CN110318245A - A kind of machine vision fabric inspecting system being integrated on loom - Google Patents
A kind of machine vision fabric inspecting system being integrated on loom Download PDFInfo
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- CN110318245A CN110318245A CN201910525250.XA CN201910525250A CN110318245A CN 110318245 A CN110318245 A CN 110318245A CN 201910525250 A CN201910525250 A CN 201910525250A CN 110318245 A CN110318245 A CN 110318245A
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- 239000004744 fabric Substances 0.000 title claims abstract description 99
- 208000028804 PERCHING syndrome Diseases 0.000 claims abstract description 34
- 230000005540 biological transmission Effects 0.000 claims abstract description 9
- 238000003860 storage Methods 0.000 claims abstract description 6
- 238000012545 processing Methods 0.000 claims abstract description 5
- 230000007246 mechanism Effects 0.000 claims description 22
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 24
- 230000008569 process Effects 0.000 abstract description 18
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000004904 shortening Methods 0.000 abstract 1
- 238000001514 detection method Methods 0.000 description 19
- 239000002759 woven fabric Substances 0.000 description 9
- 230000007547 defect Effects 0.000 description 7
- 238000007689 inspection Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 238000002372 labelling Methods 0.000 description 6
- 230000033001 locomotion Effects 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 239000007921 spray Substances 0.000 description 3
- 238000009941 weaving Methods 0.000 description 3
- 239000003086 colorant Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 2
- 239000004753 textile Substances 0.000 description 2
- 102100023170 Nuclear receptor subfamily 1 group D member 1 Human genes 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004886 head movement Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004886 process control Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06H—MARKING, INSPECTING, SEAMING OR SEVERING TEXTILE MATERIALS
- D06H3/00—Inspecting textile materials
- D06H3/08—Inspecting textile materials by photo-electric or television means
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Textile Engineering (AREA)
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
- Treatment Of Fiber Materials (AREA)
Abstract
The invention discloses a kind of online machine vision fabric inspecting systems being integrated on loom, it is characterized in that, including the machine frame system for being connected and fixed with loom, for acquiring the numeral camera system of the image information of fabric, the position that image information is acquired on fabric is perching position, for marking the mark system of fault, for more idler rollers of tensioning fabric, mounting ear for idler roller to be connect with machine frame system and it is used to control numeral camera system, mark system, judges whether there is flaw/flaw type, processing/storage/transmission data control system.The present invention can be attached with the main body and system of loom, and can be transformed for existing all kinds of looms, and machine vision perching is easier to realize on cost performance height, technique, and be examined precisely, easily operated, and be conducive to the technological process of production of shortening cloth.
Description
Technical field
The present invention relates to a kind of online machine vision fabric inspecting systems being integrated on loom, for the work in woven fabric woven fabric
The detection of fabric flaws and label detection result are completed at the same time in program process.
Background technique
In general, after the process that loom completes woven fabric, can individual perching link using artificial sampling observation or individually
Cloth inspecting machine come complete cloth detection work.Artificial detection with mechanical light or backlight transmission cloth, passes through reviewer
With the naked eye or the modes such as hand touches differentiate fault, and the type of fault is differentiated according to personal experience, is scored fabric and is graded.?
In the case that the requirement of textile technology the degree of automation is higher and higher, artificial perching strongly limits the automation of weaving process process
Degree.Moreover, the judgement for relying on human subjective's experience hinders the standardization of fabric defects inspection process.Therefore, this inspection
The check system that personnel labor intensity is big, missing inspection and false detection rate are high, is not able to satisfy the market demand.Individual cloth inspecting machine market at
Ripe product relies on import, with high costs, and since flaw type is more, examines rate request high, cloth inspecting machine research and development of products difficulty is larger.
Currently, machine vision technique is increasingly mature, software and hardware product is enriched constantly.By NI Vision Builder for Automated Inspection or machine vision
The case that product (i.e. image-pickup device) is applied to cloth examination device can be found everywhere.It will test target conversion by industrial camera
At digital signal, then image processing system is passed to, finally records and differentiate testing result, realize the movement of control equipment.It should
Process fabric flaws type it is more, detection speed and precision require it is high when, not only realize and have difficulties in control algolithm,
It is higher to the equipment requirement of detection simultaneously, and then cause the cost of cloth examination device high.
The speed (0.2 m/min) of woven fabric woven fabric is come relative to (500 ms/min) of speed required by perching process
Say that difference is very big.And the cloth on loom between idler roller is flattened state, meets perching necessary requirement.Therefore, by perching
Device is mounted on loom between the idler roller of cloth, is sent out in cloth from fell, when being tensioned transmission between idler roller, perching dress
Set whether detection cloth has flaw and mark flaw type and position according to judging result.Not only perching and weaving process are reduced
It is completed on to a station, reduces the time of transhipment and the space of independent perching, and the lower running speed of loom
The requirement of NI Vision Builder for Automated Inspection software and hardware can be reduced, and then controls cost.
102242495 A of Chinese invention patent CN discloses a kind of cloth inspecting device of loom, including electric cabinet, pedestal and
Perching device.Trapezoidal pedestal contains work feed roller and support horizontal axis.Perching device includes the first and second perching sticks, by uniformly dividing
Infrared launcher of the cloth on perching stick examines Fabric Defect point.Although this cloth inspecting machine is mounted on loom, but perching
Device detects flaw point by the detection mode of infrared ray, and precision is lower and the fault type of identification is less, and thicker is knitted
Object is unable to complete detection.Furthermore the label that line position is set is clicked through not for flaw when detection, increases the difficulty of the next step
Degree.
102221559 B of Chinese invention patent CN discloses a kind of on-line automatic inspection of the fabric defects based on machine vision
Survey method and device thereof.It include the industrial camera, computer and mark part of perching.The device will using industrial camera
The textile image of captured in real-time is transferred to computer and compares processing in standard picture template, and in standard feature parameter ratio
Compared with the fault found to inspection is analyzed and marked.Although the device is remained instead of the mode of artificial detection
Individual perching process.When high to perching efficiency requirements, the algorithm of sample frequency and industrial personal computer calculating to industrial camera
It is higher with rate request.The algorithm research for being not only difficult to control in cost, while also calculating industrial personal computer proposes higher
It is required that, it is difficult to quickly meet the market demand.
Summary of the invention
The technical problems to be solved by the present invention are: provide it is a kind of can be carried out on existing loom improvement and installation
Line machine vision fabric inspecting system, the system can effectively improve perching efficiency.
In order to solve the above-mentioned technical problems, the present invention provides following technical schemes:
A kind of online machine vision fabric inspecting system being integrated on loom characterized by comprising
Machine frame system for being connected and fixed with loom；
For acquiring the numeral camera system of the image information of fabric, the position that image information is acquired on fabric is perching position
It sets；
For marking the mark system of fault；
The more idler rollers for tensioning fabric；
Mounting ear for idler roller to be connect with machine frame system；
For controlling numeral camera system, mark system, judging whether there is flaw/flaw type, processing/storage/transmission
The control system of data.
Preferably, above system further includes the light-source system for illuminating perching position, and light-source system is incident upon on fabric
Light does not generate shade with other component interferences；Light-source system is connect with control system.
Preferably, the light-source system is independent light source or combined light source.When combined light source detects, it can use and not share the same light
Source shoots same position cloth, detects further types of flaw.
Preferably, above system further includes the take-up roll for collecting the fabric after perching.
Preferably, the numeral camera system includes a pair of of line-scan digital camera, and two same nodes of line-scan digital camera are collected
Image information is located at the wide cut two sides of the same transmission location of fabric.
Preferably, the fabric keeps mobile, makees regular interval pause or pause when by numeral camera system,
Fabric is shot convenient for numeral camera system, flaw has been detected whether and has judged flaw type.
Preferably, described that line-scan digital camera one, line-scan digital camera two are placed on lead screw, motor connects lead screw by shaft coupling.
It is highly preferred that the spacing distance between the line-scan digital camera and line-scan digital camera is the 1/3~1/2 of fabric wide cut.
Preferably, the mark system includes for label paper storage, supply and the label-sticking mechanism pasted, for driving patch
The lead screw for marking mechanism kinematic to designated position, the gear one being fixed on driving label-sticking mechanism, the gear being meshed with gear one
Two, for limiting the positive stop lug boss and clump weight of label-sticking mechanism swing angle, for fixing the patch of label-sticking mechanism to machine frame system 1
Mark mechanism rack.
The present invention shifts to an earlier date individual perching process procedure, in conjunction with weaving process.Fabric inspecting system cost is reduced, improves and tests
The coverage rate of cloth has good application prospect.
Compared with prior art, the beneficial effects of the present invention are:
1, the perching process of artificial detection is reduced, is combined into one woven fabric with perching process, shortens process flow；
2, avoid individual cloth inspecting machine when detecting automatically due to detection speed it is high caused by detection device accuracy and speed
Requirement, reduce detection device cost；
3, much lower relative to the speed of independent cloth inspecting machine due to the speed of woven fabric, the rate request of perching detection
It declines to a great extent, the algorithm complexity of detection opposite can improve, and which thereby enhance the recall rate of flaw；
4, after the speed for reducing detection, multiple can be shot with same position of the combination of different light sources to cloth when detecting
Photo detects further types of flaw；
5, since cost reduces, it can meet and configure corresponding fabric inspecting system on every loom, detect obtained number
It is believed that breath can also be used for the intelligentized updating of woven fabric machine production line.
Detailed description of the invention
Fig. 1 is the structural schematic diagram for the machine vision fabric inspecting system that embodiment 1 provides；
Fig. 2 is the schematic diagram of 1 mounting structure of embodiment；
Fig. 3 is the schematic diagram of perching position when embodiment 1 uses；
Fig. 4 is flow chart of the present invention in woven fabric process automatic cloth inspection；
Fig. 5 is 2 camera mounting structure of embodiment and operation schematic diagram；
Fig. 6 is the labelling structural schematic diagram that embodiment 3 provides；
Fig. 7 is the course of work schematic diagram for the labelling mechanism that embodiment 3 provides.
Specific embodiment
In order to make the present invention more obvious and understandable, hereby with preferred embodiment, and attached drawing is cooperated to be described in detail below.
Embodiment 1
As shown in Figure 1-3, be a kind of online machine vision fabric inspecting system being integrated on loom provided in this embodiment,
Include:
Machine frame system 1 for being connected and fixed with loom 8；
For acquiring the numeral camera system 2 of the image information of fabric 7, the position that image information is acquired on fabric 7 is to test
Cloth position 7；
For marking the mark system 4 of fault；
Two idler rollers for tensioning fabric 7 are (to be located at by the fabric 7 before numeral camera system 2
Tight roller 1, the idler roller 2 61 after identifying system 4, idler roller 1 pass through mounting ear 1, the mounting ear two at both ends
54 connect with machine frame system 1, and idler roller 2 61 is connect by mounting ear 3 51, the mounting ear 4 53 at both ends with machine frame system 1)；
For illuminating the light-source system 3 of perching position 7, it is not dry with other components that light-source system 3 is incident upon the light on fabric 7
Relate to generation shade；
For collecting the take-up roll 63 of the fabric 7 after perching；
For controlling numeral camera system 2, mark system 4, light-source system 3, judging whether there is flaw/flaw type, place
Reason/storage/transmission data control system 9.
The light-source system 3 is independent light source or combined light source.
The numeral camera system 2 includes a pair of of line-scan digital camera, two line-scan digital cameras (i.e. line-scan digital cameras 1, linear array phase
22) same node acquired image information is located at the wide cut two sides of the same transmission location of fabric 7 to machine 2.Two linear array phases
The distance at machine interval is arranged according to the width of cloth, and quantity can also be adjusted according to specific breadth width.Line-scan digital camera with
The vertical range of fabric 7 is determined according to the type of fabric 7 and the design parameter of camera.
The fabric 7 keeps mobile, makees regular interval pause or pause when by numeral camera system 2.
As shown in figure 4, being installed at the fell of loom 8, fabric 7 moves to above system use process from fell
When between two idler rollers, it is detected by machine vision fabric inspecting system automatically, fault and its type is identified, then by identifying
The air brushing at cloth edge labelling defect position 72 of system 4 marks accordingly.Fabric 7 after perching continues to move to take-up roll 63
Place is wound into full fabric package.
Light-source system 3 is independent light source, is fixed on machine frame system 1, so that light is located at line-scan digital camera acquisition range,
And it can not interfere with line-scan digital camera and generate shade.According to the direction of motion of 8 fabric of loom, identifies system 4 and be located at light-source system 3
Later, the distance between mark system 4 and line-scan digital camera meet line-scan digital camera 2 when fabric 7 moves to perching position 71, acquisition
Signal, judgement simultaneously calculate, then control mark system acting, just move to label defect position 72 at fabric defects at this time.
Mark system 4 is marked after receiving control system signal, according to different types of fault in the edge of fabric 7
Note.Three spray heads can spray different colours respectively, according to flaw type, control spray head movement, can with the combination of three kinds of colors
Mark different types of flaw.The ink used after repair can clean up ink marks for washable dyestuff, or to ink marks
Standing a period of time (10 days or so), ink marks subsides automatically afterwards, will not impact to the subsequent technique of fabric 7.
Embodiment 2
As shown in figure 5, this embodiment differs from embodiment 1 in that, when cloth breadth is wider, by line-scan digital camera one
21, line-scan digital camera 2 22 is placed on lead screw 2-3, can be axially reciprocating along lead screw 2-3.Motor 2-1 passes through shaft coupling 2-2 band
Dynamic lead screw 2-3 rotation, realizes that line-scan digital camera 21, line-scan digital camera 22 move back and forth along the axial direction of idler roller, in moving process
Thus the image of middle Cloth Collection can guarantee line-scan digital camera number needed for reducing acquisition image while detecting complete cloth
Amount.During installation, line-scan digital camera 21, line-scan digital camera 22 are spaced a distance, generally the 1/3~1/2 of cloth width.
Embodiment 3
As shown in Figure 6,7, this embodiment differs from embodiment 1 in that, mark system 4 is using labelling, needle tattoo
The mode of note marks fault type and position.Mark the label sticking machine of fault type and position including storing for label paper,
Supply and the label-sticking mechanism 4-4 pasted, for driving label-sticking mechanism 4-4 to move to the lead screw 4-3 of designated position (by external motor
Driving), it is fixed on one 4-2 of gear on label-sticking mechanism 4-4 for driving it to rotate, the gear two being meshed with one 4-2 of gear
4-1, for fixing the gear shaft 4-7 of two 4-1 of gear, for limiting the positive stop lug boss 4-5 of label-sticking mechanism 4-4 swing angle and matching
Pouring weight 4-8, for fixing the label-sticking mechanism rack 4-6 of label-sticking mechanism 4-4 to machine frame system 1.
The specific movement of labelling is as follows:
When numeral camera system 2 detects fabric defects, control system issues the signal of labelling, label-sticking mechanism 4-4
7 edge placement of fabric, gear shaft 4-7 rotation, with gear moving gear two 4-1 and engaged are moved to by lead screw 4-3 drive
One 4-2 drives label-sticking mechanism 4-4 to rotate an angle, label 4-9 is affixed on 7 on fabric therewith.Positive stop lug boss 4-5 and counterweight
Block 4-8 is for limiting the cloth that label 4-9 is just pasted onto movement by label-sticking mechanism 4-4.
Embodiment 4
This embodiment differs from embodiment 1 in that mark system 4 only in systems record fabric flaws type and
Position is not marked on cloth directly；Mark system 4 store in systems cloth be wrapped all flaw types, position and
Quality information, directly reads or manual identified for next step process control system, completes subsequent technique.
Claims (9)
1. a kind of online machine vision fabric inspecting system being integrated on loom characterized by comprising
Machine frame system (1) for being connected and fixed with loom (8)；
For acquiring the numeral camera system (2) of the image information of fabric (7), the position that image information is acquired on fabric (7) is
Perching position (7)；
For marking the mark system (4) of fault；
The more idler rollers for tensioning fabric (7)；
Mounting ear for idler roller to be connect with machine frame system (1)；
For controlling numeral camera system (2), mark system (4), judging whether there is flaw/flaw type, processing/storage/biography
The control system (9) of transmission of data.
2. being integrated in the online machine vision fabric inspecting system on loom as described in claim 1, which is characterized in that further include using
In the light-source system (3) for illuminating perching position (7), light-source system (3) be incident upon the light on fabric (7) not with other component interferences
Generate shade；Light-source system (3) is connect with control system (9).
3. being integrated in the online machine vision fabric inspecting system on loom as described in claim 1, which is characterized in that the light source
System (3) is independent light source or combined light source.
4. being integrated in the online machine vision fabric inspecting system on loom as described in claim 1, which is characterized in that further include using
The take-up roll (63) of fabric (7) after collecting perching.
5. being integrated in the online machine vision fabric inspecting system on loom as described in claim 1, which is characterized in that the number
Camera system (2) includes a pair of of line-scan digital camera, and the same node acquired image information of two line-scan digital cameras is located at fabric
(7) the wide cut two sides of same transmission location.
6. being integrated in the online machine vision fabric inspecting system on loom as described in claim 1, which is characterized in that the fabric
(7) it keeps mobile, make regular interval pause or by pausing when numeral camera system (2).
7. being integrated in the online machine vision fabric inspecting system on loom as described in claim 1, which is characterized in that described by line
Array camera one (21), line-scan digital camera two (22) are placed on lead screw (2-3), and motor (2-1) connects lead screw by shaft coupling (2-2)
(2-3)。
8. being integrated in the online machine vision fabric inspecting system on loom as claimed in claim 7, which is characterized in that the linear array
Spacing distance between camera (21) and line-scan digital camera (22) is the 1/3~1/2 of fabric (7) wide cut.
9. being integrated in the online machine vision fabric inspecting system on loom as described in claim 1, which is characterized in that the mark
System (4) includes for label paper storage, supply and the label-sticking mechanism (4-4) pasted, for driving label-sticking mechanism (4-4) to move
To the lead screw (4-3) of designated position, the gear one (4-2) being fixed in driving label-sticking mechanism (4-4), with gear one (4-2) phase
Meshed gears two (4-1), for limiting the positive stop lug boss (4-5) and clump weight (4-8) of label-sticking mechanism (4-4) swing angle,
For fixing the label-sticking mechanism rack (4-6) of label-sticking mechanism (4-4) to machine frame system 1.
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| CN201910525250.XA CN110318245B (en) | 2019-06-18 | 2019-06-18 | Machine vision cloth inspection system integrated on loom |
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|---|---|---|---|
| CN201910525250.XA CN110318245B (en) | 2019-06-18 | 2019-06-18 | Machine vision cloth inspection system integrated on loom |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111024720A (en) * | 2019-12-13 | 2020-04-17 | 东华大学 | Visual and tactile integrated detection device for protruding defects on surface of fabric |
| CN111424413A (en) * | 2020-05-20 | 2020-07-17 | 苏州晓创光电科技有限公司 | Online automatic cloth inspecting machine and cloth inspecting method for tail of setting machine |
| CN111575868A (en) * | 2020-05-18 | 2020-08-25 | 上海广顺机械有限公司 | Processing technology and inspection device for textile fabric |
| CN112903714A (en) * | 2021-04-07 | 2021-06-04 | 四川省纤维检验局 | Intelligent silk blackboard integrated inspection system and inspection method thereof |
| CN113281342A (en) * | 2021-05-21 | 2021-08-20 | 绍兴随手智能科技有限公司 | Cloth flaw detection method integrating machine vision and spectrometer |
| CN114134698A (en) * | 2021-11-22 | 2022-03-04 | 上海机器人产业技术研究院有限公司 | Cloth inspecting and cutting system |
| CN114839129A (en) * | 2022-04-26 | 2022-08-02 | 东华大学 | Online detection method, device and system |
| CN118241373A (en) * | 2024-05-22 | 2024-06-25 | 常州驰恩机械制造有限公司 | Online fabric defect detection device and method for warp knitting machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114839129A (en) * | 2022-04-26 | 2022-08-02 | 东华大学 | Online detection method, device and system |
| CN118241373A (en) * | 2024-05-22 | 2024-06-25 | 常州驰恩机械制造有限公司 | Online fabric defect detection device and method for warp knitting machine |
| CN118241373B (en) * | 2024-05-22 | 2024-09-17 | 常州驰恩机械制造有限公司 | Online fabric defect detection device and method for warp knitting machine |
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