EP1184282A1 - Dispositif pour insérer des produits dans un tube de façonnage d'une machine d'emballage verticale - Google Patents

Dispositif pour insérer des produits dans un tube de façonnage d'une machine d'emballage verticale Download PDF

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Publication number
EP1184282A1
EP1184282A1 EP01105501A EP01105501A EP1184282A1 EP 1184282 A1 EP1184282 A1 EP 1184282A1 EP 01105501 A EP01105501 A EP 01105501A EP 01105501 A EP01105501 A EP 01105501A EP 1184282 A1 EP1184282 A1 EP 1184282A1
Authority
EP
European Patent Office
Prior art keywords
tube
platform
products
forming device
forming
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.)
Withdrawn
Application number
EP01105501A
Other languages
German (de)
English (en)
Inventor
Ermanno Roso
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.)
PFM SpA
Original Assignee
PFM SpA
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 PFM SpA filed Critical PFM SpA
Publication of EP1184282A1 publication Critical patent/EP1184282A1/fr
Withdrawn legal-status Critical Current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
    • B65B37/00—Supplying or feeding fluent-solid, plastic, or liquid material, or loose masses of small articles, to be packaged
    • B65B37/005—Supplying or feeding fluent-solid, plastic, or liquid material, or loose masses of small articles, to be packaged by endless belts or chains
    • 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
    • B65B39/00—Nozzles, funnels or guides for introducing articles or materials into containers or wrappers
    • B65B39/007—Guides or funnels for introducing articles into containers or wrappers
    • 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
    • B65B9/10—Enclosing successive articles, or quantities of material, in preformed tubular webs, or in webs formed into tubes around filling nozzles, e.g. extruded tubular webs
    • B65B9/20—Enclosing successive articles, or quantities of material, in preformed tubular webs, or in webs formed into tubes around filling nozzles, e.g. extruded tubular webs the webs being formed into tubes in situ around the filling nozzles
    • B65B9/2014—Tube advancing means
    • B65B9/2021—Tube advancing means combined with longitudinal welding devices
    • 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
    • B65B9/10—Enclosing successive articles, or quantities of material, in preformed tubular webs, or in webs formed into tubes around filling nozzles, e.g. extruded tubular webs
    • B65B9/20—Enclosing successive articles, or quantities of material, in preformed tubular webs, or in webs formed into tubes around filling nozzles, e.g. extruded tubular webs the webs being formed into tubes in situ around the filling nozzles
    • B65B9/2014—Tube advancing means
    • B65B9/2028—Rollers or belts
    • 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
    • B65B9/10—Enclosing successive articles, or quantities of material, in preformed tubular webs, or in webs formed into tubes around filling nozzles, e.g. extruded tubular webs
    • B65B9/20—Enclosing successive articles, or quantities of material, in preformed tubular webs, or in webs formed into tubes around filling nozzles, e.g. extruded tubular webs the webs being formed into tubes in situ around the filling nozzles
    • B65B9/207—Enclosing successive articles, or quantities of material, in preformed tubular webs, or in webs formed into tubes around filling nozzles, e.g. extruded tubular webs the webs being formed into tubes in situ around the filling nozzles the web advancing continuously

Definitions

  • This invention refers to a device for loading articles inside a vertical packaging machine forming tube.
  • Such devices can be advantageously used in the food industry to obtain consistent batches of packages ready to be shipped and marketed.
  • a vertical packaging machine of the known type generally consists of:
  • the packaging unit comprises a roller which holds a roll of film, generally made from synthetic material, for example polyethylene, which is unwound by means of an appropriate unwinder and can be wound around a forming tube on which it is continuously sealed.
  • a roll of film generally made from synthetic material, for example polyethylene
  • the products to be packaged are fed into the forming tube while the sealed film is pulled off the forming tube, retaining the shape of this device.
  • a sealing and cutting device is positioned at the exit of the forming tube to seal the flaps at the end of the package and to separate the package from the remaining film still wound around the forming tube.
  • Sealing of the end of the package preferably coincides with the upper part of the immediately adjacent package and is performed quickly and efficiently.
  • Sealing and cutting, to separate a package from the previous one, is generally carried out by means of steel blocks with a limited thermal dilation coefficient.
  • the packaging machine is also equipped with a device to adjust the sealing speed to the film infeed speed in order to prevent stretching the seal.
  • the insertion unit usually differs according to the type and size of the products to be packaged.
  • a screw feeder is used, for granular products a volumetric feeder, for medium-large granular products weighing scales are used, while when each product is packaged individually the feeder consists of an automatic loading device.
  • a drawback is represented by the fact that the products, dropped in from the upper part of the forming tube, fall onto the base of the forming tube, in correspondence with the sealing blocks, and may thus be damaged.
  • the aim of this invention is to provide a device for the insertion of products inside a forming tube, in particular for vertical packaging machines, that can eliminate or significantly reduce the drawbacks mentioned above, thus creating a loading device for a vertical packaging machine former that can place the articles to be loaded inside the forming tube delicately, in such a way as to avoid breakage or crushing of the said articles.
  • the former on which the device as per this invention is fitted generally comprises:
  • inside the forming tube is at least one platform, kinematically connected to any appropriate source of motion, said platform moving from a position close to the entry of the forming tube to a position in correspondence with the exit of the forming tube in order to carry products to be packaged towards the bottom of the forming tube instead of the products being dropped into the forming tube.
  • said at least one mobile platform is equipped with a fixing device designed to keep it in the product pick-up position during the working or descent phase from the entry to the exit of the forming tube.
  • the kinematic connection to the source of motion can be achieved by means of a double chain or a double toothed belt on which an edge of the platform can be hinged, the edge being temporarily constrained to said fixing device.
  • Said fixing device preferably consists of a single or double chain, or of a single or double toothed belt, connected to any appropriate source of motion and equipped with housings for pins that can be constrained to the platform in correspondence with the entry of the forming tube and unconstrained in correspondence with its exit.
  • said kinematic connection both for the platform and for the fixing device, consists of ball screws.
  • the shape of the platform is appropriate to the products to be conveyed; it may in fact have a flat support surface for relatively large-sized products, or a slightly concave shape towards the entry of the forming tube for granular or powder products.
  • reference number 10 indicates in general a forming tube in particular for vertical packaging machines.
  • the forming device 10 comprises a tube 11, a product insertion device 12 at the entry of the tube, a piece of metal sheeting 17 appropriately shaped in order to wrap the tube 11 with a film of synthetic material 14 unwound from a roll (not shown in the figures), a pair of pulling devices 13 for the said film 14 wound around the forming device 10, a device for the longitudinal sealing of the film, and a device for the transverse sealing and cutting 16 of the film 14.
  • the products are inserted in the inserter device 12, and drop into the forming tube, coming to rest in the area in which the two transverse sealing blocks 16 operate and which, by their action, create the base of the package being formed and, at the same time, the top of the already filled package immediately below the blocks 16.
  • a product insertion device 20 is present inside the tube 11 of the forming device 10.
  • the product insertion device 20 comprises a number of platforms 21 positioned inside the tube 11 which move respectively from a position close to the entry of the forming device 10 to a position in correspondence with the exit of the said forming device 10 in order to transfer the products to be packaged 20 towards the bottom of the tube 11 avoiding a direct drop.
  • each platform 21 remains substantially transversal with respect to the longitudinal axis of the tube 11 thanks to the action of a fixing device designed to temporarily constrain the edge of each platform 21 opposite to the edge hinged to the double chain 23.
  • the forming tube 10 is equipped with a positioning unit (not shown in the figures) which can consist of a spring mechanism and stops that act on the platforms in order to block them in the product loading position transversal to the direction of movement.
  • a positioning unit (not shown in the figures) which can consist of a spring mechanism and stops that act on the platforms in order to block them in the product loading position transversal to the direction of movement.
  • the forming tube 10 is equipped with a release device (not shown) designed to release the pin 22 so that the platform 21 is parallel to the infeed direction of the chains 23, 24.
  • the platform then moves back up along the wall of the tube 11 to return to the starting position.
  • Each platform 21 may have a concave shape towards the entry of the forming tube 10 if the products are granular or in powder.
  • the platforms 21 can be moved by means of ball screw mechanisms or by toothed belts.
  • the insertion device consists of a single platform that is loaded with the products at the entry of the forming tube and then descends inside the said tube by means of appropriate mechanical means easily understandable to a less expert technician, for example by means of a mechanism equipped with pneumatic or hydraulic actuators, or a worm screw mechanism.
  • the end part of the forming tube is equipped with a release device that frees the platform which rotates around a horizontal pin and allows the products to drop a very short distance onto the bottom of the package in order to ensure that the products are not damaged.
  • the platform moves back up and once it reaches the entry of the forming tube it is returned to the loading position and blocked.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Containers And Plastic Fillers For Packaging (AREA)
EP01105501A 2000-07-17 2001-03-05 Dispositif pour insérer des produits dans un tube de façonnage d'une machine d'emballage verticale Withdrawn EP1184282A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITVR200035U 2000-07-17
ITVR20000035 IT251039Y1 (it) 2000-07-17 2000-07-17 Dispositivo per l'inserimento prodotti all'interno di un conformatoreper macchina confezionatrice verticale.

Publications (1)

Publication Number Publication Date
EP1184282A1 true EP1184282A1 (fr) 2002-03-06

Family

ID=11461815

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01105501A Withdrawn EP1184282A1 (fr) 2000-07-17 2001-03-05 Dispositif pour insérer des produits dans un tube de façonnage d'une machine d'emballage verticale

Country Status (2)

Country Link
EP (1) EP1184282A1 (fr)
IT (1) IT251039Y1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006038065A2 (fr) * 2004-10-05 2006-04-13 Aroma System Srl Dispositif de controle de descente de produits delicats dans le tube de mise en forme de machine d'emballage verticale
WO2010035295A1 (fr) * 2008-09-29 2010-04-01 Rfm Consulting S.R.L. Machine d'emballage de produit
WO2023126064A1 (fr) * 2021-12-30 2023-07-06 Wolf Verpackungsmaschinen Gmbh Appareil et procédé de transport de produits dans une machine d'emballage verticale de sacs tubulaires
EP4227228A1 (fr) * 2022-02-10 2023-08-16 Ulma Packaging, S.Coop. Machine de conditionnement vertical

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2348855A1 (fr) * 1976-04-23 1977-11-18 Boulant Et Cie Dispositif pour l'emballage automatique de produits fragiles
CH652085A5 (en) * 1981-08-31 1985-10-31 Ilapak Res & Dev Sa Tubular-bag machine
US4722373A (en) * 1986-01-16 1988-02-02 Robert Bosch Gmbh Apparatus for producing and filling bag packages

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2348855A1 (fr) * 1976-04-23 1977-11-18 Boulant Et Cie Dispositif pour l'emballage automatique de produits fragiles
CH652085A5 (en) * 1981-08-31 1985-10-31 Ilapak Res & Dev Sa Tubular-bag machine
US4722373A (en) * 1986-01-16 1988-02-02 Robert Bosch Gmbh Apparatus for producing and filling bag packages

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006038065A2 (fr) * 2004-10-05 2006-04-13 Aroma System Srl Dispositif de controle de descente de produits delicats dans le tube de mise en forme de machine d'emballage verticale
WO2006038065A3 (fr) * 2004-10-05 2006-06-01 Aroma System Srl Dispositif de controle de descente de produits delicats dans le tube de mise en forme de machine d'emballage verticale
WO2010035295A1 (fr) * 2008-09-29 2010-04-01 Rfm Consulting S.R.L. Machine d'emballage de produit
WO2023126064A1 (fr) * 2021-12-30 2023-07-06 Wolf Verpackungsmaschinen Gmbh Appareil et procédé de transport de produits dans une machine d'emballage verticale de sacs tubulaires
EP4227228A1 (fr) * 2022-02-10 2023-08-16 Ulma Packaging, S.Coop. Machine de conditionnement vertical

Also Published As

Publication number Publication date
IT251039Y1 (it) 2003-11-04
ITVR20000035V0 (it) 2000-07-17
ITVR20000035U1 (it) 2002-01-17

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