CN114633030B - Lens processing method - Google Patents
Lens processing method Download PDFInfo
- Publication number
- CN114633030B CN114633030B CN202210175869.4A CN202210175869A CN114633030B CN 114633030 B CN114633030 B CN 114633030B CN 202210175869 A CN202210175869 A CN 202210175869A CN 114633030 B CN114633030 B CN 114633030B
- Authority
- CN
- China
- Prior art keywords
- lens
- concave part
- processing method
- laser
- raw material
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000003672 processing method Methods 0.000 title claims abstract description 26
- 239000002994 raw material Substances 0.000 claims abstract description 24
- 238000012545 processing Methods 0.000 claims abstract description 18
- 238000005520 cutting process Methods 0.000 claims abstract description 15
- 238000005530 etching Methods 0.000 claims abstract description 14
- 238000000034 method Methods 0.000 claims abstract description 14
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 10
- 238000005260 corrosion Methods 0.000 claims description 8
- 230000007797 corrosion Effects 0.000 claims description 4
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 238000010408 sweeping Methods 0.000 claims description 3
- 238000005496 tempering Methods 0.000 claims description 3
- 239000012188 paraffin wax Substances 0.000 description 5
- 238000005265 energy consumption Methods 0.000 description 3
- 238000003754 machining Methods 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000003698 laser cutting Methods 0.000 description 2
- 238000012805 post-processing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/36—Removing material
- B23K26/362—Laser etching
- B23K26/364—Laser etching for making a groove or trench, e.g. for scribing a break initiation groove
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/36—Removing material
- B23K26/40—Removing material taking account of the properties of the material involved
- B23K26/402—Removing material taking account of the properties of the material involved involving non-metallic material, e.g. isolators
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D11/00—Producing optical elements, e.g. lenses or prisms
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B27/00—Tempering or quenching glass products
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B33/00—Severing cooled glass
- C03B33/08—Severing cooled glass by fusing, i.e. by melting through the glass
- C03B33/082—Severing cooled glass by fusing, i.e. by melting through the glass using a focussed radiation beam, e.g. laser
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C15/00—Surface treatment of glass, not in the form of fibres or filaments, by etching
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Plasma & Fusion (AREA)
- General Chemical & Material Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Life Sciences & Earth Sciences (AREA)
- Thermal Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Toxicology (AREA)
- Manufacturing & Machinery (AREA)
- Ophthalmology & Optometry (AREA)
- Laser Beam Processing (AREA)
- Lenses (AREA)
Abstract
The invention discloses a lens processing method, wherein the lens processing method comprises the following steps of firstly, cutting the outer contour of a lens on a raw material; step two, cutting a concave part on the lens by using laser; step three, etching the concave part; and fourthly, performing post-treatment on the lens. By adopting the processing method of the scheme, the energy consumed in the processing process of the concave part of the lens can be reduced, and the precision of the lens is improved.
Description
Technical Field
The invention relates to the field of optical equipment processing, in particular to a lens processing method.
Background
The traditional lens is usually provided with a concave part which can be matched with the lens or has the effect of adjusting light rays and the like, and the concave part of the lens is usually processed by numerical control equipment, but a large amount of energy is usually consumed in the process of processing the concave part of the lens by the numerical control equipment, so that resource waste is caused; in addition, the machining precision of the existing numerical control equipment has room for improvement.
Disclosure of Invention
The present invention aims to solve at least one of the technical problems existing in the prior art. Therefore, the invention provides a lens processing method which can reduce the energy consumed in the lens concave part processing process and improve the lens processing precision.
According to an embodiment of the invention, a lens processing method comprises the following steps: step one, cutting the outer contour of the lens on a raw material; step two, cutting a concave part on the lens by using laser; step three, etching the concave part; and fourthly, performing post-treatment on the lens.
The lens processing method provided by the embodiment of the invention has at least the following beneficial effects: and cutting the concave part by using laser, and performing etching treatment on the concave part. In the prior art, the power of a spindle motor of numerical control equipment for processing the concave part only reaches about 50000 watts, and the power of a laser generator for generating laser is only about 30 watts, so that the etching process almost does not need to consume energy, and the lens processing method of the embodiment of the invention greatly reduces the energy consumption in the lens concave part processing process compared with the traditional lens processing method. The numerical control equipment uses the cutter to process, but the actual size of the cutter of the numerical control equipment often deviates from a theoretical value, so that the size, the position and other important parameters of the concave part of the processed lens have larger errors, and the quality of the lens is affected. The laser processing and etching treatment avoid using cutters, and improve the precision of lens processing.
According to some embodiments of the invention, the first step includes: the outer contour is cut using a laser.
According to some embodiments of the invention, the lens processing method further comprises: after cutting the outer contour, the lens does not come off the raw material.
According to some embodiments of the invention, the lens processing method in the first step includes at least two lenses on the raw material, and none of the lenses is separated from the raw material.
According to some embodiments of the invention, the second step includes: the recess profile is cut into the lens using a laser to form the recess into the lens.
According to some embodiments of the invention, the lens processing method further comprises: the concave part is processed by etching to smooth the surface of the concave part.
According to some embodiments of the invention, the method of etching comprises: covering the lens with an anti-corrosion layer; removing the corrosion resistant layer in the area to be corroded; and (5) corroding by using hydrofluoric acid solution.
According to some embodiments of the invention, the lens processing method further comprises: performing light sweeping treatment on the lens; and tempering the lens.
According to some embodiments of the invention, the lens processing method further includes: separating the lens from the raw material.
According to some embodiments of the invention, the lens processing method further includes: printing ink on the surface of the lens; and coating a film on the surface of the lens.
Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
The foregoing and/or additional aspects and advantages of the invention will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:
FIG. 1 is a schematic view of a lens according to an embodiment of the invention;
FIG. 2 is a schematic view of at least two of the lenses of an embodiment of the invention without departing from the stock material;
FIG. 3 is a flow chart of a lens processing method according to an embodiment of the invention;
FIG. 4 is a flowchart of a lens processing method according to a third embodiment of the present invention;
FIG. 5 is a flowchart of a lens processing method according to a fourth embodiment of the present invention;
fig. 6 is a schematic view of a lens according to an embodiment of the invention.
Reference numerals:
recess 100, outer contour 200.
Detailed Description
Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the invention.
In the description of the present invention, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present invention and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.
In the description of the present invention, a number means one or more, a number means two or more, and greater than, less than, exceeding, etc. are understood to not include the present number, and above, below, within, etc. are understood to include the present number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present invention can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.
As shown in fig. 1, the conventional lens has a recess 100, and the recess 100 may be matched with other lenses or lenses, or may be used for adjusting light.
The concave portion 100 may be covered with the lens or may be not completely covered with the lens.
Taking a 2.5D lens as an example, as shown in fig. 6, the recess 100 of the 2.5D lens includes a planar area and an arc-shaped area connected to the planar area, and the recess 100 is filled with the lens.
The recess 100 may also be less than completely filled with the lens, as shown in fig. 1, with the recess 100 occupying only a portion of the lens area.
An embodiment of the present invention provides a lens processing method, as shown in fig. 3, including but not limited to step S100, step S200, step S300, and step S400.
In step S100, the outer contour 200 of the lens is cut.
The raw material is processed to cut the outer contour 200 of the lens. As shown in fig. 1, the outer contour 200 of the lens refers to the maximum contour of the lens, excluding the specific configuration of the lens.
In step S200, the recess 100 is cut on the lens using a laser.
The use of a laser to cut the depressions 100 in the lens results in a laser generator that emits the laser having much less energy consumption than the prior art processes through numerical control devices.
In the prior art, the actual size of a cutter of numerical control equipment often deviates from a theoretical value, so that large errors exist in important parameters such as the size, the position and the like of a concave part 100 of a machined lens, and the quality of the lens is affected. The errors of different cutters are often different, and in the mass production process, the errors of lenses processed by the different cutters are often greatly different, so that the quality of products is difficult to comprehensively master.
In the laser processing process, a cutter is not required to be used for cutting, errors are effectively reduced, laser generated by different laser generators is different, the error difference of processed lenses is small, and the quality of the same batch of products is easy to grasp.
In step S300, the recess 100 is etched.
In the lens after laser processing, the surface of the concave portion 100 is uneven, and there is a possibility that a part of the material to be cut may remain on the lens, and thus the lens needs to be etched.
Step S400, post-processing is carried out on the lens.
And post-processing is carried out on the lens, so that the performance of the lens can meet the requirements.
According to some embodiments of the invention, a laser is used to cut the outer profile 200, as shown in fig. 4. The outer contour 200 is cut by using laser, so that the laser cutting consumes low energy and saves energy.
According to some embodiments of the invention, the lens does not disengage from the raw material after cutting the outer contour 200, as shown in fig. 5. After the contour is cut, the lens is still not separated from the raw material, and the position of the lens on the raw material is not changed, so that the lens does not need to be repositioned in the subsequent processing process, the subsequent processing is convenient, the processing efficiency is increased, errors caused by repositioning are avoided, and the subsequent processing precision is improved.
As shown in fig. 1, the outer contour 200 is cut without completely cutting through the material, and the lens may not be separated from the raw material after the outer contour 200 is cut.
It should be noted that without cutting completely through the material, it means that some of the material is completely cut through, some of the material is not completely cut through, or all of the material is not completely cut through.
According to some embodiments of the invention, as shown in fig. 2, four lenses do not come off the raw material. Because the four lenses are not separated from the raw materials, when the lenses are etched, the whole raw materials are etched, and the etching efficiency is improved. When the lens is toughened, the effect can be achieved on the lens only by integrally processing the raw materials, and the efficiency of the toughening is improved.
It should be noted that the raw material may also have two lenses, three lenses, five lenses or more lenses without departing from the raw material, and is not limited herein.
According to some embodiments of the invention, a laser is used to cut the contours of the recess 100 in the lens to form the recess 100 in the lens. The recess 100 is formed in the lens by cutting the contour of the recess 100 in the lens using a laser. In the prior art, the concave part 100 is cut by adopting a machining mode, redundant materials are needed to be cut layer by a cutter, more work is done, more energy is consumed, the machining is performed by adopting the laser cutting mode, the focusing point of laser is changed, focusing is directly performed according to the outline of the concave part 100, the redundant materials can be integrally cut off, less work is done, and the energy consumption is reduced.
According to some embodiments of the present invention, the recess 100 is etched to smooth the surface of the recess 100. After laser processing, the surface of the concave portion 100 may be uneven, and the concave portion 100 is processed by etching to smooth the surface of the concave portion 100.
According to some embodiments of the present invention, as shown in fig. 4, which is a schematic diagram of one embodiment of step S300 in fig. 1, the step S300 includes, but is not limited to, steps S310, S320, and S330.
Step S310, covering the lens with an anti-corrosion layer.
According to some embodiments of the invention, a paraffin layer is applied to the lens, the paraffin layer being applied to the lens to prevent etching solution from corroding the lens.
Step S320, removing the anti-corrosion layer in the area to be corroded.
And removing the paraffin layer in the corrosion area by using an engraving mode.
Step S330, etching with hydrofluoric acid solution.
The hydrofluoric acid solution is used for corroding the lens, the area to be corroded is corroded due to the fact that the paraffin layer is not arranged, and other areas are covered by the paraffin layer and cannot be corroded.
It should be noted that the corrosion-resistant layer may be other substances that do not react with the hydrofluoric acid solution, and embodiments of the present invention are not limited.
According to some embodiments of the present invention, as shown in fig. 5, which is a schematic diagram of one embodiment of step S400 in fig. 1, step S400 includes, but is not limited to, steps S410, S420, S430, S440, and S450.
In step S410, the lens is scanned.
According to some embodiments of the invention, the lens is subjected to light sweeping treatment, so that the surface of the lens is smoother, and the optical performance of the lens is improved.
Step S420, tempering the lens.
According to some embodiments of the invention, the lens is tempered to obtain higher strength.
Step S430, separating the lens from the raw material.
The lenses were completely cut from the raw material using a laser.
Step S440, printing ink on the surface of the lens.
According to some embodiments of the invention, ink is printed on the lens surface to improve the optical performance of the lens.
Step S450, coating a film on the surface of the lens.
According to some embodiments of the invention, plating an anti-reflection film on the surface of the lens increases the amount of lens light of the lens.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present invention.
Claims (8)
1. A method of lens processing comprising:
step one, cutting the outer contour of the lens on a raw material;
step two, cutting a concave part on the lens by using laser;
step three, etching the concave part;
fourthly, performing post-treatment on the lens;
the second step comprises the following steps: cutting the outline of the concave part on the lens by using laser, forming the concave part on the lens, and directly focusing according to the outline of the concave part by changing the focusing point of the laser, so that the whole redundant material can be cut;
the third step comprises the following steps: the concave part is processed by etching to smooth the surface of the concave part.
2. The method of claim 1, wherein the first step comprises:
the outer contour is cut using a laser.
3. The lens processing method according to claim 2, wherein the step one further comprises:
after cutting the outer contour, the lens does not disengage from the raw material.
4. The method of claim 3, wherein at least two lenses are included on the raw material in the first step, and wherein none of the lenses are separated from the raw material.
5. The lens processing method of claim 1, wherein the etching method comprises:
covering the lens with an anti-corrosion layer;
removing the corrosion resistant layer in the area to be corroded;
and (5) corroding by using hydrofluoric acid solution.
6. The lens processing method according to claim 4, wherein the fourth step comprises:
performing light sweeping treatment on the lens;
and tempering the lens.
7. The lens processing method according to claim 6, wherein the fourth step further comprises:
separating the lens from the raw material.
8. The lens processing method according to claim 7, wherein the fourth step further comprises:
printing ink on the surface of the lens;
and coating a film on the surface of the lens.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210175869.4A CN114633030B (en) | 2022-02-24 | 2022-02-24 | Lens processing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210175869.4A CN114633030B (en) | 2022-02-24 | 2022-02-24 | Lens processing method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114633030A CN114633030A (en) | 2022-06-17 |
| CN114633030B true CN114633030B (en) | 2024-03-26 |
Family
ID=81947802
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210175869.4A Active CN114633030B (en) | 2022-02-24 | 2022-02-24 | Lens processing method |
Country Status (1)
| Country | Link |
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| CN (1) | CN114633030B (en) |
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| DE19529786C1 (en) * | 1995-08-12 | 1997-03-06 | Loh Optikmaschinen Ag | Method and tool for producing a concave surface on a lens blank |
| HK1035879A1 (en) * | 1999-04-01 | 2001-12-14 | Seiko Epson Corp | Production method for spectacle lens |
| CN1857835A (en) * | 2005-05-06 | 2006-11-08 | 萨特隆有限公司 | Machine for grinding optical workpieces, in particular plastic eyeglass lenses |
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| CN106312335A (en) * | 2016-09-14 | 2017-01-11 | 张立国 | Laser drilling and drilled-hole filling system and method |
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| CN212043952U (en) * | 2020-05-04 | 2020-12-01 | 温州立尚眼镜制造有限公司 | Grinding device is used in glasses processing |
| CN112068226A (en) * | 2020-09-11 | 2020-12-11 | 江门英讯通光电科技有限公司 | Optical lens processing method, optical lens and laser field lens |
| CN112917028A (en) * | 2021-02-01 | 2021-06-08 | 西安交通大学 | Laser processing method for flat-bottom blind hole on surface of packaging substrate |
| CN113156547A (en) * | 2021-03-09 | 2021-07-23 | 东莞市鸿瀚电子材料有限公司 | Ultra-thin lens with anti-counterfeiting function for mobile phone camera and production process thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115385579A (en) * | 2022-08-15 | 2022-11-25 | 惠州市清洋实业有限公司 | Camera lens processing technology |
-
2022
- 2022-02-24 CN CN202210175869.4A patent/CN114633030B/en active Active
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| DE19529786C1 (en) * | 1995-08-12 | 1997-03-06 | Loh Optikmaschinen Ag | Method and tool for producing a concave surface on a lens blank |
| HK1035879A1 (en) * | 1999-04-01 | 2001-12-14 | Seiko Epson Corp | Production method for spectacle lens |
| CN1857835A (en) * | 2005-05-06 | 2006-11-08 | 萨特隆有限公司 | Machine for grinding optical workpieces, in particular plastic eyeglass lenses |
| CN104834108A (en) * | 2015-04-07 | 2015-08-12 | 浙江海洋学院 | Processing method of glasses with replaceable reflection structure |
| CN106312335A (en) * | 2016-09-14 | 2017-01-11 | 张立国 | Laser drilling and drilled-hole filling system and method |
| CN106425122A (en) * | 2016-12-05 | 2017-02-22 | 清华大学 | Device and method for laser rotary-cut processing |
| CN109040531A (en) * | 2017-06-09 | 2018-12-18 | 蓝思科技（长沙）有限公司 | Camera processing method |
| CN110441836A (en) * | 2019-08-21 | 2019-11-12 | Oppo（重庆）智能科技有限公司 | The preparation method of eyeglass |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN114633030A (en) | 2022-06-17 |
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