CN109668527A - A kind of adjustable optical-autocollimator - Google Patents
A kind of adjustable optical-autocollimator Download PDFInfo
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- CN109668527A CN109668527A CN201910154310.1A CN201910154310A CN109668527A CN 109668527 A CN109668527 A CN 109668527A CN 201910154310 A CN201910154310 A CN 201910154310A CN 109668527 A CN109668527 A CN 109668527A
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- 238000003384 imaging method Methods 0.000 claims abstract description 49
- 238000005520 cutting process Methods 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims 1
- 230000003287 optical effect Effects 0.000 abstract description 37
- 238000012545 processing Methods 0.000 abstract description 8
- 239000000463 material Substances 0.000 abstract description 5
- 230000006870 function Effects 0.000 description 6
- 238000009434 installation Methods 0.000 description 6
- 238000005259 measurement Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 239000007787 solid Substances 0.000 description 5
- 230000003139 buffering effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000009711 regulatory function Effects 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 241000233855 Orchidaceae Species 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 230000003831 deregulation Effects 0.000 description 1
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- 238000004519 manufacturing process Methods 0.000 description 1
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Classifications
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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
- G01B11/26—Measuring arrangements characterised by the use of optical techniques for measuring angles or tapers; for testing the alignment of axes
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/30—Collimators
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- Optics & Photonics (AREA)
- Lens Barrels (AREA)
Abstract
The invention discloses a kind of adjustable optical-autocollimators, belong to optical instrument field, a kind of adjustable optical-autocollimator, including lens orientation clamping structure, it connects barrel structure and imaging CCD adjusts structure, lens orientation clamping structure includes left side pyramid fixed structure, decaying piece fixed structure, downside pyramid fixed structure, prism positioning clamping and cemented double lens fixed structure, prism positioning clamping includes lens barrel, imaging CCD adjustment structure can adjust the focal position that the position of imaging CCD makes its photosurface be in cemented double lens by fine-tuning mode, downside pyramid fixed structure can be dismantled flexibly as needed, the optical mirror slip accurate positioning of the optical-autocollimator, it is easily installed, facilitate adjusting；It is adjustable that the position CCD is imaged；Complete machine quick release or assembling, structure is simple, and part processing precision requires low；Single unit system is light-weight, size is small, and material cost can be largely reduced when for producing in batches.
Description
Technical field
The present invention relates to optical instrument fields, more specifically to a kind of adjustable optical-autocollimator.
Background technique
Autocollimator, also known as " autocollimator ", " optical flatness somascope " are a kind of auto-collimation principles using light
Angle measurement is converted to a kind of metrical instrument of linear measurement.It is widely used in small angle measurement, plate the measurement of planeness,
The straightness of guide rail and the measurement of paralleism etc..Main protect includes optical-autocollimator, photoelectric auto-collimator, laser collimator
Deng.
In existing optical articles, especially optical collimator product, need using the various light including prism
Eyeglass is learned, and used prism or other eyeglass present positions and angle generally have very strict requirement.Actually answering
With in situation, most products are to improve positioning accuracy by improving machining accuracy and assembly precision, i.e., by optical mirror slip
It is directly anchored on lens barrel, excessively high requirement is so proposed to machining accuracy and assembly precision.In nearly all feelings
Under condition, corresponding error is inevitably resulted from during processing, assembly etc., is assembled in this case by normal flow
The eyeglass come is difficult to meet requirement.
In order to solve because of processing problems bring assembly problem, portioned product uses adjustable technology, that is, reduces processing
Required precision is assembled by the later period and is adjusted meet the requirements device.In the prior art, prism assemblies are typically all directly fixed
De-regulation other eyeglasses on lens barrel, this structure are often component separation, and each adjustment member is independent of one another.It can thus make
It is more at component, and there is preparation tolerance between each assembling parts, the cumulative limit to add up after multiple component assemblings is larger, no
It conducive to the accurate positioning of eyeglass, needs repeatedly to debug, and installs and be divided into two parts completion, installation or debugging effect with adjustment process needs
Rate is lower.
Summary of the invention
1. technical problems to be solved
Aiming at the problems existing in the prior art, the purpose of the present invention is to provide a kind of adjustable optical-autocollimator,
Its optical mirror slip accurate positioning, is easily installed, and facilitates adjusting；It is adjustable that the position CCD is imaged；Complete machine quick release or assembling, knot
Structure is simple, and part processing precision requires low；Single unit system is light-weight, size is small, can largely drop when for producing in batches
Low material cost.
2. technical solution
To solve the above problems, the present invention adopts the following technical scheme that.
A kind of adjustable optical-autocollimator, including lens orientation clamping structure, connection barrel structure and imaging CCD adjustment knot
Structure, the lens orientation clamping structure include left side pyramid fixed structure, decaying piece fixed structure, downside pyramid fixed structure,
Prism positioning clamping and cemented double lens fixed structure, the prism positioning clamping includes lens barrel, the imaging CCD
Adjustment structure can adjust the focal position that the position of imaging CCD makes its photosurface be in cemented double lens, institute by fine-tuning mode
Stating left side pyramid fixed structure includes left side end cap and left side pyramid, and the left side end cap is fixedly connected on lens barrel left end, described
Left side pyramid is connected to lens barrel close to the inside of left side end cap, and the decaying piece fixed structure includes upside attenuator cylinder, decaying
Piece mounting cylinder and attenuator end cap, the upside attenuator cylinder are fixedly connected on lens barrel upper end, the attenuator mounting cylinder connection
In upside attenuator cylinder upper end, the attenuator end cap is connected to attenuator mounting cylinder upper end, the attenuator mounting cylinder inside
Equipped with attenuator component, the downside pyramid fixed structure includes downside pyramid cylinder, downside end cap and downside pyramid, the downside
Pyramid cylinder is connected to lens barrel lower end, and downside pyramid cylinder and upside attenuator cylinder are symmetrical about lens barrel, sets on the inside of the lens barrel
There is prism, and prism is located between downside pyramid cylinder and upside attenuator cylinder, the downside pyramid is connected in the pyramid cylinder of downside
Side, the downside end cap are connected to downside pyramid cylinder lower end, and the cemented double lens fixed structure includes cemented double lens and the right side
Side end cap, the right side end cap are connected to lens barrel right end, and the cemented double lens are connected to lens barrel close to the inside of right side end cap,
Described connection barrel structure one end is connected to lens barrel right end, and the connection barrel structure other end is connect with imaging CCD adjustment structure, institute
Stating imaging CCD adjustment structure includes that upside imaging CCD fixing seat, downside imaging CCD fixing seat and imaging CCD, the adjustment are solid
Reservation and downside imaging CCD fixing seat are all connected to connection barrel structure right end, and the downside imaging CCD fixing seat is far from connecting cylinder
The inner end of structure is fixedly connected with adjustment fixing seat, and digging in the adjustment fixing seat has threaded hole, connects in the threaded hole
There is adjustment bar, the imaging CCD is located between downside imaging CCD fixing seat and upside imaging CCD fixing seat, and is imaged under CCD
End is fixedly connected with CCD mounting plate, and CCD mounting plate lower end and adjustment bar are sequentially connected, optical mirror slip accurate positioning, easily
In installation, facilitate adjusting；It is adjustable that the position CCD is imaged；Complete machine quick release or assembling, structure is simple, and part processing precision is wanted
Ask low；Single unit system is light-weight, size is small, and material cost can be largely reduced when for producing in batches.
Further, the left side end cap is connected to lens barrel left end by screw thread or screw, and left side end cap is cylindric knot
Structure, one end are provided with third groove, and third groove size is related with left side pyramid shape；Left side end cap will be left by screw thread or screw
Side angle cone is fixed in the groove of lens barrel left side；Left side end cap is consolidated left side pyramid by way of compressing left side pyramid outer end face
It is scheduled on lens barrel；This part-structure is positioned by left side pyramid optical surface, and the side at the left side pyramid back side is compressed by left side end cap
Formula is locked, it can be achieved that high accuracy positioning；The downside end cap is connected to downside pyramid cylinder lower end, the right side by screw thread or screw
Side end cap is connected to lens barrel right end by screw thread or screw, is easily installed and dismantles.
Further, the attenuator component includes first order attenuator and second level attenuator；The first order decaying
Piece is located between attenuator mounting cylinder and upside attenuator cylinder, and passes through screw thread between attenuator mounting cylinder and upside attenuator cylinder
The form of connection fixes first order attenuator；The second level attenuator be located at attenuator mounting cylinder and attenuator end cap it
Between, and the form being connected by screw between attenuator mounting cylinder and attenuator end cap fixes second level attenuator, this part
Structure can install first order attenuator and second level attenuator according to the actual situation, when only needing using first order attenuator,
Second level attenuator can be easily and fast dismantled when not removing other structures, play the role of Quick Release.
Further, be connected with left side rubber pad between the left side end cap and lens barrel, the right side end cap and lens barrel it
Between be connected with right side rubber pad；It is connected with downside rubber pad between the downside end cap and downside pyramid cylinder, plays buffering and squeezes
Effect.
Further, the adjustment bar right part is fixedly connected with adjustment knob, adjusts knob by turn and drives adjustment
Band is mobile with CCD mounting plate in turn for bar rotation, to realize the regulatory function to imaging CCD.
Further, the downside pyramid cylinder is the flanged (FLGD) cylindrical structure of upper and lower ends, and upper flanges and lens barrel
Connection, the lower end flanges are connect with downside pyramid, and downside end cap is cylindrical-shaped structure, and the cutting first of downside end cap one end is recessed
Slot, the first groove size are related with downside pyramid shape；Downside pyramid is fixed on downside by screw thread or screw by downside end cap
In the lower end flanges of pyramid cylinder；Downside pyramid is fixed on lower side angle by way of compressing downside pyramid lower end surface by downside end cap
In cone cylinder；This part-structure is positioned by downside pyramid optical surface, and downside, end cap is locked by way of compressing, it can be achieved that high-precision
Degree is fixed；This part is designed to quick-disassembly structure, meets the normal use in calibration, in test can quickly, conveniently remove storage
Function.
Further, the right side end cap is cylindrical-shaped structure, and the lens barrel right end cutting has flange annular groove, described
Right side end cap end matches with flange annular groove, and right side end cap end, which is dug, the second groove, double during locking
The left side curved surface of glued camera lens is forced into lens barrel right flange annular groove edge, and the right side curved surface of cemented double lens is compacted
To the second recess edge of right side end cap, and then realize positioning to cemented double lens, locking function.
3. beneficial effect
Compared with the prior art, the present invention has the advantages that
(1) the optical mirror slip accurate positioning in this programme, is easily installed, and facilitates adjusting；It is adjustable that the position CCD is imaged；Complete machine
Quick release or assembling, structure is simple, and part processing precision requires low；Single unit system is light-weight, size is small, for giving birth in batches
Material cost can be largely reduced when production.
(2) left side end cap is connected to lens barrel left end by screw thread or screw, and left side end cap is cylindrical-shaped structure, and one end is provided with
Third groove, third groove size are related with left side pyramid shape；Left side end cap is fixed left side pyramid by screw thread or screw
In the groove of lens barrel left side；Left side pyramid is fixed on lens barrel by way of compressing left side pyramid outer end face by left side end cap
On；This part-structure is positioned by left side pyramid optical surface, is locked in such a way that left side end cap compresses the left side pyramid back side, can
Realize high accuracy positioning；Downside end cap is connected to downside pyramid cylinder lower end by screw thread or screw, right side end cap by screw thread or
Screw is connected to lens barrel right end, is easily installed and dismantles.
(3) attenuator component includes first order attenuator and second level attenuator；First order attenuator is located at attenuator peace
Between fitted tube and upside attenuator cylinder, and the form being connected through a screw thread between attenuator mounting cylinder and upside attenuator cylinder is by
Level-one attenuator is fixed；Second level attenuator between attenuator mounting cylinder and attenuator end cap, and attenuator mounting cylinder with
The form being connected by screw between attenuator end cap fixes second level attenuator, this part-structure can pacify according to the actual situation
It fills first order attenuator and second level attenuator can be when removing other structures when only needing using first order attenuator
Second level attenuator is easily and fast dismantled, Quick Release is played the role of.
(4) it is connected with left side rubber pad between left side end cap and lens barrel, right side rubber is connected between right side end cap and lens barrel
Rubber mat；It is connected with downside rubber pad between downside end cap and downside pyramid cylinder, plays the role of buffering and squeezes.
(5) adjustment bar right part is fixedly connected with adjustment knob, adjusts knob by turn and drives adjustment bar rotation
Band is mobile with CCD mounting plate, to realize the regulatory function to imaging CCD.
(6) downside pyramid cylinder is the flanged (FLGD) cylindrical structure of upper and lower ends, and upper flanges are connect with lens barrel, lower hold-carrying
Orchid connect with downside pyramid, and downside end cap is cylindrical-shaped structure, and the first groove, the first groove size are dug in downside end cap one end
It is related with downside pyramid shape；Downside pyramid is fixed on the lower end flanges of downside pyramid cylinder by screw thread or screw by downside end cap
On；Downside pyramid is fixed on the pyramid cylinder of downside by downside end cap by way of compressing downside pyramid lower end surface；This part knot
Structure is positioned by downside pyramid optical surface, and downside, end cap is locked by way of compressing, it can be achieved that high-precision fixed；The design of this part
At quick-disassembly structure, meet the normal use in calibration, the function of storage can quickly, be conveniently removed in test.
(7) right side end cap is cylindrical-shaped structure, and the cutting of lens barrel right end has flange annular groove, right side end cap end and flange
Annular groove matches, and right side end cap end, which is dug, the second groove, the left side curved surface of cemented double lens during locking
It is forced into lens barrel right flange annular groove edge, it is second recessed to be forced into right side end cap for the right side curved surface of cemented double lens
Groove edge, and then realize positioning to cemented double lens, locking function.
Detailed description of the invention
Fig. 1 is perspective view of the invention；
Fig. 2 is structural schematic diagram of the invention；
Fig. 3 is the index path under the reflective surface of optical element to be measured of the invention and the axis out of plumb state of camera lens to be measured；
Fig. 4 is the index path under the reflective surface of optical element to be measured of the invention and the axis perpendicular state of camera lens to be measured.
Figure label explanation:
11 left side end caps, 12 left side rubber pads, 13 left side pyramids, 2 prism positioning clampings, 31 upside attenuator cylinders,
32 attenuator mounting cylinders, 33 attenuator end caps, 34 first order attenuators, 35 second level attenuators, 41 cemented double lens, 42 right sides
End cap, 5 connection barrel structures, 6 imaging CCD adjustment structures, 61 adjustment fixing seats, 62 adjustment knobs, 63 upside imaging CCD are fixed
Seat, 64 downside imaging CCD fixing seats, 65 adjustment bars, 66 imaging CCD, 67 CCD mounting plates, 71 downside pyramid cylinders, 81 lower sides
Lid, 82 downside rubber pads, 83 downside pyramids.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description；Obviously, described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments, is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the instruction such as term " on ", "lower", "inner", "outside", " top/bottom end "
Orientation or positional relationship be based on the orientation or positional relationship shown in the drawings, be merely for convenience of description the present invention and simplification retouch
It states, rather than the device or element of indication or suggestion meaning must have a particular orientation, be constructed and operated in a specific orientation,
Therefore it is not considered as limiting the invention.In addition, term " first ", " second " are used for description purposes only, and cannot understand
For indication or suggestion relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation " " is set
Be equipped with ", " be arranged/connect ", " connection " etc., shall be understood in a broad sense, such as " connection ", may be a fixed connection, be also possible to removable
Connection is unloaded, or is integrally connected；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, it can also be in
Between medium be indirectly connected, can be the connection inside two elements.It for the ordinary skill in the art, can be specific
Situation understands the concrete meaning of above-mentioned term in the present invention.
Embodiment 1:
Please refer to Fig. 1 and Fig. 2, a kind of adjustable optical-autocollimator, including lens orientation clamping structure, connection barrel structure
5 and imaging CCD adjusts structure 6, and lens orientation clamping structure includes left side pyramid fixed structure, decaying piece fixed structure, downside
Pyramid fixed structure, prism positioning clamping 2 and cemented double lens fixed structure, prism positioning clamping 2 include lens barrel,
The position that imaging CCD adjustment structure 6 can adjust imaging CCD 66 by fine-tuning mode makes its photosurface be in cemented double lens 41
Focal position, left side pyramid fixed structure includes left side end cap 11 and left side pyramid 13, and left side end cap 11 is fixedly connected on mirror
Cylinder left end, left side pyramid 13 are connected to lens barrel close to the inside of left side end cap 11, and piece fixed structure of decaying includes upside attenuator
Cylinder 31, attenuator mounting cylinder 32 and attenuator end cap 33, upside attenuator cylinder 31 are fixedly connected on lens barrel upper end, attenuator installation
Cylinder 32 is connected to 31 upper end of upside attenuator cylinder, and attenuator end cap 33 is connected to 32 upper end of attenuator mounting cylinder, attenuator installation
32 inside of cylinder is equipped with attenuator component, and downside pyramid fixed structure includes downside pyramid cylinder 71, downside end cap 81 and downside pyramid
83, downside pyramid cylinder 71 is connected to lens barrel lower end, and downside pyramid cylinder 71 and upside attenuator cylinder 31 are symmetrical about lens barrel, mirror
Cylinder inside is equipped with prism, and prism is located between downside pyramid cylinder 71 and upside attenuator cylinder 31, and downside pyramid 83 is connected to down
71 inside of side angle cone cylinder, downside end cap 81 are connected to 71 lower end of downside pyramid cylinder, and cemented double lens fixed structure includes double glued
Camera lens 41 and right side end cap 42, right side end cap 42 are connected to lens barrel right end, and cemented double lens 41 are connected to lens barrel close to right-hand end
The inside of lid 42, connection 5 one end of barrel structure are connected to lens barrel right end, and connection 5 other end of barrel structure and imaging CCD adjust structure 6
Connection, imaging CCD adjustment structure 6 include that CCD fixing seat 63, downside imaging CCD fixing seat 64 and imaging CCD 66 is imaged in upside,
Adjustment fixing seat 61 and downside imaging CCD fixing seat 64 are all connected to connection 5 right end of barrel structure, and CCD fixing seat 64 is imaged in downside
Inner end far from connection barrel structure 5 is fixedly connected with adjustment fixing seat 61, and adjusting to dig in fixing seat 61 has threaded hole, the spiral shell
Be connected in pit adjustment bar 65, imaging CCD 66 be located at downside imaging CCD fixing seat 64 and upside be imaged CCD fixing seat 63 it
Between, and 66 lower end CCD is imaged and is fixedly connected with CCD mounting plate 67,67 lower end of CCD mounting plate and adjustment bar 65 are sequentially connected,
Optical mirror slip accurate positioning, is easily installed, and facilitates adjusting；It is adjustable that 66 position CCD is imaged；Complete machine quick release or assembling, knot
Structure is simple, and part processing precision requires low；Single unit system is light-weight, size is small, can largely drop when for producing in batches
Low material cost.
Left side end cap 11 is connected to lens barrel left end by screw thread or screw, and left side end cap 11 is cylindrical-shaped structure, and one end is opened
There is third groove, third groove size is related with 13 shape of left side pyramid；Left side end cap 11 passes through screw thread or screw for left hand corner
Cone 13 is fixed in the groove of lens barrel left side；Left side end cap 11 is by way of compressing left side 13 outer end face of pyramid by left side pyramid
13 are fixed on lens barrel；This part-structure is positioned by 13 optical surface of left side pyramid, compresses left side pyramid by left side end cap 11
The mode at 13 back sides is locked, it can be achieved that high accuracy positioning；Downside end cap 81 is connected to downside pyramid cylinder 71 by screw thread or screw
Lower end, right side end cap 42 are connected to lens barrel right end by screw thread or screw, are easily installed and dismantle.
Referring to Fig. 2, attenuator component includes first order attenuator 34 and second level attenuator 35；First order attenuator 34
Lead between attenuator mounting cylinder 32 and upside attenuator cylinder 31, and between attenuator mounting cylinder 32 and upside attenuator cylinder 31
Cross the form being threadedly coupled first order attenuator 34 is fixed；Second level attenuator 35 is located at attenuator mounting cylinder 32 and attenuator
Between end cap 33, and the form being connected by screw between attenuator mounting cylinder 32 and attenuator end cap 33 is by second level attenuator
35 is fixed, this part-structure can install first order attenuator 34 and second level attenuator 35 according to the actual situation, when only needing to make
When with first order attenuator 34, second level attenuator 35 can be easily and fast dismantled when not removing other structures, play Quick Release work
With.
Referring to Fig. 1, left side rubber pad 12 is connected between left side end cap 11 and lens barrel, between right side end cap 42 and lens barrel
It is connected with right side rubber pad；It is connected with downside rubber pad 82 between downside end cap 81 and downside pyramid cylinder 71, plays buffering and squeezes
Effect.
Fig. 1 and Fig. 2 are please referred to, adjustment 65 right part of bar is fixedly connected with adjustment knob 62, adjusts knob 62 by turn
It drives the rotation of adjustment bar 65 and then band is mobile with CCD mounting plate 67, to realize the regulatory function to imaging CCD 66.
Downside pyramid cylinder 71 is the flanged (FLGD) cylindrical structure of upper and lower ends, and upper flanges are connect with lens barrel, lower hold-carrying
Orchid connect with downside pyramid 83, and downside end cap 81 is cylindrical-shaped structure, and the first groove is dug in end cap 81 one end in downside, and first is recessed
Slot size is related with 83 shape of downside pyramid；Downside pyramid 83 is fixed on downside pyramid by screw thread or screw by downside end cap 81
In the lower end flanges of cylinder 71；Downside pyramid 83 is fixed on down by downside end cap 81 by way of compressing downside 83 lower end surface of pyramid
In side angle cone cylinder 71；This part-structure is positioned by 83 optical surface of downside pyramid, is locked in such a way that downside end cap 81 compresses,
It can be achieved high-precision fixed；This part is designed to quick-disassembly structure, meets the normal use in calibration, can quickly, conveniently in test
Remove the function of storage.
Right side end cap 42 is cylindrical-shaped structure, and the cutting of lens barrel right end has flange annular groove, 42 end of right side end cap and method
Blue annular groove matches, and end cap 42 end in right side, which is dug, the second groove, a left side for cemented double lens 41 during locking
N-Side surf is forced into lens barrel right flange annular groove edge, and the right side curved surface of cemented double lens 41 is forced into right side end cap
42 the second recess edge, and then realize positioning to cemented double lens 41, locking function.
In the present invention, prism plays the role of light splitting, referring to Fig. 4, the laser that laser issues is divided after prism
At two-way optical path, (route shown in solid in index path) is reflected all the way, prism is directed through all the way and propagates (in index path downwards
Route shown in dotted line).Reflected light (optical path shown in solid) returns to prism after the reflection of left side pyramid 13, this is anti-at this time
It penetrates a part of light in optical path and is reflected the device (being not drawn into index path), a part is through prism and passes through cemented double lens
41 focal imaging is on imaging 66 photosurface of CCD；The light (optical path shown in dotted line) directly reflected passes through the anti-of downside pyramid 83
After penetrating, prism is returned to, the reflected light path a part projects the device (being not drawn into index path) through prism at this time, a part
By the reflection of prism and the focal imaging of process cemented double lens 41 is on imaging 66 photosurface of CCD.
When installation, reconciling, pyramid 13, prism, lens barrel are in coaxial state to the present invention on the left of guarantee；In calibration, pass through
The state for adjusting downside pyramid 83, converges in the imaging point of two-way optical path (optical path shown in optical path shown in solid and dotted line) same
Position, referring to Fig. 4, thinking that the adjustable optical-autocollimator is in auto-collimation state at this time.If downside pyramid 83 and a left side
Side angle bores 13 out of plumb, referring to Fig. 3, then two imaging points of two optical paths are not in same position.
When in use, the downside pyramid fixed structure of the adjustable optical-autocollimator of auto-collimation state is removed, it will
The reflective surface of optical element to be measured places direction on the downside of the adjustable optical-autocollimator prism, by adjusting the adjustable optics certainly
The position of optical element to be measured on the downside of collimator prism makes the imaging of two-way optical path (optical path shown in optical path shown in solid and dotted line)
Point converges in same position, thinks that the optical element to be measured is vertical with the adjustable left side pyramid 13 of optical-autocollimator at this time.
In the case where not changing the location status of the optical element to be measured and the adjustable optical-autocollimator, camera lens to be measured is placed should
Between optical element to be measured and the adjustable optical-autocollimator, the position of camera lens to be measured is adjusted, two of two optical paths are imaged
When point is again at same position, then it is assumed that the axis of the reflective surface of optical element to be measured and camera lens to be measured is in plumbness.
The foregoing is intended to be a preferred embodiment of the present invention；But scope of protection of the present invention is not limited thereto.
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
It improves design and is subject to equivalent substitution or change, should be covered by the scope of protection of the present invention.
Claims (10)
1. a kind of adjustable optical-autocollimator, it is characterised in that: including lens orientation clamping structure, connection barrel structure (5) and
Be imaged CCD adjustment structure (6), the lens orientation clamping structure include left side pyramid fixed structure, decaying piece fixed structure, under
Side angle bores fixed structure, prism positioning clamping (2) and cemented double lens fixed structure, the prism positioning clamping
It (2) include lens barrel, the left side pyramid fixed structure includes left side end cap (11) and left side pyramid (13), the left side end cap
(11) it is fixedly connected on lens barrel left end, the left side pyramid (13) is connected to lens barrel close to the inside of left side end cap (11), described
Piece fixed structure of decaying includes upside attenuator cylinder (31), attenuator mounting cylinder (32) and attenuator end cap (33), the upside
Attenuator cylinder (31) is fixedly connected on lens barrel upper end, and the attenuator mounting cylinder (32) is connected on upside attenuator cylinder (31)
End, the attenuator end cap (33) are connected to attenuator mounting cylinder (32) upper end, are equipped on the inside of the attenuator mounting cylinder (32)
Attenuator component, the downside pyramid fixed structure include downside pyramid cylinder (71), downside end cap (81) and downside pyramid (83),
The downside pyramid cylinder (71) is connected to lens barrel lower end, and downside pyramid cylinder (71) with upside attenuator cylinder (31) about lens barrel phase
Symmetrically, it is equipped with prism on the inside of the lens barrel, and prism is located between downside pyramid cylinder (71) and upside attenuator cylinder (31), it is described
Downside pyramid (83) is connected on the inside of downside pyramid cylinder (71), and the downside end cap (81) is connected under downside pyramid cylinder (71)
End, the cemented double lens fixed structure include cemented double lens (41) and right side end cap (42), and the right side end cap (42) is even
It is connected to lens barrel right end, the cemented double lens (41) are connected to lens barrel close to the inside of right side end cap (42), the connecting cylinder knot
Structure (5) one end is connected to lens barrel right end, and connection barrel structure (5) other end is connect with imaging CCD adjustment structure (6), described
Imaging CCD adjustment structure (6) includes upside imaging CCD fixing seat (63), downside imaging CCD fixing seat (64) and imaging CCD
(66), the adjustment fixing seat (61) and downside imaging CCD fixing seat (64) are all connected to connection barrel structure (5) right end, described
Downside imaging CCD fixing seat (64) is fixedly connected with adjustment fixing seat (61), the adjustment far from the inner end of connection barrel structure (5)
Digging in fixing seat (61) has threaded hole, and adjustment bar (65) is connected in the threaded hole, and the imaging CCD (66) is located at downside
It is imaged between CCD fixing seat (64) and upside imaging CCD fixing seat (63), and CCD (66) lower end is imaged and is fixedly connected with CCD peace
Loading board (67), CCD mounting plate (67) lower end and adjustment bar (65) transmission connection.
2. a kind of adjustable optical-autocollimator according to claim 1, it is characterised in that: the left side end cap (11) is logical
It crosses screw thread or screw is connected to lens barrel left end, the downside end cap (81) is connected to downside pyramid cylinder (71) by screw thread or screw
Lower end, the right side end cap (42) are connected to lens barrel right end by screw thread or screw.
3. a kind of adjustable optical-autocollimator according to claim 1, it is characterised in that: the attenuator component includes
First order attenuator (34) and second level attenuator (35).
4. a kind of adjustable optical-autocollimator according to claim 3, it is characterised in that: the first order attenuator
(34) between attenuator mounting cylinder (32) and upside attenuator cylinder (31), and attenuator mounting cylinder (32) and upside attenuator
The form being connected through a screw thread between cylinder (31) is fixed by first order attenuator (34).
5. a kind of adjustable optical-autocollimator according to claim 3, it is characterised in that: the second level attenuator
(35) between attenuator mounting cylinder (32) and attenuator end cap (33), and attenuator mounting cylinder (32) and attenuator end cap
(33) form being connected by screw between is fixed by second level attenuator (35).
6. a kind of adjustable optical-autocollimator according to claim 1, it is characterised in that: the left side end cap (11) with
It is connected with left side rubber pad (12) between lens barrel, right side rubber pad is connected between the right side end cap (42) and lens barrel.
7. a kind of adjustable optical-autocollimator according to claim 1, it is characterised in that: the downside end cap (81) with
Downside rubber pad (82) is connected between downside pyramid cylinder (71).
8. a kind of adjustable optical-autocollimator according to claim 1, it is characterised in that: adjustment bar (65) right end
Portion is fixedly connected with adjustment knob (62).
9. a kind of adjustable optical-autocollimator according to claim 1, it is characterised in that: the downside pyramid cylinder (71)
For the flanged (FLGD) cylindrical structure of upper and lower ends, and upper flanges are connect with lens barrel, the lower end flanges and downside pyramid (83)
Connection.
10. a kind of adjustable optical-autocollimator according to claim 1, it is characterised in that: the right side end cap (42)
For cylindrical-shaped structure, the lens barrel right end cutting has flange annular groove, and right side end cap (42) end and flange annular are recessed
Slot matches.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910154310.1A CN109668527B (en) | 2019-03-01 | 2019-03-01 | Adjustable optical auto-collimator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910154310.1A CN109668527B (en) | 2019-03-01 | 2019-03-01 | Adjustable optical auto-collimator |
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| Publication Number | Publication Date |
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| CN109668527A true CN109668527A (en) | 2019-04-23 |
| CN109668527B CN109668527B (en) | 2024-02-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910154310.1A Active CN109668527B (en) | 2019-03-01 | 2019-03-01 | Adjustable optical auto-collimator |
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Cited By (1)
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| CN113296286A (en) * | 2021-06-10 | 2021-08-24 | 重庆市天实精工科技有限公司 | Camera module lens assembly correction jig and use method thereof |
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| Publication number | Publication date |
|---|---|
| CN109668527B (en) | 2024-02-13 |
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