CN101234843A - Die for forming lens - Google Patents
Die for forming lens Download PDFInfo
- Publication number
- CN101234843A CN101234843A CNA2007103007110A CN200710300711A CN101234843A CN 101234843 A CN101234843 A CN 101234843A CN A2007103007110 A CNA2007103007110 A CN A2007103007110A CN 200710300711 A CN200710300711 A CN 200710300711A CN 101234843 A CN101234843 A CN 101234843A
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- mould
- forming lens
- inserts
- lens
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Abstract
The invention relates to a mould used for forming lens, aligning to optical axis centers of a first surface and a second surface in high accuracy for both a pair of insert modes arranged in a multi-cavity mold. A fixed mode (20) is consisted of a mirror module (23) forming an optical function transfer printing surface (23a), the insert modes (22) provided with the mirror module (23), and a model frame (21) arranging a plurality of insert modes (22). A movable mode (30) also adopts the same composition. The insert mode (22) and the insert mode (23) are provided with location holes (24, 34) and dowel pins (25, 35). When the fixed mode (20) and the movable mode (30) are closed, the dowel pin (35) is chimeric in the location hole (24), and the location hole (34) is chimeric in the dowel pin (25). The insert mode (22) and the insert mode (23) are separately provided with two location holes (24, 34) and two dowel pins (25, 35). Two location holes are arranged in a position which is point symmetry related to the optical axis, and two dowel pins are arranged after a position which migrates 90 degree related to the location holes.
Description
Technical field
The present invention relates to a kind of mould of the optical lens that is used to be shaped, relate in particular to and when the shaping optical lens, make the 1st center of lens and the 2nd 's center not have the die for forming lens of location dislocation.
Background technology
In the past, generally speaking the mould of shaping optical lens was as the following patent documentation 1 disclosed mould that is made of upper die and lower die.Upper die and lower die are installed on respectively on a pair of template relative on same axle, and the set bullport of the leading axle that a side of template is set and the opposing party is chimeric and be positioned, and one can be with slip.For example, slidably the time, cylinder mould is installed, and the counterdie body part that is provided with the forming lens face is entrenched in the cylinder hole that is arranged at cylinder mould at counterdie at patrix.Patrix is entrenched in the patrix body in the cylinder hole of cylinder mould, thus the inside in cylinder hole, the forming lens face that is arranged on patrix and the forming lens face that is arranged on counterdie relative and formation forming lens space on same axle.On the forming lens face that counterdie is provided with, place pre-heated glass material, upper die and lower die are closed to form the said lens formingspace by making, thereby at above-mentioned glass material transfer printing lens shape.
[patent documentation 1] patent disclosure 2005-206430 communique
At patent documentation 1 described mould, make the optical axis center of each forming lens face of upper die and lower die become unanimity by cylinder mould.But, the positional precision of upper die and lower die, the main mutual positional precision of template that determines by above-mentioned leading axle and bullport of being subjected to, more and, because of between patrix and counterdie and cylinder mould, being provided with hole, so upper die and lower die might be with respect to cylinder mould along the amount that is offset hole in the other direction.
And, when above-mentioned mould is multi-cavity mold,, therefore, has also influenced the positional precision of forming lens face on mould, and made the final position of the optical axis center of each forming lens face become poorer owing to a plurality of forming lens faces are set respectively at upper die and lower die.Thereby, for the optical axis center that makes all forming lens faces with high precision alignment, must make each size of mould with very high precision, have a lot of difficult problems.
Summary of the invention
For this problem, the present invention installs a plurality of inserts moulds respectively at upper die and lower die, position each other by inserts mould up and down, the discrete discrepancy of the position of inserts mould disappears, and the optical axis center that just can make the forming lens face that is arranged on the inserts mould is with high precision alignment.
Comprise by molding die of the present invention, but all possess respectively: the inserts mould of optical function transfer surface with optical function face of transfer printing lens at fixed mould and dynamic model; With with this inserts mould with the adjustable perfect square formula in position install framed.Above-mentioned inserts mould is provided with pilot hole and steady brace, but as when said fixing mould and dynamic model are closed, making the localized each other locating mechanism of each inserts mould.But at the steady brace of the chimeric above-mentioned dynamic model of pilot hole of said fixing mould, but at the pilot hole of the chimeric above-mentioned dynamic model of steady brace of said fixing mould.
Above-mentioned inserts mould has two above-mentioned pilot holes and above-mentioned steady brace respectively separately.Above-mentioned 2 pilot holes are configured in respect to lens axis and become point-symmetric position.The configuration of above-mentioned steady brace also is embedded in the lens axis position that is the center after 90 ° of the above-mentioned pilot hole skews.Above-mentioned steady brace also is entrenched in to be located in the above-mentioned framed fixed orifices.
According to the present invention, can make the optical axis center of all forming lens faces that are arranged on multi-cavity mold with high precision alignment with simple structure.
Description of drawings
But Fig. 1 is by the injection molded of the present invention fixed mould of lens die and the sectional view of dynamic model.
Fig. 2 is the framed oblique drawing that expression embeds 8 inserts moulds.
But Fig. 3 is the oblique drawing of expression dynamic model with the inserts mould.
Fig. 4 is the oblique drawing of expression fixed mould with the inserts mould.
Among the figure:
But 10-mould 20-fixed mould 21,31-are framed 22,32-inserts mould 23,33- minute surface module 23a, 33a-optical function transfer surface 24,34-pilot hole 25,35-steady brace 26-bullport 30-dynamic model 36-leading axle
Embodiment
Structure for the mould of the shaping optical lens of embodiments of the present invention describes.But the die for forming lens 10 of Figure 1 and Figure 2 is made of with dynamic model 30 fixed mould 20.Fixed mould 20 by framed 21, constitute at framed 21 inserts moulds of installing with the adjustable perfect square formula in position 22 and the minute surface module 23 that is embedded in inserts mould 22, but dynamic model 30 also is same formation.
But possesses leading axle 36 at framed 31 of dynamic model 30.Be provided with the bullport 26 chimeric with above-mentioned leading axle 36 at framed 21 of fixed mould 20, above-mentioned leading axle 36 slides at bullport 26, thereby but carries out fixed mould 20 and dynamic model 30 opens and closes.
Is that segmental inserts mould 22 embeds rounded (with reference to Fig. 2 and Fig. 3) framed 21 with 8.Though not shown, but embed 8 inserts moulds 32 rounded equally at framed 31 of dynamic model 30.8 inserts moulds that embed in 8 inserts moulds that embed in framed 21 and framed 31 dispose according to respectively having a pair of mode of one's own.
As shown in Figure 4, inserts mould 22 is provided with forming lens space 40 in central authorities.Central part in forming lens space 40 has for the hole 41 that embeds minute surface module 23, is provided with flange and forms face 42 around it.But flange forms face 42 by forming the flange part that face 52 (with reference to Fig. 3) forms lens with the set flange of the inserts mould 32 of dynamic model 30.
Embed minute surface module 23 in above-mentioned hole 41, and be formed with optical function transfer surface 23a at the front end of minute surface module 23.Optical function transfer surface 23a is according to being used to make optical lens to realize that incident light and emergent light with the scope that the design shape of predetermined angular refractive function forms, just make minute surface in order to be transferred to lens when being shaped.But minute surface module 23 and the space that is embedded between the minute surface module 32 in hole 51 of inserts mould 32 of dynamic model 30 form lens shape.
Perforation is arranged on the steady brace 25 of framed 21 fixed orifices 27, and it is outstanding from inserts mould 22 to connect inserts mould 22 and its front end.Because the hole of steady brace 25 and inserts mould 22 is closely chimeric, and makes steady brace 25 closely be fixed on inserts mould 22.Steady brace 25 is provided with 2, and the optical axis that is configured in above-mentioned minute surface module 23 is that the center becomes 180 ° of symmetric positions.
In position 2 pilot holes 24 are set from steady brace 25 half-twists.And at inserts mould 32, relative position is provided with pilot hole 34 on steady brace 25 coaxial, and relative position is provided with steady brace 35 on pilot hole 24 coaxial.
The effect of mould of the present invention then, is described.As above-mentioned, be directed sliding but framed 31 set leading axles 36 of dynamic model 30 are entrenched in framed 21 the bullport 26 that is arranged at fixed mould 20, but carry out the switching of fixed mould 20 and dynamic model 30.
At this, be configured in the steady brace 25 and the pilot hole 24 of inserts mould 22, be center and with the optical axis of minute surface module 23 with 90 ° of alternately configured at interval, optical axis is positioned at the center by the circle of steady brace 25 and pilot hole 24.On the other hand, being configured in the steady brace 35 and the pilot hole 34 of inserts mould 32, also is center and with 90 ° of alternately configured at interval with the optical axis of minute surface module 33, and optical axis is positioned at the center by the circle of steady brace 35 and pilot hole 34.
Framed 21 and framed 31 aim at before, steady brace 25 is entrenched in the pilot hole 34, steady brace 35 is entrenched in pilot hole 24. Steady brace 25 and 35 closely is entrenched in inserts mould 22 and 32 and be fixed, so, it is consistent with 32 each steady brace and pilot hole to be arranged on inserts mould 22, and it is in full accord to be positioned at the optical axis center of optical function transfer surface 33a of the optical axis center of optical function transfer surface 23a of minute surface module 23 of its central position and minute surface module 33.
So, between a pair of inserts mould 22 and 23, carry out optical axis alignment.This optical axis alignment is owing to independently carry out respectively at above-mentioned 8 groups of inserts moulds, so, the small discrete discrepancy of each inserts mould even also be out of question.
Multi-cavity mold (most Ge get り gold type) has been described in the above-described embodiment, but the present invention is not limited thereto, also can adopts 1 cavity mould.
In addition, the injection molded mould has been described in the above-described embodiment, but the present invention is not limited thereto, also can adopts at molding die.
Claims (7)
1. die for forming lens, but all possess respectively at fixed mould and dynamic model: the inserts mould of optical function transfer surface with optical function face of transfer printing lens; With with this inserts mould with the adjustable perfect square formula in position install framed,
Above-mentioned inserts mould is provided with: but when said fixing mould and dynamic model are closed, make separately the localized each other locating mechanism of inserts mould.
2. die for forming lens according to claim 1 is characterized in that, above-mentioned locating mechanism is mutual chimeric steady brace and pilot hole.
3. die for forming lens according to claim 2 is characterized in that, above-mentioned pilot hole is 2 pilot holes that become 180 ° of symmetric position configuration at relative lens axis.
4. the described die for forming lens of claim 3 is characterized in that, it is position behind the half-twist of center with the lens axis that above-mentioned steady brace is embedded in above-mentioned relatively pilot hole.
5. each described die for forming lens in the claim 2 to 4 is characterized in that, above-mentioned steady brace is with to be arranged on above-mentioned framed fixed orifices chimeric.
6. each described die for forming lens in the claim 1 to 5 is characterized in that, above-mentioned framed a plurality of above-mentioned inserts moulds that possess, and a plurality of lens are shaped at every turn.
7. each described die for forming lens in the claim 1 to 6 is characterized in that, above-mentioned optical function transfer surface is formed on the minute surface module of installing in the above-mentioned inserts mould.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2007023926A JP2008188815A (en) | 2007-02-02 | 2007-02-02 | Lens molding die |
| JP2007023926 | 2007-02-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101234843A true CN101234843A (en) | 2008-08-06 |
Family
ID=39749383
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007103007110A Pending CN101234843A (en) | 2007-02-02 | 2007-12-25 | Die for forming lens |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2008188815A (en) |
| CN (1) | CN101234843A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103317669A (en) * | 2012-03-23 | 2013-09-25 | 三星电机株式会社 | Injection mould for lens manufacture |
| CN103963193A (en) * | 2014-04-30 | 2014-08-06 | 联钢精密科技(苏州)有限公司 | Plastic screw die and producing method thereof |
| CN109093942A (en) * | 2018-10-09 | 2018-12-28 | 深圳市合川智能科技有限公司 | Accurate beveled wheel mold |
| CN109228157A (en) * | 2018-10-09 | 2019-01-18 | 深圳市合川智能科技有限公司 | Precision gear mold |
| CN110709227A (en) * | 2017-06-16 | 2020-01-17 | 奥林巴斯株式会社 | Forming die |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102666054A (en) * | 2009-12-25 | 2012-09-12 | 柯尼卡美能达先进多层薄膜株式会社 | Mold and mold manufacturing method |
| CN106553292A (en) * | 2015-09-30 | 2017-04-05 | 刘细艳 | Mould integration assembling design |
-
2007
- 2007-02-02 JP JP2007023926A patent/JP2008188815A/en active Pending
- 2007-12-25 CN CNA2007103007110A patent/CN101234843A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103317669A (en) * | 2012-03-23 | 2013-09-25 | 三星电机株式会社 | Injection mould for lens manufacture |
| CN103963193A (en) * | 2014-04-30 | 2014-08-06 | 联钢精密科技(苏州)有限公司 | Plastic screw die and producing method thereof |
| CN110709227A (en) * | 2017-06-16 | 2020-01-17 | 奥林巴斯株式会社 | Forming die |
| CN109093942A (en) * | 2018-10-09 | 2018-12-28 | 深圳市合川智能科技有限公司 | Accurate beveled wheel mold |
| CN109228157A (en) * | 2018-10-09 | 2019-01-18 | 深圳市合川智能科技有限公司 | Precision gear mold |
| CN109228157B (en) * | 2018-10-09 | 2024-03-22 | 深圳市合川智能科技有限公司 | Precision gear die |
| CN109093942B (en) * | 2018-10-09 | 2024-03-22 | 深圳市合川智能科技有限公司 | Precise bevel gear die |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2008188815A (en) | 2008-08-21 |
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| PB01 | Publication | ||
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20080806 |