EP0628505B1 - Dispositif pour séparer des produits imprimés empilés - Google Patents

Dispositif pour séparer des produits imprimés empilés Download PDF

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Publication number
EP0628505B1
EP0628505B1 EP94107299A EP94107299A EP0628505B1 EP 0628505 B1 EP0628505 B1 EP 0628505B1 EP 94107299 A EP94107299 A EP 94107299A EP 94107299 A EP94107299 A EP 94107299A EP 0628505 B1 EP0628505 B1 EP 0628505B1
Authority
EP
European Patent Office
Prior art keywords
rotor
suction heads
control
track
follow
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
EP94107299A
Other languages
German (de)
English (en)
Other versions
EP0628505A1 (fr
Inventor
Hans-Ulrich Stauber
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.)
Ferag AG
Original Assignee
Ferag 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
Application filed by Ferag AG filed Critical Ferag AG
Publication of EP0628505A1 publication Critical patent/EP0628505A1/fr
Application granted granted Critical
Publication of EP0628505B1 publication Critical patent/EP0628505B1/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
    • B65H5/08—Feeding articles separated from piles; Feeding articles to machines by grippers, e.g. suction grippers
    • B65H5/14—Details of grippers; Actuating-mechanisms therefor

Definitions

  • the invention relates to a device according to the preamble of claim 1.
  • EP A1 0 332 828 describes a device for separating stacked sheets of paper, which, however, is designed as a rotary feeder, the satellites of which are arranged in a rotor and rotate about their own axis during the rotation of the rotor. They have drum disks spaced from one another, between which the suction heads are arranged.
  • the rotor is located under a feeder magazine for receiving the stack, with the drum disks of the satellites rolling on the underside of the stack so that the bottom sheet, the fold of which the suction heads grasp and temporarily hold, is wound around the drum disks.
  • the sheet is first drawn into a conveyor gap, which is formed in each satellite between the middle drum disc and an endless conveyor belt partially wrapping around it, and then pushed on a path tangentially away from the drum discs beyond the circumferential circle of the rotor.
  • a removal conveyor with rotating grippers is assigned to the rotary feeder, each of which is to take over the paper sheet ejected by the satellites, but this is only possible if the fold is pushed as directly as possible from the conveyor gap into the gripper.
  • a roller feeder also arranged below a stack magazine is also described in DE-OS 27 32 591, in which a single suction head is arranged at one end of an angle lever, the other end is guided in a linear guide and the pivot bearing is eccentrically connected to a rotating planet gear is arranged, which in turn is in engagement with a fixed internal ring gear. This results in an angular orbit with several reversal points for the suction head, one of which lies in the takeover area.
  • the present invention takes a completely different approach with respect to both known feeders, in that it is based on the task of arranging and driving the suction heads outside of a rotor in such a way that they can be separated from the neighboring product quickly and safely without any significant deformation of even a free-standing outermost product cope and can transfer to the removal device itself.
  • the object of the invention in connection with a removal device with controlled grippers rotating in succession at regular intervals, is to guide the suction heads arranged outside the rotor with respect to the orbit of the grippers in such a way that they insert the edge of the products they grip into the grippers .
  • the rotor designated overall by 10
  • the rotor 10 is rotatably mounted in a housing 13 by means of a roller bearing 12 and in the circumferential direction 88 via a toothed ring 14 fastened to it, which meshes with a toothed belt 16 driven in rotation.
  • the rotor 10 carries three suction heads 18 distributed in the circumferential direction, each of which is anchored to the rotor disk 24 via a swivel arm 20 and a swivel axis 22.
  • the control link 38 is located on the end face 40 of the insert 42, which is removably fastened in the housing 13, facing the rotor disk 24, its track 36 being deeper than the other track 34, with the following rollers 32 and 30 being correspondingly offset with respect to one another in the axial direction .
  • tracks 34 and 36 remain closed, even if they overlap. Both tracks can therefore run in their diametrically opposite sections close to the rotor center; with a small radial space requirement, this results in a precise and vibration-free swivel drive 44 for the suction heads 18.
  • the track 34 has a bulge 46, which reaches the arm of each control lever 28, which cooperates with this track 34 and carries the follower roller 30, in overrun mode and leaves in drag mode, since the follower roller 30 in question rotates in the direction of rotation rising edge 47 of the bulge 46 is pushed inwards.
  • the arrangement of the rotor 10 with respect to the stack - here above the standing stack 48 - is such that the bulge 46 faces the stack 48 and the relevant follow-up roller 30 in the region of the bulge 46 most approaches the stack 48. This also applies, as can be seen in FIG.
  • a removal device As can also be seen in FIG. 8, above the stack 48 there is the guide channel 54 of a removal device, generally designated 56, which is provided with controlled grippers 58 rotating in succession at regular intervals, which grips in a known manner on a channel 54 rotating in the conveying direction F , endless traction element (not visible) are anchored.
  • the rotor 10 is laterally offset with respect to the channel 54, so that the suction heads 18, which swivel up on their swivel arms 20 and at the same time are driven by their rotating axes 22, hold the gripped product edge longer and, within a longer run-in area, directly into the open mouth facing downwards Can insert gripper 58.
  • the grippers 58 When the time comes, the grippers 58 are closed and the suction heads 18 are ventilated.
  • the rotor 10 specifically the rotor disk 24 is designed as a rotary slide valve which interacts with a valve body 60 engaging in a central opening of the rotor disk 24.
  • the valve body 60 has control slots 62 and 64 which communicate with a vacuum source (not shown) or with the atmosphere.
  • the connection 65 to a suction line 66 runs through the area of the insert 42 enclosed by the control link 38.
  • Radial connecting channels 68 are provided in the rotor disk 24, which in the course of one revolution of the rotor disk 24 first with the vacuum slot 62 and then with the ventilation slot 64 in Connect (similar to what is also described in the aforementioned DE-OS).
  • the radial connecting channels 68 of the rotor disk 24 are permanently connected to the suction heads 18 by connecting channels 70 formed through the axes 22.
  • the course of the control link 38 and the distance between the suction heads 18, as can be seen in FIG. 8 in conjunction with FIG. 3, is selected such that, on the one hand, the suction heads 18 bypass the transfer point 72 and, on the other hand, there are suction heads both in the transfer area and in the transfer area 18 are located. This allows a very fast working method, especially since there is still a lot of time available both for the transfer and for the transfer and all movements take place fluently.
  • the resilient mounting of the suction heads is helpful.
  • the suction heads 18 are attached to hollow pins 74, which are displaceably guided in heads 76 attached to the ends of the axes 22 are, but under the action of a hairpin spring 78 assume a rest position determined by a stop shoulder 80, with the hollow pin 74 communicating with the axial channels 70 of the axes 22 in each displacement position.
  • the suction heads 18 are guided by means of hollow swivel arms 82, which in turn are anchored to the axes 22.
  • a compression spring 84 holds the suction heads 18 in the stop position shown. Further details of both variants are readily apparent from the drawing.
  • the stack support is preceded - as indicated only in FIG. 8 - by a periodically or continuously driven feed device 86 which e.g. can be designed in the form of a conveyor belt.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Sheets, Magazines, And Separation Thereof (AREA)
  • Specific Conveyance Elements (AREA)

Claims (12)

  1. Dispositif pour séparer des produits imprimés empilés, avec des têtes aspirantes réglables circulant dans un plan perpendiculaire à la pile, supportées par un rotor et elles-mêmes mobiles avec un mouvement superposé au mouvement de circulation en défilement et qui aspirent le produit supérieur extrême dans une zone de prise et qui le séparent de la pile en vue de le transférer à un ensemble d'évacuation, caractérisé en ce que les têtes aspirantes (18) sont solidarisées chacune du rotor (10) au moyen d'un bras basculant (20) se raccordant de façon essentiellement rigide à la tête aspirante (18), dont l'extrémité libre est guidée pendant la circulation au moyen d'une commande suiveuse (44) avec un galet (30, 32) engagé dans une coulisse de commande (38) immobile, fermée sur elle-même, les bras basculants (20) pénétrant par poussée dans la zone de prise (50) et quittant celle-ci par traction, de telle façon qu'au sortir de cette zone de prise (50), ces bras basculants (20) soient pivotés vers l'avant dans le sens (88) de la circulation et soient ainsi maintenus en position basculée jusqu'au transfert vers l'ensemble d'évacuation (56).
  2. Dispositif suivant la revendication 1, caractérisé en ce que la commande suiveuse (44) est disposée sur la face arrière du rotor (10), située à l'opposé des bras basculants (20), ceux-ci étant reliés à des leviers de commande (28) portant les galets (30, 32) au moyen d'axes (22) traversant le rotor (10).
  3. Dispositif suivant la revendication 2, caractérisé en ce que le rotor (10) est constitué par un tiroir rotatif (24), qui communique avec les têtes aspirantes (18) par des canaux de liaison (70) et coopère avec une face de commande associée d'un corps de soupape (60), dans laquelle sont prévus des fentes (62, 64), raccordées à une source de dépression, respectivement à l'atmosphère.
  4. Dispositif suivant la revendication 3, caractérisé en ce que les axes (22) traversant le rotor (10) constituent des canaux de liaison (70) de ce rotor (10) avec les têtes aspirantes (18).
  5. Dispositif suivant la revendication 4, caractérisé en ce que le corps de soupape (60) se trouve dans un orifice central du rotor (10) et est raccordé à la source de dépression par une conduite (65), entourée par la coulisse (38).
  6. Dispositif suivant la revendication 5, caractérisé en ce que la coulisse de commande (38) est prévue dans un insert (42), fixé de façon démontable dans le corps de rotor (13) et qui porte également le corps de soupape (60).
  7. Dispositif suivant la revendication 6, caractérisé en ce que le corps de soupape (60) est supporté à distance devant l'insert (42) et la coulisse de commande (38), située partiellement sous le corps de soupape (60), présente une voie intérieure (34) ainsi qu'une voie extérieure (36), les leviers de commande (28) ayant deux bras, chaque levier (28) portant sur son premier bras un galet suiveur (30) pour la première voie (34) et sur son autre bras un galet suiveur (32) pour l'autre voie (36) de la coulisse (38).
  8. Dispositif suivant la revendication 7, caractérisé en ce que l'une des voies (36) est plus profonde que l'autre voie (34).
  9. Dispositif suivant l'une quelconque des revendications 1 à 8, caractérisé en ce que les têtes aspirantes (18), avec leurs axes (22), sont assemblées élastiquement (78, 84), tout en pouvant être repoussées vers l'intérieur.
  10. Dispositif suivant l'une quelconque des revendications 1 à 9, avec un ensemble d'évacuation (56) pourvu de pinces (58) commandées en circulation, qui se succèdent à distances régulières, caractérisé en ce que la trajectoire (54) des pinces, avec l'ouverture de celles-ci tournée essentiellement vers le bas dans la zone de transfert, passe au-dessus d'un plateau d'empilement de réception pour une pile dressée (48), et est déportée latéralement par rapport à la trajectoire de circulation (90) des têtes aspirantes (18), et en ce que la coulisse de commande (38) présente, à la suite de la zone de prise (50), un flanc montant (47), les têtes aspirantes (18) étant relevées de cette zone de prise (50) en direction des pinces (58), dans une zone de transfert (72).
  11. Dispositif suivant la revendication 10, caractérisé en ce que la trajectoire de circulation (90) des têtes aspirantes (18) est disposée autour de la zone de transfert (72), ces têtes aspirantes (18) étant disposées à une telle distance l'une de l'autre que de telles têtes (18) soient en permanence aussi bien dans la zone de prise (50) que dans la zone de transfert (72).
  12. Dispositif suivant la revendication 11, caractérisé en ce que le plateau d'empilement est précédé par un ensemble d'alimentation (86), entraîné de façon continue ou périodique, en fonction de la séparation en cours.
EP94107299A 1993-05-21 1994-05-10 Dispositif pour séparer des produits imprimés empilés Expired - Lifetime EP0628505B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH1542/93 1993-05-21
CH154293 1993-05-21

Publications (2)

Publication Number Publication Date
EP0628505A1 EP0628505A1 (fr) 1994-12-14
EP0628505B1 true EP0628505B1 (fr) 1997-07-23

Family

ID=4212854

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94107299A Expired - Lifetime EP0628505B1 (fr) 1993-05-21 1994-05-10 Dispositif pour séparer des produits imprimés empilés

Country Status (5)

Country Link
US (1) US5542656A (fr)
EP (1) EP0628505B1 (fr)
JP (1) JP3427327B2 (fr)
DE (1) DE59403428D1 (fr)
DK (1) DK0628505T3 (fr)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0755886B1 (fr) * 1995-07-25 2000-10-11 Ferag AG Dispositif pour alimenter des produits imprimés à une station de traitement ultérieure
DE19627830B4 (de) * 1995-07-31 2005-07-28 Ferag Ag Vorrichtung zum Zubringen von Druckereiprodukten zu einem Wegförderer
AU711307B2 (en) * 1996-05-06 1999-10-07 Ferag Ag Device for feeding printed products to a further processing point
EP0863099B1 (fr) * 1997-03-04 2001-11-21 Ferag AG Dispositif pour séparer des produits imprimés empilés
DE59812448D1 (de) 1998-02-18 2005-02-03 Grapha Holding Ag Vorrichtung zur Beschickung einer Verarbeitungsstrecke mit Druckprodukten
CH692617A5 (de) * 1998-02-27 2002-08-30 Ferag Ag Vorrichtung zum Verarbeiten von flexiblen, flächigen Erzeugnissen.
EP1055620B1 (fr) * 1999-05-28 2004-11-03 Ferag AG Dispositif pour prélever et/ou transporter des produits flexibles et plats
US6748294B1 (en) * 2000-10-23 2004-06-08 Bowe Bell + Howell Postal Systems Company Flats bundle collator
AU2002220430B2 (en) * 2001-02-15 2006-11-30 Ferag Ag Device and method for disassembling a pile of flat objects
CA2681276A1 (fr) * 2007-03-28 2008-10-02 Ferag Ag Dispositif pour executer des operations sur des produits plats et procede pour faire fonctionner ce dispositif
JP5890647B2 (ja) * 2011-10-21 2016-03-22 トッパン・フォームズ株式会社 吸着装置

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3386558A (en) * 1967-05-23 1968-06-04 Mead Corp Feeder mechanism
JPS517405B2 (fr) * 1972-04-14 1976-03-08
CH598106A5 (fr) * 1976-07-29 1978-04-28 Ferag Ag
CH626589A5 (fr) * 1978-02-15 1981-11-30 Ferag Ag
US4518301A (en) * 1982-07-06 1985-05-21 R. A. Jones & Co. Inc. Orbital feeder
US5014972A (en) * 1985-12-02 1991-05-14 Ricoh Company, Ltd. Recirculating automatic document feeder
CH676839A5 (fr) * 1988-03-17 1991-03-15 Grapha Holding Ag
DE69023567T2 (de) * 1989-07-31 1996-06-27 Sharp Kk Blattzufuhrgerät vom Umlauftyp.
DE3941866A1 (de) * 1989-12-19 1991-06-20 Bosch Gmbh Robert Vorrichtung zum ueberfuehren flacher gegenstaende
DE4029520C2 (de) * 1990-09-18 1997-09-18 Bosch Gmbh Robert Vorrichtung zum Entnehmen flacher Gegenstände aus einer Abgabestation und zum Überführen dieser zu einer Aufnahmestation
AU645716B2 (en) * 1992-01-09 1994-01-20 Ferag Ag Process and apparatus for delivering preferably folded printing products to a further processing point

Also Published As

Publication number Publication date
DK0628505T3 (da) 1998-02-23
JP3427327B2 (ja) 2003-07-14
US5542656A (en) 1996-08-06
EP0628505A1 (fr) 1994-12-14
DE59403428D1 (de) 1997-08-28
JPH0753073A (ja) 1995-02-28

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