CN209416273U - A kind of laser and optics composite probe measuring device - Google Patents

Abstract

The utility model provides a kind of laser and optics composite probe measuring device, including a three coordinate machine, side headstock on three coordinate machine is set, the angle the B rotating part of side headstock bottom is set, the optical lens assembly being connect with rotating part, plug-in mounting base on optical lens assembly is set, laser lens component in plug-in mounting base is set, and micro-adjusting mechanism is provided in plug-in mounting base, the optical lens assembly includes the angle the A rotating part connecting with the angle B rotating part, the angle A rotating part is fixed with turntable, the turntable is fixed in the angle the B adjusting seat being arranged inside optical lens shield, the angle B adjusting seat one end is provided with adjustment frame, industrial camera is provided on the adjustment frame, lens module is provided on the industrial camera, the top ring light of lens module front end is set.

Description

A kind of laser and optics composite probe measuring device

Technical field

The utility model provides a kind of laser and optical composite probe measuring technique and structure, in particular to compound survey The coordinate system creation of head and scanning survey more particularly to a kind of laser and optics composite probe measuring device.

Background technique

When being at present that reply market measures 3D glass or other need the curved surface of non-contact measurement, mostly uses a little swash greatly Flash ranging head.

When point laser feeler scans sampling site, minimum takes a limitation at interval, causes single when without obvious corner angle feature It solely uses and is difficult to create coordinate system when dot laser, high-acruracy survey is not suitable for if using fixture, if centainly using dot laser Side method sampling site is sought then to require high with equipment to measured piece feature and take a significant amount of time.Therefore it is being surveyed using dot laser merely There is larger limitation in amount scheme, data processing and adaptability.And it is generally used for completing perpendicular to the smaller drift angle of laser path The measurement of feature, when needing to carry out big drift angle pattern measurement, as drift angle increases measurement accuracy, can quickly decrease up to can not Measurement.At this time for complete measurement need to increase with the 4th axis turntable, complete to measure in a manner of four-axle linked, further from program processing and Stacked data closes increase difficulty, and hardware cost is caused to be substantially increased.

Utility model content

The utility model provides the measuring technique of a kind of dot laser and optics composite probe, can be solved by the technology single The adaptability problem of point laser feeler can quickly and easily create coordinate system.And at the same time solving when big measurement of angle under precision The problem of dropping or being unable to measure, solves the technological difficulties for needing four-axle linked measurement, and measuring machine can be used directly in new technical solution Three-shaft linkage cooperates gauge head corner to complete measurement.

The technical solution adopted in the utility model are as follows:

The utility model provides a kind of laser and optics composite probe measuring device, including a three coordinate machine, and setting exists Side headstock on three coordinate machine, is arranged in the angle the B rotating part of side headstock bottom, the optical lens assembly connecting with rotating part, if The plug-in mounting base on optical lens assembly is set, the laser lens component in plug-in mounting base is set, and in plug-in peace It is provided with micro-adjusting mechanism on dress seat, the optical lens assembly includes the angle the A rotating part connecting with the angle B rotating part, the angle the A rotation Transfer part is fixed with turntable, and the turntable is fixed in the angle the B adjusting seat being arranged inside optical lens shield, the angle B adjusting seat one end It is provided with adjustment frame, industrial camera is provided on the adjustment frame, lens module is provided on the industrial camera, is arranged in camera lens The top ring light of mould group front end；The micro-adjusting mechanism includes the angle A adjusting seat, and the parallel adjustment machine of the angle A adjusting seat bottom is arranged in Structure, is arranged in the laser lens component on parallel adjusting mechanism, and the laser lens component includes that setting is including laser lens The fiber-optic signal line on laser lens shield inside center line is arranged in shield, the laser mirror with the coaxial arrangement of fiber-optic signal line Head group, the optical lens assembly axis, laser lens arrangement axis are parallel with measuring head base axis.

Further, adjustment screw in the angle B is provided in the adjusting seat of the angle B；The angle A tune is provided in the adjusting seat of the angle A Whole screw is provided with parallel adjustment screw on the parallel adjusting mechanism.

Further, the three coordinate machine includes pedestal, the bracket being set on the base, and the mobile cross on bracket is arranged in The measurement pedestal on moving beam is arranged in beam, and the side headstock setting is on measurement pedestal.

The utility model has the following beneficial effects:

Its composite probe system can be directly mounted under measuring head base, and rotated and rotated with measuring head base, be provided different Visual angle and laser measurement path.

It proposes the technical solution of composite probe calibration, can carry out data measured by point laser feeler, optical measuring head The point information post-process, being fitted under same coordinate system.And the program extends to different measuring head base corners.

It, which is proposed, creates coordinate system using optical measuring head, and the technical solution that point laser feeler is scanned effectively solves Dot laser can not create the creation coordinate system time under coordinate system and specific condition, and time-consuming, the low problem of precision.

It is proposed using the rotatable characteristic of measuring head base, is improved point laser feeler and is measured big drift angle feature definition decline or nothing The problem of method measures.

It proposes segmentation overlapping measurement, and the scheme for completing measurement is fitted by data, is rotated plus is measured by measuring head base Machine three-shaft linkage effectively substitutes the four-axle linked measuring technique scheme of conventional point laser superposition turntable.

Figure of description

In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor Under, it is also possible to obtain other drawings based on these drawings.

Fig. 1 is the canonical measure flow chart of big drift angle part to be measured.

Fig. 2 is composite probe calibration and superposition principle figure.

Fig. 3 is that composite probe and single point laser feeler create coordinate system process comparison diagram.

Fig. 4 is the principle comparison diagram that composite probe completes measurement with traditional gauge head to identical workpiece.

Fig. 5 is that a kind of resulting structure form of composite probe and measuring head base rotate the angle A/B and define schematic diagram.

The amplification of micro-adjusting mechanism structure and the angle B that Fig. 6 is Fig. 5 adjust mounting structure.

Fig. 7 is drive station laser path and composite probe laser path contrast schematic diagram.

Fig. 8 is the structural schematic diagram of measuring device.

Fig. 9 A 9B 9C 9D be test chart of the invention.

Specific embodiment

The utility model is described in detail below in conjunction with attached drawing and specific embodiment, in the signal of this utility model Property embodiment and explanation be used to explain the utility model, but be not intended to limit the scope of the present invention.

Referring to Fig.1, by taking a kind of characteristic part for needing big measurement of angle as an example, measurement procedure follow gauge head correction, It imports CAD model, creation coordinate system, analysis and generates process of measurement, areal survey, data fitting, measurement data comparison, completes The process of measurement.

Main technical schemes difference is in entire measurement process, the calibrating mode of two kinds of gauge heads, creation coordinate system side Formula, selects matched equipment requirement at measuring technique scheme.Single dot laser representated by its left side adds turntable scheme that need to swash to point Light is calibrated, and creates coordinate system using dot laser, mating turntable is executed using four-axle linked measuring technique scheme.Its right side Shown in composite probe scheme need to calibrate optical measuring head and point laser feeler, coordinate system is created using optical measuring head, without mating Measurement can be completed by the rotation of measuring head base and the three-shaft linkage of measuring machine in turntable.

Referring to Fig. 2, when being calibrated to composite probe, needs first to calibrate optical measuring head and point laser feeler respectively, go forward side by side One step, which as needed rotates measuring head base to different A/B angles, demarcate for use.It is fitted by data, by being surveyed for two gauge heads The data obtained are compared, use.

Referring on the right side of Fig. 3, the utility model provides a kind of laser and optics composite probe measurement method, works as composite probe And measuring head base be installed on three coordinate machine after identification and the pattern measurement of part to be measured can be completed by its optical measuring system, tool Steps are as follows for body: importing CAD model, chooses measurement feature, establish optical measurement coordinate system, composite probe obtains multi-point letter Breath, which includes a large amount of point information of slave P1~Pn comprising shape and position feature once obtained, according to packet The a large amount of point information of slave P1~Pn containing shape and position feature measure the fitting and comparison of data, establish workpiece coordinate System completes measurement.

Among the above, the above method can use can once be obtained by optical measuring head from P1~Pn's in combined type gauge head A large amount of point information, and further coordinate system is quickly created by way of point+line+face.

Referring on the left of Fig. 3, the utility model provides a kind of laser and optics composite probe measurement method, works as composite probe And measuring head base be installed on three coordinate machine after identification and the pattern measurement of part to be measured can be completed by its optical measuring system, tool Steps are as follows for body: importing CAD model, chooses measurement feature, establishes dot laser measurement coordinate system and obtained by seeking Bian Caidian three times It takes from P1 to P2 again to P3 single-point position information, passes through point, line, surface three to P3 single-point position information again slave P1 to P2 according to what is obtained Form measures the fitting and comparison of data, completes measurement.The side sampling site of seeking three times includes that a lateral edges acquire 1 position Information P1；One lateral edges acquire 2 dot position information P2 and P3；It is fitted by P1, P2 and P3 and generates datum level.

Among the above, the above method be can use when single point laser feeler establishes coordinate system under specific circumstances, be needed By seeking Bian Caidian for a long time three times, P1/P2/P3 point information is obtained, and pass through P2/P3 fit line, P1/P2/P3 fitting Face further creates coordinate system by point+line+face principle.

Referring on the right side of Fig. 4, the utility model provides a kind of laser and optics composite probe measurement method, works as composite probe And measuring head base be installed on three coordinate machine after identification and the pattern measurement of part to be measured can be completed by its optical measuring system, tool Steps are as follows for body: importing CAD model, chooses measurement feature, establishes compound side head measurement coordinate system, analysis measurement feature, foundation It measures feature and generates measuring route and program, according to measuring route and Program Generating measuring machine three-axis moving path and generate tune Whole laser path completion measured zone, is fitted measurement data and compares, and completes measurement.

Among the above, the above method can use can rotate completion Laser Measuring in composite probe by the angle A/B of measuring head base The adjustment in path is measured, the effective solution measurement problem of big drift angle part can pass through three axis of measuring head base rotatable engagement measuring machine Measurement is completed in linkage.

Referring on the left of Fig. 4, the utility model provides a kind of laser and optics composite probe measurement method, works as composite probe And measuring head base be installed on three coordinate machine after identification and the pattern measurement of part to be measured can be completed by its optical measuring system, tool Steps are as follows for body: importing CAD model, chooses measurement feature, establish dot laser and turntable motion measurement coordinate system, analysis measurement is special Sign generates measuring route and program according to measurement feature, according to measuring route and Program Generating measuring machine three-axis moving path with And adjustment laser path completion measured zone is generated, measurement data is fitted and is compared, measurement is completed.

Among the above, the above method be can use in single point laser feeler, because measuring route limits, is unable to complete big partially Corner characteristics parts measurement needs to match state, is measured by four-axle linked.Measurement road is generated according to selected feature Diameter, program complete measurement.

Referring to Fig. 5, in order to complete the above measuring technique scheme, optical measuring system, dot laser measuring system need to be carried out Adjustment is installed.It is detailed to give the composition of optical system and laser system, specify the position of plug-in connection micro-adjusting mechanism.Also Correction including composite probe, specific steps are as follows: adjustment laser side head drift angle calibrates laser side head, measuring head base is revolved It goes to different A/B angles demarcate for use, when rotation angle is identical, two sides head difference measurement standard ball calibrates number to measurement According to being fitted and handling, the calibration of compound side head relativeness is completed.

As shown in figure 9, single dot laser is in use as drift angle increases, laser signal intensity continuous drops to not It can use, but meet gauge head because of angle rotatable, be able to maintain the intensity model that laser intensity is maintained on " signal decaying-available " It encloses.

Itself specific steps are as follows: adjustment optical lens drift angle, calibrate laser side head, measuring head base is rotated to different A/B Angle demarcate it is stand-by, when rotation angle is identical, two sides head measurement standard ball respectively, measurement calibration data is fitted and The calibration of compound side head relativeness is completed in processing.

Referring to Fig. 6 to Fig. 8, the utility model additionally provides a kind of laser and optics composite probe measuring device, including one The side headstock on three coordinate machine is arranged in three coordinate machine, and the angle the B rotating part of side headstock bottom is arranged in, connect with rotating part The plug-in mounting base on optical lens assembly is arranged in optical lens assembly, and the laser lens group in plug-in mounting base is arranged in Part, and micro-adjusting mechanism is provided in plug-in mounting base, the optical lens assembly includes the angle A connecting with the angle B rotating part Rotating part, the angle A rotating part are fixed with turntable, and the turntable is fixed on the angle the B adjusting seat being arranged inside optical lens shield On, the angle B adjusting seat one end is provided with adjustment frame, and industrial camera is provided on the adjustment frame, is provided with mirror on the industrial camera Head mould group, is arranged in the top ring light of lens module front end；The micro-adjusting mechanism includes the angle A adjusting seat, is arranged in the angle A adjusting seat The parallel adjusting mechanism of bottom, is arranged in the laser lens component on parallel adjusting mechanism, and the laser lens component includes setting Setting is including laser lens shield, the fiber-optic signal line on laser lens shield inside center line is arranged in, with fiber-optic signal line The laser lens group of coaxial arrangement.

Adjustment screw in the angle B is provided in the adjusting seat of the angle B；The angle A adjustment screw, institute are provided in the adjusting seat of the angle A It states and is provided with parallel adjustment screw on parallel adjusting mechanism.

The three coordinate machine includes pedestal, the bracket being set on the base, and the moving beam on bracket is arranged in, and setting exists Measurement pedestal on moving beam, the side headstock setting is on measurement pedestal.

By carrying out adjustment to the angle A adjusting seat, parallel adjusting mechanism, the angle B adjusting seat, optical lens assembly can effectively ensure that Axis, laser lens arrangement axis are parallel with measuring head base axis, meet subsequent measurement and data overlapping requires.

Technical solution disclosed in the utility model embodiment is described in detail above, it is used herein specifically Embodiment is expounded the principle and embodiment of the utility model embodiment, and the explanation of above embodiments is only applicable to Help understands the principle of the utility model embodiment；At the same time, for those skilled in the art, it is real according to the utility model Example is applied, there will be changes in terms of specific embodiments and scope of application, in conclusion the content of the present specification should not be understood For limitations of the present invention.

Claims (3)

1. a kind of laser and optics composite probe measuring device, which is characterized in that including a three coordinate machine, be arranged in three coordinate machine On side headstock, the angle the B rotating part of side headstock bottom is set, and the optical lens assembly connecting with rotating part is arranged in optics Plug-in mounting base on lens assembly is arranged in the laser lens component in plug-in mounting base, and sets in plug-in mounting base Be equipped with micro-adjusting mechanism, the optical lens assembly includes the angle the A rotating part connecting with the angle B rotating part, the angle A rotating part with turn Platform is fixed, and the turntable is fixed in the angle the B adjusting seat being arranged inside optical lens shield, and the angle B adjusting seat one end is provided with tune Whole frame is provided with industrial camera on the adjustment frame, and lens module is provided on the industrial camera, is arranged in lens module front end Top ring light；The micro-adjusting mechanism includes the angle A adjusting seat, and the parallel adjusting mechanism of the angle A adjusting seat bottom is arranged in, and setting exists Laser lens component on parallel adjusting mechanism, the laser lens component include that setting is including laser lens shield, setting Fiber-optic signal line on laser lens shield inside center line, the laser lens group with the coaxial arrangement of fiber-optic signal line are described Optical lens assembly axis, laser lens arrangement axis are parallel with measuring head base axis.

2. laser according to claim 1 and optics composite probe measuring device, which is characterized in that the angle B adjusting seat On be provided with the angle B adjustment screw；It is provided with adjustment screw in the angle A in the adjusting seat of the angle A, is provided on the parallel adjusting mechanism Parallel adjustment screw.

3. laser according to claim 1 and optics composite probe measuring device, which is characterized in that the three coordinate machine packet Pedestal is included, the moving beam on bracket is arranged in the bracket being set on the base, the measurement pedestal on moving beam is set, The side headstock setting is on measurement pedestal.