EP2666624A1 - Embossing roller - Google Patents
Embossing roller Download PDFInfo
- Publication number
- EP2666624A1 EP2666624A1 EP13163060.0A EP13163060A EP2666624A1 EP 2666624 A1 EP2666624 A1 EP 2666624A1 EP 13163060 A EP13163060 A EP 13163060A EP 2666624 A1 EP2666624 A1 EP 2666624A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- embossing
- wrapping material
- material strip
- grooves
- roller
- 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
- 238000004049 embossing Methods 0.000 title claims abstract description 234
- 239000000463 material Substances 0.000 claims abstract description 131
- 241000208125 Nicotiana Species 0.000 claims abstract description 12
- 235000002637 Nicotiana tabacum Nutrition 0.000 claims abstract description 12
- 230000000295 complement effect Effects 0.000 claims description 4
- 238000000034 method Methods 0.000 description 11
- 238000003780 insertion Methods 0.000 description 9
- 230000037431 insertion Effects 0.000 description 9
- 238000004519 manufacturing process Methods 0.000 description 7
- 238000010438 heat treatment Methods 0.000 description 6
- 239000004033 plastic Substances 0.000 description 4
- 238000011144 upstream manufacturing Methods 0.000 description 4
- 238000001035 drying Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 230000005855 radiation Effects 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005755 formation reaction Methods 0.000 description 2
- 229920000609 methyl cellulose Polymers 0.000 description 2
- 239000001923 methylcellulose Substances 0.000 description 2
- 235000010981 methylcellulose Nutrition 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 229920003043 Cellulose fiber Polymers 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- 239000013256 coordination polymer Substances 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24C—MACHINES FOR MAKING CIGARS OR CIGARETTES
- A24C5/00—Making cigarettes; Making tipping materials for, or attaching filters or mouthpieces to, cigars or cigarettes
- A24C5/005—Treatment of cigarette paper
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31F—MECHANICAL WORKING OR DEFORMATION OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31F1/00—Mechanical deformation without removing material, e.g. in combination with laminating
- B31F1/07—Embossing, i.e. producing impressions formed by locally deep-drawing, e.g. using rolls provided with complementary profiles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31F—MECHANICAL WORKING OR DEFORMATION OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31F1/00—Mechanical deformation without removing material, e.g. in combination with laminating
- B31F1/20—Corrugating; Corrugating combined with laminating to other layers
- B31F1/22—Making webs in which the channel of each corrugation is longitudinal with the web feed
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31F—MECHANICAL WORKING OR DEFORMATION OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31F2201/00—Mechanical deformation of paper or cardboard without removing material
- B31F2201/07—Embossing
- B31F2201/0707—Embossing by tools working continuously
- B31F2201/0715—The tools being rollers
- B31F2201/0723—Characteristics of the rollers
- B31F2201/0738—Cross sectional profile of the embossments
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31F—MECHANICAL WORKING OR DEFORMATION OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31F2201/00—Mechanical deformation of paper or cardboard without removing material
- B31F2201/07—Embossing
- B31F2201/0707—Embossing by tools working continuously
- B31F2201/0715—The tools being rollers
- B31F2201/0741—Roller cooperating with a non-even counter roller
- B31F2201/0743—Roller cooperating with a non-even counter roller having a matching profile
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31F—MECHANICAL WORKING OR DEFORMATION OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31F2201/00—Mechanical deformation of paper or cardboard without removing material
- B31F2201/07—Embossing
- B31F2201/0782—Layout of the complete embossing machine, of the embossing line
Definitions
- the invention relates to an embossing roll for an embossing device of a device for processing a wrapping material strip for a rod-shaped article of the tobacco-processing industry, wherein by means of the embossing device the wrapping material strip is embossable or embossed during a longitudinal axial promotion of the wrapping material strip, wherein the embossing roll has an at least partially circumferential embossing geometry wherein the embossing geometry of the embossing roller alternately has grooves and protrusions extending in the circumferential direction of the embossing roller.
- Corresponding embossing rollers or a corresponding embossing device and also a device for processing a wrapping material strip for a rod-shaped article of the tobacco processing industry are in the filed on 30.01.2012 by the applicant German application DE 10 2012 201 279.6 described.
- CV filters combined performance filters
- the Chinese patent application CN 258802 Y discloses a groove filter manufacturing machine for making cigarette filter rods with diagonal grooves.
- a paper feed on another side of a machine frame is doubled and provided as a paper feed a Spezialbobine, on the upper part of an embossing device is mounted.
- the embossing device has a double roller pair with diagonal groove embossing, a Saugluft- / Textil arrangementsnut, paper guide rollers and a Textil arrangementsnut and an infrared switch. It can be produced groove filter rods of different imprints.
- the double roller pair for embossing is convex-concave.
- an embossing roller for an embossing device a device for processing a wrapping material strip for a rod-shaped article of the tobacco processing industry, wherein by means of the embossing device the wrapping material strip is embossable or embossed during a longitudinal axial promotion of the wrapping material strip, wherein the embossing roll has an at least partially circumferential embossing geometry, wherein the embossing geometry of the embossing roll alternately grooves and has projections which extend in the circumferential direction of the embossing roll, which is further developed in that at least one groove and / or elevation in an outer region of the embossing geometry is more pronounced than a groove and / or elevation in an inner region of the embossing geometry.
- embossing roller according to the invention, a retraction of the wrapping material strip is prevented in the embossing geometry of the embossing roll.
- the grooves and / or elevations in radial Direction of the embossing roll are more pronounced.
- the radius of a more pronounced groove is smaller than the radius of a less pronounced groove.
- the radius of a more pronounced elevation is greater than the radius of a less pronounced elevation.
- the radius of the respective embossing roll is meant, so the distance from the axis of rotation of the embossing roller to the groove or the survey.
- the outermost groove and / or the outermost elevation of the embossing geometry of the embossing roll is more pronounced.
- the embossing geometry is correspondingly more pronounced at one edge of the embossing roll.
- the embossing geometry is preferably groove-shaped.
- the outermost groove and / or the outermost elevation is more pronounced on both sides of the embossing geometry.
- the embossing geometry is more pronounced on both outer edges or on both outer regions of the embossing roll.
- a plurality of grooves and / or elevations in the outer region of the embossing geometry are more pronounced. This can be prevented very reliably pulling in transversely to the transport of the wrapping material strip in the embossing roller or the embossing geometry. This happens because just in the outer area by the several grooves and / or elevations, which are more pronounced, a kind of clamping the wrapping material strip happens.
- At least two grooves and / or elevations which are arranged side by side in the outer region, equally pronounced.
- a first enveloping curve for the grooves and / or a second enveloping Curve be provided for the surveys, which is at least partially parabolic.
- the elevations of the embossing roll and / or the grooves of the embossing roll receive a kind of concave shape, with respect to the enveloping curve, ie an imaginary curve connecting the elevations and the uppermost part of the surveys and / or the grooves accordingly connects with each other.
- a stepwise enlargement of the expression of the grooves and / or the elevations in the outer region is provided to the outside, wherein at least two stages are provided.
- the grooves and / or the elevations are at least partially circular in section.
- the tension exerted on the wrapping material strip is evenly distributed.
- the flanks between the grooves and the respective adjacent elevations are arranged radially. This results in a good clamping and thereby caused plastic deformation of the wrapping material strip.
- radial means that the flanks are arranged radially relative to the corresponding embossing roller or the axis of rotation of the embossing roller.
- the corresponding elevations and / or grooves, which are arranged circumferentially around the embossing roller thus have circumferential flanks between the respective elevations and the adjacent grooves, which are perpendicular to the axis of rotation.
- the groove and / or elevation are formed in the outer region of the embossing geometry between the flanks with a plateau, wherein between the plateau and the flanks a rounded edge is provided.
- the embossing geometry is wavy in section, with the elevations in the inner region and grooves have a kind of sinudial or sinusoidal configuration, that is, for example, circular segment-shaped and preferably formed in the outer region of a stump. This blunt formation may be understood to mean that the waveform is there in the manner of a rectangular waveform, but with rounded edges.
- an embossing device is provided with a first embossing roll, which is formed as described above, wherein a counter-roller is provided, which is complementary to the first embossing roll, wherein a gap of the flanks between the grooves and protrusions is provided, which is smaller than a thickness of wrapping material strip.
- a gap of the flanks between the grooves of an embossing roll and the elevations of the counter roll and vice versa is the gap of the flanks between the grooves of an embossing roll and the elevations of the counter roll and vice versa.
- the axes of rotation of the two embossing rollers are preferably parallel to one another.
- the wrapping material strip is clamped between the flanks, so that plastic deformation of the wrapping material strip is made possible by the shape complementarily provided grooves and elevations in the radial direction of the embossing rolls ,
- the distance of the embossing rollers is adjustable.
- a device for processing a wrapping material strip for a rod-shaped article of the tobacco-processing industry comprises an embossing device described above and preferred by means of which the wrapping material strip during a longitudinal axial promotion of the wrapping material strip is embossable or embossed.
- Embossing of the wrapping material strip now takes place in such a way that the wrapping material strip is conveyed between the embossing rolls of the embossing device in the longitudinal axial direction, while the embossing rolls, ie the first embossing roll and the counter-roll, which can also be an embossing roll according to the invention, rotate.
- the embossing rolls ie the first embossing roll and the counter-roll, which can also be an embossing roll according to the invention, rotate.
- a groove-shaped embossing is impressed on the wrapping material strip, wherein the grooves are formed in the conveying direction of the wrapping material strip.
- a strand material such as tobacco or filter material, such as filter tow
- the embossed wrapping material strip can be wound around the strand, preferably on impact.
- a very precisely defined width of the wrapping material strip has to be set. This is possible with the embossing roll according to the invention and the embossing device according to the invention in a simple manner.
- Another wrapping material strip may then be wrapped around the embossed wrapping material strip and appropriately glued.
- the further wrapping material strip may be the otherwise usual wrapping material strip which is wrapped around strand material in a formatting device and sealed accordingly to shape and retain the strand material.
- an embossing apparatus comprising one or two embossing rollers according to the invention, by means of which the wrapping material strip is embossable or embossed during longitudinal axial conveyance of the wrapping material strip, wherein a moistening device for moistening the wrapping material strip may be provided upstream of the embossing device.
- the moistening device is provided between a wrapping material strip tension control device and the embossing device. This development enables a very precise moistening of the wrapping material strip.
- a heating device is provided.
- the heating device is preferably arranged in the region of the embossing device and / or integrated in the embossing device.
- the heating device can be arranged for example in an embossing roll of the embossing device.
- a heater is provided upstream of the humidifier and / or integrated in the humidifier.
- the moistening device sprays heated water or liquid onto the wrapper strip.
- a heating device is provided which heats the liquid to be sprayed onto the wrapping material strip.
- a drying device is provided immediately downstream of the embossing device, thereby allowing the wrapping material strip to be dried or substantially dried in contact with the strand material.
- the inventive device as a slide-in device or process unit of a Insertion device is formed, wherein the insertion device between a filter rod machine and a filter tow preparation machine or a filter segment assembly machine for multi-segment filter is mounted or mountable, wherein the insertion device comprises in particular a supply unit which is releasably connectable to the process unit.
- the filter production is more flexible than hitherto possible, since the filter material and / or the wrapping material strip can be processed or processed very variably by the insertion device.
- different processing or conditioning processes can also be provided, whereby a different type of processing or processing is made possible by exchanging the respective process unit with another process unit.
- this measure can very quickly provide a different type of embossing on the wrapping material strip.
- a longitudinal axial embossing is provided.
- embossing could be provided, which are then possible on the corresponding insertion device or the process unit of a slide-in device.
- another wrapping material may also be used be processed accordingly or the wrapping material easily processed or processed with another liquid at other process temperatures. For this purpose, for example, only the process unit must be replaced, which is then connected to the supply unit.
- a filter manufacturing machine of the tobacco processing industry comprises an aforementioned device according to the invention with the corresponding aforementioned features.
- Fig. 1 schematically shows a filter manufacturing machine according to the invention of the tobacco processing industry with a very schematically illustrated Filtertowauflehusmaschine 20, a device according to the invention for processing a wrapping material strip, for example in the form of the insertion device 30 and a filter rod machine 40, which is also shown very schematically.
- the processed filter tow 11 from the filter wire processing machine 20 is directed over rollers 61 above the web of wrapping material strip 33 of the wrapping material strip processing apparatus according to the invention and then threaded into an inlet hopper 41 of the filter rod machine.
- a wrapping material strip 33 is from outside the insertion device or alternatively from a supply in the insertion device 30, which is not shown and may be, for example, a reel or a Bobinenwechsler, via rollers 60 first to a wrapping material strip tensioning device 55, which ensures that the wrapping material strip is conveyed with a constant as possible predetermined tensile force directed.
- a moistening device 50 in which the wrapping material strip 33 is moistened, for example with water, which is preferably mixed with a stabilizing agent, for example methyl cellulose.
- a heater may be provided to heat the wrap strip of material.
- the heater can exploit heat radiation, for example, or hot air can be used here.
- methylcellulose as an additive, for example to water
- the moistening is preferably done so that the wrapping material strip 33 has a moisture content of 5 to 13 percent by mass, especially preferably 7 to 9 percent by mass and in particular 8 percent by mass, during embossing.
- Humidification happens in Fig. 1 one-sided from below. Particularly preferred is an embodiment in which the humidification from both sides, ie in addition to the embodiment of Fig. 1 , also happens from above.
- the moistened wrapping material strip is then conveyed in the conveying direction 90 via deflecting rollers 60 to an embossing device 36.
- the embossing device 36 comprises an embossing roller 34 and an embossing roller 35, which will be explained in more detail below.
- a longitudinal axial embossing of the wrapping material strip is achieved, ie an embossing, which shows a waveform in a section transverse to the longitudinal axis of the wrapping material strip.
- a heating device 56 is integrated, which heats the wrapping material strip, in particular further, by means of heat radiation, for example infrared radiation. It can also be a heater in one or both embossing rollers 34, 35 may be provided.
- At least one embossing roll in Fig. 1 the first embossing roll 34 is provided with a pivoting device 64 which, in the case of a winder, enables the swaging of an embossing roll from the other embossing roll.
- a pivoting device 64 which, in the case of a winder, enables the swaging of an embossing roll from the other embossing roll.
- two pivoting devices ie for each embossing roller a pivoting device 64, are provided.
- the embossing rollers 34 and 35 may also be arranged linearly displaceable.
- a drying device 51 is provided downstream, by means of which the embossed wrapping material strip 33 is dried.
- a guide 63 by means of which in particular a lateral guidance of the wrapping material strip is made possible so as to regulate the lateral position of the wrapping material strip, in particular relative to the lateral position of a further wrapping material strip 52.
- the embossed wrapping material strip is then placed in the stranding machine 40 on a further wrapping material strip 52, and then wound in a format device, not shown, around the filter tow 11 in the format device.
- the wrapping material strip 52 is glued on the adhesive side 53 by means of a gluing device 54. This results in a secure connection of the wrapping material strip 52 with the embossed wrapping material strip 33.
- the wrapping material strip 52 is correspondingly circulated by means of the deflecting roller 62 kt.
- the wrapping material strip tension of the processed wrapping material strip 33 is set before the format infeed.
- a force or spring-loaded emboss roller suspension is provided.
- a force or torque controlled dancer according to the configuration of the wrapping material strip tensioning control device 55 may be provided.
- the embossed wrapping material strip is kept as tension-free as possible by means of the tensile force adjusting device 65.
- the humidifying device 50 and also the heating device (s) may then be eliminated. This can be the case, for example, in the case of a wrapping material strip of cellulose fibers, which can be plastically and thus stably deformed without moistening by embossing.
- Fig. 2 schematically shows in a side view, the first embossing roller 34 and the second embossing roller 35 of the embossing device 36.
- the wrapping material strip 33 is brought into the effective range of the two embossing rollers 34 and 35.
- the embossing roll 34 has intermittent embossing regions 72 to 75 on. As a result, corresponding areas are stamped on the wrapping material strip 33 and corresponding areas are not embossed. These are each arranged alternately in the conveying direction.
- embossing rollers 34 and 35 are preferably reversed to that in Fig. 2 that is, the embossing roller 34 is then arranged below the embossing roll 35. The embossing roller 34 is thus disposed below the wrapping material strip barrel.
- Fig. 3 shows a section of the two embossing rollers 34 and 35 Fig. 2 in a representation from another side, in this case in Fig. 2 from the left looking at the two embossing rollers.
- the embossing roller 34 of the embossing region 75 is clearly visible and another area 71, which does not contribute to the embossing.
- the embossing roller is provided with a contour or stamping geometry which has elevations and grooves in alternation. The elevations have a radius r1 and the grooves have a radius r2. There are a total of five grooves shown and six surveys.
- the second embossing roller 35 Essentially complementary to the shape of the second embossing roller 35, which, however, has a full embossing area, so no intermittent embossed areas, which alternate with other areas 71.
- corresponding grooves and projections are provided, wherein the elevations have a radius r4 and the grooves have a radius r3.
- the elevations of the embossing roller 34 engage in the grooves of the embossing roller 35 and vice versa engage the inner elevations of the embossing roller 35 in the grooves of the embossing roller 34 a.
- the fact that the lateral spacing of the elevations of the embossing roller 34 to the embossing roller 35 is such that between the edges of the protrusions less distance than the thickness of the wrapping material strip, the should be embossed, clamps the wrapping material strip between these flanks, which is why a retraction of the wrapping material strip is prevented at the edge of the wrapping material strip in the inner region of the embossing rollers. This results in a more uniform embossing.
- the embossing roller 35 can be considered as the first embossing roller and the embossing roller 34 as a counter-roller.
- embossing roller 34 and the embossing roller 35 are spaced from each other so as not to contact each other so as to prevent damage to the wrapping material strip. Depending on the choice of wrapping material strip, this distance will be adjusted accordingly. It should also be noted that the radii used have no common divisors to minimize wear of the embossing rolls.
- Fig. 4 schematically shows a sectional view in each case by a part of the embossing rollers 34 and 35.
- the embossing rollers 34 and 35 are shown only in the peripheral region, ie the area remote from the axis of rotation.
- the projections 44 and 44 'and the grooves 43 and 43' each have semicircular portions.
- the grooves 43 pass over flanks 47 in the elevations 44 and the elevations 44 'go into the grooves 43' via flanks 47 'on.
- the flanks 47 and 47 ' are arranged radially, ie perpendicular to the schematically illustrated axes of rotation 31 and 32, respectively.
- the axes of rotation are, for example, also in FIG Fig. 2 shown.
- a vertical gap 76 in Fig. 4 represented, which represents the distance between the two embossing rolls 34 and 35 and a horizontal gap 76 ', which corresponds to the spacing of the flanks 47 and 47'.
- the horizontal gap 76 ' should be less than the thickness of the wrapping material strip to be embossed.
- the embossing geometry 42 of the embossing roll 35 and the embossing geometry 42 'of the embossing roll 34 which can also be generally referred to as embossing contour, provides that in an inner region 45 of the embossing rolls 34 and 35 comparatively small elevations and grooves are provided in the vertical direction.
- outer regions 46 and 46 ' are provided, in which the formations of the elevations and grooves are more pronounced.
- the base of the grooves 43 is at an equal radius r3.
- the radius r3 is therefore the same over all areas.
- the elevations 44 have in the outer regions 46 and 46 'a greater expression than the elevations 44 in the inner region 45 of the roller 35.
- the outermost four elevations 44 are each more pronounced than the next two surveys, which in turn are more pronounced than the Elevations of the inner region 45 of the embossing roll 35.
- the embossing roll 34 whose grooves 43 'are more pronounced with respect to the elevations 44 of the embossing roll 35, behaves correspondingly in a complementary shape.
- the elevations 44 'of the embossing roller 34 are equally pronounced, ie the radius r1 of the elevations of the embossing roller 34 is constant over the entire embossing roller 34, while the radius r2 of the embossing roller 34 in outer area is smaller than in the inner area.
- a wrapping material strip for example a paper web
- embossed paper or embossed wrapping material strip is located in the later product, for example, between a filter tow and a filter wrapping paper, such as in Fig. 5 is shown.
- the edges of the embossed wrapping material strip lie next to each other and do not overlap. For this reason, the wrapping material strip should be embossed on the entire width. In the middle of the wrapping material strip this is held in the embossing process by the embossing teeth or stamping embossments located on both sides. Flow of the entire wrapping material strip is therefore not possible.
- the wrapping material strip is forced into the embossing mold or embossing geometry and the fiber structure is plastically deformed.
- the result is a well-developed and solid embossed image.
- the wrapping material strip can not be held in place by lateral flanks in conventional embossing rolls. The consequence of this is a retraction of the wrapping material strip in the embossing or embossing rolls. As a result, the plastic deformation would be less pronounced, since the wrapping material strip expands back.
- the embossing rollers according to the invention are shaped such that the embossing teeth or the embossing elevations or generally the elevations on both sides of the embossing roll or at least one embossing roll are higher, ie are more pronounced than in the middle.
- the height change or the strength of the expression can be done in one, two or more steps.
- a concave shape can be formed in the overall picture of the embossing teeth or embossing elevations.
- the counter roller has correspondingly deeper grooves, so that the distances in the roll base to the counterparts remain the same.
- an embossing roller or an embossing roller pair is indicated, which is an ascending to the edge of the embossing roller Embossing depth has.
- Fig. 5 schematically shows a section through a manufactured filter strand.
- Filter material 110 is enclosed by the embossed wrapping material strip 33, which is wrapped around the filter material in abutment, resulting in a butting region 111.
- Wrapped around it and bonded to the wrapping material strip 33 is a wrapping material strip 52 corresponding to the usual wrapping material strip in a filter strand.
- Between the splices, ie the contact points of the two wrapping material strips 33 and 52 are provided corresponding longitudinal axial ventilation slots or ventilation areas.
- Fig. 6 schematically shows in a side view a first embossing roller 34 'and a second embossing roller 35' of the embossing device 36 'in a slightly different embodiment compared with Fig. 2 ,
- the wrapping material strip 33 is brought into the effective range of the two embossing rollers 34 and 35.
- the embossing rollers 34 'and 35' of Fig. 6 both intermittent imprinting areas 72 'to 75'. This has the advantage that a more defined embossing of the wrapping material strip is possible, in particular also in the transition region from an embossed region to an unembossed region.
- Fig. 7 shows in a schematic sectional view in each case a part of the embossing rollers 34 and 35, which are designed somewhat different than that of Fig. 4 ,
- the embossing rollers 34 'and 35' may also be used here Fig. 7 be shown.
- an embossing geometry 42 or 42 ' is shown, which may for example be referred to as wave-shaped. Internally Area 45 correspond to the grooves and elevations of those from the Fig. 4 , Thus, partial circular elevations and grooves are also provided here.
- the radius of this rounded edge is smaller than the radius of the transitions from one flank to the other flank in the elevations and grooves in the inner region 45.
- the two outer elevations and grooves are also more pronounced than in the inner region 45, ie the radii or extensions in the radial direction are larger here in the elevations compared to the radii or extensions in the radial direction of the elevations in the inner region 45 and in the grooves smaller compared to those of the inner area.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Machines For Manufacturing Corrugated Board In Mechanical Paper-Making Processes (AREA)
- Press Drives And Press Lines (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
Description
Die Erfindung betrifft eine Prägewalze für eine Prägevorrichtung einer Vorrichtung zur Bearbeitung eines Umhüllungsmaterialstreifens für einen stabförmigen Artikel der Tabak verarbeitenden Industrie, wobei mittels der Prägevorrichtung der Umhüllungsmaterialstreifen während einer längsaxialen Förderung des Umhüllungsmaterialstreifens prägbar ist oder geprägt wird, wobei die Prägewalze eine wenigstens abschnittsweise umlaufende Prägegeometrie aufweist, wobei die Prägegeometrie der Prägewalze abwechselnd Nuten und Erhebungen aufweist, die sich in Umfangsrichtung der Prägewalze erstrecken.The invention relates to an embossing roll for an embossing device of a device for processing a wrapping material strip for a rod-shaped article of the tobacco-processing industry, wherein by means of the embossing device the wrapping material strip is embossable or embossed during a longitudinal axial promotion of the wrapping material strip, wherein the embossing roll has an at least partially circumferential embossing geometry wherein the embossing geometry of the embossing roller alternately has grooves and protrusions extending in the circumferential direction of the embossing roller.
Entsprechende Prägewalzen bzw. eine entsprechende Prägevorrichtung und auch eine Vorrichtung zur Bearbeitung eines Umhüllungsmaterialstreifens für einen stabförmigen Artikel der Tabak verarbeitenden Industrie sind in der am 30.01.2012 von der Anmelderin eingereichten deutschen Anmeldung
In letzter Zeit sind sogenannte Combined Performance Filter (CP-Filter) bekannt geworden, die auch als CV-Filter bezeichnet werden, wobei CV die Abkürzung von "channel ventilated" ist.Recently, so-called combined performance filters (CP filters) have become known, which are also referred to as CV filters, where CV is the abbreviation of "channel ventilated".
Die chinesische Patentanmeldung
Durch das Verfahren, das in der
Es ist Aufgabe der vorliegenden Erfindung, eine Prägewalze, eine Prägevorrichtung und eine Vorrichtung zur Bearbeitung eines Umhüllungsmaterialstreifens für einen stabförmigen Artikel der Tabak verarbeitenden Industrie anzugeben, mittels der insbesondere quer zur Längsachse des Umhüllungsmaterialstreifens eine gleichmäßige Prägung erzielt wird, wobei insbesondere nach dem Prägen eine definierte Breite des Umhüllungsmaterialstreifens erzielbar ist.It is an object of the present invention to provide an embossing roller, an embossing device and an apparatus for processing a wrapping material strip for a rod-shaped article of the tobacco processing industry, by means of which in particular transversely to the longitudinal axis of the wrapping material strip uniform embossing is achieved, in particular after embossing a defined Width of the wrapping material strip is achievable.
Gelöst wird diese Aufgabe durch eine Prägewalze für eine Prägevorrichtung einer Vorrichtung zur Bearbeitung eines Umhüllungsmaterialstreifens für einen stabförmigen Artikel der Tabak verarbeitenden Industrie, wobei mittels der Prägevorrichtung der Umhüllungsmaterialstreifen während einer längsaxialen Förderung des Umhüllungsmaterialstreifens prägbar ist oder geprägt wird, wobei die Prägewalze eine wenigstens abschnittsweise umlaufende Prägegeometrie aufweist, wobei die Prägegeometrie der Prägewalze abwechselnd Nuten und Erhebungen aufweist, die sich in Umfangsrichtung der Prägewalze erstrecken, die dadurch weitergebildet ist, dass wenigstens eine Nut und/oder Erhebung in einem äußeren Bereich der Prägegeometrie stärker ausgeprägt ist als eine Nut und/oder Erhebung in einem inneren Bereich der Prägegeometrie.This object is achieved by an embossing roller for an embossing device a device for processing a wrapping material strip for a rod-shaped article of the tobacco processing industry, wherein by means of the embossing device the wrapping material strip is embossable or embossed during a longitudinal axial promotion of the wrapping material strip, wherein the embossing roll has an at least partially circumferential embossing geometry, wherein the embossing geometry of the embossing roll alternately grooves and has projections which extend in the circumferential direction of the embossing roll, which is further developed in that at least one groove and / or elevation in an outer region of the embossing geometry is more pronounced than a groove and / or elevation in an inner region of the embossing geometry.
Erfindungsgemäß ist erkannt worden, dass ein gut ausgearbeitetes und gleichmäßiges Prägebild eines Umhüllungsmaterialstreifens dann ermöglicht ist, wenn eine Prägewalze für eine Prägevorrichtung verwendet wird, deren Prägegeometrie zumindest an einem äußeren Bereich stärker ausgeprägt ist, als in einem inneren Bereich. Bei gleichförmiger Ausprägung ergibt sich sonst der Effekt, dass der Umhüllungsmaterialstreifen an den Rändern des Umhüllungsmaterialstreifens von den seitlichen Flanken bzw. der seitlichen Prägegeometrie nicht vollständig festgehalten wird, sondern der Umhüllungsmaterialstreifen in die Prägegeometrie hineingezogen wird, so dass eine weniger stark ausgeprägte plastische Verformung ermöglicht ist und sich der Umhüllungsmaterialstreifen nach Verlassen der Prägevorrichtung im Randbereich wieder zurückdehnt. Durch die erfindungsgemäße Prägewalze wird ein Einziehen des Umhüllungsmaterialstreifens in die Prägegeometrie der Prägewalze verhindert.According to the invention, it has been recognized that a well-developed and uniform embossing pattern of a wrapping material strip is made possible when an embossing roller is used for an embossing device whose embossing geometry is more pronounced at least at an outer area than in an inner area. In the case of a uniform shape, the effect otherwise results that the wrapping material strip at the edges of the wrapping material strip is not completely retained by the lateral flanks or the lateral embossing geometry, but the wrapping material strip is drawn into the embossing geometry, so that a less pronounced plastic deformation is made possible and the wrapping material strip expands back after leaving the embossing device in the edge region. By embossing roller according to the invention, a retraction of the wrapping material strip is prevented in the embossing geometry of the embossing roll.
Unter einer stärkeren Ausprägung der Prägegeometrie wird insbesondere verstanden, dass die Nuten und/oder Erhebungen in radialer Richtung der Prägewalze stärker ausgeprägt sind. Somit ist insbesondere der Radius einer stärker ausgeprägten Nut kleiner als der Radius einer weniger stark ausgeprägten Nut. Somit ist insbesondere der Radius einer stärker ausgeprägten Erhebung größer als der Radius einer weniger stark ausgeprägten Erhebung. Hierbei ist der Radius der jeweiligen Prägewalze gemeint, also der Abstand von der Drehachse der Prägewalze zu der Nut oder der Erhebung.Under a stronger expression of the embossing geometry is in particular understood that the grooves and / or elevations in radial Direction of the embossing roll are more pronounced. Thus, in particular, the radius of a more pronounced groove is smaller than the radius of a less pronounced groove. Thus, in particular, the radius of a more pronounced elevation is greater than the radius of a less pronounced elevation. Here, the radius of the respective embossing roll is meant, so the distance from the axis of rotation of the embossing roller to the groove or the survey.
Vorzugsweise ist die äußerste Nut und/oder die äußerste Erhebung der Prägegeometrie der Prägewalze stärker ausgeprägt. Insbesondere ist die Prägegeometrie an einem Rand der Prägewalze entsprechend stärker ausgeprägt. Die Prägegeometrie ist vorzugsweise rillenförmig. Vorzugsweise ist auf beiden Seiten der Prägegeometrie jeweils die äußerste Nut und/oder die äußerste Erhebung stärker ausgeprägt. Damit ist an beiden Außenrändern bzw. an beiden äußeren Bereichen der Prägewalze die Prägegeometrie stärker ausgeprägt.Preferably, the outermost groove and / or the outermost elevation of the embossing geometry of the embossing roll is more pronounced. In particular, the embossing geometry is correspondingly more pronounced at one edge of the embossing roll. The embossing geometry is preferably groove-shaped. Preferably, in each case the outermost groove and / or the outermost elevation is more pronounced on both sides of the embossing geometry. Thus, the embossing geometry is more pronounced on both outer edges or on both outer regions of the embossing roll.
Besonders bevorzugt ist es, wenn mehrere Nuten und/oder Erhebungen im äußeren Bereich der Prägegeometrie stärker ausgeprägt sind. Hierdurch kann sehr verlässlich ein Einziehen quer zum Transport des Umhüllungsmaterialstreifens in die Prägewalze bzw. die Prägegeometrie verhindert werden. Dieses geschieht dadurch, dass gerade im äußeren Bereich durch die mehreren Nuten und/oder Erhebungen, die stärker ausgeprägt sind, eine Art Festklemmen des Umhüllungsmaterialstreifens geschieht.It is particularly preferred if a plurality of grooves and / or elevations in the outer region of the embossing geometry are more pronounced. This can be prevented very reliably pulling in transversely to the transport of the wrapping material strip in the embossing roller or the embossing geometry. This happens because just in the outer area by the several grooves and / or elevations, which are more pronounced, a kind of clamping the wrapping material strip happens.
Vorzugsweise sind wenigstens zwei Nuten und/oder Erhebungen, die im äußeren Bereich nebeneinander angeordnet sind, gleich stark ausgeprägt. Hierdurch ergibt sich ein sehr gleichmäßiges Prägebild des Umhüllungsmaterialstreifens. Alternativ kann eine erste einhüllende Kurve für die Nuten und/oder eine zweite einhüllende Kurve für die Erhebungen vorgesehen sein, die wenigstens abschnittsweise parabelförmig ist. Hierdurch erhalten die Erhebungen der Prägewalze und/oder die Nuten der Prägewalze eine Art konkave Form, und zwar im Hinblick auf die einhüllende Kurve, d.h. eine gedachte Kurve, die die Erhebungen bzw. den obersten Teil der Erhebungen miteinander verbindet und/oder die Nuten entsprechend miteinander verbindet. Vorzugsweise ist eine stufenweise Vergrößerung der Ausprägung der Nuten und/oder der Erhebungen im äußeren Bereich nach außen hin vorgesehen, wobei wenigstens zwei Stufen vorgesehen sind.Preferably, at least two grooves and / or elevations, which are arranged side by side in the outer region, equally pronounced. This results in a very uniform embossed image of the wrapping material strip. Alternatively, a first enveloping curve for the grooves and / or a second enveloping Curve be provided for the surveys, which is at least partially parabolic. In this way, the elevations of the embossing roll and / or the grooves of the embossing roll receive a kind of concave shape, with respect to the enveloping curve, ie an imaginary curve connecting the elevations and the uppermost part of the surveys and / or the grooves accordingly connects with each other. Preferably, a stepwise enlargement of the expression of the grooves and / or the elevations in the outer region is provided to the outside, wherein at least two stages are provided.
Vorzugsweise sind die Nuten und/oder die Erhebungen wenigstens abschnittsweise im Schnitt kreisförmig. Hierdurch wird die auf den Umhüllungsmaterialstreifen ausgeübte Zugspannung gleichmäßig verteilt. Vorzugsweise sind die Flanken zwischen den Nuten und den jeweils benachbarten Erhebungen radial angeordnet. Hierdurch ergibt sich eine gute Einspannung und dadurch hervorgerufene plastische Verformung des Umhüllungsmaterialstreifens. Radial bedeutet insbesondere, dass die Flanken radial zu der entsprechenden Prägewalze bzw. der Drehachse der Prägewalze angeordnet sind. Die entsprechenden Erhebungen und/oder Nuten, die umlaufend um die Prägewalze angeordnet sind, weisen somit umlaufende Flanken zwischen den jeweiligen Erhebungen und den benachbarten Nuten auf, die senkrecht zur Drehachse sind.Preferably, the grooves and / or the elevations are at least partially circular in section. As a result, the tension exerted on the wrapping material strip is evenly distributed. Preferably, the flanks between the grooves and the respective adjacent elevations are arranged radially. This results in a good clamping and thereby caused plastic deformation of the wrapping material strip. In particular, radial means that the flanks are arranged radially relative to the corresponding embossing roller or the axis of rotation of the embossing roller. The corresponding elevations and / or grooves, which are arranged circumferentially around the embossing roller, thus have circumferential flanks between the respective elevations and the adjacent grooves, which are perpendicular to the axis of rotation.
Vorzugsweise sind oder ist die Nut und/oder Erhebung im äußeren Bereich der Prägegeometrie zwischen deren Flanken mit einem Plateau ausgebildet, wobei zwischen dem Plateau und den Flanken eine abgerundete Kante vorgesehen ist. Hier ist eine intensivere Verformung des Umhüllungsmaterialstreifens im äußeren Bereich der Prägegeometrie möglich. Vorzugsweise ist die Prägegeometrie im Schnitt wellenförmig, wobei in inneren Bereich die Erhebungen und Nuten eine Art sinudiale bzw. sinusförmige Ausgestaltung haben, also beispielsweise kreisabschnittsförmig sind und im äußeren Bereich vorzugsweise stumpfartig ausgebildet. Diese stumpfartige Ausbildung kann in etwa so verstanden werden, dass diese die Wellenform dort in Art einer rechteckigen Wellenform ist, die allerdings abgerundete Kanten hat.Preferably, the groove and / or elevation are formed in the outer region of the embossing geometry between the flanks with a plateau, wherein between the plateau and the flanks a rounded edge is provided. Here a more intensive deformation of the wrapping material strip in the outer region of the embossing geometry is possible. Preferably, the embossing geometry is wavy in section, with the elevations in the inner region and grooves have a kind of sinudial or sinusoidal configuration, that is, for example, circular segment-shaped and preferably formed in the outer region of a stump. This blunt formation may be understood to mean that the waveform is there in the manner of a rectangular waveform, but with rounded edges.
Vorzugsweise ist eine Prägevorrichtung mit einer ersten Prägewalze versehen, die wie vorstehend beschrieben ausgebildet ist, wobei eine Gegenwalze vorgesehen ist, die formkomplementär zur ersten Prägewalze ist, wobei ein Spaltmaß der Flanken zwischen den Nuten und Erhebungen vorgesehen ist, das kleiner ist als eine Dicke des Umhüllungsmaterialstreifens. Hierbei handelt es sich um das Spaltmaß der Flanken zwischen den Nuten der einen Prägewalze und den Erhebungen der Gegenwalze und andersherum. Die Rotationsachsen der beiden Prägewalzen sind vorzugsweise parallel zueinander.Preferably, an embossing device is provided with a first embossing roll, which is formed as described above, wherein a counter-roller is provided, which is complementary to the first embossing roll, wherein a gap of the flanks between the grooves and protrusions is provided, which is smaller than a thickness of wrapping material strip. This is the gap of the flanks between the grooves of an embossing roll and the elevations of the counter roll and vice versa. The axes of rotation of the two embossing rollers are preferably parallel to one another.
Durch Vorsehen eines Spaltmaßes der Flanken zwischen Nuten und Erhebungen, das kleiner ist als eine Dicke des Umhüllungsmaterialstreifens, wird der Umhüllungsmaterialstreifen entsprechend zwischen den Flanken eingeklemmt, so dass durch die formkomplementär vorgesehenen Nuten und Erhebungen in radialer Richtung der Prägewalzen eine plastische Verformung des Umhüllungsmaterialstreifens ermöglicht wird.By providing a gap of the flanks between grooves and protrusions, which is smaller than a thickness of the wrapping material strip, the wrapping material strip is clamped between the flanks, so that plastic deformation of the wrapping material strip is made possible by the shape complementarily provided grooves and elevations in the radial direction of the embossing rolls ,
Vorzugsweise ist der Abstand der Prägewalzen einstellbar.Preferably, the distance of the embossing rollers is adjustable.
Ferner vorzugsweise weist eine Vorrichtung zur Bearbeitung eines Umhüllungsmaterialstreifens für einen stabförmigen Artikel der Tabak verarbeitenden Industrie eine vorstehend beschriebene und bevorzugte Prägevorrichtung auf, mittels der der Umhüllungsmaterialstreifen während einer längsaxialen Förderung des Umhüllungsmaterialstreifens prägbar ist oder geprägt wird.Further preferably, a device for processing a wrapping material strip for a rod-shaped article of the tobacco-processing industry comprises an embossing device described above and preferred by means of which the wrapping material strip during a longitudinal axial promotion of the wrapping material strip is embossable or embossed.
Das Prägen des Umhüllungsmaterialstreifens geschieht nun so, dass der Umhüllungsmaterialstreifen zwischen den Prägewalzen der Prägevorrichtung in längsaxialer Richtung gefördert wird, während die Prägewalzen, also die erste Prägewalze und die Gegenwalze, die auch eine erfindungsgemäße Prägewalze sein kann, rotieren. Hierdurch wird dem Umhüllungsmaterialstreifen eine rillenförmige Prägung aufgeprägt, wobei die Rillen in Förderrichtung des Umhüllungsmaterialstreifens ausgebildet sind.Embossing of the wrapping material strip now takes place in such a way that the wrapping material strip is conveyed between the embossing rolls of the embossing device in the longitudinal axial direction, while the embossing rolls, ie the first embossing roll and the counter-roll, which can also be an embossing roll according to the invention, rotate. As a result, a groove-shaped embossing is impressed on the wrapping material strip, wherein the grooves are formed in the conveying direction of the wrapping material strip.
Um einen stabförmigen Artikel der Tabak verarbeitenden Industrie herzustellen, kann ein Strangmaterial, wie beispielsweise Tabak oder Filtermaterial, wie beispielsweise Filtertow, vorgesehen sein, das in einer Strangmaschine entsprechend verarbeitet wird. Zudem kann dann der geprägte Umhüllungsmaterialstreifen um den Strang gewickelt werden, und zwar vorzugsweise auf Stoß. Um ein Umwickeln des Strangs auf Stoß zu ermöglichen, muss eine sehr genau definierte Breite des Umhüllungsmaterialstreifens eingestellt werden. Dieses ist mit der erfindungsgemäßen Prägewalze und der erfindungsgemäßen Prägevorrichtung auf einfache Weise möglich. Es kann dann ein weiterer Umhüllungsmaterialstreifen um den geprägten Umhüllungsmaterialstreifen herumgewickelt werden und entsprechend verleimt werden. Bei dem weiteren Umhüllungsmaterialstreifen kann es sich um den ansonsten üblichen Umhüllungsmaterialstreifen handeln, der um Strangmaterial in einer Formatvorrichtung herumgewickelt wird und entsprechend verschlossen wird, um das Strangmaterial in Form zu bringen und in Form zu behalten.In order to produce a rod-shaped article of the tobacco processing industry, a strand material, such as tobacco or filter material, such as filter tow, may be provided, which is processed accordingly in a stranding machine. In addition, then the embossed wrapping material strip can be wound around the strand, preferably on impact. In order to allow the strand to be wound up on impact, a very precisely defined width of the wrapping material strip has to be set. This is possible with the embossing roll according to the invention and the embossing device according to the invention in a simple manner. Another wrapping material strip may then be wrapped around the embossed wrapping material strip and appropriately glued. The further wrapping material strip may be the otherwise usual wrapping material strip which is wrapped around strand material in a formatting device and sealed accordingly to shape and retain the strand material.
Die Vorrichtung zur Bearbeitung eines Umhüllungsmaterialstreifens für einen stabförmigen Artikel der Tabak verarbeitenden Industrie sieht entsprechend eine Prägevorrichtung umfassend eine oder zwei erfindungsgemäße Prägewalze(n) vor, mittels denen der Umhüllungsmaterialstreifen während einer längsaxialen Förderung des Umhüllungsmaterialstreifens prägbar ist oder geprägt wird, wobei stromaufwärts der Prägevorrichtung eine Befeuchtungsvorrichtung zum Befeuchten des Umhüllungsmaterialstreifens vorgesehen sein kann.The device for processing a wrapping material strip for a rod-shaped article of the tobacco processing industry Accordingly, there is provided an embossing apparatus comprising one or two embossing rollers according to the invention, by means of which the wrapping material strip is embossable or embossed during longitudinal axial conveyance of the wrapping material strip, wherein a moistening device for moistening the wrapping material strip may be provided upstream of the embossing device.
Vorzugsweise ist die Befeuchtungsvorrichtung zwischen einer Umhüllungsmaterialstreifenzugregelungsvorrichtung und der Prägevorrichtung vorgesehen. Durch diese Weiterbildung wird eine sehr präzise Befeuchtung des Umhüllungsmaterialstreifens ermöglicht.Preferably, the moistening device is provided between a wrapping material strip tension control device and the embossing device. This development enables a very precise moistening of the wrapping material strip.
Vorzugsweise ist eine Heizvorrichtung vorgesehen. Die Heizvorrichtung ist vorzugsweise im Bereich der Prägevorrichtung angeordnet und/oder in der Prägevorrichtung integriert. Die Heizvorrichtung kann beispielsweise in einer Prägewalze der Prägevorrichtung angeordnet sein. Ferner vorzugsweise ist eine Heizvorrichtung stromaufwärts der Befeuchtungsvorrichtung vorgesehen und/oder in der Befeuchtungsvorrichtung integriert. Vorzugsweise besprüht die Befeuchtungsvorrichtung erwärmtes Wasser bzw. eine erwärmte Flüssigkeit auf den Umhüllungsmaterialstreifen. Damit ist eine Heizvorrichtung vorgesehen, die die auf den Umhüllungsmaterialstreifen zu sprühende Flüssigkeit erwärmt.Preferably, a heating device is provided. The heating device is preferably arranged in the region of the embossing device and / or integrated in the embossing device. The heating device can be arranged for example in an embossing roll of the embossing device. Further preferably, a heater is provided upstream of the humidifier and / or integrated in the humidifier. Preferably, the moistening device sprays heated water or liquid onto the wrapper strip. Thus, a heating device is provided which heats the liquid to be sprayed onto the wrapping material strip.
Vorzugsweise ist eine Trocknungsvorrichtung unmittelbar stromabwärts der Prägevorrichtung vorgesehen, wodurch es ermöglicht ist, dass der Umhüllungsmaterialstreifen bei Kontakt mit dem Strangmaterial getrocknet wird bzw. im Wesentlichen getrocknet ist.Preferably, a drying device is provided immediately downstream of the embossing device, thereby allowing the wrapping material strip to be dried or substantially dried in contact with the strand material.
Besonders bevorzugt ist eine Variante, bei der die erfindungsgemäße Vorrichtung als Einschubvorrichtung oder Prozesseinheit einer Einschubvorrichtung ausgebildet ist, wobei die Einschubvorrichtung zwischen einer Filterstrangmaschine und einer Filtertowaufbereitungsmaschine oder einer Filtersegmentzusammenstellmaschine für Multisegmentfilter montiert ist oder montierbar ist, wobei die Einschubvorrichtung insbesondere eine Versorgungseinheit umfasst, die mit der Prozesseinheit lösbar verbindbar ist.Particularly preferred is a variant in which the inventive device as a slide-in device or process unit of a Insertion device is formed, wherein the insertion device between a filter rod machine and a filter tow preparation machine or a filter segment assembly machine for multi-segment filter is mounted or mountable, wherein the insertion device comprises in particular a supply unit which is releasably connectable to the process unit.
Bezüglich dieser bevorzugten Ausgestaltung der erfindungsgemäßen Vorrichtung wird insbesondere verwiesen auf die am 09.11.2011 beim Deutschen Patent- und Markenamt eingereichte Patentanmeldung der Anmelderin mit dem Aktenzeichen
Durch diese bevorzugte Maßnahme ist die Filterherstellung flexibler als bisher möglich, da durch die Einschubvorrichtung das Filtermaterial und/oder der Umhüllungsmaterialstreifen sehr variabel bearbeitet bzw. aufbereitet werden kann. Durch Vorsehen einer oder mehrerer Einschubvorrichtungen können auch verschiedene Bearbeitungs- bzw. Aufbereitungsprozesse vorgesehen werden, wobei durch Austauschen der jeweiligen Prozesseinheit durch eine andere Prozesseinheit eine andere Art der Aufbereitung bzw. Bearbeitung ermöglicht ist. Somit kann auch sehr schnell von der Herstellung einer Filterart zu einer weiteren Filterart gewechselt werden, wodurch der Filterwechsel sehr effizient gestaltet werden kann. Beispielsweise kann durch diese Maßnahme sehr schnell eine andere Art der Prägung auf dem Umhüllungsmaterialstreifen vorgesehen werden. Gemäß der Erfindung ist beispielsweise eine längsaxiale Prägung vorgesehen. Es könnten allerdings auch andere Arten der Prägungen vorgesehen sein, die dann auf der entsprechenden Einschubvorrichtung bzw. der Prozesseinheit einer Einschubvorrichtung möglich sind. Ferner kann auch ein anderes Umhüllungsmaterial entsprechend bearbeitet werden bzw. das Umhüllungsmaterial einfach mit einer anderen Flüssigkeit auch bei anderen Prozesstemperaturen verarbeitet bzw. bearbeitet werden. Hierzu muss beispielsweise lediglich die Prozesseinheit ausgetauscht werden, die mit der Versorgungseinheit dann verbunden wird.As a result of this preferred measure, the filter production is more flexible than hitherto possible, since the filter material and / or the wrapping material strip can be processed or processed very variably by the insertion device. By providing one or more slide-in devices, different processing or conditioning processes can also be provided, whereby a different type of processing or processing is made possible by exchanging the respective process unit with another process unit. Thus, it is also possible to change very quickly from the production of one type of filter to another type of filter, as a result of which the filter change can be designed very efficiently. For example, this measure can very quickly provide a different type of embossing on the wrapping material strip. According to the invention, for example, a longitudinal axial embossing is provided. However, other types of embossing could be provided, which are then possible on the corresponding insertion device or the process unit of a slide-in device. Further, another wrapping material may also be used be processed accordingly or the wrapping material easily processed or processed with another liquid at other process temperatures. For this purpose, for example, only the process unit must be replaced, which is then connected to the supply unit.
Erfindungsgemäß umfasst eine Filterherstellmaschine der Tabak verarbeitenden Industrie eine erfindungsgemäße vorgenannte Vorrichtung mit den entsprechenden vorgenannten Merkmalen.According to the invention, a filter manufacturing machine of the tobacco processing industry comprises an aforementioned device according to the invention with the corresponding aforementioned features.
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 Filterherstellmaschine mit einer Vorrichtung zur Bearbeitung eines Umhüllungsmaterialstreifens,
- Fig. 2
- einen Ausschnitt aus einer erfindungsgemäßen Prägevorrichtung in einer schematischen Darstellung,
- Fig. 3
- einen schematischen Ausschnitt aus einer anderen Ansicht der beiden Prägewalzen aus
Fig. 2 , - Fig. 4
- eine Schnittdarstellung eines Teils zweier erfindungsgemäßer Prägewalzen,
- Fig. 5
- einen Schnitt durch einen erfindungsgemäß hergestellten Filterstrang in schematischer Darstellung,
- Fig. 6
- einen Ausschnitt aus einer weiteren erfindungsgemäßen Prägevorrichtung in einer schematischen Darstellung und
- Fig. 7
- eine Schnittdarstellung eines Teils zweier weiterer erfindungsgemäßer Prägewalzen.
- Fig. 1
- a schematic view of a filter manufacturing machine with a device for processing a wrapping material strip,
- Fig. 2
- a detail of an embossing device according to the invention in a schematic representation,
- Fig. 3
- a schematic section of another view of the two embossing rollers
Fig. 2 . - Fig. 4
- a sectional view of part of two embossing rollers according to the invention,
- Fig. 5
- a section through a filter strand according to the invention in a schematic representation,
- Fig. 6
- a section of a further embossing device according to the invention in a schematic representation and
- Fig. 7
- a sectional view of part of two further embossing rollers according to the invention.
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.
Ein Umhüllungsmaterialstreifen 33 wird von außerhalb der Einschubvorrichtung oder alternativ von einem Vorrat in der Einschubvorrichtung 30, der nicht dargestellt ist und beispielsweise eine Bobine oder ein Bobinenwechsler sein kann, über Rollen 60 zunächst zu einer Umhüllungsmaterialstreifenzugregelungsvorrichtung 55, die dafür sorgt, dass der Umhüllungsmaterialstreifen mit einer möglichst konstanten vorgebbaren Zugkraft gefördert wird, gelenkt. Hieran schließt sich stromabwärts der Umhüllungsmaterialstreifenzugregelungsvorrichtung 55 eine Befeuchtungsvorrichtung 50 an, in der der Umhüllungsmaterialstreifen 33 befeuchtet wird, beispielsweise mit Wasser, das vorzugsweise mit einem Stabilisierungsmittel versetzt ist, beispielsweise Methylzellulose. Stromaufwärts und/oder stromabwärts der Befeuchtungsvorrichtung 50 kann eine Heizvorrichtung vorgesehen sein, um den Umhüllungsmaterialstreifen zu erwärmen. Die Heizvorrichtung kann beispielsweise Wärmestrahlung ausnutzen oder Heißluft kann hier verwendet werden. Bei Verwendung von Methylzellulose als Additiv, beispielsweise zu Wasser, ist die anschließende Prägung stabiler. Die Befeuchtung geschieht vorzugsweise so, dass der Umhüllungsmaterialstreifen 33 eine Feuchte von 5 bis 13 Massenprozent, insbesondere vorzugsweise von 7 bis 9 Massenprozent und insbesondere von 8 Massenprozent, beim Prägen aufweist. Die Befeuchtung geschieht in
Der befeuchtete Umhüllungsmaterialstreifen wird dann in Förderrichtung 90 über Umlenkrollen 60 zu einer Prägevorrichtung 36 gefördert. Die Prägevorrichtung 36 umfasst eine Prägewalze 34 und eine Prägewalze 35, die nachstehend noch näher erläutert werden. Hierdurch wird vorzugsweise eine längsaxiale Prägung des Umhüllungsmaterialstreifens erzielt, d.h. eine Prägung, die in einem Schnitt quer zur Längsachse des Umhüllungsmaterialstreifens eine Wellenform zeigt.The moistened wrapping material strip is then conveyed in the conveying
In
Wenigstens eine Prägewalze, in
Der geprägte Umhüllungsmaterialstreifen wird dann in der Strangmaschine 40 auf einen weiteren Umhüllungsmaterialstreifen 52 aufgelegt, und anschließend in einer nicht dargestellten Formatvorrichtung um den Filtertowstreifen 11 in der Formatvorrichtung gewickelt.The embossed wrapping material strip is then placed in the stranding
Der Umhüllungsmaterialstreifen 52 wird auf der Kleberseite 53 mittels einer Beleimvorrichtung 54 beleimt. Hierdurch ergibt sich eine sichere Verbindung des Umhüllungsmaterialstreifens 52 mit dem geprägten Umhüllungsmaterialstreifen 33. Der Umhüllungsmaterialstreifen 52 wird mittels der Umlenkrolle 62 entsprechend umgelen kt.The wrapping
Durch Vorsehen einer Umhüllungsmaterialstreifenspannungsregelung, die als Beispiel in
Alternativ kann auch vorgesehen sein, dass keine Befeuchtung stattfindet. Die Befeuchtungsvorrichtung 50 und auch die Heizvorrichtung bzw. die Heizvorrichtungen können dann wegfallen. Dieses kann beispielsweise bei einem Umhüllungsmaterialstreifen aus Zellulosefasern der Fall sein, der auch ohne Befeuchtung entsprechend durch Prägung plastisch und damit stabil verformt werden können.Alternatively, it can also be provided that no moistening takes place. The
Die Prägewalze 34 weist intermittierend Prägebereiche 72 bis 75 auf. Hierdurch werden auf dem Umhüllungsmaterialstreifen 33 entsprechende Bereiche geprägt und entsprechende Bereiche nicht geprägt. Diese sind jeweils abwechselnd in Förderrichtung angeordnet.The
Die Anordnung der Prägewalzen 34 und 35 ist bevorzugt vertauscht zu der in
Die äußeren Erhebungen der Prägewalze 35 umrahmen in diesem Ausführungsbeispiel die äußeren Erhebungen der Prägewalze 34 und sind stärker ausgeprägt, d.h. dass der Radius r4 der äußeren Erhebungen größer ist als der Radius r4 der Erhebungen im inneren Bereich der Prägewalze 35. Dadurch, dass der seitliche Abstand der Erhebungen der Prägewalze 34 zu der Prägewalze 35 so ist, dass zwischen den Flanken der Erhebungen weniger Abstand ist als die Dicke des Umhüllungsmaterialstreifens, der geprägt werden soll, klemmt der Umhüllungsmaterialstreifen zwischen diesen Flanken, weshalb ein Einziehen des Umhüllungsmaterialstreifens am Rand des Umhüllungsmaterialstreifens in den inneren Bereich der Prägewalzen verhindert wird. Hierdurch entsteht eine gleichmäßigere Prägung. Im Rahmen der Erfindung kann die Prägewalze 35 als erste Prägewalze aufgefasst werden und die Prägewalze 34 als Gegenwalze.The outer elevations of the
Es ist festzustellen, dass die Prägewalze 34 und die Prägewalze 35 so voneinander beabstandet sind, dass diese sich nicht berühren, um so eine Beschädigung des Umhüllungsmaterialstreifens zu verhindern. Je nach Wahl des Umhüllungsmaterialstreifens wird dieser Abstand entsprechend einzustellen sein. Es ist ferner festzustellen, dass die verwendeten Radien keine gemeinsamen Teiler aufweisen, um den Verschleiß der Prägewalzen zu minimieren.It should be noted that the
Es ist zudem ein vertikales Spaltmaß 76 in
Bei der Herstellung eines so genannten CV-Filters wird ein Umhüllungsmaterialstreifen, beispielsweise eine Papierbahn, durch eine Prägewalze mit kleinen aneinander liegenden Nuten mit Prägungen versehen. Das geprägte Papier bzw. der geprägte Umhüllungsmaterialstreifen befindet sich im späteren Produkt beispielsweise zwischen einem Filtertow und einem Filterumhüllungspapier, wie beispielsweise in
Erfindungsgemäß ist also eine Prägewalze bzw. ein Prägewalzenpaar angegeben, das zum Rand der Prägewalze eine ansteigende Prägetiefe aufweist.According to the invention, therefore, an embossing roller or an embossing roller pair is indicated, which is an ascending to the edge of the embossing roller Embossing depth has.
Es ist hierbei jeweils eine Prägegeometrie 42 bzw. 42' gezeigt, die beispielsweise als wellenförmig bezeichnet werden kann. Im inneren Bereich 45 entsprechen die Nuten und Erhebungen denen aus der
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 gekennzeichnet sind, vorzugsweise fakultative Merkmale.
Claims (11)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL13163060T PL2666624T3 (en) | 2012-05-23 | 2013-04-10 | Embossing roller |
CN201310194353.5A CN103416846B (en) | 2012-05-23 | 2013-05-23 | Press roller |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102012208612A DE102012208612A1 (en) | 2012-05-23 | 2012-05-23 | embossing roller |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2666624A1 true EP2666624A1 (en) | 2013-11-27 |
EP2666624B1 EP2666624B1 (en) | 2016-11-30 |
Family
ID=48326073
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP13163060.0A Active EP2666624B1 (en) | 2012-05-23 | 2013-04-10 | Embossing roller |
Country Status (4)
Country | Link |
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EP (1) | EP2666624B1 (en) |
CN (1) | CN103416846B (en) |
DE (1) | DE102012208612A1 (en) |
PL (1) | PL2666624T3 (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2015028644A3 (en) * | 2013-09-02 | 2015-05-21 | Philip Morris Products S.A. | Method and apparatus for manufacturing variable crimped web material |
WO2019123210A1 (en) * | 2017-12-22 | 2019-06-27 | G.D S.P.A. | Method and unit for crimping a web of material for the tobacco industry |
JP2021533741A (en) * | 2018-08-21 | 2021-12-09 | フィリップ・モーリス・プロダクツ・ソシエテ・アノニム | A device for crimping a band of material |
US11350660B2 (en) * | 2017-04-28 | 2022-06-07 | Philip Morris Products S.A. | Method and apparatus for manufacturing a crimped sheet of material |
US11730185B2 (en) | 2014-11-03 | 2023-08-22 | Philip Morris Products S.A. | Method and apparatus for manufacturing a crimped web |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102013223076A1 (en) * | 2013-11-13 | 2015-05-13 | Hauni Maschinenbau Ag | embossing roller |
DE102014203620A1 (en) * | 2014-02-27 | 2015-08-27 | Hauni Maschinenbau Ag | Method and apparatus for producing a strand of the tobacco processing industry |
US9643812B2 (en) * | 2014-03-06 | 2017-05-09 | The Procter & Gamble Company | Method for pleating or shaping a web |
BR112019023420B1 (en) * | 2017-05-15 | 2023-11-14 | Philip Morris Products S.A. | APPARATUS FOR CRIMPING A SHEET OF MATERIAL, METHOD FOR MANUFACTURING A CRIMPED SHEET, CRIMPED SHEET AND AEROSOL GENERATING ARTICLE |
CN113443225A (en) * | 2021-06-28 | 2021-09-28 | 苏州安洁科技股份有限公司 | Local pressing process of cold seal paper |
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- 2012-05-23 DE DE102012208612A patent/DE102012208612A1/en not_active Withdrawn
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2013
- 2013-04-10 EP EP13163060.0A patent/EP2666624B1/en active Active
- 2013-04-10 PL PL13163060T patent/PL2666624T3/en unknown
- 2013-05-23 CN CN201310194353.5A patent/CN103416846B/en active Active
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DE1436890A1 (en) * | 1964-11-30 | 1968-11-07 | Eugene Ivanoff | Method for the continuous production of nipped paper, machine for practicing this method, and nipped paper produced in this way |
GB1124434A (en) * | 1966-05-31 | 1968-08-21 | Celfil Co | Method of and apparatus for making filtering material for cigarettes |
UST861002I4 (en) * | 1968-12-09 | 1969-04-01 | Fritz tow-treating process | |
CH670420A5 (en) * | 1986-04-03 | 1989-06-15 | Baumgartner Papiers Sa | Paper creping machine for cigarette filter manufacture - uses rollers with ribs increasing in number to form central groove first then adding outer grooves |
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Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
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WO2015028644A3 (en) * | 2013-09-02 | 2015-05-21 | Philip Morris Products S.A. | Method and apparatus for manufacturing variable crimped web material |
US10905155B2 (en) | 2013-09-02 | 2021-02-02 | Philip Morris Products S.A. | Method and apparatus for manufacturing variable crimped web material |
US11730185B2 (en) | 2014-11-03 | 2023-08-22 | Philip Morris Products S.A. | Method and apparatus for manufacturing a crimped web |
US11350660B2 (en) * | 2017-04-28 | 2022-06-07 | Philip Morris Products S.A. | Method and apparatus for manufacturing a crimped sheet of material |
WO2019123210A1 (en) * | 2017-12-22 | 2019-06-27 | G.D S.P.A. | Method and unit for crimping a web of material for the tobacco industry |
EP3727042B1 (en) | 2017-12-22 | 2022-11-30 | G.D S.p.A. | Method and unit for crimping a web of material for the tobacco industry |
US11864580B2 (en) | 2017-12-22 | 2024-01-09 | G.D S.P.A. | Method and unit for crimping a web of material for the tobacco industry |
JP2021533741A (en) * | 2018-08-21 | 2021-12-09 | フィリップ・モーリス・プロダクツ・ソシエテ・アノニム | A device for crimping a band of material |
JP7381559B2 (en) | 2018-08-21 | 2023-11-15 | フィリップ・モーリス・プロダクツ・ソシエテ・アノニム | Device for crimping strips of material |
Also Published As
Publication number | Publication date |
---|---|
CN103416846B (en) | 2017-08-04 |
PL2666624T3 (en) | 2017-06-30 |
DE102012208612A1 (en) | 2013-11-28 |
CN103416846A (en) | 2013-12-04 |
EP2666624B1 (en) | 2016-11-30 |
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