CN1127394C - Method for fixing spherical lens to chuck - Google Patents
Method for fixing spherical lens to chuck Download PDFInfo
- Publication number
- CN1127394C CN1127394C CN00114022A CN00114022A CN1127394C CN 1127394 C CN1127394 C CN 1127394C CN 00114022 A CN00114022 A CN 00114022A CN 00114022 A CN00114022 A CN 00114022A CN 1127394 C CN1127394 C CN 1127394C
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- CN
- China
- Prior art keywords
- viscose glue
- pitch
- dish
- eyeglass
- mould
- 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.)
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- Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
Abstract
The present invention discloses a disc fixing method for a spherical lens, which is used for processing various lenses. An adhesive disc, adhesion materials and a lens are used, and the adhesion materials use pure asphalt. The adhesive disc is convex or concave, an adhesive die is arranged, and the shape of the adhesive die corresponding to the adhesive disc is convex or concave. The adhesive die is used for uniformly pressing the pure asphalt on the surface of the adhesive disc to form an adhesive layer. After the lens is pasted on the adhesive disc, the fine grinding operation and the polishing operation are carried out on a machine in a heat mode. After the operation is finished, the lens is knocked way. Then, the adhesive disc is heated, little liquid pure asphalt is added, the adhesive die is used for repair, and the lens can be used next time. The present invention has the advantages of high precision of processing the lens, simple operation and low cost.
Description
Technical field
The present invention relates to a kind of manufacturing process of optical element, specifically a kind of method for fixing spherical lens to chuck.
Background technology
The processing of the fine-grinding and polishing of present various eyeglasses is to adopt dish method on soft mold blocking method or the rigidity, adding man-hour is to coil on the datum level with the surface to be machined of eyeglass all, in the process since eyeglass with the correct grinding mould have the gap, and adhesive material, pitch for example, rosin, the composition that calcium carbonate is formed, its ductility is improper and influenced machining accuracy, therefore when the eyeglass required precision is higher, as the center thickness tolerance when the ± 0.03mm, be difficult to be embodied as dish production, can only process so not only waste of manpower by monolithic, production efficiency is low, and qualification rate is also not ideal.Though the precision of dish method machining lens is quite a lot of on the rigidity, but the die manufacturing cost height is very fast as the update of fruit product, also need more mold exchange, waste bigger, the cost raising.
Summary of the invention
The purpose of this invention is to provide a kind of method for fixing spherical lens to chuck that improves machining accuracy, reduces cost.
Purpose of the present invention can realize by following scheme: it uses viscose glue dish, adhesives, eyeglass, described adhesive material adopts pitch, select the height of the needle penetration of pitch according to the machining lens required precision, the processing eyeglass that radius of curvature is big or required precision is low, needle penetration is selected low, otherwise select higher, because the difference of pitch needle penetration, determined pitch that different ductility is arranged, utilize the delicate variation of this performance of pitch, make it in the process of machining lens, be arranged desirable the cooperation with mould, machine operation; Described viscose glue dish is convex or concavity, its radius of curvature=± (eyeglass radius of curvature
Thickness adhesive-layer thickness ± coefficient), other is provided with a viscose glue mould, and the shape of this viscose glue mould is corresponding with the viscose glue dish, is concavity or convex, its radius of curvature=± (eyeglass radius of curvature
± coefficient); When the viscose glue dish is concavity, put a certain amount of pitch in the inner surface of viscose glue dish, with described convex viscose glue mould the pitch in the viscose glue dish is pressed into even adhesive linkage; When the viscose glue dish is convex, described viscose glue mould concavity, in the built-in a certain amount of pitch of concavity viscose glue mould, and with the even outer surface formation adhesive linkage that is attached to convex viscose glue dish of pressing of pitch; Coefficient is a correction value, is rule of thumb chosen by the designer according to the lens shape difference; Posting evenly distributed good eyeglass on the mould, the good viscose glue dish of condensation is evenly being baked with soft fire before the coal gas spray gun, vertically be pressed into gently after roasting is good and post on the mould, promptly eyeglass is bonded on the viscose glue dish, then go up while hot machine correct grinding, polishing, the completion back is the machine cleaning down, and eyeglass is struck down; Then with the viscose glue dish after heating on the dissolving machine, adds liquid slightly pitch, promptly can be next time use again with the viscose glue die repair.
The present invention contrasts prior art and has following advantage: 1, utilized the softening point of pitch low, ductility is good, and with the viscose glue mould pitch is evenly pressed and to be attached on the metal die viscose glue dish, need be on the viscose glue dish machining lens locating hole, improve mould and die accuracy, realized improving the machining accuracy of eyeglass; 2, binding material pitch low price has very easily been bought on market, and has used the viscose glue mould, and pitch can be recycled, and has reduced industrial refuse and environmental pollution, and has reduced cost; 3, because metal die, i.e. viscose glue dish need have the lens orientation hole on the viscose glue dish of using when not resembling dish method on the rigidity, when the update of product is very fast, does not also need more mold exchange, reduces cost.
Description of drawings
Fig. 1 is the structural representation of viscose glue dish of the present invention when being convex;
Fig. 2 is the structural representation of viscose glue dish of the present invention when being concavity.
Most preferred embodiment
The present invention is described in further detail below in conjunction with drawings and Examples: referring to accompanying drawing, adhesive material 2 adopts pitch, needle penetration according to the selected pitch of machining lens 1 required precision, the eyeglass that radius of curvature is big or required precision is low, needle penetration is selected low, otherwise select higher, because the difference of pitch needle penetration, determined pitch that different ductility is arranged, utilize the delicate variation of this performance of pitch, make it in the process of machining lens, be arranged desirable the cooperation with mould, machine operation; Described viscose glue dish 3 is convex or concavity, its radius of curvature=± (eyeglass radius of curvature
adhesive-layer thickness ± coefficient), other is provided with a viscose glue mould, and this viscose glue mould is corresponding with the viscose glue dish, is convex or concavity, its radius of curvature=± (eyeglass radius of curvature
± coefficient), when the viscose glue dish is concavity, put a certain amount of pitch in the inner surface of viscose glue dish, with described convex viscose glue mould the pitch in the viscose glue dish is pressed into even adhesive linkage, when the viscose glue dish is convex, described viscose glue mould concavity, in the built-in a certain amount of pitch of concavity viscose glue mould, and with the even outer surface formation adhesive linkage that is attached to convex viscose glue dish of pressing of pitch; Coefficient is a correction value, is rule of thumb chosen by the designer according to the lens shape difference; Posting evenly distributed good eyeglass on the mould, the good viscose glue dish of condensation is evenly being baked with soft fire before the coal gas spray gun, vertically be pressed into gently after roasting is good and post on the mould, promptly eyeglass is bonded on the viscose glue dish, then go up while hot machine correct grinding, polishing, the completion back is the machine cleaning down, and eyeglass is struck down; When using, the viscose glue dish after heating on the dissolving machine, is added liquid slightly pitch next time, can use again with the viscose glue die repair; Dissolve the pitch that gets off during heating viscose glue dish and be reentered into repeated use in the pitch pot.
For example, process a convex lens sheet, referring to Fig. 1, when selecting convex viscose glue dish for use, the corresponding employing concavity of viscose glue mould, its operating procedure is: 1, the viscose glue dish is shaped, and convex viscose glue dish 3 is installed on the dissolving machine heats earlier, adds in concavity viscose glue mould simultaneously and has dissolved good pitch in right amount, this pitch is a semi liquid state, treat that the viscose glue dish takes off after hot slightly gently, vertically be pressed into the viscose glue mould, notice that the viscose glue dish is coaxial with the viscose glue mould, and note controlling well the thickness of the pitch layer after being shaped, when the sensation pitch solidifies, with air gun the viscose glue mould is separated, again the viscose glue dish after being shaped is put into fully condensation of cold water rapidly.When daily use, do not need this operation of repetition behind the viscose glue disc molding.2, selected recessed benchmark mould is for posting mould, evenly distributed good eyeglass; 3, the good viscose glue dish of condensation is evenly baked with soft fire before the coal gas spray gun; 4, roasting vertically is pressed into gently after good and posts on the mould, promptly eyeglass is bonded on the viscose glue dish, glue eyeglass the viscose glue dish we be mirror disk; 5, go up the machine correct grinding while hot; 6, the good back of correct grinding changes polishing process over to the running water flushing; 7, mirror disk bubble in 40-50 ℃ water after 10 minutes rapidly on the machine polishing, the completion back is the machine cleaning down, and eyeglass is struck down, i.e. lower wall is so far just finished the process of an eyeglass; 8, the viscose glue dish is sent correct grinding back to after heating on the dissolving machine, inserts pitch usefulness viscose glue die repair slightly and answers standby.Dissolving the pitch that gets off during heating is reentered into to dissolve to can be in the pitch pot again and uses.
Following table is a dish method workflow on the eyeglass of the present invention.
Step | Action | Material, auxiliary material frock, anchor clamps | Capital equipment | |
1 | Prepare | Eyeglass, pitch, | ||
2 | The viscose glue disc molding | Viscose glue dish, adhesive | Dissolving machine | |
3 | Coil on the eyeglass | Post mould, mirror disk | ||
4 | Correct grinding | Correct grinding film, mirror disk | Refiner | |
5 | Polishing | Polished film, mirror disk | Polishing machine | |
6 | The eyeglass lower wall | Mirror disk | ||
7 | Mirror disk is repaired | Viscose glue dish, adhesive film | Dissolving machine |
Claims (1)
1, a kind of method for fixing spherical lens to chuck, use viscose glue dish, adhesives, eyeglass, it is characterized in that: one, described adhesive material adopts pitch, needle penetration according to the selected pitch of machining lens required precision, the eyeglass that radius of curvature is big or required precision is low, needle penetration is selected low, otherwise selects higher; Two, described viscose glue dish is convex or concavity, its its radius of curvature=± (eyeglass radius of curvature
adhesive-layer thickness ± coefficient), other is provided with a viscose glue mould, and this viscose glue mould is convex or concavity, its radius of curvature=± (eyeglass radius of curvature
± coefficient), when the viscose glue dish is concavity, put a certain amount of pitch in the inner surface of viscose glue dish, with described viscose glue mould the pitch in the viscose glue dish is pressed into even adhesive linkage, when the viscose glue dish is convex, described viscose glue mould concavity, in the built-in a certain amount of pitch of concavity viscose glue mould, and with the even outer surface formation adhesive linkage that is attached to convex viscose glue dish of pressing of pitch; Coefficient is a correction value, is rule of thumb chosen by the designer according to the lens shape difference; Three, posting evenly distributed good eyeglass on the mould, the good viscose glue dish of condensation is evenly being baked with soft fire before the coal gas spray gun, vertically be pressed into gently after roasting is good and post on the mould, promptly eyeglass is bonded on the viscose glue dish, then go up while hot machine correct grinding, polishing, the completion back is the machine cleaning down, and eyeglass is struck down; When using, the viscose glue dish after heating on the dissolving machine, is added liquid slightly pitch next time, can use again with the viscose glue die repair; Dissolve the pitch that gets off during heating viscose glue dish and be reentered into repeated use in the pitch pot.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN00114022A CN1127394C (en) | 2000-01-18 | 2000-01-18 | Method for fixing spherical lens to chuck |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN00114022A CN1127394C (en) | 2000-01-18 | 2000-01-18 | Method for fixing spherical lens to chuck |
Publications (2)
Publication Number | Publication Date |
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CN1305882A CN1305882A (en) | 2001-08-01 |
CN1127394C true CN1127394C (en) | 2003-11-12 |
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CN00114022A Expired - Fee Related CN1127394C (en) | 2000-01-18 | 2000-01-18 | Method for fixing spherical lens to chuck |
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CN (1) | CN1127394C (en) |
Families Citing this family (13)
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JP4787079B2 (en) * | 2006-06-06 | 2011-10-05 | 株式会社リコー | Document reading apparatus and image forming apparatus using the same |
EP2145730A1 (en) * | 2008-07-17 | 2010-01-20 | Essilor International (Compagnie Générale D'Optique) | Lens blocking and deblocking method and related device |
CN101367185B (en) * | 2008-09-25 | 2012-02-01 | 成都贝瑞光电科技股份有限公司 | Polishing mould for optical element and manufacturing method thereof |
CN104551926A (en) * | 2015-01-09 | 2015-04-29 | 西安应用光学研究所 | Hard optical material polishing die combined structure and manufacturing method |
CN106541311B (en) * | 2016-10-13 | 2018-07-13 | 中国航空工业集团公司洛阳电光设备研究所 | A kind of processing method of wedge mirror |
CN108340213A (en) * | 2018-03-08 | 2018-07-31 | 信阳市宏远光学仪器有限公司 | The processing unit (plant) and optical mirror slip of a kind of processing method of optical mirror slip, optical mirror slip |
CN109807694B (en) * | 2019-01-16 | 2021-07-06 | 西安应用光学研究所 | Centroid disc loading tool for controlling height parallelism difference machining of special-shaped optical window part and polishing method |
CN111152096A (en) * | 2020-01-14 | 2020-05-15 | 福建福特科光电股份有限公司 | Method for quickly loading small-caliber lens onto disc |
CN111251121A (en) * | 2020-02-26 | 2020-06-09 | 中山市冠林光电科技有限公司 | Method for ensuring processing thickness concentration of optical lens |
CN111482337B (en) * | 2020-05-19 | 2021-05-28 | 大连理工大学 | Asphalt bonding and hanging method for ultrathin parts |
CN112388441B (en) * | 2020-11-11 | 2021-09-14 | 江西弘耀光学水晶有限公司 | Tray feeding mechanism for infrared lens processing |
CN114147504B (en) * | 2021-12-14 | 2023-04-11 | 江苏集萃精凯高端装备技术有限公司 | Lens fixing device and ultra-precise turning method of lens |
CN115595537A (en) * | 2022-10-18 | 2023-01-13 | 江苏久禾光电有限公司(Cn) | Lens coating process capable of improving real-shot stray light |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2041604U (en) * | 1988-09-10 | 1989-07-26 | 卓桂富 | Universal high-speed sleeking and buffing machine for toric surface optic |
CN2103402U (en) * | 1991-10-26 | 1992-05-06 | 太原机械学院 | Linear integral double-lens bonding clamp |
CN1163815A (en) * | 1996-03-12 | 1997-11-05 | 佳能株式会社 | Lens holding method and apparatus and lens working method |
-
2000
- 2000-01-18 CN CN00114022A patent/CN1127394C/en not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2041604U (en) * | 1988-09-10 | 1989-07-26 | 卓桂富 | Universal high-speed sleeking and buffing machine for toric surface optic |
CN2103402U (en) * | 1991-10-26 | 1992-05-06 | 太原机械学院 | Linear integral double-lens bonding clamp |
CN1163815A (en) * | 1996-03-12 | 1997-11-05 | 佳能株式会社 | Lens holding method and apparatus and lens working method |
Also Published As
Publication number | Publication date |
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CN1305882A (en) | 2001-08-01 |
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