EP0879761B2 - Procédé et dispositif pour la manutention de flans - Google Patents

Procédé et dispositif pour la manutention de flans Download PDF

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Publication number
EP0879761B2
EP0879761B2 EP98108666A EP98108666A EP0879761B2 EP 0879761 B2 EP0879761 B2 EP 0879761B2 EP 98108666 A EP98108666 A EP 98108666A EP 98108666 A EP98108666 A EP 98108666A EP 0879761 B2 EP0879761 B2 EP 0879761B2
Authority
EP
European Patent Office
Prior art keywords
suction
material web
vacuum pump
blank
blanks
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
EP98108666A
Other languages
German (de)
English (en)
Other versions
EP0879761B1 (fr
EP0879761B9 (fr
EP0879761A1 (fr
Inventor
Heinz Focke
Hans-Jürgen Bretthauer
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.)
Focke and Co GmbH and Co KG
Original Assignee
Focke and Co GmbH and Co KG
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
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Application filed by Focke and Co GmbH and Co KG filed Critical Focke and Co GmbH and Co KG
Publication of EP0879761A1 publication Critical patent/EP0879761A1/fr
Publication of EP0879761B1 publication Critical patent/EP0879761B1/fr
Application granted granted Critical
Publication of EP0879761B2 publication Critical patent/EP0879761B2/fr
Publication of EP0879761B9 publication Critical patent/EP0879761B9/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
    • B65H5/22—Feeding articles separated from piles; Feeding articles to machines by air-blast or suction device
    • B65H5/222—Feeding articles separated from piles; Feeding articles to machines by air-blast or suction device by suction devices
    • B65H5/226—Feeding articles separated from piles; Feeding articles to machines by air-blast or suction device by suction devices by suction rollers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B19/00—Packaging rod-shaped or tubular articles susceptible to damage by abrasion or pressure, e.g. cigarettes, cigars, macaroni, spaghetti, drinking straws or welding electrodes
    • B65B19/02—Packaging cigarettes
    • B65B19/22—Wrapping the cigarettes; Packaging the cigarettes in containers formed by folding wrapping material around formers
    • B65B19/228—Preparing and feeding blanks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2513/00—Dynamic entities; Timing aspects
    • B65H2513/10—Speed
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2515/00—Physical entities not provided for in groups B65H2511/00 or B65H2513/00
    • B65H2515/30—Forces; Stresses
    • B65H2515/34—Pressure, e.g. fluid pressure

Definitions

  • the invention relates to a method for transporting blanks, which are successively separated from a material web, in particular for the production of cigarette packs, in conjunction with a packaging unit, wherein the blanks abut during the separation of the web and then on a suction conveyor, in particular on a rotating conveyor roller with suction holes, and wherein the blanks or the material web lie partially slipping on the suction conveyor or the conveyor roller during the separation. Furthermore, the invention relates to a device for carrying out the method.
  • a method according to the preamble of claim 1 and a device according to the preamble of claim 4 are known from DE-A-19644079.
  • thin-walled blanks made of paper, foil or the like are produced in the region of the packaging machine by separating from a continuous material web and fed to the packaging process, thus in particular to a folding turret.
  • the blanks separated from the material web are transferred to a conveying member which is acted upon by suction air, in particular applied to the circumference of a conveying roller with suction bores.
  • suction air in particular applied to the circumference of a conveying roller with suction bores.
  • the material web is fed to the feed roller and the blank is cut off when it already rests on the circumference of the feed roller with the predominant area.
  • the transport of the web or the blank by the suction conveyor during the separation from the web can cause problems.
  • the tensile force acting on the material web or the blank by the conveying member leads to imprecise separating cuts and / or to a misalignment of the blank on the suction conveyor. It is customary that the material web or the blank slips on the suction conveyor or on the conveyor roller.
  • the invention has for its object to improve the separation of blanks from a web with simultaneous removal of the blank by a suction conveyor with respect to the implementation of the separating cut and / or the position of the blank.
  • the method according to the invention is characterized in that in the region of the suction conveyor or the conveyor roller acting on the web or on the blank holding or suction force according to different operating conditions of the packaging unit is variable such that a precisely executed separating cut for separating the blanks from the material web is feasible, namely such that at lower clock or speed lower holding or suction and at higher cycle or speed higher holding or suction on the web or the blank acts.
  • a device according to the invention has the features of claim 4.
  • the invention is based on the finding that, for a precise execution of the severing cut or for an exact positioning of the blank during further transport, the suction force exerted on the material web or blank in the region of the suction conveyor or in the area of the conveying roller is of importance. According to the findings of the invention is at a lower conveying speed of the suction conveyor, ie at a lower speed of the feed roller to provide a lower suction and at higher cycle speed or speed, a correspondingly higher suction. Accordingly, according to the invention, the suction force acting on the suction conveyor or on the conveying roller is controlled as a function of the operating state of the packaging machine.
  • the suction conveyor consists of a fitted with suction holes, rotatably driven conveyor roller.
  • the conveyor roller or its distributed along the circumference arranged suction holes are acted upon by a vacuum unit with suction, preferably by a (commercial) vacuum pump.
  • Their suction power is controlled according to the invention in accordance with the operating speed of the packaging machine or speed of the feed roller.
  • the vacuum pump is designed so that the negative pressure is generated by means of compressed air, which is converted into negative pressure within the vacuum pump.
  • the negative pressure is changed by controlling the supplied compressed air, in particular by means of an (electric) pressure control valve in the leading to the vacuum pump compressed air line.
  • Fig. 1 shows a possible, preferred application example for the handling of blanks 10.
  • This can be a blank made of paper or tinfoil, which serves for wrapping a group of cigarettes (not shown).
  • the blanks 10 are separated successively from a continuous material web 11 of the packaging material.
  • the material web 11 in turn is withdrawn from a reel (not shown).
  • the vacuum in the region of the suction bores 20 is the working speed or cycle speed of the packaging machine.
  • This in turn is suitably controlled by the supply of the package contents, ie the cigarettes and / or the packaging material.
  • An example of the control of the packaging machine in accordance with the provision of cigarettes is the subject of DE 196 35 598.2.
  • the content of a cigarette storage is monitored and the working speed of the packaging machine adapted thereto.
  • the suction force of the suction holes 20 is adapted to the rotational speed of the conveyor roller 19 and thus to the peripheral speed thereof. Specifically, at a greater speed, a greater holding force on the circumference of the conveyor roller 10 is generated by a stronger vacuum. At lower rotational speed, the suction force is reduced by appropriate control of the vacuum pump 29. The optimum results are expediently determined empirically.
  • Another special feature is the measure for controlling the vacuum or negative pressure generated in the line 28, that is at the outlet of the vacuum pump 29, by the vacuum pump 29.
  • the power of the vacuum pump 29 is controlled indirectly, namely via the supply of compressed air.
  • the pressure control valve 35 in the compressed air line 33 about the electrical control line (terminal 36), the supply of compressed air to the vacuum pump 29 can be controlled.
  • the pressure regulating valve 35 expediently operates in such a way that a corresponding reduction of the pressure in the pressure line 33 is effected when the voltage changes due to the electrical control line. For example, at 10 V the pressure may be 2 bar, at 5 V the pressure may be 1 bar.
  • the corresponding control data are taken from the operating state of the Verpakkungsmaschine or from the rotational speed of the conveyor roller 19th
  • the regulation of the negative pressure for conveying material webs and blanks can also be used in other (endless) conveying members, for. B. in Saugb.
  • the described control of vacuum pumps via the air pressure can also be used in another context.
  • the correlation between the operating speed or cycle speed of the packaging machine and thus the speed of the conveyor roller 19 to the suction pressure in the region of the suction holes 20 is shown in a diagram according to FIG. 3.
  • the abscissa 37 shows the possible speeds or work cycles of the packaging machine.
  • the ordinate 38 shows (indirectly) the suction or holding force at the suction holes 20.
  • the pressure set in the compressed air line 33 by the pressure regulating valve 35 is shown.
  • the numbers on the ordinate 38 indicate the overpressure.
  • the correlation can be read from a curve 39.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Wrapping Of Specific Fragile Articles (AREA)
  • Auxiliary Devices For And Details Of Packaging Control (AREA)
  • Manufacturing Of Cigar And Cigarette Tobacco (AREA)
  • Making Paper Articles (AREA)
  • Feeding Of Articles By Means Other Than Belts Or Rollers (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Advancing Webs (AREA)

Claims (7)

  1. Procédé de production et de transport de découpes (10) qui sont détachées l'une après l'autre d'une bande de matériau (11), en particulier pour la fabrication de paquets de cigarettes, en association avec un dispositif d'empaquetage, dans lequel les découpes (10), pendant le détachement de la bande de matériau (11) et après cela, s'appuient sur un transporteur aspirant, en particulier sur un rouleau transporteur tournant (19) pourvu de trous d'aspiration (20), les découpes (10) ou la bande de matériau (11) pendant la séparation étant déposées partiellement glissées dans le transporteur aspirant ou le rouleau du transporteur (19), caractérisé par le fait que la force de maintien ou d'aspiration qui agit sur la bande de matériau (11) ou sur la découpe (10) dans la zone du transporteur aspirant ou du rouleau transporteur (19) peut être modifiée d'après différents états de fonctionnement du dispositif d'empaquetage, une coupe de détachement exécutée avec précision est réalisable pour séparer la découpe (10) de la bande de matériau (11), en particulier de façon telle que sur la bande de matériau (11) ou la découpe (10) agisse, en cas de plus basse cadence ou vitesse de rotation, une plus faible force de maintien ou d'aspiration et, en cas de plus haute cadence ou vitesse de rotation, une plus haute force de maintien ou d'aspiration.
  2. Procédé selon la revendication 1, caractérisé par le fait qu'une dépression est produite sur le transporteur aspirant ou sur le rouleau transporteur (19) par un dispositif de dépression, en particulier par une pompe à vide (29), et que le débit d'aspiration de la pompe à vide (29) est régulé.
  3. Procédé selon la revendication 2, caractérisé par le fait que la pompe à vide (29) fonctionne à l'air comprimé et que la force d'aspiration de la pompe à vide (29) est régulée par modification de la pression de l'air comprimé apporté.
  4. Dispositif de détachement et de transport de découpes (10) d'une bande de matériau (11) avec transport continu de celle-ci, en particulier pour la fabrication de paquets de cigarettes, en association avec un dispositif d'empaquetage, en particulier un revolver le pliage (23), dans lequel les découpes (10), pendant le détachement de celles-ci de la bande de matériau (11) et après cela, s'appuient sur un transporteur de découpes soumis à l'action d'air aspiré, en particulier sur une rouleau transporteur tournant de façon continue (19) pourvu de trous d'aspiration (20) pour le maintien de la bande de matériau (11), caractérisé par le fait que le transporteur de découpes, en particulier le rouleau transporteur (19) ou ses trous d'aspiration (20), sont reliés à une source de dépression, en particulier à une pompe à vide (29), et que la force d'aspiration de la source de dépression ou de la pompe à vide (29) peut être modifiée d'après la vitesse de transport du transporteur de découpes, en particulier du rouleau transporteur (19) pour la réalisation d'une coupe de détachement exécutée avec précision pour séparer la découpe (10) de la bande de matériau (11), en effet de façon telle que sur la bande de matériau (11) ou la découpe (10) agisse, en cas de plus basse cadence ou vitesse de rotation, une plus faible force de maintien ou d'aspiration et, en cas de plus haute cadence ou vitesse de rotation, une plus haute force de maintien ou d'aspiration.
  5. Dispositif selon la revendication 4, caractérisé par le fait que la pompe à vide (29) fonctionne à l'air comprimé et que pour la modification de la force d'aspiration de la pompe à vide (29), l'apport d'air comprimé à la pompe à vide (29) est réglable.
  6. Dispositif selon l'une des revendications 4 et 5, caractérisé par le fait que de l'air comprimé peut être apporté à la pompe à vide (29) par une conduite d'air comprimé (33), et que sur la conduite d'air comprimé (33) est monté un organe de modification réglable de la pression de l'air comprimé, en particulier un régulateur de pression (réglable électriquement) (35).
  7. Dispositif selon la revendication 6 et une des autres revendications, caractérisé par le fait que la pompe à vide (29) ou sa conduite d'air comprimé (33) est reliée à un système central d'air comprimé de la machine (d'empaquetage), en particulier par la conduite d'air comprimé (33), et que le régulateur de pression (35) est monté entre une conduite centrale (34) et la conduite d'air comprimé (33).
EP98108666A 1997-05-21 1998-05-13 Procédé et dispositif pour la manutention de flans Expired - Lifetime EP0879761B9 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19721144 1997-05-21
DE19721144A DE19721144B4 (de) 1997-05-21 1997-05-21 Verfahren und Vorrichtung zum Handhaben von Zuschnitten

Publications (4)

Publication Number Publication Date
EP0879761A1 EP0879761A1 (fr) 1998-11-25
EP0879761B1 EP0879761B1 (fr) 2003-03-26
EP0879761B2 true EP0879761B2 (fr) 2006-11-15
EP0879761B9 EP0879761B9 (fr) 2007-02-14

Family

ID=7830019

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98108666A Expired - Lifetime EP0879761B9 (fr) 1997-05-21 1998-05-13 Procédé et dispositif pour la manutention de flans

Country Status (6)

Country Link
EP (1) EP0879761B9 (fr)
JP (1) JP4169825B2 (fr)
CN (1) CN1069601C (fr)
BR (1) BR9801666A (fr)
DE (2) DE19721144B4 (fr)
ES (1) ES2196424T5 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1645511B1 (fr) * 2003-07-16 2009-10-14 Japan Tobacco Inc. Appareil alimentateur de materiau d'emballage interne pour l'emballage d'un paquet de cigarettes
JP4726674B2 (ja) * 2006-03-29 2011-07-20 花王株式会社 シート切断方法及び装置
CN102001474B (zh) * 2010-11-08 2012-07-25 罗丽亚 供膜包装机构及物品供膜包装方法
DE102011113401A1 (de) * 2011-09-16 2013-03-21 Focke & Co. (Gmbh & Co. Kg) Verfahren und Vorrichtung zum Herstellen von Zigaretten-Packungen
CN105173861A (zh) * 2015-09-11 2015-12-23 苏州爱可姆机械有限公司 一种真空吸附辊装置
DE102016001297A1 (de) * 2015-12-10 2017-06-14 Focke & Co. (Gmbh & Co. Kg) Packung für Zigaretten sowie Verfahren und Vorrichtung zum Herstellen derselben

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES329892A1 (es) * 1966-02-25 1967-06-01 Mead Corp Un mecanismo alimentador.
GB1569124A (en) * 1976-02-05 1980-06-11 Molins Ltd Production of two-piece wrappers
DE2906204A1 (de) * 1979-02-17 1980-09-04 Focke & Co Vorrichtung zum einhuellen von gegenstaenden, insbesondere zigaretten- gruppen
IT1133485B (it) * 1980-08-29 1986-07-09 Cir Spa Divisione Sasib Dispositivo per la regolazione automatica dell aspriazione negli alveoli di un tamburo trasferitore pneumatico
US4607477A (en) * 1983-04-15 1986-08-26 Molins Plc Cigarette packing machines
DE3340408A1 (de) * 1983-11-09 1985-05-15 Focke & Co, 2810 Verden Vorrichtung zum einhuellen von gegenstaenden, insbesondere zigaretten-gruppen
JPS6135776A (ja) * 1984-07-18 1986-02-20 ハウニ‐ウエルケ・ケールベル・ウント・コンパニー・コマンデイトゲゼルシヤフト たばこ加工産業における機械、特にシガレツト製造機における空気消費量を制御するための方法
DE3545884C2 (de) * 1985-12-23 1998-10-22 Focke & Co Vorrichtung zum Herstellen von (Zigaretten-) Packungen aus mindestens einem faltbaren Zuschnitt
FR2672579B1 (fr) * 1991-02-11 1994-02-11 Komori Chambon Sa Dispositif d'alimentation pour une machine travaillant periodiquement sur une nappe de materiau a l'arret, notamment une presse a decouper a plat.
US5327702A (en) * 1991-08-01 1994-07-12 Molins Plc Wrapping articles
IT1257834B (it) * 1992-06-17 1996-02-13 Gd Spa Metodo e dispositivo per l'alimentazione di spezzoni di materiali di incarto in una macchina impacchettatrice di sigarette
CH688893A5 (de) * 1994-05-11 1998-05-15 De La Rue Giori Sa Zugwalze zum Transport einer Materialbahn, insbesondere einer Papierbahn in einer Rollendruckmaschine.
DE19635598A1 (de) * 1996-09-02 1998-03-05 Focke & Co Anlage zum Handhaben von insbesondere Zigaretten
DE19644079A1 (de) * 1996-10-31 1998-05-07 Focke & Co Vorrichtung zum Herstellen von Verpackungen aus dünnem Verpackungsmaterial

Also Published As

Publication number Publication date
JPH1179144A (ja) 1999-03-23
DE19721144A1 (de) 1998-11-26
EP0879761B1 (fr) 2003-03-26
EP0879761B9 (fr) 2007-02-14
CN1069601C (zh) 2001-08-15
JP4169825B2 (ja) 2008-10-22
DE19721144B4 (de) 2006-04-20
ES2196424T5 (es) 2007-06-16
DE59807602D1 (de) 2003-04-30
ES2196424T3 (es) 2003-12-16
EP0879761A1 (fr) 1998-11-25
BR9801666A (pt) 1999-09-14
CN1202444A (zh) 1998-12-23

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