EP0654329A1 - Procédé et dispositif pour le cisaillement d'un matériau en forme de ruban - Google Patents

Procédé et dispositif pour le cisaillement d'un matériau en forme de ruban Download PDF

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Publication number
EP0654329A1
EP0654329A1 EP94118063A EP94118063A EP0654329A1 EP 0654329 A1 EP0654329 A1 EP 0654329A1 EP 94118063 A EP94118063 A EP 94118063A EP 94118063 A EP94118063 A EP 94118063A EP 0654329 A1 EP0654329 A1 EP 0654329A1
Authority
EP
European Patent Office
Prior art keywords
cutting
conveyor
cutting means
roller
axis
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.)
Granted
Application number
EP94118063A
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German (de)
English (en)
Other versions
EP0654329B1 (fr
Inventor
Fiorenzo Draghetti
Salvatore Rizzoli
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
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GD SpA
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Publication of EP0654329A1 publication Critical patent/EP0654329A1/fr
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Publication of EP0654329B1 publication Critical patent/EP0654329B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
    • B26D1/56—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which travels with the work otherwise than in the direction of the cut, i.e. flying cutter
    • B26D1/62—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which travels with the work otherwise than in the direction of the cut, i.e. flying cutter and is rotating about an axis parallel to the line of cut, e.g. mounted on a rotary cylinder
    • B26D1/626—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which travels with the work otherwise than in the direction of the cut, i.e. flying cutter and is rotating about an axis parallel to the line of cut, e.g. mounted on a rotary cylinder for thin material, e.g. for sheets, strips or the like
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24C—MACHINES FOR MAKING CIGARS OR CIGARETTES
    • A24C5/00—Making cigarettes; Making tipping materials for, or attaching filters or mouthpieces to, cigars or cigarettes
    • A24C5/47—Attaching filters or mouthpieces to cigars or cigarettes, e.g. inserting filters into cigarettes or their mouthpieces
    • A24C5/471—Attaching filters or mouthpieces to cigars or cigarettes, e.g. inserting filters into cigarettes or their mouthpieces by means of a connecting band
    • A24C5/473—Cutting the connecting band
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
    • B26D1/01—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work
    • B26D1/12—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis
    • B26D1/25—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a non-circular cutting member
    • B26D1/34—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a non-circular cutting member moving about an axis parallel to the line of cut
    • B26D1/42—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a non-circular cutting member moving about an axis parallel to the line of cut and slidably mounted in a rotary member
    • B26D1/425—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a non-circular cutting member moving about an axis parallel to the line of cut and slidably mounted in a rotary member for thin material, e.g. for sheets, strips or the like

Definitions

  • the present invention relates to a method of scissor cutting strip material.
  • sinor cutting is intended to mean a cut made by two blades contacting each other at successive points, which contact may be made in two distinct ways depending on whether the planes of the two blades are inclined or parallel to each other.
  • scissor cutting is normally effected by "grazing” of the substantially coplanar cutting edges of the blades which are moved substantially crosswise to their planes.
  • scissor cutting is normally effected by "penetration", the cutting edge of one blade being positioned obliquely in relation to that of the other, and the two blades being moved in relation to each other within the plane.
  • Connecting bands are known to be graze scissor cut from a continuous strip using the device described in US Patent n. 4,943,341 granted to the present Applicant, wherein a strip feed roller presents a number of inclined blades, the cutting edge of each of which is grazed at successive points by the cutting edge of a respective blade on another roller to cut the strip into segments.
  • British Patent Application n. 2,220,878 relates to a penetration scissor cutting device comprising a conveyor roller for feeding a continuous strip to a cutting station and in turn comprising a succession of peripheral suction sectors separated by grooves extending along respective generating lines of the roller.
  • Each of the grooves presents a cutting edge and is gradually engaged, in the region of the cutting station, by the oblique cutting end of an outer blade positioned substantially radially on a cutting roller parallel to and rotating in the opposite direction and in time with the conveyor roller.
  • each outer blade as it penetrates inside the respective groove, draws part of the strip with it inside the groove and is inevitably soiled with gum which, despite the provision of cleaning assemblies contacting the outer blades clear of the cutting station, may result in frequent stoppage of the filter assembly machine for cleaning purposes.
  • deformation of the strip by the outer blade, so that part of the strip penetrates inside the groove may result in inaccurate cutting of the strip.
  • a method of scissor cutting strip material comprising the steps of feeding a continuous strip, by means of a first conveyor, to a cutting station and into engagement with a cutting unit comprising a succession of first cutting means moving with the first conveyor; feeding through the cutting station, and in time with the first cutting means, a succession of second cutting means forming part of the cutting unit, the second cutting means being brought gradually into engagement with the corresponding first cutting means to cut the strip into segments; and successively feeding the segments to a second conveyor; characterized in that gradual engagement of the first and second cutting means is achieved by moving each first cutting means in relation to the first conveyor and towards the corresponding second cutting means at least when traveling through the cutting station.
  • the first cutting means are moved in relation to the first conveyor by moving the first cutting means through the first conveyor and to and from a partially extracted cutting position.
  • the present invention also relates to a device for scissor cutting strip material.
  • a device for scissor cutting strip material comprising a first conveyor for feeding a continuous strip through a cutting station; a cutting unit for engaging the strip at the cutting station and cutting it into segments; and a second conveyor for successively receiving said segments at a transfer station; the cutting unit comprising a succession of first cutting means moving with the first conveyor, and a succession of second cutting means moving through the cutting station in time with the first cutting means and which gradually engage the corresponding first cutting means to cut the strip into segments; characterized in that the first cutting means are movable in relation to the first conveyor; activating means being provided for moving each first cutting means in relation to the first conveyor and towards the corresponding second cutting means at least when traveling through the cutting station.
  • the first cutting means are mounted through the first conveyor and are moved, in relation to the first conveyor and by said activating means, to and from a partially extracted cutting position wherein each first cutting means projects partially outwards of the first conveyor and towards the second cutting means.
  • Number 1 in Figure 1 indicates a filter assembly machine comprising a device 2 for cutting and feeding a succession of bands 3 to a known conveyor roller 4 on which groups 5, comprising two cigarette portions separated by a double filter, are retained pneumatically in known manner inside respective seats 6 parallel to the generating lines of roller 4.
  • Roller 4 feeds groups 5 transversely through a transfer station 7 where bands 3 are applied by device 2 to the outer periphery of respective groups 5.
  • Device 2 comprises a feed unit 8 in turn comprising a conveyor roller 9 for receiving a strip 10 of sheet material with a gummed surface 10a opposite the surface contacting roller 9, and for feeding strip 10 through a cutting station 11 where it is cut into bands 3 by a cutting unit 12 forming part of device 2.
  • Roller 9 is rotated clockwise (in Figure 1) by known drive means (not shown) about a substantially horizontal axis 13 perpendicular to the Figure 1 plane, and presents a cylindrical outer surface 14 tangent to conveyor roller 4 at transfer station 7.
  • Roller 9 is a tubular roller defined by a succession of suction segments or sectors 15 equally spaced about axis 13 and each separated from the adjacent sector 15 by a radial axial slit 16.
  • Sectors 15 are connected to one another by end plates 15a ( Figure 3), and each presents a number of through axial suction channels 17, each of which communicates on one side with a known suction device (not shown) and on the other with a number of holes 18 extending radially through sector 15 and communicating externally through surface 14.
  • Cutting unit 12 comprises two rollers 19 and 20 fitted to respective drive shafts 21 and 22 rotating, the first in the opposite direction and the second in the same direction as roller 9, about respective axes 23 and 24 parallel to axis 13.
  • Roller 19 presents a number of substantially radial appendixes 25 equal in number to slits 16, equally spaced about axis 23, and each fitted by means of a respective screw 26 with a respective blade 27 (hereinafter referred to as the "outer blade") lying in a plane parallel to axis 23 and presenting a cutting edge 28 on its free end.
  • Each edge 28 is oblique in relation to axis 23, and presents a tip 29 facing surface 14 of roller 9 and traveling along a circular path interfering with surface 14 at cutting station 11.
  • Roller 20 is a cylindrical roller housed inside roller 9 and which presents a number of substantially radial blades 30 (hereinafter referred to as "inner blades”) equally spaced about axis 24 and fitted to the periphery of roller 20 by means of respective fastening devices 31.
  • Inner blades 30 are equal in number to slits 16, and each engages a respective slit 16 in radially-sliding transversely-slack manner.
  • each inner blade 30 presents a free end portion 32 in turn presenting an axial groove 33 on the side facing upstream in the rotation direction of roller 20.
  • portion 32 is also defined by a surface 34 sloping inwards and downstream in relation to a plane tangent to surface 14 and moving with inner blade 30.
  • Groove 33 is defined by a first surface 35 crosswise to respective inner blade 30, and by a second surface 36 extending outwards from surface 35 and obliquely in relation to the mid radial plane of respective inner blade 30, and which intersects surface 34 along an edge parallel to axis 13 and constituting the cutting edge 37 of inner blade 30.
  • Axis 24 of roller 20 is eccentric in relation to axis 13, and lies within a sector having its apex at axis 13 and subtended by an arc extending between stations 11 and 7; and the diameter of roller 20 is such that the outer surface 38 of roller 20 is substantially tangent to the cylindrical inner surface 39 of roller 9 inside said sector.
  • inner blades 30 project outwards of surface 38 by a length greater than the distance between surfaces 38 and 14, and at most equal to the sum of this distance and the difference between the diameters of surfaces 38 and 39, so that, when rollers 9 and 20 are rotated at the same speed about respective axes 13 and 24, inner blades 30 move through roller 9 and to and from an extracted position which is assumed at least at said sector and wherein edge 37 of each inner blade 30 projects outwards of surface 14.
  • rollers 9 and 20 on one side and roller 19 on the other are rotated in opposite directions, at the same speed, and in time with one another about respective axes 13, 24 and 23, so that each outer blade 27 laterally contacts a respective inner blade 30 at cutting station 11.
  • Strip 10 is fed in known manner on to surface 14 and, due to the eccentricity of axis 24 in relation to axis 13, the inner blade 30 approaching station 11 begins to project outwards of surface 14 before reaching station 11, thus detaching strip 10 from surface 14.
  • the oblique cutting edge 28 of the corresponding outer blade 27 contacts successive points of the cutting edge 37 of inner blade 30 and penetrates gradually inside groove 33 to scissor cut strip 10 transversely.
  • the connecting bands 3 so formed are fed successively to station 7 where they are applied by their gummed surfaces 10a to the periphery of respective groups 5.
  • each inner blade 30 constitutes an inner support for strip 10, for preventing strip 10 from folding inwards of slit 16 during the cutting operation, and so ensuring a precise cut, while at the same time preventing outer blade 27, with the exception of cutting edge 28, from contacting gummed surface 10a, thus substantially eliminating fouling of blade 27 by the gum during the cutting operation.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Cigarettes, Filters, And Manufacturing Of Filters (AREA)
  • Auxiliary Devices For And Details Of Packaging Control (AREA)
  • Making Paper Articles (AREA)
  • Shearing Machines (AREA)
  • Absorbent Articles And Supports Therefor (AREA)
  • Details Of Cutting Devices (AREA)
EP94118063A 1993-11-24 1994-11-15 Procédé et dispositif pour le cisaillement d'un matériau en forme de ruban Expired - Lifetime EP0654329B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITBO930469 1993-11-24
IT93BO000469A IT1264275B1 (it) 1993-11-24 1993-11-24 Metodo e dispositivo per il taglio a forbice di materiale in nastro.

Publications (2)

Publication Number Publication Date
EP0654329A1 true EP0654329A1 (fr) 1995-05-24
EP0654329B1 EP0654329B1 (fr) 1998-07-08

Family

ID=11339325

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94118063A Expired - Lifetime EP0654329B1 (fr) 1993-11-24 1994-11-15 Procédé et dispositif pour le cisaillement d'un matériau en forme de ruban

Country Status (6)

Country Link
EP (1) EP0654329B1 (fr)
JP (1) JPH07186088A (fr)
CN (1) CN1042592C (fr)
BR (1) BR9404712A (fr)
DE (1) DE69411508T2 (fr)
IT (1) IT1264275B1 (fr)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005051616A1 (fr) * 2003-11-24 2005-06-09 G.D Societa' Per Azioni Procede de maintenance predictive d'une unite de decoupage d'une machine automatique
CN102247002A (zh) * 2011-06-02 2011-11-23 云南同云科贸有限公司 在线烟绕切割装置
EP2399466A1 (fr) * 2010-06-22 2011-12-28 HAUNI Maschinenbau AG Tambour de transport de l'industrie de traitement du tabac
WO2012146791A1 (fr) * 2011-04-28 2012-11-01 Pasaban, S.A. Dispositif de coupe transversale de bandes de pâte de cellulose
CN104842390A (zh) * 2014-12-24 2015-08-19 王鑫 新型切纸装置
GB2526589A (en) * 2014-05-29 2015-12-02 British American Tobacco Co Smoking article assembly apparatus
EP4013246B1 (fr) 2019-10-02 2023-12-20 Körber Technologies GmbH Fourniture de parties de bande métallique pour segments de tabac

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102015200711B4 (de) * 2015-01-19 2016-09-01 Hauni Maschinenbau Gmbh Schneiden eines Belagpapierstreifens
DE102016112724B4 (de) * 2016-07-12 2018-02-08 Hauni Maschinenbau Gmbh Schneiden eines Belagpapierstreifens der Tabak verarbeitenden Industrie
DE102017213389B4 (de) * 2017-08-02 2022-07-28 Heidelberger Druckmaschinen Ag Rotationsstanze zum Ausstanzen eines Materialstücks aus einem Bedruckstoff
CN109968428B (zh) * 2017-12-27 2020-12-11 中烟机械技术中心有限责任公司 带状纸质材料切割装置
CN116353012B (zh) * 2023-06-02 2023-08-11 石狮佳南热熔胶有限公司 切边整齐的热熔胶膜切割回收系统

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE502976C (de) * 1928-12-13 1930-07-22 Leopold Rado Verfahren zum Schneiden von Blaettern bestimmter Laenge aus Bahnen
BE655845A (fr) * 1963-12-02 1965-05-17
BE663094A (fr) * 1964-07-02 1965-08-17
FR1465464A (fr) * 1965-10-18 1967-01-13 Windmoeller & Hoelscher Dispositif de découpage transversal pour feuilles continues de matière plastique
FR2414986A1 (fr) * 1978-01-23 1979-08-17 Tech Bois Centre Procede et dispositif pour couper, en continu et de facon rotative, une feuille transversalement a son sens de defilement
GB2220878A (en) * 1988-06-11 1990-01-24 Koerber Ag Apparatus for repeatedly serving running webs of tipping paper and the like
WO1993012974A1 (fr) * 1991-12-23 1993-07-08 R.A. Jones & Co. Appareil de formage, de remplissage et de fermeture hermetique de sachets, pour une large plage de dimensions de sachets

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE502976C (de) * 1928-12-13 1930-07-22 Leopold Rado Verfahren zum Schneiden von Blaettern bestimmter Laenge aus Bahnen
BE655845A (fr) * 1963-12-02 1965-05-17
BE663094A (fr) * 1964-07-02 1965-08-17
FR1465464A (fr) * 1965-10-18 1967-01-13 Windmoeller & Hoelscher Dispositif de découpage transversal pour feuilles continues de matière plastique
FR2414986A1 (fr) * 1978-01-23 1979-08-17 Tech Bois Centre Procede et dispositif pour couper, en continu et de facon rotative, une feuille transversalement a son sens de defilement
GB2220878A (en) * 1988-06-11 1990-01-24 Koerber Ag Apparatus for repeatedly serving running webs of tipping paper and the like
WO1993012974A1 (fr) * 1991-12-23 1993-07-08 R.A. Jones & Co. Appareil de formage, de remplissage et de fermeture hermetique de sachets, pour une large plage de dimensions de sachets

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005051616A1 (fr) * 2003-11-24 2005-06-09 G.D Societa' Per Azioni Procede de maintenance predictive d'une unite de decoupage d'une machine automatique
US7561940B2 (en) 2003-11-24 2009-07-14 G.D. Societa' Per Azioni Method for predictive maintenance of a cutting unit of an automatic machine
EP2399466A1 (fr) * 2010-06-22 2011-12-28 HAUNI Maschinenbau AG Tambour de transport de l'industrie de traitement du tabac
CN102326861A (zh) * 2010-06-22 2012-01-25 豪尼机械制造股份公司 烟草加工业的输送滚筒
CN102326861B (zh) * 2010-06-22 2015-05-20 豪尼机械制造股份公司 烟草加工业的输送滚筒
WO2012146791A1 (fr) * 2011-04-28 2012-11-01 Pasaban, S.A. Dispositif de coupe transversale de bandes de pâte de cellulose
CN102247002A (zh) * 2011-06-02 2011-11-23 云南同云科贸有限公司 在线烟绕切割装置
GB2526589A (en) * 2014-05-29 2015-12-02 British American Tobacco Co Smoking article assembly apparatus
CN104842390A (zh) * 2014-12-24 2015-08-19 王鑫 新型切纸装置
EP4013246B1 (fr) 2019-10-02 2023-12-20 Körber Technologies GmbH Fourniture de parties de bande métallique pour segments de tabac

Also Published As

Publication number Publication date
EP0654329B1 (fr) 1998-07-08
IT1264275B1 (it) 1996-09-23
ITBO930469A1 (it) 1995-05-24
BR9404712A (pt) 1995-07-18
JPH07186088A (ja) 1995-07-25
DE69411508T2 (de) 1998-12-17
CN1108512A (zh) 1995-09-20
ITBO930469A0 (it) 1993-11-24
DE69411508D1 (de) 1998-08-13
CN1042592C (zh) 1999-03-24

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