EP0662437A1 - Vorrichtung zum Verbinden von Bändern aus weichem Material - Google Patents

Vorrichtung zum Verbinden von Bändern aus weichem Material Download PDF

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Publication number
EP0662437A1
EP0662437A1 EP93810887A EP93810887A EP0662437A1 EP 0662437 A1 EP0662437 A1 EP 0662437A1 EP 93810887 A EP93810887 A EP 93810887A EP 93810887 A EP93810887 A EP 93810887A EP 0662437 A1 EP0662437 A1 EP 0662437A1
Authority
EP
European Patent Office
Prior art keywords
hammer
strips
strip
paper
connection
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
EP93810887A
Other languages
English (en)
French (fr)
Other versions
EP0662437B1 (de
Inventor
Jean Cestonaro
Jean-Luc Mathon
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.)
Philip Morris Products SA
Original Assignee
Fabriques de Tabac Reunies SA
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 Fabriques de Tabac Reunies SA filed Critical Fabriques de Tabac Reunies SA
Priority to DE1993600282 priority Critical patent/DE69300282T2/de
Priority to EP19930810887 priority patent/EP0662437B1/de
Priority to CZ942578A priority patent/CZ281885B6/cs
Priority to US08/355,937 priority patent/US5827166A/en
Publication of EP0662437A1 publication Critical patent/EP0662437A1/de
Application granted granted Critical
Publication of EP0662437B1 publication Critical patent/EP0662437B1/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
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H19/00—Changing the web roll
    • B65H19/10—Changing the web roll in unwinding mechanisms or in connection with unwinding operations
    • B65H19/18—Attaching, e.g. pasting, the replacement web to the expiring web
    • B65H19/1805—Flying splicing, i.e. the expiring web moving during splicing contact
    • B65H19/1826—Flying splicing, i.e. the expiring web moving during splicing contact taking place at a distance from the replacement roll
    • B65H19/1836—Flying splicing, i.e. the expiring web moving during splicing contact taking place at a distance from the replacement roll the replacement web being accelerated or running prior to splicing contact
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H19/00—Changing the web roll
    • B65H19/10—Changing the web roll in unwinding mechanisms or in connection with unwinding operations
    • B65H19/20—Cutting-off the expiring web
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/40—Type of handling process
    • B65H2301/46—Splicing
    • B65H2301/462—Form of splice
    • B65H2301/4621—Overlapping article or web portions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/40—Type of handling process
    • B65H2301/46—Splicing
    • B65H2301/463—Splicing splicing means, i.e. means by which a web end is bound to another web end
    • B65H2301/4632—Simultaneous deformation of the two web ends
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/40—Type of handling process
    • B65H2301/46—Splicing
    • B65H2301/464—Splicing effecting splice
    • B65H2301/46414—Splicing effecting splice by nipping rollers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2406/00—Means using fluid
    • B65H2406/10—Means using fluid made only for exhausting gaseous medium
    • B65H2406/11—Means using fluid made only for exhausting gaseous medium producing fluidised bed
    • B65H2406/111—Means using fluid made only for exhausting gaseous medium producing fluidised bed for handling material along a curved path, e.g. fluidised turning bar

Definitions

  • the present invention relates to an end-to-end connection device for strips of flexible material, particularly paper strips, used in particular in the cigarette manufacturing industry, and from which the cigarette paper is obtained surrounding the tobacco rod or the cuff paper surrounding the cigarette filter.
  • This device can also be used for connecting strips of numerous products in this form, for example smooth or crepe paper, glossy, varnished, lacquered paper, composite products such as paper or another material covered with a aluminum layer for example, synthetic films, for example made of cellophane or polypropylene, non-woven materials, or even thin strips entirely of metal such as aluminum strips, these materials can have other uses than those mentioned above , which can for example be used for packaging purposes or for components of a part of the cigarette, for example of the filter. According to the uses, these ribbons can carry an impression on one or both sides.
  • the method and the device described in the application EP-A-0.475.886 allow a connection of the paper strips when the latter are in motion; however, this device is more particularly intended for the connection of the strips of paper from which the cuff paper is obtained, ie that surrounding the filter tips.
  • This device comprises in particular two rollers, a male roller and a female roller whose notches interpenetrate in order to obtain a connection by torn tabs in the paper ribbons.
  • Such a device is of use limited to certain types of paper.
  • Other known devices require interposing a piece of adhesive tape between the two portions of strips to be assembled; the downside of these devices is obvious since the presence of an operator is necessary to prepare and arrange the pieces of adhesive.
  • Patent EP-A-0.331.634 discloses a method and a device for opening a full coil and for preparing the end of the upper turn for connection, while application EP-A-0.509.958 describes a method and a device allowing the transfer of wafers or reels during reeling; these two devices can advantageously be used in conjunction with that proposed by the present invention.
  • a first object of the invention is to provide a device for connecting strips of paper or more generally of a flexible material, not meeting the drawbacks of those of the prior art, or by which a connection can be obtained reliable, said connection being made when the strip takes place at its nominal speed, usable in particular for all the types of flexible materials mentioned in the introduction, this connection device being able to operate fully automatically.
  • Another object of the invention is to propose that the above connection device be directly provided with cutting means, or directly control said means, so that the parts of strips to be eliminate are cut with precision, without requiring complex and delicate synchronization means.
  • FIG. 1 there is a portion of machine 1 responsible for continuously delivering a strip of paper 2 to a machine for making cigarettes (not shown) arranged downstream of the portion of machine shown here.
  • the paper strip 2 comes from a reel 20, fixed by a first axis (not shown) to the portion of machine 1 and rotating around it, the paper strip 2 unwinding from the upper turn of the reel 20, passing over at least one connecting roll 6 whose function will be explained below and at least a guide roller 10.
  • known reel transfer means for example those described in application EP-A-0,509,958 have moved the reel 20 to a second axis of rotation, have loaded a full coil on the first axis of rotation, while another known device, such as for example one of those described in patent EP-A-0.331.634 or application EP-A-0.475.886 opened the full reel, following which another gripping and transport device, shown diagrammatically by the clamp 11 in FIG.
  • FIG. 1 represents only the elements mentioned placed in the immediate vicinity of the device according to the invention, the paper strips 2 and 21 being in position to be connected.
  • the device according to the invention mainly consists of a striking arm 3 which can be rotated and supporting a hammer 4, a striking control device 5, a connecting roller 6 and control means 7.
  • the manner in which these different elements are mounted on a wall 13 of the machine portion 1 is shown in FIG. 2.
  • the striking arm 3 first of all comprises a rotary support 30 connected to a rotation axis 31 pivoting inside ball bearings 32 arranged inside a bush 33 fixed to the wall 13.
  • the axis of rotation 31 is driven in rotation by motor means 34 capable, on command, of driving the entire striking arm 3 in rotation at a determined speed or of maintaining it in an angular position determined rest.
  • the striking arm 3 then comprises a striking device consisting of two rods 35 capable of sliding in two cylindrical recesses 30A of the rotary support 30, arranged therein in a direction perpendicular to its axis of rotation, the upper ends (on the figure) of said rods being connected by a connecting bar 36 comprising a cam 37 on its rear end.
  • the other ends of the rods 35 are fixed to a hammer 4.
  • One end of a spring 38 is housed in a housing 30B arranged in a portion of the rotary support facing the link bar 36, the other end of said spring pressing this connecting bar, so as to tend to push the assembly of the striking arm 3 and the hammer 4 upwards (in FIGS. 1 and 2).
  • a mechanical stop device 39 is mounted in opposition to the spring 38, preferably consisting of a rod portion, one end of which is threaded and is fixed inside a tapped hole 30C arranged in the rotary support 30, according to a common axis with that of the housing 30B, the upper face 40 of the hammer 4 abutting against the other end of the rod.
  • the position of the end of the rod making a stop is adjustable by means of a nut 39A.
  • a massive balancing piece 36A can be fixed on the connecting bar, or the spring 38 can be strong enough so that, when the system is in rotation, the striking arm 3 remains in rest position, that is to say face 40 of the hammer in abutment against abutment 39.
  • the striking device 5 consists of a frame 50, firmly fixed to the wall 13 of the machine 1, said frame 50 supporting a jack 51, preferably pneumatic, the piston of which actuates a rod 52 provided with a fixed wheel 53 at its free end by means of a stirrup.
  • a jack 51 preferably pneumatic, the piston of which actuates a rod 52 provided with a fixed wheel 53 at its free end by means of a stirrup.
  • the lower face 41 of the hammer 4 comprises raised grooves or knurling, as shown by way of example in FIG. 4A, preferably constituted by two perpendicular networks of parallel grooves, spaced apart by a distance of 1 to 2 mm. Other types of grooves or other dimensions of these could also be envisaged.
  • FIGS. 4A, 4B and 4D indicate the direction of movement of the lower face 41.
  • FIGS. 4B and 4C show two views of another embodiment of the lower face 41, where the latter is separated into two portions by a longitudinal groove 41B. It is understood that the lower face can be separated in more than two portions, each of them being separated by a longitudinal groove. Such an embodiment makes it possible to reduce the necessary support force and is particularly suitable for the connection of strips of large width, such as for example strips of paper or of other packaging material.
  • FIG. 4D shows yet another embodiment of the lower face 41, this being separated into several portions by one or more grooves 41C perpendicular to the direction of movement of said one lower side.
  • This embodiment is particularly suitable for the connection of relatively rigid bands, in order to maintain sufficient flexibility of the portion where the two bands are superimposed on the connection, particularly in the case where the band must pass around one or more relatively small diameter pulleys.
  • the connecting roller 6 comprises a smooth cylindrical peripheral surface of support 60, on which the underside of the paper strip 2 is in abutment, the two superimposed strips of paper being guided on this surface by two circular guide ribs 61, defining the sides of the bearing surface 60.
  • Two other bearing surfaces 62 are provided on either side of the bearing surface 60, their function being explained below.
  • the connecting roller 6 is connected to a rotating axis 63, rotated by motor means 64. As previously, the axis 63 pivots inside ball bearings whose outer linings are fixed relative to the wall 13.
  • connection operation imposes significant shocks on the device, mainly on the axis 63; special precautions, known to those skilled in the art, are therefore to be taken so that this axis is not damaged and that the rotational movement of the connecting roller 6 remains regular.
  • the striking arm 3 is as shown in Figure 1, or in the retracted position. Preferably, it will be oriented perpendicular to the position shown in the figure, as suggested in broken lines, so as to leave a maximum of space above the connecting roll 6 for bringing the end of the new strip of paper 21
  • known means not forming part of the invention have detected that the coil 20 supplying the cigarette machine is soon empty, have brought a new coil and have exchanged coils and after opening the coil full, brought the free end of the paper strip 21 over the connecting roller 6, superimposed on the paper strip 2.
  • the control unit 70 which in turn controls the setting means rotation 34 of the striking arm 3; the latter then begins to rotate on its axis 31, the drive means 34 accelerating this movement until the tangential speed of the lower face 41 of the hammer 4 reaches the speed of movement of the two strips of paper 2 and 21.
  • the striking arm 3 is always in the retracted position, this is ie it can pivot freely on its axis 31.
  • FIGS. 5A to 5E which describe different phases of the connection and cutting operations.
  • the hammer 4 is provided with a front cutting pad 8 while a rear cutting pad 9 is disposed immediately behind the connecting roller 6.
  • the front cutting pad 8 is mainly composed of two bent levers 80 pivoting about an axis 81, arranged on the two lateral faces of the hammer 4 (see FIG.
  • the front cutter trim is completed by two springs 85, one on each face of the hammer 4, and acting on each lever 80 so as to keep the cutting blade 83 in the raised position; this raised position being determined by two stops 86.
  • the rear cutter trim 9 is mainly composed of a lever 90 disposed on one side of the paper strips 2 and 21, pivoting about an axis 91, slightly back and parallel to the axis of rotation of the connecting roller 6. This lever 90 comprises a portion 92, supporting a cutting blade 93 arranged in through and under the strip of paper 2.
  • the end 94 of the lever 90 is intended to be actuated by a portion of rod 95, projecting from the lateral face of the hammer 4, in a manner described below.
  • Spring means 96 hold the lever 90 in position as shown in Figure 5A.
  • the blade 93 it would also be possible for the blade 93 to be supported by two levers 90 arranged symmetrically on each side of the paper strips and controlled by two portions of rod 95 disposed on the two opposite lateral faces of the hammer 4.
  • FIG. 5A we see the two paper strips 2 and 21 unrolling at the same speed, pressing on the connecting roller 6, as well as the hammer 4, still in the retracted position, which approaches by its rotational movement; the front 8 and rear 9 trim fittings are also in the retracted position.
  • FIG. 5A we see the two paper strips 2 and 21 unrolling at the same speed, pressing on the connecting roller 6, as well as the hammer 4, still in the retracted position, which approaches by its rotational movement; the front 8 and rear 9 trim fittings
  • 5D shows the same device a short instant later, a greater length of connection has been made, the bearing surfaces 84 disengage from the peripheral bearing surfaces 62, causing the blade 85 to act under the action of the spring 83 begins to rise, while now the end 94 of the lever 90 is fully engaged by the rod portion 95, causing the blade 93 to cut the strip of paper 2 in a position behind the connection 22, while the latter is not finished yet.
  • connection and cutting operations is represented in FIG. 5E where, the hammer 4 is in position where it terminates the connection 22 of the two strips of paper, these having already been cut, the cutting trim before 8 s 'is fully raised while the lever 90 is released from the rod portion 95 and has been returned to the rest position under the action of the spring 96. Immediately after this step, the cam 37 will be out of action of the roller 53, the hammer 4 then returning to its retracted position under the action of the spring 38.
  • the position of the lower surface 41 of the hammer 4 in the extended position must be exactly located relative to the bearing surface 60 of the roller 6, in order to effect a correct and reliable connection of the two strips of paper, this relative position being determined by the relative positions of the caster 53 and the surface of the action zone 37B of the cam 37.
  • the striking arm 3 is positioned in such a way that the lower surface 41 intersects the surface d 'support 60 of the roller 6 of the order of 1 to 2 mm when these two surfaces are in contact; this difference of 1 to 2 mm can be absorbed by the air cushion of the jack 51, which makes it possible to raise the striking arm 3 all the same, since the lower surface 41 can only be tangent to the strip of paper 21.
  • the leading leading edge 41A of the hammer 4 is rounded, so as to allow this slight movement of the hammer when the latter comes into contact with the paper strips on the support roller 6.
  • the overpressure thus generated further increases the support pressure of the lower surface 41 on the strips of paper and on the bearing surface 60.
  • the separation of the surface 41 into several portions can make it possible to limit the bearing force for strips of large width.
  • the device according to the invention does not require any adjustment of the coordination of the cutting means since these are directly controlled by the movement of the hammer 4.
  • connection device has been described here according to a configuration where the paper strips 2 and 21 circulate in approximately horizontal planes; it is obvious that it would work in the same way for a displacement of the strips of paper in an approximately vertical plane; in this case the figures would have to be turned a quarter of a turn, in one direction or the other.
  • the angle in which the paper strips are located depends firstly on the general configuration of the machine, so it can be any, the connection device being positioned accordingly.
  • the mechanical parts in particular the caster 53, the cam 37, the hammer 4 and the connecting roller 6 undergo significant mechanical shocks; they will therefore be chosen from materials capable of withstanding these shocks, as well as the parts which support them.
  • connection can be made without interrupting the unwinding of the strip, ie without loss of productivity of the manufacturing machine and with means of synchronization of the extremely simple cutting means.
  • the machine will advantageously be supplemented with an additional device making it possible to identify the location of a pattern on the new strip and d '' eliminate the part of the strip where the connection is located so that the patterns are not offset for the rest of the operations.

Landscapes

  • Replacement Of Web Rolls (AREA)
EP19930810887 1993-12-16 1993-12-16 Vorrichtung zum Verbinden von Bändern aus weichem Material Expired - Lifetime EP0662437B1 (de)

Priority Applications (4)

Application Number Priority Date Filing Date Title
DE1993600282 DE69300282T2 (de) 1993-12-16 1993-12-16 Vorrichtung zum Verbinden von Bändern aus weichem Material.
EP19930810887 EP0662437B1 (de) 1993-12-16 1993-12-16 Vorrichtung zum Verbinden von Bändern aus weichem Material
CZ942578A CZ281885B6 (cs) 1993-12-16 1994-10-19 Zařízení k napojení pásů cigaretového papíru
US08/355,937 US5827166A (en) 1993-12-16 1994-12-14 Device for joining strips of a flexible material

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP19930810887 EP0662437B1 (de) 1993-12-16 1993-12-16 Vorrichtung zum Verbinden von Bändern aus weichem Material

Publications (2)

Publication Number Publication Date
EP0662437A1 true EP0662437A1 (de) 1995-07-12
EP0662437B1 EP0662437B1 (de) 1995-07-19

Family

ID=8215092

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19930810887 Expired - Lifetime EP0662437B1 (de) 1993-12-16 1993-12-16 Vorrichtung zum Verbinden von Bändern aus weichem Material

Country Status (3)

Country Link
EP (1) EP0662437B1 (de)
CZ (1) CZ281885B6 (de)
DE (1) DE69300282T2 (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0819610A1 (de) * 1995-02-14 1998-01-21 Tokyo Automatic Machinery Works Limited Vorrichtung zum Ersetzen von Ausreissbändern
WO1999040004A1 (de) * 1998-02-05 1999-08-12 Vits-Maschinenbau Gmbh Verfahren und vorrichtung zum kürzen der fahne im anschluss an einen fliegenden rollenwechsel
CN111099411A (zh) * 2014-01-10 2020-05-05 深圳市宝尔威精密机械有限公司 料带接驳机的驱动机构

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0716996B1 (de) 1994-12-12 2001-08-22 Philip Morris Products S.A. Verfahren und Vorrichtung zum Vorbereiten und Öffnen eines Bahnwickels
DE10041969B4 (de) * 2000-08-25 2012-03-29 Goss Contiweb B.V. Verfahren und Vorrichtung zum Kürzen der Fahne im Anschluss an einen Rollenwechsel
EP1389603B1 (de) * 2002-08-14 2007-01-17 Hauni Maschinenbau AG Verfahren und Vorrichtung zum Verbinden von Materialbahnen
DE50207795D1 (de) 2002-08-14 2006-09-21 Hauni Maschinenbau Ag Verfahren und Vorrichtung zum Verbinden von Materialbahnen
DE102020108158A1 (de) * 2020-03-25 2021-09-30 Khs Gmbh Verfahren zum Verpacken von Produkten sowie Verpackungsanlage

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0446901A2 (de) * 1990-03-16 1991-09-18 Hitachi, Ltd. Vorrichtung zum kontinuierlichen Zuführen von Bahnen
EP0475886A1 (de) * 1990-08-24 1992-03-18 Fabriques De Tabac Reunies S.A. Vorrichtung und Verfahren zum Öffnen einer Papierrolle und zum Verbinden von dem Ende einer Papierbahn an das Ende einer anderen Papierbahn
EP0501529A1 (de) * 1986-12-25 1992-09-02 Tokyo Automatic Machinery Works Limited Vorrichtung zum Befestigen einer Ersatzbahn an einer Bahn, die eine programmierte Bewegung durchführt, ohne eine solche Bewegung zu unterbrechen

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0501529A1 (de) * 1986-12-25 1992-09-02 Tokyo Automatic Machinery Works Limited Vorrichtung zum Befestigen einer Ersatzbahn an einer Bahn, die eine programmierte Bewegung durchführt, ohne eine solche Bewegung zu unterbrechen
EP0446901A2 (de) * 1990-03-16 1991-09-18 Hitachi, Ltd. Vorrichtung zum kontinuierlichen Zuführen von Bahnen
EP0475886A1 (de) * 1990-08-24 1992-03-18 Fabriques De Tabac Reunies S.A. Vorrichtung und Verfahren zum Öffnen einer Papierrolle und zum Verbinden von dem Ende einer Papierbahn an das Ende einer anderen Papierbahn

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0819610A1 (de) * 1995-02-14 1998-01-21 Tokyo Automatic Machinery Works Limited Vorrichtung zum Ersetzen von Ausreissbändern
WO1999040004A1 (de) * 1998-02-05 1999-08-12 Vits-Maschinenbau Gmbh Verfahren und vorrichtung zum kürzen der fahne im anschluss an einen fliegenden rollenwechsel
CN111099411A (zh) * 2014-01-10 2020-05-05 深圳市宝尔威精密机械有限公司 料带接驳机的驱动机构

Also Published As

Publication number Publication date
DE69300282T2 (de) 1996-03-21
CZ257894A3 (en) 1995-07-12
CZ281885B6 (cs) 1997-03-12
EP0662437B1 (de) 1995-07-19
DE69300282D1 (de) 1995-09-21

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