CN207797948U - A kind of Three-coordinate measurer measuring thin wall special-shaped tube wave peak flat segments wall thickness - Google Patents
A kind of Three-coordinate measurer measuring thin wall special-shaped tube wave peak flat segments wall thickness Download PDFInfo
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- CN207797948U CN207797948U CN201820294912.8U CN201820294912U CN207797948U CN 207797948 U CN207797948 U CN 207797948U CN 201820294912 U CN201820294912 U CN 201820294912U CN 207797948 U CN207797948 U CN 207797948U
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- thin wall
- flat segments
- locating rod
- wall thickness
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Abstract
The utility model discloses a kind of Three-coordinate measurers of measurement thin wall special-shaped tube wave peak flat segments wall thickness, including：Platform；Three coordinate gauge heads, are used to measure measured object；Mobile mechanism makes above-mentioned three coordinates gauge head move；Control device controls above-mentioned mobile mechanism；Detent mechanism, including, inner support locating rod：End is positioned by positioning region on platform, the inner support locating rod outer diameter is less than the inner cavity internal diameter of wave crest on the thin wall special-shaped pipe side wall, the length of the inner support locating rod is more than the depth of inner cavity of the wave crest, and the top of the inner support locating rod is equipped with the support portion on the inner wall vertex for being used to support the wave crest；Fixed cushion block：It is placed on the platform to support thin wall special-shaped pipe so that the top of the support portion and the flat segments inner wall of the thin wall special-shaped pipe offset.The utility model can simplify the measurement operation that thin wall special-shaped tube wave peak flat segments wall thickness is surveyed, and improve the reliability of measurement result.
Description
Technical field
The utility model is related to technical fields of mechanical processing, more particularly to a kind of measurement thin wall special-shaped tube wave peak flat segments
The Three-coordinate measurer of wall thickness.
Background technology
As shown in Figure 1a, 7 center of thin wall special-shaped pipe to be measured is equipped with tube chamber, and wave crest 8 is located at the thin wall special-shaped pipe 7
Outer wall on, the inner cavity of wave crest 8 is connected with the tube chamber.
The previous 8 flat segments wall thickness of wave crest that measures is the wall thickness of pipe to be measured with wall thickness micrometer gauge, but thin before its forming
The special-shaped part wave crest 8 of wall special pipe 7 can be by larger stress in forming process, and 8 flat segments wall thickness of wave crest can occur one
Fixed variation, pipe measurement data are no longer applicable in.After part shapes, since 8 intracavity space size of wave crest is smaller, measure
Instrument can not directly contact measured position, and therefore, the wall thickness measuring of 8 flat segments of wave crest is always a problem after molding.
Three coordinate measuring machine is applicable in wide, high certainty of measurement, but since machine turns round measuring staff and gauge head radius more than wave crest 8
Inner cavity internal diameter, cause the gauge head of instrument that cannot touch the wave crest 8 for measuring measured position, therefore cannot achieve thin wall special-shaped pipe 7
The measurement of flat segments wall thickness.
Utility model content
The purpose of this utility model is to be directed to thin wall special-shaped pipe thin-walled wave crest flat segments wall thickness existing in the prior art not
The problem of easily measuring, and a kind of Three-coordinate measurer of measurement thin wall special-shaped tube wave peak flat segments wall thickness is provided, it is flat to simplify
The measurement process of straight section wall thickness improves the reliability of measurement result.
A kind of Three-coordinate measurer measuring thin wall special-shaped tube wave peak flat segments wall thickness, including：
Platform；Three coordinate gauge heads, are used to measure measured object；Mobile mechanism makes above-mentioned three coordinates gauge head move；Control
Device processed controls above-mentioned mobile mechanism；
Detent mechanism, including,
Inner support locating rod：End is positioned by positioning region on platform, and the inner support locating rod outer diameter is less than described
The inner cavity internal diameter of wave crest on thin wall special-shaped pipe side wall, the length of the inner support locating rod are more than the depth of inner cavity of the wave crest,
The top of the inner support locating rod is equipped with the support portion on the inner wall vertex for being used to support the wave crest；
Fixed cushion block：Be placed on the platform to support thin wall special-shaped pipe so that the top of the support portion with it is described thin
The flat segments inner wall of wall special pipe offsets.
It is preferred that the positioning region include to the inner support locating rod be clamped positioning scroll chuck and
Magnet base for being fixed on the scroll chuck on platform.
It is preferred that the length of the magnet base is 50-60mm, the height of the magnet base is 50-70mm, preferably
Width for 60mm, the magnet base is 40-60mm.
It is preferred that the sum of magnet base length and scroll chuck axial length, the tube chamber for being less than thin wall special-shaped pipe is straight
Diameter.
It is preferred that the support portion is sphere.
It is preferred that the sphere diameter is 2-3mm, spherome surface roughness Ra is 0.2-0.3 μm, spherome surface
Profile tolerance is 0.004-0.006mm.
It is preferred that the inner support locating rod includes concentric sequentially connected sphere, upper cylindrical bar, circular cone column
Body and lower cylindrical bar, wherein：The bottom end of the lower cylindrical bar and the scroll chuck clamping engagement, the lower cylindrical bar it is outer
Diameter is identical as the bottom end outer diameter of the conical cylinder, the outer diameter phase of the top outer diameter of the conical cylinder and the upper cylindrical bar
Together, and less than the diameter of the sphere.
It is preferred that the length of the upper cylindrical bar is more than the depth of the thin wall special-shaped pipe.
It is preferred that the length of the inner support locating rod is 50-60mm, and upper cylinder shank diameter 1.5-2.5mm, ball
The length 15mm of body and upper cylindrical bar, a diameter of 4-6mm of lower cylindrical bar.
It is preferred that the scroll chuck includes chuck body and is driven by claw driving mechanism to clamp or open
Three claws.
A kind of measurement method of the Three-coordinate measurer for measuring thin wall special-shaped tube wave peak flat segments wall thickness, including with
Lower step：
Step 1, inner support locating rod being fixed on platform using fixed part so that inner support locating rod keeps horizontal,
Three coordinate gauge heads measure the coordinate points on support portion vertex, obtain X0Y0Z0；
Step 2, thin wall special-shaped pipe is placed on platform vertically, and makes support locating rod and fixed position in described thin
In the tube chamber of wall special pipe；
Step 3, the fixation cushion block for choosing predetermined thickness is placed on platform, and thin wall special-shaped pipe is supported, and level is moved
Dynamic thin wall special-shaped pipe so that support locating rod is extend into wave crest, and support portion forms inner support, three coordinate gauge heads to wave crest inner wall
Identical X0Y0Coordinate position obtains another coordinate points X0Y0Z1, it is tested wall thickness t=| Z1-Z0|。
Compared with prior art, the utility model has the beneficial effects that：
1. the localization method of the utility model, which is different from such as wall thickness micrometer gauge in the prior art, measures thin wall special-shaped pipe
The wall thickness of pipe, the utility model are the direct wall thickness for measuring thin wall special-shaped tube wave peak flat segments, and measurement result is relatively reliable.
2. the wave crest flat segments wall thickness measuring positioning device of the utility model simulates thin wall special-shaped tube wave with sphere vertex
Peak flat segments inner wall recycles three coordinate measuring machine, by formulating rational measurement scheme, realizes above-mentioned wall thickness measuring.Effectively
It solves in wave crest that space is small, measures time-consuming and laborious problem so that the measurement of wave crest wall thickness is simpler, and it is difficult to reduce operation
Degree.
Also it is assessment product quality 3. the utility model provides foundation to the structure design and process optimization of positioning device
With processing consistency, stability, foundation is provided.
4. it is simple in structure, manufacture craft is simple, it is convenient for industrial application.
Description of the drawings
Fig. 1 a are the structural schematic diagram of thin wall special-shaped pipe.
Fig. 1 b are thin wall special-shaped tube wave peak flat segments wall thickness measuring device schematic diagram；
Fig. 2 is the enlarged drawing of A in Fig. 1；
Fig. 3 inner support locating rod schematic diagrames；
Fig. 4 wedge block front views；
Fig. 5 wedge block vertical views；
Fig. 6 cushion block height calculates schematic diagram；
Fig. 7 scroll chuck front views；
Fig. 8 scroll chuck vertical views；
Wherein：1- platforms, tri- coordinate gauge heads of 2-, 3- fix cushion block, 4- inner support locating rods, 5- scroll chucks, 6- magnetic force
Seat, the thin-wall special-shaped pipes of 7-, 8- wave crests, 9- spheres, the upper cylindrical bars of 10-, 11- conical cylinders, cylindrical bar under 12-；
51- chuck bodies, 52- claws.
Specific implementation mode
The utility model is described in further detail below in conjunction with the drawings and specific embodiments.It should be appreciated that this place
The specific embodiment of description is only used to explain the utility model, is not used to limit the utility model.
Embodiment 1
As shown, a kind of three-dimensional coordinates measurement dress of measurement thin wall special-shaped tube wave peak flat segments wall thickness of the utility model
It sets, including：Platform 1；Three coordinate gauge heads 2, are used to measure measured object；Mobile mechanism makes above-mentioned three coordinates gauge head 2 move
It is dynamic；Control device controls above-mentioned mobile mechanism；
Detent mechanism, including,
Inner support locating rod 4：End is positioned on the platform 1 by positioning region, and 4 outer diameter of inner support locating rod is less than institute
The inner cavity internal diameter of wave crest 8 on 7 side wall of thin wall special-shaped pipe is stated, the length of the inner support locating rod 4 is more than the inner cavity of the wave crest 8
Depth, the top of the inner support locating rod 4 are equipped with the support portion on the inner wall vertex for being used to support the wave crest；
Fixed cushion block 3：Be placed on the platform 1 to support thin wall special-shaped pipe 7 so that the top of the support portion with it is described
The flat segments inner wall of thin wall special-shaped pipe 8 offsets.
It is preferred that the positioning region includes the scroll chuck 5 for being clamped positioning to the inner support locating rod 4
With for the scroll chuck 5 to be fixed magnet base 6 on the platform 1.
It is preferred that the length of the magnet base 6 is 50-60mm, and preferably 55mm, the height of the magnet base 6
For 50-70mm, preferably 60mm, the width of the magnet base 6 is 40-60mm, preferably 50mm, and 6 suction of magnet base is enough to protect
It demonstrate,proves scroll chuck 5 and inner support locating rod 4 is fixed, magnet base should meet JB/T 10010-1999 standards.
It is preferred that the sum of 6 length of magnet base and 5 axial length of scroll chuck, are less than the tube chamber of thin wall special-shaped pipe
Diameter.It is put into part convenient for device.
Embodiment 2
The present embodiment is improved on the basis of embodiment 1, and the support portion is sphere 9, and the sphere 9 is right when positioning
The flat segments inner wall of the wave crest 14 forms support, and the measurement point in simulation 8 flat segments of wave crest had not only been convenient on the vertex of sphere 9, but also
Good support positioning can be achieved.
It is preferred that the sphere 9 a diameter of 2-3mm, preferably 2.5mm, spherome surface roughness Ra 0.2-
0.3, preferably 0.25,9 surface profile degree of sphere are 0.004-0.006mm, preferably 0.005mm.
It is preferred that the inner support locating rod 5 includes concentric sequentially connected sphere 9, upper cylindrical bar 10, circle
Cylinder 11 and lower cylindrical bar 12 are bored, wherein：The bottom end of the lower cylindrical bar 12 and 5 clamping engagement of scroll chuck, it is described
The outer diameter of lower cylindrical bar 12 is identical as the bottom end outer diameter of the conical cylinder 11, the top outer diameter of the conical cylinder 11 with it is described
Upper cylindrical bar 10 outer diameter it is identical, and less than the sphere 9 diameter.
It is preferred that the length of the upper cylindrical bar 10 is more than the depth of the thin wall special-shaped pipe 8.
It is preferred that the length of the inner support locating rod 5 is 50-60mm, preferably 55mm.
It is preferred that the length of upper cylindrical bar 10 diameter 1.5-2.5mm, preferably 2.0mm, sphere and upper cylindrical bar 10
Spend 15mm, a diameter of 4-6mm of lower cylindrical bar 12, preferably 5mm.
It is preferred that the inner support locating rod 5 selects tool steel material, ensure that cylindrical bar is indeformable, lower cylinder
13 part of bar, is clamped by fixed seat scroll chuck.
It is preferred that the scroll chuck 5 drives to clamp or open including chuck body 51 and by claw driving mechanism
Three claws 52 opened.
Embodiment 3
The measurement side of Three-coordinate measurer for measuring thin wall special-shaped pipe flat segments wall thickness as described in Example 1
Method includes the following steps：
Step 1, inner support locating rod 4 is fixed on the platform 1 using fixed part so that inner support locating rod 4 keeps water
Flat, three coordinate gauge heads 2 measure the coordinate points on support portion vertex, obtain X0Y0Z0；
Step 2, thin wall special-shaped pipe 7 is placed on the platform 1 vertically, and makes support locating rod 4 and fixed position in institute
In the tube chamber for stating thin wall special-shaped pipe 7；
Step 3, the fixation cushion block 3 for choosing predetermined thickness is placed on the platform 1, and thin wall special-shaped pipe 7 is supported, water
Thin wall special-shaped pipe 7 is moved in translation so that and support locating rod 4 is extend into wave crest 8, and support portion forms inner support to 8 inner wall of wave crest, and three
2 identical X of coordinate gauge head0Y0Coordinate position obtains another coordinate points X0Y0Z1, it is tested wall thickness t=| Z1-Z0|。
Specifically：
Inner support locating rod 4 is clamped using using scroll chuck 5, inner support locating rod 4 is horizontal positioned, and scroll chuck 5 hangs down
It is straight to inhale in the side of magnet base 6, it places on the platform 1, the vertex of the sphere 9 at 4 top of inner support locating rod is as simulation point, mould
Quasi- tested inner tubal wall measurement point, first from top to bottom measures sampling site in sphere vertex position, obtains simulation point coordinates X0Y0Z0。
Then thin wall special-shaped pipe 7 is put, the measurement point of tested wave crest overlaps, selection adjustment is suitable with spherical surface simulation point
The cushion block 3 of thickness ensures that 7 measured point of part to be measured is contacted with sphere, and ensures that part 7 to be measured is motionless, as shown in Figure 1, again from
Identical X is measured up to lower0Y0Coordinate position obtains another coordinate points X0Y0Z1, it is tested wall thickness t=| Z1-Z0|。
It is preferred that the cushion block 3 can be two kinds of wedge shape and rectangle, rectangle cushion block available quantity block replaces, root
Depending on distance according to the end face for arriving workbench one end at part abnormity.When wave crest 8 is perpendicular to the thin wall special-shaped pipe 7, cushion block 3
Using rectangle cushion block, when in a certain angle between wave crest 8 and the thin wall special-shaped pipe 7, wedge block can be used in cushion block 3, will
7 inclined shore of thin wall special-shaped pipe gets up so that wave crest 8 is in level.
The upper and lower flatness 0.005mm of cushion block, 0.25 μm of roughness Ra are not parallel for 8 flat segments of wave crest and horizontal plane
Wedge block can be selected in part, it is easier to adjust retaining element, the selection of wedge block short height, preferably slightly smaller than H numerical value,
Gradient preferably 1：20.
Wherein：3 height H calculating process of cushion block is as follows：9 central point of sphere, apart from for L, subtracts 8 center line of wave crest to plane 1
To the end face distance L1 of thin wall special-shaped pipe 7, then subtract two points of the half of wave crest intracavity diameter L2 and supporting sephere diameter d
The sum of one of.See Fig. 6.Calculation formula is as follows：
The above is only the preferred embodiment of the utility model, it is noted that for the general of the art
For logical technical staff, without departing from the principle of this utility model, several improvements and modifications can also be made, these change
The scope of protection of the utility model is also should be regarded as into retouching.
Claims (10)
1. a kind of Three-coordinate measurer measuring thin wall special-shaped tube wave peak flat segments wall thickness, which is characterized in that including：
Platform；Three coordinate gauge heads, are used to measure measured object；Mobile mechanism makes above-mentioned three coordinates gauge head move；Control dress
It sets, controls above-mentioned mobile mechanism；
Detent mechanism, including,
Inner support locating rod：End is positioned by positioning region on platform, and the inner support locating rod outer diameter is less than the thin-walled
The inner cavity internal diameter of wave crest on special pipe side wall, the length of the inner support locating rod is more than the depth of inner cavity of the wave crest, described
The top of inner support locating rod is equipped with the support portion on the inner wall vertex for being used to support the wave crest；
Fixed cushion block：It is placed on the platform to support thin wall special-shaped pipe so that the top of the support portion and the thin-walled are different
The flat segments inner wall of shape pipe offsets.
2. a kind of Three-coordinate measurer measuring thin wall special-shaped tube wave peak flat segments wall thickness as described in claim 1, special
Sign is that the positioning region includes being clamped the scroll chuck of positioning to the inner support locating rod and being used for the three-jaw
Chuck is fixed on the magnet base on platform.
3. a kind of Three-coordinate measurer measuring thin wall special-shaped tube wave peak flat segments wall thickness as claimed in claim 2, special
Sign is that the length of the magnet base is 50-60mm, and the height of the magnet base is 50-70mm, and the width of the magnet base is
40-60mm。
4. a kind of Three-coordinate measurer measuring thin wall special-shaped tube wave peak flat segments wall thickness as claimed in claim 2, special
Sign is that the sum of magnet base length and scroll chuck axial length are less than the lumen diameter of thin wall special-shaped pipe.
5. a kind of Three-coordinate measurer measuring thin wall special-shaped tube wave peak flat segments wall thickness as described in claim 1, special
Sign is that the support portion is sphere.
6. a kind of Three-coordinate measurer measuring thin wall special-shaped tube wave peak flat segments wall thickness as claimed in claim 5, special
Sign is that the sphere diameter is 2-3mm, and spherome surface roughness Ra is 0.2-0.3 μm, and spherome surface profile tolerance is 0.004-
0.006mm。
7. a kind of Three-coordinate measurer measuring thin wall special-shaped tube wave peak flat segments wall thickness as claimed in claim 2, special
Sign is, the inner support locating rod includes concentric sequentially connected sphere, upper cylindrical bar, conical cylinder and lower cylindrical bar,
Wherein：The bottom end of the lower cylindrical bar and the scroll chuck clamping engagement, outer diameter and the circular cone of the lower cylindrical bar
The bottom end outer diameter of cylinder is identical, and the top outer diameter of the conical cylinder is identical as the outer diameter of upper cylindrical bar, and is less than institute
State the diameter of sphere.
8. a kind of Three-coordinate measurer measuring thin wall special-shaped tube wave peak flat segments wall thickness as claimed in claim 7, special
Sign is that the length of the upper cylindrical bar is more than the depth of the thin wall special-shaped pipe.
9. a kind of Three-coordinate measurer measuring thin wall special-shaped tube wave peak flat segments wall thickness as claimed in claim 7, special
Sign is, the length of the inner support locating rod is 50-60mm, upper cylinder shank diameter 1.5-2.5mm, sphere and upper cylindrical bar
Length 15mm, a diameter of 4-6mm of lower cylindrical bar.
10. a kind of Three-coordinate measurer measuring thin wall special-shaped tube wave peak flat segments wall thickness as claimed in claim 2, special
Sign is that the scroll chuck includes chuck body and drives three claws to clamp or open by claw driving mechanism.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820294912.8U CN207797948U (en) | 2018-03-02 | 2018-03-02 | A kind of Three-coordinate measurer measuring thin wall special-shaped tube wave peak flat segments wall thickness |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201820294912.8U CN207797948U (en) | 2018-03-02 | 2018-03-02 | A kind of Three-coordinate measurer measuring thin wall special-shaped tube wave peak flat segments wall thickness |
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| CN207797948U true CN207797948U (en) | 2018-08-31 |
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| CN201820294912.8U Expired - Fee Related CN207797948U (en) | 2018-03-02 | 2018-03-02 | A kind of Three-coordinate measurer measuring thin wall special-shaped tube wave peak flat segments wall thickness |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108253866A (en) * | 2018-03-02 | 2018-07-06 | 核工业理化工程研究院 | Measure the Three-coordinate measurer and its measuring method of thin wall special-shaped tube wave peak flat segments wall thickness |
| CN111854665A (en) * | 2019-04-29 | 2020-10-30 | 核工业理化工程研究院 | Wave crest wall thickness measuring and positioning device and measuring method for concave thin-wall special-shaped pipe |
-
2018
- 2018-03-02 CN CN201820294912.8U patent/CN207797948U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108253866A (en) * | 2018-03-02 | 2018-07-06 | 核工业理化工程研究院 | Measure the Three-coordinate measurer and its measuring method of thin wall special-shaped tube wave peak flat segments wall thickness |
| CN111854665A (en) * | 2019-04-29 | 2020-10-30 | 核工业理化工程研究院 | Wave crest wall thickness measuring and positioning device and measuring method for concave thin-wall special-shaped pipe |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180831 Termination date: 20200302 |