EP0121432B1 - Leitvorrichtung in einer Einrichtung zum Ausgeben von Pappbögen - Google Patents

Leitvorrichtung in einer Einrichtung zum Ausgeben von Pappbögen Download PDF

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Publication number
EP0121432B1
EP0121432B1 EP84302223A EP84302223A EP0121432B1 EP 0121432 B1 EP0121432 B1 EP 0121432B1 EP 84302223 A EP84302223 A EP 84302223A EP 84302223 A EP84302223 A EP 84302223A EP 0121432 B1 EP0121432 B1 EP 0121432B1
Authority
EP
European Patent Office
Prior art keywords
suction
blanks
guide apparatus
suction belt
conveyor means
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
Application number
EP84302223A
Other languages
English (en)
French (fr)
Other versions
EP0121432A2 (de
EP0121432A3 (en
Inventor
John Harry Ayres
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.)
Machines Chambon SA
Chambon Ltd
Original Assignee
Machines Chambon SA
Chambon Ltd
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 Machines Chambon SA, Chambon Ltd filed Critical Machines Chambon SA
Priority to AT84302223T priority Critical patent/ATE31284T1/de
Publication of EP0121432A2 publication Critical patent/EP0121432A2/de
Publication of EP0121432A3 publication Critical patent/EP0121432A3/en
Application granted granted Critical
Publication of EP0121432B1 publication Critical patent/EP0121432B1/de
Expired legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C1/00—Pretreatment of the finely-divided materials before digesting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H29/00—Delivering or advancing articles from machines; Advancing articles to or into piles
    • B65H29/24—Delivering or advancing articles from machines; Advancing articles to or into piles by air blast or suction apparatus
    • B65H29/241—Suction devices
    • B65H29/242—Suction bands or 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
    • B65H29/00—Delivering or advancing articles from machines; Advancing articles to or into piles
    • B65H29/58—Article switches or diverters
    • B65H29/60—Article switches or diverters diverting the stream into alternative paths
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2406/00—Means using fluid
    • B65H2406/30—Suction means
    • B65H2406/32—Suction belts
    • B65H2406/323—Overhead suction belt, i.e. holding material against gravity
    • 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

Definitions

  • This invention relates to guide apparatus for a carton blank delivery system, and to a carton blank delivery system incorporating such a guide apparatus.
  • the invention is particularly concerned with apparatus for guiding some of the blanks of a plurality of rows of blanks in a first direction, and to guide the rest of said blanks in a second direction, thereby separating blanks into two streams.
  • Guide apparatus of this type is necessary in blank delivery systems when either the speed of the input stream of blanks is so high that interference occurs between successive blanks as they are ejected onto a shingling conveyor (that is to say the tail of one blank has insufficient time to fall clear of the leading edge of the following blank); orthe blanks are nested, rotated or printed in such a manner that they must be collected separately.
  • U.S. Patent Specification No. 3 659 840 describes guide apparatus having two divergent conveyors, each of which is constituted by a pair of vacuum belts. Vacuum is applied alternatively to the belts of the two conveyors via a control valve, so that sheets of material fed to the apparatus can be alternately transported by the two conveyors.
  • the apparatus has the disadvantage that separation of the sheets requires relatively complicated control means, including (apart from the control valve), control signals and means for generating control signals. Moreover, the apparatus cannot separate sheets whose length is substantially less than that of the conveyors.
  • the aim of the invention is to provide guide apparatus which can be used to separate blanks, and which is reliable in operation, and is easily modified to accommodate different sizes and shapes of blank.
  • the present invention provides apparatus for guiding and separating blanks, the apparatus comprising first and second conveyor means whose input ends are positioned on opposite sides of the feed path of a stream of a plurality of rows of blanks to the apparatus, each of the conveyor means being constituted by a plurality of laterally-spaced suction belt means, each suction belt means being aligned with the feed path of the respective row of blanks, each of the suction belt means being provided with a plurality of suction ports, wherein the suction belt means of the two sets of conveyor means are driven in synchronism by drive wheels positively engaging the suction belt means, the suction ports of the suction belt means of the two sets of conveyor means having a continuous vacuum force exerted therethrough, the suction ports of the suction belt means of the two sets of conveyor means being so positioned that some of the blanks of each row of blanks are picked up by the suction-ports of the suction belt means of the first conveyor means and the rest of the blanks of each row of blanks are picked up by the suction
  • the conveyor means are such that alternate blanks of each row are conveyed by the suction belt means of the first and second conveyor means.
  • first and second conveyor means diverge away from the input ends thereof and in the direction of blank feed.
  • each of the suction belt means is constituted by a pair of suction belts which are laterally spaced with respect to the direction of blank feed.
  • each of the conveyor means is constituted by three pairs of laterally-spaced suction belts.
  • each suction belt may have an even number of sets of suction ports.
  • Each set of suction ports may have at least one, and preferably two, suction ports.
  • suction ports may be positioned in a continuous row round each of the suction belts.
  • means may be provided for closing at least one suction port of at least one suction belt, and the suction ports of each suction belt are equispaced.
  • a respective box-like chamber is associated with each of the suction belts, the portion of each chamber which faces the associated suction belt being closed off by a curved, longitudinally-slotted plate, and the chambers being connectible to a vacuum pump via an inlet manifold, the arrangement being such that each of the suction belts passes over the associated curved, longitudinally-slotted plate so that the suction ports of the belts can be subjected to a sub-atmospheric pressure.
  • the present invention also provides a system for delivery blanks, the system comprising feed means for receiving a stream of a plurality of rows of blanks from an upstream processing unit, guide apparatus positioned downstream of the feed means, and first and second pairs of shingling units positioned downstream of the guide apparatus, the guide apparatus being as defined above, wherein respective shingling units of the first pair of shingling units are positioned at the downstream ends of the first and second conveyor means, and respective shingling units of the second pair of shingling units are positioned at the downstream ends of the shingling units of the first pair.
  • Fig. 1 shows a delivery system which comprises feed means A, guide means B positioned downstream of the feed means, a first pair of shingling units C 1 and C 2 positioned downstream of the guide apparatus, and a second pair of shingling units D 1 and D 2 positioned downstream of the first pair of shingling units.
  • the feed means A is arranged to deliver a continuous stream of carton blanks 1 to the guide apparatus, and is constituted by a plurality of pairs of rollers 2.
  • the feed means A is positioned downstream of cutting and creasing units (not shown) which are effective to cut out and crease carton blanks from a continuous web of board.
  • the pre-formed carton blanks 1 are fed to the guide apparatus in three rows. Moreover, alternate blanks of each row are "right-hand" blanks 1a a and "left-hand” blanks 1b.
  • the right-hand blanks 1a are identical with the left-hand blanks 1b, but are rotated through 180° with respect to the left-hand blanks.
  • the blanks 1 are formed in this manner, with right-hand blanks la alternating with left-hand blanks 1b, as this results in a smaller amount of scrap material than would be the case if all the blanks were pre-formed as either right-hand blanks or left-hand blanks.
  • the guide apparatus B is constituted by an upper set of conveyors E, and a lower set of conveyors F (see Fig. 2). There are six conveyors in each of the sets E and F, and the guide apparatus is arranged so that two conveyors of each set are aligned with the lateral edge portions of the blanks 1 in each of the three rows of blanks. As shown best in Fig. 1, the two sets of conveyors E and F diverge in the direction of carton blank feed.
  • Each conveyor E or D includes an endless, internally-toothed belt 3 (best seen in Fig. 3), which is driven by a pair of externally-toothed wheels 4 and 5.
  • a respective box-like chamber 6 is associated with each of the belts 3.
  • the inwardly- facing surfaces of the chambers 6 are closed off by curved, longitudinally-slotted plates (not shown).
  • the conveyors E and F are so constructed that each of the belts 3 passes over the curved, slotted plate of the associated chamber 6.
  • Each of the chambers 6 is connected to a vacuum pump (not shown) via an inlet manifold 7 and a pair of inlets 8.
  • Each of the belts 3 is provided with four sets of suction ports 9.
  • the sets of suction ports 9 are equispaced around the belts 3, and each of these sets has two suction ports.
  • Each of the ports 9 is constituted by an aperture 9a in the associated belt 3, and by a washer-shaped head 9b fixed to the outer surface of the belt.
  • the suction ports 9 are subjected to the partial vacuum within these chambers, so that any blank 1 in contact therewith will be held firmly against the associated belt.
  • Each of the ports 9 can be sealed off from the partial vacuum inside the associated chamber 6 by means of a respective disc 9c which is a snap fit within the head of that port (see Figs. 3 and 4).
  • the belts 3 can easily be adapted to vary the number of ports 9 in use.
  • the belts 3 are driven in synchronism by a common drive means (not shown) via gear means (not shown).
  • the suction ports 9 are so positioned on their belts that, as the rows of blanks 1 are fed to the input end of the guide apparatus B, alternate blanks of each row are picked up by the belts 3 of the conveyors E, and alternate blanks are picked up by the belts 3 of the conveyors F.
  • the right-hand blanks 1a a can be picked up by the belts 3 of the upper conveyors E and the left-hand blanks 1 b can be picked up by the belts 3 of the lower conveyors F.
  • the right-hand blanks 1 a are separated from the left-hand blanks 1b, so that there is no danger of interference between successive blanks as they are fed along the delivery system downstream of the guide apparatus B.
  • the shingling units C 1 and C 2 are standard conveyor-belt shingling units whose speed is slightly less than half that of the input speed of the carton blanks 1a a and 1b. Thus, the shingling units C 1 and C 2 are effective to overlap the leading and trailing edges of the carton blanks 1 a and 1b by a small amount.
  • the carton blanks 1a and 1b pass respectively to second shingling units D 1 and D 2 .
  • the shingling units D 1 and D 2 are also standard conveyor-belt shingling units.
  • the units D 1 and D 2 are slow-speed shingling units, and the carton blanks 1a and 1b are made to overlap by almost their full length in these units.
  • the two sets of shingling units C and D are, therefore, effective to slow down the delivery speed of the carton blanks 1aand 1 b, and to perform a preliminary stacking operation.
  • As the blanks leave the downstream shingling units D 1 and D 2 they are, therefore, ready for immediate stacking by either manual or automatic means.
  • the guide apparatus described above has a number of advantages.
  • this apparatus is particularly suitable for separating successive blanks which are nested, positioned or printed in such a manner that they must be collected separately.
  • Another advantage of this guide apparatus is that the use of suction belts is effective to guide the blanks through the entire length of the guide apparatus, and this was not possible with the known types of apparatus using deflector plates or oscillating rollers. Consequently, this guide apparatus gives an improved guiding function.
  • the blanks are held in position by suction belts at their opposite lateral edges as they pass through the apparatus, so that this guiding function is particularly positive and secure.
  • each of the suction belts 3 could be provided with a different number of sets of suction ports 9.
  • each suction belf 3 could have any number of sets of suction ports 9, but two, four, six or any other even number of sets of suction ports is preferred.
  • each set of suction ports 9 could comprise one or more suction ports. It would also be possible for each suction belt 3 to be provided with a continuous row of equispaced suction ports 9.
  • the guide apparatus described above could also be used to separate some blanks of a continuous stream of a plurality of rows of blanks from the rest thereof.
  • the guide apparatus is used downstream of a printing and processing unit which utilises a printing roller which has three circumferentially- spaced dies in each row of several transversely- spaced rows, one die of each row may be arranged to print a different blank from the other two dies of that row.
  • the suction belts 3 of the conveyors of one of the sets E or F will be arranged to convey every third blank, and the suction belts 3 of the conveyors of the other set will be arranged to guide the rest of the blanks. In this way, different blanks can be separated from the continuous stream containing both types of blank in a reliable manner.
  • the apparatus described above could also be used to separate all the blanks in a given row from all the blanks in an adjacent row.
  • the blanks of a plurality of rows of blanks can be separated transversely as well as longitudinally. This is particularly useful for blanks which are excessively interleafed edge-to-edge.
  • suction belt means usually a plurality of pairs of suction belts
  • each conveyor will diverge transversely (as well as vertically) with respect to the direction of feed.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Auxiliary Devices For And Details Of Packaging Control (AREA)
  • Making Paper Articles (AREA)
  • Supplying Of Containers To The Packaging Station (AREA)
  • Delivering By Means Of Belts And Rollers (AREA)
  • Sheets, Magazines, And Separation Thereof (AREA)
  • Paper (AREA)
  • Photographic Developing Apparatuses (AREA)
  • Branching, Merging, And Special Transfer Between Conveyors (AREA)

Claims (13)

1. Vorrichtung zum Führen und Vereinzeln von Bögen (1), weiche erste und zweite Fördereinrichtungen (E, F) aufweist, deren Eingangsenden auf gegenüberliegenden Seiten der Förderbahn einer Folge einer Mehrzahl von Reihen der Bögen (1a, 1b) zur Vorrichtung angeordnet sind, wobei jede Fördereinrichtung (E, F) von einer Mehrzahl von in Querrichtung im Abstand angeordneten Saugbandeinrichtungen (3) gebildet wird, wobei jede Saugbandeinrichtung (3) zur Förderbahn einer zugeordneten Reihe von Bögen ausgerichtet ist, und wobei jede Saugbandeinrichtung (3) mit einer Mehrzahl von Säugöffnungen (9) versehen ist, bei welcher die Saugbandeinrichtung (3) der beiden Sätze von Fördereinrichtungen (E, F) synchron mittels Antriebsrädern (4, 5) angetrieben - sind, die zwangsläufig in Eingriff mit den Saugbandeinrichtungen (3) sind, die Saugöffnungen (9) der Saugbandeinrichtungen (3) der beiden Sätze von Fördereinrichtungen (E, F) ununterbrochen eine Saugkraft hierdurch ausüben, die Saugöffnungen (9) der Saugbandeinrichtungen (3) der beiden Sätze von Fördereinrichtungen (E, F) derart angeordnet sind, daß einige der Bögen (1a) jeder Reihe von Bögen durch die Saugöffnungen (9) der Saugbandeinrichtungen (3) der ersten Fördereinrichtung (E) aufgenommen werden und der Rest der Bögen (1b) jeder Reihe von Bögen durch die Saugöffnungen (9) der Saugbandeinrichtung (3) der zweiten Fördereinrichtung (F) aufgenommen werden.
2. Vorrichtung nach Anspruch 1, bei der die Fördereinrichtungen (E, F) derart sind, daß abwechselnd Bögen (1a, 1b) jeder Reihe durch die Saugbandeinrichtungen (3) der ersten und zweiten Fördereinrichtungen (E, F) transportiert werden.
3. Führungsvorrichtung nach Anspruch 1 oder 2, bei der die erste und die zweite Fördereinrichtung (E, F) von den Eingangsenden weg und in Förderrichtung der Bögen divergierend verlaufen.
4. Führungsvorrichtung nach einem der Ansprüche 1 bis 3, bei der jede Saugbandeinrichtung von einem Paar von Saugbändern (3) gebildet wird, die in Querrtchtung im Abstand bezüglich der Förderrichtung der Bögen angeordnet sind.
5..Führungsvorrichtung nach Anspruch 4, bei der jede Fördereinrichtung (E, F) von drei paar-weise in Querrichtung im Abstand angeordneten Saugbändern (3) gebildet wird.
6. Führungsvorrichtung nach Anspruch 4 oder 5, bei der eine Einrichtung (9c) vorgesehen ist, die wenigstens eine Saugöffnung (9) wenigstens eines Saugbandes (3) verschließt.
7. Führungsvorrichtung nach einem der Ansprüche 4 bis 6, bei der eine entsprechende kastenartige Kammer (6) jedem der Saugbänder (3) zugeordnet ist, der Teil jeder Kammer (6), der dem zugeordneten Saugband (3) zugewandt ist, durch eine gekrümmte, in Längsrichtung geschlitzte Platte abgesperrt ist und bei der die Kammern mit einer Vakuumpumpe über eine Einlaßhauptleitung (7) verbunden sind, wobei die Auslegung derart getroffen ist, daß jedes Saugband (3) über die zugeordnete, gekrümmte und in Längsrichtung geschlitzte Platte geht, so daß die Saugöffnungen (9) der Bänder (3) ständig einem Unterdruck ausgesetzt werden können.
8. Führungsvorrichtung nach einem der Ansprüche 4 bis 7, bei der jedes Saugband (3) eine gerade Anzahl von Sätzen von Saugöffnungen (9) hat.
9. Führungsvorrichtung nach Anspruch 8, bei der vier Sätze von Saugöffnungen (9) vorgesehen sind.
10. Führungsvorrichtung nach Anspruch 8 oder 9, bei der jeder Satz von Saugöffnungen (9) wenigstens eine Saugöffnung hat.
11. Führungsvorrichtung nach Anspruch 10, bei der jeder Satz von Saugöffnungen (9) zwei Saugöffnungen hat.
12. Führungsvorrichtung nach einem der Ansprüche 4 bis 11, bei der die Sätze von Saugöffnungen (9) jedes Saugbandes (3) in gleichen Abständen angeordnet sind.
13. Anlage zur Abgabe von Bögen, die eine Fördereinrichtung (A) zur Aufnahme einer Folge einer Mehrzahl von Reihen von Bögen (1) von einer stromaufwärtigen Verarbeitungseinheit, eine Führungsvorrichtung (B), die stromab der Fördereinrichtung angeordnet ist, und erste und zweite Paare von Zängeeinheiten (Ci, C2; D1, D2) aufweist, die stromab der Führungsvorrichtung angeordnet sind, bei der die Führungsvorrichtung (B) wie in einem der Ansprüche 1 bis 12 angegeben ausgelegt ist, bei der die zugeordneten Zängeeinheiten des ersten Paares von Zängeeinheiten (Ci, C2) an den stromabwärtigen Enden der ersten und zweiten Fördereinrichtung (E, F) angeordnet sind und bei der die zugeordneten Zängeeinheiten des zweiten Paares von Zängeeinheiten (Di, 02) an den stromabwärtigen Enden der Zängeeinheiten des ersten Paares (C1, C2) angeordnet sind.
EP84302223A 1983-03-31 1984-03-30 Leitvorrichtung in einer Einrichtung zum Ausgeben von Pappbögen Expired EP0121432B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT84302223T ATE31284T1 (de) 1983-03-31 1984-03-30 Leitvorrichtung in einer einrichtung zum ausgeben von pappboegen.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8309038 1983-03-31
GB838309038A GB8309038D0 (en) 1983-03-31 1983-03-31 Guide apparatus for carton blank delivery system

Publications (3)

Publication Number Publication Date
EP0121432A2 EP0121432A2 (de) 1984-10-10
EP0121432A3 EP0121432A3 (en) 1986-01-22
EP0121432B1 true EP0121432B1 (de) 1987-12-09

Family

ID=10540583

Family Applications (1)

Application Number Title Priority Date Filing Date
EP84302223A Expired EP0121432B1 (de) 1983-03-31 1984-03-30 Leitvorrichtung in einer Einrichtung zum Ausgeben von Pappbögen

Country Status (12)

Country Link
EP (1) EP0121432B1 (de)
JP (1) JPS59224331A (de)
KR (1) KR840007921A (de)
AT (1) ATE31284T1 (de)
CA (1) CA1204405A (de)
DE (1) DE3468002D1 (de)
DK (1) DK159648C (de)
ES (1) ES531439A0 (de)
GB (1) GB8309038D0 (de)
IE (1) IE55066B1 (de)
SG (1) SG15488G (de)
ZA (1) ZA842392B (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4141143A1 (de) * 1991-12-13 1993-06-17 Winkler Duennebier Kg Masch Vorrichtung zum falten und verpacken von hygieneprodukten
US5295586A (en) * 1991-12-16 1994-03-22 E. I. Du Pont De Nemours And Company Apparatus for separating a sheet from an array of sheets
IT1292593B1 (it) * 1997-06-02 1999-02-08 Gd Spa Dispositivo per il taglio di un nastro di materiale in foglio in spezzoni
AU5972799A (en) * 1998-09-08 2000-03-27 Schober Gmbh Werkzeug- Und Maschinenbau Rotational cutting device
DE10354671A1 (de) * 2003-11-22 2005-06-16 Bhs Corrugated Maschinen- Und Anlagenbau Gmbh Weiche für in mehrere Teil-Bahnen aufzuteilende Bahn
DE102004023318B4 (de) * 2004-05-07 2008-04-17 Man Roland Druckmaschinen Ag Falzeinrichtung für Druckmaschinen oder Falzapparate
EP1931581B1 (de) * 2005-10-04 2009-08-19 Richard Nissen Vakuumhaltevorrichtung
DE102009031115A1 (de) 2009-06-30 2011-01-05 Eastman Kodak Company Bogentransportvorrichtung
WO2016132325A2 (en) * 2015-02-19 2016-08-25 Dandekar Sanjay Madhav A method and a system for deflecting cartons

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3408065A (en) * 1966-11-14 1968-10-29 Gaf Corp Sheet handling apparatus for use in a reproduction machine
US3659840A (en) * 1970-06-15 1972-05-02 Connecticut Bank And Trust Co Vacuum gate
US3861259A (en) * 1973-06-04 1975-01-21 Harris Intertype Corp Sheet delivery system
JPS5517740A (en) * 1978-07-21 1980-02-07 Toyota Motor Corp Drum brake

Also Published As

Publication number Publication date
IE840773L (en) 1984-09-30
DK167684A (da) 1984-10-01
DE3468002D1 (en) 1988-01-21
EP0121432A2 (de) 1984-10-10
DK159648B (da) 1990-11-12
EP0121432A3 (en) 1986-01-22
DK159648C (da) 1991-04-29
ZA842392B (en) 1985-04-24
DK167684D0 (da) 1984-03-26
JPS59224331A (ja) 1984-12-17
ATE31284T1 (de) 1987-12-15
ES8503619A1 (es) 1985-03-01
ES531439A0 (es) 1985-03-01
CA1204405A (en) 1986-05-13
GB8309038D0 (en) 1983-05-11
SG15488G (en) 1988-07-08
KR840007921A (ko) 1984-12-11
IE55066B1 (en) 1990-05-09

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