CN100476459C - Ultraviolet light photopolymerization device and photopolymerization method - Google Patents
Ultraviolet light photopolymerization device and photopolymerization method Download PDFInfo
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- CN100476459C CN100476459C CNB2006101383251A CN200610138325A CN100476459C CN 100476459 C CN100476459 C CN 100476459C CN B2006101383251 A CNB2006101383251 A CN B2006101383251A CN 200610138325 A CN200610138325 A CN 200610138325A CN 100476459 C CN100476459 C CN 100476459C
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- ultraviolet light
- light
- photopolymerization
- reflection unit
- spectroscope
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Abstract
The invention provides an ultraviolet light curing device and a curing method which can be used for producing compounding eyeglasses and comprises an ultraviolet light generator used for emitting ultraviolet light; a light dividing device used for receiving ultraviolet light and dividing the ultraviolet light into at least two parts for a first partial ultraviolet light which can directly advance on the objects waiting for being irradiated and can cover partial preset irradiated districts of the objects waiting for being irradiated and a second partial ultraviolet light advancing separately with the first partial ultraviolet light; and a reflection device which bears with the help of a bearing mechanism and is positioned on the surrounding side of the light dividing device; the reflection device is arranged on a light path of the second partial ultraviolet light of the light dividing device in an inclined way and is used for reflecting the second partial ultraviolet light and leading the light source to cover the other preset irradiated districts of the objects waiting for being irradiated, thereby enlarging the irradiating area of the original ultraviolet light, leading the illumination received by the objects waiting for being irradiated rich and saving the cost.
Description
Technical field
The present invention relates to a kind of ultraviolet light photopolymerization device and method for curing, refer to a kind of ultraviolet light photopolymerization device and method for curing that is used for making complex optics especially.
Background technology
The rectification spherical aberration that spheric glass produced is a great problem in the optical field always.Existing antidote is to utilize the combination of concave, convex lens to finish, but actual result is that spherical aberration just can't obtain very big improvement as long as adopt spheric glass.Spherical aberration can be successfully eliminated in the appearance of aspherical lens, and its cardinal principle is exactly by revising the curvature of lens surface, allowing paraxial rays overlap with the formed focal position of axial ray far away.
At present, mainly contain three kinds of methods of making aspherical lens: 1, grind aspherical lens: on monolithic glass, directly grind; 2, model aspherical lens: adopt the metal mold technology that the optical glass or the direct compacting of optical resin of melting formed; 3, compound aspherical lens (Hybrid Lens): utilize the plasticity of resin and can absorb ultraviolet ray and the characteristics of hardening, grinding to form the thin sized non-spherical resin layer of compound one deck on the glass mirror surface of sphere.The manufacturing process cost of polishing making aspherical lens is higher relatively, and adopt the mould model mode only to be fit to be used for making undersized aspheric surface glass moulding eyeglass (GMP, Glass Molding Press), very be not fit to be applied on large-sized aspherical lens, otherwise cost can be very big.Utilize composite molding to make and have the aspherical lens of external diameter greatly, its processing procedure is simple and cost is lower.
In the processing procedure of compound aspherical lens, an important link is exactly ultraviolet ray (UV) hardened forming.The ultraviolet light photopolymerization device of existing compound aspherical lens and method for curing, shown in Figure 1A and Figure 1B, this curing system 9 mainly has a UV photogenerator 90, and the UV light that this UV photogenerator 90 is sent can expose to a fixed area, is used for hardening resin.Under UV photogenerator 90, a non-spherical insert 2 is installed, can place a resin raw material 3 on it, be used for forming a resin bed; One movable device 4, be installed on UV photogenerator 90 and non-spherical insert 2 between, on it the carrying one glass mirror 5.By moving down of this movable device 4, make resin raw material 3 be squeezed between glass mirror 5 and the die 2, and the face type of moulding that formation is desired, make its sclerosis via the UV rayed again, thereby form a resin bed 30 that is adhered on the glass mirror 5, obtain a compound aspherical lens 6 by this.
The UV rayed area of the UV photogenerator 90 that is adopted by the existing curing system 9 only area with the exit portal of UV light is suitable, its irradiation area is limited, only be fit to be used for the compound aspherical lens of the little external diameter of moulding, if be applied on the eyeglass of the big external diameter of tool, large-area characteristics, then have irradiated area deficiency, the even shortcoming of uneven illumination, thereby make that the resin bed hardenability of eyeglass of big external diameter is inhomogeneous, and can not be used.
So, be necessary to provide a kind of ultraviolet light photopolymerization device and method for curing that can enlarge the irradiated area of UV light.
Summary of the invention
Fundamental purpose of the present invention is to provide a kind of ultraviolet light photopolymerization device and method for curing, and its illuminating area is big, can be used to shine large object, so that treat the illumination abundance according to thing, thereby saves cost.
According to above-mentioned purpose of the present invention, the invention provides a kind of ultraviolet light photopolymerization device, be used for hardening and treat that it mainly includes: the ultraviolet light generator is used for launching ultraviolet light according to thing; Light-dividing device, be used for accepting ultraviolet light, and ultraviolet light is divided into two parts at least, first's ultraviolet light can directly march to be treated according on the thing, and can cover and treat according to the predetermined irradiation area of the part of thing, the second portion ultraviolet light then separates with the first ultraviolet light advances; And reflection unit, be installed on the travel path of second portion ultraviolet light of light-dividing device, and this second portion ultraviolet light can be reflexed to and treat according on the thing, treat other predetermined irradiation area with covering according to thing.
When utilizing above-mentioned ultraviolet light photopolymerization device to come the moulding complex optics, its key step is: an eyeglass and a resin raw material are provided; One die is provided, and resin raw material is positioned on this die; The extrusion resin raw material utilizes eyeglass extrusion resin raw material to make it become a resin bed, and makes this resin bed have predetermined face type; And hard resin-layer, utilize ultraviolet light photopolymerization device irradiation resin bed, make its sclerosis, thereby obtain the complex optics that eyeglass combines with resin bed.
Above-mentioned cure step mainly includes: the emission ultraviolet light, utilize ultraviolet light generator emission ultraviolet light; And the irradiation area of expansion ultraviolet light, utilize light-dividing device to make ultraviolet light be divided into two parts at least, first's ultraviolet light can directly march on the resin bed and cover the predetermined irradiation area of its part, the second portion ultraviolet light then need arrive on the resin bed and other predetermined irradiation area of covering resin layer through after the reflection of reflection unit.
Above-mentioned light-dividing device is a spectroscope, and the ultraviolet light that it can be received is divided into and penetrates light and reflected light.
Above-mentioned spectroscope is installed on the rotary seat, is used for driving spectroscope and rotates together.
Above-mentioned reflection unit is made up of the number catoptron, and it is obliquely installed on the formed catoptrical light path by spectroscope.
Compare with prior art of the present invention, ultraviolet light photopolymerization device of the present invention and method for curing make originally have only the fixing UV light of range of exposures to become the state of wide-angle irradiation by light-dividing device and reflection unit are set, enlarge the irradiated area of UV light by this, and make and the illumination abundance of large object reach the purpose of saving cost.
Description of drawings
Figure 1A and Figure 1B: the working state schematic representation that is existing ultraviolet light photopolymerization device.
Fig. 2 A and Fig. 2 B: the working state schematic representation that is ultraviolet light photopolymerization device of the present invention.
Embodiment
In the present embodiment, will ultraviolet light photopolymerization device of the present invention and method for curing be described in detail with the hardening process of the resin bed of compound aspherical lens, it also is applicable to treating according on the thing that other need harden certainly.
Please refer to shown in Fig. 2 A, ultraviolet light photopolymerization device 1 of the present invention has a UV photogenerator 10, is installed on the support 11, is used for launching UV light; Light-dividing device 12, main UV light can be divided at least two parts, in the present embodiment, this light-dividing device 12 is a spectroscope, be used for main UV light is divided into and penetrate light source (UV of first light) and reflection source (second portion UV light), wherein penetrate light source and advance along the path of former UV light, and can arrive the middle position of predetermined irradiation area, reflection source is then along advancing perpendicular to the path of former UV light; Reflection unit 13, mat one load carrier 14 carries and is positioned at all sides of light-dividing device 12, this reflection unit is obliquely installed on the light path of the reflection source of light-dividing device 12, is used for reflecting this reflection source, and make this reflection source can also arrive predetermined irradiation area than outer peripheral areas; One rotary seat 15, be installed on the support 11, be used for carrying light-dividing device 12, it can drive light-dividing device 12 by a motor 16 drivings and rotate (shown in dotted line among Fig. 2 A together, state signal when light-dividing device 12 is rotated to the another location), the reflection source that is formed by light-dividing device 12 also will rotate by this, and by reflection unit 13 it is evenly reflexed to predetermined irradiation area.In the present embodiment, reflection unit 13 is made up of the number catoptron, according to the difference of the shape of need irradiation area, can adjust size, quantity or its setting angle of catoptron, make the UV light source that comes out by these mirror reflects can fully and evenly cover the zone of required irradiation.Certainly, in the specific implementation a catoptron can also only be installed, this will make catoptron with spectroscope rotate just can, be about to catoptron and also be installed on the rotary seat 15, all reflected thereby come from spectroscopical reflection source by same catoptron.
Please in conjunction with shown in Fig. 2 B, in the hardened forming technology of compound aspherical lens, treat that compound eyeglass 5 and resin raw material 3 are the belows that are located immediately at the UV photogenerator 10 of ultraviolet light photopolymerization device 1, wherein resin raw material 3 is to be positioned on the die 2, and eyeglass 5 is to be carried on the movable device 4 and between UV photogenerator 10 and die 2.In the present embodiment, movable device 4 is an elevating mechanism, when this elevating mechanism moves down, resin raw material 3 will be squeezed between glass mirror 5 and the die 2, through extruding to a certain degree, this resin raw material 3 is deformed into a resin bed 30, and this resin bed 30 have desire the face type of moulding, the wherein type that is resin bed 30 is identical with the face type of glass mirror 5, and the another side type is identical with the face type of die 2, the face type of die 2 is an aspheric surface in the present embodiment, so the resin bed 30 that forms is a sized non-spherical resin layer.
After treating that resin bed 30 forms, UV photogenerator 10 will send the UV main light source, this main light source is divided into two bundle UV light through light-dividing device 12, wherein a branch of UV light (penetrating light source) is directly advanced downwards and is seen through glass mirror 5 and shines in the centre position of resin bed 30, another bundle UV light (reflection source) is then reflexed to reflection unit 13 by light-dividing device 12, this UV light through the back of reflection once more of reflection unit 13 arrive resin bed 30 than outer peripheral areas, enlarge the irradiated area of main light source by this, promptly utilize light-dividing device 12 of the present invention and the reflection unit 13 can be so that UV main light source originally is the state of wide-angle irradiation.For the compound aspherical lens of big external diameter, if irradiated area is also inadequate, can make its reflection source device 13 that can be reflected reflex to other peripheral irradiation area by the position of continuous rotation or checker light-dividing device 12, can further enlarge irradiated area by this.In the present embodiment, light-dividing device 12 is installed on the rotary seat 15, and the mirror tilt of reflection unit 13 is installed on all sides of 12 of light-dividing device, by this can be so that all outer peripheral areas of resin bed 30 all can be subjected to the uniform irradiation of UV light and harden, thus a compound aspherical lens 6 obtained.
Ultraviolet light photopolymerization method of the present invention not only is applicable to the hardened forming of complex optics, and also is applicable to that other needs treating according on the thing of hardened forming, only need treat that according to the profile of thing ultraviolet light photopolymerization device 1 being done suitable adjustment gets final product according to what desire was hardened.
The above person only is a better embodiment of the present invention, and the personage who has the knack of this case technology such as helps the equivalence of doing according to spirit of the present invention and modifies or variation, all is covered by in the application's claim.
Claims (12)
1. ultraviolet light photopolymerization device, be used for hardening and treat according to thing, include the ultraviolet light generator of emission ultraviolet light, accept the light-dividing device of ultraviolet light, be installed on the reflection unit on the travel path of ultraviolet light, it is characterized in that: described light-dividing device can be divided into ultraviolet light two parts at least, first's ultraviolet light can directly march to be treated according on the thing, and can cover and treat according to the predetermined irradiation area of the part of thing, the second portion ultraviolet light then separates with the first ultraviolet light advances, described reflection unit is installed on the travel path of second portion ultraviolet light of light-dividing device, and this second portion ultraviolet light can be reflexed to and treat according on the thing, wait to shine other predetermined irradiation area of thing with covering, described light-dividing device is a spectroscope, the ultraviolet light that it can be received is divided into and penetrates light and reflected light, and described spectroscope is installed on one and is used for driving on the rotary seat that spectroscope rotates together.
2. ultraviolet light photopolymerization device as claimed in claim 1 is characterized in that: described rotary seat rotates by a motor driven.
3. ultraviolet light photopolymerization device as claimed in claim 1 is characterized in that: described reflection unit is made up of the number catoptron.
4. ultraviolet light photopolymerization device as claimed in claim 3 is characterized in that: described mirror tilt is arranged at by on the formed catoptrical light path of spectroscope.
5. ultraviolet light photopolymerization device as claimed in claim 4 is characterized in that: described reflection unit carries and is positioned at all sides of light-dividing device by a load carrier.
6. ultraviolet light photopolymerization device as claimed in claim 1 is characterized in that: described reflection unit is a catoptron, and it together is installed on the rotary seat with spectroscope and can rotates.
7. a ultraviolet light photopolymerization method of utilizing ultraviolet light photopolymerization device as claimed in claim 1 to come the moulding complex optics is characterized in that, comprises the following step:
One eyeglass and a resin raw material are provided;
One die is provided, and resin raw material is positioned on this die;
The extrusion resin raw material utilizes eyeglass extrusion resin raw material to make it become a resin bed, and makes this resin bed have the face type identical with this die; And
Hard resin-layer utilizes ultraviolet light photopolymerization device irradiation resin bed, makes its sclerosis, thereby obtains the complex optics that eyeglass combines with resin bed, and this cure step consists predominantly of:
The emission ultraviolet light utilizes ultraviolet light generator emission ultraviolet light; And
Enlarge the irradiation area of ultraviolet light, utilize light-dividing device to make ultraviolet light be divided into two parts at least, first's ultraviolet light can directly march on the resin bed and cover the predetermined irradiation area of its part, the second portion ultraviolet light then need arrive on the resin bed and other predetermined irradiation area of covering resin layer through after the reflection of reflection unit.
8. ultraviolet light photopolymerization method as claimed in claim 7, it is characterized in that: a motor is provided, being used for the driven in rotation seat makes it drive spectroscope to rotate together, and the reflected light that is formed by this spectroscope also can rotate, and by reflection unit it is evenly reflexed to predetermined irradiation area.
9. ultraviolet light photopolymerization method as claimed in claim 7 is characterized in that: described reflection unit is made up of the number catoptron.
10. ultraviolet light photopolymerization method as claimed in claim 9 is characterized in that: described mirror tilt is arranged at by on the formed catoptrical light path of spectroscope.
11. ultraviolet light photopolymerization method as claimed in claim 7 is characterized in that: described reflection unit is positioned at all sides of light-dividing device.
12. ultraviolet light photopolymerization method as claimed in claim 7 is characterized in that: a movable device is provided, is used for installing eyeglass, and drive eyeglass extrusion resin raw material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006101383251A CN100476459C (en) | 2006-11-07 | 2006-11-07 | Ultraviolet light photopolymerization device and photopolymerization method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006101383251A CN100476459C (en) | 2006-11-07 | 2006-11-07 | Ultraviolet light photopolymerization device and photopolymerization method |
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| Publication Number | Publication Date |
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| CN101178443A CN101178443A (en) | 2008-05-14 |
| CN100476459C true CN100476459C (en) | 2009-04-08 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| TWI473141B (en) * | 2012-12-13 | 2015-02-11 | Eternal Materials Co Ltd | A radiation curing apparatus |
| CN104552699B (en) * | 2014-12-31 | 2018-01-05 | 苏州立人听力器材有限公司 | Light curring unit |
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Granted publication date: 20090408 Termination date: 20111107 |