CN109940360A - Lens clamp device and its clamping method - Google Patents
Lens clamp device and its clamping method Download PDFInfo
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- CN109940360A CN109940360A CN201910285985.XA CN201910285985A CN109940360A CN 109940360 A CN109940360 A CN 109940360A CN 201910285985 A CN201910285985 A CN 201910285985A CN 109940360 A CN109940360 A CN 109940360A
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- lens
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- visual pattern
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Abstract
The present embodiments relate to semiconductor laser field, disclosing a kind of lens clamp device and its clamping method, lens clamp device includes charging tray, collet, collet adjustment mechanism and visual pattern testing agency, and charging tray is for placing lens；The camera lens of visual pattern testing agency is towards charging tray, to measure the position of lens；The input terminal of collet adjustment mechanism is connected to visual pattern testing agency, and the output end of collet adjustment mechanism is connected to collet, to adjust the position of collet according to the position of lens.The position of lens is measured by visual pattern testing agency, and the location information of lens is passed into collet adjustment mechanism, and collet adjustment mechanism adjusts the position of collet further according to the position for measuring resulting lens, improves the accuracy of clamping process.The automation of lens clamping process, continuous operation may be implemented in the lens clamp device, improves the efficiency of clamping process, saves manpower and time.
Description
Technical field
The present embodiments relate to semiconductor laser field more particularly to a kind of lens clamp device and its clampings
Method.
Background technique
Semiconductor laser is the P-N junction diode with light feed back function using semiconductor material as operation material,
Compared with solid state laser and gas laser, has many advantages, such as compact-sized, high reliablity efficient stable, answered extensively
For being machined, material processing, weapon manufacture and the industries such as laser display.And bigger output power in order to obtain, usually
Many single semiconductor lasers are grouped together into array, obtain high-power semiconductor laser.But due to non-right
Claiming the influence of optical waveguide, the laser beam quality in the horizontal and vertical directions which issues differs greatly, there are astigmatism,
Cause luminous point sparse in spatial distribution, output light energy is not concentrated.Therefore beam shaping method must be used, to solve
The problem that beam quality is poor, power density is low.Beam shaping method generallys use lens to adjust the diverging on the fast direction of light beam
Angle, due to the geometric dimension very little of lens, to the installation of lens difficulty with higher.
Currently, generalling use manual clamping in the prior art, manual operation tweezers clipped lens are needed, chucking power is unstable
Fixed, randomness is larger.Moreover, the clip position manually clamped is uncertain, it is easy to pollute the working face of lens.Especially
It for high-power semiconductor laser, needs that multiple lens are continuously installed, according to manual operation, then installation effectiveness is low, takes
When it is laborious.
Summary of the invention
The embodiment of the present invention provides a kind of lens clamp device and its clamping method, artificial to solve to need in the prior art
The defect of lens is clamped, realizes the automatic operation of lens clamping.
The embodiment of the present invention provides a kind of lens clamp device, including charging tray, collet, collet adjustment mechanism and visual pattern
Testing agency, the charging tray is for placing lens；The camera lens of the visual pattern testing agency is towards the charging tray, to measure
State the position of lens；The input terminal of the collet adjustment mechanism is connected to the visual pattern testing agency, the collet adjustment
The output end of mechanism is connected to the collet, to adjust the position of the collet according to the position of the lens.
Wherein, the charging tray is equipped at least one lens placing groove, and the centre of the bottom of the lens placing groove opens up
There is first through hole, at least one side wall of the lens placing groove offers second along the depth direction of the lens placing groove and leads to
Hole.
Wherein, the visual pattern testing agency further includes light source, the light source towards the camera lens, and the light source with
The distance between described camera lens is more than or equal to the distance between the charging tray and the camera lens.
Wherein, the visual pattern testing agency further includes imaging sensor, the input terminal connection of described image sensor
In the camera lens, the output end of described image sensor is connected to the collet adjustment mechanism.
Wherein, the collet adjustment mechanism includes the first X-axis slide unit, Z axis slide unit, three dimensional angular displacement platform；The Z axis is sliding
The guide rail of platform is connected to the sliding block of the first X-axis slide unit, and the sliding block of the Z axis slide unit is connected to the three dimensional angular displacement platform
Pedestal, the output end of the three dimensional angular displacement platform is connected to the collet.
It wherein, further include charging tray adjustment mechanism, the charging tray adjustment mechanism includes the second X-axis slide unit and Y-axis slide unit；It is described
The guide rail of Y-axis slide unit is connected to the sliding block of the second X-axis slide unit, and the sliding block of the Y-axis slide unit is connected to the charging tray.
The embodiment of the present invention provides a kind of lens clamping method using said lens clamp device, comprising the following steps:
Lens are placed on charging tray；
The position of the lens is obtained using visual pattern testing agency；
The location information of the lens is passed to collet adjustment mechanism, the collet tune by the visual pattern testing agency
Complete machine structure calculates clamping position according to the position of the lens；
The collet adjustment mechanism adjusts position to the clamping position of collet；
The lens are clamped using the collet.
Wherein, the position that the lens are obtained using visual pattern testing agency, comprising the following steps:
Using first through hole transmitted ray, the image of the side of the lens is obtained, calculates the side of the lens and pre-
If the angle value between reference line, obtains lens inclination；
When the quantity of the second through-hole is one, then the second through-hole transmitted ray is utilized, obtains the of the lens
The image of one end face obtains the location information of the first end face of the lens, is calculated according to the length gauge of the lens described
The location information of the second end face of mirror；
When the quantity of the second through-hole is two, then the first end face of the lens is obtained using two second through-holes
With the image of second end face, the first end face of the lens and the location information of second end face are obtained.
Wherein, the collet adjustment mechanism adjusts position to the clamping position of the collet, comprising the following steps:
The collet is moved to the top of the lens by initial position, the difference in height of the collet and the lens is
Preset height；
The position that the collet is obtained using the visual pattern testing agency rotates the folder according to the lens inclination
Head makes the clamping face of the collet be parallel to the side of the lens；
The clamping face of the collet and the distance between the side of the lens are calculated, translation distance is obtained；
The collet is moved to the clamping position according to the translation distance and the preset height.
Wherein, after the position for obtaining the lens using visual pattern testing agency, in the visual pattern
It is further comprising the steps of before the location information of the lens is passed to collet adjustment mechanism by testing agency:
Obtain lens position deviation preset value；
Calculate the deviation between the position of the lens and standard lens position；
Compare the size between the deviation and the lens position deviation preset value；
If the deviation is greater than the lens position deviation preset value, stop clamping operation, and issue prompt information,
To prompt staff to reappose lens；
If the deviation is less than or equal to the lens position deviation preset value, detected using the visual pattern
The location information of the lens is passed to the collet adjustment mechanism by mechanism.
Lens clamp device provided in an embodiment of the present invention and its clamping method, are substituted manually by collet to clamp
Mirror reduces the randomness of clamping process, so that chucking power is more stable.Meanwhile people is substituted by visual pattern testing agency
The location information of lens is passed to collet adjustment mechanism to measure and judge by eye, and collet adjustment mechanism is further according to measurement
The position of resulting lens adjusts the position of collet, improves the accuracy of clamping process, avoids to lens functions face
Pollution.Collet adjustment mechanism and visual pattern testing agency complement each other, and the automation, continuous of lens clamping process may be implemented
Change operation, improve the efficiency of clamping process, save manpower and time, also provides position ginseng for the installation of subsequent lens
It examines.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is this hair
Bright some embodiments for those of ordinary skill in the art without creative efforts, can be with root
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is the isometric view of one of embodiment of the present invention lens clamp device；
Fig. 2 is the isometric view at another visual angle of the lens clamp device in Fig. 1；
Fig. 3 is the enlarged diagram of the charging tray in the embodiment of the present invention；
Fig. 4 is the relative positional relationship schematic diagram of the lens placing groove and lens in the embodiment of the present invention；
Fig. 5 is the adjustment process schematic diagram of the collet in the embodiment of the present invention；
Description of symbols:
1: charging tray；11: lens placing groove；12: first through hole；
13: the second through-holes；14:T shape slot；2: collet；
2-1: the first position of collet；2-2: the second position of collet；2-3: the third place of collet；
2-4: the 4th position of collet；3: collet adjustment mechanism；31: the first X-axis slide units；
32:Z axis slide unit；33: three dimensional angular displacement platform；4: visual pattern testing agency；
41: camera lens；42: imaging sensor；43: camera lens adjusts platform；
44: light source；5: charging tray adjustment mechanism；51: the second X-axis slide units；
52:Y axis slide unit；53: charging tray mounting base；6: pedestal；
61: stand type support；7: lens；8: clamping position.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
Every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
In the description of the embodiment of the present invention, it should be noted that unless otherwise clearly defined and limited, term " the
One " " the second " " third " " the 4th " is the number in order to clearly illustrate product component progress, does not represent any essential distinction.
Direction shown in attached drawing is subject in "upper" "lower" " preceding " " rear " " left side " " right side " and the direction of " X-axis " " Y-axis " " Z axis ".For this
For the those of ordinary skill in field, can understand as the case may be above-mentioned term in embodiments of the present invention specifically contain
Justice.
It should be noted that unless otherwise clearly defined and limited, term " connection " shall be understood in a broad sense, for example, can
It, can also be indirectly connected through an intermediary to be to be connected directly.It for the ordinary skill in the art, can be specific
Situation understands concrete meaning of the above-mentioned term in inventive embodiments.
Fig. 1 is the isometric view of one of embodiment of the present invention lens clamp device, as shown in Figure 1, the present invention is real
A kind of lens clamp device of example offer, including charging tray 1, collet 2, collet adjustment mechanism 3 and visual pattern testing agency 4 are provided,
Charging tray 1 is for placing lens 7.Specifically, charging tray 1 is horizontally disposed, for placing the one side of lens 7 upward on charging tray 1.
The camera lens 41 of visual pattern testing agency 4 is towards charging tray 1, to measure the position of lens 7.Specifically, camera lens 41 is set
It is placed in the top of charging tray 1, and spaced apart with charging tray 1.
The input terminal of collet adjustment mechanism 3 is connected to visual pattern testing agency 4, and visual pattern testing agency 4 is surveyed
The location information for measuring resulting lens 7 sends collet adjustment mechanism 3 to.The output end of collet adjustment mechanism 3 is connected to collet 2,
To adjust the position of collet 2 according to the position of lens 7, clamping operation is realized.
A kind of lens clamp device provided in this embodiment is substituted manually to clamp lens by collet, reduces clamping
The randomness of process, so that chucking power is more stable.Meanwhile human eye is substituted to measure and sentence by visual pattern testing agency
It is disconnected, and the location information of lens is passed into collet adjustment mechanism, collet adjustment mechanism is further according to the position for measuring resulting lens
It sets to adjust the position of collet, improves the accuracy of clamping process, avoid the pollution to lens functions face.Collet adjusts machine
Structure and visual pattern testing agency complement each other, and automation, the continuous operation of lens clamping process may be implemented, improve folder
The efficiency for taking process saves manpower and time, also provides reference by location for the installation of subsequent lens.
Further, as depicted in figs. 1 and 2, visual pattern testing agency 4 further includes camera lens adjustment platform 43, camera lens adjustment
Platform 43 is fixed in stand type support 61.Before carrying out clamping operation, using camera lens adjustment platform 43 adjust camera lens 41 and charging tray 1 it
Between distance, allow lens 7 to obtain preferable image quality.In clamping operation process, no longer need to adjust the distance.
Further, as shown in figure 3, charging tray 1 is equipped at least one lens placing groove 11, the bottom of lens placing groove 11
Centre offer first through hole 12, at least one side wall of lens placing groove 11 is opened up along the depth direction of lens placing groove 11
There is the second through-hole 13.Specifically, the quantity of lens placing groove 11 can be one, or it is multiple, with more in the present embodiment
It is illustrated for a.As shown in figure 3, multiple lens placing grooves 11 are arranged in crossbar array formula.
As shown in figure 4, first through hole 12 is strip.The quantity of second through-hole 13 is one, and shape is circle, and is arranged
In the front end of lens placing groove 11.A T-slot 14 is arranged in the rear end of lens placing groove 11.When placing lens 7, before lens 7
End is located on the second through-hole 13, and the rear end of lens 7 is located on T-slot 14.
In addition to the foregoing, the quantity of the second through-hole 13 may be two, and be symmetrically disposed on lens placing groove
11 front-end and back-end.
Further, as shown in Fig. 2, visual pattern testing agency 4 further includes light source 44, light source 44 towards camera lens 41,
And the distance between light source 44 and camera lens 41 are more than or equal to the distance between charging tray 1 and camera lens 41.Specifically, light source 44 is set
It sets in the lower section of charging tray 1, light source 44 can be spaced a distance with charging tray 1, also can be arranged directly on the bottom of charging tray 1.
Light source 44 in the present embodiment is fixed on pedestal 6 by L shape supporting plate.
Further, visual pattern testing agency 4 further includes imaging sensor 42, the input terminal connection of imaging sensor 42
In camera lens 41, the output end of imaging sensor 42 is connected to collet adjustment mechanism 3.Specifically, imaging sensor 42 can use
Industrial camera, such as CCD camera or CMOS camera.The optical signal collected of camera lens 41 can be transformed into using industrial camera
Then electric signal is transferred to collet adjustment mechanism 3 by signal wire again.Industrial camera data-interface can be connect using Ethernet
Mouth, USB interface or other signaling interfaces.
Further, as shown in Fig. 2, collet adjustment mechanism 3 includes the first X-axis slide unit 31, Z axis slide unit 32, three dimensional angular position
Move platform 33.The guide rail of first X-axis slide unit 31 is fixed on pedestal 6, and the guide rail of Z axis slide unit 32 is connected to the first X-axis slide unit 31
Sliding block, the sliding block of Z axis slide unit 32 is connected to the pedestal of three dimensional angular displacement platform 33, and the output shaft of three dimensional angular displacement platform 33 connects
It is connected to collet 2.By the position of the adjustable collet 2 of the first X-axis slide unit 31 in the X-axis direction, can be adjusted by Z axis slide unit 32
The position of collet 2 in the Z-axis direction is saved, the three-dimensional perspective of the adjustable collet 2 of three dimensional angular displacement platform 33 is passed through.
Specifically, the first X-axis slide unit 31 and Z axis slide unit 32 include displacement sensor.Three dimensional angular displacement platform 33 includes X
Axis turntable, Y-axis turntable and Z axis turntable, each turntable include motor, concave surface seat, D-shaped plate and angle sensor
Device.In the present embodiment, the concave surface seat of Y-axis turntable is connected to the sliding block of Z axis slide unit 32, and the D-shaped plate of Y-axis turntable is connected to X
The concave surface seat of axis turntable, the D-shaped plate of X-axis turntable are connected to the concave surface seat of Z axis turntable, the D-shaped plate connection of Z axis turntable
In collet 2.
More specifically, collet 2 includes the folded upper grip and lower collet set of dislocation, the folder hook of upper grip is located at the folder of lower collet
The left side of hook.Upper grip is driven by the cylinder with lower collet, when cylinder operation, the folder hook phase of the folder hook and lower collet of upper grip
It mutually draws close, to clamp lens 7.The folder hook of upper grip in the middle part of the folder hook of lower collet synchronize offer strip groove, to clamp
During avoid the centres of lens 7, the i.e. working position of lens 7.
It further, as depicted in figs. 1 and 2, further include charging tray adjustment mechanism 5, charging tray adjustment mechanism 5 includes the second X-axis
Slide unit 51 and Y-axis slide unit 52.The guide rail of second X-axis slide unit 51 is fixed on pedestal 6, and the guide rail of Y-axis slide unit 52 is connected to the 2nd X
The sliding block of axis slide unit 51, the sliding block of Y-axis slide unit 52 are connected to charging tray 1.By the adjustable charging tray of the second X-axis slide unit 51 1 in X-axis
Position on direction passes through the position of the adjustable charging tray 1 of Y-axis slide unit 52 in the Y-axis direction.
Further, charging tray adjustment mechanism 5 further includes charging tray mounting base 53, and the bottom end of charging tray mounting base 53 is connected to Y
The sliding block of axis slide unit 52, the top of charging tray mounting base 53 are bolted to charging tray 1.By charging tray mounting base 53 by charging tray 1
Position convert to the lower section of camera lens 41.
A kind of lens using said lens clamp device provided in an embodiment of the present invention clamp method, including following step
It is rapid:
Lens 7 are placed on charging tray 1；
The position of lens 7 is obtained using visual pattern testing agency 4；
The location information of lens 7 is passed to collet adjustment mechanism 3 by visual pattern testing agency 4, and collet adjustment mechanism 3
Clamping position 8 is calculated according to the position of lens 7；
Collet adjustment mechanism 3 adjusts position to the clamping position 8 of collet 2；
Lens 7 are clamped using collet 2.
Further, a figure in Fig. 4 is the image of lens and lens placing groove that visual pattern testing agency takes,
B figure in Fig. 4 is the image of the lens that visual pattern testing agency obtains after calculation processing and lens placing groove.Such as Fig. 4
It is shown, using visual pattern testing agency 4 obtain lens 7 position the step for, including it is following step by step:
Using 12 transmitted ray of first through hole, the image of the side of lens 7 is obtained, calculate the side of lens 7 and presets ginseng
The angle value between line is examined, lens inclination α is obtained；
As shown in figure 4, then utilizing 13 transmitted ray of the second through-hole when the quantity of the second through-hole 13 is one, obtain saturating
The image of the front end face (i.e. first end face) of mirror 7, obtains the location information of the front end face of lens 7, according to the length H of lens 7, meter
Calculate the location information of the rear end face (i.e. second end face) of lens 7.
In addition, the (not shown) when the quantity of the second through-hole 13 is two, then obtained using two the second through-holes 13
The front end face of lens 7 and the image of rear end face, obtain the front end face of lens 7 and the location information of rear end face.
Specifically, the preset reference line in the present embodiment is the right side bearing of lens placing groove 11.
Further, available according to the location information and lens inclination α of the front end face of lens 7 and rear end face
Placement image of the mirror 7 in lens placing groove 11.According to the size of collet 2, so that the center line and lens of the strip groove of collet 2
7 center line is overlapped or there are a certain range of offsets, and then can calculate the final clamping position 8 of collet 2.
Further, as shown in figure 5, collet adjustment mechanism 3 adjust collet 2 position to clamp position 8 the step for,
Including it is following step by step:
Collet 2 is moved to the top of lens 7 by initial position, the difference in height of collet 2 and lens 7 is preset height.Tool
Body, it can be set as 1-3mm.
The position that collet 2 is obtained using visual pattern testing agency 4 is rotated collet 2 according to lens inclination α, makes collet 2
Clamping face is parallel to the side of lens 7；
The distance between the side for calculating the clamping face and lens 7 of collet 2, obtains translation distance L.Specifically, the translation
Distance L is L along the component of Y-axis1, can be adjusted by Y-axis slide unit 52.Translation distance L is L along the component of X-axis2, can be with
It is adjusted by the first X-axis slide unit 31.
According to translation distance L and preset height movable chuck 2 to clamping position 8.
Specifically, as shown in figure 5, the adjustment process of collet 2 is divided into four-stage: when original state, collet 2 is located at folder
The first position 2-1 of head, the clamping face of collet 2 is parallel to the right side bearing of lens placing groove 11, therefore the clamping face of collet 2 at this time
Angle between lens 7 is equal to lens inclination α.Collet 2 is rotated into lens inclination α, so that collet 2 is located at the second of collet
2-2 is set, the clamping face of collet 2 is parallel to the side of lens 7.Pass through the mobile L of Y-axis slide unit 52 again1, so that collet 2 is located at collet
The third place 2-3, the center line of collet 2 is overlapped with the center line of lens 7.Then, pass through the mobile L of the first X-axis slide unit 312,
So that collet 2 is located at the 4th position 2-4 of collet, the clamping face of collet 2 is located at the top of clamping position 8.Then, pass through Z axis
Slide unit 32 moves down preset height, so that collet 2 is located at clamping position 8.Finally, then open cylinder so that upper grip and
Lower collet is drawn close, and clamping operation is carried out.
Further, after the position for obtaining lens 7 using visual pattern testing agency 4, in visual pattern detection machine
It is further comprising the steps of before the location information of lens 7 is passed to collet adjustment mechanism 3 by structure 4:
Obtain lens position deviation preset value；
Calculate the deviation between the position and standard lens position of lens 7；
Compare the size between deviation and lens position deviation preset value；
If deviation is greater than lens position deviation preset value, stop clamping operation, and issue prompt information, to prompt work
Lens are reapposed as personnel；
If deviation is less than or equal to lens position deviation preset value, utilize visual pattern testing agency 4 by lens 7
Location information pass to collet adjustment mechanism 3, continue to execute subsequent job.
It can be seen from the above embodiments that, lens clamp device provided by the invention and its clamping method, pass through collet
Substitution manually clamps lens, the randomness of clamping process is reduced, so that chucking power is more stable.Meanwhile passing through vision figure
It measures and judges as testing agency's substitution human eye, and the location information of lens is passed into collet adjustment mechanism, collet tune
Complete machine structure adjusts the position of collet further according to the position for measuring resulting lens, improves the accuracy of clamping process, avoids
Pollution to lens functions face.Collet adjustment mechanism and visual pattern testing agency complement each other, and lens clamping may be implemented
The automation of process, continuous operation improve the efficiency of clamping process, save manpower and time, are also subsequent lens
Installation provides reference by location.
Finally, it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
Present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: it still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features；
And these are modified or replaceed, technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution spirit and
Range.
Claims (10)
1. a kind of lens clamp device, which is characterized in that including charging tray, collet, collet adjustment mechanism and visual pattern detection machine
Structure, the charging tray is for placing lens；The camera lens of the visual pattern testing agency is towards the charging tray, to measure the lens
Position；The input terminal of the collet adjustment mechanism is connected to the visual pattern testing agency, the collet adjustment mechanism
Output end is connected to the collet, to adjust the position of the collet according to the position of the lens.
2. lens clamp device according to claim 1, which is characterized in that the charging tray is equipped at least one lens and puts
Slot is set, the centre of the bottom of the lens placing groove offers first through hole, at least one side wall edge of the lens placing groove
The depth direction of the lens placing groove offers the second through-hole.
3. lens clamp device according to claim 2, which is characterized in that the visual pattern testing agency further includes light
Source, the light source towards the camera lens, and the distance between the light source and the camera lens be more than or equal to the charging tray with
The distance between described camera lens.
4. lens clamp device according to claim 1, which is characterized in that the visual pattern testing agency further includes figure
As sensor, the input terminal of described image sensor is connected to the camera lens, and the output end of described image sensor is connected to institute
State collet adjustment mechanism.
5. lens clamp device according to claim 1, which is characterized in that the collet adjustment mechanism includes the first X-axis
Slide unit, Z axis slide unit, three dimensional angular displacement platform；The guide rail of the Z axis slide unit is connected to the sliding block of the first X-axis slide unit, described
The sliding block of Z axis slide unit is connected to the pedestal of the three dimensional angular displacement platform, and the output end of the three dimensional angular displacement platform is connected to
The collet.
6. lens clamp device according to claim 5, which is characterized in that further include charging tray adjustment mechanism, the charging tray
Adjustment mechanism includes the second X-axis slide unit and Y-axis slide unit；The guide rail of the Y-axis slide unit is connected to the cunning of the second X-axis slide unit
The sliding block of block, the Y-axis slide unit is connected to the charging tray.
7. a kind of lens using such as lens clamp device described in any one of claims 1 to 6 clamp method, feature exists
In, comprising the following steps:
Lens are placed on charging tray；
The position of the lens is obtained using visual pattern testing agency；
The location information of the lens is passed to collet adjustment mechanism by the visual pattern testing agency, and the collet adjusts machine
Structure calculates clamping position according to the position of the lens；
The collet adjustment mechanism adjusts position to the clamping position of collet；
The lens are clamped using the collet.
8. lens according to claim 7 clamp method, which is characterized in that described to be obtained using visual pattern testing agency
The position of the lens, comprising the following steps:
Using first through hole transmitted ray, the image of the side of the lens is obtained, calculate the side of the lens and presets ginseng
The angle value between line is examined, lens inclination is obtained；
When the quantity of the second through-hole is one, then the second through-hole transmitted ray is utilized, the first end of the lens is obtained
The image in face obtains the location information of the first end face of the lens, calculates the lens according to the length gauge of the lens
The location information of second end face；
When the quantity of the second through-hole is two, then the first end face and the of the lens is obtained using two second through-holes
The image of biend obtains the first end face of the lens and the location information of second end face.
9. lens according to claim 8 clamp method, which is characterized in that the collet adjustment mechanism adjusts the collet
Position to the clamping position, comprising the following steps:
The collet is moved to the top of the lens by initial position, the difference in height of the collet and the lens is default
Highly；
The position that the collet is obtained using the visual pattern testing agency rotates the collet according to the lens inclination,
The clamping face of the collet is set to be parallel to the side of the lens；
The clamping face of the collet and the distance between the side of the lens are calculated, translation distance is obtained；
The collet is moved to the clamping position according to the translation distance and the preset height.
10. lens according to claim 7 clamp method, which is characterized in that utilize visual pattern testing agency described
After the position for obtaining the lens, the location information of the lens is passed into collet tune in the visual pattern testing agency
It is further comprising the steps of before complete machine structure:
Obtain lens position deviation preset value；
Calculate the deviation between the position of the lens and standard lens position；
Compare the size between the deviation and the lens position deviation preset value；
If the deviation is greater than the lens position deviation preset value, stop clamping operation, and issue prompt information, to mention
Show that staff reapposes lens；
If the deviation is less than or equal to the lens position deviation preset value, the visual pattern testing agency is utilized
The location information of the lens is passed into the collet adjustment mechanism.
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| CN201910285985.XA CN109940360B (en) | 2019-04-10 | 2019-04-10 | Lens clamping device and clamping method thereof |
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| CN201910285985.XA CN109940360B (en) | 2019-04-10 | 2019-04-10 | Lens clamping device and clamping method thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112573187A (en) * | 2020-11-30 | 2021-03-30 | 中南大学 | Automatic lens identification and clamping device |
| CN113745966A (en) * | 2021-09-15 | 2021-12-03 | 中南大学 | Automatic coupling packaging method for array type reflector |
| CN113777724A (en) * | 2021-09-15 | 2021-12-10 | 中南大学 | Automatic coupling packaging method for collimating type micro-lens |
| CN115302445A (en) * | 2022-10-11 | 2022-11-08 | 昆山三智达自动化设备科技有限公司 | Efficient assembly process of laser pumping source based on module unit |
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