EP2217100A2 - Dispositif permettant de traiter au moins deux boudins de filtre - Google Patents

Dispositif permettant de traiter au moins deux boudins de filtre

Info

Publication number
EP2217100A2
EP2217100A2 EP08854235A EP08854235A EP2217100A2 EP 2217100 A2 EP2217100 A2 EP 2217100A2 EP 08854235 A EP08854235 A EP 08854235A EP 08854235 A EP08854235 A EP 08854235A EP 2217100 A2 EP2217100 A2 EP 2217100A2
Authority
EP
European Patent Office
Prior art keywords
metering
filter tow
filter
deflection
additive
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Withdrawn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
EP08854235A
Other languages
German (de)
English (en)
Inventor
Sönke Horn
Stephan Wolff
Jan Peisker
Stefan Wiesemann
Thorsten Scherbarth
Karsten Meinke
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 EP2217100A2 publication Critical patent/EP2217100A2/fr
Withdrawn legal-status Critical Current

Links

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
    • A24D3/0212—Applying additives to filter materials
    • A24D3/0225—Applying additives to filter materials with solid additives, e.g. incorporation of a granular product
    • 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
    • A24D3/027—Multiple line manufacturing devices
    • 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
    • A24D3/0295—Process control means
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01G—WEIGHING
    • G01G13/00—Weighing apparatus with automatic feed or discharge for weighing-out batches of material
    • G01G13/02—Means for automatically loading weigh pans or other receptacles, e.g. disposable containers, under control of the weighing mechanism
    • G01G13/022—Material feeding devices
    • G01G13/024—Material feeding devices by gravity
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01G—WEIGHING
    • G01G13/00—Weighing apparatus with automatic feed or discharge for weighing-out batches of material
    • G01G13/24—Weighing mechanism control arrangements for automatic feed or discharge
    • G01G13/248—Continuous control of flow of material
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01G—WEIGHING
    • G01G17/00—Apparatus for or methods of weighing material of special form or property
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01G—WEIGHING
    • G01G9/00—Methods of, or apparatus for, the determination of weight, not provided for in groups G01G1/00 - G01G7/00
    • G01G9/005—Methods of, or apparatus for, the determination of weight, not provided for in groups G01G1/00 - G01G7/00 using radiations, e.g. radioactive

Definitions

  • the invention relates to a device for processing at least two filter tows of the tobacco-processing industry, with at least two Filtertow col Struktur- rungsglazedn, along each of which a filter tow line is guided, and a supply device for supplying at least one granular or powdery additive to the filter tow lines for the feed in the filter towers.
  • additives such as activated carbon (also called Charcoal), PE granules, plasticizers or other substances
  • activated carbon also called Charcoal
  • PE granules granules
  • plasticizers or other substances
  • additive is to be understood both a single substance and a plurality or mixture of substances, which may each also form an additive in each case.
  • a device of the aforementioned type is known in principle from DE 10 2006 001 643 A1.
  • WO 00/51451 A1 and EP 1 314 363 A1 describe a single-strand filter-strand production machine which also provides the possibility of feeding in, in particular special granular or powdery, additives, such as activated carbon, has in the filter tows.
  • a device for processing at least two filter tows with at least two filter tow lines of the tobacco processing industry, along each of which a filter tow line is guided, and a supply device for supplying at least one granular or powdery additive to the filter tow paths for the feed in the filter tow, characterized in that the supply means comprises at least two supply sections, of which at least one supply section is associated with a filter tow path, and a metering device for metering the amount of the supplied via the supply additive and delivery to the associated filter tow path is provided.
  • a feed section which is part of the supply means, each associated with a filter tow path
  • the feed of at least one additive in the filter tow for a two- or multi-strand filter production can make much more flexible.
  • the invention offers the possibility of a separate supply of at least one additive for the different filter tows.
  • the invention also provides the ability to feed the additive in a defined amount in the filter tows. Preferred embodiments and further developments of the invention are specified in the dependent claims.
  • the metering device has at least two dosing agents, of which in each case one dosing agent of a filter tow-away device is assigned.
  • at least one dosing agent has at least one dosing roller.
  • the supply sections each have at least one memory for temporary storage of at least one additive.
  • the feed sections preferably each have at least one shaft leading to the metering device.
  • both memories can be filled with different additive, which passes into the shafts to the metering device, which then emits the additive in a defined amount to the filter tow paths and thus the filter tows.
  • a deflection device for deflecting the filter tow paths is provided in a substantially superposed arrangement.
  • the filter tow strands lie substantially one above the other, they are then sprinkled with additive by the metering device, whereby a simultaneous application of at least one additive can be achieved in a particularly simple manner. They can already be offset from each other. An elaborate merging of the filter towers from a juxtaposed alignment is omitted in this embodiment.
  • a further preferred embodiment of the invention is characterized in that the metering device for dispensing the additive in strip-shaped sections is formed on a filter tow line, wherein the strip-shaped sections are arranged at an angle smaller than 90 ° relative to the direction of movement of the filter tow line.
  • at least one metering roller is arranged with its axis of rotation at an angle smaller than 90 ° with respect to the direction of movement of the filter tow line.
  • the same inclination can be achieved even at an angle of greater than 90 ° with respect to the direction of movement of the filter tow strand, since it geometrically results in the same result, whether an acute angle or the adjacent one obtuse angle is used as a measured variable.
  • the application process with respect to the longitudinal extension of the filter tow is drawn in length, so that can be achieved by the inclination of the filter tow to the metering device and in particular the metering a more uniform distribution of the additive on the filter tow line.
  • This embodiment is particularly advantageous when using Metering rollers, which are formed as a grooved rollers, as is drawn by the inclination of the dispensing of the individual groove-shaped wells with respect to the strand direction in the length.
  • a further preferred embodiment of the invention is characterized by a deflection device with first deflecting means for deflecting at least two filter tow lines from a substantially superposed arrangement into a mutually divergent orientation and with second deflection means for deflecting the filter tow paths from the mutually divergent orientation in FIG a substantially adjacent arrangement, wherein each of the first deflection means is associated with a deflection of a filter tow path and of the second deflection means also each a deflection of a filter tow path.
  • the first deflection means are inclined to each other. Due to this inclination, a substantially constant tensile stress can be generated over the entire width of the filter tow line.
  • the second deflecting means are designed to bring the deflected filter tow lines into a mutually convergent alignment.
  • the center lines of the filter tows can be easily merge without a one-sided tension occurs.
  • the filter tow paths run side by side to the metering device, where additive is applied in the filter tows.
  • Figure 1 schematically in perspective view to a greater part a plant for the production of cigarette filters in the two-strand process
  • FIG. 2 is a schematic side view of the system of FIG. 1;
  • Figure 3 shows schematically in cross section a part of an apparatus for introducing activated carbon granules according to a preferred first embodiment
  • Figure 4 shows schematically in cross-section an arrangement of two metering rollers used in the embodiment of Figure 3 with associated drive motors
  • Figure 5 shows schematically in cross section a part of an apparatus for introducing activated carbon granules according to a preferred second embodiment
  • Figure 6 shows schematically in cross section a part of an apparatus for introducing activated carbon granulate according to a preferred third embodiment
  • Figure 7 shows schematically in cross section a part of an apparatus for introducing activated carbon granulate according to a preferred fourth embodiment
  • FIG. 8 is a schematic cross-sectional view of a metering roller commonly used for two strands according to a preferred fifth embodiment
  • Figure 9 shows schematically in cross section a part of an apparatus for introducing activated carbon granules according to a preferred sixth embodiment
  • Figure 10 shows a part of a device for the introduction of activated carbon granules schematically in a side view (a), a front view (b) and a top view (C);
  • Figure 11 is a schematic plan view of a portion of a filter tow strip and an overlying metering roller in a conventional, with respect to the strand direction approximately rectangular arrangement (a) and in a contrast oblique arrangement according to a preferred eighth embodiment (b);
  • Figure 12 is a schematic front view of two adjacent metering rollers and two correspondingly assigned and shown in cross section filter towers in a parallel arrangement to the metering rollers (a) and in contrast obliquely placed arrangement according to a preferred ninth embodiment (b);
  • Figure 14 is a perspective schematic schematic view of a modular construction of the system of Figures 1 and 2 (a) and provided for this purpose conveyor (b) according to a preferred eleventh embodiment;
  • Figure 15 shows schematically in cross section a part of an apparatus for introducing activated carbon granulate according to a preferred twelfth embodiment
  • Figure 16 is a schematic plan view of part of an apparatus for the introduction of activated carbon granulate according to a preferred thirteenth embodiment
  • FIG. 17 is a schematic perspective view of a part of an apparatus for introducing granular activated carbon according to a preferred fourteenth embodiment
  • Figure 18 is a schematic perspective view of part of an apparatus for introducing activated carbon granulate according to a preferred fifteenth embodiment
  • FIG. 19 shows a schematic perspective view of a part of an apparatus for introducing activated carbon granules according to a preferred sixteenth
  • Figure 20 is a schematic perspective view of a part of an apparatus for introducing activated carbon granulate according to a preferred seventeenth embodiment
  • FIG. 21 shows a part of an apparatus for introducing activated carbon granulate schematically in a front view (a), a side view (b) and a top view (c) according to a preferred eighteenth embodiment
  • FIG. 22 shows a part of an apparatus for introducing activated carbon granules schematically in a first side view (a), a second side view (b) and a top view (c) according to a preferred nineteenth embodiment
  • FIG. 23 shows a schematic block diagram of an arrangement for conveying process air in a circuit according to a preferred twentieth embodiment.
  • FIG 1 is a perspective view and in Figure 2 in side view schematically shows a plant for the production of cigarette filters in the two-strand process shown.
  • This plant consists in the illustrated embodiment of three components, each forming a device, namely a device 2 for the simultaneous production of two filter tows, a device 4 for the introduction of activated carbon granules, also referred to as charcoal, in the filter tow produced by the device 2 and a device 6 for the production of filter rods from the filter tows.
  • the device 2 for the production of two filter tows consists of two processing modules 12 which, viewed in the process direction, are arranged behind one another.
  • Each of the treatment modules 12 has a housing 14, the upper side of which is provided with an inlet 16 through which a filter tow 8a and 8b respectively enters.
  • the filter tow 8a or 8b is withdrawn prior to entering the processing module 12 of a filter towballs not shown in the figures and via a above the processing module 12 befindliches and not shown in the figures deflecting and Towausbungsungsorgan, which is arranged at the upper end of a support arm, also not shown in the figures, directed towards the inlet 16.
  • each conditioning module 12 in the illustrated embodiment has a braking device 20 which usually includes a pair of brake rollers not visible in the drawings.
  • the filter tow 8a or 8b passes through different processing devices in each processing module 12.
  • the filter tow strip 8a or 8b first undergoes pre-stretching between the braking device 20 and a downstream pair of rollers 22, the filter tow 8a or 8b is guided through a stretching device known per se, which passes through the pair of rollers 22 and a further downstream pair of rollers 24 is formed and makes a Hauptre- cover on the filter tow 8a and 8b.
  • the filter tow strip 8a or 8b is deflected in each processing module 12 via a deflection roller 28 in the direction of the device 4 for the introduction of activated carbon granules. While in the embodiment shown in each processing module 12, a single filter tow 8a and 8b is formed and processed, both filter tow strips 8a, 8b enter together in the device 4 for the introduction of activated carbon granules, as shown in Figures 1 and 2 can be seen.
  • FIG. 1 also shows that the filter tow strips 8a, 8b have a flat strip shape at least from the exit from the processing modules 12 of the device 2 to the transport nozzle 34 at the outlet of the device 4.
  • a supply device 40 which, according to FIGS. 1 and 2, has a storage container 42 whose outlet (not shown) is connected at its lower end to a metering device 50 via a shaft 44.
  • a metering device 50 activated carbon granules are filled, which passes through the supply shaft 44 to the metering device 50.
  • the metering device 50 the amount of activated carbon granules obtained via the supply shaft 44 is metered and introduced into the filter tow strips 8a, 8b in a corresponding metered form.
  • the supply shaft 44 connects to the lower end of the storage container 42 and the metering device 50 is located below the supply shaft 44, the activated carbon granules passes by gravity from the storage tank 42 via the supply shaft 44 to the metering device 50. Further, in the illustrated embodiment, the filter tow 8a , 8b below the metering device 50 are guided past this, the dispensing of the metered amount of activated carbon granules from the metering device 50 to the filter tows 8a, 8b also takes place by gravity, by the activated carbon granules are scattered by the metering device 50 on the filter tows 8a, 8b.
  • the feed finger 36 connected downstream of the transport nozzle 34 forms the transition from the device 4 to the device 6 and ensures that a filter tow line is formed from the filter tow strip 8a or 8b, which is then processed into finished filter rods in the device 6.
  • FIG. 3 shows a portion of the apparatus 4 according to a preferred first embodiment of the invention wherein the feeder 40 is in two feeder sections 40a, 40b is divided. Furthermore, a first filter tow 8a and a second filter tow 8b are shown in side-by-side arrangement in cross-section in FIG. The first filter tow strip 8a is guided along a first filter tow path and the second filter tow 8b is guided along a second filter tow path. The two Filter towpaths are not shown in the figures. Of the two feed sections 40a, 40b, the first feed section 40a of the first filter tow path leading the first filter tow 8a and the second feed section 40b of the second filter tow leading the second filter tow 8b are associated.
  • the first supply section 40a has a first storage container 42a and a first supply shaft 44a adjoining and below it
  • the second supply section 40b has a second storage container 42b and a second supply shaft 44b adjoining and arranged below it.
  • the two storage tanks 42a and 42b are used to receive activated carbon granules, wherein individual walls of the storage tanks 42a, 42b or the storage tanks 42a, 42b can be designed or stored as a whole swingable in order to avoid bridging of the activated carbon granules.
  • the metering device 50 has two coaxially juxtaposed, rotatably mounted metering rollers 52a, 52b, of which a first metering roller 52a between the first supply shaft 44a and the first filter tow strip 8a and a second metering roller 52b between the second supply shaft 44b and the second filter tow 8b is arranged.
  • the common axis of rotation 53 of the two metering rollers 52a, 52b extends approximately parallel to the plane in which the two filter tow strips 8a, 8b run below the two metering rollers 52a, 52b.
  • the supply shafts 44a, 44b are arranged above the metering rollers 52a, 52b and end with their outlet directly above the circumference of the metering rollers 52a, 52b, as shown in FIG.
  • the two filter tow strips 8a, 8b extend below the metering rollers 52a, 52b in a direction perpendicular to the axis of rotation 53 and to the image viewing plane of FIG. 3, the distance between the filter tow strips 8a, 8b and the circumference of the metering rollers 52a, 52b being relatively small.
  • the metering rollers 52a, 52b are formed as so-called. Nutenwalzen by distributed over the circumference groove-shaped troughs are formed, which are parallel to the axis of rotation 53 and adjacent to each other in the circumferential direction. In FIG. 3, by way of example, some of these groove-shaped depressions 54 are shown schematically.
  • the activated carbon granules passes by gravity into the underlying supply shafts 44a, 44b.
  • Both storage tanks Incidentally, 42a, 42b can be filled, if necessary, with different activated carbon granules.
  • the activated carbon granules fall onto the circumference of the metering rollers 52a, 52b, whereby the groove-shaped depressions 54 are filled.
  • the metering rollers 52a, 52b then convey the activated carbon granules in a defined quantity to the filter tow strips 8a, 8b by rotation, where they then fall out of the groove-shaped depressions 54 and thus are scattered onto the filter tow strips 8a, 8b.
  • the two metering rollers 52, 52b in the illustrated embodiment are close to each other, it is advantageous to arrange a separating plate 56 between the two metering rollers 52a, 52b, which extends approximately at right angles to the axis of rotation 53 and the two metering rollers 52a, 52b spatially separated from each other. In this way it is prevented that activated carbon granules from the one metering roller reaches the other metering roller.
  • the embodiment according to FIG. 3 thus offers the possibility of a separate activated carbon granulate guide for both strands for a two-strand machine.
  • the additive to be dosed may be different for each strand.
  • each metering roller 52a or 52b is driven individually by a separate motor 58a or 58b.
  • the rotational speed for each metering roller 52a, 52b can be controlled individually, whereby different dosages and thus different loadings of the respective filter tow strip 8a or 8b can be realized.
  • a control device (not shown in the figures) which controls the drives 58a, 58b.
  • a control device which of course works online, so while the process is running, it comes to a minimization of weight fluctuations in the filter tows.
  • the supplied amount of activated carbon granulate can be controlled by a sensor, which is preferably designed to work optically and / or using infrared light and / or microwaves and / or to measure the electrical conductivity of the additive.
  • the delivery rate is controlled by adjusting the rotational speed of the metering rollers 52a, 52b, by the drive motors 58a, 58b of the metering rollers 52a, 52b are controlled by the control device accordingly.
  • FIG. 5 shows a preferred second embodiment, which differs from the first embodiment according to FIG. 3 in that additionally a closing mechanism 60 is provided, by means of which the activated carbon granule feed from the respective supply shaft 44a or 44b to the metering roller 52a or 52b can be blocked if required ,
  • a closing mechanism 60 is provided, by means of which the activated carbon granule feed from the respective supply shaft 44a or 44b to the metering roller 52a or 52b can be blocked if required .
  • Figure 6 shows a preferred third embodiment in which a supply section 40a a plurality, in the present case three, adjacent storage container 42aa, 42ab , 42ac, at whose lower end in each case a supply shaft 44aa, 44ab and 44ac is connected.
  • the supply shafts 44aa, 44ab, 44ac point to a common metering roller 52a.
  • metering roller 52a and the filter tow line 8a leading, associated filter tow path is also still a mixing chamber 62.
  • activated carbon granules may be provided over multiple supply strands in front of the common metering roller 52a.
  • the activated carbon granules in the mixing chamber 62 are mixed with one another.
  • FIG. 7 shows a preferred fourth embodiment, which differs from the embodiment according to FIG. 6 in that, instead of a common metering roller, separate metering rollers 52a, 52ab and 52ac are provided, each metering roller being associated with one of the supply shafts 44aa, 44ab, 44ac and, on the other hand, a return line 64 is provided which leads from the filter tow line leading the filter tow 8a to one of the storage containers.
  • the repatriation Device 64 consists in particular of a hose or pipe and operates pneumatically, preferably in the suction mode.
  • FIGS. 6 and 7 contain only one feed section, thus being provided only for one filter tow path and therefore only one strand.
  • each filter tow path is assigned an individual metering roller
  • a common metering roller for a plurality of filter tow paths and, accordingly, for a plurality of filter tow strips.
  • FIG. 8 shows by way of example in FIG. 8 as a preferred fifth embodiment, in which a common metering roller 52 is assigned two filter tows 8a, 8b.
  • both filter tows 8a, 8b are loaded by the common metering roller 52 with the same amount of activated carbon granules.
  • a second metering roller and a second drive omitted in this embodiment.
  • FIG. 9 shows a preferred sixth embodiment, which differs from the second embodiment according to FIG. 5 in that, instead of a closing mechanism, a metering slide 66 is provided at the outlet of each supply shaft 44a, 44b, which occupies not only an open position and a closed position, but between them Both end positions can take any position.
  • the metering slide 66 is movably mounted in the conveying path and thus in the mass flow of the activated charcoal granulate. This movement can be linear or take place by pivoting.
  • the movement of the metering slides 66 which expediently se consist of a plate-shaped element, is preferably carried out by an associated drive not shown in the figures, which is controlled by the aforementioned control device.
  • the flow rate of the activated carbon granulate through the supply shafts 44a, 44b to the metering rollers 52a, 52b can be adjusted accordingly.
  • FIG. 10 shows a detail of the device 4 in the region of the deflection rollers 32a, 32b according to a preferred seventh embodiment.
  • the special feature of this embodiment is that the filter tow strips 8a, 8b are deflected from their substantially vertical orientation via two deflection rollers 32a, 32b into an approximately horizontally oriented arrangement which also lies one above the other, as shown in particular in FIG. 10a. After this deflection, downstream of the deflection rollers 32a, 32b, the feed of the activated charcoal granules takes place.
  • the two filter tow strips 8a, 8b may be guided along the filter tow paths such that they are offset by the distance A, relative to the central axis. In this design eliminates a complex merging of adjacent filter towers.
  • the respective metering roller with its axis of rotation is approximately at right angles to the longitudinal extension or direction of movement of the associated filter tow strip. This is shown in FIG. 11a using the example of the first metering roller 52a associated with the first filter tow strip 8a.
  • the metering rollers are formed as Nutenwalzen, which is the case in the representation of Figure 11 and thus the activated carbon granules are taken up and transported by the groove-shaped wells, the delivery of the activated carbon granules is carried on the filter tow in discrete quantities, which are spaced apart, such as show at right angles to the direction of movement of the filter tow strip 8a extending strip-shaped portions 70.
  • FIG. 12a shows the same arrangement for two strands in front view as FIG. 11a for a strand in plan view, in which the metering rollers 52a, 52b not only at right angles to the longitudinal extent or direction of movement of the filter tow strips 8a, 8b but at the same time parallel to their longitudinal axis of rotation 53 Level are aligned, in which the two filter tow strips 8a, 8b are at least in the area below the metering rollers 52a, 52b.
  • Figure 13 shows a preferred tenth embodiment with such a swivel turret.
  • the swivel turret is shown in simplified form as a plate-shaped swivel body 74, which has two plate-shaped sections 74a, 74b lying at right angles to one another and thus has an L-shaped cross section, as can be seen in particular from FIG.
  • On the first section 74a are all the components required for feeding and feeding at least one additive into a filter tow line. advantage.
  • the first portion 74a of the pivot body 74 serves as a support for the arrangement of supply shaft 42a, metering roller 52a, chute 68a and transport nozzle 34a, as can be seen in particular Figures 13a and b.
  • the arrangement is such that in the position shown in FIGS.
  • the supply shaft 42a, the metering roller 52a and the chaff 68a are substantially vertical to one another, so that the activated charcoal granules are influenced by the influence of gravity the supply shaft 42a passes through the metering roller 52a in the chute 68a and can be spread on the guided through the chaff 68a filter tow.
  • the swivel body 74 is pivotally mounted by 90 ° between a first pivot position and a second pivot position.
  • the storage takes over a pivot joint 76, which is shown schematically in Figure 13b.
  • the swivel joint 76 is seated in the connecting region between the two sections 74a, 74b of the swivel body 74 arranged at right angles to one another, wherein the swivel axis runs parallel to the transport direction of the filter tow strip 8a and thus to the line direction.
  • FIGS. 13a and b show the swivel body 74 in its first pivotal position, in which the chaff 68a and the transport nozzle 34a lie in the filter tow path leading to the filter tow 8a. In this first pivot position thus takes place the application of activated carbon granules.
  • FIG. 13a schematically shows the filter tow 8a, which is provided with activated charcoal pellets in the direction of the transport nozzle 34a after emerging from the chaff 68a, which is indicated by black color in FIG. 13a.
  • the swivel body 74 has two defined swivel positions, namely the first swivel position according to FIGS. 13a and b and the second swivel position according to FIG. 13c.
  • the arrangement must of course be made so that lie in the first pivot position of the spreader 68a and downstream transport nozzle 34a in the (stationary) Filterertow Operationssumble and in the second pivot position shown in Figure 13c, only the further transport nozzle 134a in the filter tow path.
  • a corresponding locking device should be provided, which preferably has locking means for latching in the respective pivot position.
  • the preferred tenth embodiment according to Figure 13 allows a change between so-called “black” strand with activated carbon granules and so-called “white” strand without activated carbon granules.
  • the embodiment shown in FIG. 13 is intended only for one filter tow path and thus only affects one strand.
  • the change between "black” and white "strand can also be realized, for example, by complete replacement of the device 4 shown in FIGS. 1 and 2.
  • the device 4 is to be provided between the devices 2 and 6 as a modular functional subassembly which can be easily exchanged, as can be seen schematically from FIG. 14, in which a preferred eleventh embodiment is shown. While a common base frame of the entire machine or system is not shown in the figures, the device 4 can be detached from such a base frame and replaced with the aid of a conveyor 77 shown schematically in FIG. 14b.
  • Figure 15 shows a preferred twelfth embodiment, which differs from the embodiment of Figure 9 essentially in that instead of at the output of
  • Metering plates 78 are arranged which influence the effective width of the active granulate mass flow guided by the respective metering roller 52a, 52b to the filter tow strip 8a or 8b associated therewith and thus the amount of activated carbon granulate 70 to be applied.
  • two Dosierbleche 78 are arranged in the middle between the two activated carbon granulate streams and thus between the two strands and stored so movable that, if necessary, the left metering plate 78 in the coming from the left feed section 40a left Aktivkohlegranulatstrom and the right dosing plate 78 can move into the right activated carbon granulate stream coming from the right feeding section 40b.
  • the movement of the two metering plates 78 preferably takes place independently of one another.
  • independently operating drives are provided, which are controlled independently of each other by the aforementioned control device.
  • the drives are not shown in FIG.
  • the movement of the two metering plates 78 can take place transversely to the direction of movement of the granular mass flow, as indicated by the double arrow in FIG. 15;
  • the drives are to be provided as linear drives.
  • the two metering plates 78 can pivotally mount the two metering plates 78 and, for example, to hang them together on a hinge, wherein the pivot axis should extend substantially at approximately right angles to the viewing plane of FIG. 15;
  • the drives are then to be provided as part-turn actuators.
  • the metering plates 78 act as baffles.
  • Excess activated carbon granules collected by the metering plates 78 are returned by means of return lines into a storage container (not shown in FIG. 15) of the associated supply section 40a or 40b.
  • a return line 64 is provided for each strand, wherein only one inlet-side end of the return lines 64 of FIG. 15 can be seen in cross-section, which is used to receive trapped by the respective dosing plate 78 Granules has an upwardly open trough shape.
  • Figure 16 shows a preferred thirteenth embodiment in which the metering device 50 in addition to the metering roller 52a for a strand also has an adjusting mechanism 80 for selectively reducing the width of a filter tow 8a.
  • the adjusting mechanism 80 according to FIG. 16 has two guide plates which rest against the side edges of the filter tow strip 8a and are movable transversely to its longitudinal extent, namely between a maximum distance C max corresponding to the full width of the filter tow strip 8a in the extended state and a minimum distance C min in which the effective width of the filter tow strip 8a is correspondingly reduced.
  • an unillustrated drive is provided, which is controlled by the aforementioned control device accordingly.
  • the activated carbon granules are always sprinkled in the same amount at full width by the metering roller 52a.
  • the full width corresponding to the maximum distance C max means maximum loading of the filter tow 8a with activated carbon granules 70.
  • the adjusting mechanism 80 affects the amount of activated carbon granules applied. The excess activated charcoal granulate is thereby returned to the process, for which purpose, for example, a return device according to the return lines shown in FIGS. 7 and 15 is to be provided.
  • FIG. 17 shows a preferred fourteenth embodiment based on a strand, which differs from the embodiment according to FIG. 9 in that the metering slide 66 is arranged between the metering roller 52a and the associated filter tow path and thus the filter tow 8a guided therefrom, one upwards to the metering roller 52a has open trough shape and is connected to a return line 64.
  • the metering slide 66 is according to double arrow X transversely to the longitudinal extent and transport direction of the filter tow strip 8a and thus movable transversely to the strand direction.
  • the return line 64 With regard to the construction and function of the return line 64, reference is made to the description of the embodiments shown in FIGS. 7 and 15.
  • the metering roller 52a preferably conveys a constant flow of activated charcoal granulate.
  • the position of the metering slide 66 can then regulate the amount of activated carbon granules 70, which is strewn on the filter tow 8a.
  • the portion of the active substance collected by the metering slide 66 amount of carbon granules is recycled through the return line 64 and thus can be recycled to the process.
  • FIG. 18 shows a preferred fifteenth embodiment, which differs from the preferred third embodiment according to FIG. 6 essentially in that movable dividing walls 82, 84 are provided between the supply shafts 44aa, 44ab, 44ac, which are transverse to the longitudinal direction and transport direction of the filter tow strip 8a and 8b thus are mounted displaceably transversely to the strand direction.
  • movable dividing walls 82, 84 are provided between the supply shafts 44aa, 44ab, 44ac, which are transverse to the longitudinal direction and transport direction of the filter tow strip 8a and 8b thus are mounted displaceably transversely to the strand direction.
  • corresponding drives are provided, which are not shown in Figure 18 and are controlled by the aforementioned control device.
  • the width of the individual supply shafts 44aa, 44ab, 44ac to be set by the adjustable partitions 82, 84 depends on the desired mixing ratio. The wider a supply shaft is adjusted, the higher is the respective proportion of the additive supplied by this supply shaft in the metering roller 52a and subsequently in the filter tow 8a.
  • FIG. 19 shows a preferred sixteenth embodiment, which differs from the preferred sixth embodiment according to FIG. 9 in that a metering roller is missing and the metering device 50 essentially has only one metering slide 66 associated with the feed section 40a.
  • a baffle plate 86 which is coupled to a weighing device 88, which preferably has a weighing cell.
  • the baffle plate 86 is inclined obliquely downwards and ends directly at the head of a Scierelrinne 90, which is inclined in the direction of the filter tow line 8a leading Filterertow Operationssumble obliquely downwards, as Figure 19 reveals.
  • the dosage of the activated carbon granules takes place substantially exclusively with the aid of the metering slide 66. After emerging from the supply shaft 44a falls below the metering slide 66, the activated carbon granules on the baffle plate 86, where using the weighing device 88, the exact weight of the activated carbon granules is determined.
  • FIG. 20 shows a preferred seventeenth embodiment, which differs from the preferred sixteenth embodiment according to Figure 19 in that instead of a baffle plate and a weighing device a metering screw 92 is installed, which ensures a substantially defined feed of activated carbon granules.
  • this embodiment works similarly to the preferred sixteenth embodiment shown in FIG.
  • the activated carbon granules are warped to a substantially constant mass flow and introduced into the filter tow 8a.
  • FIGS. 19 and 20 contain only one feed section 40a, are thus provided only for one filter tow path and therefore only relate to one strand.
  • FIG. 21 shows a further detail of the device 4 in the region of the deflection rollers 30a, 30b and 32a, 32b according to a preferred eighteenth embodiment.
  • the special feature of this embodiment is that the filter tow strips 8a, 8b are deflected from an approximately horizontally oriented and at the same time substantially superimposed arrangement initially via two lower deflection rollers 30a, 30b in an approximately vertically oriented and at the same time divergent orientation.
  • the two lower deflection rollers 30a, 30b which lie in an approximately horizontal direction one behind the other, are inclined relative to one another, as shown in FIG. 21a.
  • the oblique position of the axes of rotation of the two lower deflection rollers 30a, 30b granted such that deflected by these in an approximately vertical direction sections of the two filter tow strips 8a, 8b in an approximately adjacent arrangement of two adjacent upper Umlenkrol- len 32a, 32b end, at which the filter tow strips 8a, 8b are deflected into an approximately horizontally oriented and further adjacent arrangement, and then downstream of these below the metering rollers 52a, 52b sprinkled with activated carbon granules.
  • the upper guide rollers 32a, 32b are mutually correspondingly inclined, in such a way that by the inclination of both the lower guide rollers 30a, 30b and the upper guide rollers 32a, 32b in the filter tow 8a , 8b over the entire width of a substantially uniform tensile stress prevails.
  • the inclination of the two upper guide rollers 32a, 32b can be selected such that the filter tow strips 8a, 8b after deflection by the upper guide rollers 32a, 32b be merged again, as can be seen in particular Figure 21c, without unilateral tensile stresses occur. In this way, further merging of the filter tow paths and thus of the filter tow strips 8a, 8b guided by them is simplified.
  • Figure 22 shows the same portion of the device 4 as Figure 21, but according to a preferred nineteenth embodiment.
  • This embodiment differs from the preferred eighteenth embodiment according to FIG. 21 in that the lower deflecting rollers 30a, 30b located one behind the other in the horizontal direction are not inclined but lie parallel to one another.
  • the filter tow strips 8a, 8b are rotated about their longitudinal axis or be twisted before they are deflected around the upper guide rollers 32a, 32b in an approximately horizontally oriented and at the same time adjacent arrangement.
  • the twist or twist angle is about 90 °.
  • the arrangement of the two juxtaposed upper deflection rollers 32a, 32b is aligned approximately transversely to the lower deflection rollers 30a, 30b. Similar to the preferred eighteenth embodiment according to FIG.
  • the upper deflection rollers 32a, 32b are set slightly inclined in order to bring the filter tow strips 8a, 8b back together somewhat, as FIG. 22c shows, without undesirably one-sided tensile stresses occur. Rather, in this embodiment, the inclination of the upper guide rollers 32a, 32b chosen so that in the filter tow strips 8a, 8b over the entire width of a substantially uniform tensile stress is achieved. Further, by the inclination of the upper guide rollers 32a, 32b further merging of the filter tow strips 8a, 8b simplified. As shown particularly schematically in FIG.
  • the filter towers pass below the metering device 50 past the latter in order to be loaded there with activated charcoal granulate and subsequently each into an inlet finger, wherein in FIG. 22b only the one inlet finger 36a is shown recognizable for the filter tow 8a.
  • Figure 23 shows a preferred twentieth embodiment, in which the process air through a suction pipe 94 at the exit of the inlet finger 36a with Assistance sucked by a blower 96 and passed through another line 98 back into the transport nozzle 34a, in which the filter tow 8a enters.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Cigarettes, Filters, And Manufacturing Of Filters (AREA)

Abstract

La présente invention concerne un dispositif conçu pour traiter au moins deux boudins de filtre (8a, 8b), comprenant au moins deux voies de guidage de filtre de l'industrie du tabac, le long desquelles un boudin de filtre est respectivement guidé, ainsi qu'un dispositif d'alimentation (40) conçu pour alimenter les voies de guidage de filtre en au moins un additif sous forme de granulés ou de poudre afin de l'introduire dans les boudins de filtre. L'invention est caractérisée en ce que le dispositif d'alimentation (40) présente au moins deux sections d'alimentation (40a, 40b), au moins une d'entre elles (40a par ex.) étant associée à une voie de guidage de filtre (8a par ex.), et en ce qu'un dispositif de dosage (50) est utilisé pour doser la quantité de l'additif (70) fourni par le dispositif d'alimentation (40) et pour la distribuer à la voie de guidage de filtre associée.
EP08854235A 2007-11-27 2008-11-15 Dispositif permettant de traiter au moins deux boudins de filtre Withdrawn EP2217100A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102007057396A DE102007057396A1 (de) 2007-11-27 2007-11-27 Vorrichtung zur Bearbeitung von mindestens zwei Filtertowsträngen
PCT/EP2008/009687 WO2009068196A2 (fr) 2007-11-27 2008-11-15 Dispositif permettant de traiter au moins deux boudins de filtre

Publications (1)

Publication Number Publication Date
EP2217100A2 true EP2217100A2 (fr) 2010-08-18

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EP (1) EP2217100A2 (fr)
JP (1) JP5638957B2 (fr)
KR (1) KR101355551B1 (fr)
CN (1) CN101877974B (fr)
DE (1) DE102007057396A1 (fr)
WO (1) WO2009068196A2 (fr)

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DE102010000680A1 (de) * 2010-01-05 2011-07-07 Hauni Maschinenbau AG, 21033 Herstellung von Filtersträngen und Filterstrangmaschine
PL219049B1 (pl) * 2011-05-23 2015-03-31 Int Tobacco Machinery Poland Zespół do przemieszczania segmentów filtrowych
US10064429B2 (en) * 2011-09-23 2018-09-04 R.J. Reynolds Tobacco Company Mixed fiber product for use in the manufacture of cigarette filter elements and related methods, systems, and apparatuses
DE102011085981A1 (de) * 2011-11-09 2014-01-09 Hauni Maschinenbau Ag Filterherstellmaschine der Tabak verarbeitenden Industrie
CN103750559B (zh) * 2014-01-28 2015-12-09 广东中烟工业有限责任公司 一种双加料机加料装置及其制备的二元复合滤嘴
CN104554852B (zh) * 2014-12-31 2017-02-08 山东莱茵科技设备有限公司 全自动艾绒包装机
ITUB20156245A1 (it) * 2015-12-03 2017-06-03 Gd Spa Macchina per la realizzazione di filtri.

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JP5638957B2 (ja) 2014-12-10
CN101877974B (zh) 2014-12-17
KR20100098411A (ko) 2010-09-06
WO2009068196A3 (fr) 2010-03-18
JP2011504731A (ja) 2011-02-17
CN101877974A (zh) 2010-11-03
DE102007057396A1 (de) 2009-05-28
KR101355551B1 (ko) 2014-01-24
WO2009068196A2 (fr) 2009-06-04

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