CN104075672B - The dimensional inspection device of drum thing and the dimensional gaughing method of drum thing - Google Patents
The dimensional inspection device of drum thing and the dimensional gaughing method of drum thing Download PDFInfo
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- CN104075672B CN104075672B CN201410125965.3A CN201410125965A CN104075672B CN 104075672 B CN104075672 B CN 104075672B CN 201410125965 A CN201410125965 A CN 201410125965A CN 104075672 B CN104075672 B CN 104075672B
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Abstract
It is an object of the invention to provide the dimensional inspection device of drum thing and the dimensional gaughing method of drum thing, the short time and the inner peripheral surface size of the relatively thin and easily deformable drum thing of wall thickness can be accurately checked.The dimensional inspection device checks the inner peripheral surface size of drum thing, possesses：Measure nozzle, is inserted into the inner circumferential of the drum thing, and with the outer peripheral face relative with the inner peripheral surface of the drum thing, and air flow circuit is internally provided with, the Air blowing connected with the air flow circuit mouthful is located at the outer peripheral face；Adjuster, pressure regulation is carried out to the compressed air supplied from air voltage source；And air mass flow detection unit, detect that the Air blowing mouthful, by the air mass flow of the air after the adjuster pressure regulation, is dividually configured more than 6 by the inner peripheral surface blowout from the Air blowing mouthful to the drum thing on same circumference of the measure with nozzle periphery.
Description
Technical field
Examined the present invention relates to the dimensional inspection device of drum thing and the size for the drum thing for having used the device
Checking method.The present invention is more particularly directed to the inner peripheral surface for carrying out the relatively thin and easily deformable drum thing of wall thickness with high accuracy
The dimensional inspection device of dimensional gaughing and the dimensional gaughing method for having used the device.
Background technology
In the inner peripheral surface size with high-precision measuring drum thing, existing for example makes contact analyzer and the cylinder
The inner peripheral surface of shape thing is contacted come the method for usually used cylinder gauge that is determining the inner peripheral surface size.But, connect using this
Touch analyzer come determine be inserted in the cylinder sleeve of automobile engine cylinder-body as drum thing wall thickness be about 2~3mm this
In the case of the internal diameter of the relatively thin object of sample, when determining the shape of the drum thing may be made to change or damage the circle
The inner peripheral surface of barrel shape thing.
Therefore, in the past in high-precision and the relatively thin and easily deformable drum thing of inspection wall thickness in short time inner peripheral surface
During size, contactless air micrometer of dimension of object etc. is determined using the flow with air.Here, as wall thickness compared with
Exemplified by thin and easily deformable drum thing, act internal combustion engine cylinder sleeve, below, to for checking that the internal combustion engine used is used in the past
The dimensional inspection device of the inner peripheral surface size of cylinder sleeve and illustrated using the dimensional gaughing method of the device.
Fig. 3 is dimensional inspection device for illustrating the drum thing of an existing embodiment and has used the device
The skeleton diagram of the dimensional gaughing method of drum thing.Fig. 3 represents particularly using internal combustion engine cylinder sleeve as check object
Drum thing 20 in the case of the dimensional inspection device that used in the past.Dimensional inspection device 50 shown in Fig. 3 is will be from sky
Potential source（It is not shown）The air of supply is via adjuster（It is not shown）The construction of measure nozzle 51 is supplied to, according to by located at this
The air flow value that flowmeter 59 between adjuster and the measure nozzle 51 is detected, check that as check object
The inner peripheral surface size of internal combustion engine cylinder sleeve 20.In addition, Fig. 3（a）It is cuing open along the gained of line B-B cutting measure nozzle 51 in Fig. 3
View.Such as Fig. 3（a）It is shown, in existing dimensional inspection device 50, located at the Air blowing mouthful 52 of measure nozzle 51（Figure
In represented by stain）Located at the position for along the circumferential direction separating 180 ° centered on the axle of nozzle 51 by measure.
The dimensional gaughing method of the inner peripheral surface of the drum thing of existing dimensional inspection device 50 shown in Fig. 3 is used
In, in inner peripheral surface size of the inspection internal combustion engine with cylinder sleeve 20, the measure nozzle 51 of cylindrical shape is inserted in this first
The inner circumferential of internal combustion engine cylinder sleeve 20.The measure is configured with Air blowing mouthful 52 with nozzle 51 in its both sides, by the Air blowing
Mouth 52 configures two on the same circumference of the periphery of measure nozzle 51 and matched somebody with somebody on the length direction of the measure nozzle 51
Put 3 grades.In the past, the measure nozzle 51 of cylindrical shape as shown in Figure 3 had been inserted in the internal combustion engine cylinder sleeve 20
After inner circumferential, blown out from the Air blowing mouthful 52 for the both sides for being configured at the measure nozzle 51 by the air after adjuster pressure regulation,
And air flow value now is detected by flowmeter 59.Here, using feelings of the flowmeter 59 as air mass flow detection unit
Under condition, with the measure with the gap value between nozzle 51 and internal combustion engine cylinder sleeve 20 change it is associated, from the measure spray
The change of height and position that the change for the air mass flow that mouth 51 is blown out is floated by buoy is represented, thus allows for air mass flow
The detection of value.
Moreover, using the size of the drum thing inner peripheral surface of the existing dimensional inspection device 50 shown in Fig. 3 to examine
In checking method, to possessing the internal diameter size suitable with the tolerance limit value of the internal diameter size of the prespecified drum thing
The drum master ring of inner peripheral surface（It is not shown）Insert measure nozzle 51, and the sky that will be represented in flowmeter 59 now
Air flow value is set to a reference value of tolerance limit.In addition, to possessing and the internal diameter size of the prespecified drum thing
The drum master ring of the inner peripheral surface of the suitable internal diameter size of lower variation of tolerance value（It is not shown）Measure nozzle 51 is inserted, and
The air flow value represented in flowmeter 59 now is set to a reference value of lower variation of tolerance.Then, in existing drum
In the dimensional gaughing method of thing, measure nozzle 51 is inserted with the inner circumferential of cylinder sleeve 20 to the internal combustion engine as check object, by this
When flowmeter 59 in a reference value of the air flow value that represents with being set by drum master ring be compared, if in base
It is qualified to be then determined as in the range of quasi- value, is determined as if a reference value scope is deviateed unqualified.
The content of the invention
But, internal combustion engine requires higher precision with the dimensional gaughing of the inner peripheral surface of cylinder sleeve 20, therefore, in existing size
Check device 50 and use in the dimensional gaughing method of the device, on complete cycle of the internal combustion engine with the inner peripheral surface of cylinder sleeve 20,
, it is necessary to make be installed on measure nozzle as the internal combustion engine cylinder sleeve 20 of check object when confirming as size in the margin of tolerance
The change of air mass flow is rotated and confirmed in the state of 51 periphery.Particularly as existing dimensional inspection device 50,
It is configured at using by Air blowing mouthfuls 52 in the case that measure carries out dimensional gaughing with the device of the both sides of nozzle 51, it is assumed that internal combustion
The section deformation ovalisation shape of machine cylinder sleeve 20 and there is a situation where major diameter and minor axis etc., it is necessary to as far as possible obtain internal combustion engine use
The air flow value of the complete cycle of the inner peripheral surface of cylinder sleeve 20, calculate obtained by air flow value average value, and determine whether it is qualified.
So, the relatively thin and easily deformable drum thing of wall thickness is being carried out with high accuracy（Internal combustion engine cylinder sleeve etc.）
During the dimensional gaughing of 20 inner peripheral surfaces, existing dimensional inspection device 50 and the dimensional gaughing method for having used the device are being utilized
In the case of, it is necessary to make the cylindrical shape thing 20 be installed on the periphery of measure nozzle 51 each predetermined angular of state rotate,
And cause the increase of inspection operation number.In addition, making the cylindrical shape thing 20 be installed on the state of the periphery of measure nozzle 51
During rotation, it is difficult to which rotation at a certain angle on one side is while be measured, and therefore, generation can not carry out the cylindrical shape with high accuracy
The problem of dimensional gaughing of the inner peripheral surface of thing 20.In addition, being revolved after the cylindrical shape thing 20 is installed on the periphery of measure nozzle 51
When turning, the problems such as producing the inner peripheral surface for damaging the cylindrical shape thing 20.
Made currently invention addresses this existing issue, its object is to there is provided the short time and can accurately examine
Look into the dimensional inspection device of the inner peripheral surface size of the relatively thin and easily deformable drum thing of wall thickness and use the chi of the device
Very little inspection method.
Therefore, the present inventor etc. has carried out wholwe-hearted research, as a result, using air micrometer in dimensional inspection device
Meter, and by the Air blowing mouthful of the measure nozzle possessed located at dimensional inspection device in the same of the measure nozzle periphery
Predetermined number, the problem of thus solving above-mentioned are dividually configured on circumference.Hereinafter, the present invention will be described.
The present invention provides a kind of dimensional inspection device of drum thing：The dimensional gaughing dress of the drum thing of the present invention
The inner peripheral surface size for checking drum thing is put, the dimensional inspection device of the drum thing is characterised by, size inspection
Device is looked into possess：Measure nozzle, is inserted into the inner circumferential of the drum thing, and with the inner circumferential with the drum thing
The relative outer peripheral face in face, and air flow circuit is internally provided with, the Air blowing connected with the air flow circuit mouthful is outer located at this
Side face；Adjuster, pressure regulation is carried out to the compressed air supplied from air voltage source；And air mass flow detection unit, detect from the air
Blow-off outlet is to the inner peripheral surface blowout of the drum thing by the air mass flow of the air after the adjuster pressure regulation, the Air blowing mouthful
More than 6 are dividually configured on same circumference of the measure with nozzle periphery.
In addition, in the dimensional inspection device of the drum thing of the present invention, being preferably, described in the Air blowing opening's edge
The length direction configuration of measure nozzle is multistage.
In addition, in the dimensional inspection device of the drum thing of the present invention, being preferably, the measure nozzle is outside it
Groove portion is formed on the same circumference in week, in the bottom surface of the groove portion provided with the Air blowing mouthful and for making to blow out into the groove portion
Air effusion air outlet, mouthful Air blowing nozzle is installed in the Air blowing, the Air blowing has with nozzle
There is the size prominent not out of this groove portion.
In addition, in the dimensional inspection device of the drum thing of the present invention, being preferably, the measure nozzle is before it
End is in order that the insertion of the drum thing of check object easily possesses with the side inserted towards the drum thing
And the guide part of the truncated cone shape of undergauge.
In addition, in the dimensional inspection device of the drum thing of the present invention, being preferably, the guide part is by resin material
Or soft metal is constituted.
The present invention provides a kind of dimensional gaughing method of drum thing：The dimensional gaughing side of the drum thing of the present invention
Method has used the dimensional inspection device of above-mentioned drum thing, and the feature of the dimensional gaughing method of the drum thing exists
In in the dimensional gaughing method of the drum thing, will be provided with the tolerance limit value phase with the internal diameter size of the drum thing
When internal diameter size inner peripheral surface tolerance limit value drum master ring install be configured at the measure nozzle
Periphery, ring is proofreaded by air mass flow detection unit detection to the tolerance limit value from the Air blowing mouthful with drum
The inner peripheral surface of rule blows out the air flow value during air after pressure regulation, obtains in the tolerance with the internal diameter size of the drum thing
The corresponding air flow value of limit value, and will be provided with the internal diameter chi suitable with the lower variation of tolerance value of the internal diameter size of the drum thing
The lower variation of tolerance value drum master ring of very little inner peripheral surface installs the periphery for being configured at the measure nozzle, by the sky
The detection of air-flow amount detection unit is blown out from the Air blowing mouthful to the lower variation of tolerance value with the inner peripheral surface of drum master ring
Air flow value during air after pressure regulation, obtains air corresponding with the lower variation of tolerance value of the internal diameter size of the drum thing
Flow value, then, the drum thing of check object is installed the periphery for being configured at the measure nozzle, examined by the air mass flow
Survey unit detection from the Air blowing mouthful the air after pressure regulation is blown out to the inner peripheral surface of the drum thing when air flow value,
And whether the air flow value of judgement now is in the tolerance limit value and lower variation of tolerance with the internal diameter size of the drum thing
It is worth in the range of corresponding air flow value.
According to the dimensional inspection device of the present invention and the dimensional gaughing method of the device is used, even if not making check object
Drum thing rotated in the state of measure nozzle periphery is installed on, also can in high precision and keep high reproducibility examine
Look into the inner peripheral surface size of the drum thing.In addition, according to the dimensional inspection device of the present invention and having used the size of the device
Inspection method, the short time and can check the inner peripheral surface of the drum thing as check object in which not damage the drum thing
Size.
Brief description of the drawings
Fig. 1 is dimensional inspection device for illustrating the drum thing of one embodiment of the present invention and has used the dress
The skeleton diagram of the dimensional gaughing method for the drum thing put.
Fig. 2 is the figure for illustrating the measure nozzle shown in Fig. 1.
Fig. 3 is dimensional inspection device for illustrating the drum thing of an existing embodiment and has used the device
Drum thing dimensional gaughing method skeleton diagram.
Description of reference numerals
The dimensional inspection device of 1 drum thing
2 measure nozzles
3 Air blowings mouthful
4 air outlets
5 groove portions
6 guide parts
7 retainers
8 bases
9 support columns
10 connectors
Embodiment
Hereinafter, be indicated using accompanying drawing and be described in more detail the present invention drum thing dimensional inspection device and
The preferred embodiment of the dimensional gaughing method of the drum thing of the device is used.
Fig. 1 is dimensional inspection device for illustrating the drum thing of one embodiment of the present invention and has used the dress
The skeleton diagram of the dimensional gaughing method for the drum thing put.In addition, Fig. 2 is for illustrating the measure nozzle shown in Fig. 1
Figure.
The dimensional inspection device of the drum thing of the present invention：The dimensional inspection device 1 of the drum thing of the present invention is examined
Look into the inner peripheral surface size of drum thing 20.In addition, the dimensional inspection device 1 of the drum thing of the present invention possesses：Determine and use
Nozzle 2, is inserted into the inner circumferential of the drum thing 20, and with the periphery relative with the inner peripheral surface of the drum thing 20
Face, and air flow circuit is internally provided with, the Air blowing connected with the air flow circuit mouthful 3 is located at the outer peripheral face；Adjuster
（It is not shown）, to from air voltage source（It is not shown）The compressed air of supply carries out pressure regulation；And air mass flow detection unit 12, detection from
Air blowing mouthful 3 blows out the air mass flow by the air after the adjuster pressure regulation to the inner peripheral surface of the drum thing 20.And
And, the dimensional inspection device 1 of drum thing of the invention is characterised by, Air blowing mouthful 3 is in the measure with outside nozzle 2
More than 6 are dividually configured on the same circumference in week.
So, the dimensional inspection device 1 of drum thing of the invention is by measure nozzle 2, adjuster and air
Flow detection unit is constituted, so as to check the size of the inner peripheral surface of drum thing 20.Here, as shown in Figures 1 and 2, should
Measure is fixed on nozzle 2 in the length direction mode parallel with the bottom surface of base 8 generally perpendicularly to be erected and is fixed with base 8
Pillar 9 a side.In addition, the measure with nozzle 2, with the pillar 9 fix side end be provided for into
The retainer 7 positioned for the drum thing 20 of check object.The dimensional inspection device 1 of the drum thing of the present invention is led to
Cross and abutted to the drum thing 20 for being the peripherally inserted check object of the measure nozzle 2 until with the retainer 7, can be all the time
The dimensional gaughing of the inner peripheral surface of the drum thing 20 is carried out in same position, thereby, it is possible to carry out the inspection for keeping high reproducibility
Look into.
In addition, in Fig. 1, flowmeter is shown as air mass flow detection unit 12.The chi of the drum thing of the present invention
Very little check device 1, which possesses, is supplied to the air supplied from air voltage source via the adjuster that the air is adjusted to certain pressure
The construction with nozzle 2 is determined, the air after pressure regulation is blown out pressure regulation to outside by the inside of measure nozzle 2.Now, energy
It is enough to be detected using located at the flowmeter 12 between the adjuster and the measure nozzle 2 according to the measure nozzle 2 with being installed on
Gap value between the drum thing 20 of the check object of the periphery of measure nozzle 2 and the air mass flow changed, and be based on
The air flow value detected checks the size of the inner peripheral surface of drum thing 20 as check object.In addition, later
In, the dimensional gaughing method of the drum thing of the dimensional inspection device 1 of the drum thing to having used the present invention is carried out in detail
Thin narration.
In Fig. 1, show that air supplies road 11 between flowmeter 12 and pillar 9.The air supply road 11 by with example
Connector 10 as shown in Figure 2 is connected, and is connected to what is communicated with each Air blowing mouthful 3 located at the measure nozzle 2
Air flow circuit.Here, air after the pressure regulation supplied from air voltage source via adjuster to the measure with nozzle 2 via with each air
Blow-off outlet 3 respectively corresponding flowmeter 12 and be transported to the measure nozzle 2, so as to be determined to become as check object
The position for the reason for size of the inner peripheral surface of drum thing 20 is bad.
Fig. 1（a）It is the sectional view along the gained of line A-A cutting measure nozzle 2 in Fig. 1.Fig. 1（a）Represent, in the present invention
Drum thing dimensional inspection device 1 in, located at the Air blowing mouthfuls 3 of measure nozzle 2（Represented in figure by stain）
The measure dividually configures 6 with the same circumference of the periphery of nozzle.So, the size of drum thing of the invention
Check device 1 by by measure nozzle 2 be formed as it is cylindric and on the same circumference of the periphery of measure nozzle 2 dividually
The Air blowing mouthful 3 that setting is more than 6, even if not making the drum thing 20 of check object be installed on the measure nozzle
Rotated under state while checked, also the short time and can accurately check the inner peripheral surface chi of the drum thing 20
It is very little.
Here, located at the present invention measure with the Air blowing mouthfuls 3 of nozzle 2 the periphery of measure nozzle 2 same circle
Equally spaced be arranged on week more than 6 be preferred.Fig. 1（a）Represent, in the dimensional gaughing dress of the drum thing of the present invention
Put in 1, along the circumferential direction separated centered on the axle of nozzle 2 located at by the measure with the Air blowing mouthful 3 of nozzle 2 located at measure
60 ° of position.So, the dimensional inspection device 1 of drum thing of the invention passes through located at sky of the measure with nozzle 2
Air-blowing outlet 3 is equally spaced arranged more than 6 in the measure with the same circumference of the periphery of nozzle 2, even if not making inspection
The drum thing 20 of object is rotated in the state of the measure is installed on nozzle 2 while checked, also can be short
Time and the inner peripheral surface size for more precisely checking the drum thing 20.
In addition, located at the present invention measure with the Air blowing mouthfuls 3 of nozzle 2 the periphery of measure nozzle 2 same circle
It is configured on week centered on the axle of the measure nozzle 2 and the position of point symmetry is preferred.Fig. 1（a）Represent, the present invention's
In the dimensional inspection device 1 of drum thing, the Air blowing mouthfuls 3 located at measure nozzle 2 with two is to be configured at this pair
Measure is with the same circumference of the periphery of nozzle 2 and on the same straight line by the axle of measure nozzle 2.The circle of the present invention
In the dimensional inspection device 1 of barrel shape thing, from being easily formed the air flow circuit and the viewpoint of manufacturing that lead to the Air blowing mouthfuls 3
From the point of view of, Air blowing mouthful 3 is configured at the axle of the measure nozzle 2 on the same circumference of the periphery of measure nozzle 2
Centered on and the position of point symmetry and total to set 6 or 8 be preferred.If in addition, in view of being supplied for defined air
Measure the Air blowing mouthfuls 3 quantity add in the case of, the high precision int of machining shape associated with the microminiaturization in aperture
And the increase of processing cost, then located at the present invention measure with the Air blowing mouthfuls 3 of nozzle 2 in the periphery of measure nozzle 2
Same 6 provided circumferentially about more preferably.
In addition, in the dimensional inspection device 1 of the drum thing of the present invention, same with the periphery of nozzle 2 located at measure
In the case that Air blowing on circumference mouthful 3 is less than 6, if not making the drum thing 20 of check object be installed on the measure
With being rotated in the state of nozzle while checked, then the inner peripheral surface chi of the drum thing 20 can not be accurately checked
It is very little.Therefore, in this case, it is impossible to carry out the size of the inner peripheral surface of the drum thing 20 as check object in a short time
Check, and the risk of the inner peripheral surface of the drum thing 20 is damaged in Inspection and increase, so it is not preferred.Incidentally,
In the present invention described high-precision dimensional gaughing by 80mm~200mm or so of internal diameter, thickness of slab be 0.3mm~25mm or so,
It is required that dimensional accuracy（Tolerance）On the basis of inspection precision for 10 μm~50 μm or so of internal combustion engine cylinder sleeve.
In addition, in the dimensional inspection device 1 of the drum thing of the present invention, Air blowing mouthful 3 uses the length of nozzle 2 along determining
It is preferred to spend direction configuration multistage.
Fig. 1 and Fig. 2 are represented, in the dimensional inspection device 1 of the drum thing of the present invention, and the edge of Air blowing mouthful 3 is determined
3 grades are configured with the length direction of nozzle 2（Both ends are nearby and near pars intermedia）.The dimensional gaughing of the drum thing of the present invention
Device 1 on measure nozzle 2 with this configuration by possessing Air blowing mouthful 3, even if making the cylindrical shape as check object
Shape thing 20 is not moved after the measure is installed on nozzle 2 along the measure with the length direction of nozzle 2, also can the short time and
Accurately check the size of the substantially whole region of the inner peripheral surface of drum thing 20.If in addition, in view of for defined
The quantity of air quantity delivered Air blowing mouthful 3 add in the case of, associated with the microminiaturization in aperture machining shape
The increase of high precision int and processing cost, then spray located at the measure of the invention Air blowing mouthful 3 of nozzle 2 along the measure
The length direction of mouth 2 configures 2~5 grades more preferably.
In addition, in the dimensional inspection device 1 of the drum thing of the present invention, being preferably, measure is with nozzle 2 in its periphery
Groove portion 5 is formed on same circumference, provided with Air blowing mouthful 3 and for making what is blown out into the groove portion on the bottom surface of the groove portion 5
The air outlet 4 of air effusion, is mounted with that the air with the size prominent not out of this groove portion blows in Air blowing mouthful 3
Go out to use nozzle（It is not shown）.
As shown in Figures 1 and 2, in the measure nozzle 2 of the present invention, exist in the allocation position for containing Air blowing mouthful 3
Groove portion 5 is formed with the same circumference of interior periphery.The measure of the present invention is in such shape with nozzle 2, so as to be blown from air
The air of the blowout of outlet 3 spreads all over the whole region of groove portion 5, even in the office of the inner peripheral surface of drum thing 20 as check object
Portion has micro-strain, can also be detected exactly, can more precisely check the inner peripheral surface of the drum thing 20
Size.
Used in addition, the bottom surface for the groove portion 5 that the measure nozzle 2 of the present invention is formed on the same circumference of its periphery is set
In the air outlet 4 for the air effusion for making to blow out into the groove portion, so as to prevent the air from the blowout of Air blowing mouthful 3
It is stranded in the reduction for making the excessive pressure in the groove portion 5 rise caused air mass flow accuracy of detection in the groove portion 5.Separately
Outside, for the air outlet 4, it can suitably set and Air blowing amount from Air blowing mouthful 3 etc. is taken into account and set
The quantity put, internal diameter, and the equally spaced spread configuration on same circumference of the measure with the periphery of nozzle 2, thereby, it is possible to high-precision
Spend and carry out with keeping high reproducibility the dimensional gaughing of the inner peripheral surface of the drum thing 20 as check object.
Have not in addition, the measure of the present invention is installed with nozzle 2 by the Air blowing mouthful 3 in the bottom surface located at groove portion 5
The Air blowing nozzle of prominent size out of this groove portion 5, can be eliminated from the air capacity of the blowout of each Air blowing mouthful 3 not
It is even, and effectively suppress the air turbulence near Air blowing mouthful 3.That is, the dimensional gaughing of drum thing of the invention
Device 1 by installing Air blowing nozzle with the Air blowing mouthfuls 3 of nozzle 2 in measure, can higher precision and keep it is high again
Carry out to existing property the dimensional gaughing of the inner peripheral surface of the drum thing 20 as check object.
Incidentally, as shown in Fig. 2 the measure nozzle 2 of the present invention can also make the groove portion 5 and groove of measure nozzle 2
Regional area between portion 5 is recessed and realizes lightweight.For example, the measure nozzle 2 of the present invention is by being set to as shown in Figure 2
Shape, artificial carry become easy and operational excellent.
In addition, in the dimensional inspection device 1 of the drum thing of the present invention, being preferably, in order that the cylinder of check object
Easily, measure nozzle 2 possesses in its leading section with the side inserted towards the drum thing 20 for the insertion of shape thing 20
And the guide part 6 of the truncated cone shape of undergauge.
The dimensional inspection device 1 of the drum thing of the present invention in the leading section of measure nozzle 2 by possessing with court
To check object drum thing 20 insert side and undergauge truncated cone shape guide part 6, make the measure nozzle 2
Become easy to the insertion of the drum thing 20.Therefore, the dimensional inspection device 1 of drum thing of the invention is by surveying
Fixed possess the guide part 6 with the leading section of nozzle 2, can promptly carry out drum thing 20 as check object to the survey
Surely the installation of nozzle 2 is used, and efficiently reduces inspection operation number.
In addition, in the dimensional inspection device 1 of the drum thing of the present invention, guide part 6 is by resin material or soft metal
It is configured to preferred.
The measure nozzle 2 of the present invention possesses in its leading section with the insertion of drum thing 20 towards check object
Side and in the case of the guide part 6 of the truncated cone shape of undergauge, by the way that the guide part 6 is set into resin-made or soft metal
System, can effectively suppress the drum thing 20 in the drum thing 20 of installation check object and be damaged.Particularly at this
Drum thing 20 by the drum thing 20 by the case that material is constituted than the measure with the soft material of nozzle 2, installing
The drum thing 20 1 side is easy to impaired when the measure is with nozzle 2, therefore, possesses in the leading section of the measure nozzle 2
The guide part 6 being made up of resin-made or soft metal system is preferred.In addition, the resin used in the guide part 6 is not particularly limited,
Such as nylon, expoxy glass resin, MC nylon can be used（Registration mark）、POM（（DURACON）（Registration mark）Etc. poly- first
Aldehyde）, HD polyethylene, fluororesin, PEEK resins, PPS resin, ABS resin, PBT resin etc..In addition, as used in the guide part 6
Soft metal, copper, copper alloy, lead, metal, tin, tin alloy, aluminium, aluminium alloy etc. can be used.
Incidentally, guide part 6 of the invention can also be set to detachably be installed on measure spray using bolt etc.
The structure of the leading section of mouth 2, it is assumed that the guide part 6 can be replaced with new product in the case of there occurs abrasion.Therefore, by using
The dimensional inspection device 1 of the drum thing of the present invention, high-precision inspection can be carried out long-term and stably.
The dimensional gaughing method of the drum thing of the present invention：The dimensional gaughing method of the drum thing of the present invention is to make
With the dimensional gaughing method of the drum thing of the dimensional inspection device 1 of above-mentioned drum thing.Moreover, the drum thing
Dimensional gaughing method in, will be provided with the inner peripheral surface of the internal diameter size suitable with the tolerance limit value of the size of the drum thing
Tolerance limit value drum master ring（It is not shown）The periphery for being configured at measure nozzle 2 is installed, by air mass flow
Detection unit 12 is detected after the inner peripheral surface blowout pressure regulation of 3 pairs of tolerance limit value drum master rings of Air blowing mouthful
Air when air flow value, obtain corresponding with the tolerance limit value of the internal diameter size of drum thing air mass flow
Value.In addition, will be provided with the public affairs of the inner peripheral surface of the internal diameter size suitable with the lower variation of tolerance value of the internal diameter size of the drum thing
Poor lower limit drum master ring（It is not shown）The periphery for being configured at the measure nozzle is installed, detected by air mass flow
Unit 12 is detected after the inner peripheral surface blowout pressure regulation of 3 pairs of lower variation of tolerance value drum master rings of the Air blowing mouthful
Air flow value during air, obtains air flow value corresponding with the lower variation of tolerance value of the internal diameter size of the drum thing.
Then, the dimensional gaughing method of the drum thing is characterised by, the drum thing 20 of check object is installed and is configured at
The periphery of measure nozzle 2, is detected from 3 pairs of drum things 20 of the Air blowing mouthful by the air mass flow detection unit 12
Inner peripheral surface blowout pressure regulation after air when air flow value, and judge whether air flow value now is in and the cylinder
In the range of the tolerance limit value and the corresponding air flow value of lower variation of tolerance value of the internal diameter size of shape thing.
Check object is used as to check to the dimensional inspection device 1 of the drum thing using the present invention using Fig. 1 and Fig. 2
The method of inner peripheral surface size of drum thing 20 illustrate.Fig. 1 and Fig. 2 are represented particularly using internal combustion engine cylinder sleeve
Dimensional inspection device used in the case of the 20 drum thing as check object.The chi of drum thing shown in Fig. 1
Very little check device 1 is will be from air voltage source（It is not shown）The air of supply is via adjuster（It is not shown）It is supplied to measure nozzle 2
Construction, the air that can be detected by the air mass flow detection unit 12 between the adjuster and the measure nozzle 2
Flow value checks the inner peripheral surface size of the cylinder sleeve 20 of the internal combustion engine as check object.
In the dimensional gaughing method of dimensional inspection device 1 for having used drum thing of the invention shown in Fig. 1, in inspection
When looking into the inner peripheral surface size of internal combustion engine cylinder sleeve 20, the measure nozzle 2 of cylindrical shape is inserted in the internal combustion engine first and used
The inner circumferential of cylinder sleeve 20.Now, the internal combustion engine cylinder sleeve 20 for being inserted in the measure nozzle 2 is entered using retainer 7 when mounted
Row positioning.Moreover, on outer peripheral face of the measure with nozzle 2, object is being turned into centered on axle of the measure with nozzle 2
Position is configured with Air blowing mouthfuls 3, the total blowout of 18 Air blowings mouthful 3 possessed from the outer peripheral face of measure nozzle 2 by
Air after adjuster pressure regulation, and air flow value now is detected by flowmeter 12.
Here, in the case where using flowmeter 12 as air mass flow detection unit, and the measure is with nozzle 2 and this is interior
The change for changing air mass flow that is associated, being blown out from the measure nozzle 2 of gap value between combustion engine cylinder sleeve 20 is by floating
Put on the change of floating height and position to represent, thus allow for the detection of air flow value.Incidentally, the measure is sprayed
The outer peripheral face of mouth 2 and the internal combustion engine are bigger with the gap value between the inner peripheral surface of cylinder sleeve 20, then by air mass flow detection unit 12
The air mass flow detected is also bigger.
Moreover, in the dimensional gaughing method of the drum thing of the present invention, to the internal diameter chi possessed with the drum thing
The tolerance limit value of the inner peripheral surface of the suitable internal diameter size of very little tolerance limit value is determined with the insertion of drum master ring and used
Nozzle 2, and using the air flow value now detected by flowmeter 12 as tolerance limit a reference value.In addition, the present invention
In the dimensional gaughing method of drum thing, to possessing in suitable with the lower variation of tolerance value of the internal diameter size of the drum thing
The lower variation of tolerance value of the inner peripheral surface of footpath size inserts measure nozzle 2 with drum master ring, and by now by flow
The air flow value for counting 12 detections is used as a reference value of lower variation of tolerance.
Then, in the dimensional gaughing method of drum thing of the invention, to the internal combustion engine cylinder sleeve as check object
20 inner circumferential insertion measure nozzle 2, and by the air flow value represented by flowmeter 12 now and by above-mentioned cylindrical shape
The a reference value of shape master ring setting is compared, and it is qualified to be determined as if in the range of a reference value, if deviateing a reference value scope
Then it is determined as unqualified.
So, it is empty with the supply compression of nozzle 2 to measure in the dimensional gaughing method of drum thing of the invention
Gas, the inner circumferential of outer peripheral face and the drum thing 20 as check object based on the compressed air according to the measure with nozzle 2
Gap length between face and the air mass flow that changes is qualified to determine whether.Therefore, according to the drum thing of the present invention
Dimensional gaughing method, even if not for example being the personnel of skilled operation, also can in high precision and with keeping high reproducibility be checked,
And can also be carried out with short time than ever accurately whether qualified judgement.
Industrial applicibility
According to the dimensional inspection device of the drum thing of the present invention, by same circumference of the measure with nozzle periphery
Dividually configure more than 6 Air blowing mouth, can disposably detect the inner circumferential of the drum thing as check object
The air mass flow of face complete cycle, therefore, it is possible to the dimensional gaughing of inner peripheral surface that is high-precision and carrying out the drum thing in short time.
In addition, according to used the present invention drum thing dimensional inspection device drum thing dimensional gaughing method, i.e.,
Make be not skilled operation personnel, can also carry out in a short time accurately whether qualified judgement, therefore, it is possible to produce
The form of all inspections on line carries out the dimensional gaughing of the inner peripheral surface of drum thing.In addition, according to the cylindrical shape of the present invention
The dimensional inspection device of shape thing and used the device drum thing dimensional gaughing method, can be applied to require high-precision
The dimensional gaughing of the inner peripheral surface of the dimensional gaughing of degree and the relatively thin and easily deformable internal combustion engine cylinder sleeve of wall thickness.
Claims (5)
1. a kind of dimensional inspection device of drum thing, checks the inner peripheral surface size of drum thing, the drum thing
Dimensional inspection device be characterised by,
The dimensional inspection device possesses：
Measure nozzle, is inserted into the inner circumferential of the drum thing, and with relative with the inner peripheral surface of the drum thing
Outer peripheral face, and air flow circuit is internally provided with, by Air blowing connect with the air flow circuit mouthful located at the outer peripheral face；
Adjuster, pressure regulation is carried out to the compressed air supplied from air voltage source；And
Air mass flow detection unit, detects that the inner peripheral surface blowout from the Air blowing mouthful to the drum thing is adjusted by the adjuster
The air mass flow of air after pressure,
The Air blowing mouthful dividually configures more than 6 on same circumference of the measure with nozzle periphery,
The measure forms groove portion with nozzle on the same circumference of its periphery, and the Air blowing is provided with the bottom surface of the groove portion
Mouthful and for make to blow out into the groove portion air effusion air outlet,
Air blowing nozzle is installed in the Air blowing mouthful, Air blowing nozzle has prominent not out of this groove portion
Size.
2. the dimensional inspection device of drum thing according to claim 1, wherein,
The length direction configuration of measure nozzle described in the Air blowing opening's edge is multistage.
3. the dimensional inspection device of drum thing according to claim 1 or 2, wherein,
The measure nozzle is in its leading section in order that the insertion of the drum thing of check object easily possesses with court
To the drum thing insert side and undergauge truncated cone shape guide part.
4. the dimensional inspection device of drum thing according to claim 3, wherein,
The guide part is made up of resin material or soft metal.
5. a kind of dimensional gaughing method of drum thing, has used the drum thing any one of Claims 1-4
Dimensional inspection device, the dimensional gaughing method of the drum thing is characterised by,
In the dimensional gaughing method of the drum thing, the tolerance limit value phase with the internal diameter size of the drum thing will be provided with
When internal diameter size inner peripheral surface tolerance limit value drum master ring install be configured at the measure nozzle
Periphery, ring is proofreaded by air mass flow detection unit detection to the tolerance limit value from the Air blowing mouthful with drum
The inner peripheral surface of rule blows out the air flow value during air after pressure regulation, obtains in the tolerance with the internal diameter size of the drum thing
The corresponding air flow value of limit value,
Under the tolerance for the inner peripheral surface that will be provided with the internal diameter size suitable with the lower variation of tolerance value of the internal diameter size of the drum thing
Limit value drum master ring, which is installed, is configured at the periphery of the measure nozzle, by air mass flow detection unit detection from
The Air blowing mouthful blows out the air during air after pressure regulation to the lower variation of tolerance value with the inner peripheral surface of drum master ring
Flow value, obtains air flow value corresponding with the lower variation of tolerance value of the internal diameter size of the drum thing,
Then, the drum thing of check object is installed to the periphery for being configured at the measure nozzle, detected by the air mass flow
Unit detection from the Air blowing mouthful the air after pressure regulation is blown out to the inner peripheral surface of the drum thing when air flow value, and
Judge air flow value now whether in the tolerance limit value and lower variation of tolerance value with the internal diameter size of the drum thing
In the range of corresponding air flow value.
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| JP2013-072471 | 2013-03-29 | ||
| JP2013072471A JP6211284B2 (en) | 2013-03-29 | 2013-03-29 | Dimensional inspection apparatus for cylindrical object and cylindrical dimension inspection method using the same |
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| JP7022427B2 (en) * | 2018-05-18 | 2022-02-18 | 大森機械工業株式会社 | Sealing device |
| CN110514155A (en) * | 2019-08-30 | 2019-11-29 | 中国航发动力股份有限公司 | A method of for measuring the measuring device of high-precision shallow bore hole diameter and measuring shallow bore hole using it |
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| JPH0311691Y2 (en) * | 1985-04-11 | 1991-03-20 | ||
| JP3070013B2 (en) * | 1994-12-15 | 2000-07-24 | 株式会社東京精密 | Inside diameter measuring jet for air micrometer |
| JP2001165641A (en) * | 1999-12-09 | 2001-06-22 | Tokyo Seimitsu Co Ltd | Air micrometer |
| JP2004117075A (en) * | 2002-09-25 | 2004-04-15 | Suzuki Motor Corp | Inner surface inspection device |
| JP2006102565A (en) * | 2004-09-30 | 2006-04-20 | Dainippon Printing Co Ltd | Gap dimension measurement method, measurement device and die head |
| CN1755324A (en) * | 2004-09-30 | 2006-04-05 | 洛阳轴承集团有限公司 | Pneumatic instrument for measuring inside diameter of thin-wall bearing |
| JP2010071701A (en) * | 2008-09-17 | 2010-04-02 | Nidec Tosok Corp | Air micro system |
| JP5276070B2 (en) * | 2010-09-13 | 2013-08-28 | 東海挾範株式会社 | Air micrometer |
| JP5323902B2 (en) * | 2011-08-29 | 2013-10-23 | 株式会社日進製作所 | Air micrometer measuring head and manufacturing method thereof |
| CN202547614U (en) * | 2012-05-10 | 2012-11-21 | 上海云飞工贸发展有限公司 | Mean bore diameter measuring instrument of compressor cylinder body |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN201575801U (en) * | 2009-10-26 | 2010-09-08 | 三门峡中原量仪股份有限公司 | Pneumatic comprehensive detection device for connecting rods |
| CN201697616U (en) * | 2010-06-12 | 2011-01-05 | 西安昆仑汽车电子有限公司 | Pneumatic measuring device of measuring size of oil pump shell of electronic fuel injection system |
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| JP6211284B2 (en) | 2017-10-11 |
| JP2014196944A (en) | 2014-10-16 |
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Inventor after: National joy Inventor after: Sasaki Masahiro Inventor before: YOSHITAKA KOKUBUN Inventor before: Sasaki Masahiro |