EP3097795A1 - Method and device for producing a multi-segment filter - Google Patents
Method and device for producing a multi-segment filter Download PDFInfo
- Publication number
- EP3097795A1 EP3097795A1 EP16168277.8A EP16168277A EP3097795A1 EP 3097795 A1 EP3097795 A1 EP 3097795A1 EP 16168277 A EP16168277 A EP 16168277A EP 3097795 A1 EP3097795 A1 EP 3097795A1
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- EP
- European Patent Office
- Prior art keywords
- granules
- outlet
- filling
- gaps
- filter
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims description 13
- 239000008187 granular material Substances 0.000 claims abstract description 154
- 238000004519 manufacturing process Methods 0.000 claims abstract description 5
- 230000033001 locomotion Effects 0.000 claims description 26
- 239000000463 material Substances 0.000 claims description 14
- 241000208125 Nicotiana Species 0.000 claims description 8
- 235000002637 Nicotiana tabacum Nutrition 0.000 claims description 8
- 238000005520 cutting process Methods 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims 1
- 238000001125 extrusion Methods 0.000 claims 1
- 239000008188 pellet Substances 0.000 claims 1
- 238000000926 separation method Methods 0.000 description 6
- 239000011236 particulate material Substances 0.000 description 4
- 230000008021 deposition Effects 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 230000010006 flight Effects 0.000 description 2
- 240000008042 Zea mays Species 0.000 description 1
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 description 1
- 235000002017 Zea mays subsp mays Nutrition 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 239000002775 capsule Substances 0.000 description 1
- 229920002301 cellulose acetate Polymers 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 235000005822 corn Nutrition 0.000 description 1
- 238000005137 deposition process Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
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
Definitions
- the invention relates to a method for producing multi-segment filters of the tobacco-processing industry.
- the invention further relates to a granulate filling device of the tobacco-processing industry with an inlet for filling granules in the Granulatbe colllvorraum and an outlet for dispensing granules in a strand machine of the tobacco processing industry, wherein a suction air connection and / or a compressed air connection is provided, by means of which an air flow is generated, the granules detected by the inlet and transported to the outlet.
- the invention relates to a filter rod machine of the tobacco processing industry with a Granulatbe colllvorraum.
- WO 2013/022360 A2 shows a device by means of which loose substances in vacuum pockets by means of conveyor belts and gripping members or sliding members are introduced.
- EP 1 571 933 B1 shows a method and apparatus for filling multiple cigarette filters at high speed using suction pressure to provide a downward motive force of one of the gravitationally moving supply stream of a particulate material so that cavities are filled with particulate material over a length corresponding to a predetermined feed path of a carrier strip. In this case, cavities between filter elements are filled with a particulate material.
- the known filling methods lead to incompletely filled gaps between the filter segments.
- the granules are conveyed in an air stream and at the outlet of the granulate filling device has a component of movement in the conveying direction of the stream or the strand.
- the displacement of the granules with a movement component in the conveying direction of the stream can be achieved by various measures, which will be described below.
- the movement of air through a mechanical device the movement component is forced in the conveying direction.
- a movement component in the conveying direction can be provided in a very defined manner.
- the mechanical device may also be referred to as Heilstromleitvortechnisch.
- the mechanical device forces the air flow on a curved path, which can result in a very space-saving mechanical device and also a very efficient filling of the gaps with granules.
- a granulate means particulate material such as granules, powders, spheres, small capsules, additives and the like.
- the granules may be activated carbon or from corn.
- the granules are moved along a curved wall of the granulate filling device due to a centrifugal force acting on the granules. In this way, a very efficient dispensing of the granules from the Granulatbe colllvorraum be provided in the gaps.
- the Granulatbe somntex allows separation of the granules of the air flow or provided.
- separation of the granules from the air flow is efficiently possible.
- the granules are delivered tangentially from the Granulatbe sleepllvorraum in the gaps. If the granules are accelerated to a speed in the longitudinal axial direction of movement of 50% to 150% of the speed of the flow, a complete filling of the gaps with granules is possible.
- the speed in the longitudinal axial direction of movement of the granules is between 70% to 130% of the speed of the stream, in particular between 80% to 120% of the speed of the stream and particularly preferably between 90% to 110% of the speed of the stream.
- the speed of the stream is also understood to mean the speed of the strand.
- a granulate filling device of the tobacco-processing industry with an inlet for filling granules in the Granulatbe colllvorraum and an outlet for dispensing granules in a strand machine of the tobacco processing industry, wherein a suction air connection and / or a compressed air connection is provided by means of generating an air flow which detects granules from the inlet and conveys them to the outlet, which is further developed by providing a mechanical device defining at least one conveying channel for the granulate and the air stream which is helical.
- the granule filling device makes it possible to very efficiently and completely fill gaps between filter segments of a stream of filter segments or of a gap-provided strand of filter segments to fill with granules.
- the mechanical device has a delivery channel, which is given for example by a helical groove in a cylinder which is surrounded by a hollow cylinder.
- a helical groove may be provided in a hollow cylinder and an inner cylinder may close off the delivery channel, to the inside.
- the mechanical device can also be defined in the form of a spiral, wherein the spiral is designed, for example, like a twist drill and is arranged in a hollow chamber.
- the granules in the air stream are accelerated so that they are conveyed along an inner wall of the Granulatbe spallvorraum pushed outward along.
- an inner wall of the Granulatbe spallvorraum is provided on which the granules, in particular pushed outward along, is conveyed along.
- the granules are discharged tangentially from the outlet.
- the tangential outlet means, in particular, that the granules are released tangentially from the inner wall.
- the outlet is slot-shaped.
- the slot-shaped outlet is preferably arranged along the longitudinal axis of the granulate filling device and can be aligned coaxially with the longitudinal axis of a stranding machine in order to be able to introduce granules into the stream via the slot-shaped outlet into the gaps arranged between the filter segments. Due to the slit-shaped outlet whose length is preferably adjustable, a very uniform and high filling of the gaps with granules is possible. In particular, then sufficient time remains to be able to fill enough granules in the gaps.
- the granules With the tangential discharge of the granules, the granules thus have a component of movement in the conveying direction of the filter strand or the stream of filter segments, which are provided with gaps, as well as towards the filter strand, preferably down, i. in the direction of gravity.
- a plurality of delivery channels are provided, so that a large amount of granules can be promoted, and very defined.
- the plurality of conveying channels are preferably parallel to one another and in particular preferably coaxial.
- the helical conveying channels are thus arranged coaxially.
- the air stream enriched with granules experiences a plurality of helical revolutions, wherein the air stream with the granules passes by at one or the outlet several times.
- it may also be a single circulation or less than a circulation provided, for example, only a promotion of the granules by 90 °.
- the mechanical device defining the at least one delivery channel is rotatably mounted about a rotation axis.
- the mechanical device may then be rotated, for example by the air flow itself, or a motor device may be provided to generate the rotational movement.
- a filter rod machine of the tobacco-processing industry with a granule filling device which is described above, wherein the outlet of the granulate filling device is arranged above a format device of the filter rod machine, wherein the format device is adapted to a wrapping material strip, are applied to the filter segments, first so as to lay around the filter segments, that an opening remains through which granules can be introduced into gaps between the filter segments, then then the wrapping material strip completely around the to close the formed strand, wherein the filter rod machine also has a cutting device by means of the filter strand is cut to length in the filter.
- Filter segments are understood in the context of the invention, in particular filter segments made of cellulose acetate. However, other filter segments that are substantially dimensionally stable or flexible may also be provided.
- the exit of the granule filling device communicates with the opening of the wrapping material strip.
- the exit of the granule filling device is immediately above the opening of the wrapping material strip.
- the outlet of the granulate filling device and the conveying direction of the filter rod machine are parallel to each other.
- the mechanical device of the granulate filling device preferably forces the granules at the outlet to have a velocity component which is in the conveying direction of the filter rod machine.
- the velocity component is along the conveying direction.
- the mechanical device which defines at least one conveying channel for the granulate and the air stream, which is helical, can be constructed, for example, on the principle of an axial fan.
- the filling area can be modular and varied.
- the granules are conveyed with an air flow, which is introduced, for example, by compressed air into the Granulatbe colllvorraum, and puts the mechanical device in a rotary motion. Due to the rotational movement, the granules collect on the outside of the room, for example a hollow cylinder, which adjoins the mechanical device.
- the mechanical device can be designed as a kind of screw or spiral arranged in a hollow cylinder. About a feed chute or a corresponding output, which is slit-shaped, preferably over the entire range of the mechanical device or the screw or the spiral, the granules gets into the gaps.
- the mechanical device can be actively driven, for example by an external drive via a motor. Due to the centrifugal force generated by the rotation, a separation of the granules from the air flow is achieved. The deposition process can then be controlled by the speed of the motor. The granules are thus separated as in a centrifuge and the air flow continues to move in the direction of the strand and is led out of the system at the end of the device. At the end of the system or the Granulatbe colllvoriques an air flow will flow out, which is more than 90% granulate-free. It can be recycled back into the system, the remaining granules. The airflow can also be returned to the system.
- the rotating mechanical device preferably a distance between the mechanical device and the cylinder wall, in which the mechanical device is arranged, provided, which is at least twice as large as the largest granule element used.
- a standing spiral which is designed in the form of a screw conveyor, may be provided.
- the auger can be fixed be formed and arranged in a corresponding hollow cylinder.
- the mechanical device can be accurately inserted into the hollow cylinder.
- Granules can be introduced into the screw flights on one side of the mechanical device and conveyed by means of compressed air to the end of the screw, or a corresponding air stream can be generated by means of suction air, which is or will be filled with granules.
- a slot is preferably provided in the hollow cylinder, which serves as an outlet for granules.
- the air flow which is filled with granules, imposed a helical movement, whereby a deposition of the granules on the inner wall of the hollow cylinder is possible, so that a substantially complete separation of the air flow is made possible by the granules at the outlet.
- the air flow generated in the screw thread or in the spiral accelerates the granules with respect to a movement component in the strand conveying direction, preferably at the strand speed of the filter rod machine.
- a corresponding filling can be carried out via a vacuum chamber, via which a plurality of channels are provided, into which granules can be sprinkled.
- the vacuum chamber is part of a vacuum tank.
- the channels may be formed as grooves.
- the channels are preferably formed obliquely to the conveying direction of the stranding machine. Particularly preferably, the channels are formed at an angle of 30 ° to 60 °, in particular 45 ° in the conveying direction, so that granules which is accelerated in the channels by suction, at an angle of 30 ° to 60 ° with a component of movement in the conveying direction get on the stream of filter segments with gaps in between.
- the channels are in a 90 ° bend like that diverted that the granules by the centrifugal force tightly packed outwards against the arch wall.
- the air flow is sucked inwards in the direction of the Saugluft instituteers and thus separated from the granules.
- a relatively high kinetic energy is applied to the granules to provide velocity matching to the strand velocity.
- Fig. 1 schematically shows a filter rod machine 10 according to the invention of the tobacco processing industry.
- Filter segments 15 are provided with gaps 20 on a wrapping material strip 11 deflected around a deflecting roller 12.
- the wrapping material strip 11, which is placed on a format strip, not shown, is then guided in the conveying direction 21 by a format device 13, in which the wrapping material strip 11 is first partially wound around the filter segment stream 9, so that an opening remains upwards.
- the wrapping material strip is further deflected in the format device 13 in such a way that a closed filter strand 17 is formed after bonding of an overlapping edge region of the wrapping material strip.
- the filter strand 17 then has, for example, alternately filter elements 15 and filled with granules 16 gaps 20, so that the filter strand acts completely without gaps.
- filters 19 are cut or cut by means of a cutting device.
- a Granulatbe spallvorraum 14 is provided, the input side receives granules 16 via a granule 32 granules and by means of an air flow, which is built in the Granulatbe colllvorraum 14, and at least partially moves in the conveying direction 21, granules accordingly into the gaps 20 gives.
- a slot-shaped outlet 24 is preferably provided in the granulate filling device 14.
- the outlet 24 is not shown here for the sake of clarity.
- the granules 16 thus receives both a movement component in the conveying direction 21 and a downwards in the direction of the gaps 20th
- a first preferred embodiment of a Granulatbe colllvoroplasty invention 14 is shown in a schematic three-dimensional representation.
- suction air or a negative pressure in a suction air space 27 is generated via ten suction air openings 28.
- the suction air space 27 is closed down and to the Saugluftö réelleen 28 with housing walls.
- an intermediate wall 30 is provided, above which conveyor channels 26 are arranged, which are closed at the top over an inner surface 29 of a housing cover 44.
- Granules are introduced at the occasion 22 from above.
- the inlet extends approximately the entire length of the device, as far as channels are provided there. Since there is a negative pressure in the suction air space 27, the negative pressure is drawn through the channels 26, whereby a suction air flow is created and the granules are conveyed from the inlet 22 through the conveying channels 26.
- Fig. 3 which is a schematic sectional drawing through Fig. 2 is shown in more detail.
- the result is an air flow 31, which is enriched with granules and is relatively quickly conveyed through the channel 26 in the direction of the outlet 24.
- the channel 26 is curved towards the end, so that the granules 16 abuts the inner surface 29 of the housing cover 44.
- the air flow 31 is separated from the granules in accordance with the below below the intermediate wall 30 indicated arrow.
- the air used can be reused, preferably via a separator or filter in which granules remaining in the air stream can be filtered out and reused.
- the granules 16 are introduced tangentially from the inner surface 29 of the housing cover 44 into the cavities or gaps between the filter elements, not shown, which move in the format device 13 in the conveying direction.
- FIG. 4 and 5 show another embodiment of a granule filling device 14 according to the invention.
- a fixed screw which in this embodiment has four inlets 22, 22 ', 22 "and 22'". Granules are filled into these inlets.
- Fig. 4 shows a schematic three-dimensional representation of the granules filling device 14 and Fig. 5 a section through this embodiment in a schematic representation.
- Suction air is drawn or a negative pressure is applied via the suction air opening 28 so that a negative pressure is present at the opening 35 through the suction channel 34, so that this negative pressure is transmitted via the screw flights or the helical grooves 33, 33 ', 33 "and 33'.
- “continues, so that at the inlets 22, 22 ', 22" and 22'”negative pressure is applied, so that the granules are sucked by the negative pressure and is entrained with an air stream 31 thus formed.
- a longitudinal axial slot is also provided as the outlet 24, which extends almost the entire length of the mechanical device 23.
- the mechanical device 23 is inserted fairly accurately in the hollow cylindrical housing. It is insofar provided a bore or a hollow cylindrical cavity into which the mechanical device 23 is introduced. This can be perfect, so that between the Outer surfaces of the coils, which separate the grooves 33, 33 ', 33 "and 33'" from each other and the inner surface of the hollow cylinder is no gap.
- the outer wall 36 is closed by a cover 45 to the left side.
- the filled granules can pass through the outlet whenever a corresponding groove 33, 33 ', 33 ", 33'” rests against the outlet 24. That is, the filled granules reach the outlet for the first time after a little less than a 180 ° rotation, and then return there after another 360 °.
- a separation of the granules is achieved by the air flow, that this is guided along by centrifugal force on the inner wall of the hollow cylinder. It may also be provided here a tangential deposition of the granules and discharge via the outlet 24 in an underlying format device.
- Fig. 6 schematically shows a view of a further granulate filling device 14 according to the invention in this embodiment, mechanical devices 23, 23 'are provided, which may for example correspond to such as those in the Fig. 7 and 8th are shown. It is in the embodiment of Fig. 6 Compressed air generated by a pump 39. The compressed air is discharged into a compressed air line 37 and from there into an air flow control device 40. At the beginning of the air flow control device, a metering device is provided which can meter in granules from a granule container 32 via an inlet 22.
- the amount of granules can be adapted to the strand speed and / or the size of the gaps between filter segments.
- the airflow control device 40 can serve to adjust or harmonize the compressed air flow, ie to produce a uniform air flow. It may also already be provided here to impose a helical movement on the generated airflow 31.
- the air stream which is enriched with granules, passes through the mechanical devices 23, 23 ', which are spirally formed, and in these granules are correspondingly mixed with a movement component in the strand direction or in the longitudinal axial direction of the granulate filling device and delivered to the format device 13. Subsequently, the excess compressed air via an air line 38, for example, guided back into the pump 39.
- the mechanical device 23 or 23 ' may be formed as in Fig. 7 shown schematically in three dimensions.
- a helical body in a hollow cylinder defining an inner surface 29 which is circular in section.
- an air flow that is mixed with granules is introduced into the conveying channels 26 defined by the mechanical device 23 and the inner surface 29 of the hollow cylinder.
- the air flow 31 experiences a helical movement with a movement component in the conveying direction of the stranding machine or in the longitudinal axis of the granulate filling device.
- the mechanical device 23 can rotate about a rotation axis 41. This can be done for example by the air flow 31.
- a motor drive is preferred since the degree of separation of the granules 16 from the air flow 31 can be adjusted more easily due to the centrifugal force.
- a slot-shaped opening is provided as an outlet 24 in the lower region of the housing in order to be able to deliver granules there. This is more accurate in Fig. 8 shown.
- a corresponding end cap 45 is provided, through which the compressed air can be removed. It may also be instead of the use of compressed air at the air outlet 42, a negative pressure to be set to produce a corresponding air flow 31.
- Fig. 8 once more clearly shows the outlet 24 through which the granules can be discharged into the format device 13.
- the outer shape of the housing is shown here cuboid. However, the outer shape can also have other designs.
- the outlet is set at about 8:30 clock. There, so at 8:30 clock, begins the tangent of the hollow cylindrical inner surface of the housing 43.
- the tangent of the outlet or begins on the inner surface 29 of the hollow cylinder of the housing 43 between 6 o'clock and 9 o'clock or if the mechanical device 23 in the opposite direction is rotated as shown, between 3 o'clock and 6 o'clock.
- Particularly preferred is an outlet between 7 o'clock and 9 o'clock or 7 o'clock and 8 o'clock or vice versa between 3 o'clock and 5 o'clock, and more preferably between 4 o'clock and 5 o'clock. This is schematic in the FIGS. 9 and 10 shown again in a section.
- a hollow cone can also be used, in which case the mechanical device 23, 23' should be adjusted according to the fit of the hollow cone.
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- Cigarettes, Filters, And Manufacturing Of Filters (AREA)
- Manufacturing Of Cigar And Cigarette Tobacco (AREA)
Abstract
Die Erfindung betrifft ein Verfahren zur Herstellung eines Multisegmentfilters (19) der Tabak verarbeitenden Industrie, eine Granulatbefüllvorrichtung (14) und eine Strangmaschine (10) der Tabak verarbeitenden Industrie. Es werden Lücken (20) zwischen Filtersegmenten (15) mit einem Granulat (16) befüllt, wobei das Granulat (16) zum Befüllen der Lücken (20) durch einen Luftstrom (31) eine Geschwindigkeitskomponente erhält, die in Förderrichtung (21) der Strangmaschine (10) ist.The invention relates to a method for producing a multi-segment filter (19) of the tobacco-processing industry, a granulate filling device (14) and a stranding machine (10) of the tobacco-processing industry. Gaps (20) between filter segments (15) are filled with a granulate (16), wherein the granules (16) for filling the gaps (20) by an air flow (31) receives a velocity component, which in the conveying direction (21) of the strand machine (10).
Description
Die Erfindung betrifft ein Verfahren zum Herstellen von Multisegmentfiltern der Tabak verarbeitenden Industrie. Die Erfindung betrifft ferner eine Granulatbefüllvorrichtung der Tabak verarbeitenden Industrie mit einem Einlass zum Einfüllen von Granulat in die Granulatbefüllvorrichtung und einen Auslass zum Abgeben von Granulat in eine Strangmaschine der Tabak verarbeitenden Industrie, wobei ein Saugluftanschluss und/oder ein Druckluftanschluss vorgesehen ist, mittels dessen ein Luftstrom erzeugt wird, der Granulat von dem Einlass erfasst und zum Auslass befördert. Schließlich betrifft die Erfindung eine Filterstrangmaschine der Tabak verarbeitenden Industrie mit einer Granulatbefüllvorrichtung.The invention relates to a method for producing multi-segment filters of the tobacco-processing industry. The invention further relates to a granulate filling device of the tobacco-processing industry with an inlet for filling granules in the Granulatbefüllvorrichtung and an outlet for dispensing granules in a strand machine of the tobacco processing industry, wherein a suction air connection and / or a compressed air connection is provided, by means of which an air flow is generated, the granules detected by the inlet and transported to the outlet. Finally, the invention relates to a filter rod machine of the tobacco processing industry with a Granulatbefüllvorrichtung.
Insbesondere bei hohen Strangfördergeschwindigkeiten führen die bekannten Befüllverfahren zu nicht vollständig befüllten Lücken zwischen den Filtersegmenten.Particularly at high strand conveying speeds, the known filling methods lead to incompletely filled gaps between the filter segments.
Es ist Aufgabe der vorliegenden Erfindung, eine möglichst vollständige Befüllung der zwischen Filtersegmenten vorgesehenen Lücken im Strangverfahren zu ermöglichen.It is an object of the present invention to allow as complete as possible filling of the gaps provided between filter segments in the strand method.
Gelöst wird diese Aufgabe durch ein Verfahren zum Herstellen von Multisegmentfiltern der Tabak verarbeitenden Industrie, mit den folgenden Verfahrensschritten:
- Zurverfügungstellen eines Stroms von Filtersegmenten, die auf einem Umhüllungsmaterialstreifen aufgelegt sind, wobei zwischen den Filtersegmenten Lücken vorgesehen sind,
- Fördern des Stroms in einer längsaxialen Förderrichtung,
- Befüllen der Lücken mit einem Granulat, wobei das Befüllen der Lücken mit dem Granulat mittels eines mit Granulat angereicherten Luftstroms geschieht, wobei der mit Granulat angereicherte Luftstrom in einer Granulatbefüllvorrichtung wenigstens eine Bewegungskomponente in Förderrichtung des Stroms hat.
- Providing a stream of filter segments placed on a wrapping material strip with gaps between the filter segments,
- Conveying the stream in a longitudinal axial conveying direction,
- Filling the gaps with a granulate, wherein the filling of the gaps with the granules by means of a granular enriched air stream, wherein the granular enriched air stream has in a Granulatbefüllvorrichtung at least one component of movement in the conveying direction of the stream.
Durch das Versetzen des Granulats mit einer Bewegungskomponente in Förderrichtung des Stroms wird eine gleichmäßigere Befüllung der Lücken ermöglicht. Das Granulat wird hierbei in einem Luftstrom gefördert und hat am Ausgang der Granulatbefüllvorrichtung eine Bewegungskomponente in Förderrichtung des Stroms bzw. des Strangs. Das Versetzen des Granulats mit einer Bewegungskomponente in Förderrichtung des Stroms kann durch verschiedene Maßnahmen, die nachstehend noch beschrieben werden, erzielt werden.By placing the granules with a movement component in the conveying direction of the flow, a more uniform filling of the gaps is made possible. The granules are conveyed in an air stream and at the outlet of the granulate filling device has a component of movement in the conveying direction of the stream or the strand. The displacement of the granules with a movement component in the conveying direction of the stream can be achieved by various measures, which will be described below.
Vorzugsweise wird dem Luftstrom über eine mechanische Vorrichtung die Bewegungskomponente in Förderrichtung aufgezwungen. Hierdurch kann sehr definiert eine Bewegungskomponente in Förderrichtung vorgesehen werden.Preferably, the movement of air through a mechanical device, the movement component is forced in the conveying direction. In this way, a movement component in the conveying direction can be provided in a very defined manner.
Die mechanische Vorrichtung kann auch als Luftstromleitvorrichtung bezeichnet werden.The mechanical device may also be referred to as Luftstromleitvorrichtung.
Vorzugsweise zwingt die mechanische Vorrichtung dem Luftstrom eine gekrümmte Bahn auf, wodurch sich eine sehr platzsparende mechanische Vorrichtung ergeben kann und zudem eine sehr effiziente Befüllung der Lücken mit Granulat.Preferably, the mechanical device forces the air flow on a curved path, which can result in a very space-saving mechanical device and also a very efficient filling of the gaps with granules.
Im Rahmen der Erfindung ist unter einem Granulat teilchenförmiges Material wie Granulat, Pulver, Kugeln, kleine Kapseln, Additive und dergleichen zu verstehen. Beispielsweise kann das Granulat aus Aktivkohle sein oder aus Mais.In the context of the invention, a granulate means particulate material such as granules, powders, spheres, small capsules, additives and the like. For example, the granules may be activated carbon or from corn.
Besonders bevorzugt ist es, wenn das Granulat aufgrund einer auf das Granulat wirkenden Zentrifugalkraft an einer gekrümmten Wand der Granulatbefüllvorrichtung entlang bewegt wird. Hierdurch kann ein sehr effizientes Abgeben des Granulats aus der Granulatbefüllvorrichtung in die Lücken vorgesehen sein.It is particularly preferred if the granules are moved along a curved wall of the granulate filling device due to a centrifugal force acting on the granules. In this way, a very efficient dispensing of the granules from the Granulatbefüllvorrichtung be provided in the gaps.
Wenn ausgangsseitig der Granulatbefüllvorrichtung das Granulat, insbesondere vor dem Befüllen der Lücken mit Granulat, von dem Luftstrom getrennt wird, ist eine sehr effiziente Befüllung der Lücken möglich. Hierbei wird insbesondere kurz vor der Abgabe des Granulats aus dem Auslass der Granulatbefüllvorrichtung eine Trennung des Granulats von dem Luftstrom ermöglicht oder vorgesehen. Insbesondere durch das Vorsehen einer gekrümmten Bahn und einer ausreichend hohen Zentrifugalkraft, die auf das Granulat wirkt, so dass dieses an einer gekrümmten Wandung der Granulatbefüllvorrichtung entlang bewegt wird, ist ein Trennen des Granulats von dem Luftstrom effizient möglich.If, on the output side of the granulate filling device, the granules, in particular before filling the gaps with granules, are separated from the air stream, a very efficient filling of the gaps is possible. This is in particular shortly before the delivery of the granules from the outlet the Granulatbefüllvorrichtung allows separation of the granules of the air flow or provided. In particular, by providing a curved path and a sufficiently high centrifugal force acting on the granules to move along a curved wall of the granule filling device, separation of the granules from the air flow is efficiently possible.
Vorzugsweise wird das Granulat tangential aus der Granulatbefüllvorrichtung in die Lücken abgegeben. Wenn das Granulat auf eine Geschwindigkeit in längsaxialer Bewegungsrichtung von 50 % bis 150 % der Geschwindigkeit des Stroms beschleunigt wird, ist eine vollständige Befüllung der Lücken mit Granulat möglich.Preferably, the granules are delivered tangentially from the Granulatbefüllvorrichtung in the gaps. If the granules are accelerated to a speed in the longitudinal axial direction of movement of 50% to 150% of the speed of the flow, a complete filling of the gaps with granules is possible.
Vorzugsweise beträgt die Geschwindigkeit in längsaxialer Bewegungsrichtung des Granulats zwischen 70 % bis 130 % der Geschwindigkeit des Stroms, insbesondere zwischen 80 % bis 120 % der Geschwindigkeit des Stroms und besonders bevorzugt zwischen 90 % bis 110 % der Geschwindigkeit des Stroms. Unter der Geschwindigkeit des Stroms wird auch die Geschwindigkeit des Strangs verstanden.Preferably, the speed in the longitudinal axial direction of movement of the granules is between 70% to 130% of the speed of the stream, in particular between 80% to 120% of the speed of the stream and particularly preferably between 90% to 110% of the speed of the stream. The speed of the stream is also understood to mean the speed of the strand.
Die Aufgabe wird ferner durch eine Granulatbefüllvorrichtung der Tabak verarbeitenden Industrie mit einem Einlass zum Einfüllen von Granulat in die Granulatbefüllvorrichtung und einem Auslass zum Abgeben von Granulat in eine Strangmaschine der Tabak verarbeitenden Industrie gelöst, wobei ein Saugluftanschluss und/oder ein Druckluftanschluss vorgesehen ist, mittels dessen ein Luftstrom erzeugt wird, der Granulat von dem Einlass erfasst und zum Auslass befördert, die dadurch weitergebildet ist, dass eine mechanische Vorrichtung vorgesehen ist, die wenigstens einen Förderkanal für das Granulat und den Luftstrom definiert, der schraubenförmig ist.The object is further achieved by a granulate filling device of the tobacco-processing industry with an inlet for filling granules in the Granulatbefüllvorrichtung and an outlet for dispensing granules in a strand machine of the tobacco processing industry, wherein a suction air connection and / or a compressed air connection is provided by means of generating an air flow which detects granules from the inlet and conveys them to the outlet, which is further developed by providing a mechanical device defining at least one conveying channel for the granulate and the air stream which is helical.
Durch die erfindungsgemäße Granulatbefüllvorrichtung ist es möglich, sehr effizient und vollständig Lücken zwischen Filtersegmenten eines Stroms von Filtersegmenten bzw. eines mit Lücken versehenen Strangs von Filtersegmenten mit Granulat zu befüllen.The granule filling device according to the invention makes it possible to very efficiently and completely fill gaps between filter segments of a stream of filter segments or of a gap-provided strand of filter segments to fill with granules.
Im Rahmen der Erfindung ist unter schraubenförmig auch wendelförmig oder spiralförmig zu verstehen. Die mechanische Vorrichtung weist einen Förderkanal auf, der beispielsweise durch eine schraubenförmige Nut in einem Zylinder gegeben ist, der von einem Hohlzylinder umgeben ist. Alternativ kann in einem Hohlzylinder eine schraubenförmige Nut vorgesehen sein und ein innenliegender Zylinder den Förderkanal abschließen, und zwar nach innen hin. Die mechanische Vorrichtung kann auch in Form einer Spirale definiert sein, wobei die Spirale beispielsweise wie ein Spiralbohrer ausgebildet ist und in einer Hohlkammer angeordnet ist.In the context of the invention is helically also helical or spiral to understand. The mechanical device has a delivery channel, which is given for example by a helical groove in a cylinder which is surrounded by a hollow cylinder. Alternatively, a helical groove may be provided in a hollow cylinder and an inner cylinder may close off the delivery channel, to the inside. The mechanical device can also be defined in the form of a spiral, wherein the spiral is designed, for example, like a twist drill and is arranged in a hollow chamber.
Vorzugsweise wird das Granulat in dem Luftstrom so beschleunigt, dass es an einer Innenwand der Granulatbefüllvorrichtung nach außen gedrückt entlang gefördert wird.Preferably, the granules in the air stream are accelerated so that they are conveyed along an inner wall of the Granulatbefüllvorrichtung pushed outward along.
Vorzugsweise ist eine Innenwand der Granulatbefüllvorrichtung vorgesehen, an der das Granulat, insbesondere nach außen gedrückt, entlang gefördert wird.Preferably, an inner wall of the Granulatbefüllvorrichtung is provided on which the granules, in particular pushed outward along, is conveyed along.
Vorzugsweise wird das Granulat tangential aus dem Auslass ausgelassen. Der tangentiale Auslass bedeutet insbesondere, dass das Granulat tangential von der Innenwand abgegeben wird.Preferably, the granules are discharged tangentially from the outlet. The tangential outlet means, in particular, that the granules are released tangentially from the inner wall.
Besonders bevorzugt ist es, wenn der Auslass schlitzförmig ist. Der schlitzförmige Auslass ist vorzugsweise entlang der Längsachse der Granulatbefüllvorrichtung angeordnet und kann bzw. wird koaxial mit der Längsachse einer Strangmaschine ausgerichtet, um über den schlitzförmigen Auslass Granulat in den Strom in die zwischen den Filtersegmenten angeordneten Lücken einbringen zu können. Durch den schlitzförmigen Auslass, dessen Länge vorzugsweise einstellbar ist, ist eine sehr gleichmäßige und hohe Befüllung der Lücken mit Granulat möglich. Insbesondere verbleibt dann ausreichend Zeit, ausreichend viel Granulat in die Lücken füllen zu können.It is particularly preferred if the outlet is slot-shaped. The slot-shaped outlet is preferably arranged along the longitudinal axis of the granulate filling device and can be aligned coaxially with the longitudinal axis of a stranding machine in order to be able to introduce granules into the stream via the slot-shaped outlet into the gaps arranged between the filter segments. Due to the slit-shaped outlet whose length is preferably adjustable, a very uniform and high filling of the gaps with granules is possible. In particular, then sufficient time remains to be able to fill enough granules in the gaps.
Bei dem tangentialen Auslassen des Granulats hat das Granulat somit eine Bewegungskomponente in Förderrichtung des Filterstrangs bzw. des Stroms aus Filtersegmenten, die mit Lücken versehen sind, sowie in Richtung zu dem Filterstrang hin, bevorzugt nach unten, d.h. in Richtung der Gravitation.With the tangential discharge of the granules, the granules thus have a component of movement in the conveying direction of the filter strand or the stream of filter segments, which are provided with gaps, as well as towards the filter strand, preferably down, i. in the direction of gravity.
Vorzugsweise sind mehrere Förderkanäle vorgesehen, so dass eine große Menge an Granulat gefördert werden kann, und zwar sehr definiert.Preferably, a plurality of delivery channels are provided, so that a large amount of granules can be promoted, and very defined.
Die mehreren Förderkanäle sind vorzugsweise parallel zueinander und insbesondere vorzugsweise koaxial. Die schraubenförmigen Förderkanäle sind somit entsprechend koaxial angeordnet. Es kann hierbei vorgesehen sein, dass der mit Granulat angereicherte Luftstrom mehrere schraubenförmige Umläufe erfährt, wobei mehrfach der Luftstrom mit dem Granulat an einem oder dem Auslass vorbeikommt. Es kann allerdings auch ein einziger Umlauf oder weniger als ein Umlauf vorgesehen sein, beispielsweise lediglich eine Förderung des Granulats um 90°.The plurality of conveying channels are preferably parallel to one another and in particular preferably coaxial. The helical conveying channels are thus arranged coaxially. In this case, it may be provided that the air stream enriched with granules experiences a plurality of helical revolutions, wherein the air stream with the granules passes by at one or the outlet several times. However, it may also be a single circulation or less than a circulation provided, for example, only a promotion of the granules by 90 °.
Vorzugsweise ist die mechanische Vorrichtung, die den wenigstens einen Förderkanal definiert, um eine Drehachse drehbar gelagert. Die mechanische Vorrichtung kann dann beispielsweise durch den Luftstrom selbst in eine Rotation versetzt werden oder es kann eine motorische Vorrichtung vorgesehen sein, um die Rotationsbewegung zu erzeugen.Preferably, the mechanical device defining the at least one delivery channel is rotatably mounted about a rotation axis. The mechanical device may then be rotated, for example by the air flow itself, or a motor device may be provided to generate the rotational movement.
Die Aufgabe wird ferner gelöst durch eine Filterstrangmaschine der Tabak verarbeitenden Industrie mit einer Granulatbefüllvorrichtung, die vorstehend beschrieben ist, wobei der Auslass der Granulatbefüllvorrichtung oberhalb einer Formatvorrichtung der Filterstrangmaschine angeordnet ist, wobei die Formatvorrichtung dazu ausgebildet ist, einen Umhüllungsmaterialstreifen, auf dem Filtersegmente aufgebracht sind, zunächst so um die Filtersegmente zu legen, dass eine Öffnung verbleibt, durch die Granulat in Lücken zwischen den Filtersegmenten einbringbar ist, um dann anschließend den Umhüllungsmaterialstreifen vollständig um den gebildeten Strang zu schließen, wobei die Filterstrangmaschine außerdem eine Ablängvorrichtung aufweist, mittels der der Filterstrang in Filter ablängbar ist.The object is further achieved by a filter rod machine of the tobacco-processing industry with a granule filling device, which is described above, wherein the outlet of the granulate filling device is arranged above a format device of the filter rod machine, wherein the format device is adapted to a wrapping material strip, are applied to the filter segments, first so as to lay around the filter segments, that an opening remains through which granules can be introduced into gaps between the filter segments, then then the wrapping material strip completely around the to close the formed strand, wherein the filter rod machine also has a cutting device by means of the filter strand is cut to length in the filter.
Durch die erfindungsgemäße Filterstrangmaschine ist eine sehr effiziente Herstellung eines Multisegmentfilterstrangs mit Filtersegmenten und Granulatbefüllung zwischen den Filtersegmenten möglich. Unter Filtersegmenten werden im Rahmen der Erfindung insbesondere Filtersegmente aus Celluloseacetat verstanden. Es können allerdings auch andere Filtersegmente, die im Wesentlichen formstabil oder flexibel sind, vorgesehen sein.By the filter rod machine according to the invention a very efficient production of a multi-segment filter strand with filter segments and granule filling between the filter segments is possible. Filter segments are understood in the context of the invention, in particular filter segments made of cellulose acetate. However, other filter segments that are substantially dimensionally stable or flexible may also be provided.
Vorzugsweise kommuniziert der Ausgang der Granulatbefüllvorrichtung mit der Öffnung des Umhüllungsmaterialstreifens. Vorzugsweise liegt der Ausgang der Granulatbefüllvorrichtung unmittelbar oberhalb der Öffnung des Umhüllungsmaterialstreifens.Preferably, the exit of the granule filling device communicates with the opening of the wrapping material strip. Preferably, the exit of the granule filling device is immediately above the opening of the wrapping material strip.
Vorzugsweise sind der Auslass der Granulatbefüllvorrichtung und die Förderrichtung der Filterstrangmaschine parallel zueinander. Vorzugsweise zwingt die mechanische Vorrichtung der Granulatbefüllvorrichtung dem Granulat beim Auslass eine Geschwindigkeitskomponente auf, die in Förderrichtung der Filterstrangmaschine ist. Vorzugsweise ist die Geschwindigkeitskomponente längs der Förderrichtung.Preferably, the outlet of the granulate filling device and the conveying direction of the filter rod machine are parallel to each other. The mechanical device of the granulate filling device preferably forces the granules at the outlet to have a velocity component which is in the conveying direction of the filter rod machine. Preferably, the velocity component is along the conveying direction.
Die mechanische Vorrichtung, die wenigstens einen Förderkanal für das Granulat und den Luftstrom definiert, der schraubenförmig ist, kann beispielsweise nach dem Prinzip eines Axialventilators aufgebaut sein.The mechanical device, which defines at least one conveying channel for the granulate and the air stream, which is helical, can be constructed, for example, on the principle of an axial fan.
Es wird von einem Magazin oder einem Bevorratungsbehälter für Granulat das Granulat über eine steuerbare Öffnung einem Luftstrom zugeführt. Mittels der Öffnung kann die Menge an Granulat in Abhängigkeit von der Stranggeschwindigkeit, und damit der Anzahl der zu befüllenden Lücken, eingestellt werden. Der Befüllbereich kann modular aufgebaut und variiert werden.It is fed from a magazine or a storage container for granules, the granules via a controllable opening an air flow. By means of the opening, the amount of granules depending on the strand speed, and thus the number of gaps to be filled, can be adjusted. The filling area can be modular and varied.
Das Granulat wird mit einer Luftströmung, die beispielsweise durch Druckluft in die Granulatbefüllvorrichtung eingebracht wird, gefördert und versetzt die mechanische Vorrichtung in eine Rotationsbewegung. Aufgrund der Rotationsbewegung sammelt sich das Granulat an der Außenseite des Raumes, beispielsweise eines Hohlzylinders, der an die mechanische Vorrichtung angrenzt. Die mechanische Vorrichtung kann insofern als eine Art Schraube oder Spirale in einem Hohlzylinder angeordnet ausgebildet sein. Über einen Zuführschacht bzw. einen entsprechenden Ausgang, der schlitzförmig ausgebildet ist, und zwar vorzugsweise über den gesamten Bereich der mechanischen Vorrichtung bzw. der Schraube oder der Spirale, gelangt das Granulat in die Lücken.The granules are conveyed with an air flow, which is introduced, for example, by compressed air into the Granulatbefüllvorrichtung, and puts the mechanical device in a rotary motion. Due to the rotational movement, the granules collect on the outside of the room, for example a hollow cylinder, which adjoins the mechanical device. The mechanical device can be designed as a kind of screw or spiral arranged in a hollow cylinder. About a feed chute or a corresponding output, which is slit-shaped, preferably over the entire range of the mechanical device or the screw or the spiral, the granules gets into the gaps.
Alternativ kann die mechanische Vorrichtung aktiv angetrieben werden, beispielsweise durch einen externen Antrieb über einen Motor. Aufgrund der durch die Rotation erzeugten Zentrifugalkraft wird eine Abscheidung des Granulats von dem Luftstrom erzielt. Der Abscheidevorgang kann dann gesteuert werden durch die Drehzahl des Motors. Das Granulat scheidet sich somit wie in einer Zentrifuge ab und der Luftstrom bewegt sich in Strangrichtung weiter und wird am Ende der Vorrichtung wieder aus dem System geleitet. Am Ende des Systems bzw. der Granulatbefüllvorrichtung wird ein Luftstrom ausströmen, der zu über 90 % granulatfrei ist. Es kann das restliche Granulat wieder in das System zurückgeführt werden. Auch der Luftstrom kann in das System zurückgeführt werden.Alternatively, the mechanical device can be actively driven, for example by an external drive via a motor. Due to the centrifugal force generated by the rotation, a separation of the granules from the air flow is achieved. The deposition process can then be controlled by the speed of the motor. The granules are thus separated as in a centrifuge and the air flow continues to move in the direction of the strand and is led out of the system at the end of the device. At the end of the system or the Granulatbefüllvorrichtung an air flow will flow out, which is more than 90% granulate-free. It can be recycled back into the system, the remaining granules. The airflow can also be returned to the system.
Es ist bei der Variante der rotierenden mechanischen Vorrichtung vorzugsweise ein Abstand zwischen der mechanischen Vorrichtung und der Zylinderwandung, in der die mechanische Vorrichtung angeordnet ist, vorgesehen, der wenigstens zweimal so groß ist wie das größte verwendete Granulatelement.It is in the variant of the rotating mechanical device preferably a distance between the mechanical device and the cylinder wall, in which the mechanical device is arranged, provided, which is at least twice as large as the largest granule element used.
Alternativ kann eine stehende Spirale, die in Form einer Förderschnecke ausgebildet ist, vorgesehen sein. Die Förderschnecke kann feststehend ausgebildet sein und in einem entsprechenden Hohlzylinder angeordnet sein. Für diesen Fall kann die mechanische Vorrichtung passgenau in den Hohlzylinder eingebracht sein. Es kann Granulat in die Schneckengänge auf der einen Seite der mechanischen Vorrichtung eingebracht werden und mittels Druckluft zum Ende der Schnecke hin gefördert werden oder aber mittels Saugluft entsprechend ein Luftstrom erzeugt werden, der mit Granulat befüllt ist oder wird. Unterhalb der Schnecke ist in dem Hohlzylinder vorzugsweise ein Schlitz vorgesehen, der als Auslass für Granulat dient. Auch in diesem Fall wird dem Luftstrom, der mit Granulat befüllt ist, eine schraubenförmige Bewegung aufgezwungen, wodurch eine Abscheidung des Granulats an der Innenwand des Hohlzylinders ermöglich ist, so dass eine im Wesentlichen vollständige Trennung des Luftstroms von dem Granulat beim Auslass ermöglicht ist.Alternatively, a standing spiral, which is designed in the form of a screw conveyor, may be provided. The auger can be fixed be formed and arranged in a corresponding hollow cylinder. For this case, the mechanical device can be accurately inserted into the hollow cylinder. Granules can be introduced into the screw flights on one side of the mechanical device and conveyed by means of compressed air to the end of the screw, or a corresponding air stream can be generated by means of suction air, which is or will be filled with granules. Below the screw, a slot is preferably provided in the hollow cylinder, which serves as an outlet for granules. Also in this case, the air flow, which is filled with granules, imposed a helical movement, whereby a deposition of the granules on the inner wall of the hollow cylinder is possible, so that a substantially complete separation of the air flow is made possible by the granules at the outlet.
Der Luftstrom, der in dem Schneckengewinde bzw. in der Spirale erzeugt wird, beschleunigt das Granulat im Hinblick auf eine Bewegungskomponente in Strangförderrichtung auf vorzugsweise Stranggeschwindigkeit der Filterstrangmaschine. Es findet vorzugsweise ein tangentiales Abscheiden zwischen 6 Uhr und 9 Uhr, besonders vorzugsweise zwischen 7 Uhr und 9 Uhr, statt oder, wenn die Nuten der Spirale bzw. die Schraube andersherum ausgebildet wird, zwischen 3 Uhr und 6 Uhr, besonders bevorzugt zwischen 3 Uhr und 5 Uhr.The air flow generated in the screw thread or in the spiral accelerates the granules with respect to a movement component in the strand conveying direction, preferably at the strand speed of the filter rod machine. There is preferably a tangential deposition between 6 o'clock and 9 o'clock, more preferably between 7 o'clock and 9 o'clock, or, if the grooves of the spiral or the screw is formed the other way round, between 3 o'clock and 6 o'clock, more preferably between 3 o'clock and 5 o'clock.
Alternativ kann über einen Unterdruckraum, über dem mehrere Kanäle vorgesehen sind, in die Granulat eingestreut werden kann, eine entsprechende Befüllung vorgenommen werden. Der Unterdruckraum ist Bestandteil eines Unterdruckbehälters. Die Kanäle können als Nuten ausgebildet sein. Die Kanäle sind vorzugsweise schräg zur Förderrichtung der Strangmaschine ausgebildet. Insbesondere vorzugsweise sind die Kanäle in einem Winkel von 30° bis 60°, insbesondere von 45° in Förderrichtung ausgebildet, so dass Granulat, das in den Kanälen durch Saugluft beschleunigt wird, in einem Winkel von 30° bis 60° mit einer Bewegungskomponente in Förderrichtung auf den Strom aus Filtersegmenten mit Lücken dazwischen gelangt. Die Kanäle werden in einem 90°-Bogen so umgeleitet, dass sich das Granulat durch die Zentrifugalkraft dicht gepackt nach außen an die Bogenwandung anlegt. Der Luftstrom wird nach innen in Richtung des Saugluftbehälters abgesaugt und damit von dem Granulat getrennt. Es wird vorzugsweise eine relativ hohe kinetische Energie auf das Granulat gebracht, um eine Geschwindigkeitsangleichung zur Stranggeschwindigkeit vorzusehen.Alternatively, a corresponding filling can be carried out via a vacuum chamber, via which a plurality of channels are provided, into which granules can be sprinkled. The vacuum chamber is part of a vacuum tank. The channels may be formed as grooves. The channels are preferably formed obliquely to the conveying direction of the stranding machine. Particularly preferably, the channels are formed at an angle of 30 ° to 60 °, in particular 45 ° in the conveying direction, so that granules which is accelerated in the channels by suction, at an angle of 30 ° to 60 ° with a component of movement in the conveying direction get on the stream of filter segments with gaps in between. The channels are in a 90 ° bend like that diverted that the granules by the centrifugal force tightly packed outwards against the arch wall. The air flow is sucked inwards in the direction of the Saugluftbehälters and thus separated from the granules. Preferably, a relatively high kinetic energy is applied to the granules to provide velocity matching to the strand velocity.
Weitere Merkmale der Erfindung werden aus der Beschreibung erfindungsgemäßer Ausführungsformen zusammen mit den Ansprüchen und den beigefügten Zeichnungen ersichtlich. Erfindungsgemäße Ausführungsformen können einzelne Merkmale oder eine Kombination mehrerer Merkmale erfüllen.Further features of the invention will become apparent from the description of embodiments according to the invention together with the claims and the accompanying drawings. Embodiments of the invention may satisfy individual features or a combination of several features.
Die Erfindung wird nachstehend ohne Beschränkung des allgemeinen Erfindungsgedankens anhand von Ausführungsbeispielen unter Bezugnahme auf die Zeichnungen beschrieben, wobei bezüglich aller im Text nicht näher erläuterten erfindungsgemäßen Einzelheiten ausdrücklich auf die Zeichnungen verwiesen wird. Es zeigen:
- Fig. 1
- eine schematische Ansicht einer erfindungsgemäßen Filterstrangmaschine,
- Fig. 2
- eine schematische Ansicht einer erfindungsgemäßen Granulatbefüllvorrichtung,
- Fig. 3
- eine schematische Schnittdarstellung einer erfindungsgemäßen Granulatbefüllvorrichtung mit einer Formatvorrichtung einer Strangmaschine,
- Fig. 4
- eine schematische dreidimensionale Darstellung einer erfindungsgemäßen Granulatbefüllvorrichtung in einer anderen Ausführungsform,
- Fig. 5
- eine schematische Schnittdarstellung aus
Fig. 4 , - Fig. 6
- eine schematische Darstellung einer erfindungsgemäßen weiteren Granulatbefüllvorrichtung mit einer Formatvorrichtung einer Strangmaschine,
- Fig. 7
- eine schematische dreidimensionale Darstellung eines Moduls einer erfindungsgemäßen Granulatbefüllvorrichtung,
- Fig. 8
- einen Teil der erfindungsgemäßen Granulatbefüllvorrichtung gemäß
Fig. 7 in einer genaueren Darstellung, - Fig. 9
- eine schematische Darstellung eines Auslasses aus einer Granulatbefüllvorrichtung und
- Fig. 10
- eine schematische Darstellung einer anderen Form des Auslasses einer Granulatbefüllvorrichtung.
- Fig. 1
- a schematic view of a filter rod machine according to the invention,
- Fig. 2
- a schematic view of a Granulatbefüllvorrichtung invention,
- Fig. 3
- FIG. 2 a schematic sectional view of a granulate filling device according to the invention with a format device of a stranding machine, FIG.
- Fig. 4
- 3 shows a schematic three-dimensional representation of a granule filling device according to the invention in another embodiment,
- Fig. 5
- a schematic sectional view of
Fig. 4 . - Fig. 6
- a schematic representation of a further Granulatbefüllvorrichtung invention with a formatting device of a stranding machine,
- Fig. 7
- a schematic three-dimensional representation of a module of a Granulatbefüllvorrichtung invention,
- Fig. 8
- a part of the Granulatbefüllvorrichtung invention according to
Fig. 7 in a more detailed representation, - Fig. 9
- a schematic representation of an outlet from a Granulatbefüllvorrichtung and
- Fig. 10
- a schematic representation of another form of the outlet of a Granulatbefüllvorrichtung.
In den Zeichnungen sind jeweils gleiche oder gleichartige Elemente und/oder Teile mit denselben Bezugsziffern versehen, so dass von einer erneuten Vorstellung jeweils abgesehen wird.In the drawings, the same or similar elements and / or parts are provided with the same reference numerals, so that apart from a new idea each.
Aus dem Filterstrang werden mittels einer Ablängvorrichtung 18 Filter 19 abgelängt bzw. abgeschnitten.From the
Um Granulat in die Lücken 20 zu füllen, ist eine Granulatbefüllvorrichtung 14 vorgesehen, die eingangsseitig über einen Granulatbehälter 32 Granulat 16 zugeführt bekommt und mittels eines Luftstromes, der in der Granulatbefüllvorrichtung 14 aufgebaut wird, und der sich wenigstens teilweise in Förderrichtung 21 bewegt, Granulat entsprechend in die Lücken 20 abgibt. Hierzu ist vorzugsweise ein schlitzförmiger Auslass 24 in der Granulatbefüllvorrichtung 14 vorgesehen. Der Auslass 24 ist hier allerdings der Übersichtlichkeit halber nicht dargestellt. Das Granulat 16 erhält somit sowohl eine Bewegungskomponente in Förderrichtung 21 als auch eine nach unten in Richtung der Lücken 20.To fill granules in the
In
Granulat wird beim Anlass 22 von oben eingebracht. Der Einlass erstreckt sich annähernd über die gesamte Länge der Vorrichtung, soweit dort Kanäle vorgesehen sind. Da in dem Saugluftraum 27 ein Unterdruck herrscht, zieht sich der Unterdruck durch die Kanäle 26, wodurch ein Saugluftstrom entsteht und das Granulat vom Einlass 22 durch die Förderkanäle 26 gefördert wird. Dieses ist in
Es entsteht so ein Luftstrom 31, der mit Granulat angereichert ist und relativ schnell durch den Kanal 26 in Richtung zum Auslass 24 gefördert wird. Der Kanal 26 ist zum Ende hin gekrümmt, so dass das Granulat 16 an der Innenfläche 29 des Gehäusedeckels 44 anliegt. Der Luftstrom 31 wird von dem Granulat entsprechend dem unten unterhalb der Zwischenwand 30 angedeuteten Pfeil getrennt. Außerdem kann die verwendete Luft wiederverwendet werden, vorzugsweise über einen Abscheider oder Filter, in dem im Luftstrom verbleibendes Granulat ausgefiltert werden kann und wiederverwendet werden kann. Das Granulat 16 wird tangential von der Innenfläche 29 des Gehäusedeckels 44 in die Kavitäten bzw. Lücken zwischen den nicht dargestellten Filterelementen, die in der Formatvorrichtung 13 sich in Förderrichtung bewegen, eingebracht.The result is an
Es ist ferner ein längsaxialer Schlitz als Auslass 24 vorgesehen, der sich fast über die gesamte Länge der mechanischen Vorrichtung 23 erstreckt. Die mechanische Vorrichtung 23 ist ziemlich genau in das hohlzylindrische Gehäuse eingebracht. Es ist insofern eine Bohrung bzw. eine hohlzylinderförmige Kavität vorgesehen, in die die mechanische Vorrichtung 23 eingebracht ist. Diese kann passgenau sein, so dass zwischen den Außenflächen der Wendeln, die die Nuten 33, 33', 33" und 33'" voneinander trennen und der Innenfläche des Hohlzylinders keine Lücke ist. In
Das eingefüllte Granulat kann durch den Auslass immer dann gelangen, wenn eine entsprechende Nut 33, 33', 33", 33'" an dem Auslass 24 anliegt. Das heißt, das eingefüllte Granulat gelangt das erste Mal nach etwas weniger als einer 180°-Rotationsbewegung zum Auslass, um dann nach weiteren 360° wieder dorthin zu gelangen.The filled granules can pass through the outlet whenever a corresponding
Auch hier wird durch den Luftstrom eine Separierung des Granulats dadurch erzielt, dass dieses durch Zentrifugalkraft an der Innenwandung des Hohlzylinders entlanggeführt wird. Es kann auch hier eine tangentiale Abscheidung des Granulats und Abgabe über den Auslass 24 in eine darunterliegende Formatvorrichtung vorgesehen sein.Here, too, a separation of the granules is achieved by the air flow, that this is guided along by centrifugal force on the inner wall of the hollow cylinder. It may also be provided here a tangential deposition of the granules and discharge via the
Zudem kann die Luftstromsteuervorrichtung 40 dazu dienen, den Druckluftstrom einzustellen bzw. zu harmonisieren, d.h. einen gleichmäßigen Luftstrom zu erzeugen. Es kann auch hier schon vorgesehen sein, eine schraubenförmige Bewegung dem erzeugten Luftstrom 31 aufzuzwingen. Der Luftstrom, der mit Granulat angereichert ist, durchläuft die mechanischen Vorrichtungen 23, 23', die spiralförmig ausgebildet sind, und in diesen wird entsprechend Granulat mit einer Bewegungskomponente in Strangrichtung bzw. in längsaxialer Richtung der Granulatbefüllvorrichtung versetzt und an die Formatvorrichtung 13 abgegeben. Anschließend wird die überschüssige Druckluft über eine Luftleitung 38, beispielsweise zurück in die Pumpe 39 geführt.In addition, the
Die mechanische Vorrichtung 23 bzw. 23' kann ausgebildet sein wie in
Die Außenform des Gehäuses ist hier quaderförmig dargestellt. Die Außenform kann allerdings auch andere Gestaltungen haben.The outer shape of the housing is shown here cuboid. However, the outer shape can also have other designs.
In
Dort ist in
Obwohl im Rahmen der erfindungsgemäßen
Alle genannten Merkmale, auch die den Zeichnungen allein zu entnehmenden sowie auch einzelne Merkmale, die in Kombination mit anderen Merkmalen offenbart sind, werden allein und in Kombination als erfindungswesentlich angesehen. Erfindungsgemäße Ausführungsformen können durch einzelne Merkmale oder eine Kombination mehrerer Merkmale erfüllt sein. Im Rahmen der Erfindung sind Merkmale, die mit "insbesondere" oder "vorzugsweise" gekennzeichnet sind, als fakultative Merkmale zu verstehen.All mentioned features, including the drawings alone to be taken as well as individual features that are disclosed in combination with other features are considered alone and in combination as essential to the invention. Embodiments of the invention may be by single features or a combination of several features be fulfilled. In the context of the invention, features which are identified by "particular" or "preferably" are to be understood as optional features.
- 99
- FiltersegmentstromFilter segment current
- 1010
- FilterstrangmaschineFilter rod machine
- 1111
- UmhüllungsmaterialstreifenWrapping material strip
- 1212
- Umlenkrolleidler pulley
- 1313
- Formatvorrichtungformat device
- 1414
- GranulatbefüllvorrichtungGranulatbefüllvorrichtung
- 1515
- Filtersegmentfilter segment
- 1616
- Granulatgranules
- 1717
- Strangstrand
- 1818
- Schneidvorrichtungcutter
- 1919
- Filterfilter
- 2020
- Lückegap
- 2121
- Förderrichtungconveying direction
- 22, 22', 22", 22'"22, 22 ', 22 ", 22'"
- Einlassinlet
- 23, 23'23, 23 '
- mechanische Vorrichtungmechanical device
- 2424
- Auslassoutlet
- 2525
- Längsachselongitudinal axis
- 2626
- Förderkanaldelivery channel
- 2727
- SaugluftraumSaugluftraum
- 2828
- Saugluftöffnungsuction air
- 2929
- Innenflächepalm
- 3030
- Zwischenwandpartition
- 3131
- Luftstromairflow
- 3232
- Granulatbehältergranule units
- 33, 33', 33", 33'"33, 33 ', 33 ", 33'"
- schraubenförmige Nuthelical groove
- 3434
- Saugkanalsuction
- 3535
- Öffnungopening
- 3636
- Außenwandouter wall
- 3737
- DruckluftleitungCompressed air line
- 3838
- Luftleitungair line
- 3939
- Pumpepump
- 4040
- LuftstromsteuervorrichtungAir flow control device
- 4141
- Drehachseaxis of rotation
- 4242
- Luftauslassair outlet
- 4343
- Gehäusecasing
- 4444
- Gehäusedeckelhousing cover
- 4545
- AbschlussdeckelEnd cover
Claims (15)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL16168277T PL3097795T3 (en) | 2015-05-26 | 2016-05-04 | Method and device for producing a multi-segment filter |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102015108252.7A DE102015108252A1 (en) | 2015-05-26 | 2015-05-26 | Method and device for producing a multi-segment filter |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3097795A1 true EP3097795A1 (en) | 2016-11-30 |
EP3097795B1 EP3097795B1 (en) | 2018-09-19 |
Family
ID=55910880
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP16168277.8A Active EP3097795B1 (en) | 2015-05-26 | 2016-05-04 | Method and device for producing a multi-segment filter |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP3097795B1 (en) |
CN (1) | CN106174691B (en) |
DE (1) | DE102015108252A1 (en) |
PL (1) | PL3097795T3 (en) |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3524454A (en) * | 1969-05-29 | 1970-08-18 | John H Sexstone | Multiple filter assembly |
US3844541A (en) * | 1972-11-13 | 1974-10-29 | Burras F & Cie | Method of filling cigarette filters and device for carrying out the method |
US4015514A (en) * | 1976-01-29 | 1977-04-05 | Philip Morris Incorporated | Apparatus for making cigarette filters |
WO2003016137A1 (en) * | 2001-08-17 | 2003-02-27 | Philip Morris Products, S.A. | Dual station applicator wheels for filling cavities with metered amounts of particulate material |
EP1571933B1 (en) | 2002-12-19 | 2007-03-21 | Filtrona International Limited | Process and apparatus for high-speed filling of composite cigarette filters |
WO2007138487A2 (en) * | 2006-05-31 | 2007-12-06 | Philip Morris Products S.A. | Applicator wheel for filling cavities with metered amounts of particulate material |
WO2013022360A2 (en) | 2011-08-08 | 2013-02-14 | International Tobacco Machinery Poland Sp. Z O.O. | Apparatus for picking up loose substance in the tobacco industry equipment, scraper for such apparatus and method of feeding loose substance |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB699962A (en) | 1950-12-05 | 1953-11-18 | Henry Withers Kickweed Jenning | Improvements relating to screw conveying apparatus |
DE1632243C3 (en) * | 1967-09-28 | 1975-07-24 | H.F. & Ph. F. Reemtsma, 2000 Hamburg | Process for the production of granulate-filled cigarette filters and devices for carrying out the process |
US3482488A (en) | 1968-01-12 | 1969-12-09 | Brown & Williamson Tobacco | Multiple filter manufacture |
DE2555129C3 (en) | 1975-12-08 | 1979-10-18 | Baumgartner Papiers Sa | Cigarette filter unit and device for producing the same |
CH645251A5 (en) | 1980-04-08 | 1984-09-28 | Baumgartner Papiers Sa | METHOD FOR PRODUCING A CIGARETTE FILTER UNIT AND DEVICE FOR IMPLEMENTING THE METHOD. |
US4541826A (en) | 1981-09-25 | 1985-09-17 | Molins Plc | Method and apparatus for making composite filter rods |
DE4109603A1 (en) * | 1991-03-23 | 1992-09-24 | Hauni Werke Koerber & Co Kg | METHOD AND DEVICE FOR PRODUCING FILTER RODS FOR CIGARETTES |
DE19748072A1 (en) | 1997-10-30 | 1999-05-12 | Bat Cigarettenfab Gmbh | Method and device for applying substances to a filter material |
CA2528833A1 (en) | 2002-12-26 | 2004-07-15 | Alvin J. Stumborg | Apparatus for dispensing particulate material into a pneumatic conveying line |
GB0916539D0 (en) | 2009-09-21 | 2009-10-28 | British American Tobacco Co | Method and apparatus for introducing objects into filter rod material |
BR112015018821B1 (en) * | 2013-03-19 | 2021-08-17 | Philip Morris Products S.A. | APPARATUS AND METHOD FOR FILLING CAVITIES WITH PARTICULAR MATERIAL AND ITS USES |
-
2015
- 2015-05-26 DE DE102015108252.7A patent/DE102015108252A1/en not_active Withdrawn
-
2016
- 2016-05-04 PL PL16168277T patent/PL3097795T3/en unknown
- 2016-05-04 EP EP16168277.8A patent/EP3097795B1/en active Active
- 2016-05-26 CN CN201610355930.8A patent/CN106174691B/en active Active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3524454A (en) * | 1969-05-29 | 1970-08-18 | John H Sexstone | Multiple filter assembly |
US3844541A (en) * | 1972-11-13 | 1974-10-29 | Burras F & Cie | Method of filling cigarette filters and device for carrying out the method |
US4015514A (en) * | 1976-01-29 | 1977-04-05 | Philip Morris Incorporated | Apparatus for making cigarette filters |
WO2003016137A1 (en) * | 2001-08-17 | 2003-02-27 | Philip Morris Products, S.A. | Dual station applicator wheels for filling cavities with metered amounts of particulate material |
EP1571933B1 (en) | 2002-12-19 | 2007-03-21 | Filtrona International Limited | Process and apparatus for high-speed filling of composite cigarette filters |
WO2007138487A2 (en) * | 2006-05-31 | 2007-12-06 | Philip Morris Products S.A. | Applicator wheel for filling cavities with metered amounts of particulate material |
WO2013022360A2 (en) | 2011-08-08 | 2013-02-14 | International Tobacco Machinery Poland Sp. Z O.O. | Apparatus for picking up loose substance in the tobacco industry equipment, scraper for such apparatus and method of feeding loose substance |
Also Published As
Publication number | Publication date |
---|---|
EP3097795B1 (en) | 2018-09-19 |
CN106174691B (en) | 2020-09-15 |
CN106174691A (en) | 2016-12-07 |
PL3097795T3 (en) | 2019-03-29 |
DE102015108252A1 (en) | 2016-12-01 |
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