CN111077623A - Structure for quickly adjusting coaxiality of group frames - Google Patents
Structure for quickly adjusting coaxiality of group frames Download PDFInfo
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- CN111077623A CN111077623A CN201911389637.3A CN201911389637A CN111077623A CN 111077623 A CN111077623 A CN 111077623A CN 201911389637 A CN201911389637 A CN 201911389637A CN 111077623 A CN111077623 A CN 111077623A
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- group frame
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- 230000003287 optical effect Effects 0.000 abstract description 16
- 238000004519 manufacturing process Methods 0.000 description 12
- 230000007547 defect Effects 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 6
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 4
- 235000017491 Bambusa tulda Nutrition 0.000 description 4
- 241001330002 Bambuseae Species 0.000 description 4
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 4
- 239000011425 bamboo Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/003—Alignment of optical elements
- G02B7/004—Manual alignment, e.g. micromanipulators
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Lens Barrels (AREA)
Abstract
本发明公开了一种快速调节群框同轴度的结构，包括固定筒，固定筒内设置有筒腔，筒腔内放置有群框，群框上设有至少三个沿圆周方向分布的孔腔，孔腔内穿设有将群框连接在固定筒上的螺丝，螺丝套设有将群框顶靠在固定筒上的弹簧，群框还设置有用于放置镜片的群框腔，螺丝锁附在固定筒上后弹簧受挤压形变而使群框与筒腔的承靠面贴平，孔腔与螺丝之间保留间隙，一方面群框受到弹簧的弹力作用紧贴在固定筒上，另一方面群框不至于被锁死而无法移动，在调节群框与固定筒的同轴度时可以沿群框的径向方向推着群框移动，使群框的中轴线与固定筒的中轴线尽量重合，实现快速调节群框的同轴度，操作便利，实现光学日益提升的规格要求以及光学设计性能。
The invention discloses a structure for quickly adjusting the coaxiality of a group frame, comprising a fixed cylinder, a cylinder cavity is arranged in the fixed cylinder, a group frame is placed in the cylinder cavity, at least three holes distributed along the circumferential direction are arranged on the group frame, screws for connecting the group frame to the fixed cylinder are penetrated in the holes, springs are arranged on the screw sleeves for pressing the group frame against the fixed cylinder, and the group frame is also provided with a group frame cavity for placing lenses. After the screw is locked on the fixed cylinder, the spring is squeezed and deformed so that the group frame and the supporting surface of the cylinder cavity are flushed, and a gap is reserved between the hole cavity and the screw. On the one hand, the group frame is tightly attached to the fixed cylinder by the elastic force of the spring, and on the other hand, the group frame is not locked and cannot move. When adjusting the coaxiality of the group frame and the fixed cylinder, the group frame can be pushed to move along the radial direction of the group frame so that the central axis of the group frame and the central axis of the fixed cylinder are overlapped as much as possible, so as to realize the quick adjustment of the coaxiality of the group frame, facilitate the operation, and realize the increasingly improved optical specification requirements and optical design performance.
Description
[ technical field ]
The invention relates to a structure for quickly adjusting the coaxiality of a group frame.
[ background art ]
With the rapid development of high and new technologies, the security optical zoom lens is widely applied. In order to meet the market demand, more and more lenses use large chips with high resolution, and zoom lenses are applied to different environments in different fields, so that the design difficulty of the lenses is higher and higher, the technical requirements of each group are higher and higher, and the requirements on product molding, process manufacturing and the like are also higher and higher.
The coaxiality deviation of the group frame and the fixed cylinder is one of the most main factors influencing the performance of the optical lens, the coaxiality refers to the degree that the central axis of the group frame is consistent with the central axis of the fixed cylinder, if the coaxiality is high, the optical performance of the lens is good, and if the coaxiality is low, the optical performance is poor.
In the existing production and manufacturing technology, the group frame is clamped by a manipulator, the group frame is pressed on the front surface of the manipulator to be abutted against a fixed cylinder, meanwhile, the manipulator applies radial acting force to the group frame to enable the central axis of the group frame to be coaxial with the central axis of the fixed cylinder as much as possible, and after the coaxiality of the group frame and the fixed cylinder is adjusted, the group frame is fixed on the fixed cylinder in a gluing or screw connection mode and the like. However, the existing production and manufacturing technology has the following problems and disadvantages: the device structure of adjusting the frame axiality of crowd is complicated, and the adjustment process technology is complicated, and manufacturing cost is high, has the restriction to the multiplying power of adjusting the frame axiality of crowd moreover, and if the light angle is big, the tool can't avoid, has the risk of vignetting, influences product quality.
The present invention has been made in view of the above problems.
[ summary of the invention ]
The invention aims to provide a structure for quickly adjusting the coaxiality of a group frame, which aims to overcome the defects of the prior art, and the structure enables the group frame to be abutted against a fixed cylinder through a spring between the group frame and a screw, so that the group frame is tightly attached to the fixed cylinder under the action of the elastic force of the spring on one hand, and the group frame cannot be locked and cannot move on the other hand, therefore, when the coaxiality of the group frame and the fixed cylinder is adjusted, the group frame can be pushed to move along the radial direction of the group frame, the central axis of the group frame is overlapped with the central axis of the fixed cylinder as much as possible, and the coaxiality of the group frame and the fixed cylinder is quickly adjusted.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows:
the utility model provides a structure of quick adjustment crowd's frame axiality which characterized in that includes a fixed section of thick bamboo 1, be provided with a barrel cavity 11 in the fixed section of thick bamboo 1, crowd's frame 2 has been placed in the barrel cavity 11, be equipped with at least three vestibule 21 that distributes along the circumferencial direction on the crowd's frame 2, wear to be equipped with in the vestibule 21 and connect crowd's frame 2 screw 4 on fixed section of thick bamboo 1, screw 4 covers and is equipped with the spring 3 that leans on crowd's frame 2 top on fixed section of thick bamboo 1, still be provided with the crowd's frame chamber 22 that is used for placing the lens in.
The structure of quick adjustment crowd frame axiality as above, its characterized in that screw 4 is including preceding screw body 41, back screw body 42, screw cap 43, the diameter of screw cap 43 is greater than the diameter of back screw body 42, the diameter of back screw body 42 is greater than the diameter of preceding screw body 41.
The structure for rapidly adjusting the coaxiality of the group frames is characterized in that the bore 21 comprises a front bore 211 and a rear bore 212 communicated with the front bore 211, the diameter of the front bore 211 is larger than that of the rear screw body 42, and the diameter of the rear bore 212 is larger than that of the front bore 211.
The structure for quickly adjusting the coaxiality of the group frame is characterized in that the fixed cylinder 1 is provided with a screw hole 12 matched with the front screw rod body 41, the screw 4 is sleeved with the spring 3 and then penetrates through the hole cavity 21 to be screwed into the screw hole 12, and the spring 3 is extruded and deformed by the screw 4 to prop the group frame 2 against the fixed cylinder 1.
The structure for rapidly adjusting the coaxiality of the group frame is characterized in that the group frame 2 is provided with three pore cavities 21 which are uniformly distributed along the circumferential direction, and the group frame 2 abuts against the fixed cylinder 1 through three screws 4 and three springs 3.
The invention has the beneficial effects that:
1. the group frame is tightly attached to the fixed cylinder under the action of the elastic force of the spring, so that the group frame cannot be locked and cannot move, the manipulator device does not need to press the group frame from the front side, the central axis of the group frame can be coincided with the central axis of the fixed cylinder only by moving the group frame in the radial direction, the coaxiality of the mirror frame can be quickly adjusted, and the operation is flexible and simple;
2. the invention has simple structure, convenient operation and little time consumption, can greatly improve the production yield of the machine, improve the productivity and avoid the defects of high cost and complex operation brought by the prior manipulator device and image recognition operation;
3. the manipulator device for adjusting the group frame coaxiality has a simple structure, greatly simplifies the adjusting process, and greatly reduces the production cost and the manufacturing procedure;
4. the invention avoids the defects of tolerance inclination accumulated by a plurality of groups of frames, being far away from an optical design value and being difficult to realize an optical design target;
5. the moving direction of the group frame coaxiality adjusted by the mechanical hand device is only the radial direction of the group frame, and the mechanical hand device does not need to press the group frame along the front surface of the optical axis direction any more, so that a jig cannot be avoided due to large light angle, and the application range of the group frame coaxiality adjusting device is wider;
6. the invention has no requirement on the multiplying power for adjusting the coaxiality of the group frame, indirectly reduces the difficulty of optical design, simplifies the structure and reduces the cost;
7. the invention can realize the increasingly-improved specification requirement of optics and the optical design performance, and make up the defects of the prior production and product technology;
8. the group frame coaxiality adjustment of the invention can assist in improving the difficulty of optical design, concentrates sensitive items on one design and finally improves the overall performance of product design.
[ description of the drawings ]
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a plan view of the cluster frame attached to the fixed cylinder;
FIG. 3 is a cross-sectional view of FIG. 2;
FIG. 4 is an exploded view of FIG. 3;
fig. 5 is a plan view of the group frame.
[ detailed description of the invention ]
The following is a more detailed description of embodiments of the invention, taken in conjunction with the accompanying drawings of which:
as shown in fig. 1-5, a structure for rapidly adjusting the coaxiality of a group frame includes a fixed cylinder 1, a cylinder cavity 11 is provided in the fixed cylinder 1, a group frame 2 is placed in the cylinder cavity 11, at least three hole cavities 21 distributed along the circumferential direction are provided on the group frame 2, a screw 4 for connecting the group frame 2 to the fixed cylinder 1 is inserted in the hole cavity 21, a spring 3 for abutting the group frame 2 against the fixed cylinder 1 is sleeved on the screw 4, and a group frame cavity 22 for placing a lens is further provided in the group frame 2. After the screw 4 is locked on the fixed cylinder 1, the spring 3 is extruded and deformed by the screw 4 to enable the bearing surfaces of the group frame 2 and the cylinder cavity 11 to be flat, a gap is reserved between the cavity 21 and the screw 4, on one hand, the group frame 2 is tightly attached to the fixed cylinder 1 under the action of the elastic force of the spring 3, on the other hand, the group frame 2 cannot be locked and cannot move, therefore, when the coaxiality of the group frame 2 and the fixed cylinder 1 is adjusted, the group frame 2 can be pushed to move along the radial direction of the group frame 2, the central axis of the group frame 2 is overlapped with the central axis of the fixed cylinder 1 as much as possible, the coaxiality of the group frame 2 and the fixed cylinder 1 is adjusted rapidly, the operation is convenient, the specification requirements of increasing optics and the optical design performance are met, and the defects of the existing production and product technology are. Because the movement direction of adjusting the coaxiality of the group frame 2 is only the radial direction of the group frame 2, the manipulator device does not need to press the group frame 2 from the front surface, so that the jig can be avoided when the light angle is large, and the application range of adjusting the coaxiality of the group frame 2 is wider.
As shown in fig. 3-4, the screw 4 includes a front screw body 41, a rear screw body 42, and a screw cap 43, wherein the diameter of the screw cap 43 is larger than the diameter of the rear screw body 42, and the diameter of the rear screw body 42 is larger than the diameter of the front screw body 41. The screw 4 is fixed on the fixed cylinder 1 after passing through the hole cavity 21, so that the group frame 2 is connected on the fixed cylinder 1.
As shown in fig. 3-4, the bore 21 includes a front bore 211 and a rear bore 212 communicating with the front bore 211, the front bore 211 having a diameter larger than the rear screw body 42, and the rear bore 212 having a diameter larger than the front bore 211.
As shown in fig. 3-4, the fixing cylinder 1 is provided with a screw hole 12 matching with the front screw rod body 41, the screw 4 is sleeved with the spring 3 and then passes through the hole cavity 21 to be screwed into the screw hole 12, the front screw body 41 is completely screwed into the screw hole 12 to enable the rear screw body 42 to be abutted against the fixed cylinder 1, a gap is reserved between the rear screw body 42 and the hole cavity 21, the spring 3 is positioned in the gap between the rear screw body 42 and the rear hole cavity 212, the spring 3 is pressed by the screw 4 to deform and then pushes the group frame 2 against the fixed cylinder 1, on one hand, the group frame 2 is tightly attached to the fixed cylinder 1 under the action of the elastic force of the spring 3, on the other hand, the group frame 2 is not locked and can not move, when the coaxiality of the group frame 2 and the fixed cylinder 1 is adjusted, the group frame 2 can be pushed to move along the radial direction of the group frame 2, so that the central axis of the group frame 2 and the central axis of the fixed cylinder 1 are superposed as much as possible, and the coaxiality of the group frame 2 can be quickly adjusted. Meanwhile, for the coaxiality adjustment of the multiple groups of frames, the coaxiality of each group of frames and the fixed cylinder 1 can be adjusted in sequence, and the defects that the tolerance inclination accumulated by the multiple groups of frames is far away from an optical design value and the optical design target is difficult to achieve are overcome. The novel structure has no requirement on the multiplying power for adjusting the coaxiality of the group frame 2, indirectly reduces the difficulty of optical design, and simplifies the structure.
As shown in fig. 2-5, three holes 21 are uniformly distributed along the circumferential direction on the group frame 2, and the group frame 2 is abutted against the fixed cylinder 1 through three screws 4 and three springs 3. The group frame 2 is suppressed by the three springs 3, so that the group frame 2 is kept flatly attached to the bearing surface of the barrel cavity 11 when the manipulator device moves the group frame 2, the group frame 2 is not inclined, the operation is simple and convenient, the consumed time is short, the production yield of the elevator can be greatly improved, and the productivity is improved.
Claims (5)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911389637.3A CN111077623A (en) | 2019-12-30 | 2019-12-30 | Structure for quickly adjusting coaxiality of group frames |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911389637.3A CN111077623A (en) | 2019-12-30 | 2019-12-30 | Structure for quickly adjusting coaxiality of group frames |
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| Publication Number | Publication Date |
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| CN111077623A true CN111077623A (en) | 2020-04-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911389637.3A Pending CN111077623A (en) | 2019-12-30 | 2019-12-30 | Structure for quickly adjusting coaxiality of group frames |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113296215A (en) * | 2021-05-25 | 2021-08-24 | 嘉兴中润光学科技股份有限公司 | High-definition lens |
| CN113311555A (en) * | 2021-05-25 | 2021-08-27 | 嘉兴中润光学科技股份有限公司 | High-definition lens, adjusting jig, testing system and testing method |
Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07120700A (en) * | 1993-10-26 | 1995-05-12 | Mitsubishi Electric Corp | Projector projection device |
| US20040021959A1 (en) * | 2002-07-26 | 2004-02-05 | Samsung Electronics Co., Ltd. | Projection lens apparatus for a projector and method of assembling same |
| CN1513668A (en) * | 2003-06-28 | 2004-07-21 | 项建龙 | Light splitting method for realizing Multipath output on laser phototypographic composing machine and its system |
| JP2005164620A (en) * | 2003-11-28 | 2005-06-23 | Ricoh Co Ltd | Lens barrel and optical device |
| CN2784954Y (en) * | 2005-04-04 | 2006-05-31 | 天瀚科技股份有限公司 | Lens locking structure |
| CN202057875U (en) * | 2011-03-17 | 2011-11-30 | 华中科技大学 | Mirror adjusting device of fast axial flow gas laser |
| US20120038993A1 (en) * | 2010-08-13 | 2012-02-16 | Fujifilm Corporation | Lens barrel having an eccentricity adjusting mechanism |
| CN102621652A (en) * | 2012-03-30 | 2012-08-01 | 北京国科世纪激光技术有限公司 | Two-dimensional angle-adjustable mirror bracket |
| US20160018620A1 (en) * | 2014-07-15 | 2016-01-21 | Jenoptik Optical Systems Gmbh | Lens Mount with Intermediate Ring |
| CN105954858A (en) * | 2016-06-29 | 2016-09-21 | 西安中科微精光子制造科技有限公司 | Three-DF (degree of freedom) adjustable reflector device |
| CN205608269U (en) * | 2016-01-27 | 2016-09-28 | 深圳市光峰光电技术有限公司 | Lens module and optical device |
| CN206788527U (en) * | 2015-10-26 | 2017-12-22 | Hoya株式会社 | Imaging device |
| CN206990878U (en) * | 2017-06-29 | 2018-02-09 | 上海嘉强自动化技术有限公司 | A kind of multiple light courcess light combination mirror module |
| WO2019022104A1 (en) * | 2017-07-27 | 2019-01-31 | 日本電産コパル株式会社 | Imaging device |
| CN211718593U (en) * | 2019-12-30 | 2020-10-20 | 中山联合光电科技股份有限公司 | Structure for quickly adjusting coaxiality of group frames |
-
2019
- 2019-12-30 CN CN201911389637.3A patent/CN111077623A/en active Pending
Patent Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07120700A (en) * | 1993-10-26 | 1995-05-12 | Mitsubishi Electric Corp | Projector projection device |
| US20040021959A1 (en) * | 2002-07-26 | 2004-02-05 | Samsung Electronics Co., Ltd. | Projection lens apparatus for a projector and method of assembling same |
| CN1513668A (en) * | 2003-06-28 | 2004-07-21 | 项建龙 | Light splitting method for realizing Multipath output on laser phototypographic composing machine and its system |
| JP2005164620A (en) * | 2003-11-28 | 2005-06-23 | Ricoh Co Ltd | Lens barrel and optical device |
| CN2784954Y (en) * | 2005-04-04 | 2006-05-31 | 天瀚科技股份有限公司 | Lens locking structure |
| US20120038993A1 (en) * | 2010-08-13 | 2012-02-16 | Fujifilm Corporation | Lens barrel having an eccentricity adjusting mechanism |
| CN202057875U (en) * | 2011-03-17 | 2011-11-30 | 华中科技大学 | Mirror adjusting device of fast axial flow gas laser |
| CN102621652A (en) * | 2012-03-30 | 2012-08-01 | 北京国科世纪激光技术有限公司 | Two-dimensional angle-adjustable mirror bracket |
| US20160018620A1 (en) * | 2014-07-15 | 2016-01-21 | Jenoptik Optical Systems Gmbh | Lens Mount with Intermediate Ring |
| CN206788527U (en) * | 2015-10-26 | 2017-12-22 | Hoya株式会社 | Imaging device |
| CN205608269U (en) * | 2016-01-27 | 2016-09-28 | 深圳市光峰光电技术有限公司 | Lens module and optical device |
| CN105954858A (en) * | 2016-06-29 | 2016-09-21 | 西安中科微精光子制造科技有限公司 | Three-DF (degree of freedom) adjustable reflector device |
| CN206990878U (en) * | 2017-06-29 | 2018-02-09 | 上海嘉强自动化技术有限公司 | A kind of multiple light courcess light combination mirror module |
| WO2019022104A1 (en) * | 2017-07-27 | 2019-01-31 | 日本電産コパル株式会社 | Imaging device |
| CN211718593U (en) * | 2019-12-30 | 2020-10-20 | 中山联合光电科技股份有限公司 | Structure for quickly adjusting coaxiality of group frames |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113296215A (en) * | 2021-05-25 | 2021-08-24 | 嘉兴中润光学科技股份有限公司 | High-definition lens |
| CN113311555A (en) * | 2021-05-25 | 2021-08-27 | 嘉兴中润光学科技股份有限公司 | High-definition lens, adjusting jig, testing system and testing method |
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