EP0822911B1 - Dispositif servant a constituer une pile sur un plateau - Google Patents

Dispositif servant a constituer une pile sur un plateau Download PDF

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Publication number
EP0822911B1
EP0822911B1 EP95935908A EP95935908A EP0822911B1 EP 0822911 B1 EP0822911 B1 EP 0822911B1 EP 95935908 A EP95935908 A EP 95935908A EP 95935908 A EP95935908 A EP 95935908A EP 0822911 B1 EP0822911 B1 EP 0822911B1
Authority
EP
European Patent Office
Prior art keywords
charging
stack
conveyor
conveyor belt
blocking device
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
EP95935908A
Other languages
German (de)
English (en)
Other versions
EP0822911A1 (fr
Inventor
Ernst August Hahne
Hermann Künzig
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.)
Eltex Elektrostatik GmbH
Original Assignee
Eltex Elektrostatik 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
Application filed by Eltex Elektrostatik GmbH filed Critical Eltex Elektrostatik GmbH
Publication of EP0822911A1 publication Critical patent/EP0822911A1/fr
Application granted granted Critical
Publication of EP0822911B1 publication Critical patent/EP0822911B1/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
    • B65H31/00—Pile receivers
    • B65H31/34—Apparatus for squaring-up piled articles
    • 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
    • B65H2301/4223—Pressing piles
    • 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
    • B65H2301/50—Auxiliary process performed during handling process
    • B65H2301/51—Modifying a characteristic of handled material
    • B65H2301/513—Modifying electric properties
    • B65H2301/5132—Bringing electrostatic charge

Definitions

  • the invention relates to a device for forming a Stack on a transport table.
  • Such a device is known per se and is used for example for stacking newspapers, magazines or the like from a so-called cross boom a shrinking station, especially for foils.
  • DE-A-40 34 339 describes a method and a device for electrostatic charging of several sheets of paper for temporary cohesion of the same is known. With the Method and the device according to DE-A-40 34 339 opposite electrostatic charges in paper stacks and giant paper indented to the repulsive force of located on both sides of each sheet of paper electrostatic charges of the same polarity come over and thereby a temporary sticking of the To achieve bow. However, in practice shown that also in the concept according to DE-A-40 34 339 the paper piles and paper giant not without disturbing Slipping around and moving the sheets from one station can be transported to another.
  • the invention has for its object in a generic device the stacked stack align objects more stably.
  • the Objects before they reach the stack through a separate charging device, which in the Stack itself already has an opposite polarity Terms of using the charging electrodes electrostatic charge, each other opposite side areas of the stack that are perpendicular to Transport direction are aligned.
  • the electric field is concentrated in it Area.
  • there is a field concentration in the excess Air pockets in the stack so that the field force effect in Stack and in the charge accumulation on the surface that Air displaced in the stack. This leads to a significant higher adhesion of the specimens to each other, whereby the Stack mechanically blocked and consequently held becomes.
  • the Transport table is connected to ground, so that the electric field from each side area arced aligns the transport table.
  • the charging device at least one endlessly rotating Conveyor belt on whose upper run the objects are available, and is the delivery-side redirection of Conveyor belt arranged above the transport table.
  • Conveyor belt across to it Transport direction extending second further Charging electrode assigned.
  • Conveyor belt another endless conveyor belt be assigned, the lower run of the upper run of the Is assigned to the conveyor and at the same speed circulates.
  • the upper run of the another conveyor associated with a discharge electrode.
  • Fig. 1 is the total designated 5 Cross arm shown schematically. With this one a total of 6 (Fig. 2) designated stack Magazines on the total designated 7 Transport table stored. This stack 6 is then in Transport direction 8 (Fig. 1) to a next one Workstation, for example a shrinking station, forwarded, in which the stack 6 wrapped in foils and then welded or using shrink wrap is shrunk.
  • a next one Workstation for example a shrinking station, forwarded, in which the stack 6 wrapped in foils and then welded or using shrink wrap is shrunk.
  • These charging electrodes lla, 11b, 12a, 12b run perpendicular to the transport direction 8 and extend perpendicular to the transport table 7 to to the full height of the stack 6, namely on its both sides 9, 10.
  • the two sides 9, 10 charged with negative polarity.
  • FIG. 1 and FIG. 2 can from the Charging electrodes 11a, 11b, 12a, 12b and others Charging electrode 13 formed charging frame in the form an upside down "U" by means of magnetic feet trained feet can be set up, wherein the blocking device several such, in their Height and width adjustable loading frame can have.
  • the side electrodes instead of the orientations and arrangements of the electrodes as in the illustrated embodiment, it is also possible to cross the side electrodes, for example diagonally to the side surface 9, 10 of the stack 6 or also at right angles or across or diagonally on the top 14 to arrange the further charging electrode 13.
  • the further one Charging electrode 13 is here with the opposite Polarity with respect to the charging electrodes 11a, 11b, 12a, 12b charged.
  • the blocking device is a charging device 20 provided as shown in Fig. 3.
  • the redirection of the Conveyor belt 22 is arranged above the transport table 7.
  • the upper run 23 of the conveyor belt 22 is transverse to whose transport direction extends second further Charging electrode 24 assigned by means of which on the Objects transported in the upper run can be charged can.
  • the conveyor 21 is a further rotating conveyor belt 25 assigned to a further conveyor 26, the lower strand is assigned to the upper run 23 of the conveyor 21 and with revolves at the same speed.
  • the upper strand of the Another conveyor 26 is a discharge electrode 27 assigned, which are also preferably transverse to it Orbital direction extends. Be through this device Objects between the two strands to the delivery point transported and thereby by the second further Charging electrode 24 charged.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Pile Receivers (AREA)
  • Forming Counted Batches (AREA)
  • Basic Packing Technique (AREA)
  • Delivering By Means Of Belts And Rollers (AREA)

Claims (14)

  1. Dispositif pour former une pile (6) d'objets empilés comme, par exemple, des journaux, revues ou équivalents empilés qu'il s'agit de transférer sur une table (7) dans une direction de transport (8), la pile (6) étant transférée à une autre station de travail, par exemple, pendant le transfert entre un appareil (5) de dépose en croix et un tunnel d'emballage sous film et dans lequel il est prévu un dispositif de blocage pour la pile (6), qui présente au moins une électrode de charge (11a, 11b ; 12a, 12b) de chaque côté, disposée à côté de la pile (6) dans la direction du transport (8),
       CARACTERISE en ce que le dispositif de blocage présente un dispositif de charge séparé (20) pour charger chaque objet d'électricité statique avant qu'il ne parvienne sur la pile.
  2. Dispositif selon la revendication 1, caractérisé en ce qu'au moins deux électrodes de charge (11a, 11b ; 12a, 12b) du dispositif de blocage présentent la même polarité.
  3. Dispositif selon la revendication 1 ou 2, caractérisé en ce que la table constitue une table de transport (7) et cette table est mise à la masse.
  4. Dispositif selon une des revendications 1 à 3, caractérisé en ce que, au dessus de la pile (6), le dispositif de blocage présente au moins une autre électrode de charge (13) ayant une polarité inverse de celle des électrodes de charge (11a, 11b ; 12a, 12b).
  5. Dispositif selon la revendication 4, caractérisé en ce qu'au moins l'autre électrode de charge (13) présente une polarité positive.
  6. Dispositif selon la revendication 4 ou 5, caractérisé en ce que les électrodes de charge (11a, 11b ; 12a, 12b) et au moins l'autre électrode de charge (13) sont disposées sensiblement transversalement à la direction du transport (8).
  7. Dispositif selon la revendication 6, caractérisé en ce que le cadre de charge formé d'au moins deux des électrodes de charge (11a, 11b ; 12a, 12b) et de au moins l'autre électrode de charge (13) présente la forme d'un "U" retourné, qui peut être porté au moyen de petits pieds.
  8. Dispositif selon la revendication 7, caractérisé en ce que les petits pieds sont constitués par des petits pieds magnétiques.
  9. Dispositif selon la revendication 7 ou 8, caractérisé en ce que le dispositif de blocage présente plusieurs cadres de charge.
  10. Dispositif selon la revendication 9, caractérisé en ce que les cadres de charge du dispositif de blocage sont réglables en hauteur et/ou en largeur.
  11. Dispositif selon une des revendications 2 à 10, caractérisé en ce que le dispositif de charge (20) présente au moins un transporteur (21) constitué par une bande transporteuse (22) circulant sans fin sur le brin supérieur (23) duquel les objets peuvent être acheminés et en ce que le renvoi de la bande transporteuse (22) côté sortie est disposée au-dessus de la table (7).
  12. Dispositif selon la revendication 11, caractérisé en ce qu'au brin supérieur (23) de la bande transporteuse (22) est associée une deuxième électrode de charge additionnelle (24), qui s'étend transversalement à sa direction de transport.
  13. Dispositif selon la revendication 11 ou 12, caractérisé en ce qu'au transporteur (21) est associée une autre bande transporteuse (25) circulant sans fin, appartenant à un transporteur additionnel (26) et dont le brin inférieur coopère avec le brin supérieur (23) du transporteur (21) et circule à la même vitesse.
  14. Dispositif selon la revendication 13, caractérisé en ce qu'une électrode de décharge (27) est associée au brin supérieur du transporteur additionnel (26).
EP95935908A 1995-04-19 1995-10-05 Dispositif servant a constituer une pile sur un plateau Expired - Lifetime EP0822911B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19514405 1995-04-19
DE19514405 1995-04-19
PCT/EP1995/003939 WO1996033119A1 (fr) 1995-04-19 1995-10-05 Dispositif servant a constituer une pile sur un plateau

Publications (2)

Publication Number Publication Date
EP0822911A1 EP0822911A1 (fr) 1998-02-11
EP0822911B1 true EP0822911B1 (fr) 2000-01-19

Family

ID=7759876

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95935908A Expired - Lifetime EP0822911B1 (fr) 1995-04-19 1995-10-05 Dispositif servant a constituer une pile sur un plateau

Country Status (8)

Country Link
US (1) US6015257A (fr)
EP (1) EP0822911B1 (fr)
JP (1) JPH11503698A (fr)
AT (1) ATE188944T1 (fr)
DE (3) DE19515411A1 (fr)
DK (1) DK0822911T3 (fr)
ES (1) ES2141966T3 (fr)
WO (1) WO1996033119A1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19719935A1 (de) * 1997-05-13 1998-11-19 Eltex Elektrostatik Gmbh Vorrichtung sowie Verfahren zum Verblocken eines Stapels von gestapelten Gegenständen
DE19820668A1 (de) * 1998-05-08 1999-11-11 Gaemmerler Ag Vorrichtung zur Behandlung von gestapelten Druckerzeugnissen
DE10050451B4 (de) * 2000-10-12 2008-10-09 Koenig & Bauer Aktiengesellschaft Verfahren und Einrichtung zur Fixierung
EP2128064B1 (fr) * 2008-05-29 2013-04-03 Simco Nederland B.V. Procédé et dispositif pour maintenir ensemble une pile d'objets non conductrice électriquement et son unité d'électrode
US12006129B2 (en) * 2021-07-28 2024-06-11 Inteplast Group Corporation Sheet product package and method of making dispensable sheet product

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3834290A (en) * 1973-04-26 1974-09-10 V Nelson Apparatus for counting and stacking sheet material
DE3540203C2 (de) * 1985-11-13 1993-12-09 Will E C H Gmbh & Co Vorrichtung zum Fördern von Papierstapeln
DE4000263A1 (de) * 1990-01-03 1991-07-04 System Gmbh Vorrichtung zum richten von stapeln
US5062764A (en) * 1990-01-08 1991-11-05 Robert A. Foisie Method and apparatus using electrostatic charges to stabilize the upper sheets of a stack of paper
US5228373A (en) * 1990-01-08 1993-07-20 Robert A. Foisie Method and apparatus using electrostatic charges to temporarily hold packets of paper
DE59508827D1 (de) * 1994-09-21 2000-12-07 Eltex Elektrostatik Gmbh Vorrichtung zum bilden eines stapels auf einem transporttisch

Also Published As

Publication number Publication date
ES2141966T3 (es) 2000-04-01
DE59507661D1 (de) 2000-02-24
US6015257A (en) 2000-01-18
EP0822911A1 (fr) 1998-02-11
WO1996033119A1 (fr) 1996-10-24
ATE188944T1 (de) 2000-02-15
JPH11503698A (ja) 1999-03-30
DE59602235D1 (de) 1999-07-22
DE19515411A1 (de) 1996-10-24
DK0822911T3 (da) 2000-05-08

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