CN115209747A - Device and method for producing strips for the tobacco processing industry - Google Patents
Device and method for producing strips for the tobacco processing industry Download PDFInfo
- Publication number
- CN115209747A CN115209747A CN202180021896.XA CN202180021896A CN115209747A CN 115209747 A CN115209747 A CN 115209747A CN 202180021896 A CN202180021896 A CN 202180021896A CN 115209747 A CN115209747 A CN 115209747A
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- Prior art keywords
- flat web
- strips
- embossing
- rod
- strip
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- 241000208125 Nicotiana Species 0.000 title claims abstract description 29
- 235000002637 Nicotiana tabacum Nutrition 0.000 title claims abstract description 29
- 238000012545 processing Methods 0.000 title claims abstract description 19
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 14
- 238000004049 embossing Methods 0.000 claims abstract description 52
- 238000007373 indentation Methods 0.000 claims description 27
- 239000000463 material Substances 0.000 claims description 26
- 238000000034 method Methods 0.000 claims description 16
- 239000011888 foil Substances 0.000 description 10
- 238000000926 separation method Methods 0.000 description 4
- 239000011111 cardboard Substances 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 239000000123 paper Substances 0.000 description 3
- 239000011087 paperboard Substances 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000007858 starting material Substances 0.000 description 2
- 238000009966 trimming Methods 0.000 description 2
- 125000003118 aryl group Chemical group 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000004886 process control Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000004804 winding Methods 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
- A24C5/14—Machines of the continuous-rod type
-
- 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
- A24C5/14—Machines of the continuous-rod type
- A24C5/18—Forming the rod
- A24C5/1828—Forming the rod by cutting tobacco sheet material
-
- 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
- A24C5/39—Tobacco feeding devices
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
- A24D1/00—Cigars; Cigarettes
- A24D1/20—Cigarettes specially adapted for simulated smoking devices
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
- A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
- A24D3/02—Manufacture of tobacco smoke filters
- A24D3/0204—Preliminary operations before the filter rod forming process, e.g. crimping, blooming
Landscapes
- Cigarettes, Filters, And Manufacturing Of Filters (AREA)
- Manufacturing Of Cigar And Cigarette Tobacco (AREA)
Abstract
The invention relates to a device (2) and a method for producing a rod (4) of the tobacco processing industry, comprising a supply device (10), a separating device (12) and a rod forming device (20), wherein the supply device (10) is set up for supplying a flat web (6) and feeding the flat web to the separating device (12) arranged downstream of the supply device (10), the separating device (12) is set up for separating the flat web (6) into a plurality of strips (14), and the rod forming device (20) arranged downstream of the separating device (12) is set up for forming a rod (4) from the plurality of strips (14). The device (2) is improved by an embossing device (30), which embossing device (30) is arranged between the providing device (10) and the strip forming device (20) and is set up for applying impressions into the flat web (6) or into the strips (14).
Description
Technical Field
The invention relates to a device for producing strips for the tobacco processing industry, comprising a supply device, a separating device, a strip-forming device and an embossing device, wherein the supply device is set up for supplying a flat web and feeding the flat web to the separating device arranged downstream of the supply device, the separating device is set up for separating the flat web into a plurality of strips, the strip-forming device arranged downstream of the separating device is set up for forming strips from the plurality of strips, and the embossing device is arranged between the supply device and the strip-forming device and is set up for applying impressions to the flat web or the plurality of strips. The invention also relates to a method for producing a rod for the tobacco processing industry, comprising the following steps: the method comprises the steps of providing a flat web with a providing device and conveying the flat web to a separating device arranged downstream of the providing device, separating the flat web into a plurality of strips with the separating device, forming strips from the plurality of strips with a strip forming device, and embossing the flat web or the plurality of strips.
Background
DE 1 954 036 A1 discloses a device for producing strips for the tobacco processing industry, which device comprises a separating device, by means of which a flat web is separated into individual strips. The flat web is cut into parallel strips by means of a disc knife cutting device. The strips are then combined into strips and surrounded with a wrap. In this known device, a flat web of reconstituted tobacco material is processed. The produced and wrapped rod is then cut into sections of predetermined length, so that rod-shaped articles of the tobacco processing industry can be produced. A further device for producing a rod made of reconstituted tobacco material is known from DE 10 2018 106 826. The device comprises a separating device which is set up to separate a flat web made of reconstituted tobacco material into a plurality of strips, wherein directly adjacent strips are separated from each other along a predetermined separation line in an active region by means of the separating device, and wherein the flat web is torn apart from each other along the separation line by stretching the flat web strongly transversely to the separation line.
In the production of tobacco rods made of strips, which are cut or separated from reconstituted tobacco material, the strips are formed into a tobacco rod to a standard and then are placed against one another and wrapped by means of a combining machine. However, the quality of the starting material, i.e. the foil made of reconstituted tobacco material (also known as "Recon foil") fluctuates. This results in fluctuations in the mechanical hardness and the tensile resistance (Zugwiderstand) of the tobacco rods produced. Since these two parameters are important quality parameters, it is desirable to influence, and ideally control, these parameters during production. This may avoid unnecessary waste or even production stoppages.
Disclosure of Invention
The object of the present invention is to provide a device for producing a rod for the tobacco processing industry and a method for producing a rod for the tobacco processing industry, wherein the quality of the rod for the tobacco processing industry produced by means of the device or the method should be better controllable.
This object is achieved by an apparatus for producing a rod for the tobacco processing industry, comprising a supply device, a separating device, a rod-forming device and an embossing device, wherein,
● The supply device is set up for supplying the flat web and conveying it to a separating device arranged downstream of the supply device,
● The separating device is set up for separating the flat web into a plurality of strips,
● The strip-forming device arranged downstream of the separating device is set up for forming strips from a plurality of strips and
● The embossing device is arranged between the supply device and the strip-forming device and is set up for applying impressions into the flat web or into the strips,
wherein the device is improved by: the embossing device comprises an adjusting device with which the height of the indentations can be changed, and which comprises at least one sensor unit and a control unit coupled to the sensor unit, wherein the at least one sensor unit is set up for measuring at least one physical parameter of the flat web and/or the strip and/or the rod-shaped article made from the strip and the control unit is set up for controlling and/or adjusting the height of the indentations with the adjusting device depending on the measured physical parameter.
The indentations applied into the flat web or strips are a texturing of the material. Projections and/or depressions are applied to the material, these projections and/or depressions being arbitrary according to their shape. Such as dots, circles, ellipses, knurls, crosses, polygons, combinations of these shapes, or non-uniform shapes may also be applied as the shape of the indentations. By pressing the three-dimensional shape into the foil or strip, the strip present in the strip results in a higher filling capacity (fillkraft). That is, the filling capacity of the embossed tape is higher compared to the unembossed tape. If the flat web is embossed, the texture of the flat web is retained in the separation itself in the separating device, i.e. the produced strip is also embossed or textured.
In addition to this it has been demonstrated that: the unembossed strip is partially inclined to form a stacked arrangement (hereinafter referred to simply as a "stack") within the strip. That is to say, the strips are arranged one above the other in the stack, viewed in cross section of the strip, with their flat sides contacting one another at least in sections over almost their entire surface. Such stacking within the rod results in that not the entire strip surface is available in the finished rod-shaped article of the tobacco processing industry. The inner surfaces of the strips in the stack, which are directly above each other, are inaccessible for air flow, for example. These surfaces can therefore emit aromatic and effect substances to the air stream only to a small extent. In addition to this, the stack has an undesirable effect on the resistance to pulling. With a constant mass maintained within the rod-shaped article, the tensile resistance is smaller in articles with a large number of stacks than in articles without stacks.
The indentation of the flat web advantageously prevents the strips of the strip from forming a stack, i.e. lying against one another over the entire surface at least in sections. The technical drawbacks outlined above may be reduced or completely avoided.
The indentation of the strip also has the following advantages: the individual protrusions and depressions of the indentation cause the strips to hook over each other. This reduces the possibility of individual strips falling out of the rod-shaped article at the head end or being sucked out during use of the rod-shaped article. That is, the individual ribbon positions are more stable and less fiber shifting occurs. This has advantages not only in the end product but also in the handling of the rod-shaped articles. Since the rod-shaped articles are conveyed with compressed air several times during the production process, the improved positional stability of the individual strips is advantageous with regard to the quality achievable with the individual rod-shaped articles. In other words, the possibility of a single strip protruding from its end side caused by handling at the head region of the rod-shaped article during production is reduced.
It can be found that: the positional stability of the imprinted ribbon is improved by up to 40%. In tests in which the strip was extruded from a rod-shaped article by means of a ram, an improvement of up to a maximum of 40% for overcoming the static friction was obtained in the case of the strip being embossed compared with the case of the strip without indentations. In addition to this, the mechanical hardness and the tensile resistance can be increased by indentation at the same weight.
The flat web may be reconstituted tobacco material (Recon foil). The flat web can be manufactured according to the pulp process (slury Verfahren) or according to the paper process (Papierverfahren). The flat web can likewise be a foil, for example a PLA foil. The flat web can likewise be made of paper or cardboard. In the case, for example, of a rod-shaped HNB article (HNB stands for heat non-burning "heat not burn") made from Recon foil, the cooling element, spacer element or filter element for or as a rod-shaped article in the tobacco processing industry can be made from foil, paper or cardboard.
The embossing device comprises an adjusting device with which the height of the indentation can be changed. The height of the indentations is the maximum distance of the projections or depressions from the plane in which the surrounding material of the flat web or strip extends. Only the value of this spacing is taken into account, that is to say no distinction is made between a projection and a depression with regard to its height. The change in elevation advantageously allows for a change in the three-dimensional shape of the strip. The three-dimensional shape then appears more pronounced (large height) or weaker (small height). Indentations with a large height, in which the individual protrusions and depressions protrude a relatively large distance from the plane of the flat web or from the plane of the strip, contribute to an increased filling capacity of the strip.
According to one embodiment, the device is modified by: the adjusting device is designed to vary the pressure exerted by the embossing device, in particular by at least one embossing roller, on the flat web or the strips. The change in the pressure exerted by the embossing roll or rolls on the flat web or strips provides a simple adjustment with which the height of the indentations and thus for example the filling capacity of the strips can be changed.
The device comprises at least one sensor unit and a control unit coupled to the sensor unit. At least one sensor unit is set up for measuring at least one physical parameter of the flat web and/or the strip and/or the rod-shaped article made of the strip. The control unit is designed to control and/or adjust the height of the indentation according to the measured physical parameter by means of the adjusting device.
The device comprises at least one sensor unit which is set up to measure at least one physical parameter of the flat web, strip or rod-shaped article produced. It goes without saying that a plurality of sensor units can also be provided, so that in each case at least one physical parameter can be measured at one point, for example on a flat web, or the same parameter, for example the tensile resistance, can be measured at a plurality of points of the production process, that is to say for example on a strip or additionally on a rod-shaped article. It goes without saying that any combination of these measurements is also possible.
The device according to this embodiment allows for a comprehensive process control.
According to a further advantageous embodiment, the device is improved in that: the sensor unit is a thickness measuring device which is set up to measure the material thickness of the flat web as a physical parameter of the flat web. Alternatively, the device is modified according to a further embodiment in such a way that: the sensor unit is designed to measure the mechanical stiffness and/or the tensile resistance of the strip and/or rod-shaped article as a physical parameter.
The thickness measuring device is in particular a contactless operating thickness measuring device. For example, the thickness of the material is measured using an optical system or an ultrasonic system.
If it is desired to measure the tensile resistance of individual rod-shaped articles, the rod-forming device is, according to a further embodiment, also set up for slitting the produced rod into individual rod-shaped articles, and the sensor unit is set up for carrying out individual inspections of the slit rod-shaped articles.
When measuring the material thickness of a flat web, it is possible to confirm whether the quality fluctuates. This is the case in many cases. Fluctuations in the material thickness of the flat web can be compensated for by the corresponding influence of the indentations. The thinner the flat web, that is to say the smaller the material thickness, the stronger the impression, that is to say the greater the height of the individual elevations and/or depressions.
The intensity of the embossing can be present in the device as a control parameter and/or a regulating parameter, so that a very constant process can be run. The control of the embossing strength, according to an embodiment, the pressure applied to the flat web or strips by means of the embossing rollers can be controlled or regulated as described, for example, in EP 0 242 824 B1. There, the height of the trimming disk is varied by means of a servomotor in order to keep the mechanical properties of the finished cigarette constant. Instead of the height of the trimming disk being set by the servomotor, the pressure of the embossing roller can be used, for example, in the control or regulation effected according to the invention. Sensor units for determining the mechanical stiffness and/or the tensile resistance of a strip are known, for example, from EP 0 284 640 B1.
According to a further advantageous embodiment, the embossing is performed intermittently. In other words, this means that the embossing device is set up for intermittently applying impressions into the flat web or into a plurality of strips. This means that the flat web or strips are equipped with indentations in sections. The flat web is in the non-embossed state in regions, and in the following sections it is in the embossed state again. These embossed and unembossed areas alternate, preferably the areas alternate regularly.
In particular, it is provided that the position of the imprinted and unembossed areas is coordinated with the position of the bands in the rod-shaped article being produced. Corresponding posture adjustments can also be made or provided here. In this way, rod-shaped articles can advantageously be provided which comprise embossed strips in certain regions and unembossed strips in further regions. For example, unembossed strip can be present in the region of the head end, so that a heating mandrel, heating plate or the like can be easily pushed in this region. Such a rod-like article is for example an HNB article.
The indentations may also vary in the longitudinal direction of the flat web. This means that the imprint may be weaker in some areas than in other areas. Here, it is also possible to alternate, in particular to alternate regularly, weakly embossed and more strongly embossed regions, as described above with regard to unembossed and embossed regions. Similar advantages are obtained.
The indentation may likewise be continuously variable and follow, for example, a periodic function. In other words, the height of the indentations then varies periodically along the longitudinal extension of the strip. In this way, rod-shaped articles may be provided which comprise strips, the indentations of which increase, for example, from the head end in the direction of the mouth section. It goes without saying that an opposite impression strength profile can also be provided.
According to a further advantageous embodiment, the device is improved in such a way that: the embossing device is arranged between the supply device and the separating device and is set up for applying impressions into the flat web.
According to an advantageous further development: the supply device comprises a pair of draw rolls which are set up for drawing the flat web off the reel of the supply device, and the embossing device is arranged between the pair of draw rolls and the separating device.
The object is also achieved by a method for producing a rod for the tobacco processing industry, comprising the following steps:
● The flat web is supplied by means of a supply device and conveyed to a separating device arranged downstream of the supply device,
● The flat web is separated into a plurality of strips by means of a separating device,
● Forming a strip from a plurality of strips by means of a strip-forming device,
● The flat web or a plurality of strips is embossed,
wherein the method is improved by: the embossing device is adjusted by means of an adjusting device in such a way that the height of the indentations is changed, wherein physical parameters of the flat web and/or the strip and/or the rod-shaped article made from the strip are measured by means of a sensor unit and by means of a control unit coupled to the sensor unit and the height of the indentations is controlled and/or adjusted by means of the adjusting device depending on the measured physical parameters.
The same or similar advantages as those already mentioned in connection with the device apply to the method for manufacturing a rod for the tobacco processing industry. The method provides additional control and/or adjustment parameters, i.e. the intensity of the imprint, relative to conventional methods. This advantageously allows a constant process or compensation for variations in the starting material by active readjustment of the parameters.
According to a further advantageous embodiment, the method is improved in that: the pressure exerted by the embossing device, in particular by at least one embossing roller, on the flat web or on the strips is varied by means of the adjusting device.
According to a further embodiment: the material thickness of the flat web is measured as a physical parameter by means of a sensor unit.
According to a further advantageous embodiment: the mechanical stiffness and/or the tensile resistance of the strip and/or rod-shaped article is measured as a physical parameter by means of a sensor unit.
If it is desired to measure a physical parameter of the rod-shaped articles, the individual rod-shaped articles are cut from the produced rod by means of a rod-forming device. The individual rod-shaped articles are measured with the sensor unit, for example, in terms of mechanical stiffness and/or tensile resistance.
The method is further improved according to a further advantageous embodiment in that: the flat web is embossed with an embossing device.
Further features of the invention will be apparent from the description of embodiments according to the invention and from the claims and the drawings. Embodiments in accordance with the present invention may implement a single feature or a combination of features.
Drawings
Without limiting the general inventive concept, the invention is described below with reference to the accompanying drawings by way of example, wherein reference is explicitly made to the accompanying drawings with regard to all details according to the invention which are not described in detail in the text. Wherein:
figure 1 shows a schematic simplified side view of a device for producing rods for the tobacco processing industry,
FIG. 2 shows a top view of a flat web being embossed and
fig. 3 shows a cross-sectional view of a rod-shaped article of the tobacco processing industry, which is produced from a plurality of non-embossed strips.
Detailed Description
Within the framework of the invention, features marked with "in particular" or "preferred" are to be understood as optional features.
In the drawings, identical or similar elements and/or parts are provided with the same reference symbols, respectively, so that a repeated description is respectively omitted.
Fig. 1 shows, in a schematic simplified diagram, an apparatus 2 for producing strips 4 from a flat web 6. The flat web 6 is supplied by a supply device 10 and is unwound, for example, from a reel 8. The material of the flat web 6 is for example reconstituted tobacco material (Recon), foil, for example PLA foil, paper or cardboard. The flat web 6 is fed to a separating device 12 comprised by the device 2. The separating device 12 is set up for separating the flat web 6 into a plurality of strips 14. The strips 14 extend in a strip plane, which in the illustration of fig. 1 is perpendicular to the plane of the paper. A schematic top view of a plurality of produced strips 14 is shown in fig. 1 as a detail view, wherein the view is turned 90 ° out of the plane of the paper for the sake of clarity.
The strips 14 running substantially parallel to one another are conveyed, for example, via transport rollers 16 in the direction of a feed hopper 18 of a strip forming device 20. Instead of the transport rollers 16, smooth, planar guides, for example plates or the like, can also be provided, on which the strip 14 is pulled and/or pushed. However, it has proved advantageous: the separated strips 14 are not diverted until they reach the feed hopper 18 of the strip-forming device 20. The strip forming apparatus 20 is the part of the apparatus 2 used to make the strip 4. In the strip forming apparatus, the strip 4 is formed from a plurality of strips 14. The strip formation takes place, for example, in a format channel 22, which is only schematically outlined. After the strip is formed, the strip 4 may be cut into individual rod-like articles 24 of a desired length.
The separating device 12 for separating the flat web 6 comprises a first roll 26 and a second roll 28 cooperating with the first roll. The two rollers 26, 28 are not in mechanical contact with each other. The first roller 26 rotates about a first axis of rotation 27 and the second roller 28 rotates about a second axis of rotation 29. The separating device 12 is designed, for example, as described in DE 10 2018 106 826 A1 of the applicant Hauni machines llc (Hauni Maschinenbau GmbH).
The apparatus 2 further comprises an embossing device 30 arranged between the providing device 10 and the strip-forming device 20. In the exemplary embodiment shown, the embossing device 30 is arranged between the supply device 10 and the separating device 12 and is set up for applying impressions into the flat web 6. According to a further embodiment, provision is also made for: the supply device 10 comprises a pair of draw rolls 32, which are set up to draw the flat web 6 off the reel drum 8 of the supply device 10. The embossing device is arranged between the pair of pulling rolls 32 and the separating device 12. In this way, the embossing device 30 does not have to exert a pulling force on the flat web 6.
The embossing device 30 is composed of an embossing roller pair, for example. According to a further embodiment, the embossing device 30 is arranged downstream of the separating device 12 and in such an arrangement does not emboss the flat web 6 but the strips 14 made of the flat web 6 by means of the separating device 12. An alternative position of the embossing device 30 is shown in fig. 1 by dashed lines. The following explanations regarding the flat web 6 and its creasing thus apply in the same way also to the strips 14 and their creasing.
A texture is applied to the flat web 6 by means of the embossing device 30. Projections and/or depressions are pressed into the material of the flat web 6, these projections and/or depressions being arbitrary according to their shape.
Fig. 2 shows, for example, a plan view of a flat web 6, which comprises recesses 34, which are circular and are arranged in a regular grid, as indentations, of which only a few are provided with reference signs for the sake of clarity.
The embossing device 30 comprises, for example, an adjusting device, not shown in fig. 1, with which the height of the impressions can be changed. Such a regulating device is set up, for example, to vary the pressure exerted by the embossing device 30, for example, by a schematically illustrated embossing roller, on the flat web 6. A depression with a greater depth is obtained at higher pressures than at lower pressures. The depressions are formed on the rear side of the flat web as elevations which, viewed perpendicularly to the plane in which the surrounding material extends, can be assigned a height, i.e. a distance from the surrounding material. In other words, the indentation can then also be characterized by the height of the indentation.
The device 2 for example also comprises a thickness measuring device 36 as a sensor unit. The thickness measuring device 36 is set up to measure the material thickness of the flat web 6 as a physical parameter of the flat web 6. The device 2 also comprises, for example, a further sensor unit 35, which is designed to measure the mechanical stiffness and/or the tensile resistance of the strip 4. Alternatively or additionally, a further sensor unit 35 is provided, which is designed to measure the mechanical stiffness and/or the tensile resistance of the individual rod-shaped articles 24. All these sensor units 35 are coupled to the control unit 38 via suitable data connections, which are not shown for the sake of clarity. The embossing device 30 is also coupled to the control unit 38 via a data connection, which is not shown for the sake of clarity. The control unit 38 receives measurements relating to, for example, the material thickness of the flat web 6, the stiffness or the tensile resistance of the strip 4 or of the individual articles 24 and controls and/or adjusts the height of the impressions applied by the embossing device 30 into the flat web 6 as a function of these measurements. This adjustment is effected, for example, via the pressure exerted by the impression roller pair on the flat web 6. In this way, fluctuations in the thickness of the flat web 6 can be compensated for. In the case of a smaller material thickness of the flat web 6, a stronger embossing takes place, which counteracts the loss of tensile resistance and/or mechanical stiffness of the strip or individual rod-shaped article 24 that would otherwise occur due to the smaller material thickness.
The impressions applied into the flat web 6 have, among other things, the following advantages: the stack 40 of individual strips is not formed in the rod-shaped article 24. This should be explained, for example, in the simplified cross-sectional view shown in fig. 3, which shows a cross-section through a rod-shaped article 24 that comprises a single strip that is not embossed.
The marked region in the cross-sectional view shown has stacks 40 of individual strips, in which the flat sides of the strips lie approximately plane-parallel above one another. In the region of such a stack 40, the available surface of the individual strips 14 is reduced.
By embossing the flat web 6 and therefore also the single strips 14, as exemplarily shown in fig. 2, it is possible to avoid that the strips 14 are entirely superimposed on each other. The stack is not formed.
All the mentioned features, the features which are known individually from the figures and the individual features which are disclosed in combination with further features are also considered to be essential to the invention, individually and in combination. Embodiments according to the present invention may be realized by means of individual features or combinations of features.
List of reference numerals
2. Device for measuring the position of a moving object
4. Strip for packaging articles
6. Flat web
8. Winding drum
10. Providing device
12. Separating device
14 strips
16. Transport roller
18. Feeding funnel
20. Strip forming device
22. Specification passage
24. Article with a cover
26. First roller
27. First axis of rotation
28. Second roll
29. Second axis of rotation
30. Imprint apparatus
32. Pulling roller pair
34. Recesses
35. Sensor unit
36. Thickness measuring device
38. Control unit
40. And a stacking part.
Claims (11)
1. Device (2) for producing a rod (4) of the tobacco processing industry, comprising a supply device (10), a separating device (12), a rod forming device (20) and an embossing device (30), wherein,
● The supply device (10) is set up for supplying a flat web (6) and conveying it to the separating device (12) arranged downstream of the supply device (10),
● The separating device (12) being set up for separating the flat web (6) into a plurality of strips (14),
● The strip-forming device (20) arranged downstream of the separating device (12) is set up for forming strips (4) from the plurality of strips (14), and
● The embossing device (30) is arranged between the supply device (10) and the strip forming device (20) and is designed to apply an impression into the flat web (6) or into a plurality of strips (14), characterized in that the embossing device (30) comprises an adjustment device, with which the height of the impression can be changed, and that the device comprises at least one sensor unit (35) and a control unit (38) coupled thereto, wherein the at least one sensor unit (35) is designed to measure at least one physical parameter of the flat web (6) and/or of the strips (4) and/or of rod-shaped articles (24) made from the strips (4), and the control unit (38) is designed to control and/or adjust the height of the impression with the adjustment device as a function of the measured physical parameter.
2. Device (2) according to claim 1, characterized in that the adjusting device is set up for varying the pressure applied by the embossing device (30), in particular by at least one embossing roller, onto the flat web (6) or the strips (14).
3. Device (2) according to claim 1 or 2, characterized in that the sensor unit (35) is a thickness measuring device (36) which is set up for measuring the material thickness of the flat web (6) as a physical parameter of the flat web (6).
4. Device (2) according to claim 1 or 2, characterized in that the sensor unit (35) is set up for measuring the mechanical stiffness and/or the tensile resistance of the strip (4) and/or the rod-shaped article (24) as a physical parameter.
5. Device (2) according to any one of claims 1 to 4, characterized in that the embossing device (30) is arranged between the providing device (10) and the separating device (12) and is set up for applying the impressions into the flat web (6).
6. Device (2) according to claim 5, characterized in that the providing device (10) comprises a pair of pulling rollers (32) set up for drawing the flat web (6) away from a reel (8) of the providing device (10), and in that the embossing device (30) is arranged between the pair of pulling rollers (32) and the separating device (12).
7. Method for manufacturing a rod (4) for the tobacco processing industry, comprising the steps of:
● -providing a flat web (6) with a providing device (10) and conveying the flat web (6) to a separating device (12) arranged downstream of the providing device (10),
● -separating the flat web (6) into a plurality of strips (14) by means of the separating device (12),
● Forming a strip (4) from the plurality of strips (14) with a strip forming device (20),
● Embossing the flat web (6) or the plurality of strips (14),
characterized in that the embossing device (30) is adjusted with an adjusting device in such a way that the height of the indentations is changed, wherein a physical parameter of the flat web (6) and/or the strips (4) and/or the rod-shaped articles (24) made from the strips (4) is measured with a sensor unit (35) and with a control unit (38) coupled thereto, and the height of the indentations is controlled and/or adjusted with the adjusting device depending on the measured physical parameter.
8. Method according to claim 7, characterized in that the pressure exerted by the embossing device (30), in particular by at least one embossing roller, on the flat web (6) or the strips (14) is varied by means of the adjusting device.
9. Method according to claim 7 or 8, characterized in that the material thickness of the flat web (6) is measured as a physical parameter with the sensor unit (35).
10. Method according to claim 7 or 8, characterized in that the mechanical stiffness and/or the tensile resistance of the strip (4) and/or the rod-shaped article (24) is measured as a physical parameter by means of the sensor unit (35).
11. Method according to any one of claims 7 to 10, characterized in that the flat web (6) is embossed with the embossing device (30).
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102020107421.2A DE102020107421A1 (en) | 2020-03-18 | 2020-03-18 | Apparatus and method for making a strand in the tobacco processing industry |
| DE102020107421.2 | 2020-03-18 | ||
| PCT/EP2021/055996 WO2021185646A1 (en) | 2020-03-18 | 2021-03-10 | Device and method for producing a rod of the tobacco processing industry |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115209747A true CN115209747A (en) | 2022-10-18 |
Family
ID=74884918
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202180021896.XA Pending CN115209747A (en) | 2020-03-18 | 2021-03-10 | Device and method for producing strips for the tobacco processing industry |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP4099851B1 (en) |
| CN (1) | CN115209747A (en) |
| DE (1) | DE102020107421A1 (en) |
| WO (1) | WO2021185646A1 (en) |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3299895A (en) * | 1962-03-08 | 1967-01-24 | American Mach & Foundry | Cigarette or cigar making machine and method |
| US3589373A (en) | 1968-10-28 | 1971-06-29 | Amf Inc | Cigarette making machine |
| DE3613957C1 (en) | 1986-04-24 | 1987-06-25 | Bat Cigarettenfab Gmbh | Method and device for regulating at least two of the physical properties of a strand made of smokable material which are decisive for the quality of the finished product |
| DE3779903D1 (en) | 1987-04-02 | 1992-07-23 | Bat Cigarettenfab Gmbh | DEVICE FOR CONTINUOUSLY DETERMINING TWO PHYSICAL PROPERTIES OF THE COMPONENTS OF A SMOKABLE ARTICLE. |
| JP3741554B2 (en) | 1998-12-09 | 2006-02-01 | 日本たばこ産業株式会社 | Web embossing device used in the manufacture of smoking articles |
| LT3136881T (en) | 2014-08-13 | 2018-01-10 | Philip Morris Products S.A. | Method of making a rod for use as an aerosol-forming substrate having controlled porosity distribution |
| EP3214959B1 (en) * | 2014-11-03 | 2019-10-09 | Philip Morris Products S.a.s. | Method and apparatus for manufacturing a crimped web |
| JP6360562B2 (en) * | 2014-11-28 | 2018-07-18 | 株式会社ダイセル | Tow band crimp inspection method, tow band manufacturing method, tow band crimp inspection apparatus, and tow band manufacturing apparatus |
| 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 |
| DE102018106826A1 (en) | 2018-03-22 | 2019-09-26 | Hauni Maschinenbau Gmbh | Apparatus and method for making a string of reconditioned tobacco material |
-
2020
- 2020-03-18 DE DE102020107421.2A patent/DE102020107421A1/en active Pending
-
2021
- 2021-03-10 CN CN202180021896.XA patent/CN115209747A/en active Pending
- 2021-03-10 EP EP21712429.6A patent/EP4099851B1/en active Active
- 2021-03-10 WO PCT/EP2021/055996 patent/WO2021185646A1/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| EP4099851A1 (en) | 2022-12-14 |
| DE102020107421A1 (en) | 2021-09-23 |
| EP4099851B1 (en) | 2024-01-10 |
| WO2021185646A1 (en) | 2021-09-23 |
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