CN111380498B - High-precision lens gap spacing measuring device - Google Patents
High-precision lens gap spacing measuring device Download PDFInfo
- Publication number
- CN111380498B CN111380498B CN201811614525.9A CN201811614525A CN111380498B CN 111380498 B CN111380498 B CN 111380498B CN 201811614525 A CN201811614525 A CN 201811614525A CN 111380498 B CN111380498 B CN 111380498B
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- bevel gear
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- bearing cover
- shell
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- 238000000034 method Methods 0.000 abstract description 4
- 239000000523 sample Substances 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 239000011800 void material Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
Classifications
-
- 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
- G01B21/16—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 distance of clearance between spaced objects
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The invention discloses a high-precision lens gap spacing measuring device which comprises a placing platform, a shell, a felt ring, a gasket, bolts, a bearing cover, a ferrule, a knob, a bearing, a bevel gear, a disc, a sliding block and a sliding chute, wherein the placing platform is arranged on the shell; the method is characterized in that: the invention relates to a combined measuring device which comprises an upper cylinder and a lower cylinder, wherein the upper cylinder and the lower cylinder are of the same structure, lenses to be measured are placed on a placing platform through placing windows, threads are machined on the outer surface of the upper cylinder and the inner surface of the lower cylinder, the positions of the two lenses to be measured are adjusted through threaded matching for axial positioning, then sliding blocks at two ends are enabled to move towards the center at the same time and clamp the lenses to be measured for radial positioning through rotating a knob, finally the gap spacing of the lenses to be measured is measured through a digital display altimeter, holes with the same diameter as a probe of the digital display altimeter are formed in the center positions of the top and the bottom of the upper cylinder, so that the probe passes through the holes and exactly coincides with the center position of the lenses, and the measuring precision is ensured.
Description
Technical Field
The present invention relates to a lens gap measuring device, and more particularly to a high-precision lens gap measuring device.
Background
The optical system of the lens comprises a plurality of optical lenses, the distance between the lenses or between the lenses and certain references is called as a gap spacing, the gap spacing is an important control project in the processing process, in order to ensure that the manufactured lenses meet the gap spacing requirement after assembly, the gap spacing is required to be measured, the traditional method is to lightly place the standard lenses on the upper end face of the processed parts through designing and manufacturing the standard measuring lenses and the measuring device, place the measuring sleeve above the lenses, search the center point (the lowest point of a concave spherical surface and the highest point of a convex spherical surface) of the lenses by utilizing a probe of a digital display altimeter, and finally compare the measured data with the design specification of a drawing to judge whether the measured data are qualified or not. The method has the defects that the center point of the lens is difficult to accurately find, the measurement result is limited by human factors, the measurement precision cannot be ensured, the potential risk of misjudgment of batch products exists, in addition, the lens placement position of the traditional measuring device is fixed, a new measuring device is required to be manufactured once the lens position changes, and the manufacturing cost is increased, so that the high-precision lens gap interval distance measuring device with adjustable lens position is required.
Disclosure of Invention
In order to solve the problems, the invention discloses a high-precision lens gap spacing measuring device, which comprises an upper cylinder of the high-precision lens gap spacing measuring device and a lower cylinder of the high-precision lens gap spacing measuring device, wherein,
The upper cylinder of the high-precision lens gap spacing measuring device comprises a first placing platform (38), a first shell (34), a first felt ring (31) and a second felt ring (42), a first gasket (25,26,43), a second gasket (25,26,43), a first bolt (27,33,35,45), a second bolt (27,33,35,45), a first bearing cover (29,44), a first ferrule (28), a first knob (30), a first bearing (32) and a second bearing (41), a first bevel gear (24) and a second bevel gear (40), a first disc (36), a first sliding block (37) and a first sliding groove (46);
The lower cylinder of the high-precision lens gap spacing measuring device comprises a second placing platform (2), a second housing (3), third and fourth felt rings (4, 11), fourth, fifth and sixth gaskets (5, 6, 7), fifth, sixth, seventh and eighth bolts (8,14,19,20), third and fourth bearing covers (9, 21), a second ferrule (13), a second knob (10), third and fourth bearings (12, 22), third and fourth bevel gears (15, 23), a second disc (18), a second sliding block (16) and a second sliding groove (17);
Wherein the second placing platform (2) is connected with the second chute (17) into a whole, the first placing platform (38) is positioned below the first chute (46) and is connected with the first shell (34) into a whole, a round hole is arranged in the center of the first placing platform (38), a placing window is arranged at the position corresponding to the second placing platform (2) and the first placing platform (38) between the second shell (3) and the first shell (34), the second knob (10) is fixed with the inner ring of the third bearing (12), the third bearing cover (9), the second bearing ring (13) is fastened on the second shell (3) through a fifth bolt (8) and a sixth bolt (14), a sixth gasket (7) is arranged between the third bearing cover (9) and the second bearing ring (13), a fifth gasket (6) is arranged between the second bearing ring (13) and the second shell (3), the first knob (30) is fixed with the first bearing ring (28) through a first bolt (28) and the first bearing ring (28) are fastened together, a first gasket (25) is arranged between the first ferrule (28) and the first shell (34), a fourth felt collar (11) is arranged between the third bearing cover (9) and the second knob (10) in an axial way, a first felt collar (31) is arranged between the first bearing cover (29) and the first knob (30) in an axial way, the second knob (10) is fixed with the third bevel gear (15) in an axial way, the first knob (30) is fixed with the third bevel gear (15) in an axial way, the third bevel gear (15) is meshed with the fourth bevel gear (23), the first bevel gear (24) is meshed with the second bevel gear (40), the outer cylinder surface of a sleeve above the fourth bevel gear (23) is matched with the inner ring of the fourth bearing (22), the fourth bearing cover (21) is fixed on the second shell (3) through an eighth bolt (20), the outer cylinder surface of a sleeve below the second bevel gear (40) is matched with the second bearing (41), the second bearing cover (44) is fixed on the first shell (34) through a third bolt (35), the fourth bearing cover (21) is meshed with the fourth bevel gear (4) in an axial way, the fourth bearing cover (43) is arranged between the fourth bevel gear (23) and the fourth bearing cover (4) is arranged between the fourth bevel gear (4) and the fourth bearing cover (4), a second felt ring (42) is arranged between the sleeve below the second bevel gear (40) and the second bearing cover (44), the sleeve above the fourth bevel gear (23) is fixed with the sleeve below the disc through a seventh bolt (19), annular threads are formed on the surface of the second disc (18), annular threads are formed below the second slider (16), the annular threads on the second disc (18) are matched with the annular threads on the second slider (16), the sleeve below the second bevel gear (40) is fixed with the sleeve above the disc through a fourth bolt (45), annular threads are formed on the surface of the first disc (36), annular threads are formed above the first slider (37), the annular threads on the second disc (18) are matched with the annular threads on the second slider (16), the second slider (16) can slide back and forth on the second chute (17), and the first slider (37) can slide back and forth on the first chute (46).
Drawings
FIG. 1 is a schematic diagram of a top barrel structure of a high-precision lens void spacing measuring device;
FIG. 2 is a schematic view of a lower cylinder structure of a high-precision lens gap spacing measuring device;
fig. 3 is a schematic diagram of a matching structure of the sliding block and the sliding groove.
Detailed Description
The technical scheme of the invention is further described below by the specific embodiments with reference to the accompanying drawings. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the matters related to the present invention are shown in the accompanying drawings.
Referring to fig. 1-3, in order to solve the above problems, the present invention discloses a high-precision lens gap distance measuring device, which includes a high-precision lens gap distance measuring device upper cylinder and a high-precision lens gap distance measuring device lower cylinder, wherein,
The high precision lens void space measuring device upper cartridge comprises a first placement platform 38, a first housing 34, first and second felts 31,42, first, second and third shims 25,26,43, first, second, third and fourth bolts 27,33,35,45, first and second bearing caps 29,44, a first ferrule 28, a first knob 30, first and second bearings 32,41, first and second bevel gears 24,40, a first disk 36, a first slider 37, a first runner 46;
The lower cylinder of the high-precision lens gap spacing measuring device comprises a second placing platform 2, a second housing 3, third and fourth felt rings 4,11, fourth, fifth and sixth gaskets 5,6,7, fifth, sixth, seventh and eighth bolts 8,14,19,20, third and fourth bearing covers 9,21, a second ferrule 13, a second knob 10, third and fourth bearings 12,22, third and fourth bevel gears 15,23, a second disc 18, a second sliding block 16 and a second sliding chute 17;
wherein the second placing platform 2 is connected with the second chute 17 into a whole, the first placing platform 38 is positioned below the first chute 46 and connected with the first housing 34 into a whole, a round hole is arranged in the center of the first placing platform 38, a placing window is arranged between the first housing 34 and the second housing 3 at the position corresponding to the second placing platform 2 and the first placing platform 38, the shaft of the second knob 10 is fixed with the inner ring of the third bearing 12, the third bearing cover 9 and the second ferrule 13 are fastened on the second housing 3 through a fifth bolt 8 and a sixth bolt 14, a sixth gasket 7 is arranged between the third bearing cover 9 and the second ferrule 13, a fifth gasket 6 is arranged between the second ferrule 13 and the second housing 3, the shaft of the first knob 30 is fixed with the inner ring of the first bearing 32, the first bearing cover 29 and the first ferrule 28 are fastened on the first shell 34 through a first bolt 27 and a second bolt 33, a second gasket 26 is arranged between the first bearing cover 29 and the first ferrule 28, a first gasket 25 is arranged between the first ferrule 28 and the first shell 34, a fourth felt ring 11 is arranged between the third bearing cover 9 and the second knob 10, a first felt ring 31 is arranged between the first bearing cover 29 and the first knob 30, the second knob 10 is fixed together with the third bevel gear 15, the first knob 30 is fixed together with the third bevel gear 15, the third bevel gear 15 is meshed with the fourth bevel gear 23, the first bevel gear 24 is meshed with the second bevel gear 40, the outer cylinder surface of the sleeve above the fourth bevel gear 23 is matched with the inner ring of the fourth bearing 22, the fourth bearing cover 21 is fixed on the second shell 3 through an eighth bolt 20, the outer cylinder surface of the sleeve below the second bevel gear 40 is matched with the inner ring of the second bearing 41, the second bearing cover 44 is fixed on the first shell 34 through the third bolt 35, the fourth gasket 5 is installed between the fourth bearing cover 21 and the second shell 3, the third gasket 43 is installed between the second bearing cover 44 and the first shell 34, the third felt ring 4 is installed between the sleeve above the fourth bevel gear 23 and the fourth bearing cover 21, the second felt ring 42 is installed between the sleeve below the second bevel gear 40 and the second bearing cover 44, the sleeve above the fourth bevel gear 23 is fixed with the sleeve below the disc through the seventh bolt 19, the annular thread is machined on the surface of the second disc 18, the annular thread on the second disc 18 is matched with the annular thread on the second slider 16, the sleeve below the second bevel gear 40 is fixed with the sleeve above the disc through the fourth bolt 45, the annular thread on the first slider 37 is also machined on the first slider 37, the annular thread on the second disc 18 is matched with the annular thread on the second slider 16, the second slider 16 can slide on the second slider 17 back and forth on the first slider 37.
Further, before measuring the gap distance between the lenses, the upper tube and the lower tube are sleeved together, the positions of the two lenses to be measured are adjusted by screwing in and screwing out the threads, after the positions are fixed, the lenses to be measured 1 are put on the placing platform 2 through the placing window of the shell 3, the knob 10 is rotated, the disc 18 is rotated through the matching of the bevel gear 15 and the bevel gear 23, the sliding block 16 is simultaneously slid towards the center through the matching of the annular threads on the disc 18 and the annular threads of the sliding block 16, the lenses to be measured 16 are simultaneously slid towards the center along the sliding groove 17 and clamped, then the reading is zeroed through the digital display altimeter, then the lenses to be measured 1 are put on the placing platform 38 through the placing window of the shell 34, the knob 30 is rotated through the matching of the bevel gear 24 and the bevel gear 40, the sliding block 37 is simultaneously slid towards the center through the sliding groove 46, the readings of the digital display altimeter are read out, finally, the lenses to be measured 1 are put on the placing window of the shell 3, and the gap distance between the two lenses to be measured is calculated through the digital display altimeter.
The foregoing is only illustrative of the present invention and is not to be construed as limiting thereof, but rather as various modifications, equivalent arrangements, improvements, etc., within the spirit and principles of the present invention.
Claims (1)
1. A high-precision lens gap spacing measuring device is characterized in that: the high-precision lens gap spacing measuring device comprises an upper cylinder and a lower cylinder, wherein the upper cylinder comprises a first placing platform (38), a first shell (34), a first felt ring (31) and a second felt ring (42), a first gasket (25), a second gasket (26) and a third gasket (43), a first bolt (27), a second bolt (33), a third bolt (35) and a fourth bolt (45), a first bearing cover (29) and a second bearing cover (44), a first ferrule (28), a first knob (30), a first bearing (32) and a second bearing (41), a first bevel gear (24) and a second bevel gear (40), a first disc (36), a first sliding block (37) and a first sliding groove (46);
the lower cylinder of the high-precision lens gap spacing measuring device comprises a second placing platform (2), a second housing (3), a third felt ring (4) and a fourth felt ring (11), a fourth gasket (5), a fifth gasket (6) and a sixth gasket (7), a fifth bolt (8), a sixth bolt (14), a seventh bolt (19) and an eighth bolt (20), a third bearing cover (9) and a fourth bearing cover (21), a second ferrule (13), a second knob (10), a third bearing (12) and a fourth bearing (22), a third bevel gear (15) and a fourth bevel gear (23), a second disc (18), a second sliding block (16) and a second sliding groove (17);
The high-precision lens gap spacing measuring device further comprises a digital display altimeter, and after the lens to be measured is positioned through the upper cylinder of the high-precision lens gap spacing measuring device and the lower cylinder of the high-precision lens gap spacing measuring device, the gap spacing of the lens to be measured is measured through the digital display altimeter;
wherein the second placing platform (2) is connected with the second chute (17) into a whole, the first placing platform (38) is positioned below the first chute (46) and is connected with the first shell (34) into a whole, a round hole is arranged in the center of the first placing platform (38), a placing window is arranged at the position corresponding to the second placing platform (2) and the first placing platform (38) between the second shell (3) and the first shell (34), the second knob (10) is fixed with the inner ring of the third bearing (12), the third bearing cover (9), the second bearing ring (13) is fastened on the second shell (3) through a fifth bolt (8) and a sixth bolt (14), a sixth gasket (7) is arranged between the third bearing cover (9) and the second bearing ring (13), a fifth gasket (6) is arranged between the second bearing ring (13) and the second shell (3), the first knob (30) is fixed with the first bearing ring (28) through a first bolt (28) and the first bearing ring (28) are fastened together, a first gasket (25) is arranged between the first ferrule (28) and the first shell (34), a fourth felt collar (11) is arranged between the third bearing cover (9) and the second knob (10) in an axial way, a first felt collar (31) is arranged between the first bearing cover (29) and the first knob (30) in an axial way, the second knob (10) is fixed with the third bevel gear (15) in an axial way, the first knob (30) is fixed with the third bevel gear (15) in an axial way, the third bevel gear (15) is meshed with the fourth bevel gear (23), the first bevel gear (24) is meshed with the second bevel gear (40), the outer cylinder surface of a sleeve above the fourth bevel gear (23) is matched with the inner ring of the fourth bearing (22), the fourth bearing cover (21) is fixed on the second shell (3) through an eighth bolt (20), the outer cylinder surface of a sleeve below the second bevel gear (40) is matched with the second bearing (41), the second bearing cover (44) is fixed on the first shell (34) through a third bolt (35), the fourth bearing cover (21) is meshed with the fourth bevel gear (4) in an axial way, the fourth bearing cover (43) is arranged between the fourth bevel gear (23) and the fourth bearing cover (4) is arranged between the fourth bevel gear (4) and the fourth bearing cover (4), a second felt ring (42) is arranged between the sleeve below the second bevel gear (40) and the second bearing cover (44), the sleeve above the fourth bevel gear (23) is fixed with the sleeve below the disc through a seventh bolt (19), annular threads are machined on the surface of the second disc (18), annular threads on the second disc (18) are matched with annular threads on the second slider (16), the sleeve below the second bevel gear (40) is fixed with the sleeve above the disc through a fourth bolt (45), annular threads are machined on the surface of the first disc (36), annular threads are machined on the upper side of the first slider (37), the second slider (16) can slide back and forth on the second sliding groove (17), and the first slider (37) can slide back and forth on the first sliding groove (46).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811614525.9A CN111380498B (en) | 2018-12-27 | 2018-12-27 | High-precision lens gap spacing measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811614525.9A CN111380498B (en) | 2018-12-27 | 2018-12-27 | High-precision lens gap spacing measuring device |
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| Publication Number | Publication Date |
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| CN111380498A CN111380498A (en) | 2020-07-07 |
| CN111380498B true CN111380498B (en) | 2024-05-14 |
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| US5394617A (en) * | 1993-08-12 | 1995-03-07 | Tucker; Bernard W. | Eyewear lens mechanical center locating apparatus |
| KR200299185Y1 (en) * | 2002-09-24 | 2003-01-03 | 민병직 | Center thickness measuring device |
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| TW201015107A (en) * | 2008-10-09 | 2010-04-16 | Asia Optical Co Inc | Zoom lens assembly and zoom lens module |
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| CN203116701U (en) * | 2013-02-20 | 2013-08-07 | 淮安市岽盛光电仪器有限公司 | Automatic measuring device for measuring spacing distance of optical lenses |
| CN205860907U (en) * | 2016-06-27 | 2017-01-04 | 黄石中林科技发展有限公司 | A kind of lower house position checking tool |
| CN206787499U (en) * | 2017-04-14 | 2017-12-22 | 福建师范大学 | Big spacing lens wearer distance-measuring device |
| CN108037574A (en) * | 2017-12-25 | 2018-05-15 | 中国科学院西安光学精密机械研究所 | A kind of high-precision optical Lens assembly assembles device and method |
| CN108709480A (en) * | 2018-07-20 | 2018-10-26 | 盐城市诚益通机械制造有限责任公司 | A kind of machine-building measuring thickness device and measurement method |
| CN209745260U (en) * | 2018-12-27 | 2019-12-06 | 凤凰光学股份有限公司 | high-precision lens gap distance measuring device |
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2018
- 2018-12-27 CN CN201811614525.9A patent/CN111380498B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5394617A (en) * | 1993-08-12 | 1995-03-07 | Tucker; Bernard W. | Eyewear lens mechanical center locating apparatus |
| KR200299185Y1 (en) * | 2002-09-24 | 2003-01-03 | 민병직 | Center thickness measuring device |
| CN101034194A (en) * | 2006-03-10 | 2007-09-12 | 鸿富锦精密工业（深圳）有限公司 | Lens module group used in digital camera |
| CN201081770Y (en) * | 2007-09-21 | 2008-07-02 | 上海微电子装备有限公司 | Movable lens adjusting device |
| TW201015107A (en) * | 2008-10-09 | 2010-04-16 | Asia Optical Co Inc | Zoom lens assembly and zoom lens module |
| CN102538738A (en) * | 2010-12-13 | 2012-07-04 | 鸿富锦精密工业（深圳）有限公司 | Device for measuring eccentricity of optical component |
| CN203116701U (en) * | 2013-02-20 | 2013-08-07 | 淮安市岽盛光电仪器有限公司 | Automatic measuring device for measuring spacing distance of optical lenses |
| CN205860907U (en) * | 2016-06-27 | 2017-01-04 | 黄石中林科技发展有限公司 | A kind of lower house position checking tool |
| CN206787499U (en) * | 2017-04-14 | 2017-12-22 | 福建师范大学 | Big spacing lens wearer distance-measuring device |
| CN108037574A (en) * | 2017-12-25 | 2018-05-15 | 中国科学院西安光学精密机械研究所 | A kind of high-precision optical Lens assembly assembles device and method |
| CN108709480A (en) * | 2018-07-20 | 2018-10-26 | 盐城市诚益通机械制造有限责任公司 | A kind of machine-building measuring thickness device and measurement method |
| CN209745260U (en) * | 2018-12-27 | 2019-12-06 | 凤凰光学股份有限公司 | high-precision lens gap distance measuring device |
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| CN111380498A (en) | 2020-07-07 |
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