EP0714842B1 - Dispositif pour séparer des feuilles plissées ou des brochures brochées - Google Patents

Dispositif pour séparer des feuilles plissées ou des brochures brochées Download PDF

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Publication number
EP0714842B1
EP0714842B1 EP95118835A EP95118835A EP0714842B1 EP 0714842 B1 EP0714842 B1 EP 0714842B1 EP 95118835 A EP95118835 A EP 95118835A EP 95118835 A EP95118835 A EP 95118835A EP 0714842 B1 EP0714842 B1 EP 0714842B1
Authority
EP
European Patent Office
Prior art keywords
roll
conveyor belt
roller
separating
support
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
EP95118835A
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German (de)
English (en)
Other versions
EP0714842A2 (fr
EP0714842A3 (fr
Inventor
Kurt Dipl.-Ing. Hasler
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Individual
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Individual
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Filing date
Publication date
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Publication of EP0714842A2 publication Critical patent/EP0714842A2/fr
Publication of EP0714842A3 publication Critical patent/EP0714842A3/fr
Application granted granted Critical
Publication of EP0714842B1 publication Critical patent/EP0714842B1/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
    • B65H3/00—Separating articles from piles
    • B65H3/02—Separating articles from piles using friction forces between articles and separator
    • B65H3/04—Endless-belt separators
    • B65H3/042—Endless-belt separators separating from the bottom 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
    • B65H3/00—Separating articles from piles
    • B65H3/46—Supplementary devices or measures to assist separation or prevent double feed
    • B65H3/52—Friction retainers acting on under or rear side of article being separated
    • B65H3/5246—Driven retainers, i.e. the motion thereof being provided by a dedicated drive
    • B65H3/5276—Driven retainers, i.e. the motion thereof being provided by a dedicated drive the retainers positioned over articles separated from the bottom of the pile
    • B65H3/5292—Retainers of the belt type, e.g. belts
    • 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
    • B65H2301/423—Depiling; Separating articles from a pile
    • B65H2301/4232—Depiling; Separating articles from a pile of horizontal or inclined articles, i.e. wherein articles support fully or in part the mass of other articles in the piles
    • B65H2301/42322—Depiling; Separating articles from a pile of horizontal or inclined articles, i.e. wherein articles support fully or in part the mass of other articles in the piles from bottom 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
    • B65H2701/00—Handled material; Storage means
    • B65H2701/10—Handled articles or webs
    • B65H2701/19—Specific article or web
    • B65H2701/1932—Signatures, folded printed matter, newspapers or parts thereof and books

Definitions

  • the invention relates to a device for separating folded Sheets, especially stapled brochures from one of these sheets or brochures formed stack, with the bottom lying in the stack Sheet or the bottom brochure is removable with the features the preamble of claim 1.
  • Devices of this type are known per se, and they have for single sheets also proved to be useful because the stack during the workflow can always be added. Without wanting to claim completeness, publications are listed below, the facilities of this type show and describe: DE 3508 981 A1; AT-PS 371 075; EU 0459 667 A1; EU 0487 592 B1; EU 0565 633 B1; U.S. Patent 4,991,831 and U.S. Patent 5,244,198 Devices of this known type can be folded sheets or folded sheets or stapled brochures not or only to a limited extent by machine pull off the underside of such a stack laterally, since this side Peel off the folded sheets or sheets or pull up a brochure forming pages are turned up. It is also not possible to use these previously known ones To use devices so that one and the same device for sheets, Sheets or even brochures can be used.
  • the invention is based on this state of the art and aims at to design a device of the type mentioned so constructively that it can be used for separating individual sheets as well for separating folded sheets or even brochures, in other words, that it can be adapted to a large extent to the respective circumstances, the are determined by the type of stacked goods.
  • the task proposes those measures, the content and subject of the characterizing part of claim 1.
  • the aforementioned adaptation is possible to a large extent, so that with the device according to the invention not only single, thin Sheets can be pulled from a stack and separated, but also folded sheets that have different thicknesses across their width or length, because they may contain deposits, or even multi-page and bound brochures, which have a different stiffness in the longitudinal and transverse directions, due to the binding provided on their back and their respective upper, while passing through the converging gap along the Guide surface sliding tends to immediately after passing this Bend open.
  • the device has one or more conveyor belts 1, which run endlessly are formed, the surface of which is profiled and / or at least one Have surface that has a high coefficient of friction.
  • the number the conveyor belts (Fig. 2), which are arranged side by side, is directed according to the size and type of formats to be separated with this facility are.
  • the length L of the conveyor belt or belts 1 also depends on the separating formats, but it should be dimensioned so that the conveyor belt at least by a small amount above the center of gravity of the stack to be placed extends.
  • the upper strand of the conveyor belt loaded by the stack, not shown 1 is supported by support rollers 2. Instead of individual support rollers 2 a support skid could also be arranged.
  • rollers 3, 3 ' mounted, on the same axis as the deflection and Drive rollers of the conveyor belt 1.
  • the diameter of these rollers 3, 3 ' is one slightly larger than the belt deflection diameter, so that the jacket of this Rolls protrudes slightly from the support level of the conveyor belt.
  • rollers 3 and 3 'could also be the deflection and drive rollers of the conveyor belt 1 have a lateral collar with an enlarged diameter.
  • the drive axle 21, the delivery-side rollers 3 and the delivery-side Deflection and drive rollers of the conveyor belts 1 is over a freewheel 22 connected to a drive pinion 18, in such a way that the conveyor belt 1 compared to its drive speed, which is generated by the drive motor 20 and the countershaft shown here in FIG. 2 - consisting of drive pinion 18 and toothed belt 19 - is given, lead or advance by external influences can.
  • the conveyor belt 1 and its surfaces should have a large coefficient of friction compared to paper, but the abrasion ability should be low to avoid contamination of the device. That also applies to the Roles 3 and 3 'as well as for all other roles or components that are for the Transport of sheets or brochures can be used.
  • an ejection roller 4 rotatably mounted, this ejection roller 4 over a Freewheel 6 is connected to its drive shaft 5, in such a way that the Ejection roller 4 can advance relative to the axis 5 driving it.
  • the horizontal one Distance between the ejection roller 4 and the discharge-side rollers 3 should be smaller than the smallest one to be separated here on this facility Format.
  • the support plane by a small amount is below the uppermost points of the two rollers 3 and 4, compared to these top points is set back somewhat, which can also be seen in FIG. 1.
  • a guide element Separating roller 8 arranged on an axis 9 with an intermediate freewheel 10, in such a way that - with reference to Fig. 1 - this separation roller in Counterclockwise is freely rotatable, but clockwise with the fixed one Axis 9 is coupled.
  • This separation roller 8 is mounted on a support 12.
  • a pressure roller 13 is provided by a spring 26 is supported vertically and is located directly above the ejection roller 4.
  • There is also a horizontal guide plate 14 between these two rollers 8 and 13 provided that with the above-mentioned guide plate 7 a passage channel 24th forms.
  • This upper baffle 14 is opposite the lowest points of the two Rolls 8 and 13 offset slightly higher.
  • the separation roller 8 is a vertical stop plate 15 upstream, on which to be placed on the conveyor belt 1, here stack, not shown, rests on the end face. This stop plate 15 is approximately tangential to the separating roller 8.
  • the separating roller 8 has the task against the discharge side To limit a tapering gap 27 at the end of the conveyor belt 1.
  • the separation roller 8 is full-surface or at least with a friction-intensive material partially covered.
  • the rear end of the conveyor belt 1 is raised and lowered (arrow 36).
  • a wedge-shaped lifting device 16 can be provided with regard to their inclination and their position relative to the conveyor belt 1 in the direction the arrows 28 is adjustable (Fig. 5).
  • the aforementioned rollers 3 and 4 and the conveyor belt 1 are from a drive motor 20 driven by a countershaft, which consists of a toothed belt 19 and the drive pinions 17 and 18 is formed, of which the one drive pinion 17 is attached to the drive shaft 5 of the ejection roller 4 and the other Drive pinion 18 with the interposition of the already mentioned freewheel 22 sits on the drive shaft 21.
  • the two drive pinions 17 and 18 are dimensioned so that their gear ratio is approximately 1: 1.2 - 1: 3.
  • a light barrier 23 is arranged. With the light barriers a timed deduction is achieved, d. that is, after the passage of a part the transport was briefly interrupted and then restarted. Also a Counter not shown here would be controlled in this way.
  • a time delay element can be provided because when leaving the Measuring edge, the paper or brochure is still in the ejection roller. It must that is, the ejection roller 4 continues to run after the light barriers have responded, until the rear edge of the sheet or brochure in the ejection direction Ejection roller 4 has left. This electronic effort (time delay element) can be saved if the light barrier 23 in the ejection direction seen behind the ejection roller 4 is arranged (Fig. 1 and 3).
  • conveyor belt 1 or the conveyor belts are a stack of folded sheets of paper, sheets of paper or Brochures placed in such a way that the front of this stack on Stop plate 15 abuts and the folded edges of the folded paper sheets or paper sheets are parallel to axes 5 and 21. If conveyor belt 1 is switched on, which then - in relation to Fig. 1 - rotates counterclockwise, so the sheet of paper lying at the bottom of the stack is pulled to the left and runs into the Flow channel 24 a.
  • the separating roller 8 is previously compared by means of the handwheel 11 the delivery-side roller 3 of the conveyor belt is set to a gap 27, the width of which corresponds to the thickness of the sheet of paper to be separated, so that only one folded due to the gap delimited by the two latter rolls Can go through sheets of paper.
  • the tapering gap 27, on the one hand through the delivery-side roller 3 or the conveyor belt 1 and on the other hand is formed by the separation roller 8, generated due to the mutual sheet friction additional pressure in the stack, which ensures that the individual sheets of paper up to the last sheet of paper in the stack.
  • the storage of the separation roller 8 by means of a freewheel 10 serves that the Surface of this separation roller 8 is evenly stressed.
  • this separation roller 8 is rotated again and again into a different position, so that always other sections of the surface or the jacket of this separation roller 8 with the discharge-side roller 3 cooperates to limit the gap.
  • This setting can be done by means of a handwheel 11 or automatically working sheet or sheet thickness measurement.
  • the support 12 is divided into two parts, with one part 120 the pressure roller 13 and in the other part 121 the separation roller 8 are mounted. Of the part 121 having the separating roller 8 is mounted such that it can be adjusted in height, moreover the separation roller 8 is supported by the spring 30. It is within the scope of the invention also to arrange a spring in the upper part, as can be seen from FIG. 3 is.
  • the two-part support 12 is as whole height adjustable (arrow 25). This division of the support 12 into two is expedient so that the contact pressure of the pressure roller 13 is adapted to the paper quality can be.
  • the separating roller 8 By setting and changing the pressure of the pressure roller the separating roller 8 must not be influenced. Thanks to the sprung bearing the separation roller 8, this automatically adjusts for any bumps Paper flow.
  • the belts 31 between the pressure roller 13 and the separating roller 8 are made of a high-friction material.
  • the outside diameter of the belt 31 in the deflection area of the separating roller 8 is somewhat smaller than the outer diameter of the separation roller 8, so that the lying in the separation area Paper is not damaged.
  • the deflection diameter of the belt 31 in the pressure roller 13 preferably the same size as the outer diameter the pressure roller 13, thereby drawing in the goods to be separated against the Ejection roller 4 is guaranteed.
  • the belt 31 is driven by the rotation of the pressure roller 13 entrained, in the area of the separating roller 8 are free on the axis 9 rotatable belt pulleys. These straps 31 also prevent the top sheets of continuous brochures after passing the gap 27 can rear up.
  • the ejection roller 4 rotates somewhat faster than the conveyor belt 1. This is between the sheet or sheet and the subsequently forced a distance, which is detected by the light barrier 23 can be.
  • the electronic control it is possible to control the individual count the number of pieces that have been removed, make multiple deposits or the sheets selectively filing.
  • the support 12 is supported by a spring 29.
  • the one with support 12 fixed connected threaded spindle 34 passes through a hole in the boom 35. Between this boom 35 and the top of the support 12 is the compression spring 29 penetrated by the threaded spindle 34.
  • the spring constant of this Spring 29 is slightly larger than that of the spring 26 with which the pressure roller 13 is resilient is stored so that the exact adjustability of the separation roller 8 is not impaired becomes.
  • the light barriers 23 arranged in the ejection direction behind the ejection roller 4.
  • the separation gap is automatically set within one Range of about 1 to 6 mm, so that even booklets of different thicknesses are in a stack, can be separated properly.
  • the the Separating roller 8 carrying part 121 of the two-part support 12 is L-shaped here formed, the separation roller 8 in the apex region of the L-shape forming lies both legs, and the horizontal leg of the L-shaped part 121 pivotable in a vertical plane about the axis of the pressure roller 13.
  • a compression spring 32 is provided for the two parts 120 and 121 of the support 12, whose bias is adjustable by means of an adjusting screw 33 passing through it is.
  • the separation roller 8 is pressed down by the spring 32.
  • the smallest gap 27 can be set by means of the adjusting screw 33 mentioned as well as the contact pressure of the separating roller 8 can be set.
  • the separating roller 8 can differ against the force of the spring 32 Adjust booklet thicknesses automatically, which enables controlled feeding of the individual booklets or brochures is guaranteed.
  • the lifting device 16 is the rear axis of the conveyor belt 1 adjustable in height, so the conveyor belts 1 after the rear Support roller 2 are deflected somewhat downward (Fig. 1). This ensures that the conveyor belts run into the stack from below. So that will prevents the ribs on the rear belt from being provided on the conveyor belt Tarnish the edge of the paper stack and damage the edge.
  • the freewheel 22 in the drive system is therefore useful so that in the rapidly rotating ejection mechanism retracting sheet opposite the conveyor belts can be peeled off quickly so as to leave a gap between successive ones Generate leaves that are used for detection purposes can without causing excessive friction between the in the ejection sheet and the conveyor belts.
  • This allows the facility with relatively long conveyor belts and a large number of support rollers work, which has a positive effect on the stack height.
  • the baffle 14 can be attached directly to the support or in place on the stop plate 15.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)
  • Delivering By Means Of Belts And Rollers (AREA)

Claims (13)

  1. Dispositif pour retirer des feuilles pliées ou des brochures brochées d'une pile formée de ces feuilles ou de ces brochures, dans lequel la feuille, respectivement la brochure se trouvant tout en bas de la pile peut être retirée latéralement par au moins une bande transporteuse sans fin (1) sensiblement horizontale, sur le côté de sortie de laquelle est agencé, à distance de celui-ci, un rouleau ou cylindre d'éjection entraíné (4), tandis qu'au-dessus de ce rouleau ou cylindre d'éjection (4) est agencé un cylindre presseur (13) à rotation libre et qu'au-dessus du côté de sortie de la bande transporteuse (1) est agencé un organe de guidage délimitant avec celle-ci une fente (27) convergeant dans le sens de rotation de celle-ci, au moins la section de l'organe de guidage formant la fente convergente (27) se présentant sous la forme d'un arc, en particulier, d'un arc de cercle, l'organe de guidage se présentant lui-même sous la forme d'un rouleau ou cylindre séparateur (8), un déflecteur (7, 14) étant respectivement agencé, d'une part, entre l'organe de guidage et le rouleau presseur (13) et, d'autre part, entre le côté de sortie de la bande transporteuse (1) et le rouleau d'éjection (4) et ces deux déflecteurs (7, 14) délimitant un canal de passage (24), caractérisé en ce que l'organe de guidage conformé en rouleau séparateur (8) et le rouleau presseur (13) sont montés sur un support (12) qui est au moins scindé en deux parties, la première partie (120) présentant le rouleau presseur (13) sollicité par un ressort et l'autre partie (12) le rouleau séparateur (8) réglable en hauteur et le rouleau ou cylindre séparateur (8) formant l'organe de guidage étant monté à rotation à l'encontre du sens de rotation du brin de transport de la bande transporteuse (1), en ce que la rotation de ce rouleau ou cylindre séparateur (8) est cependant bloquée dans l'autre sens et en ce qu'il est prévu des bandes (31) tournant entre le rouleau séparateur (8) et le rouleau presseur (13).
  2. Dispositif selon la revendication 1, caractérisé en ce qu'un dispositif à roue libre (10) est prévu entre le rouleau ou cylindre séparateur (8) et l'arbre (9) qui le porte.
  3. Dispositif selon la revendication 1, caractérisé en ce que le support (12) est supporté au moyen d'un ressort (29) de manière à pouvoir être réglé en hauteur dans son ensemble.
  4. Dispositif selon la revendication 1, caractérisé en ce que le diamètre de la partie courbe de la bande (31), qui est guidée, dans la zone du rouleau séparateur (8), via un rouleau de changement de direction monté à rotation libre sur l'arbre (9), est plus petit, dans la zone de changement de direction du rouleau séparateur (8), que le diamètre externe du rouleau séparateur (8) et en ce que le diamètre de la partie courbe de la bande (31) dans la zone de changement de direction du rouleau presseur (13) est égal au diamètre externe du rouleau presseur (13).
  5. Dispositif selon la revendication 1, caractérisé en ce que le rouleau séparateur (8) est monté de manière élastique par un ressort (30) par rapport à la partie (121) du support (12) qui le porte, de manière à pouvoir se déplacer verticalement.
  6. Dispositif selon la revendication 1, caractérisé en ce que la partie (121) du support (12) à deux parties portant le rouleau séparateur (8) a une forme en L, le rouleau séparateur (8) se trouvant dans la zone du sommet des deux branches formant le L et la branche horizontale de la partie en L (121) étant montée de manière à pouvoir pivoter dans un plan vertical autour de l'arbre du rouleau presseur (13).
  7. Dispositif selon la revendication 6, caractérisé en ce qu'il est prévu entre les deux parties (120, 121) du support (12) un ressort de compression (32) dont la tension préalable peut être réglé au moyen d'une vis de réglage (33) qui le traverse.
  8. Dispositif selon la revendication 1, caractérisé en ce que la section postérieure de la bande transporteuse (1) est montée de manière à pouvoir être relevée et abaissée.
  9. Dispositif selon la revendication 1, caractérisé en ce que la bande transporteuse (1) présente une surface d'application profilée ou une surface d'application ayant un grand coefficient de frottement par rapport au papier.
  10. Dispositif selon la revendication 1, caractérisé en ce qu'au moins une barrière photoélectrique (23) est agencée dans la zone centrale longitudinale du canal de passage (24) ou après le rouleau d'éjection (4).
  11. Dispositif selon la revendication 1, caractérisé en ce que les rouleaux faisant changer de direction et/ou entraínant la bande transporteuse (1) présentent une couronne sur le bord, dont le diamètre est un peu plus grand que le diamètre de changement de direction de la bande transporteuse (1) ou, latéralement par rapport aux rouleaux entraínant et/ou faisant changer de direction la bande transporteuse (1), ces rouleaux (3, 3') sont agencés avec un diamètre plus grand, et en ce que ces rouleaux (3, 3') présentent une surface d'application ayant un grand coefficient de frottement par rapport au papier.
  12. Dispositif selon la revendication 1, caractérisé en ce qu'en dessous du rouleau presseur (13) sollicité par un ressort est agencé un rouleau d'éjection (4) qui est raccordé à son arbre d'entraínement (5) via un dispositif à roue libre (6).
  13. Dispositif selon la revendication 11, caractérisé en ce que l'arbre d'entraínement (21) portant les rouleaux (3, 3') est raccordé à un moteur d'entraínement (20) via un dispositif à roue libre (22).
EP95118835A 1994-12-02 1995-11-30 Dispositif pour séparer des feuilles plissées ou des brochures brochées Expired - Lifetime EP0714842B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
AT223794 1994-12-02
AT223794 1994-12-02
AT2237/94 1994-12-02

Publications (3)

Publication Number Publication Date
EP0714842A2 EP0714842A2 (fr) 1996-06-05
EP0714842A3 EP0714842A3 (fr) 1997-02-26
EP0714842B1 true EP0714842B1 (fr) 1999-06-09

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP95118835A Expired - Lifetime EP0714842B1 (fr) 1994-12-02 1995-11-30 Dispositif pour séparer des feuilles plissées ou des brochures brochées

Country Status (3)

Country Link
EP (1) EP0714842B1 (fr)
AT (1) ATE181032T1 (fr)
DE (1) DE59506155D1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111391281A (zh) * 2020-04-10 2020-07-10 陈龙 一种建筑机械的供电线缆牵引连接装置

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH635801A5 (de) * 1978-01-27 1983-04-29 Rengo Co Ltd Vorrichtung zum aufeinanderfolgenden zufuehren von gestapelten kartonstuecken an die verarbeitungswalze einer druck- oder verarbeitungsmaschine.
US4529187A (en) * 1982-09-17 1985-07-16 International Telephone & Telegraph Corporation Ticket magazine
US4991831A (en) * 1989-08-14 1991-02-12 Green Ronald J Paper sheet feeding apparatus
US5143365A (en) * 1989-08-14 1992-09-01 Green Ronald J Paper sheet feeding apparatus

Also Published As

Publication number Publication date
EP0714842A2 (fr) 1996-06-05
DE59506155D1 (de) 1999-07-15
ATE181032T1 (de) 1999-06-15
EP0714842A3 (fr) 1997-02-26

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