CN112697078B - Lens surface flatness detection device - Google Patents
Lens surface flatness detection device Download PDFInfo
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- CN112697078B CN112697078B CN202110217369.8A CN202110217369A CN112697078B CN 112697078 B CN112697078 B CN 112697078B CN 202110217369 A CN202110217369 A CN 202110217369A CN 112697078 B CN112697078 B CN 112697078B
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- base
- sleeve
- lens
- adjusting mechanism
- bearing seat
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/30—Measuring arrangements characterised by the use of optical techniques for measuring roughness or irregularity of surfaces
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Lens Barrels (AREA)
Abstract
The invention relates to a lens surface flatness detection device, which comprises a base and a bearing seat arranged on the base, wherein an installation part for clamping and placing a lens is rotatably arranged on the bearing seat, the bearing seat is also connected with a rotation adjusting mechanism arranged on the base, and the rotation adjusting mechanism drives the bearing seat to rotate so as to change the placing position of the lens; an imaging plate is arranged on the base at a position on one side of the bearing seat and is connected with a horizontal adjusting mechanism arranged on the base, and the horizontal adjusting mechanism changes the distance between the imaging plate and the mounting piece; the base is provided with a plurality of beam emitters that are circumference setting and level and place in the position department of accepting the seat opposite side, beam emitters with install receive and release adjustment mechanism on the base and be connected, it is a plurality of to receive and release adjustment mechanism drive beam emitters outwards spread or gather together each other.
Description
Technical Field
The invention relates to detection equipment, in particular to a lens surface flatness detection device.
Background
The lens is an optical element which is made of transparent materials and has a part of spherical surface, and the lens consists of a plurality of lenses, namely a plastic lens (plastic) and a glass lens (glass), wherein the glass lens is more expensive than the plastic lens. A lens barrel for a general camera is configured with: 1P, 2P, 1G1P, 1G2P, 2G2P, 4G, etc., the more lenses, the higher the cost. Therefore, a camera with good quality is to adopt a glass lens, has better imaging effect than a plastic lens, and plays an important role in the fields of astronomy, military, traffic, medicine, art and the like.
The convex lens belongs to a lens, the flatness of the surface of the convex lens is a decisive factor of the precision of the convex lens in use, but no good device for detecting the flatness of the convex lens exists at present.
Disclosure of Invention
The present invention is directed to a lens surface flatness detecting apparatus to solve the above problems in the prior art.
In order to achieve the purpose, the invention provides the following technical scheme:
a lens surface flatness detection device comprises a base and a bearing seat arranged on the base, wherein an installation part for clamping and placing a lens is rotatably arranged on the bearing seat, the bearing seat is also connected with a rotation adjusting mechanism arranged on the base, and the rotation adjusting mechanism drives the bearing seat to rotate so as to change the placing position of the lens;
an imaging plate is arranged on the base at a position on one side of the bearing seat and is connected with a horizontal adjusting mechanism arranged on the base, and the horizontal adjusting mechanism changes the distance between the imaging plate and the mounting piece;
the light beam emitter that is a plurality of circumference settings and level and places is provided with in the position department that is located on the base accept the seat opposite side, light beam emitter with install receive and release adjustment mechanism on the base is connected, it is a plurality of to receive and release adjustment mechanism drive light beam emitter outdiffusion or gather together each other, in order to change the light that light beam emitter sent is in carry out the position change on the lens.
As a further scheme of the invention: the bearing seat is clamped on two sides of the mounting part, an arc-shaped sliding block is arranged on the bearing seat, and the arc-shaped sliding block is in sliding fit with an annular sliding groove formed in the mounting part.
As a still further scheme of the invention: the rotation adjusting mechanism comprises an annular tooth arranged on the outer side of the mounting part, the annular tooth is rotatably mounted on the bearing seat and meshed with a driving gear on the bearing seat, and a rotating shaft of the driving gear is fixedly connected with an output shaft of a second motor mounted on the bearing seat.
As a still further scheme of the invention: horizontal adjustment mechanism is including rotating to be installed first threaded rod and threaded connection on the base on the first threaded rod and with formation of image board fixed connection's first thread bush, first thread bush is through installing guide assembly on the base with base sliding fit, the one end of first threaded rod still is fixed with the adjusting disk.
As a still further scheme of the invention: the guide assembly comprises a guide rod fixed on the base and a guide sleeve sleeved on the guide rod and fixedly connected with the first threaded sleeve.
As a still further scheme of the invention: the retraction adjusting mechanism comprises a support fixed on the base and a bearing sleeve fixed on the support, the light beam transmitter is hinged on the bearing sleeve through two connecting rods which are parallel to each other and is connected with a thread adjusting assembly arranged on the bearing sleeve, and the thread adjusting assembly is driven to move by a driving assembly arranged on the support.
As a still further scheme of the invention: the screw thread adjusting component comprises a second threaded rod which is rotatably installed in the bearing sleeve and a second threaded sleeve which is in threaded connection with the second threaded rod, the second threaded sleeve is sleeved with the second threaded sleeve, a sliding sleeve on the bearing sleeve is fixed through a connecting block which penetrates through the bearing sleeve, and the sliding sleeve is hinged to the light beam emitter through a push rod hinged to the sliding sleeve.
As a still further scheme of the invention: the drive assembly comprises a worm wheel rotatably mounted on the support and a worm meshed with the worm wheel, a rotating shaft of the worm wheel is rotatably connected with the second threaded rod through a bevel gear set, and the worm is fixedly connected with an output shaft of a first motor mounted on the support.
Compared with the prior art, the invention has the beneficial effects that: the invention has novel design, horizontal light rays emitted by a plurality of light beam emitters penetrate through the lens on the mounting part, then the light rays form images on the imaging plate, when the convex lens is flat in mirror surface, the horizontal light rays penetrate through a converging point, the position of the imaging plate is adjusted by the arranged horizontal adjusting mechanism, the arranged retraction adjusting mechanism drives the plurality of light beam emitters to move so as to irradiate the lens with light rays at multiple positions, and the arranged rotation adjusting mechanism realizes the rotation of the lens, so that the lens is matched with the light beam emitters to detect the overall flatness of the lens, and the practicability is strong.
Drawings
Fig. 1 is a schematic structural diagram of a lens surface flatness detecting apparatus.
Fig. 2 is a schematic view of the internal structure of the receiving sleeve in the lens surface flatness detecting apparatus.
Fig. 3 is a schematic view of the connection state of the mounting member and the receiving base in the lens surface flatness detecting apparatus.
FIG. 4 is a schematic view of a socket of the lens surface flatness detecting apparatus.
In the figure: 1-base, 2-bracket, 3-first motor, 4-worm, 5-worm wheel, 6-bevel gear group, 7-adapting sleeve, 8-sliding sleeve, 9-pushing rod, 10-connecting rod, 11-light beam emitter, 12-mounting piece, 13-annular tooth, 14-bolt, 15-adapting seat, 16-second motor, 17-driving gear, 18-imaging plate, 19-first threaded sleeve, 20-first threaded rod, 21-guiding component, 22-adjusting disc, 23-second threaded sleeve, 24-second threaded rod, 25-annular sliding groove, 26-arc sliding block and 27-pressing plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In addition, an element of the present invention may be said to be "fixed" or "disposed" to another element, either directly on the other element or with intervening elements present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Referring to fig. 1~4, in an embodiment of the present invention, a lens surface flatness detecting apparatus includes a base 1 and a receiving base 15 installed on the base 1, a mounting member 12 for lens clamping is rotatably installed on the receiving base 15, the receiving base 15 is further connected to a rotation adjusting mechanism installed on the base 1, and the rotation adjusting mechanism drives the receiving base 15 to rotate to change a placement position of a lens;
an imaging plate 18 is arranged on the base 1 at a position on one side of the bearing seat 15, and the imaging plate 18 is connected with a horizontal adjusting mechanism arranged on the base 1, and the horizontal adjusting mechanism changes the distance between the imaging plate 18 and the mounting part 12;
the light beam emitter 11 that is a plurality of circumference settings and level and places is provided with in the position department that is located on the base 1 accept 15 opposite sides of seat, light beam emitter 11 with install receive and release adjustment mechanism on the base 1 is connected, it is a plurality of to receive and release adjustment mechanism drive light beam emitter 11 outdiffusion or gather together each other, in order to change the light that light beam emitter 11 sent is in carry out the position change on the lens.
In the embodiment of the invention, horizontal light rays are emitted by the plurality of light beam emitters 11 and pass through the lens on the mounting piece 12, then the light rays are imaged on the imaging plate 18, by utilizing the characteristics of the convex lens, when the convex lens is flat in mirror surface, the horizontal light rays pass through a converging point, the position of the imaging plate 18 is adjusted by the horizontal adjusting mechanism, the plurality of light beam emitters 11 are driven to move by the arranged retraction adjusting mechanism, so that the lens is irradiated by the light rays at multiple positions, the rotation of the lens is realized by the arranged rotation adjusting mechanism, and the overall flatness detection of the lens is carried out by matching with the light beam emitters 11, so that the practicability is high.
In the embodiment of the present invention, it should be noted that the mounting member 12 is arranged in an annular structure, an embedded groove for clamping the lens is arranged at an inner ring of the mounting member 12, a pressing plate 27 is arranged at the embedded groove, and the pressing plate 27 is fixed on the mounting member 12 through a bolt 14, so as to fix the lens.
As another embodiment of the present invention, the bearing seat 15 is clipped on both sides of the mounting component 12, and the bearing seat 15 is provided with an arc-shaped sliding block 26, and the arc-shaped sliding block 26 is slidably matched with an annular sliding slot 25 provided on the mounting component 12.
In the embodiment of the present invention, the arc-shaped sliding block 26 is slidably engaged with the arc-shaped sliding groove 25 to ensure the stability of the mounting member 12 during the rotation process, and at the same time, the mounting member 12 is effectively supported.
As another embodiment of the present invention, the rotation adjusting mechanism includes an annular tooth 13 disposed outside the mounting member 12, the annular tooth 13 is engaged with a driving gear 17 rotatably mounted on the socket 15, and a rotation shaft of the driving gear 17 is fixedly connected to an output shaft of a second motor 16 mounted on the socket 15.
In the embodiment of the invention, the second motor 16 is arranged to drive the driving gear 17 to rotate when in operation, and the driving gear 17 drives the mounting part 12 to rotate through the annular teeth 13 meshed with the driving gear, so that the rotation adjustment of the lens is realized to change the relative position of the lens and the light beam emitter 11.
As another embodiment of the present invention, the horizontal adjustment mechanism includes a first threaded rod 20 rotatably mounted on the base 1, and a first threaded sleeve 19 screwed on the first threaded rod 20 and fixedly connected to the imaging plate 18, the first threaded sleeve 19 is slidably engaged with the base 1 through a guide assembly 21 mounted on the base 1, and an adjustment plate 22 is further fixed to one end of the first threaded rod 20.
In the embodiment of the invention, the adjusting disc 22 drives the first threaded rod 20 to rotate, and when the first threaded rod 20 rotates, the guide assembly 21 is matched to realize the axial position adjustment of the first threaded sleeve 19 relative to the first threaded rod 20, so that the position adjustment of the imaging plate 18 is realized.
As another embodiment of the present invention, the guiding assembly 21 includes a guiding rod fixed on the base 1 and a guiding sleeve sleeved on the guiding rod and fixedly connected to the first threaded sleeve 19.
In the embodiment of the present invention, it should be noted that the guide rod is arranged to be slidably engaged with the guide sleeve to prevent the first threaded sleeve 19 from rotating with the first threaded rod 20.
As another embodiment of the present invention, the retraction adjusting mechanism includes a bracket 2 fixed on the base 1 and a receiving sleeve 7 fixed on the bracket 2, the light beam emitter 11 is hinged on the receiving sleeve 7 through two parallel connecting rods 10 and is connected with a threaded adjusting component mounted on the receiving sleeve 7, and the threaded adjusting component is driven by a driving component mounted on the bracket 2 to move.
In the embodiment of the present invention, the screw thread adjusting assembly is driven by the driving assembly to move so as to adjust the position of the light beam emitter 11, wherein, it should be noted that, because two parallel connecting rods 10 are used, the light beam emitter 11 can be kept in a horizontal state when being adjusted, so as to ensure that the light emitted by the adjusted light beam emitter 11 still enters the lens in a horizontal direction.
As another embodiment of the present invention, the screw adjustment assembly includes a second threaded rod 24 rotatably installed in the receiving sleeve 7 and a second threaded sleeve 23 threadedly connected to the second threaded rod 24, the second threaded sleeve 23 is fixed to a sliding sleeve 8 sleeved on the receiving sleeve 7 through a connecting block penetrating through the receiving sleeve 7, and the sliding sleeve 8 is further hinged to the light beam emitter 11 through a push rod 9 hinged thereto.
In the embodiment of the present invention, when the second threaded rod 24 rotates, the second threaded sleeve 23 is driven to move, the second threaded sleeve 23 drives the receiving sleeve 7 to move, and when the receiving sleeve 7 moves, the pushing rod 9 drives the light beam emitter 11 to perform adjustment, so as to achieve the adjustment requirement.
As another embodiment of the present invention, the driving assembly includes a worm wheel 5 rotatably mounted on the bracket 2 and a worm 4 engaged with the worm wheel 5, a rotating shaft of the worm wheel 5 is rotatably connected with the second threaded rod 24 through a bevel gear set 6, and the worm 4 is fixedly connected with an output shaft of the first motor 3 mounted on the bracket 2.
In the embodiment of the present invention, when the first motor 3 is operated, the worm 4 is driven to rotate, the worm 4 drives the worm wheel 5 to rotate, and the worm wheel 5 drives the second threaded rod 24 to rotate through the bevel gear set 6, so as to implement the driving requirement, where it should be noted that the bevel gear set 6 is composed of two mutually perpendicular and meshed bevel gears, and plays a role in turning and transmitting the force, and of course, the transmission ratio of the bevel gear set 6 is not specifically limited in this application, and can be selected according to the requirement.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (5)
1. The device for detecting the surface flatness of the lens is characterized by comprising a base (1) and a bearing seat (15) arranged on the base (1), wherein an installation part (12) for clamping and placing the lens is rotatably arranged on the bearing seat (15), the bearing seat (15) is also connected with a rotation adjusting mechanism arranged on the base (1), and the rotation adjusting mechanism drives the bearing seat (15) to rotate so as to change the placement position of the lens;
an imaging plate (18) is arranged on the base (1) at a position on one side of the bearing seat (15), the imaging plate (18) is connected with a horizontal adjusting mechanism arranged on the base (1), and the horizontal adjusting mechanism changes the distance between the imaging plate (18) and the mounting piece (12);
a plurality of light beam emitters (11) which are arranged circumferentially and horizontally are arranged at the position, on the other side of the bearing seat (15), of the base (1), the light beam emitters (11) are connected with a retraction adjusting mechanism arranged on the base (1), and the retraction adjusting mechanism drives the light beam emitters (11) to diffuse outwards or gather together with each other so as to change the position of light rays emitted by the light beam emitters (11) on the lens;
the retractable adjusting mechanism comprises a support (2) fixed on the base (1) and a bearing sleeve (7) fixed on the support (2), the light beam emitter (11) is hinged on the bearing sleeve (7) through two connecting rods (10) which are parallel to each other and is connected with a thread adjusting assembly arranged on the bearing sleeve (7), and the thread adjusting assembly is driven by a driving assembly arranged on the support (2) to move;
the thread adjusting assembly comprises a second threaded rod (24) rotatably mounted in the bearing sleeve (7) and a second threaded sleeve (23) in threaded connection with the second threaded rod (24), the second threaded sleeve (23) is fixed with a sliding sleeve (8) sleeved on the bearing sleeve (7) through a connecting block penetrating through the bearing sleeve (7), and the sliding sleeve (8) is further hinged with the light beam emitter (11) through a pushing rod (9) hinged with the sliding sleeve (8);
drive assembly installs including rotating worm wheel (5) on support (2) and with worm (4) of worm wheel (5) meshing, the pivot of worm wheel (5) pass through bevel gear group (6) with second threaded rod (24) rotate and are connected, worm (4) with install the output shaft fixed connection of first motor (3) on support (2).
2. The device for detecting the flatness of the surface of a lens according to claim 1, wherein the supporting base (15) is clamped on two sides of the mounting member (12), and an arc-shaped sliding block (26) is arranged on the supporting base (15), and the arc-shaped sliding block (26) is in sliding fit with an annular sliding groove (25) arranged on the mounting member (12).
3. A lens surface flatness detecting apparatus according to claim 2, wherein said rotation adjusting mechanism includes an annular tooth (13) disposed outside said mounting member (12), said annular tooth (13) is engaged with a driving gear (17) rotatably mounted on said socket (15), and a rotation shaft of said driving gear (17) is fixedly connected with an output shaft of a second motor (16) mounted on said socket (15).
4. The device for detecting the flatness of the surface of a lens according to claim 1, wherein the horizontal adjusting mechanism comprises a first threaded rod (20) rotatably mounted on the base (1) and a first threaded sleeve (19) screwed on the first threaded rod (20) and fixedly connected with the imaging plate (18), the first threaded sleeve (19) is slidably fitted with the base (1) through a guide assembly (21) mounted on the base (1), and an adjusting disc (22) is further fixed at one end of the first threaded rod (20).
5. The device for detecting the flatness of the surface of a lens according to claim 4, wherein the guiding assembly (21) comprises a guiding rod fixed on the base (1) and a guiding sleeve sleeved on the guiding rod and fixedly connected with the first threaded sleeve (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110217369.8A CN112697078B (en) | 2021-02-26 | 2021-02-26 | Lens surface flatness detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110217369.8A CN112697078B (en) | 2021-02-26 | 2021-02-26 | Lens surface flatness detection device |
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| Publication Number | Publication Date |
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| CN112697078A CN112697078A (en) | 2021-04-23 |
| CN112697078B true CN112697078B (en) | 2023-03-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110217369.8A Active CN112697078B (en) | 2021-02-26 | 2021-02-26 | Lens surface flatness detection device |
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| CN116247307B (en) * | 2023-03-17 | 2023-09-19 | 江苏万锂达智能科技有限公司 | Hot-press shaping equipment and process for lithium battery cell |
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| CN103439088A (en) * | 2013-08-19 | 2013-12-11 | 江苏大学 | Method and device for using convex lens to generate collimated light |
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| JP4810365B2 (en) * | 2006-09-04 | 2011-11-09 | 株式会社リコー | Lens barrel, camera, and portable information terminal device |
| CN102928940A (en) * | 2011-08-11 | 2013-02-13 | 中强光电股份有限公司 | Optical projection system and lens adjusting device |
| JP6167821B2 (en) * | 2013-10-02 | 2017-07-26 | 富士ゼロックス株式会社 | Inspection device |
| CN111912394A (en) * | 2020-08-07 | 2020-11-10 | 刘正波 | Perpendicularity detection equipment for building engineering |
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| CN103439088A (en) * | 2013-08-19 | 2013-12-11 | 江苏大学 | Method and device for using convex lens to generate collimated light |
| CN204329905U (en) * | 2014-12-30 | 2015-05-13 | 耐世特凌云驱动系统(涿州)有限公司 | A kind of axle class surface thread lead angle detection device |
| CN109686208A (en) * | 2019-02-19 | 2019-04-26 | 商洛学院 | A kind of telescopic Experiment of College Physics lens demonstration railroad |
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