CN101941537A - Instant noodles bowl self-aligning detection method and instrument based on machine vision - Google Patents
Instant noodles bowl self-aligning detection method and instrument based on machine vision Download PDFInfo
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- CN101941537A CN101941537A CN 201010278746 CN201010278746A CN101941537A CN 101941537 A CN101941537 A CN 101941537A CN 201010278746 CN201010278746 CN 201010278746 CN 201010278746 A CN201010278746 A CN 201010278746A CN 101941537 A CN101941537 A CN 101941537A
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Abstract
The invention belongs to the food packaging technical field and relates to an instant noodles bowl self-aligning detection instrument based on the machine vision. The instrument comprises cameras, a light source, jack-up rotating mechanisms, a position sensor, a programmable logic controller (PLC) and a computer, wherein each camera is used to detect one working position; one jack-up rotating mechanism used for holding up and rotating one bowl is arranged at each working position; the position sensor is used to sense the working beat of the packaging line; the PLC controls the movement of the jack-up rotating mechanisms according to the input of the position sensor and triggers the cameras to shoot the bowls from different rotation angles; the computer obtains the required adjusting angles for rotating and aligning the instant noodles bowls according to the input images of the bowls; and the PLC controls the jack-up rotating mechanisms to work according to the adjusting angles sent by the computer so as to adjust the rotating angles of the bowls. The invention also provides an instant noodles bowl self-aligning detection method by using the above instrument. By using the instrument and method of the invention, the angle information of the bowls can be detected and aligned quickly, objectively and accurately.
Description
Technical field
The invention belongs to the Food Packaging technology field, be specifically related to method of inspection and instrument that a kind of instant noodles noodle bowl aligns automatically.
Technical background
Along with the aggravation of global economic integration trend, the competition between the enterprise not only shows the quality of product and in price, and the quality of external packing and style have become the important component part of enterprise core competence.How to promote the level of product external packaging, establish corporate image, attract the customer to put in face of each enterprise.
In the instant noodles packaging process, common noodle bowl made of paper is put at random and is caused bowl lid and the noodle bowl pattern can not be harmonious.Can directly influence the market image of manufacturer after the product of external packing pattern confusion comes into the market, lose the customer gradually.It is that foursquare dry mixing face manufacturing line has used the automatic alignment system of noodle bowl that a noodle bowl is only arranged at present.And the circular noodle bowl fried instant noodle equipment of One's name is legion does not have the practical automatic alignment system of noodle bowl all the time.Reason has 2 points, and a circular noodle bowl fried instant noodle equipment speed is fast.The slowest speed of fried instant noodle equipment is 300 bowls of per minutes, leaves time that the automatic alignment system of noodle bowl detects and align for only less than 1 second; The accuracy requirement height that two noodle bowls align, error is less than 0.5 millimeter.Therefore the automatic alignment system of circular noodle bowl realizes that difficulty is big, does not have the homogeneous system place in operation at present, and the method that adopts manual detection to align can't realize especially, must rely on the automatic alignment system of accurate high-revolving noodle bowl to be achieved.
Summary of the invention
In view of the above problems, the purpose of this invention is to provide a kind of instant noodles noodle bowl based on machine vision that can adapt to the Fast Packet wiring and align detecting instrument automatically.The present invention realizes by following technology and method:
A kind of instant noodles noodle bowl based on machine vision aligns detecting instrument automatically, comprise at least one camera, light source, jacking rotating mechanism, position transduser, controller PLC and computing machine, wherein, each camera is used to detect a station, each station is provided with a jacking rotating mechanism that is used to hold up and rotate noodle bowl, and position transduser is used for the work tempo of perception baling line; The PLC controller is according to the input of position transduser, and the action of control jacking rotating mechanism triggers camera and takes the noodle bowl image from the different anglecs of rotation; Whether computing machine exists the position of unique point and unique point according to the noodle bowl image of input in the analysis image, obtain the rotation of instant noodles noodle bowl on this basis and align needed adjustment angle; The PLC controller is adjusted the anglec of rotation of noodle bowl according to the adjustment angle control jacking rotating mechanism work that computing machine sends, and realizes aligning of noodle bowl.
As preferred implementation, described light source is a strip source, and described camera is a black and white face battle array camera, is arranged in a row, and is positioned at the light source below, and light source and camera are fixed on the oblique upper of baling line working direction by support; Described unique point is pattern or the shape that QS sign, Chef Kang's sign, the mouth of falling soup etc. have distinguishing mark.
The present invention provides a kind of instant noodles noodle bowl that uses described detecting instrument to realize to align method of inspection automatically simultaneously, comprises following step:
1) select unique point on the noodle bowl of each station as detecting template respectively;
2) respectively each station is demarcated, set up the position of noodle bowl unique point and the relation between the noodle bowl angle.
3) select product, import the detection template and corresponding demarcation of each station automatically;
4) the PLC controller is according to the input of position transduser, and the action of control jacking rotating mechanism triggers camera and takes the noodle bowl image from the different anglecs of rotation; Whether computing machine exists the position of unique point and unique point according to the noodle bowl image of input in the analysis image, obtain the rotation of instant noodles noodle bowl on this basis and align needed adjustment angle;
5) the PLC controller is adjusted the anglec of rotation of noodle bowl according to the adjustment angle control jacking rotating mechanism work that computing machine sends, and realizes aligning of noodle bowl.
Described unique point is pattern or the shape that QS sign, Chef Kang's sign, the mouth of falling soup etc. have distinguishing mark.
Instant noodles noodle bowl of the present invention aligns detecting instrument and method automatically, pass through image collection processing system, the existence of detected characteristics point QS sign, and go out the adjustment angle of QS sign according to calibrated and calculated, the present invention makes the pattern of noodle bowl and bowl lid align according to this angle rotation noodle bowl.This method and instrument application can be quick, objective, the angle information to the noodle bowl position detects and aligns exactly, improves the quality of product external packaging greatly on packing of product line.
Description of drawings
Fig. 1 is based on the automatic alignment system front view of the instant noodle bowl lid of machine vision;
Fig. 2 is based on the automatic alignment system lateral plan of the instant noodle bowl lid of machine vision;
The software detection of Fig. 3 embodiment of the invention aligns diagram of circuit.
The specific embodiment
The present invention will be further described with embodiment with reference to the accompanying drawings below.
Referring to Fig. 1 and Fig. 2, present embodiment align detecting instrument automatically based on machine vision instant noodles noodle bowl, the pattern that can be used for 10 station instant noodles noodle bowls and bowl lid aligns and detects, and mainly comprises 10 industrial cameras 1, lighting source 2, jacking rotating mechanism 4, computing machine 5, PLC controller 6 and a position transduser 7.Computing machine is gathered the image that 10 industrial cameras 1 are taken by image pick-up card, and computer-internal is equipped with image acquisition Control Software and analyzing and detecting software.
Present embodiment is specially adapted to circular barreled instant noodles baling line, light source 2 adopts strip source, industrial camera 1 to be made up of one group of face battle array black-white CCD camera that is arranged in a row, each face battle array black-white CCD camera is used to detect the noodle bowl on the station that is positioned at its below, each black and white camera is installed in the strip source side-lower, by support black and white camera and strip source is fixed on baling line working direction oblique upper.Position transduser is positioned over baling line transmission shaft code-disc place, is used for perception instant noodles noodle bowl tact of motion, and PLC control camera is taken and the action of jacking rotating mechanism.Camera, the power supply of light source and position transduser etc. is all finished by power supply in the rack by cable.
The method that realizes: 1, proving operation is before trace routine is opened, and being used to set up the noodle bowl unique point is that QS indicates the position of (can also be pattern or the shape that Chef Kang's sign, the mouth of falling soup etc. have distinguishing mark) and the relation between the noodle bowl angle.The concrete grammar QS sign that is camera lens on the noodle bowl uses and demarcates jig and guarantee that the QS sign appears at the positive center that telltale shows the green cross bar of photo frame.The position of QS sign is 0 degree coordinate points with this moment, and motor 25 degree of making a leapleap forward are left uniformly-spaced made a leapleap forward to the right from this position electrizer, amount to 50 degree, carries out linear optimization at interval.2, camera and strip source are erected at the oblique upper of manufacturing line working direction, after the jacking rotating mechanism holds up noodle bowl and rotates, by PLC control camera noodle bowl is uniformly-spaced taken, 30 degree are taken 12 pictures altogether at interval, rotating mechanism stops the rotation, and waits for that PLC provides the adjustment instruction.Computing machine is handled every pictures real-time analysis, whether has the QS sign to determine this pictures, and obtains to adjust angle by demarcating, and sends to PLC.3, the anglec of rotation that PLC provides according to computing machine, the rotation of control motor.PLC is the boundary with 180 degree, be rotated in the forward less than 180 the time when adjusting angle, otherwise contrarotation makes that finally noodle bowl aligns;
Fig. 3 is for aligning the process step that instrument is carried out the QS Mark Detection and aligned by of the present invention automatically based on machine vision instant noodles noodle bowl:
1, set up template, the QS sign of selecting 10 stations respectively is as detecting template.
2, demarcate, respectively 10 stations are demarcated.Proving operation was used to set up the position of noodle bowl QS sign and the relation between the noodle bowl angle before trace routine is opened.
3, select product, import the template (QS sign) and the demarcation of each station automatically;
4, grasp the work tempo of baling line by position transduser, by PLC control camera and jacking rotating mechanism
Work tempo, computing machine is handled in real time to every pictures, obtains the adjustment angle of QS sign.
5, the adjustment angle with the QS sign sends to PLC, by the rotation of PLC control motor, realizes that the bowl lid aligns with the ladle body pattern.
In sum, instant noodles noodle bowl of the present invention aligns method of inspection and instrument automatically, by image collection processing system, detects the existence of QS sign, and going out the adjustment angle of QS sign according to calibrated and calculated, alignment system makes the bowl lid align according to this angle rotation noodle bowl.This method and instrument application have overcome the interference of subjective factor in artificial visually examine's method fully on packing of product line, energy is quick, objective, the angle information to the noodle bowl position detects exactly, improves the quality of product external packaging greatly.
Claims (5)
1. the instant noodles noodle bowl based on machine vision aligns detecting instrument automatically, comprise at least one camera, light source, jacking rotating mechanism, position transduser, controller PLC and computing machine, wherein, each camera is used to detect a station, each station is provided with a jacking rotating mechanism that is used to hold up and rotate noodle bowl, and position transduser is used for the work tempo of perception baling line; The PLC controller is according to the input of position transduser, and the action of control jacking rotating mechanism triggers camera and takes the noodle bowl image from the different anglecs of rotation; Whether computing machine exists the position of unique point and unique point according to the noodle bowl image of input in the analysis image, obtain the rotation of instant noodles noodle bowl on this basis and align needed adjustment angle; The PLC controller is adjusted the anglec of rotation of noodle bowl according to the adjustment angle control jacking rotating mechanism work that computing machine sends, and realizes aligning of noodle bowl.
2. the detecting instrument that aligns automatically according to claim 1 is characterized in that described light source is a strip source, described camera is a black and white face battle array camera, be arranged in a row, be positioned at the light source below, light source and camera are fixed on the oblique upper of baling line working direction by support.
3. the detecting instrument that aligns automatically according to claim 1 is characterized in that, described unique point is pattern or the shape that QS sign, Chef Kang's sign, the mouth of falling soup etc. have distinguishing mark.
4. an instant noodles noodle bowl that uses the described detecting instrument of claim 1 to realize aligns method of inspection automatically, comprises following step:
1) select unique point on the noodle bowl of each station as detecting template respectively;
2) respectively each station is demarcated, set up the position of noodle bowl unique point and the relation between the noodle bowl angle.
3) select product, import the detection template and corresponding demarcation of each station automatically;
4) the PLC controller is according to the input of position transduser, and the action of control jacking rotating mechanism triggers camera and takes the noodle bowl image from the different anglecs of rotation; Whether computing machine exists the position of unique point and unique point according to the noodle bowl image of input in the analysis image, obtain the rotation of instant noodles noodle bowl on this basis and align needed adjustment angle;
5) the PLC controller is adjusted the anglec of rotation of noodle bowl according to the adjustment angle control jacking rotating mechanism work that computing machine sends, and realizes aligning of noodle bowl.
5. instant noodles noodle bowl according to claim 4 aligns method of inspection automatically, it is characterized in that, described unique point is pattern or the shape that QS sign, Chef Kang's sign, the mouth of falling soup etc. have distinguishing mark.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010102787460A CN101941537B (en) | 2010-09-11 | 2010-09-11 | Instant noodles bowl self-aligning detection method and instrument based on machine vision |
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| CN2010102787460A CN101941537B (en) | 2010-09-11 | 2010-09-11 | Instant noodles bowl self-aligning detection method and instrument based on machine vision |
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| CN101941537A true CN101941537A (en) | 2011-01-12 |
| CN101941537B CN101941537B (en) | 2012-01-04 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108106566A (en) * | 2017-12-18 | 2018-06-01 | 天津普达软件技术有限公司 | Barreled instant noodle bowl angle detecting method on a kind of production line |
| CN108106567A (en) * | 2017-12-18 | 2018-06-01 | 天津普达软件技术有限公司 | Dry mixing instant noodle bowl angle detecting method on a kind of production line |
| CN108171687A (en) * | 2017-12-18 | 2018-06-15 | 天津普达软件技术有限公司 | A kind of method of dry mixing face capping automatic alignment |
| CN108171686A (en) * | 2017-12-18 | 2018-06-15 | 天津普达软件技术有限公司 | A kind of method of barreled face capping automatic alignment |
| CN112319917A (en) * | 2020-10-27 | 2021-02-05 | 肖敏 | Automatic packaging equipment for barreled instant noodles |
| CN115255889A (en) * | 2022-08-05 | 2022-11-01 | 浙江哈尔斯真空器皿股份有限公司 | Automatic water cup aligning and bottom pressing production line and processing method thereof |
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Patent Citations (6)
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| JP2005119706A (en) * | 2003-10-16 | 2005-05-12 | Kirin Techno-System Corp | Label inspection device |
| JP2005153982A (en) * | 2003-11-28 | 2005-06-16 | Morinaga Milk Ind Co Ltd | Lid displacement detection device and lid displacement detection method |
| CN2854663Y (en) * | 2005-11-18 | 2007-01-03 | 北京工业大学 | Automatic precision positioning visual servo mechanism device of microdevice |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108106566A (en) * | 2017-12-18 | 2018-06-01 | 天津普达软件技术有限公司 | Barreled instant noodle bowl angle detecting method on a kind of production line |
| CN108106567A (en) * | 2017-12-18 | 2018-06-01 | 天津普达软件技术有限公司 | Dry mixing instant noodle bowl angle detecting method on a kind of production line |
| CN108171687A (en) * | 2017-12-18 | 2018-06-15 | 天津普达软件技术有限公司 | A kind of method of dry mixing face capping automatic alignment |
| CN108171686A (en) * | 2017-12-18 | 2018-06-15 | 天津普达软件技术有限公司 | A kind of method of barreled face capping automatic alignment |
| CN112319917A (en) * | 2020-10-27 | 2021-02-05 | 肖敏 | Automatic packaging equipment for barreled instant noodles |
| CN115255889A (en) * | 2022-08-05 | 2022-11-01 | 浙江哈尔斯真空器皿股份有限公司 | Automatic water cup aligning and bottom pressing production line and processing method thereof |
| CN115255889B (en) * | 2022-08-05 | 2024-04-09 | 浙江哈尔斯真空器皿股份有限公司 | Automatic water cup alignment and bottom pressing production line and processing method thereof |
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| CN101941537B (en) | 2012-01-04 |
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