CN103085297B - The manufacture method of polarized lenses and the structure of the polarized lenses - Google Patents
The manufacture method of polarized lenses and the structure of the polarized lenses Download PDFInfo
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- CN103085297B CN103085297B CN201310028405.1A CN201310028405A CN103085297B CN 103085297 B CN103085297 B CN 103085297B CN 201310028405 A CN201310028405 A CN 201310028405A CN 103085297 B CN103085297 B CN 103085297B
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Abstract
The present invention relates to lens manufacturing process is improved.A kind of manufacture method of polarized lenses, comprises the steps：A, cut-parts：Polarisation diaphragm is chosen, and is cut into the diaphragm size of production eyeglass；B, gluing：Bonding agent is uniformly coated on a surface of the above-mentioned polarisation diaphragm for having cut out size；C, curved film：Extension stretching is carried out to the above-mentioned polarisation diaphragm for having coated bonding agent so as to meet lower mould curve；D, injection：Diaphragm after above-mentioned curved film being placed in lower mould surface and being fixed, after upper and lower mould matched moulds, fused solution is projected from die cavity, the wherein temperature of fused solution is 220 260 DEG C；E, delivery：The polarized lenses semi-finished product of shaping are taken out from mould after cooling；F, hardening：Case-hardening process is carried out to above-mentioned polarized lenses semi-finished product.A kind of structure of polarized lenses, including the polarisation membrane layer, a glue-line and the mirror plate layers that stack gradually.The manufacture method of the polarized lenses of the present invention can produce optical condition stability and eyeglass internal stress function and good polarized lenses.
Description
Technical field
The present invention relates to lens manufacturing process is improved, more particularly, to a kind of manufacture method of polarized lenses and the polariscope
The structure of piece.
Background technology
The glare in the equality direction on the water surface, land or snowfield is impinged upon to filter the sun, and people generally wear partially
Polarisation nude film is processed into suitable size eyeglass and is constituted in mirror holder by optical glasses, polaroid glasses.Polaroid glasses
Effect be exactly that to make use of the characteristic of polarized lenses be exactly only to allow the light of a certain particular polarization in natural light to pass through.
Polarized lenses adhere to one layer of light polarizing film to be formed on ordinary optical eyeglass.Optical mirror slip can adopt glass material or
Macromolecule material, due to macromolecule material compare glass material have lightweight, be readily produced processing the characteristics of, therefore macromolecule material
Matter eyeglass is widely used and instead of substantially glass lens.Polarized lenses only for macromolecule material are begged for below
By.
Existing polarized lenses（Nude film）Manufacturing process mainly include following several：A). such as Publication No.
Disclosed in the patent document of 202256743U, by a piece of polarisation diaphragm of upper and lower two panels optics PC plate laminating clamping, heat and soften
Afterwards using the PC polarized lenses of mould plastotype.B). as disclosed in the patent document of Publication No. 101774248A, by light polarizing film
Piece is fixed on the surface of master mold, then male model and master mold are carried out whole matched moulds, then by heated for PC plastic pellets form sticky
Jelly, is entered in die cavity by charging aperture, PC raw materials is combined together with light polarizing film, injection mo(u)lding PC eyeglasses, and the technique is again
Claim jetting formation process in PC films.C). by a piece of polarisation diaphragm of upper and lower two panels optics nylon sheet laminating clamping, after heating and softening
Nylon polarized lens using mould plastotype.D）. as disclosed in the patent document of Publication No. 102749724A, by light polarizing film
Piece forms the cooperation of the buffering fin for molded lenses dashpot by the location division in its four corners point and lower film top end face
After positioning is fixed, then nylon material is formed a die cavity ejection formation for supplying molded lenses, the technique from upper mould near lower mould
Also known as jetting formation process in nylon membrane.E). as disclosed in the patent document of Publication No. 101334532A, light polarizing film is put
Between 2 layers of PMMA sheet materials, and the upper layer in light polarizing film applies a layer of adhesive, and light polarizing film is bonded as with 2 layers of PMMA
Integrally, polarisation sheet material is produced；Polarisation sheet material is cut into polarisation nude film；Polarisation nude film is placed in vacuum environment, is taken the photograph through 100-140
Family name's degree is heated and softened, and produces the fur of polarized lenses R values through extrusion equipment, by the workprint of polarized lenses R values, via grinding,
Crude green body, repair a die, middle throwing, fine polishing operation, produce polarized lenses.
The manufacturing process of above-mentioned several polarized lenses in place of some shortcomings, optical condition stability and eyeglass planted agent
Or power is lacked, or cannot take into account.It is well known that optical condition shakiness rule necessarily leads to shadow for the eyesight of wearer
Ring, and the presence of eyeglass internal stress will necessarily produce impact to the physical property of eyeglass and optical property, should in eyeglass manufacture
Eliminate as much as possible.Therefore, the production method for seeking the polarized lenses that a kind of internal stress is little and optical condition stability is high is industry
The interior technical problem for being badly in need of solving.
Content of the invention
Therefore, the present invention proposes a kind of production method of the polarized lenses that internal stress is little and optical condition stability is high to solve
Certainly.
Technical scheme is as follows：
A kind of manufacture method of polarized lenses, comprises the steps：
A, cut-parts：Polarisation diaphragm is chosen, and is cut into the diaphragm size of production eyeglass；
B, gluing：Bonding agent is uniformly coated on a surface of the above-mentioned polarisation diaphragm for having cut out size；
C, curved film：Extension stretching is carried out to the above-mentioned polarisation diaphragm for having coated bonding agent so as to meet lower mould surface
Flexibility；
D, injection：Diaphragm after above-mentioned curved film is placed in lower mould surface and is fixed, after upper and lower mould matched moulds, projected from die cavity
The temperature of fused solution, wherein fused solution is 220-260 DEG C；
E, delivery：The polarized lenses semi-finished product of shaping are taken out from mould after cooling；
F, hardening：Case-hardening process is carried out to above-mentioned polarized lenses semi-finished product.
Wherein, described polarisation diaphragm is TAC-PVA-TAC compound film sheets.
Wherein, described fused solution is the fused solution of PMMA materials.
A kind of structure of polarized lenses, including the polarisation membrane layer, a glue-line and the mirror plate layers that stack gradually.
Wherein, described polarisation membrane layer is compound film sheet, is composited by TAC layer, PVA layers, TAC layer.
Wherein, eyeglass of the described mirror plate layers for PMMA materials.
The manufacture method of the polarized lenses of the present invention can produce optical condition stability and eyeglass planted agent force characteristic is simultaneous
Good polarized lenses.
Description of the drawings
Fig. 1 is existing manufacturing process B) manufactured by polarized lenses carry out internal stress test result figure.
Fig. 2 is existing manufacturing process D) manufactured by polarized lenses carry out internal stress test result figure.
Fig. 3 is the structural representation of the polarized lenses of method of the present invention manufacture.
Fig. 4 is that the polarized lenses manufactured by the process of the present invention carry out internal stress test result figure.
Specific embodiment
In conjunction with the drawings and specific embodiments, the present invention is further described.
Applicant is analyzed and tests for the manufacturing process of existing several polarized lenses, finds following situation：
1. existing manufacturing process A), B）In due to being the therefore eyeglass planted agent of PC polarized lenses using PC material eyeglasses
Power is larger.Refering to shown in Fig. 1, which is by manufacturing process B) the polarized lenses of manufacture carry out internal stress test case, from survey
Test result is visible, and the polarized lenses have obviously rainbow, show that the internal stress of the eyeglass is larger.
2. C in existing manufacturing process), D）In due to being using nylon material eyeglass, although nylon material lens performance
It is higher than PC material eyeglasses, but still there are some internal stress.Refering to shown in Fig. 2, which is by manufacturing process D) manufacture inclined
Light eyeglass carries out internal stress test case, and from test result, the polarized lenses have some ghosts and slight rainbow, show
There are some internal stress in the eyeglass.
3. existing manufacturing process A), C), E）In produce Polarizer due to using, then reheat and soften plastotype
The mode of production, therefore can not the optical manufacturing condition such as pre-set astigmatism, the number of degrees, optic center point, can only carefully add in the later stage
Work realizes that the optical condition of the polarized lenses for therefore producing is unstable.In addition, the eyeglass material of the manufacturing process is tied with light polarizing film
Merge without high temperature after conjunction, the eyeglass of production certainly exists internal stress.
In order to meet optical condition stability, it is optimal selection using the manufacturing process of ejection formation in film.Applicant is again
Generation for the internal stress of eyeglass in the manufacturing process of ejection formation in film carries out research discovery：Itself and polarisation diaphragm, eyeglass
The self-characteristic of material is related, and related to the production technology combined with eyeglass by diaphragm.
Existing technique B), D) in diaphragm and eyeglass be well combined, diaphragm material is still good, but as eyeglass is from stature
Qualitative factor, and cause the presence of internal stress.And existing process E）Middle eyeglass adopts PMMA (chemical names：Poly-methyl methacrylate
Ester, is commonly called as：Acrylic or polymethyl methacrylate) material hardness is higher, and using eliminating eyeglass internal stress, but which is difficult to tie with diaphragm
Close, therefore can only utilize technique E）Method diaphragm is combined fixation with eyeglass, but understand that the technique is not in above-mentioned analysis
Can guarantee that optical condition stability.
Therefore, applicant seeks the different diaphragm material of some performances to substitute again.It is found by the applicant that PMMA-TAC-PMMA
Compound film sheet, TAC-PVA-PMMA compound film sheets, TAC-PVA-TAC-PMMA compound film sheets, CAP-PVA-CAP-PMMA composite membranes
The diaphragms such as piece, TAC-PVA-CAP-PMMA compound film sheets can be with the eyeglass good combination of PMMA materials（Because compound film sheet
Counterdie and eyeglass same material）, but as extension stretching film is needed in ejection formation production technology in film enable diaphragm
Meet the lower mould surface flexibility that eyeglass manufactures mould, in the process because of PMMA film layer hardness is bigger in above-mentioned compound film sheet
Reason, be susceptible to diaphragm slight crack, will offset diaphragm slight crack factor in subsequent production causes the impact of diaphragm internal stress, difficult
Degree is very big.In addition, above-mentioned diaphragm cost is also higher and is difficult to purchase.
Applicant gropes through constantly research, constantly carries out research practice to manufacturing process, finally achieves a kind of effect
In good PMMA film, jetting formation process not only meets the optical condition of production eyeglass manufacturing polarized lenses, while
The presence of eyeglass internal stress is farthest eliminated.
A kind of manufacture method of polarized lenses, comprises the steps：
A, cut-parts：Polarisation diaphragm is chosen, and is cut into the diaphragm size of production eyeglass；What described polarisation diaphragm was selected is
TAC-PVA-TAC compound film sheets, cut out polarisation diaphragm and can be punched cut-parts or artificial by moulds of industrial equipment by die cutting device
Cut out.
B, gluing：Bonding agent is uniformly coated on a surface of the above-mentioned polarisation diaphragm for having cut out size.
C, curved film：Extension stretching is carried out to the above-mentioned polarisation diaphragm for having coated bonding agent so as to meet lower mould surface
Flexibility.
D, injection：Diaphragm after above-mentioned curved film is placed in lower mould surface and is fixed, after upper and lower mould matched moulds, projected from die cavity
Fused solution, described fused solution is PMMA material fused solutions, and the wherein temperature of PMMA materials fused solution is strictly controlled to 220-260
℃.Wherein, mould and its positioning mode can adopt existing thimble to position or by die buffer fin and diaphragm shapes
Cooperation positioning, such as several moulds disclosed in patent publication No. 202522723U, 202147360U, 102689389A carry out
Production.
E, delivery：The polarized lenses semi-finished product of shaping are taken out from mould after cooling；Cooling is realized using natural cooling
?.
F, hardening：Case-hardening process is carried out to above-mentioned polarized lenses semi-finished product.Case-hardening is processed
Film, this are processed as the Conventional processing steps of the eyeglass of macromolecule material, no longer describe in detail in this.
Refering to shown in Fig. 3, a kind of structure of the polarized lenses according to manufactured by said method, including stacking gradually are inclined
Light membrane layer 1, a glue-line 2 and mirror plate layers 3.
Wherein, described polarisation membrane layer 1 is compound film sheet, is composited by TAC layer 11, PVA layers 12, TAC layer 13.Institute
Eyeglass of the mirror plate layers 3 that states for PMMA materials.
Refering to shown in Fig. 4, a kind of polarized lenses that said method is manufactured are carried out internal stress test case, from test result
It can be seen that, the polarized lenses substantially ghost all be can't see, and it is very to show that the manufacture method eliminates the effect of eyeglass internal stress
Significantly.
Although specifically showing and describing the present invention in conjunction with preferred embodiment, those skilled in the art should be bright
In vain, in the spirit and scope of the present invention limited without departing from appended claims, in the form and details can be right
The present invention makes a variety of changes, and is protection scope of the present invention.
Claims (2)
1. a kind of manufacture method of polarized lenses, comprises the steps：
（A）Cut-parts：Polarisation diaphragm is chosen, and is cut into the diaphragm size for producing eyeglass, described polarisation diaphragm is TAC-PVA-
TAC compound film sheets；
（B）Gluing：Bonding agent is uniformly coated on a surface of the above-mentioned polarisation diaphragm for having cut out size；
（C）Curved film：Extension stretching is carried out to the above-mentioned polarisation diaphragm for having coated bonding agent so as to meet lower mould surface curvature
Degree；
（D）Injection：Diaphragm after above-mentioned curved film is placed in lower mould surface and is fixed, after upper and lower mould matched moulds, PMMA is projected from die cavity
The fused solution of material, the wherein temperature of the fused solution of PMMA materials are 220-260 DEG C；
（E）Delivery：The polarized lenses semi-finished product of shaping are taken out from mould after cooling；
（F）Hardening：Case-hardening process is carried out to above-mentioned polarized lenses semi-finished product.
2. polarized lenses manufactured by a kind of manufacture method of polarized lenses according to claim 1, including stacking gradually
A polarisation membrane layer, a glue-line and mirror plate layers；Described polarisation membrane layer is compound film sheet, by TAC layer, PVA layers, TAC
Layer is composited；Eyeglass of the described mirror plate layers for PMMA materials.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310028405.1A CN103085297B (en) | 2013-01-25 | 2013-01-25 | The manufacture method of polarized lenses and the structure of the polarized lenses |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310028405.1A CN103085297B (en) | 2013-01-25 | 2013-01-25 | The manufacture method of polarized lenses and the structure of the polarized lenses |
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| CN103085297A CN103085297A (en) | 2013-05-08 |
| CN103085297B true CN103085297B (en) | 2017-03-15 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106541681B (en) * | 2016-11-23 | 2018-06-22 | 浙江宝乐维科技有限公司 | The gluing method for adhering film of eyeglass |
| CN106827757B (en) * | 2017-01-16 | 2019-08-06 | 业成科技（成都）有限公司 | The three-dimensional cover board of low stress line |
| CN115008799B (en) * | 2022-06-16 | 2024-06-11 | 厦门珈昕偏光科技有限公司 | Manufacturing method of functional lens with patterns |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2836046Y (en) * | 2005-08-31 | 2006-11-08 | 厦门立扬光学科技有限公司 | Composite structure of polarized lens |
| CN101726764A (en) * | 2008-10-17 | 2010-06-09 | 金泰德 | Polarized lens and method for manufacturing same |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6807006B2 (en) * | 2000-12-22 | 2004-10-19 | Hiroshi Kawahara | Method of manufacturing polarized spectacle lens |
| JP2007293030A (en) * | 2006-04-25 | 2007-11-08 | Hong Tai Optical Co Ltd | Manufacturing method of polarizing lens and polarizing plate used therefor |
| CN2919764Y (en) * | 2006-07-17 | 2007-07-04 | 鲁守宝 | High-efficiency electronic heater |
| CN203101675U (en) * | 2013-01-25 | 2013-07-31 | 厦门珈昕偏光科技有限公司 | Polarized light lens structure |
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- 2013-01-25 CN CN201310028405.1A patent/CN103085297B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2836046Y (en) * | 2005-08-31 | 2006-11-08 | 厦门立扬光学科技有限公司 | Composite structure of polarized lens |
| CN101726764A (en) * | 2008-10-17 | 2010-06-09 | 金泰德 | Polarized lens and method for manufacturing same |
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Inventor after: Li Junnan Inventor before: Wu Junnan |
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Free format text: CORRECT: INVENTOR; FROM: WU JUNNAN TO: LI JUNNAN |
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