CN110077002A - A kind of pad pasting auxiliary detection alignment method - Google Patents
A kind of pad pasting auxiliary detection alignment method Download PDFInfo
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- CN110077002A CN110077002A CN201910319403.5A CN201910319403A CN110077002A CN 110077002 A CN110077002 A CN 110077002A CN 201910319403 A CN201910319403 A CN 201910319403A CN 110077002 A CN110077002 A CN 110077002A
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- panel
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/48—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/34—Electrical apparatus, e.g. sparking plugs or parts thereof
- B29L2031/3475—Displays, monitors, TV-sets, computer screens
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- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Liquid Crystal (AREA)
Abstract
The present invention provides a kind of pad pastings to assist detection alignment method, and method is the following steps are included: S1: liquid crystal display panel and panel membrane being oppositely arranged, the pad pasting region of liquid crystal display panel is towards panel membrane；S2: the second image of the side of the first image and panel membrane towards liquid crystal display panel of side of the liquid crystal display panel towards panel membrane is obtained；S3: whether the characteristic point of the characteristic point and the second image that judge the first image is aligned on preset direction；Wherein, preset direction is perpendicular to liquid crystal display panel and panel membrane；If the characteristic point of the first image and the characteristic point of the second image are aligned on preset direction, step S4 is carried out；If the characteristic point of the first image and the characteristic point of the second image are not aligned on preset direction, step S5 is carried out；S4: panel membrane is pasted onto the pad pasting region of liquid crystal display panel；S5: the position of adjustment liquid crystal display panel and panel membrane, and step S3 is carried out again, achieve the effect that fast and accurately panel membrane is pasted on liquid crystal display panel.
Description
Technical field
The invention belongs to optical technical fields, are to be related to a kind of pad pasting auxiliary detection alignment method more specifically.
Background technique
With the rapid development of electronic product (such as mobile phone, computer etc.), required on many electronic products with larger face
Long-pending liquid crystal display.The liquid crystal display of large area is subjected to reflective or glare and influences display effect, needs on surface
Stick on antireflective film or anti-dazzle thin-membrane, or the liquid crystal display shown outdoors needs to paste with protective explosion-proof
Film is perhaps often pasted in liquid crystal display and provides the optical film of naked eye 3 D function so needing in production or before use
Pad pasting is carried out to liquid crystal display.Currently, the mode of pad pasting is traditional-handwork pad pasting, traditional-handwork pad pasting needs man-hour manually hand-held thin
The screen that film is directed at product carries out pad pasting, and the speed of this method pad pasting is slow, low efficiency, is easy to be influenced by human factor.
Summary of the invention
The purpose of the present invention is to provide a kind of pad pastings to assist detection alignment method, to solve biography existing in the prior art
Manual pad pasting of uniting needs product of the man-hour manually hand-held by pad pasting, and pad pasting is torn from wound membrane, and the screen for being directed at product carries out pad pasting,
The speed of this method pad pasting is slow, low efficiency, is easy the technical issues of being influenced by human factor.
To achieve the above object, the technical solution adopted by the present invention is that: a kind of pad pasting auxiliary detection alignment method, institute are provided
State method the following steps are included:
S1: liquid crystal display panel and panel membrane are oppositely arranged, and the pad pasting region of the liquid crystal display panel is towards the panel membrane；
S2: the first image and the panel membrane for obtaining side of the liquid crystal display panel towards the panel membrane are towards described
Second image of the side of liquid crystal display panel；
S3: whether the characteristic point of the characteristic point and second image that judge the first image is right on preset direction
Together；Wherein, the preset direction is perpendicular to the liquid crystal display panel and the panel membrane；
If the characteristic point of the first image and the characteristic point of second image are aligned on preset direction, walked
Rapid S4；If the characteristic point of the first image and the characteristic point of second image are not aligned on preset direction, carry out
Step S5；
S4: the panel membrane is pasted onto the pad pasting region of the liquid crystal display panel；
S5: adjusting the position of the liquid crystal display panel and the panel membrane, and carries out step S3 again.
Further, the first telltale mark is set on the liquid crystal display panel, the second positioning is set on the panel membrane
Label；
In the step S2, the characteristic point of the first image is the picture of the corresponding image block of first telltale mark
Point, the characteristic point of second image are the picture point of the corresponding image block of second telltale mark.
Further, the step S4 the following steps are included:
S41: detecting the relative distance of the panel membrane and the liquid crystal display panel, judges whether relative distance reaches micron order
Preset threshold, wherein if reaching, then follow the steps S43, if not reaching, then follow the steps S42；
S42: the relative distance of the panel membrane and the liquid crystal display panel is adjusted, and re-execute the steps S41；
S43: the panel membrane and the liquid crystal display panel are bonded.
Further, in step sl, the liquid crystal display panel is connected on adjustment mechanism, and the panel membrane is set
It sets on film sticking apparatus；
In step s 2, mechanism will be imaged by driving mechanism to drive between the liquid crystal display panel and the panel membrane,
The camera shooting mechanism obtains the first image and second image and is sent to control centre, and then the driving mechanism will
The camera shooting mechanism drives to the gap being detached between the liquid crystal display panel and the panel membrane；
In step s3, the control centre receives the first image and second image, and judges described first
Whether the characteristic point of image and the characteristic point of second image are aligned on preset direction；
In step s 4, the panel membrane is pasted onto the pad pasting region of the liquid crystal display panel by the film sticking apparatus；
In step s 5, the control centre is according to the characteristic point of the first image and the characteristic point of second image
Calculate the displacement of the liquid crystal display panel, the position of adjustment mechanism liquid crystal display panel according to the adjustment of displacement of the liquid crystal display panel
It sets.
Further, in step S41, the phase of the panel membrane and the liquid crystal display panel is detected by distance measuring device
Adjust the distance and send the control centre for relative distance, pass through the control centre receive relative distance and judge it is opposite away from
From whether reaching micron-sized preset threshold；
In step S42: adjusting the relative distance of the panel membrane and the liquid crystal display panel by the adjustment mechanism.
Further, the distance measuring device includes light source emitter and light source receiver, the light source emitter
The induction end of transmitting terminal and the light source receiver is oppositely arranged, and pad pasting region and panel membrane are located at the light source emitter
Transmitting terminal and the light source receiver induction end between, the light source receiver is electrically connected to the control centre.
Further, the film sticking apparatus includes feeding mechanism, adhesion mechanism and discharging mechanism, and the feeding mechanism is used
The panel membrane and the liquid crystal display panel are transported to the adhesion mechanism in simultaneously, the adhesion mechanism is used for the panel
Film is bonded on the liquid crystal display panel, and the discharging mechanism is used to convey the panel membrane bonded and the liquid crystal display panel
To outside the film sticking apparatus.
Further, the film sticking apparatus includes mounting table, roller, elevating mechanism and horizontal mobile mechanism, the rolling
The rolling surface of cylinder and mounting table cooperation support panel membrane, the elevating mechanism are connected to the roller and drive the roller
Movable in a vertical direction, the elevating mechanism is fixed on the mounting table, and the horizontal mobile mechanism is connected to the tune
The complete machine structure and control adjustment mechanism is in the axial direction perpendicular to the roller and perpendicular to the driving direction of the elevating mechanism
Direction on activity.
Further, the film sticking apparatus further includes absorption panel and vacuum pump, is provided on the absorption panel several
Sucker, the sucker are connected to the suction end of the vacuum pump, the side of the opening with the sucker of the absorption panel
Face is used for plate placement film.
Further, the adjustment mechanism is multi-axis linkages.
A kind of beneficial effect of pad pasting auxiliary detection alignment method provided by the invention is: compared with prior art, this
A kind of pad pasting auxiliary detection alignment method of invention goes to judge liquid by the characteristic point of the first image and the characteristic point of the second image
Whether crystal panel and panel membrane are aligned, and reduce the error of artificial directly observation liquid crystal display panel and panel membrane align.First
Image and the second image are planar graph, and planar graph analysis comparison is convenient, ensure that the first image and the second image comparison
Convenience.First image and the second image are aligned on preset direction, i.e. liquid crystal display panel and panel membrane has been aligned, by what is be aligned
Liquid crystal display panel and panel membrane are pasted together, and keep the stickup of panel membrane more accurate, reach the high-precision pad pasting on liquid crystal display panel
Effect.
Detailed description of the invention
It to describe the technical solutions in the embodiments of the present invention more clearly, below will be to embodiment or description of the prior art
Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is only of the invention some
Embodiment for those of ordinary skill in the art without any creative labor, can also be according to these
Attached drawing obtains other attached drawings.
Fig. 1 is a kind of flow diagram one of pad pasting auxiliary detection alignment method provided in an embodiment of the present invention；
Fig. 2 is a kind of liquid crystal display panel of pad pasting auxiliary detection alignment method provided in an embodiment of the present invention and the knot of panel membrane
Structure schematic diagram；
Fig. 3 is a kind of flow diagram two of pad pasting auxiliary detection alignment method provided in an embodiment of the present invention；
Fig. 4 is a kind of structural representation of the camera shooting mechanism of pad pasting auxiliary detection alignment method provided in an embodiment of the present invention
Figure；
Fig. 5 is that a kind of structure of the distance measuring device of pad pasting auxiliary detection alignment method provided in an embodiment of the present invention is shown
It is intended to；
Fig. 6 is a kind of structural representation of the film sticking apparatus of pad pasting auxiliary detection alignment method provided in an embodiment of the present invention
Figure；
Fig. 7 is the enlarged drawing in Fig. 6 at A.
Wherein, each appended drawing reference in figure:
1, control centre；2, adjustment mechanism；21, frame；3, driving mechanism；4, mechanism is imaged；5, film sticking apparatus；51, it puts
Set platform；52, roller；53, elevating mechanism；54, horizontal mobile mechanism；55, panel is adsorbed；551, sucker；56, vacuum pump；6, away from
From detection device；61, light source emitter；62, light source receiver；7, liquid crystal display panel；71, the first telltale mark；8, panel membrane；
81, the second telltale mark.
Specific embodiment
In order to which technical problems, technical solutions and advantages to be solved are more clearly understood, tie below
Accompanying drawings and embodiments are closed, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only
To explain the present invention, it is not intended to limit the present invention.
It should be noted that it can be directly another when element is referred to as " being fixed on " or " being set to " another element
On one element or indirectly on another element.When an element is known as " being connected to " another element, it can
To be directly to another element or be indirectly connected on another element.
It is to be appreciated that term " length ", " width ", "upper", "lower", "front", "rear", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "top", "bottom" "inner", "outside" is that orientation based on the figure or position are closed
System, is merely for convenience of description of the present invention and simplification of the description, rather than the device or element of indication or suggestion meaning must have
Specific orientation is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more of the features.In the description of the present invention, the meaning of " plurality " is two or more,
Unless otherwise specifically defined.
Also referring to Fig. 1 and Fig. 2, now a kind of pad pasting auxiliary detection alignment method provided by the invention is illustrated.
It the described method comprises the following steps:
S1: liquid crystal display panel 7 and panel membrane 8 are oppositely arranged, and the pad pasting region of the liquid crystal display panel 7 is towards the panel membrane
8；
S2: obtain side of the liquid crystal display panel 7 towards the panel membrane 8 the first image and the panel membrane 8 towards
Second image of the side of the liquid crystal display panel 7；
S3: whether the characteristic point of the characteristic point and second image that judge the first image is right on preset direction
Together；Wherein, the preset direction is perpendicular to the liquid crystal display panel 7 and the panel membrane 8；
If the characteristic point of the first image and the characteristic point of second image are aligned on preset direction, walked
Rapid S4；If the characteristic point of the first image and the characteristic point of second image are not aligned on preset direction, carry out
Step S5；
S4: the panel membrane 8 is pasted onto the pad pasting region of the liquid crystal display panel 7；
S5: adjusting the position of the liquid crystal display panel 7 and the panel membrane 8, and carries out step S3 again.
A kind of pad pasting auxiliary detection alignment method provided by the invention passes through the spy of the first image compared with prior art
The characteristic point of sign point and the second image goes to judge whether liquid crystal display panel 7 and panel membrane 8 are aligned, and reduces and artificially directly observes liquid crystal surface
The error of plate 7 and panel membrane 8 align.First image and the second image are planar graph, and planar graph is analyzed to analogy
Just, it ensure that the convenience of the first image and the second image comparison.First image and the second image are aligned on preset direction, i.e.,
Liquid crystal display panel 7 and panel membrane 8 have been aligned, and the liquid crystal display panel 7 being aligned and panel membrane 8 are pasted together, and make the viscous of panel membrane 8
It is more accurate to paste, and has the function that the high-precision pad pasting on liquid crystal display panel 7.
Specifically, the first image and the second image are handled by image processing system (not shown).
Further, also referring to Fig. 1 and Fig. 2, as a kind of pad pasting auxiliary detection alignment method provided by the invention
A kind of specific embodiment, the first telltale mark 71 is set on the liquid crystal display panel 7, is arranged on the panel membrane 8
Two telltale marks 81；
In the step S2, the characteristic point of the first image is the corresponding image block of first telltale mark 71
Picture point, the characteristic point of second image are the picture point of the corresponding image block of second telltale mark 81.
The first telltale mark 71 on liquid crystal display panel 7 and the second telltale mark 81 on panel membrane 8 are identified, reduced
The identification region of liquid crystal display panel 7 and panel membrane 8, convenient for accurately being positioned to liquid crystal display panel 7 and panel membrane 8.
Specifically, image processing system compares the first telltale mark 71 and the second telltale mark 81, the first positioning mark is calculated
The coordinate of the picture point of the picture point and the second telltale mark 81 of note 71, according to the seat of the first telltale mark 71 and the second telltale mark 81
Mark calculates liquid crystal display panel 7 in the shifting of horizontal position up-regulation section and adjusts direction or calculate panel membrane 8 in horizontal position up-regulation
Direction is moved and adjusted to section, and operator or automatic adjustment mechanism 2 can be according to the adjusting of liquid crystal display panel 7 displacement and adjusting sides
Always it adjusts liquid crystal display panel 7 or is displaced and adjusts direction according to the adjusting of panel membrane 8 come adjusting panel film 8.
Optimization, the first telltale mark 71 be circle and in circle the two orthogonal circle diameters combination with
And the square and cornerwise combination of intersection in square.Second telltale mark 81 is circle and is located at two-phase in circle
The mutually combination of vertical diameter and square and the cornerwise combination of intersection in square
Further, referring to Fig. 3, it is specific as a kind of one kind of pad pasting auxiliary detection alignment method provided by the invention
Embodiment, the step S4 the following steps are included:
S41: the relative distance of the panel membrane 8 and the liquid crystal display panel 7 is detected, judges whether relative distance reaches micron
The preset threshold of grade, wherein if reaching, then follow the steps S43, if not reaching, then follow the steps S42；
S42: the relative distance of the panel membrane 8 and the liquid crystal display panel 7 is adjusted, and re-execute the steps S41；
S43: the panel membrane 8 and the liquid crystal display panel 7 are bonded.
When panel membrane 8 to be fitted on liquid crystal display panel 7, first the relative distance of panel membrane 8 and liquid crystal display panel 7 is adjusted to
Micron order reduces the gap between panel membrane 8 and liquid crystal display panel 7, and then the sky between panel membrane 8 and liquid crystal display panel 7
Gas is less, is fitted in panel membrane 8 between 7 rear panel film 8 of liquid crystal display panel and liquid crystal display panel 7 and is not likely to produce bubble.
Further, Fig. 1, Fig. 4 and Fig. 5 are please referred to, as a kind of pad pasting auxiliary detection alignment method provided by the invention
A kind of specific embodiment the liquid crystal display panel 7 is connected on adjustment mechanism 2 in step sl, and by the panel
Film 8 is arranged on film sticking apparatus 5；
In step s 2, by driving mechanism 3 will image mechanism 4 drive to the liquid crystal display panel 7 and the panel membrane 8 it
Between, the camera shooting mechanism 4 obtains the first image and second image and is sent to control centre 1, the then driving
Mechanism 3 drives the camera shooting mechanism 4 to the gap being detached between the liquid crystal display panel 7 and the panel membrane 8；
In step s3, the control centre 1 receives the first image and second image, and judges described first
Whether the characteristic point of image and the characteristic point of second image are aligned on preset direction；
In step s 4, the panel membrane 8 is pasted onto the pad pasting area of the liquid crystal display panel 7 by the film sticking apparatus 5
Domain；
In step s 5, the control centre 1 is according to the characteristic point of the first image and the feature of second image
Point calculates the displacement of the liquid crystal display panel 7, the adjustment mechanism 2 liquid crystal surface according to the adjustment of displacement of the liquid crystal display panel 7
The position of plate 7.
Camera shooting mechanism 4 can shoot the first image of liquid crystal display panel 7 and the second image of panel membrane 8, and then image is sent out
It is sent to control centre 1, control centre 1 is according to the position between image recognition pad pasting region and panel membrane 8, thus by adjusting machine
Structure 2 adjusts pad pasting region and is right against panel membrane 8.After adjustment mechanism 2, which adjusts pad pasting region, is right against panel membrane 8, film sticking apparatus 5
Drive surface template die is fitted on pad pasting region, is guaranteed the high-precision contraposition in panel membrane 8 and pad pasting region, has been reached straight and even, has been close to
And accurately it is bonded effect.This method does not need manually to align panel membrane 8 and pad pasting region, improves the effect of pad pasting
Rate.
Specifically, film sticking apparatus 5 includes film platform and platform driving device, platform driving device is fixed on ground.Film is flat
Platform is fixed on the output end of platform driving device.Panel membrane 8 is lain in a horizontal plane on film platform.
Specifically, control centre 1 is computer center, Cloud Server or MCU.
Specifically, liquid crystal display panel 7 is LCD panel.Panel membrane 8 is PET Grating Film or protective film.
Specifically, liquid crystal display panel 7 is equipped with the first telltale mark 71, panel membrane 8 is equipped with the second telltale mark 81.First
Telltale mark 71 is as the size and shape of the second telltale mark 81.Camera shooting mechanism 4 is located at 7 He of liquid crystal display panel being oppositely arranged
When between panel membrane 8, the image of liquid crystal display panel 7 and the image of panel membrane 8 are shot, control centre 1 is connected with image processing module,
Second telltale mark 81 on image on the image of image processing module comparison shooting on the first telltale mark 71 and liquid crystal display panel 7
Position, and generate the first telltale mark 71 and the corresponding coordinate information of the second telltale mark 81, control centre 1 and receive coordinate
After information, control adjustment mechanism 2 takes liquid crystal display panel 7 to, is oppositely arranged the first telltale mark 71 and the second telltale mark 81 just,
So that it is guaranteed that pad pasting region is right against on panel membrane 8.
Optimization, the first telltale mark 71 is arranged on the pad pasting region of liquid crystal display panel 7.
Further, Fig. 4, Fig. 5 and Fig. 6 are please referred to, as a kind of pad pasting auxiliary detection alignment method provided by the invention
A kind of specific embodiment, adjustment mechanism 2 be multi-axis linkages.
Multi-axis linkages are convenient for driving liquid crystal display panel 7 to move in multiple reference axis under the control of control centre 1, just
In make liquid crystal display panel 7 close to and far from panel membrane 8, and convenient for the pad pasting region of liquid crystal display panel 7 be right against panel membrane 8.
Further, Fig. 4 and Fig. 5 are please referred to, one as a kind of pad pasting auxiliary detection alignment method provided by the invention
Kind specific embodiment, driving mechanism 3 are hydraulic cylinder or cylinder.
Hydraulic cylinder and cylinder are easy to use, and camera shooting mechanism 4 is made to move along a straight line, convenient for controlling camera shooting mechanism 4.
Further, Fig. 4 and Fig. 5 are please referred to, one as a kind of pad pasting auxiliary detection alignment method provided by the invention
Kind specific embodiment, camera shooting mechanism 4 are coaxial camera.
As coaxial photograph function makes image seen in picture window with the photo of shooting be, viewfinder range and reality
Coverage is almost the same, reduces parallax effect, is accurately analyzed convenient for the image to liquid crystal display panel 7 and panel membrane 8,
Guarantee the accuracy of position adjustment between liquid crystal display panel 7 and panel membrane 8.Coaxial camera has bidirectional camera shooting head, can be simultaneously
Obtain the image of liquid crystal display panel 7 and protective film.
Further, also referring to Fig. 5 and Fig. 6, as a kind of pad pasting auxiliary detection alignment method provided by the invention
A kind of specific embodiment, adjustment mechanism 2 is fixed with the frame 21 for fixing liquid crystal display panel 7.
Frame 21 is convenient for fixed liquid crystal display panel 7, and it is steady to guarantee that liquid crystal display panel 7 is able to maintain during adjustment and pad pasting
It is fixed, so that panel membrane 8 is accurately fitted on pad pasting region.
Further, Fig. 3 and Fig. 5 are please referred to, one as a kind of pad pasting auxiliary detection alignment method provided by the invention
Kind of specific embodiment detects the panel membrane 8 and the liquid crystal display panel 7 by distance measuring device 6 in step S41
Relative distance simultaneously sends the control centre 1 for relative distance, receives relative distance by the control centre 1 and judges phase
It adjusts the distance and whether reaches micron-sized preset threshold；
In step S42: by the adjustment mechanism 2 adjust the panel membrane 8 and the liquid crystal display panel 7 it is opposite away from
From.
The distance between pad pasting region and panel membrane 8, i.e. pad pasting area can be known according to relative distance information in control centre 1
The difference in height of domain and panel membrane 8 in a vertical direction.Control centre 1 controls the adjustment patch of adjustment mechanism 2 according to relative distance information
The distance between diaphragm area and panel membrane 8 are fitted in film sticking apparatus 5 on pad pasting region convenient for driving panel film 8, fill pad pasting
It sets 5 to be not easy to make to be subjected to displacement between panel membrane 8 and liquid crystal display panel 7 during driving panel film 8, guarantees pad pasting region always
It is right against panel membrane 8.
Specifically, then being controlled when control centre 1 judges that the distance between pad pasting region and panel membrane 8 are less than preset threshold
Center 1 stops control adjustment mechanism 2 and takes liquid crystal display panel 7 to towards 8 activity of panel membrane.Preset threshold is micron order, i.e. liquid crystal surface
The distance between plate 7 and panel membrane 8 are micron order, greatly reduce the problem of bubble and panel membrane 8 during pad pasting shift.
Further, referring to Fig. 5, it is specific as a kind of one kind of pad pasting auxiliary detection alignment method provided by the invention
Embodiment, distance measuring device 6 include light source emitter 61 and light source receiver 62, the transmitting terminal and light of light source emitter 61
The induction end of source receiver 62 is oppositely arranged, pad pasting region and panel membrane 8 is located at the transmitting terminal of light source emitter 61 and light source connects
Between the induction end for receiving device 62, light source receiver 62 is electrically connected to control centre 1.
By the correlation between light source emitter 61 and light source receiver 62, control centre 1 calculates liquid crystal display panel 7
The distance between panel membrane 8.Light source emitter 61 and light source receiver 62 using and it is easy to operate.
Specifically, the power end of light source emitter 61 and the power end of light source receiver 62 are connected to power supply system, light source
The ground terminal of transmitter 61 and the ground terminal ground connection of light source receiver 62.Light source emitter 61 is light barrier transmitter.Light source receives
Device 62 is grating receiver.
Further, Fig. 5 and Fig. 6 are please referred to, one as a kind of pad pasting auxiliary detection alignment method provided by the invention
Kind specific embodiment, film sticking apparatus 5 include feeding mechanism, adhesion mechanism and discharging mechanism, and feeding mechanism is used for while will
Panel membrane 8 and liquid crystal display panel 7 are transported to adhesion mechanism, and adhesion mechanism is used to panel membrane 8 being bonded in liquid crystal display panel 7, discharge
Mechanism is for the panel membrane 8 bonded and liquid crystal display panel 7 to be transported to outside film sticking apparatus 5.
Panel membrane 8 and liquid crystal display panel 7 are disposed with pad pasting dress in default bonding direction activity, i.e., default bonding direction
5 feeding mechanism, adhesion mechanism and discharging mechanism is set, convenient for the bubble of panel membrane 8 and liquid crystal display panel 7 to be discharged, reduces gas
Bubble remains between panel membrane 8 and liquid crystal display panel 7.
Further, Fig. 5 and Fig. 6 are please referred to, one as a kind of pad pasting auxiliary detection alignment method provided by the invention
Kind specific embodiment, film sticking apparatus 5 include mounting table 51, roller 52, elevating mechanism 53 and horizontal mobile mechanism 54, roller
52 rolling surface and mounting table 51 cooperation support panel membrane 8, elevating mechanism 53 are connected to roller 52 and drive roller 52 vertical
Movable on direction, elevating mechanism 53 is fixed on mounting table 51, and horizontal mobile mechanism 54 is connected to adjustment mechanism 2 and control adjustment
Mechanism 2 is movable in the axial direction perpendicular to roller 52 and the direction perpendicular to the driving direction of elevating mechanism 53.
Roller 52 can contradict panel membrane 8 in the pad pasting region of liquid crystal display panel 7 under the driving of elevating mechanism 53, from
And panel membrane 8 is clamped by roller 52 and liquid crystal display panel 7, panel membrane 8 and liquid crystal display panel 7, which are equivalent to, at this time enters film sticking apparatus 5
Feeding mechanism and adhesion mechanism in.When panel membrane 8 is clamped by roller 52 and liquid crystal display panel 7, pass through horizontal mobile mechanism 54
Make the activity on default bonding direction of adjustment mechanism 2, even if unbonded panel membrane 8 and liquid crystal display panel 7 passes sequentially through pad pasting dress
Set 5 feeding mechanism, adhesion mechanism and discharging mechanism.Roller 52 is rolled at this time, frictional force of the roller 52 to panel membrane 8
Smaller, panel membrane 8 is maintained between roller 52 and liquid crystal display panel 7, is covered on panel membrane 8 gradually on liquid crystal display panel 7, reduces gas
Bubble remains between panel membrane 8 and liquid crystal display panel 7.
Specifically, elevating mechanism 53 is cylinder or hydraulic cylinder.Horizontal mobile mechanism 54 is cylinder or hydraulic cylinder.
Specifically, adjustment mechanism 2 is slidably connected on the horizontal guide rail, horizontal mobile mechanism 54 drive adjustment mechanism 2 along
Horizontal guide rail sliding.The guide rail direction of horizontal guide rail is parallel to ground.
Specifically, being equipped with position-limit mechanism (not shown) on default bonding direction, position-limit mechanism is electrically connected in control
The heart 1.When adjustment mechanism 2 or frame 21 and position-limit mechanism contact, position-limit mechanism sends interrupt signal to control centre 1, control
Center 1 makes horizontal mobile mechanism 54 stop action after receiving interrupt signal, and then completes panel membrane 8 and be fitted in pad pasting region
On, all processes of 7 pad pasting of liquid crystal display panel have been completed at this time.
Optimization, position-limit mechanism is travel switch or close switch.
Further, Fig. 6 and Fig. 7 are please referred to, one as a kind of pad pasting auxiliary detection alignment method provided by the invention
Kind specific embodiment, film sticking apparatus 5 further include absorption panel 55 and vacuum pump 56, adsorb and are provided with several suckers on panel 55
551, sucker 551 is connected to the suction end of vacuum pump 56, adsorbs the one side of the opening with sucker 551 of panel 55 for putting
Set panel membrane 8.
Vacuum pump 56 is to negative pressure is generated at sucker 551, so that panel membrane 8 be made to be adsorbed on absorption panel 55.When panel membrane 8
When being fitted on liquid crystal display panel 7, since the adhesive force between panel membrane 8 and liquid crystal display panel 7 is greater than vacuum pump 56 for adsorption plane
The suction of plate 55, panel membrane 8, which can be stablized, to be fitted on liquid crystal display panel 7, and panel membrane 8 and absorption panel 55 are detached from this time, effectively
The smooth of panel membrane 8 is kept, fitting effect seamless and compact between panel membrane 8 and liquid crystal display panel 7 is reached.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (10)
1. a kind of pad pasting auxiliary detection alignment method, which is characterized in that the described method comprises the following steps:
S1: liquid crystal display panel and panel membrane are oppositely arranged, and the pad pasting region of the liquid crystal display panel is towards the panel membrane；
S2: the first image and the panel membrane for obtaining side of the liquid crystal display panel towards the panel membrane are towards the liquid crystal
Second image of the side of panel；
S3: whether the characteristic point of the characteristic point and second image that judge the first image is aligned on preset direction；Its
In, the preset direction is perpendicular to the liquid crystal display panel and the panel membrane；
If the characteristic point of the first image and the characteristic point of second image are aligned on preset direction, step is carried out
S4；If the characteristic point of the first image and the characteristic point of second image are not aligned on preset direction, walked
Rapid S5；
S4: the panel membrane is pasted onto the pad pasting region of the liquid crystal display panel；
S5: adjusting the position of the liquid crystal display panel and the panel membrane, and carries out step S3 again.
2. a kind of pad pasting auxiliary detection alignment method as described in claim 1, which is characterized in that set on the liquid crystal display panel
The first telltale mark is set, the second telltale mark is set on the panel membrane；
In the step S2, the characteristic point of the first image is the picture point of the corresponding image block of first telltale mark,
The characteristic point of second image is the picture point of the corresponding image block of second telltale mark.
3. a kind of pad pasting auxiliary detection alignment method as described in claim 1, which is characterized in that the step S4 includes following
Step:
S41: detecting the relative distance of the panel membrane and the liquid crystal display panel, judges whether relative distance reaches micron-sized pre-
If threshold value, wherein if reaching, then follow the steps S43, if not reaching, then follow the steps S42；
S42: the relative distance of the panel membrane and the liquid crystal display panel is adjusted, and re-execute the steps S41；
S43: the panel membrane and the liquid crystal display panel are bonded.
4. a kind of pad pasting auxiliary detection alignment method as claimed in claim 3, which is characterized in that in step sl, will be described
Liquid crystal display panel is connected on adjustment mechanism, and the panel membrane is arranged on film sticking apparatus；
In step s 2, mechanism will be imaged by driving mechanism to drive between the liquid crystal display panel and the panel membrane, it is described
Camera shooting mechanism obtains the first image and second image and is sent to control centre, and then the driving mechanism will be described
Mechanism is imaged to drive to the gap being detached between the liquid crystal display panel and the panel membrane；
In step s3, the control centre receives the first image and second image, and judges the first image
Characteristic point and the characteristic point of second image whether be aligned on preset direction；
In step s 4, the panel membrane is pasted onto the pad pasting region of the liquid crystal display panel by the film sticking apparatus；
In step s 5, the control centre calculates according to the characteristic point of the first image and the characteristic point of second image
The displacement of the liquid crystal display panel, the position of adjustment mechanism liquid crystal display panel according to the adjustment of displacement of the liquid crystal display panel.
5. a kind of pad pasting auxiliary detection alignment method as claimed in claim 4, which is characterized in that in step S41, by away from
The relative distance of the panel membrane and the liquid crystal display panel is detected from detection device and sends relative distance in the control
The heart receives relative distance by the control centre and judges whether relative distance reaches micron-sized preset threshold；
In step S42: adjusting the relative distance of the panel membrane and the liquid crystal display panel by the adjustment mechanism.
6. a kind of pad pasting auxiliary detection alignment method as claimed in claim 5, which is characterized in that the distance measuring device packet
Include light source emitter and light source receiver, the induction end of the transmitting terminal of the light source emitter and the light source receiver is opposite to be set
Set, the pad pasting region and panel membrane be located at the light source emitter transmitting terminal and the light source receiver induction end it
Between, the light source receiver is electrically connected to the control centre.
7. a kind of pad pasting auxiliary detection alignment method as claimed in claim 4, which is characterized in that the film sticking apparatus include into
Expect mechanism, adhesion mechanism and discharging mechanism, the feeding mechanism is for defeated by the panel membrane and the liquid crystal display panel simultaneously
It is sent to the adhesion mechanism, the adhesion mechanism is used to the panel membrane being bonded in the liquid crystal display panel, the discharging machine
Structure is for the panel membrane bonded and the liquid crystal display panel to be transported to outside the film sticking apparatus.
8. a kind of pad pasting auxiliary detection alignment method as claimed in claim 7, which is characterized in that the film sticking apparatus includes putting
Set platform, roller, elevating mechanism and horizontal mobile mechanism, the rolling surface of the roller and mounting table cooperation support panel
Film, the elevating mechanism are connected to the roller and drive the roller movable in a vertical direction, and the elevating mechanism is fixed
On the mounting table, the horizontal mobile mechanism is connected to the adjustment mechanism and the control adjustment mechanism perpendicular to institute
State the axial direction of roller and perpendicular to movable on the direction of the driving direction of the elevating mechanism.
9. a kind of pad pasting auxiliary detection alignment method as claimed in claim 8, which is characterized in that the film sticking apparatus further includes
Panel and vacuum pump are adsorbed, is provided with several suckers on the absorption panel, the sucker is connected to the air-breathing of the vacuum pump
The one side at end, the opening with the sucker of the absorption panel is used for plate placement film.
10. a kind of pad pasting auxiliary detection alignment method as claimed in claim 4, which is characterized in that the adjustment mechanism is more
Axle linkage device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910319403.5A CN110077002B (en) | 2019-04-19 | 2019-04-19 | Film-sticking auxiliary detection alignment method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910319403.5A CN110077002B (en) | 2019-04-19 | 2019-04-19 | Film-sticking auxiliary detection alignment method |
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| CN110077002A true CN110077002A (en) | 2019-08-02 |
| CN110077002B CN110077002B (en) | 2021-05-28 |
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| CN201910319403.5A Active CN110077002B (en) | 2019-04-19 | 2019-04-19 | Film-sticking auxiliary detection alignment method |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112478262A (en) * | 2020-11-26 | 2021-03-12 | 南昌黑鲨科技有限公司 | Intelligent terminal film pasting positioning method and system |
| CN114919792A (en) * | 2022-06-01 | 2022-08-19 | 中迪机器人(盐城)有限公司 | Steel belt film sticking abnormity detection system and method |
| CN115200480A (en) * | 2022-09-17 | 2022-10-18 | 深圳市巨力方视觉技术有限公司 | Alignment and lamination visual detection system |
| CN115248605A (en) * | 2022-09-22 | 2022-10-28 | 深圳市巨力方视觉技术有限公司 | Motion control visual alignment method and system |
| CN115355823A (en) * | 2022-10-20 | 2022-11-18 | 苏州华兴源创科技股份有限公司 | Film sticking effect detection method and film sticking effect detection equipment |
| CN116714235A (en) * | 2023-06-13 | 2023-09-08 | 深圳研江智能科技有限公司 | Alignment laminating control method and device for explosion-proof industrial tablet personal computer |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112478262A (en) * | 2020-11-26 | 2021-03-12 | 南昌黑鲨科技有限公司 | Intelligent terminal film pasting positioning method and system |
| CN114919792A (en) * | 2022-06-01 | 2022-08-19 | 中迪机器人(盐城)有限公司 | Steel belt film sticking abnormity detection system and method |
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| CN115248605A (en) * | 2022-09-22 | 2022-10-28 | 深圳市巨力方视觉技术有限公司 | Motion control visual alignment method and system |
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| CN116714235A (en) * | 2023-06-13 | 2023-09-08 | 深圳研江智能科技有限公司 | Alignment laminating control method and device for explosion-proof industrial tablet personal computer |
| CN116714235B (en) * | 2023-06-13 | 2024-03-12 | 深圳研江智能科技有限公司 | Alignment laminating control method and device for explosion-proof industrial tablet personal computer |
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