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EP0559846B2 - Dispositif pour le retournement d'une feuille avec changement simultane du sens de transport - Google Patents

Dispositif pour le retournement d'une feuille avec changement simultane du sens de transport Download PDF

Info

Publication number
EP0559846B2
EP0559846B2 EP92908174A EP92908174A EP0559846B2 EP 0559846 B2 EP0559846 B2 EP 0559846B2 EP 92908174 A EP92908174 A EP 92908174A EP 92908174 A EP92908174 A EP 92908174A EP 0559846 B2 EP0559846 B2 EP 0559846B2
Authority
EP
European Patent Office
Prior art keywords
gap
sheet
input
output
guide plate
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
EP92908174A
Other languages
German (de)
English (en)
Other versions
EP0559846A1 (fr
EP0559846B1 (fr
Inventor
Johannes Jacobus Maria Kusters
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.)
Pitney Bowes Deutschland GmbH
Original Assignee
Bell and Howell GmbH
Bell and Howell Co
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6435463&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0559846(B2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Bell and Howell GmbH, Bell and Howell Co filed Critical Bell and Howell GmbH
Publication of EP0559846A1 publication Critical patent/EP0559846A1/fr
Application granted granted Critical
Publication of EP0559846B1 publication Critical patent/EP0559846B1/fr
Publication of EP0559846B2 publication Critical patent/EP0559846B2/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
    • 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
    • B65H5/025—Feeding articles separated from piles; Feeding articles to machines by belts or chains, e.g. between belts or chains by belts between belts and rotary means, e.g. rollers, drums, cylinders or balls, forming a transport nip
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H15/00—Overturning articles
    • B65H15/004—Overturning articles employing rollers
    • 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
    • B65H5/26—Duplicate, alternate, selective, or coacting feeds
    • 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
    • B65H2301/30—Orientation, displacement, position of the handled material
    • B65H2301/34—Modifying, selecting, changing direction of displacement
    • B65H2301/342—Modifying, selecting, changing direction of displacement with change of plane of displacement
    • B65H2301/3423—Modifying, selecting, changing direction of displacement with change of plane of displacement by travelling an angled curved path section for overturning and changing feeding direction
    • 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
    • B65H2301/44—Moving, forwarding, guiding material
    • B65H2301/445—Moving, forwarding, guiding material stream of articles separated from each other
    • B65H2301/4454—Merging two or more streams

Definitions

  • the invention relates to a device for turning a sheet while changing the conveying direction with the features of the preamble of Claim 1.
  • a device of this type is from the German Offenlegungsschrift 36 14 103 known. she contains an entrance slit, a diagonal one Bending gap and an exit gap, this Gap between a roller arrangement on the one hand and a conveyor belt arrangement are formed on the other hand, such that a formation of leaves in a positive direction partially clamped turned and discharged at an angle to the feed direction can be.
  • the object of the invention is to provide a device the features of the preamble of claim 1 so that at high speed achieved an increased level of operational reliability becomes.
  • a multiple juxtaposition of facilities of the type specified here not only makes it possible to turn a single sheet and dissipate with changed conveying direction, but a plurality lying side by side in one plane promoted sheets or form sections at the same time with the turning process and the change in the conveying direction to separate the individual sheets or form sections after this separation each separate sheet stacks or sets of forms assign.
  • the exit gap expediently contains in Direction of discharge moving sections of rotating Conveyor belts and on the other hand assigned to them Counter-rolling elements as output drive means, the rolling elements preferably from in cages of the guide plate held balls are formed.
  • the device 10 specified here for turning a sheet while changing the conveying direction a feed device 11 is connected upstream, in which a feed gap 12 between pairs of each other opposite guide rods 13 and 14 formed is.
  • the guide rods 13 can by transverse connecting rods 15 held together while the guide rods 14 in a corresponding manner across extending connecting rods 16 held together are.
  • the direction of the sheet to be processed is in the Feed gap 12 entered in the direction of arrow 17 and has the shape of, for example, by means of a Cutting device separated from a continuous form Leaf.
  • Upstream of the feed device 11 Institutions promote what needs to be managed Sheet into the entrance nip 12 until the front Sheet edge protrudes beyond the feed gap 12 and in an entry slot 18 of the device for turning and changing the conveying direction.
  • In the Entrance gap 18 extends over cutouts from guide walls 19 and 20 a drive roller assembly 21 and 22, which the front edge of the over the feed gap 12th fed sheet detected and further into the input gap 18 pulls in.
  • the vacuum holding device 23 is in the embodiment shown here through in vacuum holding openings of the guide rods 14 opening channels 25, a control valve 26 and one Vacuum source 27 realized.
  • the respective leaf position, in which the vacuum holding device 23 is switched on or is switched ineffective, can by means of a position indicator 28 in the form of a photocell and a control device 29 can be determined.
  • the baffles 19 and 20 converge in the Figure 2 evident way from the input side towards the entrance gap 18, with the upper guide wall 19 is attached to a swivel bracket 30, which around a pivot axis 31, which is supported in bearing blocks 32 is, can be swiveled up to the upper guide wall 19 together with the also on the swivel bracket 30 stored and held rollers 21 of the drive roller assembly from the lower baffle 20 and the lower Arrangement of drive rollers 22 stand out and the entrance gap 18 accessible. It is still here noted that the rollers 21 of the drive roller assembly are stored freely.
  • Upper guide wall 19 thus extends below 45 degrees oriented to the direction of conveyance of the drive roller arrangement diagonal recess in the lower guide wall 20, being the diagonal leading edge of the lower baffle 20 is completed by the deflecting body 35.
  • the lower guide wall 20 forms the upper end of a Baffle 36, the middle layer 37 for example consists of polytetrafluoroethylene and with cage recesses 38 is provided, in which rolling elements or Balls 39 are housed.
  • a moving disc which is dimensioned in such a way that it fits into something Profile of the exit gap 49 protrudes and therefore the removed leaf gives a slight transverse curvature, which improves the stability of the discharged sheet Way is increased.
  • the conveyor speed of the conveyor belts 42 and 43 in connection with the rolling elements 39 is preferred greater than the conveying speed of the Drive roller assembly 21, 22, with the result that that too handling sheet once its with reference to Figure 1 right corner between conveyor belt 2 and the rolling element or the ball 39A is now detected with increased speed from the input gap 18 in the output gap 49 is pulled and from the prevailing nestling on the inside of the deflection flange 34 for contact with the outer surface of the deflecting body 35 changes and precisely whose diagonal bend follows, such that due to the 45 degree orientation of the deflecting body 35 a conveying direction in the exit gap 49 90 degrees to the Sets the feed direction according to arrow 17, as indicated by arrow 51 in Figure 1.
  • the task can be accomplished with such a device solve several side by side on one level transported and separated from each other in the longitudinal direction Turning and singling leaves as well as in to discharge in a direction perpendicular to the feed direction, as shown schematically in Figure 3 and in perspective Representation is shown.
  • the sheets handled in this new direction of conveyance overlapping each other with reference to the representation of Figure 3 right sheet 52d then transported from the discharge direction to the top is, while the one drawn on the left in FIG Sheet 52a is removed at the bottom.
  • the isolation does not cause any difficulties afterwards.
  • Figure 3a schematically shows a device in supervision with two sections, Figure 3b one with three Sections and Figure 3c one with four sections adjacent units 10 of the in Figure 1 Art.
  • Figure 3d finally shows that feed devices 11 a chain from both sides juxtaposed units 10, each with alternating Orientation of the diagonal deflection gap 33 can supply.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Delivering By Means Of Belts And Rollers (AREA)
  • Separation, Sorting, Adjustment, Or Bending Of Sheets To Be Conveyed (AREA)
  • Registering Or Overturning Sheets (AREA)

Abstract

Des feuilles ou jeux de feuilles sont retournés à une vitesse de travail élevée et avec une grande sécurité de fonctionnement, en particulier après la coupe d'imprimés en continu, acheminés plus avant avec un changement du sens de transport, et séparés en amenant le bord de feuille orienté dans le sens du transport à une fente de pliage en diagonale par laquelle tout d'abord un coin de feuille atteint une fente de sortie, dans laquelle le bord guidant de la feuille est amené à une vitesse élevée, dans une direction perpendiculaire au dispositif de transport, dans un plan parallèle au plan du transport, tout en étant à une certaine distance de ce plan.

Claims (6)

  1. Dispositif pour le retournement d'une feuille avec changement simultané du sens de transport, la feuille étant transportée, par des moyens d'entraínement d'entrée (21, 22), vers une fente d'entrée (18) qui touche une fente de pliage (33) diagonale dont l'axe de courbure est orienté essentiellement parallèlement au plan de la feuille et de préférence dans un angle de 45° par rapport au bord avant de la feuille et qui débouche dans une fente de sortie (49), dans laquelle sont prévus des moyens d'entraínement de sortie (42, 43, 39) destinés au moins à saisir le coin de feuille arrivant en premier dans la fente de sortie (49) lorsque la feuille est amenée à travers la fente d'entrée (18), la fente de sortie présentant un plan essentiellement parallèle, mais distancé par rapport à celui de la fente d'entrée (18), la fente d'entrée (18) vers laquelle la feuille est transportée au moyen d'un dispositif de rouleaux d'entraínement (21, 22) constituant des moyens d'entraínement d'entrée étant formée entre une plaque de recouvrement (19) et une plaque de guidage (36), caractérisé en ce que la plaque de recouvrement (19) présente une bride de renvoi (34) à courbure diagonale s'avançant dans un creux diagonal de la plaque de guidage (36) en formant la fente de pliage (33) et que la plaque de guidage (36) présente un corps de renvoi (35) diagonal essentiellement cylindrique opposé à la bride de renvoi, en ce qu'en outre, sur le côté de la plaque de guidage (36) opposé à la plaque de recouvrement (19), la fente de sortie (49) et les moyens d'entraínement de sortie (42, 43, 39) sont prévus et en ce que la fente de sortie (49) présente, d'une part, des tronçons de bandes transporteuses (42, 43) mus dans le sens d'éjection et, d'autre part, des corps roulants de maintien (39) affectés à celles-ci servant de moyens d'entraínement de sortie.
  2. Dispositif selon la revendication 1, caractérisé en ce qu'aussi bien la plaque de recouvrement (19) que la plaque de guidage (36) présentent au début de la fente d'entrée (18) des encoches, à travers lesquelles des rouleaux de transport placés l'un en face de l'autre du dispositif de rouleaux d'entraínement (21, 22) s'avancent dans la fente d'entrée (18).
  3. Dispositif selon l'une des revendications 1 à 2, caractérisé en ce qu'en amont de la fente d'entrée (18) est placé un dispositif d'amenée (11) comprenant un dispositif de retenue (23) qui, de manière commandée (29), retient la feuille à transporter lorsque le dispositif de rouleaux d'entraínement (21, 22) est actif ou la libère pour celui-ci.
  4. Dispositif selon l'une des revendications 1 à 3, caractérisé en ce que la plaque de recouvrement (19), y compris une partie comportant des rouleaux du dispositif de rouleaux d'entraínement (21, 22), est logée de manière orientable (31, 32) par rapport à la plaque de guidage (36).
  5. Dispositif selon l'une des revendications 1 à 4, caractérisé en ce que la plaque de guidage (36) comporte des creux à cage (38), dans lesquels sont logées des billes servant de corps roulants de maintien (39) sous forme de rangées placées en face de bandes transporteuses (42, 43) au-dessus de la fente de sortie (49).
  6. Dispositif selon l'une des revendications 1 à 5, caractérisé en ce que la vitesse de transport dans la fente de sortie (49) est réglée de manière à être supérieure à celle dans la fente d'entrée (18).
EP92908174A 1991-07-04 1992-04-13 Dispositif pour le retournement d'une feuille avec changement simultane du sens de transport Expired - Lifetime EP0559846B2 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE4122214 1991-07-04
DE4122214A DE4122214A1 (de) 1991-07-04 1991-07-04 Einrichtung zum wenden eines blattes unter gleichzeitiger aenderung der foerderrichtung
PCT/EP1992/000829 WO1993001115A1 (fr) 1991-07-04 1992-04-13 Dispositif pour le retournement d'une feuille avec changement simultane du sens de transport

Publications (3)

Publication Number Publication Date
EP0559846A1 EP0559846A1 (fr) 1993-09-15
EP0559846B1 EP0559846B1 (fr) 1996-07-17
EP0559846B2 true EP0559846B2 (fr) 2001-03-21

Family

ID=6435463

Family Applications (1)

Application Number Title Priority Date Filing Date
EP92908174A Expired - Lifetime EP0559846B2 (fr) 1991-07-04 1992-04-13 Dispositif pour le retournement d'une feuille avec changement simultane du sens de transport

Country Status (4)

Country Link
US (2) USRE38867E1 (fr)
EP (1) EP0559846B2 (fr)
DE (2) DE4122214A1 (fr)
WO (1) WO1993001115A1 (fr)

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EP0497002B1 (fr) 1991-01-25 1995-05-24 Ferag AG Dispositif de formation d'un intervalle dans un courant d'articles se chevauchant
US5188355A (en) 1991-12-30 1993-02-23 Pitney Bowes Inc. Apparatus for conveying sheets from landscape to portrait arrangement
US5316199A (en) 1992-09-18 1994-05-31 Rockwell International Corporation Adjustable angle bar assembly for a printing press
US5333851A (en) 1992-12-30 1994-08-02 Pitney Bowes Inc. Document corner turning belt transport apparatus and method
US5538240A (en) 1994-11-04 1996-07-23 Pitney Bowes Right angle turn over module
US5664772A (en) 1994-11-04 1997-09-09 Pitney Bowes Inc. Apparatus and method for right angle turn over of sheet material
US5649698A (en) 1994-11-04 1997-07-22 Pitney Bowes Inc. Method and apparatus for turning over and merging slit documents

Also Published As

Publication number Publication date
DE4122214A1 (de) 1993-01-14
WO1993001115A1 (fr) 1993-01-21
DE59206783D1 (de) 1996-08-22
EP0559846A1 (fr) 1993-09-15
US5362039A (en) 1994-11-08
USRE38867E1 (en) 2005-11-08
EP0559846B1 (fr) 1996-07-17

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