CN201455767U - Optical element machining center - Google Patents
Optical element machining center Download PDFInfo
- Publication number
- CN201455767U CN201455767U CN2009201105560U CN200920110556U CN201455767U CN 201455767 U CN201455767 U CN 201455767U CN 2009201105560 U CN2009201105560 U CN 2009201105560U CN 200920110556 U CN200920110556 U CN 200920110556U CN 201455767 U CN201455767 U CN 201455767U
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- Prior art keywords
- swinging axle
- optical element
- machining center
- grinding wheel
- wheel spindle
- Prior art date
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Abstract
The utility model discloses an optical element machining center, which comprises a swing shaft and a grinding wheel spindle. The swing shaft is connected with the grinding wheel spindle through a swing mechanism to adjust the swing of the grinding wheel spindle. The swing shaft is arranged on a slipway in a Z direction so as to move up and down along a Z axle. By the technical scheme of the utility model, the motion of the swing shaft is only overlapped with the linear motion in the Z direction, the positioning accuracy of the swing shaft can be improved, and the optical element machining error caused by the positioning error of the swing shaft can be reduced.
Description
Technical field
The utility model relates to optical element cold processing technique field, more particularly, relates to a kind of optical element machining center.
Background technology
The optical element machining center is the strong optical element processing equipment of a kind of function, is widely used in optical element cold working field.
At present, domestic and international widely used optics machining center has the optics machining center MCG500 that optical element surface machining center SGC121 that German Schneider GmbH company releases and German Optotech GmbH company release.Among the optical element surface machining center SGC121, swinging axle is contained on the lathe bed.Rotary table (workpiece spindle just) is contained on the swinging axle.Grinding wheel spindle is contained on the Z axle, can be X with respect to workpiece spindle, the rectilinear motion of Y and Z direction.Among the optics machining center MCG500, swinging axle is contained on the Y direction workbench, and rotary table is contained on the swinging axle.Grinding wheel spindle is contained on the cross slid platform of X and Z.
By discovering, in above-mentioned two kinds of optical element machining centers, in optical element surface machining center SGC121, X, Y and Z are stacked design.When needs were processed into concave surface with optical element surface, if the initial surface of blank element is the plane, the incision starting point of emery wheel was at the central point of blank element, and when the subtended angle of need processing was big, blank element core was broken easily.Thereby defective work piece.In optics machining center MCG500, the motion of the swinging axle rectilinear motion on the Y direction that superposeed.Equally, plane blank element is when being processed into concave surface, and the point of penetration of emery wheel is or not the center of workpiece, easily defective work piece.
European patent (EP1867430) has disclosed a kind of optics milling and polishing machine, and its swinging axle is contained on X and the Y cross slid platform, and grinding wheel spindle is contained on the swinging axle.Rotary table is contained on the Z axle.As seen, the rectilinear motion on superposeed on the swinging axle X and the Y direction makes the error of swinging axle increase equally, and the accurate location that can't realize swinging axle is caused the optical element mismachining tolerance easily.
The utility model content
In view of this, the utility model provides a kind of optical element machining center, so that improve the swinging axle locating accuracy, reduces the optical element mismachining tolerance that causes owing to the swinging axle positioning accuracy is low.
The utility model embodiment is achieved in that
A kind of optical element machining center comprises: swinging axle and grinding wheel spindle, and described swinging axle is connected with described grinding wheel spindle by slew gear, to adjust the swing of described grinding wheel spindle; Described swinging axle is installed on the slide unit on the Z direction, so that make the grinding wheel spindle that is contained on the described swinging axle move up and down along the Z axle.
Preferably, the rotary table in the described optical element machining center is installed in X and the Y cross slid platform on the base.
Preferably, described swinging axle connects a drive motors, and the stator of described drive motors and the shell of described swinging axle are fixed, and the rotor of described drive motors and the rotating shaft of described swinging axle are fixed.
Preferably, described drive motors is a torque motor.
Compare with prior art, the technical scheme that the utility model provides has the following advantages and characteristics:
At first,, make only superposeed rectilinear motion on the Z direction of the motion of swinging axle, improved the positioning accuracy of swinging axle, make the positioning accuracy of swinging axle can reach a rad order of magnitude by swinging axle being installed on the slide unit on the Z direction;
Secondly, grinding wheel spindle is installed on the swinging axle, can realizes the axis feeding of emery wheel, avoid the workpiece fragmentation along optical element.By swinging axle the emery wheel operating point is realized under the positioning accuracy condition of the rad order of magnitude, the rise precision in the time of can improving emery wheel processing spherical optics element makes the rise precision can reach the sub-micron order of magnitude;
Simultaneously, rotary table is installed in the X and the Y cross slid platform of lathe bed, fully guarantee the stability of workpiece in the process, avoid the unstability of the existing workpiece that rotary table is arranged on the swinging axle to be caused, the optical element that more convenient processing volume is big, weight is bigger.
Description of drawings
Fig. 1 is the structural front view of a kind of optical element machining center of the utility model embodiment;
Fig. 2 is the structure side view of a kind of optical element machining center of the utility model embodiment.
Relevant Reference numeral is as follows:
The 1-lathe bed;
The 2-Y slide unit;
The 3-X slide unit;
The 4-rotary table;
The 5-anchor clamps;
The 6-workpiece;
The 7-emery wheel;
The 8-grinding wheel spindle;
The 9-Z slide unit;
The 10-swinging axle.
The specific embodiment
A lot of details have been set forth in the following description so that fully understand the utility model, but the utility model can also adopt other to be different from alternate manner described here and implement, those skilled in the art can do similar popularization under the situation of the utility model intension, so the utility model is not subjected to the restriction of following public specific embodiment.
Secondly, the utility model is described in detail in conjunction with schematic diagram, when the utility model embodiment is described in detail in detail; for ease of explanation; the profile of expression device architecture can be disobeyed general ratio and be done local the amplification, and described schematic diagram is example, and it should not limit the scope of the utility model protection at this.The three dimensions size that in actual fabrication, should comprise in addition, length, width and the degree of depth.
The utility model provides a kind of optical element machining center, comprising: swinging axle and grinding wheel spindle, described swinging axle is connected with described grinding wheel spindle by slew gear, to adjust the swing of described grinding wheel spindle; Described swinging axle is installed on the slide unit on the Z direction, so that make described swinging axle move up and down along the Z axle.
When using technical solutions of the utility model, by swinging axle being installed on the slide unit on the Z direction, make only superposeed rectilinear motion on the Z direction of the motion of swinging axle, therefore, compare with optical element machining center of the prior art, can improve the positioning accuracy of swinging axle, make the positioning accuracy of swinging axle can reach a rad order of magnitude, reach the effect that improves the optical element processing accuracy.
For above-mentioned purpose of the present utility model, feature and advantage can be become apparent more,, the technical scheme among the utility model embodiment is clearly and completely described below in conjunction with accompanying drawing.
With reference to figure 1, show the structural front view of a kind of optical element machining center in the utility model, described optical element machining center specifically comprises:
It will be understood by those skilled in the art that, by swinging axle being installed on the slide unit on the Z direction, make only superposeed rectilinear motion on the Z direction of the motion of swinging axle, therefore, compare with operating table surface of the prior art, can improve the positioning accuracy of swinging axle, make the positioning accuracy of swinging axle can reach a rad order of magnitude, reach the effect that improves the optical element processing accuracy.
In addition, grinding wheel spindle is installed on the swinging axle, under the positioning accuracy condition of the swinging axle rad order of magnitude, the rise precision in the time of can improving emery wheel processing spherical optics element makes the rise precision further improve;
Simultaneously, rotary table is installed in the X and the Y cross slid platform of lathe bed, fully guarantee the stability of workpiece in the process, avoid the unstability of the existing workpiece that rotary table is arranged on the swinging axle to be caused, the optical element that more convenient processing volume is big, weight is bigger.
Those skilled in the art are when implementing technical solutions of the utility model, can be set to connect a drive motors by described swinging axle, the stator of described drive motors and the shell of described swinging axle are fixed, the rotor of described drive motors and the rotating shaft of described swinging axle are fixed, and drive swinging axle by described drive motors and swing.This kind connected mode realizes the direct driving of drive motors to swinging axle, eliminates the influence of swinging axle backlass, reduces the error of grinding wheel spindle pendulum angle.
Certainly, the mode that drives swinging axle is not limited in this, and those skilled in the art can adopt other type of drive according to the practical application scene, and the utility model is no longer given unnecessary details at this.
In order further to improve swinging axle swing locating accuracy, in technical solutions of the utility model, a kind of preferred embodiment of drive motors is, the selection torque motor is a drive motors, torque motor not needing to be characterized in the transmission mechanism that adds, and the rotor of motor is integrated on the swinging axle, and motor stator and swinging axle shell are fixed together, thereby realize the rotation of no gap, improve the angle orientation precision of swinging axle.
When using technical solutions of the utility model, can be according to the optical element of processing, the transposing emery wheel, make emery wheel and optical element surface adapt, therefore, utilize this machining center, the processing optical sphere be can realize, rotate symmetrical aspheric surface, asymmetric aspheric surface, prism and free form surface rotated, and, realizing that five processing of prism reach the rad level, sphere processing realizes that the rise precision can reach the sub-micron order of magnitude.
The above only is preferred embodiment of the present utility model, is not the utility model is done any pro forma restriction.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the utility model.Multiple modification to these embodiment will be conspicuous concerning those skilled in the art, and defined herein General Principle can realize under the situation that does not break away from spirit or scope of the present utility model in other embodiments.Therefore, the utility model will can not be restricted to these embodiment shown in this article, but will meet and principle disclosed herein and features of novelty the wideest corresponding to scope.
Claims (4)
1. an optical element machining center is characterized in that, comprising: swinging axle and grinding wheel spindle, and described swinging axle is connected with described grinding wheel spindle by slew gear, to adjust the swing of described grinding wheel spindle; Described swinging axle is installed on the slide unit on the Z direction, so that make the grinding wheel spindle that is contained on the described swinging axle move up and down along the Z axle.
2. optical element machining center according to claim 1 is characterized in that, the rotary table in the described optical element machining center is installed in X and the Y cross slid platform on the base.
3. optical element machining center according to claim 1 is characterized in that described swinging axle connects a drive motors, and the stator of described drive motors and the shell of described swinging axle are fixed, and the rotor of described drive motors and the rotating shaft of described swinging axle are fixed.
4. optical element machining center according to claim 3 is characterized in that, described drive motors is a torque motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201105560U CN201455767U (en) | 2009-07-29 | 2009-07-29 | Optical element machining center |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201105560U CN201455767U (en) | 2009-07-29 | 2009-07-29 | Optical element machining center |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201455767U true CN201455767U (en) | 2010-05-12 |
Family
ID=42383119
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201105560U Expired - Lifetime CN201455767U (en) | 2009-07-29 | 2009-07-29 | Optical element machining center |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201455767U (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102632443A (en) * | 2012-05-02 | 2012-08-15 | 西安交通大学 | Three-axle aspheric grinding machine |
| CN102632444A (en) * | 2012-05-02 | 2012-08-15 | 西安交通大学 | High-precision aspheric grinding machine |
| CN102672601A (en) * | 2012-05-02 | 2012-09-19 | 西安交通大学 | Double-beam grinding machine |
| CN103302577A (en) * | 2012-03-09 | 2013-09-18 | 林淑芬 | Grinding machine structure with vertical grinding head capable of keeping at fixed position and rotating movably |
| CN103495909A (en) * | 2013-10-11 | 2014-01-08 | 中国科学院光电技术研究所 | High-frequency vibration conformal machining device and method for surface of optical element |
| CN103846760A (en) * | 2012-12-06 | 2014-06-11 | 安顺市虹翼特种钢球制造有限公司 | Processing method of single solid wood balls |
| CN104625887A (en) * | 2014-11-30 | 2015-05-20 | 浙江台佳电子信息科技有限公司 | Automatic chamfering machining method for optical parts |
| CN103495909B (en) * | 2013-10-11 | 2016-11-30 | 中国科学院光电技术研究所 | High-frequency vibration conformal machining device and method for surface of optical element |
| CN106425752A (en) * | 2016-11-10 | 2017-02-22 | 齐齐哈尔孟维机床制造有限公司 | Numerically-controlled pendulum shaft milling-grinding machine tool |
| CN111618735A (en) * | 2020-06-24 | 2020-09-04 | 无锡市艾可密封技术有限公司 | Concave spherical surface grinding machine |
-
2009
- 2009-07-29 CN CN2009201105560U patent/CN201455767U/en not_active Expired - Lifetime
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103302577B (en) * | 2012-03-09 | 2016-06-15 | 林淑芬 | Have and can position and the grinding machine structure of moving rotary Vertical Mill head |
| CN103302577A (en) * | 2012-03-09 | 2013-09-18 | 林淑芬 | Grinding machine structure with vertical grinding head capable of keeping at fixed position and rotating movably |
| CN102632444A (en) * | 2012-05-02 | 2012-08-15 | 西安交通大学 | High-precision aspheric grinding machine |
| CN102672601A (en) * | 2012-05-02 | 2012-09-19 | 西安交通大学 | Double-beam grinding machine |
| CN102672601B (en) * | 2012-05-02 | 2014-08-20 | 西安交通大学 | Double-beam grinding machine |
| CN102632443B (en) * | 2012-05-02 | 2015-08-26 | 西安交通大学 | A kind of three axle aspheric surface grinding machines |
| CN102632443A (en) * | 2012-05-02 | 2012-08-15 | 西安交通大学 | Three-axle aspheric grinding machine |
| CN103846760A (en) * | 2012-12-06 | 2014-06-11 | 安顺市虹翼特种钢球制造有限公司 | Processing method of single solid wood balls |
| CN103495909B (en) * | 2013-10-11 | 2016-11-30 | 中国科学院光电技术研究所 | High-frequency vibration conformal machining device and method for surface of optical element |
| CN103495909A (en) * | 2013-10-11 | 2014-01-08 | 中国科学院光电技术研究所 | High-frequency vibration conformal machining device and method for surface of optical element |
| CN104625887A (en) * | 2014-11-30 | 2015-05-20 | 浙江台佳电子信息科技有限公司 | Automatic chamfering machining method for optical parts |
| CN106425752B (en) * | 2016-11-10 | 2018-06-26 | 齐齐哈尔孟维机床制造有限公司 | A kind of numerical control balance staff milling machine tool working |
| CN106425752A (en) * | 2016-11-10 | 2017-02-22 | 齐齐哈尔孟维机床制造有限公司 | Numerically-controlled pendulum shaft milling-grinding machine tool |
| CN111618735A (en) * | 2020-06-24 | 2020-09-04 | 无锡市艾可密封技术有限公司 | Concave spherical surface grinding machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100512 |