CN103315391A - Production machine and method for operating the production machine for rod-shaped articles in the tobacco processing industry - Google Patents
Production machine and method for operating the production machine for rod-shaped articles in the tobacco processing industry Download PDFInfo
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- CN103315391A CN103315391A CN2013100876340A CN201310087634A CN103315391A CN 103315391 A CN103315391 A CN 103315391A CN 2013100876340 A CN2013100876340 A CN 2013100876340A CN 201310087634 A CN201310087634 A CN 201310087634A CN 103315391 A CN103315391 A CN 103315391A
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- Prior art keywords
- lapping band
- view data
- maker
- bar
- lapping
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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
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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
- A24C5/32—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
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- 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
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- 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
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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)
Abstract
The present invention relates to a production machine and a method for operating the production machine for rod-shaped articles in the tobacco processing industry. The method involves coining a first wrapping material strip (33), acquiring the image data of a rod made of a strip material wrapped by the coined first wrapping material or a rod-shaped article cut off via the dimension of the strip, detecting the quality and/or position of the coined structure according to the image data, and controlling or adjusting the production machine to run according to the quality and/or position. The production machine possesses a first wrapping material strip processing device, a strip forming device, an image data acquisition device arranged when the strip material is conveyed in the longitudinal axial conveying direction (13') and wound by the first wrapping material strip, and used to record the image data of the strip wound by the first wrapping material strip, an image data processing device used to detect the quality and/or position of the coined structure applied to the first wrapping material strip, and a controlling and/or adjusting device used for controlling and/or adjusting parameters in the continuous operation of the production machine according to the detected quality and/or position of the coined structure.
Description
Technical field
The present invention relates to a kind of maker method of filter stick maker especially of the bar form articles for the operation the tobacco industry, the method has the following methods step:
-the first lapping band is carried towards the direction of imprinting apparatus along the throughput direction of Y;
-described the first lapping band is impressed, wherein when impression, at least temporarily carry continuously described the first lapping band.
Especially also preferably stipulate at this, the first lapping band at first is provided.
In addition, the present invention relates to a kind of corresponding maker of the tobacco industry, this maker has the corresponding imprinting apparatus that is used for the first lapping band.
Background technology
Recently, known so-called " Combined Performance Filter(composite behaviour filter tip) " (CP-filter tip), its strainability especially also is improved for condensation product for cigarette.
Utility model application CN 2588802 Y of China disclose a kind of trough of belt filter manufacturing machine, and this trough of belt filter manufacturing machine is for the manufacture of the cigarette filter stick of the groove with diagonal angle.Double and settled imprinting apparatus as the paper strip supply of special-purpose reel on the top of described special-purpose reel on the side of this paper strip supply in frame.Two rollers that described imprinting apparatus has a groove eindruckwerk that has a diagonal angle to, air amount/paper tape guide groove, paper tape deflector roll and a paper tape guide groove and an infrared switch.Can make the trough of belt filter stick with different stamping structures.Described two rollers be used to impressing are to being configured to the structure of convex-concave.
In this Chinese utility model application, do not arrange and anyly monitor the measure that checks in other words for quality and/or position to the stamping structure that impresses.
A kind of method that the lapping band of the bar form articles that is used for the tobacco industry is processed of being used for that is improved obtains openly at the patent application DE 10 2,012 201 279.6 of the Germany with title " be used for method and apparatus that the lapping band is processed ", this German patent application is submitted on January 30th, 2012 by applicant.
A kind of filter manufacturing machine that has filtering rod maker and filter tow preprocessor or be used for the filter-tip filtration block assembly of many segmentations machine that in the patent application DE 10 2,011 085 981.0 that submitted to by the applicant on November 9th, 2011, discloses the tobacco industry in Deutsche Bundespatent and trademark office, for this filter manufacturing machine, be provided with insertion apparatus, this insertion apparatus is installed between described filtering rod maker and described filter tow preprocessor or described filtering rod maker and the described filtration block assembly machine, wherein said insertion apparatus comprises feed unit and process unit, and wherein said process unit can be connected with described feed unit in the mode that can unclamp.The flexible and changeable filter manufacturing machine of the tobacco industry can be provided thus, and described filter manufacturing machine can be realized higher changeability with less repacking measure when making filter tip.
A kind of measuring system for goods clavate or bar shaped being carried out the optics of optical check has been shown from the applicant's the patent application DE 10 2,011 082 646.7 with title " inspection of the optics of the goods clavate of the tobacco industry or bar shaped ", the measuring system of wherein said optics has at least two the each other preferred diagonal angle preferred CCD camera of imageing sensor or CCD line scan camera of arranging opposed to each other, goods wherein said clavate or bar shaped can pass between the imageing sensor of arranging opposite each otherly, wherein said imageing sensor is connected with analysis institution, the image data transmission that is used for collecting from the surface of goods described clavate or bar shaped is to described analysis institution, wherein said analysis institution is connected with the executing agency of additive feedway, thereby signal can be transferred to described executing agency and after signal is transferred to described executing agency additive delivery can be changed especially adjustment to the process in the goods described clavate or bar shaped according to the analysis of described view data being carried out by means of described analysis institution.
Summary of the invention
Task of the present invention is, a kind of method and a kind of corresponding maker of maker of product of the clavate for the operation the tobacco industry is described, is improved by means of the bar form articles of described method and the maker manufacturing especially quality of CP filter stick.
This task is resolved by a kind of method of maker of the bar form articles for moving the tobacco industry, and the method has the following methods step:
-carry the first lapping band along the throughput direction of Y;
-described the first lapping band is impressed, wherein when impression, at least temporarily carry continuously described the first lapping band, thereby form stamping structure in the piecewise at least along throughput direction;
-form the bar of the tobacco industry and carry described along the direction of Y;
-bring described of parcel with described the first lapping, wherein bring especially described usefulness the first lapping of parcel to bring the bar of parcel with the second lapping;
-sizing intercepts at least one bar form articles from described;
-gather the especially digitized view data of described or bar form articles, the operation that wherein detects the quality of described stamping structure and/or position and control or adjust described maker according to quality and/or the position of described stamping structure according to described view data.
The bar form articles of the tobacco industry in other words product of clavate refers in particular to cigarette, filter stick and the many segmentations filter stick that is wrapped the clavate that material webs twines.The product of in other words bar shaped of the goods of bar shaped refers to especially preferably also be wrapped the material strips of material webs winding such as tobacco rods, filtering rod, many segmentations filtering rod and similar product.Within the scope of the invention, the concept of the impression of described the first lapping band especially comprises this point, and namely formed stamping structure has the groove of arranging along the longitudinal direction of described bar form articles.The edge obtains a kind of waveform configuration of described the first lapping band transverse to the direction of the longitudinal axis of described bar form articles thus.
The present invention is with such starting point that is contemplated that, namely in order to make high-quality a kind of bar form articles that is provided with the first lapping band of stamping structure that has, the detection of collection that can be by view data when the operation of described maker and the quality of stamping structure and/or position come to the operation of maker in other words parameter intervene, be used for improving the quality quality in other words of the bar form articles of manufacturing like this.
Preferred described view data comprises that the picked-up of wherein said picture is in the circumferential direction of the circle synchronously carried out with first frequency that can be given in advance along the described picture of the especially whole circumference of circumferencial direction of described bar form articles in other words.The in other words picked-up of picture of the record of view data is with in the visible scope of the spectrum that preferably is in electromagnetism or be in carrying out such as the radiation that is in the infra-red range or be in the electromagnetism in the ultraviolet range in the invisible scope of adjacency concerning human eye.
In other words after described, preferably carry out the record of view data at parcel goods described clavate or bar shaped with method for reflection, that is to say that the light that the surface of the goods that wrap up in other words from described is reflected measures.Make the surface from the lapping of the goods described clavate of optical registration or bar shaped of light source, this light is reflected by described lapping for this reason, so that the light of the in other words scattering of reflection is detected by one or more light-sensitive device.In general, replace light-sensitive device within the scope of the invention and refer to the image data acquiring device.Described image data acquiring device preferable configuration is that the CCD camera preferably includes one or more in other words further preferably round the camera that goods clavate to be checked or bar shaped is arranged circularly or part circular ground is arranged.When the view data of record goods described clavate or bar shaped, goods to be checked are passed such as the next door from the image data acquiring device of the optics of one or more passage shape, described image data acquiring device can be configured to ring-type.The signal of every channel of described image collecting device is corresponding to the curve along the characteristic of the optics of the throughput direction of Y of the banded zone on the surface of described goods or subregion.In this way, described image collecting device identifies gray value or the colour of variation when goods clavate or bar shaped are carried from described image collecting device next door.When Y was carried goods described clavate or bar shaped, each bar channel of described image collecting device was correspondingly aimed at along the narrower section of the circumference of goods described clavate or bar shaped.Every channel of described image collecting device is measured thus, the brightness on the surface of described lapping band and in this case goods preferred described clavate or bar shaped the first lapping band and in case of necessity the surface of the second lapping band the brightness in the section of being observed by corresponding channel of goods described clavate or bar shaped how from described image collecting device next door or the process of in the middle of it, passing along with the time changes.
To consider at this, owing to the stamping structure that is molded on described the first lapping band especially namely produces different gray values along the circumferencial direction of goods described clavate or bar shaped transverse to throughput direction.When acquisition of image data, in every channel, produce measured value, described measured value is corresponding to the characteristic of the optics of the zone on the surface of goods described clavate or bar shaped or a subregion.
Preferably on two dimension and laterally that is to say or rather to come the surface of goods described clavate or bar shaped scanned in other words by means of temporal resolution ratio by means of many channels of described image collecting device and along carriage direction perpendicular to throughput direction and survey.Described temporal resolution ratio is come given in advance by first frequency that can be given in advance.It is measured such as filtering rod and in this process such as the bar of carrying the tobacco industry with the transporting velocity of 10m/s, wherein at first twining the first lapping band of the impression of piecewise at least and may twine outside the second lapping band round this first lapping band round described filtering material.In order to measure, specific constantly along described circumference such as coming pickup image with the image data acquiring device, described image data acquiring device has two ccd sensors of successively arranging in the circumferential direction of the circle in other words along the direction of Xdirection, described ccd sensor then respectively has 70 corresponding sensors, thereby is provided with 140 sensors for whole circumference.The view data of these 140 sensors is such as reading with the clock frequency of 10,000 MHz.Such as can so arranging described first frequency that can be given in advance, thereby carry out the imaging of the circumference of goods described clavate or bar shaped along the every 0.2mm of throughput direction.
Preferably gather digitized gray value or colour as the view data about the circumference of goods described clavate or bar shaped by means of described image collecting device, be used for according to the intensity of described gray value or colour in other words intensity distributions survey quality and/or the position of the stamping structure that detects in other words described the first lapping band.
The control of the operation of preferred described maker or adjustment comprise the abandoning out of the cutting position adjustment of bar, defective bar form articles, in the change of making the parameter aspect the bar and/or be used for the change of parameter of the impression of described the first lapping band.Especially guarantee the higher quality of goods clavate or bar shaped of the manufacturing of the tobacco industry by this measure.
Especially preferredly be, for the quality that detects described stamping structure and/or position and described view data is processed.Such as and particularly preferably for described view data is processed, to described amount to along throughput direction and/or along gray value or the colour of circumferencial direction.By forming in other words along the gray value of circumferencial direction or this mode of total of colour, can determine particularly well the position of described stamping structure, if especially only produce described stamping structure in the piecewise along the throughput direction of described the first lapping band.
By forming in other words along the gray value of the throughput direction of goods described clavate or bar shaped or this mode of total of colour, can determine particularly well the quality of the impression of described stamping structure.
If preferably change described view data, that just improves the quality that view data is processed.Conversion can be carried out in the following manner, and the sensor that namely is arranged in other words described image data acquiring device with the described image data acquiring device in other words read frequency of corresponding line scan camera or ccd sensor closes up (falten) described view data.In addition, scheme or replacement scheme can be carried out Fourier transform as a supplement, especially so-called fast Fourier transform (FFT, Fast Fourier Transformation).
If the conversion by described view data forms spatial frequency spectrum, so such as can finding particularly well, whether described impression has higher quality.In order to improve in other words in order to improve the contrast of view data, preferably described spatial frequency spectrum is carried out filtering.Described wave filter preferably has wave filter (FIR wave filter) or perhaps the bandpass filter of limited impulse response at this.Such as the preferred undue overshoot in the view data processing and described low pass filter in other words the FIR wave filter Bessel function is set.
If implement inverse conversion and the view data of processing like this is processed, then process in the in other words processing obtaining extra high quality at image.
The employed scan frequency of preferred described image data acquiring device in other words the ratio of the limiting frequency of the LPF share of read frequency and described wave filter between 6 and 14, especially between 8 and 12, wherein the ratio between the limiting frequency of the high pass share of especially employed scan frequency and described wave filter between 3 and 6 especially between 4 and 5.Ratio between the limiting frequency of the high pass share that preferred described band is logical and the limiting frequency of its low pass share between 1.4 and 3 especially between 1.4 and 2.
Preferably for described view data is processed, the view data of changing in other words from described view data and in case of necessity from through filtering and through forming row summation and/or row summation the view data of conversion.Preferably so described view data is processed in other words and process, thereby from gray value measured or that change or colour, be converted to two discrete numerical value.This is called binaryzation.Then can form row summation and/or the row summation of the numerical value of described discrete in other words binaryzation.The method step is that described gray value or colour two-value are turned to discrete numerical value, wherein can set, and which kind of gray value to be provided with in other words the limit for binaryzation for for which kind of colour.256 gray values then are not provided for another example, but numerical value 0 and 1 also only are provided.
In addition, described task is resolved by a kind of maker that has for the processing unit (plant) that the first lapping band of the tobacco industry is processed of the tobacco industry, wherein said processing unit (plant) (processing unit (plant)) for the first lapping band is processed comprises imprinting apparatus, can impress or impress at the first lapping band described in the process of described the first lapping band of the conveying of Y by means of described imprinting apparatus, wherein said maker has the bar building mortion, described the first lapping band twines or can twine round described strip material when Y is carried strip material in described building mortion, wherein be provided with the image data acquiring device, can record or record the view data of the bar that twines with described the first lapping band by means of described image data acquiring device, wherein be provided with image data processing system, can detect or detect quality and/or the position that is applied to the stamping structure on described the first lapping band by means of described image data processing system, and wherein be provided with control and/or adjusting device, parameter is controlled and/or adjusted to described control and/or adjusting device according to the quality that detects and/or the position of described stamping structure in the continuous allotment in service of described maker.
Preferably as control or adjust parameter, be provided with described the first lapping band in described imprinting apparatus or the tension in the upstream of described imprinting apparatus of humidity at its upstream, described the first lapping band, two spacings that are arranged on the roller platen in the described imprinting apparatus and/or from the cutting position of the bar form articles of formed upper fixed ruler cun intercepting.
Preferred described imprinting apparatus is arranged in the upstream of described building mortion.
In addition preferably in the upstream arrangement of described building mortion the filter tow pretreatment unit.
The last feedway that preferably is provided with for the second lapping band, described the second lapping band can so described the second lapping band be flowed to described building mortion by means of described feedway, so that can bring winding round described the first lapping outside.
Further feature of the present invention can be found out with claim and accompanying drawing from the specification by embodiments of the present invention.Can realize the combination of each feature or a plurality of features by embodiments of the present invention.
Description of drawings
The present invention will be described with reference to accompanying drawing by means of embodiment in the situation that does not limit general inventive concept for the below, wherein presses details of the present invention please clearly with reference to accompanying drawing about what all were not explained in detail in explanatory note.Accompanying drawing illustrates as follows:
Fig. 1 is the schematic side view by maker of the present invention of the bar form articles of the tobacco industry;
Fig. 2 is by the schematic diagram of image data acquiring device of the present invention together with image data processing system;
Fig. 3 is the schematic diagram of imprinting apparatus;
Fig. 4 is the circuit schematic diagram in other words of line map of the wave filter of numeral;
Fig. 5 is the schematic diagram of the view data of view data and process processing;
Fig. 6 a is the chart that illustrates through the row summation of the view data of filtering;
Fig. 6 b illustrates through filtering and through the chart of the row summation of the view data of binaryzation;
Fig. 7 is that the time illustrates the chart of the capable summation of view data in other words about distance;
Fig. 8 a is the view data of original record;
Fig. 8 b is the view data from the gray value that only has expansion of Fig. 8 a;
Fig. 8 c is the view data through filtering;
Fig. 8 d is the diagram with the gray value expansion from the view data of the process filtering of Fig. 8 c;
Fig. 9 is the schematic flow chart for the operation of described maker; And
Figure 10 is the schematic profile of the filter stick of manufacturing.
In the accompanying drawings, corresponding identical or similar element and/or parts represent with identical Reference numeral, thereby correspondingly do not do the introduction that repeats.
The specific embodiment
Fig. 1 schematically show goods clavate or bar shaped by maker 1 of the present invention.In this case, make filter stick by cellulose acetate long filament (Zelluloseacetattow).For this reason, the filter tow band 11 and in filter tow pretreatment unit 12 it is carried out preliminary treatment of leaving behind from filter tow bag 10 is such as with glyceryl triacetate it being sprayed and with its elongation and/or stretch.Downstream at the throughput direction of described filter tow band 11 is connecting processing unit (plant) 23 in described maker 1, can correspondingly process the first lapping band 33 in this processing unit (plant).Above the processing station that is used for described the first lapping band 33, by corresponding roller described filter tow band 11 is turned to and with its along throughput direction 13 towards become strip device 14 in other words the direction that enters buccal funnel 15 of set frame transport.
Described processing unit (plant) 23 can be configured to the insertion apparatus by DE 10 2,011 085 981.0.Thus, all sidedly with reference to the patent application specification content of DE 10 2,011 085 981.0.
In described processing unit (plant) 23, will at first come delivery by the lapping tensile force of belt adjusting device 38 that exemplarily is configured to dancer such as the lapping band 33 of uncoiling on the unshowned reel along throughput direction 13 ' from corresponding deposit utensil.Make subsequently described the first lapping band 33 turn to and make it from fogger 37, to pass by roller, be used for arranging the corresponding humidity of described lapping band 33.Subsequently, arrive in the imprinting apparatus 36 through wetting lapping band 33, two roller platens 34 and 35 correspondingly are used for the stamping structure that namely consists of along throughput direction of Y in described imprinting apparatus, and described stamping structure comprises in other words groove and projection groove in other words of Feng Hegu.Described imprinting apparatus can will can correspondingly be arranged on described lapping band by stamping structure given in advance, described stamping structure consists of such as Y ground continuously or only also can namely be provided with the zone that is stamped in the piecewise, and wherein the zone of the impression successively arranged of Y alternately occurs with the zone of non-impression on described lapping band 33.The zone of non-impression then typically can be set in the place that is provided with cutting position for the filter stick of making subsequently.
After impression, described the first lapping band 33 pass drying device and by guide 40 towards the in other words direction motion of formalism device 16 of bar building mortion 16, described building mortion 16 in other words the first lapping band 33 described in the formalism device 16 contact with described filter tow band 11 and correspondingly described the first lapping band 33 twine round described filter tow band 11.Described the first lapping band 33 preferably twines round described filter tow band 11 on interface.For the filtering rod that the obtains corresponding reliably closing filter stick of closure after the sizing intercepting in other words, be provided with in addition the second lapping band 19, the debatching from the reel 18 of this second lapping band, on the sizer 20 correspondingly gluing and below described the first lapping band 33 delivery in described building mortion 16.Described the second lapping band 19 is then fully round described the first lapping band 33 with filter tow band 11 twines and bonding at sticking commissure.Upper formalism structure 17 also is used for making described lapping band closed.Then produce the filter tow bar 21 with two lapping bands 19 and 33 parcels, carry this filter tow bar at this along throughput direction 22.
Described filtering rod 21 measuring system 30 of passing optics is passed the image data acquiring device in other words subsequently.The measuring system of described optics in other words the image data acquiring device in the situation that reference the following drawings be explained in detail.Follow described filtering rod 21 and arrive cutter sweeps 31 places, in this cutter sweep from the described filtering rod rod upper fixed ruler cun corresponding filter stick of intercepting.After carrying out the inspection of corresponding optics by the measuring system 30 of described optics, described filter stick then arrives in other the process or in discharger 32 and discharges.
In order to affect and to optimize the quality that the quality of the impression of described the first lapping band 33 impresses in other words, can change some parameters of described processing unit (plant) 23.Such as can in described lapping tensile force of belt adjusting device 38, setting different pulling force, be used for such as the position that changes the stamping structure that applies.Can in fogger 37, obtain the different wetness degree of described the first lapping band 33.Described wetness degree preferably is between 5% to 30%, especially be in 7% to 9% and or rather this point before described imprinting apparatus 36, nearby or in described imprinting apparatus the inside measure.At this, the percentage explanation is the mass percent explanation.
By such as with preferably mixed stabilizing agent such as the water of methylcellulose to described the first lapping band 33 carry out wetting, stamping structure is pressed in the described lapping band, described stamping structure is stable.According to humidity, can affect the stability of described stamping structure.The thickness that impression groove (Pr gerillen) is set in the variation of spacing that correspondingly can be by roller platen 34 and 35 is the degree of depth in other words.At last, also can change to exert one's influence by the variations in temperature in the described drying device 39 or air supply.
As other the parameter that the in other words manufacturing in described maker 1 of filter stick exerts an influence to filtering rod that is used for, can change the corresponding parameter in the described filter tow pretreatment unit 12, such as the amount that can affect tension or coated glyceryl triacetate.
Corresponding measurement and analysis according to the view data of described or described bar form articles, affect corresponding parameter for described maker 1 is controlled and adjusted, by means of described in other words the view data of bar form articles detect quality and/or the position of described stamping structure, the operation of wherein controlling or adjust described maker according to quality and/or the position of described stamping structure.
Be provided with the measuring system 30 of the optics that also can be called the image data acquiring device and such as in Fig. 2, it being explained in detail for this reason.In Fig. 2, show the measuring system 30 of described optics in the left side.Along throughput direction 22 bar 21 is passed from the measuring system of described optics.
Measuring system 30 by means of described optics is carried out the inspection of optics to it after the bar 21 made from described lapping band parcel.Such measuring system such as Haoni Machinary Manufacturing Co., Ltd (Hauni Maschinenbau AG) is known below title ORIS.Schematically the measuring system 30 of optics so consists of shown in figure 2, thereby with optical mode the Y of the tobacco industry is scanned in other words along the material strips 21 of throughput direction 22 conveyings its lapping is brought into line scanning.At this described 21 Ys are passed from the measuring system 30 of the described preferred optics of fixing, wherein on described 21 surface, fully it is detected and imaging.
In order to scan on (part) surface to described 21, use the light from light source 52 that described is illuminated, the light of wherein said light source 52 is in the situation that use mirror tool 53 to turn to, aim at described 21 and from the surface of described lapping band in other words the light that reflects of part surface turn to towards sensor 55 from described the 21 mirror tool 54 through other, thereby the light that reflects from described 21 surface is by corresponding bar view data that sensor 55 receives and is converted into.
Preferred said view data comprise the whole surface of described material strips 21 and thus for as according to a kind of in other words two-dimentional pattern that uses the linearity that representing whole surface two this situations of lapping band preferred embodiment of the present invention.
Such as said sensor 55 in other words imageing sensor be configured to the form of CCD camera and/or CCD line scan camera and arrange annularly, thereby with optical mode described 21 whole circumference is surveyed, described bar view data is in the circumferential direction of the circle representing the surface in 360 ° circumference of described lapping band thus.Can have 140 pictorial elements such as described CCD camera, thus with described circumference be divided into 140 sections in other words resolution ratio be equivalent to divided by the circumference after 140.Be transferred to described analytical equipment in other words image data processing system 60 such as be configured to digitized have such as the view data of the form of the gray value of 256 gray value gradient in described image data processing system 60, analyzed.At this such as giving described image data processing system 60 by the described sensor 55 of arranging annularly with corresponding image data transmission, thereby can determine thus the quality of passing the stamping structure that the second lapping band glimmers position in other words on described the first lapping band.With the quality of so determining of described stamping structure in other words Position input in control or adjusting device 61, this control or adjusting device such as by signal is sent to fogger 62 in other words 37 this modes come correspondingly the operation of described maker 1 to be controlled in other words to adjust.If such as finding that by the corresponding graphical analysis of in described image data processing system 60, carrying out described stamping structure does not sufficiently manifest, described control or adjusting device will send to control signal described fogger 62 in other words 37, thus the humidity of expectation higher degree.Scheme as an alternative, also can addition larger stabilizing agent is such as methylcellulose.
Described image data processing system 60 can integrate in other words described analysis with described control or adjusting device 61 also can only carry out in described control or adjusting device 61.The below illustrates in one embodiment, and the quality which detects described stamping structure by measure of the present invention by is the position in other words.
But, at first come the described imprinting apparatus of two roller platens that comprises is described by means of the schematic intercepting part by the imprinting apparatus of Fig. 3.In this embodiment, described imprinting apparatus comprises two roller platens 34 and 35, and these two roller platens are so arranged with the less spacing of leaving each other, so that the imprinting area 72,73 of described roller platen 34,74 and 75 extend into the inside of described roller platen 35.Described imprinting area 72 to 75 has and the projection of described roller platen 35 and projection and the groove of groove shape complementation.Projection and groove in the described roller platen 35 are continuous, that is to say to arrange in the scope of the whole circumference of described roller platen 35 and imprinting area 72 to 75 that correspondingly piecewise is provided with described roller platen 34.Produce imprinting area at described the first lapping band 33 thus, described imprinting area namely replaces along the direction of Y and the zone of non-impression along the throughput direction of described lapping band 33.
The projection of described roller platen 34 has radius r 1, and described groove has the radius of r2.Correspondingly, the groove of described roller platen 35 has radius r 3 and described projection has radius r 4.For obtaining the details of more features about described roller platen and impression, please be comprehensively with reference to applicant's patent application DE 10 2,012 201 279.6.
In order to determine the quality of described stamping structure, now such as can be as shown in Figure 5 the described view data of measuring be taken in and be formed on the summation that is listed as the gray value in the scope of section in other words along the n of circumference in the corresponding gray level by Reference numeral 80.N is the in other words number of picture point of the sensor that distributes in the scope at circumference of line scan camera at this.In described circumference for the CCD camera in other words the line scan camera such as being provided with 140 sensors, be listed as in other words thereby produce 140 sections.So about the summation of described row that is to say in 140 row along the direction of measurement of Y such as described stamping structure along in the scope of the extension of the direction of Y or the filter stick of fully sizing intercepting along the total in the scope of the extension of the direction of Y such as produce as among Fig. 5 with the chart in other words of the function shown in 82.Here can find out, raw image data 80 demonstrates less contrast, thus described quality determine to have still higher unreliable factor.
But in order to estimate described quality according to the row summation by Reference numeral 82, such as considering minimum of a value and peaked spacing in the circumferential direction of the circle or considering that signal and specified model this is measured with respect to the standard deviation of the gray value that adds up to compare.For correspondingly to described signal in other words these view data process, can make described raw image data 80 binaryzations, this illustrates with 81 in Fig. 5.Then also can form corresponding row summation, described row summation has sometimes demonstrated the signal better than the analytic signal that is provided with Reference numeral 82.
But, in order to improve contrast, process highly significant as follows.Particularly preferably be by the present invention, described raw image data 80 is converted to spatial frequency spectrum, the picture signal of described raw image data is not directly to depend on the time but depend on coordinate.Thereby described view data can be understood as the signal of one-dimensional, this signal can be regarded as with a kind of spiral involute such as the gray value of the image of the frequency scanning of 10MHz.Relevant for this, then can implement in other words fast Fourier transform of Fourier transform, be used for trying to achieve corresponding frequency spectrum.Can say so, close up spatial frequency spectrum with the scan frequency of CCD camera, be used for obtaining corresponding frequency spectrum.Then such as with the wave filter (FIR wave filter) with limited impulse response this frequency spectrum being carried out filtering, the line map of described wave filter is such as schematically shown in Figure 4.Relate to a kind of bandpass filter at this, this bandpass filter has corresponding low pass share and high pass share.Such as the wave filter that is provided with nine rank with 71 delay elements and Bezier filtering feature.
The frequency spectrum that forms such as the groove number with 18 grooves of described stamping structure produces every groove peak and 7.7 pixels of trough valley for the circumference resolution ratio of 140 pixels of per 18 grooves.That is to say, when using the scan frequency of 10MHz, for described groove, produce the frequency of 1.3MHz.
That passes through filtering demonstrates more clearly profile with 83 view data that represent in Fig. 5.This obtains by the circuit of described bandpass filter according to Fig. 4.The circuit of Fig. 4 has following transfer function:
The Bessel filter that these 72 coefficient correlations are nine rank arranges.Produce thus good boundary value problem, described wave filter is also representing a kind of noise filter thus.
Described row summation, that is to say 140 patterns by described sensor measurement in other words the summation by the Reference numeral 85 among Fig. 5 of the gray value in the scope of section compare with the row summation with Reference numeral 82 and demonstrate, most clearly improved contrast and can make more accurately explanation with regard to the quality of impression thus.Described in Fig. 5 with the gray value summation shown in the Reference numeral 85 in, can in the zone of about the 110th sensor of described line scan camera, find out lower maximum.Relate to the suture of described the second lapping band at this, because absorbed larger brightness by this mode of overlap joint that is provided with described the second lapping band in this position.
Can as illustrating with Reference numeral 84, make extraly view data through filtering according to 83 binaryzations.Determine a suitable gray value at this, demonstrating more in vain described view data under this gray value and on this gray value, demonstrating described view data than the unregistered land, from this gray value, then demonstrate described view data than the unregistered land in other words.Can form corresponding row summation relevant for this, described row summation sometimes can produce the row summation that also more is rich in contrast.
For view data is described, that is to say in order also to identify better described view data in this application, in 8d, corresponding view data has been shown at Fig. 8 a.View data by Fig. 8 a is raw image data 80, is provided with two imprinting area of described lapping band and is provided with therebetween a zone that does not have impression for described raw image data on the left side and the right.Fig. 8 b shows the diagram of the gray value expansion of described raw image data 80, that is to say that so carrying out image here processes, thereby will launch each other from the small difference in the gray value of Fig. 8 a, is used for making gray value differences clearer.Correspondingly, in Fig. 8 c, illustrate such as also with FIR wave filter or the scheme situation of described raw image data 80 being carried out filtering with the wave filter of other preferred numeral for bandpass filter as an alternative with 83.For the improvement situation of view data 83 is shown better with respect to described raw image data 80, the diagram that the gray value from the data of Fig. 8 c launches has been shown in Fig. 8 d.Can clearly be seen that, described contrast is here compared with the raw image data of the expansion of Fig. 8 b and is improved and can more accurately finds out stamping structure.
In order to carry out image processing as well as possible, taked the different limiting frequencies that is used for described bandpass filter, that is to say the different ratio of the low pass limit and the high pass limit.When using the scan frequency of 10MHz, for 1.4 to 2 the high pass limiting value such as the logical low pass limiting value of having determined 0.75Hz of suitable preferably band.Also can use 1 or 1.2 or the low pass limiting value of 1.4MHz, 2 to 3MHz high pass limiting value wherein then preferably is set.In a word, preferably produce the already mentioned ratio in front with respect to the limiting frequency of high pass share of the limiting frequency of described low pass share.
Row summation in the scope of 140 sections that pass through 140 sensor measurements has been shown in Fig. 6 a, and show or rather the row summation through the spatial frequency data of filtering, described row summation produces by above-mentioned corresponding processing from described raw image data.If for the groove curve formation of corresponding optimum is approximately 2.985*10
4Mean value and the regulation standard deviation delineating out by the zone that illustrates brightlyer, that just can illustrate a kind of for the described stamping structure yardstick of groove in other words.From certain quality that can be given in advance, described quality is still enough.In Fig. 6 a, described quality is inadequate, has too low gray value because be in the maximum that the stamping structure in the zone of about the 78th sensor illustrates there, does not add standard deviation because the summation of described gray value is not higher than described mean value here.Bar form articles with this groove structure is abandoned out such as meeting thus.
In Fig. 6 b, process proceeding from the data of Fig. 6 a, and more properly so process, so that these data are also extraly by binaryzation and therefrom form described row summation.That is to say, use in principle the row summation of the view data that is provided with Reference numeral 84 of processing from the process of Fig. 5.If also form mean value and standard deviation here and use these data, have so the filter stick of this corresponding groove structure also such as being accredited as enough good quality, because being in mean value, the maximum of described summation adds on the standard deviation.
In order to describe and for better understanding: formed row summation is in the summation such as the gray value in the length range of 160mm such as the filter stick of a sizing intercepting along the direction of Y.Because approximately correspondingly absorb an image for the distance of 0.2mm along circumference, so thus with in other words 800 the gray value additions of sensor of each detector at every turn.On average should stipulate altogether the gray value of 37 in 256 gray values, thereby when according to Fig. 6 a 800 numerical value being added up to, produce 2.985*10 as mean value
4
Scheme as an alternative, the number of times that surpasses situation of the maximum of the selected limit are also effectively and described quality can not to be defined as again from specific number of times be enough.Also can calculate modulation transfer function, and or rather conduct
From the corresponding limit that must surpass of MTF, the quality of described impression is enough.
At last, also the groove model can be interpreted as a kind of sign, wherein then described model is should phase place correctly directed and then should compare with the benchmark groove.
In Fig. 7, schematically show the chart of the capable summation of raw image data.This thereby form all along the summation of the gray value of the circumference of measured filter stick or measured bar and further along described rod in other words the every 0.2mm of throughput direction of bar form again a summation.The result of this summation is shown in Figure 7 and show the corresponding gray value summation that represents with Reference numeral 86, wherein shows described gray value summation and shows distance at abscissa at ordinate.Can find significantly three different gray value zones, namely two zone and zones with higher gray value summation with lower gray value summation.Described zone with higher gray value summation is equivalent to a zone that is provided with the groove impression, and two zones then are the zones that the groove impression is not set in addition.Correspondingly, the limited proportionality can be found out as edge 87 and 87 '.Described edge 87 in other words 87 ' half on, suppose from stamping structure to without the impression structure transformation.Rear such as carrying out the cutting position adjustment therefrom.
Fig. 9 schematically shows by the control of maker of the present invention and adjusts in other words flow process.Pickup image in 90.Two method branches that will implement are arranged now.In the first method branch, in 91, calculate such as from the edge 87 of Fig. 7 and 87 ' position, in 92, affect subsequently the actuating mechanism controls signal, be used for impact and be used for from the cutter sweep 31 of filtering rod 21 sizings intercepting filter stick.This is affecting shown in the step of cutting position in 93.Comprise such as the detection of the quality shown in the different flexible programs of front in the second method branch from image capture 90 to right branch among Fig. 9, and when quality is inadequate, in 95, product is abandoned out and in 96, produced control or adjust signal, be used for such as the described moulding process of impact.This can be by exerting one's influence to described lapping tensile force of belt adjusting device 38, exerting one's influence, exert one's influence and/or carry out to such mode of exerting one's influence such as the spacing with respect to the second roller platen of described the first roller platen to described drying device 39 to described fogger 37.
Figure 10 schematically shows the section of the CP filter stick of making.Show filtering material with 110.In 111, described the first lapping band 33 is twined round described filtering material 110 on interface in interface area 111.Twine the second lapping band 19 round described the first lapping band 33 outside, described the second lapping band overlaps in seam area and is bonding there.Can find out well schematically illustrated groove at this.Can find out in other words groove of 22 groove peaks and corresponding 22 trough valleys.
Utilize describedly by method of the present invention with describedly can very effectively check by maker of the present invention, whether the impression of described the first lapping band is up to specification.If described quality descends by the machine accident or by wearing and tearing, so that be lower than rated value, that just can correspondingly detect this state and targetedly filter stick be sent.As an alternative scheme or additional project, described maker can be changed one or more parameter targetedly, and in other words corresponding control or the adjustment of quality of quality of described impression is set like this.M and n are natural numbers within the scope of the invention.
The feature that all are mentioned, also comprise the feature only from accompanying drawing, learnt and single with other the combination of feature in disclosed feature all individually and in combination, be considered as important for purposes of the invention feature.Can realize by the combination of each feature or a plurality of features by embodiments of the present invention.
Reference numerals list:
1 maker
10 filter tow bags
11 filter tow bands
12 filter tow pretreatment units
13,13 ' throughput direction
14 one-tenth strip devices
15 enter buccal funnel
Formalism structure on 17
18 reels
19 second lapping bands
20 sizers
21 filtering rods
22 throughput directions
23 processing unit (plant)s
24 feedwaies
30 image collecting devices
31 cutter sweeps
32 dischargers
33 first lapping bands
34 roller platens
35 roller platens
36 imprinting apparatus
37 foggers
38 lapping tensile force of belt adjusting devices
39 drying devices
40 guides
51 material strips
52 light sources
53 mirror tools
54 mirror tools
55 sensors
60 image data processing systems
61 control or adjusting devices
62 foggers
72 imprinting area
73 imprinting area
74 imprinting area
75 imprinting area
80 raw image datas
81 view data
82 the summations of gray value in the scope of n row
83 view data through filtering
84 through filtering and the view data process binary conversion treatment
85 the summations of gray value in the scope of n row
86 the summations of gray value in the capable scope of m
87,87 ' edge
90 image captures
91 calculating locations
92 actuating mechanism controls signals
93 affect cutting position
94 Quality Detection
95 abandon out
96 produce control signal
110 filtering materials
111 interface area
The r1 radius
The r2 radius
The r3 radius
The r4 radius
Claims (15)
1. be used for the method for maker (1) of the bar form articles of operation the tobacco industry, have the following methods step:
-carry the first lapping band (33) along the throughput direction (13 ') of Y;
-described the first lapping band (33) is impressed, wherein when impression, at least temporarily carry continuously described the first lapping band (33), thereby form stamping structure in the piecewise at least along throughput direction (13 ');
-form the bar (21) of the tobacco industry and carry described (21) along the direction (22) of Y;
-wrap up described (21) with described the first lapping band (33), wherein especially use the second lapping band (19) to wrap up the bar (21) that wraps up with the first lapping band (33);
-sizing intercepts at least one bar form articles from described (21);
-gather the view data (80) of described (21) or described bar form articles, the operation that wherein detects the quality of described stamping structure and/or position and control or adjust described maker (1) according to quality and/or the position of described stamping structure according to described view data (80).
2. by method claimed in claim 1, it is characterized in that, described view data (80) is digitized view data (80).
3. by method claimed in claim 1, it is characterized in that, described view data (80) comprises along the picture of the especially whole circumference of circumferencial direction of described or described bar form articles, wherein synchronously carries out with first frequency that can be given in advance along the picked-up of the picture of circumferencial direction.
4. by method claimed in claim 1, it is characterized in that, the adjustment of the operation of described maker (1) comprises the change of the abandoning out of the cutting position adjustment of bar (21), defective bar form articles, the parameter when making bar (21) and/or is used for the change of parameter of the impression of described the first lapping band (33).
5. by method claimed in claim 1, it is characterized in that, for the quality that detects described stamping structure and/or position described view data (80) is processed.
6. by method claimed in claim 5, it is characterized in that, form for described view data (80) is processed along throughput direction (22) and/or along the gray value of the circumferencial direction of bar (21) or the summation of colour.
7. by method claimed in claim 5, it is characterized in that, described view data (80) is changed.
8. by method claimed in claim 7, it is characterized in that, the conversion by described view data (80) forms spatial frequency spectrum.
9. by method claimed in claim 8, it is characterized in that, described spatial frequency spectrum is carried out filtering.
10. by method claimed in claim 9, it is characterized in that, implement inverse conversion and the view data (80) of processing like this is processed.
11. the maker of the bar form articles of the tobacco industry (1), has the processing unit (plant) (23) of processing for to the first lapping band (33) of the tobacco industry, wherein said processing unit (plant) (23) comprises imprinting apparatus (36), can be stamped or impress in the process of described the first lapping band (33) of the conveying (13 ') of Y by means of described the first lapping band (33) of described imprinting apparatus, wherein said maker (1) has bar building mortion (16,17), described the first lapping band (33) twines or can twine round strip material when Y is carried strip material in described building mortion, wherein be provided with image data acquiring device (30), can record or record the view data (80) of the bar (21) that twines with described the first lapping band (33) by means of described image collecting device, wherein be provided with image data processing system (60,91,94), can detect or detect quality and/or the position that is applied to the stamping structure on described the first lapping band (33) by means of described image data processing system, and wherein be provided with control or adjusting device (61,96), described control or adjusting device according to the quality that detects of described stamping structure and/or position in the control of the continuous described maker of allotment in service (1) of described maker (1) and/or adjust parameter.
12. by the described maker of claim 11 (1), it is characterized in that, as control or adjust parameter be described the first lapping band (33) in described imprinting apparatus (36) or the tension in the upstream of described imprinting apparatus (36) of humidity at its upstream, described the first lapping band (33), two spacings that are arranged on the roller platen (34,35) in the described imprinting apparatus (36) and/or from the cutting position of the bar form articles of formed (21) upper fixed ruler cun intercepting.
13. by the described maker of claim 11 (1), it is characterized in that, described imprinting apparatus (36) is arranged in the upstream of described building mortion (16,17).
14. by the described maker of claim 11 (1), it is characterized in that, in the upstream arrangement of described building mortion (16,17) filter tow pretreatment unit (12).
15. by each described maker (1) in the claim 11 to 14, it is characterized in that, be provided with the feedway (24) for the second lapping band (19), described the second lapping band (19) can so described the second lapping band (19) be flowed to described building mortion (16,17) by means of described feedway, so that can twine round described the first lapping band (33) outside.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102012204331A DE102012204331A1 (en) | 2012-03-19 | 2012-03-19 | Manufacturing machine and method for operating a manufacturing machine of rod-shaped articles of the tobacco processing industry |
| DE102012204331.4 | 2012-03-19 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103315391A true CN103315391A (en) | 2013-09-25 |
| CN103315391B CN103315391B (en) | 2017-03-01 |
Family
ID=47900750
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310087634.0A Active CN103315391B (en) | 2012-03-19 | 2013-03-19 | The manufacturing machine of the bar form articles of the tobacco industry and manufacturing machine operation method |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP2641481B1 (en) |
| CN (1) | CN103315391B (en) |
| DE (1) | DE102012204331A1 (en) |
| PL (1) | PL2641481T3 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110519999A (en) * | 2017-04-11 | 2019-11-29 | 吉地股份公司 | For checking device, the method and apparatus of the filter tip of embossing |
Families Citing this family (4)
| 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 |
| DE102018129256A1 (en) * | 2018-06-29 | 2020-01-02 | Hauni Maschinenbau Gmbh | Device and method for optical measurement on a product line of the tobacco processing industry and use of an optical measuring device |
| PL3587998T3 (en) * | 2018-06-29 | 2022-01-31 | Hauni Maschinenbau Gmbh | Device and method for optical measuring on a strand of products for the tobacco processing industry and use of an optical measuring device |
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Also Published As
| Publication number | Publication date |
|---|---|
| EP2641481B1 (en) | 2016-05-11 |
| DE102012204331A1 (en) | 2013-09-19 |
| CN103315391B (en) | 2017-03-01 |
| EP2641481A1 (en) | 2013-09-25 |
| PL2641481T3 (en) | 2016-10-31 |
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