CN208902618U - A kind of non-woven fabrics air hole detection device - Google Patents
A kind of non-woven fabrics air hole detection device Download PDFInfo
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- CN208902618U CN208902618U CN201821410647.1U CN201821410647U CN208902618U CN 208902618 U CN208902618 U CN 208902618U CN 201821410647 U CN201821410647 U CN 201821410647U CN 208902618 U CN208902618 U CN 208902618U
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Abstract
The utility model discloses a kind of non-woven fabrics air hole detection devices, are related to non-woven fabrics cavity detection technical field.The non-woven fabrics air hole detection device includes: rack, and rack has the first end and second end being oppositely arranged, and rack is arranged at intervals with multiple conveying rollers on the direction of first end to second end；Driving assembly, driving assembly and conveying roller are sequentially connected, for driving conveying roller to rotate to drive non-woven fabrics at the uniform velocity to transport on the direction of first end to second end；Detection components, detection components include at least a pair of opposing in first detection piece and the second detection piece at conveying roller both ends, and the first detection piece is opposite with the second detection piece to be used to detect non-woven fabrics air hole.
Description
Technical field
The utility model relates to non-woven fabrics cavity detection technical fields, examine in particular to a kind of non-woven fabrics air hole
Survey device.
Background technique
In recent years, machine vision technique development is extremely swift and violent, and application range is wider, and development prospect is optimistic.Machine vision
Many technologies that technology is used all are derived from Computer Subject, it is widely applied to have pass by more than 20 by now from development is started
Year, in the meantime due to the continuous high standards of continuous development and the industrial automation of science and technology, so that machine vision
The range and function of technical application constantly improve.Machine vision is a very active research field, and machine vision skill
Art also starts particular study for measurement, but the production of industrial part is detected, specification requirement and detection essence
Degree is stringent, not only more demanding detection speed and precision, and requires non-contact detection, i.e. on-line checking, and guarantees
The accuracy and accuracy of detection, associated subject are related to widely.
Over time, industrial detection technology also constantly advances, the non-destructive testing technology based on machine vision
Have become the leading of current detection technique.Foreign scholar and the last century 80's year develop camera automatic focusing device, and
The quality detection work to cylindrical surface is completed using single camera.Some when the last century 90's
Person carries out Image Acquisition using high-resolution line-scan camera mainly for cylindrical component, and it is pre- to construct image
Processing and discriminance analysis system finally realize the surface quality defect detection to cylindrical component.
It is not high that traditional part quality detection at present is all based on contact measurement inefficiency, precision, particularly with one
A little porous materials are the product of cloth, and the difficulty of detection is bigger, and high for some non-destructive testing precision height, accuracy
Equipment requirement detection environment is relatively high and price is more expensive.
Utility model content
The purpose of this utility model is to provide a kind of non-woven fabrics air hole detection device, non-woven fabrics air hole detection dresses
It sets on the basis of controlling cost, detection accuracy can be effectively improved.
The embodiments of the present invention are achieved in that
A kind of non-woven fabrics air hole detection device, comprising:
Rack, rack has the first end and second end being oppositely arranged, between rack is on the direction of first end to second end
Every being provided with multiple conveying rollers；
Driving assembly, driving assembly and conveying roller are sequentially connected, for driving conveying roller to rotate to drive non-woven fabrics the
It is at the uniform velocity transported on one end to the direction of second end；
Detection components, detection components include that at least a pair of opposing is examined in first detection piece at conveying roller both ends and second
Part is surveyed, the first detection piece is opposite with the second detection piece to be used to detect non-woven fabrics air hole.
Further, in the preferred embodiment of the utility model, detection components include two pairs and are relatively arranged on conveying roller
First detection piece and the second detection piece at both ends, two pair of first detection piece and the second detection piece be configured as detecting simultaneously two with
On the presence or absence of air hole, and the maximum area of detectable non-woven fabrics air hole is 100mmX100mm.
Further, in the preferred embodiment of the utility model, the first detection piece and the second detection piece are sensor
Module, and the induction range maximum area of sensor module is 1000mm2。
Further, in the preferred embodiment of the utility model, rack include multiple support frames being vertically arranged and
It is set to the transverse beam assembly of support frame, wherein the two sides up and down of the conveying roller of first end setting are opposite respectively to be equipped with first crossbeam
With second cross beam, the first detection piece and the second detection piece are relatively arranged on first crossbeam and second cross beam respectively.
Further, in the preferred embodiment of the utility model, non-woven fabrics air hole detection device further includes industry
Gige camera, industrial Gige camera are set to first crossbeam, and industrial Gige camera is electrically connected with the first detection piece and the second detection piece
It connects, and industry Gige camera and the first detection piece interval pre-determined distance.
Further, in the preferred embodiment of the utility model, industrial Gige camera is located at the interposition of first crossbeam
Set, and with a detection piece interval pre-determined distance.
Further, in the preferred embodiment of the utility model, rack further includes being located at first crossbeam and second cross beam
Between third crossbeam；
Non-woven fabrics air hole detection device further includes the light source assembly for being set to third crossbeam.
Further, in the preferred embodiment of the utility model, the horizontal distance of light source assembly and industry Gige camera
Range is 220mm-250mm.
Further, in the preferred embodiment of the utility model, non-woven fabrics air hole detection device further includes industrial personal computer,
Industrial personal computer is equipped with image capture module and image processing module, image capture module and image processing module with industrial Gige
Camera, light source assembly electrical connection, image capture module are used for the information collection non-woven fabrics according to industrial Gige camera, light source assembly
Image, image processing module be used for according to the information processing of image capture module obtain non-woven fabrics air hole bore region threshold value and
Hole profile centre coordinate value.
Further, in the preferred embodiment of the utility model, non-woven fabrics air hole detection device further includes and industry control
The display device of mechatronics, display device are sat for the bore region threshold value of real-time display non-woven fabrics air hole and hole profile center
Scale value.
The embodiments of the present invention at least have following advantages or the utility model has the advantages that
1, detectable medical surgical gown non-woven fabrics air hole maximum area size is 100mmX100mm；
2,2 or more the presence or absence of air holes can be detected simultaneously；
3, different size of 2 or more the presence or absence of air holes can be detected simultaneously；
4, coordinate value of 2 or more the air holes on medical surgical gown non-woven fabrics can be detected simultaneously；
5, the presence or absence of energy real-time online detection medical surgical gown non-woven fabrics air hole and position；
6, the production efficiency of medical surgical gown non-woven fabrics air hole detection can be improved.
Detailed description of the invention
It, below will be to use required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
Attached drawing be briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore should not be by
Regard the restriction to range as, for those of ordinary skill in the art, without creative efforts, may be used also
To obtain other relevant attached drawings according to these attached drawings.
Fig. 1 is that structure of the non-woven fabrics air hole detection device that provides of the embodiments of the present invention under the first visual angle is shown
It is intended to；
Fig. 2 be the non-woven fabrics air hole detection device that provides of the embodiments of the present invention the second visual angle under structure
Schematic diagram；
Fig. 3 is signal letter of the non-woven fabrics air hole detection device that provides of the embodiments of the present invention under third visual angle
Figure；
Fig. 4 is the theory structure schematic diagram for the non-woven fabrics air hole detection device that the embodiments of the present invention provide.
Icon: 100- non-woven fabrics air hole detection device；101- rack；103- first end；105- second end；107- conveying
Roller；109- driving assembly；111- detection components；The first detection piece of 113-；The second detection piece of 115-；117- support frame；121-
One crossbeam；123- second cross beam；125- industry Gige camera；127- third crossbeam；129- light source assembly；131- industrial personal computer；
133- image capture module；135- image processing module.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Usually here in attached drawing description and
The component of the utility model embodiment shown can be arranged and be designed with a variety of different configurations.Therefore, below to attached
The detailed description of the embodiments of the present invention provided in figure is not intended to limit the range of claimed invention,
But it is merely representative of the selected embodiment of the utility model.Based on the embodiments of the present invention, ordinary skill people
Member's every other embodiment obtained without creative efforts, belongs to the model of the utility model protection
It encloses.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
In the description of the utility model embodiment, it should be noted that term " center ", "upper", "lower", " left side ",
The orientation or positional relationship of the instructions such as " right side ", "vertical", "horizontal", "inner", "outside" is orientation based on the figure or position
Relationship or the utility model product using when the orientation or positional relationship usually put, be merely for convenience of describing this reality
It is described with novel with simplified, rather than the device or element of indication or suggestion meaning must have a particular orientation, with specific
Orientation construction and operation, therefore should not be understood as limiting the present invention.In addition, term " first ", " second ", " third "
It is described etc. being only used for distinguishing, is not understood to indicate or imply relative importance.
In the description of the utility model embodiment, it is also necessary to which explanation is unless specifically defined or limited otherwise, art
Language " setting ", " installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, be also possible to detachable
Connection, or be integrally connected；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, centre can also be passed through
Medium is indirectly connected, and can be the connection inside two elements.It for the ordinary skill in the art, can specific feelings
Condition understands the concrete meaning of above-mentioned term in the present invention.
In the present invention unless specifically defined or limited otherwise, fisrt feature is on or below second feature
It may include that the first and second features directly contact, also may include that the first and second features are not direct contacts but pass through it
Between other characterisation contact.Moreover, fisrt feature is on second feature, top and above include fisrt feature the
Right above two features and oblique upper, or first feature horizontal height is merely representative of higher than second feature.Fisrt feature is in the second spy
Under sign, lower section and fisrt feature included below be directly below and diagonally below the second feature, or be merely representative of fisrt feature level
Height is less than second feature.
Fig. 1 is knot of the non-woven fabrics air hole detection device 100 that provides of the embodiments of the present invention under the first visual angle
Structure schematic diagram；Fig. 2 be the non-woven fabrics air hole detection device 100 that provides of the embodiments of the present invention the second visual angle under
Structural schematic diagram；Fig. 3 is the non-woven fabrics air hole detection device 100 that provides of the embodiments of the present invention under third visual angle
Simplified schematic diagram；Fig. 4 is the theory structure signal for the non-woven fabrics air hole detection device 100 that the embodiments of the present invention provide
Figure.Referring to FIG. 1 to FIG. 4, in the present embodiment, non-woven fabrics air hole detection device 100 includes rack 101, driving assembly 109
And detection components 111.
In detail, referring to Fig. 1 to Fig. 4, in the present embodiment, rack 101 has the first end 103 being oppositely arranged
With second end 105, rack 101 is arranged at intervals with multiple conveying rollers 107 in first end 103 to the direction of second end 105；Driving
Component 109 and conveying roller 107 are sequentially connected, for driving the rotation of conveying roller 107 to drive non-woven fabrics in first end 103 to the second
It is at the uniform velocity transported on the direction at end 105；Detection components 111 include at least a pair of opposing in first inspection at 107 both ends of conveying roller
Part 113 and the second detection piece 115 are surveyed, the first detection piece 113 and the second detection piece 115 are opposite for detecting non-woven fabrics air hole.
By the setting of the first detection piece 113 and the second detection piece 115 that are oppositely arranged, so that from the first detection piece 113 and the second inspection
When the non-woven fabrics surveyed between part 115 at the uniform velocity passes through, if there are air holes for non-woven fabrics, the signal that the first detection piece 113 issues can
The second detection piece 115 is returned to across air hole, to constitute complete signal circuit, and then air hole can be effectively detected
In the presence of.When air hole is not present in the non-woven fabrics passed through, the signal that the first detection piece 113 issues can be blocked by non-woven fabrics, thus
Effectively judge that air hole is not present at this time.
Specifically, in the present embodiment, detection components 111 are relatively arranged on the first of 107 both ends of conveying roller including two pairs
Detection piece 113 and the second detection piece 115, two pair of first detection piece 113 and the second detection piece 115 are configured as detecting two simultaneously
The presence or absence of above air hole, and the maximum area of detectable non-woven fabrics air hole is 100mmX100mm.It is opposite by two pairs
The setting of the first detection piece 113 and the second detection piece 115 that are arranged, so that the non-woven fabrics air hole detection device 100 at least may be used
To detect the presence or absence of two air holes, so as to effectively improve detection efficiency.Certainly, in the other embodiments of the utility model
In, the quantity of the first detection piece 113 and the second detection piece 115 can also be selected according to demand, be not limited in it is a pair of or
Two pairs, the embodiments of the present invention are without limitation.
As a preferred option, in the present embodiment, the first detection piece 113 and the second detection piece 115 are sensor die
Block, such as can be ultrasonic sensor etc., and the shape of sensor module is cylinder, induction range maximum area is
1000mm2.Certainly, in the other embodiments of the utility model, the type of the first detection piece 113 and the second detection piece 115 with
Shape can also be selected according to demand, and the embodiments of the present invention are without limitation.
Referring to Fig. 1 to Fig. 4, in the present embodiment, rack 101 include multiple support frames 117 being vertically arranged with
And it is set to the transverse beam assembly of support frame 117, wherein the two sides up and down for the conveying roller 107 that first end 103 is arranged are opposite respectively to be set
There are first crossbeam 121 and second cross beam 123, the first detection piece 113 and the second detection piece 115 are relatively arranged on first crossbeam respectively
121 with second cross beam 123.Non-woven fabrics is during transportation from the conveying roller 107 among first crossbeam 121 and second cross beam 123
On pass through, pass through the first detection piece 113 and the second detection piece being respectively arranged on first crossbeam 121 and second cross beam 123
115 setting can be effectively detected on the non-woven fabrics conveyed by conveying roller 107 with the presence or absence of air hole.
As a preferred option, in the present embodiment, non-woven fabrics air hole detection device 100 further includes industrial Gige camera
125, industrial Gige camera 125 is located at the middle position of first crossbeam 121, and with a detection piece interval pre-determined distance.Industry
Gige camera 125 is electrically connected with the first detection piece 113 and the second detection piece 115.First detection piece 113 and the second detection piece 115
When triggering by non-woven fabrics, the trigger signal of generation be can be transmitted to industrial Gige camera 125.Selecting suitable camera is also machine
Important link in device Design of Vision System, the selection of camera not only directly determine institute's acquired image resolution ratio, image matter
Amount etc., at the same it is also directly related with the operational mode of whole system.Industrial Gige camera 125 is one in NI Vision Builder for Automated Inspection
Key component, most essential function is exactly to convert optical signals into orderly electric signal, in order to the output of signal.
Referring to Fig. 1 to Fig. 4, in the present embodiment, rack 101 further includes horizontal positioned at first crossbeam 121 and second
Third crossbeam 127 between beam 123；Non-woven fabrics air hole detection device 100 further includes being set to the light source group of third crossbeam 127
Part 129.The setting of light source assembly 129 can effectively improve the brightness around detection components 111, to effectively improve acquisition figure
The quality of picture.
As a preferred option, in the present embodiment, the horizontal distance model of light source assembly 129 and industry Gige camera 125
It encloses for 220mm-250mm.By the control of the distance range, the sensitivity of industrial Gige camera 125 can be effectively improved, thus
Guarantee the quality of acquired image.
Referring to Fig. 1 to Fig. 4, in the present embodiment, non-woven fabrics air hole detection device 100 further includes industrial personal computer
131, industrial personal computer 131 is equipped with image capture module 133 and image processing module 135, image capture module 133 and image procossing
Module 135 is electrically connected with industrial Gige camera 125, light source assembly 129, and image capture module 133 is used for according to industrial Gige
The information collection non-woven pattern picture of camera 125, light source assembly 129, image processing module 135 are used for according to image capture module
133 information processing obtains the bore region threshold value and hole profile centre coordinate value of non-woven fabrics air hole.
Specifically, when the triggering by non-woven fabrics of the first detection piece 113 and the second detection piece 115, the trigger signal of generation
It is sent to industrial Gige camera 125, light source assembly 129, image capture module 133 start to be acquired medical surgical gown non-woven fabrics
Image, image processing module 135 carry out a series of morphologic algorithm process to acquired image, by based on BP nerve
Network algorithm extracts the edge contour of air hole using the fitting of CNN edge detection method, and the algorithm of exploitation can detecte sub-pix
Bore region threshold value and hole profile centre coordinate value is calculated by matrixing in hole profile.
Further, in order to more intuitively show detection structure, non-woven fabrics air hole detection device 100 further includes and work
The display device that control machine 131 is electrically connected, display device are used for the bore region threshold value and hole profile of real-time display non-woven fabrics air hole
Centre coordinate value.
The embodiments of the present invention additionally provide a kind of ventilative hole inspection method and hole inspection of non-woven fabrics, comprising:
S1: driving device drives conveying roller 107 to drive non-woven fabrics uniform motion；
S2: first detection piece 113 at 107 both ends of conveying roller of the first end 103 of rack 101 is relatively arranged on by two pairs
With the air hole of the non-woven fabrics of the second detection piece 115 detection uniform motion；
S3: the first detection piece 113 and the second detection piece 115 will test signal and be transferred to industrial Gige camera 125；
S4: light source assembly 129, image capture module 133 start to be acquired non-woven pattern picture；
S5: image processing module 135 obtains the bore region threshold of non-woven fabrics air hole after handling acquired image
Value and hole profile centre coordinate value；
S6: display device carries out real-time display to the bore region threshold value and hole profile centre coordinate value of non-woven fabrics air hole.
This method utilizes machine vision technique, small for camera coverage range, carries out shooting to large-scale part and is difficult to meet shooting
The general image of part, then image outline figure is extracted using edge detection algorithm to whole picture part image, finally calculated using detection
Method is detected, and the detection accuracy of non-woven fabrics air hole can be effectively improved.
In conclusion the non-woven fabrics air hole detection device 100 that the embodiments of the present invention provide is with beneficial below
Effect:
1, detectable medical surgical gown non-woven fabrics air hole maximum area size is 100mmX100mm；
2,2 or more the presence or absence of air holes can be detected simultaneously；
3, different size of 2 or more the presence or absence of air holes can be detected simultaneously；
4, coordinate value of 2 or more the air holes on medical surgical gown non-woven fabrics can be detected simultaneously；
5, the presence or absence of energy real-time online detection medical surgical gown non-woven fabrics air hole and position；
6, the production efficiency of medical surgical gown non-woven fabrics air hole detection can be improved.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of non-woven fabrics air hole detection device characterized by comprising
Rack, the rack have the first end and second end being oppositely arranged, and the rack is in the first end to described second
Multiple conveying rollers are arranged at intervals on the direction at end；
Driving assembly, the driving component and the conveying roller are sequentially connected, for driving the conveying roller rotation to drive nothing
Woven fabric is at the uniform velocity transported in the first end to the direction of the second end；
Detection components, the detection components include at least a pair of opposing in first detection piece at the conveying roller both ends and
Two detection pieces, first detection piece is opposite with second detection piece to be used to detect non-woven fabrics air hole.
2. non-woven fabrics air hole detection device according to claim 1, it is characterised in that:
The detection components include two pairs of first detection pieces for being relatively arranged on the conveying roller both ends and second inspection
Survey part, two are configured as detecting more than two air holes simultaneously and have to first detection piece and second detection piece
Nothing, and the maximum area of detectable non-woven fabrics air hole is 100mmX100mm.
3. non-woven fabrics air hole detection device according to claim 2, it is characterised in that:
First detection piece and second detection piece are sensor module, and the induction range of the sensor module is most
Large area is 1000mm2。
4. non-woven fabrics air hole detection device according to claim 2, it is characterised in that:
The rack includes multiple support frames being vertically arranged and the transverse beam assembly for being set to support frame as described above, wherein described
The two sides up and down of the conveying roller of first end setting are opposite respectively to be equipped with first crossbeam and second cross beam, first detection piece
It is relatively arranged on the first crossbeam and the second cross beam respectively with second detection piece.
5. non-woven fabrics air hole detection device according to claim 4, it is characterised in that:
The non-woven fabrics air hole detection device further includes industrial Gige camera, and the industry Gige camera is set to described first
Crossbeam, the industry Gige camera are electrically connected with first detection piece and second detection piece, and the industry Gige phase
Machine and first detection piece interval pre-determined distance.
6. non-woven fabrics air hole detection device according to claim 5, it is characterised in that:
The industry Gige camera is located at the middle position of the first crossbeam, and with preset described in detection piece interval away from
From.
7. non-woven fabrics air hole detection device according to claim 5, it is characterised in that:
The rack further includes the third crossbeam between the first crossbeam and the second cross beam；
The non-woven fabrics air hole detection device further includes the light source assembly for being set to the third crossbeam.
8. non-woven fabrics air hole detection device according to claim 7, it is characterised in that:
The horizontal distance range of the light source assembly and the industry Gige camera is 220mm-250mm.
9. non-woven fabrics air hole detection device according to claim 7, it is characterised in that:
The non-woven fabrics air hole detection device further includes industrial personal computer, and the industrial personal computer is equipped at image capture module and image
Module is managed, described image acquisition module and described image processing module are electric with the industry Gige camera, the light source assembly
Connection, described image acquisition module are used for the information collection non-woven pattern according to the industry Gige camera, the light source assembly
Picture, described image processing module are used to obtain the bore region of non-woven fabrics air hole according to the information processing of described image acquisition module
Threshold value and hole profile centre coordinate value.
10. non-woven fabrics air hole detection device according to claim 9, it is characterised in that:
The non-woven fabrics air hole detection device further includes the display device with the industry control mechatronics, and the display device is used
The bore region threshold value and hole profile centre coordinate value of the non-woven fabrics air hole described in real-time display.
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| CN201821410647.1U CN208902618U (en) | 2018-08-28 | 2018-08-28 | A kind of non-woven fabrics air hole detection device |
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| CN201821410647.1U CN208902618U (en) | 2018-08-28 | 2018-08-28 | A kind of non-woven fabrics air hole detection device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108693186A (en) * | 2018-08-28 | 2018-10-23 | 广东省智能制造研究所 | A kind of non-woven fabrics air hole detection device and method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108693186A (en) * | 2018-08-28 | 2018-10-23 | 广东省智能制造研究所 | A kind of non-woven fabrics air hole detection device and method |
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Address after: 510000 15 building, 100 martyrs Road, Yuexiu District, Guangzhou, Guangdong. Patentee after: Institute of intelligent manufacturing, Guangdong Academy of Sciences Address before: 510000 15 building, 100 martyrs Road, Yuexiu District, Guangzhou, Guangdong. Patentee before: GUANGDONG INSTITUTE OF INTELLIGENT MANUFACTURING |
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