EP2620062A2 - Procédé et dispositif destinés au traitement d'une bande de matériau d'enrobage - Google Patents

Procédé et dispositif destinés au traitement d'une bande de matériau d'enrobage Download PDF

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Publication number
EP2620062A2
EP2620062A2 EP12182784.4A EP12182784A EP2620062A2 EP 2620062 A2 EP2620062 A2 EP 2620062A2 EP 12182784 A EP12182784 A EP 12182784A EP 2620062 A2 EP2620062 A2 EP 2620062A2
Authority
EP
European Patent Office
Prior art keywords
wrapping material
material strip
embossing
filter
strip
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Withdrawn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
EP12182784.4A
Other languages
German (de)
English (en)
Other versions
EP2620062A3 (fr
Inventor
Bastian Benz
Thorsten Scherbarth
Stephan Wolff
Gunnar Tons
Thomas Dornbusch
Jörg Selbach
Michael Prien
Dirk Zeuner
Simon Masch
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
Priority to CN2013100351910A priority Critical patent/CN103222681A/zh
Publication of EP2620062A2 publication Critical patent/EP2620062A2/fr
Publication of EP2620062A3 publication Critical patent/EP2620062A3/fr
Withdrawn legal-status Critical Current

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Classifications

    • 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
    • A24C5/005—Treatment of cigarette paper
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31F—MECHANICAL WORKING OR DEFORMATION OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31F1/00—Mechanical deformation without removing material, e.g. in combination with laminating
    • B31F1/08—Creasing
    • B31F1/10—Creasing by rotary tools
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31F—MECHANICAL WORKING OR DEFORMATION OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31F1/00—Mechanical deformation without removing material, e.g. in combination with laminating
    • B31F1/20—Corrugating; Corrugating combined with laminating to other layers
    • B31F1/22—Making webs in which the channel of each corrugation is longitudinal with the web feed
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31F—MECHANICAL WORKING OR DEFORMATION OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31F2201/00—Mechanical deformation of paper or cardboard without removing material
    • B31F2201/07—Embossing
    • B31F2201/0707—Embossing by tools working continuously
    • B31F2201/0715—The tools being rollers
    • B31F2201/0741—Roller cooperating with a non-even counter roller
    • B31F2201/0743—Roller cooperating with a non-even counter roller having a matching profile
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31F—MECHANICAL WORKING OR DEFORMATION OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31F2201/00—Mechanical deformation of paper or cardboard without removing material
    • B31F2201/07—Embossing
    • B31F2201/0756—Characteristics of the incoming material, e.g. creped, embossed, corrugated
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31F—MECHANICAL WORKING OR DEFORMATION OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31F2201/00—Mechanical deformation of paper or cardboard without removing material
    • B31F2201/07—Embossing
    • B31F2201/0784—Auxiliary operations

Definitions

  • CP filters combined performance filters
  • the Chinese patent application CN 258802 Y discloses a groove filter manufacturing machine for making cigarette filter rods with diagonal grooves.
  • a paper feed on another side of a machine frame is doubled and provided as a paper feed a Spezialbobine, on the upper part of an embossing device is mounted.
  • the embossing device has a double roller pair with diagonal groove embossing, a Saugluft- / Textil arrangementsnut, paper guide rollers and a Textil arrangementsnut and an infrared switch. It can be produced groove filter rods of different imprints.
  • the double roller pair for embossing is convex-concave.
  • the wrapping material strip which is preferably paper consisting of fibers
  • the fibers arranged in the wrapping material strip become plastically deformable, so that embossing of the wrapping material strip is ensured more securely and a stable embossing is achieved by the possibility of plastic deformation of the fibers.
  • the paper may be conventional cigarette paper or filter rod wrapper paper. However, a crepe paper can also be used.
  • the wrapping material strip is heated and / or heated during embossing, a better hardening or hardening of the surface of the wrapping material strip is achieved and thus a more stable embossing.
  • the wrapping material strip is heated prior to moistening.
  • the wrapping material strip is brought to a temperature of 70 ° C to 120 ° C, in particular 80 ° C to 100 ° C during embossing. In particular, by this measure, a cornification and hardening of the surface during embossing is ensured.
  • the wrapping material strip is dried in a drying device so that the wrapping material strip can be processed well and, in particular, does not give off any moisture to the strand material to be wrapped.
  • the method is developed by treating the wrapping material strip with a stabilizing agent, in particular methylcellulose, before embossing.
  • the stabilizing agent is preferably dissolved in water and is applied to the wrapping material strip with the water for humidification.
  • the wrapping material strip is moistened from two sides.
  • the object is further achieved by a method for producing a strand of the tobacco processing industry, comprising a method according to the invention for processing a wrapping material strip for a rod-shaped article of the tobacco processing industry, wherein a strand material is also delivered to the processed wrapping material strip in an inlet region of a formatting device and the processed wrapping material strip is wound around the strand material during longitudinal conveyance by the formatting device.
  • a further wrapping material strip is arranged around the processed wrapping material strip, wherein, in particular, the further wrapping material strip is glued over the full area on the side of the further wrapping material strip facing the processed wrapping material strip prior to contact with the processed wrapping material strip.
  • the further wrapping material strip may be the otherwise usual wrapping material strip which is um Strand material is wrapped in a formatting device and sealed accordingly to shape and retain the strand material.
  • the strand material can be tobacco or filter material, for example filter tow. Furthermore, the strand material may be composed of filter segments.
  • filter segments are assembled, which are promoted in the compilation queraxial and then transferred with a transfer device in a longitudinal axial conveying movement be transferred to a strand of a stranding machine. In the stranding machine, the strand is then guided in the longitudinal axial conveying direction and enveloped by the wrapping material (s), in order subsequently to cut off corresponding filter rods.
  • FilterTow is on the EP 1 625 799 B1 See, from a filter manufacturing machine of the tobacco processing industry is known, in which a filter rod machine and a filter tow preparation machine are connected to each other to provide the filter manufacturing machine.
  • filter tow is withdrawn from a filter towball, processed in the filter processing machine, for example, stretched and sprayed with triacetin, and then subsequently transferred to the filter rod machine and there to form a filter strand, which is coated for example with a wrapping material.
  • corresponding filter rods from the filter strand is coated for example with a wrapping material.
  • the object is further achieved by a device for processing a wrapping material strip for a rod-shaped article of the tobacco processing industry, wherein an embossing device is provided, by means of the wrapping material strip during a longitudinal axial promotion of the wrapping material strip is embossable or embossed, wherein upstream of the embossing device is a moistening device for Moistening the wrapping material strip is provided.
  • the moistening device is provided between a wrapping material strip tension control device and the embossing device. This development enables a very precise moistening of the wrapping material strip.
  • a further or alternative wrapping material strip tension control device preferably comprises a draw roller pair, which is preferably arranged immediately upstream of the conveying direction of the wrapping material strip to the embossing device.
  • a draw roller pair which is preferably arranged immediately upstream of the conveying direction of the wrapping material strip to the embossing device.
  • the moistening device may provide a spray of a liquid on the wrap strip of material via a single fluid or dual fluid nozzle or via multi-fluid nozzles. Moistening can be done with steam or even superheated steam.
  • the moistening by means of a mist, in particular water mist can be carried out by an ultrasonic atomization.
  • a corresponding mist of the liquid, in particular of water, that is to say a water mist can be generated by a rotary atomization, whereby the moistening takes place.
  • a heating device is provided.
  • the heating device is preferably arranged in the region of the embossing device and / or integrated in the embossing device and / or arranged upstream of the embossing device.
  • the heating device can be arranged for example in an embossing roll of the embossing device.
  • a heater is provided upstream of the humidifier and / or integrated in the humidifier.
  • the moistening device sprays heated water or liquid onto the wrapper strip.
  • a heating device is provided which heats the liquid to be sprayed onto the wrapping material strip.
  • the heater may be a heat radiator or a hot air blower.
  • the heating device may be a grinding heating device, along which the wrapping material strip to be embossed passes.
  • the heating device can also be integrated in the embossing rollers of the embossing device.
  • an induction heating can be used for example.
  • the grinding heater has at least one contact body.
  • induction coils are preferably arranged adjacent to the contact body and / or the embossing rollers which make the heating contact with the wrapping material strip, in particular in the immediate vicinity of the contact bodies and / or the embossing rollers.
  • the respective contact body (s) and the embossing rollers then have accordingly a ferrous material which is heated by induction.
  • a drying device is provided immediately downstream of the embossing device, thereby allowing the wrapping material strip to be dried or substantially dried in contact with the strand material.
  • the device according to the invention is designed as a slide-in device or process unit of a slide-in device, the slide-in device being mounted or mountable between a filter rod machine and a filter tow preparation machine or a filter segment assembling machine for multi-segment filters, wherein the slide-in device comprises in particular a supply unit which cooperates with the process unit is releasably connectable.
  • the filter production is more flexible than hitherto possible, since the filter material and / or the wrapping material strip can be processed or processed very variably by the insertion device.
  • different processing or conditioning processes can also be provided, whereby by exchanging the respective process unit for another process unit, a different type of processing or processing is provided is possible.
  • this measure can very quickly provide a different type of embossing on the wrapping material strip.
  • a longitudinal axial embossing is provided.
  • embossing could be provided, which are then possible on the corresponding insertion device or the process unit of a slide-in device.
  • another wrapping material can be processed accordingly or the wrapping material can be easily processed or processed with another liquid even at other process temperatures. For this purpose, for example, only the process unit must be replaced, which is then connected to the supply unit.
  • a filter manufacturing machine of the tobacco processing industry comprises an aforementioned device according to the invention with the corresponding aforementioned features.
  • Fig. 1 schematically shows a plan view of a filter manufacturing machine according to the invention with a device according to the invention for processing a wrapping material strip.
  • the filter-making machine comprises a filter tow-making machine 20 and a filter-rod machine 40, as described, for example, in US Pat EP 1 625 799 B1 are described.
  • an insertion device 30 is now provided by means of which the wrapping material strip 33 can be processed according to the invention.
  • the components for processing the wrapping material strip 33 are indicated only schematically and will be described in more detail below.
  • Fig. 1 are in the conveying direction 100, a filter fabric preparation machine 20, the insertion device 30 and then the filter rod machine 40 arranged one behind the other.
  • the arrangement is in this embodiment consecutively aligned or behind one another in a line.
  • filter tow 11 which is drawn off from a filter towbale 10
  • filter tow 11 is processed, for example stretched, pulled apart and sprayed with triacetin, in order subsequently to be transferred through an inlet funnel 41 of the filter rod machine 40, which is then followed by a formatting device 42.
  • Processing steps for example on the wrapping material strip 33, can now be carried out by the insertion device 30.
  • processing steps can also be carried out on the filter tow. However, these further processing steps on the filter tow are not explained in detail.
  • a wrapping material strip 33 is embossed by the first embossing roll 34, which is in engagement with the second embossing roll 35.
  • the processed wrapping material strip 33 then passes in the figure according to Fig. 1 below the filter towers 11 and below the inlet funnel 41 into the format device 42.
  • the filter tow strip 11 is deposited on the wrapping material strip 33.
  • the formatting device 42 the wrapping material strip is then wound around the filter tow strip 11 and, accordingly, a longitudinal seam is closed by gluing.
  • the wrapping material strip 33 may be wrapped around the filter tow 11, and another wrapping material strip, not shown, wrapped around the processed wrapping material strip 33 and correspondingly provided with adhesive, may be wrapped around the filter tow 11.
  • another wrapping material strip not shown, wrapped around the processed wrapping material strip 33 and correspondingly provided with adhesive, may be wrapped around the filter tow 11.
  • the insertion device 30 looks like it is divided into a supply unit 31 and a process unit 32.
  • the supply unit 31 serves to supply electrical energy, for example current and voltage, compressed air, if necessary, water cooling or a heating with a heated one Water and a controller.
  • a control device could also be provided in the process unit, and otherwise the device features which in this case are necessary or desired for embossing.
  • the insertion device 30 at the respective first side 91 with the Filter rod machine 40 is detachably connectable and on the second side 92 with the filter wire preparation machine 20 is detachably connectable.
  • a plurality of insertion devices 30 are arranged one behind the other in the conveying direction 100 in order to provide further functionalities for processing wrapping material strips 33 and / or the filter tow.
  • the supply unit 31 can be directly connected to the filter tow preparation machine 20 and the filter rod machine 40.
  • the process unit 32 is then exclusively connectable directly to the supply unit 31.
  • other processing units 32 could be used with which different types of embossing can be ensured, in such a way that a change to the different processing units 32 is possible quickly and easily.
  • Fig. 2 schematically shows a filter manufacturing machine according to the invention of the tobacco processing industry with a very schematically illustrated Filtertowauflehusmaschine 20, a device according to the invention for processing a wrapping material strip, for example in the form of the insertion device 30 and a filter rod machine 40, which is also shown very schematically.
  • the processed filter tow 11 from the filter wire processing machine 20 is directed over rollers 61 above the web of wrapping material strip 33 of the wrapping material strip processing apparatus according to the invention and then threaded into an inlet hopper 41 of the filter rod machine.
  • a wrapping material strip 33 is fed from outside the insertion device or alternatively from a supply in the insertion device 30, which is not shown and may for example be a bobbin or a bobbin changer, via rollers 60 first to a wrapping material strip tensioning device 55, which ensures that the wrapping material strip is conveyed with the most constant predetermined tensile force.
  • a moistening device 50 in which the wrapping material strip 33 is moistened, for example with water, which is preferably mixed with a stabilizing agent, for example methyl cellulose.
  • a heater may be provided to heat the wrap strip of material. The heater can exploit heat radiation, for example, or hot air can be used here.
  • the subsequent embossing is more stable.
  • the moistening is preferably done so that the wrapping material strip 33 has a moisture content of 5 to 13 percent by mass, especially preferably 7 to 9 percent by mass and in particular 8 percent by mass, during embossing.
  • Humidification happens in Fig. 2 one-sided from below. Particularly preferred is an embodiment in which the humidification from both sides, ie in addition to the embodiment of Fig. 2 , also happens from above.
  • the moistened wrapping material strip is then conveyed in the conveying direction 90 via deflecting rollers 60 to an embossing device 36.
  • the embossing device 36 comprises a first embossing roller 34 and an embossing roller 35, which will be explained in more detail below.
  • a longitudinal axial embossing of the wrapping material strip is achieved, i. an embossing, which shows a waveform in a section transverse to the longitudinal axis of the wrapping material strip.
  • the heat radiation for example, infrared radiation, the wrapping material strip, in particular further heated. It can also be a heater in one or both embossing rollers 34, 35 may be provided.
  • At least one embossing roll in Fig. 2 the first embossing roll 34 is provided with a pivoting device 64 which, in the case of a winder, enables the swaging of an embossing roll from the other embossing roll.
  • a pivoting device 64 which, in the case of a winder, enables the swaging of an embossing roll from the other embossing roll.
  • two pivoting devices ie for each embossing roller a pivoting device 64, are provided.
  • the embossing rollers 34 and 35 may also be arranged linearly displaceable.
  • a drying device 51 is provided downstream, by means of which the embossed wrapping material strip 33 is dried.
  • a guide 63 by means of which in particular a lateral guidance of the wrapping material strip is made possible so as to regulate the lateral position of the wrapping material strip, in particular relative to the lateral position of a further wrapping material strip 52.
  • the embossed wrapping material strip is then placed in the stranding machine 40 on a further wrapping material strip 52, and then wound in a format device, not shown, around the filter tow 11 in the format device.
  • the wrapping material strip 52 is glued on the adhesive side 53 by means of a gluing device 54. This results in a secure connection of the wrapping material strip 52 with the embossed wrapping material strip 33.
  • the wrapping material strip 52 is correspondingly deflected by means of the deflecting roller 62.
  • the wrapping material strip tension of the processed wrapping material strip 33 is set before the format infeed.
  • a force or spring-loaded emboss roller suspension is provided.
  • a force or torque controlled dancer according to the configuration of the wrapping material strip tensioning control device 55 may be provided.
  • the embossed wrapping material strip is kept as tension-free as possible by means of the tensile force adjusting device 65. Any guides for the wrapping material strip between the embossing device and the format inlet of the strand device 40 should in particular also lead the wrapping material strip as free of tension as possible.
  • Fig. 3 schematically shows in a side view, the first embossing roll 34 and the second embossing roll of the embossing device 36.
  • the wrapping material strip 33 is brought into the effective range of the two embossing rollers 34 and 35.
  • the embossing roller 34 has intermittently embossing areas 72 to 75. As a result, corresponding areas are stamped on the wrapping material strip 33 and corresponding areas are not embossed. These are each arranged alternately in the conveying direction.
  • the arrangement of the embossing rollers 34 and 35 is preferably reversed to the in Fig. 3 that is, the embossing roller 34 is then arranged below the embossing roll 35.
  • the embossing roller 34 is thus disposed below the wrapping material strip barrel.
  • Fig. 4 shows a section of the two embossing rollers 34 and 35 Fig. 3 in a representation from another side, in this case in Fig. 3 from the left looking at the two embossing rollers.
  • the embossing roller 34 of the embossing region 75 is clearly visible and another area 71, which does not contribute to the embossing.
  • the embossing roller is provided with a contour which has alternating elevations and grooves. The elevations have a radius r1 and the grooves have a radius r2. There are a total of five grooves shown and six surveys.
  • the second embossing roll 35 In essence complementary to the shape of the second embossing roll 35, which, however, has a full embossing area, so no intermittent embossed areas, which alternate with other areas 71.
  • corresponding grooves and projections are provided, wherein the elevations have a radius r4 and the grooves have a radius r3.
  • the elevations of the first embossing roller 34 engage in the grooves of the second embossing roller 35 and vice versa engage the inner protrusions of the second embossing roller 35 in the grooves of the first embossing roller 34 a.
  • the outer protrusions of the second embossing roll 35 in this embodiment frame the outer protrusions of the first embossing roll 34.
  • first embossing roll 34 and the second embossing roll 35 are spaced from each other such that they do not touch so as to damage the wrapping material strip to prevent. Depending on the choice of wrapping material strip, this distance will be adjusted accordingly. It should also be noted that the radii used have no common divisors to minimize wear of the embossing rolls.
  • Fig. 5 schematically shows a section through a manufactured filter strand.
  • Filter material 110 is enclosed by the embossed wrapping material strip 33, which is wrapped around the filter material in abutment, resulting in a butting region 111.
  • Wrapped around it and bonded to the wrapping material strip 33 is a wrapping material strip 52 corresponding to the usual wrapping material strip in a filter strand.
  • Between the splices, ie the contact points of the two wrapping material strips 33 and 52 are provided corresponding longitudinal axial ventilation slots or ventilation areas, resulting in the increased filter effect in filter cigarettes.
  • Fig. 6 shows a schematic sectional view of two embossing rollers 34 and 35, which are in operative connection with each other.
  • the embossing roll 34 has schematically illustrated three elevations and two grooves, in a stamping area 75.
  • the elevations and thus the grooves are formed substantially in the vertical direction, as this of the double arrow 76 shows.
  • the flank angle of the elevations and the grooves are thus relatively steep, ie at about 0 °.
  • the wrapping material strip which is in Fig. 6 not shown, largely trapped between the vertical edges.
  • embossing is performed in which the wrapping material strip is stretched substantially in the vertical direction and not in the horizontal direction. This avoids bulging wrapping material strips after embossing.
  • the elevations or grooves are rounded in cross-section, preferably round, for example, semicircular, formed.
  • the counter embossing roller 35 is provided with two elevations and a groove and at the edge of two half-grooves.
  • This embodiment of the Fig. 6 is only schematically represent the roll geometry of the embossing rollers 34 and 35.
  • the rollers 34 and 35 of course continue to extend in the right and left direction of the Fig. 6 so that there then the embossing roller 34, for example, has 18 grooves and 19 surveys.
  • the counter embossing roller 35 then has 18 elevations and 17 grooves and two sub-grooves on the respective edge of the embossing roller 35. The transitions from the elevations to the flanks of the grooves are rounded.
  • the elevations are particularly preferably annular, helical or spirally formed circumferentially.
  • the ratio of the height of the elevations to the width of the elevations is preferably between 3 and 0.5, in particular 2.5 and 1.0, which allows a form-preserving further processing and damage-free production of an embossing.
  • wrapping material strip is paper, especially crepe paper.
  • the wrapping material is unwound from a reel by means of a paper tension control. It is then moistened the wrapping material to make the wrapping material plastically deformable, in particular flowable. Accordingly, moisture or in this case, for example, water can be sprayed onto the wrapping material strip, for example with a two-fluid nozzle or with a EinStoffdüse and a metering slide. It can also be applied steam or liquid or water are spread with a flat nozzle. It can also liquid or water are applied by means of a sponge.
  • the liquid or Water application is preferably metered with a control or regulating system, wherein a pump speed, a pressure regulating valve or a flow control valve is provided as a possible intervention.
  • Additives to the liquid may be added to or dissolved in the liquid, such as methylcellulose, to hold the wrapper strip of material after embossing.
  • the embossing process itself can be done with heated embossing rollers. Accordingly, it is preferable to suspend the rollers to provide escape in the event of a wrapping material strip winder.
  • a rocker or a sliding guide for example with disc springs or pneumatic cylinders is suitable.
  • a scraper may be provided, which acts on the pressure rollers to scrape off excess liquid or a superfluous additive.
  • the embossing rollers have a corresponding geometry, for example in the form of a matrix with a male part, which are substantially complementary to one another. These should not completely squeeze the wrapping material strip when embossing, but should keep areas free for stretching.
  • the roll circumferences should not share a common divider to prevent wear patterns.
  • a corresponding heating or heating of the wrapping material strip can be done inductively.
  • a spool core may be provided in an embossing roller or both embossing rollers, respectively. It can also be provided a thermal radiation.
  • heating rods could be arranged at short intervals in front of the embossing roll and / or in the embossing roll (s).
  • hot air can be blown onto the embossing rollers and so the embossing roll to be heated.
  • heating rods in the embossing rollers can also be provided.
  • a heated fluid such as water, oil or steam could also be passed into one or both rollers.
  • the wrap is preferably between 0 ° and 90 °, in particular preferably between 0 ° and 30 ° and particularly preferably between 0 ° and 5 °.
  • a hot air duct As a drying device, a hot air duct, a device with an infrared heater, a microwave heater or other conventional paper heating can be used.
  • a cutting position sensor should preferably be provided in order to adapt the cutting position of, for example, a filter rod to be cut from a manufactured filter strand to the embossing pattern.
  • it may alternatively be provided to provide a continuous embossing in the longitudinal axial direction.
  • the first embossing roller 34 is correspondingly not provided with different embossing areas 72 to 75, but has a continuous circumferential embossing area in the radial direction.
  • the gap size of the inlet finger of the format device of the stranding machine should be slightly larger than usual in the production of filters with at least partially embossed wrapping material strip in order to avoid smoothing out the embossing.
  • Fig. 7 schematically shows a section of a further embodiment the device according to the invention for processing a wrapping material strip.
  • the wrapping material strip 33 passes from the bottom left via a deflection roller 60 into a moistening device 50.
  • the moistening device can be based on ultrasonic atomization, so that a liquid mist, in particular water mist, is produced in the moistening device 50, through which the wrapping material strip 33 is guided.
  • it may also be a spraying with liquid via a single-fluid or two-fluid nozzle or be generated by steam or superheated steam or a water mist by a rotary atomization.
  • the moistened wrapping material strip passes in the conveying direction 90 to a deflection roller 60, at which downstream of the conveying direction two contact bodies 80 and 80 'connect, by means of which a heating or heating of the wrapping material strip 33 is achieved.
  • the contact bodies 80 and 80 ' are heated.
  • the heating is done via an induction.
  • induction coils 81 and 81 ' are provided which, when an alternating field is provided in the contact bodies 80, 80' generate eddy currents which lead to the heating of the contact bodies 80, 80 '.
  • the contact bodies 80, 80 ' can also have a multilayer structure, so that, for example, only a surface layer on which the wrapping material strip 33 makes contact with the respective contact body is heated. In this case, then not the entire contact body 80, 80 ', for example, from a ferrous material, but only the surface layer or a thin layer, which is arranged on the surface. It takes place here a corresponding heating, which is for example between 70 ° C and 120 ° C, in particular 80 ° C to 100 ° C, is.
  • the heating of the wrapping material strip by the contact bodies may be somewhat lower in temperature, for example, as well as in FIG Fig. 7 is shown, the embossing rollers 34 and 35 are also heated accordingly.
  • an induction heater can be used.
  • induction coils 82 "and 82 '" are arranged adjacent to the respective embossing roller 34 and 35, respectively, which can also generate an induction current in the embossing rollers or in a surface layer of the embossing rollers, which leads to a heating of the embossing rollers or a surface layer of the embossing rollers leads.
  • either the respective embossing roller 34 or 35 or the surface layer is then made of a preferably iron-containing material.
  • the temperature of the wrapping material strip should then be in the range from 70 ° C. to 120 ° C., in particular preferably from 80 ° C. to 100 ° C.
  • the energy can be selectively introduced into the part to be heated, whereby a very efficient use of energy is possible.
  • the body to be heated for example, the contact body 80, 80 'or the embossing rollers 34, 35
  • the body to be heated can be heated according to the surface only in one layer.
  • the layer thickness is found for the skilled person depending on the application requirements and is in particular between 0.5 mm and 5 mm. This layer may then be iron-containing, for example, whereas the remainder of the contact body 80, 80 'or the embossing roll 34, 35 may comprise another material, such as aluminum.
  • the wrapping material strip 33 is conveyed in the direction of a format inlet of an extrusion machine in the conveying direction 90. Between the embossing device 36 and the format inlet, the in Fig. 7 is not shown, the wrapping material strip should be performed as free of tension.
  • a Switzerlandwalzencru 87 comprising a guide roller 88 and a pressure roller 89
  • the pressure roller 89 may have an elastic sheath such as rubber and press against the diverting pulley 88. The diverting pulley 88 is driven to pull the sheath material strip from upstream.
  • the wrapping material strip passes around a deflection roller 60, there already relatively tension-free, and then subsequently in the embossing device 36, comprising the embossing rollers 34 and 35, the here in Fig. 8 are indicated by dashed lines, to be embossed and then fed tension free from there to the format device.
  • a deflection roller 60 there already relatively tension-free
  • the embossing device 36 comprising the embossing rollers 34 and 35, the here in Fig. 8 are indicated by dashed lines, to be embossed and then fed tension free from there to the format device.
  • a little more wrapping material should be conveyed from the draw roller pair 87 to the embossing device than is conveyed away by the stranding machine which adjoins.
  • a low voltage can be achieved up to a voltage free shortly before the format inlet. If a correspondingly high tensile stress prevails in this area, otherwise at least the outer area of the wrapping material strip would be re-embo
  • Fig. 8 also shows that the pressure roller 89 is pressed by a lever and a pivot axis to the guide roller 88.
  • FIG. 8 a particular embodiment of a heating device, which is arranged upstream of the embossing device 36. It is similar here as in Fig. 7 two contact bodies 80, 80 'shown schematically, wherein the wrapping material strip 33 in this area, namely in the contact region of the contact body 80, 80 'are shown in dashed lines to the wrapping material strip 33, since this is a schematic view and guide surfaces and also partially also safety bar 84 and 84' cover the wrapping material strip.
  • the guide surfaces or guide walls serve to provide a uniform wrapping material strip guide.
  • the safety brackets 84, 84 ' serve to prevent the operator from touching the contact bodies 80, 80', which are correspondingly hot.
  • the wrapping material strip guide here has another special feature.
  • deflection rollers provided, namely deflection rollers 60 '. These are attached to a pivot arm 83 which is pivotable about a pivot axis 86. In the event of a machine stop, this pivoting arm 83 now pivots in the pivoting direction 85, so that the wrapping material strip 33, which is deflected around the first deflecting roller 60 'in wrapping material strip conveying direction by two deflecting rollers 60 and then by a further deflecting roller 60', moves away from the surfaces the contact body 80, 80 'removed.
  • the contact body 80, 80 'from Fig. 8 can also be heated inductively.
  • the area to be heated namely the area which comes into contact with the wrapping material strip 33, consists of a material which is inductively effective.
  • a corresponding material should be an electrically conductive material, wherein the conductivity should not be too large. Iron-containing materials are particularly suitable for this purpose.
  • the heating effect arises from the fact that the eddy currents generated by the induction in the conductive material have corresponding losses, which leads to the development of heat.
  • an electric heater may also be incorporated into the contact bodies 80, 80 ', for example.
  • the invention has been explained with reference to a single-lane strand machine.
  • wider embossing rolls may be used and embossed a wrapping material strip that is two or more times the width of a strand.
  • the wrapping material strip may be longitudinally cut into two or more strips and fed to the respective strands. It can also be prefabricated, i. precut, wrapping material to be processed.
EP12182784.4A 2012-01-30 2012-09-03 Procédé et dispositif destinés au traitement d'une bande de matériau d'enrobage Withdrawn EP2620062A3 (fr)

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DE102012201279A DE102012201279A1 (de) 2012-01-30 2012-01-30 Verfahren und Vorrichtung zum Bearbeiten eines Umhüllungsmaterialstreifens

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JP2016528909A (ja) * 2013-09-02 2016-09-23 フィリップ・モーリス・プロダクツ・ソシエテ・アノニム 可変圧着ウェブ材料の製造に使用するための方法および装置
DE102016114660A1 (de) * 2016-08-08 2018-02-08 Wilhelm B a h m ü l l e r Maschinenbau Präzisionswerkzeuge GmbH Verfahren und Vorrichtung zur Faltung von Wellpappe

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DE102012204331A1 (de) 2012-03-19 2013-09-19 Hauni Maschinenbau Ag Herstellmaschine und Verfahren zum Betrieb einer Herstellmaschine von stabförmigen Artikeln der Tabak verarbeitenden Industrie
DE102012208612A1 (de) 2012-05-23 2013-11-28 Hauni Maschinenbau Ag Prägewalze
DE102013223854A1 (de) * 2013-09-09 2015-03-12 Wilhelm B a h m ü l l e r Maschinenbau Präzisionswerkzeuge GmbH Vorrichtung und Verfahren zum Rillen von Wellpappe und Vollpappe
DE102013223076A1 (de) 2013-11-13 2015-05-13 Hauni Maschinenbau Ag Prägewalze
CN104720100B (zh) * 2015-01-28 2018-10-19 湖南中烟工业有限责任公司 一种纤维素纸中定位添加减害功能材料的沟槽滤嘴及其制备方法和应用
CN105595418B (zh) * 2016-03-15 2022-03-25 河南中烟工业有限责任公司 一种用于kdf2成型机组的香料线加香成型系统
CN108378415A (zh) * 2018-01-31 2018-08-10 南通烟滤嘴有限责任公司 纸带与丝束同步的沟槽滤棒成型机

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