CN104345313B - Oil sealing check device and inspection method - Google Patents
Oil sealing check device and inspection method Download PDFInfo
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- CN104345313B CN104345313B CN201310336066.3A CN201310336066A CN104345313B CN 104345313 B CN104345313 B CN 104345313B CN 201310336066 A CN201310336066 A CN 201310336066A CN 104345313 B CN104345313 B CN 104345313B
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- oil sealing
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- installment state
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
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- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
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Abstract
There is provided one kind to use simply, the differentiation that spring is in the oil sealing of semi-mounted state can be carried out exactly, also, in the absence of the oil sealing check device and inspection method of the worry that damage is given to oil sealing.The oil sealing check device of embodiments of the present invention（1）, include the oil sealing of stowage survey object（30）Inspection desk（10）, and detection is installed in this oil sealing（30）Spring installment state spring installment state test section（20）.Illuminating part（21）Send light, light accepting part（22）Receiving comes from oil sealing（30）Reflected light, export electric signal.In spring installment state judging part（23）, electric signal is received, is made binary image data.The binary image data being made by comparing and the standard binary image data prestored, judge the spring in the oil sealing of check object（32）Whether appropriate location is installed in.
Description
Technical field
The present invention relates to oil sealing check device and inspection method, the spring installment state that is more particularly to used to checking oil sealing
Oil sealing check device and inspection method.
Background technology
Such as described in patent document 1, typically as shown in figure 8, oil sealing 100 has：Oil sealing main body 101, metallicity
The becket 110 and spring 120 of ring-type.Oil sealing main body 101 is formed by the elastomeric material such as various rubber, is shaped as
Ring-type with groove 102.Oil sealing main body 101 have be pressed into housing (not shown) axis hole it is inner peripheral surface, formed in periphery
Press-in fixed part 103.In addition, oil sealing main body 101 includes sealing lip 104 and dust excluder lips 105, sealing lip 104, which is close to, does not scheme
The outer peripheral face of the axle shown, by oil seal in enclosure interior, dust excluder lips 105 are prevented between foreign matter intrusion sealing lip 104 and axle.Metal
Ring 110 is arranged in the groove 102 of oil sealing main body 101, the inner surface side in press-in fixed part 103, using its elasticity in housing
Place will be pressed into the inner circumferential that fixed part 103 presses on axis hole, oil sealing main body 101 is airtightly fixed on housing.Spring 120 is mounted
In groove 102, in the outer peripheral face of sealing lip 104 so that the lip leading section 106 of sealing lip 104 makes axle slideably be close to axle
Outer peripheral face.Sealing lip 104 and spring 120 are by oil seal in housing.Spring 120, for example, being configured in lip leading section
On 106 concentric circles, so that more reliably Seal Oil.
For the sealing of oil, it is necessary in oil sealing main body 101 that spring 120 is mounted in place.Therefore, in oil sealing
Manufacturing process in, carry out spring 120 whether be installed in oil sealing main body 101 appropriate position inspection.
Fig. 9 is the check device for the prior art for representing the position for checking the spring 120 in oil sealing main body 101
Figure.The check device 201 of prior art, comprising a pair of arms 202,203, arm 202,203 respectively comprising check pin 204,
205.Check that pin 204,205 forms electrode, when being conductively connected between checking pin 204 and checking pin 205, check device 201
Detect the conduction state between inspection pin 204,205.Specifically, the insertion of check device 201 checks that pin 204,205 arrives oil sealing
Predetermined 2 position in 100 groove 102, whether it is conductively connected between checking pin 204,205 by detection, judges spring
Whether 120 be installed in the appropriate position of oil sealing main body 101.Appropriate position is installed in the spring 120 of oil sealing main body 101
In the case of, the inspection pin 204,205 of the specified location entered in groove 102 is contacted with the part specified of spring 120, inspection
Look between pin 204,205 and be conductively connected via spring 120.Thus, check device 201 detect check pin 204,205 it
Between conduction state be present in the case of, be judged as being installed in appropriate position in the spring 120 of oil sealing main body 101.On the other hand,
In the case that spring 120 is not installed in appropriate position in oil sealing main body 101, the specific bit that has entered in groove 102
Either one or both sides of the inspection pin 204,205 put are not contacted with spring 120, and checking between pin 204,205 will not be via
Spring 120 is conductively connected.Therefore, the feelings of conduction state are not present between check device 201 detects inspection pin 204,205
Under condition, it is judged as not being installed in appropriate position in the spring 120 of oil sealing main body 101.
【Prior art literature】
【Patent document】
【Patent document 1】International Publication No. 2008/126478
The content of the invention
Problems to be solved by the invention
As described above, in the check device 201 of prior art, in order to which whether detection spring 120 is suitably arranged, enter
The inspection pin 204,205 entered in groove 102 must contact with the part specified of spring 120 respectively.That is, in check device 201,
Must be to checking that pin 204,205 correctly positions.Therefore, the oil sealing of check object is changed to the situation of the different oil sealing of specification
Under, every time must be in the position of the change inspection pin 204,205 of check device 201.In addition, check that pin 204,205 must be correct
Ground positions, and its position adjustment is the work for being difficult.In this way, when using the check device of prior art, the position for checking pin
Put time very big under adjustment needs.
In addition, as shown in Figure 10, it is right under the part semi-mounted state that stays in the outside of groove 102 and install of spring 120
That the inspection pin 204,205 for entering groove 102 is contacted with spring 120 in the situation of semi-mounted state should be present, now can
The spring 120 in semi-mounted state is judged as to be properly installed.In this way, the check device of prior art can not detect half
Extension state, exist and the spring in semi-mounted state is judged as the worry that has suitably arranged.
In addition, in check device 201, in the case where checking that pin 204,205 is not located within appropriate position, pin is checked
204th, 205 be contacted with oil sealing main body 101 press-in fixed part 103 or sealing lip 104 and by signature, can give and damage.
In addition, corresponding to the diameter for checking pin 204,205, the specification for the oil sealing 100 that check that is limited.It is for example, right
In diameter 1mm inspection pin 204,205, the wide W for being merely capable of checking groove 102 is more than 3mm oil sealing 100.In the width of groove 102
In the case that W is smaller than 3mm, easily oil sealing 100 is given and damaged.
In this way, the check device of prior art, needs lower many time when in use, it is impossible to carries out being in semi-mounted state
Oil sealing differentiation, additionally, there are the worry that damage is given for oil sealing.
It is an object of the invention to provide one kind using simple, can carry out the oil sealing that spring is in semi-mounted state exactly
Differentiate, also, in the absence of the oil sealing check device and inspection method of the worry that damage is given to oil sealing.
The means solved the problems, such as
In order to reach the purpose, oil sealing check device of the invention, comprising the inspection desk for loading oil sealing, detection is mounted
In the spring installment state test section of the installment state of the spring of the oil sealing, it is characterised in that the spring installment state inspection
Survey portion, comprising illuminating part, light accepting part and spring installment state judging part, the illuminating part sends light and to being loaded on the inspection
The oil sealing for looking into platform irradiates the light, and the reflected light from the oil sealing for the light being issued described in the light accepting part receiving is described
Spring installment state judging part judges the installment state of the spring based on the reflected light that the light accepting part receives.
Preferably, the illuminating part includes light emitting diode.
Preferably, the illuminating part sends green light.
Preferably, the green light is light of the dominant wavelength λ d between 480nm~560nm.
Preferably, the green light is light of the dominant wavelength λ d between 500nm~540nm.
Preferably, the illuminating part, institute is obliquely sent for being loaded on the axis of the oil sealing of the inspection desk
State light.
Preferably, the illuminating part, for be loaded on the inspection desk the oil sealing axis with 55 °~65 ° it
Between angle send the light.
Preferably, the illuminating part, sent out for being loaded on the axis of the oil sealing of the inspection desk with 60 ° of angle
Go out the light.
Preferably, the spring installment state judging part, the reflected light that binary conversion treatment is received based on the light accepting part
Image, binary image data are formed, the installment state of the spring is judged based on the binary image data.
Preferably, the spring installment state judging part, have it is preformed, based on being mounted with bullet in desired position
The binary image data of the oil sealing of spring are standard binary image data, the spring installment state judging part, are passed through
Compare the standard binary image data and the binary image data, judge the spring whether be properly installed in
The oil sealing.
In order to reach the purpose, oil sealing inspection method of the invention, included in the loading for the position loading oil sealing specified
Step, detection are installed in the spring installment state detecting step of the installment state of the spring of the oil sealing, the spring installation
State detecting step, light is sent simultaneously comprising light emitting step, light step and spring installment state judgment step, the light emitting step
Irradiate the light to the oil sealing that is loaded, the light step receive described in be issued light from the anti-of the oil sealing
Light is penetrated, the spring installment state judgment step judges the installation of the spring based on the reflected light received in the light step
State.
Preferably, the light is sent from light emitting diode in the light emitting step.
Preferably, green light is sent as the light in the light emitting step.
Preferably, the green light is light of the dominant wavelength λ d between 480nm~560nm.
Preferably, the green light is light of the dominant wavelength λ d between 500nm~540nm.
Preferably, in the light emitting step, the light is obliquely sent for the axis of the oil sealing being loaded.
Preferably, in the light emitting step, for the oil sealing being loaded axis with the angle between 55 °~65 °
Send the light.
Preferably, in the light emitting step, for the oil sealing being loaded axis sent with 60 ° of angle it is described
Light.
Preferably, in the spring installment state judgment step, binary conversion treatment in the light step based on receiving
The image of reflected light, binary image data are formed, the installment state of the spring is judged based on the binary image data.
Preferably, in the spring installment state judgment step, by it is more preformed, based in desired position
It is mounted with the binary image data i.e. standard binary image data of the oil sealing of spring, and the binary picture of the formation
As data, judge whether the spring is properly installed in the oil sealing.
Invention effect
According to the oil sealing check device and inspection method of the present invention, because the reflected light based on the light for being irradiated to oil sealing judges
The installment state of spring, so, it is not necessary that as the specification of the oil sealing of check object changes and change check device and inspection
The setting of checking method, will not can simply it be checked with numerous and diverse work and other places.Additionally, oil sealing can not be given
Checked to damage.And then it can be checked for the small oil sealings of groove width W.In addition, because for being in half from spring
The reflected light of oil sealing of the oil sealing of extension state with being installed in appropriate position from spring, the state of received light is different,
Thus it is possible to reliably carry out the differentiation that spring is in the oil sealing of semi-mounted state.
In this way, according to the oil sealing check device and inspection method of the present invention, it can use simply, can reliably carry out
Spring is in the differentiation of the oil sealing of semi-mounted state, furthermore it is possible to eliminate the worry that damage is given to oil sealing.
In addition, according to the present invention oil sealing check device and inspection method because sending light from light emitting diode,
Inspection precision can be improved, furthermore it is possible to reduce energy resource consumption.
In addition, according to the oil sealing check device and inspection method of the present invention, because using green light, thus it is possible to connect
In the reflected light received, big difference, energy are set between the briliancy of the reflected light from oil sealing main body and the reflected light from spring
Enough installment states for more reliably judging spring.
In addition, according to the oil sealing check device and inspection method of the present invention, because the green light is dominant wavelength λ, d is
Light between 480nm~560nm, thus it is possible to make the difference of the briliancy bigger, it can more reliably judge the installation shape of spring
State.
In addition, according to the oil sealing check device and inspection method of the present invention, because the green light is dominant wavelength λ, d is
Light between 500nm~540nm, thus it is possible to make the difference of the briliancy further big, it can more reliably judge the peace of spring
Dress state.
In addition, according to the oil sealing check device and inspection method of the present invention, because the axis of the oil sealing for being loaded inclines
Tiltedly light, thus it is possible to access the reflected light for the installment state that can reliably judge spring.
In addition, according to the present invention oil sealing check device and inspection method because for the oil sealing being loaded axis with
Angle between 55 °~65 ° lights, thus it is possible to access the reflected light for the installment state that can more reliably judge spring.
In addition, according to the oil sealing check device and inspection method of the present invention, because the axle for the oil sealing being loaded
Line is lighted with 60 ° of angle, thus it is possible to access the reflected light for the installment state that further can reliably judge spring.
In addition, according to the oil sealing check device and inspection method of the present invention, because reflection of the binary conversion treatment based on receiving
The image of light, binary image data are formed, the installment state of spring is judged based on this binary image data, thus it is possible to
Judge the installment state of spring with can arriving.
In addition, according to the present invention oil sealing check device and inspection method because by it is more preformed, based on
Desired position is mounted with the binary image data i.e. standard binary image data of the oil sealing of spring, and the two-value detected
Change view data, judge whether the spring is properly installed in the oil sealing, thus it is possible to more reliably judge spring
Installment state.
Brief description of the drawings
Fig. 1 is the figure of the schematic configuration for the oil sealing check device for representing embodiments of the present invention.
Fig. 2 is the figure of the situation of the light sent of the illuminating part for the oil sealing check device for representing embodiments of the present invention.
Fig. 3 is the figure of one of the oil sealing for being denoted as check object.
Fig. 4 is the outline knot of the spring installment state judging part for the oil sealing check device for representing embodiments of the present invention
The block diagram of structure.
Fig. 5 is the figure that citing represents the irradiation portion that spring is irradiated by light in the case of being installed in the appropriate location of oil sealing,
Fig. 5（a）Be in the profile of oil sealing represent irradiation portion figure, Fig. 5（b）It is the expression irradiation portion in the plan of oil sealing
Figure.
Fig. 6 is the stream that the spring installment state for representing to be performed in Fig. 4 spring installment state judging part judges processing
Cheng Tu.
Fig. 7 is to represent that the spring installment state in Fig. 6 judges the binary image data being made in the step S3 of processing
An example figure, Fig. 7（a）It is to represent to correspond to be installed in the two-value that the oil sealing of appropriate position is made according to spring
Change the figure of the binary image of view data, Fig. 7（b）~（f）Represent appropriate corresponding to not being installed according to spring
The figure of the binary image for the binary image data that the oil sealing of position is made.
Fig. 8 is the profile for the schematic configuration for representing in general oil sealing.
Fig. 9 is the figure of the outline of the check device for the oil sealing for representing prior art.
Figure 10 is the figure for representing the oil sealing that spring is installed with semi-mounted state.
Symbol description
1 oil sealing check device
10 inspection desks
11 base stations
12 location divisions
12a sides
20 spring installment state test sections
21 illuminating parts
22 light accepting parts
23 spring installment state judging parts
24 image processing parts
25 storage units
26 control units
27 output sections
30th, 100 oil sealing
31st, 101 oil sealing main body
32nd, 120 spring
33 spring mounting surfaces
34th, 102 groove
103 fixed parts
104 sealing lips
105 dust excluder lips
106 lip leading sections
110 beckets
201 check devices
202nd, 203 arm
204th, 205 pin is checked
I irradiation portions
L light（Irradiation light）
R reflected lights
X axis
W groove widths
Embodiment
Hereinafter, for embodiments of the present invention, it is described with reference to the accompanying drawings.
Fig. 1 is the figure of the schematic configuration for the oil sealing check device for representing embodiments of the present invention.
The oil sealing check device 1 of embodiments of the present invention, the and of inspection desk 10 of the oil sealing 30 comprising stowage survey object
Detection is installed in the spring installment state test section 20 of the installment state of the spring of oil sealing 30.
Inspection desk 10, comprising base station 11 and location division 12, the oil sealing 30 of check object is loaded into base station 11, by location division
12 are positioned at the inspection position specified.The structure of location division 12, for example, as shown in figure 1, be formed as can be on base station 11
A pair mobile of plate.In each plate, the side 12a of 1 tilts towards mutual direction, by by the side of oil sealing 30
Face is connected to this side 12a tilted respectively so that on inspection desk 10, oil sealing 30 is located in the specific bit on base station 11
Put.It should illustrate, the structure of inspection desk 10 can use various structures, be not limited to the mechanism shown in Fig. 1.
Spring installment state test section 20, include illuminating part 21, light accepting part 22 and spring installment state judging part 23, hair
Light portion 21 sends light, and by light irradiation in the oil sealing 30 for being loaded on inspection desk 10, light accepting part 22 receives to be reflected by sending out by oil sealing 30
The light for the light that light portion 21 is sent i.e. reflected light, spring installment state judging part 23 judge bullet based on the reflected light that light accepting part 22 receives
The installment state of spring.
Illuminating part 21, comprising light emitting diode as light-emitting component.In addition, illuminating part 21 sends green light.That is illuminating part
21 light emitting diode is green LED.Preferably, the green light master that illuminating part 21 is sent（Dominant）Wavelength X d
In between 480nm to 560nm, it is highly preferred that the dominant wavelength λ d of green light are between 500nm to 540nm.Because as after
It is described, in the present invention, detected according to the luminance difference between the reflected light from spring and the reflected light from oil sealing main body 31
Go out spring position, therefore, it is desired to the brightness of the reflected light between the reflected light from spring and the transmitting light from oil sealing main body 31
Degree difference is big.In the case of having used green light, compared to the situation for the light for having used other colors, it can increase from spring
The luminance difference of reflected light between reflected light and reflected light from oil sealing main body 31.Therefore, in the present invention, it is preferred to, send out
Light portion 21 using green light as the light sent, moreover it is preferred that this green light dominant wavelength λ d be in from 480nm to 560nm it
Between, it is highly preferred that dominant wavelength λ d are between 500nm to 540nm.Because illuminating part 21 includes light emitting diode as luminous
Element, so being able to easily form the green light.Check precision furthermore it is possible to improve, energy expenditure can be reduced.
In addition, illuminating part 21, as shown in Fig. 2 luminous to be formed for the axle for the oil sealing 30 for being located in inspection desk 10
Line X（Reference picture 3）With the light L of specified angle [alpha] inclination.Accordingly, for the spring mounting surface 33 of oil sealing 30（Reference picture
3）From the direction irradiation light of angle [alpha].Preferably 60 ° ± 5 ° of angle [alpha].That is, the angle angle [alpha] is preferably from 55 ° to 65 °, 60 ° are
Most preferably.
Light accepting part 22, there is the photo-electric conversion elements such as solid-state imaging element as photo detector, receive from oil sealing 30
Reflected light R, export electric signal（Reference picture 2）.
Fig. 4 is the block diagram of the schematic configuration for the spring installment state judging part 23 for representing oil sealing check device 1.Spring is installed
Condition adjudgement portion 23, as shown in figure 4, comprising image processing part 24, storage unit 25, control unit 26 and output section 27, after progress
The spring installment state judgement processing stated.Should illustrate, the spring installment state judging part 23 of present embodiment or,
The server of management view data, the PC for indicating print execution etc. can be connected to via network etc..
In spring installment state judging part 23, image processing part 24 receives the electric signal that light accepting part 22 exports and is made image
Data, and it is made the binary image data for the view data being made based on specified threshold binarization.The threshold value is set
For the part outside the part of spring 32 and spring in the binary image data being made, can be positively identified.Storing
Portion 25, store pre-made standard binary image data.This standard binary picture seems to be mounted with position
The oil sealing 30 of spring 32 is used as check object, by using oil sealing check device 1, is formed by spring installment state judging part 23
Binary image data.Image processing part 24, the binary image data being made by the oil sealing 30 compared for check object
With the standard binary image data prestored, judge whether spring 32 is installed in suitably in the oil sealing 30 of check object
Position.Output section 27, the judged result of output image processing unit 24.The output form of output section 27, can be any shape
Formula.For example, output section 27 has a screen, output section 27 on screen by text information etc. it is any in the form of output image processing
The judged result in portion 24.In addition, output section 27 can also be being capable of display image processing unit 24 is made on screen picture number
According to this and binary image data, the standard binary image data for being stored in storage unit 25.
Control unit 26, comprising CPU, ROM, RAM etc., by performing a variety of control programs, control image processing part 24, storage
Portion 25 and output section 27 are deposited, carries out described spring installment state judgement processing.
The structure of spring installment state judging part 23 is not defined to described structure, as long as it is based on binary image number
According to this and standard binary image data, judge whether spring 32 is installed in appropriate position in the oil sealing 30 of check object
Put, export the structure of judged result.
Although being illustrated as described previously for the structure of the oil sealing check device 1 of embodiments of the present invention,
The structure of the oil sealing check device of the present invention is not defined to described structure.
Although in the oil sealing check device 1 of embodiments of the present invention, illuminating part 21 includes light emitting diode as luminous
Element, but light-emitting component is not limited to light emitting diode, as long as the light-emitting component of described light can be sent.Because hair
The straightline propagation of optical diode light is good, so reflected light can be formed well.Therefore, in perception reflex light as described later and
In the present invention for judging the installment state of spring, preferably using the light emitting diode of reflected light can be formed well as luminous
Element.
Although in addition, in the oil sealing check device 1 of embodiments of the present invention, turn into illuminating part 21 and send green light
Situation, still, the color not limited to this for the light that illuminating part 21 is sent.For example, it is also possible to use red light emitting diodes or white
Light-emitting component of the color light emitting diode as illuminating part 21, use red or white light.In the case of using green light, come
Luminance difference ratio between the reflected light of part beyond reflected light from spring and the spring from oil sealing using red light or
It is clearer and more definite in the case of white light.Therefore, green light is preferably used in the present invention.
Hereinafter, the oil sealing inspection method on embodiments of the present invention, is described with reference to the accompanying drawings.Present embodiment
Oil sealing inspection method is implemented in described oil sealing check device 1.
Oil sealing check device 1 is started by specified operation first.Then, in inspection desk 10, will be examined using location division 12
Check the inspection position specified that the oil sealing 30 of elephant is positioned on base station 11.It should illustrate, the starting of check device 1, oil sealing 30
Positioning order not limited to this.
Then, green light is irradiated from illuminating part 21 to oil sealing 30.It is preferred that green light dominant wavelength λ d are in
Between 480nm to 560nm, it is highly preferred that dominant wavelength λ d are between 500nm to 540nm.Because illuminating part 21 is to oil sealing
30 irradiations have tilted the light L of angle [alpha] degree for the axis X of oil sealing 30（Reference picture 2）, so being installed in oil in spring 32
The situation of the appropriate position of envelope 30, as shown in figure 5, the irradiation portion I that spring 32 turns into an only specific part is irradiated by light
Situation.In Figure 5, irradiation portion I is represented by the grid of oblique line.Angle [alpha] of the irradiation portion I scope due to irradiation light, oil sealing 30
The installation site of spring 32, spring 32 the change such as thick.In addition, oil sealing main body 31 is installed on semi-mounted state in spring 32
In the case of, also there is the overall situation that irradiation portion I almost turns into spring 32.Angle [alpha] as described above, it is preferred to from 55 ° to 65 ° it
Between angle, 60 ° are most preferred.The angle [alpha] of this irradiation light, what is made can form the irradiation of the light of following binary image
Angle, the oil that the oil sealing 30 and spring 32 that this binary image can be properly installed to spring 32 are not properly installed
Envelope 30 is classified well.Installation site of the optimal angle based on the spring 32 in oil sealing 30, spring 32 it is thick etc..
Light accepting part 22, receive the reflected light from oil sealing 30, formed using photo-electric conversion element by opto-electronic conversion processing
Corresponding to the electric signal of the reflected light received, and export.
Then, spring installment state judging part 23 receives the electric signal exported from light accepting part 22, is performed based on this electric signal
The judgement of spring installment state is handled.Fig. 6 is that the spring installment state for representing to perform in spring installment state judging part 23 judges
The flow chart of processing.
As shown in fig. 6, in spring installment state judgement processing, first, inputted to image processing part 24 from light accepting part 22
The electric signal of output（Step S1）.Then, image processing part 24, based on electric signal, formed and correspond to what light accepting part 22 received
The view data of reflected light（Step S2）, view data for being formed for this based on specified threshold value carry out binary conversion treatment, shape
Into binary image（Step S3）.
Then, image processing part 24, contrast in the step S3 binary image data being made and deposited in advance in storage unit 25
The standard binary image data of storage, judge whether the binary image data that are made are consistent with standard binary image data
（Step S4）.For standard binary image data, as described above, being that will be mounted with the oil sealing 30 of spring 32 in position
As check object, the binary image data being made by described method, it is pre-stored within storage unit 25.It is being made
Binary image data whether in the judgement consistent with standard binary image data, the binary image data being made with
In the case that standard binary image data are fully consistent, it is judged as binary image data and the standard binary picture being made
As data are consistent.In addition it is also possible to be, even the binary image data being made be not fully with standard binary picture
As data it is consistent in the case of, if inconsistent scope in specified scope, just by the inconsistent work of this scope specified
For error, also it is judged as that the binary image data that are made are consistent with standard binary image data.
Fig. 7 is to represent the figure in an example of the step S3 binary image data being made, Fig. 7（a）It is to represent corresponding
In the binary image of binary image data that the oil sealing 30 that appropriate position has been installed according to spring 32 is made
Figure.I.e., it may also be said to, Fig. 7（a）Binary image correspond to the standard binary images of standard binary image data.
In Fig. 7（a）Binary image in, it is identical with the irradiation portion I shown in Fig. 5, illustrate the photograph of substantially one half part of spring 32
Penetrate part.It is being made and Fig. 7（a）The consistent binary image data of binary image in the case of, be judged as checking pair
The oil sealing 30 of elephant is suitably mounted with spring 32.
Fig. 7（b）~（f）It is to represent that corresponding to the oil sealing 30 not being set in place according to spring 32 is made
The figure of the binary image of binary image data.Such as Fig. 7（b）It is shown, do not represent bullet in the situation for being fitted without spring 32
The irradiation portion of spring 32.In addition, such as Fig. 7（c）Spring 32 be mounted it is multiple, such as in the case of 2, the irradiation portion I quilts of spring 32
Be expressed as it is double, and irradiation portion I be represented as it is bigger than standard binary image.In addition, pacified in spring 32 with semi-mounted state
In the case of dress, such as Fig. 7（d）~（f）Shown, the irradiation portion I of spring 32 is shown in the spring 32 of standard binary image
Place beyond irradiation portion.
Then, image processing part 24 exports step S4 judged result to output section 27, output section 27, exports this and judges knot
Fruit（Step S5）.The output of the judged result of output section 27 is by " OK ", " NG " for example, by the screen having in output section 27
Deng word-information display judged result and carry out.In addition it is also possible to it is the output that judged result is carried out by sound.In addition,
Can be the binary image data and standard binary image data that the screen display in output section 27 is made.In this case,
It is overlapping show the binary image data that are made and standard binary image data can also, or display can also side by side.It is aobvious
The binary image data and standard binary image data shown can also be corresponding binary images.
Spring installment state judges that processing is completed by the output of step S5 judged result.
The judged result of processing is judged corresponding to spring installment state, is distinguished without installation spring 32 in position
Oil sealing 30 and the oil sealing 30 for installing spring 32 in position.This distinguish it is artificial carry out can also, it is automatic by known device
Progress can also.
Although being illustrated as described previously for the structure of the oil sealing inspection method of embodiments of the present invention,
The structure of the oil sealing inspection method of the present invention is not limited to the structure.
As described above, according to the oil sealing check device and inspection method of the present invention, because based on the light for being irradiated to oil sealing
Reflected light judges the installment state of spring, so, it is not necessary that as the specification of the oil sealing of check object changes and change and check
The setting for needing time of device and inspection method, the inspection that the ground such as numerous and diverse work simply carry out oil sealing can be not accompanied by
Look into.Additionally, check while damage can not be given to oil sealing.And then it can be checked for the small oil sealings of groove width W.
In addition, because in the binary image data based on the reflected light from oil sealing, it can clearly distinguish and suitably be mounted with
The oil sealing and spring of spring are in the oil sealing of semi-mounted state, so the oil sealing that spring is in semi-mounted state can reliably be carried out
Differentiate.
Claims (24)
1. a kind of oil sealing check device, comprising the inspection desk for loading oil sealing, detection is installed in the installation of the spring of the oil sealing
The spring installment state test section of state, it is characterised in that
The spring installment state test section, comprising illuminating part, light accepting part and spring installment state judging part, the illuminating part hair
Light extraction and the oil sealing to being loaded on the inspection desk irradiate the light, and the light accepting part receiving light comes from the oil sealing
Reflected light, reflected light from spring that the spring installment state judging part is received based on the light accepting part and from oil sealing
Luminance difference between the reflected light of main body judges the installment state of the spring,
The illuminating part sends the light relative to the axis for the oil sealing for being loaded on the inspection desk with angle [alpha], described
Thick at least one party of the angle [alpha] based on installation site of the spring in the oil sealing and the spring is set, institute
It is the angle between 55 °~65 ° to state angle [alpha].
2. oil sealing check device as claimed in claim 1, it is characterised in that the illuminating part includes light emitting diode.
3. oil sealing check device as described in claim 1 or 2, it is characterised in that the illuminating part sends green light.
4. oil sealing check device as claimed in claim 3, it is characterised in that the green light be dominant wavelength λ d for 480nm~
Light between 560nm.
5. oil sealing check device as claimed in claim 4, it is characterised in that the green light be dominant wavelength λ d for 500nm~
Light between 540nm.
6. such as the oil sealing check device any one of claim 1,2,4 to 5, it is characterised in that the illuminating part, for
The axis for being loaded on the oil sealing of the inspection desk sends the light with 60 ° of angle.
7. oil sealing check device as claimed in claim 3, it is characterised in that the illuminating part, for being loaded on the inspection
The axis for looking into the oil sealing of platform sends the light with 60 ° of angle.
8. such as the oil sealing check device any one of claim 1,2,4,5,7, it is characterised in that the spring installs shape
State judging part, the image for the reflected light that binary conversion treatment is received based on the light accepting part, binary image data are formed, based on institute
State the installment state that binary image data judge the spring.
9. oil sealing check device as claimed in claim 3, it is characterised in that the spring installment state judging part, binaryzation
The image of the reflected light received based on the light accepting part is handled, binary image data are formed, based on the binary image number
It is judged that the installment state of the spring.
10. oil sealing check device as claimed in claim 6, it is characterised in that the spring installment state judging part, binaryzation
The image of the reflected light received based on the light accepting part is handled, binary image data are formed, based on the binary image number
It is judged that the installment state of the spring.
11. oil sealing check device as claimed in claim 8, it is characterised in that the spring installment state judging part, have pre-
The binary image data i.e. standard binary image being initially formed, based on the oil sealing that spring is mounted with desired position
Data, the spring installment state judging part, pass through the standard binary image data and the binary image number
According to judging whether the spring is properly installed in the oil sealing.
12. the oil sealing check device as described in claim 9 or 10, it is characterised in that the spring installment state judging part, tool
There is the binary image data i.e. standard binaryzation preformed, based on the oil sealing that spring is mounted with desired position
View data, the spring installment state judging part, pass through the standard binary image data and the binary picture
As data, judge whether the spring is properly installed in the oil sealing.
A kind of 13. oil sealing inspection method, included in the position specified loads the loading step of oil sealing, detection is installed in the oil
The spring installment state detecting step of the installment state of the spring of envelope, it is characterised in that
The spring installment state detecting step, it is described comprising light emitting step, light step and spring installment state judgment step
Light emitting step sends light and irradiates the light to the oil sealing being loaded, and it is described that the light step receives coming from for the light
The reflected light of oil sealing, the spring installment state judgment step is based on the reflected light from spring received in the light step
Luminance difference between the reflected light from oil sealing main body judges the installment state of the spring,
The illuminating part sends the light relative to the axis for the oil sealing for being loaded on the inspection desk with angle [alpha], described
Thick at least one party of the angle [alpha] based on installation site of the spring in the oil sealing and the spring is set, institute
It is the angle between 55 °~65 ° to state angle [alpha].
14. oil sealing inspection method as claimed in claim 13, it is characterised in that sent out in the light emitting step from light emitting diode
Go out the light.
15. the oil sealing inspection method as described in claim 13 or 14, it is characterised in that send green in the light emitting step
Light is as the light.
16. oil sealing inspection method as claimed in claim 15, it is characterised in that the green light is that dominant wavelength λ d are 480nm
Light between~560nm.
17. oil sealing inspection method as claimed in claim 16, it is characterised in that the green light is that dominant wavelength λ d are 500nm
Light between~540nm.
18. such as the oil sealing inspection method any one of claim 13,14,16,17, it is characterised in that described luminous
Step, the light is sent with 60 ° of angle for the axis of the oil sealing being loaded.
19. oil sealing inspection method as claimed in claim 15, it is characterised in that in the light emitting step, filled for described
The axis of the oil sealing of load sends the light with 60 ° of angle.
20. such as the oil sealing inspection method any one of claim 13,14,16,17,19, it is characterised in that in the bullet
Spring installment state judgment step, image of the binary conversion treatment based on the reflected light received in the light step, form binaryzation
View data, the installment state of the spring is judged based on the binary image data.
21. oil sealing inspection method as claimed in claim 15, it is characterised in that in the spring installment state judgment step,
Image of the binary conversion treatment based on the reflected light received in the light step, binary image data are formed, based on described two
Value view data judges the installment state of the spring.
22. oil sealing inspection method as claimed in claim 18, it is characterised in that in the spring installment state judgment step,
Image of the binary conversion treatment based on the reflected light received in the light step, binary image data are formed, based on described two
Value view data judges the installment state of the spring.
23. oil sealing inspection method as claimed in claim 20, it is characterised in that in the spring installment state judgment step,
Pass through the binary image data i.e. standard more preformed, based on the oil sealing that spring is mounted with desired position
Binary image data, and the binary image data of the formation, judge whether the spring is properly installed in described
Oil sealing.
24. the oil sealing inspection method as described in claim 21 or 22, it is characterised in that judge to walk in the spring installment state
Suddenly, by the binary image data more preformed, based on the oil sealing that spring is mounted with desired position i.e.
Standard binary image data, and the binary image data of the formation, judge the spring whether be properly installed in
The oil sealing.
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| CN201310336066.3A CN104345313B (en) | 2013-08-02 | 2013-08-02 | Oil sealing check device and inspection method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101512327A (en) * | 2006-09-13 | 2009-08-19 | 东和株式会社 | Method for inspecting mounting status of electronic component |
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| JP3601298B2 (en) * | 1998-06-05 | 2004-12-15 | Ｎｏｋ株式会社 | Defect inspection apparatus and defect inspection method |
| JP2000346814A (en) * | 1999-06-07 | 2000-12-15 | Uchiyama Mfg Corp | Device and method for inspecting lip seal |
| US7903865B2 (en) * | 2007-03-27 | 2011-03-08 | Chuang Hwa University | Automatic optical inspection system and method |
| CN101837351B (en) * | 2010-06-02 | 2012-09-19 | 天津大学 | Oil seal spring full-automatic sorting system and method based on image detection method |
| CN202649495U (en) * | 2012-05-02 | 2013-01-02 | 奇瑞汽车股份有限公司 | Automatic detecting device of camshaft oil sealing spring drop |
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| CN101512327A (en) * | 2006-09-13 | 2009-08-19 | 东和株式会社 | Method for inspecting mounting status of electronic component |
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| Title |
|---|
| 基于图像处理的油封缺陷自动检测与分类识别方法;吴彰良等;《仪器仪表学报》;20130531;第34卷(第5期);第1093-1099页 * |
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