CN110412049A - A kind of poroid precise detection device of chemical fibre spinneret hole based on machine vision - Google Patents
A kind of poroid precise detection device of chemical fibre spinneret hole based on machine vision Download PDFInfo
- Publication number
- CN110412049A CN110412049A CN201910837906.1A CN201910837906A CN110412049A CN 110412049 A CN110412049 A CN 110412049A CN 201910837906 A CN201910837906 A CN 201910837906A CN 110412049 A CN110412049 A CN 110412049A
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- spinneret hole
- chemical fibre
- machine vision
- detection device
- poroid
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- 238000001514 detection method Methods 0.000 title claims abstract description 51
- 239000000835 fiber Substances 0.000 title claims abstract description 21
- 239000000126 substance Substances 0.000 title claims abstract description 21
- 230000007246 mechanism Effects 0.000 claims abstract description 63
- 238000009987 spinning Methods 0.000 claims abstract description 32
- 238000005498 polishing Methods 0.000 claims abstract description 20
- 238000009434 installation Methods 0.000 claims abstract description 13
- 238000012360 testing method Methods 0.000 claims abstract description 9
- 238000009877 rendering Methods 0.000 claims abstract description 4
- 238000007689 inspection Methods 0.000 claims description 11
- 230000001681 protective effect Effects 0.000 claims description 5
- 230000003287 optical effect Effects 0.000 claims description 4
- 238000009826 distribution Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 230000007547 defect Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 206010027951 Mood swings Diseases 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 208000003464 asthenopia Diseases 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000006735 deficit Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000000686 essence Substances 0.000 description 1
- 230000004992 fission Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/95—Investigating the presence of flaws or contamination characterised by the material or shape of the object to be examined
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
- G01N2021/0106—General arrangement of respective parts
- G01N2021/0112—Apparatus in one mechanical, optical or electronic block
Abstract
A kind of poroid precise detection device of chemical fibre spinneret hole based on machine vision, with an Installation cabinet, the Installation cabinet includes the cabinet body and L-type plate for split type structure or integral structure, the top surface of cabinet body is equipped with the detection article carrying platform being located at below L-type plate horizontal part, article carrying platform is detected equipped with the locating piece for being positioned to spinning head, its bottom surface is equipped with the polishing lighting mechanism for providing light source and making light source from underface perpendicular through spinneret hole, its top surface or the vertical portion of L-type plate, which are equipped with, takes pictures to the plane where spinneret hole by industrial camera and the image of acquisition can be uploaded to the image acquisition mechanism that computer is handled；The host and input equipment of polishing lighting mechanism, computer are installed in the inside of the cabinet body, and the vertical portion installation of the L-type plate detects the computer display screen at interface, testing result for rendering.The device detection efficiency is high, most can reach 3 seconds/fastly, and do not influenced by hole count, varying aperture.
Description
Technical field
The invention belongs to hole defect detection field more particularly to a kind of poroid essences of chemical fibre spinneret hole based on machine vision
Close detection device.
Background technique
Spinning head is the precise part on chemical fibre spinning machine, also referred to as spinneret, in the manufacturing and spinneret
Be easy to exist in the process blocking, burr, it is non-round the defects of, the quality of state will directly affect the quality of spinneret, be that enterprise is controlled
The important quality target of system.
Since the aperture of spinneret hole small (micron order, 40 μm -85 μm), hole count are more (24-120), passed in industry at present
The detection method of system is still manual toggle spinning head rotation under the microscope, using visually observation checks one by one, detection time
For second/5-10 (depending on window diameter, hole count).That there are detection efficiencies is low for the detection method, labor intensity of workers is big, testing result
Not objective, the problems such as testing cost is high, it is clear that have been unable to meet the needs of modern business development.
Summary of the invention
Chemical fibre spinneret hole traditional detection method in industry there are aiming at the problem that, it is an object of the invention to propose one kind
The poroid precise detection device of chemical fibre spinneret hole based on machine vision.
The purpose of the present invention is what is realized using following technical scheme.It is proposed according to the present invention a kind of based on machine view
The poroid precise detection device of chemical fibre spinneret hole of feel, has an Installation cabinet, which includes for split type structure or one
The cabinet body and L-type plate of formula structure, the top surface of cabinet body are equipped with the detection article carrying platform being located at below L-type plate horizontal part, detect loading
Platform is equipped with the locating piece for being positioned to spinning head, and bottom surface is equipped with for providing light source and making light source from underface
Perpendicular through the polishing lighting mechanism of spinneret hole, the vertical portion of top surface or L-type plate is equipped with through industrial camera to spinning head
Plane where hole is taken pictures and the image of acquisition can be uploaded to the image acquisition mechanism that computer is handled；The cabinet
The host and input equipment of polishing lighting mechanism, computer are installed in the inside of body, and the vertical portion installation of the L-type plate is for rendering
Detect the computer display screen at interface, testing result.
Further, the cabinet body top surface positioned at the detection article carrying platform two sides be respectively equipped with workpiece placement area to be checked,
Workpiece placement area after inspection.
Further, the locating piece has for the V-type with the fitting of spinning head skirt to be positioned to spinning head
Opening.
Further, the polishing lighting mechanism includes the light of axis in vertical state with the plane where spinneret hole
Source, the fixture for light source to be fixed in detection article carrying platform bottom surface.
Further, described image collecting mechanism include the optical axis of camera lens and plane where spinneret hole in vertical state
Industrial camera, for mounting industrial camera and with the affixed supporting element in top surface of detection article carrying platform, for industrial camera
The height height fine-adjustment mechanism being finely adjusted, the angle fine-adjustment mechanism that is finely adjusted for the angle to industrial camera.
Further, the supporting element is equipped with slide unit, can be relative to cunning when being installed in outer power drive by axis on slide unit
The runner that platform is rotated, runner and camera fixed plate are affixed, install industrial camera in camera fixed plate；The high fine-tuning machine
Structure includes the high fine-tuning knob for being fixed in supporting element side, is fixed in slide unit side and offsets with the end of high fine-tuning knob
The block connect；The angle fine-adjustment mechanism includes two angular adjustment knobs for being fixed in slide unit side and Relative distribution, protrusion
In the lever that runner side and two sides are abutted against with the end of two angular adjustment knobs respectively.
Further, described image collecting mechanism further includes being electrically connected by conducting wire and industrial camera and being used to start work
The foot trigger that industry camera takes pictures to the plane where spinning head.
Further, described image collecting mechanism further includes that industry phase described in simultaneously the cover is removably connect with supporting element
The protective cover of machine, height fine-adjustment mechanism and angle fine-adjustment mechanism.
Further, the vertical portion of the L-type plate is also equipped with the light source switch being electrically connected by conducting wire and light source.
The present invention utilizes machine vision technique, by high-resolution industrial camera to flat where spinneret hole to be checked
Face is taken pictures, and the image comprising all hole profiles on spinning head is obtained after computer is handled, compared with the profile of standard after
Obtain the testing result of workpiece.Compared with traditional artificial microscope detection mode, the present invention is had the advantage that
1, the device detection efficiency is high, most can reach 3 seconds/fastly, and do not influenced by hole count, varying aperture；
It 2, is under the microscope spinneret due to not using eyes when detecting greater number of spinning head in stipulated time section
Head bore checks one by one, will reduce the vision impairment of operator to minimum, the vision health of effective protection operator；
3, detection quality is stablized, and the detection mode based on machine vision technique is scientific, objective, directly acquires and most accurately examines
It surveys as a result, avoiding influences caused by operator's asthenopia and mood swing.
The above description is only an overview of the technical scheme of the present invention, in order to better understand the technical means of the present invention,
And it can be implemented in accordance with the contents of the specification, and in order to allow above and other objects, features and advantages of the invention can
It is clearer and more comprehensible, it is special below to lift preferred embodiment, and cooperate attached drawing, detailed description are as follows.
Detailed description of the invention
Fig. 1 is a kind of entirety of the poroid precise detection device embodiment of chemical fibre spinneret hole based on machine vision of the invention
Schematic diagram.
Fig. 2 is the installation signal of image acquisition mechanism in embodiment illustrated in fig. 1, detection article carrying platform and polishing lighting mechanism
Figure.
Fig. 3 is the schematic diagram of polishing lighting mechanism in embodiment illustrated in fig. 1.
Fig. 4 is the schematic diagram of image acquisition mechanism in embodiment illustrated in fig. 1.
Fig. 5 is the schematic diagram of chemical fibre spinning head.
[appended drawing reference]
S- spinning head 101-L template 102- cabinet body 2- polishing lighting mechanism
201- light source 202- fixture 3- image acquisition mechanism 301- industrial camera
302- supporting element 303- slide unit 304- runner 305- camera fixed plate
3061- height adjustment knob 3062- block 3071- angular adjustment knob 3072- lever
4- detects workpiece placement area 7- display screen after article carrying platform 5- 6- inspection in workpiece placement area to be checked
8- light source switch 9- locating piece
Specific embodiment
The specific structure that present invention be described in more detail with reference to the accompanying drawings and embodiments, working principle and worked
Journey.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower",
The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of description of the present invention and simplification of the description, rather than instruction or dark
Show that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as pair
Limitation of the invention.In addition, term " first ", " second " etc. are used for description purposes only, it is not understood to indicate or imply phase
To importance or implicitly indicate the quantity of indicated technical characteristic.The feature for defining " first ", " second " etc. as a result, can
To explicitly or implicitly include one or more of the features.
Referring to Fig. 1, for the one of a kind of poroid precise detection device of chemical fibre spinneret hole based on machine vision of the present invention
A embodiment.The present embodiment include Installation cabinet, polishing lighting mechanism 2, image acquisition mechanism 3, load inspection software computer,
Installation cabinet 1 is for being reasonably laid out, installing polishing lighting mechanism 2, image acquisition mechanism 3 and computer；Polishing lighting mechanism 2 is used
The polishing condition needed for providing Image Acquisition guarantees the stabilization of imaging；Image acquisition mechanism 3 is used to acquire, store image, and
Acquired image can be uploaded to computer；Computer is used to handle the image of the upload of image acquisition mechanism 3, and can show inspection
Survey result.
The Installation cabinet includes cabinet body 102, the L-type plate 101 being fixed on cabinet body top surface, is fission both in the present embodiment
Formula structure.The top surface of cabinet body 102 is equipped with the detection article carrying platform 4 for being detected to chemical fibre spinning head S, and the detection loading is flat
The left side of platform is workpiece placement area 5 to be checked, right side is workpiece placement area 6 after inspection, it is of course possible to adjustment detection as needed
The relative position of workpiece placement area after article carrying platform, workpiece placement area to be checked and inspection；The inside of the cabinet body 102 is for pacifying
Fill the host and input equipment (such as keyboard, mouse), polishing lighting mechanism of computer；The side of the cabinet body 102 is equipped with heat dissipation
Hole.The vertical portion of L-type plate 101 for installing computer screen 7, light source switch 8, display screen 7 detect for rendering interface,
Testing result is observed convenient for operator；The light source of light source switch 8 and polishing lighting mechanism 2 is electrically connected by conducting wire, for beating
Open or close black out source；The horizontal part of L-type plate 101 at least wants the cover in the top of detection article carrying platform 4, for eliminating other light
Interference, be the present embodiment easy to process in L-type plate horizontal part simultaneously the cover workpiece placement area 5 to be checked, inspection after workpiece
The top of placement area 6.
Further, referring to Fig. 3, the detection article carrying platform 4 is equipped with a positioning block 9, which has V
Type opening, spinning head skirt to be checked is open to be bonded with aforementioned V-type when detection can be completed precise positioning.The detection loading
The affixed image acquisition mechanism 3 in the top surface of platform 4, the affixed polishing lighting mechanism 2 in bottom surface, it is horizontal that image acquisition mechanism 3 is located at L-type plate
The lower section in portion, polishing lighting mechanism 2 are located at the inside of cabinet body.
Further, workpiece placement area 6 by partition is separated into two regions after the inspection: unqualified workpiece is put
Region, qualified workpiece placement area, can be separated into more than two regions according to actual needs certainly.
Please refer to figs. 2 and 3, and the polishing lighting mechanism 2 includes light source 201, fixture 202, and the back side of light source 201 is logical
It crosses bolt to be horizontally fixed on fixture 202, fixture 202 is fixed in bottom surface and the guarantee of detection article carrying platform 4 by bolt
The plane (being upper surface in the present embodiment) at porous place in vertical state, makes light source on the axis of light source and spinning head to be checked
From underface perpendicular through spinneret hole to be checked.
Please refer to Fig. 2 and Fig. 4, described image collecting mechanism 3 include high-resolution industrial camera 301, supporting element 302,
The foot trigger 308 of industrial camera is electrically connected and is used to start, for the height to industrial camera by conducting wire and industrial camera
Spend the height fine-adjustment mechanism being finely adjusted, the angle fine-adjustment mechanism being finely adjusted for the angle to industrial camera.Supporting element 302
It is fixed in the top surface of detection article carrying platform 4 by bolt, is equipped with the slide unit 303 that can be moved along the vertical direction, slide unit 303 thereon
Above installing one by axis can be relative to the runner 304 that slide unit is rotated, runner 304 and camera fixed plate in outer power drive
305 is affixed, and industrial camera 301 is installed in camera fixed plate 305.Height fine-adjustment mechanism includes being fixed in supporting element in the present embodiment
The high fine-tuning knob 3061 of side, the block 3062 for being fixed in slide unit side, the end of high fine-tuning knob 3061 and block
3062 abut against, and block and slide unit 303 can be pushed to move along the vertical direction by turn high fine-tuning button, to industrial camera
Height be finely adjusted.Angle fine-adjustment mechanism includes being fixed in slide unit side and in two of upper and lower Relative distribution in the present embodiment
Angular adjustment knob 3071, the lever 3072 for protruding from 304 side of runner, the end of two angular adjustment knobs 3071 respectively with
The upper and lower two sides of lever 3072 abut against, and can push lever and runner pivoting by two angular adjustment knobs of turn,
The angle of industrial camera is finely adjusted.The mirror of industrial camera is realized by the cooperation of height fine-adjustment mechanism and angle fine-adjustment mechanism
On first 3011 optical axis and spinning head to be checked the plane at porous place in vertical state, make industrial camera camera lens 3011, to
The plane at porous place and light source 201 are maintained in same optical axis on the spinning head of inspection.
Further, described image collecting mechanism further includes protective cover 309, passes through height fine-adjustment mechanism and angle adjustment
Protective cover is removably connect with supporting element by bolt by mechanism after being adjusted in place industrial camera, makes protective cover the cover in work
The outside of industry camera, height fine-adjustment mechanism and angle fine-adjustment mechanism.
When work, first start computer, corresponding hole count, aperture and the positive and negative deviation of permission inputted by input equipment,
And in the detection interface of presentation on a display screen.Then by pre-cleaning complete one group of spinning head (usually with a disk 50 be
One group) it is uniformly placed into the workpiece placement area to be checked of cabinet body top surface, and take one from workpiece placement area to be checked manually
Spinning head is bonded the skirt of the spinning head with the V-type opening for detecting the locating piece on article carrying platform, completes spinning head to be checked
Positioning, at this time light source, the plane at porous place on spinning head to be checked, industrial camera camera lens be in coaxial state.Then open
Light source switch, triggering foot trigger, industrial camera is taken pictures, acquires image, and acquired image is uploaded to computer
It is handled.Since the circle that the profile of normal spinneret hole is rendered as more standard (is defined as the profile diagram of standard
Picture) and the defects of plug-hole or burr profile for will lead to spinneret hole is rendered as the circle with obvious notch, computer can be right
The contour images of the spinneret hole to be checked obtained after processing, the contour images of standard are compared, judge hole count, aperture whether
The testing result of this spinning head is shown in detection interface within the scope of the positive and negative deviation of permission, and on a display screen.According to inspection
The spinning head that survey result will test completion is placed on workpiece placement area after corresponding inspection.So far, single spinning head has detected
At.Aforementioned process is repeated, successively subsequent spinning head is detected one by one.
Furthermore in other embodiments of the invention, cabinet body and L-type plate can be made of one formula structure；It can be by image
Collecting mechanism is mounted on L-type plate, and supporting element is fixed on L-type plate at this time；A workpiece transfer mechanism can be added, which passes
Workpiece placement area after sending mechanism to answer approach workpiece placement area to be checked, detection article carrying platform and examine, realizes the automatic of spinning head
Transmission, further increases working efficiency.
Finally, it is stated that the above examples are only used to illustrate the technical scheme of the present invention and are not limiting, this field is common
Other modifications or equivalent replacement that technical staff makes technical solution of the present invention, without departing from technical solution of the present invention
Design and range, be intended to be within the scope of the claims of the invention.
Claims (9)
1. a kind of poroid precise detection device of chemical fibre spinneret hole based on machine vision has an Installation cabinet, the Installation cabinet packet
Include the cabinet body and L-type plate for split type structure or integral structure, it is characterised in that the top surface of cabinet body, which is equipped with, is located at L-type plate level
Detection article carrying platform below portion, detection article carrying platform are equipped with the locating piece for being positioned to spinning head, and bottom surface is set
There is a polishing lighting mechanism for providing light source and making light source from underface perpendicular through spinneret hole, top surface or L-type plate
Vertical portion is equipped with and is taken pictures by industrial camera to the plane where spinneret hole and the image of acquisition can be uploaded to calculating
The image acquisition mechanism that machine is handled；The inside installation polishing lighting mechanism of the cabinet body, the host of computer and input are set
Standby, the vertical portion installation of the L-type plate detects the computer display screen at interface, testing result for rendering.
2. the chemical fibre spinneret hole poroid precise detection device according to claim 1 based on machine vision, feature exist
Workpiece puts area after the cabinet body top surface for being located at the detection article carrying platform two sides is respectively equipped with workpiece placement area to be checked, inspection
Domain.
3. the chemical fibre spinneret hole poroid precise detection device according to claim 1 based on machine vision, feature exist
Have in the locating piece and spinning head skirt is bonded so that the V-type positioned to spinning head is open.
4. the chemical fibre spinneret hole poroid precise detection device according to claim 1 based on machine vision, feature exist
In the polishing lighting mechanism include axis with the light source in vertical state of the plane where spinneret hole, for light source is affixed
Fixture in detection article carrying platform bottom surface.
5. the chemical fibre spinneret hole poroid precise detection device according to claim 1 based on machine vision, feature exist
In described image collecting mechanism include camera lens optical axis and spinneret hole where plane industrial camera in vertical state, be used for
Mounting industrial camera is simultaneously finely adjusted with the affixed supporting element in top surface of detection article carrying platform, for the height to industrial camera
Height fine-adjustment mechanism, the angle fine-adjustment mechanism being finely adjusted for the angle to industrial camera.
6. the chemical fibre spinneret hole poroid precise detection device according to claim 5 based on machine vision, feature exist
It is equipped with slide unit in the supporting element, what can be rotated relative to slide unit when being installed in outer power drive by axis on slide unit turns
Wheel, runner and camera fixed plate are affixed, install industrial camera in camera fixed plate；The height fine-adjustment mechanism includes being fixed in branch
The high fine-tuning knob of support member side, the block for being fixed in slide unit side and being abutted against with the end of high fine-tuning knob；It is described
Angle fine-adjustment mechanism includes two angular adjustment knobs for being fixed in slide unit side and Relative distribution, protrudes from runner side and two
The lever that side is abutted against with the end of two angular adjustment knobs respectively.
7. the chemical fibre spinneret hole poroid precise detection device according to claim 5 based on machine vision, feature exist
It further include being electrically connected by conducting wire and industrial camera and being used to start industrial camera to spinning head in described image collecting mechanism
The foot trigger that the plane at place is taken pictures.
8. the chemical fibre spinneret hole poroid precise detection device according to claim 5 based on machine vision, feature exist
In described image collecting mechanism further include removably connect with supporting element and the cover described in industrial camera, height fine-adjustment mechanism and
The protective cover of angle fine-adjustment mechanism.
9. the chemical fibre spinneret hole poroid precise detection device according to claim 1 based on machine vision, feature exist
The light source switch being electrically connected by conducting wire and light source is also equipped in the vertical portion of the L-type plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910837906.1A CN110412049A (en) | 2019-09-05 | 2019-09-05 | A kind of poroid precise detection device of chemical fibre spinneret hole based on machine vision |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910837906.1A CN110412049A (en) | 2019-09-05 | 2019-09-05 | A kind of poroid precise detection device of chemical fibre spinneret hole based on machine vision |
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| CN110412049A true CN110412049A (en) | 2019-11-05 |
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| CN201910837906.1A Pending CN110412049A (en) | 2019-09-05 | 2019-09-05 | A kind of poroid precise detection device of chemical fibre spinneret hole based on machine vision |
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Cited By (2)
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| CN112730437A (en) * | 2020-12-28 | 2021-04-30 | 中国纺织科学研究院有限公司 | Spinneret plate surface defect detection method and device based on depth separable convolutional neural network, storage medium and equipment |
| CN115647598A (en) * | 2022-11-17 | 2023-01-31 | 苏州华工自动化技术有限公司 | Automatic marking working method of battery cover plate |
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