum 8 conveys the signature no. 5 vertically onto the stitching saddle 7 and thus closes the gap in the printed sheet run.
  • the 6th and last signature of the book is fed horizontally again via the auxiliary saddle. After that, the process starts again.
  • signatures 1, 2, and 3 in 2 are now successively drawn horizontally onto the stapling saddle 7 via the auxiliary saddle 6 or shot and tacked one after the other. While now signature no. 4 is fed horizontally to the binding saddle 7, at the same time signature no. 5 is placed vertically on the binding saddle 7 and thus over the signature no. The leading edge of signature no. 4 has previously passed geometrically the trailing edge of signature no. 5 fed in from above, so that a collision does not occur. Both signatures are now plugged into each other and can now be attached to signature no. 3. After that, the gripper drum 8 stands still and signature no. 6 is conveyed horizontally to the stitching saddle 7 again in the next and last cycle. Now the process can start again.
  • the process described below corresponds to a simultaneous loading of the stitching saddle with two printed sheets of different formats both via the gripper drum and via the auxiliary saddle within one machine cycle.
  • the two printed sheets are inserted into one another on the saddle and then stapled to the previous signature.
  • both the auxiliary saddle and the gripper drum are each equipped with a signature and should be fed to the stitching saddle: 1°: The stitching saddle reaches the loading position. 2° - 45°: The front edge of the printed sheet of signature 4 on the auxiliary saddle reaches the stitching saddle and is accelerated in the direction of the printed sheet stop by the injection roller. 20° - 85°: The bottom edge of the signature 5 on the gripper drum reaches the tip of the saddle and is placed on the saddle. At this point in time, the leading edge of the signature 4 has already passed the trailing edge of the signature 5, so that the two printed sheets cannot collide.
  • thread sewing machines can be optionally expanded, which can have different concepts.
  • the variants described here which are not shown in more detail by figures, can be readily grasped by a person skilled in the art and are not to be understood as conclusive concepts.
  • One variant relates to a book sewing machine that is operated offline.
  • This version is the classic type of thread sewing machine.
  • the stitching saddle is supplied by one or more of its own magazines. It is irrelevant whether classic thread sewing (stapling several printed sheets one after the other) or saddle stitching (stitching several printed sheets on top of each other) is practiced.
  • the machine is not connected to the outside world, but produces independently.
  • the printed sheets are removed from the magazine, placed on a conveyor belt and guided under the stitching saddle with the open side first, deflected upwards by 90°, opened, gripped by the gripper drum, steered around its own axis and placed on the stitching saddle (vertical loading) and then stapled one behind the other or one above the other.
  • Another variant relates to a thread sewing machine, which is operated inline - offline - combined.
  • the loading takes place either vertically via the gripper drum and horizontally via the auxiliary saddle (one signature is pulled or shot laterally onto the binding saddle and the other is placed vertically over the gripper drum) or staggered in cycles, for example 3 signatures in a row from the auxiliary saddle , then an idle cycle from the auxiliary saddle and in this idle cycle a printed sheet is placed vertically over the gripper drum onto the stitching saddle. Or, for example, 4 signatures in a row from the auxiliary saddle without an idle cycle and over the last signature or another signature another signature is placed vertically by the gripper drum.
  • the possible combinations here are very versatile and particularly suitable for processing at least 2 different formats in one book (art print) or for being able to insert printed sheets of different formats into one another.
  • Another variant relates to a thread sewing machine, which is operated inline - external sheet feeding.
  • 5 folded signatures coming from a digital printing machine or a folding machine are to be processed into a book block.
  • the digital printing machine or folding machine docked to the side of the auxiliary saddle of the thread sewing machine takes over the folding and placing of the printed sheets.
  • the folded signatures are opened and placed one after the other on the auxiliary saddle in the order 1, 2, 3, 4, 5 and pushed individually via a carrier chain in the direction of the stitching saddle.
  • the transport length of a driver chain strand corresponds to a stapling machine cycle.
  • the first driver now pushes the printed sheet to be stapled up to the stapling saddle that is in the loading position.
  • the signature is either shot onto the stitching saddle by an accelerator roller or pulled onto the stitching saddle using a belt transport system.
  • the stapling saddle then moves to the stapling position and staples the signature.
  • the attachment saddle moves back to the loading position and the process begins again.
  • the stapling saddle is loaded exclusively horizontally from the outside via the auxiliary saddle.
  • the gripper drum inside the machine for vertical loading of the stitching saddle is initially not in operation, but can be put into operation at any time if required.
  • Another variant relates to a thread sewing machine, which offline - internal sheet feed is operated.
  • 4 folded signatures are to be processed into one book block.
  • the signatures to be stapled are placed in the machine's own magazine in the order 1, 2, 3, 4, ... and removed one after the other, guided under the staple saddle with the open side first, guided 90° upwards in the direction of the saddle, opened and rotated around its own axis via a gripper drum and placed on the stitching saddle.
  • Moved after each signature placed the stapling saddle moves from the loading position to the stapling position and the signature is stapled. After that, the process starts again.
  • the loading of the stitching saddle takes place exclusively internally (vertically) via its own magazine and the gripper drum.
  • the horizontal auxiliary saddle and any connected digital printing machine or folding machine are therefore not in operation.
  • a brochure to be processed consists, for example, of three individual folded printed sheets that are to be collected one on top of the other and then stapled with one stitch and secured against loosening with an additional empty stitch.
  • the folded printed sheets are inserted into the magazine in the order 1, 2, 3, 1, 2, 3, .. and pulled off one after the other, guided under the saddle with the open side first, guided 90° upwards in the direction of the saddle, opened and rotated by approx. 180° via a gripper drum and placed on the stitching saddle.
  • the second printed sheet is now laid over the first printed sheet and then the third printed sheet over the servo-controlled saddle of the saddle stitching machine.
  • the stitching saddle moves from the loading position to the stitching position and the brochure is stitched and a blank stitch is executed. After that, the process starts again.
  • the loading of the stitching saddle takes place exclusively internally (vertically) via its own magazine and the gripper drum.
  • the horizontal auxiliary saddle and any connected digital printing machine or folding machine are therefore not in operation.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)
  • Collation Of Sheets And Webs (AREA)

Description

Technisches Gebiettechnical field

Die Erfindung betrifft ein Verfahren zum Betrieb einer Fadenheftmaschine für die Verarbeitung von Druckbogen zu Buchblocks nach Anspruch 1. Die Erfindung betrifft des Weiteren eine Fadenheftmaschine zur Durchführung des Verfahrens für die Verarbeitung von Druckbogen zu Buchblocks gemäß Anspruch 14.The invention relates to a method for operating a thread-sewing machine for processing printed sheets into book blocks according to claim 1. The invention also relates to a thread-sewing machine for carrying out the method for processing printed sheets into book blocks according to claim 14.

Stand der TechnikState of the art

Es sind Fadenheftmaschinen bekannt geworden, denen sowohl manuell als auch automatisch Druckbogen auf den Heftsattel zugeführt werden können. Es sind Fadenheftmaschinen bekannt, denen von einer Druckmaschine gefalzte Druckbogen automatisch auf den Heftsattel zugeführt werden können.Book sewing machines have become known, which can be fed to the stitching saddle both manually and automatically. Book sewing machines are known in which printed sheets folded by a printing machine can be automatically fed to the stitching saddle.

Es ist momentan nicht möglich, den Heftsattel einer Fadenheftmaschine aus zwei verschiedenen Richtungen mit Druckbogen zu versorgen. Dies wäre aber von Vorteil, wenn man unterschiedliche Formate wie z.B. bei Kunstdruck oft angefragt, innerhalb eines Buches verarbeiten will. Hier stossen herkömmliche Fadenheftmaschinen sehr schnell an ihre Grenzen, da sie immer nur für ein Format eingerichtet werden können.It is currently not possible to supply the saddle of a book sewing machine with printed sheets from two different directions. However, this would be an advantage if you want to process different formats within a book, such as is often requested for art prints. Conventional book sewing machines very quickly reach their limits here, since they can only be set up for one format at a time.

Zum Stand der Technik gehört indessen eine Fadenheftmaschine, welche inline und/oder offline betrieben wird. Bei dieser Variante findet die Beladung des Heftsattels nicht über eine zusätzliche Zustelleinrichtung, sondern seitlich über einen Hilfssattel statt (horizontale Beladung) statt. An den Hilfssattel kann beispielsweise eine Digitaldruckmaschine oder eine Falzmaschine angebunden werden, die die gefalzten und geöffneten Druckbogen direkt auf den Hilfssattel legt. Eine Mitnehmerkette transportiert den Druckbogen dann zum Heftsattel, und eine Einschiessrolle oder ein Transportriemen befördert anschliessend den Druckbogen auf den Heftsattel. Dabei können nur mehrere Druckbogen hintereinander angeheftet werden oder Einzelsignaturen verarbeitet werden. Auf dem Hilfssattel kann vorgesammelt werden, oder ungefalzte Signaturen gesammelt und anschliessend aufgelegt werden. Es können aber gesammelte Einzelsignaturen von der Digitaldruckmaschine kommend auf den Heftsattel geführt und dort geheftet werden.However, the state of the art includes a thread sewing machine which is operated inline and/or offline. With this variant, the loading of the stitching saddle does not take place via an additional infeed device, but rather from the side via an auxiliary saddle (horizontal loading). For example, a digital printing machine or a folding machine can be connected to the auxiliary saddle, which places the folded and opened printed sheets directly on the auxiliary saddle. A carrier chain then transports the printed sheet to the stitching saddle, and an imposition roller or a transport belt then transports the printed sheet to the stitching saddle. In this case, only several printed sheets can be attached one after the other or individual signatures can be processed. On the auxiliary saddle can be pre-collected, or unfolded signatures can be collected and then placed. However, collected individual signatures coming from the digital printing machine can be fed to the stitching saddle and stitched there.

EP 2 305 485 A1 offenbart ein Verfahren gemäß dem Oberbegriff des Anspruchs 1. EP 2 305 485 A1 discloses a method according to the preamble of claim 1.

Darstellung der ErfindungPresentation of the invention

Hier will die Erfindung Abhilfe schaffen. Der Erfindung, wie sie in den Ansprüchen gekennzeichnet ist, liegt die Aufgabe zugrunde, eine Fadenheftmaschine vorzuschlagen, welche in der Lage ist, die dem Heftsattel zugeführten Druckbogen aus mindestens zwei verschiedenen Richtungen vorzunehmen.This is where the invention aims to remedy the situation. The object of the invention, as characterized in the claims, is to propose a thread sewing machine which is able to take the printed sheets fed to the sewing saddle from at least two different directions.

Hierzu wird ein Verfahren zum Betrieb einer Fadenheftmaschine für die Verarbeitung von Signaturen zu Buchblocks vorgeschlagen, wobei die Fadenheftmaschine im Wesentlichen aus mindestens einem Transportsystem für die Signaturen und aus mindestens einer anschliessenden Nähstation besteht.To this end, a method for operating a thread sewing machine for processing signatures into book blocks is proposed, the thread sewing machine essentially consisting of at least one transport system for the signatures and at least one subsequent sewing station.

Die Nähstation selbst wird in Wirkverbindung mit mindestens einem Heftsattel betrieben, wobei dieser Heftsattel seinerseits in Wirkverbindung mit dem Transportsystem für die Signaturen steht. Die Zuführung der in der Nähstation verarbeiteten Signaturen erfolgt in einer vertikalen oder quasi-vertikalen und in einer horizontalen oder quasi-horizontalen Ebene gegenüber dem Heftsattel, und die Signaturen werden rittlings auf dem Heftsattel aufliegend der Nähstation zugeführt. Mindestens die vertikale oder quasi-vertikale Zuführung der Signaturen erfolgt direkt auf den Heftsattel.The sewing station itself is operated in operative connection with at least one stapling saddle, this stapling saddle in turn being in operative connection with the transport system for the signatures. The signatures processed in the sewing station are fed in a vertical or quasi-vertical plane and in a horizontal or quasi-horizontal plane relative to the stitching saddle, and the signatures are fed to the sewing station astride the stitching saddle. At least the vertical or quasi-vertical feeding of the signatures takes place directly on the stitching saddle.

Grundsätzlich ist die erfindungsgemässe Fadenheftmaschine so ausgelegt, dass die später der Nähstation zugeführten Signaturen, auch Druckbogen genannt, in erster Linie über eine in vertikaler Richtung operierende Zuführeinrichtung vorgenommen wird, deren Druckbogen-Zuführung immer auf den Heftsattel gerichtet ist. Vorzugsweise wird eine solche Zustelleinrichtung die Form einer Greifertrommel aufweisen, welche vorzugsweise über dem Heftsattel angeordnet ist.Basically, the inventive thread sewing machine is designed so that the signatures later fed to the sewing station, also known as signatures, are primarily made via a feed device operating in the vertical direction, the signature feed of which is always directed towards the stitching saddle. Such an infeed device will preferably have the form of a gripper drum, which is preferably arranged above the stitching saddle.

Diese erfindungsgemässe Konfiguration schliesst indessen nicht aus, dass innerhalb eines solchen Beladeprozesses auch horizontal operierende Einrichtungen vorgesehen werden können, welche die Druckbogen-Zustellung beispielsweise intermediär auf den Heftsattel übernehmen.However, this configuration according to the invention does not exclude the possibility that horizontally operating devices can also be provided within such a loading process, which take over the printed sheet delivery, for example, as an intermediate step to the stitching saddle.

Dabei stehen vorzugsweise zwei Arten von Zustelleinrichtungen im Vordergrunde, um eine solche horizontale Druckbogen-Zuführung durchzuführen.There are preferably two types of infeed devices in the foreground in order to carry out such a horizontal printed sheet feed.

Die aus dem Stand der Technik bekannt gewordene Methode besteht darin, die horizontale Zustellung der Druckbogen, auch im Falle einer intermediären Beistellung, über einen stationären Hilfssattel vorzunehmen.The method that has become known from the prior art consists in making the horizontal delivery of the printed sheets, even in the case of an intermediate provision, via a stationary auxiliary saddle.

Eine weitere Möglichkeit das horizontale Zuführen vorzunehmen, besteht darin, die schliessliche Aufschiebung der Druckbogen auf den Heftsattel mit einer seitlich des Heftsattels angeordneten kompakten Zustelleinrichtung vorzunehmen, welche im Wesentlichen auch die Form einer Greifertrommel haben kann und eine Kinematik aufweist, welche ermöglicht, den Druckbogen zunächst in Position gegenüber dem zu beladenden Heftsattel zu bringen, und dann diesen Druckbogen durch ein horizontal wirkendes Element direkt auf den Heftsattel zu schieben. Damit die horizontale Beladung des Heftsattels über diese Zustellungsmöglichkeit platzmässig nicht mit dem Hilfssattel oder mit der bereits vorgesehenen vertikal über dem Heftsattel in Beladeposition operierenden Greifertrommel kollidiert, soll die genannte vertikal/horizontal wirkende Zustelleinrichtung auf der anderen vorderen Seite des Heftsattels angeordnet werden.Another option for horizontal feeding is to finally push the printed sheets onto the stitching saddle with a compact infeed device arranged to the side of the stitching saddle, which can essentially also have the form of a gripper drum and has kinematics that enable the printed sheet to be pushed first in position opposite to the saddle to be loaded, and then to push this sheet directly onto the saddle by a horizontally acting element. To ensure that the horizontal loading of the stitching saddle via this infeed option does not collide with the auxiliary saddle or with the gripper drum already provided, which operates vertically above the stitching saddle in the loading position, the said vertically/horizontally acting infeed device should be arranged on the other front side of the stitching saddle.

Erfindungsgemäss wird also zugrunde gelegt, dass mindestens eine vertikale Zuführung der Druckbogen in engster und direkter Zusammenwirkung mit dem Heftsattel vorgenommen wird, dergestalt, dass im Grunde genommen allein durch eine solche vertikale Zuführung alle den Buchblock bildenden Druckbogen beigestellt werden können. Dies macht dann besonders Sinn, wenn der Buchblock aus einheitlich gestalteten und formatierten Druckbogen besteht, was eine sehr hohe Zustellkadenz ermöglicht.According to the invention, it is therefore assumed that at least one vertical feed of the printed sheets is carried out in very close and direct cooperation with the stitching saddle, such that basically all the printed sheets forming the book block can be provided solely by such a vertical feed. This makes particular sense if the book block consists of uniformly designed and formatted printed sheets, which enables a very high delivery rate.

Vielfach ist es aber so, dass die Buchblocks unterschiedliche Beifügungen resp. Beilagen beinhalten können, bei welchen eine gezielte intermediäre Zuführung erfolgen muss. Auch eine solche intermediäre Zuführung besonderer ausgestalteter Druckbogen lässt sich also ohne Weiteres über die vertikale Zustelleinrichtung, d.h. über die Greifertrommel, entweder direkt auf den Heftsattel oder mit einer zusätzlichen horizontalen Zustellung erreichen.But it is often the case that the book blocks have different additions or May contain supplements for which a targeted intermediary delivery must take place. Such an intermediate feed of specially designed printed sheets can also be easily achieved via the vertical infeed device, i.e. via the gripper drum, either directly to the stitching saddle or with an additional horizontal infeed.

Erfindungsgemäss lassen sich in solchen Fällen folgende Zuführungsarten vorsehen:

  • Die vertikale Zustellung der einen Buchblock bildenden Druckbogen, seien sie gleicher Natur oder mit besonderen Einschüben versehen, lässt sich über eine Zustelleinrichtung, vorzugsweise über eine Greifertrommel, erzielen, welche im Wesentlichen oberhalb des in Ladeposition befindlichen Heftsattels operiert. Nebst einer integralen vertikalen Zustellung aller Druckbogen direkt auf den Heftsattel lässt sich auch eine horizontale Zuführung vorsehen, welche andere ergänzende Druckbogen intermediär beibringt, und welche Druckbogen ebenfalls direkt auf den Heftsattel geschoben werden können.
According to the invention, the following types of feed can be provided in such cases:
  • The vertical infeed of the printed sheets forming a book block, whether they are of the same nature or provided with special inserts, can be achieved via an infeed device, preferably via a gripper drum, which operates essentially above the stitching saddle in the loading position. In addition to an integral vertical delivery of all printed sheets directly onto the stitching saddle, a horizontal feed can also be provided, which feeds other supplementary printed sheets as an intermediary, and which printed sheets can also be pushed directly onto the stitching saddle.

Solche intermediäre Beistellungen können auch über einen stationären Hilfssattel erfolgen, wobei diese Zuführung seitlich des Heftsattels erfolgt, und der Hilfssattel entweder links oder rechts oder auf beiden Seiten des Heftsattels angeordnet sein kann, womit hierdurch eine hohe Gestaltungsvielfalt hinsichtlich unterschiedlicher Druckbogen erreichbar ist. Bei dieser Konfiguration ist es auch möglich, dass die Zuführung der Druckbogen auf den Hilfssattel über eine vertikal wirkende Zustelleinrichtung, vorzugsweise über eine weitere Greifertrommel, erfolgt.Such intermediary additions can also be made via a stationary auxiliary saddle, with this supply taking place at the side of the stitching saddle, and the auxiliary saddle can be arranged either on the left or right or on both sides of the stitching saddle, which means that a great variety of designs with regard to different printed sheets can be achieved. With this configuration, it is also possible for the printed sheets to be fed onto the auxiliary saddle via a vertically acting infeed device, preferably via a further gripper drum.

Erfolgt die Zustellung der Druckbogen zu dem Heftsattel über beide Zuführungsebenen, also vertikal und horizontal, oder vertikal/vertikal/horizontal, so lässt sich die Zustellung über intermediäre taktmässige Abfolgen erzielen, welche zu einer Steigerung der Produktivität führen. Dabei ist es eine produktabhängige Disposition, aus welcher Richtung der überwiegende Teil der Druckbogen zugeführt werden soll.If the printed sheets are delivered to the stitching saddle via both feed levels, i.e. vertical and horizontal, or vertical/vertical/horizontal, delivery can be achieved via intermediate cyclical sequences, which lead to an increase in productivity. The direction from which the majority of the printed sheets are to be fed is a product-dependent disposition.

Die erfindungsgemässe Fadenheftmaschine ist auch in der Lage, die Druckbogen sowohl automatisch vom Magazin aus über eine Greifertrommel (vertikal), als auch manuell/automatisch von einer Druckmaschine/Falzapparat über einen Hilfssattel (horizontal) auf den Heftsattel zuführen zu können.The book sewing machine according to the invention is also capable of feeding the printed sheets to the stitching saddle both automatically from the magazine via a gripper drum (vertical) and manually/automatically from a printing press/folder via an auxiliary saddle (horizontal).

Die erfindungsgemässe Fadenheftmaschine Maschine ist des Weiteren in der Lage, Druckbogen innerhalb einer Produktion gleichzeitig vertikal und horizontal auf den Heftsattel oder einen Hilfssattel zuzuführen.The thread sewing machine according to the invention is also able to feed printed sheets simultaneously vertically and horizontally onto the stitching saddle or an auxiliary saddle within a production run.

Die erfindungsgemässe Fadenheftmaschine ist ferner in der Lage, mehrere unterschiedliche Formate innerhalb eines Buchblocks sicher verarbeiten zu können. Zu diesem Zweck wird eine Transportstrecke für Druckbogen vorgeschlagen, welche zwischen einem stromauf wirkenden Öffnersystem und einer stromab angeordneten Nähstation betrieben wird. Diese Transportstrecke besteht im Wesentlichen aus einem Hilfssattel und einem nachgeordneten Heftsattel. Hilfssattel und Heftsattel sind als autonom wirkende Teiltransportstrecken konzipiert, welche jedoch hinsichtlich des Transports der Druckbogen eine erfindungsgemässe betriebliche Interdependenz zueinander aufweisen. Diese erfindungsgemässe Betriebsart ist an sich unabhängig davon, ob reine "normalformatige" Druckbogen transportiert werden, oder ob intermittierend "unterformatige" Druckbogen zur Verarbeitung gelangen.The thread sewing machine according to the invention is also capable of reliably processing a number of different formats within a book block. For this purpose, a transport section for printed sheets is proposed, which is operated between an opening system acting upstream and a sewing station arranged downstream. This transport route essentially consists of an auxiliary saddle and a downstream stitching saddle. Auxiliary saddles and stitching saddles are designed as autonomously acting sub-transport routes, which, however, have an operational interdependence with respect to the transport of the printed sheets according to the invention. This mode of operation according to the invention is independent of whether purely "normal-format" printed sheets are transported or whether intermittently "small-format" printed sheets are processed.

Generell zeichnet sich die erfindungsgemäße Fadenheftmaschine dadurch aus, dass die vertikale Zustellung, welche vorzugsweise über eine Greifertrommel erfolgen kann, die Beladung des Heftsattels übernimmt.In general, the thread sewing machine according to the invention is characterized in that the vertical infeed, which can preferably take place via a gripper drum, takes over the loading of the sewing saddle.

Der Einsatzort einer solchen Greifertrommel kann verschiedentlich vorgesehen werden: Beispielsweise über dem sich in Beladeposition befindlichen Heftsattel, oder seitlich davon.Such a gripper drum can be used in various ways: for example, above the stapling saddle that is in the loading position, or to the side of it.

Kurze Beschreibung der FigurenBrief description of the figures

Im Folgenden werden anhand der Figuren Ausführungsbeispiele der Erfindung näher erläutert. Alle für das unmittelbare Verständnis der Erfindung nicht wesentlichen Elemente sind weggelassen worden. Es zeigen:

Fig. 1
eine Fadenheftmaschine, welche inline - offline - kombiniert mit externer und interner Druckbogenzuführung betrieben wird und
Fig. 2
eine Fadenheftmaschine inline - offline - kombiniert mit externer und interner Druckbogenzuführung, mit verschiedenen Formaten innerhalb eines Buchblockes.
Exemplary embodiments of the invention are explained in more detail below with reference to the figures. All elements not essential for a direct understanding of the invention have been omitted. Show it:
1
a thread sewing machine, which is operated inline - offline - combined with external and internal sheet feeding and
2
a thread sewing machine inline - offline - combined with external and internal sheet feed, with different formats within a book block.

Ausführungsbeispiele der ErfindungEmbodiments of the invention

Fig. 1 zeigt ein Verfahren zum Betrieb einer Fadenheftmaschine 1 inline - offline - kombiniert mit externer und interner Druckbogenzuführung 2, 3, mit z.B. verschiedenen Formaten innerhalb eines Buchblocks 4. Beispielsweise sollen 6 gefalzte Signaturen 5 zu einem Buchblock verarbeitet werden, wobei 5 Signaturen (Nr. 1, 2, 3, 4 und 6) das gleiche Format haben und von einer Digitaldruckmaschine automatisch zugeführt werden sollen. Signatur Nr. 5 besitzt ein kleineres Format und soll, um ein zeitraubendes Zusammentragen mit den anderen Signaturen zu vermeiden, direkt dem Verarbeitungsprozess der Fadenheftmaschine 1 zugeführt werden. Die Signaturen Nr. 1, 2, 3, 4 und 6 werden von der Digitaldruckmaschine kommend, gefalzt nacheinander auf den Hilfssattel 6 gelegt und taktweise nacheinander horizontal auf den Heftsattel 7 gezogen oder geschossen. Dies geschieht in der Reihenfolge 1, 2, 3, 4, 0, 6. 1 shows a method for operating a thread sewing machine 1 inline - offline - combined with external and internal sheet feed 2, 3, with e.g. different formats within a book block 4. For example, 6 folded signatures 5 are to be processed into a book block, with 5 signatures (No. 1 , 2, 3, 4 and 6) have the same format and are to be fed automatically by a digital press. Signature No. 5 has a smaller format and, in order to avoid time-consuming collation with the other signatures, should be fed directly to the processing operation of book sewing machine 1. Coming from the digital printing machine, the signatures no. 1, 2, 3, 4 and 6 are folded and placed one after the other on the auxiliary saddle 6 and successively drawn or shot horizontally onto the stitching saddle 7 in cycles. This happens in the order 1, 2, 3, 4, 0, 6.

0 bedeutet, dass im Hilfssattelzuführungsprozess nach der vierten Signatur eine Lücke in Form eines Leertaktes gelassen wird, um Platz für die Signatur Nr. 5 auf dem Heftsattel 7 zu machen. Alle Signaturen Nr. 5 werden in das interne Magazin der Fadenheftmaschine 1 eingelegt, abgezogen, mit der offenen Seite voraus unter dem Heftsattel 7 durchgeführt, um 90° nach oben umgelenkt, geöffnet und durch die Greifertrommel vertikal auf den Heftsattel befördert. Die Greifertrommel 8 arbeitet nur im 5. Takt, da sie durch einen Servomotor gesteuert wird. Während des Leertaktes des Hilfssattels 6, in dem der Heftsattel 7 nicht horizontal beladen wird, befördert die Greifertrommel 8 die Signatur Nr. 5 vertikal auf den Heftsattel 7 und schliesst damit die Lücke im Druckbogenlauf. Im nächsten Takt wird die 6. und letzte Signatur des Buches wieder über den Hilfssattel horizontal zugeführt. Danach beginnt der Vorgang erneut.0 means that in the auxiliary saddle feeding process, after the fourth signature, a gap in the form of an idle bar is left to make room for signature No. 5 on the stitching saddle 7. All signatures No. 5 are placed in the internal magazine of the thread sewing machine 1, removed, guided under the sewing saddle 7 with the open side first, deflected upwards by 90°, opened and conveyed vertically to the sewing saddle by the gripper drum. The gripper drum 8 only works in the 5th cycle, since it is controlled by a servo motor. During the idle cycle of the auxiliary saddle 6, in which the stitching saddle 7 is not loaded horizontally, the gripper drum 8 conveys the signature no. 5 vertically onto the stitching saddle 7 and thus closes the gap in the printed sheet run. In the next bar, the 6th and last signature of the book is fed horizontally again via the auxiliary saddle. After that, the process starts again.

Fig. 2 zeigt ein Verfahren zum Betrieb einer Fadenheftmaschine 1 inline - offline - kombiniert mit externer und interner Druckbogenzuführung 2, 3, mit z.B. verschiedenen Formaten innerhalb eines Buchblocks 4, wobei die Druckbogen in einem Buch sowohl hintereinander als auch übereinander geheftet werden sollen. Dies bedeutet: Druckbogen unterschiedlicher Formate müssen auf dem Heftsattel 7 ineinander gesteckt werden können: Beispielsweise 6 gefalzte Signaturen sollen zu einem Buchblock von 5 Druckbogen verarbeitet werden, wobei 5 Signaturen (Nr. 1, 2, 3, 4 und 6) das gleiche Format haben und von einer Digitaldruckmaschine automatisch zugeführt werden sollen. Signatur Nr. 5 könnte z.B. ein Kunstdruck sein, besitzt ein kleineres Format und soll über Signatur Nr. 4 gelegt werden. Dies entspricht einem Einstecken der Signatur Nr. 4 in Signatur Nr. 5. Um ein zeitraubendes Zusammentragen bzw. Einstecken von Hand mit den anderen Signaturen zu vermeiden, soll die Sondersignatur Nr. 5 direkt dem Verarbeitungsprozess der Fadenheftmaschine zugeführt werden. Die Signaturen Nr. 1, 2, 3, 4 und 6 werden von der Digitaldruckmaschine kommend, gefalzt nacheinander auf den Hilfssattel 6 gelegt und taktweise nacheinander horizontal auf den Heftsattel 7 gezogen oder geschossen. Dies geschieht in der Reihenfolge 1, 2, 3, 4, 6. Diesmal ist kein Leertakt auf dem Hilfssattel 6 nötig, da Signatur 5 über Signatur 4 gelegt werden soll. Alle Signaturen Nr. 5 werden in das interne Magazin der Fadenheftmaschine 1 eingelegt, abgezogen, mit der offenen Seite voraus unter dem Heftsattel 7 durchgeführt, um 90° nach oben umgelenkt, geöffnet und durch die Greifertrommel 8 vertikal auf den Heftsattel 7 befördert. Die Greifertrommel 8 arbeitet nur im 4. Takt, da sie durch einen Servomotor gesteuert wird. 2 shows a method for operating a thread sewing machine 1 inline - offline - combined with external and internal sheet feed 2, 3, with eg different formats within a book block 4, the sheets in a book to be stitched both one behind the other and one above the other. This means: Printed sheets of different formats must be able to be inserted into one another on the stitching saddle 7: For example, 6 folded signatures are to be processed into a book block of 5 printed sheets, with 5 signatures (nos. 1, 2, 3, 4 and 6) having the same format and are to be fed automatically by a digital printing machine. Signature No. 5 could be an art print, for example, has a smaller format and should be placed over Signature No. 4. This corresponds to inserting signature no. 4 into signature no. 5. In order to avoid time-consuming gathering or insertion by hand with the other signatures, special signature no. 5 should be fed directly to the processing of the book sewing machine. Coming from the digital printing machine, the signatures no. 1, 2, 3, 4 and 6 are folded and placed one after the other on the auxiliary saddle 6 and successively drawn or shot horizontally onto the stitching saddle 7 in cycles. This happens in the order 1, 2, 3, 4, 6. This time, no idle bar on the auxiliary saddle 6 is necessary, since signature 5 is to be placed over signature 4. All signatures No. 5 are placed in the internal magazine of the thread sewing machine 1, removed, passed under the stitching saddle 7 with the open side first, deflected upwards by 90°, opened and conveyed vertically by the gripper drum 8 to the stitching saddle 7. The gripper drum 8 only works in the 4th cycle, since it is controlled by a servo motor.

Die Signaturen 1, 2, und 3 in Fig. 2 werden nun nacheinander über den Hilfssattel 6 horizontal auf den Heftsattel 7 eingezogen oder geschossen und nacheinander angeheftet. Während nun Signatur Nr. 4 horizontal dem Heftsattel 7 zugeführt wird, wird zeitgleich Signatur Nr. 5 vertikal auf den Heftsattel 7 und damit über die Signatur Nr. 4 gelegt. Die Vorderkante von Signatur Nr. 4 hat dabei vorher geometrisch die Hinterkante der von oben zugeführten Signatur Nr. 5 passiert, damit es nicht zur Kollision kommt. Damit sind beide Signaturen ineinander gesteckt und können nun an Signatur Nr. 3 angeheftet werden. Danach steht die Greifertrommel 8 still und Signatur Nr. 6 wird im nächsten und letzten Takt wieder horizontal auf den Heftsattel 7 befördert. Nun kann der Vorgang von Neuem beginnen.The signatures 1, 2, and 3 in 2 are now successively drawn horizontally onto the stapling saddle 7 via the auxiliary saddle 6 or shot and tacked one after the other. While now signature no. 4 is fed horizontally to the binding saddle 7, at the same time signature no. 5 is placed vertically on the binding saddle 7 and thus over the signature no. The leading edge of signature no. 4 has previously passed geometrically the trailing edge of signature no. 5 fed in from above, so that a collision does not occur. Both signatures are now plugged into each other and can now be attached to signature no. 3. After that, the gripper drum 8 stands still and signature no. 6 is conveyed horizontally to the stitching saddle 7 again in the next and last cycle. Now the process can start again.

Der nachfolgend beschriebene Vorgang entspricht einem gleichzeitigen Beladen des Heftsattels mit zwei Druckbogen unterschiedlichen Formates sowohl über die Greifertrommel als auch über den Hilfssattel innerhalb eines Maschinentaktes. Die beiden Druckbogen werden auf dem Heftsattel ineinander gesteckt und anschliessend an die vorhergehende Signatur geheftet.The process described below corresponds to a simultaneous loading of the stitching saddle with two printed sheets of different formats both via the gripper drum and via the auxiliary saddle within one machine cycle. The two printed sheets are inserted into one another on the saddle and then stapled to the previous signature.

Zum besseren Verständnis beginnt der Vorgang bei 1° und endet bei 360°. Zum Beginn des Vorgangs sind sowohl der Hilfssattel als auch die Greifertrommel mit je einer Signatur bestückt und sollen dem Heftsattel zugeführt werden: 1°: Der Heftsattel erreicht die Beladeposition. 2° - 45°: Die Druckbogenvorderkante der sich auf dem Hilfssattel befindlichen Signatur 4 erreicht den Heftsattel und wird über die Einschiessrolle in Richtung Druckbogenanschlag beschleunigt. 20° - 85°: Die Druckbogenunterkante der sich auf der Greifertrommel befindlichen Signatur 5 erreicht den Heftsattelspitz und wird auf den Heftsattel aufgelegt. Zu diesem Zeitpunkt hat die Druckbogenvorderkante der Signatur 4 die Druckbogenhinterkante der Signatur 5 bereits passiert, sodass es nicht zur Kollision der beiden Druckbogen kommen kann. Während nun Signatur 4 den Druckbogenanschlag erreicht wird gleichzeitig Signatur 5 darüber gelegt. Beide Druckbogen sind somit ineinander gesteckt. 86° - 170°: Der Heftsattel fährt in Heftposition in Wirkverbindung mit einer Nähstation 9. Während dieser Zeit werden die beiden Signaturen über den kurvengesteuerten Kopfanschlag ausgerichtet. 171° - 285°: Beide Signaturen werden gemeinsam an die vorhergehende Signatur geheftet. 286° - 360°: Der Heftsattel fährt zurück in die Beladeposition. Der Vorgang kann nun erneut beginnen. For better understanding, the process starts at 1° and ends at 360°. At the beginning of the process, both the auxiliary saddle and the gripper drum are each equipped with a signature and should be fed to the stitching saddle: 1°: The stitching saddle reaches the loading position. 2° - 45°: The front edge of the printed sheet of signature 4 on the auxiliary saddle reaches the stitching saddle and is accelerated in the direction of the printed sheet stop by the injection roller. 20° - 85°: The bottom edge of the signature 5 on the gripper drum reaches the tip of the saddle and is placed on the saddle. At this point in time, the leading edge of the signature 4 has already passed the trailing edge of the signature 5, so that the two printed sheets cannot collide. While signature 4 now reaches the print sheet stop, signature 5 is placed over it at the same time. Both sheets are thus inserted into each other. 86° - 170°: The stapling saddle moves into the stapling position in operative connection with a sewing station 9. During this time, the two signatures are aligned via the cam-controlled head stop. 171° - 285°: Both signatures are attached together to the previous signature. 286° - 360°: The stitching saddle moves back to the loading position. The process can now begin again.

Darüber hinaus lassen sich mit dem erfindungsgemässen Gegenstand Fadenheftmaschinen optional ausbauen, welche verschiedene Konzepte aufweisen können. Die hier beschriebenen Varianten, welche durch Figuren nicht näher gezeigt sind, können vom Fachmann ohne Weiteres erfasst werden, und sie sind nicht als abschliessende Konzepte zu verstehen.In addition, with the object according to the invention, thread sewing machines can be optionally expanded, which can have different concepts. The variants described here, which are not shown in more detail by figures, can be readily grasped by a person skilled in the art and are not to be understood as conclusive concepts.

Eine Variante betrifft eine Fadenheftmaschine, welche offline betrieben wird. Diese Version ist die klassische Art der Fadenheftmaschine. Der Heftsattel wird von einem oder mehreren eigenen Magazinen aus beliefert. Dabei ist es unerheblich, ob klassisches Fadenheften (mehrere Druckbogen hintereinander heften) oder Sammelheften (mehrere Druckbogen übereinander heften) praktiziert wird. Die Maschine ist nicht mit der Aussenwelt verbunden, sondern produziert uneingebunden. Die Druckbogen werden dabei im Magazin abgezogen, auf ein Transportband gelegt und mit der offenen Seite voraus unter dem Heftsattel hindurch geführt, um 90° nach oben umgelenkt, geöffnet, von der Greifertrommel gegriffen, um die eigene Achse gelenkt und auf den Heftsattel gelegt (vertikale Beladung) und dann hintereinander oder übereinander geheftet.One variant relates to a book sewing machine that is operated offline. This version is the classic type of thread sewing machine. The stitching saddle is supplied by one or more of its own magazines. It is irrelevant whether classic thread sewing (stapling several printed sheets one after the other) or saddle stitching (stitching several printed sheets on top of each other) is practiced. The machine is not connected to the outside world, but produces independently. The printed sheets are removed from the magazine, placed on a conveyor belt and guided under the stitching saddle with the open side first, deflected upwards by 90°, opened, gripped by the gripper drum, steered around its own axis and placed on the stitching saddle (vertical loading) and then stapled one behind the other or one above the other.

Eine weitere Variante betrifft eine Fadenheftmaschine, welche inline - offline - kombiniert betrieben wird. Bei dieser Variante findet die Beladung entweder gleichzeitig vertikal über die Greifertrommel und horizontal über den Hilfssattel statt (eine Signatur seitlich auf den Heftsattel gezogen oder geschossen und die andere vertikal über die Greifertrommel darüber gelegt) oder aber taktweise versetzt, beispielsweise 3 Signaturen hintereinander vom Hilfssattel aus, dann ein Leertakt vom Hilfssattel und in diesem Leertakt wird ein Druckbogen vertikal über die Greifertrommel auf den Heftsattel gelegt. Oder beispielsweise 4 Signaturen hintereinander vom Hilfssattel aus ohne Leertakt und über die letzte Signatur oder eine andere Signatur wird vertikal von der Greifertrommel eine weitere Signatur darüber gelegt. Die Kombinationsmöglichkeiten sind hier sehr vielseitig und besonders geeignet, um in einem Buch mindestens 2 verschiedene Formate zu verarbeiten (Kunstdruck) oder aber auch, um Druckbogen unterschiedlichen Formates ineinander stecken zu können.Another variant relates to a thread sewing machine, which is operated inline - offline - combined. In this variant, the loading takes place either vertically via the gripper drum and horizontally via the auxiliary saddle (one signature is pulled or shot laterally onto the binding saddle and the other is placed vertically over the gripper drum) or staggered in cycles, for example 3 signatures in a row from the auxiliary saddle , then an idle cycle from the auxiliary saddle and in this idle cycle a printed sheet is placed vertically over the gripper drum onto the stitching saddle. Or, for example, 4 signatures in a row from the auxiliary saddle without an idle cycle and over the last signature or another signature another signature is placed vertically by the gripper drum. The possible combinations here are very versatile and particularly suitable for processing at least 2 different formats in one book (art print) or for being able to insert printed sheets of different formats into one another.

Eine weitere Variante betrifft eine Fadenheftmaschine, welche inline - externe Druckbogenzuführung betrieben wird. Bei dieser Version sollen beispielsweise 5 gefalzte Signaturen von einer Digitaldruckmaschine oder einer Falzmaschine kommend zu einem Buchblock verarbeitet werden. Die seitlich an den Hilfssattel der Fadenheftmaschine angedockte Digitaldruckmaschine bzw. Falzmaschine übernimmt dabei das Falzen und Auflegen der Druckbogen. Die gefalzten Signaturen werden geöffnet in der Reihenfolge 1, 2, 3, 4, 5 nacheinander auf den Hilfssattel gelegt und einzeln über eine Mitnehmerkette in Richtung Heftsattel geschoben. Die Transportlänge eines Mitnehmerkettenstranges entspricht dabei einem Heftmaschinentakt. Der erste Mitnehmer schiebt nun den zu heftenden Druckbogen an den sich in Beladeposition befindlichen Heftsattel heran. Am Beginn des Heftsattels wird die Signatur entweder durch eine Beschleunigerrolle auf den Heftsattel geschossen oder über ein Riementransportsystem auf den Heftsattel gezogen. Danach bewegt sich der Heftsattel in Heftposition und heftet die Signatur. Nach Anheften der Signatur bewegt sich der Heftsattel wieder in die Beladeposition und der Vorgang beginnt erneut. Die Beladung des Heftsattels erfolgt hier in einer Grundversion ausschliesslich horizontal von extern über den Hilfssattel. Die maschineninterne Greifertrommel zum vertikalen Beladen des Heftsattels ist zunächst nicht in Betrieb, lässt sich aber jederzeit bei Bedarf in Betrieb nehmen.Another variant relates to a thread sewing machine, which is operated inline - external sheet feeding. In this version, for example, 5 folded signatures coming from a digital printing machine or a folding machine are to be processed into a book block. The digital printing machine or folding machine docked to the side of the auxiliary saddle of the thread sewing machine takes over the folding and placing of the printed sheets. The folded signatures are opened and placed one after the other on the auxiliary saddle in the order 1, 2, 3, 4, 5 and pushed individually via a carrier chain in the direction of the stitching saddle. The transport length of a driver chain strand corresponds to a stapling machine cycle. The first driver now pushes the printed sheet to be stapled up to the stapling saddle that is in the loading position. At the beginning of the stitching saddle, the signature is either shot onto the stitching saddle by an accelerator roller or pulled onto the stitching saddle using a belt transport system. The stapling saddle then moves to the stapling position and staples the signature. After the signature has been attached, the attachment saddle moves back to the loading position and the process begins again. In a basic version, the stapling saddle is loaded exclusively horizontally from the outside via the auxiliary saddle. The gripper drum inside the machine for vertical loading of the stitching saddle is initially not in operation, but can be put into operation at any time if required.

Eine weitere Variante betrifft eine Fadenheftmaschine, welche offline - interne Druckbogenzuführung betrieben wird. Bei dieser Version sollen beispielsweise 4 gefalzte Signaturen zu einem Buchblock verarbeitet werden. Die zu heftenden Signaturen werden in der Reihenfolge 1, 2, 3, 4, ... in das maschineneigene Magazin eingelegt und nacheinander abgezogen, unter dem Heftsattel mit der offenen Seite voraus durchgeführt, um 90° nach oben in Richtung Heftsattel geführt, geöffnet und über eine Greifertrommel um die eigene Achse gedreht und auf den Heftsattel gelegt. Die Zuführung eines Druckbogens entspricht einem Maschinentakt = 360°. Nach jeder aufgelegten Signatur bewegt sich der Heftsattel aus der Beladeposition in Heftposition und die Signatur wird geheftet. Danach beginnt der Vorgang erneut. Dabei findet die Beladung des Heftsattels ausschliesslich intern (vertikal) über das eigene Magazin und die Greifertrommel statt. Der horizontale Hilfssattel und eine evtl. angeschlossene Digitaldruckmaschine bzw. eine Falzmaschine sind somit nicht in Betrieb.Another variant relates to a thread sewing machine, which offline - internal sheet feed is operated. In this version, for example, 4 folded signatures are to be processed into one book block. The signatures to be stapled are placed in the machine's own magazine in the order 1, 2, 3, 4, ... and removed one after the other, guided under the staple saddle with the open side first, guided 90° upwards in the direction of the saddle, opened and rotated around its own axis via a gripper drum and placed on the stitching saddle. Feeding in a printed sheet corresponds to one machine cycle = 360°. Moved after each signature placed the stapling saddle moves from the loading position to the stapling position and the signature is stapled. After that, the process starts again. The loading of the stitching saddle takes place exclusively internally (vertically) via its own magazine and the gripper drum. The horizontal auxiliary saddle and any connected digital printing machine or folding machine are therefore not in operation.

Eine weitere Variante betrifft eine Sammelfadenheftmaschine, welche offline - interne Druckbogenzuführung betrieben wird. Eine zu verarbeitende Broschur besteht beispielsweise aus drei einzelnen gefalzten Druckbogen, die übereinander gesammelt und anschliessend mit einem Stich geheftet und mit einem zusätzlichen Leerstich gegen Lösen gesichert werden sollen. Die gefalzten Druckbogen werden in der Reihenfolge 1, 2, 3, 1, 2, 3, .. in das Magazin eingelegt und nacheinander abgezogen, unter dem Heftsattel mit der offenen Seite voraus durchgeführt, um 90° nach oben in Richtung Heftsattel geführt, geöffnet und über eine Greifertrommel um ca. 180° gedreht und auf den Heftsattel gelegt. Die Zuführung eines Druckbogens entspricht einem Maschinentakt = 360°. Nachdem der erste Druckbogen auf den Heftsattel gelegt wurde, verbleibt dieser in der Beladeposition und "wartet" auf die nächsten Druckbogen. Der zweite Druckbogen wird nun über den ersten Druckbogen gelegt und anschliessend darüber der dritte Druckbogen über den servogesteuerten Heftsattel der Sammelfadenheftmaschine. Nach der letzten aufgelegten Signatur bewegt sich der Heftsattel aus der Beladeposition in Heftposition und die Broschur wird geheftet und ein Leerstich ausgeführt. Danach beginnt der Vorgang erneut. Dabei findet die Beladung des Heftsattels ausschliesslich intern (vertikal) über das eigene Magazin und die Greifertrommel statt. Der horizontale Hilfssattel und eine evtl. angeschlossene Digitaldruckmaschine bzw. eine Falzmaschine sind somit nicht in Betrieb.Another variant relates to a gathering thread sewing machine, which offline - internal sheet feed is operated. A brochure to be processed consists, for example, of three individual folded printed sheets that are to be collected one on top of the other and then stapled with one stitch and secured against loosening with an additional empty stitch. The folded printed sheets are inserted into the magazine in the order 1, 2, 3, 1, 2, 3, .. and pulled off one after the other, guided under the saddle with the open side first, guided 90° upwards in the direction of the saddle, opened and rotated by approx. 180° via a gripper drum and placed on the stitching saddle. Feeding in a printed sheet corresponds to one machine cycle = 360°. After the first sheet has been placed on the saddle, it remains in the loading position and "waits" for the next sheet. The second printed sheet is now laid over the first printed sheet and then the third printed sheet over the servo-controlled saddle of the saddle stitching machine. After the last signature has been placed, the stitching saddle moves from the loading position to the stitching position and the brochure is stitched and a blank stitch is executed. After that, the process starts again. The loading of the stitching saddle takes place exclusively internally (vertically) via its own magazine and the gripper drum. The horizontal auxiliary saddle and any connected digital printing machine or folding machine are therefore not in operation.

Das Verfahren zum Betrieb der erfindungsgemässen Fadenheftmaschine weist folgende Vorteile auf:

  • Die Maschine kann mit mindestens zwei verschiedenen Formaten innerhalb einer Produktion beladen werden. Dies ist nur möglich durch eine Beladung des Heftsattels aus zwei verschiedenen Richtungen.
  • Die Maschine kann sowohl inline als auch offline (stand alone) betrieben werden.
  • Die Maschine kann gleichzeitig inline und offline betrieben werden (kombiniert).
  • Die Maschine kann sowohl klassisch Fadenheften als auch Sammelfadenheften.
  • Die Maschine kann klassisches Fadenheften und Sammelfadenheften kombinieren (Druckbogen ineinander stecken und Druckbogen übereinander als auch hintereinander Heften innerhalb einer Produktion).
The method for operating the thread sewing machine according to the invention has the following advantages:
  • The machine can be loaded with at least two different formats within one production run. This is only possible by loading the saddle from two different directions.
  • The machine can be operated both inline and offline (stand alone).
  • The machine can be operated simultaneously inline and offline (combined).
  • The machine can do both classic thread sewing and collecting thread sewing.
  • The machine can combine classic thread sewing and gathering thread sewing (stitching printed sheets into one another and printed sheets on top of each other as well as one behind the other within a production run).

Claims (17)

  1. A method of operating a thread stitching machine (1) for the processing of printed sheets to form book blocks, the thread stitching machine essentially consisting of at least one conveyor system (2, 3) for the printed sheets (5) and at least one sewing station (9), characterised in that the sewing station is operatively connected to at least one stitching saddle (7), the stitching saddle in turn being operatively connected to the conveyor system for the feeding of the printed sheets, in that the feeding of the printed sheets processed in the sewing station is carried out, using a feeding device operating in a vertical direction and whose printed sheet feeding is always oriented towards the stitching saddle, in a vertical or quasi-vertical plane and, using a horizontally operating device that undertakes the feed of the printed sheets onto the stitching saddle, in a horizontal or quasi-horizontal plane relative to the stitching saddle, and the printed sheets, positioned in such a way as to straddle the stitching saddle, are fed to the sewing station, and in that at least the vertical or quasi-vertical feeding of the printed sheets is carried out directly onto the stitching saddle.
  2. A method according to Claim 1, characterized in that within one machine cycle the stitching saddle is loaded with at least one printed sheet.
  3. A method according to Claim 1, characterized in that within one machine cycle the stitching saddle is loaded with at least two printed sheets lying one on top of the other.
  4. A method according to Claim 1, characterized in that the vertical feeding of differently sized and shaped printed sheets is carried out directly onto the stitching saddle by at least one feed device.
  5. A method according to Claim 4, characterized in that the feed device is operatively connected to the stitching saddle when said stitching saddle is in a loading position.
  6. A method according to Claim 5, characterized in that the feed device is operated as a gripper drum (8).
  7. A method according to Claims 1 to 6, characterized in that the stitching saddle is operatively connected to a further feed device, which, in an end phase, pushes the printed sheets horizontally or quasi-horizontally onto the stitching saddle when this is in a loading position.
  8. A method according to Claim 7, characterized in that the feed device is formed by at least one auxiliary saddle (6) which essentially extends at the side of the stitching saddle.
  9. A method according to Claim 8, characterized in that the auxiliary saddle and/or the stitching saddle are loaded horizontally and/or vertically with printed sheets.
  10. A method according to Claim 7, characterized in that the feed device operates directly at the side of the stitching saddle and has combined vertical and horizontal kinematics for feeding and loading the printed sheets onto the stitching saddle.
  11. A method according to one or more of Claims 1 to 10, characterized in that the thread stitching machine is operated offline or inline.
  12. A method according to one or more of Claims 1 to 11, characterized in that the printed sheets are fed from a digital printing machine and/or from a magazine to at least one folding apparatus and to at least one feed device.
  13. A method according to one or more of Claims 1 to 12, characterized in that one machine cycle comprises the following steps: 1°: The stitching saddle reaches the loading position. 2° - 45°: The leading edge of the printed sheet located on the auxiliary saddle reaches the stitching saddle and is accelerated by means of the shoot-in roller towards the printed-sheet stop. 20° - 85°: The lower edge of the printed sheet located on the gripper drum reaches the top of the stitching saddle and is placed on said stitching saddle, at which time the leading edge of a first printed sheet has already passed the trailing edge of a second printed sheet so that it cannot lead to a collision of the two printed sheets. As the first printed sheet reaches the printed-sheet stop, the second printed sheet is simultaneously placed over it. The two printed sheets are thus inserted one inside the other. 86° - 170°: The stitching saddle, operatively connected to the sewing station (9), moves into the stitching position. In the meantime, the two printed sheets are aligned by means of the cam-controlled head stop. 171° - 285°: The two printed sheets are together stitched to the preceding printed sheets. 286° - 360°: The stitching saddle moves back into the loading position. The process can now start again.
  14. A thread stitching machine for implementing a method of processing printed sheets to form book blocks, the thread stitching machine (1) essentially comprising at least one conveyor system (2, 3) for the printed sheets (5), at least one stitching saddle (7) and at least one sewing station (9), the sewing station being operatively connected to the at least one stitching saddle (7) and the stitching saddle being in turn operatively connected to the conveyor system for the printed sheets, wherein the feeding of the printed sheets processed in the sewing station is carried out, using a feeding device operating in a vertical direction and whose printed sheet feeding is always oriented towards the stitching saddle, in a vertical or quasi-vertical plane and, using a horizontally operating device that undertakes the feed of the printed sheets onto the stitching saddle, in a horizontal or quasi-horizontal plane relative to the stitching saddle, and the printed sheets, positioned in such a way as to straddle the stitching saddle, can be fed to the sewing station, and wherein at least the vertical or quasi-vertical feeding of the printed sheets is carried out directly onto the stitching saddle.
  15. A thread stitching machine according to Claim 14, characterized in that the vertical feeding of differently sized and shaped printed sheets directly onto the stitching saddle is achieved by means of at least one feed device.
  16. A thread stitching machine according to Claim 15, characterized in that the feed device is located above and/or at the side of the stitching saddle.
  17. A thread stitching machine according to Claim 15, characterized in that the feed device is a gripper drum and/or an auxiliary saddle.
EP13164332.2A 2012-04-24 2013-04-18 Method for operating a thread sewing machine Active EP2657163B2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH5612012 2012-04-24

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CN106985567B (en) * 2017-04-27 2018-08-07 庸博（厦门）电气技术有限公司 The installing of paper transfer matic is standby
EP3599104A1 (en) * 2018-07-25 2020-01-29 Müller Martini Holding AG Installation for discharging printed products of various or different thickness and method for transferring it to an outlet
CN112677671B (en) * 2020-12-01 2021-08-10 浙江省邮电印刷股份有限公司 Book sewing machine convenient to ejection of compact

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Also Published As

Publication number Publication date
EP2657163A1 (en) 2013-10-30
CN103373118B (en) 2017-05-24
EP2657163B1 (en) 2015-01-07
US20130277906A1 (en) 2013-10-24
CN103373118A (en) 2013-10-30
US8967609B2 (en) 2015-03-03

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