EP0782538A1 - Process for producing inner books consisting of folded printed sheets - Google Patents

Process for producing inner books consisting of folded printed sheets

Info

Publication number
EP0782538A1
EP0782538A1 EP96921858A EP96921858A EP0782538A1 EP 0782538 A1 EP0782538 A1 EP 0782538A1 EP 96921858 A EP96921858 A EP 96921858A EP 96921858 A EP96921858 A EP 96921858A EP 0782538 A1 EP0782538 A1 EP 0782538A1
Authority
EP
European Patent Office
Prior art keywords
printed
sewing
sheets
sheet
printed sheets
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.)
Granted
Application number
EP96921858A
Other languages
German (de)
French (fr)
Other versions
EP0782538B1 (en
Inventor
Hans Hollenstein
Heinz Bötschi
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
Application filed by Grapha Holding AG filed Critical Grapha Holding AG
Publication of EP0782538A1 publication Critical patent/EP0782538A1/en
Application granted granted Critical
Publication of EP0782538B1 publication Critical patent/EP0782538B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • B42B2/02—Machines for stitching with thread
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H7/00—Controlling article feeding, separating, pile-advancing, or associated apparatus, to take account of incorrect feeding, absence of articles, or presence of faulty articles
    • B65H7/02—Controlling article feeding, separating, pile-advancing, or associated apparatus, to take account of incorrect feeding, absence of articles, or presence of faulty articles by feelers or detectors
    • B65H7/06—Controlling article feeding, separating, pile-advancing, or associated apparatus, to take account of incorrect feeding, absence of articles, or presence of faulty articles by feelers or detectors responsive to presence of faulty articles or incorrect separation or feed
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42B—PERMANENTLY ATTACHING TOGETHER SHEETS, QUIRES OR SIGNATURES OR PERMANENTLY ATTACHING OBJECTS THERETO
    • B42B9/00—Devices common to machines for carrying out the processes according to more than one of the preceding main groups
    • B42B9/04—Devices common to machines for carrying out the processes according to more than one of the preceding main groups for conveying downwardly-open 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
    • B65H2511/00—Dimensions; Position; Numbers; Identification; Occurrences
    • B65H2511/40—Identification
    • B65H2511/413—Identification of image
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2513/00—Dynamic entities; Timing aspects
    • B65H2513/50—Timing
    • B65H2513/512—Starting; Stopping

Definitions

  • the invention relates to a process for the production of book blocks consisting of folded printed sheets, in which the printed sheets having different printed images are individually fed to the sewing device of a thread-stitching machine according to a specific order and are stitched together by at least one binding thread passing through the printed sheet fold.
  • Processes of this kind are used to produce books of high binding quality.
  • the different, folded printed sheets forming the book blocks are made available in a stacked order in a certain order according to the content of the book block to be produced, and are successively sent to a processing line by a separating device.
  • the printed sheets pass through a station in which they are checked for correctness and readiness for processing. In front of this station they are opened for the purpose of processing in the sewing device and astride a saddle-shaped support, where they are taken over by drivers of a rotating conveyor.
  • a reading device directed from the outside onto the saddle-shaped support determines which printed sheet it is, which is then checked in a comparison device connected to the reading device.
  • the comparison device signals a control if it is a defective sheet. If this is the case, the processing process is stopped and the faulty printing sheet is replaced.
  • the comparison device contains the data of the target values of the printed sheets intended for a complete book block as well as their sequence, the necessary data being recorded or stored in a previous calibration process.
  • This type of print sheet detection allows the sheet sequence to be ensured and correct.
  • this object is achieved in that the printed sheets on the conveying path to the sewing device on at least one of the sides forming the fold inner edge of the printed sheets in a spread position on a sheet type or. the completeness and / or processing position are guided past on the basis of the control device checking the printed images, which among other things the reliability of the processing process can be increased.
  • the printed images of the printed sheets are optically read and recorded, then compared with a stored reference value and a difference calculated therefrom to form a signal that has a stopping or correcting effect on the production process of the thread sewing machine is triggered , so that an easily understandable functional connection can arise.
  • a transfer device has proven to be suitable which has laterally sloping bearing surfaces which are interrupted in the reading area of the reading device or are formed with a window-like recess.
  • the reading device is expediently connected to a comparison device which records / stores a stored setpoint value which can be changed and is designed as an electronic computer.
  • a control is preferably connected to the comparison device, which can influence the stapling process, the transfer device or the thread-stitching machine between the feed on the singling device and the sewing device on signals from the comparison device, i.e. can interrupt or correct the processing process.
  • Fig. 1 is a schematic side view of a thread stitching machine
  • Fig. 2 is a view of the underside of a sheet.
  • FIG. 1 shows a thread-stitching machine 1 with a printed sheet feeder 2, which has a magazine 3, in which the printed sheets 4 are provided stacked one on top of the other in the order of a book block 5 to be produced.
  • the printed sheets 4 are individually picked up on the underside of the stack by vacuum cleaners, grippers (not shown) or the like, pulled off and passed on to a conveyor 6.
  • the latter passes through an opening station 7, in which the printed sheets 4 are gripped laterally (for example by means of suction devices) and are delivered astride a transfer device 8 in a spread position.
  • the transfer device 8 has a - .3 -
  • the printed sheet is put through the stitching saddle 16 into the binding position in which the sewing process takes place (to be read in the prior art).
  • the sewing of the printed sheets 4 to book blocks is indicated by a needle 21 and a binding thread 22 shown.
  • the book blocks 5 are continuously removed with a conveyor belt 23.
  • a comparison device (not shown) which calculates differences which form a signal which is used to control the control device.
  • the latter consists of the reading device, which is initiated by a reflecting light beam 24 applied approximately perpendicularly to at least one inner side that divides the printing sheets 4 in half, a comparison device evaluating the light beam 24, in which the unconverted light beam is compared as an actual value with a desired value becomes. A signal to a controller calculated from this interrupts or changes the production process of the thread sewing machine.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Sewing Machines And Sewing (AREA)
  • Controlling Sheets Or Webs (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Coloring (AREA)
  • Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)

Abstract

In order to find the opening position of printed sheets (4) fed one behind the other to the sewing device (15) of a thread sewing machine (1), the sheets being astride on a transfer device (8), said sheets are taken past a monitoring device which uses the printed images to check the sheets, on at least one of the sides forming the inner fold edge of a printed sheet (4).

Description

Verfahren zur Herstellung von aus gefalzten Druckbogen bestehenden BuchblöckenProcess for the production of book blocks consisting of folded printed sheets
Die Erfindung betrifft ein Verfahren zur Herstellung von aus gefalzten Druckbogen bestehenden Buchblöcken, bei welchem die unterschiedliche Druckbilder aufweisenden Druckbogen nach ei¬ ner bestimmten Reihenfolge einzeln der Nähvorrichtung einer Fadenheftmaschine zugeführt und durch wenigstens einen den Druckbogenfalz durchsetzenden Bindefaden aneinandergeheftet werden.The invention relates to a process for the production of book blocks consisting of folded printed sheets, in which the printed sheets having different printed images are individually fed to the sewing device of a thread-stitching machine according to a specific order and are stitched together by at least one binding thread passing through the printed sheet fold.
Verfahren dieser Art dienen der Produktion von Büchern hoher Bindequalität.Processes of this kind are used to produce books of high binding quality.
Die die Buchblöcke bildenden verschiedenen, gefalzten Druckbo¬ gen werden in einer bestimmten Reihenfolge nach dem Inhalt des herzustellenden Buchblockes in mehrfacher Ausführung gestapelt bereitgestellt und durch eine Vereinzelungsvorrichtung nach¬ einander auf eine Verarbeitungsstrecke geschickt. Auf dem Weg zur Nähvorrichtung der Fadenheftmaschine, die be¬ kannterweise durch unterschiedliche Nähsysteme ausgebildet ist, durchlaufen die Druckbogen eine Station, in der sie auf Richtigkeit und Verarbeitungsbereitschaft überprüft werden. Vor dieser Station werden sie zum Zweck der Verarbeitung in der Nähvorrichtung geöffnet und rittlings einer sattelförmigen Auflage zugeführt, wo sie von Mitnehmern einer umlaufenden Fördervorrichtung übernommen werden.The different, folded printed sheets forming the book blocks are made available in a stacked order in a certain order according to the content of the book block to be produced, and are successively sent to a processing line by a separating device. On the way to the sewing device of the thread sewing machine, which is known to be formed by different sewing systems, the printed sheets pass through a station in which they are checked for correctness and readiness for processing. In front of this station they are opened for the purpose of processing in the sewing device and astride a saddle-shaped support, where they are taken over by drivers of a rotating conveyor.
Eine von aussen auf die sattelförmige Auflage gerichtete Lese¬ vorrichtung stellt fest, um welchen Druckbogen es sich han¬ delt, der anschliessend in einer mit der Lesevorrichtung ver¬ bundenen Vergleichsvorrichtung überprüft wird. Die Vergleichs¬ vorrichtung signalisiert eine Steuerung, falls es sich um ei¬ nen fehlerhaften Bogen handelt. Trifft dies zu, wird der Ver- arbeitungsprozess angehalten und der fehlerhafte Druckbogen ausgetauscht. Die Vergleichsvorrichtung enthält die Daten der Sollwerte der für einen vollständigen Buchblock bestimmten Druckbogen sowie über deren Reihenfolge, wobei die erforderli¬ chen Daten in einem vorausgehenden Eichvorgang aufgenommen bzw. abgespeichert werden.A reading device directed from the outside onto the saddle-shaped support determines which printed sheet it is, which is then checked in a comparison device connected to the reading device. The comparison device signals a control if it is a defective sheet. If this is the case, the processing process is stopped and the faulty printing sheet is replaced. The comparison device contains the data of the target values of the printed sheets intended for a complete book block as well as their sequence, the necessary data being recorded or stored in a previous calibration process.
Diese Art der Druckbogenerkennung erlaubt die Sicherstellung der Bogenfolge und die Richtigkeit.This type of print sheet detection allows the sheet sequence to be ensured and correct.
Ungelöst ist die Erkennung der richtigen Öffnung der gefalzten Druckbogen, bevor sie dem Heftprozess übergeben werden. Ein unkorrekt geöffneter Druckbogen würde dazu führen, dass er vom Nähvorgang nur teilweise erfasst wird und anschliessend in dem gebundenen Buchblock nicht verankert ist. Es kommt schon vor, dass ein Druckbogen vor dem Ablegen auf die sattelförmige Auf¬ lage nicht mittig geöffnet wird, sodass nur ein Teil der Fal¬ zinnenkanten auf dem Heftsattel aufliegt bzw. nur ein Teil der Falze beim Nähen erfasst wird. Die nicht erfassten Druckbogen liegen lose zwischen den gebundenen Druckbogen; ein Buch er¬ weist sich so als wertlos.Detection of the correct opening of the folded printed sheets before they are handed over to the stapling process remains unresolved. An incorrectly opened print sheet would result in it being only partially grasped by the sewing process and then not anchored in the bound book block. It may happen that a printed sheet is not opened in the middle before being placed on the saddle-like support, so that only a part of the fold edges rests on the stitching saddle or only a part of the folds is caught when sewing. The unrecorded printed sheets lie loosely between the bound printed sheets; a book turns out to be worthless.
Aufgabe der vorliegenden Erfindung ist es somit, bei der Ver¬ arbeitung von Druckbogen zu Buchblöcken durch Fadenheften die Erfassung des offenen Zustandes eines Druckbogens zu gewähr- j -It is therefore an object of the present invention to ensure the detection of the open state of a printed sheet during the processing of printed sheets into book blocks by thread sewing. j -
leisten unter Einhaltung der bekannten Bedingungen.perform in compliance with the known conditions.
Erfindungsgemäss wird diese Aufgabe dadurch gelöst, dass die Druckbogen auf dem Förderweg zur Nähvorrichtung an wenigstens einer der die Falzinnenkante der Druckbogen bildenden Seiten in aufgespreizter Lage an einer die Bogenart resp. die Voll¬ ständigkeit und/oder Verarbeitungslage anhand der Druckbilder prüfenden Kontrolleinrichtung vorbeigeführt werden, wodurch u.a. die Zuverlässigkeit des Verarbeitungsprozesses erhöht werden kann.According to the invention, this object is achieved in that the printed sheets on the conveying path to the sewing device on at least one of the sides forming the fold inner edge of the printed sheets in a spread position on a sheet type or. the completeness and / or processing position are guided past on the basis of the control device checking the printed images, which among other things the reliability of the processing process can be increased.
Besonders vorteilhaft ist es dabei, wenn die Druckbilder der Druckbogen optisch gelesen und erfasst, anschliessend mit ei¬ nem gespeicherten Referenzwert verglichen und eine daraus er¬ rechnete Differenz zur Bildung eines auf den Produktionsvor¬ gang der Fadenheftmaschine stoppend oder korrigierend wirken¬ des Signal ausgelöst wird, sodass ein einfach überblickbarer funktioneller Zusammenhang entstehen kann.It is particularly advantageous if the printed images of the printed sheets are optically read and recorded, then compared with a stored reference value and a difference calculated therefrom to form a signal that has a stopping or correcting effect on the production process of the thread sewing machine is triggered , so that an easily understandable functional connection can arise.
Umgesetzt bedeutet dies bei einer Fadenheftmaschine, bestehend aus einer der Nähvorrichtung vorgeschalteten Überführungsvor¬ richtung, auf welcher die aufgespreizten Druckbogen hinterein¬ ander gefördert werden, dass innerhalb der die förderwirksam angetriebenen Druckbogen an der Falzinnenkante rittlings auf¬ nehmenden Überführungsvorrichtung eine etwa rechtwinklig zur Bewegungsrichtung der Druckbogen wirkende, einer Kontrollein¬ richtung zugeordnete, optoelektrische Lesevorrichtung angeord¬ net ist.In the case of a thread-stitching machine, consisting of a transfer device upstream of the sewing device, on which the spread printed sheets are conveyed one behind the other, this means that within the transfer device, which drives the conveying action and is driven astringently on the inside edge of the fold, an approximately perpendicular to the direction of movement of the print sheets acting optoelectric reading device assigned to a control device is arranged.
Als geeignet erweist sich eine Uberführungsvorrichtung, die seitlich schräg abfallende Auflageflächen aufweist, welche im Lesebereich der Lesevorrichtung unterbrochen bzw. mit einer fensterartigen Ausnehmung ausgebildet sind. Zweckmässigerweise ist die Lesevorrichtung mit einer einen gespeicherten Sollwert, der verändert werden kann, aufnehmen¬ den/speichernden Vergleichsvorrichtung verbunden, die als elektronischer Rechner ausgebildet ist.A transfer device has proven to be suitable which has laterally sloping bearing surfaces which are interrupted in the reading area of the reading device or are formed with a window-like recess. The reading device is expediently connected to a comparison device which records / stores a stored setpoint value which can be changed and is designed as an electronic computer.
An die Vergleichsvorrichtung ist vorzugsweise eine Steuerung angeschlossen, die auf Signale der Vergleichsvorrichtung den Heftprozess, die Überfuhrungsvorrichtung oder die Fadenheft¬ maschine zwischen Beschickung an der Vereinzelungsvorrichtung und Nähvorrichtung beeinflussen kann, d.h. den Verarbeitungs- prozess unterbrechen oder korrigieren kann.A control is preferably connected to the comparison device, which can influence the stapling process, the transfer device or the thread-stitching machine between the feed on the singling device and the sewing device on signals from the comparison device, i.e. can interrupt or correct the processing process.
Anschliessend wird die Erfindung unter Bezugnahme auf die Zeichnung, auf die bezüglich aller in der Beschreibung nicht näher erwähnten Einzelheiten ausdrücklich verwiesen wird, an¬ hand eines Ausführungbeispeils erläutert. In der Zeichnung zeigen:The invention is then explained with reference to the drawing, to which express reference is made to all details not mentioned in the description, with reference to an exemplary embodiment. The drawing shows:
Fig. 1 eine schematische Seitenansicht einer Faden¬ heftmaschine undFig. 1 is a schematic side view of a thread stitching machine and
Fig. 2 eine Ansicht der Unterseite eines Druckbogens.Fig. 2 is a view of the underside of a sheet.
In Fig. 1- ist eine Fadenheftmaschine 1 mit einem Druckbogen¬ anleger 2 dargestellt, der ein Magazin 3 aufweist, in welchem die Druckbogen 4 gestapelt aufeinanderliegend in der Reihen¬ folge eines herzustellenden Buchblockes 5 bereitgestellt sind. Die Druckbogen 4 werden an der Unterseite des Stapels von Sau¬ gern, Greifern (nicht ersichtlich) oder dgl. einzeln erfasst, abgezogen und an einen Förderer 6 weitergegeben. Letzterer passiert eine Öffnungsstation 7, in der die Druckbogen 4 seit¬ lich ergriffen (bspw. mittels Saugern) und in gespreizter Lage an eine ÜberführungsVorrichtung 8 rittlings abgegeben werden. Die Überführungsvorrichtung 8 weist ein in Förderrichtung ver- - .3 -1 shows a thread-stitching machine 1 with a printed sheet feeder 2, which has a magazine 3, in which the printed sheets 4 are provided stacked one on top of the other in the order of a book block 5 to be produced. The printed sheets 4 are individually picked up on the underside of the stack by vacuum cleaners, grippers (not shown) or the like, pulled off and passed on to a conveyor 6. The latter passes through an opening station 7, in which the printed sheets 4 are gripped laterally (for example by means of suction devices) and are delivered astride a transfer device 8 in a spread position. The transfer device 8 has a - .3 -
laufendes, seitlich schräg abfallende Auflageflächen 9 besit¬ zendes stationäres Stützelement 10 und ein mit diesem zusam¬ menwirkendes, an einem endlos umlaufenden Zugmittel 11 befe¬ stigte Mitnehmer 12 auf. Die Mitnehmer 12 transportieren die Druckbogen 4 auf dem Stützelement 10 gleitend an einer opto- elektrischen Lesevorrichtung 13 -siehe auch Fig. 2- einer Kon¬ trolleinrichtung -auf die noch eingegangen wird- vorbei. Auf¬ grund der Anordnung und Wirkungsweise der Lesevorrichtung 13 ist dieser wenigstens an einer Auflagefläche 9 des Stützel¬ ementes 10 eine Ausnehmung 14 zugeordnet. Das Förderende des Stützelementes 10 resp. der Überfuhrungsvorrichtung 8 ist mit einem einer Nähvorrichtung 15 der Fadenheftmaschine 1 zugeord¬ neten Heftsattel 16 förderwirksam verbunden, wozu die Aufla¬ geflächen 9 des Stützelementes 10 eine koplanare Ebene mit dem Heftsattel 16 bilden. Oberhalb der einen Auflagefläche 9 und Anlagefläche 17 des Heftsattels 16 verläuft ein Trum 18 eines umlaufenden Antriebsbandes 19 zum Weitertransport des Druckbo¬ gens 4 auf den Heftsattel 16, wo er an einem Anschlag 20 an¬ steht.running, laterally sloping bearing surfaces 9 having stationary support element 10 and a driver 12 cooperating therewith and attached to an endlessly rotating traction means 11. The drivers 12 slide the printed sheets 4 on the support element 10 past an opto-electrical reading device 13 - see also FIG. 2- a control device - which will be discussed later. Due to the arrangement and mode of operation of the reading device 13, a recess 14 is assigned to it at least on a support surface 9 of the support element 10. The end of the support element 10 resp. the transfer device 8 is connected with a sewing saddle 16 assigned to a sewing device 15 of the thread sewing machine 1 for the conveying effect, for which purpose the contact surfaces 9 of the support element 10 form a coplanar plane with the stitching saddle 16. Above the one contact surface 9 and contact surface 17 of the stitching saddle 16 there is a run 18 of a rotating drive belt 19 for the further transport of the printing sheet 4 onto the stitching saddle 16, where it abuts a stop 20.
Durch eine Schwenkbewegung nach den gestrichelten Bogenlinien F wird der Druckbogen durch den Heftsattel 16 in die Bindepo¬ sition versetzt, in welcher der Nähvorgang stattfindet (nach¬ zulesen im Stand der Technik) . Auf das Vernähen der Druckbogen 4 zu Buchblöcken ist durch eine dargestellte Nadel 21 und ein Bindefaden 22 hingewiesen. Mit dem Nähvorgang werden die Buch¬ blöcke 5 mit einem Förderband 23 laufend abgeführt.By means of a swiveling movement according to the dashed arc lines F, the printed sheet is put through the stitching saddle 16 into the binding position in which the sewing process takes place (to be read in the prior art). The sewing of the printed sheets 4 to book blocks is indicated by a needle 21 and a binding thread 22 shown. With the sewing process, the book blocks 5 are continuously removed with a conveyor belt 23.
Fig. 2 zeigt die Unterseite eines Druckbogens 4 im Bereich einer Ausnehmung 14, durch die ein abgesandter Lichtstrahl 25 vom Druckbogen 4 reflektiert und von einer Lesevorrichtung 13 empfangen wird. Die Auswertung des Lichtstrahls 25 erfolgt in einer nicht dargestellten Vergleichsvorichtung, welche Diffe¬ renzen errechnet, die ein Signal bilden, das zur Steuerung der Kontrolleinrichtung verwendet wird. Letztere besteht aus der Lesevorrichtung, die durch einen etwa senkrecht auf wenigstens eine die Druckbogen 4 hälftig teilen¬ de Innenseite aufgebrachten, reflektierenden Lichtstrahl 24 initiiert wird, einer den Lichtstrahl 24 wertenden Vergleichs¬ vorrichtung, in der der ungewandelte Lichtstrahl als Istwert mit einem Sollwert verglichen wird. Ein daraus errechnetes Signal an eine Steuerung unterbricht oder ändert den Produk- tionsprozess der Fadenheftmaschine. 2 shows the underside of a printed sheet 4 in the region of a recess 14, through which a emitted light beam 25 is reflected by the printed sheet 4 and received by a reading device 13. The light beam 25 is evaluated in a comparison device (not shown) which calculates differences which form a signal which is used to control the control device. The latter consists of the reading device, which is initiated by a reflecting light beam 24 applied approximately perpendicularly to at least one inner side that divides the printing sheets 4 in half, a comparison device evaluating the light beam 24, in which the unconverted light beam is compared as an actual value with a desired value becomes. A signal to a controller calculated from this interrupts or changes the production process of the thread sewing machine.

Claims

P A T E N T A N S P R Ü C H E PATENT CLAIMS
1. Verfahren zur Herstellung von aus gefalzten Druckbogen bestehenden Buchblöcken, bei wel¬ chem die unterschiedliche Druckbilder aufwei¬ senden Druckbogen nach einer bestimmten Rei¬ henfolge einzeln der Nähvorrichtung einer Fa¬ denheftmaschine zugeführt und durch wenigstens einen den Druckbogenfalz durchsetzenden Binde¬ faden aneinandergeheftet werden, dadurch ge¬ kennzeichnet, dass die Druckbogen auf dem För¬ derweg zur Nähvorrichtung an wenigstens einer der die Falzinnenkante eines Druckbogens bil¬ denden Seiten in aufgespreizter Lage an einer die Bogenart resp. die Vollständigkeit und/oder Verarbeitungs- bzw. Öffnungslage an¬ hand der Druckbilder prüfenden Kontrollein¬ richtung vorbeigeführt werden.1. A process for the production of book blocks consisting of folded printed sheets, in which the printed sheets having the different printed images are individually fed to the sewing device of a thread sewing machine in a certain sequence and are stitched together by at least one binding thread passing through the folded sheet. characterized ge that the printed sheets on the conveyor path to the sewing device on at least one of the sides forming the fold inner edge of a printed sheet in a spread position on a sheet type or. the completeness and / or processing or opening position are guided past on the basis of the control device checking the printed images.
2. Verfahren nach Anspruch 1, dadurch gekenn¬ zeichnet, dass die Druckbilder optisch er¬ fasst, anschliessend mit einem gespeicherten Referenzwert verglichen und eine daraus er¬ rechnete Differenz zur Bildung eines auf den Produktionsvorgang stoppend oder korrigierend einwirkenden Signals umgewandelt wird.2. The method according to claim 1, characterized in that the print images are recorded optically, then with a stored one The reference value is compared and a difference calculated therefrom is converted to form a signal that stops or corrects the production process.
3. Einrichtung zur Durchführung des Verfahrens nach Anspruch 1 oder 2, bestehend aus einer der Nähvorrichtung der Fadenheftmaschine vor¬ geschalteten Überführungsvorrichtung, auf wel¬ cher die aufgespreizten Druckbogen hinterein¬ ander gefördert werden, dadurch gekennzeich¬ net, dass innerhalb der die förderwirksam an¬ getriebenen Druckbogen (4) an der Falzinnen¬ kante rittlings aufnehmenden Überführungsvor¬ richtung (8) eine etwa rechtwinklig zur Bewe¬ gungsrichtung der Druckbogen (4) wirkende, einer Kontrolleinrichtung zugeordnete, opto- elektrische Lesevorrichtung (13) angeordnet ist.3. Device for carrying out the method according to claim 1 or 2, consisting of a transfer device upstream of the sewing device of the thread-stitching machine, on which the spread spread sheets are conveyed one after the other, characterized in that within which the conveying effect is effective driven printed sheet (4) on the folding inner edge astride receiving transfer device (8) is arranged approximately at right angles to the direction of movement of the printed sheet (4) and is associated with a control device, an opto-electric reading device (13).
4. Einrichtung nach Anspruch 3, dadurch gekenn¬ zeichnet, dass die Überführungsvorrichtung (8) seitlich schräg abfallende Auflageflächen (9) aufweist, die im Lesebereich der Lesevorrich¬ tung (13) unterbrochen bzw. mit einer fenster- artigen Ausnehmung (14) ausgebildet sind.4. Device according to claim 3, characterized gekenn¬ characterized in that the transfer device (8) laterally sloping bearing surfaces (9) which is interrupted in the reading area of the reading device (13) or with a window like recess (14) are formed.
5. Einrichtung nach Anspruch 3 oder 4, dadurch gekennzeichnet, dass die Lesevorrichtung (13) mit einer einen gespeicherten, veränderbaren Sollwert aufweisenden Vergleichsvorrichtung verbunden ist.5. Device according to claim 3 or 4, characterized in that the reading device (13) is connected to a comparison device having a stored, variable setpoint.
6. Einrichtung nach Anspruch 4, dadurch gekenn¬ zeichnet, dass die Vergleichsvorrichtung mit einer auf die Überführungsvorrichtung (8) bzw. die Fadenheftmaschine (1) einwirkbar ausge¬ bildeten Steuerung verbunden ist. 6. Device according to claim 4, characterized in that the comparison device is connected to a control designed to act on the transfer device (8) or the thread sewing machine (1).
EP96921858A 1995-07-24 1996-07-17 Process for producing inner books consisting of folded printed sheets Expired - Lifetime EP0782538B1 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
CH216695 1995-07-24
CH2166/95 1995-07-24
CH216695 1995-07-24
PCT/CH1996/000260 WO1997003906A1 (en) 1995-07-24 1996-07-17 Process for producing inner books consisting of folded printed sheets

Publications (2)

Publication Number Publication Date
EP0782538A1 true EP0782538A1 (en) 1997-07-09
EP0782538B1 EP0782538B1 (en) 1999-12-08

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EP96921858A Expired - Lifetime EP0782538B1 (en) 1995-07-24 1996-07-17 Process for producing inner books consisting of folded printed sheets

Country Status (5)

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US (1) US5887863A (en)
EP (1) EP0782538B1 (en)
JP (1) JP3904233B2 (en)
DE (1) DE59603854D1 (en)
WO (1) WO1997003906A1 (en)

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Also Published As

Publication number Publication date
WO1997003906A1 (en) 1997-02-06
US5887863A (en) 1999-03-30
JPH10506591A (en) 1998-06-30
JP3904233B2 (en) 2007-04-11
EP0782538B1 (en) 1999-12-08
DE59603854D1 (en) 2000-01-13

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