CN205021833U - Optical element's perforating device - Google Patents
Optical element's perforating device Download PDFInfo
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- CN205021833U CN205021833U CN201520782290.XU CN201520782290U CN205021833U CN 205021833 U CN205021833 U CN 205021833U CN 201520782290 U CN201520782290 U CN 201520782290U CN 205021833 U CN205021833 U CN 205021833U
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- perforating device
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Abstract
The application discloses an optical element's perforating device includes: a protection glass for setting up treat the drilling position on the surface in target optical element, be used for drilling out on the target optical element treat the drilling subassembly of drilling, be used for filling wait the interior set glass that joins in marriage that drills, wherein, protection glass's cross -sectional area is greater than treat the cross -sectional area of drilling. Owing to protect glass setting up on the surface of target optical element, protection glass's effect prevents to drill subassembly its surperficial schizolysis and collapse the limit when directly driling to target optical element's surface, owing to has packed in treating drilling and has joined in marriage a set glass, after will treating that drilling is filled up, make target optical element surface in succession, improve target optical element's surface and mould surface degree of agreeing with, make and add polishing material as in the pitch etc. At follow -up polishing in -process on its surface, low and the bad problem of light ring degree of irregularity of face type precision of avoiding mobile polishing material to cause component surface stress difference and leading to.
Description
Technical field
The utility model relates to optical devices technologies field, more particularly, relates to a kind of perforating device of optical element.
Background technology
At optical field, the light source in traditional optical only in light path side, light path usually just through or reflection.Along with the popularization of design concept, embedded light sources and combined type cross path is there is in a large number in current design, due to the adjustment of light source position, challenge is proposed to the profile of element, pass appears in increasing non-circular element, be used for light source is installed, or as the part of light path, therefore, need the element of punching to get more and more, the punching part that especially high-precision surface type requires also gets more and more.To the requirement that has each side higher of punching element in process of manufacture, such as, face type require high, collapse limit and require having of little, cutting edge of a knife or a sword limit processing, and also more and more accurate to the requirement of the tolerance in hole, position degree.
The step of tradition machining optical element is: 1. blanking, cylindrical grinding 2. 3. fine-grinding and polishings 4. that punch clean censorship.Can be found out by above-mentioned technological process, traditional approach is not protected optical element surface, because optical element such as glass belongs to fragile material, produces the pressure perpendicular to element surface, very easily cause the cracking on its surface and collapse limit when clamping punches.And due to the many apertures of element surface in follow-up polishing process, polishing material causes element surface stress different as pitch etc. flows in polishing process, cause the face type of optical element bad, for high precision components, its opposite type requires to be difficult to reach.Again because the existence in hole destroys the globality of element, in process, the compatible degree of discontinuous surface and die surface have impact on aperture and aperture degree of irregularity is bad.Therefore, current perforating device easily cause circle and non-circular optical element when punching optical element collapse limit, surface roughness is large and concentricity is bad problem, then can cause the bad and aperture of face type and the bad situation of aperture degree of irregularity for high-precision surface type punching element, finally cause the batch machining qualification rate of an apertured member censorship qualification rate that is low and high accuracy apertured member lower.
In sum, what how effectively solve optical element collapses the problems such as the bad and aperture degree of irregularity of limit, face type is bad, is current those skilled in the art's urgent problem.
Utility model content
For solving the problems of the technologies described above, the utility model provides a kind of perforating device of optical element, can effectively avoid hole to be drilled collapsing limit problem, improves optical element surface precision and aperture rule degree.
A perforating device for optical element, comprising:
Cover glass on the surface being arranged at objective optics element position hole to be drilled;
For to objective optics element getting out described boring assemblies hole to be drilled;
For be filled in described hole to be drilled in join dish glass;
Wherein, the cross-sectional area of described cover glass is greater than described cross-sectional area hole to be drilled.
Preferably, in above-mentioned perforating device, described boring assemblies comprises:
Be provided with the first punching grinding tool of start(ing) drill;
Be provided with the second punching grinding tool of reaming bit, the diameter of described start(ing) drill is less than the diameter of described reaming bit.
Preferably, in above-mentioned perforating device, the first end face of described cover glass and the surface of described objective optics element position hole to be drilled fit, and the second end face is plane.
Preferably, in above-mentioned perforating device, described cover glass and described objective optics element are pasted by viscose.
Preferably, in above-mentioned perforating device, also comprise the positioner for locating described position hole to be drilled.
Preferably, in above-mentioned perforating device, described in join dish glass be with described objective optics element material be same based material join dish glass.
Preferably, in above-mentioned perforating device, described in join dish glass two end surface shape be all consistent with the surface configuration of optical element.
As can be seen from technique scheme, the perforating device of a kind of optical element provided by the utility model, comprising: the cover glass on the surface being arranged at objective optics element position hole to be drilled; For to objective optics element getting out described boring assemblies hole to be drilled; For be filled in described hole to be drilled in join dish glass; Wherein, the cross-sectional area of described cover glass is greater than described cross-sectional area hole to be drilled.Owing to arranging cover glass on the surface of objective optics element, the effect of cover glass is the cracking on its surface when preventing the surface of boring assemblies to objective optics element from directly holing and collapses limit, simultaneously, dish glass is joined owing to being filled with in hole to be drilled, after hole to be drilled filling up, make objective optics element surface continuous, improve surface and the die surface compatible degree of objective optics element, make to add polishing material as when pitch etc. on its surface in follow-up polishing process, the polishing material flowed is avoided to cause element surface stress different and the problem that surface precision is low and aperture degree of irregularity is bad that causes.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiment of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to the accompanying drawing provided.
A kind of optical element schematic diagram that Fig. 1 provides for the utility model embodiment;
The perforating device schematic diagram of a kind of optical element that Fig. 2 provides for the utility model embodiment;
The perforating device schematic diagram of a kind of another kind of optical element that Fig. 3 provides for the utility model embodiment.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Fig. 1,2 and a kind of optical element schematic diagram of providing for the utility model embodiment of 3, Fig. 1 is provided; The perforating device schematic diagram of a kind of optical element that Fig. 2 provides for the utility model embodiment; The perforating device schematic diagram of a kind of another kind of optical element that Fig. 3 provides for the utility model embodiment.
In a kind of concrete embodiment, a kind of perforating device of optical element is provided, comprises: the cover glass 04 on the surface being arranged at objective optics element 01 position hole to be drilled; For to objective optics element 01 getting out described boring assemblies hole to be drilled; Glass 09 is coiled for being filled in described interior joining hole to be drilled; Wherein, the cross-sectional area of described cover glass 04 is greater than described cross-sectional area hole to be drilled.
Concrete, objective optics element 01 includes but not limited to convex lens and concavees lens, eccentric orfice 02 and coaxial aperture 03 is divided into the hole to be drilled of objective optics element 01 surface, axle and objective optics element optical axis not hole point-blank centered by eccentric orfice 02, axle and objective optics element optical axis hole on the same line centered by coaxial aperture 03.A boring can be played to an objective optics element 01 bores, also can bore on an object component 01 and play multiple boring.In process, usually utilize machining center to process objective optics element 01, machining center is a kind of CNC milling machine with tool magazine, can milling optical element radius, profile and punching, boring assemblies is wherein utilized to be used for holing to objective optics element 01, utilize radius and the profile of emery wheel milling objective optics element 01, due to the difference of objective optics element 01 and milling-grinding equipment, its design parameter is not identical yet, bore objective optics element 01 simultaneously and beat different holes, its procedure of processing is not identical yet.
When brill trains off central hole 02 or a porous, step is: 1. blanking, rule side; 2. cover glass 04 is set, the thick thinner optical element Pasting slivering in center; 3. machining center milling profile and punching, machining center is located with square cover glass, according to program time processing profile and hole to be drilled, ensures position degree hole to be drilled; 4. use join dish glass 09 cram hole to be drilled; 5. pair objective optics element 01 surface carry out fine-grinding and polishing; 6. clean censorship.
When coaxial aperture 03 beaten by brill, step is: 1. blanking, machining center milling cylindrical, and the outer bowlder of milling reserves secondary edging surplus; 2. paste cover glass 04; 3. use the boring assemblies in milling-grinding equipment to punch to objective optics element 01; 4. use join dish glass 09 cram hole to be drilled; 5. pair objective optics element 01 surface carry out fine-grinding and polishing; 6. two edgings, with location hole to be drilled, ensure objective optics element 01 and axiality hole to be drilled; 7. clean censorship.Objective optics element 01 is if lens are in milling, fine grinding, polishing process, due to position error, the factor impacts such as mismachining tolerance, make the optical axis of lens not overlap with its reference axis, produce errors of centration, errors of centration is defined as the normal at optical surface centering fixed point place to the bias of reference axis.Centering summit is the intersection point of optical surface and reference axis.Reference axis is used to mark, inspection and little Zheng errors of centration, according to lens mounting surface shape and the clamping condition selected straight line that can embody systematic optical axis.Edging, in process of production, in order to correcting lens errors of centration, generally, centering edging is carried out to lens, carry out in two steps: found by certain method and determine the position that lens axis overlaps with reference axis, even if the position that the normal at lens optical surfaces centering summit place overlaps with reference axis is called centering, the lens that centering-edging machine is felt relieved, its reference axis is the gyroaxis of lathe, and this axle is converted into the geometrical axis of lens after edging.Relative to the lens axis determined, the cylindrical of grinding lens, to obtain the outside diameter that optical axis overlaps with reference axis, reaches the lens that requirement is vertical, is called edging.When coaxial aperture 03 beaten by brill, carry out twice edging, object is exactly correcting lens center and irrelevance hole to be drilled, obtains qualified coaxial aperture objective optics element.
Be easy to cause surrounding's formation hole to be drilled to collapse limit and cracking owing to directly holing to the surface of objective optics element 01, the surface of objective optics element 01 arranges cover glass 04, the surface of cover glass 04 pair of objective optics element 01 serves the effect of protection, when preventing the surface of boring assemblies to objective optics element 01 from directly holing its surface cracking and collapse limit, simultaneously, dish glass 09 is joined owing to being filled with in hole to be drilled, after hole to be drilled filling up, make objective optics element 01 surface continuously, improve surface and the die surface compatible degree of objective optics element 01, make to add polishing material as when pitch etc. on its surface in follow-up polishing process, the polishing material flowed is avoided to cause element surface stress different and the problem that surface precision is low and aperture degree of irregularity is bad that causes.
Further, described boring assemblies comprises: the first punching grinding tool 05 being provided with start(ing) drill 07; Be provided with the second punching grinding tool 06 of reaming bit 08, the diameter of described start(ing) drill 07 is less than the diameter of described reaming bit 08.Grinding tool is the instrument in order to grinding, grinding and polishing, is requisite drilling tool in process, is generally Diamond dies.The first perforating mold 05 of minor diameter start(ing) drill is utilized to punch during preliminary punching, second perforating mold 08 of recycling major diameter reaming bit carries out reaming, even if limit is collapsed in first time punching generation, second time expands its aperture and punches, that also can remove that first punching produces collapses limit and cracking, and the hole to be drilled of limit and cracking is not collapsed in final acquisition.
Further, the first end face of cover glass 04 and the surface of objective optics element 01 position hole to be drilled fit, and the second end face is plane.Cover glass 04 is arranged at the surface of the objective optics element 01 of position hole to be drilled, surface due to objective optics element 01 may be spill also may be convex etc., in order to play a protective role, the one side that cover glass 04 is relative with objective optics element 01 should fit tightly, the one side relative with objective optics element 01 is called the first end face of cover glass 04, the one side of wide optical element 01 becomes the second end face, because boring assemblies will be holed at the second end face, in order to ensure the accurate of boring, second end face should be mutually vertical with the perforating mold drill bit in boring assemblies.
Further, in order to avoid cover glass 04 and objective optics element 01 misplace in drill process, cover glass 04 and described objective optics element 01 are pasted by viscose.
Further, the perforating device of optical element also comprises the positioner for locating described position hole to be drilled.Object accurately locates position hole to be drilled according to program and parameter, avoids the deviation that artificial experience calculates, and improves the punching degree of accuracy.
Further, join dish glass 09 be preferably with described objective optics element material be same based material join dish glass.Preferably, two end surface shape of joining dish glass 09 are all consistent with the surface configuration of optical element.Join dish glass 09 fill hole to be drilled in, the part surface that objective optics element is not holed with join the surface of coiling glass 09 and be consistent, such as, if objective optics element 01 is concavees lens, the shape of eccentric orfice is spill, so join the surface configuration of the surface continuity objective optics element 01 of dish glass 09, be all spill.In polishing process, ensure that pitch flows at the surface uniform of objective optics element, objective optics element 01 each point surface stress is identical, ensures its surface precision.Make objective optics element 01 surface continuously simultaneously, improve surface and the die surface compatible degree of objective optics element 01.
The perforating device of a kind of optical element provided by the utility model; can protect objective optics element 01 surface; reduce the possibility that edge damage collapses limit; improve optical element surface precision and aperture rule degree; change traditional processing mode; realize optical element batch machining, improve element machining accuracy and qualification rate.
In this description, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar portion mutually see.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the utility model.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein when not departing from spirit or scope of the present utility model, can realize in other embodiments.Therefore, the utility model can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (7)
1. a perforating device for optical element, is characterized in that, comprising:
Cover glass on the surface being arranged at objective optics element position hole to be drilled;
For to objective optics element getting out described boring assemblies hole to be drilled;
For be filled in described hole to be drilled in join dish glass;
Wherein, the cross-sectional area of described cover glass is greater than described cross-sectional area hole to be drilled.
2. perforating device as claimed in claim 1, it is characterized in that, described boring assemblies comprises:
Be provided with the first punching grinding tool of start(ing) drill;
Be provided with the second punching grinding tool of reaming bit, the diameter of described start(ing) drill is less than the diameter of described reaming bit.
3. perforating device as claimed in claim 2, it is characterized in that, the first end face of described cover glass and the surface of described objective optics element position hole to be drilled fit, and the second end face is plane.
4. perforating device as claimed in claim 3, it is characterized in that, described cover glass and described objective optics element are pasted by viscose.
5. perforating device as claimed in claim 4, is characterized in that, also comprising the positioner for locating described position hole to be drilled.
6. the perforating device as described in any one of claim 1 to 5, is characterized in that, described in join dish glass be with described objective optics element material be same based material join dish glass.
7. perforating device as claimed in claim 6, is characterized in that, described in join dish glass two end surface shape be all consistent with the surface configuration of optical element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520782290.XU CN205021833U (en) | 2015-10-10 | 2015-10-10 | Optical element's perforating device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520782290.XU CN205021833U (en) | 2015-10-10 | 2015-10-10 | Optical element's perforating device |
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| CN205021833U true CN205021833U (en) | 2016-02-10 |
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| CN201520782290.XU Active CN205021833U (en) | 2015-10-10 | 2015-10-10 | Optical element's perforating device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108000245A (en) * | 2017-11-30 | 2018-05-08 | 东莞长盈精密技术有限公司 | Hole polishing turned-down edge means of defence |
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2015
- 2015-10-10 CN CN201520782290.XU patent/CN205021833U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108000245A (en) * | 2017-11-30 | 2018-05-08 | 东莞长盈精密技术有限公司 | Hole polishing turned-down edge means of defence |
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