CN104808446B - 一种涂布机 - Google Patents

一种涂布机 Download PDF

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CN104808446B
CN104808446B CN201510230284.8A CN201510230284A CN104808446B CN 104808446 B CN104808446 B CN 104808446B CN 201510230284 A CN201510230284 A CN 201510230284A CN 104808446 B CN104808446 B CN 104808446B
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nozzles
nozzle
coating
moving member
pump
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CN104808446A (zh
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李坤
张磊
罗祝义
胡瑾
张畅
吴斌
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BOE Technology Group Co Ltd
Hefei BOE Optoelectronics Technology Co Ltd
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Hefei BOE Optoelectronics Technology Co Ltd
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B13/00—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00
    • B05B13/02—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work
    • B05B13/0278—Arrangement or mounting of spray heads
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C5/00—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work
    • B05C5/02—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work
    • B05C5/0254—Coating heads with slot-shaped outlet
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C5/00—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work
    • B05C5/02—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work
    • B05C5/0254—Coating heads with slot-shaped outlet
    • B05C5/0258—Coating heads with slot-shaped outlet flow controlled, e.g. by a valve
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C5/00—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work
    • B05C5/02—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work
    • B05C5/027—Coating heads with several outlets, e.g. aligned transversally to the moving direction of a web to be coated
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
    • H01L21/67—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
    • H01L21/67005—Apparatus not specifically provided for elsewhere
    • H01L21/67011—Apparatus for manufacture or treatment
    • H01L21/6715—Apparatus for applying a liquid, a resin, an ink or the like
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C17/00—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces
    • B05C17/005—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces for discharging material from a reservoir or container located in or on the hand tool through an outlet orifice by pressure without using surface contacting members like pads or brushes
    • B05C17/00503—Details of the outlet element
    • B05C17/00506—Means for connecting the outlet element to, or for disconnecting it from, the hand tool or its container
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C5/00—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work
    • B05C5/02—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work
    • B05C5/027—Coating heads with several outlets, e.g. aligned transversally to the moving direction of a web to be coated
    • B05C5/0275—Coating heads with several outlets, e.g. aligned transversally to the moving direction of a web to be coated flow controlled, e.g. by a valve
    • B05C5/0279—Coating heads with several outlets, e.g. aligned transversally to the moving direction of a web to be coated flow controlled, e.g. by a valve independently, e.g. individually, flow controlled

Abstract

本发明公开了一种涂布机，涉及机械设备技术领域，为解决现有技术中涂布机涂布的均一性低，喷嘴更换、维护不便，更换成本高的问题。该涂布机包括移动件、喷嘴和泵，所述喷嘴为多个，多个所述喷嘴沿所述移动件的长度方向依次设置，所述泵用于向多个所述喷嘴内泵入涂布剂，所述移动件可带动多个所述喷嘴移动，随着所述喷嘴的移动，所述喷嘴可将所述涂布剂涂布于基板上。本发明公开的一种涂布机用于将涂布剂涂布于基板上。

Description

一种涂布机
技术领域
本发明涉及机械设备技术领域，尤其涉及一种涂布机。
背景技术
涂布机是薄膜场效应晶体管液晶显示器在涂布工艺中的关键设备，用于将涂布剂涂布于液晶显示器的玻璃基板上。
现有的涂布机包括移动件，喷嘴和泵，所述泵用于向所述喷嘴内泵入涂布剂，所述移动件可带动所述喷嘴移动，随着所述喷嘴的移动，所述喷嘴可将所述涂布剂涂布于基板上。
随着基板尺寸的增大，需要的喷嘴的长度也相应增长，喷嘴的长度过长会导致泵入喷嘴内的涂布剂分布不均匀，使涂布的均一性降低，另外，当喷嘴损坏或出现堵塞、划伤等异常情况时，喷嘴更换、维护不便，而且更换成本的较高。
发明内容
本发明的实施例提供一种涂布机，解决现有技术中涂布机涂布的均一性低，喷嘴更换、维护不便，更换成本高的问题。
为达到上述目的，本发明的实施例采用如下技术方案：
本发明实施例提供了一种涂布机，包括移动件、喷嘴和泵，所述喷嘴为多个，多个所述喷嘴沿所述移动件的长度方向依次设置，所述泵用于向多个所述喷嘴内泵入涂布剂，所述移动件可带动多个所述喷嘴移动，随着所述喷嘴的移动，所述喷嘴可将所述涂布剂涂布于基板上。
优选地，所述泵为多个，多个所述泵和多个所述喷嘴一一对应连通。
进一步地，还包括储料容器和分流阀，所述分流阀的入口和所述储料容器连通，所述分流阀的多个出口分别和多个所述泵的入口一一对应连通。
可选地，所述移动件上设有多个过孔，每个所述过孔内均设有一个螺栓，多个所述喷嘴上均设有螺纹孔，多个所述螺栓分别穿过相应的过孔和多个所述喷嘴上的螺纹孔配合连接。
优选地，所述过孔为长孔，所述长孔的长度方向平行于所述移动件的长度方向。
进一步地，多个所述长孔沿所述移动件的移动方向排列为两排，多个所述喷嘴上的螺纹孔与所述长孔一一对应，多个所述螺栓穿过两排所述长孔和多个喷嘴上相应的螺纹孔配合连接。
可选地，多个所述喷嘴与所述移动件长度方向平行的侧面均设有一个入口，每个所述入口均和所述泵的出口连通。
可选地，所述泵为PT泵。
可选地，所述喷嘴包括喷嘴头，所述喷嘴头的材料为超硬合金。
可选地，所述涂布剂为光刻胶。
本发明实施例提供的一种涂布机，由于多个喷嘴沿所述移动件的长度方向依次设置，所述泵用于向多个所述喷嘴内泵入涂布剂，从而缩短了喷嘴的长度，使泵入单个喷嘴内的涂布剂分布更均匀，进而提高了涂布的均一性；另外，当任意一个喷嘴损坏或出现堵塞、划伤等异常情况时，只需将相应的喷嘴进行更换或维护，由于单个喷嘴的长度较短，不仅使更换和维护更方便，还降低了更换成本。
附图说明
图1为本发明实施例涂布机的结构示意图；
图2为本发明实施例中移动件的俯视图；
图3为本发明实施例中移动件和喷嘴的爆炸图；
附图标记：
1-移动件； 11-过孔； 2-喷嘴；
21-螺纹孔； 22-入口； 23-喷嘴头；
3-泵； 4-储料容器； 5-分流阀；
6-螺栓； 7-基板。
具体实施方式
下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。
在本发明的描述中，需要说明的是，除非另有明确的规定和限定，术语“安装”、“相连”、“连接”应做广义理解，例如，可以是固定连接，也可以是可拆卸连接，或一体地连接；可以是机械连接，也可以是电连接；可以是直接相连，也可以通过中间媒介间接相连，可以是两个元件内部的连通。对于本领域的普通技术人员而言，可以具体情况理解上述术语在本发明中的具体含义。
在本发明的描述中，除非另有说明，“多个”的含义是两个或两个以上。
本发明实施例提供了一种涂布机，用于涂布涂布剂，如图1所示，包括移动件1、喷嘴2和泵3，喷嘴2为多个，多个喷嘴2沿移动件1的长度方向依次设置，泵3用于向多个喷嘴2内泵入涂布剂，移动件1可带动多个喷嘴2移动，随着喷嘴2的移动，喷嘴2可将所述涂布剂涂布于基板7上。
本发明实施例提供的一种涂布机，由于多个喷嘴2沿移动件1的长度方向依次设置，泵3用于向多个喷嘴2内泵入涂布剂，从而缩短了喷嘴2的长度，使泵入单个喷嘴2内的涂布剂分布更均匀，进而提高了涂布的均一性；另外，当任意一个喷嘴2损坏或出现堵塞、划伤等异常情况时，只需将相应的喷嘴2进行更换或维护，由于单个喷嘴2的长度较短，不仅使更换和维护更方便，还降低了更换成本。
在上述实施例的基础上，参照图1，泵3为多个，多个泵3和多个喷嘴2一一对应连通，即每个喷嘴2单独使用一个泵3来控制泵入的涂布剂的量，从而便于分别对各个喷嘴2内泵入的涂布剂的量进行调节，进一步提高了涂布的均一性。
为了使涂布机的结构更加紧凑，如图1所示，本实施例中的涂布机还包括储料容器4和分流阀5，分流阀5的入口和储料容器4连通，分流阀5的多个出口分别和多个泵3的入口一一对应连通，从储料容器4内流出的涂布剂通过一条管路流入分流阀5的入口，再分别通过分流阀5的多个出口流入相应的泵3，从而减少了多个泵3与储料容器4之间的连接管路，使涂布机的结构更加紧凑。
移动件1和喷嘴2可通过螺栓6连接，参照图2和图3，移动件1上设有多个过孔11，每个过孔11内均设有一个螺栓6，多个喷嘴2上均设有螺纹孔21，多个螺栓6分别穿过相应的过孔11和多个喷嘴2上的螺纹孔21配合连接，从而使移动件1和喷嘴2的连接更可靠，当喷嘴2损坏或出现堵塞、划伤等异常情况时也方便拆卸。
为了减少涂布剂的浪费，本发明实施例中过孔11为长孔，所述长孔的长度方向平行于移动件1的长度方向，由此，当基板7沿移动件1的移动方存在不需要涂布的区域时，可将螺栓6拧松后，使螺栓6带动喷嘴2沿长孔的长度方向平移，图2中箭头所示为螺栓6的移动方向，图3中箭头所示为喷嘴2的移动方向，从而使喷嘴2避开不需要涂布的区域，进而减少了涂布剂的浪费，降低了成本。
进一步的，为了提高喷嘴2和移动件1连接的稳定性，参照图2，多个所述长孔沿移动件1的移动方向排列为两排，多个喷嘴2上的螺纹孔21与长孔一一对应，多个螺栓6穿过两排长孔和多个喷嘴2上相应的螺纹孔21配合连接，从而提高了喷嘴2和移动件1连接的稳定性。
泵3的出口和多个喷嘴2的入口22均连通，通过多个入口22向相应的喷嘴2内泵入涂布剂，喷嘴2的入口22可设置于喷嘴2的顶面或与移动件1长度方向平行的侧面，当入口22设于喷嘴2的顶面时，由于喷嘴2沿移动件1移动方向的厚度较小，造成入口22的直径较小，导致涂布剂沿移动件1长度方向的泵入范围较小，涂布的均一性较低；参照图1和图3，当入口22设于与移动件1长度方向平行的侧面时，由于喷嘴2的高度较高，使得可设置的入口22的直径增大，从而增大了涂布剂沿移动件1长度方向的泵入范围，进一步提高了涂布的均一性，因此，本实施例中喷嘴2的入口22优选设置于与移动件1长度方向平行的侧面。
泵3为P(Pressure压力)T(Time时间)泵，PT泵可精确控制所输送的涂布剂的体积，提高泵入各个喷嘴内的涂布剂量的精确度，从而提高了涂布机涂布的均一性。
移动件1带动喷嘴2移动，将涂布剂涂布于基板7上，在涂布的过程中容易有异物将喷嘴2的喷嘴头23划伤，为避免上述问题，参照图3，本实施例中喷嘴2包括喷嘴头23，喷嘴头23的材料为超硬合金，例如，可以使用硬度为HRC 76.1的超硬合金，由此，可有效避免喷嘴头23被划伤，减少维修次数。
具体的，在液晶显示器彩膜和TFT涂布工艺中，所述涂布剂可以为光刻胶，光刻胶存储于储料容器4中，通过泵3分别泵入各个喷嘴2内，在移动件1的带动下，喷嘴2可将光刻胶涂布于液晶显示器的玻璃基板上。当然，所述涂布剂还可以为其他可用于涂布的材料，如发光材料、封框胶等等。
以上所述，仅为本发明的具体实施方式，但本发明的保护范围并不局限于此，任何熟悉本技术领域的技术人员在本发明揭露的技术范围内，可轻易想到变化或替换，都应涵盖在本发明的保护范围之内。因此，本发明的保护范围应以所述权利要求的保护范围为准。

Claims (9)

1.一种涂布机，用于涂布涂布剂，其特征在于，包括移动件、喷嘴和泵，所述喷嘴为多个，多个所述喷嘴沿所述移动件的长度方向依次设置，所述泵用于向多个所述喷嘴内泵入涂布剂，所述移动件可带动多个所述喷嘴移动，随着多个所述喷嘴的移动，多个所述喷嘴可同时将所述涂布剂涂布于基板上，从而缩短喷嘴长度使单个喷嘴内的涂布剂分布均匀，进而提高涂布均一性或者在喷嘴损坏等方便更换或维修；
所述移动件上设有多个过孔，每个所述过孔内均设有一个螺栓，多个所述喷嘴上均设有螺纹孔，多个所述螺栓分别穿过相应的过孔和多个所述喷嘴上的螺纹孔配合连接。
2.根据权利要求1所述的涂布机，其特征在于，所述泵为多个，多个所述泵和多个所述喷嘴一一对应连通。
3.根据权利要求2所述的涂布机，其特征在于，还包括储料容器和分流阀，所述分流阀的入口和所述储料容器连通，所述分流阀的多个出口分别和多个所述泵的入口一一对应连通。
4.根据权利要求1所述的涂布机，其特征在于，所述过孔为长孔，所述长孔的长度方向平行于所述移动件的长度方向。
5.根据权利要求4所述的涂布机，其特征在于，多个所述长孔沿所述移动件的移动方向排列为两排，多个所述喷嘴上的螺纹孔与所述长孔一一对应，多个所述螺栓穿过两排所述长孔和多个喷嘴上相应的螺纹孔配合连接。
6.根据权利要求1所述的涂布机，其特征在于，多个所述喷嘴与所述移动件长度方向平行的侧面均设有一个入口，每个所述入口均和所述泵的出口连通。
7.根据权利要求1～6中任一项所述的涂布机，其特征在于，所述泵为PT泵。
8.根据权利要求1～6中任一项所述的涂布机，其特征在于，所述喷嘴包括喷嘴头，所述喷嘴头的材料为超硬合金。
9.根据权利要求1所述的涂布机，其特征在于，所述涂布剂为光刻胶。
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