CN106363467A - Locating tool and method for precision processing of optical lens - Google Patents
Locating tool and method for precision processing of optical lens Download PDFInfo
- Publication number
- CN106363467A CN106363467A CN201611000208.9A CN201611000208A CN106363467A CN 106363467 A CN106363467 A CN 106363467A CN 201611000208 A CN201611000208 A CN 201611000208A CN 106363467 A CN106363467 A CN 106363467A
- Authority
- CN
- China
- Prior art keywords
- positioning ring
- main body
- bakelite layer
- tool
- optical lenses
- 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.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B1/00—Processes of grinding or polishing; Use of auxiliary equipment in connection with such processes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B13/00—Machines or devices designed for grinding or polishing optical surfaces on lenses or surfaces of similar shape on other work; Accessories therefor
- B24B13/01—Specific tools, e.g. bowl-like; Production, dressing or fastening of these tools
- B24B13/012—Specific tools, e.g. bowl-like; Production, dressing or fastening of these tools conformable in shape to the optical surface, e.g. by fluid pressure acting on an elastic membrane
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/06—Work supports, e.g. adjustable steadies
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
Abstract
The invention discloses a locating tool for precision processing of an optical lens, comprising a fixture main body and a locating collar; the fixture main body comprises a metal matrix and a bakelite layer adhered to the top of the metal matrix; the upper surface of the bakelite layer is processed into a concave spherical surface of which the radius is consistent with that of a convex surface of a to-be-processed part; a through hole is formed in the center of each of the bakelite layer and the metal matrix; the lower part of the metal matrix is connected with vacuumizing equipment; the locating collar sleeves the upper part of the metal matrix and the outside of the bakelite layer; the top of the locating collar is provided with a locating conical surface; and when being used for processing the part, the locating tool is located at the top of the bakelite layer to process the excircle, end surface, spherical surface or nonspherical surface of the part. The locating tool is used for precisely locating the lens through one-step clamping, so that the excircle, the end surface and the spherical surface are milled, and the requirements for form and location tolerance such as a uniform thickness difference and a jerk value as well as a shape size tolerance are ensured; and meanwhile, the operation process for manually regulating the part clamping position is omitted, so that the labor intensity is relieved, the processing efficiency is increased, and the locating tool is suitable for a mass production process.
Description
Technical field
The invention belongs to optical lenses processing technique field, be mainly used in the milling of optical lenses in addition to biconcave lenss or
Forming, also apply be applicable to the manufacture fields such as polishing, Buddha's warrior attendant car and in particular to a kind of optical lenses Precision Machining positioning tool
And localization method.
Background technology
In optics manufacture process, except optical surface processing is outer, form and position tolerances such as the poor, jerk value of uniform thickness and outward also to be met
The requirement of shape dimensional tolerance.Traditional method typically assists to control form and position tolerance by way of dial gauge measurement by manual setting,
Requirement to operator's technical ability is higher, and batch production efficiency is low, high labor intensive.
Content of the invention
(1) technical problem to be solved
The technical problem to be solved in the present invention is: a kind of optical lenses Precision Machining positioning tool and localization method are provided,
Realize optical lenses positioning processing, to reduce labor intensity and the skill set requirements of operator, and improve production efficiency it is adaptable to
Produce in enormous quantities.
(2) technical scheme
In order to solve above-mentioned technical problem, the present invention provides a kind of optical lenses Precision Machining positioning tool, comprising: folder
Tool main body 1, positioning ring 2；Jig main body 1 includes metallic matrix 5 and the bakelite layer 4 being bonded in metallic matrix 5 top, bakelite layer
4 upper surfaces are processed into concave spherical surface, and concave spherical surface radius is consistent with the crowning radius of parts to be processed, in bakelite layer 4 and metallic matrix 5
Heart opened hole, metallic matrix 5 bottom is connected with vaccum-pumping equipment, and positioning ring 2 is set in metallic matrix 5 top and bakelite layer 4
Outside；Positioning ring 2 top arrange orientational cone-shaped surface 6, part processing when, be positioned at bakelite layer 4 top, carry out part cylindrical, end
Face, sphere or aspheric processing.
Wherein, described metallic matrix 5 top external circumference arranges external screw thread, and positioning ring 2 inwall arranges center flank 7,
Connected by center flank 7 and external screw thread and positioning ring 7 is arranged on jig main body 1 top.
Wherein, described positioning ring 2 side opens up fastening thread hole 8, installs trip bolt 3, pass through in fastening thread hole 8
Adjustment trip bolt 3 is it is ensured that positioning ring 2 is locked with jig main body 1.
Wherein, the cone angle of described orientational cone-shaped surface 6 is 2 times of parts to be processed convex surface chamfering.
Wherein, described bakelite layer 4 selects phenolic aldehyde cotton laminate.
Wherein, described metallic matrix 5 is made using aluminium alloy 2a12.
Wherein, described positioning ring 2 is by can make turning plastics.
Present invention also offers a kind of optical lenses Precision Machining localization method, it comprises the following steps:
S1: open lathe, process part convex spherical；
S2: positioning tool is arranged on machining tool workpiece spindle, is rotated down positioning ring 2 and trip bolt 3 is locked
Tightly it is ensured that positioning ring 2 and jig main body 1 do not occur relative motion；
S3: milling bakelite layer concave spherical surface, makes bakelite layer concave spherical surface radius consistent with part crowning radius；
S4: part convex spherical is placed on jig main body 1 down, unclamps trip bolt 3；
S5: buttress lens, turn positioning ring 2 is it is ensured that orientational cone-shaped surface is completely attached to convex lens surface chamfering；
S6: open vac sorb switch；
S7: turn positioning ring 2 so that positioning ring 2 departs from part finished surface, and with trip bolt 3 by the collar and
Jig main body 1 is locked, and then part is cylindrical, end face, sphere or aspheric surface for processing.
(3) beneficial effect
Optical lenses Precision Machining positioning tool and localization method that technique scheme is provided, complete convex spherical milling
After mill, lens can be accurately positioned by being once installed, milling is cylindrical, end face and sphere are it is ensured that uniform thickness is poor, jerk value
Tolerance etc. form and position tolerance and overall dimensions；Meanwhile, eliminate manual setting part to be installed the operating process of position, reduce
Labor intensity, improves working (machining) efficiency it is adaptable to produce technique in enormous quantities.
Brief description
Fig. 1 is embodiment of the present invention positioning tool structural representation；
Fig. 2 is positioning ring schematic diagram；
Fig. 3 is to apply this invention to be installed positioning schematic diagram；
Fig. 4 be apply this invention be installed positioning finish after the schematic diagram that is processed.
Specific embodiment
For making the purpose of the present invention, content and advantage clearer, with reference to the accompanying drawings and examples, to the present invention's
Specific embodiment is described in further detail.
Shown in seeing figures.1.and.2, the present embodiment optical lenses Precision Machining positioning tool includes jig main body 1, positioning sleeve
Ring 2 and trip bolt 3.
Jig main body 1 includes bakelite layer 4 and metallic matrix 5, and bakelite layer 4 selects phenolic aldehyde cotton laminate, and upper surface is processed
Become concave spherical surface, concave spherical surface radius is consistent with the crowning radius of parts to be processed, lower surface is plane；Metallic matrix 5 adopts aluminum to close
Golden 2a12 makes, and its upper end column part and bakelite layer lower surface pass through gluing bonding, and lower cylindrical is used for setting with evacuation
Standby connection, bakelite layer 4 and metallic matrix 5 center opened hole, are adsorbed parts to be processed on bakelite layer by vaccum-pumping equipment
On surface；Metallic matrix 5 top external circumference arranges external screw thread, and positioning ring 2 inwall setting center flank 7, by center spiral shell
Positioning ring 7 is arranged on jig main body 1 top by stricture of vagina face 7 and external screw thread connection.
Positioning ring 2 the selection of material can be made up turning plastics of nylon or other, and positioning ring 2 top arranges orientational cone-shaped surface
6, the cone angle of orientational cone-shaped surface 6 should be 2 times of convex lens surface chamfering, generally has 60 ° and 90 ° two kinds, and the no visible burr in surface is coarse
Degree ra is better than 1.6 μm, and on the basis of frock central shaft, jerk value is less than 0.01mm.Positioning ring 2 side opens up fastening thread hole
8, trip bolt 3 is installed in fastening thread hole 8, by adjusting trip bolt 3 it is ensured that positioning ring 2 is locked with jig main body 1,
Avoid positioning ring 2 in the milling course of processing to be moved, interfere with cutter.
When manufacturing frock, assemble jig main body 1 and positioning ring 2, the orientational cone-shaped surface of turning positioning ring 2 first.Car
When cutting, need with the lower end cylinder of jig main body 1 as positioning datum, and lock trip bolt 3 it is ensured that positioning ring 2 and fixture
There is not relative movement in main body 1.After turning, the jig main body 1 lower end face of cylinder is fixed on milling machine tool working piece axle, with processing
The upper surface (concave spherical surface) of the emery wheel milling jig main body 1 of optical lenses is it is ensured that concave spherical surface radius is consistent with convex lens surface radius.
During processing, should milling part convex spherical first, and do not need to be accurately positioned, only need to ensure surface figure accuracy.
Then, convex spherical is placed on jig main body 1 down.One hand steered live lens, another handss turn positioning ring 2 it is ensured that
Orientational cone-shaped surface is completely attached to convex lens surface chamfering, as shown in Figure 3.After opening vac sorb switch, turn positioning sleeve again
Ring 2 is so that the collar departs from part finished surface, and is locked the collar with jig main body 1 with trip bolt 3, as shown in Figure 4,
Collar during processing is avoided to be moved.
Specifically, embodiment of the present invention localization method comprises the following steps:
S1: open lathe, process part convex spherical, do not need when being installed to be accurately positioned, only need to ensure surface figure accuracy；
S2: positioning tool is arranged on machining tool workpiece spindle, is rotated down positioning ring 2 and trip bolt 3 is locked
Tightly it is ensured that positioning ring 2 and jig main body 1 do not occur relative motion；
S3: milling bakelite layer concave spherical surface, makes bakelite layer concave spherical surface radius consistent with part crowning radius；
S4: part convex spherical is placed on jig main body 1 down, unclamps trip bolt 3；
S5: one hand steered firmly lens, another handss turn positioning ring 2 is it is ensured that orientational cone-shaped surface is complete with convex lens surface chamfering
Full connected；
S6: open vac sorb switch；
S7: turn positioning ring 2 so that the collar departs from part finished surface, and with trip bolt 3 by the collar and fixture master
Body 1 is locked, it is to avoid during processing, the collar is moved；Then part is cylindrical, end face, sphere or aspheric surface for processing.
After completing convex surface processing, by being once installed, lens can be accurately positioned using the present invention, processing is outer
Circle, end face and sphere (aspheric surface) are it is ensured that the tolerance of the form and position tolerance such as poor, jerk value of uniform thickness and overall dimensions；Meanwhile, save
Go manual setting part to be installed the operating process of position, reduced labor intensity, improve working (machining) efficiency it is adaptable to produce in enormous quantities
Technique.
The above is only the preferred embodiment of the present invention it is noted that ordinary skill people for the art
For member, on the premise of without departing from the technology of the present invention principle, some improvement can also be made and deform, these improve and deform
Also should be regarded as protection scope of the present invention.
Claims (8)
1. a kind of optical lenses Precision Machining positioning tool is it is characterised in that include: jig main body (1), positioning ring (2)；Folder
Tool main body (1) includes metallic matrix (5) and the bakelite layer (4) being bonded in metallic matrix (5) top, and bakelite layer (4) upper surface adds
Work becomes concave spherical surface, and concave spherical surface radius is consistent with the crowning radius of parts to be processed, and bakelite layer (4) and metallic matrix (5) center are opened
Through hole, metallic matrix (5) bottom is connected with vaccum-pumping equipment, and positioning ring (2) is set in metallic matrix (5) top and bakelite layer
(4) outside；Positioning ring (2) top setting orientational cone-shaped surface (6), during part processing, is positioned at bakelite layer (4) top, carries out zero
Part is cylindrical, end face, sphere or aspheric processing.
2. optical lenses Precision Machining positioning tool as claimed in claim 1 is it is characterised in that described metallic matrix (5) pushes up
Portion's excircle setting external screw thread, positioning ring (2) inwall setting center flank (7), by center flank (7) and external screw thread
Connect and positioning ring (7) is arranged on jig main body (1) top.
3. optical lenses Precision Machining positioning tool as claimed in claim 2 is it is characterised in that described positioning ring (2) side
Face opens up fastening thread hole (8), installs trip bolt (3) in fastening thread hole (8), by adjusting trip bolt (3) it is ensured that determining
The position collar (2) is locked with jig main body (1).
4. optical lenses Precision Machining positioning tool as claimed in claim 3 is it is characterised in that described orientational cone-shaped surface (6)
Cone angle is 2 times of parts to be processed convex surface chamfering.
5. optical lenses Precision Machining positioning tool as claimed in claim 3 is it is characterised in that described bakelite layer (4) is selected
Phenolic aldehyde cotton laminate.
6. optical lenses Precision Machining positioning tool as claimed in claim 3 is it is characterised in that described metallic matrix (5) is adopted
Made with aluminium alloy 2a12.
7. optical lenses Precision Machining positioning tool as claimed in claim 3 it is characterised in that described positioning ring (2) by
Can make turning plastics.
8. a kind of optical lenses Precision Machining localization method is it is characterised in that comprise the following steps:
S1: open lathe, process part convex spherical；
S2: positioning tool is arranged on machining tool workpiece spindle, is rotated down positioning ring (2) and trip bolt (3) is locked
Tightly it is ensured that positioning ring (2) and jig main body (1) do not occur relative motion；
S3: milling bakelite layer concave spherical surface, makes bakelite layer concave spherical surface radius consistent with part crowning radius；
S4: part convex spherical is placed on jig main body (1) down, unclamps trip bolt (3)；
S5: buttress lens, turn positioning ring (2) is it is ensured that orientational cone-shaped surface is completely attached to convex lens surface chamfering；
S6: open vac sorb switch；
S7: turn positioning ring (2) so that positioning ring (2) departs from part finished surface, and with trip bolt (3) by the collar
With jig main body (1) locking, then part is cylindrical, end face, sphere or aspheric surface for processing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611000208.9A CN106363467A (en) | 2016-11-14 | 2016-11-14 | Locating tool and method for precision processing of optical lens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611000208.9A CN106363467A (en) | 2016-11-14 | 2016-11-14 | Locating tool and method for precision processing of optical lens |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106363467A true CN106363467A (en) | 2017-02-01 |
Family
ID=57893101
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611000208.9A Pending CN106363467A (en) | 2016-11-14 | 2016-11-14 | Locating tool and method for precision processing of optical lens |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106363467A (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106863022A (en) * | 2017-02-23 | 2017-06-20 | 云南北方驰宏光电有限公司 | The vacuum suction positioning tool and machining eyeglass method of aspherical lens processing |
| CN108000243A (en) * | 2017-11-20 | 2018-05-08 | 杭州智谷精工有限公司 | A kind of biplane Polishing machining method |
| CN108000356A (en) * | 2017-11-20 | 2018-05-08 | 杭州智谷精工有限公司 | A kind of aspheric-surface workpiece clamp method |
| CN108015666A (en) * | 2017-11-20 | 2018-05-11 | 杭州智谷精工有限公司 | A kind of monoplane Polishing machining method |
| CN108188841A (en) * | 2018-02-28 | 2018-06-22 | 江西联创电子有限公司 | 3D glass polishing methods |
| CN109318139A (en) * | 2018-10-16 | 2019-02-12 | 广东开放大学（广东理工职业学院） | A kind of clamp for machining for processing split-type optical element |
| CN110744390A (en) * | 2019-10-25 | 2020-02-04 | 天津津航技术物理研究所 | High-precision polishing process and device for optical elements with frustum planar structures |
| CN111002493A (en) * | 2019-11-26 | 2020-04-14 | 天津津航技术物理研究所 | Diamond turning method for large-caliber germanium single crystal lens |
| CN112338703A (en) * | 2020-09-30 | 2021-02-09 | 天津津航技术物理研究所 | Method and tool for polishing inner wall and outer wall of circular-ring-cylinder-shaped optical part |
| CN112936000A (en) * | 2021-04-08 | 2021-06-11 | 西安应用光学研究所 | Nonmetal mechanical centering edging piecing devices based on 3D prints |
| CN113400138A (en) * | 2021-07-15 | 2021-09-17 | 中国科学院长春光学精密机械与物理研究所 | Positioning device for milling and grinding lens |
| CN114102216A (en) * | 2021-12-14 | 2022-03-01 | 安徽光智科技有限公司 | Connecting tool for clamping optical lens |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106863022A (en) * | 2017-02-23 | 2017-06-20 | 云南北方驰宏光电有限公司 | The vacuum suction positioning tool and machining eyeglass method of aspherical lens processing |
| CN108000243A (en) * | 2017-11-20 | 2018-05-08 | 杭州智谷精工有限公司 | A kind of biplane Polishing machining method |
| CN108000356A (en) * | 2017-11-20 | 2018-05-08 | 杭州智谷精工有限公司 | A kind of aspheric-surface workpiece clamp method |
| CN108015666A (en) * | 2017-11-20 | 2018-05-11 | 杭州智谷精工有限公司 | A kind of monoplane Polishing machining method |
| CN108188841B (en) * | 2018-02-28 | 2020-07-03 | 江西联创电子有限公司 | 3D glass polishing method |
| CN108188841A (en) * | 2018-02-28 | 2018-06-22 | 江西联创电子有限公司 | 3D glass polishing methods |
| CN109318139A (en) * | 2018-10-16 | 2019-02-12 | 广东开放大学（广东理工职业学院） | A kind of clamp for machining for processing split-type optical element |
| CN109318139B (en) * | 2018-10-16 | 2024-04-02 | 广东开放大学（广东理工职业学院） | A add clamping apparatus for processing split type optical part |
| CN110744390A (en) * | 2019-10-25 | 2020-02-04 | 天津津航技术物理研究所 | High-precision polishing process and device for optical elements with frustum planar structures |
| CN111002493A (en) * | 2019-11-26 | 2020-04-14 | 天津津航技术物理研究所 | Diamond turning method for large-caliber germanium single crystal lens |
| CN111002493B (en) * | 2019-11-26 | 2022-03-29 | 天津津航技术物理研究所 | Diamond turning method for large-caliber germanium single crystal lens |
| CN112338703A (en) * | 2020-09-30 | 2021-02-09 | 天津津航技术物理研究所 | Method and tool for polishing inner wall and outer wall of circular-ring-cylinder-shaped optical part |
| CN112936000A (en) * | 2021-04-08 | 2021-06-11 | 西安应用光学研究所 | Nonmetal mechanical centering edging piecing devices based on 3D prints |
| CN113400138A (en) * | 2021-07-15 | 2021-09-17 | 中国科学院长春光学精密机械与物理研究所 | Positioning device for milling and grinding lens |
| CN114102216A (en) * | 2021-12-14 | 2022-03-01 | 安徽光智科技有限公司 | Connecting tool for clamping optical lens |
| CN114102216B (en) * | 2021-12-14 | 2023-10-03 | 安徽光智科技有限公司 | Connecting tool for clamping optical lens |
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