EP0939031B1 - Automatic packing machine with several different wrapping tapes of various widths - Google Patents

Automatic packing machine with several different wrapping tapes of various widths Download PDF

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Publication number
EP0939031B1
EP0939031B1 EP98830704A EP98830704A EP0939031B1 EP 0939031 B1 EP0939031 B1 EP 0939031B1 EP 98830704 A EP98830704 A EP 98830704A EP 98830704 A EP98830704 A EP 98830704A EP 0939031 B1 EP0939031 B1 EP 0939031B1
Authority
EP
European Patent Office
Prior art keywords
conveyor belt
wrapping
reels
frame
tape
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
EP98830704A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0939031A3 (en
EP0939031A2 (en
Inventor
Fabrizio Filippini
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.)
GIUNTI RENZO ERREGI DI
Original Assignee
GIUNTI RENZO ERREGI DI
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
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Application filed by GIUNTI RENZO ERREGI DI filed Critical GIUNTI RENZO ERREGI DI
Publication of EP0939031A2 publication Critical patent/EP0939031A2/en
Publication of EP0939031A3 publication Critical patent/EP0939031A3/en
Application granted granted Critical
Publication of EP0939031B1 publication Critical patent/EP0939031B1/en
Anticipated expiration legal-status Critical
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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
    • B65B9/00—Enclosing successive articles, or quantities of material, e.g. liquids or semiliquids, in flat, folded, or tubular webs of flexible sheet material; Subdividing filled flexible tubes to form packages
    • B65B9/02—Enclosing successive articles, or quantities of material between opposed webs
    • B65B9/026—Enclosing successive articles, or quantities of material between opposed webs the webs forming a curtain
    • 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
    • B65B41/00—Supplying or feeding container-forming sheets or wrapping material
    • B65B41/12—Feeding webs from rolls
    • 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
    • B65B59/00—Arrangements to enable machines to handle articles of different sizes, to produce packages of different sizes, to vary the contents of packages, to handle different types of packaging material, or to give access for cleaning or maintenance purposes
    • B65B59/001—Arrangements to enable adjustments related to the product to be packaged
    • 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
    • B65B59/00—Arrangements to enable machines to handle articles of different sizes, to produce packages of different sizes, to vary the contents of packages, to handle different types of packaging material, or to give access for cleaning or maintenance purposes
    • B65B59/003—Arrangements to enable adjustments related to the packaging material

Definitions

  • This patent application relates to an automatic packing machine for products that are wrapped up with wrapping tape both in their upper and lower part.
  • the wrapping station comprises a support frame for one wrapping tape whose ends are wound up to form two reels that are held above and under the route covered by the product.
  • the product runs into the wrapping tape that is located in transversal vertical position with respect to the direction of the product carried by the above mentioned conveyor belts.
  • the two reels are simultaneously unwound so that the lower part of the wrapping tape coats the lower part of the product, and the upper wall of the product is at the same time wrapped up in the upper part of the wrapping tape.
  • This type of machines is usually provided with several wrapping tapes with different width that are used alternatively and selectively from time to time according to the width of the product to be packed.
  • the first solution adopted in order to use several wrapping tapes on the same packing machine was to include a support trolley able to support several pairs of reels side by side in transversal position with respect to the direction of the product.
  • the reel-holding trolley is able to make horizontally alternated journeys in transversal direction with respect to the movement of the product, in order to position from time to time the wrapping tape with the appropriate width in front of the product, with the two reels resting at the same height, one above and one under the route of the product.
  • packing machines have been recently developed in which the reel-holding trolley makes alternated longitudinal journeys to transfer from time to time the pair of reels with the appropriate width to the wrapping station according to the width of the product to be packed.
  • the reel-holding trolley is designed so as to hold transversally all pairs of reels, one after the other one according to the direction of the product. This means that the longitudinal journeys astride of the wrapping station, at each change of tape, do not involve transversal volumes on the two sides of the transportation line.
  • This reel-holding trolley includes two different supporting elements for each pair of reels.
  • One supporting element is fixed and the other one slides vertically, so as to pass from the first raised resting position located at a certain height over the route of the product, to the second lowered working position, which is located at a certain height under the route of the product.
  • the purpose of this invention is to provide a machine for the automatic packing of products that, although provided with a fixed reel-holding trolley, offers the wide flexibility of use typical of the more expensive machines provided with a sliding trolley, which at the moment are the only machines able to work with several interchangeable wrapping tapes with different width.
  • the machine according to the present invention is provided at the wrapping station with a fixed portal frame located between the pair of conveyor belts, able to support various pairs of reels of wrapping tape, one after the other along the direction of the product.
  • the upper reel of each wrapping tape is held by a supporting element and is automatically unwound by means of a set of powered rolls, of the known type, while the lower reel of each wrapping tape is inserted on a supporting shaft, whose ends are fixed to two bushes that are inserted and slide in two guiding rods, located on the two sides of the above mentioned frame.
  • the said bushes are vertically pulled by a powered chain transmission of the known type, so that, when necessary, the lower reel of each wrapping tape can be transferred from the raised resting position (that is next to the fixed upper reel) to the lowered working position under the first conveyor belt which conveys the product to be packed towards the wrapping station.
  • the first conveyor belt is of telescopic type in order to move back and allow the reel coming down from its raised resting position to reach the lowered working position, which is located under the first conveyor belt.
  • the machine according to this invention is provided with only one actuator for all the wrapping tapes, made up of a pair of adjacent rolls, able to tighten the tape which is currently used to pack the product and located under the space existing between the exit section of the first conveyor belt and the one of the second conveyor belt.
  • one roll is idle and fixed to the telescopic section of the first conveyor belt, while the second roll is powered and driven by means of a transmission chain by the driving shaft of the second conveyor belt, since it is the second tape that allows for detecting the exact quantity of wrapping tape that must be unwounded from the lower reel.
  • the idle roll remains at a small distance from the powered roll, against which it is pressed by means of an actuator activated by a sensor that detects the presence of the product moving on the first conveyor belt.
  • a further factor for the reduction of the manufacturing cost of the machine according to the present invention is represented by the adoption of only one set of rolls to unwind all the lower reels, instead of a set of rolls for each lower reel, as it happens in the machines currently available on the market.
  • the machine comprises a first conveyor belt (1), a second conveyor belt (2), positioned in series with respect to the first one and a wrapping station (3), located between the two conveyor belts (1 and 2).
  • the fist conveyor belt (1) features a telescopic section (1a) that in forward position comes alongside on the same plane with the next tape (2), while in rear position frees a wide space (4), located under the surface on which the product moves (P).
  • a fixed portal frame (5) rests in correspondence with the wrapping station (3) and supports several wrapping tapes, namely three tapes with different width (6, 7, 8), in transversal position above the first conveyor belt (1).
  • the said frame (5) holds a pair of reels for each wrapping tape whose ends are wound up to form an upper reel (6a, 7a and 8a) and a lower reel (6b, 7b and 8b).
  • each tape is inserted on fixed shafts (9) that extend transversally from one side to the other of the frame (5), while the lower reels are inserted on shafts (10) extending from one side to the other of the frame (5) whose ends are fixed to two bushes (11) that are inserted and slide along a pair of opposed guiding rods (12) located on the two sides of the frame (5).
  • Each pair of bush (11) is dragged along its guiding rod (12) by a chain transmission (13) whose power unit (13a) is located at the base of the rod (12).
  • Fig. 1 shows the machine which is the object of the present invention when using the tape (8), whose lower reel (8b) is located in the space (4) under the telescopic section (1a) of the conveyor belt (1).
  • Fig. 2 shows the changing of the tape, when tape (8) is to be replaced with tape (7); in this situation, the telescopic section (1a) is in full rear position in order to allow for the rising of the lower reel (8b) of the tape (8) and the descent inside the space (4) of the lower reel (7b) of the tape (7).
  • Fig. 3 is an enlargement of Fig. 1 showing the pair of rolls used to unwind the lower reel of the wrapping tape, namely tape (8) that is currently used to pack the product (P).
  • the said pair is made up of an idle roll (15) and a powered roll (16) that is driven by means of a transmission chain (17) by the pulling cylinder (18) of the second conveyor belt (2).
  • the idle roll (15) is fixed to the telescopic section (1a) of the conveyor belt (1) thus following its alternated journeys during the changing of the tape.
  • the idle roll (15) does not automatically come into contact with the powered roll (19) against which it is pushed by a piston (19) activated by a sensor of known type (not shown in the figure) that detects the product (P) moving over the conveyor belt (1).
  • the wrapping station (3) features a device (20), of known type, used to cut and seal the wrapping tape on the back of the product (P), once the product has left the wrapping station (3).

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Basic Packing Technique (AREA)
  • Auxiliary Devices For And Details Of Packaging Control (AREA)
  • Packaging Of Special Articles (AREA)
  • Wrapping Of Specific Fragile Articles (AREA)
EP98830704A 1998-02-25 1998-11-23 Automatic packing machine with several different wrapping tapes of various widths Expired - Lifetime EP0939031B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT1998AN000017A IT1305684B1 (it) 1998-02-25 1998-02-25 Macchina per l'imballaggio automatico di prodotti corredata di piu'nastri di incarto, ognuno di differente larghezza
ITAN980017 1998-02-25

Publications (3)

Publication Number Publication Date
EP0939031A2 EP0939031A2 (en) 1999-09-01
EP0939031A3 EP0939031A3 (en) 2001-04-18
EP0939031B1 true EP0939031B1 (en) 2002-08-14

Family

ID=11334181

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98830704A Expired - Lifetime EP0939031B1 (en) 1998-02-25 1998-11-23 Automatic packing machine with several different wrapping tapes of various widths

Country Status (4)

Country Link
EP (1) EP0939031B1 (it)
DE (1) DE69807183T2 (it)
ES (1) ES2139555T3 (it)
IT (1) IT1305684B1 (it)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1311101B1 (it) * 1999-10-19 2002-02-28 Resta Srl Dispositivo per il ricambio automatico della bobina di alimentazionedel foglio con cui vengono avvolti i materassi e simili in macchine
ES2169999B1 (es) * 2000-05-24 2003-05-16 Construcciones Metalicas Jose Maquina para embalaje automatico con laminas de plastico.
ES2199007B1 (es) * 2001-01-22 2005-02-16 Construcciones Metalicas Jose Barberan, S.A. Maquina para embalaje automatico con laminas de plastico.
ES2208027B1 (es) * 2001-11-07 2005-04-16 Construcciones Metalicas Jose Barberan, S.A. Maquina modular para embalaje automatico con laminas de plastico.
ITBO20020493A1 (it) * 2002-07-26 2004-01-26 Tmc Spa Metodo di arresto e riavviamento di una macchina confezionatrice automatica di prodotti collettivamente avvolti in un involucro di imballagg
ITBO20030321A1 (it) * 2003-05-23 2004-11-24 Biesse Spa Macchina per l'imballaggio di un prodotto in un foglio
ITBO20040337A1 (it) * 2004-05-26 2004-08-26 Aetna Group Srl Apparecchiatura per l'imballaggio di prodotti con film termoretraibile
ITMC20040141A1 (it) * 2004-11-29 2005-02-28 Erregi Di Giunti Renzo Macchina perfezionata per l'imballaggio automatico di prodotti in genere con nastri di incarto.
DE102009050260A1 (de) * 2009-10-21 2011-05-12 Dücker Automation GmbH Vorrichtung zum Umhüllen von gestapelten Gütern mit einer Folie
CN111319820B (zh) * 2020-02-28 2024-01-23 五岳自动化设备制造(沧州)有限公司 一种pe、pp带双用的全自动打包机

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3910005A (en) * 1972-11-24 1975-10-07 Applic Thermiques Process and machine for packing
FR2565201A1 (fr) * 1984-05-30 1985-12-06 Ouest Conditionnement Delapier Procede et installation pour l'emballage d'un paquet a l'aide d'une feuille d'emballage et les paquets emballes obtenus
FR2619549B3 (fr) * 1987-08-18 1990-01-26 Bene Madinox Machine pour l'enveloppement sous pellicule de produits cylindriques

Also Published As

Publication number Publication date
ES2139555T1 (es) 2000-02-16
EP0939031A3 (en) 2001-04-18
ES2139555T3 (es) 2003-02-16
DE69807183D1 (de) 2002-09-19
ITAN980017A0 (it) 1998-02-25
ITAN980017A1 (it) 1999-08-25
IT1305684B1 (it) 2001-05-15
EP0939031A2 (en) 1999-09-01
DE69807183T2 (de) 2003-04-17

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