EP0111210B1 - Dispositif d'enveloppement d'articles avec une feuille en matière plastique ou similaire - Google Patents

Dispositif d'enveloppement d'articles avec une feuille en matière plastique ou similaire Download PDF

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Publication number
EP0111210B1
EP0111210B1 EP83111686A EP83111686A EP0111210B1 EP 0111210 B1 EP0111210 B1 EP 0111210B1 EP 83111686 A EP83111686 A EP 83111686A EP 83111686 A EP83111686 A EP 83111686A EP 0111210 B1 EP0111210 B1 EP 0111210B1
Authority
EP
European Patent Office
Prior art keywords
welding
conveyor belt
drive
slide
crank
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
EP83111686A
Other languages
German (de)
English (en)
Other versions
EP0111210A1 (fr
Inventor
Claus K. Pfankuch
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP0111210A1 publication Critical patent/EP0111210A1/fr
Application granted granted Critical
Publication of EP0111210B1 publication Critical patent/EP0111210B1/fr
Expired legal-status Critical Current

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Classifications

    • 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
    • B65B61/00—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages
    • B65B61/04—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages for severing webs, or for separating joined packages
    • B65B61/06—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages for severing webs, or for separating joined packages by cutting
    • 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
    • B65B51/00—Devices for, or methods of, sealing or securing package folds or closures; Devices for gathering or twisting wrappers, or necks of bags
    • B65B51/10—Applying or generating heat or pressure or combinations thereof
    • B65B51/26—Devices specially adapted for producing transverse or longitudinal seams in webs or tubes
    • B65B51/30—Devices, e.g. jaws, for applying pressure and heat, e.g. for subdividing filled tubes
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
    • Y10T156/12—Surface bonding means and/or assembly means with cutting, punching, piercing, severing or tearing
    • Y10T156/1313—Cutting element simultaneously bonds [e.g., cut seaming]

Definitions

  • the invention relates to a device according to the preamble of patent claim 1.
  • two film webs are normally drawn off from corresponding supply rolls and fed to the welding device.
  • the objects to be wrapped or packaged are introduced into the space between the two film webs.
  • film or “film web” is therefore understood to mean both a folded film web and two film webs fed separately one above the other.
  • the welding is preferably a separating welding so that the wrapped and packaged objects are led out of the device for further handling as individual packages.
  • the welding is carried out by welding bars which are pressed onto the film from above. Corresponding counter bearings are located below the film.
  • the conveying process is interrupted during the welding, i.e. the mode of operation is discontinuous in order to avoid that the welding bars have to be moved with the film and the objects during the short welding process.
  • a device for processing and welding pre-cut pieces of tubing made of plastic film is known, which are processed into sacks or bags.
  • the tube pieces are transversely to their longitudinal axis, i.e. with its openings lying to the side, fed to a welding device on a table.
  • the welding device is provided with cross-welding bars, which are moved down onto the tube pieces in order to produce a weld seam - no separating weld seam - and to advance the tube pieces during this welding process to the next processing station on the table top, the next processing station again being a welding device to complete the welding seams .
  • the cross welding beams are driven and moved by means of crank drives which are arranged below the table top. There is no conveyor belt. Also, no objects are encased, but only weld seams are generated, which also do not ensure separation at the same time (DE-OS 1454999).
  • the invention is based on the object of providing a device of the type mentioned at the outset which operates continuously and nevertheless enables a safe separation of the encased and welded objects.
  • crank drives which are arranged below the conveyor belt and have a common drive. This common drive is then in turn synchronized with the drive of the conveyor belt.
  • the second crank mechanism is provided with a link which enables the stroke to be adjusted, it is in particular possible to adjust the spacing of the transverse weld seams from one another and thus to allow adaptation to the speed of the conveyor belt.
  • the adjustment of the cross-weld seams allows adaptation to different dimensions of the objects to be wrapped.
  • the conveyor belt advantageously runs over an abutment plate made of mineral material, for example glass, which enables the conveyor belt to move slightly relative to it, has a smooth and very flat surface and forms a good, firm and uncompromising counter-bearing for the welding beams.
  • the device shown in the drawing has a machine frame 1 on which corresponding receptacles and bearings for two supply rolls 2 and 3 for foils 4 and 5 are provided.
  • the foils are guided over deflection rollers 6 into the area in which a feed conveyor 7 with pivotable carriers 7a ends.
  • This conveyor 7 with the aid of its drivers 7a, serves to feed the objects K to be packaged, which are introduced into the space between the two foils.
  • the objects rest on guide rails 8, between which the drivers 7a engage. After leaving the area of the guide rails, the drivers 7a are pivoted back.
  • the lower film 5 is fed around the deflection roller 10 of an endless conveyor belt 11 from below, whereas the upper film 4 is fed around the deflection roller 6 from above.
  • the conveyor belt 11 runs somewhat faster than the foils 4 and 5, so that as long as the welding has not taken place, there is little slip, i.e. there is a relative movement between conveyor belt 11 and foils 4 and 5.
  • the welding device consists of a transverse welding bar 16 and two longitudinal welding bars 17.
  • the transverse welding bar 16 produces transverse welding seams 9.
  • the longitudinal welding bars 17 produce the continuously lateral welding seams. These weld seams are separating weld seams, i.e. not only is the welding of the films lying against one another, but at the same time a separation is provided. Due to the fact that the conveyor belt 11 runs somewhat faster, this separation produced during welding is enlarged somewhat and thus secured one hundred percent. After complete separation, the packaged objects move at the speed of the conveyor belt 11. The edge strips falling off to the side can be removed by suction devices, not shown.
  • the welding bars 16 and 17 are arranged on a carriage which consists of cross struts 13 and 14 which are connected to one another by a spindle 15 and are adjustable relative to one another.
  • the cross struts 13 and 14 are displaceable on longitudinal rods 19 with the aid of ball guides, specifically in the direction of the movement of the conveyor belt 11 and in the opposite direction.
  • the upper longitudinal bars 19 together with posts 18, cross bars 20, lower longitudinal bars 21 and cross connections 23 form a spatial frame. This is guided on the posts 18 with guides 22 and can thus be moved up and down.
  • the frame is moved up and down by a crank or eccentric drive with an eccentric disk 25 on which an eccentric follower roller 26 rests. This is rotatably mounted on the cross connection 23.
  • the eccentric disc 25 is fastened with the aid of a hub 32 on a shaft 35 which is mounted in the machine frame 1.
  • the shaft 35 is provided with two sprockets 34. This can best be seen in FIG. 3.
  • a second crank drive which consists of a crank disk 31 and a connecting rod 27, provides for the back and forth movement of the slide essentially formed by the cross struts 13 and 14.
  • the connecting rod 27 is displaceable in a link 28 of the crank disk 31 for adjusting the stroke.
  • the connecting rod in the illustrated embodiment is formed in two parts, i.e. the two parts of the connecting rod cranked to one side are each connected to a vertical strut 24 at 29.
  • Each vertical strut 24 is firmly connected to the cross bar 13 above.
  • the vertical struts 24 are practically part of the carriage and can be moved back and forth on the longitudinal rods 19 and 21.
  • the two crank drives are driven together via chains 30 which run over the chain wheels 34 and over a chain wheel 33 which is seated on a shaft 36.
  • the shaft 36 carries the crank disk 31.
  • the two crank mechanisms i.e. the eccentric disk 25 and the crank disk 31 can be arranged on a shaft, for example on the shaft 35.
  • the connecting rod is shorter and it is not necessary to split it into two laterally cranked parts, as shown in FIG. 2.
  • the conveyor belt 11 runs with its upper belt on a plate 11 made of mineral material, preferably glass. This not only allows a slight movement, but at the same time a good and stable abutment for the welding bars is formed during the welding process.
  • the two foils 4 and 5 are fed from the supply rolls 2 and 3 so that the objects K lie between them.
  • the entire spatial frame in the guides 22 is moved downward by the first crank mechanism.
  • the eccentric 25 of the first crank mechanism occupies its highest position.
  • the eccentric follower roller 26 follows the eccentric disk 25 due to its own weight.
  • the setting by the link 28 of the second crank drive is made such that when the welding bars 16, 17 reach the foils and carry out the electrical resistance welding, the slide with the welding bars is moved synchronously with the foils and the objects.
  • the first crank drive ensures that the welding bars with the entire frame are moved up again.
  • the slide is moved back into its starting position by the second crank mechanism. The next weld can begin.

Claims (7)

1. Dispositif pour envelopper des objets avec une feuille en matière plastique ou équivalent, équipé d'une bande transporteuse (11) qui amène les objets emballés (K) à un appareil à souder qui est mobile vers le haut et vers le bas et qui les sort de cet appareil à souder qui présente une mâchoire à souder transversale (16), la mâchoire à souder transversale étant fixée à un coulisseau (13, 14) que l'on peut avancer ou reculer par rapport au sens du transport, le déplacement vers le haut et vers le bas de la mâchoire à souder transversale étant réalisé par une première commande (25), caractérisé en ce que l'appareil à souder présente, en plus de la mâchoire à souder longitudinale (17), que le coulisseau (13, 14) est guidé le long d'un cadre (18, 20, 23) passant autour de la bande transporteuse (11 que le cadre est déplaçable vers le haut et vers le bas par la première commande (25) et que la bande transporteuse (11) est commandée, pour la séparation des objets K enveloppés et soudés, à une vitesse qui est légèrement supérieure à la vitesse à laquelle la feuille est amenée.
2. Dispositif selon la revendication 1, caractérisé en ce que la première commande est une commande à bielle (25).
3. Dispositif selon la revendication 2, caractérisé en ce que le coulisseau (13, 14) peut être avancé et reculé par une deuxième commande à bielle (26, 27) qui présente une commande commune (30) avec la première commande à bielle (25).
4. Dispositif selon la revendication 3, caractérisé en ce que la deuxième commande à bielle (26, 27) présente une coulisse (28) pour régler la levée du déplacement du coulisseau qu'elle a provoqué.
5. Dispositif selon la revendication 3, caractérisé en ce que la première et la deuxième commande à bielle (25 et 26, 27) sont placées en dessous de la bande transporteuse (11).
6. Dispositif selon la revendication 1, caractérisé en ce que les mâchoires à souder (16, 17) sont placées sur les traverses (13, 14) qui forment le coulisseau qui sont réglables l'une par rapport à l'autre par une broche (15).
7. Dispositif selon la revendication 1, caractérisé en ce que la bande transporteuse (11) passe dans la zone des mâchoires à souder (16, 17) sur une plaque de butée (11a) qui est de préférence en matière minérale.
EP83111686A 1982-12-07 1983-11-23 Dispositif d'enveloppement d'articles avec une feuille en matière plastique ou similaire Expired EP0111210B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3245156 1982-12-07
DE3245156 1982-12-07

Publications (2)

Publication Number Publication Date
EP0111210A1 EP0111210A1 (fr) 1984-06-20
EP0111210B1 true EP0111210B1 (fr) 1986-10-29

Family

ID=6179966

Family Applications (1)

Application Number Title Priority Date Filing Date
EP83111686A Expired EP0111210B1 (fr) 1982-12-07 1983-11-23 Dispositif d'enveloppement d'articles avec une feuille en matière plastique ou similaire

Country Status (4)

Country Link
US (1) US4563860A (fr)
EP (1) EP0111210B1 (fr)
CA (1) CA1245541A (fr)
DE (1) DE3367190D1 (fr)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3446409A1 (de) * 1984-12-20 1986-06-26 Focke & Co (GmbH & Co), 2810 Verden Verfahren und vorrichtung zum herstellen von (tabak-)beuteln
US5269123A (en) * 1989-12-29 1993-12-14 Massimo Marchesini Device for sealing a film onto a blister band, particularly a polypropylene band
IT1251688B (it) * 1991-10-14 1995-05-19 Sitma Spa Apparecchiatura di stiro di una pellicola continua plastica in una macchina confezionatrice.
ES2112131B1 (es) * 1994-04-29 1998-11-01 Ulma S Coop Ltada Mejoras introducidas en maquinas envolvedoras de bandejas con film.
JPH10509936A (ja) * 1994-12-06 1998-09-29 シーグ シュバイツェリッシェ インダストリエ−ゲゼルシャフト チューブ状バッグ包装機械用の横断シール装置
US5732529A (en) * 1996-03-29 1998-03-31 Ethicon, Inc. Apparatus for feeding foil stock in a process for making sealed sterile packages
DE10347775B4 (de) * 2003-10-15 2006-07-13 Uhlmann Pac-Systeme Gmbh & Co. Kg. Arbeitsstation
ES2390674T3 (es) * 2004-05-07 2012-11-15 I.M.A. Industria Macchine Automatiche S.P.A. Máquina para la formación de blisteres para producir paquetes tipo blister
ITMI20080392A1 (it) * 2008-03-10 2009-09-11 Sitma Spa Gruppo confezionatore ad alta velocita' e macchina confezionatrice dotata di tale gruppo
EP2514678A1 (fr) * 2011-04-18 2012-10-24 Beck Packautomaten GmbH & Co. KG Dispositif d'entraînement pour une machine d'emballage de feuilles
CN103387066A (zh) * 2013-08-13 2013-11-13 新麦机械（无锡）有限公司 一种用于扎口机与输送机同步的连杆机构
WO2018039385A1 (fr) * 2016-08-23 2018-03-01 Automated Solotions, Llc Systèmes de formation d'emballages et procédés associés
CN108945636A (zh) * 2018-04-20 2018-12-07 深圳市卓翼科技股份有限公司 封口机及封口方法
CN109606847B (zh) * 2018-12-25 2020-09-01 福州大学 一种湿纸巾外包装双工位同步热封剪切机构及其工作方法
CN109625470A (zh) * 2018-12-28 2019-04-16 上海三渠智能科技有限公司 带有菱形切刀的包装袋废边切除装置

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1331077A (fr) * 1962-08-10 1963-06-28 Gram Brdr As Procédé d'emballage d'objets et appareils pour la mise en oeuvre de ce procédé
US3339337A (en) * 1964-10-08 1967-09-05 Raymond I Rapp Envelope, apparatus and method for making and filling envelopes
USRE29043E (en) * 1966-12-02 1976-11-23 Kabushiki Kaisha Seisan Nihon Sha Method and apparatus for manufacturing synthetic resin bags having occludent means in the inside surface thereof
US3511024A (en) * 1968-02-05 1970-05-12 Marbury S Machine Works Machine for wrapping articles
US3564810A (en) * 1968-05-27 1971-02-23 Ollie B Wilson Jr Wrapping method and apparatus
DE2008595C2 (de) * 1969-02-26 1983-05-05 Sitma International S.A., Luxembourg Vorichtung zum Schweißen und Trennen von Kunststoffolien an einer Verpackungsmaschine
NL7004987A (fr) * 1969-05-27 1970-12-01
GB1523122A (en) * 1974-10-12 1978-08-31 Metal Box Co Ltd Packaging machines
IT1028456B (it) * 1975-01-17 1979-01-30 Sitund Holdings S A Dispositivo di saldatura e taglio per macchine da imballaggio
US4141196A (en) * 1977-10-11 1979-02-27 Oliver Machinery Company Seal wrapping machine
DE3234227C2 (de) * 1981-12-01 1985-05-09 Windmöller & Hölscher, 4540 Lengerich Vorrichtung zum Anbringen von Querschweißnähten oder Querschweißtrennähten an kontinuierlich geförderten schlauch- oder halbschlauchförmigen Folienbahnen

Also Published As

Publication number Publication date
EP0111210A1 (fr) 1984-06-20
US4563860A (en) 1986-01-14
CA1245541A (fr) 1988-11-29
DE3367190D1 (en) 1986-12-04

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