CN102879882B - Apparatus for assembling and correcting lens group based on coaxiality conversion - Google Patents
Apparatus for assembling and correcting lens group based on coaxiality conversion Download PDFInfo
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- CN102879882B CN102879882B CN201210352279.0A CN201210352279A CN102879882B CN 102879882 B CN102879882 B CN 102879882B CN 201210352279 A CN201210352279 A CN 201210352279A CN 102879882 B CN102879882 B CN 102879882B
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- high circularity
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Abstract
The invention discloses a method and an apparatus for assembling and correcting a lens group based on coaxiality conversion, belonging to the field of test technology and application; the apparatus for assembling and correcting the lens group based on the coaxiality conversion mainly consists of a lens base 1, a high-roundness cylindrical body 2, a jackscrew group 3, a lens group base 4, a linear guideway 4, a dial indicator 6, a magnetic dial indicator stand 7 and a ball sliding platform 8. In concrete work, offsets of the high-roundness cylindrical body 2 in the horizontal direction and the vertical direction are corrected to finish correcting an axial line of the lens group. The method and the apparatus for assembling and correcting the lens group based on the coaxiality conversion have the technical effect that the complex lens group axle aligning technology is transformed into a comparatively simple process of correcting the linearity of the axial line of the cylindrical body through a high-roundness cylindrical body; and the method and the apparatus have the characteristics of simple structure, low cost, strong operability and the like.
Description
Technical field
The present invention relates to a kind of lens assembling calibration method based on right alignment conversion and device, belong to measuring technology and application.
Background technology
A kind of triple-prism height laser non-contacting detection method and device (application number: 200610016868.6) is had in the prior art field relevant with the present invention.As shown in Figure 1, this device is primarily of scanning prism 1, and diversing lens 2, accepts lens 3, photoelectric sensor 4, plane mirror 5, and laser instrument 6 forms.In real work, collimated laser beam is sent through plane mirror 5 by laser instrument 6, be reflected on the reflecting surface of scanning prism 1, scanning prism 1 converts light to uniform angular velocity scan light, and be reflected on diversing lens 2 and form even linear velocity scan light, even linear velocity scan light will be reflected on photoelectric sensor 4 by workpiece information by accepting lens 3 after testee, for guarantee is to the accuracy of detection of workpiece and detection efficiency, said apparatus requires diversing lens 2 and accepts the optical axis of lens 3 on same straight line.
Have a kind of method by register pin positioning lens as shown in Figure 2 in prior art field related to the present invention, the method is primarily of transmitting terminal register pin 1, and receiving terminal register pin 2, diversing lens 3, accepts lens 4, lens mount 5, and mirror group seat 6 forms.The method requires in worktable process, make transmitting terminal register pin 1 and receiving terminal register pin 2 on same straight line, diversing lens 3 and accept lens 4 and be fixed on lens mount, lens mount 5 is cylindrical shape, lens mount and mirror group seat are fixed by screw thread, like this by the positioning instant of register pin can complete to diversing lens 3 with accept lens 4 to axle.But the technological difficulties that the method exists are that the rotation error that the site error of register pin and threaded engagement are brought has considerable influence on the same line to lens combination axle center.
Summary of the invention
For solve above-mentioned technological difficulties the requirement of lens combination optical axis on same straight line and register pin positioning error large, we have invented a kind of lens assembling calibration method based on right alignment conversion and device.
The technical scheme of the lens assembling calibration method employing based on right alignment conversion of the present invention is, see shown in Fig. 2, Fig. 3, to be the correction to circularity cylinder 2 axis verticality high in Fig. 3 to the right alignment calibration shift of lens in Fig. 22,3, completed the adjustment of the right alignment to lens combination by the correction of the linearity to right cylinder 2 axis high in Fig. 3.As shown in Figure 3, the two ends of high circularity cylinder 2 are fixed on lens mount 1, jackscrew group 3 on mirror group seat to the luffing angle of high circularity cylinder 2 and can rock angle adjustment, in use procedure, move to the other end with clock gauge 6 from one end of high circularity cylinder 2, and read the reading of clock gauge 6, when reading is greater than certain value, adjust high circularity cylinder 2 angle by jackscrew group 3, finally make the linearity of high circularity cylinder 2 within the specific limits.Now, due to the high circularity of cylinder, high circularity cylinder 2 point-blank, unloads from lens mount 1, loads onto lens combination by the axle center of lens mount, then the axle center of lens combination point-blank.Wherein, determined by following formula by the not parallel error caused between high circularity cylinder 2 and line slideway 5:
As shown in Figure 1, in formula
for sweep time,
for scanning prism 1 angular velocity,
for laser beam incide into
angle on scanning prism, for scanning prism 1 turns over angle
,
for angle between line slideway and high circularity cylinder,
for the spacing of diversing lens and receiver lens,
for scanning prism circumradius.
The present invention based on right alignment conversion lens assembling calibration device have employed following technical scheme, shown in Fig. 3, this device primarily of lens mount 1, high circularity cylinder 2, jackscrew group 3, mirror group seat 4, line slideway 5, clock gauge 6, magnetic dial gauge frame 7, ball slide unit 8 forms.It is characterized in that, high circularity cylinder 2 diameter is consistent with lens combination diameter to be installed, the mirror group seat 4 of both sides has four threaded holes in 90 ° of angles, four jackscrews form jackscrew group 3 through threaded hole, by can complete the adjustment to lens mount horizontal pan angle, vertical luffing angle to the adjustment of jackscrew group 3.With ball slide unit 8 on line slideway 5, clock gauge 6 is fixed on ball slide unit 8 by magnetic dial gauge frame 7.During real work, by line slideway 5 and the parallel placement of high circularity cylinder 2, ball slide unit 8 is pushed into a side mirror group seat, clock gauge 6 is popped one's head in and follows high circularity cylinder 2 to keep Elastic Contact, ball slide unit 8 is slowly pushed into another mirror group seat side again, the number shown by clock gauge is right alignment in the direction in which.
The technique effect of the lens assembling calibration method based on right alignment conversion of the present invention is, the lens combination right alignment alignment technique of complexity is converted into comparatively simple column axis linearity by high circularity cylinder correct, it is simple that the method has principle, workable, the features such as applicability is wide.
The technique effect of the lens assembling calibration device based on right alignment conversion of the present invention is, relatively with complicated lens combination axle center means for correcting, it is simple that this device possesses structure, the features such as cost is low, workable.
Accompanying drawing explanation
Accompanying drawing 1 is triple-prism height laser non-contacting detection method and the device schematic diagram of prior art.
Accompanying drawing 2 is method schematic diagram by register pin positioning lens of prior art.
Accompanying drawing 3 is the lens assembling calibration method based on right alignment conversion and the device schematic diagram of the present invention.This figure is also as Figure of abstract.
In accompanying drawing 1,1 is scanning prism, and 2 is diversing lens, and 3 is accept lens, and 4 is photoelectric sensors, and 5 is plane mirrors, and 6 is laser instruments.
In accompanying drawing 2,1 is transmitting terminal register pin, and 2 is receiving terminal register pins, and 3 is diversing lens, and 4 is accept lens, and 5 is lens mounts 5, and 6 is mirror group seats.
In accompanying drawing 3,1 is lens mount, and 2 is high circularity cylinders, and 3 is jackscrews, and 4 is mirror group seats, and 5 is line slideways, and 6 is milscales, and 7 is magnetic dial gauge framves, and 8 is ball slide units.
Embodiment
The lens assembling calibration method based on right alignment conversion of the present invention realizes in the following way, as shown in Figure 3, high circularity cylinder 2 is fixed on mirror group seat 4 through lens mount 1, and the jackscrew group 3 on mirror group seat to the luffing angle of high circularity cylinder 2 and can rock angle adjustment.In specific implementation process, first clock gauge 6 is made to be parallel to surface level, and clock gauge 6 thimble is contacted with high circularity cylinder 2, ball slide unit 8 drives clock gauge 6 to slide into the other end from one end of high circularity cylinder 2, the display numerical value of milscale 6 is high circularity cylinder 2 amount of rocking in the horizontal direction, is namely lens combination side-play amount in the horizontal direction, when little skew, by the adjustment to the jackscrew group 3 in horizontal direction, complete the correction to the skew of lens combination horizontal direction; Then clock gauge 6 is adjusted, make clock gauge 6 vertical level, and the thimble of clock gauge 6 is contacted with high circularity cylinder 2, ball slide unit 8 drives clock gauge 6 to slide into the other end from one end of high right cylinder 2, the display numerical value of clock gauge 6 is high right cylinder 2 angle of pitch in vertical direction, i.e. lens combination side-play amount in vertical direction, when little skew, by the adjustment to the jackscrew group 3 in vertical direction, complete the correction to the skew of lens combination vertical direction.
The lens assembling calibration method adopting above-mentioned right alignment to change, completes the right alignment adjustment that can realize lens combination to the correction of side-play amount in high circularity cylinder 2 horizontal direction and vertical direction.The above specific implementation process is preferred embodiment of the present invention, is not intended to limit practical range of the present invention, and all equivalences done according to right of the present invention change and modify, and all belong to protection scope of the present invention
The lens assembling calibration device based on right alignment conversion of the present invention is achieved in that as shown in Figure 3, and this device is primarily of lens mount 1, and high circularity cylinder 2, jackscrew group 3, mirror group seat 4, line slideway 5, clock gauge 6, magnetic dial gauge frame 7, ball slide unit 8 forms.There is screw thread at the two ends of lens mount 1, are to be fixedly clamped on mirror group seat 4 by the ring screw lasso at two ends; High circularity cylinder 2 diameter is consistent with lens combination diameter to be installed, the mirror group seat 4 of both sides has four threaded holes in 90 ° of angles, four jackscrews form jackscrew group 3 through threaded hole, by can complete the adjustment to lens mount horizontal pan angle, vertical luffing angle to the adjustment of jackscrew group 3.With ball slide unit 8 on line slideway 5, clock gauge 6 is fixed on ball slide unit 8 by magnetic dial gauge frame 7.
Claims (3)
1. based on right alignment conversion lens assembling calibration device, it is characterized in that, this device primarily of lens mount (1), high circularity cylinder (2), jackscrew group (3), mirror group seat (4), line slideway (5), clock gauge (6), magnetic dial gauge frame (7), ball slide unit (8) forms; Wherein, lens mount (1) is arranged on mirror group seat (4), mirror group seat (4) has four threaded holes in 90 ° of angles, four jackscrews form jackscrew group (3) through threaded hole, by can complete the adjustment to lens mount (1) horizontal pan angle, vertical luffing angle to the adjustment of jackscrew group (3); The two ends of high circularity cylinder (2) are fixed on lens mount (1), high circularity cylinder (2) diameter is consistent with lens combination diameter to be installed, with ball slide unit (8) on line slideway (5), clock gauge (6) is fixed on ball slide unit (8) by magnetic dial gauge frame (7).
2. the lens assembling calibration device based on right alignment conversion according to claim 1, it is characterized in that, high circularity cylinder (2) two ends are fixed with lens mount (1) respectively, are by having adjusted the linearity of high circularity cylinder (2) axis to the adjustment of the lens combination right alignment be mounted on lens mount (1).
3. the lens assembling calibration device based on right alignment conversion according to claim 1, it is characterized in that, the axle center side-play amount of lens combination is directly read by clock gauge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201210352279.0A CN102879882B (en) | 2012-09-21 | 2012-09-21 | Apparatus for assembling and correcting lens group based on coaxiality conversion |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210352279.0A CN102879882B (en) | 2012-09-21 | 2012-09-21 | Apparatus for assembling and correcting lens group based on coaxiality conversion |
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| CN102879882A CN102879882A (en) | 2013-01-16 |
| CN102879882B true CN102879882B (en) | 2015-01-07 |
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| CN201210352279.0A Expired - Fee Related CN102879882B (en) | 2012-09-21 | 2012-09-21 | Apparatus for assembling and correcting lens group based on coaxiality conversion |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103934676B (en) * | 2014-04-03 | 2016-04-13 | 河南省四达仙龙实业有限公司 | The outstanding tubular axis supported hole axiality correcting mechanism of outstanding pipe machine front and back support |
| CN107462965A (en) * | 2017-08-04 | 2017-12-12 | 柳州长虹机器制造公司 | A kind of adjustment method of infrared lens orientation assembling |
| CN113701609B (en) * | 2021-07-27 | 2024-05-31 | 上海飞博激光科技股份有限公司 | Method and device for controlling and measuring assembly coaxiality of glass column of laser output head |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101907758A (en) * | 2009-06-08 | 2010-12-08 | 富士能株式会社 | The off-centre of optical element is adjusted assemble method and the eccentric apparatus for assembling of adjusting |
| CN101923203A (en) * | 2009-06-15 | 2010-12-22 | 意法半导体(研发)有限公司 | Lens mount assembly and the method for in installation component, aiming at lens |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7421918B2 (en) * | 2003-09-26 | 2008-09-09 | Thorlabs, Inc. | Differential adjustment apparatus |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101907758A (en) * | 2009-06-08 | 2010-12-08 | 富士能株式会社 | The off-centre of optical element is adjusted assemble method and the eccentric apparatus for assembling of adjusting |
| CN101923203A (en) * | 2009-06-15 | 2010-12-22 | 意法半导体(研发)有限公司 | Lens mount assembly and the method for in installation component, aiming at lens |
Non-Patent Citations (2)
| Title |
|---|
| 施卫等.光学.《大学物理实验》.机械工业出版社,2006,第171-172页. * |
| 激光扫描外径精密检测方法的理论与实验研究;姜涛;《中国博士学位论文全文数据库 信息科技辑》;20110215(第2期);I140-54 * |
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