WO2015100781A1 - 真空干燥机 - Google Patents

真空干燥机 Download PDF

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Publication number
WO2015100781A1
WO2015100781A1 PCT/CN2014/070415 CN2014070415W WO2015100781A1 WO 2015100781 A1 WO2015100781 A1 WO 2015100781A1 CN 2014070415 W CN2014070415 W CN 2014070415W WO 2015100781 A1 WO2015100781 A1 WO 2015100781A1
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Prior art keywords
vacuum dryer
dryer according
lifting mechanism
heating assembly
base
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PCT/CN2014/070415
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English (en)
French (fr)
Inventor
林佳龙
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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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Publication of WO2015100781A1 publication Critical patent/WO2015100781A1/zh
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B5/00—Drying solid materials or objects by processes not involving the application of heat
    • F26B5/04—Drying solid materials or objects by processes not involving the application of heat by evaporation or sublimation of moisture under reduced pressure, e.g. in a vacuum
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/20—Filters
    • G02B5/201—Filters in the form of arrays

Definitions

  • the present invention relates to the field of liquid crystal display, and more particularly to a vacuum dryer.
  • the color filter is one of the main components of the liquid crystal panel, and the vacuum drying and pre-baking process is an important process of the color filter, and the characteristics of the film surface and the film thickness of the photoresist film can be formed through these two processes.
  • the vacuum drying and pre-baking in the color filter manufacturing process are carried out separately, by a vacuum dryer (as shown in Fig. 1, the existing vacuum dryer is mainly equipped with a base 70 and a sealing cover with the base 70.
  • the top cover 80 is composed of a vacuum suction hole 71 on the base 70 for vacuum drying and pre-baking by the pre-bake machine, so that the color filter manufacturing takes too long, resulting in a color filter.
  • the production efficiency is low; and the use of a vacuum dryer and a pre-bake machine requires a high cost of production equipment for color filters.
  • a primary object of the present invention is to provide a vacuum dryer which is intended to improve the production efficiency of color filters and to reduce the equipment cost of color filter production.
  • the invention provides a vacuum dryer comprising a base and an upper cover, and further comprising a heating assembly disposed on a side of the base opposite the upper cover.
  • the heating assembly includes a heat generating member and a heating plate disposed on the heat generating member.
  • the heat generating component is an electromagnetic induction heating coil.
  • a side of the heating plate opposite to the upper cover is a corrugated surface.
  • a side of the heating plate opposite to the upper cover is provided with a plurality of supporting portions for supporting the object to be heated.
  • the support portion is a protrusion on the heating plate.
  • a temperature controller is further included, the temperature controller being electrically connected to the heat generating component.
  • the base is further provided with a lifting mechanism under the heating assembly, and the lifting portion of the lifting mechanism vertically penetrates the heating assembly.
  • the lifting mechanism is a stepping cylinder or a stepping motor.
  • the vacuum dryer of the invention integrates the vacuum drying and pre-baking functions, and vacuum drying and pre-baking simultaneously, reducing the time required for vacuum drying and pre-baking in the color filter manufacturing process, and improving The production efficiency of the color filter; and the vacuum dryer only realizes the functions of both the vacuum dryer and the pre-bake machine by adding a heating component to the existing vacuum dryer, and reduces the production of the color filter. The cost of the equipment.
  • FIG. 1 is a view showing an example of the structure of a conventional vacuum dryer
  • Figure 2 is a view showing an example of the structure in the first embodiment of the vacuum dryer of the present invention.
  • Figure 3 is a front elevational view showing a second embodiment of the vacuum dryer of the present invention.
  • Figure 4 is a view showing an example of the structure of a heating plate in the second embodiment of the vacuum dryer of the present invention.
  • Fig. 2 is a view showing an example of the structure of a first embodiment of the vacuum dryer of the present invention.
  • the vacuum dryer proposed in this embodiment comprises a base 10, an upper cover 20 and a heating assembly 30 disposed on a side of the base 10 opposite the upper cover 20.
  • the vacuum dryer is mainly used for drying and pre-baking the color filter, and the base 10 is provided with an air suction hole 11 for vacuuming, and the heating assembly 30 is for pre-baking the color filter placed thereon.
  • the working mode of the vacuum dryer provided in this embodiment is: the color filter is placed on the heating assembly 30, the upper cover 20 is lowered and sealed with the base 10, and the upper cover 20 and the base 10 are passed through the air suction hole 11.
  • the air is evacuated to vacuum dry the color filter; at the same time, the heating component 30 generates heat to pre-bake the color filter, vacuum drying and pre-baking simultaneously, and after completion, the upper cover 20 rises and the color is colored. Remove the filter.
  • the vacuum dryer proposed in this embodiment integrates the vacuum drying and pre-baking functions, and vacuum drying and pre-baking simultaneously, reducing the time required for vacuum drying and pre-baking in the color filter manufacturing process. , the production efficiency of the color filter is improved; and the vacuum dryer only realizes the functions of both the vacuum dryer and the pre-bake machine by adding the heating assembly 30 to the existing vacuum dryer, and reduces the color filter. The cost of the piece of production equipment.
  • the heating assembly 30 of the present embodiment includes a heat generating member 31 and a heating plate 32 disposed on the heat generating member 31.
  • the heat generating member 31 is used for heating to heat the heating plate 32, and the heating plate 32 is used for carrying the filter and pre-baking the color filter.
  • the vacuum dryer of this embodiment further includes a temperature controller 50 that is electrically connected to the heat generating member 31.
  • the temperature controller 50 is for adjusting the amount of heat generated by the heating element 31 to control the temperature of the heating plate 32, that is, to adjust the temperature for controlling the pre-baking.
  • the heat generating element 31 is preferably an electromagnetic induction heating coil.
  • the heat generating member 31 can also be other heat generating components.
  • the embodiment adopts a surface opposite to the upper cover 20 as a corrugated surface (the corrugated surface is corrugated).
  • the heating plate 32 of the uneven surface is provided to reduce the area in which the heating plate 32 is in direct contact with the color filter.
  • a plurality of supporting portions 311 shown in FIG. 4 are disposed on a side of the heating plate 32 opposite to the upper cover 20, and the supporting portion 311 is on the heating plate 32. Raised or other structure.
  • the base 10 is further provided with a lifting mechanism 40 located below the heating assembly 30, and the lifting portion 41 of the lifting mechanism 40 vertically penetrates the heating assembly 30.
  • the lifting mechanism 40 can be one or more (for example, two in the embodiment), and the lifting mechanism 40 raises and lowers the color filter through the lifting portion 41 to facilitate the pick-and-place of the color filter.
  • the lifting mechanism 40 of this embodiment is a stepping cylinder or a stepping motor.
  • the lifting portion 41 of the lifting mechanism 40 is raised, and the color filter is placed on the lifting portion 41; then the lifting portion 41 is lowered to lower the color filter to the heating plate.
  • the upper cover 20 is lowered and closed for vacuum drying and pre-baking; after vacuum drying and pre-baking, the upper cover 20 is raised, and the lifting portion 41 is raised to raise the color filter on the heating plate 32.
  • the external pick and place mechanism takes out the color filter.

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  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Molecular Biology (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Optical Filters (AREA)
  • Drying Of Solid Materials (AREA)

Abstract

一种真空干燥机，包括底座（10）、上盖板（20）和设于所述底座（10）与所述上盖板（20）正对的一面上的加热组件（30）。所述真空干燥机将真空干燥和预烤功能集于一体，且真空干燥和预烤同时进行，降低了彩色滤光片制造过程中真空干燥和预烤制成所需的时间，提高了彩色滤光片的生产效率；并且，该真空干燥机只是在现有真空干燥机中增加了加热组件就实现了真空干燥机和预烤机两者的功能，降低了彩色滤光片的生产设备的成本。

Description

真空干燥机
技术领域
　　　本发明涉及液晶显示领域，特别涉及一种真空干燥机。　　　
背景技术
　　　彩色滤光片为液晶面板的主要组成部件之一，而真空干燥和预烤制程为彩色滤光片的重要制程，通过这两道制程可使光阻膜膜面及膜厚等特性成型。目前，彩色滤光片制造过程中的真空干燥和预烤是先后单独进行的，由真空干燥机（如图1所示，现有的真空干燥机主要由底座70和与底座70密封盖合适配的上盖板80组成，底座70上设有吸真空的吸气孔71）完成真空干燥以及由预烤机完成预烤，这样使得彩色滤光片制造花费的时间太长，导致彩色滤光片的生产效率低；并且需要使用真空干燥机和预烤机，导致彩色滤光片的生产设备成本较高。　　　
发明内容
　　　本发明的主要目的为提供一种真空干燥机，旨在提高彩色滤光片的生产效率和降低彩色滤光片生产的设备成本。
　　　本发明提出一种真空干燥机，包括底座和上盖板，还包括设于所述底座与所述上盖板正对的一面上的加热组件。
　　　优选地，所述加热组件包括发热件和设置在所述发热件上的加热板。
　　　优选地，所述发热件为电磁感应发热线圈。
　　　优选地，所述加热板与所述上盖板正对的一面为波纹面。
　　　优选地，所述加热板与所述上盖板正对的一面设有用于支撑被加热物的多个支撑部。
　　　优选地，所述支撑部为所述加热板上的凸起。
　　　优选地，还包括温度控制器，所述温度控制器与所述发热件电连接。
　　　优选地，所述底座上还设有位于所述加热组件下方的升降机构，所述升降机构的升降部垂直贯穿所述加热组件。
　　　优选地，所述升降机构为步进气缸或步进电机。　　　
　　　本发明的真空干燥机，将真空干燥和预烤功能集于一体，且真空干燥和预烤同时进行，降低了彩色滤光片制造过程中的真空干燥和预烤制成所需的时间，提高了彩色滤光片的生产效率；并且，该真空干燥机只是在现有真空干燥机中增加了加热组件就实现了真空干燥机和预烤机两者的功能，降低了彩色滤光片的生产设备的成本。　　　
附图说明
　　　图1是本现有的真空干燥机的结构示例图；
　　　图2是本发明真空干燥机第一实施例中的结构示例图；
　　　图3是本发明真空干燥机第二实施例中的主视示例图；
　　　图4是本发明真空干燥机第二实施例中加热板的一结构示例图。　　　
　　　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。
　　　如图2所示，图2为本发明真空干燥机第一实施例的结构示例图。
　　　该实施例提出的真空干燥机，包括底座10、上盖板20和设于底座10与上盖板20正对的一面上的加热组件30。该真空干燥机主要用于彩色滤光片的干燥和预烤，底座10上设有用于吸真空的吸气孔11，加热组件30用于对放置在其上的彩色滤光片进行预烤。本实施例提出的真空干燥机的工作方式为：彩色滤光片放入加热组件30上，上盖板20下降与底座10密封盖合，通过吸气孔11将上盖板20与底座10之间的空气吸空，以对彩色滤光片进行真空干燥；同时，加热组件30发热对彩色滤光片进行预烤，真空干燥和预烤同时进行，完成后，上盖板20上升，将彩色滤光片取出。
　　　本实施例提出的真空干燥机，将真空干燥和预烤功能集于一体，且真空干燥和预烤同时进行，降低了彩色滤光片制造过程中的真空干燥和预烤制成所需的时间，提高了彩色滤光片的生产效率；并且，该真空干燥机只是在现有真空干燥机中增加了加热组件30就实现了真空干燥机和预烤机两者的功能，降低了彩色滤光片的生产设备的成本。　　　
　　　进一步地，参照图3，本实施例基于第一实施例。本实施例的加热组件30包括发热件31和设置在发热件31上的加热板32。发热件31用于发热对加热板32进行加热，加热板32用于承载采用滤光片并对彩色滤光片进行预烤。本实施例的真空干燥机还包括温度控制器50，温度控制器50与发热件31电连接。温度控制器50用于调节控制发热件31的发热量以控制加热板32的温度，即调节控制预烤的温度。本实施例中，发热件31优选为电磁感应发热线圈。当然，发热件31还可以为其他发热部件。
　　　进一步地，为了防止加热板32与彩色滤光片直接接触而因加热板32过热而损伤彩色滤光片，本实施例采用与上盖板20正对的一面为波纹面（波纹面即有波纹状凹凸的面）的加热板32，以减小加热板32与彩色滤光片直接接触的面积。当然本实施例还可通过在加热板32与上盖板20正对的一面设置用于支撑被加热物的多个支撑部311（如图4所示），支撑部311为加热板32上的凸起或其他结构。
　　　进一步地，本实施例中，底座10上还设有位于加热组件30下方的升降机构40，升降机构40的升降部41垂直贯穿加热组件30。升降机构40可为一个或多个（本实施例中以两个为例），升降机构40通过其升降部41对彩色滤光片进行升降，以方便彩色滤光片的取放。本实施例的升降机构40为步进气缸或步进电机。
　　　具体的，彩色滤光片放入真空干燥机中时，首先升降机构40的升降部41上升，彩色滤光片放在升降部41上；之后升降部41下降将彩色滤光片下降至加热板32上，然后上盖板20下降盖合进行真空干燥和预烤；真空干燥和预烤完成后，上盖板20上升，升降部41上升将加热板32上的彩色滤光片顶起上升，外部取放机构将彩色滤光片取出。　　　
　　　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或等效流程变换，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。

Claims (20)

  1. 一种真空干燥机，包括底座和上盖板，其特征在于，还包括设于所述底座与所述上盖板正对的一面上的加热组件。
  2. 根据权利要求1所述的真空干燥机，其特征在于，所述底座上还设有位于所述加热组件下方的升降机构，所述升降机构的升降部垂直贯穿所述加热组件。
  3. 根据权利要求2所述的真空干燥机，其特征在于，所述升降机构为步进气缸或步进电机。
  4. 根据权利要求1所述的真空干燥机，其特征在于，所述加热组件包括发热件和设置在所述发热件上的加热板。
  5. 根据权利要求4所述的真空干燥机，其特征在于，还包括温度控制器，所述温度控制器与所述发热件电连接。
  6. 根据权利要求4所述的真空干燥机，其特征在于，所述底座上还设有位于所述加热组件下方的升降机构，所述升降机构的升降部垂直贯穿所述加热组件。
  7. 根据权利要求4所述的真空干燥机，其特征在于，所述发热件为电磁感应发热线圈。
  8. 根据权利要求7所述的真空干燥机，其特征在于，还包括温度控制器，所述温度控制器与所述发热件电连接。
  9. 根据权利要求7所述的真空干燥机，其特征在于，所述底座上还设有位于所述加热组件下方的升降机构，所述升降机构的升降部垂直贯穿所述加热组件。
  10. 根据权利要求4所述的真空干燥机，其特征在于，所述加热板与所述上盖板正对的一面为波纹面。
  11. 根据权利要求10所述的真空干燥机，其特征在于，还包括温度控制器，所述温度控制器与所述发热件电连接。
  12. 根据权利要求10所述的真空干燥机，其特征在于，所述底座上还设有位于所述加热组件下方的升降机构，所述升降机构的升降部垂直贯穿所述加热组件。
  13. 根据权利要求12所述的真空干燥机，其特征在于，所述升降机构为步进气缸或步进电机。
  14. 根据权利要求4所述的真空干燥机，其特征在于，所述加热板与所述上盖板正对的一面设有用于支撑被加热物的多个支撑部。
  15. 根据权利要求14所述的真空干燥机，其特征在于，还包括温度控制器，所述温度控制器与所述发热件电连接。
  16. 根据权利要求14所述的真空干燥机，其特征在于，所述底座上还设有位于所述加热组件下方的升降机构，所述升降机构的升降部垂直贯穿所述加热组件。
  17. 根据权利要求14所述的真空干燥机，其特征在于，所述支撑部为所述加热板上的凸起。
  18. 根据权利要求17所述的真空干燥机，其特征在于，还包括温度控制器，所述温度控制器与所述发热件电连接。
  19. 根据权利要求17所述的真空干燥机，其特征在于，所述底座上还设有位于所述加热组件下方的升降机构，所述升降机构的升降部垂直贯穿所述加热组件。
  20. 根据权利要求19所述的真空干燥机，其特征在于，所述升降机构为步进气缸或步进电机。
PCT/CN2014/070415 2013-12-31 2014-01-09 真空干燥机 Ceased WO2015100781A1 (zh)

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CN201320889190.8U CN203810853U (zh) 2013-12-31 2013-12-31 真空干燥机

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CN107255393A (zh) * 2017-07-28 2017-10-17 南京研正干燥设备有限公司 一种电磁真空干燥箱

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