WO2013063824A1 - 配向液干燥装置及玻璃基板传送设备 - Google Patents

配向液干燥装置及玻璃基板传送设备 Download PDF

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Publication number
WO2013063824A1
WO2013063824A1 PCT/CN2011/082039 CN2011082039W WO2013063824A1 WO 2013063824 A1 WO2013063824 A1 WO 2013063824A1 CN 2011082039 W CN2011082039 W CN 2011082039W WO 2013063824 A1 WO2013063824 A1 WO 2013063824A1
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WIPO (PCT)
Prior art keywords
belt
driving
glass substrate
conveyor belt
conveying mechanism
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Ceased
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PCT/CN2011/082039
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English (en)
French (fr)
Inventor
余少鑫
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TCL China Star Optoelectronics Technology Co Ltd
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Shenzhen China Star Optoelectronics Technology Co Ltd
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Priority to US13/380,065 priority Critical patent/US20130104417A1/en
Publication of WO2013063824A1 publication Critical patent/WO2013063824A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C17/00—Surface treatment of glass, not in the form of fibres or filaments, by coating
    • C03C17/28—Surface treatment of glass, not in the form of fibres or filaments, by coating with organic material
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C2218/00—Methods for coating glass
    • C03C2218/30—Aspects of methods for coating glass not covered above
    • C03C2218/32—After-treatment

Definitions

  • the present invention relates to a transfer device, and more particularly to an alignment liquid drying device and a glass substrate transfer device.
  • an alignment film is a functional film layer for ensuring that liquid crystal molecules are oriented as desired and form a certain pretilt angle.
  • the formation mechanism of the alignment film is to spray the alignment liquid onto the glass substrate through the inkjet head and the nozzle, and then heat the alignment liquid to volatilize about 80% of the organic solvent in the alignment liquid to increase the viscosity of the alignment liquid. Degree, thereby forming an alignment film having a certain thickness.
  • the prior art alignment liquid pre-drying method is to heat the substrate to 90 ° C by infrared radiant heating plate to evaporate various solvents in the alignment liquid, and the solid content of the alignment liquid is improved.
  • the material of the thimble for supporting the glass substrate during heating is not completely thermally insulated, so that the glass substrate is heated unevenly, thereby causing the glass substrate. Defects in uneven coating may occur.
  • the two sets of thimble systems take turns to reduce the contact time of the thimble and the glass substrate at the same place.
  • Two sets of independent thimble systems are used, one of which is a fixed thimble for supporting the glass substrate and the other is a moving thimble, which can be used to control the movement of the glass substrate, and the contact position of the fixed thimble and the glass substrate changes. Thereby reducing the contact time of the thimble at the same place as the glass substrate.
  • the thimble support method is still used, and when the alignment liquid is pre-baked, the streaky defects of the glass substrate due to heat absorption and heat loss inconsistency cannot be completely avoided.
  • the main object of the present invention is to provide an alignment liquid drying device which conveys a glass substrate by means of belt conveyance, so that when the alignment liquid is pre-baked, the absorption and consumption of the heat source in the surface of the glass substrate are uniform, and no coating occurs. Defects with uneven coverage.
  • the invention provides an alignment liquid drying device, comprising: a heating container for drying a glass substrate coated with an alignment liquid; and a belt conveying mechanism for conveying the glass substrate, wherein the belt conveying mechanism is disposed in the heating container
  • the belt conveying mechanism comprises a conveyor belt, the conveying surface of the conveyor belt is for carrying the glass substrate, the conveyor belt is a Teflon conveyor belt, and the width of the Teflon conveyor belt is greater than or equal to the glass substrate and the conveyor belt
  • the surface on which the conveying surface contacts is perpendicular to the length of the side in the running direction of the conveyor belt; a heater is provided on the inner wall of the heating container, the heater being disposed on the conveying surface of the conveyor belt, the heater being Infrared heater.
  • the heating container includes an inlet and an outlet opposite to the inlet, the glass substrate enters the heating container through the inlet, and is outputted to the outside of the heating container through the outlet, both sides of the heating container Also provided are two baffles that match the inlet and outlet, through which the heating vessel is sealed.
  • the belt conveying mechanism further includes a driving wheel and a driven wheel supporting the conveyor belt, and the conveyor belt is closed in a circle around the driving wheel and the driven wheel.
  • the belt transport mechanism further includes a drive device including a drive belt and a drive motor, the drive motor driving the conveyor belt through the drive belt.
  • a drive device including a drive belt and a drive motor, the drive motor driving the conveyor belt through the drive belt.
  • the driving device further includes a driving shaft that drives the driving wheel to rotate and a driven shaft that drives the driven wheel to rotate, the driving wheel is closed in a circle around the driving shaft, and the driven wheel is wound around The driven shaft is closed in one turn, and the driving belt is two.
  • One driving belt is closed around the rotating shaft of the driving motor and one end of the driving shaft, and the other driving belt is wound around the other end of the driving shaft.
  • one end of the driven shaft on the same side of the conveyor belt as the other end of the drive shaft is closed in one turn.
  • the present invention also provides an alignment liquid drying device comprising: a heating container for drying a glass substrate coated with an alignment liquid; and a belt conveying mechanism for conveying the glass substrate, wherein the belt conveying mechanism is disposed in the heating container,
  • the belt conveying mechanism includes a conveyor belt, a conveying surface of the conveyor belt for carrying the glass substrate, and a heater on an inner wall of the heating vessel, the heater being disposed on a conveying surface of the conveyor belt.
  • the conveyor belt is a Teflon conveyor belt having a width greater than or equal to a length of a side of the glass substrate that is in contact with the conveying surface of the conveyor belt perpendicular to the running direction of the conveyor belt.
  • the heater is an infrared heater.
  • the heating container includes an inlet and an outlet opposite to the inlet, the glass substrate enters the heating container through the inlet, and is outputted to the outside of the heating container through the outlet, both sides of the heating container Also provided are two baffles that match the inlet and outlet, through which the heating vessel is sealed.
  • the belt conveying mechanism further includes a driving wheel and a driven wheel supporting the conveyor belt, and the conveyor belt is closed in a circle around the driving wheel and the driven wheel.
  • the belt transport mechanism further includes a drive device including a drive belt and a drive motor, the drive motor driving the conveyor belt through the drive belt.
  • a drive device including a drive belt and a drive motor, the drive motor driving the conveyor belt through the drive belt.
  • the driving device further includes a driving shaft that drives the driving wheel to rotate and a driven shaft that drives the driven wheel to rotate, the driving wheel is closed in a circle around the driving shaft, and the driven wheel is wound around The driven shaft is closed in one turn, and the driving belt is two.
  • One driving belt is closed around the rotating shaft of the driving motor and one end of the driving shaft, and the other driving belt is wound around the other end of the driving shaft.
  • one end of the driven shaft on the same side of the conveyor belt as the other end of the drive shaft is closed in one turn.
  • the present invention also provides a glass substrate transfer apparatus including a first transport mechanism, a second transport mechanism, and an alignment liquid drying device, wherein the first transport mechanism and the second transport mechanism are respectively disposed in the alignment liquid drying device
  • the first conveying mechanism conveys the glass substrate to the alignment liquid drying device
  • the second conveying mechanism transmits the glass substrate outputted by the alignment liquid drying device
  • the alignment liquid drying device includes a heating container for drying a glass substrate coated with an alignment liquid, and a belt conveying mechanism for conveying the glass substrate, wherein the belt conveying mechanism is disposed in the heating container, the belt conveying mechanism includes a conveyor belt, and the conveyor belt is conveyed
  • the surface is for carrying the glass substrate, and a heater is provided on the inner wall of the heating container, the heater being disposed on the conveying surface of the conveyor belt.
  • the conveyor belt is a Teflon conveyor belt having a width greater than or equal to a length of a side of the glass substrate that is in contact with the conveying surface of the conveyor belt perpendicular to a running direction of the conveyor belt.
  • the heater is an infrared heater.
  • the heating container includes an inlet and an outlet opposite to the inlet, the glass substrate enters the heating container through the inlet, and is outputted to the outside of the heating container through the outlet, both sides of the heating container Also provided are two baffles that match the inlet and outlet, through which the heating vessel is sealed.
  • the belt conveying mechanism further includes a driving wheel and a driven wheel supporting the conveyor belt, and the conveyor belt is closed in a circle around the driving wheel and the driven wheel.
  • the belt transport mechanism further includes a drive device including a drive belt and a drive motor, the drive motor driving the conveyor belt through the drive belt.
  • a drive device including a drive belt and a drive motor, the drive motor driving the conveyor belt through the drive belt.
  • the driving device further includes a driving shaft that drives the driving wheel to rotate and a driven shaft that drives the driven wheel to rotate, the driving wheel is closed in a circle around the driving shaft, and the driven wheel is wound around The driven shaft is closed in one turn, and the driving belt is two.
  • One driving belt is closed around the rotating shaft of the driving motor and one end of the driving shaft, and the other driving belt is wound around the other end of the driving shaft.
  • one end of the driven shaft on the same side of the conveyor belt as the other end of the drive shaft is closed in one turn.
  • the glass substrate transfer device and the alignment liquid drying device provided by the present invention, by providing a belt conveying mechanism in the heating container, and fixing the heater on the inner wall of the heating container, and aligning it with the belt of the belt conveying mechanism, so that When the glass substrate is transported onto the conveyor belt, the heater can heat the glass substrate to ensure uniform heating of the glass substrate, thereby eliminating streaky defects on the surface of the glass substrate due to the thimble support.
  • FIG. 1 is a schematic structural view of a preferred embodiment of an alignment liquid drying device of the present invention
  • Figure 2 is a schematic view showing heat absorption and heat loss of a glass substrate on the belt conveying mechanism of Figure 1;
  • Figure 3 is a plan view of the belt conveying mechanism of Figure 1;
  • FIG. 4 is a schematic structural view of an embodiment of a glass substrate transfer apparatus of the present invention.
  • FIG. 1 there is shown a schematic view of a preferred embodiment of an alignment liquid drying apparatus of the present invention.
  • the alignment liquid drying device includes a heating container 10 and a belt conveying mechanism 20.
  • the heating container 10 is for drying a glass substrate coated with an alignment liquid
  • the belt conveying mechanism 20 is provided in the heating container 10 for conveying the glass substrate.
  • the belt transport mechanism 20 includes a conveyor belt 21, and a drive wheel 22 and a driven wheel 23 for supporting the conveyor belt.
  • the conveying surface of the conveyor belt 21 carries the glass substrate.
  • the driving wheel 22 and the driven wheel 23 are disposed in parallel, respectively located at both ends of the conveyor belt 21, and the conveyor belt 21 can be bypassed by the driving wheel 22 and the driven wheel 23 to be closed in a circle to constitute a closed belt conveying mechanism 20.
  • a heater 30 is provided on the inner wall of the heating vessel 10.
  • the heater 30 is disposed opposite the conveying surface of the conveyor belt 21, and the heater 30 can be used to dry the alignment liquid coated on the glass substrate during the operation of the conveyor belt 21 to drive the glass substrate.
  • the heater 30 can be an infrared heater.
  • the length of the heater 30 may be set to be larger than the length of the side of the glass substrate coated with the alignment liquid in the running direction of the conveyor belt 21.
  • the conveyor belt 21 is made of a Teflon material, and since it has high heat resistance and strong thermal stability, it does not melt at a high temperature.
  • the belt transport mechanism 20 is used to place the glass substrate, and the glass substrate can be completely contacted with the conveyor belt 21 while supporting the glass substrate without using the ejector support, and the glass substrate can be heated by the infrared heater. In this case, it is ensured that the glass substrate is heated uniformly, so that defects of uneven coating are not generated.
  • the width of the conveyor belt 21 can be set to be set to be larger than or equal to the surface of the glass substrate in contact with the conveying surface of the conveyor belt 21 perpendicular to the conveyor belt 21.
  • the length of the side of the running direction is the length of the side of the running direction.
  • the heating container 10 includes an inlet and an outlet, and the inlet and the outlet are disposed opposite to each other, and are respectively located at two sides of the heating container 10, and the glass substrate can enter the heating container 10 through the inlet, when the heating is completed, The glass substrate can be output to the outside of the heating container 10 through the outlet.
  • baffles 11 are arranged on both sides of the heating container 10, and the two baffles 11 are respectively matched with the inlet and the outlet, and the inlet and the outlet are blocked by the baffle 11, thereby realizing the heating of the container 10. Sealing.
  • the baffle 11 disposed at the front end of the heating vessel 10 to match the inlet opens, and the glass substrate enters the heating vessel 10 through the inlet when the glass substrate completely enters the heating vessel 10 and
  • the shutter 11 provided at the front end of the heating container 10 is closed to bring the heating container 10 into a sealed state; then, during the operation of the conveyor belt 21, it can be passed through the heater 30.
  • the alignment liquid on the glass substrate is heated and dried; when the heating is completed, the baffle 11 provided at the rear end of the heating container 10 and the outlet is opened, and the glass substrate is output to the outside of the heating container 10 through the outlet.
  • An alignment liquid drying device provided by an embodiment of the present invention is provided with a belt conveying mechanism 20 in a heating container 10, and the heater 30 is fixed to the inner wall of the heating container 10 and brought to the belt of the belt conveying mechanism 20.
  • the conveying surface of 21 is disposed so that the glass substrate can be heated by the heater 30 after being transported onto the conveyor belt 21, and can be sealed by heating the shutter 11 provided at both ends of the container 10, so that It is good to dry the alignment liquid coated on the glass substrate.
  • the belt transport mechanism 20 is used to place the glass substrate, and the glass substrate can be completely contacted with the conveyor belt 21 while supporting the glass substrate without using the ejector support, so that the glass substrate is heated by the heater 30. At this time, it is possible to ensure that the glass substrate is heated uniformly, so that streaky defects generated on the surface of the glass substrate due to the thimble support can be eliminated.
  • Figure 2 is a schematic illustration of heat absorption and heat loss of a glass substrate on the belt transport mechanism of Figure 1.
  • the conveyor belt 21 carrying the glass substrate is in surface contact with the glass substrate, that is, the glass substrate is placed flat on the conveyor belt, and the heater 30 is positive.
  • the transfer surface of the conveyor belt 21 is disposed, when the glass substrate is heated by the heater 30, the glass substrate is heated uniformly, so that the heat absorbed by the entire surface of the glass substrate is equal.
  • the conveyor belt 21 can function as a heat transfer, and the glass substrate can dissipate the absorbed heat through the conveyor belt 21, and likewise, the conveyance of the glass substrate on the conveyor belt 21 is flat.
  • the conventional unevenness of coating caused by the thimble-supporting glass substrate due to the inconsistency in heat absorption and heat loss of the surface of the glass substrate is not generated.
  • Figure 3 is a top plan view of the belt transport mechanism of Figure 1.
  • the belt conveying mechanism 20 further includes a driving device for driving the driving wheel 22 and the driven wheel 23 of the belt conveying mechanism 20 to drive the conveying belt 21 to convey the glass substrate.
  • the driving device includes a driving shaft that drives the driving wheel 22 to rotate, a driven shaft that drives the driven wheel 23 to rotate, a driving belt 24, and a driving motor 25.
  • the driving wheel 22 is closed in a circle around the driving shaft, and the driven wheel 23 is closed in a circle around the driven shaft.
  • the drive motor 25 drives the conveyor belt through the drive belt 24.
  • the driving belt 24 is provided with two, one driving belt 24 is closed around the driving shaft of the driving motor and one end of the driving shaft of the driving wheel 22, and the other driving belt 24 is located around the other end of the driving shaft and the other end of the driving shaft. 21 One end of the driven shaft on the same side is closed in one turn.
  • the driving belt 24 connected to the driving wheel 22 can be driven by the driving motor 25, and the driving of the driving belt 24 can drive the driving wheel 22 to rotate.
  • the driving belt 24 can be driven by another driving belt 24.
  • the moving wheel 23 is rotated so that when the driving wheel 22 and the driven wheel 23 are rotated, the conveyor belt 21 can be driven to operate.
  • the driving device is used to drive the belt conveying mechanism 20, and by driving the electric power of the motor 25, the rotation of the driving wheel 22 and the driven wheel 23 can be driven to drive the conveyor belt 21 for operation.
  • the uniform movement of the conveyor belt 21 can be utilized to uniformly receive the heat of the heater 30, thereby further ensuring more effective coating of the glass by uniform heating.
  • the alignment liquid on the substrate is dried.
  • FIG. 4 is a schematic structural view of an embodiment of a glass substrate transfer apparatus of the present invention.
  • the present invention also provides a glass substrate transfer apparatus including an alignment liquid drying apparatus including a heating container 10 and a belt conveying mechanism 20.
  • the heating container 10 is for drying a glass substrate coated with an alignment liquid
  • the belt conveying mechanism 20 is provided in the heating container 10 for conveying the glass substrate.
  • the belt transport mechanism 20 includes a conveyor belt 21, and a drive wheel 22 and a driven wheel 23 for supporting the conveyor belt.
  • the conveying surface of the conveyor belt 21 carries the glass substrate.
  • the driving wheel 22 and the driven wheel 23 are disposed in parallel, respectively located at both ends of the conveyor belt 21, and the conveyor belt 21 can be bypassed by the driving wheel 22 and the driven wheel 23 to be closed in a circle to constitute a closed belt conveying mechanism 20.
  • a heater 30 is provided on the inner wall of the heating vessel 10.
  • the heater 30 is disposed opposite the conveying surface of the conveyor belt 21, and the heater 30 can be used to dry the alignment liquid coated on the glass substrate during the operation of the conveyor belt 21 to drive the glass substrate.
  • the heater 30 can be an infrared heater.
  • the length of the heater 30 may be set to be larger than the length of the side of the glass substrate coated with the alignment liquid in the running direction of the conveyor belt 21.
  • the conveyor belt 21 is made of a Teflon material, and because of its high heat resistance and strong thermal stability, it does not melt at high temperatures.
  • the belt transport mechanism 20 is used to place the glass substrate, and the glass substrate can be completely contacted with the conveyor belt 21 while supporting the glass substrate without using the ejector support, and the glass substrate can be heated by the infrared heater. In this case, it is ensured that the glass substrate is heated uniformly, so that defects of uneven coating are not generated.
  • the width of the conveyor belt 21 can be set to be larger than the surface of the glass substrate which is in contact with the conveying surface of the conveyor belt 21 perpendicular to the running direction of the conveyor belt 21. The length of the side.
  • the heating container 10 includes an inlet and an outlet, and the inlet and the outlet are oppositely disposed, and are respectively located at two sides of the heating container 10.
  • the glass substrate can enter the heating container 10 through the inlet, and when the heating is completed, the outlet can be passed through The glass substrate is output to the outside of the heating container 10.
  • two baffles 11 are arranged on both sides of the heating container 10, and the two baffles 11 are respectively matched with the inlet and the outlet, and the inlet and the outlet are blocked by the baffle 11, thereby realizing the heating of the container 10. Sealing.
  • the glass substrate transfer apparatus further includes a first transfer mechanism 40 connected to the front end of the heating container 10 and a second transfer mechanism 50 connected to the rear end of the heating container 10.
  • the first transfer mechanism 40 is for inputting the glass substrate into the heating container 10; the second transfer mechanism 50 is for outputting the glass substrate from the heating container 10.
  • the first conveying mechanism 40 is connected to the rear end of the robot for transporting the glass substrate into the heating container 10. After the heating and drying of the alignment liquid on the glass substrate is completed, the glass substrate is transported to the second transfer by the belt conveying mechanism 20. At the mechanism 50, the glass substrate is taken out by the transfer of the second transport mechanism 50 and finally by the output robot connected to the rear end thereof.
  • the embodiment of the present invention relates to all the technical solutions of the embodiments of the above-mentioned alignment liquid drying device structure, and the technical effects achieved are also the same, and are not described herein again.

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Abstract

一种配向液干燥装置，包括用于烘干涂有配向液的玻璃基板的加热容器（10）及用于传送玻璃基板的皮带传送机构（20），皮带传送机构（20）设于加热容器（10）内，皮带传送机构（10）包括一传送带（21），传送带（21）的传送表面用于承载玻璃基板，在加热容器（10）的内壁上设有加热器（30），加热器（30）正对传送带（21）的传送表面设置。一种玻璃基板传送设备，包括配向液干燥装置及第一传送机构（40）和第二传送机构（50）。所述配向液干燥装置及玻璃基板传送设备，通过采用皮带传送的方式传送玻璃基板，使得对配向液进行预烘干时，玻璃基板面内对热量的吸收和消耗一样，受热均匀，有效避免玻璃基板上因局部温度过高所导致干燥后配向膜厚度不均匀的问题。

Description

配向液干燥装置及玻璃基板传送设备
技术领域
本发明涉及到传送装置，特别涉及到一种配向液干燥装置及玻璃基板传送设备。
背景技术
在液晶显示器制造技术领域中，配向膜是一种用于确保液晶分子按要求取向并形成一定预倾角的功能性膜层。配向膜的形成机理是将配向液通过喷墨头及喷嘴将配向液喷洒至玻璃基板上，然后对配向液进行加热，使配向液中有机溶剂的约80%挥发，增大配向液的粘滞度，从而形成具有一定厚度的配向膜。
现有技术的配向液预烘干的方式是通过红外辐射加热板，将基板加热到90℃，使配向液中的各种溶剂蒸发，配向液的固含量提高。但是，由于加热时用于支撑玻璃基板的顶针的材质不是完全绝热的，因此在有顶针支撑处与没有顶针支撑处存在导热速率上的差别，故将造成玻璃基板受热不均，从而造成玻璃基板会出现涂覆不均的缺陷。
为了消除涂覆不均的缺陷，通常会采用以下两种方式：
一、利用顶针的交替运动，采用两套独立的顶针系统，这两套顶针系统轮流升降，便可以减少顶针与玻璃基板同一处的接触时间。
二、采用两套独立的顶针系统，其中一套为固定顶针，用于支撑玻璃基板，另一套为运动顶针，可以用于控制玻璃基板的移动，使固定顶针与玻璃基板的接触位置发生改变，从而减少顶针与玻璃基板同一处的接触时间。
但是，以上两种方式，仍然要采用顶针支撑的方法，在对配向液进行预烘干时，还是不能完全避免玻璃基板由于热吸收和热损耗不一致而产生的条纹状缺陷。
发明内容
本发明的主要目的为提供一种配向液干燥装置，通过采用皮带传送的方式传送玻璃基板，使得对配向液进行预烘干时，玻璃基板面内对热源的吸收和消耗一致，不会产生涂覆不均的缺陷。
本发明提供一种配向液干燥装置，包括用于烘干涂有配向液的玻璃基板的加热容器和用于传送玻璃基板的皮带传送机构，所述皮带传送机构设于所述加热容器内，所述皮带传送机构包括一传送带，所述传送带的传送表面用于承载所述玻璃基板，所述传送带为特氟龙传送带，所述特氟龙传送带的宽度大于或等于所述玻璃基板与所述传送带的传送表面所接触的面上垂直于传送带运行方向的边的长度；在所述加热容器的内壁上设有加热器，所述加热器正对所述传送带的传送表面设置，所述加热器为红外加热器。
优选地，所述加热容器包括一入口和一与所述入口相对的出口，所述玻璃基板通过所述入口进入加热容器，并通过所述出口输出至加热容器外，所述加热容器的两侧还设置有与所述入口和出口相匹配的两挡板，通过所述挡板将所述加热容器密封。
优选地，所述皮带传送机构还包括支撑所述传送带的一主动轮和一从动轮，所述传送带绕所述主动轮和所述从动轮闭合成一圈。
优选地，所述皮带传送机构还包括驱动装置，该驱动装置包括驱动带和驱动电机，所述驱动电机通过所述驱动带驱动所述传送带。
优选地，所述驱动装置还包括带动所述主动轮转动的主动轴及带动所述从动轮转动的从动轴，所述主动轮绕所述主动轴闭合成一圈，所述从动轮绕所述从动轴闭合成一圈，所述驱动带为两条，其中一条驱动带绕所述驱动电机的转轴与所述主动轴一端闭合成一圈，另一条驱动带绕所述主动轴另一端及与所述主动轴的另一端位于传送带同侧的所述从动轴的一端闭合成一圈。
本发明还提供一种配向液干燥装置，包括用于烘干涂有配向液的玻璃基板的加热容器和用于传送玻璃基板的皮带传送机构，所述皮带传送机构设于所述加热容器内，所述皮带传送机构包括一传送带，所述传送带的传送表面用于承载所述玻璃基板，在所述加热容器的内壁上设有加热器，所述加热器正对所述传送带的传送表面设置。
优选地，所述传送带为特氟龙传送带，所述特氟龙传送带的宽度大于或等于所述玻璃基板与传送带的传送表面所接触的面上垂直于传送带运行方向的边的长度。
优选地，所述加热器为红外加热器。
优选地，所述加热容器包括一入口和一与所述入口相对的出口，所述玻璃基板通过所述入口进入加热容器，并通过所述出口输出至加热容器外，所述加热容器的两侧还设置有与所述入口和出口相匹配的两挡板，通过所述挡板将所述加热容器密封。
优选地，所述皮带传送机构还包括支撑所述传送带的一主动轮和一从动轮，所述传送带绕所述主动轮和从动轮闭合成一圈。
优选地，所述皮带传送机构还包括驱动装置，该驱动装置包括驱动带和驱动电机，所述驱动电机通过所述驱动带驱动所述传送带。
优选地，所述驱动装置还包括带动所述主动轮转动的主动轴及带动所述从动轮转动的从动轴，所述主动轮绕所述主动轴闭合成一圈，所述从动轮绕所述从动轴闭合成一圈，所述驱动带为两条，其中一条驱动带绕所述驱动电机的转轴与所述主动轴一端闭合成一圈，另一条驱动带绕所述主动轴另一端及与所述主动轴的另一端位于传送带同侧的从动轴的一端闭合成一圈。
本发明还提供一种玻璃基板传送设备，包括第一传送机构、第二传送机构及配向液干燥装置，所述第一传送机构与所述第二传送机构分别设于所述配向液干燥装置的相对两侧，所述第一传送机构传送所述玻璃基板至所述配向液干燥装置，所述第二传送机构传送所述配向液干燥装置输出的玻璃基板，所述配向液干燥装置包括用于烘干涂有配向液的玻璃基板的加热容器和用于传送玻璃基板的皮带传送机构，所述皮带传送机构设于所述加热容器内，所述皮带传送机构包括一传送带，所述传送带的传送表面用于承载所述玻璃基板，在所述加热容器的内壁上设有加热器，所述加热器正对所述传送带的传送表面设置。
优选地，所述传送带为特氟龙传送带，所述特氟龙传送带的宽度大于或等于所述玻璃基板与所述传送带的传送表面所接触的面上垂直于传送带运行方向的边的长度。
优选地，所述加热器为红外加热器。
优选地，所述加热容器包括一入口和一与所述入口相对的出口，所述玻璃基板通过所述入口进入加热容器，并通过所述出口输出至加热容器外，所述加热容器的两侧还设置有与所述入口和出口相匹配的两挡板，通过所述挡板将所述加热容器密封。
优选地，所述皮带传送机构还包括支撑所述传送带的一主动轮和一从动轮，所述传送带绕所述主动轮和所述从动轮闭合成一圈。
优选地，所述皮带传送机构还包括驱动装置，该驱动装置包括驱动带和驱动电机，所述驱动电机通过所述驱动带驱动所述传送带。
优选地，所述驱动装置还包括带动所述主动轮转动的主动轴及带动所述从动轮转动的从动轴，所述主动轮绕所述主动轴闭合成一圈，所述从动轮绕所述从动轴闭合成一圈，所述驱动带为两条，其中一条驱动带绕所述驱动电机的转轴与所述主动轴一端闭合成一圈，另一条驱动带绕所述主动轴另一端及与所述主动轴的另一端位于传送带同侧的所述从动轴的一端闭合成一圈。
本发明提供的玻璃基板传送设备和配向液干燥装置，通过在加热容器中设置皮带传送机构，并将加热器固定在加热容器的内壁上，且使其与皮带传送机构的传送带正对设置，使得当玻璃基板运送至传送带上后，加热器便可对玻璃基板进行加热，可以保证玻璃基板受热均匀，从而可以消除由于顶针支撑而在玻璃基板表面产生的条纹状缺陷。
附图说明
图1为本发明配向液干燥装置较佳实施例的结构示意图；
图2为图1中皮带传送机构上玻璃基板热吸收和热损耗的示意图；
图3为图1中皮带传送机构的俯视图；
图4为本发明玻璃基板传送设备实施例的结构示意图。
本发明目的的实现、功能特点及优点将结合实施例，参照附图做进一步说明。
具体实施方式
应当理解，此处所描述的具体实施例仅仅用以解释本发明，并不用于限定本发明。
参照图1，图1为本发明配向液干燥装置较佳实施例的结构示意图。
在本实施例中，配向液干燥装置包括一加热容器10和一皮带传送机构20。该加热容器10用于烘干涂有配向液的玻璃基板，皮带传送机构20设置在加热容器10内，用于传送该玻璃基板。
皮带传送机构20包括一传送带21，以及用于支撑传送带的一主动轮22和一从动轮23。当玻璃基板进入到加热容器10中时，传送带21的传送表面承载该玻璃基板。主动轮22和从动轮23呈平行设置，分别位于传送带21的两端，并且传送带21可以绕过主动轮22和从动轮23，闭合成一圈，构成封闭的皮带传送机构20。
加热容器10的内壁上设有加热器30。加热器30正对传送带21的传送表面设置，在传送带21带动玻璃基板运行的过程中，加热器30便可用于烘干玻璃基板上所涂覆的配向液。较佳地，该加热器30可以为红外加热器。并且，可以将加热器30的长度设置为大于玻璃基板涂有配向液的表面上沿传送带21运行方向的边的长度。
在上述实施例中，传送带21由特氟龙材料制成，采用这种材料，由于其耐热性很强，并具有较强的热稳定性，在高温下也不会融化。这样，采用这种皮带传送机构20来置放玻璃基板，无需使用顶针支撑，就可以在对玻璃基板支撑的同时实现玻璃基板与传送带21的完全接触，并且在用红外加热器对玻璃基板进行加热时，可以保证玻璃基板受热均匀，这样就不会产生涂覆不均的缺陷。
为了保证玻璃基板可以完全置放在传送带21的传送表面上，可以对传送带21的宽度进行设置，可以将其设置为大于或等于玻璃基板与传送带21的传送表面所接触的面上垂直于传送带21运行方向的边的长度。
在上述实施例中，加热容器10包括一个入口和一个出口，入口与出口为相对设置，并且分别位于加热容器10的两侧，玻璃基板可以通过入口进入到加热容器10中，当加热结束后，便可以通过出口，将玻璃基板输出至加热容器10外。
同时，在加热容器10的两侧还设置有两个挡板11，这两个挡板11分别与入口和出口相匹配，通过挡板11可以将入口和出口挡柱，从而实现加热容器10的密封性。当玻璃基板需要进入到加热容器10中，设置在加热容器10前端与入口相匹配的挡板11便会打开，玻璃基板通过入口进入到加热容器10中，当玻璃基板完全进入加热容器10中并且位于皮带传送机构20的传送带21的传送表面上后，设置在加热容器10前端的挡板11关闭，使加热容器10处于密封状态；然后，在传送带21运行的过程中，可以通过加热器30对玻璃基板上的配向液进行加热烘干；当加热完成后，设置在加热容器10后端与出口相匹配的挡板11便会打开，玻璃基板通过出口输出至加热容器10的外部。
本发明实施例所提供的一种配向液干燥装置，通过在加热容器10中设置皮带传送机构20，并将加热器30固定在加热容器10的内壁上，且使其与皮带传送机构20的传送带21的传送表面正对设置，使得当玻璃基板运送至传送带21上后，加热器30便可对玻璃基板进行加热，通过加热容器10两端设置的挡板11可将其密封，这样，便可很好地实现对玻璃基板上所涂的配向液进行烘干。同时，采用这种皮带传送机构20来置放玻璃基板，无需使用顶针支撑，就可以在支撑玻璃基板的同时实现玻璃基板与传送带21的完全接触，这样，在用加热器30对玻璃基板进行加热时，可以保证玻璃基板受热均匀，从而可以消除由于顶针支撑而在玻璃基板表面产生的条纹状缺陷。
参照图2，图2为图1中皮带传送机构上玻璃基板热吸收和热损耗的示意图。
在本实施例中，玻璃基板进入加热容器10并处于皮带传送机构20上后，承载玻璃基板的传送带21与玻璃基板处于面接触状态，即玻璃基板平整地放置在传送带上，而加热器30正对传送带21的传送表面设置，当用加热器30对玻璃基板进行加热时，玻璃基板受热均匀，这样可以保证玻璃基板的整个表面所吸收的热量都相等。
当玻璃基板吸收到来自加热器30的热量后，传送带21可以起到传热的作用，玻璃基板可以通过传送带21将所吸收的热量散发，同样，由于玻璃基板上平整地放置于传送带21的传送表面，这便使得玻璃基板的整个表面通过传送带21所散发的热量也相等。这样，就不会产生传统的用顶针支撑玻璃基板所产生的因玻璃基板表面热吸收及热损耗不一致而产生的涂覆不均的缺陷。
参照图3，图3为图1中皮带传送机构的俯视图。
在本实施例中，皮带传送机构20还包括一驱动装置，该驱动装置用于驱动皮带传送机构20的主动轮22和从动轮23带动传送带21传送玻璃基板。驱动装置包括带动主动轮22转动的主动轴、带动从动轮23转动的从动轴、驱动带24和驱动电机25。主动轮22绕主动轴闭合成一圈，从动轮23绕从动轴闭合成一圈。驱动电机25通过驱动带24驱动传送带。驱动带24设置有两条，其中一条驱动带24绕驱动电机的转轴与主动轮22的主动轴一端闭合成一圈，另一条驱动带24绕主动轴另一端及与主动轴的另一端位于传送带21同侧的从动轴的一端闭合成一圈。
通过驱动电机25可以驱动与主动轮22所连接的驱动带24传动，驱动带24的传动又可带动主动轮22转动，当主动轮22开始转动后，便可以通过另一条驱动带24来驱动从动轮23进行转动，这样，当主动轮22和从动轮23转动后，就可以带动传送带21运行。
采用驱动装置来驱动皮带传送机构20，通过驱动电机25的电能，可驱动主动轮22和从动轮23的转动，从而带动传送带21做运行。这样，当玻璃基板被运送至传送带21上后，便可利用传送带21的匀速运动，使玻璃基板均匀的接受加热器30的热量，从而进一步保证了通过均匀受热而更有效地对涂覆在玻璃基板上的配向液进行烘干。
参照图4，图4为本发明玻璃基板传送设备实施例的结构示意图。
在本实施例中，本发明还提供一种玻璃基板传送设备，包括配向液干燥装置，配向液干燥装置包括一加热容器10和一皮带传送机构20。该加热容器10用于烘干涂有配向液的玻璃基板，皮带传送机构20设置在加热容器10内，用于传送该玻璃基板。
皮带传送机构20包括一传送带21，以及用于支撑传送带的一主动轮22和一从动轮23。当玻璃基板进入到加热容器10中时，传送带21的传送表面承载该玻璃基板。主动轮22和从动轮23呈平行设置，分别位于传送带21的两端，并且传送带21可以绕过主动轮22和从动轮23，闭合成一圈，构成封闭的皮带传送机构20。
加热容器10的内壁上设有加热器30。加热器30正对传送带21的传送表面设置，在传送带21带动玻璃基板运行的过程中，加热器30便可用于烘干玻璃基板上所涂覆的配向液。较佳地，该加热器30可以为红外加热器。并且，可以将加热器30的长度设置为大于玻璃基板涂有配向液的表面上沿传送带21运行方向的边的长度。
传送带21由特氟龙材料制成，采用这种材料，由于其耐热性很强，并具有较强的热稳定性，在高温下也不会融化。这样，采用这种皮带传送机构20来置放玻璃基板，无需使用顶针支撑，就可以在对玻璃基板支撑的同时实现玻璃基板与传送带21的完全接触，并且在用红外加热器对玻璃基板进行加热时，可以保证玻璃基板受热均匀，这样就不会产生涂覆不均的缺陷。为了保证玻璃基板可以完全置放在传送带21的传送表面上，可以对传送带21的宽度进行设置，可以将其设置为大于玻璃基板与传送带21的传送表面所接触的面上垂直于传送带21运行方向的边的长度。
加热容器10包括一个入口和一个出口，入口与出口为相对设置，并且分别位于加热容器10的两侧，玻璃基板可以通过入口进入到加热容器10中，当加热结束后，便可以通过出口，将玻璃基板输出至加热容器10外。同时，在加热容器10的两侧还设置有两个挡板11，这两个挡板11分别与入口和出口相匹配，通过挡板11可以将入口和出口挡柱，从而实现加热容器10的密封性。
在上述实施例中，玻璃基板传送设备还包括连接在加热容器10前端的第一传送机构40以及连接在加热容器10后端的第二传送机构50。第一传送机构40用于将玻璃基板输入至加热容器10中；第二传送机构50用于将玻璃基板从加热容器10中输出。第一传送机构40连接在机械手的后端，用于将玻璃基板运送至加热容器10内，对玻璃基板上的配向液完成加热烘干后，通过皮带传送机构20将玻璃基板运送至第二传送机构50上，经过第二传送机构50的传送，最后通过连接在其后端的输出机械手即可将玻璃基板取出。
本玻璃基板传送设备的实施例包括了上述配向液干燥装置结构的各实施例的全部技术方案，所达到的技术效果也相同，在此不再赘述。
以上所述仅为本发明的优选实施例，并非因此限制本发明的专利范围，凡是利用本发明说明书及附图内容所作的等效结构变换，或直接或间接运用在其他相关的技术领域，均同理包括在本发明的专利保护范围内。

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  1. 一种配向液干燥装置，包括用于烘干涂有配向液的玻璃基板的加热容器和用于传送玻璃基板的皮带传送机构，其特征在于，所述皮带传送机构设于所述加热容器内，所述皮带传送机构包括一传送带，所述传送带的传送表面用于承载所述玻璃基板，所述传送带为特氟龙传送带，所述特氟龙传送带的宽度大于或等于所述玻璃基板与所述传送带的传送表面所接触的面上垂直于传送带运行方向的边的长度；在所述加热容器的内壁上设有加热器，所述加热器正对所述传送带的传送表面设置，所述加热器为红外加热器。
  2. 如权利要求1所述的配向液干燥装置，其特征在于，所述加热容器包括一入口和一与所述入口相对的出口，所述玻璃基板通过所述入口进入加热容器，并通过所述出口输出至加热容器外，所述加热容器的两侧还设置有与所述入口和出口相匹配的两挡板，通过所述挡板将所述加热容器密封。
  3. 如权利要求1所述的配向液干燥装置，其特征在于，所述皮带传送机构还包括支撑所述传送带的一主动轮和一从动轮，所述传送带绕所述主动轮和所述从动轮闭合成一圈。
  4. 如权利要求3所述的配向液干燥装置，其特征在于，所述皮带传送机构还包括驱动装置，该驱动装置包括驱动带和驱动电机，所述驱动电机通过所述驱动带驱动所述传送带。
  5. 如权利要求4所述的配向液干燥装置，其特征在于，所述驱动装置还包括带动所述主动轮转动的主动轴及带动所述从动轮转动的从动轴，所述主动轮绕所述主动轴闭合成一圈，所述从动轮绕所述从动轴闭合成一圈，所述驱动带为两条，其中一条驱动带绕所述驱动电机的转轴与所述主动轴一端闭合成一圈，另一条驱动带绕所述主动轴另一端及与所述主动轴的另一端位于传送带同侧的所述从动轴的一端闭合成一圈。
  6. 一种配向液干燥装置，包括用于烘干涂有配向液的玻璃基板的加热容器和用于传送玻璃基板的皮带传送机构，其特征在于，所述皮带传送机构设于所述加热容器内，所述皮带传送机构包括一传送带，所述传送带的传送表面用于承载所述玻璃基板，在所述加热容器的内壁上设有加热器，所述加热器正对所述传送带的传送表面设置。
  7. 如权利要求6所述的配向液干燥装置，其特征在于，所述传送带为特氟龙传送带，所述特氟龙传送带的宽度大于或等于所述玻璃基板与所述传送带的传送表面所接触的面上垂直于传送带运行方向的边的长度。
  8. 如权利要求6所述的配向液干燥装置，其特征在于，所述加热器为红外加热器。
  9. 如权利要求8所述的配向液干燥装置，其特征在于，所述加热容器包括一入口和一与所述入口相对的出口，所述玻璃基板通过所述入口进入加热容器，并通过所述出口输出至加热容器外，所述加热容器的两侧还设置有与所述入口和出口相匹配的两挡板，通过所述挡板将所述加热容器密封。
  10. 如权利要求6所述的配向液干燥装置，其特征在于，所述皮带传送机构还包括支撑所述传送带的一主动轮和一从动轮，所述传送带绕所述主动轮和所述从动轮闭合成一圈。
  11. 如权利要求10所述的配向液干燥装置，其特征在于，所述皮带传送机构还包括驱动装置，该驱动装置包括驱动带和驱动电机，所述驱动电机通过所述驱动带驱动所述传送带。
  12. 如权利要求11所述的配向液干燥装置，其特征在于，所述驱动装置还包括带动所述主动轮转动的主动轴及带动所述从动轮转动的从动轴，所述主动轮绕所述主动轴闭合成一圈，所述从动轮绕所述从动轴闭合成一圈，所述驱动带为两条，其中一条驱动带绕所述驱动电机的转轴与所述主动轴一端闭合成一圈，另一条驱动带绕所述主动轴另一端及与所述主动轴的另一端位于传送带同侧的所述从动轴的一端闭合成一圈。
  13. 一种玻璃基板传送设备，包括第一传送机构、第二传送机构及配向液干燥装置，所述第一传送机构与所述第二传送机构分别设于所述配向液干燥装置的相对两侧，所述第一传送机构传送所述玻璃基板至所述配向液干燥装置，所述第二传送机构传送所述配向液干燥装置输出的玻璃基板，其特征在于，所述配向液干燥装置包括用于烘干涂有配向液的玻璃基板的加热容器和用于传送玻璃基板的皮带传送机构，所述皮带传送机构设于所述加热容器内，所述皮带传送机构包括一传送带，所述传送带的传送表面用于承载所述玻璃基板，在所述加热容器的内壁上设有加热器，所述加热器正对所述传送带的传送表面设置。
  14. 如权利要求13所述的玻璃基板传送设备，其特征在于，所述传送带为特氟龙传送带，所述特氟龙传送带的宽度大于或等于所述玻璃基板与所述传送带的传送表面所接触的面上垂直于传送带运行方向的边的长度。
  15. 如权利要求13所述的玻璃基板传送设备，其特征在于，所述加热器为红外加热器。
  16. 如权利要求15所述的玻璃基板传送设备，其特征在于，所述加热容器包括一入口和一与所述入口相对的出口，所述玻璃基板通过所述入口进入加热容器，并通过所述出口输出至加热容器外，所述加热容器的两侧还设置有与所述入口和出口相匹配的两挡板，通过所述挡板将所述加热容器密封。
  17. 如权利要求13所述的玻璃基板传送设备，其特征在于，所述皮带传送机构还包括支撑所述传送带的一主动轮和一从动轮，所述传送带绕所述主动轮和所述从动轮闭合成一圈。
  18. 如权利要求17所述的玻璃基板传送设备，其特征在于，所述皮带传送机构还包括驱动装置，该驱动装置包括驱动带和驱动电机，所述驱动电机通过所述驱动带驱动所述传送带。
  19. 如权利要求18所述的玻璃基板传送设备，其特征在于，所述驱动装置还包括带动所述主动轮转动的主动轴及带动所述从动轮转动的从动轴，所述主动轮绕所述主动轴闭合成一圈，所述从动轮绕所述从动轴闭合成一圈，所述驱动带为两条，其中一条驱动带绕所述驱动电机的转轴与所述主动轴一端闭合成一圈，另一条驱动带绕所述主动轴另一端及与所述主动轴的另一端位于传送带同侧的所述从动轴的一端闭合成一圈。
PCT/CN2011/082039 2011-11-02 2011-11-10 配向液干燥装置及玻璃基板传送设备 Ceased WO2013063824A1 (zh)

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