EP1428760B1 - Dispositif de fermeture des clips - Google Patents

Dispositif de fermeture des clips Download PDF

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Publication number
EP1428760B1
EP1428760B1 EP20030027663 EP03027663A EP1428760B1 EP 1428760 B1 EP1428760 B1 EP 1428760B1 EP 20030027663 EP20030027663 EP 20030027663 EP 03027663 A EP03027663 A EP 03027663A EP 1428760 B1 EP1428760 B1 EP 1428760B1
Authority
EP
European Patent Office
Prior art keywords
wire
feeding
clip
closing
arrangement
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
EP20030027663
Other languages
German (de)
English (en)
Other versions
EP1428760A1 (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
Priority to EP06021465A priority Critical patent/EP1747996B1/fr
Publication of EP1428760A1 publication Critical patent/EP1428760A1/fr
Application granted granted Critical
Publication of EP1428760B1 publication Critical patent/EP1428760B1/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
    • 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 the feed.
  • the clip wire can be spared during the feed.
  • the wear of the Verschliessan Aunt itself greatly reduced when this arrangement is in idle mode without clip wire in operation, since doing the feed end of the feed lever with the clip wire guide in the feed channel comes into contact.
  • a plastic training or a rotatable roller or ball-like design can significantly reduce the wear of the assembly in this area.
  • the feed lever on the drive side tool-free solvable and refastenable reduces the life of the arrangement when changing the feed lever for different clip wire widths quite considerably.
  • a Drahtposition ists- and wire retaining means is provided increases the positioning accuracy of the clip wire in the cutting and molding tool and avoids especially at high cadences of the arrangement incorrect positioning due to the behavior of the wire.
  • Another preferred 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 view of a closure arrangement according to the invention, wherein in Figure 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 Figure 2.
  • 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.
  • the upper guide 21 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.
  • 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.
  • the plastic part 17 the guide 21 is not worn even during idling operation so that their life is significantly increased. If the plastic part 17 wears, this can be easily replaced at the top of the feed lever 11, in particular if it is merely plugged and secured by positive locking, for example by a pin.
  • the whole front part of the feed lever 11 may be integrally formed of plastic, in particular together with the tongues 22 and 23.
  • 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.
  • 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.
  • a preferred embodiment 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. According to a preferred aspect of the present invention, therefore, the feed lever 11 is attached to the crank mechanism so that it can be attached and detached without tools.
  • the holding element 14 can be fastened with screws on the central part of the feed lever 11, as can be seen from FIG is.
  • the pin 13 may have a circumferentially extending recess may be in which a corresponding shape of the retaining element 14 can engage to ensure accurate positioning in the longitudinal direction of the pin 13th 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 retention 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 retention 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 FIG is.
  • the means 25 contacts the wire from below and is also disposed 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 therefor is shown in Figure 2, in which the wire retaining means is formed by a leaf-shaped spring lying on the underside of the feed channel 6, which is fixed in the feed channel and can bend downwards as the wire advances in the figure and thus feeds not hindered, but springs back when it is no longer acted upon by the wire and 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 embodiment shown in Figure 2, this is achieved in a simple manner such that the spring 10 is held on the lower arm side of 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 preferred 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 on 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 which shows a plan view of the lower arm, on the one hand held in lateral guide rails 32 and 33 of the lower arm so that they can only move in the longitudinal direction.
  • the die 3 is provided with a transversely extending oblong hole 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.

Landscapes

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

Claims (11)

  1. Dispositif de fermeture (1) pour des sachets d'emballage, grâce auquel un clip de fermeture est coupé par un fil métallique de clip (5) préformé et est formé pour la fermeture, et sur lequel le fil métallique de clip peut être coulissé vers l'avant par un levier d'avancée (11) entraîné, situé dans un canal d'avancée (6), à la manière d'un clip dans l'outil de coupe et de fermeture, caractérisé en ce que l'extrémité d'avancée du levier d'avancée prévue pour la prise sur le fil métallique de clip est formée par une pièce en matière plastique (17) ou un élément rotatif, en particulier un rouleau ou une bille.
  2. Dispositif de fermeture selon la revendication 1, caractérisé en ce que le levier d'avancée présente côté final une cavité limitée par deux languettes saillantes (22, 23), dans laquelle est disposé un capuchon en matière plastique (17) essentiellement en forme de U, qui constitue l'extrémité prévue pour la prise sur le fil métallique de clip.
  3. Dispositif de fermeture (1) selon la revendication 1, caractérisé en ce que le levier d'avancée à son extrémité opposée au canal d'avancée peut être fixé sans outillage à une commande par manivelle (12, 13) et est disposé de manière amovible.
  4. Dispositif de fermeture selon la revendication 3, caractérisé en ce que le levier d'avancée est fixé à un tourillon (13) de la commande par manivelle grâce à un élément de serrage (14) entourant par ressort de manière élastique seulement partiellement ce tourillon.
  5. Dispositif de fermeture (1) selon l'une quelconque des revendications 1 à 4, caractérisé en ce que dans le canal d'avancée en direction de transport, en particulier devant le levier d'avancée et en particulier sur la face inférieure du canal d'avancée, est disposé un moyen de retenue du fil métallique (25), qui agit en sens opposé au mouvement du fil métallique contre la direction de transport.
  6. Dispositif de fermeture selon la revendication 5, caractérisé en ce que le moyen de retenue du fil métallique est constitué par un ressort (25) en forme de feuille, fixé à une extrémité, s'étendant en direction longitudinale du canal d'avancée, ressort qui est recourbé à son extrémité libre pour constituer une surface d'appui pour le fil métallique de clip.
  7. Dispositif de fermeture (1) selon l'une quelconque des revendications 1 à 6, caractérisé en ce que le canal d'avancée est maintenu par une force de ressort dans la position de coupage et peut être pivoté pour l'avancée contre la force de ressort, en particulier grâce au levier d'avancée, et en ce que la force de ressort du moyen de ressort (10) produisant la force de ressort peut être réglable, en particulier, en ce qu'elle est réglable selon une cadence grâce à un dispositif de réglage (28).
  8. Dispositif de fermeture selon la revendication 7, caractérisé en ce que la force de ressort est produite grâce à un ressort de traction (10) fixé sur le bras inférieur du dispositif de fermeture et sur le canal d'avancée, sachant que le point de fixation du ressort peut être réglé du côté du bras inférieur et/ou du côté du canal d'avancée pour régler la précontrainte du ressort.
  9. Dispositif de fermeture (1) selon l'une quelconque des revendications 1 à 8, caractérisé en ce que l'outil de coupe et de fermeture comprend une matrice (3) fixée à un bras inférieur du dispositif, et en ce que la matrice sur le bras inférieur peut être ajustée vers l'avant et vers l'arrière en direction d'avancée avec un dispositif de réglage et peut être fixée après l'ajustage.
  10. Dispositif de fermeture selon la revendication 9, caractérisé en ce que le dispositif de réglage comprend un guidage longitudinal (32, 33) pour la matrice et une position d'excentrique (30, 34) qui détermine la position de la matrice en direction longitudinale.
  11. Dispositif de fermeture selon l'une quelconque des revendications 1 à 10, caractérisé en ce que celui-ci présente des ciseaux de déplacement pour constituer les extrémités d'emballages en forme de saucisse, entre lesquels ciseaux est disposé le canal d'avancée.
EP20030027663 2002-12-11 2003-12-03 Dispositif de fermeture des clips Expired - Lifetime EP1428760B1 (fr)

Priority Applications (1)

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

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH21082002A CH698066B1 (de) 2002-12-11 2002-12-11 Verschliessanordnung für Verschlussclips.
CH21082002 2002-12-11

Related Child Applications (1)

Application Number Title Priority Date Filing Date
EP06021465A Division EP1747996B1 (fr) 2002-12-11 2003-12-03 Dispositif de fermeture des clips

Publications (2)

Publication Number Publication Date
EP1428760A1 EP1428760A1 (fr) 2004-06-16
EP1428760B1 true EP1428760B1 (fr) 2007-01-17

Family

ID=32315200

Family Applications (2)

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

Family Applications Before (1)

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

Country Status (3)

Country Link
EP (2) EP1747996B1 (fr)
CH (1) CH698066B1 (fr)
DE (2) DE50306299D1 (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, 61476 Kronberg Vorrichtung zum Verschließen von Verpackungen

Also Published As

Publication number Publication date
CH698066B1 (de) 2009-05-15
DE50309755D1 (de) 2008-06-12
EP1747996A1 (fr) 2007-01-31
DE50306299D1 (de) 2007-03-08
EP1428760A1 (fr) 2004-06-16
EP1747996B1 (fr) 2008-04-30

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