EP0095044B1 - Dispositif de contrôle de l'alignement latéral d'une feuille et d'interruption de l'alimentation d'une feuille en désalignement - Google Patents

Dispositif de contrôle de l'alignement latéral d'une feuille et d'interruption de l'alimentation d'une feuille en désalignement Download PDF

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Publication number
EP0095044B1
EP0095044B1 EP83104010A EP83104010A EP0095044B1 EP 0095044 B1 EP0095044 B1 EP 0095044B1 EP 83104010 A EP83104010 A EP 83104010A EP 83104010 A EP83104010 A EP 83104010A EP 0095044 B1 EP0095044 B1 EP 0095044B1
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EP
European Patent Office
Prior art keywords
sheet
sensor
pulling
rotary printing
printing machine
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
EP83104010A
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German (de)
English (en)
Other versions
EP0095044A1 (fr
Inventor
Anton Rodi
Dieter Uhrig
Karlheinz Krestyn
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Heidelberger Druckmaschinen AG
Original Assignee
Heidelberger Druckmaschinen AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6164461&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0095044(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Heidelberger Druckmaschinen AG filed Critical Heidelberger Druckmaschinen AG
Priority to AT83104010T priority Critical patent/ATE26099T1/de
Publication of EP0095044A1 publication Critical patent/EP0095044A1/fr
Application granted granted Critical
Publication of EP0095044B1 publication Critical patent/EP0095044B1/fr
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • 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
    • B65H7/10—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 responsive to incorrect side register

Definitions

  • the invention is based on a device for sheet-fed rotary printing machines, the drawing marks of which are coupled to the machine drive, give each incoming sheet a defined drawing movement, and which is equipped with a sensor arrangement which monitors the position of the lateral edges of the incoming sheets.
  • a device of the type mentioned is such.
  • Draw marks on sheet-fed printing machines have the task of precisely aligning the sheet arriving from the feeder by pulling from the side. This alignment has to be carried out with extreme precision, since misalignments can cause color differences between the specimens.
  • Sheet printing machines with drawing marks are known from the document DE-OS3011 626 Al.
  • the sheet to be aligned is pressed onto the suction openings in the sliding plate using a swab roller.
  • the vacuum supporting the acceleration process can have a temporally defined effect, so that the high static friction when the sheet is retired is overcome and the sheet is prevented from being compressed at the stop by switching off the suction air.
  • a device is described which achieves the desired system accuracy without using drawing marks.
  • a measuring head with two photo sensors is attached to the side of the feed plate, and the determined side difference serves as a guideline for the lateral displacement of the gripper drum.
  • the lateral displacement of the gripper drum is mechanically and technically difficult and does not always lead to a system that is tailored to the needs.
  • the use of two photo sensors is very complex.
  • DE-A 30 15 103 describes a rotary printing machine with a sheet feeder and at least two sheet stacks arranged one behind the other in a sheet delivery in the sheet travel direction, onto which sheets fed by a conveyor device can be deposited.
  • the alignment of a sheet to be printed on the system table is detected by means of two position-fixing elements and a double sheet monitoring element. At least three elements are therefore required for monitoring.
  • only data on incorrect positions or double sheets are recorded and these are passed on to an evaluation circuit.
  • the object of the invention is to use simple means to monitor both the correct drawing end position and the drawing process, and to shorten the set-up times and downtimes of the sheet-fed rotary printing machines.
  • a sensor is arranged on at least the side edge of the feeder assigned to the direction of pull, which sensor supplies two signals which are distinguishable from one another and which are characteristic of the desired position of the sheet before and after pulling, with the sensor a digital control electronics is coupled, which queries the state of the sensor before and after pulling, whether the not yet drawn sheet is outside and the already drawn sheet is within the response range of the sensor, and triggers a corresponding error message if the sensor at least one of the does not provide characteristic signals for the target positions of the sheet.
  • FR-A-2151 357 describes a device for photoelectrically checking the side alignment of sheets in the system of a sheet-fed printing machine, each with two, comprising a light-sensitive receiver and a light source, mounted on a common support and acting on a warning or machine shutdown device Reflex measuring device described.
  • the carrier is arranged to be adjustable about an axis perpendicular to the plane of the sheet running. The axis intersects the target line and the connecting line of the two reflection points of the reflex measuring device in the middle.
  • This device registers both the arches inside and outside the stop, taking into account a desired minimum deviation.
  • two photocells are used for this device, and the sheets are not registered until they have been pulled. Thus only the end position of the arch is registered.
  • the targeted sheet travel, the drawing process and the correct drawing end position are monitored.
  • One embodiment of the invention is that the sensor is arranged so that the sheet before the pulling movement is initially outside, but at the end of the pulling movement of the pulling mark within the response range of the sensor, and that a corresponding message is given by the control electronics.
  • Another embodiment of the invention is that an error message from the control electronics occurs if a sheet is in the response range of the sensor before the drawing process.
  • control electronics on the signal sequence supplied by the sensors in the response range of which the sheet assumes its two target positions before and after drawing, recognizes the assignment of one of the sensors to the direction of movement of the drawing marks in the event of a change in drawing direction and thereafter only issues an error message due to signal sequences from this sensor.
  • the sensors can either consist of reflex sensors or light barriers or reflex light barriers. They can also be capacitive or pneumatic sensors.
  • control electronics are coupled to a light-emitting diode display field with the respective operating states and light-emitting diodes representing the fault displays.
  • the digital control electronics is designed in such a way that it displays the sensor signals via the target position of the sheet via a buffer and a read-only memory in the LED display field and triggers an alarm, optically or acoustically, if the sheet is incorrectly positioned, or influences the machine control.
  • Another advantage of the invention is that the sensors are independent of the direction of drawing, i. H. are functionally and structurally designed so that they are equally suitable for both directions.
  • the device according to the invention thus enables better monitoring and alignment of the sheet feed.
  • the automatic detection of the drawing direction uses the sensors to change the drawing direction without additional work. Without this automatic change in the direction of pull, it would be necessary to switch the control or remove the unused sensor from the work area or to convert the sensor to the other side.
  • the sheets 8 to be printed are fed from a sheet feeder 12 via the feed table 2 to the feed drum 13 of a first printing unit 14.
  • the printing unit 14 comprises a plate cylinder 21, blanket cylinder 16 and a printing cylinder 15.
  • the transfer takes place via transport cylinders 17 and a transfer drum 18 between them to a further printing unit 19.
  • the printing unit 19 in turn comprises one Plate cylinder 21, blanket cylinder 16 and an impression cylinder 22.
  • the sheet is deposited on a delivery stack 4 with the aid of a chain sheet delivery arm 20.
  • a slot initiator 23 consisting of an interrogation switch 10 and an interrogation disk 11, is coupled to the arc control elements designed as reflex sensors 7 via control electronics.
  • the query disc 11 of the slot initiator 23 is mounted on a single-speed shaft, not shown.
  • the interrogation disk 11, which is controlled by the machine cycle, can take up two interrogation times, namely a and b.
  • the query disc 11 of the slot initiator 23 shown in FIG. 3 is at the query time a. This means that the sheet 8 already abuts the front marks 6, as shown in FIG. 2, but the sheet 8 has not yet been drawn from the pull mark 9 to the side mark 24.
  • the sheet 8 is now drawn from the drawing mark 9, for example to the left, to the side mark 24.
  • the query disk 11 of the slot initiator 23 reaches the query time b, as shown in FIG. 5.
  • the sheet 8 is in the response area of the reflex button 7 and on the side mark 24 of the drawing mark 9, as shown in FIG.
  • FIG. 6 shows the schematic sequence of the drawing mark control.
  • the control electronics When the mains supply is switched on and the sheet-fed printing press 1 is running, the control electronics, together with the two reflex buttons 7, recognizes on the basis of the signal sequence of the query switch 10 whether the pulling process has ended. In accordance with the signal sequence stored in the control electronics, the control electronics automatically decide the direction of pull, either «right or « left ceremoni
  • control electronics issues an error message which is displayed in the LED display field 33.
  • control electronics monitor whether the pulling direction has changed due to the signal sequence at the reflex buttons 7. If the change is not made, there is clearly a pulling error, which is also shown in the LED display field 33.
  • control electronics automatically monitor the pulling process “right” and the display in the LED display field 33 appears again.
  • a machine cycle 25 by which the time period for the acquisition of the actual values by the comparison device and the forwarding of the signals to the LED display field 33 is controlled, also reflex sensors 26 and 27 are shown, which are amplified with the 28 Inputs of the buffer 29 are connected, the inputs and outputs of which are symbolically combined, and the outputs of the buffer 29 lead to the inputs of a read-only memory 30, the outputs of which in part lead to a light-emitting diode display field 33 and to an acoustic error reporting device 32, which is not shown in detail , and the other part are fed back to the inputs of the buffer 29.
  • the control electronics are designed so that they query the state of the reflex sensors 26, 27 twice during a machine cycle 25.
  • the first query time is before the drawing process.
  • the state of the reflex sensors 26, 27 is passed on via the amplifier 28 to the buffer store 29, which forwards this information into an EPROM, a programmable read-only memory 30.
  • the read-only memory 30 is programmed so that it still waits for the status message of the second query, which consists of whether or not the sheet has reached the characteristic target position after being drawn.
  • the read-only memory 30 If the read-only memory 30 has stored all the information required for a machine cycle 25, it outputs digital values according to its programming to the light-emitting diode display field 33, which reproduces the signal sequence of the respective operating state, or to the error reporting device 32, which consist of acoustic signal transmitters.
  • the light-emitting diode display field 33 in FIG. 8 consists of the display elements 34 to 45, which light up accordingly in the respective operating states.
  • the display elements 34 to 45 are shown in three rows, namely the three light-emitting diodes 34, 35, 36 are in one row.
  • the light-emitting diodes 34, 35 are yellow-lighted display elements for the right and left reflex light scanners.
  • the yellow light-emitting diode 36 indicates the state of the slot initiator 23.
  • the respective drawing processes are indicated by the informative illuminated symbol fields 40, 41, 42, 43, 44, 45.
  • the yellow symbol illuminated fields 40, 43 correspond to the lateral arrangement.
  • the symbol illuminated fields 44 and 41 light up green for the right and left side, respectively.
  • the symbol illuminated fields 42 and 45 signal the error in red.
  • the green light-emitting diodes 37, 39 indicate whether the sheet has come into contact correctly, and the incorrect installation signals the light-emitting diode 38.

Landscapes

  • Controlling Sheets Or Webs (AREA)
  • Inking, Control Or Cleaning Of Printing Machines (AREA)
  • Registering Or Overturning Sheets (AREA)
  • Sheets, Magazines, And Separation Thereof (AREA)
  • Ticket-Dispensing Machines (AREA)
  • Controlling Rewinding, Feeding, Winding, Or Abnormalities Of Webs (AREA)
  • Push-Button Switches (AREA)

Claims (6)

1. Dispositif pour machines rotatives d'impression de feuilles, dont des repères de tirage (9), reliés avec l'entraînement de la machine, transmettent à chaque feuille entrante (8) un mouvement défini de tirage, et qui est équipé d'un ensemble de capteurs contrôlant la position des bords latéraux de la feuille entrante (8), caractérisé en ce que, sur au moins le bord latéral du margeur associé à la direction de tirage, il est prévu un capteur (7), qui produit deux signaux pouvant être différenciés l'un de l'autre et qui sont caractéristiques de la position de consigne de la feuille avant et après le tirage, en ce que le capteur (7) est relié à un système électronique de commande numérique qui examine l'état du capteur (7) avant et après le tirage pour déterminer si la feuille encore non tirée se trouve à l'extérieur de, et la feuille déjà tirée, à l'intérieur de la zone de réaction du capteur (7), et déclenche une signalisation d'erreur correspondante lorsque le capteur (7) ne produit pas au moins un signal caractéristique des positions de consigne de la feuille.
2. Dispositif pour machines rotatives d'impression de feuilles selon la revendication 1, caractérisé en ce que le capteur (7) est indépendant de la direction de tirage, c'est-à-dire qu'il peut être utilisé aussi bien sur le côté droit que sur le côté gauche de la table de margeur et qu'il convient par conséquent pour les deux directions de tirage, et le système électronique de commande numérique détecte, à partir de la séquence de signaux fournis par les capteurs (7) et dans la zone de réaction desquels la feuille occupe ses deux positions de consigne avant et après le tirage, automatiquement la relation entre ce capteur (7) et la direction de déplacement des repères de tirage dans le cas d'un changement de direction de tirage et produit ensuite seulement encore une signalisation d'erreur sur la base des séquences de signaux de ce capteur.
3. Dispositif pour machines rotatives d'impression de feuilles selon l'une des revendications 1 et 2, caractérisé en ce que le système électronique de commande numérique est relié à un panneau indicateur à diodes lumineuses (33) qui reproduisent les conditions correspondantes de fonctionnement et fournissent les indications d'erreurs.
4. Dispositif pour machines rotatives d'impression de feuilles selon l'une des revendications précédentes 1 à 3, caractérisé en ce que le capteur (7) est soit un palpeur Réflex (26, 27) soit un relais photoélectrique, soit un relais à réflexion de lumière.
5. Dispositif pour machines rotatives d'impression de feuilles selon l'une des revendications précédentes 1 à 4, caractérisé en ce que le capteur (7) est une sonde de mesure capacitive ou pneumatique.
6. Dispositif pour machines rotatives d'impression de feuilles selon l'une des revendications précédentes 1 à 5, caractérisé en ce que le système électronique de commande numérique est agencé de telle sorte qu'il saisisse les signaux produits par les capteurs (7) en relation avec la position de consigne de la feuille, par l'intermédiaire d'une mémoire intermédiaire (29) et d'une mémoire fixe (30), en vue d'une indication sur le panneau d'affichage à diodes lumineuses (33) ou bien, dans le cas de position erronée éventuelle de la feuille, il déclenche une alarme optique ou acoustique et/ou il agit sur la commande de la machine.
EP83104010A 1982-05-26 1983-04-23 Dispositif de contrôle de l'alignement latéral d'une feuille et d'interruption de l'alimentation d'une feuille en désalignement Expired EP0095044B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT83104010T ATE26099T1 (de) 1982-05-26 1983-04-23 Vorrichtung zur kontrolle der seitlichen bogenanlage sowie zur unterbrechung der bogenzufuehrung bei fehlerhafter seitlicher bogenanlage.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3219653A DE3219653C1 (de) 1982-05-26 1982-05-26 Vorrichtung zur Kontrolle der seitlichen Bogenanlage sowie zur Unterbrechung der Bogenzufuehrung bei fehlerhafter seitlicher Bogenanlage
DE3219653 1982-05-26

Publications (2)

Publication Number Publication Date
EP0095044A1 EP0095044A1 (fr) 1983-11-30
EP0095044B1 true EP0095044B1 (fr) 1987-03-25

Family

ID=6164461

Family Applications (1)

Application Number Title Priority Date Filing Date
EP83104010A Expired EP0095044B1 (fr) 1982-05-26 1983-04-23 Dispositif de contrôle de l'alignement latéral d'une feuille et d'interruption de l'alimentation d'une feuille en désalignement

Country Status (8)

Country Link
EP (1) EP0095044B1 (fr)
JP (1) JPS595546U (fr)
AT (1) ATE26099T1 (fr)
CA (1) CA1224966A (fr)
DE (1) DE3219653C1 (fr)
ES (1) ES522299A0 (fr)
FR (1) FR2527577B1 (fr)
IT (1) IT1194250B (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0718662Y2 (ja) * 1989-07-18 1995-05-01 株式会社小森コーポレーション フィーダにおける枚葉紙パイルの端面位置検出センサ
DE4001120C2 (de) * 1990-01-17 1994-05-26 Heidelberger Druckmasch Ag Vorrichtung zur Regelung der Bogenankunft bei bogenverarbeitenden Maschinen, insbesondere Druckmaschinen
DE102005019617A1 (de) * 2004-12-22 2006-07-06 Man Roland Druckmaschinen Ag Bogenverarbeitende Vorrichtung, insbesondere Bogendruckmaschine
JP6858010B2 (ja) * 2016-12-09 2021-04-14 株式会社東芝 後処理装置及び制御方法

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE7132298U (de) * 1971-12-16 Augsburg Nuernberg Ag Einrichtung zur lichtelektrischen Konrolle der Seitenausrichtung von Bogen in der Anlage einer Bogendruckmaschine
FR921311A (fr) * 1946-02-05 1947-05-05 Machine à imprimer ou machine similaire
DD98085A1 (fr) * 1971-08-24 1973-06-12
DD98083A1 (fr) * 1972-06-27 1973-06-12
DE2460747A1 (de) * 1974-12-21 1976-07-01 Maschf Augsburg Nuernberg Ag Vorrichtung zum passergerechten anlegen von bogen in bogenrotationsdruckmaschinen
DE2520232A1 (de) * 1975-05-07 1976-11-18 Wupa Maschf Gmbh & Co Vorrichtung zur uebergabe von bogenmaterial an eine bogenverarbeitende maschine
JPS54104166A (en) * 1978-02-02 1979-08-16 Dainippon Printing Co Ltd Needle draw fault detector of paper piece printing machine
DE3011626A1 (de) * 1980-03-26 1981-10-01 M.A.N.- Roland Druckmaschinen AG, 6050 Offenbach Vorrichtung zum seitlichen ausrichten von selbsttaetig zugefuehrten bogen an druckmaschinen
DE3015103A1 (de) * 1980-04-19 1981-10-22 M.A.N.- Roland Druckmaschinen AG, 6050 Offenbach Rotationsdruckmaschine mit mindestens zwei in bogelaufrichtung angeordneten bogenstapeln
FR2512743B1 (fr) * 1981-09-17 1986-03-21 Draperi Christian Machines offset feuilles avec rectifications et marge pneumatiques et electroniques, ainsi que disposition speciale des cylindres permettant le transfert des feuilles impression entierement terminee

Also Published As

Publication number Publication date
FR2527577B1 (fr) 1987-02-06
ES8402794A1 (es) 1984-02-01
DE3219653C1 (de) 1984-01-26
FR2527577A1 (fr) 1983-12-02
JPS595546U (ja) 1984-01-13
JPH0442280Y2 (fr) 1992-10-06
EP0095044A1 (fr) 1983-11-30
IT1194250B (it) 1988-09-14
CA1224966A (fr) 1987-08-04
ES522299A0 (es) 1984-02-01
ATE26099T1 (de) 1987-04-15
IT8321274A0 (it) 1983-05-25

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