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EP2106709A1 - Dispositif de transport d'un cordon filtrant - Google Patents

Dispositif de transport d'un cordon filtrant Download PDF

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Publication number
EP2106709A1
EP2106709A1 EP09004555A EP09004555A EP2106709A1 EP 2106709 A1 EP2106709 A1 EP 2106709A1 EP 09004555 A EP09004555 A EP 09004555A EP 09004555 A EP09004555 A EP 09004555A EP 2106709 A1 EP2106709 A1 EP 2106709A1
Authority
EP
European Patent Office
Prior art keywords
filter tow
filter
outlet
transport channel
deflection
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Withdrawn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
EP09004555A
Other languages
German (de)
English (en)
Inventor
Stephan Wolff
Sönke Horn
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.)
Koerber Technologies GmbH
Original Assignee
Hauni Maschinenbau GmbH
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 Hauni Maschinenbau GmbH filed Critical Hauni Maschinenbau GmbH
Publication of EP2106709A1 publication Critical patent/EP2106709A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
    • A24D3/02—Manufacture of tobacco smoke filters
    • A24D3/0204—Preliminary operations before the filter rod forming process, e.g. crimping, blooming

Definitions

  • the invention relates to a device for transporting a filter tow from a filter-trough source to a machine for producing filter rods for smoking articles, in particular cigarettes, from the filter tow, with a substantially closed transport channel having an inlet and an outlet and through which the filter tow from the inlet to the outlet is feasible.
  • the invention according to a second aspect relates to a device for producing filter rods for smoking articles, in particular cigarettes, with a Filterertowario, a device for transporting a filter tow according to the first aspect and a device for processing the filter tow for the subsequent production of the filter rods.
  • a device for the preparation of a filter tow is used, which is obtained from a FiltertowISE.
  • the filter tow is usually prepared by stretching and treating with plasticizer, round-shaped and delivered in a desired shape and consistency for further processing to a filter rod machine, which produces from the processed filter tow by wrapping with a wrapping material strip a filter strand, which is finally cut into filter rods of the desired length.
  • the filter trough source is usually designed to receive at least one filter towball from which the filter tow is continuously withdrawn as a strand, strip or tape.
  • the Filtertowario is in direct proximity to the rest of the device or system.
  • the DE 43 00 841 A1 is a transport device of the type mentioned according to the first aspect described, which is able to carry the filter tow over greater distances from a Filterertowttle to the treatment device.
  • the known device has a substantially closed transport channel, through which the filter tow is transported with pneumatic support.
  • the remote arrangement of the filter trough source from the remainder of the apparatus or plant possible due to this known device, provides increased flexibility in designing and dimensioning the factory floor space and also provides easier access to the filter trough source. Since usually relatively large distances are bridged by the transport channel, correspondingly long Towzugumblen, whereby the product quality of the processed filter tow can be adversely affected.
  • the filter tow experiences downstream of the inventively provided strain relief device and in front of the machine for the production of filter rods a not insignificant discharge, which can even lead to a material flow decoupling. This in turn results in a more uniform processing and thus higher product quality of the filter tow.
  • the strain relief device according to the invention can optionally be arranged either at a distance downstream from the outlet of the transport channel or substantially directly at the outlet of the transport channel.
  • the strain relief device has a drive device for further transport of the filter tow.
  • the filter tow experiences a transport support which leads to the desired relief.
  • the drive means may optionally be arranged either at a distance downstream from the outlet of the transport channel or substantially directly at the outlet of the transport channel.
  • the drive device preferably has at least one conveying roller, in particular at least one pair of conveying rollers, between which the filter tow can be guided.
  • the drive device may have a pneumatic conveying device with at least one nozzle acting on the filter tow in the direction of movement with compressed air.
  • a spreading device can be provided, through which the filter tow can be guided during its exit or after its exit from the drive device.
  • the additional spreading device may comprise at least one spreader nozzle.
  • the strain relief device has at least one intermediate storage device for temporarily storing the filter tow.
  • the intermediate storage which can alternatively be provided as an alternative or in addition to the aforementioned drive device, relieves the filter tow in front of the machine for the production of filter rods by providing a substantially complete material flow decoupling.
  • the filter tow removed from the filter trough source and transported through the transport channel is temporarily stored in the temporary storage device and made available for further processing only after a temporary temporary storage.
  • the intermediate storage device is preferably arranged downstream of the drive device.
  • a spreader device Downstream of the temporary storage device, a spreader device may be arranged.
  • the intermediate storage device has a loop box, in which the filter tow can essentially be stored in loops during its intermediate storage.
  • This design provides a particularly simple, but very effective design for a temporary storage device.
  • the intermediate storage device may have at least one deflection means for deflecting the filter tow from its movement path.
  • the filter tow is subjected to a loop shape, although here the loops are not stored as in the aforementioned embodiment loosely in a loop box, but are actively formed with the help of a deflection so to speak.
  • the deflection means comprises a lever which is articulated with its first end about a hinge axis and engageable with its free second end into engagement with the filter tow.
  • a roller or roller is rotatably mounted at the free second end of the lever, over which the filter tow can be guided.
  • a roller or roller preferably concentric with the articulation axis, can be rotatably mounted, via which the filter tow can be guided.
  • the deflection means should preferably be biased in the direction of the filter tow so as to deflect the filter tow out of its normal trajectory by means of resilient bias.
  • a control device which detects the degree of deflection of the at least one deflection means and controls the drive device as a function of the detected degree of deflection, preferably such that the degree of deflection remains substantially constant in accordance with a predetermined value.
  • the use of such a control device is particularly advantageous in order to generate a stable, uniform voltage in the portion of the filter tow deflected by the deflection means, independently of the generally large distance from the filter source.
  • a device for producing filter rods for smoking articles, in particular cigarettes, with a filter trough source a device according to the first and / or second aspect of the invention discussed above, and a device for processing the filter tow for the subsequent production of the filter rods proposed which by is characterized in that the transport channel leads substantially from the Filterertowska to the device for processing the filter screen.
  • a preferred embodiment of this embodiment in which the device for processing the filter tow, preferably in the region of its inlet, has a conveying device for transporting the filter tow, is characterized in that the control device additionally detects the conveying speed of the conveying device and the drive device additionally in dependence controlled by the detected conveying speed. If the conveyor expediently has at least one conveyor roller, preferably at least one pair of conveyor rollers between them, the control device detects the rotational speed of the at least one conveyor roller and additionally controls the drive device as a function of the detected rotational speed of the at least one conveyor roller.
  • FIG. 1 shows an arrangement according to a preferred first embodiment, in which a Filterertowario 2 is provided, for example, consist of a container or a receptacle for at least one filter tow 4 or alternatively, for example, may be formed directly from the filter towball 4.
  • a Filterertowario 2 is provided, for example, consist of a container or a receptacle for at least one filter tow 4 or alternatively, for example, may be formed directly from the filter towball 4.
  • a filter tow 6 in the form of a strip, ribbon or strand 6 is continuously withdrawn and transported through a substantially closed transport channel 8 to a processing unit 10, which is usually arranged remotely.
  • a treatment of the filter tow 6 takes place for the subsequent production of filter rods from the filter tow 6.
  • the filter tow 6 in the processing unit 10 usually passes through various processing devices, for example, a stretching device for stretching the filter tow 6, a treatment device for spraying the filter tow 6 with a treatment agent and a shaping device may have for rounding the filter tow 6, but are not marked in the accompanying figures with reference numerals or not at all.
  • the transport channel 8 consists in the illustrated embodiment of a pneumatic pipe.
  • an air supply unit 12 is provided which supplies an air inlet nozzle 16 with air via a line 14.
  • the air inlet nozzle 16 is arranged at the inlet 8a of the transport channel 8 and generates an air movement which acts on the filter tow 6 entering the inlet 8a of the transport channel 8 and generates a thrust for the transport of the filter tow 6 through the transport channel 8.
  • the air supply unit 12 supplies an air outlet nozzle 20 with air via a line 18, which is arranged at the outlet 8b of the transport channel 8 and acts on the filter tow 6 issuing from the outlet 8b as air winder as well as the air inlet nozzle 16.
  • a first spreader nozzle 22 is arranged, which is a known spreader nozzle and which is supplied by the air supply unit 12 via a line 24 with air.
  • the filter tow 6 in the illustrated embodiment first passed through the spreader 22 before it is then pulled through the air inlet nozzle 16 into the inlet 8a of the transport channel 8.
  • the spreader nozzle 22 is arranged substantially vertically above the filter tow source 2, such as FIG. 1 lets recognize.
  • the filter tow 6 is spread to a substantially flat and planar strip.
  • “spreading” is understood to mean transferring the filter tow 6 into a substantially flat and flat ribbon or strip shape and / or increasing the width of the filter tow 6 by pulling, fanning or opening.
  • To Exit from the spreader nozzle 22 thus passes the filter tow 6 as substantially flat and flat strips, not shown in the figures, through the air inlet nozzle 16 and the inlet 8a into the transport channel 8.
  • the filter tow 6 is often subjected to a twist or twist, which is usually caused by zig-zag peeling off of the filter towbale 4.
  • the twist or twist in the filter tow 6 is eliminated or prevented by the filter tow 6 emerging as a substantially flat and flat strip from the spreader nozzle 22 and in this shape is introduced through the air inlet nozzle 16 into the inlet 8a of the transport channel 8.
  • the spreader nozzle 22 enables a wrinkle-free or cover-free transport of the filter tow 6 through the transport channel 8.
  • the filter tow 6 of the transport channel 8 should preferably be formed as a pipe having a rectangular cross-section with two opposite broad sides and two opposite narrow sides, wherein the filter tow 6 with its flat broad side substantially along at least one of the two Broadsides is performed.
  • This particular embodiment of the transport channel 8 can not be found in the figures, which shows the transport channel 8 only with a view of one of its two narrow sides.
  • the filter tow 6 is usually substantially flat on its inside wall on one of the two broad sides of the transport channel 8 during its transport. If in such an embodiment, the transport channel 8 has a curved portion, as in FIG.
  • FIG. 1 is denoted by the reference numeral "8c", this is curved in a plane which is spanned substantially perpendicular to that broadside, along which the filter tow 6 is guided. That level will be in FIG. 1 formed by the plane of the drawing.
  • the spreader nozzle 22 has a slot-shaped outlet opening which is not recognizable in the figure and whose width corresponds at least to the desired width of the spread-out filter screen 6.
  • the spreader nozzle 22 should be aligned with its slot-shaped outlet opening approximately parallel to at least one of the two broad sides of the transport channel 8, which is not recognizable in the figure to smooth as possible transition of the strip-shaped filter towers 6 from the spreader 22 into the transport channel 8 achieve.
  • an additional spreader nozzle 26 is arranged, which is also supplied by the air supply unit 12 via a line 28 with air. After leaving the outlet 8b of the transport channel 8 and the air outlet nozzle 20, the filter tow 6 passes through the additional spreader nozzle 26 before it is guided via a guide plate 30 into the conditioning unit 10.
  • the additional spreader nozzle 26 essentially serves to ensure the wrinkle-free or cover-free transport of the filter tow 6 to the processing unit 10.
  • two nozzles are connected in series in the region of the inlet 8a and the outlet 8b of the transport channel 8, namely the spreader nozzle 22 and the air inlet nozzle 16 in the region of the inlet 8a and the air outlet nozzle 20 and the additional spreader nozzle 26 in the region of the outlet 8s.
  • transport and spreading of the filter tow 6 is effected only by means of a single nozzle.
  • the air inlet nozzle 16 and the spreader nozzle 22 would be combined to form a single nozzle or the spreader nozzle 22 would additionally assume the function of the air inlet nozzle 16.
  • the same could also apply to the air outlet nozzle 20 and the additional spreader nozzle 26.
  • a strain relief device 40 is provided, which performs a strain relief in the filter tow 6 after the tow transport through the transport channel 8 and before entering the processing unit 10, namely in particular against the background that, as a rule, the relatively long distance also results in a rather long towed stretch in the transport channel 8.
  • the strain relief of the filter tow 6 before its further processing in the processing unit 10 causes a more uniform processing and thus leads to a higher product quality.
  • the strain relief device 40 may preferably have a transport unit with an additional drive device or be provided as such, whereby a transport support for the filter tow 6 is formed.
  • a transport unit can, for example, mechanically impart force to the filter tow 6 in the direction of movement, to which usually at least one conveying roller or roller engageable with the filter tow 6 and preferably a pair of conveying rollers or rollers accommodating the filter tow 6 are provided. Additionally or alternatively, such a transport unit can also act pneumatically by acting on the filter tow 6 with air pressure in the transport direction, for which purpose preferably at least one correspondingly acting pneumatic nozzle is provided.
  • FIG. 1 both previously discussed embodiments for the realization of the transport unit are in FIG. 1 Not shown.
  • FIG. 2 is according to a second embodiment, an arrangement similar to that of FIG. 1 represented, however, which differs from the arrangement of FIG. 1 differs in that on the one hand as a transport unit concrete a pair of conveyor rollers 140 shown and on the other downstream of the conveyor roller pair 140 between this and the additional spreader 26, a so-called.
  • Loop box 142 is arranged. While the conveyor roller pair 140 provides transport support, the loop box 142 serves as a buffer that at least assists the desired material flow decoupling, if not even essentially takes over. Because the fact that in the loop box 140, the filter tow 6 is temporarily stored in loops 106, such as FIG. 2 can recognize, before the filter tow 6 is transported on for further processing in the processing unit 10, the desired buffering effect arises.
  • a control device 156 is provided in the illustrated embodiment, which by means of an electrical line 157 and connected thereto, in the FIG. 2 not shown sensors electronically monitors the formation of the loops 106 and the level of the loop box 142 and controls the rotational speed of the feed rollers 140 in response to the result of this monitoring. Because in the steady state, the entry speed of the filter tow 6 generated by the conveyor rollers 140 should correspond approximately to the exit speed of the filter tow 6 at the exit from the loop box 142.
  • FIG. 3 shows according to a preferred third embodiment, a portion of the arrangement of FIG. 1 or FIG. 2 In principle, corresponding arrangement between the outlet 8b of the transport channel 6 and the inlet region of the processing unit 10.
  • a pair of conveyor rollers 240 which downstream of the outlet 8b of the transport channel 8 and the outlet nozzle 20 is disposed.
  • a kind of intermediate storage device 242 is provided, but which differs from the intermediate storage device designed as a loop box 142 in the second embodiment according to FIG. 2 differentiated by another mode of action.
  • the filter tow 6 is deflected from its path.
  • the filter tow 6 downstream of the conveyor rollers 240 is deflected by a first guide roller 244 out of its movement path, such as FIG. 3 lets recognize.
  • the aforementioned temporary storage device 242 has a deflection lever 246 which articulates with its to the first guide roller 244 adjacent end to a stationary bearing, not shown is stored.
  • the pivot axis of the Auslenkhebels 246 is arranged approximately coaxially to the axis of rotation of the first guide roller 244.
  • the deflection lever 246 is pivotally mounted on one side.
  • a second guide roller 248 is rotatably mounted, which deflects the filter tow 6 in the direction of its original trajectory, in the direction of a third guide roller 250, which in turn the filter tow 6 in its normal trajectory towards the downstream additional spreader nozzle 26 deflects.
  • the deflection lever 246, is provided for the deflection lever 246, which moves the deflection lever 246 in a direction of rotation away from the normal path of movement of the filter tow 6 in accordance with FIG FIG. 3 shown arrow X acted upon.
  • the application can preferably be made torque-dependent, so that in such a case, the lever 246 takes over the function of a moment lever.
  • the deflection lever 246 should preferably be resiliently mounted, for which purpose it may, for example, be resiliently biased in the direction of the normal path of movement of the filter tow 6 away in the direction of the arrow X.
  • a further transport support also takes place in the inlet area of the processing unit 10, for which purpose a pair of non-driven threading rollers 252 and downstream and in the illustrated embodiment substantially vertically underneath a pair of feed rollers 254 are provided. At least the delivery rollers 254 be through an in FIG. 3 not shown offset drive in a corresponding rotational movement.
  • a control device 256 is provided, which via an electrical line 257 and connected thereto, in FIG. 3 not shown sensor, the rotational speed of the feed rollers 254 in the processing unit 10 and via an electrical line 258 and connected thereto, in FIG. 3 not shown, the rotation angle position of the Auslenkhebels 246 measures and depending on these measurement results, the rotational speed of the conveyor rollers 240 controls accordingly.
  • the conveyor rollers 240 rotate in a predetermined relationship to the feed rollers 254 in the processing unit 6, wherein more filter tow 6 is supplied as discharged.
  • the deflection lever 246 is pivoted away from the normal movement path of the filter tow 6 due to the previously described mode of operation of the in FIG. 3 not shown drive for pivoting the Auslenkhebels 246, wherein that drive ensures that the deflection lever 246 is pivoted in the direction of arrow X.
  • the deflection angle is measured by the control device 256, as described above. The faster the conveying rollers 240 rotate, the more the deflection lever 246 is deflected, and the slower the conveying rollers rotate, the lower the deflection of the deflection lever 246.
  • the conveying speed of the filter screen 6 generated by the conveying rollers 240 corresponds approximately to conveying speed generated by the delivery rollers 254 in the processing unit 10, wherein the filter tow 6 undergoes a corresponding deflection by the deflection lever 246, as described above.

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  • Cigarettes, Filters, And Manufacturing Of Filters (AREA)
EP09004555A 2008-04-01 2009-03-30 Dispositif de transport d'un cordon filtrant Withdrawn EP2106709A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102008016827A DE102008016827A1 (de) 2008-04-01 2008-04-01 Vorrichtung zum Transport eines Filtertows

Publications (1)

Publication Number Publication Date
EP2106709A1 true EP2106709A1 (fr) 2009-10-07

Family

ID=40756376

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09004555A Withdrawn EP2106709A1 (fr) 2008-04-01 2009-03-30 Dispositif de transport d'un cordon filtrant

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Country Link
EP (1) EP2106709A1 (fr)
DE (1) DE102008016827A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105831806A (zh) * 2016-06-06 2016-08-10 张家口市东力机械制造有限责任公司 成形机丝预拽松送料装置
WO2025067816A1 (fr) * 2023-09-27 2025-04-03 Körber Technologies Gmbh Dispositif de manipulation de bande plate et procédé de production d'un embout filtre pour l'industrie du tabac

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4300841A1 (fr) 1992-01-16 1993-07-22 Molins Plc
EP0941673A1 (fr) * 1998-03-13 1999-09-15 Hauni Maschinenbau AG Procédé et dispositif pour la fabrication de tiges de filtre pour des articles en forme de tige dans l'industrie du tabac
EP1625799A1 (fr) * 2004-08-09 2006-02-15 Hauni Maschinenbau AG Arrangement pour la production d'au moins une tige de filtre
DE102006001643A1 (de) * 2006-01-12 2007-07-26 Rhodia Acetow Gmbh Umlenkvorrichtung, Maschine umfassend eine derartige Umlenkvorrichtung und Verfahren zum Fördern und Umlenken wenigstens eines Filtertowstranges
EP1902634A2 (fr) * 2006-09-20 2008-03-26 G.D.S.p.A. Machine pour fabrication de filtres de cigarette
WO2009000453A2 (fr) * 2007-06-28 2008-12-31 Reemtsma Cigarettenfabriken Gmbh Procédé de production de filtres pour fumée de tabac

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2336005A1 (de) * 1973-07-14 1975-01-30 Hauni Werke Koerber & Co Kg Verfahren und vorrichtung zum herstellen von filterstaeben
DE4009657C2 (de) * 1990-03-26 1994-04-07 Bat Cigarettenfab Gmbh Verfahren und Vorrichtung zur Herstellung koaxialer Tabak- oder Filterstränge

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4300841A1 (fr) 1992-01-16 1993-07-22 Molins Plc
EP0941673A1 (fr) * 1998-03-13 1999-09-15 Hauni Maschinenbau AG Procédé et dispositif pour la fabrication de tiges de filtre pour des articles en forme de tige dans l'industrie du tabac
EP1625799A1 (fr) * 2004-08-09 2006-02-15 Hauni Maschinenbau AG Arrangement pour la production d'au moins une tige de filtre
DE102006001643A1 (de) * 2006-01-12 2007-07-26 Rhodia Acetow Gmbh Umlenkvorrichtung, Maschine umfassend eine derartige Umlenkvorrichtung und Verfahren zum Fördern und Umlenken wenigstens eines Filtertowstranges
EP1902634A2 (fr) * 2006-09-20 2008-03-26 G.D.S.p.A. Machine pour fabrication de filtres de cigarette
WO2009000453A2 (fr) * 2007-06-28 2008-12-31 Reemtsma Cigarettenfabriken Gmbh Procédé de production de filtres pour fumée de tabac

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105831806A (zh) * 2016-06-06 2016-08-10 张家口市东力机械制造有限责任公司 成形机丝预拽松送料装置
WO2025067816A1 (fr) * 2023-09-27 2025-04-03 Körber Technologies Gmbh Dispositif de manipulation de bande plate et procédé de production d'un embout filtre pour l'industrie du tabac

Also Published As

Publication number Publication date
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