EP1747996B1 - Dispositif de fermeture des clips - Google Patents

Dispositif de fermeture des clips Download PDF

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Publication number
EP1747996B1
EP1747996B1 EP06021465A EP06021465A EP1747996B1 EP 1747996 B1 EP1747996 B1 EP 1747996B1 EP 06021465 A EP06021465 A EP 06021465A EP 06021465 A EP06021465 A EP 06021465A EP 1747996 B1 EP1747996 B1 EP 1747996B1
Authority
EP
European Patent Office
Prior art keywords
feed
wire
closure device
clip
feed channel
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 - Fee Related
Application number
EP06021465A
Other languages
German (de)
English (en)
Other versions
EP1747996A1 (fr
Inventor
Max Pargätzi
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.)
Tipper Tie Alpina GmbH
Original Assignee
Tipper Tie Alpina 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 Tipper Tie Alpina GmbH filed Critical Tipper Tie Alpina GmbH
Publication of EP1747996A1 publication Critical patent/EP1747996A1/fr
Application granted granted Critical
Publication of EP1747996B1 publication Critical patent/EP1747996B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • B65B51/00—Devices for, or methods of, sealing or securing package folds or closures; Devices for gathering or twisting wrappers, or necks of bags
    • B65B51/04—Applying separate sealing or securing members, e.g. clips
    • 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
    • B65B25/00—Packaging other articles presenting special problems
    • B65B25/06—Packaging slices or specially-shaped pieces of meat, cheese, or other plastic or tacky products
    • B65B25/065—Packaging slices or specially-shaped pieces of meat, cheese, or other plastic or tacky products of meat

Definitions

  • the invention relates to a closure arrangement according to the preamble of the independent claim.
  • the object of the present invention is to improve a closure arrangement for closure clips.
  • the feed lever has a plastic support at its front end or feed end or is formed from plastic, or has a roller or ball
  • the clip wire can be spared during feed.
  • the wear of the closing arrangement itself is greatly reduced when this arrangement is in idle mode without clip wire in operation, since doing the feed end the feed lever comes into contact with the clip wire guide in the feed channel.
  • a plastic training or a rotatable role or ball-like training can significantly reduce the wear of the arrangement in this area.
  • a wire positioning and wire retention means is provided in the feed channel itself increases the positioning accuracy of the clip wire in the cutting and forming tool and avoids incorrect positioning due to the behavior of the wire, especially at high cadences of the arrangement.
  • Another aspect is the adjustability of the die on the forearm of the closure arrangement, which allows the adjustment of the cutting clearance and thus the correct clip formation in a simple manner.
  • FIG. 1 shows a closing arrangement 100 according to the prior art, by means of which the essential elements of a closing arrangement will be briefly explained again.
  • a die 118 Disposed on a forearm 116 of such an assembly is a die 118 which, together with a punch 117 on an upper arm 115 (shown in broken lines), forms a clip cutting and sealing tool consisting of a continuous preformed clip wire 112 and 112, respectively be formed.
  • the clip wire feed takes place by a feed lever 113 which is rotatably mounted on a crank disk 114 and pivots in the movement in the arrow direction about the pin 119 and performs with its front free end the indicated egg-shaped movement.
  • the scissors lace in a known manner in closely adjacent position, the package by a movement of the scissor arms and then move away from each other, which forms an elongated, constricted, product-free area of the packaging material (sausage casing) between the two sausages, in which then in the Usually two clips are set in succession, namely the end clip of one sausage-shaped package and the initial clip of the subsequent sausage-shaped package.
  • various drive elements which achieve the said movements for constricting, cutting and closing by a motor drive with chains, gears and cams. this will here, as known, not explained further.
  • the present invention relates to such a closure arrangement as far as not explained below.
  • FIG. 2 now shows a more detailed, partially sectioned representation of an inventive closure arrangement, wherein in FIG. 2 only the lower arm 2 and the wire feed is shown and the punch 4 is indicated, while the other elements, in particular the shears of the closing arrangement are not shown.
  • the clip wire 5 is also shown here as a preformed clip wire in the position in which it lies in the die 3 and is positioned for cutting between the cutting parts 37 and 38 of punch 4 and die 3.
  • the feed of the clip wire is carried out with a feed lever 11 in a known manner by this is fixed to a crank disc 12, which will be explained in more detail, and rotates about the pin 16 and moves along it.
  • the clip wire 5 is guided in a feed channel 6 with an upper part 20, in which feed channel, the front free end of the feed lever engages from below to move the clip wire in each case by a clip division forward and in the die 3 as shown position.
  • the clip wire 5 comes from a clip wire supply, not shown, which is usually a clip wire roller, which is rotatably supported on the Verschliessan extract and from which the clip wire is inserted in a manner not shown in the feed channel 6.
  • the feed channel 6 is seated on a support 7 which is rotatable about the axis 8 for lifting the feed channel and thus the clip wire 5, so that the clip wire 5 can be lifted over the blade 38 during the advance and then lowered into the die.
  • the feed channel 6 with its carrier 7 is raised during the advance by the feed lever 11, 11 'against the force of a spring 10 and the feed of the Wire causes.
  • the spring force on the other hand leads to lowering of the feed channel 6 and the clip wire 5 when the feed lever 11 is moved by the crank mechanism 12, 13 back down.
  • a cutting positioning means 24 engaging outside the feed channel at the top of the clip wire is known.
  • FIG. 3 shows a section through the feed drive along the line AA of FIG. 2 , Based on Figures 2 and 3 Now, a first aspect of the invention can be explained. Accordingly, the front free end of the feed lever 11, which acts on the clip wire and causes the lifting of the feed channel is formed in the example shown by a substantially U-shaped plastic cap 17, which forms the free end of the feed lever 11 and the feed end, which engages the clip wire 5. Side of this plastic cap 17, the free tongues 22 and 23 of the feed lever are visible, which, however, do not promote the wire but only form a lateral guide for this.
  • the formation of the front, the wire conveying end of the feed lever 11 made of plastic on the one hand has the advantage that the wire over the previous purely metallic design of the feed lever during feeding is not damaged and is not provided with engagement marks.
  • Another significant advantage is that the front part of the feed lever dips less far into the clip wire through its cap 17.
  • the - depending on the pitch of the clip wire - deep immersion of the feed lever according to the prior art can namely lead to a temporary jamming of the front part in the wire, which interferes with its exact promotion and positioning.
  • the main advantage lies in the fact that at idle the machine without wire, which may happen at the end of the wire coil and also otherwise, the upper wire guide in the feed channel 6 is not damaged. This is in FIG.
  • the upper guide 21 consists of a material to which the wire 5 in its promotion despite the force of the spring 10 easily slides along to provide as low as possible promotion even at high cadences. It is known, for example, to manufacture the upper guide 21 from bronze in order to give a good sliding behavior for an aluminum wire 5. In the embodiment of the feed lever 11 and the front end of the prior art made of metal, it comes at idle wire without a considerable wear on the guide 21 which is undesirable. This is remedied according to the first aspect of the invention, in that the plastic part 17 does not wear the guide 21 even when idling, so that its service life is substantially increased.
  • the whole front part of the feed lever 11 may be integrally formed of plastic, in particular together with the tongues 22 and 23. Further embodiments are possible, for example, by the front engaging end of the feed lever 11 of a cylindrical, rotatable about its longitudinal axis Feed lever 11 arranged roll is formed, which can also engage in the wire 5 to its promotion and which rolls at low wear on the upper guide 21 wear. Instead of a roller and the provision of a front end of the feed lever 11 with a held in a holder and partially exposed ball is possible, which rolls on idle operation on the guide 21.
  • the structurally simple and cost-effective solution with the plastic part 17 is preferred.
  • Another aspect of the invention lies in the attachment of the feed lever 11 on the crank mechanism.
  • the feed lever must be replaced for different widths of the clip wire to be adjusted in its width also to this, due to the lateral Tongues 22 and 23 can be seen which form lateral guides for the clip wire.
  • the feed lever must be unscrewed from the driven crank pulley 12 by the threaded bearing pin of the feed lever is attached to the disc is released and is fixed again for the new feed lever. This work is complicated due to the installation position of the crank mechanism.
  • the feed lever 11 is attached to the crank mechanism so that it can be attached and detached without tools.
  • a tensile force on the feed lever is exerted in such a way that the side parts of the support member 14 spread open again, so that the pin can be solved.
  • This type of assembly results in a very quick and easy tool-releasable mounting option.
  • the holding member 14 may be fastened with screws on the central part of the feed lever 11, like that FIG. 3 is apparent.
  • a circumferentially extending recess may be present, in which a corresponding shape of the retaining element 14 can engage to exact positioning in the longitudinal direction of the pin 13 to to reach.
  • a wire positioning and retaining means 25 is arranged in the feed channel, which prevents sliding back of the wire during and after its feed. It is known to provide a partially out of the feed channel wire holding means 24, which contacts the wire only outside the feed channel and presses against the cutting edge 38 of the die 3 to improve the cutting precision. However, it has been shown that at high cadences or wire feed speeds inaccuracies in the wire positioning and cutting may occur to which the wire holding means 24 has no significant influence. To prevent them, a positioning and retaining means is now provided, which engages in the feed channel 6 on the wire and prevents it from sliding back.
  • the wire retaining means in the feed channel can effectively prevent this and improve the positioning precision of the wire and thus the good quality of the closure clip.
  • the wire retaining means is arranged in the feed channel in the conveying direction in front of the feed lever 11, so that the wire thus first reaches the wire retaining means and then the feed lever, as shown in the FIG. 2 is shown.
  • the means 25 contacts the wire from below and is also arranged on the lower inside of the feed channel.
  • the wire retaining means and positioning means 25 may be formed in any way, but it should impede the feed of the wire as little as possible, while preventing the sliding back of the wire against the feed direction as effectively as possible.
  • a preferred construction for this is in FIG. 2 shown, in which the wire retaining means is formed by a lying on the underside of the feed channel 6 leaf-shaped spring which is fixed in the feed channel and can bend in the advance of the wire in the figure down and thus does not hinder the feed, but which springs back when it is no longer acted upon by the wire and has a front bearing surface 25 ', which prevents sliding back of the wire against the conveying direction.
  • the spring force is made adjustable. This can be done in a simple manner initially as shown in the figure, characterized in that the spring attached to the lower arm and the holder 7 of the feed channel is arranged at one or both of these points so that the bias of the spring can be adjusted. In the in the FIG. 2 shown embodiment, this is achieved in a simple manner such that the spring 10 is held on the forearm side to a threaded bolt 26 which is adjustable by a nut 27 so that the spring preload can be adjusted by turning the nut 27.
  • Another aspect of the invention relates to the attachment of the die 3 on the forearm 2. This is done in such a way that the die 3 is displaceable in the feed direction or against the feed direction, whereby the cutting clearance x between the cutting edges 37 and 38 about 5/100 mm should be adjustable to the die 3 itself. This was not the case until now and due to the tolerances between the forearm and the upper arm supporting the punch 4, the cutting clearance often had to be very large.
  • the adjustability of the die now gives the opportunity to adjust the cutting clearance with fully assembled closure assembly.
  • an eccentric pin 30 is arranged in a bore of the lower arm and rotatable there, wherein the protruding from the bore upper part of the eccentric pin 30 performs an eccentric movement.
  • the die 3 is as in FIG.
  • the die 3 is as in FIG. 4 indicated with a transverse slot 34, in which the eccentric part of the pin 30 engages so that the die is defined defined in its position in the feed direction upon rotation of the pin 30 in its bore by the eccentric.
  • This allows the exact adjustment of the cutting clearance by displacement of the die 3 in the final assembled Verschliessan extract and thus the compensation of the tolerances between the forearm and upper arm. Is the cutting game set accordingly, the die 3 can be fixed by the threaded bolt 31 definitely on the forearm 2.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Package Closures (AREA)
  • Wire Processing (AREA)

Claims (11)

  1. Dispositif de fermeture (1) pour enveloppes de conditionnement, par l'intermédiaire duquel un clip de fermeture est découpé d'un fil métallique de clips (5) préformé et déformé pour la fermeture, et avec lequel le fil métallique de clips peut être avancé clip par clip à travers un canal d'avance (6) dans l'outil de découpe et de fermeture par un levier d'avance (11) entraîné, et dans lequel le levier d'avance est disposé sur un mécanisme à manivelle (12, 13) par son extrémité opposée au canal d'avance, caractérisé en ce que le levier d'avance peut être fixé sur le mécanisme à manivelle, et dissocié de celui-ci, sans outil.
  2. Dispositif de fermeture selon la revendication 1, caractérisé en ce que le levier d'avance est fixé sur un tourillon (13) du mécanisme à manivelle par un organe de serrage (14) n'enserrant ce tourillon que partiellement et de façon élastique.
  3. Dispositif de fermeture selon la revendication 1 ou 2, caractérisé en ce que l'extrémité d'avance du levier d'avance prévue pour saisir le fil métallique de clips est constituée d'une partie en matière plastique (17) d'un élément susceptible de tourner, notamment d'un rouleau ou d'une bille.
  4. Dispositif de fermeture selon la revendication 3, caractérisé en ce que, du côté de son extrémité, le levier d'avance comporte un évidement délimité par deux languettes (22, 23) faisant saillie, dans lequel est disposé un capuchon en matière plastique (17) ayant sensiblement une forme de U, qui constitue l'extrémité prévue pour saisir le fil métallique de clips.
  5. Dispositif de fermeture selon l'une des revendications 1 à 4, caractérisé en ce qu'un moyen de retenue (25) de fil métallique, qui s'oppose à un mouvement du fil métallique dans le sens contraire au sens du transport, est disposé dans le canal d'avance dans le sens du transport, notamment en amont du levier d'avance, et notamment sur la face inférieure du canal d'avance.
  6. Dispositif de fermeture selon la revendication 5, caractérisé en ce que le moyen de retenue de fil métallique est constitué d'un ressort en forme de lame (25) s'étendant dans la direction longitudinale du canal d'avance, fixé par l'une de ses extrémités, qui est cintré au niveau de son extrémité libre pour former une surface d'appui pour le fil métallique de clips.
  7. Dispositif de fermeture selon l'une des revendications 1 à 6, dans lequel le canal d'avance est maintenu dans la position de découpe par une force de ressort, et peut être pivoté pour l'avance, notamment par le levier d'avance, en s'opposant à la force de ressort, caractérisé en ce que la force de ressort du moyen à ressort (10) engendrant la force de ressort est réglable, qu'elle est notamment réglable en fonction de la cadence par un dispositif de réglage (28).
  8. Dispositif de fermeture selon la revendication 7, caractérisé en ce que la force de ressort est engendrée par un ressort de traction (10) fixé sur le bras inférieur du dispositif de fermeture et sur le canal d'avance, le point de fixation du ressort étant réglable du côté du bras inférieur et/ou du canal d'avance afin de régler la précontrainte du ressort.
  9. Dispositif de fermeture selon l'une des revendications 1 à 8, dans lequel l'outil de découpe et de fermeture comporte une matrice (3) fixée sur un bras inférieur du dispositif, caractérisé en ce que la matrice sur le bras inférieur peut être ajustée vers l'avant et l'arrière dans le sens d'avance par un dispositif de réglage, et fixée après l'ajustement.
  10. Dispositif de fermeture selon la revendication 9, caractérisé en ce que le dispositif de réglage comporte un guidage longitudinal (32, 33) pour la matrice et un réglage à excentrique (30, 34) qui définit la position de la matrice dans la direction longitudinale.
  11. Dispositif de fermeture selon l'une des revendications 1 à 10, caractérisé en ce que celui-ci comporte des ciseaux de refoulement pour la formation des extrémités de conditionnements en forme de saucisson, ciseaux entre lesquels est disposé le canal d'avance.
EP06021465A 2002-12-11 2003-12-03 Dispositif de fermeture des clips Expired - Fee Related EP1747996B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH21082002A CH698066B1 (de) 2002-12-11 2002-12-11 Verschliessanordnung für Verschlussclips.
EP20030027663 EP1428760B1 (fr) 2002-12-11 2003-12-03 Dispositif de fermeture des clips

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
EP20030027663 Division EP1428760B1 (fr) 2002-12-11 2003-12-03 Dispositif de fermeture des clips

Publications (2)

Publication Number Publication Date
EP1747996A1 EP1747996A1 (fr) 2007-01-31
EP1747996B1 true EP1747996B1 (fr) 2008-04-30

Family

ID=32315200

Family Applications (2)

Application Number Title Priority Date Filing Date
EP20030027663 Expired - Fee Related EP1428760B1 (fr) 2002-12-11 2003-12-03 Dispositif de fermeture des clips
EP06021465A Expired - Fee Related EP1747996B1 (fr) 2002-12-11 2003-12-03 Dispositif de fermeture des clips

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP20030027663 Expired - Fee Related EP1428760B1 (fr) 2002-12-11 2003-12-03 Dispositif de fermeture des clips

Country Status (3)

Country Link
EP (2) EP1428760B1 (fr)
CH (1) CH698066B1 (fr)
DE (2) DE50309755D1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005032530B3 (de) * 2005-07-12 2006-12-21 Poly-Clip System Gmbh & Co. Kg Clipspule und Anordnung zum Abwickeln einer Clipspule
US7322164B2 (en) * 2006-03-10 2008-01-29 Tipper Tie, Inc. Clippers with translating gate members and cooperating stiffener assemblies and related methods, computer program products
DE102007012778B4 (de) 2007-03-16 2010-06-24 Poly-Clip System Gmbh & Co Kg Einstellbarer Clipvorschub
EA032817B1 (ru) 2016-10-03 2019-07-31 Общество с ограниченной ответственностью "Машиностроительное предприятие "КОМПО" Клипсатор

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2886816A (en) * 1953-08-06 1959-05-19 Globe Company Apparatus for sealing containers
DE1043923B (de) * 1954-12-17 1958-11-13 Klaus Martin Maschine zum Verschliessen von Tueten, Beuteln, insbesondere von Flach- und Bodenbeuteln, aus Papier, Zellglas oder aehnlichen Stoffen
DE1094180B (de) * 1957-01-16 1960-12-01 Niedecker Herbert Einrichtung zum Setzen von Schliessklammern
GB1094630A (en) * 1964-10-02 1967-12-13 Juan Mitjans Canalda Machines for sealing containers
CH676778A5 (fr) 1989-05-17 1991-03-15 Waelchli Hans
DE29714581U1 (de) * 1997-08-14 1997-10-30 Jkl Rohema Maschinenbau Gmbh Vorrichtung zum Verschließen von Verpackungen

Also Published As

Publication number Publication date
DE50309755D1 (de) 2008-06-12
EP1747996A1 (fr) 2007-01-31
EP1428760A1 (fr) 2004-06-16
DE50306299D1 (de) 2007-03-08
CH698066B1 (de) 2009-05-15
EP1428760B1 (fr) 2007-01-17

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