CN108942403B - A kind of processing method of accurate control lens thickness - Google Patents
A kind of processing method of accurate control lens thickness Download PDFInfo
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- CN108942403B CN108942403B CN201810669655.6A CN201810669655A CN108942403B CN 108942403 B CN108942403 B CN 108942403B CN 201810669655 A CN201810669655 A CN 201810669655A CN 108942403 B CN108942403 B CN 108942403B
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- processing
- thickness
- accurate control
- optical
- processing method
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q15/00—Automatic control or regulation of feed movement, cutting velocity or position of tool or work
- B23Q15/20—Automatic control or regulation of feed movement, cutting velocity or position of tool or work before or after the tool acts upon the workpiece
- B23Q15/22—Control or regulation of position of tool or workpiece
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q17/00—Arrangements for observing, indicating or measuring on machine tools
- B23Q17/20—Arrangements for observing, indicating or measuring on machine tools for indicating or measuring workpiece characteristics, e.g. contour, dimension, hardness
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/12—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for securing to a spindle in general
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
Abstract
The processing method that the present invention discloses a kind of accurate control lens thickness, the processing thickness of optical lens is directly measured using optical principle, realize the closed-loop control to lens thickness, it is high to control precision, secondly, non-contact method measures lens thickness, measurement result is accurately reliable, processing consistency is good, and easy to accomplish, reduces production cost.
Description
Technical field
The present invention relates to optical element processing technique fields, more particularly to a kind of processing side of accurate control lens thickness
Method.
Background technique
Lens are the optical elements that the surface made of transparency material is piece, and camera lens is made of several lens
, there are plastic lens and two kinds of glass lens, glass lens is more expensive than plastic cement.Lens can be widely applied to security protection, vehicle-mounted, digital phase
The every field such as machine, laser, optical instrument, as market is constantly developed, lens technologies are also increasingly widely used.Lens are
According to made of the law of refraction of light.Lens are a kind of optical elements made of transparency material (such as glass, crystal etc.).
Existing optical mirror slip determines thickness processing method and mainly passes through position detection and automatic control system realization, key step
Have: 1, position control information is set；2, the eyeglass of different-thickness is fixed on process equipment；3, optical mirror slip is processed；4, when
To (i.e. optical mirror slip needs the lens thickness that is processed) when reaching setting position, position control information signal is defeated for working motion
Out to machine tool control system, stops processing, that is, complete the processing of optical mirror slip.But existing processing method is using mechanical inspection
It is lower to survey positioning accuracy, and needs resetting, is influenced in addition by transmission chain accumulated error, product after processing is made to be difficult to meet
The requirement of product quality consistency when mass production；Higher using signal formula detection method precision, the mode of realization is also more,
But high-precision displacement detection device is expensive, to environmental requirement height, increases production cost.In addition to this, pass through position
The processing method for setting detection and feedback information control lens thickness belongs to half-closed loop control, and error caused by subsequent technique can not mend
It repays, reduces yields.
Therefore, how to change in the prior art, the status that thickness is difficult to control accurately in lens manufacturing processes is this field
Technical staff's urgent problem to be solved.
Summary of the invention
The object of the present invention is to provide a kind of processing methods of accurate control lens thickness, are deposited with solving the above-mentioned prior art
The problem of, improve in process to the precision controllings of optical lens thicknesses.
To achieve the above object, the present invention provides following schemes: the present invention provides the accurate control lens thickness of one kind
Processing method includes the following steps:
Step 1: ensuring that machining tool main shaft vacuum chuck is smooth；
Step 2: optical mirror slip blank to be processed is adsorbed on main shaft vacuum chuck；
Step 3: determining machining tool cutter location using CCD tool setting gauge；
Keep its face to be processed smooth Step 4: treating processing optical lens blank and carrying out processing；
Step 5: measuring the thickness of the optical mirror slip blank to be processed after smooth processing by optical principle；
Step 6: the thickness of the blank obtained in combining step five, completes the processing to optical lens eyeglass, guarantee its thickness
Spend dimensional accuracy.
Preferably, in step 1, ensure that vacuum chuck is smooth by the way of machining.
Preferably, in step 5, the thickness of the optical mirror slip blank to be processed after smooth processing is measured using reflected refraction method
Degree.
The present invention achieves following technical effect compared with the existing technology: the processing of accurate control lens thickness of the invention
Method directly measures the processing thickness of optical lens using optical principle, realizes the closed-loop control to lens thickness, controls precision
Height, secondly, non-contact method measures lens thickness, measurement result is accurately reliable, and processing consistency is good, and easy to accomplish, drop
Low production cost.
Detailed description of the invention
It in order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, below will be to institute in embodiment
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the invention
Example, for those of ordinary skill in the art, without any creative labor, can also be according to these attached drawings
Obtain other attached drawings.
The schematic diagram of the step of Fig. 1 is the processing method of accurate control lens thickness of the invention one；
The schematic diagram of the step of Fig. 2 is the processing method of accurate control lens thickness of the invention two；
The schematic diagram of the step of Fig. 3 is the processing method of accurate control lens thickness of the invention three；
The schematic diagram of the step of Fig. 4 is the processing method of accurate control lens thickness of the invention four；
The schematic diagram of the step of Fig. 5 is the processing method of accurate control lens thickness of the invention five；
The schematic diagram of the step of Fig. 6 is the processing method of accurate control lens thickness of the invention six；
Wherein, 1 is sucker, and 2 be machining tool, and 3 be lens blank, and 4 be CCD tool setting gauge, and 5 be light source, and 6 be polarisation
Mirror, 7 be compensating plate, and 8 be analyser, and 9 be detection device, and α is incidence angle.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
The object of the present invention is to provide a kind of processing methods of accurate control lens thickness, are deposited with solving the above-mentioned prior art
The problem of, improve in process to the precision controllings of optical lens thicknesses.
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, with reference to the accompanying drawing and specific real
Applying mode, the present invention is described in further detail.
Please refer to Fig. 1-6, wherein the step of Fig. 1 is the processing method of accurate control lens thickness of the invention one is shown
The schematic diagram of the step of intention, Fig. 2 is the processing method of accurate control lens thickness of the invention two, Fig. 3 are essence of the invention
The really schematic diagram of the step of processing method of control lens thickness three, Fig. 4 are the processing of accurate control lens thickness of the invention
The schematic diagram of the step of schematic diagram of the step of method four, Fig. 5 is the processing method of accurate control lens thickness of the invention five,
The schematic diagram of the step of Fig. 6 is the processing method of accurate control lens thickness of the invention six.
The present invention provides a kind of processing method of accurate control lens thickness, includes the following steps:
Step 1: ensuring that machining tool main shaft vacuum chuck 1 is smooth, it can ensure that vacuum is inhaled by the way of machining
Disk 1 is smooth, and machining accuracy is high, easy to accomplish.
Step 2: optical mirror slip blank 3 to be processed is adsorbed on main shaft vacuum chuck 1.
Step 3: determining machining tool cutter location using CCD tool setting gauge 4.
Keep its face to be processed smooth Step 4: treating processing optical lens blank 3 and carrying out processing.
Step 5: the thickness of the optical mirror slip blank 3 to be processed after smooth processing is measured by reflected refraction method, it is non-contact
Formula measurement, measurement result precision is high, while guaranteeing that processing consistency is preferable.
Step 6: the thickness of the blank 3 obtained in combining step five, completes the processing to optical lens eyeglass, guarantees it
Thickness precision.
The processing method of accurate control lens thickness of the invention directly detects the thickness of machining eyeglass in process
Degree, realizes the closed-loop control to lens thickness, and precision is higher；Secondly, the optical property (refractive index etc.) of optical mirror slip is it is known that logical
Optical non-contact method detection lens thickness is crossed, measurement result is accurately reliable, and processing consistency is preferable.
Specific examples are applied in the present invention, and principle and implementation of the present invention are described, above embodiments
Illustrate to be merely used to help understand method and its core concept of the invention；At the same time, for those skilled in the art, according to
According to thought of the invention, there will be changes in the specific implementation manner and application range.In conclusion the content of the present specification
It should not be construed as limiting the invention.
Claims (3)
1. a kind of processing method of accurate control lens thickness, which comprises the steps of:
Step 1: ensuring that machining tool main shaft vacuum chuck is smooth；
Step 2: optical mirror slip blank to be processed is adsorbed on main shaft vacuum chuck；
Step 3: determining machining tool cutter location using CCD tool setting gauge；
Keep its face to be processed smooth Step 4: treating processing optical lens blank and carrying out processing；
Step 5: measuring the thickness of the optical mirror slip blank to be processed after smooth processing by optical principle；
Step 6: the thickness of the blank obtained in combining step five, completes the processing to optical lens eyeglass, guarantees its thickness gauge
Very little precision.
2. the processing method of accurate control lens thickness according to claim 1, it is characterised in that: in step 1, use
The mode of machining ensures that vacuum chuck is smooth.
3. the processing method of accurate control lens thickness according to claim 1, it is characterised in that: in step 5, use
Reflected refraction method measures the thickness of the optical mirror slip blank to be processed after smooth processing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810669655.6A CN108942403B (en) | 2018-06-26 | 2018-06-26 | A kind of processing method of accurate control lens thickness |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810669655.6A CN108942403B (en) | 2018-06-26 | 2018-06-26 | A kind of processing method of accurate control lens thickness |
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| Publication Number | Publication Date |
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| CN108942403A CN108942403A (en) | 2018-12-07 |
| CN108942403B true CN108942403B (en) | 2019-08-02 |
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| CN201810669655.6A Active CN108942403B (en) | 2018-06-26 | 2018-06-26 | A kind of processing method of accurate control lens thickness |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP5848902B2 (en) * | 2011-06-30 | 2016-01-27 | 株式会社アルバック | Film thickness measuring device |
| CN108168446B (en) * | 2016-03-30 | 2019-12-17 | 南通大学 | Infrared reflection method based online detection method for thickness of metal sheet printing wet film |
| CN205817104U (en) * | 2016-06-28 | 2016-12-21 | 深圳英诺激光科技有限公司 | A kind of laser process equipment removing thin film or coating |
| CN107478165A (en) * | 2017-08-23 | 2017-12-15 | 苏州鑫河镜业有限公司 | A kind of lens surface coating film thickness evenness test device |
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| CN108942403A (en) | 2018-12-07 |
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