CN102408183A - Production process for optical glass lenses - Google Patents
Production process for optical glass lenses Download PDFInfo
- Publication number
- CN102408183A CN102408183A CN201110210933XA CN201110210933A CN102408183A CN 102408183 A CN102408183 A CN 102408183A CN 201110210933X A CN201110210933X A CN 201110210933XA CN 201110210933 A CN201110210933 A CN 201110210933A CN 102408183 A CN102408183 A CN 102408183A
- Authority
- CN
- China
- Prior art keywords
- glass
- powder
- coated
- execution
- glass blank
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Landscapes
- Surface Treatment Of Glass (AREA)
Abstract
The invention discloses a production process for optical glass lenses, which comprises the following steps of: (1) carrying out dry cutting on raw glass materials so as to obtain small pieces of glass blanks; (2) carrying out vibration grinding milling or water milling processing on the glass blanks so as to polish corners of the glass blanks; (3) carrying out powder coating processing on the surfaces of the glass blanks, wherein the powder refers to boron nitrides; (4) heating the glass blanks subjected to powder coating processing to 800-980 DEG C so as to soften the glass blanks; (5) carrying out profiling processing on the softened glass blanks in a fire-polishing profiling mould so as to form an initial product, wherein the fire-polishing temperature is 500-540 DEG C, and the glass blanks are blown one time by using cold air when the glass blanks are fed into and out of the mould; and (6) carrying out annealing processing on the initial product, wherein the annealing temperature is less than the glass softening point (10-20 DEG C). Compared with the prior art, the peripheral side of a glass product produced by using the production process for optical glass lenses disclosed by the invention is smooth and has no indentation, therefore, the production process disclosed by the invention can meet the production requirements of some special glass.
Description
Technical field
The present invention relates to the optical mirror slip manufacture field, exactly be meant a kind of production technique of optical glass lens.
Background technology
At present, the glassy product that casted die mould comes out the glass blank die mould is that peripheral side is more coarse, has impression, can not satisfy the production requirement of some specific glass, and its production technique needs to improve.
Summary of the invention
To above-mentioned defective, the technical problem that the present invention solves is to provide a kind of production technique of optical glass lens, and the peripheral side of the glassy product of production is smooth, does not have impression, can satisfy the production requirement of some specific glass.
In order to solve above technical problem, the production technique of optical glass lens provided by the invention comprises the steps:
(1), with the dried glass blank that is cut into small pieces of glass raw material;
(2), glass blank is repaiied vibration or water mill processing, the corner of polishing glass blank;
(3), the glass blank surface be coated with powder handle, said powder is a SP 1;
(4), the glass blank after will being coated with powder and handling be heated to 800 ℃-980 ℃ softening;
(5), the glass blank after will softening carries out die mould and handles in the fire polishing casted die mould, form head product, the temperature of fire polishing is 500 ℃-540 ℃, when glass blank is gone into mould and depanning, respectively blows once with freezing air;
(6), head product is carried out anneal, annealing temperature is lower than 10 ℃-20 ℃ of glass softening points.
More excellent ground, in step (3), when being coated with powder and handling, the 10kg glass blank is coated with the powder of 0.4kg-0.6kg, and the powder amount that is coated with at the position of handling near fire polishing is the 60%-80% that is coated with the powder amount at other positions.
More excellent ground, in step (3), when being coated with powder and handling, the 10kg glass blank is coated with the powder of 0.5kg, and the powder amount that is coated with at the position of handling near fire polishing is 75% of the powder amount that is coated with at other positions.
More excellent ground, in step (4), be coated with glass blank after powder is handled be heated to 810 ℃-970 ℃ softening.
More excellent ground, in step (4), be coated with glass blank after powder is handled be heated to 820 ℃-960 ℃ softening.
More excellent ground, in step (5), the temperature of fire polishing is 510 ℃-530 ℃.
More excellent ground, in step (5), the time of glass blank depanning is 0.2s-0.3s.
More excellent ground, in step (5), the air pressure of freezing air is 3-6 normal atmosphere, the temperature of freezing air is an ambient temperature.
More excellent ground; In step (5), the fire polishing casted die mould comprises down core, execution core and execution die body down of execution, and core and said execution die body cooperate the glass blank die mould down for core, execution under the said execution; The cross section of core is a circular configuration under the said execution; The top of core is an arc under the said execution, and the radius of said arc is 40mm-70mm, and the radian of said arc is 30 °-150 °; The two ends of said execution die body are respectively arranged with " U " connected in star; Said groove is provided with chamfering; The angle of said chamfering is 90 °, and the radius of said chamfering is 0.5mm-5mm, and the middle part of said execution die body is provided with the groove connection of hollow via-hole with said execution die body two ends; Under the said execution under core and the said execution structure of core identical.
More excellent ground, between step (2) and step (3), also comprise: the glass blank after will polishing carries out initial survey, rejects underproof glass blank.
The production technique of optical glass lens provided by the invention comprises the steps: (1), with the dried glass blank that is cut into small pieces of glass raw material; (2), glass blank is repaiied vibration or water mill processing, the corner of polishing glass blank; (3), the glass blank surface be coated with powder handle, said powder is a SP 1; (4), the glass blank after will being coated with powder and handling be heated to 800 ℃-980 ℃ softening; (5), the glass blank after will softening carries out die mould and handles in the fire polishing casted die mould, form head product, the temperature of fire polishing is 500 ℃-540 ℃, when glass blank is gone into mould and depanning, respectively blows once with freezing air; (6), head product is carried out anneal, annealing temperature is lower than 10 ℃-20 ℃ of glass softening points.Compared with prior art, the production technique of optical glass lens provided by the invention, the peripheral side of the glassy product that it is produced is smooth, does not have impression, can satisfy the production requirement of some specific glass.
Description of drawings
Fig. 1 is the FB(flow block) of the production technique of optical glass lens among the present invention;
Fig. 2 is the structural representation of core under the execution of fire polishing casted die mould in the step of the present invention (5);
Fig. 3 is the structural representation of the execution die body of fire polishing casted die mould in the step of the present invention (5).
Embodiment
For those skilled in the art can understand technical scheme provided by the present invention better, set forth below in conjunction with specific embodiment.
See also Fig. 1, this figure is the FB(flow block) of the production technique of optical glass lens among the present invention.
Embodiment 1
The production technique of the optical glass lens that present embodiment provides comprises the steps:
(1), with the dried glass blank that is cut into small pieces of glass raw material;
(2), glass blank is repaiied vibration or water mill processing, the corner of polishing glass blank;
(3), the glass blank surface be coated with powder handle, said powder is a SP 1, when being coated with powder and handling, the 10kg glass blank is coated with the powder of 0.5kg, and the powder amount that is coated with at the position of handling near fire polishing is 75% of the powder amount that is coated with at other positions;
(4), the glass blank after will being coated with powder and handling be heated to 860 ℃ softening;
(5), the glass blank after will softening carries out die mould and handles in the fire polishing casted die mould, form head product, the temperature of fire polishing is 520 ℃; Each blows once with freezing air when glass blank is gone into mould and depanning, and the time of glass blank depanning is 0.25s, and the air pressure of freezing air is 4 normal atmosphere; The temperature of freezing air is an ambient temperature; The blowing cold air purpose is to remove steam treatment, not only can dedusting, and the demoulding is convenient in its mould cooling;
(6), head product is carried out anneal, annealing temperature is lower than 15 ℃ of glass softening points.
In addition, between step (2) and step (3), also comprise: the glass blank after will polishing carries out initial survey, rejects underproof glass blank.
The production technique of the optical glass lens that present embodiment provides comprises the steps:
(1), with the dried glass blank that is cut into small pieces of glass raw material;
(2), glass blank is repaiied vibration or water mill processing, the corner of polishing glass blank;
(3), the glass blank surface be coated with powder handle, said powder is a SP 1, when being coated with powder and handling, the 10kg glass blank is coated with the powder of 0.6kg, and the powder amount that is coated with at the position of handling near fire polishing is 80% of the powder amount that is coated with at other positions;
(4), the glass blank after will being coated with powder and handling be heated to 980 ℃ softening;
(5), the glass blank after will softening carries out die mould and handles in the fire polishing casted die mould, form head product, the temperature of fire polishing is 540 ℃; Each blows once with freezing air when glass blank is gone into mould and depanning; The time of glass blank depanning is 0.3s, and the air pressure of freezing air is 6 normal atmosphere, and the temperature of freezing air is that ambient temperature blowing cold air purpose is to remove steam treatment; Not only can dedusting, and the demoulding is convenient in its mould cooling;
(6), head product is carried out anneal, annealing temperature is lower than 20 ℃ of glass softening points.
In addition, between step (2) and step (3), also comprise: the glass blank after will polishing carries out initial survey, rejects underproof glass blank.
Embodiment 3
The production technique of the optical glass lens that present embodiment provides comprises the steps:
(1), with the dried glass blank that is cut into small pieces of glass raw material;
(2), glass blank is repaiied vibration or water mill processing, the corner of polishing glass blank;
(3), the glass blank surface be coated with powder handle, said powder is a SP 1, when being coated with powder and handling, the 10kg glass blank is coated with the powder of 0.4kg, and the powder amount that is coated with at the position of handling near fire polishing is 60% of the powder amount that is coated with at other positions;
(4), the glass blank after will being coated with powder and handling be heated to 800 ℃ softening;
(5), the glass blank after will softening carries out die mould and handles in the fire polishing casted die mould, form head product, the temperature of fire polishing is 500 ℃; Each blows once with freezing air when glass blank is gone into mould and depanning; The time of glass blank depanning is 0.2s, and the air pressure of freezing air is 3 normal atmosphere, and the temperature of freezing air is that ambient temperature blowing cold air purpose is to remove steam treatment; Not only can dedusting, and the demoulding is convenient in its mould cooling;
(6), head product is carried out anneal, annealing temperature is lower than 10 ℃ of glass softening points.
In addition, between step (2) and step (3), also comprise: the glass blank after will polishing carries out initial survey, rejects underproof glass blank.
See also Fig. 2 and Fig. 3, Fig. 2 is the structural representation of core under the execution of fire polishing casted die mould in the step of the present invention (5); Fig. 3 is the structural representation of the execution die body of fire polishing casted die mould in the step of the present invention (5).
The fire polishing casted die mould that provides in the step of the present invention (5); Comprise core (not shown) and execution die body 2 in be executed core 1, the execution down; Execution down core 1, execution is gone up core and execution die body 2 cooperates the glass blank die mould, and the execution cross section of core 1 down is a circular configuration, and the top of core 1 is an arc under being executed; The radius R 1 of arc is 54mm, and the radian a1 of arc is 120 °; The two ends of execution die body 2 are respectively arranged with " U " connected in star 21; " U " connected in star 21 is provided with chamfering 22; The angle of chamfering 22 is 90 °, and the radius of chamfering 22 is 2mm, and the middle part of execution die body 2 is provided with will be executed groove 21 connections at die body 2 two ends of hollow via-hole 23; The following core 1 of execution is identical with the structure of the following core of execution.
The concrete dimensional structure of the fire polishing casted die mould of opticglass is following in the step of the present invention (5):
The diameter b 2 of " U " connected in star 21 is 80.22mm; The height h3 of " U " connected in star 21 is 20mm; The execution diameter b 1 of the rounded section of core 1 down is 73.10mm; The diameter b 3 of the hollow via-hole 23 of execution die body 2 is 73.24mm; The execution height h1 of core 1 down is 59.25mm; The height h2 of execution die body 2 is 65mm.Core 1 is 0.8 with the smooth finish of execution die body 2 under the execution.
Compared with prior art, the production technique of optical glass lens provided by the invention, the peripheral side of the glassy product of producing is smooth, does not have impression, can satisfy the production requirement of some specific glass.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the present invention.Multiple modification to these embodiment will be conspicuous concerning those skilled in the art, and defined General Principle can realize under the situation that does not break away from the spirit or scope of the present invention in other embodiments among this paper.Therefore, the present invention will can not be restricted to these embodiment shown in this paper, but will meet and principle disclosed herein and features of novelty the wideest corresponding to scope.
Claims (10)
1. the production technique of an optical glass lens is characterized in that, comprises the steps:
(1), with the dried glass blank that is cut into small pieces of glass raw material;
(2), glass blank is repaiied vibration or water mill processing, the corner of polishing glass blank;
(3), the glass blank surface be coated with powder handle, said powder is a SP 1;
(4), the glass blank after will being coated with powder and handling be heated to 800 ℃-980 ℃ softening;
(5), the glass blank after will softening carries out die mould and handles in the fire polishing casted die mould, form head product, the temperature of fire polishing is 500 ℃-540 ℃, when glass blank is gone into mould and depanning, respectively blows once with freezing air;
(6), head product is carried out anneal, annealing temperature is lower than 10 ℃-20 ℃ of glass softening points.
2. the production technique of optical glass lens according to claim 1; It is characterized in that, in step (3), when being coated with the powder processing; The 10kg glass blank is coated with the powder of 0.4kg-0.6kg, and the powder amount that is coated with at the position of handling near fire polishing is the 60%-80% that is coated with the powder amount at other positions.
3. the production technique of optical glass lens according to claim 2; It is characterized in that, in step (3), when being coated with the powder processing; The 10kg glass blank is coated with the powder of 0.5kg, and the powder amount that is coated with at the position of handling near fire polishing is 75% of the powder amount that is coated with at other positions.
4. the production technique of optical glass lens according to claim 1 is characterized in that, in step (4), with the glass blank after being coated with powder and handling be heated to 810 ℃-970 ℃ softening.
5. the production technique of optical glass lens according to claim 4 is characterized in that, in step (4), with the glass blank after being coated with powder and handling be heated to 820 ℃-960 ℃ softening.
6. the production technique of optical glass lens according to claim 1 is characterized in that, in step (5), the temperature of fire polishing is 510 ℃-530 ℃.
7. the production technique of optical glass lens according to claim 1 is characterized in that, in step (5), the time of glass blank depanning is 0.2s-0.3s.
8. the production technique of optical glass lens according to claim 1 is characterized in that, in step (5), the air pressure of freezing air is 3-6 normal atmosphere, and the temperature of freezing air is an ambient temperature.
9. the production technique of optical glass lens according to claim 1 is characterized in that, in step (5); The fire polishing casted die mould comprises execution core, be executed core and execution die body down down; Core, the following core of execution and said execution die body cooperate the glass blank die mould under the said execution, and the cross section of core is a circular configuration under the said execution, and the top of core is an arc under the said execution; The radius of said arc is 40mm-70mm, and the radian of said arc is 30 °-150 °; The two ends of said execution die body are respectively arranged with " U " connected in star; Said groove is provided with chamfering; The angle of said chamfering is 90 °, and the radius of said chamfering is 0.5mm-5mm, and the middle part of said execution die body is provided with the groove connection of hollow via-hole with said execution die body two ends; Under the said execution under core and the said execution structure of core identical.
10. the production technique of optical glass lens according to claim 1 is characterized in that, between step (2) and step (3), also comprise: the glass blank after will polishing carries out initial survey, rejects underproof glass blank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110210933 CN102408183B (en) | 2011-07-26 | 2011-07-26 | Production process for optical glass lenses |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110210933 CN102408183B (en) | 2011-07-26 | 2011-07-26 | Production process for optical glass lenses |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102408183A true CN102408183A (en) | 2012-04-11 |
| CN102408183B CN102408183B (en) | 2013-12-25 |
Family
ID=45910583
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110210933 Active CN102408183B (en) | 2011-07-26 | 2011-07-26 | Production process for optical glass lenses |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102408183B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103645526A (en) * | 2013-12-24 | 2014-03-19 | 成都恒达光学有限公司 | Pentaprism production process |
| CN105016606A (en) * | 2015-07-06 | 2015-11-04 | 雅安格纳斯光电科技有限公司 | Manufacturing method for bright optical lens |
| CN105036526A (en) * | 2015-09-09 | 2015-11-11 | 四川格纳斯光电科技股份有限公司 | Pressing method |
| CN106291787A (en) * | 2016-08-31 | 2017-01-04 | 成都恒达光学有限公司 | A kind of prism processing technique |
| CN108089320A (en) * | 2017-12-27 | 2018-05-29 | 重庆市华阳光学仪器有限公司 | A kind of production technology of telescope disk |
| CN109721246A (en) * | 2017-10-30 | 2019-05-07 | 浙江晶华玻璃有限公司 | One kind being resistant to 1300 celsius temperature fire and throws indeformable vial and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1061204A (en) * | 1991-07-25 | 1992-05-20 | 天津市硅酸盐研究所 | Demolding agent of glass forming mold |
| EP0573020A1 (en) * | 1992-06-04 | 1993-12-08 | Matsushita Electric Industrial Co., Ltd. | Method of manufacturing molded glass |
| CN1740105A (en) * | 2004-07-19 | 2006-03-01 | 肖特股份公司 | Process and device for producing fire-polished gobs |
| JP2008100872A (en) * | 2006-10-19 | 2008-05-01 | Hoya Corp | Method of manufacturing glass preform and method of manufacturing optical element |
-
2011
- 2011-07-26 CN CN 201110210933 patent/CN102408183B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1061204A (en) * | 1991-07-25 | 1992-05-20 | 天津市硅酸盐研究所 | Demolding agent of glass forming mold |
| EP0573020A1 (en) * | 1992-06-04 | 1993-12-08 | Matsushita Electric Industrial Co., Ltd. | Method of manufacturing molded glass |
| CN1740105A (en) * | 2004-07-19 | 2006-03-01 | 肖特股份公司 | Process and device for producing fire-polished gobs |
| JP2008100872A (en) * | 2006-10-19 | 2008-05-01 | Hoya Corp | Method of manufacturing glass preform and method of manufacturing optical element |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103645526A (en) * | 2013-12-24 | 2014-03-19 | 成都恒达光学有限公司 | Pentaprism production process |
| CN103645526B (en) * | 2013-12-24 | 2016-03-16 | 成都恒达光学有限公司 | A kind of production technology of pentaprism |
| CN105016606A (en) * | 2015-07-06 | 2015-11-04 | 雅安格纳斯光电科技有限公司 | Manufacturing method for bright optical lens |
| CN105036526A (en) * | 2015-09-09 | 2015-11-11 | 四川格纳斯光电科技股份有限公司 | Pressing method |
| CN106291787A (en) * | 2016-08-31 | 2017-01-04 | 成都恒达光学有限公司 | A kind of prism processing technique |
| CN109721246A (en) * | 2017-10-30 | 2019-05-07 | 浙江晶华玻璃有限公司 | One kind being resistant to 1300 celsius temperature fire and throws indeformable vial and preparation method thereof |
| CN109721246B (en) * | 2017-10-30 | 2021-12-07 | 浙江晶华玻璃有限公司 | Glass bottle capable of resisting high-temperature fire polishing at 1300 ℃ without deformation and preparation method thereof |
| CN108089320A (en) * | 2017-12-27 | 2018-05-29 | 重庆市华阳光学仪器有限公司 | A kind of production technology of telescope disk |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102408183B (en) | 2013-12-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102408183B (en) | Production process for optical glass lenses | |
| CN106746525A (en) | A kind of manufacture method of hot bending 3D glass white tiles | |
| CN107056028A (en) | A kind of anti-dazzle 3D glass and preparation method thereof | |
| CN105417947B (en) | Glass transmits chucking device | |
| CN101357820B (en) | Method for preparing single layer glass by glass tube | |
| TW201204653A (en) | Laminable shaped glass article and method of making the same | |
| WO2011066218A4 (en) | Method and apparatus for making a shaped glass article | |
| CN103645526B (en) | A kind of production technology of pentaprism | |
| CN101885579B (en) | Curved glass panel forming method | |
| CN104556643A (en) | Device and method for bending glass plates | |
| CN106078126A (en) | A kind of processing technique of die | |
| CN105565647A (en) | Incompletely-fused glass group and making method thereof | |
| CN205740729U (en) | Flat panel products hot bending is the mould with more than two curl products and forming machine | |
| JP2007304569A (en) | Compound lens and manufacture method thereof | |
| CN108658471A (en) | A kind of process of digital printing three-dimensional aesthetic glass | |
| CN101927424A (en) | Method for machining gate mold with handle | |
| CN104843978A (en) | Production process of glass products with small curvature radius | |
| CN104291552A (en) | Die for preparation of three-dimensional glass and method for preparation of three-dimensional glass by the same | |
| CN202454360U (en) | Novel die for forming toughened glass insulator | |
| CN105417940A (en) | Two-glass in-furnace tempering method | |
| JP2008222523A (en) | Method of manufacturing glass gob | |
| CN104842546A (en) | Moulding method for organic glass large-curved-surface windshield | |
| CN106698901A (en) | Machining process for press-and-blow formed glass | |
| CN105620061A (en) | Manufacturing method of craft art jade porcelain seal | |
| CN107721142A (en) | A kind of hot drilling technology of blow-molded glass product |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |