CN109068722A - The device and method of optical detection are carried out for the bar form articles to the tobacco industry - Google Patents
The device and method of optical detection are carried out for the bar form articles to the tobacco industry Download PDFInfo
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- CN109068722A CN109068722A CN201780024416.9A CN201780024416A CN109068722A CN 109068722 A CN109068722 A CN 109068722A CN 201780024416 A CN201780024416 A CN 201780024416A CN 109068722 A CN109068722 A CN 109068722A
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- optical
- bar form
- form articles
- video camera
- detected
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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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- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Manufacturing Of Cigar And Cigarette Tobacco (AREA)
Abstract
The present invention relates to a kind of bar form articles for the tobacco industry, the especially equipment that is detected of cigarette with filter tip, the equipment is with the conveying mechanism for conveying the bar form articles for X direction and has for the optical testing agency detected on the conveying mechanism across the bar form articles of at least two detection zones conveying, wherein, the optical testing agency includes two video cameras and each Optical devices, wherein each Optical devices have at least one first optical axial and the second optical axial and at least one beam steering mechanism, and the second optical axial of the second optical axial of first Optical devices and second Optical devices surrounds the angle less than 45 °, and the optical testing agency includes for being surveyed by means of image procossing to the image by the shot by camera The assessment unit commented, wherein, the video camera that the identical section for the surface to each bar form articles is shot is disposed adjacently with the conveying mechanism in different positions, and the assessment unit is configured for being compared the image of each bar form articles and for identifying the interference effect to work in the optical path of the testing agency by this comparison.
Description
Technical field
The present invention relates to what a kind of bar form articles for the tobacco industry, especially cigarette with filter tip were detected to set
Standby, the equipment is with the conveying mechanism for conveying the bar form articles for X direction and has for in the conveyer
The optical testing agency that the bar form articles conveyed on structure are detected.
In addition, the present invention relates to it is a kind of for by means of optical testing agency to the bar form articles of the tobacco industry, outstanding
It is the method that cigarette with filter tip is detected, wherein convey to X direction on the conveyor the bar form articles and by
The product detects in the optical testing agency being arranged in the case that conveying mechanism described in Yu Yu is adjacent.
In addition, the present invention relates to the machine with optical testing agency of the tobacco industry, especially filter tips to assemble
Machine or filter stick manufacturing machine.
Background technique
" bar form articles of the tobacco industry " such as refer within the scope of the invention as cigarette with filter tip, cigarlet, mistake
Filter rod and more segmentation filter sticks and not smokable more segmentation products.
When carrying out optical detection, on corresponding product qualitative character, such as size, surface state, integrity,
Segmentation-either component mark, segmentation-or component positioning, stamp printing (Stempelaufdrucke), symbol of value
(Wertzeichen), label (Beschriftungen) etc. is detected.
In order to carry out optical detection, to use row scanning camera or matrix video camera and also make more and more
With DV, the row scanning camera or matrix video camera and DV are due to image quality and resolution
The requirement of quality and be equipped with expensive big camera lens.In order to such as on the whole in no distortion and to the bad of clarity
Influence in the case where observe the product, need very big spacing of the measurement object relative to video camera.But more
It is segmented on many positions of filter tip machine, filter assembly machine or film winder, due to the geometry in these machines
On premise often without carrying out optical detection with such big system.In addition, should be arranged with reflecting mirror and/or rib
The path optically of the length of mirror.
Individual light source is commonly used for the illumination of measurement object to realize, the individual light source is due to relative to described
The big spacing of object and high luminous intensity must be possessed, generate unwelcome heat and be made to it is bigger, as such as halogen
Plain lamp.Illuminating device, such as halogen lamp and incandescent lamp also have the shortcomings that non-uniform illumination.Especially there is edge decrease, this
Attempt to correct by optical lens.In addition to this, it encounters difficulties at the surface of perception reflex.In the machine of the tobacco industry
The particle that hovers in the environment of the dust accumulation of device disturbs optical monitoring as such as tobacco dust, tobacco waste, paper scrap and goes out
It now accidentally assesses, this can only be arranged due to the big spacing of used mechanism for monitoring or testing agency by troublesome as a result,
It applies to reduce.
0 812 548 B1 of EP discloses a kind of device that the integrity for the outside to cigarette is monitored, horizontal axis
The cigarette is conveyed from the side of multiple line-scan cameras on conveying cylinder to ground and makes the perfume (or spice) on transport path
Cigarette is rotated around its longitudinal axis, this makes the additional expense of driving element become required.So taken the photograph using line scanning
Camera, so that every scan line of line-scan camera all generates the image of the vertical section on cigarette surface, single bar shaped.Cause
Number for the line-scan camera is restricted, thus only to cigarette surface, with the line scanning report as head
The section of the corresponding number of number is checked rather than whole surface.In addition, lacking there for described device
Individual lighting mechanism and the accidental luminous environment for thus depending on more precisely environment.Further, since radially
The line-scan camera that is separated relative to conveying cylinder and very big structure space should be provided.
A kind of optical testing agency is disclosed from 34 20 470 A1 of DE, the testing agency is in the first conveying cylinder
It is upper that there are the second detector segments with the first detector segments and on the second conveying cylinder.Two light in each detector segments
Detection device orients at different angles relative to conveying cylinder surface, and the optical detection device is in relative to each other
Right angle and the adjacent circumferential sectors of bar form articles are detected.There described optical testing agency due to
The diametrically opposite optical testing agency separated in the conveying cylinder also needs other than the lighting mechanism distributed
Very big structure space.Additionally, there are it is following certain a possibility that: the particle that hovers, as such as tobacco grain disturbs
It is optical to monitor and occur accidentally assessing.
A kind of optical inspection of package progress for bar form articles is disclosed from 1 826 557 A1 of publication EP
The mechanism of survey, the mechanism have the conveying device of rotation, and the conveying device is used for the product with the column X direction of single layer
Ground is carried through detection zone, and there are two bats being directed at the same detection zone, being constituted in the form of video camera for the detection zone tool
Take the photograph device, wherein the filming apparatus orients with being substantially perpendicular to each other.It is required that a kind of mechanism and a kind of right of method, institute
The common assessment of mechanism and the method by the image for two video cameras is stated for the table for having product to be detected
The dirty particles freely to fly in space between face and the filming apparatus are identified.Seem energy using this mechanism
It enough identifies the dirty particles freely to fly, but cost of device, for unique detection zone opening for two video cameras namely is set
It sells very big.Described optical testing agency is additionally due to the diametrically opposed optics separated in conveying cylinder there
Testing agency very big structure space is also needed other than the lighting mechanism distributed.
Testing agency described above in filter tip title assembly machine more particularly to being arranged for in these machines
Manufactured cigarette with filter tip is detected on device.The filter assembly machine of applicant is known as mark " MAX ".
As filter assembly machine, refer to a kind of for manufacturing the machine of cigarette with filter tip, the machine: having for receiving
The device of the more times of tobacco rods using length；With the device for these tobacco rods to be cut into the single times of tobacco rods using length
Part；With the device for being added to the filter tip bung of Double Length between the tobacco rods of single length；With for passing through
The device that the mode wrapped up with the clad can scraps of paper connects the tobacco rods of the filter tip bung of double length and two single lengths；
With the device for executing intermediate segmentation for the filter tip bung next to the double length, so that the use for generating standard is long
The cigarette with filter tip of degree.Next make the cigarette with filter tip be subjected in the filter assembly machine sealing propertytest and/or
Top or fire end detection and/or ventilation degree detecting and/or optical detection at least once.Carrying out the leakproofness inspection
When survey, to every single cigarette load detection air on detection roller.If measured pressure deviates target value herein,
So relevant cigarette is just defective and to be abandoned.When carrying out top detection, for example optical measured value connects
Receiver detects the density of tobacco in the top of the cigarette.When carrying out the ventilation degree detecting, it is empty that detection is loaded to cigarette
Gas.Measured outlet/inlet pressure ratio is proportional to the ventilation degree of the cigarette.
In addition to this, product/system by optical testing agency about manufactured stick on filter assembly machine
The surface state-of product, especially cigarette with filter tip as front it is cited it is described in the prior-it is examined
It surveys.
Often there are the following problems: hover particle, especially tobacco waste be present in described image and by
There is the assessment of mistake in the assessment unit in this, is thus likely to occur unreasonable rejecting amount (Schuss), because sudden
The imaging of the tobacco waste to fly to can be incorrectly attributed to the defect of bar form articles.Unreasonable rejecting amount leads to production efficiency
It reduces.Measure different, for reducing unreasonable rejecting amount has been had attempted in the prior art.Here, having already passed through
It confirms, purely mechanic precautionary measures are inadequate.The tobacco waste can be made targetedly to be biased to by compressed air,
But this is related to high additional energy consumption.Known in the assessment unit by means of feature of the image procossing to tobacco waste
Desired precision is not realized.
Summary of the invention
Using this prior art as starting point, task of the invention lies in product/system of the stick to the tobacco industry
The interference effect in the manufacturing process on the machine of the tobacco industry is reduced to bottom line when product carry out optical detection.
In addition, an advantageous aspect of the invention is, optical testing agency advantageously is used for by required
Structure space is reduced to bottom line.
Another advantageous aspect of the invention is, with high speed of production advantageously assure that the rod-shaped products/
Product is absolutely detected.
Finally, another aspect of the present invention is, optical inspection is carried out in the rod-shaped products to the tobacco industry/product
Unreasonable rejecting amount is reduced when survey and thus improves machine performance.
These aspects are set by what a kind of bar form articles for the tobacco industry, especially cigarette with filter tip were detected
Standby accomplished, the equipment is with the conveying mechanism for conveying the bar form articles for X direction and has for in institute
It states conveying mechanism, especially detect the optical inspection detected on roller across the bar form articles of at least two detection zones conveying
Survey mechanism, wherein the optical testing agency includes two video cameras and in each video camera and the inspection that is accordingly distributed
Each Optical devices between area are surveyed, wherein each Optical devices have at least one first optical axial and the second optic axis
Line and at least one beam steering mechanism.First optical axial of first Optical devices is from corresponding detection zone court
First beam steering mechanism stretching, extension, and second optical axial from the beam steering mechanism, preferably through another
A beam steering mechanism stretches towards first video camera.First optical axial of second Optical devices is from corresponding
Detection zone towards first beam steering mechanism stretch, and second optical axial from the beam steering mechanism, preferably
It is stretched by another beam steering mechanism towards second video camera.
Second optical axial of first Optical devices and the second optical axial of second Optical devices preferably enclose
At the angle less than 45 °, preferably smaller than 15 °, particularly preferably less than 5 °.The beam steering mechanism preferably has at least one side anti-
Penetrate mirror and/or at least one side prism.
Within the scope of application, " detection roller " this concept advantageously refers to the conveying cylinder of the tobacco industry, institute
It states conveying cylinder and is used for the direction conveying bar form articles along X direction, as such as cigarette, double cigarette
(Doppelzigarette), filter stick or multi-filtering mouth stick and similar articles, wherein the detection roller has
Either possess the device for being detected and/or wherein arranges or set in the case where adjacent with the conveying cylinder
The device for being detected to the bar form articles conveyed is set, wherein in the feelings using the device for being detected
The bar form articles on the conveying cylinder can be detected in optical, electric and/or mechanical mode under condition.The inspection
It surveys roller and is preferably configured as grooved drum, the grooved drum has the largely separatedly cloth in the case where being parallel to rotation axis
Set slot in roll circumference, for receiving bar form articles.
The aspect that required structure space is reduced to bottom line is preferably passed through one kind to be used to carry out bar form articles
The equipment of detection is realized, wherein the second of the second optical axial of first Optical devices and second Optical devices
Optical axial be correspondingly parallel to the detection roller, tangent line in the roll circumference in the detection zone distributed and hang down
Directly in the rotation axis stretching, extension of the detection roller.It is flat to realize by this advantageous design scheme in optical path
Structure." flat " meant here that by the shell of the outside from the rotation axis of the detection roller up to the Optical devices
The spacing on side keeps degree as small as possible.As tangent line, refer on the circumference for detecting roller within the scope of the invention
Following tangent lines, the tangent line stretching in the middle across the stretching, extension of the center of detection zone, such as two slots in detection zone
Exhibition.The line for surmounting the center of two bar groove is then correspondingly parallel to the string of aforementioned tangent line stretching, extension.
At the first for realizing proposing in " small structure space " improvement project in terms of this, first video camera
Optical axial be overlapped with the second optical axial of first Optical devices, and the optical axial of second video camera with
Second optical axial of second Optical devices is overlapped.It is achieved in particularly advantageous beam guiding, because not needing in addition
Beam steering mechanism.
A kind of scheme that is advantageously improved is characterized in that the optical axial of first video camera is relative to first light
The second optical axial for learning device sideling stretches at an angle, and the optical axial of second video camera is relative to institute
The second optical axial for stating the second Optical devices sideling stretches at an angle.Thus, it is possible to realize the video camera extremely
Changeable arrangement, for it is contemplated that intractable installation situation geometrically.
It is proposed in the third improvement project for reducing " structure space ", the optical axial base of first video camera
It is stretched in sheet transverse to the second optical axial of first Optical devices, and the optical axial of second video camera is basic
On transverse to second Optical devices the second optical axial stretch.Be achieved in it is flexible, can be with frame geometrically
The flexible arrangement of beam guiding and the video camera that condition matches.
It is proposed in a kind of design scheme particularly advantageous, for reducing " structure space ", described first and second take the photograph
The optical axial of camera is arranged essentially parallel to the rotation axis stretching, extension of the detection roller.It is preferred that the video camera and detection roller
Circumference is disposed adjacently, and thus utilizes free space particularly well.
First Optical devices and second Optical devices are correspondingly preferably configured as the microscope group of dipped beam
(entozentrische Optik).
It is preferred that the optical testing agency be respectively provided with it is multiple, especially three can individually be adjusted in terms of luminous intensity
Lighting mechanism that is saving and can individually converting, the lighting mechanism is along itself and the rotary shaft for detecting roller (34)
The parallel longitudinal elongation of line stretches and is preferably configured as LED bars (LED strip).
Another advantage namely guarantees that the advantages of higher inspection speed is accomplished by the following way, it may be assumed that described two
A video camera and described two Optical devices are constructed and are set up: correspondingly make specific bar form articles, it is especially basic
The upper same circumferential surface section being successively taken is imaged on the imaging sensor of corresponding video camera together.Described image
Sensor preferably has at least 1,300,000 pixels, wherein having 5,000,000 pixels for required higher image resolution ratio
It can be also applicable in the imaging sensor of higher pixel.
Another advantage namely guarantees that the advantages of higher inspection speed is preferably accomplished by the following way, it may be assumed that one
The structure of revolution is obliquely arranged or be configured to the imaging sensor of a or each video camera, so that described image passes
The optical axial of the normal of sensor and corresponding video camera formed at least 1 °, preferably at least 2 °, further preferably at least 3 °, such as
3.8 ° of angle.Fig. 8 schematically illustrates video camera 61, which has camera lens 75 and comprising diagrammatically only showing
Plane imaging sensor 78 sensor unit 77, the camera lens and the sensor unit such as pass through 79 phase of bellows
For each other at least 1 °, be preferably in 1 ° with 10 ° between, further preferably in 1 ° with 6 ° between
Angle arrange.It is particularly advantageously elongated with the focusing range (Sch rfebereich) of this measure, the object
(gedehnt), so that two parallel with its longitudinal axis, such as flat in conveying cylinder or trough of belt band (Muldenband)
The bar form articles in slot separated capablely are the same to be clearly imaged.Thus following advantages is generated: relative to only one stick system
Double shooting time is realized in the shooting of the image of product with identical conveying speed.The optical phenomena being based here on is referred to as clear
Clear degree stretches (Sch rfedehnung).Condition for this respect is: the object plane of the bar form articles, camera lens principal plane
And the imaging plane in described image sensor intersects in common straight line.
Being previously mentioned for task also by a kind of feature with independent claim to a method 13 and 16, for tobacco
The method that the bar form articles of processing industry are detected is resolved.
In a preferred embodiment, the optical testing agency correspondingly divides in each video camera and accordingly
There are Optical devices, wherein each Optical devices have at least one first optical axial and the second optics between the detection zone matched
Axis and at least one beam steering mechanism, wherein light beam is by corresponding detection zone along the first of first Optical devices
Optical axial is guide further to first beam steering mechanism and turns to there, so that it is next along described
Second optical axial is preferably directed to the first distributed video camera by another beam steering mechanism.Correspondingly present
Light path and optical path of second Optical devices to second video camera out.
In a kind of preferred improvement project, the optical testing agency has assessment mechanism, assessment mechanism structure
Make by means of the bar form articles circumferential surface section, algorithm, the especially filtering algorithm of the image that successively shoot in the past
And/or computational algorithm is to generate the corrected of this circumferential surface section and/or without the image of artefact.
In addition to this, a kind of salient point of advantageous design scheme of the method for being detected to bar form articles exists
In, with bar form articles detection zone by the optical testing agency it is multiple, especially at least four, preferably at least three
LED strip illuminates.The luminous intensity of each LEDs of the LED strip is so adjusted, to the free of the bar form articles occur
The illumination uniformly scattered on circumferential surface, wherein preferred to signal required for the LED strip is connected by synchronization unit
It is controlled on the basis of the signal for the rotation angle transmitter being among effect connection with the detection roller.
In addition, for described for for the method that bar form articles are detected, it is preferred that make the image of video camera
Sensor perturbations or revolution, so that the normal of described image sensor forms at least 1 ° with the optical axial of corresponding video camera
Angle, thus the adjacent and parallel bar form articles that separate substantially equally clearly in described image sensor at
Picture.Advantageously pass through the corresponding inclination of lens principal plane according to the spacing of the slot on the conveying cylinder and/or detection roller
Degree is to adjust the focusing range.Thus, it is possible to advantageously establish the focusing range depending on pitch, the focusing range is with defeated
The separation of roller is sent and detected as orientation.
Advantageously, moreover provide the tobacco industry a kind of machine, the machine have by it is of the invention, for adding to tobacco
The equipment that the bar form articles of industry are detected, wherein at least one described detection roller is arranged in the downstream of assembling roller.This
Outside, the machine preferably includes: rotation angle transmitter, the rotation angle transmitter and it is described at least one detection roller and for pair
The synchronization unit that the LED strip and/or the video camera are manipulated is among effect connection: and/or indication mechanism, this is aobvious
Show that mechanism is constructed and is set up: while showing the figure of predetermined detection zone correspondingly successively shot by the video camera
The imaging of the predetermined circumferential surface section of picture and/or the same bar form articles successively shot or image.
It is preferred that the machine is with multiple rollers, namely conveying cylinder and at least one assembling roller and preferably at least
One cutting-cylinder and/or at least one rolling roller, wherein the machine is at least partly configured to filter tip assembly unit
Or more sectional units.Have bar form articles to be detected, namely especially filter stick, be segmented product, filter tip more
Burning cigarette (HnB- cigarette) or cigarlet are not rolled by means of at least one described detection herein for cigarette, electronic cigarette, heating
Passed through with small spacing from the side of at least one optical testing agency to cylinder X direction.
In order to solve to reduce unreasonable rejecting amount and thus improve task as machine performance, mentioned according to the present invention
For a kind of equipment that the bar form articles for the tobacco industry are detected, the equipment: has and convey stick for X direction
The conveying mechanism of shape product；And there is optical testing agency, the optical testing agency is for detecting in the conveying
Mechanism especially detects the bar form articles that the conveying of at least two detection zones is passed through on roller, wherein the optical testing agency
With multiple, preferred just two video cameras；And have for by means of image procossing to by the shot by camera
The assessment unit that image is tested and assessed, wherein described for being shot to the substantially the same region of each bar form articles
Camera arrangements on the different positions of the conveying mechanism, and the assessment unit is configured for bar form articles
Defined by the image successively shot of circumferential surface section be compared and by this comparison in the detection machine
The interference effect to work in the optical path of structure is identified.
Due to being carried out on the different positions in the conveying mechanism to the substantially the same region of each bar form articles
Shooting, namely each bar form articles redundancy image generation, always enough image informations are available, to be used for
It can reliably identify and eliminate the interference effect in the region of the optical testing agency.The present invention is based on following herein
It is true: specific interference effect due to it is different, lead to the optical path of two video cameras and differently in described two video cameras
It is had an impact in image.If for example there is tobacco on specific position in the image shot by first video camera
Bits, then this tobacco waste would not go out on the same position in the identical image by second shot by camera
It is existing, because the video camera is arranged on the different positions of the conveying mechanism according to the present invention.
By means of the present invention, can identify between checked bar form articles and the imaging sensor of corresponding video camera
Interference effect.It is other than tobacco waste and other particles in air, it can be found that interference effect such as may be described
The failure of the single pixel of the sensor of the foul or imaging of the optical element of testing agency.
It is preferred that the image of identical circumferential surface section or region to each bar form articles is compared to each other.It can
Can, the interference effect that works in the region of the testing agency then can be by this comparison particularly by figure
It identifies and eliminates as the suitable algorithm of processing.Advantageous by algorithm, especially bar form articles or more specifically
The a part on the surface of bar form articles, the image data filtering of image that successively shoots and/or image data be coupled to obtain
Corrected and/or without artefact the image of bar form articles.
Detailed description of the invention
The present invention is explained referring to attached drawing below by way of preferred embodiment.Herein
Fig. 1 is schematically to face the section for showing filter assembly machine；
Fig. 2 a schematically shows the filter assembly machine having in the first embodiment there are two optical testing agency
Drum apparatus；
Fig. 2 b schematically shows the filter assembly machine having in the second embodiment there are two optical testing agency
Drum apparatus；
Fig. 3 schematically shows the optical testing agency of the first embodiment according to the invention；
Fig. 4 schematically shows the optical testing agencies of second of embodiment according to the invention；
Fig. 5 schematically shows the optical testing agency of the third embodiment according to the invention；
Fig. 6,7 show the example for carrying out image procossing for the image to intact and defective bar form articles；
Fig. 8 shows the view of image taking mechanism in one embodiment of the invention；
Fig. 9 show flow chart according to the invention and
Figure 10 shows the diagram of the simplification of the image-forming principle of the third embodiment according to the invention according to Fig. 5.
Specific embodiment
A kind of filter assembly machine is partially illustrated with front view in Fig. 1, wherein the filter assembly machine passes through
Drum apparatus T for conveying tobacco rods receives the double cigarette using length from the cigarette sett frame SE being schematically drawn into
Straw.
On transport path in the double tobacco rods using length, towards assembling roller 21, it is cut
Cut and vertical axis opened (gespreizt).On assembling roller 21, transported by another drum apparatus F double
The filter tip bung of double-length, between the tobacco rods that the filter tip bung is spaced with being correspondingly inserted in two vertical axis.As a result,
A series of tobacco rods-filter tip bung-tobacco rods-the group successively arranged with forming X directions on the assembling roller 21.Institute's group
The product group of dress delivers (ü bergeben) to conveying cylinder 22 by the assembling roller 21.
By gluing and the clad can paper tape 11 that is conveyed rolled in clad can device (Belagapparat) 10 in cutting
The so-called clad can scraps of paper are cut by the knife of knife roller 13 on cylinder 12.The clad can scraps of paper cut during delivering correspondingly
In the product group or tobacco rods-filter tip bung-tobacco rods-group being fixed on the conveying cylinder 22.The following system
Product group continues to be transported to next rolling roller 26 and rolling mechanism 27 together with the clad can scraps of paper correspondingly fixed, by
In the rolling roller and rolling mechanism by the clad can scraps of paper completely in centre around the tobacco rods-filter tip bung-cigarette
Straw-group is wound.The rolling mechanism 27 is in a kind of design scheme by support wheel (Stegrad), with the rolling of rolling surface
Dynamic pin (Rollhand) is constituted, wherein and the rolling surface and the opposed surface for rolling roller 26 form roll channel,
The cigarette with filter tip of double length is consequently formed come winding product group with the clad can scraps of paper in the roll channel.
The cigarette with filter tip of the following double length is forwarded to conveying cylinder 28 and next proceeds to be forwarded to
Another conveying cylinder 29, and provided on filter assembly machine for further process.
The cigarette with filter tip of the double length is conveyed to cutting-cylinder by conveying cylinder 30 by the conveying cylinder 29
31, the cutting-cylinder is assigned the cutter 32 of rotation, and the cutter in the cigarette with filter tip of the double length from passing through
Between separation cutting manufacture the single times of cigarette with filter tip for using length.
The subsequent cigarette with filter tip is handed to by the cutting-cylinder 31 opens roller 33.In the opening roller 33
On, it is separated from each other and is then forwarded to conveying cylinder 35 to the cigarette with filter tip vertical axis.
The subsequent cigarette hands to next detection roller 34, the detection roller distribution by the conveying cylinder 35
There are the first testing agency 44 and the second testing agency 45, first testing agency and the second testing agency are arranged in different circles
It on all positions, such as is arranged on shown 1 o'clock position and 3 o'clock position, for the phase repeatedly to the cigarette 50
Same region is checked (inspizieren) that the assessment unit 80 can therefrom derive the process about the surface
The information of the integrity (Unversehrtheit) of the section of inspection and/or the stamp position of the clad can scraps of paper
(Stempelposition) and/or correct position.This is explained in more detail further below.
Fig. 2 a schematically shows the view for the equipment (Anordnung) being made of roller, and the equipment includes opening
Roller 33, first detects roller 34, second and detects roller 35 and next conveying cylinder 36.It was incited somebody to action by the opening roller 33
The pairing being flared to the vertical axis of filter tipped cigarette 50 is handed to the first detection roller 34 and is next handed to described
Second detection roller 35.Fig. 2 a shows two optical testing agencies 44,45 according to Fig. 5 twice, but does not have there
Shell, wherein each optical testing agency 44,45 is associated with detection roller 34,35, thus by the video camera 61,62 energy
It is enough to shoot and be next able to detect the product of stick or the whole circumference of product.
The opening roller, conveying cylinder and detect roller rotation under, from described the about in 9 o'clock position
Transport the cigarette with filter tip 50 in the side of one testing agency 44, wherein the filter tip conveyed on the detection roller 34
Cigarette 50 passes through the detection zone 46 of (durchlaufen) described testing agency 44 herein.As such as in figure 6 and figure 7 above
As shown, two images of the specific circumferential area of the cigarette with filter tip 50 are shot in the detection zone 46.
The cigarette with filter tip 50 then is transported from the side of second testing agency 45 about in 3 o'clock position, wherein in institute
State the detection zone 47 that the cigarette with filter tip 50 conveyed on detection roller 35 passes through the testing agency 45 herein.In the detection
In area 46, the image of two about 90 ° of circumferential area of the cigarette with filter tip 50 is correspondingly successively shot twice, to make
Preceding 180 ° of imagings of the circumference of the cigarette with filter tip 50.The filtering is correspondingly successively shot twice in the detection zone 47
The image of two about 90 ° of residue of circumferential area of mouth cigarette 50, thus after making the circumference of the cigarette with filter tip 50
180 ° of imagings.By captured image transmission (leiten) to the assessment unit 80 and there with regard to the cigarette with filter tip
50 predetermined characteristic, especially with respect to the surface by the integrity of section checked and/or the clad can scraps of paper
Stamp position and/or correct position be subjected to testing and assessing.This will be explained in more detail by means of Fig. 6 and Fig. 7 by continuing with.
Fig. 2 b schematically shows the view for the equipment being made of roller, and the equipment includes opening roller 33, conveying
Roller 35, detection roller 34 and next conveying cylinder 36.By the opening roller 33 by the vertical axis of cigarette with filter tip 50
The conveying cylinder 35 is handed in the pairing that ground is flared.Fig. 2 b such as two optical testing agencies are in not corresponding shell
In the case of it is shown in figures 3 and 4 as show described two optical testing agencies 44,45, wherein described two light
Testing agency is associated with unique detection roller 34.
Under the rotation of the roller, transported about in 3 o'clock position from the side of first testing agency 44
The cigarette with filter tip 50, wherein the cigarette with filter tip 50 conveyed on the detection roller 34 is herein by the detection
The detection zone 46 of mechanism 44.As such as in figure 6 and figure 7 it is indicated above go out as, shoot institute in the detection zone 46
State the image of the specific circumferential area of cigarette with filter tip 50.Then from second testing agency about in 1 o'clock position
The cigarette with filter tip 50 is transported on 45 side, wherein the cigarette with filter tip 50 conveyed on the detection roller 34 leads to herein
Cross the detection zone 47 of the testing agency 45.In detecting 3 areas 47, as such as in figure 6 and figure 7 shown by the centre,
The same circumferential area of cigarette with filter tip 50 or circumference area as described in the shooting front in first testing agency 44
The image of section.
Captured image is transmitted to the assessment unit 80 and there with regard to the preparatory of the cigarette with filter tip 50
Determining characteristic, especially with respect to the surface by the integrity of section checked and/or the stamp position of the clad can scraps of paper
And/or correctly position is subjected to testing and assessing.It continues with and more acurrate explanation is carried out to this by means of Fig. 6 and Fig. 7.
Fig. 3 is schematically shown by image capturing device of the invention.It is arranged two and possesses taking the photograph for camera lens 75,76 respectively
Camera 61,62.By means of each video camera 61,62 in unshowned imaging sensor photographs such as two images.It relates to herein
And two adjacent circumferential surface sections of cigarette with filter tip 50.Mostly just exist when being conveyed to X direction on detecting roller 34
The cigarette with filter tip 50 is detected in image.In this embodiment according to Fig. 3, by means of described by of the invention
Optical testing agency 44,45 passes through the first beam steering unit of the element, namely the first Optical devices 67 that accordingly reflect
71 polygonal mirror (Spiegel) 73 and a face prism 74, by two imagings, namely described first detector segments 46,47
In two of the first cigarette with filter tip 50 imagings respectively for 90 ° of circumferential surface section next converged with the first and second optical paths
Merge and along the first optical axial 63 and the guiding of the second optical axial 64 to first video camera 61.In addition, passing through reflection
Element, namely the second Optical devices 68 the second beam steering unit 72 polygonal mirror 73 and prism 74, by two
Be imaged (Abbildung), two of the second cigarette with filter tip 50 in namely described second detector segments 48,49 be respectively 90 °
Circumferential surface section imaging next converge with the third and fourth optical path along the first optical axial 65 and next after
It is continuous to guide along the second optical axial 66 to second video camera 62.This two images are stored in unshowned image storage
In device.
If the present detection roller 34 continues to rotate, first mistake after predetermined angle position
Filter tipped cigarette 50 just reaches in second detector segments 48,49 and as previously described by second video camera
62 shoot and are stored in described image memory.
The image as captured by the video camera 61,62 is sent to the assessment list schematically shown in Fig. 2 a and 2b
Member 80 and there by means of number image procossing test and assess to it.The assessment unit 80 especially has miniature place
Manage the DPA data processing activity of the electronics of device or microcontroller.The assessment unit 80 can in individual computer or
It is realized in apparatus control mechanism.It can advantageously make the result of the assessment at display (Bildschirmger t) 81
On shown to machine operator.
In addition, Fig. 3 respectively illustrates three LED strips 60, the LED in the region of the beam steering unit 71,72
Item guarantees for the uniform of the cigarette with filter tip 50 in corresponding detection zone 46,47,48,49 and scatters (diffuse)
It illuminates (Beleuchtung).The manipulation that the beat of the LED strip 60 is synchronous and angle is synchronous is passed through unshowned same
Unit is walked to carry out, the synchronization unit obtains from same unshowned rotation angle transmitter, impulser or decomposer
To corresponding input signal.Correspondingly make two circumferential surface sections of the cigarette with filter tip 50 in the video camera as a result,
61, it is imaged on 62 imaging sensor.Pass through the assessment unit online for the predetermined circle of the same filter cigarette 50
Perimeter surface section, the image successively shot that so generates is compared each other.
Fig. 4 schematically shows another kinds to press image capturing device of the invention.Setting two possess respectively camera lens 75,
76 image taking mechanism or video camera 61,62.It, can be simultaneously together unshowned by means of each video camera 61,62
Imaging sensor photographs two open image.Herein relate to two of two adjacent cigarettes with filter tip 50 virtually adjacent circumference
Surface segment.In this embodiment according to Fig. 4, passed through by means of described by optical testing agency 44,45 of the invention
The polygonal mirror 73 of first beam steering unit 71 of the element, namely described first Optical devices 67 that accordingly reflect makes institute
State the corresponding imaging of 90 ° of circumferential surface section of the first and second cigarettes with filter tip 50 in the first detector segments 46,47
Next converge with the first and second optical paths and guide together along the first optical axial 63 and the second optical axial 64 to institute
State the first video camera 61.Further towards the several roller troughs in downstream, filled by the element, namely described second optics that accordingly reflect
The polygonal mirror 73 for setting 68 the second beam steering unit 72 makes the third and fourth mistake in second detector segments 48,49
The corresponding imaging of 90 ° of circumferential surface section of filter tipped cigarette 50 next converges with the third and fourth optical path and edge together
The first optical axial 65 and the second optical axial 66 guiding to second video camera 62.Two images are stored in not
In the video memory shown.If the present detection roller continues to rotate, after predetermined angle position
First and second cigarette with filter tip 50 just reaches in second detector segments 48,49 and as previously described
It is shot and is saved in described image memory by second video camera 62.In addition, Fig. 4 turns to list in the beam
Respectively illustrate three LED strips 60 in the region of member 71,72, the LED strip guarantee for corresponding detection zone 46,47,
48, the cigarette with filter tip 50 in 49 uniform and the illumination scattered.In order to avoid repeating, about for the LED strip 60
Manipulation and for described image or imaging assessment with reference to description related with this about Fig. 3.
Fig. 5 schematically shows another kind by image capturing device of the invention.Setting two possess respectively camera lens 75,
76 video camera 61,62.By means of each video camera 61,62, figure successively is opened in single imaging sensor photographs two together
Picture.Herein relate to t at the time of two differences1And t2The substantially same circumferential surface section of cigarette with filter tip 50.According to
In this embodiment of Fig. 5, by means of it is described by optical testing agency 44,45 of the invention by the element of reflection, also
The reflecting mirror 73 for being the first beam steering unit 71 of first Optical devices 67 will be in first detector segments 46,47
The corresponding image for the first circumferential surface section of about 90 ° of first cigarette with filter tip 50 being previously mentioned is together with the first optical path
Along the first optical axial 63 and the guiding of the second optical axial 64 to first video camera 61.Further towards the several rollers in downstream
Slot passes through the element of another reflection, the reflecting mirror of the second beam steering unit 72 of namely described second Optical devices 68
73 make the elder generation of about 90 ° of the second circumferential surface section of the second cigarette with filter tip 50 in second detector segments 48,49
Latter two imaging converges with the third and fourth optical path and then together along the first optical axial 65 and the second optical axial 66
It guides to second video camera 62.In the further rotary motion of the detection roller 34, first filter tip is fragrant
Cigarette 50 reaches in second detector segments 48,49 and successively shoots the image of about 90 ° of the second circumferential surface section.
In the embodiment according to Fig. 5, the first beam steering unit 71 has reflecting mirror, for the reflecting mirror
Relative to vertical line along first optical axial 63 incident beam with 27.5 ° incidence angle and along described the
The beam of two optical axials 64 reflected has 27.5 ° of the angle of emergence.In the embodiment according to Fig. 5, second beam
Steering unit 72 has prism 74, especially reflecting prism, for the prism, relative to the first optics described in vertical line
The incident beam of axis 63 is with 61 ° of incidence angle and the beam of second optical axial 64 reflected has 61 °
The angle of emergence.The incidence angle and the angle of emergence may be changed by condition geometrically with +/- 15 ° for amplitude.
As can in Fig. 5 it is further seen that as, along the first optical axial 63 of first Optical devices 67
Beam incident from the detection zone 46,47,48,49 and the second optical axial 64 along second Optical devices 68
Incident beam crossover.If the present detection roller continues to rotate, the institute after predetermined angle position
The first cigarette with filter tip 50 is stated just to reach in second detector segments 48,49 and as previously described by described
Two video cameras 62 are shot twice and generated image is saved in together in described image memory.In addition, Fig. 5 is in institute
It states and shows three LED strips 60 in the region of beam steering unit 71,72, the LED strip guarantees for corresponding detection
Uniform and scattering the illumination of cigarette with filter tip 50 in area 46,47,48,49.In order to avoid repeating, about for described
The manipulation of LED strip 60 and for described image assessment with reference to the description as described in Fig. 3.According to the third embodiment of Fig. 5
It is required that the smallest expense of beam steering component and furthermore have the smallest space requirement.
According to Fig. 3, Fig. 4 and Fig. 5 by image capturing device of the invention or by optical detection device of the invention
44,45 three kinds of embodiments described above can further be optimized in terms of space requirement or locational requirement,
But this requires the slightly bigger expense of beam steering component.
In the unshowned change side of one kind by optical testing agency 44,45 of the invention according to Fig. 3, Fig. 4 and Fig. 5
In case, the video camera 61,62 is so arranged, so that the optical axial of the video camera 61,62 is perpendicular to second optics
Axis 64,66, wherein the optical axial of the video camera 61,62 is parallel to the rotation axis stretching, extension of the detection roller 34,
In, the video camera 61,62 arranged so that the camera lens 75,76 toward each other.This sky for being lowered to bottom line
Between demand shown by the shell rim being shown in broken lines in Fig. 5.
The exemplary assessment of image taking is explained below by way of Fig. 6 and Fig. 7.Fig. 6 has been illustrated above
First moment t1The image of the intact bar form articles, the cigarette of double length herein that are shot with first video camera 61
(Aufnahme) 82, but wherein such as due to the tobacco waste to hover in the optical path of first video camera 61 and can
In described image 82 it appear that as interference effect 83, corresponding dotted shade (Schatten).For traditional inspection
It surveys for device and is only taken once to each surface segment of the product of stick, it may in traditional detection device
The interference effect 83 can be evaluated as the defect of the product and abandon corresponding product, although the product is intact simultaneously
And only tobacco waste is in the optical path of first video camera 61.
According to the present invention, now with first video camera 61 again in the second moment t2Shoot the product of specific stick
Or the substantially same circumferential surface section of product, this cause it is shown in the centre of Fig. 6, about image 82 have overwhelm
The image 84 of the image information of property redundancy.This is carried out in following moments, and the product described in the moment is namely with from the inspection
It is inclined to survey the corresponding time generated in the rotation speed of roller 34 and the circumference spacing of first and second testing agency 44,45
Shifting amount is passed through from the side of first video camera 61.The interference effect of first tobacco waste is not seen in described image 84
83, because being shot on other circumferential positions at other moment.But interference effect is used as in described image 84
85 could see the shade of other tobacco wastes.
In the assessment unit 80, corrected image is calculated by the suitable connection of described image 82 and 84
86.The connection of described image 82 and 84 such as can be it is a kind of with-be coupled so that only being seen in two images 82,84
The structure obtained also appears in the corrected image 86.Artefact is detected in the picture in the assessment unit 80
(Artefakt) place uses the image information from another image.As people see in Fig. 6, pass through this
Kind mode two interference effects 83,85 in the corrected image 86 are removed (herausrechnen) and disappear.
The example of a kind of image for for defective product test and assess is shown in FIG. 7.In this reality
In example, there is tobacco waste in the optical path of second testing agency 45, the tobacco waste causes interference with influence 85.Described first
It appear that defect 87, the defect can also could see in second image 84 in the same position in image 82.Therefore, exist
This with it is high a possibility that the not instead of artefact as caused by tobacco waste or similar situation, be related to the surface of the bar form articles
On defect.Due to it is described with-be coupled, thus the defect 87 also occurs in the corrected image 86
(auftauchen).The assessment unit 80 thus, it is possible to accurately determine, the product-according to Fig. 7 the source of image 82 and 84
There is the apparent flaw occurred in the form of defect 87 and thus defective from the product-.
Fig. 9 is shown about the third embodiment as shown in Fig. 5 as optical testing agency 44
, flow chart according to the invention.Under the rotation of the detection roller 34, transported from the side of first testing agency 44
The cigarette with filter tip 50 is sent, wherein the cigarette with filter tip 50 conveyed on the detection roller 34 is herein by the detection
The detection zone 46 of mechanism 44.In the detection zone 46, the cigarette with filter tip 50 is shot by means of the video camera 61
Two images of specific circumferential surface section, wherein being carried out with the periodic process step chain that starting point 100 starts as follows:
It checks in a step 101 first, whether the cigarette with filter tip 50 has arrived at position t1, if this is the case it is verified in step
The first circumferential surface section is illuminated in rapid 102 and it is shot simultaneously on the first half of described image sensor 78
And it is stored in following step 103 in first video memory 108.Next it checks at step 104, the filtering
Whether mouth cigarette 50 has arrived at position t2, if this is the case it is verified illuminating the first circumference table again in step 105
Face section and it is carried out in the later half of described image sensor 78 shoot and saved in following step 106
In the first video memory 108.Terminate the first point of period with step 107.In the second point started with starting point 109
In period, two images and in step 112 that its is defeated are read in step 110 from the first image memory 108
Give detecting and evaluating algorithms.Next, the image generated from two picture in step 112 is stored in second image
In memory 114 and make it there such as in the assessment unit 80 for used in further processing and/or assessment.Institute
It states the first video memory and second video memory is shown for simplicity and individually, it also can be unique certainly
The video memory at least two memory spaces.
Figure 10 shows the diagram of the simplification of the image-forming principle of the third embodiment according to the invention, and the imaging is former
It manages consistent with the flow chart according to Fig. 9 and the device according to Fig. 5.As can be such as passed through directly as being learnt in Figure 10
As solid line is delineated, in moment t1Or in position t1In shoot institute for the first time in the half of described image sensor 78
State the circumferential surface section of cigarette with filter tip 50.As furthermore can be as being learnt in Figure 10, as delineated by a dotted line
Equally, in moment t2Or in position t2In to shoot the filter tip for the second time in the later half of described image sensor 78 fragrant
The circumferential surface section of cigarette 50.The optical element, such as reflecting mirror and prism and the camera lens are omitted herein, to be used for
Described in prominent in the present inventive method.
Reference signs list:
10 clad can devices
11 clad can paper tapes
12 sucking rollers
13 rotors
21 assembling rollers
22 conveying cylinders
26 roll roller
27 rolling mechanisms
28 rollers
29 rollers
30 conveying cylinders
31 cutting-cylinders
32 cutter
34 detection rollers
35 detection rollers
36 conveying cylinders
38 particles
44 testing agencies
45 testing agencies
46 detection zones
47 detection zones
48 detection zones
49 detection zones
50 cigarettes with filter tip
54 conveying directions
55 conveying directions
60 lighting mechanisms
61 video cameras
62 video cameras
63 first optical axials
64 second optical axials
65 first optical axials
66 second optical axials
67 first Optical devices
68 second Optical devices
71 beam steering mechanism
72 beam steering mechanism
73 reflecting mirrors
74 prisms
75 camera lenses
76 camera lenses
77 sensor units
78 imaging sensors
79 bellowss
80 assessment units
81 displays
82 images
83 interference effects
84 images
85 interference effects
86 images corrected, without artefact
87 defects
The starting point in 100 points of periods 1
The step of 101 points of period 1
The step of 102 points of period 1
The step of 103 points of period 1
The step of 104 points of period 1
The step of 105 points of period 1
The step of 106 points of period 1
The end in 107 points of periods 1
108 video memories
The starting point in 109 points of periods 2
The step of 110 points of period 2
The step of 111 points of period 2
The step of 112 points of period 2
The end in 113 points of periods 2
114 video memories
F drum apparatus (filter tip bung)
T drum apparatus (tobacco rods)
SE cigarette sett frame
Claims (19)
1. the equipment for being detected to the bar form articles of the tobacco industry, especially cigarette with filter tip has and is used for horizontal axis
The conveying mechanism of the bar form articles is conveyed to ground, especially roller (34) is detected and has for in the conveying mechanism
On across at least two detection zones (46,47,48,49) conveying bar form articles detected optical testing agency (44,
45), wherein the optical testing agency (44,45) include two video cameras (61,62) and each video camera (61,
62) each Optical devices (67,68) between the detection zone (46,47,48,49) and accordingly distributed, which is characterized in that every
A Optical devices (67,68) are at least one first optical axial (63,65) and the second optical axial (64,66) and at least
One beam steering mechanism (71,72), wherein the first optical axial (63) of first Optical devices (67) is from described corresponding
Detection zone (46,47,48,49) towards first Optical devices (67) at least one beam steering mechanism (71) stretch, and
And second optical axial (64) from least one described beam steering mechanism (71) preferably through another beam turning machine
Structure is stretched towards first video camera (61), and the first optical axial (65) of second Optical devices (68) is from the phase
At least one beam steering mechanism (72) of the detection zone (46,47,48,49) answered towards second Optical devices (68) stretches,
And second optical axial (66) turns to from least one described beam steering mechanism (72) preferably through another beam
Mechanism is stretched towards second video camera (62), and the second optical axial (64) of first Optical devices (67) with it is described
The second optical axial (66) of second Optical devices (68) surrounds the angle less than 45 °.
2. the equipment according to claim 1 for being detected to bar form articles, which is characterized in that the first optics dress
The second optical axial (66) of the second optical axial (64) and second Optical devices (68) of setting (67) is surrounded less than 15 °
Angle and the rolling in the detection zone (46,47,48,49) distributed for being preferably about parallel to detection roller (34)
Tangent line on cylinder circumference and the rotation axis stretching, extension perpendicular to detection roller (34).
3. the equipment as described in claim 1 or 2 for being detected to bar form articles, which is characterized in that the video camera
(61,62) are respectively provided with camera lens (75,76), wherein the optical axial and first optics of first video camera (61,62)
The second optical axial (64) of device (67) is overlapped and the optical axial of second video camera (62) and second optics
The second optical axial (66) of device (68) is overlapped.
4. the equipment as described in claim 1 or 2 for being detected to bar form articles, which is characterized in that the video camera
(61,62) are respectively provided with camera lens (75,76), wherein the optical axial of first video camera (61) is relative to first light
The second optical axial (64) for learning device (67) sideling stretches at an angle, and the optics of second video camera (62)
Axis sideling stretches at an angle relative to the second optical axial (66) of second Optical devices (68).
5. the equipment as described in claim 1 or 2 for being detected to bar form articles, which is characterized in that the video camera
(61,62) are respectively provided with camera lens (75,76), wherein the optical axial of first video camera (61) extends substantially transversely to described
The second optical axial (64) of first Optical devices (67) stretches, and the optical axial of second video camera (62) is substantially
The second optical axial (66) transverse to second Optical devices (68) stretches.
6. by the equipment described in any one of claim 1,2 or 5 for being detected to bar form articles, which is characterized in that
The video camera (61,62) is respectively provided with camera lens (75,76), wherein the optic axis of first and second video camera (61,62)
Line is arranged essentially parallel to the rotation axis stretching, extension of detection roller (34).
7. the equipment as any one of preceding claims for being detected to bar form articles, which is characterized in that institute
State optical testing agency (44,45) be respectively provided with it is multiple, especially three it is can individually being adjusted in terms of luminous intensity and
And the lighting mechanism (60) that can individually convert, the lighting mechanism is along itself and the rotation axis for detecting roller (34)
Parallel longitudinal elongation stretches and is preferably configured as LED bars.
8. by the equipment described in any one of claims 1 to 7 for being detected to bar form articles, which is characterized in that institute
It states video camera (61,62) and is respectively provided with camera lens (75,76) and imaging sensor (78), wherein described two video cameras (61,62)
And described two Optical devices (67,68) construct and are set up: making two different circles of specific bar form articles respectively
Perimeter surface section is imaged in described image sensor together.
9. by the equipment described in any one of claims 1 to 7 for being detected to bar form articles, which is characterized in that institute
It states video camera (61,62) and is respectively provided with camera lens (75,76) and imaging sensor (78), wherein described two video cameras (61,62)
And described two Optical devices (67,68) construct and are set up: make respectively specific bar form articles, it is especially substantially same
One successively captured circumferential surface section is imaged on described image sensor (78) together.
10. the equipment as any one of preceding claims for being detected to bar form articles, which is characterized in that take the photograph
The structure of revolution is obliquely arranged or be configured to the imaging sensor (78) of camera (61,62), so that described image passes
The optical axial of the normal of sensor and corresponding video camera forms at least 1 ° of angle.
11. the equipment for being detected to the bar form articles of the tobacco industry, comprising: for X direction convey the stick
The conveying mechanism of product and have for in the conveying mechanism, especially detect roller (34) on across at least two inspection
Survey the optical testing agency (44,45) that the bar form articles of area (46,47,48,49) conveying are detected, wherein the optics
Testing agency (44,45) have at least two video cameras (61,62) and for by means of image procossing to by the camera shooting
The assessment unit (80) that image (82,84) is tested and assessed captured by machine (61,62), which is characterized in that described for each
The video camera (61,62) that the identical section on the surface of bar form articles is shot in different positions with the conveying mechanism
It is disposed adjacently, and assessment unit (80) is configured for being compared the image (82,84) of each bar form articles
And the interference effect (83,85) to work in the optical path of the testing agency (44,45) is known by this comparison
Not.
12. equipment according to claim 11, which is characterized in that the assessment unit (80) is configured for: from stick system
The corrected of bar form articles is obtained in the comparison of the image (82,84) of the identical circumferential surface section of product and/or without puppet
The image (86) of mark.
13. the method for being detected to the bar form articles of the tobacco industry, especially cigarette with filter tip, wherein using conveyer
Structure, especially detection roller (34) are on optical testing agency (44,45) across at least two detection zones (46,47,48,49)
Convey to X direction the bar form articles, wherein there are two video camera (61,62) for optical testing agency (the 44,45) tool
And each Optical devices between the detection zone (46,47,48,49) in each video camera (61,62) and accordingly distributed
(67,68), which is characterized in that each Optical devices (67,68) have at least one first optical axial (63,65) and the second light
Learn axis (64,66) and at least one beam steering mechanism (71,72), wherein light beam from corresponding detection zone (46,
47,48,49) along first optical axial (63) of first Optical devices (67) it is directed to the first beam turning machine
Structure (71) and second optical axial (64) is turned to and continued on there, preferably by another beam turning machine
Structure is directed to first video camera (61), and along the first optical axial (65) quilt of second Optical devices (68)
Be directed to first beam steering mechanism (72) and turn to and continue on there second optical axial (66),
It is preferred that being directed to second video camera (62) by another beam steering mechanism.
14. the method according to claim 13 for being detected to bar form articles, which is characterized in that the detection zone
(46,47,48,49), the especially described bar form articles by the optical testing agency (44,45) multiple lighting mechanisms (60)
It illuminates, and so controls and/or adjust the luminous intensity of each lighting mechanism (60), thus in the stick system
There is the illumination uniformly scattered on the circumferential surface by inspection of product, wherein preferred to the lighting mechanism (60) is connected
Required signal is being in the letter for acting on the rotation angle transmitter among connection with detection roller (34) by synchronization unit
It is controlled on the basis of number.
15. by the method described in claim 13 or 14 for being detected to bar form articles, it is characterised in that video camera
The inclination or revolution of the imaging sensor (78) of (61,62), so that the normal of described image sensor is taken the photograph with corresponding
The optical axial of camera forms at least 1 ° of angle, to keep parallel bar form articles that are adjacent and separating substantially same
Clearly it is imaged in described image sensor.
16. the method for being detected to the bar form articles of the tobacco industry, comprising the following steps: with conveying mechanism come horizontal axis
The bar form articles are conveyed to ground, and there are two the optical testing agency (44,45) of video camera (61,62) is right by means of having
In the conveying mechanism, especially detect the stick conveyed on roller (34) across at least two detection zones (46,47,48,49)
Product carries out optical detection, and is surveyed by means of image procossing to the image as captured by the video camera (61,62)
It comments, which is characterized in that described for being shot to the identical region of each bar form articles, especially circumferential surface section
Video camera (61,62) is disposed adjacently with the conveying mechanism in different positions, and by means of the bar form articles
Algorithm, especially filtering algorithm and/or the computational algorithm of the former captured image (82,84) of circumferential surface section is implemented
Calculate, and by this comparison to the interference effect (83,85) to work in the optical path of the testing agency (44,45) into
Row identification.
17. method according to claim 16, it is characterised in that by means of the bar form articles circumferential surface section with
Algorithm, especially filtering algorithm and/or the computational algorithm of the preceding image (82,84) successively shot obtain the circumference of bar form articles
The corrected and/or image (86) without artefact of surface segment.
18. the machine of the tobacco industry is pressed at least one described in any one of present claims 1 to 12, for stick
The equipment that shape product are detected, wherein at least one detection roller (34) are arranged in the downstream of assembling roller (21), wherein institute
State machine furthermore and include rotation angle transmitter, the rotation angle transmitter and at least one described detection roller (34) and for pair
The synchronization unit that lighting mechanism (60) is manipulated is among effect connection；And including indication mechanism, the indication mechanism
So construct and set up, so as to simultaneously show the same bar form articles predetermined circumferential surface section, by
The image that the video camera (61,62) correspondingly successively shoots.
19. machine according to claim 18, which is characterized in that the machine has multiple rollers (28,29), namely defeated
Send roller (30,36), at least one assembling roller (21) and a preferably at least cutting-cylinder (31) and/or at least one rolling
Dynamic roller (26), wherein the machine is at least partly configured to filter tip assembly unit or more sectional units, wherein
Have that bar form articles to be detected, especially filter stick, to be segmented product, cigarette with filter tip (5), electronic cigarette, heating non-ignitable more
Burn joss sticks cigarette (HnB- cigarette) or cigarlet by means of be configured to detection roller (34) conveying cylinder X direction between small
Away from from the side of the testing agency (44,45) or optical testing agency (44,45) pass through.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102016107247.8A DE102016107247A1 (en) | 2016-04-19 | 2016-04-19 | Arrangement and method for optically inspecting rod-shaped articles of the tobacco processing industry |
| DE102016107247.8 | 2016-04-19 | ||
| PCT/EP2017/058792 WO2017182362A1 (en) | 2016-04-19 | 2017-04-12 | Assembly and method for optically inspecting rod-shaped articles of the tobacco-processing industry |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109068722A true CN109068722A (en) | 2018-12-21 |
Family
ID=58537011
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201780024416.9A Pending CN109068722A (en) | 2016-04-19 | 2017-04-12 | The device and method of optical detection are carried out for the bar form articles to the tobacco industry |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP3445183A1 (en) |
| CN (1) | CN109068722A (en) |
| DE (1) | DE102016107247A1 (en) |
| WO (1) | WO2017182362A1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102018100500A1 (en) | 2018-01-11 | 2019-07-11 | Hauni Maschinenbau Gmbh | Apparatus and method for testing rod-shaped articles of the tobacco processing industry |
| DE102018100499A1 (en) * | 2018-01-11 | 2019-07-11 | Hauni Maschinenbau Gmbh | Apparatus and method of the tobacco processing industry with a lighting device for optically inspecting rod-shaped articles |
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| DE102004057092A1 (en) * | 2004-11-25 | 2006-06-01 | Hauni Maschinenbau Ag | Measuring the diameter of rod-shaped articles of the tobacco processing industry |
| DE102006009482A1 (en) | 2006-02-27 | 2007-09-06 | Hauni Maschinenbau Ag | Optical control of tobacco industry products |
-
2016
- 2016-04-19 DE DE102016107247.8A patent/DE102016107247A1/en active Pending
-
2017
- 2017-04-12 CN CN201780024416.9A patent/CN109068722A/en active Pending
- 2017-04-12 EP EP17716909.1A patent/EP3445183A1/en not_active Withdrawn
- 2017-04-12 WO PCT/EP2017/058792 patent/WO2017182362A1/en active Application Filing
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0812548A1 (en) * | 1996-06-10 | 1997-12-17 | G.D S.p.A. | A method and a device for monitoring the external integrity of cigarettes |
| DE102011082646A1 (en) * | 2011-09-14 | 2013-03-14 | Hauni Maschinenbau Ag | Method for testing additive material and coating material of filter rod of tobacco processing industry, involves detecting distribution of additive or coating material in side of filter rod using digitized image data of rod periphery |
| CN104856220A (en) * | 2014-02-21 | 2015-08-26 | 豪尼机械制造股份公司 | Optical Inspection Of Rod-shaped Articles From The Tobacco Processing Industry |
| DE202015004790U1 (en) * | 2015-07-03 | 2015-08-17 | Ralf Stöcker | Optical inspection device for testing the surfaces of articles of the food and beverage industry, in particular the tobacco processing industry and the pharmaceutical industry |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102016107247A1 (en) | 2017-10-19 |
| WO2017182362A1 (en) | 2017-10-26 |
| EP3445183A1 (en) | 2019-02-27 |
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Application publication date: 20181221 |