EP0752310A2 - Margeur pour des imprimeuses et des machines de lacquage de tÔles - Google Patents

Margeur pour des imprimeuses et des machines de lacquage de tÔles Download PDF

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Publication number
EP0752310A2
EP0752310A2 EP95119014A EP95119014A EP0752310A2 EP 0752310 A2 EP0752310 A2 EP 0752310A2 EP 95119014 A EP95119014 A EP 95119014A EP 95119014 A EP95119014 A EP 95119014A EP 0752310 A2 EP0752310 A2 EP 0752310A2
Authority
EP
European Patent Office
Prior art keywords
sheet
movement
metal sheet
path
metal
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
EP95119014A
Other languages
German (de)
English (en)
Other versions
EP0752310A3 (fr
EP0752310B2 (fr
EP0752310B1 (fr
Inventor
Otto Kunzi
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.)
Individual
Original Assignee
Individual
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Filing date
Publication date
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6536486&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0752310(A2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Individual filed Critical Individual
Publication of EP0752310A2 publication Critical patent/EP0752310A2/fr
Publication of EP0752310A3 publication Critical patent/EP0752310A3/fr
Application granted granted Critical
Publication of EP0752310B1 publication Critical patent/EP0752310B1/fr
Publication of EP0752310B2 publication Critical patent/EP0752310B2/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H9/00—Registering, e.g. orientating, articles; Devices therefor
    • B65H9/10—Pusher and like movable registers; Pusher or gripper devices which move articles into registered position
    • B65H9/101—Pusher and like movable registers; Pusher or gripper devices which move articles into registered position acting on the edge of the article
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H9/00—Registering, e.g. orientating, articles; Devices therefor
    • B65H9/08—Holding devices, e.g. finger, needle, suction, for retaining articles in registered position
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H9/00—Registering, e.g. orientating, articles; Devices therefor
    • B65H9/10—Pusher and like movable registers; Pusher or gripper devices which move articles into registered position
    • B65H9/103—Pusher and like movable registers; Pusher or gripper devices which move articles into registered position acting by friction or suction on the article for pushing or pulling it into registered position, e.g. against a stop
    • B65H9/105—Pusher and like movable registers; Pusher or gripper devices which move articles into registered position acting by friction or suction on the article for pushing or pulling it into registered position, e.g. against a stop using suction means

Definitions

  • Sheet metal printing machines and sheet metal coating machines are used for printing or varnishing metal sheets, from which after printing and / or varnishing, cans for packaging purposes, lids for these cans or for glasses, closures for bottles or similar articles made from thin sheet metal are produced. Since the metal sheets are generally printed in multiple colors, they have to be fed to the printing press within very narrow tolerances in order to avoid an offset in the longitudinal and / or transverse direction of the individual color applications. Since a single sheet of metal usually comprises several blanks for the intended sheet metal articles and at least two narrow area strips in the area of a later solder or weld seam must remain free of paints and varnish within a blank, the varnish application must also be positioned very precisely.
  • a machine for the metal sheets is arranged on the inlet side of the machine. It has two stops, which are arranged at a certain mutual distance on the first drum of the machine in question and rotate with it.
  • the metal sheets are fed to this first machine drum by means of a feed device which is formed, for example, by a belt conveyor. Since this feed device would not ensure an exact placement on the stops of the machine drum, a pressing device is provided as a further part of the contact device, which is guided parallel to the path of movement of the sheet metal relative to the stops and which is driven by a power drive in the direction of the stops away from them is driven.
  • the drive speed of the pressing device is greater than the escape speed of the stops on the machine drum.
  • the pressing device has two pressing members, which form-fit against the rear edge of the supplied sheet metal plate and push the sheet metal plate in front of it - and finally press against the stops on the machine drum.
  • These pressing members are each connected to the pressing device by means of a resilient force transmission member, so that the metal sheets are always pressed against the stops with the same pressing force, which is independent of the force of the drive of the pressing device.
  • the application of the pressure members to the metal sheet can also be referred to as coupling and the pressure members themselves can accordingly be referred to as coupling members.
  • the sheet metal sheets made of sheet steel or light metal sheet are manufactured with ever smaller wall thicknesses and processed into sheet metal articles.
  • the thinner the metal sheets the greater the risk that the metal sheets will be arched up by the pressing force acting on the rear edge of the metal sheets and that the edges may still be pressed in. In any case, this impairs the accuracy of the application.
  • the object is achieved to avoid the disadvantages of the conventional application devices and in particular to reduce or eliminate the risk that the metal sheets bulge out during application and their edges may bulge.
  • an adhesive element is used as a coupling member for coupling the supplied sheet metal sheet to the pressing device, which is arranged in the vicinity of the stops of the machine drum and that a lifting device is used to bring the sheet metal sheet normal to the surface thereof and to couple it only non-positively, the pressing force near the front edge of the sheet is transferred to it, so that the distance between the force introduction point and the force absorption point at the stops is so small that the risk of kinking or bulging of the sheet is reduced for this reason alone.
  • the metal sheet is held in place by the adhesive element, i.e. clamped so that the risk of buckling is further reduced to a considerable extent.
  • the coupling member is coupled to the front edge of the metal sheet, it is no longer necessary to adjust the position of the coupling member to the position of the rear edge of the metal sheet when changing the length of the metal sheets.
  • the loads on the metal sheet in the area of the coupling elements are reduced by doubling the number of coupling elements. It also improves the even placement of the sheet on the stops, because now two coupling links symmetrical to the center line of the movement path act on the metal sheet. This makes it possible to evenly apply and align such metal sheets on the stops in which the front edge is initially not aligned at right angles to the direction of movement due to dimensional and shape deviations within the scope of the manufacturing tolerances or due to an inaccurate feeding.
  • An embodiment according to claim 5 facilitates precise guidance of the coupling element and, in the presence of two coupling elements, simplifies their guidance. A similar effect is achieved by an embodiment according to claim 6.
  • An embodiment according to claim 7 creates a relatively simple and inexpensive force transmission member, the force effect of which can also be set relatively easily. The same applies to an embodiment according to claim 8.
  • the adjustment to the side edge of the metal sheets facing it also does not apply to the secondary alignment element if the width thereof changes.
  • the application device 10 shown in FIG. 1 and FIG. 2 serves to produce a sheet metal plate 11 of generally rectangular cut with the front edge 12 at two stops 13 of a sheet metal plate printing machine or one Create a sheet metal painting machine. These stops 13 are arranged on a drum of the machine in question and rotate with it.
  • the sheet metal plate 11 is fed from a feed device, not shown, on a flat movement path and is applied to the stops 13 by means of the application device 10.
  • the speed of approach of the metal sheet 11 is greater than the speed of escape of the stops 13.
  • This speed of flight of the stops 13 and the resulting absolute speed of approach of the sheet 11 is considered in the following in the manner of a snapshot in which the stops 13 are at rest and in which Sheet 11 and in the application device 10 no longer its absolute speed but only its relative speed and relative movement with respect to the stops 13 is considered.
  • the application device 10 has a pressure device 14 and an alignment device 15 as main assemblies.
  • the pressing device 14 serves to press the sheet metal plate 11 against the stops 13.
  • the aligning device 15 serves to laterally align the sheet metal plate 11 so that its center line in the direction of movement lies exactly on the desired line.
  • the alignment device 15 has a primary alignment member 16 and a secondary alignment member 17, which interact with the side edge 18 on the left in the direction of movement or with the side edge 19 of the metal sheet 11 on the right.
  • the pressing device 14 is guided to be movable parallel to the movement path of the sheet metal plate 11 by means of a guide, not shown. It is moved in the direction of the stops 13 and away from them by a drive 21 which is symbolically indicated in FIG. 1 and FIG. 2 only by a double arrow.
  • the pressing device 14 has two coupling members for coupling to the metal sheet 11, both of which are suction cups 22 and 23 are trained. Instead of the suction cups, the coupling members can also be formed by electromagnets.
  • Each of the suction cups 22 and 23 is connected to a lifting device 24, expediently in the form of a pneumatic piston drive, both of which are arranged on a common carrier 25.
  • This carrier 25 is movably guided on a guide 26 of the pressing device 14 parallel to the path of movement of the sheet metal plate 11, which is illustrated in FIG. 1 by the double arrow 27.
  • two helical springs 28 and 29 act as a flexible force transmission member, by means of which a certain adjustable pressing force is exerted on the metal plate 11 after the front edge 12 of the metal plate 11 has made contact with the stops 13.
  • the pressing device 14 is otherwise designed and arranged so that when coupling to the sheet 11 their coupling members 22 and 23 are as far as possible in the vicinity of the front edge 12 of the sheet 11 and thus also in the vicinity of the connecting line of the stops 13.
  • the primary alignment member 16 is connected to a positioning device 31.
  • the aligning member 16 is guided in the direction of movement of the sheet metal plate 11 so that it cannot move and can be moved transversely to the direction of movement of the sheet metal plate 11 by means of guide elements (not shown).
  • the positioning device 31 has two mutually cooperating stop parts 32 and 33.
  • One stop part 32 is rigidly connected to the alignment member 16.
  • the other stop part 33 is designed to be adjustable to a predetermined distance relative to the movement path of the metal sheet 11.
  • the positioning device 31 also has a double-acting power drive 34 with two specific end positions. It is connected to the alignment member 16 via a resilient force transmission member 35.
  • the drive 34 pulls the alignment member 16 back into a standby position, in which the alignment member 16 is outside the path of movement of the sheet metal plate 11 so that it can be fed to the application device 10 unhindered.
  • the power drive 34 moves the alignment member 16 in the direction of the path of movement of the metal sheet 11 via the power transmission member 35 until the two stop parts 32 and 33 meet.
  • the alignment member 16 is thus positioned in its operating position, in which it is located exactly at the desired position of the left side edge 18 of the metal sheet 11. If the sheet metal plate 11 has been fed to the application device 10 on a movement path which is located closer to the positioning device 31 beyond the set point, the sheet metal plate 11 is laterally displaced from the alignment member 16 to the set point as soon as the drive 34 is switched on.
  • the secondary alignment member 17 is also connected to a positioning device 36.
  • the alignment member 17 is also guided by means of a guide, not shown, in the direction of movement of the sheet metal plate 11 so that it cannot move and can be moved transversely thereto.
  • the positioning device 36 has a double-acting power drive 37 with two specific end positions. It is connected to the alignment member 17 via a resilient force transmission member 38.
  • the positioning device 36 has no stop parts for the alignment member 17.
  • the power drive 37 is configured within the positioning device 36 in a certain range in the direction of the movement path of the sheet metal plate 11 and away from it, so that the force transmission member 38 can be set to a specific pressing force with which it is applied to one in the application device 10 located sheet metal plate 11 acts. In any case, this force of the force transmission element 38 is smaller than the force of the force transmission element 35 of the positioning device 31.
  • the drive 37 pulls the alignment member 17 back into a standby position, in which it is located outside the path of movement of the metal sheet 11.
  • the drive presses the alignment member 17 into its operating position, in which it rests on the right side edge 19 of the sheet metal plate 11 located in the application device. If the sheet 11 has been fed to the application device 16 on a movement path in which its right side edge 19 is located closer to the positioning device 36 beyond the desired location, the sheet 11 is laterally displaced by the aligning member 17 until its left outer edge 18 on the in its operating position Alignment member 16 is present.
  • Modified embodiments of the application device are explained below with reference to FIGS. 3-5.
  • the modification relates to the type and arrangement of the alignment device for the lateral alignment of the sheet metal plate 11.
  • the pressure device used here is largely the same as the pressure device 14, which is why reference is made in so far to the relevant explanations with reference to FIGS. 1 and 2.
  • parts of the modified alignment devices are identical or at least similar to the corresponding parts of the alignment device 15, reference is also made to the above explanations.
  • the primary alignment member 41 and its positioning device 42 are designed and arranged in the same way as the alignment member 16 and the positioning device 31 (FIG. 2).
  • the pressing device 14 as soon as the coupling members 22 and 23 are coupled to the metal sheet 11.
  • These coupling members in the form of the suction cups 22 and 23 are each connected to the carrier 25 via a lifting device.
  • the guide 26 of the carrier 25 is designed so that it has a relative movement of the carrier 25 relative to the pressing device not only allows parallel to the path of movement of the sheet metal plate 11 but also transversely thereto.
  • the resilient transmission members 28 and 29 are also designed and arranged so that they allow a transverse movement of the carrier 25.
  • This secondary alignment member 43 is connected to the positioning device 44, which is largely identical to the positioning device 36 (FIG. 2).
  • the positioning device 44 is rigidly connected to the pressing device 14 by means of a bracket 45, so that it takes part in its relative movement when the sheet metal plate 11 is pressed against the stops 13 in both directions.
  • the drive 46 and the resilient force transmission member 47 are arranged and designed such that, in one operating state of the drive 46, the alignment member 43 is pulled to a certain extent laterally away from the primary alignment member 41 from its rest position and that it is in the other operating state of the Drive 46, in the absence of a sheet metal plate 11, is displaced by approximately the same amount beyond its rest position in the direction of the primary alignment member 41.
  • This ensures that a sheet metal plate 11 which is possibly displaced to the right relative to its desired position is displaced against the primary aligning member 41 which is in its operating position.
  • the secondary aligning member 43 absorbs the lateral displacement movement of the sheet metal plate 11, which is triggered by the primary aligning member 41 and its positioning device 42.
  • the primary alignment member 51 and its positioning device 52 are like the alignment member 41 or the positioning device 42 formed and arranged (Fig. 3).
  • the coupling members 22 and 23 on the carrier 25 of the pressing device 14 in turn serve as secondary alignment members 53.
  • the positioning device 54 is formed by the flexible force transmission member 55, which is supported on a holder 56 which is rigidly connected to the pressing device 14 by means of the bracket 57.
  • the sheet metal plate 11 is fed laterally offset in relation to its desired position in the direction of the primary alignment member 51 and is then shifted into its desired position by the positioning device 52, this movement being intercepted by the positioning device 54 and its force transmission member 55 becomes.
  • the primary alignment member 61 is immovably connected to a holder 62, which in turn is arranged virtually stationary. This means that although it can be set to a different width of the metal sheets 11, it does not make any movements during the operation of the application device 60.
  • the secondary alignment member 63 and its positioning device 64 are designed in the same way as the alignment member 43 and its positioning device 44.
  • the sheet metal plate 11 is displaced to the right relative to its desired position and is displaced from the secondary alignment member 63 and its positioning device 64 until it abuts the primary alignment member 61.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Registering Or Overturning Sheets (AREA)
EP95119014A 1994-12-21 1995-12-02 Margeur pour des imprimeuses et des machines de lacquage de tôles Expired - Lifetime EP0752310B2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4445638A DE4445638A1 (de) 1994-12-21 1994-12-21 Anlegeeinrichtung für Blechtafel-Druckmaschinen und Blechtafel-Lackiermaschinen
DE4445638 1994-12-21

Publications (4)

Publication Number Publication Date
EP0752310A2 true EP0752310A2 (fr) 1997-01-08
EP0752310A3 EP0752310A3 (fr) 1997-09-10
EP0752310B1 EP0752310B1 (fr) 2000-03-22
EP0752310B2 EP0752310B2 (fr) 2004-01-07

Family

ID=6536486

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95119014A Expired - Lifetime EP0752310B2 (fr) 1994-12-21 1995-12-02 Margeur pour des imprimeuses et des machines de lacquage de tôles

Country Status (2)

Country Link
EP (1) EP0752310B2 (fr)
DE (2) DE4445638A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002042076A1 (fr) * 2000-11-22 2002-05-30 Bauer + Kunzi Gesellschaft Für Drucktechnik Mbh Systeme de guidage pour machines d'impression de feuilles de tole et machines de laquage de feuilles de tole
EP2921441A1 (fr) * 2014-03-18 2015-09-23 Crabtree Of Gateshead Limited Appareil de manipulation de feuilles pour appareil de traitement de feuille

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1297954B1 (fr) * 2001-09-26 2008-11-12 FUJIFILM Corporation Dispositif de positionnement d'une feuille et dispositif pour l' enregistrement d'une image
DE102005037128B4 (de) * 2005-08-06 2009-04-23 LTG Mailänder GmbH & Co. KG Transportsystem einer Blechdruck- oder Blechlackiermaschine
DE102007031848A1 (de) * 2007-07-09 2009-01-15 Heidelberger Druckmaschinen Ag Bogenstanz- und -prägemaschine und Verfahren zur Bogenausrichtung
CN105383158B (zh) * 2015-12-25 2018-01-30 江苏华宇印涂设备集团有限公司 印刷系统
DE102018130149B4 (de) * 2018-11-28 2020-08-27 Koenig & Bauer Ag Anlage für eine tafelförmiges Substrat verarbeitende Maschine und Verfahren zum Betreiben einer Anlage

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2807466A (en) * 1951-04-26 1957-09-24 Gericke Erich Flat-bed printing machines
US3921974A (en) * 1973-11-08 1975-11-25 Pitney Bowes Inc Sheet orienting apparatus
DD135818B1 (de) * 1978-04-19 1981-06-24 Guenter Weisbach Einrichtung zum ausrichten von bogen in bogenverarbeitenden maschinen
DE2929388A1 (de) * 1979-07-20 1981-02-05 Mabeg Maschinenbau Gmbh Nachf Ausrichtvorrichtung
DE3302873A1 (de) * 1983-01-28 1984-08-02 Mabeg Maschinenbau Gmbh Nachf. Hense & Pleines Gmbh & Co, 6050 Offenbach Ausrichtvorrichtung
DE3438134A1 (de) * 1984-10-18 1986-04-24 M.A.N.- Roland Druckmaschinen AG, 6050 Offenbach Verfahren zum ausrichten und zufuehren von druckboegen an druckmaschinen
DD274785A1 (de) * 1988-08-15 1990-01-03 Polygraph Leipzig Antrieb fuer saugziehmarken
GB9119488D0 (en) * 1991-09-11 1991-10-23 Xerox Corp Sheet feeding apparatus with lateral registration
DE4241795C2 (de) * 1992-12-11 1996-05-23 Roland Man Druckmasch Vorrichtung zum paßgenauen Anlegen

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002042076A1 (fr) * 2000-11-22 2002-05-30 Bauer + Kunzi Gesellschaft Für Drucktechnik Mbh Systeme de guidage pour machines d'impression de feuilles de tole et machines de laquage de feuilles de tole
EP2921441A1 (fr) * 2014-03-18 2015-09-23 Crabtree Of Gateshead Limited Appareil de manipulation de feuilles pour appareil de traitement de feuille
WO2015139786A1 (fr) * 2014-03-18 2015-09-24 Crabtree Of Gateshead Limited Appareil de manipulation de feuille pour appareil d'usinage de feuille

Also Published As

Publication number Publication date
DE59508065D1 (de) 2000-04-27
EP0752310A3 (fr) 1997-09-10
DE4445638A1 (de) 1996-06-27
EP0752310B2 (fr) 2004-01-07
EP0752310B1 (fr) 2000-03-22

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