EP0968128B1 - Dispositif d'empilage de feuilles, en particulier de feuilles de papier ou de carton transportees sur des palettes par un systeme a lamelles - Google Patents

Dispositif d'empilage de feuilles, en particulier de feuilles de papier ou de carton transportees sur des palettes par un systeme a lamelles Download PDF

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Publication number
EP0968128B1
EP0968128B1 EP98910737A EP98910737A EP0968128B1 EP 0968128 B1 EP0968128 B1 EP 0968128B1 EP 98910737 A EP98910737 A EP 98910737A EP 98910737 A EP98910737 A EP 98910737A EP 0968128 B1 EP0968128 B1 EP 0968128B1
Authority
EP
European Patent Office
Prior art keywords
sensors
stacking
sheets
stack
height
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 - Lifetime
Application number
EP98910737A
Other languages
German (de)
English (en)
Other versions
EP0968128A1 (fr
Inventor
Peter Voss
Ernst Claassen
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.)
Voith Paper Jagenberg GmbH
Original Assignee
Jagenberg Papiertechnik GmbH
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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Application filed by Jagenberg Papiertechnik GmbH filed Critical Jagenberg Papiertechnik GmbH
Publication of EP0968128A1 publication Critical patent/EP0968128A1/fr
Application granted granted Critical
Publication of EP0968128B1 publication Critical patent/EP0968128B1/fr
Anticipated expiration legal-status Critical
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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
    • B65H31/00—Pile receivers
    • B65H31/04—Pile receivers with movable end support arranged to recede as pile accumulates
    • B65H31/08—Pile receivers with movable end support arranged to recede as pile accumulates the articles being piled one above another
    • B65H31/10—Pile receivers with movable end support arranged to recede as pile accumulates the articles being piled one above another and applied at the top of the pile
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H43/00—Use of control, checking, or safety devices, e.g. automatic devices comprising an element for sensing a variable
    • B65H43/08—Photoelectric devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/40—Type of handling process
    • B65H2301/42—Piling, depiling, handling piles
    • B65H2301/422—Handling piles, sets or stacks of articles
    • B65H2301/4225—Handling piles, sets or stacks of articles in or on special supports
    • B65H2301/42256—Pallets; Skids; Platforms with feet, i.e. handled together with the stack
    • 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
    • B65H2511/10—Size; Dimensions
    • B65H2511/15—Height, e.g. of stack
    • 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
    • B65H2701/176—Cardboard
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S414/00—Material or article handling
    • Y10S414/10—Associated with forming or dispersing groups of intersupporting articles, e.g. stacking patterns
    • Y10S414/102—Associated with forming or dispersing groups of intersupporting articles, e.g. stacking patterns including support for group
    • Y10S414/103—Vertically shiftable
    • Y10S414/105—Shifted by article responsive means

Definitions

  • the invention relates to a device and a method for stacking sheets, in particular of shingled supplied sheets of paper or cardboard on pallets, according to the Preamble of claims 1 and 4.
  • the storage platform is loaded with the full pallet Lowered floor area. After the full pallet has been removed and a new one has been placed empty pallet, it is raised again to just below the feed level. So that the feed of sheets is not interrupted when changing stacks devices with an auxiliary stacking platform are known, which during the Removal of the finished stack carries the forming stack. The empty pallets are then moved to just below the auxiliary stacking platform and taken over the partial stack that has formed on the auxiliary stack platform.
  • a stacking device in which the control of the The storage platform is lowered by means of a light button on the inlet side is arranged in front of the stack area and scans the stack height.
  • Document EP-A-0 211 996 discloses a generic stacking device in which three optical sensors vertically one above the other next to the storage platform are arranged, which are all active in operation.
  • the individual sensors are with one Distance of 10 - 20 mm, 20 - 40 mm and 40 - 60 mm below the upper end of the Arranged feeder and serve the lowering speed of the storage platform to control.
  • a stacking device in which at the beginning of the Stacking area laterally five initiators arranged vertically one above the other at a height in which the storage platform is located when a stack change is carried out shall be.
  • the initiators can be activated individually and release a braking device to stop the supplied sheet flow if the storage platform has reached this position due to bulges in the arches, although the preset Number of sheets to be filed has not been reached.
  • the invention has for its object to a generic stacking device improve that the drop height of the arches easily to different Values can be set.
  • At least three optical sensors for the top of the stack are vertical arranged one above the other, which can be activated separately. Two selected each Sensors determine the range of the maximum drop height deviation and enable it such a control of the storage platform so that an upper maximum value is not exceeded and a lower minimum value is not fallen below.
  • the embodiment described below is used for stacking continuously Paper sheets 1 conveyed in scale form following a cross cutting machine.
  • the sheets 1 are the stacking area by a belt conveyor trained feeder 2 fed at a height above the maximum Stack height is arranged above the floor.
  • the stacks 3 are on pallets 4 formed, which are placed on a storage platform 5.
  • the storage platform 5 is suspended in the frame 6 of the stacking device on pull chains 8. You can use the Pull chains 8 from the hall area to the area of the feed level 7 of the sheets 1 be raised and lowered.
  • the stacking device has the Known elements for a precise storage of the sheets 1 on the stack 3 on: A bulletin board 9 for the sheet leading edges and side shaking plates 10 that on the longitudinal edges of the sheet act.
  • FIG. 3 The area of the ejection section is shown in FIG. 3 shown enlarged.
  • the Feed plane arranged vertically downwardly extending plate 12 which the Stacking area limited on the inlet side.
  • the sheet trailing edges are on the plate 12 aligned.
  • the plate 12 has cutouts in the ejection rollers 13 are mounted together with in the sheet running direction blowing blow nozzles 14 a safe transport of the sheets 1 in the stacking area guarantee.
  • the device for stack height scanning consists of a box-shaped housing 16, in the front of the stack area facing at least three, in Embodiment five optical sensors 17 are arranged vertically one above the other. 17 reflection light sensors are preferably used as optical sensors, at which light transmitter and light receiver are in a housing (housing 15).
  • the vertical distance between two sensors 17 is a maximum of 20 mm, preferably between 5 mm and 10 mm, in the present example 7.5 mm.
  • the top sensor 17 is a short distance below the feed level, the distance is sufficiently large to prevent the upward movement of the platform 5 to be able to stop that the top of the stack remains below the feed level 7.
  • the vertical position of the top sensor 17 is therefore chosen to be independent the top of the stack can be controlled from the sheet material to be stacked that it does not fall below the desired minimum distance from the feed plane 7.
  • the top sensor 17 is 10 mm below the Feed level 7.
  • the sensors 17 are offset in two vertical lines arranged so that the desired small vertical distance between two sensors 17th from each other.
  • the signal lines 18 are in the housing 15, the to a control device, not shown, for controlling the vertical movement of the Storage platform 5 is connected.
  • two of the five sensors 17 are activated the rest are inactive.
  • the upper of the two active sensors 17 determines the minimum distance of the top of the stack from the feed level 7, the lower active Sensor 17 the maximum distance.
  • the vertical position of the top of the stack becomes controlled by a vertical movement of the storage platform 5 so that they in essentially in the desired vertical range between the two active ones Sensors 17 is held.
  • the control is advantageously carried out via a Two-point control, one if the upper position is exceeded Lowering movement and when falling below the lower position one Raising movement of the storage platform 5 triggers.
  • the two corresponding sensors 17 are activated.
  • three sensors 17 allow both the minimum head and the control range the fall height to two different values.
  • five sensors as in the exemplary embodiment, is a multitude of possibilities given the drop height depending on the type by activating two sensors 17 in one Control area in which a trouble-free storage of the sheets 1 is possible. It is thus not necessary, the sensors 17 scanning the stack height at a Variety of changes to adjust. You only need the two matching ones Sensors 17 to be activated.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Pile Receivers (AREA)
  • Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)

Claims (4)

  1. Dispositif pour empiler sur des palettes (4) des feuilles (1), en particulier des feuilles de papier ou de carton transportées en train de feuilles partiellement superposées, comportant un convoyeur (2) pour les feuilles (1), fixé dans le sens vertical et disposé à une hauteur située au-dessus de la hauteur maximale des piles sur le sol, une plate-forme de pose (5) apte à être relevée et abaissée, sur laquelle les piles (3) sont formées, et au moins trois capteurs optiques (17) pour la détermination de la hauteur des piles, qui sont tous disposés les uns au-dessus des autres dans le sens vertical à petite distance en dessous du plan de transport (7), caractérisé en ce que les capteurs optiques (17) sont disposés du côté de l'entrée, en amont de la zone des piles, en ce que la distance verticale entre deux capteurs (17) est d'au plus 20 mm, et en ce que les capteurs (17) peuvent être activés séparément pour le réglage de différentes valeurs de la hauteur de chute, et en fonctionnement, deux capteurs (17) sont activés, les autres étant inactifs.
  2. Dispositif selon la revendication 1, caractérisé en ce que la distance verticale entre deux capteurs (17) est comprise entre 5 mm et 10 mm.
  3. Dispositif selon la revendication 1 ou 2, caractérisé en ce que comme capteurs (17), on utilise des détecteurs de lumière à réflexion.
  4. Procédé pour la régulation de la hauteur d'empilement dans un dispositif d'empilement, caractérisé en ce que parmi au moins trois capteurs optiques (17) disposés les uns au-dessus des autres dans le sens vertical du côté de l'entrée, en amont de la zone d'empilement, à petite distance en dessous du plan de transport (7), au moins deux capteurs (17) disposés dans la région de hauteur de chute nécessaires sont chaque fois activés, le côté supérieur de la pile étant maintenu par une régulation à deux points essentiellement dans la région située entre les deux capteurs (17) actifs, par l'intermédiaire d'une plate-forme de pose (5) apte à être relevée et abaissée.
EP98910737A 1997-03-19 1998-03-07 Dispositif d'empilage de feuilles, en particulier de feuilles de papier ou de carton transportees sur des palettes par un systeme a lamelles Expired - Lifetime EP0968128B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19711406 1997-03-19
DE19711406A DE19711406C1 (de) 1997-03-19 1997-03-19 Verfahren und Vorrichtung zum Stapeln von Bögen, insbesondere von geschuppt zugeförderten Papier- oder Kartonbögen auf Paletten
PCT/EP1998/001342 WO1998041465A1 (fr) 1997-03-19 1998-03-07 Dispositif d'empilage de feuilles, en particulier de feuilles de papier ou de carton transportees sur des palettes par un systeme a lamelles

Publications (2)

Publication Number Publication Date
EP0968128A1 EP0968128A1 (fr) 2000-01-05
EP0968128B1 true EP0968128B1 (fr) 2002-06-05

Family

ID=7823875

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98910737A Expired - Lifetime EP0968128B1 (fr) 1997-03-19 1998-03-07 Dispositif d'empilage de feuilles, en particulier de feuilles de papier ou de carton transportees sur des palettes par un systeme a lamelles

Country Status (5)

Country Link
US (1) US6318954B1 (fr)
EP (1) EP0968128B1 (fr)
DE (2) DE19711406C1 (fr)
ES (1) ES2182286T3 (fr)
WO (1) WO1998041465A1 (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7132161B2 (en) * 1999-06-14 2006-11-07 Energy Science Laboratories, Inc. Fiber adhesive material
DE10023807A1 (de) * 2000-05-15 2001-11-22 Nexpress Solutions Llc Stapelhöhenerfassung und Stapelhöhensteuerung
DE20103326U1 (de) 2001-02-24 2001-05-10 Man Roland Druckmaschinen Ag, 63069 Offenbach Einrichtung in einem Bogenausleger
EP1348661B1 (fr) * 2002-03-29 2006-12-06 Océ-Technologies B.V. Détecteur de position
JP2003307402A (ja) 2002-03-29 2003-10-31 Oce Technologies Bv 位置検出器
US7344062B2 (en) * 2002-12-06 2008-03-18 First Data Corporation Systems for preparing presentation instruments for distribution
US6817518B2 (en) * 2002-12-06 2004-11-16 First Data Corporation Systems for preparing presentation instruments for distribution
CN1817771A (zh) * 2004-10-08 2006-08-16 海德堡印刷机械股份公司 收放单张纸到纸堆上的装置
CH697495B1 (de) * 2005-04-01 2008-11-14 Baumer Electric Ag Optischer Sensor und Verfahren zur Unterdrückung von Streulichtfehlern.
US9150382B2 (en) * 2012-04-02 2015-10-06 Alliance Machine Systems International, Llc Apparatus and method for feeding and conveying items

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1261522B (de) * 1965-04-28 1968-02-22 Masson Scott Thrissell Eng Ltd Vorrichtung zum Bilden eines Stapels aus nacheinander zugefuehrten Bogen auf einem Stapeltisch
US4027580A (en) * 1975-11-21 1977-06-07 Conwed Corporation Pad stacker
DE3400343C2 (de) * 1984-01-07 1986-11-27 Werner H.K. Peters Maschinenfabrik Gmbh, 2000 Hamburg Fördervorrichtung zu einem Formatableger für Wellpappenabschnitte hinter einem Querschneider
US4667953A (en) * 1985-08-28 1987-05-26 Mitsubishi Jukogyo Kabushiki Kaisha Sheet stacker
DE3823806A1 (de) * 1988-07-14 1990-01-18 Jagenberg Ag Vorrichtung zum abstapeln von boegen, insbesondere von kartonboegen

Also Published As

Publication number Publication date
US6318954B1 (en) 2001-11-20
WO1998041465A1 (fr) 1998-09-24
EP0968128A1 (fr) 2000-01-05
ES2182286T3 (es) 2003-03-01
DE19711406C1 (de) 1998-10-01
DE59804326D1 (de) 2002-07-11

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