EP3904250B1 - Dispositif et procédé d'alimentation de produits plans à une unité de traitement - Google Patents

Dispositif et procédé d'alimentation de produits plans à une unité de traitement Download PDF

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Publication number
EP3904250B1
EP3904250B1 EP21161747.7A EP21161747A EP3904250B1 EP 3904250 B1 EP3904250 B1 EP 3904250B1 EP 21161747 A EP21161747 A EP 21161747A EP 3904250 B1 EP3904250 B1 EP 3904250B1
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EP
European Patent Office
Prior art keywords
transport
stop
designed
transport device
revolving
Prior art date
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Active
Application number
EP21161747.7A
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German (de)
English (en)
Other versions
EP3904250A1 (fr
Inventor
Andreas Vollmann
Steffen Fischer
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.)
Koenig and Bauer AG
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Koenig and Bauer AG
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Publication date
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Publication of EP3904250A1 publication Critical patent/EP3904250A1/fr
Application granted granted Critical
Publication of EP3904250B1 publication Critical patent/EP3904250B1/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
    • B65H5/00—Feeding articles separated from piles; Feeding articles to machines
    • B65H5/02—Feeding articles separated from piles; Feeding articles to machines by belts or chains, e.g. between belts or chains
    • B65H5/021—Feeding articles separated from piles; Feeding articles to machines by belts or chains, e.g. between belts or chains by belts
    • 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
    • B65H5/16—Feeding articles separated from piles; Feeding articles to machines by pusher, needles, friction, or like devices adapted to feed single articles along a surface or table
    • 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
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2404/00—Parts for transporting or guiding the handled material
    • B65H2404/20—Belts
    • B65H2404/23—Belts with auxiliary handling means
    • B65H2404/232—Blade, plate, finger
    • 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
    • B65H2511/20—Location in space
    • 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
    • B65H2513/10—Speed
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/10—Handled articles or webs
    • B65H2701/17—Nature of material
    • B65H2701/173—Metal
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2801/00—Application field
    • B65H2801/03—Image reproduction devices
    • B65H2801/21—Industrial-size printers, e.g. rotary printing press

Definitions

  • the disclosure relates to a device for feeding sheet-like goods to a processing unit, wherein the sheet-like goods are transported in a lying position in a sequential arrangement by means of a transport device.
  • the panels which are transported lying one behind the other, hit the positioning marks or stops during transport, so that the panels are forced into the desired or exact position. Finally, an optimal longitudinal alignment of the panels with respect to the transport route is necessary so that they are fed into the processing process or processing unit at the right time. Since the panels have increasingly thinner sheet thicknesses and increasingly higher production speeds are required, damage to the panel edges can often occur with the known devices.
  • the transport of the panels to the processing unit by means of friction-dependent transport means is influenced, among other things, by the condition of the transport means, the difference in speed between two transport systems, the friction coefficient of the underside of the panels, the production speed and the mass inertia of the panels.
  • the readjustment is currently carried out manually and purely visually by the operator on the control panel of a processing unit.
  • An alignment device is known in which the side edge of a sheet is detected by light barriers in order to determine its position relative to a desired printing position.
  • From the EN 10 2005 037 128 A1 is a transport system of a sheet metal printing or Sheet metal painting machine in which flat belts are used to transport the panels.
  • the EN 198 10 112 A1 relates to a device for the synchronous feeding of products fed from a pre-machine in any sequence into a rotating device that centrally grasps the products.
  • the rotating device can be moved between a receiving position and a delivery position.
  • the device comprises a transfer conveyor arranged between a feed conveyor and an infeed conveyor.
  • the transfer conveyor is driven by a drive with a slave position sensor, the speed of which can be adjusted by the interaction of the sensors of the feed conveyor and infeed conveyor.
  • the DE 23 46 407 A describes a device for regulating the supply of objects to a packaging machine.
  • the device comprises several conveyor belts, at least one of which has driver elements.
  • a sensor detects the passage of individual objects and is designed with a device for changing the conveying speed of one of the conveyor belts depending on the sensor signals.
  • the DE 20 2005 017 869 U1 discloses a single-up feeder with a transport system that has a servo drive with register control. Cams are used to align the single-up sheets conveyed via belts.
  • the US 2004/178555 A1 discloses a collection system for documents.
  • the collection system comprises a cassis in which regularly spaced sliding fingers Groups of documents are pushed in a downstream direction.
  • the documents are fed into the Cassis by various document feeders, collected between the pusher fingers and enveloped after leaving the Cassis.
  • the US 2004/080091 A1 shows a mail inserting system with a section for releasing and assembling documents.
  • the mail inserting system has a sensor device that detects the arrival of rotating pusher fingers.
  • the invention is based on the object of creating a device for feeding sheet-like goods to a processing unit, which Even at high processing speeds, the mechanical stress on the flat goods is reduced and, in particular, adaptation to changing production conditions is facilitated.
  • the advantages that can be achieved with the invention are in particular that the flat goods are fed to the processing unit with little impact.
  • a further advantage is in particular that an operator is supported in detecting a synchronization point deviation or in eliminating a synchronization point deviation or a synchronization point deviation is eliminated automatically.
  • the coating machine shown can in particular be a painting machine and/or a printing machine.
  • the coating machine is designed for the processing of flat Goods 02 in the form of panels 02.
  • panels 02 in particular metal panels
  • a transport device 01 in a transport plane
  • processing units 50 in particular printing and/or coating units
  • the transport of the flat goods 02, in particular the panels 02 takes place unshingled, in a sequential arrangement, i.e. individually in a lying position and spaced apart from one another.
  • At least one cylinder which is preferably part of a processing unit 50, can preferably have front edge alignment means, more preferably front edge stops, in particular positioning marks, for the correct register alignment of the sheets 02 transported by the transport device 01.
  • the sheets 02 can be placed in register and correctly aligned.
  • the front edge alignment means preferably front edge stops, in particular positioning marks, of a cylinder, in particular a printing cylinder
  • the transport device 01 has a first transport device 10 with a guide forming the transport plane for the sheet-like goods 02 and at least one circumferential transport stop 18.
  • the guidance can be provided by fixed guide rails, especially sliding rails, and/or by transport means 11 rotating over rear and front deflection wheels 12.
  • Transport belts 11 which rotate parallel to one another and can be arranged in pairs are particularly suitable as transport means 11.
  • the transport means 11 act in particular on the underside of a respective flat product 02 when it enters the transport area of the first transport device 10.
  • the transport means 11 transport the respective flat product 02 lying thereon at least far enough in the transport direction 06 until the at least one rotating transport stop 18 can act on its rear edge 03.
  • the at least one rotating transport stop 18 can be assigned to a belt 17 rotating over rear and front deflection wheels 19 or to a chain 17 rotating over rear and front deflection wheels 19.
  • the transport stops 18 of such pairs are each assigned to different chains 17 or belts 17.
  • the distance between the deflection wheels 12 of the transport means 11 is preferably smaller than the distance between the deflection wheels 19 of the belts 17 or chains 17.
  • the distances can also be the same.
  • the transport means 11 extend only over a partial area, in particular an inlet area of the first transport device 10, while the belts 17 or chains 17 extend over the entire length of the first transport device 10.
  • the transport means 11 grip the underside of a respective flat product 02 when it enters the transport area of the first transport device 10.
  • the transport means 11 transport the respective flat product 02 lying thereon at least far enough in the transport direction 06 until the at least one circumferential transport stop 18 grips its rear edge 03. can.
  • the guide is formed in the area of a circular path of the at least one rotating transport stop 18.
  • the transport of a respective flat product 02 is effected in particular by the at least one rotating transport stop 18 acting on the rear edge 03 of a respective flat product 02 guided by the guide in the transport plane and pushing it in the transport direction 06.
  • the at least one rotating transport stop 18 is also referred to in technical terms as a rear thrust.
  • a second transport device 20 is preferably arranged downstream of the first transport device 10 in the transport direction 06.
  • the second transport device 20 also has a guide and at least one further circumferential transport stop 28.
  • the at least one further rotating transport stop 28 is assigned to at least one belt 27 rotating over deflection wheels 29 or to a chain 27 rotating over deflection wheels 29.
  • the guide of the transport device 20 can also be formed by fixed guide rails, in particular slide rails.
  • the transport of a respective flat product 02 in the area of the second transport device 20 is effected in the same way as with the first transport device 10.
  • a respective flat product 02 is transported by the positive action of at least one circumferential transport stop 28 on the rear edge 03.
  • a further transport device 30 can be arranged upstream of the first transport device 10 in the transport direction 06.
  • the further transport device 30 preferably has circulating transport means 31, which are designed as transport belts 31. and can circulate via deflection wheels 32.
  • the further transport device 30 can be arranged downstream of a feeder or can be designed as a feeder or can be part of a feeder.
  • the respective flat product 02 is preferably placed on the front edge alignment means, preferably front edge stops, in particular positioning marks, of a cylinder. Any unsteadiness in the movement at this point would have a detrimental effect on the registration accuracy.
  • the prerequisite for a smooth transfer from the first transport device 10 to the second transport device 20 is that the respective flat product 02 of the first transport device 10 is fed by the further transport device 30 in the correct position, in particular at the right time.
  • the position or the time can be achieved by means of a synchronous angle setting between the further transport device 30 and the first transport device 10. If the further transport device 30 is part of the feeder, the synchronous angle setting takes place between the feeder and the first transport device 10.
  • a sensor 41 is assigned to the first transport device 10.
  • the sensor 41 is connected to an evaluation device.
  • the evaluation device is designed to compare the detected actual position of the rear edge 03 of the respective flat material 02 guided in the transport plane with a target position represented by the position of the at least one circumferential transport stop 18.
  • the target position can be detected by directly detecting the position of the at least one rotating transport stop 18 or a pair of transport stops 18.
  • the first transport device 10 is assigned a further sensor 42 which is designed to detect the position of the at least one transport stop 18.
  • the first sensor 41 and/or the further sensor 42 can be designed as light barriers and detect the position of a respective rear edge 03 or of the at least one transport stop 18, for example via a flank change.
  • the target position can be detected indirectly, for example using an angle encoder or an encoder.
  • the first transport device 10 preferably has a drive shaft that drives the at least one transport stop 18 in rotation, wherein the angle encoder is assigned to the drive shaft and generates signals representing the position and/or rotation of the drive shaft and thus the position of the at least one transport stop 18.
  • the first transport device 10 can also have a drive in which an encoder is integrated or which is connected to an encoder, wherein the encoder generates signals representing the position of the transport stop 18.
  • the evaluation device can be connected to the further transport device 30 arranged upstream of the first transport device 10 and can be designed to control a transport movement of the further transport device 30 depending on the result of the comparison.
  • the evaluation device can be designed to control the transport movement of the further transport device 30 by shifting the phase position of the transport movement.
  • the control of the transport movement of the further transport device 30 is preferably carried out fully automatically by the evaluation device.
  • the evaluation device is connected to a display device.
  • the display device is designed to display the result of the comparison and displays it.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Attitude Control For Articles On Conveyors (AREA)
  • Control Of Conveyors (AREA)
  • Registering Or Overturning Sheets (AREA)

Claims (9)

  1. Dispositif pour amener des produits plats (02) sous forme de panneaux à un groupe d'impression et/ou de vernissage d'une machine de revêtement dans un plan de transport, dans lequel les produits plats (02) sont transportés dans une disposition les uns derrière les autres en position couchée au moyen d'un dispositif de transport (01), dans lequel le dispositif de transport (01) présente un premier système de transport (10) avec un guidage formant le plan de transport pour les produits plats (02) et au moins une butée de transport (18) en rotation, dans lequel la butée de transport (18) agit sur le bord arrière (03) d'un produit plat (02) respectif guidé dans le plan de transport et dans lequel un capteur (41), qui est réalisé pour détecter la situation réelle du bord arrière (03) du produit plat (02) respectif guidé dans le plan de transport et est relié à un dispositif d'évaluation, est associé au premier système de transport (10), dans lequel le dispositif d'évaluation est réalisé pour comparer la situation réelle détectée à une situation théorique représentée par la situation de l'au moins une butée de transport (18) en rotation, caractérisé en ce qu'un deuxième système de transport (20) est situé en aval du premier système de transport (10) et le deuxième système de transport (20) présente au moins une autre butée de transport (28) en rotation, qui est associée à l'au moins une courroie (27) en rotation par l'intermédiaire de roues de renvoi (29) ou une chaîne (27) en rotation par l'intermédiaire de roues de renvoi (29) et le dispositif d'évaluation est réalisé pour commander un mouvement de transport d'un autre système de transport (30) par décalage de la situation de phase du mouvement de transport.
  2. Dispositif selon la revendication 1, avec un dispositif d'affichage, qui est relié au dispositif d'évaluation et est réalisé pour afficher le résultat de la comparaison et/ou qui affiche le résultat de la comparaison.
  3. Dispositif selon la revendication 1 ou 2, avec un autre système de transport (30) situé en amont du premier système de transport (10), qui est relié au dispositif d'évaluation, dans lequel le dispositif d'évaluation est réalisé pour commander un mouvement de transport de l'autre système de transport (30) en fonction du résultat de la comparaison.
  4. Dispositif selon la revendication 1, 2 ou 3, caractérisé en ce que l'autre système de transport (30) présente des moyens de transport (31) en rotation et/ou est situé en aval d'un margeur et/ou est réalisé sous la forme d'un margeur.
  5. Dispositif selon la revendication 1, 2, 3 ou 4, caractérisé en ce que le guidage formant le plan de transport est réalisé par des rails de guidage fixes et/ou par des moyens de transport (11) en rotation par l'intermédiaire de roues de renvoi (12).
  6. Dispositif selon la revendication 1, 2, 3, 4 ou 5, caractérisé en ce que l'au moins une butée de transport (18) en rotation est associée à au moins une courroie (17) en rotation par l'intermédiaire de roues de renvoi (19) ou à une chaîne (17) en rotation par l'intermédiaire de roues de renvoi (19) et le guidage est réalisé dans une zone d'une trajectoire circulaire de l'au moins une butée de transport (18) en rotation.
  7. Dispositif selon la revendication 1, 2, 3, 4, 5 ou 6, caractérisé en ce qu'un autre capteur (42), qui est réalisé pour détecter la situation de l'au moins une butée de transport (18), est associé au premier système de transport (10).
  8. Dispositif selon la revendication 1, 2, 3, 4, 5, 6 ou 7, caractérisé en ce que le premier système de transport (10) présente un arbre d'entraînement, qui entraîne l'au moins une butée de transport (18) en rotation, dans lequel un transducteur angulaire, qui produit des signaux représentant la situation de la butée de transport (18), est associé à l'arbre d'entraînement.
  9. Dispositif selon la revendication 1, 2, 3, 4, 5, 6, 7 ou 8, caractérisé en ce que le premier système de transport (10) présente un entraînement dans lequel un codeur est intégré ou qui est relié à un codeur et le codeur produit des signaux représentant la situation de la butée de transport (18).
EP21161747.7A 2020-04-30 2021-03-10 Dispositif et procédé d'alimentation de produits plans à une unité de traitement Active EP3904250B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102020111752.3A DE102020111752A1 (de) 2020-04-30 2020-04-30 Vorrichtung und Verfahren zum Zuführen von flächenförmigen Gütern zu einer Bearbeitungseinheit

Publications (2)

Publication Number Publication Date
EP3904250A1 EP3904250A1 (fr) 2021-11-03
EP3904250B1 true EP3904250B1 (fr) 2024-04-17

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Application Number Title Priority Date Filing Date
EP21161747.7A Active EP3904250B1 (fr) 2020-04-30 2021-03-10 Dispositif et procédé d'alimentation de produits plans à une unité de traitement

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EP (1) EP3904250B1 (fr)
DE (1) DE102020111752A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102021129340B3 (de) * 2021-11-11 2022-10-20 Koenig & Bauer Ag Produktionslinie zur Bearbeitung von Blechtafeln
DE102021129339B3 (de) * 2021-11-11 2022-11-03 Koenig & Bauer Ag Produktionslinie zur Bearbeitung von Blechtafeln

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT967479B (it) 1972-09-15 1974-02-28 Cavanna M Dispositivo di regolazione dell ali mentazione di prodotti ad una macchina confezionatrice
US6135446A (en) 1996-10-22 2000-10-24 Oce Printing Systems Gmbh Aligning device
DE19810112A1 (de) 1998-03-09 1999-09-16 Kolbus Gmbh & Co Kg Vorrichtung zum taktsynchronen Einschleusen von Büchern in eine Drehvorrichtung
US6644660B2 (en) * 2001-10-26 2003-11-11 Pitney Bowes Inc. Dynamic pitch correction for an output inserter subsystem
US6746007B2 (en) * 2002-10-25 2004-06-08 Pitney Bowes Inc. Method and apparatus for controlling enclosure material feeding in a mail inserting system
US7232122B2 (en) * 2003-03-14 2007-06-19 Pitney Bowes Inc. Jam detection method and system for an inserter
DE102005037128B4 (de) 2005-08-06 2009-04-23 LTG Mailänder GmbH & Co. KG Transportsystem einer Blechdruck- oder Blechlackiermaschine
DE202005017869U1 (de) 2005-11-16 2006-07-13 Rosas Wolf, David Einzelnutzen Anleger zum Prägen von Faltschachteln
DE102007031115B4 (de) 2007-06-28 2009-04-23 Kba-Metalprint Gmbh Vorrichtung zum positionsgenauen Zuführen von tafelförmigen Gütern sowie entsprechendes Verfahren
DE102012211783A1 (de) 2012-07-06 2014-01-09 Kba-Metalprint Gmbh Fördervorrichtung und ein Verfahren zum Fördern von Bedruckstoffbogen

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DE102020111752A1 (de) 2021-11-04
EP3904250A1 (fr) 2021-11-03

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