EP2641481A1 - Machine de fabrication et procédé de fonctionnement d'une machine de fabrication d'articles en forme de tiges de l'industrie de traitement du tabac - Google Patents

Machine de fabrication et procédé de fonctionnement d'une machine de fabrication d'articles en forme de tiges de l'industrie de traitement du tabac Download PDF

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Publication number
EP2641481A1
EP2641481A1 EP13158885.7A EP13158885A EP2641481A1 EP 2641481 A1 EP2641481 A1 EP 2641481A1 EP 13158885 A EP13158885 A EP 13158885A EP 2641481 A1 EP2641481 A1 EP 2641481A1
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EP
European Patent Office
Prior art keywords
strand
wrapping material
material strip
image data
embossing
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
Application number
EP13158885.7A
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German (de)
English (en)
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EP2641481B1 (fr
Inventor
Ingo Drews
Hans-Henning Kock
Siegfried Hapke
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Koerber Technologies GmbH
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Hauni Maschinenbau GmbH
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    • 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
    • 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
    • A24C5/32—Separating, ordering, counting or examining cigarettes; Regulating the feeding of tobacco according to rod or cigarette condition
    • A24C5/34—Examining cigarettes or the rod, e.g. for regulating the feeding of tobacco; Removing defective cigarettes
    • A24C5/3412—Examining cigarettes or the rod, e.g. for regulating the feeding of tobacco; Removing defective cigarettes by means of light, radiation or electrostatic fields
    • 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
    • A24D3/025—Final operations, i.e. after the filter rod forming process
    • A24D3/0258—Means for making grooves
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
    • A24D3/02—Manufacture of tobacco smoke filters
    • A24D3/0295—Process control means

Definitions

  • the invention further relates to a corresponding production machine of rod-shaped articles of the tobacco-processing industry with a corresponding embossing device for a first wrapping material strip.
  • CP filter Combined Performance Filter
  • the Chinese utility model application CN 2588802 Y discloses a groove filter manufacturing machine for making cigarette filter rods with diagonal grooves.
  • a paper feed on one 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. Grooved filter rods of different embossing can be produced.
  • the double roller pair for embossing is convex-concave.
  • rod-shaped articles or rod-shaped products of the tobacco processing industry are understood in particular rod-shaped cigarettes, filter rods and multi-segment filter rods, which are wrapped by a wrapping material strip.
  • a strand-shaped article or a strand-like product is understood as meaning material strands such as, for example, tobacco strands, filter strands, multi-segment filter strands and the like, which are preferably also wrapped by a wrapping material strip.
  • embossing of the first wrapping material strip includes in particular that the formed embossing structure has grooves which are arranged in the longitudinal direction of the rod-shaped article. In a direction transverse to the longitudinal axis of the rod-shaped article thus results in a kind of wave structure of the first wrapping material strip.
  • the invention is based on the idea that for the production of high-quality rod-shaped articles having a first wrapping material strip which has been provided with an embossed structure, by acquiring image data and determining a quality and / or a position of the embossing pattern on the operation of the Manufacturing machine or parameters can be intervened in the operation of the manufacturing machine, so as to improve the quality or quality of the rod-shaped article produced.
  • the image data comprise images along the circumferential direction of the strand or of the rod-shaped article, in particular of the entire circumference, wherein the recording of the images along the circumferential direction takes place clocked with a predeterminable first frequency.
  • the recording of the image data or the taking of images is preferably carried out with electromagnetic radiation in the visible region of the electromagnetic spectrum or in adjacent regions invisible to the human eye, for example in the infrared range or in the ultraviolet range.
  • the image data is preferably recorded in a reflection process, ie light is measured which is reflected by the surface of the strand or of the coated article.
  • light from the light source is directed onto the surface of the wrapping material of the rod-shaped or strand-shaped article which is reflected by the wrapping material so that the reflected light is detected by one or more light sensors.
  • an image data acquisition device is used within the scope of the invention.
  • the image data acquisition device is preferably designed as a CCD camera or preferably comprises one or more cameras, which are furthermore preferably arranged around the test rod or strand-shaped article in a circular or part-circular manner.
  • the article to be tested is attached, for example, to one, in particular multichannel, optical image data acquisition device conveyed through, which may be formed annular.
  • the signal of each channel of the image data acquisition device corresponds to a course of an optical nature of a strip-shaped region or a partial region of the surface of the article in the longitudinal axial conveying direction.
  • the image data acquisition device recognizes changing gray levels or color values in advancing the rod-shaped or strand-shaped article.
  • the individual channels of the image data acquisition device are each directed to a narrow portion along the circumference of the rod-shaped or strand-shaped article when it is conveyed longitudinally axially.
  • Each channel of the image data acquisition device thus measures how the brightness of the surface of the wrapping material strip, and in this case preferably of the first and optionally the second wrapping material strip of the rod or strand article in the portion of the rod or strand article viewed from the respective channel, over time the promotion on the image data acquisition device over or changed.
  • the surface of the rod-shaped or strand-shaped article is scanned or grasped in two dimensions, namely transversely, ie preferably perpendicular, to the transport direction by means of the plurality of channels of the image data acquisition device and in the transport direction by means of a temporal resolution.
  • the temporal resolution is given by the first predetermined frequency.
  • a strand of the tobacco processing industry such as a filter strand, is wrapped around the filter material first, at least partially embossed, first wrapping material strip and possibly wrapped around this first wrapping material strip, a second wrapping material strip outside, with a conveying speed of 10 m / s promoted and measured here.
  • an image is taken at a certain point in time along the circumference of the strand, for example with an image data acquisition device, which has two transversely-axially or circumferentially successively arranged CCD sensors with a number of 70 corresponding sensors, so that for the entire Scope 140 sensors are provided.
  • the image data of these 140 sensors are read, for example, with a second clock frequency of 10,000 MHz.
  • the first predeterminable frequency may for example be such that in the conveying direction every 0.2 mm an image of the circumference of the rod-shaped or strand-shaped article is made.
  • Digitized gray values or color values are preferably acquired as image data about the circumference of the rod-shaped or strand-shaped article by means of the image data acquisition device in order to determine the quality and / or the position of the embossed structure of the first wrapping material strip on the basis of the intensity or the intensity distribution of the gray values or color values. to investigate.
  • controlling or controlling the operation of the manufacturing machine includes a slice position control of the strand, an ejection a defective rod-shaped article, a change in a parameter in the production of the strand and / or a change in a parameter for embossing the first wrapping material strip.
  • a slice position control of the strand an ejection a defective rod-shaped article, a change in a parameter in the production of the strand and / or a change in a parameter for embossing the first wrapping material strip.
  • the image data are processed to determine the quality and / or position of the embossed structure.
  • a sum of gray values or color values in the conveying direction and / or along the circumferential direction of the strand is carried out for processing the image data.
  • the position of the embossed structure can be determined particularly well, in particular if the embossed structure was only partially produced in the conveying direction of the first wrapping material strip.
  • the quality of the embossing of the embossed structure can be determined particularly well.
  • a transformation can take place, for example, by folding the image data with a readout frequency of the image data acquisition device or a sensor arranged in the image data acquisition device or a corresponding line scan camera or a CCD sensor.
  • a Fourier transformation in particular a so-called fast Fourier transformation (FFT, of Fast Fourier Transformation), may additionally or alternatively be performed become.
  • the spatial frequency spectrum is preferably filtered.
  • the filter here is preferably a filter with finite impulse response (FIR filter) or a bandpass filter.
  • FIR filter finite impulse response
  • a Bessel function is preferably provided in the bandpass filter or FIR filter.
  • a particularly high quality in the image data processing or processing is given when a back transformation is performed and the processed image data are processed.
  • the ratio of a used sampling rate or readout frequency of the image data acquisition device to the cut-off frequency of the low-pass portion of the filter between 6 and 14, in particular between 8 and 12, wherein in particular the ratio of the sampling rate used to the cut-off frequency of the high-pass portion of the filter between 3 and 6, in particular between 4 and 5, lies.
  • the ratio of the cut-off frequency of the high-pass component to the cut-off frequency of the low-pass component of the bandpass is between 1.4 and 3, in particular between 1.4 and 2.
  • column sums and / or row sums are formed from the image data or transformed image data and optionally the filtered and transformed image data.
  • the image data is processed or processed such that the measured or transformed Gray values or color values a conversion into two discrete values is made. This is called binarization. It is then possible to form column sums and / or row sums of the discrete or binarized values.
  • This method step involves a binarization of the gray values or color values into discrete values, it being possible to set at which gray value or at which color value the boundary for the binarization is provided. For example, 256 gray values are no longer available, only the values 0 and 1 are available.
  • a manufacturing machine of rod-shaped articles of the tobacco processing industry with a processing device for processing a first wrapping material strip of the tobacco processing industry comprises an embossing device, by means of which the first wrapping material strip during a longitudinally axial conveying of the first wrapping material strip is embossable or embossed
  • the manufacturing machine has a strand forming device in which the first wrapping material strip is wrapped or wound around a strand material in the longitudinal axial conveying the strand material, wherein an image data acquisition device is provided by means of the image data of the with first wrapping material strip wound strand are receivable or recorded, wherein a Schmschekaru ngsvorraum is provided, by means of which the quality and / or the position of an applied on the first wrapping material strip embossed structure is determined or determined and wherein a control or regulating device is provided, the control or control parameters due to the determined quality and / or position of the embossed structure the
  • a moisture content of the first wrapping material strip in or upstream of the embossing device, a tension of the first wrapping material strip upstream of the embossing device, a distance of two embossing rollers provided in the embossing device, and / or a cutting position of rod-shaped articles cut to length from the formed strand are provided as the control parameters ,
  • the embossing device is arranged upstream of the strand forming device.
  • a filter trough processing apparatus is disposed upstream of the strand forming apparatus.
  • a feed device for a second wrapping material strip is preferably provided, by means of which the second wrapping material strip of the strand forming device can be fed so that the second wrapping material strip can be wound around the outside of the first wrapping material strip.
  • Fig. 1 shows schematically a manufacturing machine 1 according to the invention of rod-shaped or strand-shaped articles.
  • filter bars are made of cellulose acetate tat.
  • a filter tow 11 is withdrawn from a filter towbale 10 and processed in a filter tow treatment device 12, for example, sprayed with triacetin and stretched and / or stretched.
  • a processing device 23 follows in the production machine 1, in which a first wrapping material strip 33 can be processed accordingly.
  • the filter tow strip 11 is deflected via corresponding rollers and transported in the conveying direction 13 in the direction of an inlet funnel 15 of a strand forming device 14 or stranding machine.
  • the processing device 23 can be used as an insertion device according to DE 10 2011 085 981.0 be educated. It will be so far fully on the disclosure of the DE 10 2011 085 981.0 directed.
  • a wrapping material strip 33 which is unrolled from a corresponding supply, for example a bobbin not shown, is first guided in the conveying direction 13 'over a wrapping material strip tensioning device 38, which is designed as a dancer by way of example. Subsequently, the first wrapping material strip 33 is guided over rollers and passed through a humidifier 37 to provide a corresponding moisture of the wrapping material strip 33. Subsequently, the moistened wrapping material strip 33 passes into an embossing device 36, in which two embossing rollers 34 and 35 correspondingly for a longitudinal axial, i. formed in the conveying direction embossing mountains and valleys or grooves and elevations or grooves provide.
  • the embossing device can provide corresponding predefinable embossing structures on the wrapping material strip, which can be designed, for example, continuously longitudinally or else in sections, i. with areas which are embossed, wherein longitudinally axially successively arranged embossed areas on the wrapping material strip 33 alternate with areas which are not embossed. Typically, then the non-embossed areas may be provided where the cut is provided in the subsequently produced filter rod.
  • the first wrapping material strip 33 passes through a drying device and via a guide 40 in the direction of a strand forming device 16 or formatting device 16 in which the first wrapping material strip 33 comes into contact with the filter tow 11 and accordingly the first wrapping material strip 33 is wound around the filter tow 11 becomes.
  • the first wrapping material strip 33 is preferably wrapped around the filter tow 11.
  • a second wrapping material strip 19 is also provided, which is unwound from a reel 18, glued to the gluing device 20 and guided below the first wrapping material strip 33 into the strand forming device 16 becomes.
  • the second wrapping material strip 19 is then completely wrapped around the first wrapping material strip 33 and the filter tow 11 and glued to an adhesive seam.
  • An upper format 17 also serves to close the wrapping material strips. This results in a filter tow line 21 which is enveloped by two wrapping material strips 19 and 33 and which is conveyed in the conveying direction 22.
  • the filter strand 21 passes through an optical measuring system 30 or through an image data acquisition device.
  • the optical measuring system or the image data acquisition device will be explained in more detail with reference to the following figures.
  • the filter strand 21 passes to a cutting device 31, are cut in the corresponding filter rods of the filter rod.
  • the filter rods either go into the further processing process or are discharged in the discharge device 32.
  • a different one Set train for example, to change the position of the applied embossed structure.
  • a different degree of penetration of the first wrapping material strip 33 can be achieved. The degree of penetration is preferably between 5% to 30%, in particular 7% to 9%, measured just before or in the embossing device 36. The percentages are by mass percent.
  • an embossing structure is embossed into the wrapping material strip, which is stable.
  • a stabilizing agent for example methyl cellulose
  • the stability of the embossed structure can be influenced. Accordingly, the thickness of the embossing grooves can be adjusted by changing the pitch of the embossing rollers 34 and 35. Finally, an influence by temperature change or air change in the drying device 39 can be made.
  • corresponding parameters in the filter fabric preparation device 12 can be changed, for example, the stretching tension or the amount of triacetin applied can be influenced.
  • An influencing of corresponding parameters for controlling or regulating the production machine 1 takes place on the basis of a corresponding measurement and evaluation of image data of the strand or of the rod-shaped article, by means of which the quality and / or position of the embossed structure is determined, the quality and / or position of the Embossed structure of the operation of the manufacturing machine is controlled or regulated.
  • an optical measuring system 30 which can also be referred to as an image data acquisition device, is provided and, for example, in FIG Fig. 2 explained in more detail.
  • the optical measuring system 30 is shown.
  • a strand 21 is guided in the conveying direction 22.
  • the strand 21 covered with the wrapping material strip is visually checked after its production.
  • a measuring system of Hauni Maschinenbau AG is known under the name ORIS.
  • This in Fig. 2 shown schematic optical measuring system 30 is formed such that the longitudinal axial in the conveying direction 22 funded material strand 21 of the tobacco processing industry is scanned optically or its wrapping material strips.
  • the strand 21 is passed longitudinally axially through the, preferably stationary, optical measuring system 30, wherein the strand 21 is completely detected and imaged on its surface.
  • the strand is illuminated with light from a light source 52, the light from the light source 52 being deflected using mirrors 53 to which strand 21 is directed and that from the surface or sub-surface of the wrapping material strip, light from the strand 21 is directed via additional mirrors 54 to sensors 55, so that the light reflected from the surface of the strand 21 is picked up by the sensors 55 and converted into corresponding strand image data.
  • the strand image data preferably comprise the entire surface of the material strand 21 and thus represent a linear or two-dimensional image of the entire surface the strand 21 or its wrapping strip in the event that two wrapping strips are used, as in a preferred embodiment of the invention.
  • the sensors 55 or image sensors in the form of a CCD camera and / or a CCD line scan camera are formed and arranged in a ring, so that the entire circumference of the strand 21 is optically detected, whereby the strand image data in the circumferential direction, the surface of the wrapper strip in a Range of 360 ° represent.
  • the CCD camera 140 may have picture elements such that the perimeter is divided into 140 sections or the resolution corresponds to the perimeter divided by 140.
  • the image data transmitted to the evaluation device or image data processing device 60 for example in the form of digitized gray scale values with, for example, 256 gray scale levels, are analyzed in the image data processing device 60.
  • the ring-shaped sensors 55 transmit the corresponding image data to the image data processing device 60, thereby determining the quality or the position of the embossed structure on the first wrapping material strip, which shimmers through the second wrapping material strip.
  • the quality or position of the embossed structure determined in this way is fed into a control device 61 which controls the operation of the production machine 1 in accordance with, for example, by delivering a signal to the humidifier 62 or 37.
  • the control device may give a control signal to the humidifier 62 or 37 that a higher degree of humidity is desired.
  • a larger amount of stabilizing agents may be added, such as methyl cellulose.
  • the image data processing device 60 may be integrated with the control or regulating device 61 or the evaluation may also be done exclusively in the control device 61.
  • the quality or the position of the embossed structure is determined is described below in an example.
  • the embossing device comprising two embossing rollers based on a schematic section of the embossing device according to Fig. 3 described.
  • the embossing device comprises two embossing rollers 34 and 35, which are arranged at a small distance from each other such that embossing regions 72, 73, 74 and 75 of the embossing roller 34 extend into the embossing roller 35.
  • the embossing areas 72 to 75 have elevations and grooves that are complementary in shape to elevations and grooves of the embossing roller 35.
  • the ridges and grooves in the embossing roll 35 are continuous, ie arranged over the entire circumference of the embossing roll 35 and accordingly the embossing regions 72 to 75 of the embossing roll 34 are provided in sections. This results in embossing areas on the first wrapping material strip 33, which alternate in the conveying direction of the wrapping material strip 33, ie in the longitudinal axial direction, with non-embossed areas.
  • the elevations of the embossing roller 34 have a radius r1, whereas the grooves have a radius of r2. Accordingly, the grooves of the embossing roller 35 have a radius r3 and the elevations have a radius r4.
  • n is the number of sensors or pixels of the line scan camera that are distributed over the circumference.
  • 140 sensors in the CCD camera or line scan camera are provided so that there are 140 sections or columns.
  • this measured signal can be compared with a desired pattern, for example with regard to the distance of the minima and maxima in the circumferential direction or with respect to a standard deviation to the summed gray values.
  • the original image data 80 can be binarized, which is 81 in FIG Fig. 5 is shown.
  • Corresponding column sums could then also be formed, which under certain circumstances already show a better signal than the evaluation signal, which is provided with the reference number 82.
  • the original image data 80 whose image signal does not depend directly on time, but on the coordinates, are converted into a spatial frequency spectrum. It is thus possible to regard the image data as a one-dimensional signal which can be regarded as a kind of spiral development of the gray values of the image which was scanned at a frequency of 10 MHz, for example. A Fourier transformation or a fast Fourier transformation can then be performed thereon in order to determine a corresponding frequency spectrum. As it were, a spatial frequency spectrum is folded at the sampling rate of the CCD camera in order to obtain a corresponding frequency spectrum.
  • This frequency spectrum is then filtered, for example with a filter with finite impulse response (FIR filter), whose circuit diagram is schematically in Fig. 4 is shown for example.
  • FIR filter finite impulse response
  • This is a kind of bandpass filter, which has a corresponding low-pass component and a high-pass component.
  • a ninth order filter with 71 delay elements and a Bessel filter characteristic is provided.
  • the frequency spectrum which was formed, for example, with a number of grooves of 18 grooves of the embossed structure, at a peripheral resolution of 140 pixels per 18 grooves results in 7.7 pixels per groove peak and groove valley. That is, at a sampling rate of 10 MHz, the grooves have a frequency of 1.3 MHz.
  • the filtered image data stored in Fig. 5 are designated 83, show a much sharper contour. This is due to the bandpass filter according to the circuit Fig. 4 ,
  • the column sums ie the sum of the gray values over the 140 images or sections by the sensors according to reference numeral 85 in FIG Fig. 5 shows compared to the column sums with the reference numeral 82 that clearly the contrast has been increased and thus a more accurate indication of the quality of the embossing can be made.
  • the reference numeral 85 indicates a relatively low maximum in the range of approximately the 110th sensor of the line scan camera. This is the interface of the second wrapping material strip, since a greater brightness is absorbed by the fact that an overlap of the second wrapping material strip is provided at this point.
  • the filtered image data may be binarized as shown at 83, as indicated at 84.
  • a suitable gray value is determined, below which the image data are displayed in white and above which the image data are shown in black, or from which the image data are then displayed in black. Also over this column sums can be formed, which would result in an even more contrasty column sum under certain circumstances.
  • Fig. 8a to 8d corresponding image data shown.
  • image data according to Fig. 8a it is original image data 80, in which left and right two embossing areas of the wrapping material strip are provided and in the middle thereof, an area that is not embossed.
  • Fig. 8b shows a gray scale spread representation of the original image data 80, ie, here was an image processing made such that the small differences in the gray values Fig. 8a were spread apart to make the gray scale differences clearer. Accordingly, in Fig.
  • a filtering of the original image data 80 is shown, for example also with a FIR filter or alternatively with another digital filter, which is preferably a bandpass filter.
  • a gray value spread representation of the data Fig. 8c shown it can be clearly seen that the contrast here compared to the splayed original image data of Fig. 8b has increased and more precisely the embossed structure is recognizable.
  • Fig. 6a is a column sum over the 140 sections measured by the 140 sensors, shown by filtered ones Spatial frequency data resulting from the original image data by appropriate processing as mentioned above. Is a corresponding optimal grooves course of the mean value is formed, which is about 2.985 x 10 4, and a standard deviation, which is indicated by the bright region illustrated recognized, a measure of the quality of the embossing pattern or the grooves can be given. From a certain quality, which can be specified, the quality is still sufficient. at Fig. 6a the quality is not sufficient because the embossing pattern in the range of approximately the 78th sensor has a too low gray value in the maximum shown there since the sum of the gray value here is not higher than the mean value plus standard deviation. A rod-shaped article having this groove structure would thus be ejected, for example.
  • Fig. 6b are the dates off Fig. 6a processed further, in such a way that these data were additionally binarized and from the column sums were formed. That is, in principle, the column sums of the processed image data became Fig. 5 used, which are provided with the reference numeral 84. Again, an average and standard deviation are formed, and if this data is used, the filter rod having this corresponding groove structure could still be found to be sufficiently good, for example, since the maxima of the sums are above the mean plus the standard deviation.
  • the column sums formed are the sums of the gray values in the longitudinal axial direction over, for example, the length of a cut filter rod of, for example, 160 mm. Since a picture is taken along the circumference approximately at 0.2 mm each time, 800 gray values per detector or sensor are thus added up. On average, a gray value of 37 out of a total of 256 gray values must be used, so that when totaling 800 values according to Fig. 6a 2,985 x 10 4 as the average.
  • MTF modulation transfer function
  • the groove pattern can also be understood as a kind of stamp, in which case the pattern is to be aligned in the correct phase and then compared with a groove reference.
  • Fig. 7 Schematically is in Fig. 7 a diagram of line totals of original image data is shown. In this case, therefore, the sum of all gray values along the circumference of the measured filter rod or of the measured strand and progressively every 0.2 mm in the conveying direction of the rod or strand is again formed a sum.
  • the result of this summation is in Fig. 7 and shows a corresponding gray value sum, which is designated by the reference numeral 86, in which the gray scale sum is shown on the ordinate and a path on the abscissa.
  • the reference numeral 86 the gray scale sum is shown on the ordinate and a path on the abscissa.
  • There are clearly three different gray value ranges to be determined namely two areas with a low gray value sum and an area with a high gray value sum.
  • the area with the high gray value sum corresponds a region in which a groove embossing is provided, and the other two regions are regions in which no groove embossing is provided.
  • the transitions are recognizable as edges 87 and 87 'accordingly. On the half of the edge 87 or 87 ', the transition from an embossed structure to no embossed structure is assumed. As a result, for example, a cutting position control can be made.
  • Fig. 9 schematically shows a control or regulation sequence of a manufacturing machine according to the invention.
  • a picture is taken.
  • a first method branch the position, for example, of the edges 87 and 87 'becomes 91 at 91 Fig. 7 at which an actuator control signal for influencing a cutting device 31 for cutting filter rods out of the filter strand 21 is influenced. This is shown in 93 at the step Intersect cutting position.
  • the second method branch which is from the image recording 90 to the right in FIG Fig.
  • the determination of the quality includes an ejection at 95 as well as the generation of a control signal at 96 in order, for example, to influence the embossing. This can be done by influencing the wrapping material strip tensioning device 38, by influencing the humidifier 37, by influencing the drying device 39 and / or by influencing, for example, the distance between the first embossing roller and the second embossing roller.
  • Fig. 10 schematically shows a section through a manufactured CP filter rod.
  • 110 shows the filter material.
  • the first wrapping material strip 33 is butt wound in the butting area 111 around the filter material 110.
  • a second wrapping material strip 19 is wound, which is overlapped in a seam area and glued there. It can be seen very well the grooves shown schematically. There are 22 grooved mountains and correspondingly 22 grooved valleys or grooves.
  • the production machine can make a change specifically in one parameter or several parameters, and thus provide for a corresponding control or regulation of the quality or the quality of the embossing.
  • m and n are natural numbers.

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  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Cigarettes, Filters, And Manufacturing Of Filters (AREA)
  • Image Processing (AREA)
EP13158885.7A 2012-03-19 2013-03-13 Machine de fabrication de tiges de filtre et procédé de fonctionnement d'une machine de fabrication de tiges de filtre de l'industrie de traitement du tabac Active EP2641481B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102012204331A DE102012204331A1 (de) 2012-03-19 2012-03-19 Herstellmaschine und Verfahren zum Betrieb einer Herstellmaschine von stabförmigen Artikeln der Tabak verarbeitenden Industrie

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EP2888952A3 (fr) * 2013-11-13 2015-09-23 HAUNI Maschinenbau AG Rouleau gaufreur
EP2912959B1 (fr) 2014-02-27 2018-06-27 Hauni Maschinenbau GmbH Dispositif et procédé de fabrication d'une tige de l'industrie de traitement du tabac
IT201700039700A1 (it) * 2017-04-11 2018-10-11 Gd Spa Dispositivo, metodo ed apparato di controllo di spezzoni di filtro goffrato.

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DE102018129256A1 (de) * 2018-06-29 2020-01-02 Hauni Maschinenbau Gmbh Vorrichtung und Verfahren zur optischen Messung an einem Produktstrang der Tabak verarbeitenden Industrie und Verwendung einer optischen Messvorrichtung
EP3587998B1 (fr) * 2018-06-29 2021-09-22 Hauni Maschinenbau GmbH Dispositif et procédé de mesure optique d'un boudin de produit de l'industrie de traitement du tabac et utilisation d'un dispositif de mesure optique

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EP0548695A2 (fr) * 1991-12-27 1993-06-30 Japan Tobacco Inc. Appareil d'inspection de l'apparence d'objets cylindriques
EP0880905A1 (fr) * 1996-09-25 1998-12-02 Japan Tobacco Inc. Cigarette
CN2588802Y (zh) 2002-10-22 2003-12-03 蚌埠卷烟材料厂 沟槽滤棒成型机
DE10358670A1 (de) * 2003-12-12 2005-07-07 Focke & Co.(Gmbh & Co. Kg) Verfahren und Vorrichtung zum Prüfen der Oberfläche eines bewegten Materialstrangs der tabakverarbeitenden Industrie
EP2080439A1 (fr) * 2008-01-21 2009-07-22 G.D. S.p.A Unité pour le balayage optique de produits du tabac en forme de tige
WO2009141217A1 (fr) * 2008-05-20 2009-11-26 British American Tobacco (Investments) Limited Appareil et procédé de fabrication d’un article à fumer
WO2011042354A1 (fr) * 2009-10-06 2011-04-14 British American Tobacco (Investments) Limited Emballage imprimé et gaufré pour un article à fumer et article à fumer comprenant un emballage imprimé et gaufré
EP2366295A1 (fr) * 2010-03-18 2011-09-21 HAUNI Maschinenbau AG Traitement de bandes de matériau d'enrobage
WO2011117106A1 (fr) * 2010-03-22 2011-09-29 British American Tobacco (Investments) Limited Enveloppe pour article à fumer lip, article à fumer, procédé et dispositif
DE102011082646A1 (de) 2011-09-14 2013-03-14 Hauni Maschinenbau Ag Optische Prüfung von stabförmigen oder strangförmigen Artikeln der Tabak verarbeitenden Industrie

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Publication number Priority date Publication date Assignee Title
EP2888952A3 (fr) * 2013-11-13 2015-09-23 HAUNI Maschinenbau AG Rouleau gaufreur
EP2912959B1 (fr) 2014-02-27 2018-06-27 Hauni Maschinenbau GmbH Dispositif et procédé de fabrication d'une tige de l'industrie de traitement du tabac
IT201700039700A1 (it) * 2017-04-11 2018-10-11 Gd Spa Dispositivo, metodo ed apparato di controllo di spezzoni di filtro goffrato.
WO2018189645A1 (fr) * 2017-04-11 2018-10-18 G.D S.P.A. Dispositif, procédé et appareil d'inspection de segments de filtre gaufrés
JP2020512826A (ja) * 2017-04-11 2020-04-30 ジー．デー ソチエタ ペル アツィオニＧ．Ｄ Ｓｏｃｉｅｔａ Ｐｅｒ Ａｚｉｏｎｉ エンボス加工されたフィルタセグメントを検査するためのデバイス、方法および装置

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CN103315391A (zh) 2013-09-25
DE102012204331A1 (de) 2013-09-19
PL2641481T3 (pl) 2016-10-31
CN103315391B (zh) 2017-03-01
EP2641481B1 (fr) 2016-05-11

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