CN106979764B - Positioning device for three-coordinate measuring optical element - Google Patents
Positioning device for three-coordinate measuring optical element Download PDFInfo
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- CN106979764B CN106979764B CN201710240826.9A CN201710240826A CN106979764B CN 106979764 B CN106979764 B CN 106979764B CN 201710240826 A CN201710240826 A CN 201710240826A CN 106979764 B CN106979764 B CN 106979764B
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- 230000003287 optical effect Effects 0.000 title claims abstract description 27
- 238000005259 measurement Methods 0.000 claims abstract description 31
- 238000003466 welding Methods 0.000 claims description 4
- 238000001514 detection method Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 238000005498 polishing Methods 0.000 description 2
- 208000010392 Bone Fractures Diseases 0.000 description 1
- 206010017076 Fracture Diseases 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000013507 mapping Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000013519 translation Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/02—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness
- G01B21/04—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness by measuring coordinates of points
- G01B21/047—Accessories, e.g. for positioning, for tool-setting, for measuring probes
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
The invention discloses a positioning device for three-coordinate measuring optical elements, which belongs to the field of three-coordinate measurement. The positioning device of the technical scheme is more convenient and fast to position, and the difference of detection results caused by uncertainty of operation is avoided; the time for aligning the workpieces through manual operation is saved, continuous measurement without shutdown can be realized in the batch measurement process, and the measurement efficiency is improved.
Description
Technical field
The invention discloses a kind of positioning devices that three-dimensional coordinates measurement is used for optical elements, belong to three-dimensional coordinates measurement field, use
Positioning when three-dimensional coordinates measurement replicated optics element and rectangular aperture optical element.
Background technique
Measuring device of the three coordinate measuring machine as geometric sense, has been widely applied to during optical manufacturing, especially
It is grinding and the rough polishing stage of optical manufacturing, and optical wavelength magnitude has not been reached yet in face shape error, and surface brightness is inadequate,
It is detected under normal conditions with interferometer relatively difficult.Therefore three-dimensional coordinates measurement becomes grinding and rough polishing stage main face shape is examined
Survey means, detection efficiency are usually related to output.While guaranteeing that measurement result is accurate, also need to improve measurement efficiency.
In three-dimensional coordinates measurement operation, since the size geometry of detected element is different, the measurement habit of operator is also different, often
It often will lead to the uncertainty of measurement result, the otherness of testing result.Due to needing manually to each workpiece centering, detection effect
Rate is low, is not able to satisfy quickly requirement of the production to measurement.
Summary of the invention
It is an object of the invention to: a kind of positioning device that three-dimensional coordinates measurement is used for optical elements is provided, as common light
It learns element and is detected a public fixture locating interface of the element on three apparatus of coordinate detecting, it is uncertain to avoid operation
Caused by testing result otherness.
To achieve the goals above, the invention adopts the following technical scheme:
A kind of positioning device that three-dimensional coordinates measurement is used for optical elements, including positioning plate, the first positioning core axle, the second positioning
Mandrel, L shape right angle positioning rule are evenly arranged with several row's threaded holes, first positioning core axle and on the positioning plate
One end of two positioning core axles is provided with external screw thread corresponding with the threaded hole on the positioning plate, L shape right angle positioning rule
Two straight flange intersections on the outside of be fixedly connected with the second positioning core axle with welding manner, first positioning core axle and second determine
Position mandrel has screw thread one end to connect respectively with the threaded hole on the positioning plate.
Further, three-dimensional coordinates measurement as described in the above technical scheme positioning device used for optical elements further includes fixed
Circle of position column；It is provided with eccentric through-hole on the positioning cylinder, passes through the first locating core between the positioning cylinder and positioning plate
Axle thread is connect with the threaded hole on positioning plate.Eccentric through-hole can also be arranged in the radial direction of positioning cylinder it is multiple,
Locking device can also be set between the positioning cylinder and positioning plate, and positioning cylinder rotates when workpiece being prevented to be close to；
Locking device can be the concave-convex corresponding gear pair that can be mutually twisted being arranged on positioning cylinder and positioning plate contact surface.
Further, eccentric through-hole as described in the above technical scheme is located at the edge of positioning cylinder.
Further, it is provided on the end face of not threaded one end on the first positioning core axle as described in the above technical scheme
Perhaps cruciform groove can be clamped or be dismantled to it with screwdriver "-" type.
Further, L shape as described in the above technical scheme right angle positioning rule opening direction is backwards to first locating core
Axis.
Further, L shape as described in the above technical scheme right angle positioning rule wherein a straight flange and the first positioning core axle
Side wall is tangent.
Compared with prior art, the present invention its remarkable advantage::
The technical program is using rotatable L shape right angle positioning rule, the positioning cylinder with eccentric orfice, positioning core axle combination
At the positioning device for three-dimensional coordinates measurement optical element, it is suitable for various sizes of cylindrical optical element and different rulers
The positioning of very little rectangular optical component.The positioning device structure is simple, and processing cost is low, and measured workpiece can be directly placed at positioning
It on bottom plate and is close to corresponding positioning device and can start measurement, avoid the difference of testing result caused by the uncertainty of operation
It is anisotropic；The time for having saved manual operation centering workpiece can be achieved not shutting down continuous measurement during measure batch, improve
Measurement efficiency.
Detailed description of the invention
Fig. 1 is the schematic diagram for the positioning device that three-dimensional coordinates measurement is used for optical elements in embodiment one；
Fig. 2 is the schematic diagram of positioning cylinder structure；
Fig. 3 is the structural schematic diagram of the second positioning core axle；
Fig. 4 is the structural schematic diagram of the welding assembly of L shape right angle positioning rule and the second positioning core axle；
Fig. 5 is that sample element positions top view in embodiment two；
Fig. 6 is that sample element positions oblique view in embodiment two；
Fig. 7 is that sample element positions top view in embodiment three；
Fig. 8 is that sample element positions oblique view in embodiment three；
Fig. 9 is that sample element positions top view in example IV；
Figure 10 is that sample element positions oblique view in example IV；
Figure 11 is the second positioning core axle with "-" type groove；
Wherein: 1. positioning plates；2. positioning cylinder；21. eccentric through-hole；3. the first positioning core axle；31. the second locating core
Axis；4.L shape right angle positioning rule；5. first element sample；6. second element sample；7. rectangular optical component sample；8. "-" type
Groove.
Specific embodiment
Technical solution of the present invention is described further with reference to the accompanying drawings and embodiments.
Embodiment one: a kind of positioning device used for optical elements of three-dimensional coordinates measurement as shown in figures 1-4, including positioning bottom
Plate 1, positioning cylinder 2, the first positioning core axle 3, the second positioning core axle 31, L shape right angle positioning rule 4 are uniformly arranged on positioning plate 1
Have several row's threaded holes 11, one end of the first positioning core axle 3 and the second positioning core axle 31 be provided with on the positioning plate 1
The corresponding external screw thread of threaded hole 11, two straight flange intersections outside and the second positioning core axle 31 of L shape right angle positioning rule 4 are used
Welding manner is fixedly connected, the first positioning core axle 3 and the second positioning core axle 31 have screw thread one end respectively with the spiral shell on positioning plate 1
Pit connection；It is provided with eccentric through-hole 21 on the positioning cylinder 2, passes through the first positioning between positioning cylinder 2 and positioning plate 1
The screw thread of mandrel 3 is connect with the threaded hole 11 on positioning plate 1.
Embodiment two: as shown in Fig. 5~6, it is greater than the spacing of two positioning core axles to diameter with the positioning device of embodiment one
From replicated optics first element sample 5 position.Rotation L shape right angle positioning rule 4 makes its opening direction backwards to the first locating core
Axis 3, by the rotation of positioning cylinder 2 to backwards to the second positioning core axle 31.First element sample 5 is close to the first positioning core axle 3 and
Two positioning core axles 31 can be completed to X, Y, Z translational degree of freedom of first element sample 5 and determine around X, Y-axis rotational freedom
Position.Since 5 self structure of first element sample has rotational symmetry, it is not usually required to consider about the z axis in three-dimensional coordinates measurement
Rotary freedom；If necessary to position simultaneously to Z axis rotary freedom, first element sample 5 can be close to the first positioning
Mandrel 3 and the second positioning core axle 31, while a line of L shape right angle positioning rule 4 being rotated to tangent with first element sample 5,
It, can be complete to first element respectively on 5 side wall of first element sample and positioning rule 4 tangency location in L shape right angle portrays label
The complete positioning of 5 six-freedom degree of sample；If next time, which also needs to measure the workpiece only, to be needed first to be close to the first, second locating core
Then axis rotates first element sample 5, is overlapped the label on workpiece with the label in L shape right angle positioning rule 4.In order to
It avoids positioning core axle and side wall glass hard collision when being close to positioning and may cause partial fracture risk, above-mentioned all parts
Plastic material can be used to be made, such as polytetrafluoroethylplastic plastic.
Embodiment three: as shown in Fig. 7~8, with the device of embodiment one to diameter less than distance between two positioning core axles
The second element sample 6 of replicated optics positions.Since 6 diameter of second element sample is less than the distance between two positioning core axles institute
To need to complete to position by positioning cylinder 2.Rotational positioning cylinder 2 is greater than the minimum range of itself and the second positioning core axle 31
Then positioning cylinder 2 is fixed on positioning plate 1 by the diameter of second element sample 6 using the first positioning core axle 3；By second
It is free that element sample 6 is close to X, Y, Z translation that positioning cylinder 2 and the second positioning core axle 31 can be completed to second element sample 6
Degree and around X, Y-axis rotational freedom positioning.Since 6 self structure of second element sample has rotational symmetry, sat three
It is not usually required to consider rotary freedom about the z axis when mapping amount；It, can be with if necessary to be positioned simultaneously to Z axis rotary freedom
Second element sample 6 is close to positioning cylinder 2 and the second positioning core axle 31, while a line of L shape right angle positioning rule 4 being rotated
To tangent with second element sample 6, respectively on 6 side wall of second element sample and positioning rule 4 tangency location in L shape right angle is portrayed
Label, can the complete complete positioning to 6 six-freedom degree of second element sample；If also need to measure next time the workpiece only need to first by
Workpiece is close to positioning cylinder 2, the second positioning core axle 31, then rotates second element sample 6, keeps label on workpiece and L shape straight
Label in angle positioning rule 4 is overlapped.
Example IV: as shown in Fig. 9~10, positioning with the positioning device of embodiment one to rectangular optical component 7, rotation
It is tangent with 3 side wall of the first positioning core axle that L shape right angle positioning rule 4 makes one straight flange, and two sides of rectangular optical component 7 are leaned on
Two straight flanges of tight L shape right angle positioning rule 4 can be completed at the same time the positioning of six-freedom degree.Directly will only it be needed when measurement next time
Two right-angle sides of rectangular optical component 7, which are close to L shape right angle positioning rule 4, can be completed positioning.
Embodiment five: three-dimensional coordinates measurement on the basis of embodiment one positioning device used for optical elements, first positioning
"-" type groove 8 or cruciform groove are provided on the end face of not threaded one end on mandrel 3.It in this way can be with screwdriver to it
It clamps or dismantles；End face setting is "-" type groove 8 on first positioning core axle shown in Figure 11.
Claims (4)
1. a kind of positioning device that three-dimensional coordinates measurement is used for optical elements, including positioning plate (1), the first positioning core axle (3), second
Positioning core axle (31), L shape right angle positioning rule (4), it is characterised in that: be evenly arranged with several row's spiral shells on the positioning plate (1)
Pit (11), one end of first positioning core axle (3) and the second positioning core axle (31) be provided with on the positioning plate (1)
The corresponding external screw thread of threaded hole (11), on the outside of two straight flange intersections of L shape right angle positioning rule (4) with the second locating core
Axis (31) is fixedly connected with welding manner, and there are screw thread one end difference in first positioning core axle (3) and the second positioning core axle (31)
It is connect with the threaded hole on the positioning plate (1)；
When for positioning replicated optics element, L shape right angle positioning rule (4) opening direction is backwards to first positioning core axle
(3)；Replicated optics element is close to the first positioning core axle and the second positioning core axle, a line and revolution light of L shape right angle positioning rule
It is tangent to learn element sample；
When for locating rectangle optical element, L shape right angle positioning rule one straight flange and the first positioning core axle side wall are tangent,
Two sides of rectangular optical component are close to two straight flanges of L shape right angle positioning rule.
2. three-dimensional coordinates measurement according to claim 1 positioning device used for optical elements, which is characterized in that it further includes fixed
Circle of position column (2) is provided with eccentric through-hole (21) on the positioning cylinder (2), the positioning cylinder (2) and positioning plate (1) it
Between connect with the threaded hole (11) on positioning plate (1) by the first positioning core axle (3) screw thread；Eccentric through-hole is in positioning cylinder
Radial direction is arranged to multiple, and locking device is arranged between the positioning cylinder and positioning plate；Locking device is positioning cylinder
The gear pair being mutually twisted corresponding with the bumps being arranged on positioning plate contact surface.
3. three-dimensional coordinates measurement according to claim 2 positioning device used for optical elements, which is characterized in that described eccentric logical
Hole (21) is located at the edge of positioning cylinder (2).
4. three-dimensional coordinates measurement according to claim 2 positioning device used for optical elements, which is characterized in that described first is fixed
"-" type or cruciform groove are provided on the end face of not threaded one end on position mandrel (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710240826.9A CN106979764B (en) | 2017-04-13 | 2017-04-13 | Positioning device for three-coordinate measuring optical element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710240826.9A CN106979764B (en) | 2017-04-13 | 2017-04-13 | Positioning device for three-coordinate measuring optical element |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106979764A CN106979764A (en) | 2017-07-25 |
| CN106979764B true CN106979764B (en) | 2019-07-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710240826.9A Active CN106979764B (en) | 2017-04-13 | 2017-04-13 | Positioning device for three-coordinate measuring optical element |
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000009406A (en) * | 1998-06-23 | 2000-01-14 | Mitsutoyo Corp | Measuring machine |
| CN201677264U (en) * | 2010-02-10 | 2010-12-22 | 王红波 | Three-coordinate universal jig |
| CN202329586U (en) * | 2011-11-10 | 2012-07-11 | 西安航空动力股份有限公司 | Tool for aligning and positioning cross for three-dimensional measuring machine |
| CN204788294U (en) * | 2015-07-02 | 2015-11-18 | 昆山美和机械有限公司 | Spare part three -dimensional automatic measure benchmark positioner |
| CN205271708U (en) * | 2015-11-19 | 2016-06-01 | 沈阳黎明航空发动机(集团)有限责任公司 | Free positioning fixture in plane |
| CN205438290U (en) * | 2015-12-17 | 2016-08-10 | 上海良基博方汽车发动机零部件制造股份有限公司 | A novel supplementary anchor clamps for three -coordinates measuring |
| CN205880675U (en) * | 2016-06-15 | 2017-01-11 | 苏州市新鸿基精密部品有限公司 | Three -coordinate measuring machine part measuring uses quick aligning device |
| CN205957886U (en) * | 2016-08-30 | 2017-02-15 | 中航工业哈尔滨轴承有限公司 | Anchor clamps are measured to two half inner circle angular contact ball bearing inner circle offsets |
| CN206648626U (en) * | 2017-04-13 | 2017-11-17 | 苏州大学 | Positioning fixture for three-coordinate measurement in optical machining process |
-
2017
- 2017-04-13 CN CN201710240826.9A patent/CN106979764B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000009406A (en) * | 1998-06-23 | 2000-01-14 | Mitsutoyo Corp | Measuring machine |
| CN201677264U (en) * | 2010-02-10 | 2010-12-22 | 王红波 | Three-coordinate universal jig |
| CN202329586U (en) * | 2011-11-10 | 2012-07-11 | 西安航空动力股份有限公司 | Tool for aligning and positioning cross for three-dimensional measuring machine |
| CN204788294U (en) * | 2015-07-02 | 2015-11-18 | 昆山美和机械有限公司 | Spare part three -dimensional automatic measure benchmark positioner |
| CN205271708U (en) * | 2015-11-19 | 2016-06-01 | 沈阳黎明航空发动机(集团)有限责任公司 | Free positioning fixture in plane |
| CN205438290U (en) * | 2015-12-17 | 2016-08-10 | 上海良基博方汽车发动机零部件制造股份有限公司 | A novel supplementary anchor clamps for three -coordinates measuring |
| CN205880675U (en) * | 2016-06-15 | 2017-01-11 | 苏州市新鸿基精密部品有限公司 | Three -coordinate measuring machine part measuring uses quick aligning device |
| CN205957886U (en) * | 2016-08-30 | 2017-02-15 | 中航工业哈尔滨轴承有限公司 | Anchor clamps are measured to two half inner circle angular contact ball bearing inner circle offsets |
| CN206648626U (en) * | 2017-04-13 | 2017-11-17 | 苏州大学 | Positioning fixture for three-coordinate measurement in optical machining process |
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| Publication number | Publication date |
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| CN106979764A (en) | 2017-07-25 |
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Effective date of registration: 20200716 Address after: Room 203, Building 23, 1188, Second Ring Road, Shengze Town, Wujiang District, Suzhou City, Jiangsu Province Patentee after: Suzhou Chuansen Hengqi Ecological Technology Co.,Ltd. Address before: 215000 room 1210, building 1, Fenghua Commercial Plaza, Mudu Town, Wuzhong District, Suzhou City, Jiangsu Province Patentee before: Suzhou Bingchen Intellectual Property Operation Co.,Ltd. Effective date of registration: 20200716 Address after: 215000 room 1210, building 1, Fenghua Commercial Plaza, Mudu Town, Wuzhong District, Suzhou City, Jiangsu Province Patentee after: Suzhou Bingchen Intellectual Property Operation Co.,Ltd. Address before: 215000 Suzhou Industrial Park, Jiangsu Road, No. 199 Patentee before: SOOCHOW University |