US20050066625A1 - Packer machine - Google Patents

Packer machine Download PDF

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Publication number
US20050066625A1
US20050066625A1 US10/951,627 US95162704A US2005066625A1 US 20050066625 A1 US20050066625 A1 US 20050066625A1 US 95162704 A US95162704 A US 95162704A US 2005066625 A1 US2005066625 A1 US 2005066625A1
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US
United States
Prior art keywords
packer
wheel
leaf
gripper
stable
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.)
Abandoned
Application number
US10/951,627
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English (en)
Inventor
Alessandro Minarelli
Alessandro Venturoli
Stefano Bovina
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.)
GD SpA
Original Assignee
GD 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 GD SpA filed Critical GD SpA
Assigned to G. D S.P.A. reassignment G. D S.P.A. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: BOVINA, STEFANO, MINARELLI, ALESSANDRO, VENTUROLI, ALESSANDRO
Publication of US20050066625A1 publication Critical patent/US20050066625A1/en
Abandoned legal-status Critical Current

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    • 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
    • B65B19/00—Packaging rod-shaped or tubular articles susceptible to damage by abrasion or pressure, e.g. cigarettes, cigars, macaroni, spaghetti, drinking straws or welding electrodes
    • B65B19/02—Packaging cigarettes
    • B65B19/22—Wrapping the cigarettes; Packaging the cigarettes in containers formed by folding wrapping material around formers
    • B65B19/223—Wrapping the cigarettes; Packaging the cigarettes in containers formed by folding wrapping material around formers in a curved path; in a combination of straight and curved paths, e.g. on rotary tables or other endless conveyors
    • B65B19/226—Wrapping the cigarettes; Packaging the cigarettes in containers formed by folding wrapping material around formers in a curved path; in a combination of straight and curved paths, e.g. on rotary tables or other endless conveyors using endless conveyors having pockets, each pocket being provided with separate members, e.g. folders

Definitions

  • the present invention relates to a packer machine.
  • Cigarette packers of prior art design typically comprise a wrapping wheel equipped with a plurality of conveying heads, each affording a pocket such as will admit and retain a product for wrapping, and a predetermined placement area in which a respective leaf of wrapping material is received and held over the mouth of the relative pocket in a predetermined position by respective retaining components.
  • the wheel is driven intermittently in rotation about a fixed center axis in such a way as to advance the conveying head along a circular path passing through a first infeed station, where the product is directed into the pocket, a second infeed station where the leaf of wrapping material is positioned in the predetermined placement area, and an outfeed station where the product is ejected from the pocket, directed forcibly against the leaf of wrapping material and transferred thus together with the selfsame leaf to a further wrapping wheel.
  • the aforementioned retaining components consist normally in two grippers serving to hold down one end of the leaf of wrapping material, the grippers themselves being maintained in the active position by means of one or more springs.
  • the spring For the retaining action exerted on the leaf of material by the gripper to be effective, the spring must be capable of applying a strong elastic force.
  • the grippers must be held open by suitable means, that is to say maintained in a receiving position, for a given duration sufficient to allow the insertion of the leaf.
  • the means in question must be able to overcome the force of the spring for the predetermined duration.
  • a further drawback connected with the use of conventional packers is their limited versatility, in terms of the different sizes of products that can be wrapped.
  • the position of the retaining means on the wrapping wheel also dictates the dimensions of the leaf of wrapping material, and only by carrying out costly and laborious modifications to alter the size of the grippers is it possible to obtain some measure of adaptability, enabling the machine to accommodate different sizes of product.
  • the object of the present invention is to provide a packer machine unaffected by the aforementioned drawbacks, such as will be effective, as well as simple and economical to implement.
  • a packer machine of the type with a conveying wheel presenting at least one pocket, internally of which to accommodate a product, and at least one predetermined placement area in which to accommodate a leaf of wrapping material destined to envelop the product, set in rotation about a center axis in such a way as to advance the product and the leaf of wrapping material along a feed path; also a first infeed station located along the feed path, at which a product is directed into the pocket, a second infeed station located along the selfsame path, at which a single leaf of wrapping material is directed into the placement area, and a mechanism by which a product is ejected from the conveying wheel and transferred together with a relative leaf of wrapping material to an external conveyor.
  • the machine disclosed further comprises retaining means equipped with at least one gripper capable of movement between a first stable position, in which a single leaf of wrapping material is held by the action of the selfsame gripper in contact with the predetermined placement area, and a second stable position in which the leaf of wrapping material is released.
  • FIG. 1 illustrates a packer embodied according to the present invention, viewed schematically and in elevation with certain parts omitted better to reveal others;
  • FIGS. 2 and 3 show the packer of FIG. 1 in two different operating configurations
  • FIGS. 4 and 5 each show a detail of the packer illustrated in FIGS. 1 to 3 , viewed partly in section and with certain parts omitted for clarity, and seen in two different operating configurations;
  • FIG. 6 shows a detail of the packer illustrated in FIGS. 1 to 5 viewed in perspective from above;
  • FIG. 7 shows a detail of the packer illustrated in FIGS. 1 to 5 , viewed schematically and in elevation.
  • 1 denotes a cigarette packer, in its entirety, equipped with a conveying wheel 2 power driven in conventional manner and indexed in rotation about an axis 3 normal to the viewing plane of FIG. 1 , which carries four peripheral heads 4 spaced apart at identical angular distance around the axis 3 .
  • Each head 4 affords a pocket or first recess 5 such as will admit and retain a group 6 of cigarettes, positioned radially with respect to the axis 3 , and a predetermined placement area or second recess 7 extending along the outer periphery of the wheel 2 and associated with the first recess 5 ; the second recess 7 serves to admit and retain a leaf 8 of wrapping material in a position tangential to the periphery of the wheel 2 , extending flat across a mouth 9 of the first recess 5 .
  • Each head 4 is directed by the rotating wheel 2 along a feed path P, passing through a product infeed station S 1 where a group 6 of cigarettes is directed into the relative first recess 5 from a feed wheel 11 of conventional embodiment driven in rotation intermittently about a respective axis (not illustrated) parallel to the axis 3 of the conveying wheel 2 .
  • the single head 4 is directed similarly through a wrapper infeed station S 2 , at which a relative leaf 8 of wrapping material is released into the placement area or second recess 7 by a wrapper feed unit 12 , also through an outfeed station S 3 at which the group 6 of cigarettes is ejected from the head 4 , forced against the leaf 8 of wrapping material and directed together with the selfsame leaf 8 onto a downstream wrapping wheel 14 of conventional embodiment, driven intermittently in rotation about a relative axis (not illustrated) parallel to the axis 3 of the conveying wheel 2 .
  • Each of the heads 4 comprises a gripper device 15 associated with the relative first recess 5 and serving to retain a relative group 6 of cigarettes internally of the selfsame recess 5 , counteracting the centrifugal force generated by the rotation of the wheel 2 .
  • the gripper device 15 comprises two jaws 16 pivotable about respective axes 17 parallel to the axis 3 of the wheel 2 and capable thus of movement, induced by a conventional cam mechanism (not illustrated), toward and away from a retaining position in which the two jaws 16 close across the mouth 9 of the recess.
  • each head 4 is a pusher 19 of conventional embodiment, illustrated only in part in the accompanying drawings and only in the context of the outfeed station S 3 .
  • the pusher 19 is driven by a cam mechanism of familiar embodiment (not illustrated), and translatable internally of the pocket or first recess 5 in such a way as to transfer a corresponding group 6 of cigarettes from the pocket to the downstream wrapping wheel 14 .
  • this same pusher 19 will also operate in conjunction with a similar pusher (not illustrated) forming part of the product feed wheel 11 , to the end of transferring a group 6 of cigarettes from the feed wheel 11 into the pocket.
  • Each head 4 further comprises two grippers 20 associated with the second recess 7 and serving to retain a relative leaf 8 of wrapping material in a fixed position, in direct contact with the selfsame recess 7 , thus counteracting the centrifugal force generated by the rotation of the wheel 2 .
  • the two grippers 20 of each head 4 are located alongside one another in a direction normal to the viewing plane of FIGS. 1, 2 and 3 , and accordingly, only one of the two grippers can be seen in these same drawings.
  • the aforementioned feed unit 12 supplying the leaves 8 of wrapping material is conventional in embodiment, comprising an outer wheel 21 driven in rotation about a respective axis 22 parallel to the axis 3 of the conveying wheel 2 and rolling around a fixed inner wheel 23 that constitutes the valve of a pneumatic transport system by which the single leaves 8 of wrapping material are held in contact with the outer wheel 21 , retained by the force of suction generated through a plurality of holes 24 formed in the periphery of the selfsame wheel 21 .
  • Each gripper 20 occupies a position forward of the respective second recess 7 , considered relative to the direction in which the wheel 2 rotates along the feed path P. More precisely, the grippers 20 are carried each by a respective mounting 25 shown in detail in FIG. 7 .
  • the gripper 20 is anchored to the relative mounting 25 by way of a pivot 26 aligned on an axis 27 parallel to the axis 3 of the wheel 2 , and able thus to rock on the pivot between a first stable position illustrated by the solid lines of FIG. 7 , in which a leaf 8 of wrapping material is held in place, and a second stable position illustrated by phantom lines in FIG. 7 , in which the leaf 8 of material is released.
  • the gripper 20 is fashioned as a rocker comprising a first arm 20 a and a second arm 20 b positioned on opposite sides of the pivot 26 .
  • FIG. 3 illustrates the first stable position of the aforementioned rocker 20 , in which a leaf 8 of wrapping material is held by the first arm 20 a in contact with the second recess 7 .
  • the first arm 20 a functions as a movable jaw of the single gripper 20 and serves thus to exert the retaining action on the leaf 8 .
  • FIG. 2 illustrates the second stable position of the rocker 20 , in which a leaf 8 of wrapping material can be both taken up at the second infeed station S 2 , and released at the outfeed station S 3 .
  • each of the grippers 20 comprises a first portion 28 of ferromagnetic material associated with the first arm 20 a.
  • the mounting 25 comprises a second portion 29 of ferromagnetic material facing the first portion 28 .
  • each gripper 20 also comprises a third portion 30 of ferromagnetic material associated with the second arm 20 b , whilst the mounting 25 comprises a fourth portion 31 of ferromagnetic material facing the third portion 30 .
  • the packer 1 further comprises two rollers 32 rotatable about a common axis 32 a disposed parallel to the aforementioned axis 3 and located beyond the periphery of the conveying wheel 2 , occupying a fixed position between the two stations denoted S 2 and S 3 .
  • Each roller 32 is designed to engage one of the two respective grippers 20 associated with each head 4 .
  • FIGS. 1, 2 and 3 Only one of the two rollers 32 can be seen in FIGS. 1, 2 and 3 , given that the rollers are located alongside one another in a direction normal to the viewing plane.
  • Each such roller 32 functions as a transmission component 33 for one gripper 20 , by which the gripper is intercepted in a manner to be described in due course.
  • the packer 1 is also equipped with a shifter component 34 located beyond the periphery of the conveying wheel 2 and along the feed path P, at a given point downstream of the outfeed station S 3 .
  • the shifter component 34 comprises a rocking lever 35 mounted centrally to a fulcrum pivot 36 and able thus to rock about the axis 37 of the pivot 36 .
  • the lever 35 presents a first arm 38 and a second arm 39 .
  • the first arm 38 presents one end 40 furnished with a following roller 40 a such as will engage the single grippers 20 in a manner to be described more exactly in due course.
  • the second arm 39 presents one end 41 connected pivotably to a connecting rod denoted 42 ; the rod is coupled in its turn to a cam member 43 driven in rotation by a motor of conventional type neither illustrated nor described further.
  • the packer 1 comprises an element 44 associated with each of the grippers 20 and serving to house the respective mounting 25 . Illustrated separately in FIG. 6 , the element 44 in question occupies a position on the periphery of the wheel 2 during the operation of the machine, as discernible clearly in FIG. 4 .
  • Each housing element 44 comprises a plurality of holes 45 such as will accept respective fastening elements 46 secured to the mounting 25 together with a relative clamp plate 47 .
  • the holes 45 are arranged in succession along a circumferential segment of the conveying wheel 2 .
  • the mounting 25 presents two clearance openings 48 fashioned as slots and affording respective areas 49 through which the fastening elements 46 are insertable.
  • the aforementioned transmission component 33 and shifter component 34 combine to provide the packer with actuator means 50 by which the gripper 20 is operated during each successive pass, between the aforementioned first stable retaining position and second stable release position.
  • the wrapping wheel 14 forms a part of external conveying means 13 serving to carry the groups 6 of cigarettes downstream.
  • the aforementioned portions 28 , 29 , 30 and 31 of ferromagnetic material together constitute holding means 51 serving to ensure that each gripper 20 is retained in the first and second stable positions.
  • the grippers 20 combine with the holding means 51 to furnish the packer 1 with respective means 52 by which the single leaves 8 of wrapping material are retained in the respective second recesses 7 .
  • each gripper 20 could be fashioned entirely from ferromagnetic material, in which case there will be no distinct first and third portions 28 and 30 of the selfsame material by reason of their being incorporated directly into the structure of the gripper 20 .
  • the shifter component 34 operating the grippers 20 might comprise a pneumatic or hydraulic actuator or a magnetic repulsion device.
  • the magnetic repulsion device could comprise an electromagnet designed, in operation, to generate a magnetic field acting on the arm 20 b of a gripper 20 in such a way that this same arm will be distanced from the magnet and held in the release position to free the leaf 8 of wrapping material.
  • the head 4 pauses at the station S 1 to allow the transfer of a group 6 of cigarettes into the pocket or first recess 5 , in conventional manner, and is thereupon advanced toward the second station S 2 by an counterclockwise movement of the wheel 2 .
  • the jaws 16 of the relative gripper device 15 are drawn into the retaining position to hold the group 6 in the recess 5 .
  • the relative grippers 20 will be in the second stable position, allowing the second recess 7 to admit a corresponding leaf 8 of wrapping material supplied by the feed unit 12 in familiar manner.
  • the mechanical force induced by the contact between the roller 32 of the transmission component 33 and the first arm 20 a of the gripper 20 will overcome the force of magnetic attraction generated between the third and fourth portions 30 and 31 of ferromagnetic material.
  • FIG. 3 which shows the first retaining position of the gripper 20
  • the first and second portions 28 and 29 of ferromagnetic material are attracted to one another and drawn as a result substantially into mutual contact, separated only by an interposed portion of the leaf 8 of wrapping material.
  • the head 4 is advanced further along the feed path P as the wheel 2 resumes its counterclockwise rotation, and reaches the outfeed station S 3 .
  • the wheel 2 pauses and the gripper 20 is caused by the shifter component 34 to move from the first stable position, in which the leaf 8 is retained, to the second stable position allowing the release of the leaf 8 , whereupon the leaf 8 can be distanced from the recess 7 through the forcing action of the group 6 of cigarettes when transferred to the downstream wheel 14 by the ejecting stroke of the pusher 19 .
  • a rotation of the cam member 43 driven as aforementioned by a motor not illustrated, will shift the rod 42 and produce a corresponding movement of the lever 35 about the relative axis 37 .
  • the following roller 40 a carried by the end 40 of the first arm 38 engages and pushes against the second arm 20 b of the gripper 20 .
  • the force exerted by the cam-driven linkage has the effect of overcoming the magnetic force of attraction between the first portion 28 and the second portion 29 of ferromagnetic material, which in the absence of any external overriding action will maintain the gripper 20 in the first stable retaining position.
  • the first and second portions 28 and 29 of ferromagnetic material are pulled apart by the movement of the gripper 20 as it rocks on the pivot axis 27 , and the leaf 8 of wrapping material is freed.
  • the gripper 20 reassumes the second stable position allowing the release of the leaf 8 .
  • the element 44 which houses the mounting 25 is fashioned in such a way as to determine a plurality of different angular positions assumable by the mounting 25 relative to the axis 3 of the wheel 2 , each one allowing the placement area or second recess 7 to accommodate a different size of leaf 8 .
  • the mounting 25 is repositioned in practice by inserting each fastening element 46 in one of a plurality of different holes 45 to obtain a first approximate position. The exact position can then be selected utilizing the margin for adjustment afforded by the slots 48 .
  • the transmission component 33 positioned outside the peripheral compass of the conveying wheel 2 and designed to intercept the gripper 20 , need not necessarily be a roller 32 but could be embodied equally well as a fixed profile such as a cam, or a movable locating element of substantially familiar type.
  • the positioning slots might be formed directly in the wheel 2 rather than in a movable housing element 44 , whilst the mounting 25 might afford simple threaded holes, or use could be made of other fastening elements secured directly to the mounting 25 .

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Wrapping Of Specific Fragile Articles (AREA)
  • Basic Packing Technique (AREA)
  • Auxiliary Devices For And Details Of Packaging Control (AREA)
US10/951,627 2003-09-30 2004-09-29 Packer machine Abandoned US20050066625A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT000561A ITBO20030561A1 (it) 2003-09-30 2003-09-30 Macchina impacchettatrice
ITBO2003A000561 2003-09-30

Publications (1)

Publication Number Publication Date
US20050066625A1 true US20050066625A1 (en) 2005-03-31

Family

ID=34308081

Family Applications (1)

Application Number Title Priority Date Filing Date
US10/951,627 Abandoned US20050066625A1 (en) 2003-09-30 2004-09-29 Packer machine

Country Status (5)

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US (1) US20050066625A1 (fr)
EP (1) EP1520785A3 (fr)
JP (1) JP2005104592A (fr)
CN (1) CN1608949A (fr)
IT (1) ITBO20030561A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040111251A1 (en) * 2002-12-09 2004-06-10 Alacritus, Inc. Method and system for emulating tape libraries
US20170144789A1 (en) * 2014-05-15 2017-05-25 Duoseal Automatics B.V. Apparatus and method for sealing or tying products
US20170313449A1 (en) * 2014-10-31 2017-11-02 British American Tobacco (Investments) Limited Apparatus and Method for Manufacturing a Smoking Article Pack

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2942291B1 (fr) * 2014-05-05 2016-12-28 M.C. AUTOMATIONS S.r.l. Dispositif d'alimentation pour des machines à emballer des produits de confiserie
EP2942293B8 (fr) * 2014-05-05 2017-11-29 M.C. AUTOMATIONS S.r.l. Appareil pour le conditionnement des produits de confiserie
ITUB20154801A1 (it) * 2015-10-16 2017-04-16 Gd Spa Macchina impacchettatrice e metodo di incarto per realizzare un pacchetto di articoli da fumo contenente due gruppi di articoli da fumo tra loro distinti.
CN112373786A (zh) * 2020-11-30 2021-02-19 河南中烟工业有限责任公司 卷烟包装机烟支成型输送轮装置

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1445622A (en) * 1923-02-20 Wbappihg- maghihe
US2370072A (en) * 1944-02-09 1945-02-20 Wrigley W M Jun Co Wrapping machine
US2933871A (en) * 1957-02-15 1960-04-26 Forgrove Mach Wrapping machines
US4548019A (en) * 1982-12-08 1985-10-22 Hauni-Werke Korber & Co. Kg. Packing machine for cigarettes or the like
US5457932A (en) * 1993-09-15 1995-10-17 Sasib S.P.A. Device with a packaging wheel, for supplying sheets, in particular in cigarette packaging machines
US6219995B1 (en) * 1998-07-06 2001-04-24 G.D S.P.A. Packaging machine
US6324817B1 (en) * 1998-07-08 2001-12-04 G. D Societa'per Azioni Method for applying a wrapping material to a product
US6901721B2 (en) * 2002-05-06 2005-06-07 G.D S.P.A. Unit for overwrapping packets

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5442894A (en) * 1992-01-28 1995-08-22 Tokyo Automatic Machinery Works, Ltd. Packaging device
IT1304027B1 (it) * 1998-07-08 2001-03-02 Gd Spa Metodo e macchina per l'incarto di prodotti.

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1445622A (en) * 1923-02-20 Wbappihg- maghihe
US2370072A (en) * 1944-02-09 1945-02-20 Wrigley W M Jun Co Wrapping machine
US2933871A (en) * 1957-02-15 1960-04-26 Forgrove Mach Wrapping machines
US4548019A (en) * 1982-12-08 1985-10-22 Hauni-Werke Korber & Co. Kg. Packing machine for cigarettes or the like
US5457932A (en) * 1993-09-15 1995-10-17 Sasib S.P.A. Device with a packaging wheel, for supplying sheets, in particular in cigarette packaging machines
US6219995B1 (en) * 1998-07-06 2001-04-24 G.D S.P.A. Packaging machine
US6324817B1 (en) * 1998-07-08 2001-12-04 G. D Societa'per Azioni Method for applying a wrapping material to a product
US6901721B2 (en) * 2002-05-06 2005-06-07 G.D S.P.A. Unit for overwrapping packets

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040111251A1 (en) * 2002-12-09 2004-06-10 Alacritus, Inc. Method and system for emulating tape libraries
US20170144789A1 (en) * 2014-05-15 2017-05-25 Duoseal Automatics B.V. Apparatus and method for sealing or tying products
US10807754B2 (en) * 2014-05-15 2020-10-20 Duoseal Automatics B.V. Apparatus and method for sealing or tying products
US20170313449A1 (en) * 2014-10-31 2017-11-02 British American Tobacco (Investments) Limited Apparatus and Method for Manufacturing a Smoking Article Pack

Also Published As

Publication number Publication date
EP1520785A2 (fr) 2005-04-06
JP2005104592A (ja) 2005-04-21
CN1608949A (zh) 2005-04-27
EP1520785A3 (fr) 2005-04-13
ITBO20030561A1 (it) 2005-04-01

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Date Code Title Description
AS Assignment

Owner name: G. D S.P.A., ITALY

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:MINARELLI, ALESSANDRO;VENTUROLI, ALESSANDRO;BOVINA, STEFANO;REEL/FRAME:015847/0492

Effective date: 20040922

STCB Information on status: application discontinuation

Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION