CN206593572U - A kind of instrument for accurately measuring optical mirror slip center thickness - Google Patents
A kind of instrument for accurately measuring optical mirror slip center thickness Download PDFInfo
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- CN206593572U CN206593572U CN201720300523.7U CN201720300523U CN206593572U CN 206593572 U CN206593572 U CN 206593572U CN 201720300523 U CN201720300523 U CN 201720300523U CN 206593572 U CN206593572 U CN 206593572U
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- optical glass
- connecting seat
- amesdial
- measured material
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Abstract
A kind of instrument for accurately measuring optical mirror slip center thickness, including horizontal table, vertical fixed mount, amesdial, vertical fixed mount is connected by the way that screw thread and horizontal table are vertical, amesdial is fixed on vertical fixed mount, it is characterised in that it also includes correction connecting seat, optical glass measured material, center correction tool for back and zero part；Correction connecting seat is vertically connected on the horizontal table by screw thread, optical glass measured material is inserted perpendicularly into the groove of correction connecting seat, amesdial gauge outfit is suspended from the surface of optical glass measured material, and amesdial gauge outfit center and optical glass clamp central are on an axis；There is fine-tuning gap between the optical glass measured material lower end external diameter and correction connecting seat groove internal diameter, the outside of correction connecting seat is provided with some fastening positioning screws；The rate of precision of the utility model measurement optical mirror slip center thickness reaches more than 90%, and detection speed is fast, efficiency high.
Description
Technical field
The utility model is related to optical processing technology field, directly influences the qualification rate during optical manufacturing, is one
Plant the instrument of measurement optical glass lens center thickness.
Background technology
Modern optical technical field is to the requirement on machining accuracy more and more higher of optical mirror slip, particularly for optical imagery
Optical mirror slip in system, the center thickness tolerance of design requirement is all in positive and negative 0.01mm.
When existing survey tool detects the optical mirror slip center thickness of male and fomale(M＆F) shape, because eyeglass to be measured is placed in gauge stand
It is stable by the weight of eyeglass itself on horizontal table, then amesdial vertical survey is used, often to be measured to improve precision
Several points find immediate size（Refer to the attached drawing 1 and 2）, it can be seen that the central optical axis of the eyeglass with definitely
There is angle theta in vertical line·, the result of measurement is H·, but full-size(d) H=H·/ cos θ, therefore there is measurement error, Simultaneous Stabilization
Property is entered also because the degree of eccentricity of glasses lens, and plane or lens surface clean-up performance cause measurement result to have very big randomness
And qualification rate of the glass during optical manufacturing is influenceed, while multimetering also wastes the plenty of time, efficiency is not high.
The content of the invention
The technical problems to be solved in the utility model is to provide a kind of precise measuring optical eyeglass, mainly concavo-convex eyeglass,
Especially instrument of the convex surface close to the lens center thickness of hemisphere, it is therefore an objective to reduce measurement error, improves efficiency.
To achieve the above object, the technical solution adopted in the utility model is：Accurately measure optical mirror slip center thickness
Instrument, including horizontal table, vertical fixed mount, amesdial, vertical fixed mount are connected by the way that screw thread and horizontal table are vertical,
Amesdial is fixed on vertical fixed mount, it is characterised in that it also includes correction connecting seat, optical glass measured material, central campus
Positive instrument and zero part；Correction connecting seat is vertically connected on the horizontal table by screw thread, optical glass measured material is hung down
Straight cutting enters to correct in the groove of connecting seat, and amesdial gauge outfit is suspended from the surface of optical glass measured material, amesdial gauge outfit
The heart and optical glass clamp central are on an axis；The optical glass measured material lower end external diameter and correction connecting seat groove
There is fine-tuning gap between internal diameter, the outside of correction connecting seat is provided with some fastening positioning screws；The optical glass measurement
The upper end of fixture, which is provided with, can be inserted perpendicularly into the groove of center correction tool for back, the insertion end outer wall and optical glass of center correction tool for back
Measured material upper recess inwall is brought into close contact；The center correction tool for back upper end is provided with and can be inserted perpendicularly into amesdial gauge outfit
Heart hole, the depth of centre bore is more than the length of amesdial gauge outfit.
Preferably, the zero part is using accurate measuring center thickness and the eyeglass of eyeglass same specification to be measured.
The 1/4~2/3 of hole depth centered on the depth of the amesdial gauge outfit insertion center correction tool for back centre bore.
In the utility model, in order to be able to measure the eyeglass of all size, it can make a variety of on high precision digital control lathe
The glass fixture in aperture, selects corresponding fixture to be used in application.
The utility model survey tool there is theoretically no the machining accuracy and eyeglass in error, practical operation then with fixture
Spherical radius is relevant, and general machining accuracy is 0.02mm fixture, the eyeglass of spherical surface error 0.5%, its measuring center thickness error
Within 0.005mm, measurement accuracy demand is fully met, and measurement error can be then reduced using the fixture of higher precision.It is logical
Cross in rotatably voluntarily determining, the uniformity of measurement is also non-stable.
Beneficial effect：The rate of precision of the utility model measurement optical mirror slip center thickness reaches more than 90%, and detection
Speed is fast, efficiency high.
Brief description of the drawings
Fig. 1 is the schematic diagram of existing survey tool.
Fig. 2 is existing measurement work measurement view.
Fig. 3 is examples measure instrument schematic diagram.
Cent(e)ring partial schematic diagram when Fig. 4 is examples measure.
Amesdial zero partial schematic diagram when Fig. 5 is examples measure.
Fig. 6 is examples measure eyeglass partial schematic diagram.
In figure, 1- workbench, the vertical fixed mounts of 2-, 3- amesdials, 4- zero parts, 5- eyeglasses to be measured, 6- gauge outfits, 7- folders
Tool, 8- fastening positioning screws, 9- correction connecting seats, 10- center correction tool for back.
Embodiment
The utility model is described in detail in reference to embodiment and accompanying drawing.
Embodiment：The tool references accompanying drawing 3 of optical mirror slip center thickness is accurately measured, mainly includes horizontal table 1, hang down
Straight fixed mount 2, amesdial 3, vertical fixed mount 2 are connected by the way that screw thread is vertical with horizontal table 1, and amesdial 3 is fixed on vertically
On fixed mount 2, its be mainly characterized by it also include correction connecting seat 9, optical glass measured material 7, center correction tool for back 10 and
Be zeroed part 4；Correction connecting seat 9 is vertically connected on horizontal table 1 by screw thread, optical glass measured material 7 is inserted perpendicularly into school
In the groove of positive connecting seat 9, amesdial gauge outfit 6 is suspended from the surface of optical glass measured material 7, the center of amesdial gauge outfit 6 and
The center of optical glass fixture 7 is on an axis；The lower end external diameter of optical glass measured material 7 and the correction groove internal diameter of connecting seat 9
Between have a fine-tuning gap, the outside of correction connecting seat 9 is provided with some fastening positioning screws 8；Optical glass measured material 7
Upper end is surveyed provided with that can be inserted perpendicularly into the groove of center correction tool for back 10, insertion end outer wall and the optical glass of center correction tool for back 10
The amount upper recess inwall of fixture 7 is brought into close contact；The upper end of center correction tool for back 10, which is provided with, can be inserted perpendicularly into the center of amesdial gauge outfit 6
Hole, the depth of centre bore is more than the length of amesdial gauge outfit 6.
During examples measure, optical glass measured material 7 is inserted perpendicularly into the groove of correction connecting seat 9 first, by center
Aligning tool 10 is inserted perpendicularly into the upper recess of optical glass measured material 7（Refer to the attached drawing 4）.Due in optical glass measured material
Groove inner wall is held to be fitted close in high precision with center correction tool for back lower end external diameter, it is ensured that both are coaxial.During correction center, thousand
Divide 1/4~2/3 or so of the insertion centre bore of center correction tool for back 10 of table gauge outfit 6.Due to the lower end external diameter of optical glass measured material 7
There is fine-tuning gap between the correction groove internal diameter of connecting seat 9, can be come from by rotating translation optical glass measured material
During row is fixed, it is ensured that amesdial gauge outfit and optical glass measured material are coaxial.After in fixed, multiple fastenings on connecting seat 9 will be corrected
Positioning screw 8 uniformly pins optical glass measured material（Refer to the attached drawing 3）, it is ensured that will not axis runout in the measurements.
Amesdial is zeroed：The high accuracy zero part 4 of known dimensions is placed in amesdial gauge outfit and optical glass measured material
Between（Refer to the attached drawing 5）, amesdial gauge outfit and return feature contacts, adjust amesdial scale so that amesdial is read instantly to be equal to
The height of zero part, removes zero part, and now amesdial carves the relative chi that zero graduation is optical glass measured material upper surface
It is very little.
Measurement：The convex surface of eyeglass 5 to be measured is placed in optical glass measured material（Refer to the attached drawing 6）, the contact of amesdial gauge outfit
Eyeglass concave surface to be measured, rotates eyeglass, in the interior bore and convex spherical, amesdial gauge outfit and the mirror of eyeglass of optical glass measured material
Under the collective effect of the concave spherical surface of piece, the optical axis of the eyeglass to be measured is voluntarily coaxial with optical glass measured material, amesdial gauge outfit,
Angle is not present in the central optical axis and optical glass measured material of eyeglass, the coaxial line of amesdial gauge outfit, and eyeglass is because centering
Center thickness of the angle theta produced with upper surface and horizontal plane then with the eyeglass has no bearing on.Now actual measurement lens dimension is h2,
In known convex lens surface radius R, optical glass measured material during bore Φ, h1 size can be conveniently calculated, then the mirror
Actual size H=h1+h2 of piece.
In order to improve efficiency in production in enormous quantities, the same specification eyeglass conduct of accurate measuring center thickness can be used
Be zeroed part zero, then the absolute value of eyeglass to be measured can be obtained with direct measurement without calculating；Also or using accurately measurement in
The same specification eyeglass of heart thickness then can obtain the relative value of eyeglass to be measured without calculating as standard with direct measurement.It is above-mentioned
Two methods can convenient and swift and accurate measuring center thickness, efficiency is improved well.
In embodiment, in order to be able to measure the eyeglass of all size, multiple aperture can be made on high precision digital control lathe
Glass fixture, general machining accuracy be 0.02mm or higher, application when select corresponding fixture to be used.
The measurement application of survey tool is carried out after optical mirror slip is machined in the utility model, general optics
The R values error of eyeglass is when within 0.5%, and measuring center thickness error is within 0.005mm, to fully meet measurement accuracy demand,
And can then reduce measurement error using the fixture of higher precision.In rotatably voluntarily fixed, the uniformity of measurement also right and wrong
Stable, rate of precision reaches more than 90%, and the speed of detection is fast, efficiency high.
Claims (3)
1. a kind of instrument for accurately measuring optical mirror slip center thickness, including horizontal table, vertical fixed mount, amesdial, hang down
Straight fixed mount is connected by the way that screw thread and horizontal table are vertical, and amesdial is fixed on vertical fixed mount, it is characterised in that it is also
Including correction connecting seat, optical glass measured material, center correction tool for back and zero part；Pass through screw thread on the horizontal table
Vertical connection correction connecting seat, optical glass measured material is inserted perpendicularly into the groove of correction connecting seat, and amesdial gauge outfit is suspended from
The surface of optical glass measured material, amesdial gauge outfit center and optical glass clamp central are on an axis；The light
Learning between glass measured material lower end external diameter and correction connecting seat groove internal diameter has fine-tuning gap, corrects the outside of connecting seat
Provided with some fastening positioning screws；The upper end of the optical glass measured material, which is provided with, can be inserted perpendicularly into the recessed of center correction tool for back
Groove, insertion end outer wall and the optical glass measured material upper recess inwall of center correction tool for back are brought into close contact；The central campus
Positive instrument upper end is more than the length of amesdial gauge outfit provided with that can be inserted perpendicularly into the centre bore of amesdial gauge outfit, the depth of centre bore.
2. instrument as claimed in claim 1, it is characterised in that the zero part using accurate measuring center thickness with it is to be measured
The eyeglass of eyeglass same specification.
3. instrument as claimed in claim 1, it is characterised in that the amesdial gauge outfit insertion center correction tool for back centre bore
The 1/4~2/3 of hole depth centered on depth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720300523.7U CN206593572U (en) | 2017-03-27 | 2017-03-27 | A kind of instrument for accurately measuring optical mirror slip center thickness |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720300523.7U CN206593572U (en) | 2017-03-27 | 2017-03-27 | A kind of instrument for accurately measuring optical mirror slip center thickness |
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| CN206593572U true CN206593572U (en) | 2017-10-27 |
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| CN201720300523.7U Active CN206593572U (en) | 2017-03-27 | 2017-03-27 | A kind of instrument for accurately measuring optical mirror slip center thickness |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108562210A (en) * | 2018-07-26 | 2018-09-21 | 望江县天长光学科技有限公司 | A kind of optical mirror slip thickness detection apparatus |
| CN110132099A (en) * | 2019-05-14 | 2019-08-16 | 德清阳瑞光学科技有限公司 | Optical mirror slip center thickness measuring instrument |
| CN110608700A (en) * | 2019-09-20 | 2019-12-24 | 徐州市吉隆彩印包装有限公司 | Carton production thickness detection device |
| CN111678402A (en) * | 2020-07-17 | 2020-09-18 | 湖北新华光信息材料有限公司 | Detection apparatus for short-term test type spare is eccentric |
| CN112985228A (en) * | 2021-02-05 | 2021-06-18 | 西安应用光学研究所 | Optical element center thickness precision measurement appearance of quick centering |
| CN113804083A (en) * | 2021-09-25 | 2021-12-17 | 华能澜沧江水电股份有限公司 | Tile key thickness measurement and calibration device and method for adjusting tile gap |
-
2017
- 2017-03-27 CN CN201720300523.7U patent/CN206593572U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108562210A (en) * | 2018-07-26 | 2018-09-21 | 望江县天长光学科技有限公司 | A kind of optical mirror slip thickness detection apparatus |
| CN110132099A (en) * | 2019-05-14 | 2019-08-16 | 德清阳瑞光学科技有限公司 | Optical mirror slip center thickness measuring instrument |
| CN110608700A (en) * | 2019-09-20 | 2019-12-24 | 徐州市吉隆彩印包装有限公司 | Carton production thickness detection device |
| CN111678402A (en) * | 2020-07-17 | 2020-09-18 | 湖北新华光信息材料有限公司 | Detection apparatus for short-term test type spare is eccentric |
| CN112985228A (en) * | 2021-02-05 | 2021-06-18 | 西安应用光学研究所 | Optical element center thickness precision measurement appearance of quick centering |
| CN112985228B (en) * | 2021-02-05 | 2024-02-27 | 西安应用光学研究所 | Quick centering optical element center thickness precision measuring instrument |
| CN113804083A (en) * | 2021-09-25 | 2021-12-17 | 华能澜沧江水电股份有限公司 | Tile key thickness measurement and calibration device and method for adjusting tile gap |
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