CN109817092A - A kind of polaroid alignment device and alignment method - Google Patents
A kind of polaroid alignment device and alignment method Download PDFInfo
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- CN109817092A CN109817092A CN201910219123.7A CN201910219123A CN109817092A CN 109817092 A CN109817092 A CN 109817092A CN 201910219123 A CN201910219123 A CN 201910219123A CN 109817092 A CN109817092 A CN 109817092A
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Abstract
本发明公开了一种偏光片对位装置及对位方法，涉及偏光片对位技术领域，为解决现有的非矩形偏光片贴附效率低、人力成本高的问题而发明。该偏光片对位装置，包括：承载装置，承载装置包括承载面，承载面用于放置偏光片；旋转驱动装置，驱动装置用于驱动承载装置绕一旋转轴线转动，并且旋转轴线与承载面垂直且相交；拍摄器件和处理装置，在旋转轴线的延伸方向上，拍摄器件与承载台相隔设置，拍摄器件用于获取偏光片的图像，并将偏光片的图像传至处理装置；处理装置用于根据所获得的偏光片的图像，控制旋转驱动装置工作，以使偏光片的透过轴或者吸收轴与预设直线之间的夹角达到预设值。本发明可用于偏光片的对位。
The invention discloses a polarizer alignment device and an alignment method, relates to the technical field of polarizer alignment, and is invented to solve the problems of low attachment efficiency and high labor cost of the existing non-rectangular polarizers. The polarizer alignment device includes: a bearing device, the bearing device includes a bearing surface, and the bearing surface is used for placing the polarizer; a rotation driving device, the driving device is used to drive the bearing device to rotate around a rotation axis, and the rotation axis is perpendicular to the bearing surface and intersect; the photographing device and the processing device, in the extending direction of the rotation axis, the photographing device and the bearing platform are set apart from each other, and the photographing device is used to obtain the image of the polarizer and transmit the image of the polarizer to the processing device; the processing device is used for According to the obtained image of the polarizer, the rotation driving device is controlled to work, so that the angle between the transmission axis or the absorption axis of the polarizer and the preset straight line reaches a preset value. The present invention can be used for the alignment of polarizers.
Description
Technical field
The present invention relates to polaroid technique of counterpoint field more particularly to a kind of polaroid alignment device and alignment methods.
Background technique
With advances in technology and the growth of consumer demand, such as smart watch, intelligent bracelet, intelligent eye
The wearable devices such as mirror have been increasingly becoming the main product of consumer electrical product.More and more manufacturers start to develop non-rectangle
Display (such as circular displays) is to adapt to the demand of wearable device.
In the manufacturing process of display, attaching polaroid on a display panel is one of important process, polaroid meeting
It is being bonded after contraposition with display panel.Correspondingly, it also needs to attach non-rectangle polaroid in non-rectangular display.
Since the attaching of polaroid has certain directionality, so during polaroid feeding transfer, it is necessary to keep
The direction of polaroid is consistent with prescribed direction.And unlike the rectangle polaroid feeding of rule, if non-rectangle polaroid (ratio
Such as circular polarizing plate) there is the offset in direction or polaroid itself in feeding process and is not placed by prescribed direction, equal nothing
Method corrects its direction by position block or positioning pin.Therefore, currently in order to reaching ideal fitting effect, hand is mostly used greatly
Dynamic mode carries out the contraposition of non-rectangle polaroid, however, not only human cost is high for this mode, and production efficiency is low,
It is impossible to meet the production requirements of enterprise.
Summary of the invention
The embodiment of the present invention provides a kind of polaroid alignment device and alignment method, for solving existing non-rectangle polarisation
The problem that piece attaching efficiency is low, human cost is high.
In order to achieve the above objectives, in a first aspect, the embodiment of the invention provides a kind of polaroid alignment devices, comprising: hold
It carries and sets, the bogey includes loading end, and the loading end is for placing polaroid；Rotation drive device, the driving
Device is for driving the bogey to rotate around a rotation axis, and the rotation axis is vertical with the loading end and phase
It hands over；Shoot device and processing unit, on the extending direction of the rotation axis, the shooting device and the bogey phase
Every setting, the shooting device is used to obtain the image of the polaroid, and the image of the polaroid is reached the processing
Device；The processing unit is used for the image according to the polaroid obtained, controls the rotation drive device work, with
The angle between the direction of the transmission axis of the polaroid or the direction of absorption axiss and default straight line is set to reach preset value.
Further, the processing unit is used for: according to image captured by the shooting device, determining the polaroid
The direction of transmission axis or the direction of absorption axiss and the default straight line between relationship, and according to the transmission of the polaroid
Relationship between the direction of axis or the direction of absorption axiss and the default straight line controls the rotation drive device work, with
The direction in the direction or absorption axiss that make the transmission axis of the polaroid is parallel with the default straight line.
Further, further include erecting bed, the erecting bed have mounting surface, the bogey by shaft with it is described
Erecting bed is rotatably connected, and the bogey is oppositely arranged with the mounting surface, and the central axis of the shaft is institute
State rotation axis；The mounting surface is equipped with the first mark point and the second mark point, first mark point and second mark
Note point is respectively positioned on the bogey except the orthographic projection region on the mounting surface and is located at the visual field of the shooting device
Interior, the straight line at first mark point and the common place of second mark point is the default straight line.
It further, further include transmission lens, the transmission lens are located in front of the camera lens of the shooting device；It is described
Light microscopic on piece is equipped with the first mark point and the second mark point, and first mark point and second mark point are located at the shooting
In the visual field of device, the straight line at first mark point and the common place of second mark point is the default straight line.
Further, the loading end is horizontally disposed；The polaroid alignment device further includes horizontal drive apparatus, in institute
It can occur in the horizontal direction under the driving for stating horizontal drive apparatus, between the shooting device and the bogey opposite
It is mobile.
Second aspect, the embodiment of the invention provides a kind of polaroid alignment methods, comprising the following steps: obtains polaroid
Image；According to the image of the polaroid, the rotation in surface that the polaroid is located in the polaroid is controlled, so that
Angle between the direction of the transmission axis of the polaroid or the direction of absorption axiss and the default straight line reaches preset value.
Further, according to the image of the polaroid, the plane that the polaroid is located in the polaroid is controlled
Interior rotation, so that the angle between the direction of the transmission axis of the polaroid or the direction of absorption axiss and the default straight line reaches
To preset value, comprising: according to the image of the polaroid, determine the direction of the transmission axis of the polaroid or the side of absorption axiss
Relationship between default straight line；It is preset according to the direction of the transmission axis of the polaroid or the direction of absorption axiss with described
Relationship between straight line controls the rotation in surface that the polaroid is located in the polaroid, so that the polaroid
The direction of transmission axis or the direction of absorption axiss are parallel with the default straight line.
Further, the rotation in surface that the polaroid is located in the polaroid is controlled, so that the polarisation
The direction of the transmission axis of piece or the direction of absorption axiss are parallel with the default straight line, comprising: control the polaroid in institute
The rotation in surface that polaroid is located at is stated, so that tag line is parallel with the default straight line on the polaroid；Wherein, institute
It is parallel with the direction in the direction of the transmission axis of the polaroid or absorption axiss to state tag line.
Further, the rotation in surface that the polaroid is located in the polaroid is controlled, so that the polarisation
On piece tag line is parallel with the default straight line, comprising: controls the polaroid in the plane that the polaroid is located at
Rotation, so that two identification point being equidistant to the default straight line on the tag line, and on the tag line
Two identification points are respectively positioned on the same side of the default straight line.
Further, the rotation in surface that the polaroid is located in the polaroid is controlled, so that the mark
Two identification point being equidistant to the default straight line on line, and two equal positions of identification point on the tag line
In the same side of the default straight line, comprising: the rotation in surface that the polaroid is located in the polaroid is controlled, so that
Two identification point being equidistant to the default straight line on the tag line, and two institutes on the tag line
It is unequal to state the distance between identification point on identification point to the default straight line；Wherein, the mark on the default straight line
Know the mark selected be in the image for the polaroid that the shooting device obtains, except the polaroid region
Point.
Polaroid alignment device provided in an embodiment of the present invention and alignment method, by obtaining the image of polaroid, then
It is rotated according to the image-driven polaroid of polaroid, to adjust the position of polaroid, is finally completed the contraposition of polaroid.The polarisation
Piece alignment device can replace manually to the non-rectangle polaroid such as circle carry out automatic aligning, so as to save a large amount of manpowers at
This, improves production efficiency, and then can satisfy the production requirement of enterprise.
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 only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of polaroid alignment device in some embodiments of the invention；
Fig. 2 is the top view of polaroid alignment device internal structure shown in FIG. 1；
Fig. 3 is the structural schematic diagram of polaroid alignment device in other embodiments of the invention；
Fig. 4 is the top view of transmission lens in Fig. 3；
Fig. 5 is the schematic diagram one that polaroid aligns process in the embodiment of the present invention；
Fig. 6 is the schematic diagram two that polaroid aligns process in the embodiment of the present invention；
Fig. 7 is the schematic diagram three that polaroid aligns process in the embodiment of the present invention；
Fig. 8 is the flow chart of polaroid alignment method in the embodiment of the present invention；
Fig. 9 is the step flow chart of step S2 in Fig. 8 further limited.
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, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It 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 is to be understood that, term " center ", "upper", "lower", "front", "rear", " left side ",
The orientation or positional relationship of the instructions such as " right side ", "vertical", "horizontal", "top", "bottom", "inner", "outside" is based on the figure
Orientation or positional relationship is merely for convenience of description of the present invention and simplification of the description, rather than the device of indication or suggestion meaning or
Element must have a particular orientation, be constructed and operated in a specific orientation, therefore be not considered as limiting the invention.
Term " first ", " second " be used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance or
Implicitly indicate the quantity of indicated technical characteristic." first " is defined as a result, the feature of " second " can be expressed or imply
Ground includes one or more of the features.In the description of the present invention, unless otherwise indicated, the meaning of " plurality " is two or
It is more than two.
In the description of invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be to be connected directly, the connection inside two elements can also be can be indirectly connected through an intermediary.For this field
For those of ordinary skill, the concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.
In a first aspect, the embodiment of the invention provides a kind of polaroid alignment devices, as depicted in figs. 1 and 2, comprising: hold
It carries and sets 1, bogey 1 includes loading end 11, and loading end 11 is for placing polaroid 100；Rotation drive device 2a, rotation are driven
Dynamic device 2a is for driving bogey 1 to rotate around a rotation axis 3, and rotation axis 3 is vertical with loading end 11 and intersects；
Device 4 and processing unit 5 are shot, on the extending direction of rotation axis 3, shooting device 4 and bogey 1 are separated by setting, clap
Device 4 is taken the photograph for obtaining the image of polaroid 100, and the image of polaroid 100 is reached into processing unit 5；Processing unit 5 is used for
According to the image of polaroid 100 obtained, rotation drive device 2a work is controlled, so that the side of the transmission axis of polaroid 100
To the angle between (extending direction of line segment AB shown in Fig. 2) and default straight line 6 reach preset value (can be 0 degree, can also be with
It is arranged to other angles).
Above-mentioned polaroid alignment device can be not only used for the contraposition of non-rectangle polaroid 100 (such as circular polarizing plate),
It equally can be used for the contraposition of rectangle polaroid 100.
In contraposition, as depicted in figs. 1 and 2, polaroid 100 is set on the loading end 11 of bogey 1, then, is clapped
It takes the photograph device 4 to shoot polaroid 100, obtains the image of polaroid 100, and the image of polaroid 100 is reached into processing dress
5 are set, processing unit 5 controls rotation drive device 2a work, drive bogey 1 according to the image of polaroid 100 obtained
Around a rotation axis 3 rotate, with drive polaroid 100 rotate up to polaroid 100 transmission axis direction and default straight line 6 it
Between angle reach preset value, contraposition finishes, after contraposition, so that it may carry out next step polaroid 100 and display panel
Attached process.
Polaroid alignment device provided in an embodiment of the present invention passes through setting shooting device 4 and processing unit 5, device for shooting
Part 4 obtains the image of polaroid 100, and processing unit 5 drives polaroid 100 according to the image-driven bogey 1 of polaroid 100
Rotation, to adjust the position of polaroid 100, is finally completed the contraposition of polaroid 100.The polaroid alignment device can replace people
Work carries out automatic aligning to the non-rectangle polaroid such as circle 100, so as to save a large amount of human costs, improves production efficiency,
And then it can satisfy the production requirement of enterprise.
In addition, mode of the polaroid alignment device using visual-alignment, which alignment method is simple, quick,
And aligning accuracy is high.
In the above-described embodiments, the image control rotation drive device 2a work according to captured by shooting device 4 of processing unit 5
The method of work is not unique, for example can be following methods: processing unit 5 is used for: according to shooting device 4 captured by image,
Determine the positional relationship between the direction of the transmission axis of polaroid 100 and default straight line 6, and according to the transmission axis of polaroid 100
Direction and default straight line 6 between positional relationship, control rotation drive device 2a work so that the transmission axis of polaroid 100
Direction it is parallel with default straight line 6, that is, polaroid 100 transmission axis direction and default straight line 6 between angle
Preset value is 0 degree；Specifically, according to the image of polaroid 100 captured by shooting device 4, being determined inclined for example shown in Fig. 5
It is whether parallel between the direction (extending direction of Fig. 5 middle conductor AB) of the transmission axis of mating plate 100 and default straight line 6, if uneven
Row then controls rotation drive device 2a work, drives polaroid 100 to rotate (for example rotating clockwise), until polaroid 100
The direction of transmission axis is parallel with default straight line 6 (as shown in Figure 6), and contraposition is completed.
Wherein, processing unit 5 can judge in the following manner the transmission axis of polaroid 100 direction and default straight line
It is whether parallel between 6: as shown in fig. 6, being preset if two identification points (A point and B point) on the tag line AB of polaroid 100 arrive
Straight line 6 is equidistant, that is, Δ 1=Δ 2, and two identification points (A point and B point) on tag line AB arrive default straight line
The distance between identification point C on 6 is unequal, that is, 3 ≠ Δ of Δ 4, then the direction of the transmission axis of polaroid 100 is (in Fig. 6
The extending direction of line segment AB) it is parallel with default straight line 6；Otherwise, if thering is one to be unsatisfactory in two conditions, such as Fig. 5 and Fig. 7 institute
Show, is then not parallel.
The angle of above-mentioned default straight line 6 can be identical as the angle of the transmission axis of polaroid 100, for example, as shown in Fig. 2,
The angle of the transmission axis of polaroid 100 is 45 °, and (angle of transmission axis specifically refers to after polaroid 100 and display panel attach, partially
Angle between the direction and display panel zero degree side of 100 transmission axis of mating plate, if display panel is round, display panel
Zero degree side is display panel corresponding tangent line at 100 6 o'clock of polaroid), then the angle of the default straight line 6 is also 45 °；
The tag line AB of above-mentioned polaroid 100 is parallel to the direction of the transmission axis of polaroid 100；Identification point C on default straight line 6 be
In the image for shooting the polaroid 100 that device 4 obtains, the identification point except 100 region of polaroid.
In addition, can also be such as following methods: processing unit 5 be used for: according to image captured by shooting device 4, really
Determine the angle offset between the direction of the transmission axis of polaroid 100 and default straight line 6, and according to the transmission axis of polaroid 100
Angle offset between direction and default straight line 6, control rotation drive device 2a work, so that the transmission axis of polaroid 100
The angle offset of direction and default straight line 6 is zero.
For the ease of identifying default straight line 6, as depicted in figs. 1 and 2, which further includes erecting bed 7, peace
Filling platform 7 has mounting surface 71, and bogey 1 is rotatably connected by shaft 8 with erecting bed 7, and bogey 1 and mounting surface
71 are oppositely arranged, and the central axis of shaft 8 is rotation axis 3, and mounting surface 71 is equipped with the first mark point M and the second mark point N,
First mark point M and the second mark point N is respectively positioned on bogey 1 except the orthographic projection region on mounting surface 71 and is located at shooting
In the visual field of device 4, the straight line at the first mark point M and the common place the second mark point N is default straight line 6.In this way, shooting device
4 when shooting polaroid 100, so that it may it obtains the image of the first mark point M, the second mark point N and polaroid 100,
Processing unit 5 can identify the position of default straight line 6 according to the first mark point M, the position of the second mark point N in the picture
It sets, whether the angle between direction and default straight line 6 so as to facilitate the subsequent transmission axis for judging polaroid 100 reaches pre-
If value.
First mark point M and the second mark point N also can be set other than it can be set in mounting surface 71 in device for shooting
Specific as follows before the camera lens of part 4: as shown in figure 3, the polaroid alignment device further includes transmission lens 9, transmission lens 9 are located at
In front of the camera lens for shooting device 4, as shown in figure 4, the first mark point M and the second mark point N is arranged on transmission lens 9, and position
In in the visual field of shooting device 4.In this way, shooting device 4 is when shooting polaroid 100, it is equally also available by the first mark
Remember the image of point M, the second mark point N and polaroid 100, processing unit 5 can be according to the first mark point M, the second label
The position of point N in the picture identifies the position of default straight line 6, so as to facilitating the transmission axis of subsequent judgement polaroid 100
Direction and default straight line 6 between angle whether reach preset value.
It, can also be in 9 setting flag line of transmission lens, equally other than the first mark point M, the second mark point N are set
Also it can achieve the purpose convenient for identifying default straight line 6.
In polaroid alignment device provided in an embodiment of the present invention, loading end 11 can be horizontally disposed with (as shown in Figure 1),
It can be obliquely installed with relative level.It is obliquely installed compared to 11 relative level of loading end, loading end 11 is horizontally disposed, more favorably
In the fixation of polaroid 100 and the shooting of shooting device 4.
In polaroid alignment device provided in an embodiment of the present invention, the position between bogey 1 and shooting device 4 can be with
It is relatively fixed；In addition, bogey 1 can also relatively move in the horizontal direction with shooting device 4, it is specific as follows: such as Fig. 1
With shown in Fig. 2, polaroid alignment device further includes horizontal drive apparatus 2b, under the driving of horizontal drive apparatus 2b, device for shooting
It can be relatively moved in the horizontal direction between part 4 and bogey 1.Compared between bogey 1 and shooting device 4
The embodiment that the relatively-stationary embodiment in position, bogey 1 and shooting device 4 can relatively move in the horizontal direction,
It after the completion of contraposition, can be relatively moved between bogey 1 and shooting device 4, make the position of the two in the horizontal direction
It is staggered, so that next step polaroid 100 and display panel be facilitated to attach, avoids shooting device 4 to polaroid 100 and display panel
Attaching cause movement interference.
In bogey 1 and the embodiment that can relatively move in the horizontal direction of shooting device 4, bogey 1 with
The mode for shooting the relative motion of device 4 is not also unique, for example can be following motion mode: as shown in Figure 1, bogey 1
Position in the horizontal direction is constant, and horizontal drive apparatus 2b can drive shooting device 4 opposite carrying dress in the horizontal direction
It is mobile to set 1；Furthermore it is also possible to be following motion mode: the position of shooting device 4 in the horizontal direction is constant, horizontal drive dress
Setting 2b can drive bogey 1 mobile relative to shooting device 4 in the horizontal direction.Compared to the latter, the former is horizontal drive dress
It is mobile relative to bogey 1 in the horizontal direction to set 2b driving shooting device 4, in this way without driving bogey 1, rotation driving
Device 2a etc. is moved in the horizontal direction, and the component of driving device driving is few, less energy consumption, to reduce to horizontal drive apparatus
The requirement of 2b power.
In polaroid alignment device provided in an embodiment of the present invention, as shown in Figure 1, bogey 1 can be absorption carrying
Platform offers adsorption hole 12 on loading end 11, and adsorption hole 12 is connected to negative pressure system, when polaroid 100 is placed in loading end 11
After upper, polaroid 100 is adsorbed on plummer by adsorption hole 12；In addition, bogey 1 is also possible to suction nozzle, the absorption of suction nozzle
Face is loading end 11, and in contraposition, polaroid 100 can be adsorbed on adsorption plane by suction nozzle；Rotation drive device 2a can be electricity
Machine (as shown in Figure 1), or other rotary driving parts, such as rotary cylinder are not specifically limited herein；Shoot device
4 can be CCD (Charge-coupled Device；Charge coupled cell) camera (as shown in Figure 1), it can also be with CMOS
(Complementary Metal Oxide Semiconductor；Complementary metal oxide semiconductor) camera, does not also do herein
It is specific to limit；Processing unit 5 can be computer (as shown in Figure 1), be also possible to the system with processor, also do not do herein
It is specific to limit；Horizontal drive apparatus 2b can be linear motor, be also possible to the driving device of motor, lead screw and nut composition.
In polaroid alignment device provided in an embodiment of the present invention, processing unit 5 is in addition to that can pass through the saturating of polaroid 100
The relationship between the direction of axis and default straight line 6 is crossed to determine whether the suction of polaroid 100 can also be passed through except contraposition completion
Receive axis direction and default straight line 6 between relationship to determine whether contraposition complete, contraposition process may refer to above by
Relationship between the direction of the transmission axis of polaroid 100 and default straight line 6 is to determine whether align the description completed, herein no longer
It repeats.
Second aspect, the embodiment of the invention provides a kind of polaroid alignment methods, comprising the following steps: as shown in figure 8,
S1, as shown in figure 5, obtain polaroid 100 image；
Wherein, the main body for executing the step can be shooting device 4, such as CCD camera, be also possible to comprising the device for shooting
The vision system of part 4.
S2, as shown in fig. 6, according to the image of polaroid 100, plane that control polaroid 100 is located in polaroid 100
Interior rotation, so that the angle between the direction (extending direction of figure middle conductor AB) of the transmission axis of polaroid 100 and default straight line 6
Reach preset value.
Wherein, the main body for executing the step can be processing unit 5, such as computer, be also possible to comprising processor
System.
The technical effect of the technical issues of polaroid alignment method provided in an embodiment of the present invention is solved and acquirement, with
The technical effect of the technical issues of polaroid alignment device in first aspect is solved and acquirement is identical, no longer superfluous herein
It states.
In step s 2, the method according to the image control polaroid 100 of polaroid 100 is not unique, for example can adopt
Using the following method: as shown in figure 9,
S21, according to the image of polaroid 100, determine between the direction of the transmission axis of polaroid 100 and default straight line 6
Relationship；
S22, according to the relationship between the direction and default straight line 6 of the transmission axis of polaroid 100, control polaroid 100 and exist
The rotation in surface that polaroid 100 is located at, so that the direction of the transmission axis of polaroid 100 is parallel with default straight line 6.
Such as shown in Fig. 5, can be the image according to polaroid 100, come determine polaroid 100 transmission axis direction with
Whether default straight line 6 is parallel；If the direction of the transmission axis of polaroid 100 is not parallel, control polarisation with default straight line 6
The rotation in surface that piece 100 is located in polaroid 100, until the direction of the transmission axis of polaroid 100 is equal with default straight line 6
Row (as shown in Figure 6).
In addition to the method described above, following methods can also be used:
S ° 21, according to the image of polaroid 100, determine between the direction of the transmission axis of polaroid 100 and default straight line 6
Angle offset；
S ° 22, according to the angle offset between the direction and default straight line 6 of the transmission axis of polaroid 100, control polaroid
100 rotation in surface being located in polaroid 100, so that the offset in the direction of the transmission axis of polaroid 100 and default straight line 6
Amount is zero.
In step S22, can determine in the following manner the transmission axis of polaroid 100 direction and default 6 phase of straight line
It is parallel: as shown in fig. 6, the rotation in surface that control polaroid 100 is located in polaroid 100, so as to be identified on polaroid 100
Line AB is parallel with default straight line 6；Wherein, tag line AB is parallel with the direction of the transmission axis of polaroid 100.In the step
In, it is by judging whether tag line AB and default straight line 6 are parallel on polaroid 100, to determine the transmission axis of polaroid 100
Whether direction and default straight line 6 are parallel, since tag line AB is easier to be identified on polaroid 100, can make in this way
The judgement of relationship is more accurate between the direction of the transmission axis of polaroid 100 and default straight line 6, to guarantee that polaroid 100 is right
The accuracy of position.
Wherein, on polaroid 100 tag line with whether default straight line 6 parallel to judge in the following ways: such as
Shown in Fig. 6, the rotation in surface that control polaroid 100 is located in polaroid 100, so that on polaroid 100 on tag line AB
Two identification points (A point and B point) being equidistant to default straight line 6, that is, Δ 1=Δ 2, and the mark of polaroid 100
Know the same side that two identification points on line AB are respectively positioned on default straight line 6.The above method be point to the distance between straight line and
It selects with the positional relationship of straight line and judges whether the tag line AB of polaroid 100 is parallel with default straight line 6, without measuring polaroid
Angle on 100 between tag line and default straight line 6, this method is fairly simple, accurately, it is ensured that polaroid 100 aligned
Accuracy.
In above-mentioned steps, it is pre- whether two identification points (A point and B point) on the tag line AB of polaroid 100 are respectively positioned on
If the same side of straight line 6 can be by two identification points to default straight line 6 on the tag line (A point and B point) of polaroid 100
The distance between identification point C whether equal judge: as shown in fig. 6, if two on the tag line AB of polaroid 100 are marked
Know point (A point and B point) it is unequal to the distance between identification point C on default straight line 6, that is, 3 ≠ Δ of Δ 4, then polarisation
Two identification points on the tag line AB of piece 100 are positioned at the same side of default straight line 6；As shown in fig. 7, if equal, also
It is Δ 3=Δ 4, then two identification points on the tag line AB of polaroid 100 are the two sides for being located at default straight line 6.It should
Method is to judge whether two identification points of polaroid 100 are located at the same side of default straight line 6 by distance, simpler in this way
It is single, it is more accurate so as to the tag line AB of final polaroid 100 and the judging result of the relationship of default straight line 6.
In polaroid alignment method provided in an embodiment of the present invention, in addition to the side of the transmission axis of polaroid 100 can be passed through
To the relationship between default straight line 6 to determine whether the side of the absorption axiss of polaroid 100 can also be passed through except contraposition completion
To the relationship between default straight line 6 to determine whether contraposition is completed, contraposition process be may refer to above by polaroid 100
Transmission axis direction and default straight line 6 between relationship to determine whether contraposition complete description, details are not described herein.
Appeared in the embodiment of the polaroid alignment method with the product embodiments of above-mentioned polaroid alignment device
In same or similar feature, specifically can refer to the description in the product embodiments of above-mentioned polaroid alignment device, herein no longer
It repeats.
In the description of this specification, particular features, structures, materials, or characteristics can be real in any one or more
Applying can be combined in any suitable manner in example or example.
More than, only a specific embodiment of the invention, but scope of protection of the present invention is not limited thereto, and it is any to be familiar with
Those skilled in the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all cover
Within protection scope of the present invention.Therefore, protection scope of the present invention should be subject to the protection scope in claims.
Claims (10)
1. a kind of polaroid alignment device characterized by comprising
Bogey, the bogey include loading end, and the loading end is for placing polaroid；
Rotation drive device, the driving device is for driving the bogey to rotate around a rotation axis, and the rotation
Shaft axis is vertical with the loading end and intersects；
Device and processing unit are shot, on the extending direction of the rotation axis, the shooting device and the bogey
It is separated by setting, the shooting device is used to obtain the image of the polaroid, and the image of the polaroid is reached the place
Manage device；The processing unit is used for the image according to the polaroid obtained, controls the rotation drive device work,
So that the angle between the direction of the transmission axis of the polaroid or the direction of absorption axiss and default straight line reaches preset value.
2. polaroid alignment device according to claim 1, which is characterized in that the processing unit is used for: according to described
Image captured by device is shot, the direction in the direction or absorption axiss that determine the transmission axis of the polaroid is preset directly with described
Relationship between line, and according between the direction of the transmission axis of the polaroid or the direction of absorption axiss and the default straight line
Relationship, rotation drive device work is controlled, so that the direction of the transmission axis of the polaroid or the direction of absorption axiss
It is parallel with the default straight line.
3. polaroid alignment device according to claim 1 or 2, which is characterized in that it further include erecting bed, the erecting bed
With mounting surface, the bogey is rotatably connected by shaft and the erecting bed, and the bogey with it is described
Mounting surface is oppositely arranged, and the central axis of the shaft is the rotation axis；
The mounting surface is equipped with the first mark point and the second mark point, first mark point and the equal position of the second mark point
Except the orthographic projection region on the mounting surface and it is located in the visual field of the shooting device, described the in the bogey
Straight line where one mark point and second mark point are common is the default straight line.
4. polaroid alignment device according to claim 1 or 2, which is characterized in that it further include transmission lens, the light transmission
Eyeglass is located in front of the camera lens of the shooting device；The transmission lens are equipped with the first mark point and the second mark point, described
First mark point and second mark point are located in the visual field of the shooting device, first mark point and second mark
Straight line where note point is common is the default straight line.
5. polaroid alignment device according to claim 1 or 2, which is characterized in that the loading end is horizontally disposed；It is described
Polaroid alignment device further includes horizontal drive apparatus, under the driving of the horizontal drive apparatus, the shooting device and institute
Stating can relatively move between bogey in the horizontal direction.
6. a kind of polaroid alignment method, which comprises the following steps:
Obtain the image of polaroid；
According to the image of the polaroid, the rotation in surface that the polaroid is located in the polaroid is controlled, so that institute
The angle stated between the direction of the transmission axis of polaroid or the direction of absorption axiss and default straight line reaches preset value.
7. polaroid alignment method according to claim 6, which is characterized in that according to the image of the polaroid, control
The rotation in surface that the polaroid is located in the polaroid, so that the direction of the transmission axis of the polaroid or absorption
Angle between the direction of axis and default straight line reaches preset value, comprising:
According to the image of the polaroid, determine the transmission axis of the polaroid direction or absorption axiss direction with it is described pre-
If the relationship between straight line；
According to the relationship between the direction of the transmission axis of the polaroid or the direction and the default straight line of absorption axiss, control
The rotation in surface that the polaroid is located in the polaroid, so that the direction of the transmission axis of the polaroid or absorption
The direction of axis is parallel with the default straight line.
8. polaroid alignment method according to claim 7, which is characterized in that control the polaroid in the polaroid
The rotation in surface being located at, so that the direction of the transmission axis of the polaroid or the direction of absorption axiss and the default straight line
It is parallel, comprising:
Control the rotation in surface that the polaroid is located in the polaroid so that on the polaroid tag line with it is described
Default straight line is parallel；
Wherein, the tag line is parallel with the direction in the direction of the transmission axis of the polaroid or absorption axiss.
9. polaroid alignment method according to claim 8, which is characterized in that control the polaroid in the polaroid
The rotation in surface being located at, so that tag line is parallel with the default straight line on the polaroid, comprising:
The rotation in surface that the polaroid is located in the polaroid is controlled, so that two identification points on the tag line
Two identification points to being equidistant for the default straight line, and on the tag line are respectively positioned on the default straight line
The same side.
10. polaroid alignment method according to claim 9, which is characterized in that control the polaroid in the polarisation
The rotation in surface that piece is located at, so that two identification point being equidistant to the default straight line on the tag line, and
And two identification points on the tag line are respectively positioned on the same side of the default straight line, comprising:
The rotation in surface that the polaroid is located in the polaroid is controlled, so that two marks on the tag line
Know point being equidistant to the default straight line, and on two identification points to the default straight line on the tag line
The distance between identification point it is unequal；
Wherein, the identification point on the default straight line is to be located at the polarisation in the image of the polaroid of acquisition
Identification point except piece region.
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| CN201910219123.7A CN109817092A (en) | 2019-03-21 | 2019-03-21 | A kind of polaroid alignment device and alignment method |
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| CN201910219123.7A CN109817092A (en) | 2019-03-21 | 2019-03-21 | A kind of polaroid alignment device and alignment method |
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