CN104677325B - Measuring instrument and measuring method of complex rotating part profile - Google Patents
Measuring instrument and measuring method of complex rotating part profile Download PDFInfo
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- CN104677325B CN104677325B CN201510081309.2A CN201510081309A CN104677325B CN 104677325 B CN104677325 B CN 104677325B CN 201510081309 A CN201510081309 A CN 201510081309A CN 104677325 B CN104677325 B CN 104677325B
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- linear displacement
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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
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/20—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring contours or curvatures, e.g. determining profile
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- General Physics & Mathematics (AREA)
- Length Measuring Devices With Unspecified Measuring Means (AREA)
Abstract
The invention discloses a measuring instrument and measuring method of complex rotating part profile. The measuring instrument comprises a chassis rotating motor, a clamping device, a gantry frame, a self-resetting linear displacement sensor, a sliding table, a guide rail, a linear stepping motor, a rotary chassis, a base and a clamping handle. According to the invention, the profile data of a workpiece to be measured is measured by the self-resetting linear displacement sensor; the displacement sensor can be driven to move by the motor and the profile data can be collected at the same time by only clamping the workpiece to be measured through the clamping device and connecting a data acquisition device with the displacement sensor; the invention is suitable for measuring the profiles of various complex rotating parts processed through spinning, forging, milling and the like, and has the advantages of compact structure, convenient operation, low equipment cost, reliable measurement and easy analysis of results.
Description
Technical field
The present invention relates to the complexity that revolving meber profile measurement field, especially suitable spinning, forging and stamping, milling etc. are shaped is returned
Turn the measuring instrument and its measuring method of part profile.
Background technology
Complicated revolving meber profile measurement is, towards complex revolving body workpiece, to be connect using Self-resetting linear displacement transducer pointwise
Touch the method that part surface to be measured measures.Easy to operate, the advantages of reliable, measuring accuracy is high of feeling relieved so as in spinning, forging
The measurement aspect of the workpiece profile such as pressure, milling can be generally applicable.
With the development of industrial technology, workpiece shapes tend to complicated, for the measurement of complex revolving body parts profile needs
Also more and more, artificial ruler measurement is wasted time and energy, and measurement result is not accurate enough and data that obtain are not disposable, measures
Data obtained by the measurement point that data are also simply randomly selected, can not reflect the real geomery of part, when workpiece shape
When the certainty of measurement of shape requires to improve, traditional measuring method can not meet for the measurement demand of this kind of part；Conventional
Three-coordinates measuring machine and non-contact image 3 D measuring instrument need to carry out point by point scanning or measurement to testee because of it, not only
High cost, measurement process is complicated, higher to the technical requirements of workman, and data processing has certain complexity.
The content of the invention
The purpose of the present invention is the gyroscopic characteristics according to revolving meber, overcomes existing e measurement technology high cost, measurement process multiple
The intractable shortcoming of miscellaneous, data, greatly simplifies the metering system and equipment needed thereby of revolving meber, there is provided one kind is specifically designed for complicated returning
Turn the profile measurer and its method for fast measuring of part.
The purpose of the present invention is achieved through the following technical solutions：A kind of complicated revolving meber profile measurer, including
Chassis turning motor, clamping device, portal frame, Self-resetting linear displacement transducer, slide unit, guide rail, linear stepping motor, rotation
Chassis, base and clamping crank；The portal frame and chassis turning motor are each attached on base, and chassis turning motor passes through two
Individual bevel gear coordinates driving swivel base to do gyration；Guide rail is fixed on portal frame；Linear stepping motor is fixed on guide rail
One end, its output shaft and guide rail parallel；Slide unit is arranged on guide rail, and Self-resetting linear displacement transducer is fixed on slide unit；
The position that guide rail is fixed causes Self-resetting linear displacement transducer when moving along guide rail, and its contact motion track is by rotating bottom
The center of circle of disk；Swivel base upper surface is provided with cross claw groove, and clamping device is made up of four claws and clamping driving turntable；
Clamp crank drives clamping driving turntable to rotate by bevel gear mechanism, clamps driving turntable by thread surface and claw thereon
The screw thread of bottom coordinates, and drives claw to do radial motion along the claw groove of swivel base, realizes the motion of claw clamping or release；
Self-resetting linear displacement transducer connects computer by data collecting card.
A kind of method for measuring complicated revolving meber appearance profile using above-mentioned measuring instrument, comprises the following steps：
（1）The position of claw and Self-resetting linear displacement transducer is adjusted according to measurement demand；
（2）Part to be measured is placed on swivel base, is rotated and is clamped crank by part to be measured centering clamping, unloaded clamping and shake
；
（4）Start linear stepping motor, make slide unit drive Self-resetting linear displacement transducer to do radial motion, Self-resetting is straight
Linear movement pick-up keeps the real-time contact with part to be measured because of its Self-resetting characteristic automatically, obtains part to be measured along radial direction shape
The pulse voltage signal of data；
（5）The pulse voltage signal that Self-resetting linear displacement transducer is collected is converted to this partly by filtering and amplification
These discrete points are obtained contour curve of the part to be measured along radial direction, by this by the discrete point in footpath direction using interpolation operation
Contour curve rotates a circle around central axis, obtains the surface outline curves of part to be measured；
（6）Start linear stepping motor, mobile Self-resetting linear displacement transducer is parked in it needs the zero of circumferential measurement
At part outline, starting chassis electric rotating machine makes swivel base drive part to be measured around central axis, obtains part to be measured circumferentially
The pulse voltage signal of direction shape data；
（7）The pulse voltage signal that Self-resetting linear displacement transducer is collected is filtered and enhanced processing, is changed
For the point that part to be measured is discrete on the circumferencial direction, then these discrete points are carried out into interpolation operation obtain part to be measured in circumferencial direction
Contour curve.
The invention has the beneficial effects as follows：The present invention realizes complicated revolving meber profile for the gyroscopic characteristics of revolving meber
Measurement, only needs simple controlled motor feeding, you can complete the measurement of revolving meber profile.Compared with traditional manual measurement, measurement
Data reliable, easy to operate and obtaining are disposable；Compare with image measurer with expensive three-coordinates measuring machine, greatly simplify
It is measuring apparatus and metering system, compact conformation, easy to operate, it is more suitable for the quick measurement of complicated revolving meber profile.
Description of the drawings
Fig. 1 is the structural representation of complicated revolving meber profile measurer；
Fig. 2 is chassis rotary drive mechanism schematic diagram；
Fig. 3 is clamping device transmission mechanism schematic diagram；
In figure, chassis turning motor 1, clamping device 2, portal frame 3, Self-resetting linear displacement transducer 4, slide unit 5, guide rail
6th, linear stepping motor 7, swivel base 8, base 9, clamping crank 10, clamp driving turntable 11.
Specific embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings.
As shown in figure 1, a kind of complicated revolving meber profile measurer of the present invention, including chassis turning motor 1, clamping device 2,
Portal frame 3, Self-resetting linear displacement transducer 4, slide unit 5, guide rail 6, linear stepping motor 7, swivel base 8, base 9 and clamping
Crank 10；The portal frame 3 and chassis turning motor 1 are each attached on base 9, as shown in Fig. 2 chassis turning motor 1 passes through
Two bevel gears coordinate driving swivel base 8 to do gyration.
Guide rail 6 is fixed on portal frame 3；Linear stepping motor 7 is fixed on one end of guide rail 6, and its output shaft and guide rail 6 are flat
OK；Slide unit 5 is arranged on guide rail 6, and Self-resetting linear displacement transducer 4 is fixed on slide unit 5；The position that guide rail 6 is fixed causes
When moving along guide rail 6, its contact motion track passes through the center of circle of swivel base 8 to Self-resetting linear displacement transducer 4.
As shown in figure 3, the upper surface of swivel base 8 is provided with cross claw groove, clamping device 2 is by four claws 2 and clamps
Driving turntable 11 is constituted；Clamp crank 10 drives clamping driving turntable 11 to rotate by bevel gear mechanism, clamps driving turntable 11
Coordinated by the screw thread of thread surface thereon and the bottom of claw 2, drive claw 2 to do radial motion along the claw groove of swivel base 8,
Realize the motion of the clamping of claw 2 or release；Self-resetting linear displacement transducer 4 connects computer by data collecting card.
During using measuring instrument of the present invention, clamping device and measurement apparatus are adjusted according to different measuring demand, by data acquisition
Clamping enters to drive, and starting motor can complete the measurement of part parts profile to be measured.
The method of the complicated revolving meber appearance profile of present invention measurement, comprises the following steps：
（1）The position of claw 2 and Self-resetting linear displacement transducer 4 is adjusted according to measurement demand；
（2）Part to be measured is placed on swivel base 8, is rotated and is clamped crank 10 by part to be measured centering clamping, unload clamping
Crank 10；
（4）Start linear stepping motor 7, make slide unit 5 drive Self-resetting linear displacement transducer 4 to do radial motion, runback
Position linear displacement transducer 4 keeps the real-time contact with part to be measured because of its Self-resetting characteristic automatically, obtains part to be measured along radius side
To the pulse voltage signal of shape data；
（5）The pulse voltage signal that Self-resetting linear displacement transducer 4 is collected is converted to this by filtering and amplification
These discrete points are obtained contour curve of the part to be measured along radial direction by the discrete point of radial direction using interpolation operation, will
The contour curve rotates a circle around central axis, obtains the surface outline curves of part to be measured；
（6）Start linear stepping motor 7, mobile Self-resetting linear displacement transducer 4 is parked in it needs circumferential measurement
At part outline, starting chassis electric rotating machine 1 makes swivel base 8 drive part to be measured around central axis, obtains part edge to be measured
The pulse voltage signal of circumferencial direction shape data；
（7）The pulse voltage signal that Self-resetting linear displacement transducer 4 is collected is filtered and enhanced processing, is changed
For the point that part to be measured is discrete on the circumferencial direction, then these discrete points are carried out into interpolation operation obtain part to be measured in circumferencial direction
Contour curve.
Claims (1)
1. the method that a kind of complicated revolving meber profile measurer of utilization measures complicated revolving meber appearance profile, the complicated revolving meber
Profile measurer, including chassis turning motor (1), clamping device, portal frame (3), Self-resetting linear displacement transducer (4), cunning
Platform (5), guide rail (6), linear stepping motor (7), swivel base (8), base (9) and clamping crank (10)；The portal frame (3)
It is each attached on base (9) with chassis turning motor (1), chassis turning motor (1) coordinates driving rotation by two bevel gears
Do gyration in chassis (8)；
Guide rail (6) is fixed on portal frame (3)；Linear stepping motor (7) is fixed on one end of guide rail (6), its output shaft and leads
Rail (6) is parallel；On guide rail (6), Self-resetting linear displacement transducer (4) is fixed on slide unit (5) slide unit (5)；Guide rail
(6) fixed position causes Self-resetting linear displacement transducer (4) when mobile along guide rail (6), and its contact motion track passes through
The center of circle of swivel base (8)；
Swivel base (8) upper surface is provided with cross claw groove, and clamping device is by four claws (2) and clamps driving turntable (11)
Composition；Clamp crank (10) drives clamping driving turntable (11) to rotate by bevel gear mechanism, clamps driving turntable (11) and passes through
Thereon the screw thread of thread surface and claw (2) bottom coordinates, and drives claw (2) to do radially fortune along the claw groove of swivel base (8)
It is dynamic, realize the motion of claw (2) clamping or release；Self-resetting linear displacement transducer (4) is calculated by data collecting card connection
Machine；Characterized in that, comprising the following steps：
(1) position of claw (2) and Self-resetting linear displacement transducer (4) is adjusted according to measurement demand；
(2) part to be measured is placed on swivel base (8), rotates and clamp crank (10) by part to be measured centering clamping, unload clamping
Crank (10)；
(4) start linear stepping motor (7), make slide unit (5) drive Self-resetting linear displacement transducer (4) to do radial motion, from
Reset linear displacement transducer (4) keeps the real-time contact with part to be measured because of its Self-resetting characteristic automatically, obtains part to be measured along half
The pulse voltage signal of footpath direction shape data；
(5) pulse voltage signal for collecting Self-resetting linear displacement transducer (4) is converted to this partly by filtering and amplification
These discrete points are obtained contour curve of the part to be measured along radial direction, by this by the discrete point in footpath direction using interpolation operation
Contour curve rotates a circle around central axis, obtains the surface outline curves of part to be measured；
(6) linear stepping motor (7) is started, mobile Self-resetting linear displacement transducer (4) is parked in it needs circumferential measurement
At part outline, starting chassis turning motor (1) makes swivel base (8) drive part to be measured around central axis, obtains to be measured
The pulse voltage signal of part along the circumferential direction shape data；
(7) pulse voltage signal that Self-resetting linear displacement transducer (4) is collected is filtered and enhanced processing, is changed
For the point that part to be measured is discrete on the circumferencial direction, then these discrete points are carried out into interpolation operation obtain part to be measured in circumferencial direction
Contour curve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510081309.2A CN104677325B (en) | 2015-02-14 | 2015-02-14 | Measuring instrument and measuring method of complex rotating part profile |
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| CN201510081309.2A CN104677325B (en) | 2015-02-14 | 2015-02-14 | Measuring instrument and measuring method of complex rotating part profile |
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| CN104677325A CN104677325A (en) | 2015-06-03 |
| CN104677325B true CN104677325B (en) | 2017-05-17 |
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| CN111521143A (en) * | 2020-05-21 | 2020-08-11 | 重庆科技学院 | Portable profile measuring instrument and control method thereof |
| CN111854669B (en) * | 2020-09-24 | 2021-06-08 | 索特传动设备有限公司 | Slewing bearing raceway contour detection device |
| CN113340335B (en) * | 2021-06-01 | 2023-03-14 | 江苏优直智能科技有限公司 | Automatic image detector |
| CN114131068B (en) * | 2021-11-05 | 2022-10-11 | 西安理工大学 | Four-claw automatic centering device and method based on end tooth transmission |
| CN114042947B (en) * | 2021-11-05 | 2022-10-11 | 西安理工大学 | Four-claw automatic centering device and method based on Morse cone combination |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87100478A (en) * | 1987-01-22 | 1988-08-03 | 黄岩机床附件厂 | A kind of combination chuck |
| JPH0861949A (en) * | 1994-08-24 | 1996-03-08 | Speedfam Co Ltd | Surface contour measuring device for surface plate and polishing pad |
| CN1354356A (en) * | 2001-12-27 | 2002-06-19 | 中国测试技术研究院 | Portable orifice-plate automatic measuring instrument |
| CN202074954U (en) * | 2011-04-08 | 2011-12-14 | 广东高新凯特精密机械股份有限公司 | Comprehensive precision detector for rolling linear guide rail pair |
| CN102661723A (en) * | 2012-05-29 | 2012-09-12 | 上海大量电子设备有限公司 | Six-axial numerical-control three-dimensional quick laser measurer |
-
2015
- 2015-02-14 CN CN201510081309.2A patent/CN104677325B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87100478A (en) * | 1987-01-22 | 1988-08-03 | 黄岩机床附件厂 | A kind of combination chuck |
| JPH0861949A (en) * | 1994-08-24 | 1996-03-08 | Speedfam Co Ltd | Surface contour measuring device for surface plate and polishing pad |
| CN1354356A (en) * | 2001-12-27 | 2002-06-19 | 中国测试技术研究院 | Portable orifice-plate automatic measuring instrument |
| CN202074954U (en) * | 2011-04-08 | 2011-12-14 | 广东高新凯特精密机械股份有限公司 | Comprehensive precision detector for rolling linear guide rail pair |
| CN102661723A (en) * | 2012-05-29 | 2012-09-12 | 上海大量电子设备有限公司 | Six-axial numerical-control three-dimensional quick laser measurer |
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| CN104677325A (en) | 2015-06-03 |
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