CN104677325A - 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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- CN104677325A CN104677325A CN201510081309.2A CN201510081309A CN104677325A CN 104677325 A CN104677325 A CN 104677325A CN 201510081309 A CN201510081309 A CN 201510081309A CN 104677325 A CN104677325 A CN 104677325A
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- displacement transducer
- 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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- 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 revolving meber profile measurement field, be especially suitable for measuring instrument and the measuring method thereof of the complicated revolving meber profile that spinning, forging and stamping, milling etc. shape.
Background technology
Complicated revolving meber profile measurement is towards complex revolving body workpiece, adopts Self-resetting linear displacement transducer pointwise contact measured part surface to carry out the method measured.Easy to operate, reliable, measuring accuracy advantages of higher of feeling relieved, enables it extensively be suitable in the measurement of the workpiece profiles such as spinning, forging and stamping, milling.
Along with the development of industrial technology, workpiece shapes is tending towards complicated, measurement for complex revolving body parts profile needs also to get more and more, artificial ruler measurement is wasted time and energy, measurement result not accurately and the data obtained not easily process, the data that the measurement point that the data recorded also just are randomly drawed obtains, can not reflect the real geomery of part, when the measuring accuracy of workpiece shapes requires to improve, traditional measuring method can not meet the measurement demand for 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, not only high cost because of it, and measuring process is complicated, higher to the technical requirement of workman, and data processing has certain complicacy.
Summary of the invention
The object of the invention is the gyroscopic characteristics according to revolving meber, overcome existing measuring technique high cost, measuring process complexity, the unmanageable shortcoming of data, the metering system of very big simplification revolving meber and equipment needed thereby, provide a kind of specially for profile measurer and the method for fast measuring thereof of complicated revolving meber.
The object of the invention is to be achieved through the following technical solutions: a kind of complicated revolving meber profile measurer, comprises chassis turning motor, clamp device, portal frame, Self-resetting linear displacement transducer, slide unit, guide rail, linear stepping motor, swivel base, base and clamping crank; Described portal frame and chassis turning motor are all fixed on base, and chassis turning motor coordinates driving swivel base to do gyration by two conical gear; Guide rail is fixed on portal frame; Linear stepping motor is fixed on one end of guide rail, 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 makes Self-resetting linear displacement transducer when moving along guide rail, and its contact motion track is by the center of circle of swivel base; Swivel base upper surface has cruciform claw groove, and clamp device is made up of four claws and clamping driving turntable; Clamping crank drives clamping driving turntable to rotate by conical gear mechanism, and clamping driving turntable, by the threaded engagement bottom its upper surface screw thread and claw, drives claw to do radial motion along the claw groove of swivel base, the motion realizing claw clamping or unclamp; Self-resetting linear displacement transducer connects computing machine by data collecting card.
Utilize above-mentioned measuring instrument to measure a method for complicated revolving meber appearance profile, comprise the following steps:
(1) position of claw and Self-resetting linear displacement transducer is adjusted according to measurement demand;
(2) to be measured is placed on swivel base, rotates clamping crank by be measured centering clamping, unload clamping crank;
(4) linear stepping motor is started, slide unit is made to drive Self-resetting linear displacement transducer to do radial motion, Self-resetting linear displacement transducer keeps the real-time contact with to be measured automatically because of its Self-resetting characteristic, obtains to be measured the pulse voltage signal along radial direction shape data;
(5) pulse voltage signal collected by Self-resetting linear displacement transducer is converted to the discrete point of this radial direction by filtering and amplification, interpolation operation is used to obtain to be measured the contour curve along radial direction these discrete points, this contour curve is rotated a circle around central axis, obtains the surface outline curves of to be measured;
(6) linear stepping motor is started, mobile Self-resetting linear displacement transducer makes it be parked in the part outline place needing circumference to measure, starting chassis electric rotating machine makes swivel base drive to be measured around central axis, obtains the pulse voltage signal of to be measured along the circumferential direction shape data;
(7) pulse voltage signal that Self-resetting linear displacement transducer collects carried out filtering and amplify process, being converted to be measured at this circumferentially discrete point, then these discrete points being carried out interpolation operation and obtain to be measured the contour curve at circumferencial direction.
The invention has the beneficial effects as follows: the gyroscopic characteristics that the present invention is directed to revolving meber, achieve the measurement of complicated revolving meber profile, only simply need control motorized feed, the measurement of revolving meber profile can be completed.Compared with traditional manual measurement, measure reliable, easy and simple to handle and data obtained and easily process; Compare with image measurer with the three-coordinates measuring machine of costliness, enormously simplify measuring equipment and metering system, compact conformation, easy to operate, be more suitable for the Quick Measurement of complicated revolving meber profile.
Accompanying drawing explanation
Fig. 1 is the structural representation of complicated revolving meber profile measurer;
Fig. 2 is chassis rotary drive mechanism schematic diagram;
Fig. 3 is clamp device gear train schematic diagram;
In figure, chassis turning motor 1, clamp 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, clamping crank 10, clamping driving turntable 11.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in further detail.
As shown in Figure 1, a kind of complicated revolving meber profile measurer of the present invention, comprises chassis turning motor 1, clamp 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; Described portal frame 3 and chassis turning motor 1 are all fixed on base 9, and as shown in Figure 2, chassis turning motor 1 coordinates driving swivel base 8 to do gyration by two conical gear.
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 is parallel with guide rail 6; 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 makes Self-resetting linear displacement transducer 4 when moving along guide rail 6, and its contact motion track is by the center of circle of swivel base 8.
As shown in Figure 3, swivel base 8 upper surface has cruciform claw groove, and clamp device 2 is made up of four claws 2 and clamping driving turntable 11; Clamping crank 10 drives clamping driving turntable 11 to rotate by conical gear mechanism, clamping driving turntable 11 is by the threaded engagement bottom its upper surface screw thread and claw 2, drive claw 2 to do radial motion along the claw groove of swivel base 8, realize the motion that claw 2 clamps or unclamps; Self-resetting linear displacement transducer 4 connects computing machine by data collecting card.
When using measuring instrument of the present invention, according to different measuring demand adjustment clamp device and measurement mechanism, data collecting card access driven, starter motor can complete the measurement of to be measured parts profile.
The present invention measures the method for complicated revolving meber appearance profile, comprises the following steps:
(1) position of claw 2 and Self-resetting linear displacement transducer 4 is adjusted according to measurement demand;
(2) to be measured is placed on swivel base 8, rotates clamping crank 10 by be measured centering clamping, unload clamping crank 10;
(4) linear stepping motor 7 is started, slide unit 5 is made to drive Self-resetting linear displacement transducer 4 to do radial motion, Self-resetting linear displacement transducer 4 keeps the real-time contact with to be measured automatically because of its Self-resetting characteristic, obtains to be measured the pulse voltage signal along radial direction shape data;
(5) pulse voltage signal collected by Self-resetting linear displacement transducer 4 is converted to the discrete point of this radial direction by filtering and amplification, interpolation operation is used to obtain to be measured the contour curve along radial direction these discrete points, this contour curve is rotated a circle around central axis, obtains the surface outline curves of to be measured;
(6) linear stepping motor 7 is started, mobile Self-resetting linear displacement transducer 4 makes it be parked in the part outline place needing circumference to measure, starting chassis electric rotating machine 1 makes swivel base 8 drive to be measured around central axis, obtains the pulse voltage signal of to be measured along the circumferential direction shape data;
(7) pulse voltage signal that Self-resetting linear displacement transducer 4 collects carried out filtering and amplify process, be converted to be measured at this circumferentially discrete point, then these discrete points carried out interpolation operation and obtain to be measured the contour curve at circumferencial direction.
Claims (2)
1. a complicated revolving meber profile measurer, it is characterized in that, comprise chassis turning motor (1), clamp 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); Described portal frame (3) and chassis turning motor (1) are all fixed on base (9), and chassis turning motor (1) coordinates driving swivel base (8) to do gyration by two conical gear;
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 is parallel with guide rail (6); 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 makes Self-resetting linear displacement transducer (4) when mobile along guide rail (6), and its contact motion track is by the center of circle of swivel base (8);
Swivel base (8) upper surface has cruciform claw groove, and clamp device (2) is made up of four claws (2) and clamping driving turntable (11); Clamping crank (10) drives clamping driving turntable (11) to rotate by conical gear mechanism, clamping driving turntable (11) is by the threaded engagement bottom its upper surface screw thread and claw (2), drive claw (2) to do radial motion along the claw groove of swivel base (8), realize the motion that claw (2) clamps or unclamps; Self-resetting linear displacement transducer (4) connects computing machine by data collecting card.
2. utilize measuring instrument described in claim 1 to measure a method for complicated revolving meber appearance profile, it is characterized in that, comprise the following steps:
(1) position of claw (2) and Self-resetting linear displacement transducer (4) is adjusted according to measurement demand;
(2) to be measured is placed on swivel base (8), rotates clamping crank (10) by be measured centering clamping, unload clamping crank (10);
(4) linear stepping motor (7) is started, slide unit (5) is made to drive Self-resetting linear displacement transducer (4) to do radial motion, Self-resetting linear displacement transducer (4) keeps the real-time contact with to be measured automatically because of its Self-resetting characteristic, obtains to be measured the pulse voltage signal along radial direction shape data;
(5) pulse voltage signal collected by Self-resetting linear displacement transducer (4) is converted to the discrete point of this radial direction by filtering and amplification, interpolation operation is used to obtain to be measured the contour curve along radial direction these discrete points, this contour curve is rotated a circle around central axis, obtains the surface outline curves of to be measured;
(6) linear stepping motor (7) is started, mobile Self-resetting linear displacement transducer (4) makes it be parked in the part outline place needing circumference to measure, starting chassis electric rotating machine (1) makes swivel base (8) drive to be measured around central axis, obtains the pulse voltage signal of to be measured along the circumferential direction shape data;
(7) pulse voltage signal that Self-resetting linear displacement transducer (4) collects carried out filtering and amplify process, be converted to be measured at this circumferentially discrete point, then these discrete points carried out interpolation operation and obtain to be measured the contour curve at circumferencial direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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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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| 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 true CN104677325A (en) | 2015-06-03 |
| CN104677325B CN104677325B (en) | 2017-05-17 |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107121116A (en) * | 2017-05-25 | 2017-09-01 | 重庆大学 | Screw type face combination property detection platform |
| CN107829934A (en) * | 2017-10-27 | 2018-03-23 | 浙江精雷电器股份有限公司 | The rotary work-table of off-line type sound disk Performance Match testboard |
| CN108426548A (en) * | 2018-06-13 | 2018-08-21 | 苏州绿的谐波传动科技有限公司 | A kind of thread testing machine |
| CN111521143A (en) * | 2020-05-21 | 2020-08-11 | 重庆科技学院 | Portable profile measuring instrument and control method thereof |
| CN111854669A (en) * | 2020-09-24 | 2020-10-30 | 索特传动设备有限公司 | Slewing bearing raceway contour detection device |
| CN112325746A (en) * | 2020-11-16 | 2021-02-05 | 安徽百世佳包装有限公司 | Special size detection device of bottle lid |
| CN113340335A (en) * | 2021-06-01 | 2021-09-03 | 江苏优直智能科技有限公司 | Automatic image detector |
| CN114042947A (en) * | 2021-11-05 | 2022-02-15 | 西安理工大学 | Four-claw automatic centering device and method based on Morse cone combination |
| CN114131068A (en) * | 2021-11-05 | 2022-03-04 | 西安理工大学 | Four-claw automatic aligning device and method based on end tooth transmission |
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| 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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2015
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107121116A (en) * | 2017-05-25 | 2017-09-01 | 重庆大学 | Screw type face combination property detection platform |
| CN107829934A (en) * | 2017-10-27 | 2018-03-23 | 浙江精雷电器股份有限公司 | The rotary work-table of off-line type sound disk Performance Match testboard |
| CN108426548A (en) * | 2018-06-13 | 2018-08-21 | 苏州绿的谐波传动科技有限公司 | A kind of thread testing machine |
| CN111521143A (en) * | 2020-05-21 | 2020-08-11 | 重庆科技学院 | Portable profile measuring instrument and control method thereof |
| CN111854669A (en) * | 2020-09-24 | 2020-10-30 | 索特传动设备有限公司 | Slewing bearing raceway contour detection device |
| CN112325746A (en) * | 2020-11-16 | 2021-02-05 | 安徽百世佳包装有限公司 | Special size detection device of bottle lid |
| CN113340335A (en) * | 2021-06-01 | 2021-09-03 | 江苏优直智能科技有限公司 | Automatic image detector |
| CN113340335B (en) * | 2021-06-01 | 2023-03-14 | 江苏优直智能科技有限公司 | Automatic image detector |
| CN114042947A (en) * | 2021-11-05 | 2022-02-15 | 西安理工大学 | Four-claw automatic centering device and method based on Morse cone combination |
| CN114131068A (en) * | 2021-11-05 | 2022-03-04 | 西安理工大学 | Four-claw automatic aligning device and method based on end tooth transmission |
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| Publication number | Publication date |
|---|---|
| CN104677325B (en) | 2017-05-17 |
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