CN101774248A - Manufacturing method of PC lens and die for manufacturing - Google Patents
Manufacturing method of PC lens and die for manufacturing Download PDFInfo
- Publication number
- CN101774248A CN101774248A CN200910042015A CN200910042015A CN101774248A CN 101774248 A CN101774248 A CN 101774248A CN 200910042015 A CN200910042015 A CN 200910042015A CN 200910042015 A CN200910042015 A CN 200910042015A CN 101774248 A CN101774248 A CN 101774248A
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- China
- Prior art keywords
- eyeglass
- die cavity
- die
- manufacturing
- polarizing film
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 31
- 239000002994 raw material Substances 0.000 claims abstract description 22
- 238000000034 method Methods 0.000 claims abstract description 11
- 235000015110 jellies Nutrition 0.000 claims abstract description 7
- 239000008274 jelly Substances 0.000 claims abstract description 7
- 238000010438 heat treatment Methods 0.000 claims abstract description 4
- 238000002347 injection Methods 0.000 claims description 26
- 239000007924 injection Substances 0.000 claims description 26
- 229920000426 Microplastic Polymers 0.000 claims description 4
- 238000001746 injection moulding Methods 0.000 abstract description 3
- 239000002245 particle Substances 0.000 abstract 1
- 230000007547 defect Effects 0.000 description 4
- 238000000465 moulding Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 208000002925 dental caries Diseases 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Landscapes
- Injection Moulding Of Plastics Or The Like (AREA)
- Eyeglasses (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention discloses a manufacturing method of a PC lens, comprising the following steps: (1) fixing a polarizing film on the surface of a female die; (2) performing die assembly on a male die and the female die completely; and (3) heating PC plastic particles into viscous jelly, feeding the jelly in a die cavity by a feed inlet to enable the PC raw material to be combined with the polarizing film, and injection molding the PC lens. The manufacturing method has simple process, can eliminate glow phenomenon of the PC lens, and improves the product yield. The invention also provides a die for manufacturing the PC lens.
Description
Technical field
The invention belongs to the manufacturing field of PC eyeglass, be meant a kind of manufacture method of the PC eyeglass of avoiding halation phenomenon especially and make the used mould structure of this kind PC eyeglass.
Background technology
The PC eyeglass is meant the eyeglass of being made by Merlon, compares with common resin lens, and it has in light weight, characteristics such as eyeglass thin, anti-impact force strong, good weatherability, and can effectively block extraneous ultraviolet irradiation, plays the effect of protection eyes.
In addition; in daily life, except ultraviolet ray, light also can produce irregular diffusing by rough road surface, water surface etc. local time; be commonly called as " dazzle "; the appearance of this dazzle can make the human eye discomfort, produces fatigue, and the clear of thing looked in influence; in order effectively to remove dazzle from all directions; general way is to increase one deck light polarizing film on eyeglass at present, so that light becomes soft, and the protection eyes.
At first please refer to shown in Figure 1, it is the schematic flow sheet of making the PC eyeglass that has light polarizing film at present, simultaneously with reference to shown in Figure 2, the die structure dwg that is in the production process to be adopted, it comprises male model 10 and master mold 20, the two can be involutory mutually, and be formed with die cavity 30 in inside (die cavity of a side only is shown among the figure), and the top of die cavity 30 is formed with injection channel 50 towards charging aperture 40.The step of making the PC eyeglass is:
(1) light polarizing film is fixed on (not shown) on the surface of master mold 20;
(2) male model 10 and master mold 20 are carried out the part matched moulds, the space of die cavity 3 is greater than the required space of molded lenses at this moment;
(3) the PC plastic pellet is formed the jelly of thickness through heating, utilize injection machine to inject die cavitys 30 by charging aperture 40;
(4) male model 10 and master mold 20 are carried out the secondary matched moulds, thereby PC raw material and light polarizing film are combined extrusion modling PC eyeglass.
Yet, in aforementioned technology, because the PC raw material is a jelly, mobile poor, be deposited in easily together after entering die cavity 30, particularly with reference to shown in Figure 3, make the employed mould of PC eyeglass at present, be the identical straight mouth structure of width from injection channel 50, like this, when the PC raw material is entered in the die cavity 30 by charging aperture 40, be deposited in together, be difficult for only depending on the pressure of injection machine to be difficult to make the PC raw material in die cavity 30, to be evenly distributed, therefore need to cooperate the secondary matched moulds to external diffusion, extruding force when male model 10 is drawn close with master mold 20 during by matched moulds, make the PC feed distribution in whole die cavity 30,, yet also can make the inside of PC raw material produce bigger internal stress though this mode can make the PC raw material be evenly distributed to a certain extent, cause the surface of light polarizing film very easily to produce multicolored halation, influence exterior quality, and inside quality can be affected also, the quantity of defect ware increases.
Because above-mentioned analysis, the inventor furthers investigate at present mould manufacturing method, and through repeatedly improving, this case produces thus.
Summary of the invention
Main purpose of the present invention is to provide a kind of manufacture method and die for manufacturing of PC eyeglass, and it can eliminate the halation phenomenon of PC eyeglass, improves the qualification rate of product.
In order to reach above-mentioned purpose, solution of the present invention is:
A kind of manufacture method of PC eyeglass comprises the steps: that (1) is fixed on light polarizing film on the surface of master mold; (2) male model and master mold are carried out whole matched moulds; (3) the PC plastic pellet is formed the jelly of thickness through heating, enter in the die cavity, PC raw material and light polarizing film are combined, injection mo(u)lding PC eyeglass by charging aperture.
A kind of die for manufacturing of PC eyeglass comprises male model and master mold, and the apposition position of the two is formed with die cavity, and forms injection channel between die cavity and the charging aperture, and described injection channel is to the gradually wide flared structure of die cavity by charging aperture.
The sideline of above-mentioned injection channel and the outer contour of die cavity are tangent.
After adopting such scheme, the present invention has following improvement:
(1) changes injection channel existing straight mouthful in the mould into flared structure, increased PC material feeding passage, the PC raw material when injecting with the contact-making surface increase of die cavity, in die cavity, be evenly distributed easily, the injection pressure of injection machine is less in addition, and then internal stress reduces when matched moulds, avoids the generation of halation on the light polarizing film in the finished product, reduce the production of defect ware, enhance productivity and the quality of production;
(2) by reducing the matched moulds number of times, before injection moulding, promptly finish whole matched moulds, space boundary with die cavity, only depend on the injection pressure of injection machine like this, the PC raw material is evenly distributed in die cavity, reduces the generation of PC raw material internal stress, thereby effectively avoid the generation of multicolored halation on the eyeglass light polarizing film, reduce the output of defect ware, improve the quality of production of product.
Description of drawings
Fig. 1 is the manufacturing procedure picture of traditional PC eyeglass;
Fig. 2 is the part-structure sectional side view that traditional manufacturing PC eyeglass is used mould;
Fig. 3 is the top plan view that traditional manufacturing PC eyeglass is used mould;
Fig. 4 is the manufacture method flow chart of PC eyeglass of the present invention;
Fig. 5 is a top plan view of making the used mould of PC eyeglass among the present invention.
The specific embodiment
Below in conjunction with drawings and the specific embodiments operating process of the present invention and beneficial effect are elaborated.
Shown in Figure 5 is the mould structure schematic diagram that manufacturing provided by the present invention has the PC eyeglass of light polarizing film, it comprises male model 1 and master mold 2, apposition position at the two is formed with the die cavity 3 that is used for moulding PC eyeglass, the cross section of this die cavity 3 is circular, be used for the circular PC eyeglass of moulding, and be formed with injection channel 5 between the charging aperture above die cavity 3 and the mould 4, the aforementioned habit that is has structure, does not repeat them here.
Improvement of the present invention is: the cross sectional shape of injection channel 5 is tubaeform, and it is radially gradually wide to die cavity 3 by charging aperture 4, preferably that the outline line of the sideline of injection channel 5 and die cavity 3 is tangent, like this when charging, make the contact-making surface of PC raw material and die cavity 3 reach maximum, under the less pressure effect of injection machine, be easy to the PC raw material evenly is covered with die cavity 3, thereby when carrying out matched moulds, reduce the internal stress of PC raw material inside, avoid the generation of multicolored halation on the light polarizing film in the PC eyeglass, reduce the defect ware rate, improve the production quality.
Cooperate aforementioned structure, with reference to shown in Figure 4, the present invention discloses a kind of manufacture method of PC eyeglass, and its step is as follows:
(1) light polarizing film is fixed on the surface of master mold 2;
(2) male model 1 and master mold 2 are carried out whole matched moulds, this moment the die cavity 3 between the two PC eyeglass big or small consistent of size and desire moulding;
(3) the PC plastic pellet is heated, form the jelly of thickness, by injection machine with aforementioned PC raw material by charging aperture 4, send in the die cavity 3 via injection channel 5, and under injection pressure, make the evenly distribution die cavity 3 in of PC raw material, PC raw material and light polarizing film are combined, form the PC eyeglass.
In sum, the manufacture method and the die for manufacturing of a kind of PC eyeglass of the present invention, focus on carrying out the secondary matched moulds again with injecting the PC raw material in the traditional manufacturing technique earlier, only change into and behind male model 1 and master mold 2 whole matched moulds, carry out injection moulding, can effectively avoid the generation of the inner internal stress of PC raw material like this, and flaring injection channel 5 can increase the PC raw material when injecting and the contact-making surface of die cavity 3, make the PC raw material under the pressure of injection machine, be uniformly distributed in the die cavity 3 easily, further reduce internal stress, eliminate the halation phenomenon on the PC eyeglass light polarizing film, improve the quality of products.
Above embodiment only for explanation technological thought of the present invention, can not limit protection scope of the present invention with this, every technological thought that proposes according to the present invention, and any change of being done on the technical scheme basis all falls within the protection domain of the present invention.
Claims (3)
1. the manufacture method of a PC eyeglass is characterized in that comprising the steps:
(1) light polarizing film is fixed on the surface of master mold;
(2) male model and master mold are carried out whole matched moulds;
(3) the PC plastic pellet is formed the jelly of thickness through heating, enter in the die cavity, PC raw material and light polarizing film are combined, injection mo(u)lding PC eyeglass by charging aperture.
2. the die for manufacturing of a PC eyeglass comprises male model and master mold, and the apposition position of the two is formed with die cavity, and forms injection channel between die cavity and the charging aperture; It is characterized in that: described injection channel is to the gradually wide flared structure of die cavity by charging aperture.
3. the die for manufacturing of a kind of PC eyeglass as claimed in claim 2 is characterized in that: the sideline of described injection channel and the outer contour of die cavity are tangent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910042015A CN101774248A (en) | 2009-08-20 | 2009-08-20 | Manufacturing method of PC lens and die for manufacturing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910042015A CN101774248A (en) | 2009-08-20 | 2009-08-20 | Manufacturing method of PC lens and die for manufacturing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101774248A true CN101774248A (en) | 2010-07-14 |
Family
ID=42510902
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910042015A Pending CN101774248A (en) | 2009-08-20 | 2009-08-20 | Manufacturing method of PC lens and die for manufacturing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101774248A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107225739A (en) * | 2017-06-29 | 2017-10-03 | 厦门立扬光学科技有限公司 | Machining eyeglass is from clutch Processes and apparatus |
-
2009
- 2009-08-20 CN CN200910042015A patent/CN101774248A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107225739A (en) * | 2017-06-29 | 2017-10-03 | 厦门立扬光学科技有限公司 | Machining eyeglass is from clutch Processes and apparatus |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20100714 |