CN205809446U - A kind of optical lens optical axis alignment device - Google Patents
A kind of optical lens optical axis alignment device Download PDFInfo
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- CN205809446U CN205809446U CN201620615626.8U CN201620615626U CN205809446U CN 205809446 U CN205809446 U CN 205809446U CN 201620615626 U CN201620615626 U CN 201620615626U CN 205809446 U CN205809446 U CN 205809446U
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Abstract
nullThis utility model is a kind of optical lens optical axis alignment device，Including for the projecting subassembly by image projection to camera lens、Drive camera lens to swing below described projecting subassembly so that described camera lens and described projecting subassembly just to oscillating platform、For driving an imageing sensor along X below described camera lens、Y、Z axis move so that described imageing sensor and described camera lens just to mobile platform，And electrically connect and control the master controller of the two coordination exercise with described oscillating platform and described mobile platform，Described master controller connects imageing sensor，Connect described oscillating platform、Described mobile platform、Imageing sensor，This utility model is provided for driving the oscillating platform of rotation of lens，And for the mobile platform driving XYZ tri-axle of imageing sensor to move，Any change of the camera lens relative position with imageing sensor is realized by two platforms，Assembling by the fast accurate of mechanical automation control realization picture shooting assembly.
Description
Technical field
This utility model relates to precision optical machinery and debugs field, more specifically, relates to a kind of light based on image procossing
Learn camera lens optical axis alignment device.
Background technology
Contemporary society, handheld device such as mobile phone and panel computer is the most universal, and camera function also becomes these and hand-held sets
Standby Core Feature, therefore, the demand of the picture shooting assembly of handheld device is the hugest, and due to the service precision of picture shooting assembly
Height, requires strict to finished product shooting quality, and therefore the assembling of picture shooting assembly also has the highest required precision.Picture shooting assembly includes mirror
Head and sensor, in the assembling process of camera lens, the most still may require that substantial amounts of manual work, and workman needs to observe for a long time
The image that the camera lens assembled collects, and according to the fuzzy of these images or degrees of offset adjust the position assembled and
Angle.This working method efficiency of assembling first is low, needs substantial amounts of manpower, and second manual assembly exists bigger error.
Utility model content
The purpose of this utility model is to provide a kind of optical lens optical axis alignment device, it is intended to solve to deposit in prior art
Employing man-made assembly photographic head time, the problem that assembling speed is slow, rigging error is big.
For solving above-mentioned technical problem, the technical solution of the utility model is:
A kind of optical lens optical axis alignment device, including for by the projecting subassembly of image projection to camera lens, drive camera lens
Swing below described projecting subassembly so that described camera lens and described projecting subassembly just to oscillating platform, for driving an image
Sensor move along X, Y, Z axis below described camera lens so that described imageing sensor and described camera lens just to mobile platform,
And electrically connect and control the master controller of the two coordination exercise with described oscillating platform and described mobile platform.
Described projecting subassembly includes light source and is located at below described light source and receives the light of described light source and by image
The film of projection extremely described camera lens.
Described projecting subassembly also includes that relay lens, described relay lens are arranged between the described film and described camera lens.
Also include that measurement jig and elastomeric connector, described measurement jig are arranged on described mobile platform, described image
Sensor is fixed on described measurement jig, and described elastomeric connector electrically connects described measurement jig and described master controller.
Described oscillating platform includes oscillating platform base, the first swing component, the second swing component and the 3rd swing component, described
First swing component is placed in described oscillating platform base top, passes through arc between described first swing component and described oscillating platform base
Face contacts, and described first swing component is swung in cambered surface by the first driving motor,
Described second swing component is placed in the front of described first swing component, described second swing component and described first swing component
Between contacted by cambered surface, described second swing component by second driving motor swing in cambered surface,
Described 3rd swing component is placed in the front of described second swing component, described 3rd swing component and described second swing component
Between contacted by cambered surface, described 3rd swing component by the 3rd driving motor swing in cambered surface, described 3rd swing component
Front is provided with the holder for clamping camera lens.
The top of described oscillating platform base is provided with the first arc-shaped guide rail, and the bottom of described first swing component is provided with and is placed in
The first arc-shaped rack in described first arc-shaped guide rail, described first drives motor to be placed on described oscillating platform base, described
First drives the outfan of motor to be provided with the first gear, and described first gear engages with described first arc-shaped rack；
The front of described first swing component is provided with the second arc-shaped guide rail, and the back side of described second swing component is provided with and is placed in institute
Stating the second arc-shaped rack in the second arc-shaped guide rail, described second drives motor to be located on described first swing component, and described second
The outfan driving motor is provided with the second gear, and described second gear engages with described second arc-shaped rack；
The front of described second swing component is provided with the 3rd arc-shaped guide rail, and the back side of described 3rd swing component is provided with and is placed in institute
Stating the 3rd arc-shaped rack in the 3rd arc-shaped guide rail, the described 3rd drives motor to be located on described second swing component, and the described 3rd
The outfan driving motor is provided with the 3rd gear, and described 3rd gear engages with described 3rd arc-shaped rack.
The top of described oscillating platform base is additionally provided with first arc guide groove parallel with described first arc-shaped guide rail, institute
State the bottom of the first swing component be provided with can in described first arc guide groove the first gib block of sliding；
The front of described first swing component is additionally provided with second arc guide groove parallel with described second arc-shaped guide rail, described
The back side of the second swing component be provided with can in described second arc guide groove the second gib block of sliding；
The front of described second swing component is additionally provided with threeth arc guide groove parallel with described 3rd arc-shaped guide rail, described
The back side of the 3rd swing component be provided with can in described 3rd arc guide groove the 3rd gib block of sliding.
Described holder includes two clamping limbs being oppositely arranged, and the end of clamping limb described in two bends inwards respectively to be formed and uses
Claw in clamping camera lens.
Described mobile platform includes mobile platform base, is located on described mobile platform base and can move along Y direction
Y moving assembly, be located on described Y moving assembly and can be along the Z moving assembly that Z-direction moves and be located at described Z and move
On assembly and the X moving assembly that can move along X-direction, described imageing sensor is placed on described X moving assembly.
Described mobile platform base is provided with the first motor and the first slide rail, and described first slide rail extends along Y-axis, and described the
The outfan of one motor connects one first screw mandrel, and described first screw mandrel is parallel with described first slide rail, and described Y moving assembly includes
First slide block and be located at the first feed screw nut below described first slide block, described first feed screw nut is sheathed on described first
On screw mandrel, the bottom of described first slide block is provided with the first chute coordinated with described first slide rail；
Described first slide block is provided with the second motor and the second slide rail, and described second slide rail extends along Z axis, described second electricity
The outfan of machine connects one second screw mandrel, and described second screw mandrel is parallel with described second slide rail, and described Z moving assembly includes second
Slide block and be located at the second feed screw nut of described second slide block side, described second feed screw nut is sheathed on described second screw mandrel
On, the side of described second slide block is provided with the second chute coordinated with described second slide rail；
Described second slide block is provided with the 3rd motor and the 3rd slide rail, and described 3rd slide rail extends along Y-axis, described 3rd electricity
The outfan of machine connects one the 3rd screw mandrel, and described 3rd screw mandrel is parallel with described 3rd slide rail, and described X moving assembly includes the 3rd
Slide block and be located at the 3rd feed screw nut below described 3rd slide block, described 3rd feed screw nut is sheathed on described 3rd screw mandrel
On, the bottom of described 3rd slide block is provided with the 3rd chute coordinated with described 3rd slide rail.
Compared with prior art, the beneficial effects of the utility model:
This utility model is provided for driving the oscillating platform of rotation of lens, and for driving the XYZ of imageing sensor
The mobile platform that three axles move, is realized any change of the camera lens relative position with imageing sensor, passes through by two platforms
The assembling of the fast accurate of mechanical automation control realization picture shooting assembly.
Accompanying drawing explanation
Fig. 1 is the camera lens optical axis alignment device that this utility model provides；
Fig. 2 is the partial enlarged drawing of region I in Fig. 1；
Fig. 3 is the structural representation of the mobile platform that this utility model provides；
Fig. 4 is the exploded view of the mobile platform that this utility model provides；
Fig. 5 is the structural representation of the oscillating platform that this utility model provides；
Fig. 6 is the exploded view of the oscillating platform that this utility model provides；
Fig. 7 is the structured flowchart of the master controller that this utility model provides；
Fig. 8 is the structured flowchart of the master controller that this utility model provides.
Accompanying drawing indicates explanation
1, picture shooting assembly, 11, camera lens, 12, imageing sensor,
2, mobile platform, 21a, the first motor, 22a, the first screw mandrel, 23a, the first nut, 24a, the first slide rail, 25a,
One chute, 26a, the first slide block, 27a, mobile platform base,
21b, the second motor, 22b, the second screw mandrel, 23b, the second nut, 24b, the second slide rail, 25b, the second chute, 26b,
Second slide block, 27b, the second installing plate,
21c, the 3rd motor, 22c, the 3rd screw mandrel, 23c, the 3rd nut, 24c, the 3rd slide rail, 25c, the 3rd chute, 26c,
3rd slide block, 27c, the 3rd installing plate, the 28, first fixed plate, the 29, second fixed plate,
3, oscillating platform, 31a, the first swing component, 32a, the first arc-shaped guide rail, 33a, the first arc guide groove, 34a,
One gib block, 35a, the first arc-shaped rack, 36a, the first driving motor, 37a, the first gear,
31b, the second swing component, 32b, the second arc-shaped guide rail, 33b, the second arc guide groove, 34b, the second gib block,
35b, the second arc-shaped rack, 36b, the second driving motor, 37b, the second gear,
31c, the 3rd swing component, 32c, the 3rd arc-shaped guide rail, 33c, the 3rd arc guide groove, 34c, the 3rd gib block,
35c, the 3rd arc-shaped rack, 36c, the 3rd drive motor, 37c, the 3rd gear, and 38, oscillating platform base,
4, projecting subassembly, 41, the film, 42, relay lens, 43, light source,
5, measurement jig,
6, elastomeric connector,
7, holder, 71, clamping limb, 72, claw.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing and enforcement
Example, is further elaborated to this utility model.Should be appreciated that specific embodiment described herein is only in order to explain
This utility model, is not used to limit this utility model.
It should be noted that when element is referred to as " being fixed on " or " being arranged at " another element, and it can be directly separately
On one element or may be simultaneously present centering elements.When an element is referred to as " being connected to " another element, and it is permissible
It is directly to another element or may be simultaneously present centering elements.
Also, it should be noted the orientation term such as left and right, upper and lower in the present embodiment, be only each other relative concept or
With the normal operating condition of product as reference, and should not be regarded as restrictive.
Below in conjunction with accompanying drawing this utility model embodiment implemented and be described in further detail.
As shown in Figure 1 and Figure 2, this utility model is a kind of device for assembling picture shooting assembly 1, and picture shooting assembly 1 includes mirror
11 and imageing sensor 12, in the present embodiment, camera lens 1 also includes optical lens, and this utility model is mainly used for camera lens 11
Optical axis alignment, including for by the projecting subassembly 4 of image projection to camera lens 11, drive camera lens 11 below described projecting subassembly 4
Swing so that described camera lens 11 and described projecting subassembly 4 just to oscillating platform 3, for drive one imageing sensor 12 described
Move along X, Y, Z axis below camera lens 11 so that described imageing sensor 12 and described camera lens 11 just to mobile platform 2, Yi Jiyu
Described oscillating platform 3 and described mobile platform 2 electrically connect and control the master controller of the two coordination exercise.
This utility model is provided for the oscillating platform 3, Yi Jiyong driving camera lens 11 around the optical center rotation of camera lens 11
In drive described imageing sensor 12 the mobile platform 2 moved along XYZ tri-axle, by two platforms realize camera lens 11 relative to
Any change of the position of imageing sensor 12, by the assembling of the fast accurate of mechanical automation control realization picture shooting assembly 1.
Further, described projecting subassembly 4 includes light source 43 and is located at below described light source 43 and receives described light source
The light of 43 by the film 41 of image projection to described camera lens 11, completes the image projection in the film 41 by projecting subassembly 4
To camera lens 11.
Further, described projecting subassembly 4 also includes that relay lens 42, described relay lens 42 are arranged at the described film 41 and institute
Stating between camera lens 11, described relay lens 42 is arranged between the described film 41 and described camera lens 11, and light source 43 is irradiated to the film 41
Afterwards, through relay lens 42 increment, reprojection to camera lens 11, bigger image is formed with this, it is simple to the survey calculation of MTF.
The present embodiment also includes that measurement jig 5 and elastomeric connector 6, described measurement jig 5 are arranged at described mobile platform 2
On, described imageing sensor 12 is fixed on described measurement jig 5, described elastomeric connector 6 electrically connect described measurement jig 5 with
Described master controller, in the present embodiment, by elastic bending or elastic stretch, elastomeric connector 6 guarantees that mobile platform 2 moves
Time imageing sensor 12 effectively can be connected with master controller.
In the present embodiment, as it is shown in figure 5, described oscillating platform 3 include oscillating platform base the 38, first swing component 31a,
Two swing component 31b and the 3rd swing component 31c, described first swing component 31a are placed in described oscillating platform base 38 top, described
Being contacted by cambered surface between first swing component 31a with described oscillating platform base 38, described first swing component 31a drives by first
Galvanic electricity machine 36a swings in cambered surface；
Described second swing component 31b is placed in the front of described first swing component 31a, and described second swing component 31b is with described
Being contacted by cambered surface between first swing component 31a, described second swing component 31b is put in cambered surface by the second driving motor 36b
Dynamic；
Described 3rd swing component 31c is placed in the front of described second swing component 31b, and described 3rd swing component 31c is with described
Being contacted by cambered surface between second swing component 31b, described 3rd swing component 31c is put in cambered surface by the 3rd driving motor 36c
Dynamic, the front of described 3rd swing component 31c is provided with the holder 7 for clamping camera lens 11.
Further,
As shown in Figure 6, the top of described oscillating platform base 38 is provided with the first arc-shaped guide rail 32a, described first swing component
The bottom of 31a is provided with the first arc-shaped rack 35a being placed in described first arc-shaped guide rail 32a, and described first drives motor 36a
Being arranged on described oscillating platform base 38, described first drives the outfan of motor 36a to be provided with the first gear 37a, and described the
One gear 37a engages with described first arc-shaped rack 35a；
The front of described first swing component 31a is provided with the second arc-shaped guide rail 32b, and the back side of described second swing component 31b sets
Having a second arc-shaped rack 35b being placed in described second arc-shaped guide rail 32b, described second drives motor 36b to be located at described the
On one swing component 31a, described second drives the outfan of motor 36b to be provided with the second gear 37b, described second gear 37b and institute
State the second arc-shaped rack 35b engagement；
The front of described second swing component 31b is provided with the 3rd arc-shaped guide rail 32c, and the back side of described 3rd swing component 31c sets
Having a 3rd arc-shaped rack 35c being placed in described 3rd arc-shaped guide rail 32c, the described 3rd drives motor 36c to be located at described the
On two swing component 31b, the described 3rd drives the outfan of motor 36c to be provided with the 3rd gear 37c, described 3rd gear 37c and institute
State the 3rd arc-shaped rack 35c engagement.
More specifically,
The top of described oscillating platform base 38 is additionally provided with and described first the first parallel for arc-shaped guide rail 32a arcuate guide
Groove 33a, the bottom of described first swing component 31a be provided with can in described first arc guide groove 33a the first gib block of sliding
34a；
The front of described first swing component 31a is additionally provided with and described second the second parallel for arc-shaped guide rail 32b arcuate guide
Groove 33b, the back side of described second swing component 31b be provided with can in described second arc guide groove 33b the second gib block of sliding
34b；
The front of described second swing component 31b is additionally provided with and described 3rd the 3rd parallel for arc-shaped guide rail 32c arcuate guide
Groove 33c, the back side of described 3rd swing component 31c be provided with can in described 3rd arc guide groove 33c the 3rd gib block of sliding
34c, described camera lens 11 is connected by described holder 7 is fixing with described 3rd swing component 31c.
As shown in Fig. 2, Fig. 5, Fig. 6, described holder 7 includes two clamping limbs 71 being oppositely arranged, clamping limb 71 described in two
End respectively bend inwards formation for the claw 72 clamping camera lens 11.
Defined three rotating shafts of camera lens 11 optical center, the respectively first rotating shaft, the second rotating shaft, the 3rd rotating shaft, three
Rotating shaft intersects at the optical center of camera lens 11 jointly.The wherein movement locus place of the vertical first gib block 34a of the first rotating shaft
Plane, the plane at the movement locus place of the vertical second gib block 34b of the second rotating shaft, the 3rd vertical 3rd gib block 34c of rotating shaft
The plane at movement locus place, wherein, the second rotating shaft and the 3rd rotating shaft are revolved around the first rotating shaft with the rotation of the first swing component 31a
Turning, the 3rd rotating shaft also rotates around the second rotating shaft with the rotation of the second swing component 31b.
In the present embodiment, described mobile platform 2 includes mobile platform base 27a, is located on described mobile platform base 27a
And can be along the Y moving assembly that Y direction moves, the Z moving assembly being located on described Y moving assembly and can move along Z-direction
And the X moving assembly be located on described Z moving assembly and can move along X-direction, described imageing sensor 12 is placed in described X
On moving assembly.
Specifically,
As shown in Figure 3, Figure 4, described mobile platform base 27a is provided with the first motor 21a and the first slide rail 24a, described
First slide rail 24a extends along Y-axis, and the outfan of described first motor 21a connects one first screw mandrel 22a, described first screw mandrel 22a
Parallel with described first slide rail 24a, described Y moving assembly includes the first slide block 26a and is located at below described first slide block 26a
The first nut 23a, described first nut 23a be sheathed on described first screw mandrel 22a, the bottom of described first slide block 26a sets
There is the first chute 25a coordinated with described first slide rail 24a；
Described first slide block 26a is provided with the second motor 21b and the second slide rail 24b, described second slide rail 24b and prolongs along Z axis
Stretching, the outfan of described second motor 21b connects one second screw mandrel 22b, described second screw mandrel 22b and described second slide rail 24b
Parallel, described Z moving assembly includes the second slide block 26b and is located at the second nut 23b of described second slide block 26b side, institute
Stating the second nut 23b to be sheathed on described second screw mandrel 22b, the side of described second slide block 26b is additionally provided with sliding with described second
The second chute 25b that rail 24b coordinates；
Described second slide block 26b is provided with the 3rd motor 21c and the 3rd slide rail 24c, described 3rd slide rail 24c and prolongs along X-axis
Stretching, the outfan of described 3rd motor 21c connects one the 3rd screw mandrel 22c, described 3rd screw mandrel 22c and described 3rd slide rail 24c
Parallel, described X moving assembly includes the 3rd slide block 26c and is located at the 3rd nut 23c below described 3rd slide block 26c, institute
Stating the 3rd nut 23c to be sheathed on described 3rd screw mandrel 22c, the bottom of described 3rd slide block 26c is provided with and described 3rd slide rail
The 3rd chute 25c that 24c coordinates, and described imageing sensor 12 is arranged at the top of described 3rd slide block 26c.
Further, also setting first fixed plate the 28, second fixed plate 29 in the present embodiment, the first fixed plate 28 is simultaneously with the
Two installing plate 27b, the first slide block 26a are fixing to be connected, and the first fixed plate 28 is to increase auxiliary on the basis of original attachment structure
Fixed structure, for strengthening the second installing plate 27b and the first slide block 26a bonding strength, the second fixed plate 29 is pacified with the 3rd simultaneously
Dress plate 27c, the second slide block 26b are fixing to be connected, and the first fixed plate 28 is that increase auxiliary is fixing on the basis of original attachment structure
Structure, for strengthening the 3rd installing plate 27c and the second slide block 26b bonding strength.
In the present embodiment, described master controller respectively with described first drive motor 36a, described second drive motor 36b,
Described 3rd drive motor 36c electrical connection, and respectively with described first motor 21a, described second motor 21b, the described 3rd
Motor 21c electrically connects, the startup of above-mentioned six motors of described main controller controls and stopping.
Described in described main controller controls, first drives motor 36a to drive described first swing component 31a to turn around the first rotating shaft
Dynamic, the second swing component 31b and the 3rd swing component 31c follows the first swing component 31a around the first axis of rotation simultaneously；Described main control
Device control described second drive motor 36b drive described second swing component 31b around the second axis of rotation, the 3rd swing component simultaneously
31c follows the second swing component 31b around the second axis of rotation；Described in described main controller controls, the 3rd drives motor 36c to drive institute
Stating the 3rd swing component 31c around the 3rd axis of rotation, camera lens 11 follows the 3rd swing component 31c around the 3rd axis of rotation simultaneously.
First motor 21a described in described main controller controls drives described first slide block 26a to move along the first slide rail 24a,
Second slide block 26b and the 3rd slide block 26c follows the first slide block 26a and moves simultaneously；Second motor described in described main controller controls
21b drives described second slide block 26b to move along described second slide rail 24b, and the 3rd slide block 26c follows the second slide block 26b shifting simultaneously
Dynamic；3rd motor 21c described in described main controller controls drives described 3rd slide block 26c to move along the 3rd slide rail 24c, schemes simultaneously
Follow the 3rd slide block 26c as sensor 12 to move.
Further, the multiple region of the image division in the film 41 in the present embodiment.
Specifically, a central area and at least three are at least divided during the image division in the film 41 around center
Equally distributed outer region, territory.Preferably outer region centrosymmetry is arranged, the center in region centered by symmetrical centre, as arranged
One central area and four outer regions, the centrosymmetry of cincture central area, four outer regions is arranged.Centrosymmetry sets
When putting, symmetrical two ends are easily formed the contrast of maximum, it is simple to calculate the maximum obtaining each area image MTF extreme difference.
In the present embodiment, the image projection imaging in the film 41 is to imageing sensor 12, is progressively moved by main controller controls
Moving platform 2 and oscillating platform 3, adjust the depth of parallelism between camera lens 11 and imageing sensor 12 and distance, and master controller gathers every
MTF extreme difference percentage ratio between extreme difference and each region of the image of one movement step the image MTF that calculates each region, when
Complete the location of camera lens 11 and imageing sensor 12 when MTF extreme difference percentage ratio is less than predetermined threshold value, quickly find imaging clearly
Spend the correspondence position of uniform camera lens 11 and imageing sensor 12.
As it is shown in fig. 7, the present embodiment master controller includes motion-control module, image capture module and computing module, institute
State motion-control module specifically for motion control card, motion control card drive with described first respectively motor 36a, described the
Two drive motor 36b, the described 3rd drive motor 36c electrical connection, described first motor 21a, described second motor 21b, described
3rd motor 21c electrical connection.The servomotor being prone to accurately control selected by above-mentioned motor, and motion control card sends pulse to servo
Motor, is precisely controlled oscillating platform 3 and mobile platform 2 by servomotor, controls mobile platform 2 and makes imageing sensor 12 He
Camera lens 11 aligns, and especially controls oscillating platform 3 and rotates according to the less angle specified.
Described image capture module, connects imageing sensor 12, is used for gathering the film 41 image, and computing module is used for calculating
Rotating shaft selection, the anglec of rotation calculate the MTF extreme difference hundred after each step is moved between extreme difference and the region of the image MTF in each region
Proportion by subtraction.
Oscillating platform 3 described in described motor control card control progressively rotates, until the MTF extreme difference percentage ratio between region is equal
Stop less than when presetting MTF extreme difference percentage threshold.
Further, as it is shown in fig. 7, computing module includes:
Mtf value detection module, the MTF in all regions in the film 41 image detecting the shooting of described camera lens 11 respectively
Value, chooses the minimum region of mtf value as region to be adjusted；
MTF extreme difference computing module, for calculating the MTF extreme difference between other each regions and described region to be adjusted respectively,
Rotating shaft is chosen according to the region that MTF extreme difference between described region to be adjusted is maximum；
Anglec of rotation computing module, for according to the mtf value in described region to be adjusted, preset standard mtf value with described treat
The calibration factor of adjustment region, calculate described camera lens 11 treats the anglec of rotation；
Loop module, for returning the step of the mtf value of zones of different in the image calculating the shooting of described camera lens 11 respectively,
It is respectively less than until the MTF extreme difference percentage ratio between all regions in described image when presetting MTF extreme difference percentage threshold and stops；
Calibration factor computing module, be used for precalculating described camera lens 11 along its rotating shaft rotate time, all in described image
Calibration factor corresponding to region；
MTF parameter setting module, is used for pre-setting standard mtf value and MTF extreme difference percentage threshold.
As shown in Figure 8, described calibration factor computing module includes:
Preliminary assembly unit, for tentatively assembling camera lens 11 and imageing sensor 12, sets the most described camera lens
11 along rotating shaft rotate the anglec of rotation be 0；
Mtf value excursion computing unit, for predetermined angle increment, controls described camera lens 11 respectively and exists along its rotating shaft
Rotate in the range of predetermined angle, and detect the mtf value excursion in all regions in described image respectively；
Calibration factor computing unit, for according to described predetermined angle scope and described mtf value excursion, calculates described
Camera lens 11 along its all default rotating shafts rotate time, calibration factor corresponding to all regions in described image.
By alignment device and the alignment methods of above-mentioned camera lens 11 in the present embodiment, by iterative mode of approaching, iteration
The condition of convergence be overall situation MTF higher than certain threshold value, the extreme difference percentage ratio of the MTF of imaging zones of different simultaneously is less than certain threshold value,
Automatically obtain and there is camera lens 11 and the correspondence position of imageing sensor 12 that imaging definition is evenly distributed.The present embodiment also sets
Putting feed mechanism, cutting agency, feed mechanism automatically moves imageing sensor 12 and arrives measurement jig 5, automatically moves camera lens 11 and arrives
On holder 7；The assembly that during blanking, then automatic Picking is made up of camera lens 11 and imageing sensor 12 is to downstream assembly station.
These are only preferred embodiment of the present utility model, not in order to limit this utility model, all in this practicality
Any amendment, equivalent and the improvement etc. made within novel spirit and principle, should be included in guarantor of the present utility model
Within the scope of protecting.
Claims (10)
1. an optical lens optical axis alignment device, it is characterised in that: include for by the projecting subassembly of image projection to camera lens,
Drive camera lens swing below described projecting subassembly so that described camera lens and described projecting subassembly just to oscillating platform, be used for carrying
A dynamic imageing sensor move along X, Y, Z axis below described camera lens so that described imageing sensor and described camera lens just to shifting
Moving platform, and electrically connect and control the master controller of the two coordination exercise with described oscillating platform and described mobile platform.
2. a kind of optical lens optical axis alignment device as claimed in claim 1, it is characterised in that: described projecting subassembly includes light
Source and be located at below described light source and receive the light of described light source and by image projection to the film of described camera lens.
3. a kind of optical lens optical axis alignment device as claimed in claim 2, it is characterised in that: described projecting subassembly also includes
Relay lens, described relay lens is arranged between the described film and described camera lens.
4. a kind of optical lens optical axis alignment device as described in claims 1 to 3 any one, it is characterised in that: also include
Measurement jig and elastomeric connector, described measurement jig is arranged on described mobile platform, and described imageing sensor is fixed on institute
Stating on measurement jig, described elastomeric connector electrically connects described measurement jig and described master controller.
5. a kind of optical lens optical axis alignment device as claimed in claim 1, it is characterised in that: described oscillating platform includes pendulum
Moving platform base, the first swing component, the second swing component and the 3rd swing component, described first swing component is placed in described oscillating platform
Base top, is contacted by cambered surface between described first swing component with described oscillating platform base, and described first swing component passes through
First drives motor to swing in cambered surface,
Described second swing component is placed in the front of described first swing component, between described second swing component and described first swing component
Being contacted by cambered surface, described second swing component is swung in cambered surface by the second driving motor,
Described 3rd swing component is placed in the front of described second swing component, between described 3rd swing component and described second swing component
Being contacted by cambered surface, described 3rd swing component is swung in cambered surface by the 3rd driving motor, the front of described 3rd swing component
It is provided with the holder for clamping camera lens.
6. a kind of optical lens optical axis alignment device as claimed in claim 5, it is characterised in that: described oscillating platform base
Top is provided with the first arc-shaped guide rail, and the bottom of described first swing component is provided with the first arc being placed in described first arc-shaped guide rail
Shape tooth bar, described first drives motor to be placed on described oscillating platform base, and described first drives the outfan of motor to be provided with the
One gear, described first gear engages with described first arc-shaped rack；
The front of described first swing component is provided with the second arc-shaped guide rail, and the back side of described second swing component is provided with and is placed in described
The second arc-shaped rack in two arc-shaped guide rails, described second drives motor to be located on described first swing component, and described second drives
The outfan of motor is provided with the second gear, and described second gear engages with described second arc-shaped rack；
The front of described second swing component is provided with the 3rd arc-shaped guide rail, and the back side of described 3rd swing component is provided with and is placed in described
The 3rd arc-shaped rack in three arc-shaped guide rails, the described 3rd drives motor to be located on described second swing component, and the described 3rd drives
The outfan of motor is provided with the 3rd gear, and described 3rd gear engages with described 3rd arc-shaped rack.
7. a kind of optical lens optical axis alignment device as claimed in claim 6, it is characterised in that: described oscillating platform base
Top is additionally provided with first arc guide groove parallel with described first arc-shaped guide rail, and the bottom of described first swing component is provided with can be in
First gib block of sliding in described first arc guide groove；
The front of described first swing component is additionally provided with second arc guide groove parallel with described second arc-shaped guide rail, and described second
The back side of swing component be provided with can in described second arc guide groove the second gib block of sliding；
The front of described second swing component is additionally provided with threeth arc guide groove parallel with described 3rd arc-shaped guide rail, and the described 3rd
The back side of swing component be provided with can in described 3rd arc guide groove the 3rd gib block of sliding.
8. a kind of optical lens optical axis alignment device as described in any one of claim 5 to 7, it is characterised in that: described clamping
Part includes two clamping limbs being oppositely arranged, and the end of clamping limb described in two bends inwards formation respectively for the card clamping camera lens
Pawl.
9. a kind of optical lens optical axis alignment device as claimed in claim 1, it is characterised in that: described mobile platform includes moving
Moving platform base, be located on described mobile platform base and can along the Y moving assembly that Y direction moves, be located at described Y and move group
On part and can move along the Z moving assembly that Z-direction moves and the X being located on described Z moving assembly and can moving along X-direction
Dynamic assembly, described imageing sensor is placed on described X moving assembly.
10. a kind of optical lens optical axis alignment device as claimed in claim 9, it is characterised in that: described mobile platform base
Being provided with the first motor and the first slide rail, the outfan of described first motor connects one first screw mandrel, described first screw mandrel and institute
Stating the first slide rail parallel, described Y moving assembly includes the first slide block and is located at the first screw mandrel spiral shell below described first slide block
Mother, described first feed screw nut is sheathed on described first screw mandrel, and the bottom of described first slide block is provided with and described first slide rail
The first chute coordinated；
Described first slide block is provided with the second motor and the second slide rail, and the outfan of described second motor connects one second screw mandrel,
Described second screw mandrel is parallel with described second slide rail, and described Z moving assembly includes the second slide block and is located at described second slide block
Second feed screw nut of side, described second feed screw nut is sheathed on described second screw mandrel, and the side of described second slide block sets
There is the second chute coordinated with described second slide rail；
Described second slide block is provided with the 3rd motor and the 3rd slide rail, and the outfan of described 3rd motor connects one the 3rd screw mandrel,
Described 3rd screw mandrel is parallel with described 3rd slide rail, and described X moving assembly includes the 3rd slide block and is located at described 3rd slide block
3rd feed screw nut of lower section, described 3rd feed screw nut is sheathed on described 3rd screw mandrel, and the bottom of described 3rd slide block sets
There is the 3rd chute coordinated with described 3rd slide rail.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620615626.8U CN205809446U (en) | 2016-06-21 | 2016-06-21 | A kind of optical lens optical axis alignment device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620615626.8U CN205809446U (en) | 2016-06-21 | 2016-06-21 | A kind of optical lens optical axis alignment device |
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| CN205809446U true CN205809446U (en) | 2016-12-14 |
Family
ID=57505896
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620615626.8U Active CN205809446U (en) | 2016-06-21 | 2016-06-21 | A kind of optical lens optical axis alignment device |
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| CN107597506A (en) * | 2017-11-01 | 2018-01-19 | 珠海三威注塑模具有限公司 | Automatic refilling equipment |
| CN107741647A (en) * | 2017-11-23 | 2018-02-27 | 广东弘景光电科技股份有限公司 | Applied to the hoistable platform on camera module automatic focusing assembly equipment |
| CN107755998A (en) * | 2017-11-23 | 2018-03-06 | 广东弘景光电科技股份有限公司 | Applied to the clamping manipulator on camera module automatic focusing assembly equipment |
| CN107806462A (en) * | 2017-11-23 | 2018-03-16 | 广东弘景光电科技股份有限公司 | Camera module automatic focusing assembly equipment |
| CN107830032A (en) * | 2017-11-23 | 2018-03-23 | 广东弘景光电科技股份有限公司 | Camera module automatic focusing assembly method |
| CN109425997A (en) * | 2017-09-05 | 2019-03-05 | 奇景光电股份有限公司 | Projection lens assembles equipment |
| CN110320010A (en) * | 2019-07-05 | 2019-10-11 | 舜宇光学(中山)有限公司 | A kind of camera lens MTF detecting tool and calibration method |
| TWI697696B (en) * | 2019-04-25 | 2020-07-01 | 揚明光學股份有限公司 | Workpiece rotation assembly system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109425997A (en) * | 2017-09-05 | 2019-03-05 | 奇景光电股份有限公司 | Projection lens assembles equipment |
| CN109425997B (en) * | 2017-09-05 | 2021-01-26 | 奇景光电股份有限公司 | Projection lens assembling equipment |
| CN107597506A (en) * | 2017-11-01 | 2018-01-19 | 珠海三威注塑模具有限公司 | Automatic refilling equipment |
| CN107741647A (en) * | 2017-11-23 | 2018-02-27 | 广东弘景光电科技股份有限公司 | Applied to the hoistable platform on camera module automatic focusing assembly equipment |
| CN107755998A (en) * | 2017-11-23 | 2018-03-06 | 广东弘景光电科技股份有限公司 | Applied to the clamping manipulator on camera module automatic focusing assembly equipment |
| CN107806462A (en) * | 2017-11-23 | 2018-03-16 | 广东弘景光电科技股份有限公司 | Camera module automatic focusing assembly equipment |
| CN107830032A (en) * | 2017-11-23 | 2018-03-23 | 广东弘景光电科技股份有限公司 | Camera module automatic focusing assembly method |
| TWI697696B (en) * | 2019-04-25 | 2020-07-01 | 揚明光學股份有限公司 | Workpiece rotation assembly system |
| CN110320010A (en) * | 2019-07-05 | 2019-10-11 | 舜宇光学(中山)有限公司 | A kind of camera lens MTF detecting tool and calibration method |
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Inventor after: Huang Hui Inventor after: Wang Huamao Inventor after: Liu Jianhui Inventor after: Luo Jingdong Inventor before: Li Heyi Inventor before: Huang Hui Inventor before: Xie Yu |
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Effective date of registration: 20170301 Address after: 518000 Shenzhen City, Baoan District Province, Xixiang street, Aberdeen Road, No. 44 veterans industrial city, a building, floor 2 (West) Patentee after: Shenzhen Rui Sheng Automation Technology Co., Ltd. Address before: 518000 Shenzhen City, Baoan District Province, Xixiang street, Aberdeen Road, No. 44 veterans industrial city, a building, floor 2 (West) Patentee before: SHENZHEN DINGDIAN VISUAL AUTOMATION TECHNOLOGY CO., LTD. |
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Address after: 518000 Shenzhen City, Baoan District Province, Xixiang street, Aberdeen Road, No. 44 veterans industrial city, a building, floor 2 (West) Patentee after: Shenzhen Rui Sheng Automation Technology Co., Ltd. Address before: 518000 Shenzhen City, Baoan District Province, Xixiang street, Aberdeen Road, No. 44 veterans industrial city, a building, floor 2 (West) Patentee before: Shenzhen Rui Sheng Automation Technology Co., Ltd. |
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