CN107063216B - A kind of hole extruding quasi- method and apparatus of plug perpendicularity correction based on laser measurement - Google Patents
A kind of hole extruding quasi- method and apparatus of plug perpendicularity correction based on laser measurement Download PDFInfo
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- CN107063216B CN107063216B CN201710412921.2A CN201710412921A CN107063216B CN 107063216 B CN107063216 B CN 107063216B CN 201710412921 A CN201710412921 A CN 201710412921A CN 107063216 B CN107063216 B CN 107063216B
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- laser measurement
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- measurement
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- hole
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C15/00—Surveying instruments or accessories not provided for in groups G01C1/00 - G01C13/00
- G01C15/12—Instruments for setting out fixed angles, e.g. right angles
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- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Straightening Metal Sheet-Like Bodies (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
The present invention proposes that a kind of hole based on laser measurement squeezes the quasi- method and apparatus of plug perpendicularity correction, and device includes three laser measurement sensors, mounting ring and data processing module；Three laser measurement sensors are uniformly distributed and are mounted in mounting ring, and mounting ring is fixed on press crown bottom surface；Data processing module receives the measurement point range information of laser measurement sensor acquisition and calculates.The present invention ensure that laser measurement sensor is equally spaced from each other and in the same plane by the way that laser measurement sensor to be fixed in mounting ring.It using the measurement function of multiple laser measurement sensors, avoids and visually observes bring error, improve data precision, guarantee going on smoothly for hole extruding, reduce defect ware rate, improve working efficiency.The calibrator is small in size, can use in smaller space, and can be used for the level detection compared with facet.It can be realized by using laser measurement sensor and not contact tested surface and obtain the function of its levelness information, to judge whether plug is vertical with press ram.
Description
Technical field
The present invention relates to metal aperture extrusion technique fields.It is squeezed specifically, auricle hole can be checked the present invention relates to one kind
The laser calibration method of plug verticality in pressure.The invention further relates to the laser calibrations of plug verticality in a kind of extruding of auricle hole
Device.
Background technique
Pored component in aircaft configuration is easy to appear fatigue problem, for the fatigability for improving airplane parts central hole structure
Can, its safe operating life is improved, frequently with techniques such as cold holes expansion, shot peening strengthening, Surface thermo-chemical treatments.Wherein, hole
Extrusion hardening is widely used because its is simple and effective.
In the cold holes expansion technique of auricle, auricle is placed on the fixture below press machine first, then by core
Stick is inserted into auricle hole, and slowly adjusting press crown makes pressure head and core rod touch.Then certain speed is pressed by plug pressure
Enter, until plug active section passes through completely and is detached from hole.Need to ensure plug and coaxial, the Cai Nengbao that is extruded hole in the extrusion process of hole
Plug axis and pressure head plane perpendicular are demonstrate,proved, ideal coldworking strengthened effect is obtained, so the verticality of plug is by direct shadow
The fatigue of the quality and pore structure of ringing hole increases Shou Xiaoyi.If relatively large deviation occurs in plug verticality, hole squeezing effect will lead to not
Good, defect ware rate is excessively high.Plug verticality is adjusted using the method for visually observing with being manually operated at present, this method effect
Rate is low, error is big, does not ensure that enough precision.
Because plug is usually standard component, upper surface is vertical with own axes, and in addition pored component to be fortified is in fixture
After upper installation, it can guarantee the axially bored line and press ram plane perpendicular of pored component by process for leveling, so to plug
Verticality examine and can be equivalent to the inspection of parallel degree between plug upper surface and press ram bottom surface, if can ensure that plug
Upper surface is parallel with press ram bottom surface, then plug verticality can be made to meet the requirements.
In the prior art, a kind of laser digital display type level tester proposed in patent of invention CN104880174A, can be real
The gradient measurement of existing measured object and digitlization display.When measuring plane levelness, pedestal need to be statically placed in tested the device
Above plane, however the plug and unlocked and plug upper surface in the extrusion process of hole are too small, cannot achieve the placement of level meter.
In addition, the space between plug and press ram is limited, this will also make troubles for operation.
The verticality nucleus correcting system proposed in patent of invention CN105598595A, avoids in the prior art visually observe
With the measurement method of contact, but due to the angle limitation between measurement sensor measurement directions different in the system, the school
Core system is appropriate only for checking for the horizontal of larger plane, and plug upper surface area is too small, can not take the school of the system
Kernel method.
Therefore, it is necessary to design one kind without contacting measured surface, and it is applicable to the miniature laser detected compared with facet
Measuring instrument, to reach the function of horizontal plane measurement, assist operators carry out quickly calibrated and amendment to plug verticality.
Summary of the invention
In order to solve the problems existing in the prior art, the present invention proposes that a kind of hole based on laser measurement squeezes plug verticality
Calibration method and device can quickly and accurately differentiate the vertical extent between plug and press ram bottom surface.
The technical solution of the present invention is as follows:
A kind of hole based on laser measurement squeezes the quasi- method of plug perpendicularity correction, it is characterised in that: including following step
It is rapid:
Step 1: setting datum level: taking press crown bottom surface as benchmark face, by adjusting press ram fitting machine
Structure makes press ram bottom surface be parallel to datum level；
Step 2: first laser measurement sensor, second laser measurement sensor and third laser measurement sensor will be housed
Mounting ring be fixed on press crown bottom surface, and ring set is installed on the outside of press ram；And according to the installation of mounting ring
Position determines coordinate of three laser measurement sensors in the reference axis in measurement coordinate system perpendicular to datum level；
Step 3: measurement data: the first measurement point on first laser measurement sensor measured hole extrusion die plane rod end away from
From, the second measurement point distance on second laser measurement sensor measured hole extrusion die plane rod end, third laser measurement sensor
Third measurement point distance on measured hole extrusion die plane rod end, and three measurement points are not on the extrusion die plane rod end of plug hole
On same straight line；
Step 4: the laser axis and measurement coordinate system of the data and three laser measurement sensors that are measured according to step 3
In perpendicular to datum level reference axis drift angle, be calculated three measurement points measurement coordinate system in perpendicular to datum level seat
Coordinate on parameter, and judge whether hole extrusion die plane rod end is parallel with datum level according to the coordinate being calculated, if in parallel,
Indicate that hole squeezes plug and press ram plane perpendicular.
A kind of hole based on laser measurement squeezes plug perpendicularity correction standard apparatus, it is characterised in that: swashs including three
Light measuring sensor, mounting ring and data processing module；First laser measurement sensor, second laser measurement sensor and third
Laser measurement sensor, which is uniformly distributed, to be mounted in mounting ring, and mounting ring is fixed on press crown bottom surface；Data processing mould
Block receives the measurement point range information of laser measurement sensor acquisition and calculates.
Beneficial effect
The present invention ensure that laser measurement sensor is equally spaced from each other by the way that laser measurement sensor to be fixed in mounting ring
And it is in the same plane.Using the measurement function of multiple laser measurement sensors, avoids and visually observe bring error, mention
High data precision guarantees that hole squeezed goes on smoothly, reduces defect ware rate, improve working efficiency.The calibrator is small in size, can
It is used in smaller space, and can be used for the level detection compared with facet.It can be realized and not connect by using laser measurement sensor
It touches tested surface and obtains the function of its levelness information, to judge whether plug is vertical with press ram.
Additional aspect and advantage of the invention will be set forth in part in the description, and will partially become from the following description
Obviously, or practice through the invention is recognized.
Detailed description of the invention
Above-mentioned and/or additional aspect of the invention and advantage will become from the description of the embodiment in conjunction with the following figures
Obviously and it is readily appreciated that, in which:
Fig. 1 is that hole squeezes the quasi- method flow diagram of plug perpendicularity correction.
Fig. 2 is that hole squeezes plug perpendicularity correction standard apparatus schematic diagram.
In figure: 1- press crown, 2- mounting ring, 3- press ram, 4- first laser measurement sensor, 5- second
Laser measurement sensor, 6- third laser measurement sensor, 7- plug, 8- auricle.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to is used to explain the present invention, and is not considered as limiting the invention.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside", " up time
The orientation or positional relationship of the instructions such as needle ", " counterclockwise " is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of
The description present invention and simplified description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with spy
Fixed orientation construction and operation, therefore be not considered as limiting the invention.
Furthermore, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Therefore, define " first ", the feature of " second " can be expressed or
Implicitly include one or more of the features.In the description of the present invention, the meaning of " plurality " is two or more,
Unless otherwise specifically defined.
It is a kind of specific embodiment flow chart provided by the present invention with reference to Fig. 1.In the present embodiment, plug and pressure
The calibration of compressing head plane perpendicular degree mainly includes four steps, in which:
Step 1: setting datum level: taking press crown bottom surface as benchmark face, by adjusting press ram fitting machine
Structure makes press ram bottom surface be parallel to datum level；Since plug is usually cylindrical body, so plug axis and press ram
The vertical extent of bottom surface is examined, and the parallel degree that can be equivalent to plug upper surface and horizontal plane is examined.
Step 2: first laser measurement sensor, second laser measurement sensor and third calibrating installation installation: will be housed
The mounting ring of laser measurement sensor is fixed on press crown bottom surface, and installs ring set on the outside of press ram, and really
The center of circle for protecting mounting ring is located substantially at crossbeam bottom center.When the position of mounting ring is set, it should be noted that laser measurement sensor
The laser launched will not be stopped in the optical path for being irradiated to plug upper surface by pressure head.The quantity of laser measurement sensor can root
It is increased and decreased according to concrete condition, but all needs the measurement point of measure-axis upper surface three or more number.According to the peace of mounting ring
Holding position can determine coordinate of three laser measurement sensors in the reference axis in measurement coordinate system perpendicular to datum level.
Step 3: measurement data: three laser measurement sensors of starting, first laser measurement sensor measured hole extrusion die
The first measurement point distance on plane rod end, the second measurement point on second laser measurement sensor measured hole extrusion die plane rod end away from
From third measurement point distance on the extrusion die plane rod end of third laser measurement sensor measurement hole is corresponding in plug upper surface
The position of three measurement points is selected without mandatory requirement, but should be noted that three measurement points are not on the extrusion die plane rod end of plug hole
On same straight line.
Step 4: data processing: the laser axis of the data and three laser measurement sensors that are measured according to step 3 and survey
It measures in coordinate system perpendicular to the drift angle of the reference axis of datum level, three measurement points is calculated in measurement coordinate system perpendicular to base
Coordinate in the reference axis in quasi- face, and according to the coordinate being calculated, according to theorem " 3 points not point-blank is crossed, are had
And only one plane " plane information locating for plug upper surface is obtained, judge whether hole extrusion die plane rod end is parallel with datum level,
If parallel, then it represents that hole squeezes plug and press ram plane perpendicular.
With reference to Fig. 2, the present invention also provides the holes based on laser measurement to squeeze plug perpendicularity correction standard apparatus, including fixation
Mounting ring 2 in 1 bottom surface of press crown is equidistantly equipped with first laser measurement sensor 4 in mounting ring 2, second laser is surveyed
Quantity sensor 5 and third laser measurement sensor 6.The calibrating installation further includes data processor, which is mainly used for connecing
It receives on first laser measurement sensor 4, second laser measurement sensor 5 and the collected plug 7 of third laser measurement sensor 6
The range information of surface measurement point judges the verticality of plug 7 by processing.Plug 7 is erect in advance and is inserted in auricle 8
In aperture.
Plug verticality calibrating principle is as follows: 1 bottom surface of press crown being denoted as datum level, and ensures press ram
3 bottom surfaces are parallel with 1 bottom surface of press crown.If therefore 7 upper surface of plug is parallel to the horizontal plane, 7 upper surface of plug and pressure
3 bottom surface of press ram is also parallel.Since plug 7 is usually cylindrical body, then know that 7 axis of plug and 3 bottom surface of press ram hang down
Directly.It is achieved in the purpose of calibration plug verticality.
When the position of mounting ring 2 is set, it should be noted that the laser that laser measurement sensor emission goes out table on being irradiated to plug 7
It will not be stopped by press ram 3 in the optical path in face.Laser measurement number of sensors can be increased or decreased as the case may be, but
It requires to obtain the spatial position coordinate of the measurement point of 7 upper surface at least three of plug not on the same line.Theoretically, the dress
It sets and 1 ° should be less than for the planar horizontal measurement accuracy of tested surface.
Calibrate specific implementation step are as follows:
1. mounting ring 2 and 1 bottom surface of press crown are fixed, adjust to suitable position；
2. auricle 8 is placed in below press machine on fixture, make to use meat first in insertion 8 aperture of auricle of 7 lower end of plug
Eye observation, adjustment plug 7 are substantially vertical with 8 place plane of auricle；
3. starting three laser measurement sensors on 1 bottom surface of press crown, it is corresponding that plug upper surface is measured respectively
The distance of three measurement points；
4. data processor carries out calculating analysis to the distance of gained measurement point, show that plane locating for 7 upper surface of plug is believed
Breath, and judge whether 7 upper surface of plug is parallel with horizontal plane；
5. if in parallel, know plug 7 and 3 plane perpendicular of press ram；If not parallel, 7 verticality of plug, which does not reach, to be wanted
It asks, adjusts plug 7, repeat the 3rd to step 5, until result is met the requirements.
Fixture pressure head and plug 7 are contacted 6. slowly adjusting press crown 1, carries out remaining hole extrusion operation.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is not considered as limiting the invention, those skilled in the art are not departing from the principle of the present invention and objective
In the case where can make changes, modifications, alterations, and variations to the above described embodiments within the scope of the invention.
Claims (1)
1. a kind of hole based on laser measurement squeezes the quasi- method of plug perpendicularity correction, it is characterised in that: the following steps are included:
Step 1: setting datum level: taking press crown bottom surface as benchmark face, by adjusting press ram installing mechanism, make
Press ram bottom surface is parallel to datum level；
Step 2: first laser measurement sensor, the peace of second laser measurement sensor and third laser measurement sensor will be housed
Dress ring is fixed on press crown bottom surface, and installs ring set on the outside of press ram；And according to the installation site of mounting ring,
Determine coordinate of three laser measurement sensors in the reference axis in measurement coordinate system perpendicular to datum level；
Step 3: measurement data: the first measurement point distance on first laser measurement sensor measured hole extrusion die plane rod end, the
The second measurement point distance on dual-laser measurement sensor measured hole extrusion die plane rod end, third laser measurement sensor measurement hole
Third measurement point distance on extrusion die plane rod end, and three measurement points are not at always on the extrusion die plane rod end of plug hole
On line；
Step 4: hanging down in the laser axis and measurement coordinate system of the data and three laser measurement sensors that are measured according to step 3
Directly in the drift angle of the reference axis of datum level, three measurement points are calculated in measurement coordinate system perpendicular to the reference axis of datum level
On coordinate, and judge whether hole extrusion die plane rod end parallel with datum level according to the coordinate that is calculated, if in parallel, then it represents that
Hole squeezes plug and press ram plane perpendicular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710412921.2A CN107063216B (en) | 2017-06-05 | 2017-06-05 | A kind of hole extruding quasi- method and apparatus of plug perpendicularity correction based on laser measurement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710412921.2A CN107063216B (en) | 2017-06-05 | 2017-06-05 | A kind of hole extruding quasi- method and apparatus of plug perpendicularity correction based on laser measurement |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107063216A CN107063216A (en) | 2017-08-18 |
| CN107063216B true CN107063216B (en) | 2019-07-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710412921.2A Expired - Fee Related CN107063216B (en) | 2017-06-05 | 2017-06-05 | A kind of hole extruding quasi- method and apparatus of plug perpendicularity correction based on laser measurement |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108101354B (en) * | 2017-12-29 | 2023-11-03 | 通鼎互联信息股份有限公司 | Automatic adjusting device and adjusting method for straightness of core rod of optical fiber preform |
| CN109029241A (en) * | 2018-10-25 | 2018-12-18 | 北京理工大学 | A kind of verticality measurement device |
| CN110095071B (en) * | 2019-05-27 | 2021-05-18 | 延锋彼欧汽车外饰系统有限公司 | Electronic measurement checking fixture and electronic measurement method |
| CN112304253A (en) * | 2020-09-15 | 2021-02-02 | 电子科技大学 | Non-contact measurement and adjustment method for parallelism and coaxiality of optical mirror |
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|---|---|---|---|---|
| JP2004279190A (en) * | 2003-03-14 | 2004-10-07 | Nippon Sharyo Seizo Kaisha Ltd | Instrument for measuring obliquity of foundation pillar as against verticality and construction controller |
| CN102183218A (en) * | 2011-01-06 | 2011-09-14 | 马鞍山马钢华阳设备诊断工程有限公司 | On-line detection method of wheel steel billet angular deviation and detection system thereof |
| CN103499312A (en) * | 2013-10-22 | 2014-01-08 | 无锡俊达测试技术服务有限公司 | Plane parallelism measurement device |
| CN104344818A (en) * | 2013-07-29 | 2015-02-11 | 上海航天设备制造总厂 | Vertical detection device and method |
| CN104759945A (en) * | 2015-03-25 | 2015-07-08 | 西北工业大学 | Mobile hole-making robot standard alignment method based on high precision industrial camera |
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2017
- 2017-06-05 CN CN201710412921.2A patent/CN107063216B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004279190A (en) * | 2003-03-14 | 2004-10-07 | Nippon Sharyo Seizo Kaisha Ltd | Instrument for measuring obliquity of foundation pillar as against verticality and construction controller |
| CN102183218A (en) * | 2011-01-06 | 2011-09-14 | 马鞍山马钢华阳设备诊断工程有限公司 | On-line detection method of wheel steel billet angular deviation and detection system thereof |
| CN104344818A (en) * | 2013-07-29 | 2015-02-11 | 上海航天设备制造总厂 | Vertical detection device and method |
| CN103499312A (en) * | 2013-10-22 | 2014-01-08 | 无锡俊达测试技术服务有限公司 | Plane parallelism measurement device |
| CN104759945A (en) * | 2015-03-25 | 2015-07-08 | 西北工业大学 | Mobile hole-making robot standard alignment method based on high precision industrial camera |
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