CN106133504B - Defect detecting device - Google Patents
Defect detecting device Download PDFInfo
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- CN106133504B CN106133504B CN201580017049.0A CN201580017049A CN106133504B CN 106133504 B CN106133504 B CN 106133504B CN 201580017049 A CN201580017049 A CN 201580017049A CN 106133504 B CN106133504 B CN 106133504B
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- pressing
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- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B51/00—Applications of needle-thread guards; Thread-break detectors
-
- 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
- G01N21/8806—Specially adapted optical and illumination features
-
- 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
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05D—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES D05B AND D05C, RELATING TO SEWING, EMBROIDERING AND TUFTING
- D05D2305/00—Operations on the work before or after sewing
- D05D2305/32—Measuring
- D05D2305/36—Quality control
-
- 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
- G01N21/89—Investigating the presence of flaws or contamination in moving material, e.g. running paper or textiles
- G01N21/892—Investigating the presence of flaws or contamination in moving material, e.g. running paper or textiles characterised by the flaw, defect or object feature examined
- G01N21/898—Irregularities in textured or patterned surfaces, e.g. textiles, wood
- G01N21/8983—Irregularities in textured or patterned surfaces, e.g. textiles, wood for testing textile webs, i.e. woven material
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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
- Sewing Machines And Sewing (AREA)
Abstract
Defect detecting device has the work holder (1) kept to inspection object.Work holder (1) includes the pedestal (12) and pressing plate (13) of inspection desk (11), the mounting surface (11a) for being set to inspection desk (11).When the specified position (Pt) on mounting surface (11a) placed inspection object, pedestal (12) becomes the state for slipping into the behind of flaccid part (103) of inspection object.Pressing plate (13) is the transparent pressing plate that at least part for the inspection object that will be placed in specified position (Pt) is pressed to inspection desk (11).Furthermore, the opening (131a) passed through when pressing plate (13) are configured in pressing position for pedestal (12) is equipped in the first flat part (131) close to opposed the first flat part (131) with the mounting surface (11a) of inspection desk (11) when pressing plate (13) is configured in pressing position with it.
Description
Technical field
The present invention relates to the defect detecting device for being present in the defects of inspection objects such as sewed product and being detected.
Background technique
During manufacturing the sewed products such as air bag, sometimes the defects of suture generates off-line, broken end, wire jumper.
Such defect was detected by visual inspection in the past.In recent years, for the further increasing of detection accuracy, operating cost
It is cheaper, inquiring into automates defects detection.Specifically, after sewed product is placed in inspection desk by operator, from
The image data for moving to obtain sewed product is generated based on this image data or and applying image procossing to this image data
Image data is handled, defect is detected (for example, referring to patent document 1 or 2).
In such defect detecting technique, in the case where generating relaxation on the sewed product for being placed in inspection desk, suture
It is deteriorated to the mapping of image data, the detection accuracy of defect reduces.It is therefore proposed that technology be: sewed product is being placed in inspection
When looking into platform, sewed product is pressed by transparent plate, thus makes sewed product smooth.
Existing technical literature
Patent document
Patent document 1: Japanese Unexamined Patent Publication 7-16376 bulletin
Patent document 2: Japanese Unexamined Patent Publication 10-170231 bulletin
The summary of invention
Problem to be solved by the invention
But place the side of sewed product to inspection desk not due to operator in the relaxation for the sewed product for being placed in inspection desk
Method and lead to the problem of but in the case where intrinsic (due to the intrinsic shape possessed by sewed product) of sewed product, if passing through
Plate presses this sewed product, then many folds can be generated in sewed product.Therefore, for there is the sewed product of relaxation, it is difficult to mention
The inspection precision of high defect.
Summary of the invention
Therefore, the purpose of the present invention is to provide one kind can be with high precision to present in the inspection object that there is relaxation
The defect detecting device that defect is detected.
The method used for solving the problem
Defect detecting device of the invention is defect present in the inspection object to the flaccid part with partial relaxation
The device detected, has: work holder keeps above-mentioned inspection object；Image pickup part, acquirement are held in work
The image data of the inspection object of part clamping device；And defects detection portion, based on image data or by image data
The processing image data for applying image procossing and generating, detects defect.Work holder includes inspection desk, has
The mounting surface placed for inspection object；Pedestal, set on the mounting surface of inspection desk；With pressing plate.Specified position in mounting surface
When placed inspection object, pedestal becomes the state for slipping into the behind of flaccid part.Pressing plate is the rule that will be placed in mounting surface
The transparent pressing plate that at least part for the inspection object set is pressed to inspection desk is positioned, it can be in pressing inspection object
Pressing position and move inspection object between the releasing position that pressing state discharges.In addition, pressing plate is configured with it
It is configured in close to the first opposed flat part in the first flat part equipped with pressing plate when pressing position with the mounting surface of inspection desk
The opening passed through when pressing position for pedestal.
Invention effect
Defect detecting device according to the present invention can be lacked to present in the inspection object that there is relaxation with high precision
It is trapped into capable detection.
Detailed description of the invention
Fig. 1 is the rearview of the driver's seat air bag of an example as inspection object.
Fig. 2 is the top view of the defect detecting device of embodiments of the present invention.
Fig. 3 is the main view of defect detecting device.
The work holder that Fig. 4 is had by defect detecting device, section along IV-IV line shown in Fig. 2
Figure.
Fig. 5 for indicate the pressing plate that has of defect detecting device, inspection object is pressed when position (press
Press position) sectional view.
Fig. 6 is the block diagram for conceptually indicating the composition of defect detecting device.
Fig. 7 is the rearview of the side airbag of the other examples as inspection object.
The top view for the work holder that Fig. 8 is had by the defect detecting device of first variation.
The sectional view for the work holder that Fig. 9 is had by the defect detecting device of the second variation.
Specific embodiment
Firstly, listing embodiments of the present invention to be illustrated.
The defect detecting device of embodiments of the present invention is the inspection object institute to the flaccid part with partial relaxation
The device that existing defect is detected, has: work holder keeps above-mentioned inspection object；Image pickup part takes
The image data of the inspection object of work holder must be held in；And defects detection portion, based on image data or pass through
The processing image data for applying image procossing to image data and generating, detects defect.Work holder includes inspection
Platform is looked into, there is the mounting surface placed for inspection object；Pedestal, set on the mounting surface of inspection desk；And pressing plate.In mounting surface
Specified position when placed inspection object, pedestal becomes the state for slipping into the behind of flaccid part.Pressing plate is that will be placed in load
The transparent pressing plate that at least part of the inspection object of the specified position on face is pressed to inspection desk is set, can be examined in pressing
It looks into the pressing position of object and moves inspection object between the releasing position that pressing state discharges.In addition, pressing plate has
Have its when being configured in pressing position with the mounting surface of inspection desk close to the first opposed flat part, be equipped with pressure in the first flat part
The opening passed through when plate is configured in pressing position for pedestal.
According to drawbacks described above detection device, in platen configuration in the state of releasing position, inspection object is placed on
When specified position in the mounting surface of inspection desk, by the presence of pedestal, the relaxation of flaccid part is moderately evened up.Hereafter, lead to
Crossing keeps pressing plate mobile to pressing position, and the peripheral part of inspection object is sandwiched between the first flat part and inspection desk.At this point, by
It is moderately evened up in flaccid part, therefore, and in the past entire inspection object was pressed by a plate like that
Situation is compared, it is difficult to generate fold in flaccid part.That is, workpiece clamp can be set to being nearly free from fold for inspection object
Hold device.In addition, the peripheral part of inspection object flattens.As a result, when having carried out shooting to inspection object by image pickup part,
Mapping of the inspection object to image data improves, as a result, defect present in inspection object is detected with high precision.
In the preferred specific composition of drawbacks described above detection device, when pressing plate also there is it to be configured in pressing position with
The seat surface of pedestal is close to the second opposed flat part.According to this constitution, when pressing plate is configured in pressing position, check object
The peripheral part of object is sandwiched between the first flat part and inspection desk, in addition, being loaded in the part quilt of the seat surface of pedestal in flaccid part
It is sandwiched between the second flat part and pedestal.As a result, in addition to the peripheral part of inspection object, the seat surface of pedestal is loaded in flaccid part
Part flatten.
Opening presentation and base in other preferred specific compositions of drawbacks described above detection device, set on the first flat part
The substantially similar shape of the seat surface of seat.In addition, pedestal is the round plate with defined thickness.
Then, the detailed content of embodiments of the present invention is illustrated.
The defect detecting device of present embodiment is to be detected to the defect for being present in the inspection objects such as sewed product
Device is particularly suitable for the inspection to the inspection object of the flaccid part with partial relaxation.As the inspection pair with flaccid part
As object, such as air bag can be enumerated etc..
[1] inspection object
Fig. 1 is the rearview of the driver's seat air bag B1 of an example as inspection object.In addition, being also showed that in Fig. 1
The enlarged drawing in the region Ia and the enlarged drawing in the region Ib.Driver's seat air bag B1 is by being circular two pieces by outer rim shape
Material 100 is overlappingly sutured and is formed.Furthermore in Fig. 1, the sheet material 100 of 100 inner layer of sheet material on surface layer is blocked.Pacify in driver's seat
The peripheral part of full air bag B1, is formed with two sutures 101 along the outer peripheral edge 100a of sheet material 100.Suture 101 is by by double
Linear slit and multiple suture 101A for being formed continuously are constituted.In addition, the center of the inner layer sheet material 100 in driver's seat air bag B1
Near, it is also formed with two sutures 102.The multiple suture 102A by being formed continuously by flush joint respectively of suture 102
It constitutes.Then, in driver's seat air bag B1 than suture 101 close to the part (being applied with the part of shade in Fig. 1) of inside
As being easy to produce loose part.That is, the part of the inside of suture 101 becomes relaxation in driver's seat air bag B1
Portion 103.
Hereinafter, to using driver's seat air bag B1 shown in FIG. 1 as the defect detecting device of main inspection object
Detailed content is illustrated.Furthermore using above-mentioned driver's seat air bag B1 as in the case where inspection object, mainly lead to
Defect detecting device is crossed to detect the defects of wire jumper generated in suture 101A and 102A.It is of course also possible to
The defects of being not limited to damage or the dirt that other positions of suture 101A and 102A generate is detected.
[2] composition of defect detecting device
Fig. 2 and Fig. 3 is the top view and main view of the defect detecting device of embodiments of the present invention respectively.Defect
Detection device has work holder 1, image pickup part 2 and illumination portion 3.Work holder 1, which has, carries out inspection object
The function of holding.
It is equipped with camera shooting space S 1 and working space S2 in defect detecting device, work holder 1 can be in camera shooting space
It is moved back and forth between S1 and working space S2.Here, camera shooting space S 1 is to carry out the space of the shooting of inspection object.In addition,
Working space S2 is that operator carries out inspection object to the operation such as the setting of work holder 1 and the replacement of inspection object
Space.Furthermore in Fig. 2, quilt in a manner of a part of roof 81 of the defect detecting device will be constituted camera shooting space S 1 is destroyed
It shows.In addition, in Fig. 3, in a manner of a part of front surface wall 82 of the defect detecting device will be constituted camera shooting space S 1 is destroyed
It is shown.
Specifically, the drive for limiting the guide rail 1A of the mobile route of work holder 1 and keeping work holder 1 mobile
Dynamic portion is (not shown) to be set to defect detecting device.In addition, workpiece has been set separately in camera shooting space S 1 and working space S2
The stop position P1 and P2 of clamping device 1.Then, aftermentioned control unit 7 controls driving portion (referring to Fig. 6), as a result,
Work holder 1 is between the stop position P2 in the stop position P1 and working space S2 in camera shooting space S 1 along guide rail 1A
It is mobile.
Fig. 4 is work holder 1, sectional view along IV-IV line shown in Fig. 2.Work holder 1 is by examining
Platform 11, pedestal 12 and pressing plate 13 is looked into constitute.Inspection desk 11 is the objective table with the mounting surface 11a placed for inspection object.
In the present embodiment, inspection desk 11 and pedestal 12 all have transmitance.Furthermore in Fig. 4, as driving for inspection object
The state for the specified position Pt that seat air bag B1 is sailed to be placed on mounting surface 11a is shown.
Pedestal 12 is located at the load of inspection desk 11 for evening up the relaxation of flaccid part 103 possessed by inspection object
Set face 11a.Specifically, pedestal 12 is configured as: being placed in inspection object (mainly driver's seat air bag B1)
When specified position Pt on mounting surface 11a, pedestal 12 becomes the state for slipping into the behind of flaccid part 103 of inspection object.More
Specifically, pedestal 12 is designed to: its seat surface 12a becomes the ruler smaller than the plan view shape (referring to Fig.1) of flaccid part 103
It is very little.In addition, the height T1 of pedestal 12 is designed according to the slack of flaccid part 103.By the base for being designed to appropriate height T1
Seat 12, the relaxation of flaccid part 103 is moderately evened up, as a result, even if passing through 13 pairs of pressing plate inspections pair as described later
When having carried out pressing as object, also it is difficult to generate fold in flaccid part 103.
In present embodiment, pedestal 12 is the round plate with defined thickness corresponding with height T1.That is, pedestal 12
Seat surface 12a and the plan view shape (referring to Fig.1) of the flaccid part 103 of the driver's seat air bag B1 as inspection object it is right
It is designed to round with answering.It also include from circle furthermore the shape of the seat surface 12a of pedestal 12 is not limited to strict circle
Slightly crooked shape or the partly various shape from circular deformation such as shape comprising straight line.
In present embodiment, pedestal 12 is further arranged to removable relative to mounting surface 11a.Therefore, as pedestal
12, diameter or the different multiple round plates of thickness are prepared in advance, according to the ruler of the inspection objects such as driver's seat air bag B1
It is very little, pedestal 12 can be replaced.
Pressing plate 13 be used for inspection object of the inspection desk 11 to the specified position Pt being placed on mounting surface 11a carry out by
Pressure.In addition, pressing plate 13 is formed by transparent material, so as not to interfere the inspection object carried out by aftermentioned image pickup part 2
It shoots (acquirement of image data).Here, the position for showing the pressing plate 13 when being pressed inspection object in Fig. 5 (is pressed
Press position).On the other hand, the position (releasing position) of the pressing plate 13 from pressing state release inspection object is shown in Fig. 4.
That is, pressing plate 13 is opened and closed pivot suspension freely relative to the mounting surface 11a of inspection desk 11, it can be in pressing position (referring to figure
5) it is moved between releasing position (referring to Fig. 4).As an example, the opening and closing of pressing plate 13 is executed by operator.Certainly, pressing plate 13
Opening and closing can also automate.
As shown in figure 4, pressing plate 13 has the first flat part 131 and the second flat part 132.Here, in the first flat part 131
Equipped with the opening 131a passed through when pressing plate 13 is configured in pressing position (referring to Fig. 5) for pedestal 12.Therefore, the first flat part
131 when pressing plate 13 is configured in pressing position, the mounting surface with the state that pedestal 12 passes through from opening 131a, with inspection desk 11
11a is close to opposed.In the present embodiment, opening 131a is the diameter circle bigger than the seat surface 12a of pedestal 12.That is, opening
The shape substantially similar with the seat surface 12a of pedestal 12 is presented in 131a.In addition, opening 131a is arranged to: pressing plate 13 is configured
When pressing position (referring to Fig. 5), the central axis C2 of central axis C1 (referring to Fig. 4) and the seat surface 12a for the 131a that is open is (referring to figure
4) substantially uniform.Furthermore the shape for the 131a that is open is not limited to strict circle, also comprising from round slightly crooked shape or
The partly various shape from circular deformation such as shape comprising straight line.
Second flat part 132 is the diameter round plate more slightly larger than opening 131a.In addition, the second flat part 132 is configured
It is central shaft C3 and the central axis C1 for the 131a that is open is substantially uniform, and to generate step between the first flat part 131
Mode is configured in the position deviateed upwards from the position of opening 131a along the central axis C1 of opening 131a.Then,
Two flat parts 132 are linked to the first flat part 131 via cylindric linking part 133.Here, linking part 133 is located at opening
The edge of 131a, and surround opening 131a.In addition, the height T2 (referring to Fig. 4) of linking part 133 is set to: in 13 quilt of pressing plate
When being configured at pressing position (referring to Fig. 5), the second flat part 132 and the seat surface 12a of pedestal 12 are close to opposed.
It will be examined according to above-mentioned work holder 1 in the state for being configured in releasing position (referring to Fig. 4) with pressing plate 13
When looking into the specified position Pt that object is placed on the mounting surface 11a of inspection desk 11, pass through the presence of pedestal 12, flaccid part 103
Relaxation moderately evened up.Hereafter, by making pressing plate 13 to pressing position (referring to Fig. 5) movement, the periphery of inspection object
Portion is sandwiched between the first flat part 131 and inspection desk 11, and the part quilt of the seat surface 12a of pedestal 12 is loaded in flaccid part 103
It is sandwiched between the second flat part 132 and pedestal 12.At this point, flaccid part 103 is moderately evened up, therefore, and passed through in the past
The case where one plate presses entire inspection object is compared, and is difficult to generate fold in flaccid part 103.In addition, checking
The part that the seat surface 12a of pedestal 12 is loaded in the peripheral part of object and flaccid part 103 flattens.
As shown in FIG. 2 and 3, image pickup part 2 is set to the roof 81 for constituting camera shooting space S 1.Specifically, image pickup part 2
It is configured at the position opposed with pedestal 12 when imaging the stop position P1 in space S 1 and stopping of work holder 1 facing downward.
There is image pickup part 2 CCD (Charge Coupled Device) imaging sensor, CMOS (Complementary MOS) image to pass
Sensor etc. is arranged with the imaging sensor of multiple light receiving elements of light of the sensing from inspection object.Then, 2 base of image pickup part
In the instruction from aftermentioned control unit 7 (referring to Fig. 6), the shooting for being held in the inspection object of work holder 1 is carried out,
The image data of inspection object is obtained as a result,.
In the shooting of the inspection object carried out by image pickup part 2, illumination portion 3 is to inspection object irradiation light.Illumination portion 3
In include indirect illumination portion 31 and transillumination portion (not shown).Indirect illumination portion 31 carries out inspection object from oblique upper
The irradiation etc. of light makes imaging sensor possessed by image pickup part 2 sense the reflected light at inspection object as a result,.At this point, if
To inspection object direct irradiation light, then bright or gloss is generated on the surface of inspection object, in acquired image data
In, the mapping of suture 101A, 102A etc. are easy to be deteriorated.It is therefore preferable that the light from indirect illumination portion 31 is indirectly to inspection
Object is irradiated.As an example, it is contemplated that the light from indirect illumination portion 31 is made to constitute camera shooting space S 1 for the time being
Wall surface reflection.Transillumination portion makes image possessed by image pickup part 2 to inspection object irradiation light from behind (lower section) as a result,
Sensor senses the transmitted light passed through from inspection object.Then, indirect illumination portion 31 and transillumination portion are based on after coming from
The instruction for the control unit 7 (referring to Fig. 6) stated, selectively is lighted when shooting inspection object.
Fig. 6 is the block diagram for conceptually indicating the composition of defect detecting device.As shown in fig. 6, defect detecting device also has
It is standby: image processing part 4, defects detection portion 5, storage unit 6 and control unit 7.
Image processing part 4 executes image procossing based on the instruction from control unit 7.Specifically, image processing part 4 is right
The image data of inspection object applies image procossing, and generation highlights suture 101A, 102A etc. and is easy to generate defect as a result,
Part processing image data.
Defects detection portion 5 executes defects detection processing based on the instruction from control unit 7.Specifically, defects detection
Portion 5 is based on the processing image data generated of image processing part 4, examines to the defects of wire jumper for being present in inspection object
It surveys.Furthermore defects detection portion 5 directly can also detect defect according to the image data of inspection object.
Control unit 7 is, for example, the CPU (Central Processing Unit) for being built in computer.It is stored in storage unit 6
There is image to obtain program, control unit 7 reads from storage unit 6 and executes this program, as a result, to work holder 1, image pickup part 2
And illumination portion 3 is controlled.Moreover, storing image processing program and defects detection program, control unit 7 in storage unit 6
It is read from storage unit 6 and executes these programs, image processing part 4 and defects detection portion 5 are controlled respectively as a result,.Again
Person, image, which obtains program, image processing program and defects detection program, can be used as a program for being embedded in these programs
It constructs, can also be used as single program to construct.
Defect detecting device according to the present embodiment, can be by inspection object (mainly driver's seat air bag B1)
It is set to work holder 1 with being nearly free from fold.Inspection object is shot by image pickup part 2 as a result,
When, inspection object (in the case where driver's seat air bag B1, especially suture 101A and 102A) is to image data
Mapping improve, as a result, the defects of being present in the wire jumper of inspection object is detected with high precision.
[3] variation
Then, the variation of drawbacks described above detection device is illustrated.
[3-1] first variation
As first variation, to using side airbag as the detailed interior of the defect detecting device of main inspection object
Appearance is illustrated.Hereinafter, being specifically illustrated to the composition for being different from above embodiment.
Fig. 7 is the rearview of other the side airbag B2 as inspection object.In addition, being also shown in Fig. 7
The enlarged drawing in the region VIIa and the enlarged drawing in the region VIIb.Side airbag B2 provides two of shape by overlappingly suture
Sheet material 104 and formed.Furthermore it is blocked in the sheet material 104 of Fig. 7,104 inner layer of sheet material on surface layer.In the week of side airbag B2
Edge is formed with two sutures 105 along the outer peripheral edge 104a of sheet material 104.Suture 105 is continuous by being stitched by two-wire respectively
The multiple suture 105A formed are constituted.In addition, the inner layer sheet material 104 in side airbag B2 is also formed with and linearly extends
Two sutures 106.Suture 106 is made of the multiple suture 106A being formed continuously by flush joint respectively.Then, side is pacified
The part (part of shade is applied in Fig. 7) surrounded in full air bag B2 by suture 105, which becomes, is easy to produce loose part.
That is, becoming flaccid part 103 by the part that suture 105 surrounds in side airbag B2.
Using above-mentioned side airbag B2 as in the case where inspection object, mainly by defect detecting device to
The defects of wire jumper that suture 105A and 106A are generated, is detected.It is of course also possible to be not limited to suture 105A with
And the damage that generates of other positions of 106A or the defects of dirt, are detected.
The top view for the work holder 1 that Fig. 8 is had by the defect detecting device of first variation.In the first deformation
In example, pedestal 12 is configured as: when side airbag B2 is placed on specified position Pt (referring to Fig. 8) on mounting surface 11a,
Pedestal 12 becomes the state for slipping into the behind of flaccid part 103 of side airbag B2.More specifically, pedestal 12 is designed to:
The shape substantially similar with the plan view shape of flaccid part 103 (referring to Fig. 7) is presented in its seat surface 12a, and becomes than flaccid part 103
The small size of plan view shape.In addition, the height T1 (referring to Fig. 4) of pedestal 12 is designed according to the slack of flaccid part 103.It is logical
The pedestal 12 for being designed to appropriate height T1 is crossed, the relaxation of flaccid part 103 is moderately evened up, as a result, even if passing through
When pressing plate 13 has carried out pressing to inspection object, also it is difficult to generate fold in flaccid part 103.Furthermore the seat surface of pedestal 12
Be not limited in the shape of 12a with the tight similar shape of the plan view shape of flaccid part 103, also comprising slightly crooked from its shape
Shape or the partly various shape from shape distortion similar with the plan view shape of flaccid part 103 such as shape comprising straight line.
Pressing plate 13 has the first flat part 131 and the second plate (referring to Fig. 4 and Fig. 5) identically as above embodiment
Portion 132 is equipped in the first flat part 131 and opens when pressing plate 13 is configured in pressing position (referring to Fig. 5) for what pedestal 12 passed through
Mouth 131a.In first variation, opening 131a is presented and the seat surface 12a of pedestal 12 is substantially similar and size compares seat surface
12a big shape.Furthermore be not limited in the shape for the 131a that is open with the tight similar shape of the seat surface 12a of pedestal 12, also wrap
Containing from this shape slightly skew or partly various shapes of the shape etc. comprising straight line from shape distortion similar with seat surface 12a
Shape.Shape corresponding with the opening shape of 131a is presented in second flat part 132, and is linked to the first plate via linking part 133
Portion 131.Here, the height T2 (referring to Fig. 4) of linking part 133 is set in the same manner as above embodiment: pressing plate 13 is matched
When being placed in pressing position (referring to Fig. 5), the second flat part 132 and the seat surface 12a of pedestal 12 are close to opposed.
According to the defect detecting device of first variation, side airbag B2 can be set to being nearly free from fold
Work holder 1.As a result, when having carried out shooting to side airbag B2 by image pickup part 2, side airbag B2 is (especially
It is suture 105A and 106A) mapping to image data improves, as a result, the defects of being present in the wire jumper of side airbag B2
It is detected with high precision.
[3-2] second variation
The sectional view of Fig. 9 (a) and the work holder 1 (b) being had by the defect detecting device of the second variation.
Shown in such as Fig. 9 (a) and (b), pressing plate 13 can also not have the second flat part 132 and linking part 133.According to this constitution,
Flaccid part 103 is not pressed by pressing plate 13.But as shown in Fig. 9 (a), by inspection object (driver's seat air bag B1 or side
Air bag B2 etc.) be placed on the mounting surface 11a of inspection desk 11 specified position Pt when, pass through the presence of pedestal 12, relaxation
The relaxation in portion 103 is moderately evened up.As a result, as shown in Fig. 9 (b), even if only to pass through first flat for the peripheral part of inspection object
Plate portion 131 presses, compared with previous the case where being pressed like that by a plate entire inspection object, in flaccid part
103 are also difficult to generate fold.
Furthermore each section composition of the invention is not limited to the above embodiment, and can also be recorded in detail in the claims
Technical scope in carry out various modifications.For example, the shape or size of pedestal 12 and pressing plate 13 can be according to inspection object
Shape or size, and then suitably changed according to shape or size of flaccid part 103 etc..In addition it is also possible in inspection desk 11
Mounting surface 11a be equipped with multiple pedestals 12.At this point, can get up to be used for pedestal 12 for thickness or variform tectonic association.
Industrial availability
Defect detecting device of the invention is not limited to the inspection of the sewed products such as air bag, can also apply to have pine
The inspection of the various products in relaxation portion.
Symbol description
1 work holder
1A guide rail
11 inspection desks
11a mounting surface
12 pedestals
12a seat surface
13 pressing plates
131 first flat parts
131a opening
132 second flat parts
133 linking parts
2 image pickup parts
3 illumination portions
31 indirect illumination portions
4 image processing parts
5 defects detection portions
6 storage units
7 control units
81 roofs
82 front surface walls
100 sheet materials
The outer peripheral edge 100a
101,102 sutures
101A, 102A suture
103 flaccid parts
104 sheet materials
The outer peripheral edge 104a
105,106 sutures
105A, 106A suture
B1 driver's seat air bag
B2 side airbag
S1 images space
S2 working space
The specified position Pt
P1, P2 stop position
T1, T2 height
C1, C2, C3 central axis
Claims (5)
1. a kind of defect detecting device, defect present in the inspection object to the flaccid part with partial relaxation is examined
It surveys, has:
Work holder keeps above-mentioned inspection object；
Image pickup part obtains the image data for being held in the above-mentioned inspection object of above-mentioned work holder；And
Defects detection portion, based on above-mentioned image data or the processing figure generated and applying image procossing to above-mentioned image data
As data, drawbacks described above is detected,
Above-mentioned work holder, comprising:
Inspection desk has the mounting surface placed for above-mentioned inspection object；
Pedestal, set on the above-mentioned mounting surface of above-mentioned inspection desk, the specified position in above-mentioned mounting surface placed above-mentioned inspection pair
When as object, become the state for slipping into the behind of above-mentioned flaccid part；And
Pressing plate, for the above-mentioned inspection object of above-mentioned specified position that will be placed in above-mentioned mounting surface at least part to
The transparent pressing plate of above-mentioned inspection desk pressing can press the pressing position of above-mentioned inspection object and make above-mentioned check object
Object is moved between the releasing position that pressing state discharges,
Above-mentioned pressing plate have its when being configured in above-mentioned pressing position with the above-mentioned mounting surface of above-mentioned inspection desk close to opposed the
One flat part is equipped with when above-mentioned pressing plate is configured in above-mentioned pressing position in above-mentioned first flat part and opens for what said base passed through
Mouthful.
2. defect detecting device according to claim 1,
Above-mentioned pressing plate also has it flat close to opposed second with the seat surface of said base when being configured in above-mentioned pressing position
Plate portion.
3. defect detecting device according to claim 1 or 2,
Above-mentioned opening set on above-mentioned first flat part is in the shape substantially similar with the seat surface of said base.
4. defect detecting device according to claim 1 or 2,
Said base is the round plate with defined thickness.
5. defect detecting device according to claim 3,
Said base is the round plate with defined thickness.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2014-069359 | 2014-03-28 | ||
| JP2014069359A JP6220715B2 (en) | 2014-03-28 | 2014-03-28 | Defect detection device |
| PCT/JP2015/001459 WO2015146065A1 (en) | 2014-03-28 | 2015-03-17 | Defect detecting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106133504A CN106133504A (en) | 2016-11-16 |
| CN106133504B true CN106133504B (en) | 2019-05-14 |
Family
ID=54194616
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201580017049.0A Active CN106133504B (en) | 2014-03-28 | 2015-03-17 | Defect detecting device |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP6220715B2 (en) |
| CN (1) | CN106133504B (en) |
| WO (1) | WO2015146065A1 (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1784595A (en) * | 2003-03-27 | 2006-06-07 | 马洛有限及两合公司 | Method for inspecting the quality criteria of flat textile structures embodied in a multilayer form according to a contour |
| WO2011145327A1 (en) * | 2010-05-20 | 2011-11-24 | 株式会社プレックス | Cloth inspection device and inspection method |
| JP2012247264A (en) * | 2011-05-26 | 2012-12-13 | Glory Ltd | Printed matter inspection method and printed matter inspection device |
| CN103196363A (en) * | 2012-01-10 | 2013-07-10 | Ckd株式会社 | Inspection device for manufacturing process of laminated cell |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08219726A (en) * | 1995-02-09 | 1996-08-30 | Hitachi Ltd | Inspecting jig |
| KR100277364B1 (en) * | 1998-06-08 | 2001-02-01 | 윤세용 | Missing defect automatic detection method and device |
| WO2004086013A1 (en) * | 2003-03-27 | 2004-10-07 | Mahlo Gmbh & Co. Kg | Method for inspecting the quality criteria of flat textile structures embodied in a multilayer form according to a contour |
| JP5793415B2 (en) * | 2011-12-26 | 2015-10-14 | 一般財団法人カケンテストセンター | Drapability test equipment |
| JP5818948B2 (en) * | 2014-06-24 | 2015-11-18 | 株式会社プレックス | Cloth piece inspection device |
-
2014
- 2014-03-28 JP JP2014069359A patent/JP6220715B2/en active Active
-
2015
- 2015-03-17 CN CN201580017049.0A patent/CN106133504B/en active Active
- 2015-03-17 WO PCT/JP2015/001459 patent/WO2015146065A1/en active Application Filing
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1784595A (en) * | 2003-03-27 | 2006-06-07 | 马洛有限及两合公司 | Method for inspecting the quality criteria of flat textile structures embodied in a multilayer form according to a contour |
| WO2011145327A1 (en) * | 2010-05-20 | 2011-11-24 | 株式会社プレックス | Cloth inspection device and inspection method |
| JP2012247264A (en) * | 2011-05-26 | 2012-12-13 | Glory Ltd | Printed matter inspection method and printed matter inspection device |
| CN103196363A (en) * | 2012-01-10 | 2013-07-10 | Ckd株式会社 | Inspection device for manufacturing process of laminated cell |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2015146065A1 (en) | 2015-10-01 |
| JP6220715B2 (en) | 2017-10-25 |
| JP2015190899A (en) | 2015-11-02 |
| CN106133504A (en) | 2016-11-16 |
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