CN107036504A - A kind of wall thickness measuring device and measuring method - Google Patents
A kind of wall thickness measuring device and measuring method Download PDFInfo
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- CN107036504A CN107036504A CN201710440934.0A CN201710440934A CN107036504A CN 107036504 A CN107036504 A CN 107036504A CN 201710440934 A CN201710440934 A CN 201710440934A CN 107036504 A CN107036504 A CN 107036504A
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- measurement
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- amesdial
- wall thickness
- bar
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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
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/02—Measuring arrangements characterised by the use of mechanical techniques for measuring length, width or thickness
- G01B5/06—Measuring arrangements characterised by the use of mechanical techniques for measuring length, width or thickness for measuring thickness
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- General Physics & Mathematics (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The invention discloses a kind of wall thickness measuring device and measuring method.The wall thickness measuring device includes base, base-mounted operating assembly, rear positioning component, prelocalization component and measuring staff component；The rear positioning component and prelocalization component are used on clamping position workpiece, the measuring staff component amesdial and measurement bar are housed；When measuring the wall thickness of workpiece, the central axis of the contact center of amesdial on workpiece lateral wall, the contact center of the measurement bar on workpiece madial wall with workpiece is contour, and amesdial contact center line and measurement bar contact center line point-blank；The operating assembly is used to adjust the amesdial and the point position of measurement bar.The present invention can large area multimetering optional position part wall thickness, and measurement is accurate reliable, and compact conformation, measurement efficiency is high.
Description
Technical field
The present invention relates to a kind of wall thickness measuring device and measuring method, the high band circular arc of dimension precision requirement is particularly suitable for use in
Multi-angle cone wall thickness be convenient for measuring.
Background technology
The shape and size of the vital part of some flyers require very high, such as wall thickness of thin-walled cone part
Dimensional tolerance often required that in 0.05~0.10mm, and wall thickness tolerance crosses the performance that conference directly affects product, therefore part
Wall thickness measuring is process key point.
However, some thin-walled cones are multi-angles and with circular arc, because complex-shaped, accurately measuring for wall thickness is difficult
Point, manually holding common slide calliper rule can not measure at all；Using electronic instrument or sonigauge, circular cone cambered surface influence measurement essence
Degree, the measurement efficiency at each position of the whole conical surface of three coordinate device measurings is too low, and cost is too high.
For example electronic instrument is measured, and Chinese invention patent application CN201510810944.X discloses a kind of cylindrical part wall
Thickness measurement dial framework and measuring method, the cylindrical part wall thickness measuring dial framework constitutes as follows：Pole I, pole II, cross bar, adjustment
Device, dial gauge, measurement head and base；The lower end of the pole II is fixedly connected on upside one end of base, pole I lower end
The other end of base is movably connected on, pole I upper end is cone tip shape structure, and one end of cross bar passes through adjusting apparatus and pole II
Upper end be connected, dial gauge is connected to the other end of cross bar, and measurement head is connected to the lower end of dial gauge, measurement head with pole I
The cone tip shape structure docking at end, the barrel for being tested cylindrical part is located between measurement head and pole I.
In another example ultrasonic thickness measurement, Chinese invention patent application CN201610497557.X discloses a kind of titanium alloy pipe
The probe regulating device of wall thickness ultrasonic measurement, sets the first connector in detection means shell, and one end of the first connector is consolidated
Fixed second connector, the top surface of second connector and the bottom surface of upper lower adjusting screw rod recline, in the other end of the first connector
Install in main adjustment body case, main adjustment body case provided with the 3rd connector fixed with each other and the 4th connection
Part, the 3rd connector and the height adjusting screw rod screw thread that can be rotated in place coordinate, and probe placement is embedded in the 4th connector
Probe is installed in groove, probe placement groove, the fine setting screw rod for being capable of original place rotation is set on the side of probe, it is external in main adjustment
The left and right sides of shell is symmetrical arranged left and right adjusting screw rod.
The content of the invention
The present invention is intended to provide a kind of wall thickness measuring device and measuring method, the wall thickness measuring device using measure contact and
The combination of amesdial, using the measuring method of contact product profile formula, can large area multimetering optional position part（Especially
It is band circular arc multi-angle thin-walled cone part）Wall thickness, and measurement is accurate reliable, compact conformation, measurement efficiency is high.
To achieve these goals, the technical solution adopted in the present invention is：
A kind of wall thickness measuring device, it is characterised in that including base, it is base-mounted operating assembly, rear positioning component, preceding fixed
Hyte part and measuring staff component；The rear positioning component and prelocalization component are used to fill on clamping position workpiece, the measuring staff component
There are amesdial and measurement bar；When measuring the wall thickness of workpiece, the contact center of the amesdial on workpiece lateral wall, positioned at work
Central axis of the contact center of measurement bar on part madial wall with workpiece is contour, and contact center line and the measurement of amesdial
The contact center line of bar is point-blank；The operating assembly is used to adjust the amesdial and the point position of measurement bar.
The central axis of the contact center of amesdial of the present invention, the contact center of measurement bar with workpiece is contour simultaneously
It is not that value is definitely contour, but allowable error is in the range of ± 0.05mm.
It is preferred that the workpiece is cone, more preferably with circular arc multi-angle thin-walled cone part.
Embodiments in accordance with the present invention, can also make further optimization, below the skill to be formed after optimization to the present invention
Art scheme：
Embodiments in accordance with the present invention, the prelocalization component includes the preceding bearing being arranged on base, the top of the preceding bearing
Equipped with the support for positioning workpiece one end；The support has a breach, and support the gap position level and court when mounted
To the direction of measuring staff component, so that measurement bar enters measurement position from the indentation, there.It is highly preferred that on the positioning end of the support
Provided with three grooves, small bearing is equipped with by bearing holder (housing, cover) in each groove.Thus, by small bearing rotational workpieces can be facilitated to carry out wall
Thickness measurement.
Embodiments in accordance with the present invention, the rear positioning component includes the rear support being arranged on base, the rear support
Top is equipped with sliding sleeve, and one end of the sliding sleeve, which is equipped with, to be used to position the interior top of the workpiece other end；It is preferred that the outer end of the sliding sleeve
Equipped with spring and adjusting screw.
Embodiments in accordance with the present invention, the measuring staff component includes being set with connection on column and dial gage base, the column
Female connector, the top of the coupling sleeve is equipped with coupling bar, and the coupling bar is fixedly linked with the measurement bar；The top of the dial gage base
Equipped with the amesdial；The bottom of the coupling sleeve is connected with the bottom of dial gage base by oscillating rod；The column and thousand points
The position of gauge stand is adjusted by operating assembly.
Preferably, the base includes bearing, is arranged on the guide plate on bearing, the guide plate and is provided with for installing slide plate
I groove and II groove；The column and dial gage base are housed, by adjusting position adjustment institute of the slide plate with respect to guide plate on the slide plate
State amesdial and the point position of measurement bar.
Adjusted for convenience by oscillating rod and catch base is housed on the position of amesdial and measurement bar, the slide plate and is mounted in
Pull bar on catch base.
Realize that oscillating rod, dial gage base, adapter sleeve are swung around column for convenience, set between the coupling sleeve and oscillating rod
There are multiple balls that multiple circular column bottoms are set.
Based on same inventive concept, present invention also offers a kind of described wall thickness measuring device wall-thickness measurement of utilization
Method, comprises the following steps：The outer wall of the contact workpiece of amesdial, the inwall of the contact workpiece of measurement bar is utilized
The profile that the measurement contact of measurement bar and the measurement contact of amesdial contact workpiece respectively is measured to the profile of workpiece, measurement
When, the central axis of the contact center of amesdial, the contact center of measurement bar with workpiece is contour, and the contact center of amesdial
Line and the contact center line of measurement bar are point-blank.
Further, the method for above-mentioned wall-thickness measurement comprises the following steps：
When S1 is measured, a qualified products are first done into measurement standard body, by measurement standard body location and installation positioning group in the rear
Between part, prelocalization component；
S2 adjusts the position of measurement bar and amesdial by operating assembly so that measurement bar and amesdial are respectively fed to measurement standard
Internal outer wall measurement position, and amesdial is returned to zero；
S3 takes measurement standard body away, lays workpiece to be measured；
S4 operates measuring staff component, slides the profile of measurement bar and amesdial along workpiece, while slow turning of work piece, measurable work
The numerical value that amesdial is shown in the wall thickness of the optional position of part taper direction and circumferencial direction, the measurement i.e. tolerance of product size,
So as to judge whether the wall thickness dimension of workpiece is qualified.
Compared with prior art, the beneficial effects of the invention are as follows：
The wall thickness measuring device compact conformation of the present invention, principle is simple, accurately calculates track, precisely can disposably measure multi-angle
Thin-walled cone part wall thickness, part handling measurement is convenient and simple.
The present invention is combined design to locating element before and after guide plate and part, can meet measurement part wall of different shapes
Thick requirement, measurement efficiency is ideal.
Brief description of the drawings
Fig. 1 is the assembling schematic diagram of one embodiment of the invention.
Fig. 2 is Fig. 1 top view；
Fig. 3 is forward and backward component installation diagram of the invention；
Fig. 4 is measuring staff component installation diagram of the present invention；
Fig. 5 is measuring principle schematic diagram of the present invention；
Fig. 6 is the stereogram of thin-walled cone wall thickness measuring device of the present invention；
Fig. 7 is the structural representation of support of the present invention；
Fig. 8 is Fig. 7 vertical cross-sectional；
Fig. 9 is the slip plate structure schematic diagram of the present invention；
Figure 10 is Fig. 9 top view.
Embodiment
Describe the present invention in detail below with reference to accompanying drawing and in conjunction with the embodiments.It should be noted that in the feelings not conflicted
Under condition, the embodiment in the present invention and the feature in embodiment can be mutually combined.For sake of convenience, hereinafter as occurred
" on ", " under ", "left", "right" printed words, only represent that the upper and lower, left and right direction with accompanying drawing in itself is consistent, does not limit structure
It is set for using.
With reference to Fig. 1, Fig. 2, thin-walled cone wall thickness measuring device includes operating assembly 101, rear positioning component 102, preceding fixed
Hyte part 103, measuring staff component 104, bearing 1, guide plate 2, pin 8, screw 9, amesdial 13, extension spring 14 are constituted.Piece number 4 is in figure
Product is illustrated.
Bearing 1, guide plate 2 are connected by pin 8, screw 9, as the base mechanism that each component is connected as one.
Operating assembly 101 is made up of sliding panel 3, bearing 5, stop collar 6, catch base 11, pull bar 12 and screw 7, screw 10,
Pull bar 12 is inserted into two pieces catch base 11, and screw 10 couples catch base 11 with sliding panel 3, and bearing 5 is arranged on catch base 11
Bottom axle on, it is using stop collar 6, screw 7 that bearing 5 is spacing in two grooves of guide plate 2.In the presence of bearing 5, operation
The track that pull bar 12 can enable sliding panel 3 be determined on guide plate 2 by two grooves is freely promoted.
With reference to Fig. 3, rear positioning component 102, prelocalization component 103 are arranged on bearing 1 using screw 32, pin 33.Afterwards
In positioning component 102, first install and be equipped with top 22 in bearing 16 and inner washer 21 in sliding sleeve 20, with spring 19, tune
Whole screw 18 is arranged in the hole of rear support 15, and protective case 23 is pressed into interior top 22, and the bullet of spring 19 is adjusted using adjusting screw 18
Property is locked with facilitating placement product after adjustment with nut 17.Prelocalization component 103, install three sets small bearing 25, long packing ring 24,
Short packing ring 27 loads bearing holder (housing, cover) 26 in three grooves of support 29 in bearing holder (housing, cover) 26, and insertion pin 28 fixes it, support 29
Locked in the preceding hole of bearing 31 with nut 30.Gap position level and towards the direction of measuring staff component 104 when support 29 is installed,
So that measurement bar 38 enters measurement position from indentation, there（Measurement bar 38 is shown in Fig. 4）.
With reference to Fig. 4, in measuring staff component 104, the hypomere axis of dial gage base 35 and the hole of the side of oscillating rod 36 are matched somebody with somebody for transition
Close, there is wide arc gap in the insertion of the small axle of the lowermost then loosely hole corresponding with sliding panel 3, the automatic fine tuning for measurement process.
Positioned after the adjustment direction of dial gage base 35 with screw 34, the table folder effect of screw 37 is the amesdial 13 that is fixedly clamped, and amesdial 13 is touched
Head contact product outer wall；The opposite side of oscillating rod 36, column 44 and the tight fit of sliding panel 3 and with the tightening of holding screw 48, column
44 are rotatably assorted with the small―gap suture of coupling sleeve 46, and multiple balls 47 are arranged on the oscillating rod 36 of the lower end of coupling sleeve 46 around column 44
In shoulder hole, coupling sleeve 46 is tight fit with oscillating rod 36 and coupling bar 41, and is compressed respectively with screw 45.Bearing pin 40, spiral shell
Measurement bar 38 is integrally togather by nail 39 with coupling bar 41, and pad 42, nut 43 lock the vertical direction of coupling bar 41, measurement bar 38
Contact product inwall.Therefore, oscillating rod 36, dial gage base 35, coupling bar 41, measurement bar 38, coupling sleeve 46, amesdial
13 and various screws composition measuring staff component, it is desirable to non-loosening and can be swung between part in the presence of ball 47 around column 44.
Wall thickness measuring device uses the measurement side of contact product profile formula using the combination for measuring contact and amesdial
Method.The track that operation pull bar 12 can enable sliding panel 3 be determined on guide plate 2 by two grooves is freely promoted, and sliding panel 3 is so as to drive
Measuring staff component is along product profile measurement.With reference to Fig. 5, alphabetical identical is that size or angle are identical in figure, a ＇≤a, guide plate 2
I, II groove center line track ensure the measuring staff component of product along product profile measurement, outside the contact product of amesdial 13
Wall, the contact product inwall of measurement bar 38.1 section of wall thickness of θ is surveyed, a size sections on guide plate 2 of sliding panel 3 promote to drive
Measuring staff component is along the profile measurement wall thickness of product θ 1.When measuring staff contacts product circular arc, operating assembly 101 first on sliding panel 4
Operating point（The position of i.e. one of catch base 11 and bearing 5）In the A points of I groove 51, second operating point（I.e. another is shaken hands
The position of seat 11 and bearing 5）In the B points of II groove 52, center R sections of I groove 51 is i.e. identical with product arc size, with the B of II groove 52
Point is the center of circle, and rotating operation component 101, sliding panel 4 slides into C points for center R sections along I groove 51, so as to drive measuring staff component to slip over
Product arc position, the b size sections on guide plate 2 of sliding panel 3 promote to drive measuring staff component along the profile measurement walls of product θ 2
It is thick.
The assembling and setting of a whole set of wall thickness measuring device, it is ensured that the center line of amesdial 13 is high（That is contact center）, measurement bar 38
Contact center it is contour with product center axis, error≤0.05mm, and the contact center line of amesdial 13 and measurement bar 38
Contact center line is point-blank.The one end of extension spring 14 tangles screw 34, and the other end is tangled on catch base 11, for adjusting measurement
The contact of bar 38 and product contact, it is ensured that the accuracy of product wall thickness measuring.
During measurement, a qualified products are first done into measurement standard body, the compression spring 19 of sliding sleeve 20 are pulled, by measurement standard body
It is inserted in protective case 23, unclamps sliding sleeve 20, under the effect of the screen resilience of spring 19, wall is sleeved on support 29 in measurement standard body
Bearing holder (housing, cover) 26 on.Under spring force and front and back bearings effect, positioning and rotation that can be convenient, flexible before and after product.Operate pull bar
12 can make the track that two grooves are determined along along guide plate 2 of sliding panel 4 that measurement bar 38 and amesdial 13 are respectively fed into measurement standard body
Inside and outside wall measurement position, now returns to zero to amesdial 13.Take measurement standard body away, lay product to be measured.Operate measuring staff group
Part 104, makes measurement bar 38 and amesdial 13 be slided along product profile, while product is slowly rotated, so that measurable taper direction
With the wall thickness of the optional position of circumferencial direction, the numerical value that amesdial 13 is shown in measurement is the tolerance of product size, so as to judge
Whether product wall thickness dimension is qualified.
The content that above-described embodiment is illustrated should be understood to that these embodiments are only used for being illustrated more clearly that the present invention, without
For limiting the scope of the present invention, after the present invention has been read, the various equivalent form of values of the those skilled in the art to the present invention
Modification each fall within the application appended claims limited range.
Claims (10)
1. a kind of wall thickness measuring device, it is characterised in that including base, base-mounted operating assembly（101）, rear positioning group
Part（102）, prelocalization component（103）With measuring staff component（104）；The rear positioning component（102）With prelocalization component（103）With
In clamping position workpiece（4）, the measuring staff component（104）It is upper that amesdial is housed（13）And measurement bar（38）；In measurement workpiece（4）
Wall thickness when, positioned at workpiece（4）Amesdial on lateral wall（13）Contact center, positioned at workpiece（4）Measurement on madial wall
Bar（38）Contact center and workpiece（4）Central axis it is contour, and amesdial（13）Contact center line and measurement bar
（38）Contact center line point-blank；The operating assembly（101）For adjusting the amesdial（13）And measurement bar
（38）Point position.
2. wall thickness measuring device according to claim 1, it is characterised in that the prelocalization component（103）Including installing
Preceding bearing on base（31）, the preceding bearing（31）Top be equipped with and be used to position the support of workpiece one end（29）；The branch
Frame（29）With breach, and support（29）The gap position level and towards measuring staff component when mounted（104）Direction, so as to
Measurement bar（38）Enter measurement position from the indentation, there.
3. wall thickness measuring device according to claim 2, it is characterised in that the support（29）Positioning end be provided with three
Pass through bearing holder (housing, cover) in individual groove, each groove（26）Equipped with small bearing（25）.
4. wall thickness measuring device according to claim 1, it is characterised in that the rear positioning component（102）Including installing
Rear support on base（15）, the rear support（15）Top be equipped with sliding sleeve（20）, the sliding sleeve（20）One end equipped with being used for
Position the interior top of the workpiece other end（22）；It is preferred that the sliding sleeve（20）Outer end be equipped with spring（19）And adjusting screw
（18）.
5. the wall thickness measuring device according to any one of claim 1-4, it is characterised in that the measuring staff component（104）
Including column（44）And dial gage base（35）, the column（44）On be set with coupling sleeve（46）, the coupling sleeve（46）Top
Equipped with coupling bar（41）, the coupling bar（41）With the measurement bar（38）It is fixedly linked；The dial gage base（35）Top dress
There is the amesdial（13）；The coupling sleeve（46）Bottom and dial gage base（35）Bottom pass through oscillating rod（36）It is connected；
The column（44）And dial gage base（35）Position pass through operating assembly（101）It is adjusted.
6. wall thickness measuring device according to claim 5, it is characterised in that the base includes bearing（1）, it is arranged on branch
Seat（1）On guide plate（2）, the guide plate（2）On be provided with for installing slide plate（3）I groove（51）With II groove（52）；The slide plate
（3）It is upper that the column is housed（44）And dial gage base（35）, by adjusting slide plate（3）With respect to guide plate（2）Position adjustment described in
Amesdial（13）And measurement bar（38）Point position.
7. wall thickness measuring device according to claim 6, it is characterised in that the slide plate（3）It is upper that catch base is housed（11）
With mounted in catch base（11）On pull bar（12）.
8. wall thickness measuring device according to claim 5, it is characterised in that the coupling sleeve（46）With oscillating rod（36）It
Between be provided with multiple circular columns（44）Multiple balls that bottom is set（47）.
9. a kind of method of the wall thickness measuring device wall-thickness measurement any one of utilization claim 1-8, it is characterised in that
Comprise the following steps：Amesdial（13）Contact workpiece outer wall, measurement bar（38）Contact workpiece inwall, profit
Use measurement bar（38）Measurement contact and the measurement contact of amesdial contact the profile of workpiece respectively the profile of workpiece surveyed
Amount, during measurement, amesdial（13）Contact center, measurement bar（38）Contact center and workpiece（4）Central axis it is contour,
And amesdial（13）Contact center line and measurement bar（38）Contact center line point-blank.
10. the method for wall-thickness measurement according to claim 9, it is characterised in that comprise the following steps：When S1 is measured, first
One qualified products is done into measurement standard body, by measurement standard body location and installation positioning component in the rear（102）, prelocalization group
Part（103）Between；
S2 passes through operating assembly（101）Adjust measurement bar（38）And amesdial（13）Position so that measurement bar（38）And thousand points
Table（13）Outer wall measurement position in measurement standard body is respectively fed to, and to amesdial（13）Zeroing；
S3 takes measurement standard body away, lays workpiece to be measured（4）；
S4 operates measuring staff component（104）, make measurement bar（38）And amesdial（13）Along workpiece（4）Profile slide, while slowly
Turning of work piece（4）, measurable workpiece（4）Amesdial in the wall thickness of the optional position of taper direction and circumferencial direction, measurement（13）
The numerical value of display is the tolerance of product size, so as to judge workpiece（4）Wall thickness dimension it is whether qualified.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710440934.0A CN107036504B (en) | 2017-06-13 | 2017-06-13 | Wall thickness measuring device and measuring method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710440934.0A CN107036504B (en) | 2017-06-13 | 2017-06-13 | Wall thickness measuring device and measuring method |
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| CN107036504A true CN107036504A (en) | 2017-08-11 |
| CN107036504B CN107036504B (en) | 2023-04-18 |
Family
ID=59541057
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| CN201710440934.0A Active CN107036504B (en) | 2017-06-13 | 2017-06-13 | Wall thickness measuring device and measuring method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107860348A (en) * | 2017-11-08 | 2018-03-30 | 浙江凯晨工贸有限公司 | A kind of butterfly valve wall thickness on-line automatic detection device |
| CN109099815A (en) * | 2018-09-30 | 2018-12-28 | 南京泉峰汽车精密技术股份有限公司 | Measurement in a closed series tooling |
| CN110006314A (en) * | 2019-03-29 | 2019-07-12 | 江南工业集团有限公司 | The wall thickness and wall thickness difference measurements measurer and measurement method of bicone arbitrary cross section |
| CN110671987A (en) * | 2019-11-07 | 2020-01-10 | 镇江中福马机械有限公司 | Moving disc end jump detection machine |
| CN115319539A (en) * | 2022-07-28 | 2022-11-11 | 湖南南方通用航空发动机有限公司 | Thickness measuring tool and method for disc with wall thickness having inclined angle on given diameter |
| CN116045875A (en) * | 2023-03-30 | 2023-05-02 | 南京泰普森自动化设备有限公司 | Dimension measuring device, apparatus and method |
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