CN103085297A - Manufacturing method of polarized lens and structure of polarized lens - Google Patents
Manufacturing method of polarized lens and structure of polarized lens Download PDFInfo
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- CN103085297A CN103085297A CN2013100284051A CN201310028405A CN103085297A CN 103085297 A CN103085297 A CN 103085297A CN 2013100284051 A CN2013100284051 A CN 2013100284051A CN 201310028405 A CN201310028405 A CN 201310028405A CN 103085297 A CN103085297 A CN 103085297A
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Abstract
The invention relates to the improvement on a lens manufacturing process. A manufacturing method of a polarized lens comprises the following steps of: A. cutting: selecting a polarized membrane and cutting the polarized membrane into a membrane size for producing the lens; B. coating: uniformly coating a bonding agent on one surface of the polarized membrane with the cut size; C. bending the membrane: carrying out extending and stretching on the polarized membrane coated with the bonding agent to meet the surface curvature of a lower mould of a mould; D. injecting glue: placing and fixing the bent membrane on the surface of the lower mould; and after an upper mould and the lower mould are combined, ejecting fused liquid from a cavity, wherein the temperature of the fused liquid is 220-260 DEG C; E. de-molding: after cooling, taking out a molded polarized lens semi-finished-product from the mould; and F. hardening: carrying out surface hardening treatment on the polarized lens semi-finished-product. The polarized lens structurally comprises a polarized membrane layer, a glue layer and a lens layer which are overlapped in sequence. The manufacturing method of the polarized lens, disclosed by the invention, can manufacture the polarized lens with excellent optical condition stability and an excellent lens inner stress function.
Description
Technical field
The present invention relates to the eyeglass manufacturing process and improve, especially relate to a kind of manufacture method of polarized lenses and the structure of this polarized lenses.
Background technology
Impinge upon the dazzling light of the equality direction on the water surface, land or snowfield in order to filter the sun, people generally wear polaroid glasses, and polaroid glasses are processed into suitable big or small eyeglass with the polarisation nude film and are arranged in mirror holder and consist of.The effect of polaroid glasses is exactly the characteristic of having utilized polarized lenses---and be exactly only to allow that in natural daylight, the light of a certain particular polarization passes.Polarized lenses adheres to one deck light polarizing film and forms on the ordinary optical eyeglass.Optical mirror slip can adopt glass material or macromolecule material, due to macromolecule material compare glass material have lightweight, be easy to production and processing, therefore the macromolecule material eyeglass has extensively adopted and substantially replaced glass lens.The below only discusses for the polarized lenses of macromolecule material.
The manufacturing process of existing polarized lenses (nude film) mainly comprises following several: A). the patent documentation that is 202256743U as publication number discloses, by upper and lower two optics PC plate applying clamping a slice polarisation diaphragms, utilize the PC polarized lenses of mould plastotype after thermoplastic.B). the patent documentation that is 101774248A as publication number discloses, the polarisation diaphragm is fixed on the surface of master mold, again male model and master mold are carried out whole matched moulds, then the PC plastic pellet is formed the jelly of thickness through heating, entered in die cavity by charging aperture, PC raw material and light polarizing film are combined, injection mo(u)lding PC eyeglass, this technique claims again jetting formation process in the PC film.C). by upper and lower two optics nylon sheet applying clamping a slice polarisation diaphragms, utilize the nylon polarized lens of mould plastotype after thermoplastic.D). the patent documentation that is 102749724A as publication number discloses, the location division that the polarisation diaphragm is divided by its four corners and lower film top end face be formed for the molded lenses dashpot the buffering fin coordinate the location fixing after, nylon material is formed a die cavity ejection formation for molded lenses near counterdie from patrix, this technique claims again jetting formation process in nylon membrane again.E). the patent documentation that is 101334532A as publication number discloses, and light polarizing film is placed between 2 layers of PMMA sheet material, and all is coated with layer of adhesive on the top layer up and down of light polarizing film, and light polarizing film and 2 layers of PMMA are bonded as one, and produces polarisation sheet material; Polarisation sheet material is cut into the polarisation nude film; The polarisation nude film is placed in vacuum environment, through 100-140 degree centigrade of thermoplastic, and produces the fur of polarized lenses R value through extrusion equipment, with the workprint of polarized lenses R value, 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 is all in the some shortcomings part, optical condition stability and eyeglass internal stress or all lack, or can't take into account.As everyone knows, the unstable rule of optical condition certainly leads to impact for wearer's eyesight, and the existence of eyeglass internal stress will inevitably exert an influence to physical property and the optical property of eyeglass, should eliminate as much as possible in the eyeglass manufacturing.The production method of therefore, seeking the stable high polarized lenses of the little and optical condition of a kind of internal stress is to be badly in need of in the industry the technical problem that solves.
Summary of the invention
Therefore, the present invention's production method of proposing the stable high polarized lenses of the little and optical condition of a kind of internal stress solves.
Technical scheme of the present invention is as follows:
A kind of manufacture method of polarized lenses comprises the steps:
A, cut-parts: choose the polarisation diaphragm, and be cut into the diaphragm size of producing eyeglass;
B, gluing: apply bond at an above-mentioned surface uniform of having cut out the polarisation diaphragm of size;
C, curved film: to the stretching of extending of the above-mentioned polarisation diaphragm that has applied bond, make it meet lower mould surface curvature degree;
D, injection: the diaphragm after above-mentioned curved film is placed in counterdie surface and fixing, after upper and lower mould matched moulds, penetrates fused solution from die cavity, wherein the temperature of fused solution is 220-260 ℃;
E, delivery: the polarized lenses semi-finished product that take out after cooling moulding in the mould;
F, sclerosis: above-mentioned polarized lenses semi-finished product are carried out case-hardening process.
Wherein, described polarisation diaphragm is the TAC-PVA-TAC compound film sheet.
Wherein, described fused solution is the fused solution of PMMA material.
A kind of structure of polarized lenses comprises the light polarizing film lamella, a glue-line and the mirror plate layers that stack gradually.
Wherein, described light polarizing film lamella is compound film sheet, is composited by TAC layer, PVA layer, TAC layer.
Wherein, described mirror plate layers is the eyeglass of PMMA material.
The manufacture method of polarized lenses of the present invention can produce optical condition stability and the eyeglass internal stress characteristic good polarized lenses of holding concurrently.
Description of drawings
Fig. 1 is existing manufacturing process B) polarized lenses of manufacturing carries out internal stress test result figure.
Fig. 2 is existing manufacturing process D) polarized lenses of manufacturing carries out internal stress test result figure.
Fig. 3 is the structural representation of the polarized lenses of method manufacturing of the present invention.
Fig. 4 is that the polarized lenses of process manufacturing of the present invention carries out internal stress test result figure.
The specific embodiment
Now the present invention is further described with the specific embodiment by reference to the accompanying drawings.
The applicant analyzes and tests for the manufacturing process of existing several polarized lenses, finds following situation:
1. existing manufacturing process A), B) in owing to being to adopt PC material eyeglass, so the eyeglass internal stress of PC polarized lenses is larger.Consult shown in Figure 1ly, it is by manufacturing process B) the polarized lenses of manufacturing carry out the internal stress test case, from test result as seen, there is very significantly rainbow in this polarized lenses, shows that the internal stress of this eyeglass is larger.
2. C in existing manufacturing process), D) owing to being to adopt the nylon material eyeglass, although still there are some internal stress in the nylon material lens performance higher than PC material eyeglass.Consult shown in Figure 2ly, it is by manufacturing process D) the polarized lenses of manufacturing carry out the internal stress test case, from test result as seen, this polarized lenses exists some ghosts and slight rainbow, shows that there are some internal stress in this eyeglass.
3. be to produce Polarizer due to what adopt existing manufacturing process A), C), E), and then the mode of production of thermoplastic plastotype, therefore can not pre-set astigmatism, the optics processing conditions such as the number of degrees, optic center point, can only realize in the later stage fining-off, the optical condition of the polarized lenses of therefore producing is unstable.In addition, the eyeglass material of this manufacturing process is combined with light polarizing film and is merged without high temperature afterwards, and the eyeglass of production certainly exists internal stress.
In order to satisfy optical condition stability, adopting the manufacturing process of ejection formation in film is optimal selection.The applicant studies discovery for the generation of the internal stress of eyeglass in the manufacturing process of ejection formation in film again: its self-characteristic to polarisation diaphragm, eyeglass material is relevant, and the production technology of being combined with eyeglass to diaphragm again is relevant.
Existing technique B), D) in diaphragm be combined with eyeglass well, the diaphragm material is still good, but due to the factor of eyeglass self material, and causes the existence of internal stress.And existing technique E) middle eyeglass employing PMMA (chemical name: polymethyl methacrylate, being commonly called as: acrylic or polymethyl methacrylate) material hardness is higher, utilize and eliminate the eyeglass internal stress, but itself and diaphragm are difficult to combination, therefore can only utilize technique E) method diaphragm be combined with eyeglass fix, yet in above-mentioned analysis as can be known, this technique can not guarantee optical condition stability.
Therefore, the applicant seeks again the different diaphragm material of some performances and substitutes.the applicant finds the PMMA-TAC-PMMA compound film sheet, the TAC-PVA-PMMA compound film sheet, the TAC-PVA-TAC-PMMA compound film sheet, the CAP-PVA-CAP-PMMA compound film sheet, the diaphragms such as TAC-PVA-CAP-PMMA compound film sheet can with the eyeglass good combination of PMMA material (because counterdie and the same material of eyeglass of compound film sheet), but make diaphragm can meet the counterdie surface curvature degree of eyeglass mfg. moulding die owing to penetrating the stretching film that needs to extend in molding production process in film, the larger cause of PMMA film hardness in this process because in above-mentioned compound film sheet, the diaphragm slight crack easily occurs, to offset diaphragm slight crack factor and cause the impact of diaphragm internal stress in subsequent production, difficulty is very large.In addition, also higher and difficult buying of above-mentioned diaphragm cost.
The applicant gropes through constantly studying, constantly manufacturing process is carried out research practice, realized that finally in a kind of respond well PMMA film, jetting formation process is made polarized lenses, not only satisfied the optical condition of producing eyeglass, also farthest eliminated the existence of eyeglass internal stress simultaneously.
A kind of manufacture method of polarized lenses comprises the steps:
A, cut-parts: choose the polarisation diaphragm, and be cut into the diaphragm size of producing eyeglass; What described polarisation diaphragm was selected is the TAC-PVA-TAC compound film sheet, cuts out the polarisation diaphragm and can or manually cut out by moulds of industrial equipment by the die-cut cut-parts of die cutting device.
B, gluing: apply bond at an above-mentioned surface uniform of having cut out the polarisation diaphragm of size.
C, curved film: to the stretching of extending of the above-mentioned polarisation diaphragm that has applied bond, make it meet lower mould surface curvature degree.
D, injection: the diaphragm after above-mentioned curved film is placed in counterdie surface and fixing, after upper and lower mould matched moulds, penetrates fused solution from die cavity, described fused solution is PMMA material fused solution, and wherein the temperature of PMMA material fused solution strictly is controlled to be 220-260 ℃.Wherein, mould and locate mode thereof can adopt existing thimble location or by the coordinate location of die buffer fin with diaphragm shapes, and for example several moulds of disclosing of patent publication No. 202522723U, 202147360U, 102689389A are produced.
E, delivery: the polarized lenses semi-finished product that take out after cooling moulding in the mould; Coolingly utilize the cooling realization of nature to get final product.
F, sclerosis: above-mentioned polarized lenses semi-finished product are carried out case-hardening process.Case-hardening is processed and is namely plated the eyeglass reinforced film, and the conventional treatment step that this is treated to the eyeglass of macromolecule material no longer describes in detail in this.
Consult shown in Figure 3ly, the structure according to a kind of polarized lenses of said method manufacturing comprises the light polarizing film lamella 1, a glue-line 2 and the mirror plate layers 3 that stack gradually.
Wherein, described light polarizing film lamella 1 is compound film sheet, is composited by TAC layer 11, PVA layer 12, TAC layer 13.Described mirror plate layers 3 is the eyeglass of PMMA material.
Consult shown in Figure 4ly, a kind of polarized lenses of said method manufacturing is carried out the internal stress test case, from test result as seen, this polarized lenses ghost basically all be can't see, and shows that it is fairly obvious that this manufacture method is eliminated the effect of eyeglass internal stress.
Although specifically show and introduced the present invention in conjunction with preferred embodiment; but the those skilled in the art should be understood that; within not breaking away from the spirit and scope of the present invention that appended claims limits; can make a variety of changes the present invention in the form and details, be protection scope of the present invention.
Claims (6)
1. the manufacture method of a polarized lenses, comprise the steps:
A, cut-parts: choose the polarisation diaphragm, and be cut into the diaphragm size of producing eyeglass;
B, gluing: apply bond at an above-mentioned surface uniform of having cut out the polarisation diaphragm of size;
C, curved film: to the stretching of extending of the above-mentioned polarisation diaphragm that has applied bond, make it meet lower mould surface curvature degree;
D, injection: the diaphragm after above-mentioned curved film is placed in counterdie surface and fixing, after upper and lower mould matched moulds, penetrates fused solution from die cavity, wherein the temperature of fused solution is 220-260 ℃;
E, delivery: the polarized lenses semi-finished product that take out after cooling moulding in the mould;
F, sclerosis: above-mentioned polarized lenses semi-finished product are carried out case-hardening process.
2. the manufacture method of polarized lenses according to claim 1, it is characterized in that: described polarisation diaphragm is the TAC-PVA-TAC compound film sheet.
3. the manufacture method of polarized lenses according to claim 1, it is characterized in that: described fused solution is the fused solution of PMMA material.
4. the structure of a polarized lenses, comprise the light polarizing film lamella, a glue-line and the mirror plate layers that stack gradually.
5. the structure of polarized lenses according to claim 4, it is characterized in that: described light polarizing film lamella is compound film sheet, is composited by TAC layer, PVA layer, TAC layer.
6. the structure of polarized lenses according to claim 4, it is characterized in that: described mirror plate layers is the eyeglass of PMMA material.
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| 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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| 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 true CN103085297A (en) | 2013-05-08 |
| CN103085297B CN103085297B (en) | 2017-03-15 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106541681A (en) * | 2016-11-23 | 2017-03-29 | 浙江宝乐维科技有限公司 | The gluing method for adhering film of eyeglass |
| CN106827757A (en) * | 2017-01-16 | 2017-06-13 | 业成科技（成都）有限公司 | The composite construction of low stress line |
| CN115008799A (en) * | 2022-06-16 | 2022-09-06 | 厦门珈昕偏光科技有限公司 | Method for manufacturing functional lens with pattern |
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| US20030184863A1 (en) * | 2000-12-22 | 2003-10-02 | Yasunobu Nakagoshi | Method of manufacturing polarized spectacle lens |
| 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 |
| CN2919764Y (en) * | 2006-07-17 | 2007-07-04 | 鲁守宝 | High-efficiency electronic heater |
| JP2007293030A (en) * | 2006-04-25 | 2007-11-08 | Hong Tai Optical Co Ltd | Manufacturing method of polarizing lens and polarizing plate used therefor |
| CN101726764A (en) * | 2008-10-17 | 2010-06-09 | 金泰德 | Polarized lens and method for manufacturing same |
| 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
- 2013-01-25 CN CN201310028405.1A patent/CN103085297B/en active Active
Patent Citations (6)
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| US20030184863A1 (en) * | 2000-12-22 | 2003-10-02 | Yasunobu Nakagoshi | Method of manufacturing polarized spectacle lens |
| 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 |
| 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 |
| CN101726764A (en) * | 2008-10-17 | 2010-06-09 | 金泰德 | Polarized lens and method for manufacturing same |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106541681A (en) * | 2016-11-23 | 2017-03-29 | 浙江宝乐维科技有限公司 | The gluing method for adhering film of eyeglass |
| 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 |
| CN106827757A (en) * | 2017-01-16 | 2017-06-13 | 业成科技（成都）有限公司 | The composite construction of low stress line |
| CN115008799A (en) * | 2022-06-16 | 2022-09-06 | 厦门珈昕偏光科技有限公司 | Method for manufacturing functional lens with pattern |
| 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 |
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| CN103085297B (en) | 2017-03-15 |
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Inventor after: Li Junnan Inventor before: Wu Junnan |
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