CN201768919U - Lathe for progressive additional lens - Google Patents
Lathe for progressive additional lens Download PDFInfo
- Publication number
- CN201768919U CN201768919U CN201020282013XU CN201020282013U CN201768919U CN 201768919 U CN201768919 U CN 201768919U CN 201020282013X U CN201020282013X U CN 201020282013XU CN 201020282013 U CN201020282013 U CN 201020282013U CN 201768919 U CN201768919 U CN 201768919U
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- main shaft
- lathe
- guide rail
- knife rest
- spindle motor
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Abstract
The utility model relates to a lathe for progressive additional lens which mainly solves the problem with the existing lens lathe, such as low processing precision and is characterized in that a lathe bed (1) is an integral structure manufactured through a high-quality cast iron, a main shaft motor (2) is in direct-transmission connection with a main shaft (8), the main shaft (8) adopts an aerostatic bearing, a spring jacket (11) is mounted at one end of the main shaft (8) and corresponds to a cutting tool device, a shaft encoder (9) is arranged at the other end of the main shaft motor (2), and a linear motor is arranged on a guide rail (3) for driving an object table (10) to slide along the guide rail (3); and a tool post fixed seat (6) is driven by the linear motor to slide along a linear-motor platform guide rail (13) in a reciprocating manner. The lathe for progressive additional lens is equipped with the tool post fixed seat which can move along with the main shaft and adopts the main shaft with a C shaft for control; therefore the correction and compensation of discrete errors can be realized during lens machining. The machining precision of the lathe is high.
Description
Technical field:
The utility model relates to a kind of profile turning processing unit (plant) of optical mirror slip, belongs to a kind of progressive multi-focal lenses sheet lathe.
Background technology:
Progressive multi-focus lens is meant from far using closely with luminosity eyeglass continuous, continual gradual change.The principal character of progressive multi-focus lens (Progressive Additional Lens) is: looking between the near reading range of fixing below far field and the eyeglass of eyeglass upper fixed one section refractive power continually varying transitional region is arranged, this lens area promptly is called the transition region.In this zone, reach the increase gradually of eyeglass refractive power (number of degrees) by diminishing gradually of eyeglass radius of curvature, thereby provide from far point near point whole process, continuous clear vision for the wearer.
The processing of progressive multi-focus lens transition region has related to aspheric processing in fact, compares with traditional spherical mirror, and processing and detection be difficulty very.The processing of aspheric surface optical accessory at present is a difficult problem of generally acknowledging both at home and abroad.The most of aspheric surface optical accessories of China adopt manual polishing method manufacturing, rely on the workman be skilled in technique and repair by part repeatedly and throw and constantly detect and finish, and the cost height, efficient is low, labour intensity is big, and machining accuracy can't guarantee.Existing eyeglass lathe mainly is made up of lathe bed, work spindle, guide rail and cutter arrangement, because the problem of aspects such as spindle rotation accuracy, system's control, grating chi position measurement feedback, cause the process data of progressive multi-focus lens and the problem of lens design data discrete sexual deviation, discreteness departs from and can't compensate by data correction, machining accuracy is low, and the finished product eyeglass influences adaptability and the comfort that the user wears.
The utility model content:
In order to overcome the low deficiency of existing eyeglass machined into precision, the utility model provides a kind of progressive multi-focal lenses sheet lathe, this progressive multi-focal lenses sheet lathe configuration is with the knife rest holder of work spindle motion, adopt the work spindle of band C axle control, knife rest can be processed the needs of profile and the follow-up motion that work spindle carries out corresponding mathematics profile according to eyeglass, when work spindle rotates, knife rest will carry out the reciprocating motion of servo-actuated with the speed of several times, knife rest possesses higher frequency response speed, kinematic accuracy and thrust, and then the discreteness of eyeglass processing departed from realized correction-compensation, the machining accuracy height.
The technical solution of the utility model is: this progressive multi-focal lenses sheet lathe comprises lathe bed, spindle motor, guide rail and cutter arrangement, cutter arrangement wherein is mainly by the profile lathe tool, knife rest, milling cutter device and mount pad are formed, knife rest links to each other with the knife rest holder, guide rail and mount pad are fixed on the lathe bed top, spindle motor and main shaft can slide along guide rail, lathe bed is the overall structure of high quality cast iron casting, the direct transmission main shaft of spindle motor, main shaft adopts aerostatic bearing, spindle motor and main shaft are installed on the objective table, the movement position of objective table is by optical grating ruler measurement, the resolution ratio of described grating chi is not less than 0.1 μ m, the end that main shaft is corresponding with cutter arrangement is equipped with the spring chuck, and the other end of spindle motor is provided with shaft encoder, and guide rail is provided with the linear electric motors that driving objective table slides along guide rail; Mount pad is provided with the linear electric motors platform rail, and described knife rest holder can reciprocatingly slide along the linear electric motors platform rail.
Described spring chuck is the tubular structure that sidewall evenly has the bar shaped gap, and its outer wall is a taper seat, and its inwall is the face of cylinder.
Described profile lathe tool is the both sides that two and symmetry are fixed on knife rest, and the minimum range of 2 profile lathe tools is not less than the diameter of eyeglass.
The beneficial effects of the utility model are: owing to take such scheme, lathe bed has shock absorption and higher precision stability preferably, main shaft can adjusted rotating speed in the angular range arbitrarily, make main shaft have the function of C axle control, the axis direction of main shaft is the Z axle, the C axle is meant around the Z axle and rotates, be that main shaft is cooperating the profile lathe tool that any part on the end face of eyeglass is processed under the control of numerical control device, turning state to eyeglass carries out data interpolation, and the discreteness of eyeglass departs from and can compensate by data correction.Main shaft is selected aerostatic bearing for use, make work spindle have higher rotating accuracy, the knife rest holder can be processed the needs of profile according to eyeglass, cooperate work spindle to carry out the follow-up motion of corresponding mathematics profile, when main shaft rotates, knife rest will carry out the reciprocating motion of servo-actuated with the speed of several times, and then realize the processing of progressive multi-focus lens.Adopt ultraprecise grating chi to have higher displacement measurement precision, make the workpiece location accurately, the machining accuracy height of eyeglass.
Description of drawings:
Accompanying drawing 1 is a structural representation of the present utility model;
Accompanying drawing 2 is structural representations of the spring chuck 11 among Fig. 1;
Accompanying drawing 3 is structural representations of the eyeglass seat 15 that is used with spring chuck 11.
1-lathe bed among the figure, 2-spindle motor, 3-guide rail, 4-profile lathe tool, 5-knife rest, 6-knife rest holder, 7-mount pad, 8-main shaft, 9-shaft encoder, 10-objective table, 11-spring chuck, 12-linear electric motors platform rail, 13-grating chi, 14-gap, 15-eyeglass seat.
The specific embodiment:
The utility model is described in further detail below in conjunction with accompanying drawing:
By shown in Figure 1, this progressive multi-focal lenses sheet lathe comprises lathe bed 1, spindle motor 2, guide rail 3 and cutter arrangement, cutter arrangement wherein mainly is made up of profile lathe tool 4, knife rest 5, milling cutter device 6 and mount pad 7, knife rest 5 links to each other with knife rest holder 6, guide rail 3 is fixed on lathe bed 1 top with mount pad 7, and spindle motor 2 guide rail 3 relatively slides.Lathe bed 1 is the overall structure of high quality cast iron casting, spindle motor 2 direct transmission main shafts 8, main shaft 8 adopts aerostatic bearing, spindle motor 2 is installed on the objective table 10 with main shaft 8, the movement position of objective table 10 is measured by grating chi 13, and the resolution ratio of described grating chi 13 is not less than 0.1 μ m, and the end that main shaft 8 is corresponding with cutter arrangement is equipped with spring chuck 11, the other end of spindle motor 2 is provided with shaft encoder 9, and guide rail 3 is provided with the linear electric motors that driving objective table 10 slides along guide rail 3; Mount pad 7 is provided with linear electric motors platform rail 12, and described knife rest holder 6 can reciprocatingly slide along linear electric motors platform rail 12.In the such scheme, lathe bed 1 has shock absorption and higher precision stability preferably, main shaft 8 can adjusted rotating speed in the angular range arbitrarily, make main shaft 8 have the function of C axle control, the axis direction of main shaft 8 is the Z axle, and the C axle is meant that around the rotation of Z axle promptly any part of spindle motor 2 on the end face that cooperates 4 pairs of eyeglasses of profile lathe tool under the control of numerical control device processed, carry out the numerical value interpolation under the turning state to eyeglass, the discreteness of eyeglass departs from and can compensate by data correction.The bearing of main shaft 8 is selected aerostatic bearing for use, make main shaft 8 have higher rotating accuracy, knife rest holder 6 can cooperate spindle motor 2 to carry out the follow-up motion of corresponding mathematics profile according to the processing profile needs of eyeglass, when main shaft 8 rotates, knife rest 5 will carry out the reciprocating motion of servo-actuated with the speed of several times, and then realize the processing of progressive multi-focus lens.Adopt ultraprecise grating chi 13 to have higher displacement measurement precision, make the workpiece location accurately, the machining accuracy height of eyeglass.
In conjunction with shown in Figure 3, described spring chuck 11 is the tubular structure that sidewall evenly has bar shaped gap 14 by Fig. 2, and its outer wall is a taper seat, and its inwall is the face of cylinder.During use, design an eyeglass seat 15 that matches with spring chuck 11 separately, one end of eyeglass seat 15 matches with spring chuck 11, spring chuck 11 can be with eyeglass seat 15 chuckings, the other end of eyeglass seat 15 is bonded at eyeglass seat 15 end faces by the bonding agent of special use with eyeglass, and special-purpose bonding agent is generally selected thermoplasticity material preferably for use, have higher adhesive strength after the bonding agent cooling and also be heated after can at an easy rate eyeglass be taken off, be installed conveniently, do not damage eyeglass.
By shown in Figure 1, described profile lathe tool 4 is the both sides that two and symmetry are fixed on knife rest 5, and the minimum range of 2 profile lathe tools 4 is not less than the diameter of eyeglass.A profile lathe tool 4 is a roughing tool, and another is a finishing tool, and rough turn can once being installed with finish turning finished, and avoided the error that is installed.
Claims (3)
1. progressive multi-focal lenses sheet lathe, comprise lathe bed (1), spindle motor (2), guide rail (3) and cutter arrangement, cutter arrangement wherein is mainly by profile lathe tool (4), knife rest (5), milling cutter device (6) and mount pad (7) are formed, knife rest (5) links to each other with knife rest holder (6), guide rail (3) is fixed on lathe bed (1) top with mount pad (7), spindle motor (2) can slide along guide rail (3) with main shaft (8), it is characterized in that: lathe bed (1) is the overall structure of high quality cast iron casting, spindle motor (2) is transmission main shaft (8) directly, main shaft (8) adopts aerostatic bearing, spindle motor (2) is installed on the objective table (10) with main shaft (8), the movement position of objective table (10) is measured by grating chi (13), the resolution ratio of described grating chi (13) is not less than 0.1 μ m, the end that main shaft (8) is corresponding with cutter arrangement is equipped with spring chuck (11), the other end of spindle motor (2) is provided with shaft encoder (9), and guide rail (3) is provided with the linear electric motors that driving objective table (10) slides along guide rail (3); Mount pad (7) is provided with linear electric motors platform rail (12), and described knife rest holder (6) can reciprocatingly slide along linear electric motors platform rail (12).
2. progressive multi-focal lenses sheet lathe according to claim 1 is characterized in that: described spring chuck (11) is the tubular structure that sidewall evenly has bar shaped gap (14), and its outer wall is a taper seat, and its inwall is the face of cylinder.
3. progressive multi-focal lenses sheet lathe according to claim 1 is characterized in that: described profile lathe tool (4) is the both sides that two and symmetry are fixed on knife rest (5), and the minimum range of 2 profile lathe tools (4) is not less than the diameter of eyeglass.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020282013XU CN201768919U (en) | 2010-08-02 | 2010-08-02 | Lathe for progressive additional lens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020282013XU CN201768919U (en) | 2010-08-02 | 2010-08-02 | Lathe for progressive additional lens |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201768919U true CN201768919U (en) | 2011-03-23 |
Family
ID=43748752
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201020282013XU Expired - Lifetime CN201768919U (en) | 2010-08-02 | 2010-08-02 | Lathe for progressive additional lens |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201768919U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102699349A (en) * | 2012-04-24 | 2012-10-03 | 浙江日科自动化设备有限公司 | Lens lathing machine |
| CN103182522A (en) * | 2013-02-28 | 2013-07-03 | 温州医学院眼视光研究院 | Device for processing free-form surface contact lens and control method thereof |
| CN103231075A (en) * | 2013-02-28 | 2013-08-07 | 温州医学院眼视光研究院 | Lathe used for processing hard contact lenses |
| CN105171521A (en) * | 2015-10-13 | 2015-12-23 | 北京卫星制造厂 | High-precision shaft part machining method based on multiple times of detection and compensation |
| CN107077120A (en) * | 2014-10-03 | 2017-08-18 | 埃西勒国际通用光学公司 | Carry out the machine-tooled method at least one surface of turning ophthalmic lens using the turning machine with least one geometrical defect |
| CN113977072A (en) * | 2021-11-30 | 2022-01-28 | 广东宏石激光技术股份有限公司 | Variable-spot diffraction element-based zoom laser processing system and method |
-
2010
- 2010-08-02 CN CN201020282013XU patent/CN201768919U/en not_active Expired - Lifetime
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102699349A (en) * | 2012-04-24 | 2012-10-03 | 浙江日科自动化设备有限公司 | Lens lathing machine |
| CN103182522A (en) * | 2013-02-28 | 2013-07-03 | 温州医学院眼视光研究院 | Device for processing free-form surface contact lens and control method thereof |
| CN103231075A (en) * | 2013-02-28 | 2013-08-07 | 温州医学院眼视光研究院 | Lathe used for processing hard contact lenses |
| CN103231075B (en) * | 2013-02-28 | 2015-08-26 | 温州医学院眼视光研究院 | A kind of lathe for the processing of hard contact lens sheet |
| CN103182522B (en) * | 2013-02-28 | 2015-10-28 | 温州医学院眼视光研究院 | A kind of device for Machining Free-Form Surfaces contact lens and control method thereof |
| CN107077120A (en) * | 2014-10-03 | 2017-08-18 | 埃西勒国际通用光学公司 | Carry out the machine-tooled method at least one surface of turning ophthalmic lens using the turning machine with least one geometrical defect |
| CN105171521A (en) * | 2015-10-13 | 2015-12-23 | 北京卫星制造厂 | High-precision shaft part machining method based on multiple times of detection and compensation |
| CN105171521B (en) * | 2015-10-13 | 2017-06-27 | 北京卫星制造厂 | A kind of high accuracy Machining of Shaft-type Parts method based on repeated detection and compensation |
| CN113977072A (en) * | 2021-11-30 | 2022-01-28 | 广东宏石激光技术股份有限公司 | Variable-spot diffraction element-based zoom laser processing system and method |
| CN113977072B (en) * | 2021-11-30 | 2022-10-18 | 广东宏石激光技术股份有限公司 | Variable-spot diffraction element-based zoom laser processing system and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 325027 No. 270 West College Road, Wenzhou City, Zhejiang Province Co-patentee after: WENZHOU EXVISION TECHNOLOGY, Inc. Patentee after: OPHTHALMOLOGY AND OPTOMETRY INSTITUTE, WENZHOU MEDICAL University Address before: 325027 No. 270 West College Road, Wenzhou City, Zhejiang Province Co-patentee before: WENZHOU EXVISION TECHNOLOGY, INC. Patentee before: SCHOOL OF OPHTHALMOLOGY AND OPTOMETRY, WENZHOU MEDICAL College |
|
| CP01 | Change in the name or title of a patent holder | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190104 Address after: 325000 No. 270 West College Road, Wenzhou, Zhejiang Patentee after: OPHTHALMOLOGY AND OPTOMETRY INSTITUTE, WENZHOU MEDICAL University Address before: 325027 No. 270 West College Road, Wenzhou City, Zhejiang Province Co-patentee before: WENZHOU EXVISION TECHNOLOGY, INC. Patentee before: OPHTHALMOLOGY AND OPTOMETRY INSTITUTE, WENZHOU MEDICAL University |
|
| TR01 | Transfer of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110323 |
|
| CX01 | Expiry of patent term |