CN206378111U - A kind of adaptive pneumatic combination detection device of endoporus cylindricity of hole shape - Google Patents
A kind of adaptive pneumatic combination detection device of endoporus cylindricity of hole shape Download PDFInfo
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- CN206378111U CN206378111U CN201720028512.8U CN201720028512U CN206378111U CN 206378111 U CN206378111 U CN 206378111U CN 201720028512 U CN201720028512 U CN 201720028512U CN 206378111 U CN206378111 U CN 206378111U
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- gauge
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Abstract
The utility model discloses a kind of adaptive pneumatic combination detection device of endoporus cylindricity of hole shape.Including pneumatic gauging component and its supporting control gauge, four groups of taper air-blast atomizers and four linearity air-blast atomizers are provided with Pneumatic measuring head.Combined type PCU disclosed in the utility model, available for various endoporus holes shape is effectively differentiated, applicable working condition scope is wide, and the Site Detection of workpiece can be achieved, measurement efficiency is increased substantially.
Description
Technical field
The utility model relate to a kind of endoporus precise detection device, especially for the Site Detection of precision-fit endoporus
A kind of adaptive pneumatic combination detection device of endoporus cylindricity of hole shape.
Background technology
The machining accuracy of precision-fit endoporus is the key factor for determining some parts performances.Endoporus deviation from cylindrical form is
Ensure the important performance indexes of fit precision.Deviation from cylindrical form requirement of the designer to precision-fit hole often only has several micro-
Rice, and endoporus mostly elongated shape, therefore the detection of endoporus cylindricity becomes further difficult.
At present, detection of the in the market to product endoporus cylindricity mainly has traditional, pneumatic amount instrument detection method, roundness measuring equipment method, three
Coordinate measuring machine method.Traditional pneumatic detection is by detecting some single form error, such as linearity or taper of endoporus
For substituting cylindricity, it is clear that this measuring method is difficult in adapt to different hole shapes, and its evaluation result and true deviation from cylindrical form are very
Greatly, it is difficult to meet measurement request.In addition, this method replaces cylindricity by single form error, generation few comprising endoporus information
Table is poor.
Liu Huijian etc. is in a kind of patent " comprehensive detection device and method of testing of steering rack accuracy value
(201610025563.5) in ", with the diameter extreme difference of surveyed slender rod piece, bounce extreme difference and linearity numerical computations cylinder
Degree.Linearity is measured using guide rail in the device, very big error can be introduced, when precision reaches micron order, it is difficult to accurate measurement.
In addition, not having detailed cylindricity calculation formula in text.
Roundness measuring equipment method, three coordinate measuring machine method detection endoporus cylindricity are the most accurate, but need to be examined in special measuring room
Survey, detecting step complexity, cycle length, cost are high, are not suitable with the detection of typical products in mass production, can not also be detected in production scene.Especially
When it is the endoporus that detection need to be corrected repeatedly, detection cycle length causes production efficiency very low.
Utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art there is provided a kind of adaptive endoporus cylindricity of hole shape
Pneumatic combination detection device, with hole shape adaptive characteristic, energy high precision test elongated bore deviation from cylindrical form, and realizes production
Site Detection, improves production efficiency.
The technical scheme that the utility model is used is to include pneumatic gauging component and its supporting control gauge.
Pneumatic gauging component includes tracheae protective case, spring, nut, handle, postive stop baffle and Pneumatic measuring head；Pneumatic survey
Amount tail end is connected through postive stop baffle with handle head end, and postive stop baffle is positioned for being connected to hole end surface, and handle is hollow
Structure, tracheae protective case and spring are fixedly connected on handle tail end nut by nut.
Four groups of taper air-blast atomizers and four linearity air-blast atomizers are provided with Pneumatic measuring head, wherein：Four groups of taper gas
Dynamic nozzle is arranged symmetrically in the two of the same cross section of Pneumatic measuring head with two for one group, every group of two taper air-blast atomizers
Side, the taper air-blast atomizer of difference group is arranged on Pneumatic measuring head varying cross-section, and the tapered air-blast atomizer of institute is arranged in
On the same axial cross section of Pneumatic measuring head, every group of taper air-blast atomizer connects after respective tracheae with respective air-gauge
Connect, tracheae connects air-gauge after being covered through the gentle protection of pipe of handle, so that four groups of taper air-blast atomizers form axially spaced
The pneumatic detections of No. four taper of arrangement；In four linearity air-blast atomizers, two of which linearity air-blast atomizer is arranged in pneumatic
The same side in the middle part of measurement head, two other linearity air-blast atomizer is arranged in the opposite side at Pneumatic measuring head both ends,
Four linearity air-blast atomizers are arranged on the same axial cross section of Pneumatic measuring head, and the axial direction where linearity air-blast atomizer
Section and axial cross section where taper air-blast atomizer are perpendicular, all linearity air-blast atomizers pass through after same tracheae with it is same
One air-gauge is connected, and tracheae connects air-gauge after being covered through the gentle protection of pipe of handle, so that four linearity air-blast atomizers
Form the pneumatic detection of taper all the way.
The supporting control gauge includes linearity upper limit control gauge, linearity lower limit control gauge, assisted calibration rule, diameter
Upper limit control gauge and diameter lower limit control gauge, five control gauges are thimble structure.
Described Pneumatic measuring head lateral wall is provided with multiple guiding gutters vertically, and guiding gutter is arranged on an exhaust vertically
Communicate beside dynamic nozzle and with the air-blast atomizer annular groove.
The linearity air-blast atomizer is arranged on Pneumatic measuring head simultaneously with the taper air-blast atomizer, and is measured simultaneously
Go out the variously-shaped error of endoporus to obtain cylindricity.
Section involved by the utility model includes the axial cross section parallel to axial direction and the cross section perpendicular to axial direction.
The utility model has advantages below：
1) device is the high accuracy with hole shape adaptive characteristic, combined type elongated bore cylindricity PCU.
It can be used for while measuring straightness error value, roundness error, taper error value to aid in obtaining deviation from cylindrical form, raising measurement
Accuracy.
2) combined type gauge head disclosed in the utility model, straightness error can be measured simultaneously, and deviation from circular from, taper are missed
Difference so that the utility model device to hole shape has adaptive characteristic, and a kind of gauge head is solved well can only measure part special hole
The problem of.
3) the utility model is integral type measurement head, and four diameter of section values can be measured simultaneously, because of each measurement feature
Measured simultaneously on a benchmark, measurement result is reliable, and the Pneumatic measuring head makes elongated shape, high-precision can measure elongated
Endoporus.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model device；
Fig. 2 is the utility model device linearity nozzle calibration schematic diagram；
Fig. 3 is that the utility model device taper nozzle upper limit ring gauge calibrates schematic diagram；
Fig. 4 is that the utility model device taper nozzle lower limit ring gauge calibrates schematic diagram；
Fig. 5 is the utility model device detection example schematic diagram；
Fig. 6 is the isometrical curved hole schematic diagram of the utility model measurement device；
Fig. 7 is the utility model measurement device bellmouth schematic diagram；
Fig. 8 is the utility model measurement device concave hole schematic diagram.
In figure, tracheae protective case 1, spring 2, nut 3, handle 4, postive stop baffle 5, Pneumatic measuring head 6, taper air-blast atomizer
60th, 61,62,63, linearity air-blast atomizer 64,65,66,67, guiding gutter 7, linearity upper limit control gauge 8, linearity lower limit school
Quasi- rule 9, assisted calibration rule 10, diameter upper limit control gauge 11, diameter lower limit control gauge 12, measured hole 13.
Embodiment
Specific embodiment the following is utility model and with reference to accompanying drawing, makees further to the technical solution of the utility model
Description, but the utility model is not limited to these embodiments.
The utility model device includes pneumatic gauging component and its supporting control gauge.
As shown in figure 1, pneumatic gauging component is gentle including tracheae protective case 1, spring 2, nut 3, handle 4, postive stop baffle 5
Dynamic measurement head 6；The tail end of Pneumatic measuring head 6 is connected through postive stop baffle 5 with the head end of handle 4, and handle 4 is hollow structure, tracheae protection
Set 1 and spring 2 are fixedly connected on the tail end of handle 4 by nut 3.
As shown in figure 1, be provided with Pneumatic measuring head 6 four groups of taper air-blast atomizers and four linearity air-blast atomizers 64,65,
66th, 67, four groups of taper air-blast atomizers with two for one group, four groups of taper air-blast atomizers from head end to tail end are followed successively by 60,61,
62nd, 63, every group of two taper air-blast atomizers are arranged symmetrically in the both sides of the same cross section of Pneumatic measuring head 6, the cone of difference group
Degree air-blast atomizer is arranged on the varying cross-section of Pneumatic measuring head 6, and it is same that the tapered air-blast atomizer of institute is arranged in Pneumatic measuring head 6
On one axial cross section, every group of taper air-blast atomizer is connected after respective tracheae with respective air-gauge, and tracheae passes through hand
Air-gauge is connected after the gentle protection of pipe of handle 4 set 1, so that four groups of taper air-blast atomizers form axially spaced apart four roads cone
Spend pneumatic detection.
In four linearity air-blast atomizers 64,65,66,67, two of which linearity air-blast atomizer 64,65 is arranged in pneumatic
The same side at the middle part of measurement head 6, two other linearity air-blast atomizer 66,67 is arranged in the both ends of Pneumatic measuring head 6
Opposite side, four linearity air-blast atomizers are arranged on the same axial cross section of Pneumatic measuring head 6, and linearity air-blast atomizer institute
Axial cross section it is perpendicular with axial cross section where taper air-blast atomizer, all linearity air-blast atomizers pass through same gas
The same air-gauge connections of Guan Houyu, tracheae connects air-gauge after covering 1 through the gentle protection of pipe of handle 4, so that four straight lines
Spend the air-blast atomizer formation pneumatic detection of taper all the way.The lateral wall of Pneumatic measuring head 6 is provided with multiple guiding gutters 7 vertically, water conservancy diversion
Groove 7 is arranged on beside row's air-blast atomizer vertically and communicated with air-blast atomizer annular groove.
Supporting control gauge includes linearity upper limit control gauge 8, linearity lower limit control gauge 9, assisted calibration rule 10, diameter
Upper limit control gauge 11 and diameter lower limit control gauge 12, five control gauges are thimble structure, as shown in Figure 2 to 4.
The utility model is as follows using process：
The spool bore cylindricity for joining valve body is worked using load sensing multi-way valve as detection object, cylindricity tolerance requirement is.
Three pieces of valve bodies a, b, c are chosen in a collection of valve body for completing processing, then：
1) nozzle calibration is moved in advanced promoting the circulation of qi：Pneumatic gauging component is connected with air-gauge, the multiplying power of air-gauge is adjusted
And zero point.
As shown in Fig. 2 carrying out alignment degree measurement nozzle：Measurement head 6 is fixed, upper limit control gauge 8, lower limit are calibrated
Rule 9 and assisted calibration rule 10 are enclosed on gauge head, and now upper limit control gauge 8 covers air-blast atomizer 67, and assisted calibration rule 10 cover gas
Dynamic nozzle 66, lower limit control gauge 9 covers air-blast atomizer 64,65, air-gauge buoy is transferred to the lower position of graduated scale simultaneously；
Then the exchange of upper and lower limit control gauge is enclosed on gauge head, now upper limit control gauge 8 covers air-blast atomizer 64,65 simultaneously, will be pneumatic
Amount instrument buoy is transferred to the upper limit position of graduated scale.
As shown in Figure 3, Figure 4, calibration taper measurement nozzle is carried out：Measurement head 6 is fixed, upper limit control gauge 11 is enclosed on survey
On head, air-blast atomizer 63 is covered, air-gauge buoy is transferred to the upper limit position of graduated scale；Upper limit control gauge 11 is removed, by under
Limit control gauge 12 is enclosed in measurement head 6, and air-gauge buoy is transferred to the lower position of graduated scale；According to above-mentioned same procedure school
Quasi- air-blast atomizer 60,61,62.
2) combined type measurement head synchro measure straightness error, deviation from circular from and taper error：
Duplex measurement device is slowly put into measured hole 13 as shown in Figure 5, postive stop baffle 5 connects with the outer face of endoporus 13
Touch so that the axial direction of Pneumatic measuring head 6 and measured hole 13 overlaps positioning, then the tour of rotary pneumatic measurement head 6, it is logical
Cross five air-gauges to measure in the following ways, record obtains the measurement data of linearity, circularity and taper, specially endoporus
Axis verticality δA, cross section where four groups of taper air-blast atomizers endoporus circularity δB、δC、δD、δEAnd hole taper δF。
I) air-gauge that record linearity air-blast atomizer 64,65,66,67 is connected rotates a circle in Pneumatic measuring head 6
In diameter data, maximum subtracts minimum value, take secondly point one obtain endoporus axis verticality δA。
II) air-gauge that four taper air-blast atomizers 60,61,62,63 of record are each connected respectively is rotating a circle
In diameter data, the maximum in same all diameter datas of taper air-blast atomizer is subtracted into minimum value, four are respectively obtained
The endoporus circularity δ of cross section where individual nozzleB、δC、δD、δE。
According to the metering system shown in Fig. 6~Fig. 8, four sections 1-1,2- in valve body a, b, c spool bore are measured respectively
2nd, 3-3,4-4 circularity δB、δC、δD、δE。
III) four taper air-blast atomizers 60,61,62,63 are recorded to the maximum of measurement data in the same anglec of rotation
Value subtracts minimum value, and takes 1/2nd acquisition differences, takes the measurement data under different rotary angle to do identical difference successively, revolves
The maximum of difference is taken after circling, hole taper δ is obtainedF.By this metering system, respectively to the cone of valve body a, b, c spool bore
Degree is measured, and obtains 0-180 °, 45-225 °, 90-270 °, 135-315 ° of four groups of diameter measurement data (two paired angles
For two taper air-blast atomizers being arranged symmetrically respectively where the anglec of rotation), the taper of spool bore is obtained by calculating.
3) the first time qualification based on individual event worst error judges：Deviation from cylindrical form can be by being tested face of cylinder cross section
Substituted with the synthesis of the form error in axial cross section, the former is represented with deviation from circular from, the latter's axis verticality or plain line
Taper is represented；
The maximum in all measured values is found first
Cylindricity tolerance requirement is Δ as defined in designer, ifThink not meeting tolerance, judge workpiece
Processing is unqualified；IfThen determine whether.
4) endoporus everywhere cross section average diameter calculate：
Data of the air-gauge that record measurement bar most proximal end taper air-blast atomizer 60 is connected in rotating a circle, are obtained
N diameter value dP0-1, dP0-2,, dP0-n(n represents the middle pendulous frequency that rotates a circle), and then calculate delivery nozzle place cross section
Endoporus average diameter dP0；It is similar, the air-gauge that its excess-three group taper air-blast atomizer 61,62 and 63 connected is recorded successively to exist
Data in rotating a circle, and obtain average diameter dP1、dP2、dP3.By this metering system, valve body a, b, c spool bore is measured respectively
In four section 1-1,2-2,3-3,4-4 (as shown in Figure 6 to 8) average diameter dP0、dP1、dP2、dP3, and calculate obtain
The average value d of average cross-sectional diameter everywhereP。
5) the hole shape automatic discrimination based on pore size relation：
If I) | (dP0、dP1、dP2、dP3)-dP|≤ε (i.e. everywhere the average diameter of cross section and d deviation no more than setting
Fixed threshold epsilon), endoporus is isometrical curved hole (see Fig. 6), otherwise does follow-up judgement；
II) d is worked asP0<(dP1、dP2)<dP3Or dP0>(dP1、dP2)>dP3When, endoporus one end is big, and one end is small, and taper is presented
(see Fig. 7), then be bellmouth；
III) d is worked asP0<(dP1、dP2) and dP3<(dP1、dP2) or dP0>(dP1、dP2) and dP3>(dP1、dP2) when, in the middle of endoporus
Big narrowing toward each end, is presented convex, or middle small two ends are greatly, and spill (see Fig. 8) is presented, then is concavo-convex hole；
If IV) do not meet the situation of above-mentioned I, II or III, for other shape holes.
Valve body a spool bore section average diameter result does not meet above-mentioned I, II, III situation, belong to situation IV, judge
For other shape holes；Valve body b spool bore section average diameter result meets dP0>(dP1、dP2) and dP3>(dP1、dP2), belong to situation
III, it is determined as concave hole；Valve body c spool bore section average diameter result meets dP0>(dP1、dP2)>dP3, belong to situation II, sentence
It is set to bellmouth.
6) the adaptive deviation from cylindrical form value for distinguishing mode based on primary and secondary is calculated：
I) it is directed to Fig. 6 isometrical curved hole：
II) it is directed to Fig. 7 bellmouth：
III) it is directed to Fig. 8 concavo-convex hole：
IV) other shape holes：
When roundness error is maximum：
When roundness error is not for maximum：
Rather than deviation from circular from, therefore valve body a spool bore deviation from cylindrical form is：
Valve body b spool bore belongs to the concave hole of situation III, and its deviation from cylindrical form is：
Valve body c spool bore belongs to the bellmouth of situation II, and its deviation from cylindrical form is：
7) judged based on second of qualification for measuring deviation from cylindrical form：With obtained deviation from cylindrical form value δ and cylindricity
Tolerance Δ compares：When δ≤Δ, judge that work pieces process is qualified；Work as δ>During Δ, judge that work pieces process is unqualified.Embodiment
In, the deviation from cylindrical form of valve body a, b, c spool bore is respectively less than cylindricity tolerance requirement, therefore three pieces of valve bodies a, b, the c chosen
Spool bore is determined as that cylindricity is qualified.
Above-described embodiment is not construed as to limitation of the present utility model, but any done based on spirit of the present utility model
Improve, all should be within protection domain of the present utility model.
Claims (3)
1. a kind of adaptive pneumatic combination detection device of endoporus cylindricity of hole shape, it is characterised in that：Including pneumatic gauging component
And its supporting control gauge；
Pneumatic gauging component includes tracheae protective case (1), spring (2), nut (3), handle (4), postive stop baffle (5) and pneumatic survey
Measure head (6)；Pneumatic measuring head (6) tail end is connected through postive stop baffle (5) with handle (4) head end, tracheae protective case (1) and spring
(2) it is fixedly connected on by nut (3) on handle (4) tail end, Pneumatic measuring head (6) and is provided with eight taper air-blast atomizers and four
Linearity air-blast atomizer (64,65,66,67), wherein：
Eight taper air-blast atomizers with two be one group of formation, four groups of taper air-blast atomizers (60,61,62,63), two of every group
Taper air-blast atomizer is arranged symmetrically in the both sides of Pneumatic measuring head (6) same cross section, the taper air-blast atomizer arrangement of difference group
On Pneumatic measuring head (6) varying cross-section, the tapered air-blast atomizer of institute is arranged in Pneumatic measuring head (6) same axial cross section
On, every group of taper air-blast atomizer is connected after respective tracheae with respective air-gauge, and tracheae passes through handle (4) and tracheae
Protective case (1) connects air-gauge afterwards；
In four linearity air-blast atomizers (64,65,66,67), two of which linearity air-blast atomizer is arranged in Pneumatic measuring head
(6) the same side in the middle part of, two other linearity air-blast atomizer is arranged in the opposite side at Pneumatic measuring head (6) both ends,
Four linearity air-blast atomizers are arranged on Pneumatic measuring head (6) same axial cross section, and where linearity air-blast atomizer
Axial cross section and axial cross section where taper air-blast atomizer are perpendicular, after all linearity air-blast atomizers are by same tracheae
It is connected with same air-gauge, tracheae connects air-gauge afterwards through the gentle protection of pipe set (1) of handle (4).
2. a kind of adaptive pneumatic combination detection device of endoporus cylindricity of hole shape according to claim 1, its feature exists
In：The supporting control gauge includes linearity upper limit control gauge (8), linearity lower limit control gauge (9), assisted calibration rule
(10), diameter upper limit control gauge (11) and diameter lower limit control gauge (12), five control gauges are thimble structure.
3. a kind of adaptive pneumatic combination detection device of endoporus cylindricity of hole shape according to claim 1, its feature exists
In：Described Pneumatic measuring head (6) lateral wall is provided with multiple guiding gutters (7) vertically, and guiding gutter (7) is arranged on vertically one
Communicate beside row's air-blast atomizer and with the air-blast atomizer annular groove.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720028512.8U CN206378111U (en) | 2017-01-11 | 2017-01-11 | A kind of adaptive pneumatic combination detection device of endoporus cylindricity of hole shape |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720028512.8U CN206378111U (en) | 2017-01-11 | 2017-01-11 | A kind of adaptive pneumatic combination detection device of endoporus cylindricity of hole shape |
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| Publication Number | Publication Date |
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| CN206378111U true CN206378111U (en) | 2017-08-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720028512.8U Withdrawn - After Issue CN206378111U (en) | 2017-01-11 | 2017-01-11 | A kind of adaptive pneumatic combination detection device of endoporus cylindricity of hole shape |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106705900A (en) * | 2017-01-11 | 2017-05-24 | 浙江大学 | Hole form adaptive bore cylindricity pneumatic composite detection device and measuring method |
| CN109357593A (en) * | 2018-11-20 | 2019-02-19 | 苏州新豪轴承股份有限公司 | Lasso detects executive item and lasso detector |
-
2017
- 2017-01-11 CN CN201720028512.8U patent/CN206378111U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106705900A (en) * | 2017-01-11 | 2017-05-24 | 浙江大学 | Hole form adaptive bore cylindricity pneumatic composite detection device and measuring method |
| CN106705900B (en) * | 2017-01-11 | 2022-07-19 | 浙江大学 | Hole-shape-adaptive inner hole cylindricity pneumatic composite detection device and measurement method |
| CN109357593A (en) * | 2018-11-20 | 2019-02-19 | 苏州新豪轴承股份有限公司 | Lasso detects executive item and lasso detector |
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