CN112038499A - Packaging device and packaging method for glass panel - Google Patents
Packaging device and packaging method for glass panel Download PDFInfo
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- CN112038499A CN112038499A CN202010863791.6A CN202010863791A CN112038499A CN 112038499 A CN112038499 A CN 112038499A CN 202010863791 A CN202010863791 A CN 202010863791A CN 112038499 A CN112038499 A CN 112038499A
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- 239000011521 glass Substances 0.000 title claims abstract description 66
- 238000004806 packaging method and process Methods 0.000 title claims abstract description 45
- 238000000034 method Methods 0.000 title claims abstract description 21
- 238000003825 pressing Methods 0.000 claims abstract description 96
- 230000007246 mechanism Effects 0.000 claims abstract description 80
- 239000000084 colloidal system Substances 0.000 claims abstract description 42
- 239000003292 glue Substances 0.000 claims description 124
- 239000005357 flat glass Substances 0.000 claims description 86
- 239000011248 coating agent Substances 0.000 claims description 37
- 238000000576 coating method Methods 0.000 claims description 37
- 238000001179 sorption measurement Methods 0.000 claims description 11
- 238000007789 sealing Methods 0.000 claims description 6
- 238000005538 encapsulation Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 7
- 239000004568 cement Substances 0.000 description 18
- 239000006059 cover glass Substances 0.000 description 13
- 239000002184 metal Substances 0.000 description 8
- 238000004140 cleaning Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 239000011120 plywood Substances 0.000 description 5
- 238000001723 curing Methods 0.000 description 4
- 238000010030 laminating Methods 0.000 description 4
- 238000012858 packaging process Methods 0.000 description 4
- 238000005245 sintering Methods 0.000 description 4
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 239000003344 environmental pollutant Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000011368 organic material Substances 0.000 description 3
- 231100000719 pollutant Toxicity 0.000 description 3
- 230000001174 ascending effect Effects 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000007650 screen-printing Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000003892 spreading Methods 0.000 description 2
- 230000007480 spreading Effects 0.000 description 2
- 238000001029 thermal curing Methods 0.000 description 2
- 238000000149 argon plasma sintering Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000007641 inkjet printing Methods 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
- H10K50/80—Constructional details
- H10K50/84—Passivation; Containers; Encapsulations
- H10K50/842—Containers
- H10K50/8426—Peripheral sealing arrangements, e.g. adhesives, sealants
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- Optics & Photonics (AREA)
- Electroluminescent Light Sources (AREA)
Abstract
The invention relates to a packaging device and a packaging method of a glass panel, wherein the packaging device comprises a lower platform, an upper platform moving mechanism, a fixing mechanism and a colloid pressing mechanism; the upper platform is arranged above the lower platform, and the fixing mechanisms are respectively arranged on the upper surface of the lower platform and the lower surface of the upper platform; the upper surface of the upper platform is connected with the upper platform moving mechanism; the colloid pressing mechanism comprises a lifting unit, a pressing plate and a guide rail, the guide rail is arranged in the upper platform and connected with the lifting unit, the guide rail is used for driving the lifting unit to move front and back and left and right, the telescopic end of the lifting unit is connected with the pressing plate, and the bottom surface of the pressing plate is parallel to the lower surface of the upper platform. The technical scheme can improve the packaging effect of the glass panel and endow the display device with greater performance advantages.
Description
Technical Field
The invention relates to the field of OLED (organic light emitting diode) packaging, in particular to a packaging device and a packaging method of a glass panel.
Background
Because display devices (e.g., OLED devices or LCD devices) are particularly sensitive to moisture and oxygen, and are susceptible to failure, resulting in short device lifetimes, they need to be encapsulated. The existing packaging modes are various, such as UV packaging, glass cement packaging or film packaging, and for UV packaging or glass cement packaging, the process is mature, the packaging effect is good, and the packaging mode is still a mainstream packaging mode.
Reference may be made to application No. CN 201610064236.0.
When the coated UV glue or glass glue is aligned and pressed before being cured, the UV glue or glass glue at individual positions can be pressed unevenly due to uneven stress of individual points and the like, and uneven UV glue or glass glue becomes an uneven glue coating area. The uneven colloid coating area can lead to poor packaging effect, and OLED devices are easy to enter water vapor at the later stage, so that the service life is shortened, and the yield is influenced.
The process steps of the UV glue packaging include S1: pre-treating the cover plate glass and the back plate glass, including water vapor cleaning, Plasma cleaning, baking and the like, and removing impurity particles such as pollutants on the surface; s2: filling liquid or solid dry materials on the cover plate glass; s3: UV glue is dripped or printed on the cover plate glass, the structure is shown in figure 1, and OLED organic materials are evaporated or ink-jet printed on the back plate glass; s4: aligning and laminating the cover plate glass and the back plate glass, and laminating and spreading the colloidal UV glue; s5: carrying out ultraviolet curing and thermocuring (if necessary) on the combined plate of the cover plate glass and the back plate glass to completely cure the UV glue; s6: and cutting the combined plate of the cover plate glass and the back plate glass to form a plurality of small plates.
The glass cement packaging process comprises the following steps of S1: pre-treating the cover plate glass and the back plate glass, including water vapor cleaning, Plasma cleaning, baking and the like, and removing impurity particles such as pollutants on the surface; s2: screen printing glass cement on the cover plate glass in a screen printing mode, wherein the structure is shown in figure 2, and meanwhile, evaporating or ink-jet printing OLED organic materials on the back plate glass; s3: placing the cover plate glass printed with the glass cement into a pre-sintering furnace for pre-sintering, and primarily baking water vapor in the glass cement; s4: coating UV glue on the outer frame of the pre-sintered cover glass to further enhance the sealing property and form good support between the cover glass and the back plate glass; s5: aligning and laminating the cover plate glass and the back plate glass, and laminating and spreading the colloidal UV glue; s6: curing the plywood by ultraviolet light and thermal curing (if necessary) to completely cure the UV glue; s7: carrying out laser sintering on the glass cement on the plywood to ensure that the plywood is well sealed; s8: the plate of both cover and back glass is cut to form the final platelets.
Disclosure of Invention
Therefore, a packaging device and a packaging method for a glass panel are needed to be provided, so that the problem of non-uniformity of UV glue or glass glue during pressing is solved.
In order to achieve the above object, this embodiment provides a glass panel packaging apparatus, which includes a lower platform, an upper platform moving mechanism, a fixing mechanism, and a glue pressing mechanism;
the upper platform is arranged above the lower platform, the fixing mechanisms are respectively arranged on the upper surface of the lower platform and the lower surface of the upper platform, the fixing mechanism on the upper surface of the lower platform is used for fixing the cover plate glass, and the fixing mechanism on the lower surface of the upper platform is used for fixing the back plate glass;
the upper surface of the upper platform is connected with the upper platform moving mechanism, and the upper platform moving mechanism is used for controlling the upper platform to rotate, ascend and descend;
the colloid pressing mechanism comprises a lifting unit, a pressing plate and a guide rail, the guide rail is arranged in the upper platform and connected with the lifting unit, the guide rail is used for driving the lifting unit to move front and back and left and right, the telescopic end of the lifting unit is connected with the pressing plate, and the bottom surface of the pressing plate is parallel to the lower surface of the upper platform.
Further, the lifting unit includes a first motor and a first lead screw;
the first motor is connected with the guide rail, the first motor is connected with the first lead screw, the first lead screw is further connected with the pressing plate, and the first motor is used for driving the telescopic end of the first lead screw to ascend or descend.
Furthermore, the colloid pressing mechanisms are multiple, and the colloid pressing mechanisms comprise a plurality of lifting units and a plurality of pressing plates;
the plurality of lifting units are connected with the guide rail, and one lifting unit is connected with one pressing plate.
Furthermore, a plurality of guide rails in the colloid pressing mechanism are sequentially arranged in a surrounding manner, and each guide rail is provided with a lifting unit and a pressing plate.
Further, the upper platform moving mechanism comprises a second motor and a second lead screw;
the second motor is connected with the second lead screw, the second motor is used for driving the telescopic end of the second lead screw to ascend or descend, and the telescopic end of the second lead screw is connected with the upper platform.
Further, the device also comprises a laser scanner;
the laser scanner is arranged at the upper platform and used for detecting the colloid width of the colloid coating area.
Further, the laser scanner is disposed at the platen in the upper stage.
Further, the fixing mechanism comprises an air hole and an adsorption device;
the air holes are multiple and evenly arranged on the lower platform and the upper platform, the adsorption device is communicated with the air holes, and the adsorption device is used for generating negative pressure to enable the air holes to adsorb cover plate glass or back plate glass.
The present embodiment further provides a glass panel packaging method, which is applied to the glass panel packaging device according to the above embodiment, the glass panel packaging device further includes a control system, the control system is connected to the laser scanner and the lifting unit, and the driving method performs the following steps:
the control system judges whether the width of the colloid between the cover plate glass and the back plate glass is smaller than a preset width or not through the laser scanner, if so, the control system controls the lifting unit to move to the colloid with the width smaller than the preset width, the control system controls the lifting unit to drive the pressing plate downwards to press the colloid, the width of the colloid reaches the preset width, and the lifting unit is controlled to lift the pressing plate upwards;
and circulating the steps until the laser scanner detects that the width of the colloid between the cover plate glass and the back plate glass reaches the preset width, and stopping driving the lifting unit.
Be different from prior art, above-mentioned technical scheme is through designing colloid pressing mechanism, and lifting unit, clamp plate among the colloid pressing mechanism can be followed the guide rail and removed and present inhomogeneous UV and glue (or glass glue) department after the first pressfitting, and lifting unit drives the clamp plate and carries out UV below the secondary pressfitting and glue (or glass glue), makes UV glue (or glass glue) evenly spread out and reach (or more be close to) predetermined width. Meanwhile, the pressure of the secondary pressing applied by the pressing plate and the lifting unit is smaller, so that the back plate cannot be damaged, and the possibility of breaking the back plate due to crushing does not exist. The packaging effect of the display device can be improved, the yield of products can be improved, and the display device is endowed with greater performance advantages.
Drawings
FIG. 1 is a schematic cross-sectional view of a UV adhesive disposed between a back plate glass and a cover plate glass in the prior art;
FIG. 2 is a schematic cross-sectional view of a glass paste disposed between the back plate glass and the cover plate glass in the prior art;
FIG. 3 is a top view of the cover glass before being laminated according to the embodiment;
fig. 4 is a structural side view of the glue pressing mechanism according to the embodiment;
FIG. 5 is a side view of the structure of the glass panel package device according to the present embodiment;
FIG. 6 is a schematic cross-sectional view of the nonuniform gel coating area according to the present embodiment;
FIG. 7 is a schematic cross-sectional view of a pressing plate with a rectangular cross-section according to the present embodiment;
FIG. 8 is a schematic cross-sectional view of a press plate with an oval cross-section according to the present embodiment;
fig. 9 is a schematic cross-sectional view of the pressing plate with a hexagonal cross-section according to the present embodiment.
Description of reference numerals:
1. an upper platform;
11. an upper platform moving mechanism;
111. a second motor;
112. a second lead screw;
12. a colloid pressing mechanism;
121. a first motor;
122. a first lead screw;
123. pressing a plate;
2. a lower platform;
21. a lower platform lifting mechanism;
3. a colloid coating area;
31. an outer frame colloid coating area;
32. an inner frame colloid coating area;
33. a non-uniform gel coating zone;
4. cover plate glass;
5. back plate glass;
6. a display area.
Detailed Description
To explain technical contents, structural features, and objects and effects of the technical solutions in detail, the following detailed description is given with reference to the accompanying drawings in conjunction with the embodiments.
Referring to fig. 1 to 9, the present embodiment provides a glass panel packaging apparatus, which includes a lower platform 2, an upper platform 1, an upper platform moving mechanism 11, a fixing mechanism and a glue pressing mechanism 12. The upper platform 1 is located above the lower platform 2. The upper surface of the lower platform 2 is provided with a fixing mechanism, and the fixing mechanism on the upper surface of the lower platform 2 is used for fixing the cover plate glass 4. The fixing mechanism is also arranged on the lower surface of the upper platform 1, the fixing mechanism on the lower surface of the upper platform 1 is used for fixing the back plate glass 5, and generally, the size of the back plate glass 5 is the same as that of the cover plate glass 4. The upper platform moving mechanism 11 is arranged on the upper surface of the upper platform 1, and the upper platform moving mechanism 11 is used for controlling the upper platform to rotate, ascend and descend so that the back plate glass fixed on the upper platform 1 and the cover plate glass fixed on the lower platform 2 are aligned and pressed. The glue pressing mechanism 12 includes a lifting unit, a pressing plate 123 and a guide rail. The guide rail sets up in upper mounting plate 1, the guide rail with the lift unit is connected, the guide rail is used for driving the lift unit around and move about. The flexible end of the lifting unit is connected with the pressing plate 123, the bottom surface of the pressing plate 123 is parallel to the lower surface of the upper platform, and the surface of the pressing plate 123 is flat and can uniformly press down UV glue or glass glue.
It should be noted that the glue coating Area 3 is UV glue or glass glue coated on the cover glass 4, the glue coating Area 3 is located outside a display Area 6 (an Active Area, abbreviated as AA Area) of the back plate glass 5 (or the cover glass 4), and the UV glue or glass glue on the glue coating Area surrounds the AA Area and forms a good seal with the AA Area, and the structure is shown in fig. 3.
The existing UV glue (or glass glue) often has a non-uniform problem after lamination, and the structure is shown in FIG. 6. The non-uniform glue may affect the encapsulation effect of the OLED device and reduce the lifetime of the OLED device. According to the technical scheme, by designing the colloid pressing mechanism, the lifting unit and the pressing plate in the colloid pressing mechanism can move to the position of uneven UV glue (or glass glue) after primary pressing along the guide rail, the lifting unit drives the pressing plate to carry out UV glue (or glass glue) below secondary pressing, so that the UV glue (or glass glue) is uniformly spread and reaches (or is closer to) the preset width. Meanwhile, the pressure of the secondary pressing applied by the pressing plate and the lifting unit is smaller, so that the back plate cannot be damaged, and the possibility of breaking the back plate due to crushing does not exist. The packaging effect of the display device can be improved, the yield of products can be improved, and the display device is endowed with greater performance advantages.
It should be noted that the glue pressing device further comprises a control system, and the control system is electrically connected with the motor and the lifting unit of the glue pressing mechanism 12. The control system may control the lifting unit to move in the guide rail and lower the pressing plate 123 by the lifting unit to press down the uneven UV paste or glass paste.
It should be noted that the UV glue is also called shadowless glue, photosensitive glue, and ultraviolet light curing glue, and the UV glue is a kind of adhesive that can be cured only by ultraviolet light irradiation, and is commonly used in the packaging process of display devices (OLED devices or LCD devices). Glass frit (frit glue) is also an adhesive used in the packaging process of OLED devices.
Please refer to fig. 3 and 4, in the glass cement packaging method, when the UV cement is coated on the outer frame cement coating area 31, the width thereof is 2mm (mm) to 5mm (mm); when the inner frame colloid coating area 32 is coated with glass cement, the width is 0.2 mm-2.5 mm. When the packaging mode is adopted, the glass glue mainly plays a role in packaging the inner frame glue body coating area 32, the UV glue plays a role in auxiliary packaging on the outer frame glue body coating area 31, and the UV glue of the outer frame plays a role in supporting the upper cover plate and the lower back plate more importantly.
It should be noted that, referring to fig. 3 and 4, in the UV glue packaging mode, when the UV glue is applied on the inner frame glue applying area 32, the width thereof is 0.3mm to 2.5 mm; the UV glue is coated on the outer frame glue coating area 31. When the packaging method is adopted, the UV glue mainly plays a role in packaging on the inner frame glue body coating area 32, and can be continuously coated or not coated on the outer frame glue body coating area 31.
It is noted that the guide rail may be a left-right back-and-forth movement guide rail like in a 3D printer.
In this embodiment, the lifting unit includes a first motor fixing base, a first motor 121, and a first lead screw 122, and the structure is as shown in fig. 4 and 5. The first motor fixing seat is slidably sleeved on the guide rail, and the first motor 121 is arranged on the first motor fixing seat. If a pulley is arranged at the joint of the first motor base and the guide rail, the first motor 121 can reciprocate on the guide rail through the pulley. The rotating shaft of the first motor 121 is connected to one end of the first lead screw 122. The first motor 121 is, for example, a stepping motor. The first motor is used for driving the telescopic end of the first lead screw to ascend or descend, and the telescopic end of the first lead screw 122 is connected with the pressure plate 123. Preferably, first lead screw 122 is disposed perpendicular to a lower surface of the upper platform.
For example, the first lead screw 122 includes a first nut and a first movable rod, the first nut is sleeved on the thread of the first lead screw, the first nut is used for moving on the first lead screw when the first lead screw rotates, and at this time, the other end of the first lead screw may be connected to the first motor fixing seat. First nut swing joint is on first movable rod, and the both ends of first movable rod are fixed on first motor cabinet, first movable rod with first lead screw is parallel, and first movable rod is used for restricting the rotation of first nut. The first nut is connected with the pressure plate through a connector, and the pressure plate is arranged below the first guide screw rod. At this time, the first lead screw cannot move up and down, and the first nut moves up and down.
Or in some embodiments, the first lead screw does not need to be provided with a first nut, the first lead screw can rotate to ascend or descend when the rotating shaft of the motor rotates, and the bottom of the first lead screw is connected with the pressing plate. The motor has a space to accommodate the upward movement of the first lead screw. The first lead screw can also drive the pressure plate to ascend or descend in the ascending or descending process.
In some embodiments, the lifting unit is a telescopic rod driven by a cylinder or a hydraulic cylinder, and the lifting unit slides along the guide rail. Preferably, the telescopic rod is arranged vertically. The telescopic end of the telescopic rod performs reciprocating linear motion in the cylinder body. The flexible end of telescopic link is connected with the clamp plate, thereby the flexible end of telescopic link reciprocates and drives the clamp plate.
In this way, the lifting unit can control the pressing plate 123 to ascend and descend, so as to apply pressure to the back glass 5 above the uneven glue coating area 33, and the uneven UV glue or glass glue at the position can be spread again.
In the present embodiment, in order to make the shape of the pressing mechanism correspond to the shape of the glue coating area 3 between the cover glass 4 and the back glass 5, a plurality of pressing mechanisms are provided. The plurality of colloid pressing mechanisms 12 include a plurality of lifting units and a plurality of pressing plates 123, the plurality of lifting units are connected in one guide rail, and one lifting unit is connected with one pressing plate 123, and the structure is shown in fig. 4 and 5.
Preferably, the shape of the plurality of guide rails is used for corresponding to the shape of the glue coating area 3 between the cover glass 4 and the back plate glass 5, that is, the shape of the guide rails is the same as the standard shape (or called a preset shape) of the glue coating area 3 between the back plate glass 5 and the cover glass 4, so that the pressing plate 123 in the glue pressing mechanism 12 can press the glue coating area 3. In general, the shape of the guide rail may be a long strip, or may be a closed rectangle or a circle, such as: the colloid coating area 3 is rectangular, so the guide rail is also rectangular or four long strips (used for splicing into a rectangle); the glue application area 3 is circular in shape, and the guide rail is then also circular in shape or in the shape of a plurality of arcs (for splicing into a circle).
In the present embodiment, since the glue applying region is divided into an outer frame glue applying region 31 and an inner frame glue applying region 32, the outer frame glue applying region 31 surrounds the outside of the inner frame glue applying region 32, and the structure is as shown in fig. 4 and 5. Therefore, the colloid pressing mechanism 12 is designed to be multiple, and the guide rails in each colloid pressing mechanism 12 are sequentially arranged in a ring shape. Preferably, there are two pressing mechanisms, and the shape of the guide rail in the first glue pressing mechanism 12 is the same as the shape of the outer frame glue application area 31. The shape of the guide rail in the second glue pressing mechanism 12 is the same as that of the inner frame glue application area 32. In some embodiments, if the glue application area is an area with three, four or even more glue applications, the guide rails of the glue pressing mechanism 12 are correspondingly adapted to the glue application areas (one-to-one).
In this embodiment, the upper platform moving mechanism 11 is used to control the upper platform to move, for example, the upper platform moving mechanism 11 controls the upper platform to move up, down, left, right, front, back and rotate, so as to facilitate fine adjustment of the position of the upper platform and the lower platform when they are pressed together, and the structure is shown in fig. 4 and 5. The upper platform moving mechanism 11 includes a second motor fixing seat, a second lead screw 112 and a second motor 111. The second motor fixing seat is provided with the second motor 111, and the second motor 111 is a stepping motor. An output shaft of the second motor 111 is connected to the second lead screw 112, the second lead screw 112 can rotate when the output shaft of the second motor rotates, the second motor is used for driving a telescopic end of the second lead screw to ascend or descend, and the telescopic end of the second lead screw is connected to the upper platform. The top of the upper platform is provided with an opening for accommodating the second motor fixing seat.
For example, the second lead screw 112 includes a second nut (i.e. a telescopic end) and a second movable rod, the second nut is sleeved on the thread of the second lead screw, and the second nut is used for moving on the first lead screw when the first lead screw rotates. The second nut swing joint is on the second movable rod, and the both ends of second movable rod are fixed on the second motor cabinet, the second movable rod with the second lead screw is parallel, and the second movable rod is used for restricting the rotation of second nut. The second screw cap is connected with the pressing platform.
Or, the second lead screw need not to set up the second nut, the second lead screw can rotatory rise or descend when the pivot of motor rotates, the bottom of second lead screw is connected with the clamp plate, has certain space in the second motor to hold the second lead screw and move up. The second lead screw can also drive the upper platform to ascend or descend in the ascending or descending process.
Meanwhile, the second motor fixing seat is fixed above the upper platform through a mechanical arm, and the mechanical arm can drive the second motor fixing seat to move up and down, left and right, front and back, rotate and the like.
Or in some embodiments, the second motor fixing seat is connected to a rotating platform through a lifting mechanism, the rotating platform drives the second motor fixing seat to rotate, and the lifting mechanism drives the second motor fixing seat to ascend or descend.
In this embodiment, in order to detect the width of the UV paste or the glass paste on the paste coating area, a laser scanner is further included. The laser scanner is disposed at the platen 123, such as on a bottom surface, a sidewall, or a top of the platen 123. The laser scanner can detect the width of the UV glue (or glass glue) between the back plate glass 5 and the cover glass 4, and determine whether the width of the UV glue (or glass glue) at the detection position is smaller than the glue width at the side uniform position. For example, when the difference between the glue width of the test glue application area and the glue width of the uniform glue application area is a certain ratio (e.g., 5%, 6%, 7%), the difference refers to the ratio of the difference between the glue width of the test glue application area and the glue width of the uniform glue application area to the glue width of the uniform glue application area. Laser scanner electricity is connected with control system, laser scanner feeds back the signal respectively through control system the clamp plate 123 the upper mounting plate informs the upper mounting plate stops to push down to let the lifting unit control the clamp plate 123 pushes down the backplate glass 5 of inhomogeneous colloid coating district 33 top. The pressing plate 123 applies pressure to the position of the uneven glue coating area 33, and the displacement amount represented by the pressure of the secondary pressing is small, so that the back plate glass 5 is not damaged, and the possibility of breakage of the back plate glass 5 does not exist.
In this embodiment, the device further comprises a lower platform lifting mechanism 21, the lower platform lifting mechanism 21 is connected with the lower platform, and the lower platform lifting mechanism 21 is used for enabling the lower platform to ascend and descend. Similarly, the lower platform lifting mechanism 21 is a telescopic rod structure driven by an air cylinder or a hydraulic cylinder, and is similar to the lifting unit in the upper platform moving mechanism 11.
In this embodiment, since the back plate glass 5 and the cover glass 4 are respectively disposed on the upper platform and the lower platform, a fixing mechanism is designed to fix the back plate glass 5 and the cover glass 4. The fixing mechanism comprises an air hole, the lower surface of the upper platform or the upper surface of the lower platform can be a metal plate with the air hole, and the thickness of the metal plate is only required to enable the metal plate to absorb the cover plate glass or the back plate glass. The metal sheet has the characteristic of deformation, and when the lifting unit drives the clamp plate to press the metal sheet, the metal sheet can deform to adsorb cover plate glass or back plate glass. And introducing a little gas into the part between the metal plate and the glass to change the pressure between the metal plate and the glass from the original negative pressure to the positive pressure, so that the cover plate glass or the back plate glass can fall off.
In order to increase the adsorption force of the fixing mechanism, the fixing mechanism further comprises an adsorption device, the adsorption device is communicated with the air hole, and the adsorption device is used for generating negative pressure to enable the air hole to adsorb the cover plate glass or the back plate glass. The adsorption device, such as an air extractor or a vacuum pump, provides a strong suction force to adsorb the cover glass 4 or the back plate glass 5, so that the cover glass 4 or the back plate glass 5 does not fall off.
Preferably, the number of the air holes is multiple, the multiple air holes are uniformly arranged on the lower platform and/or the upper platform, and the adsorption force of the fixing mechanism can be improved to a certain extent after the number of the air holes is increased.
In the present embodiment, the cross-section of the pressing plate 123 has one or more of a rectangular shape, a circular shape, an oval shape, a triangular shape, or a polygonal shape. Preferably, the cross-section of the pressing plate 123 is rectangular, and the rectangular structure has a large area utilization ratio, and can still cover the uneven glue application area 33 under the condition of small size, and the structure is shown in fig. 7. In fig. 8, the cross-section of the platen 123 is elliptical. In fig. 9, the platen 123 is hexagonal in cross-section.
In this embodiment, the width of the pressing plate 123 is greater than the glue width of the outer frame glue coating area or the inner frame glue coating area, so that the pressing plate 123 can completely cover the glue coating area and perform fine adjustment. Generally, the central axis of the pressing plate 123 coincides with the central axis of the lower gel coating region. Because the widths of the outer frame gel application region 31 and the inner frame gel application region 32 are different, the sizes of the pressing plates 123 at the two positions are also different. In the outer frame glue body coating area 31, the width H1 of the pressing plate 123 is 5mm to 10mm, the width H1 of the pressing plate 123 is greater than the width H1 of the outer frame glue body coating area 31, and the length of the pressing plate 123 is 10mm to 30 mm. In the inner frame glue body coating area 32, the width H2 of the pressing plate 123 is 1mm to 5mm, the width H2 of the pressing plate 123 is greater than the width H2 of the outer frame glue body coating area 31, and the length of the pressing plate 123 is 10mm to 30 mm.
The present embodiment further provides a glass panel packaging method, applied to the glass panel packaging apparatus according to the present embodiment, wherein the control system is connected to the laser scanner, the lifting unit, the upper platform moving mechanism and the fixing mechanism, and the driving method performs the following steps:
laser scanner judges whether the width of colloid is less than predetermineeing the width between cover plate glass and the backplate glass, if, then control system control lift unit moves the colloid department that the width is less than predetermineeing the width, and control system control lift unit drives the colloid that the clamp plate comes the pressfitting width to be less than the default downwards for the width of the pressfitting department on the colloid reachs predetermineeing the width, and control lift unit upwards lifts the clamp plate.
And circulating the steps until the laser scanner detects that the width of the colloid between the cover plate glass and the back plate glass reaches the preset width, and stopping driving the lifting unit.
The embodiment further provides a display panel packaging process, which is applied to the glass panel packaging device in the embodiment, and the process comprises the following steps:
s1: and cleaning the cover plate glass and the back plate glass, including water vapor cleaning, Plasma cleaning, baking and the like, so as to remove pollutants on the surfaces of the cover plate glass and the back plate glass.
S2: the cover plate glass is filled with a liquid or solid drying material, UV glue or glass glue is printed on the cover plate glass, and meanwhile, an evaporation material (OLED organic material) is evaporated or ink-jet printed on the back plate glass.
S3: if the cover plate glass is printed with the glass cement, the cover plate glass printed with the glass cement is placed into a pre-sintering furnace for pre-sintering, water vapor in the glass cement is primarily baked, and then the outer frame of the pre-sintered cover plate glass is coated with the UV cement.
S4: the upper platform moving mechanism controls the upper platform to move downwards, the cover plate glass and the back plate glass are aligned and pressed, and the UV glue (or glass glue) is spread after being pressed, namely, the first pressing is carried out.
S5: the laser scanner measures the glue width of the UV glue after the first pressing in real time, when the phenomenon of uneven pressing is found, the lifting unit in the upper platform moving mechanism is controlled to move to the position, the lifting unit controls the small pressing plate to descend and glue the position for secondary pressing (namely a glass panel packaging method), the glue width of the UV glue at other uniform positions is synchronously compared, and pressing is stopped when the error is less than 5%, so that the pressing process is completed.
S6: carrying out ultraviolet curing on the plywood of the cover plate glass and the back plate glass to completely cure the UV glue, wherein a UV packaging mode is adopted; or the glass cement on the plywood of the cover plate glass and the back plate glass is sintered by laser to be well sealed, and the glass cement is packaged by adopting a glass cement packaging mode.
S7: and cutting the combined plate of the cover plate glass and the back plate glass to form a plurality of final small plates.
It should be noted that, although the above embodiments have been described herein, the invention is not limited thereto. Therefore, based on the innovative concepts of the present invention, the technical solutions of the present invention can be directly or indirectly applied to other related technical fields by making changes and modifications to the embodiments described herein, or by using equivalent structures or equivalent processes performed in the content of the present specification and the attached drawings, which are included in the scope of the present invention.
Claims (9)
1. The packaging device for the glass panel is characterized by comprising a lower platform, an upper platform moving mechanism, a fixing mechanism and a colloid pressing mechanism;
the upper platform is arranged above the lower platform, the fixing mechanisms are respectively arranged on the upper surface of the lower platform and the lower surface of the upper platform, the fixing mechanism on the upper surface of the lower platform is used for fixing the cover plate glass, and the fixing mechanism on the lower surface of the upper platform is used for fixing the back plate glass;
the upper surface of the upper platform is connected with the upper platform moving mechanism, and the upper platform moving mechanism is used for controlling the upper platform to rotate, ascend and descend;
the colloid pressing mechanism comprises a lifting unit, a pressing plate and a guide rail, the guide rail is arranged in the upper platform and connected with the lifting unit, the guide rail is used for driving the lifting unit to move front and back and left and right, the telescopic end of the lifting unit is connected with the pressing plate, and the bottom surface of the pressing plate is parallel to the lower surface of the upper platform.
2. A glazing panel sealing arrangement as claimed in claim 1, wherein the lifting unit comprises a first motor and a first lead screw;
the first motor is connected with the guide rail, the first motor is connected with the first lead screw, the first lead screw is further connected with the pressing plate, and the first motor is used for driving the telescopic end of the first lead screw to ascend or descend.
3. The apparatus as claimed in claim 1, wherein the plurality of glue pressing mechanisms comprises a plurality of lifting units and a plurality of pressing plates;
the plurality of lifting units are connected with the guide rail, and one lifting unit is connected with one pressing plate.
4. A glass panel sealing apparatus as claimed in claim 3, wherein a plurality of the guide rails of the glue pressing mechanism are sequentially arranged in a ring, and each of the guide rails is provided with a lifting unit and a pressing plate.
5. A glazing panel encapsulation device as claimed in claim 1, wherein said upper platform movement mechanism comprises a second motor and a second lead screw;
the second motor is connected with the second lead screw, the second motor is used for driving the telescopic end of the second lead screw to ascend or descend, and the telescopic end of the second lead screw is connected with the upper platform.
6. A glazing panel encapsulation device according to claim 1, further comprising a laser scanner;
the laser scanner is arranged at the upper platform and used for detecting the colloid width of the colloid coating area.
7. A glazing panel sealing arrangement according to claim 6, wherein the laser scanner is provided at the platen in the upper platform.
8. A glazing panel package according to claim 1, wherein the fixing means comprises an air hole and suction means;
the air holes are multiple and evenly arranged on the lower platform and the upper platform, the adsorption device is communicated with the air holes, and the adsorption device is used for generating negative pressure to enable the air holes to adsorb cover plate glass or back plate glass.
9. A glass panel sealing method applied to a glass panel sealing device as claimed in claim 6, further comprising a control system connected to the laser scanner and the lifting unit, wherein the method comprises the following steps:
the control system judges whether the width of the colloid between the cover plate glass and the back plate glass is smaller than a preset width or not through the laser scanner, if so, the control system controls the lifting unit to move to the colloid with the width smaller than the preset width, the control system controls the lifting unit to drive the pressing plate downwards to press the colloid, the width of the colloid reaches the preset width, and the lifting unit is controlled to lift the pressing plate upwards;
and circulating the steps until the laser scanner detects that the width of the colloid between the cover plate glass and the back plate glass reaches the preset width, and stopping driving the lifting unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010863791.6A CN112038499A (en) | 2020-08-25 | 2020-08-25 | Packaging device and packaging method for glass panel |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010863791.6A CN112038499A (en) | 2020-08-25 | 2020-08-25 | Packaging device and packaging method for glass panel |
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| CN112038499A true CN112038499A (en) | 2020-12-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010863791.6A Pending CN112038499A (en) | 2020-08-25 | 2020-08-25 | Packaging device and packaging method for glass panel |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113867022A (en) * | 2021-10-19 | 2021-12-31 | 铜陵富博科技有限公司 | LCD glass fast curing device |
| CN115901440A (en) * | 2022-10-26 | 2023-04-04 | 无锡车联天下信息技术有限公司 | Integrated assessment and detection machine for cementing quality and mechanical property and use method thereof |
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| CN115901440A (en) * | 2022-10-26 | 2023-04-04 | 无锡车联天下信息技术有限公司 | Integrated assessment and detection machine for cementing quality and mechanical property and use method thereof |
| CN115901440B (en) * | 2022-10-26 | 2024-01-16 | 无锡车联天下信息技术有限公司 | Cementing quality and mechanical property integrated evaluation and detection machine and application method thereof |
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