EP1608559B1 - Vorrichtung zum anbringen von bindfäden an süssigkeiten - Google Patents

Vorrichtung zum anbringen von bindfäden an süssigkeiten Download PDF

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Publication number
EP1608559B1
EP1608559B1 EP04717223A EP04717223A EP1608559B1 EP 1608559 B1 EP1608559 B1 EP 1608559B1 EP 04717223 A EP04717223 A EP 04717223A EP 04717223 A EP04717223 A EP 04717223A EP 1608559 B1 EP1608559 B1 EP 1608559B1
Authority
EP
European Patent Office
Prior art keywords
string
disc
dragging
apt
wrapping
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
EP04717223A
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English (en)
French (fr)
Other versions
EP1608559A1 (de
Inventor
Mario Caselli
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.)
Mc Automations Srl
Original Assignee
Mc Automations Srl
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Filing date
Publication date
Application filed by Mc Automations Srl filed Critical Mc Automations Srl
Publication of EP1608559A1 publication Critical patent/EP1608559A1/de
Application granted granted Critical
Publication of EP1608559B1 publication Critical patent/EP1608559B1/de
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
    • B65B61/00—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages
    • B65B61/14—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages for incorporating, or forming and incorporating, handles or suspension means in packages

Definitions

  • the following invention concerns an apparatus for applying a string on sweets and similar in wrapping machines for these products.
  • the wrapping machines have generally a wrapping head provided with a set of gripping means, pincers shaped, distributed angularly around a horizontal rotational axis of the same wrapping head.
  • the wrapping head rotates intermittently around its horizontal axis to take the products, when gripped by the said gripping means, pincers shaped, to respective operational stations of the machine.
  • the products, that have to be wrapped, are provided separately, one after another, along a feeding line and are transferred to the gripping means, pincers shaped, of the wrapping head together with at least one piece of sheet material intended to form the wrapping.
  • the intermittent rotation of the wrapping head takes the gripped product into subsequent stations, in which the wrapping sheet is wrapped around the same product, the wrapping is closed and the packaged product is unloaded.
  • the packaged products are provided with a string apt to allow the hanging of the same products.
  • the string is generally applied at one end of the sweets, for instance at the top of products having a plane basis, by means of an adequate portion of adhesive tape, as it is shown in fig. 6.
  • DE-B-1 062 168 which relates to an apparatus for the application of a string on products or on their wrapping in accordance with the preamble of claim 1, comprising feeding means for an adhesive tape and a feeding group for a string unrolling from a spool, so that respective stretches of the adhesive tape and of the string are positioned mutually transversal.
  • the feeding group comprises a disc carrying peripherally guiding means, locking elements and a cutting member to obtain single stretches of string.
  • the stretch of string is positioned between the wrapped product and the stretch of adhesive tape.
  • Pushing means are provided to push the stretch of adhesive tape against the stretch of string and then against the product for its application on it.
  • the aim of the present invention is to provide an apparatus that allows to automatically accomplish the application of a string on sweets and similar at the wrapping head of wrapping machines for these products.
  • a further scope of the invention is to provide an apparatus of simple conception, reduced size, reliable operation and versatile use.
  • 1 refers to the wrapping head of a wrapping machine for sweets 2.
  • the wrapping head is provided, as it is known, with a set of gripping means 3, pincers shaped, distributed angularly around the horizontal rotational axis 4 of the same wrapping head 1.
  • the wrapping head has preferably gripping means, pincers shaped, which are spaced angularly by 90° apart.
  • the wrapping head 1 is driven intermittently in the direction indicated by the arrow A, in order to take the products, which have to be wrapped and which have been taken respectively to the said gripping means 3, pincers shaped, to operational stations, in which the wrapping sheet is wrapped around the products, the wrapping is closed and the packaged products are unloaded.
  • the apparatus for the application of a string 5 on sweets comprises a dragging disc 10, positioned coaxially with regard to and operated in rotation in solid by the wrapping head 1.
  • the disc 10 shapes peripherally a guiding slot 11 apt to hold the string 5 unrolling from a respective spool 15, by means of suitable return rollers 7.
  • the dragging disc 10 carries respective openings 13 apt to allow products 2 to enter, when grasped by the means 3, pincers shaped.
  • the dragging disc 10 is connected to locking means 20 apt to lock the string 5 within the guiding slot 11.
  • the locking means 20 are distributed angularly on the same disc 10 at intermediate positions with respect to the gripping means 3, pincers shaped.
  • the locking means 20 apt to lock the string 5 are constituted respectively by a lever 21 which is positioned radially with regard to the dragging disc 10 and which is hinged to the same disc 10 by means of a respective pivot 23 at a connection 24 (see fig. 2).
  • the lever 21 carries a freely revolving roll 25 apt to engage respective cam means 8, constrained to the fixed structure of the machine and disposed in front of the wrapping head 1, through a suitable opening made on the disc 10.
  • a first cam 8a and a second cam 8b are substantially positioned in diametrically opposed locations, with respect to the rotational axis 4 of the wrapping head 1, and are apt to drive the rotation of the lever 21 to an opening position 21a, as it is better explained later.
  • the lever 21 shapes, at its end, a tooth 22, which is apt to engage a corresponding carving 12 made along the edge of the dragging disc 10 by the guiding slot 11 (fig. 3).
  • the first cam 8a drives the opening of the lever 21 so that it allows the locking means 20 to lock the string 5, fed by the spool 15; the second cam 8b drives the opening of the lever 21 so that the string 5 is released for the unloading of the packaged product.
  • a cutting device 30 Downstream the first cam 8a, according to the rotational diresction A, is positioned a cutting device 30 for cutting the stretch of string 5 that has to be applied on the single product 2.
  • This cutting device 30 is constituted by a blade 31 fixed at the free end of a swinging arm 32, that is pivoted by means of a pivot 33 to the fixed structure of the machine and is operated by a suitable drive means 34.
  • the blade 31 intercepts the guiding slot 11 of the dragging disc 10.
  • the string 5 is applied on the product 2 by means of a stretch of adhesive tape 6 that is provided by a feeding group 40, substantially positioned on a vertical plane lying in front of the dragging disc 10 (see fig. 4).
  • the adhesive tape 6 unrolls from a spool 16 till it engages a set of rollers 41 operated by a motor drive 42 of the feeding group 40, which is known.
  • the application of the string 5, together with the adhesive tape 6, on the product 2 is accomplished by means of a group 50 that acts by the feeding area, where the same adhesive tape 6 is provided by the feeding group 40.
  • the applying group 50 comprises a couple of pressing members 51, 52, one of which is upper and the other is lower, carried elastically by a head 53 apt to be operated in alternate motion in perpendicular direction with regards to the plane where the dragging disc 10 lies, for instance by means of a set of levers 54 of articulated quadrilateral type.
  • the set of levers 54 is operated by a set of handles 55 constituted by levers and tie rods, positioned in a sequence and articulated each other, the set of handles 55 is motioned by a swinging arm 56 fitted to the shaft 57 of a motor drive 58.
  • the upper pressing member 51 carries a blade 59 for cutting the stretch of adhesive tape 6 that has to be applied on the product.
  • an ejecting member 60 is fitted to the shaft 57 of the motor drive 58. This ejecting member swings in suitable phase with regards to the application of the string 5 on the products 2, in order to accomplish the unloading of the packaged products 2, provided with a respective string 5 at their top, as it is shown in fig. 6.
  • the string 5, unrolling from! the spool 15, is pulled till it engages the guiding slot 11 of the dragging disc 10, which is positioned coaxially With regards to and operated in rotation by the wrapping head 1.
  • the string 5 is locked on the disc 10 by a respective lever 21, which is taken to the opening position 21a by the fixed cam 8a engaged by the respective roll 25, before the same string 5 enters the guiding slot 11.
  • the subsequent closure of the lever 21 brings about the locking of the string 5 by means of the tooth 22 of the lever.
  • the rotation of the dragging disc 10 takes the string 5, that is locked upstream by the lever 21, to the operational area of the group 50 for cutting the adhesive tape 6 and applying the same string 5 on the top of a respective product 2, when rotated by the wrapping head 1 and gripped by the corresponding gripping elements 3, pincers shaped.
  • the operation of the head 53 by the set of levers 54, of articulated quadrilateral type, in perpendicular direction with reagards to the vertical plane where the dragging disc 10 lies causes the forward movement of the, couple of pressing members 51, 52 to the forward position 51 a, 52a through the corresponding opening 13 of the dragging disc 10 (fig. 4).
  • the pressing members 51, 52 meet the adhesive tape 6 which is provided by the feeding group 40 on a vertical plane in front of the dragging disc 10; in its turn, the adhesive tape 6 meets the string 5 and so causes the application of it on the product 2 which is held by the gripping means 3, pincers shaped, In front of the same string 5, by the opening 13 of the disc 10.
  • the blade 59 cuts the necessary stretch of adhesive tape 6.
  • the dragging disc 10 has suitably a peripheral length, by the guiding slot 11, equal to the stretch of the string 5 to be applied on the product 2 multiplied by the number of the gripping means 3, pincers shaped, or by the number of the locking means 20, four in the specific case.
  • the said peripheral length of the dragging disc 10 divided by four provides precisely the suitable stretch of the string 5 that has to be applied on the products 2.
  • the packaged product 2 provided with the respective string is taken to the unloading station, where the ejecting member 60 acts swinging in suitable respective phase.
  • the second cam 8b operates the opening of the lever 21 in order to release the string 5.
  • the apparatus in object reaches the aim to automatically accomplish the application of a string on sweets and similar at the wrapping head of the wrapping machines for these products.
  • a dragging disc 10 for dragging the string 5 to be applied on seewts is positioned coaxial and in solid with the wrapping head 1 and is provided peripherally with the guiding slot 11, within which the string 5 is locked by locking means 20 carried by the same disc 10.
  • Another advantage lies in the fact that the opening of the said locking means 20 for locking the string is acted in a simple way and in suitable phases by the cam means 8, which are fixed at the structure of the machine.
  • An essential feature of the apparatus is represented by the fact that it does not have any external member with regards to the wrapping head, but accomplishes the application of the string on the products directly, when they are taken by the wrapping head to the usual operational stations.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Auxiliary Devices For And Details Of Packaging Control (AREA)
  • Package Closures (AREA)
  • Basic Packing Technique (AREA)

Claims (13)

  1. Verpackungsmaschine für Produkte wie Süssigkeiten umfassend eine Vorrichtung zum Anbringen von einem Bindfaden (5) an die Produkte (2) und einen mit einer Reihe von zangenförmigen Greifmittel vorgesehenen Verpackungskopf (1), welche um eine horizontale Achse (4) desselben Verpackungskopfs (1) winkelförmig verteilt sind und intermittierend um diese horizontale Achse (4) angetrieben sind, um die an die zangenförmigen Greifmittel (3) gebrachtenen zupackenden Produkte an die operativen Stationen zu bringen, bei denen eine Packfolie um das Produkt (2) eingehüllt wird, die Verpackung verschliessen wird und die gepackten Produkte entladen werden, wobei die genannte Vorrichtung eine Scheibe (10) zum Hinziehen eines von einer jeweiligen Spule abspulenden Bindfadens (5) aufweist und umfänglichen Führungen (11) bildet, die zum Aufnehmen des genannten Bindfadens (5) fähig sind; Mittel (20) zum Klemmen des genannten Bindfadens (5) entlang der genannten Führungen (11) der genannten hinziehenden Scheibe (10); entlang der genannten Führungen (11) der genannten Scheibe (10) angeordneten Mittel (30) zum Schneiden eines Stücks des genannten Bindfadens (5); ein Aggregat (40) zum Speisen eines Klebestreifens (6) auf einer im Wesentlichen vertikalen Ebene vor der genannten Scheibe (10); ein Aggregat (50) zum Schneiden des genannten Klebestreifens (6) und zum Anbringen des genannten Stücks des Bindfadens (5) mittels des geschnittenen genannten Klebestreifens (6) auf einem jeweiligen durch das speisende Aggregat (40) an den den Klebestreifen (6) speisenden Raum gebrachten Produkt (2), dadurch gekennzeichnet, dass die genannte hinziehende Scheibe (10) koaxial und drehbar an dem genannten Verpackungskopft (1) angeordnet ist, und dass die genannten Mittel (20) zum Klemmen des Bindfadens (5) auf derselben Scheibe (10) auf bezüglich den zangenförmigen Greifmittel (3) zwischenliegenden Stellen winkelförmig verteilt sind.
  2. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass die genannten Führungen (11) aus einer auf der genannten hinziehenden Scheibe (10) peripherish gebildeten Nut besteht.
  3. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass die genannten Mittel (20) zum Klemmen des genannten Bindfadens (5) beziehungsweise aus einem bezüglich der genannten hinziehenden Scheibe (10) radial angeordneten Hebel (21) bestehen, welcher auf derselben Scheibe (10) mittels eines jeweiligen Zapfens (23) aufklappbar ist.
  4. Vorrichtung nach Anspruch 3, dadurch gekennzeichnet, dass der genannte Hebel (21) auf seinem Ende einen Zahn (22) aufweist, der eine entsprechende entlang des Rands der genannten hinziehenden Scheibe (10) gebildete Kerbe (12) bei den genannten Führungen (11) einfallen kann, um den Bindfaden (5) festzumachen.
  5. Vorrichtung nach Anspruch 3, dadurch gekennzeichnet, dass der genannte Hebel (21) zu einer Öffnungsposition (21 a) drehbar ist, wobei dieser dem elastischen Widerstand einer Biegungsfeder (26) unterliegt.
  6. Vorrichtung nach Anspruch 3, dadurch gekennzeichnet, dass der genannte Hebel (21) eine frei drehbare Rolle (25) trägt, welche durch eine auf der genannten hinziehenden Scheibe (10) ausgebildete zweckmässige Öffnung mit jeweiligen an der festen Maschinenstruktur gefesselten und vor dem Verpackungskopf (1) angeordneten Nockenmitteln (8) einfallbar ist, wodurch die Drehung des genannten Hebels (21) an eine Öffnungsposition (21 a) steuerbar ist.
  7. Vorrichtung nach Anspruch 6, dadurch gekennzeichnet, dass die genannten Nockenmittel (8) einen ersten Nocken (8a) und einen zweiten Nocken (8b) aufweisen, die im Wesentlichen an bezüglich der Drehachse (4) des genannten Verpackungskopf (1) diametral entgegengesetzte Stellen angeordnet sind, und durch welche die Drehung des Hebels (21) an eine Öffnungsposition (21 a) steuerbar ist, um beziehungsweise den genannten klemmenden Mittel (20) das Klemmen des Binddfadens (5) und die Abgabe des genannten Bindfadens (5) zu erlauben, wenn das gepackte Produkt entladen wird.
  8. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass die genannte hinziehende Scheibe (10) bei den genannten Führungen (11) eine peripherische Länge wie die mit der Zahl der genannten Greifmittel (3) multiplizierte Länge des genannten Stücks des an das Produkt anzubringenden Bindfadens (5) aufweist.
  9. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass die genannte hinziehende Scheibe (10) bei den genannten zangenförmigen Greifmittel (3) jeweilige Durchbrechungen (13) aufweist, um den Produkte (2) den Eintritt beim Einspannen durch dieselben zangenförmigen Greifmittel (3) zu erlauben.
  10. Vorrichtung nach anspruch 1, dadurch gekennzeichnet, dass die genannten schneidenden Mittel (30) eine an dem freien Ende eines Schwenkarms (32) festgestellte Klinge (31) trägt, durch welche die genannten durch die genannte hinziehende Scheibe (10) gebildeten Führungen (11) bei der Schneidenstellung absperrbar sind.
  11. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass das genannte Aggregat (50) zum Schneiden des Klebestreifens (6) und zum Anbringen des Stücks des Bindfadens (5) ein Paar von Niederhaltern (51, 52), einem Oberem und einem Unterem, umfasst, welche elastisch durch einen Kopf (53) getragen sind, der durch ein Hebelwerk (54) rechtwinklig in Hin- und Herbewegung bezüglich der vertikalen Ebene steuerbar ist, auf welcher die hinziehende Scheibe (10) liegt.
  12. Vorrichtung nach Anspruch 11, dadurch gekennzeichnet, dass das genannte Hebelwerk (54) durch ein Kurbelgetriebe (55) gesteuert ist, das in Bewegung durch einen an der Welle (27) eines Motors (58) angeordneten Schwenkarm (56) gesetzt ist, auf welcher ein Auswerfer (60) auch angeordnet ist, schwenkend in zweckmässiger Phase bezüglich des Anbringen des genannten Bindfadens (5) an das Produkt(2), um das Entladen des gepacktes Produkts (2) durchzuführen.
  13. Vorrichtung nach Anspruch 11, dadurch gekennzeichnet, dass der obere Niederhalter (51) eine Klinge (59) zum Schneiden des an das genannte Produkt anzubringende Stücks des Klebestreifens (6) trägt.
EP04717223A 2003-04-03 2004-03-04 Vorrichtung zum anbringen von bindfäden an süssigkeiten Expired - Lifetime EP1608559B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
ITBO20030191 ITBO20030191A1 (it) 2003-04-03 2003-04-03 Apparecchiatura per l'applicazione di un cordino a prodotti dolciari e simili in macchine incartatrici di tali prodotti
ITBO20030191 2003-04-03
PCT/IT2004/000108 WO2004087504A1 (en) 2003-04-03 2004-03-04 Apparatus for applying strings on sweets

Publications (2)

Publication Number Publication Date
EP1608559A1 EP1608559A1 (de) 2005-12-28
EP1608559B1 true EP1608559B1 (de) 2007-05-23

Family

ID=33105025

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04717223A Expired - Lifetime EP1608559B1 (de) 2003-04-03 2004-03-04 Vorrichtung zum anbringen von bindfäden an süssigkeiten

Country Status (4)

Country Link
EP (1) EP1608559B1 (de)
DE (1) DE602004006616T2 (de)
IT (1) ITBO20030191A1 (de)
WO (1) WO2004087504A1 (de)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1062168B (de) * 1957-05-20 1959-07-23 Wilhelm Rasch Kommanditgesells Verfahren und Vorrichtung zum Anbringen eines Aufhaengefadens od. dgl. an Gegenstaenden oder ihrer Verpackung mittels einer Klebelasche

Also Published As

Publication number Publication date
DE602004006616D1 (de) 2007-07-05
DE602004006616T2 (de) 2008-01-24
WO2004087504A1 (en) 2004-10-14
EP1608559A1 (de) 2005-12-28
ITBO20030191A1 (it) 2004-10-04

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