CN103600954B - 一种掩模板搬运治具 - Google Patents

一种掩模板搬运治具 Download PDF

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CN103600954B
CN103600954B CN201310473332.7A CN201310473332A CN103600954B CN 103600954 B CN103600954 B CN 103600954B CN 201310473332 A CN201310473332 A CN 201310473332A CN 103600954 B CN103600954 B CN 103600954B
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drive spindle
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CN103600954A (zh
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李艳秋
魏崇喜
李伟
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BOE Technology Group Co Ltd
Beijing BOE Display Technology Co Ltd
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BOE Technology Group Co Ltd
Beijing BOE Display Technology Co Ltd
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Priority to PCT/CN2014/076852 priority patent/WO2015051637A1/zh
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Abstract

本发明提供一种掩模板搬运治具，包括：搬运支架；用于固定待搬运掩模板的固定结构，设置在所述搬运支架上。本发明的有益效果是：避免人手与掩模板的直接接触，降低掩模板搬运过程中被损坏的风险，提高工作效率。

Description

一种掩模板搬运治具
技术领域
本发明涉及液晶显示技术领域，尤其涉及一种掩模板搬运治具。
背景技术
目前，用于高世代TFT-LCD（薄膜晶体管液晶显示器）生产的掩膜板的取放及搬运方式多为人工徒手搬运，在搬运过程中人手直接与掩膜版接触，存在一定的搬运损坏及品质不良风险。尤其是价格昂贵的大尺寸掩膜版，在徒手搬动过程中掩膜版存在更大的被损坏的风险。
发明内容
为了解决上述技术问题，本发明提供一种掩模板搬运治具，搬运过程中避免人手与掩模板的直接接触，避免掩模板被损伤的风险。
为了达到上述目的，本发明采用的技术方案是：一种掩模板搬运治具，包括：
搬运支架；
用于固定待搬运掩模板的固定结构，设置在所述搬运支架上。
进一步的，所述固定结构包括：
可与待搬运掩模板卡接的卡接结构；
用于使得所述卡接结构在第一状态和第二状态之间变化的连接结构；
所述卡接结构在第一状态下能够与待搬运掩模板相应的边缘卡接，所述卡接结构在第二状态下松开所述待搬运掩模板。
进一步的，所述卡接结构包括执行杆，所述执行杆的一端具有可与待搬运掩模板边缘卡接的卡槽，另一端与所述连接结构连接。
进一步的，所述连接结构包括：
驱动杆，所述驱动杆在所述卡接结构位于所述第一状态时与待搬运掩模板平行设置，且在所述卡接结构位于所述第二状态时与待搬运掩模板具有一定角度，所述驱动杆的第一端枢接于所述搬运支架；
传动杆，一端与所述驱动杆和所述搬运支架连接的一端枢接，另一端与所述卡接结构枢接；
用于在所述卡接结构位于所述第一状态时限定所述驱动杆的位置的套杆，所述套杆与所述搬运支架连接，且罩设在所述驱动杆的外部，所述套杆与所述驱动杆的第一端相对应的位置设有用于与所述卡接结构连接的连接部。
进一步的，所述套杆与所述驱动杆之间设有用于在所述卡接结构位于所述第二状态时、使所述驱动杆与所述套杆之间具有预设角度的弹性部件。
进一步的，所述固定结构还包括用于在所述卡接结构位于所述第一状态时紧固所述驱动杆与所述套杆、并在所述卡接结构位于所述第二状态时松开所述驱动杆与所述套杆的销钉，所述销钉穿设于所述套杆上的第一通孔和所述驱动杆上的第二通孔。
进一步的，所述套杆为截面为U型的条形凹槽结构，所述套杆的两侧壁与所述驱动杆的第一端相对应的位置向外延伸形成两个所述连接部，所述两个连接部的端部与所述卡接结构枢接。
进一步的，所述搬运支架为由多个横梁交叉设置形成的井字形结构，所述井字形结构的端部均设有所述固定结构。
进一步的，所述搬运支架包括并排设置的两个长横梁和两个短横梁，所述两个长横梁之间设有加强筋。
本发明的有益效果是：避免人手与掩模板的直接接触，降低掩模板搬运过程中被损坏的风险，提高工作效率。
附图说明
图1表示本发明结构示意图；
图2表示本发明执行杆位于第一状态示意图；
图3表示本发明执行杆位于第二状态示意图；
图4表示本发明结构简图。
具体实施方式
以下结合附图对本发明的结构和原理进行详细说明，所举实施例仅用于解释本发明，并非以此限定本发明的保护范围。
如图1所示，本实施例提供一种掩模板4搬运治具，包括：
搬运支架；
用于固定待搬运掩模板4的固定结构2，设置在所述搬运支架上。
本实施例掩模板4搬运治具的设置，避免了人手与掩模板4的直接接触，消除了人手对掩模板4的污染，降低了掩模板4在搬运过程中被损坏的风险，提高工作效率。
在本发明的具体实施例中，固定结构2固定待搬运掩模板4，就能达到上述的技术效果，因此固定结构2的结构形式均可以有多种，下面对本实施例采用的结构形式详细描述如下。
如图2和图3所示，所述固定结构2包括：
可与待搬运掩模板4卡接的卡接结构；
用于使得所述卡接结构在第一状态和第二状态之间变化的连接结构；
所述卡接结构在第一状态下能够与待搬运掩模板4相应的边缘卡接，所述卡接结构在第二状态下松开所述待搬运掩模板4。
采用卡接的方式固定掩模板4，防止掩模板4的损伤。
卡接结构能够与待搬运掩模板卡接，且可以在连接结构的控制下在第一状态和第二状态之间变化，即可达到上述效果，因此卡接结构的结构形式可以有多种，本实施例中，所述卡接结构包括执行杆23，所述执行杆23的一端具有可与待搬运掩模板4边缘卡接的卡槽231，另一端与所述连接结构连接。以下均以执行杆23对掩模板搬运治具的结构进行详细描述。
本实施例中，所述卡槽231的宽度与待搬运掩模板4的厚度相适配，以便卡紧掩模板4。
所述连接结构包括：
驱动杆22，所述驱动杆22在所述执行杆23位于所述第一状态时与待搬运掩模板4（待搬运模板一般平行放置）平行设置，且所述驱动杆22在所述执行杆23位于所述第二状态时与待搬运掩模板具有一定角度，所述驱动杆22的第一端枢接于相应的所述搬运支架上的横梁1；
传动杆24，一端与所述驱动杆22和所述搬运支架连接的一端枢接，另一端与所述执行杆23枢接；
用于在所述执行杆23位于所述第一状态时限定所述驱动杆22的位置的套杆21，所述套杆21与所述搬运支架连接，且罩设在所述驱动杆22的外部，所述套杆21与所述驱动杆22的第一端相对应的位置设有用于与所述执行杆23连接的连接部211。
本实施例中固定结构2对于待搬运掩模板4的固定、松开采用与曲柄滑块机构相同的原理，驱动杆22与传动杆24保持垂直状态，驱动杆22与相应的横梁1枢接，传动杆24与执行杆23枢接，执行杆23与套杆21枢接，套杆21用于固定执行杆23，确保执行杆23的动力源只有传动杆24传递的力，以确保执行杆23的运动方向及运动角度。
驱动杆22向靠近套杆21的方向运动至驱动杆22与套杆21平行，驱动传动杆24转动，在传动杆24的带动下，执行杆23向靠近待搬运掩模板4的方向运动至卡槽231与待搬运掩模板4相应的边缘卡接，即执行杆23位于第一状态，如图2所示；驱动杆22向远离套杆21的方向运动，驱动传动杆24反向移动，在传动杆24的带动下，执行杆23反向移动，掩模板4从卡槽231中脱离，及执行杆23位于第二状态，如图3所示。
本实施例中，所述执行杆23上设有滑动槽，传动杆24与所述滑动槽相对应的位置设有通孔，螺钉穿过该滑动槽与通孔，将传动杆24与执行杆23连接，传动杆24在驱动杆22的驱动下转动，螺钉在滑动槽内移动以带动执行杆23卡紧待搬运掩模板4或松开待搬运掩模板4。
为了增加人工扳动驱动杆22的手感，以及缓冲卡槽231与待搬运掩模板4卡接的力度，所述套杆21与所述驱动杆22之间设有用于在所述执行杆23位于所述第二状态时、所述驱动杆22与所述套杆21之间具有预设角度的弹性部件。
图4中实线表示的是执行杆23位于第一状态时驱动杆22、传动杆24、执行杆23的状态；虚线表示执行杆23位于第二状态时驱动杆22、传动杆24、执行杆23的状态。
本实施例中，所述弹性部件为弹簧，限定了驱动杆22的运动范围，以便有效的控制执行杆23的运动范围，使得执行杆23在位于第一状态时，驱动杆22与套杆21平行，此时执行杆23与驱动杆22垂直，即与待搬运掩模板4垂直，卡槽231与待搬运掩模板4卡接，执行杆23位于第二状态时，驱动杆22与套杆21之间的角度如图4所示的α角。降低了卡槽231与待搬运掩模板4卡接时接触的力度，缓冲了待搬运掩模板4对卡槽231的冲击力，避免了掩模板4以及卡槽231的损伤，提供了掩模板4搬运治具的使用寿命。
为了防止执行杆23位于第一状态时，卡槽231与掩模板4卡接的不稳定性，需要在掩模板4搬运过程中使得执行杆23保持位于第一状态，所述固定结构2还包括用于在所述执行杆23位于所述第一状态时紧固所述驱动杆22与所述套杆21、并在所述执行杆23位于所述第二状态时松开所述驱动杆22与所述套杆21的销钉25，所述销钉25穿设于所述套杆21上的第一通孔和所述驱动杆22上的第二通孔。
本实施例中，所述套杆21为截面为U型的条形凹槽结构，所述套杆21的两侧壁与所述驱动杆22的第一端相对应的位置向外延伸形成两个所述连接部211，部分所述执行杆23位于所述两个连接部211之间，且所述执行杆23与所述两个连接部211铰接。
执行杆23未设置卡槽231的一端与传动杆24铰接，执行杆23上与连接部211连接的连接点根据实际需要与卡槽231具有预设距离，以固定执行杆23利于控制执行杆23的运动方向和运动角度。
在本发明的具体实施例中，搬运支架用于设置固定结构2，以及提供人工搬运掩模板4的手持部位或工具搬运掩模板4的夹持部位，就能达到上述的技术效果，因此搬运支架的结构形式均可以有多种，下面对几种可能的结构详细描述如下。
一实施例中，搬运支架包括并排设置的至少2个横梁1，至少2个横梁1之间通过连接杆连接，每一横梁1的两端设有所述固定结构2，在搬运掩模板4时，每一横梁1的两端的固定结构2分别与掩模板4相对的两端连接以固定掩模板4，方便掩模板4的搬运。
但是，掩模板4只有相对的两端被固定，搬运途中如果掩模板4发生倾斜，则存在，掩模板4从固定结构2中拖出的风险，为了进一步的确保掩模板4在搬运过程中的安全性，本实施例中搬运支架结构如图1所示，所述搬运支架为由多个横梁1交叉设置形成的井字形结构，所述井字形结构的端部均设有所述固定结构2。
即每一所述横梁1的两端均与相应的固定结构的驱动杆22枢接，执行杆23位于第一状态时，驱动杆22与相应的横梁1平行，执行杆位于第二状态时，驱动杆与相应的横梁1具有一定的角度，即图4中所示的α角，以控制执行杆23的运动范围和运动方向。
搬运掩模板4时，掩模板4的四周均被固定，即使搬运过程中，掩模板4发生倾斜避免由于掩模板4的滑动、甚至掉落发生的损伤，保证掩模板4搬运过程中的安全性。
为了与掩模板4的尺寸相适配，所述搬运支架包括并排设置的两个长横梁1和两个短横梁1，且为了加强搬运支架的强度，所述两个长横梁1之间设有加强筋3。
本实施例结构简图由图4可知，掩模板4搬运治具包括两个机件（机件1为驱动杆22和传动杆24，机件2为执行杆23），两个低副，一个高副（高副机构（higher pair）或简称作高副，在机械工程中，指的是机构的两构件通过点或线的接触而构成的运动副。例如齿轮副和凸轮副就属于高副机构。相对而言，通过面的接触而构成的，叫作低副机构。本实施例中低副为驱动杆22与横梁1构成的第一运动副，传动杆24和执行杆23构成的第二运动副；高副为执行杆23与掩模板4构成的运动副。），本实施例掩模板4搬运治具的自由度由以下计算公式获得：Fn=3*2-2*2-1=1（第一运动副的自由度为3，第二运动副的自由度为2，高副的自由度为1），即掩模板4搬运治具只需驱动杆22运动形成驱动力即可完成待搬运掩模板4的固定与松开，以方便掩模板4的搬运。
以上所述为本发明较佳实施例，应当指出，对于本领域普通技术人员来说，在不脱离本发明所述原理的前提下，还可以做出若干改进和润饰，这些改进和润饰也应视为本发明保护范围。

Claims (7)

1.一种掩模板搬运治具，其特征在于，包括：
搬运支架；
用于固定待搬运掩模板的固定结构，设置在所述搬运支架上；
所述固定结构包括：
可与待搬运掩模板卡接的卡接结构；
用于使得所述卡接结构在第一状态和第二状态之间变化的连接结构；
所述卡接结构在第一状态下能够与待搬运掩模板相应的边缘卡接，所述卡接结构在第二状态下松开所述待搬运掩模板；
所述连接结构包括：
驱动杆，所述驱动杆在所述卡接结构位于所述第一状态时与待搬运掩模板平行设置，且在所述卡接结构位于所述第二状态时与待搬运掩模板具有一定角度，所述驱动杆的第一端枢接于所述搬运支架；
传动杆，一端与所述驱动杆和所述搬运支架连接的一端枢接，另一端与所述卡接结构枢接；
用于在所述卡接结构位于所述第一状态时限定所述驱动杆的位置的套杆，所述套杆与所述搬运支架连接，且罩设在所述驱动杆的外部，所述套杆与所述驱动杆的第一端相对应的位置设有用于与所述卡接结构连接的连接部。
2.根据权利要求1所述的掩模板搬运治具，其特征在于，所述卡接结构包括执行杆，所述执行杆的一端具有可与待搬运掩模板边缘卡接的卡槽，另一端与所述连接结构连接。
3.根据权利要求1所述的掩模板搬运治具，其特征在于，所述套杆与所述驱动杆之间设有用于在所述卡接结构位于所述第二状态时、使所述驱动杆与所述套杆之间具有预设角度的弹性部件。
4.根据权利要求1所述的掩模板搬运治具，其特征在于，所述固定结构还包括用于在所述卡接结构位于所述第一状态时紧固所述驱动杆与所述套杆、并在所述卡接结构位于所述第二状态时松开所述驱动杆与所述套杆的销钉，所述销钉穿设于所述套杆上的第一通孔和所述驱动杆上的第二通孔。
5.根据权利要求1所述的掩模板搬运治具，其特征在于，所述套杆为截面为U型的条形凹槽结构，所述套杆的两侧壁与所述驱动杆的第一端相对应的位置向外延伸形成两个所述连接部，所述两个连接部的端部与所述卡接结构枢接。
6.根据权利要求1-5任一项所述的掩模板搬运治具，其特征在于，所述搬运支架为由多个横梁交叉设置形成的井字形结构，所述井字形结构的端部均设有所述固定结构。
7.根据权利要求6所述的掩模板搬运治具，其特征在于，所述搬运支架包括并排设置的两个长横梁和两个短横梁，所述两个长横梁之间设有加强筋。
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