CN101989650B - 阀控式密封电池真空灌胶技术 - Google Patents

阀控式密封电池真空灌胶技术 Download PDF

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CN101989650B
CN101989650B CN200910166055A CN200910166055A CN101989650B CN 101989650 B CN101989650 B CN 101989650B CN 200910166055 A CN200910166055 A CN 200910166055A CN 200910166055 A CN200910166055 A CN 200910166055A CN 101989650 B CN101989650 B CN 101989650B
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vacuum tank
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CN101989650A (zh
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黎福根
彭建辉
黎建康
欧阳文胜
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Hu'nan Fengri Power And Electric Co Ltd
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Abstract

本发明是一种阀控式密封电池真空灌胶技术，该系统所采用的技术步骤是：将环氧树脂端子胶灌注入电池端子与电池盖之间的间隙；将电池放入真空箱内，利用三分种时间对真空箱抽取真空；置停两分种，对真空箱释放真空；再次利用三分种时间对真空箱抽取真空；置停两分种，对真空箱释放真空，取出电池。抽取真空后，负压力促使端子胶内气泡和塑料螺母缝隙内气泡迅速逸出，消除了端子胶内气泡，使端子胶能渗入电池盖与端子之间所有缝隙，达到更好地密封端子的目的，减少电解液从电池端子渗漏的可能性，可以消除胶面产生的气泡，改善产品外观质量。

Description

阀控式密封电池真空灌胶技术
技术领域
本发明涉及一种阀控式密封电池真空灌胶技术。
背景技术
目前，传统的电池端子的密封是采用环氧树脂端子胶灌注入电池端子与电池盖之间的间隙，在一定温度和正常压力下固化，形成胶封。这种胶封技术因单纯靠环氧树脂胶的重力，因环氧树脂胶的粘度大，流动性不好，加之上层胶和下层胶固化速度不一致，容易产生气泡，使得端子胶不能完全渗入电池盖与电池端子之间所有缝隙，可能造成电池电解液从缝隙中爬上电池盖，造成电池漏酸；产生的胶面气泡也影响了电池外观质量。
发明内容
本发明要解决的技术问题是，为了改变上述状况，现采用一种阀控式密封电池真空灌胶技术，使注入的环氧树脂端子胶完全渗入电池盖与电池端子之间所有缝隙，并消除胶面气泡。
本发明所采用的技术步骤是：
(a)将环氧树脂端子胶灌注入电池端子与电池盖之间的间隙；
(b)将电池放入真空箱内，利用三分种时间对真空箱抽取真空；
(c)置停两分种，对真空箱释放真空；
(d)再次利用三分种时间对真空箱抽取真空；
(e)置停两分种，对真空箱释放真空，取出电池。
本发明的有益效果是，抽取真空后，负压力促使端子胶内气泡和塑料螺母缝隙内气泡迅速逸出，消除了端子胶内气泡，使端子胶能渗入电池盖与端子之间所有缝隙，达到更好地密封端子的目的，减少电解液从电池端子渗漏的可能性，可以消除胶面产生的气泡，改善产品外观质量。
附图说明
图1是传统密封技术胶封状态示意图；
图2是采用本发明阀控式密封电池真空灌胶技术后胶封状态示意图。
图中标示为：1、端子，2、气泡，3、端子胶，4、电池盖，5、缝隙，6、螺母，7、螺纹缝隙，8、密封圈。
具体实施方式
下面结合附图1-2对本发明作进一步说明，如图1所示，采用传统密封技术胶封后，因环氧树脂胶的粘度大，流动性不好，加之上层胶和下层胶固化速度不一致，容易产生气泡(2)，使得端子胶(3)不能完全渗入电池盖(4)与电池端子(1)之间所有缝隙，电池端子(1)与电池盖(4)之间尚存在端子(1)与螺母(6)之间的缝隙(5)与螺纹缝隙(7)。
如图2所示，采用本发明阀控式密封电池真空灌胶技术后，端子胶(3)完全渗入端子(1)与螺母(6)之间的缝隙(5)与螺纹缝隙(7)中，同时，端子胶(3)中气泡(2)完全消除了，这样，达到了更好地密封端子的目的，减少电解液从电池端子渗漏的可能性，可以消除胶面产生的气泡，改善产品外观质量。

Claims (1)

1.一种阀控式密封电池真空灌胶方法，其特征在于该方法所采用的技术步骤是：
(a)将环氧树脂端子胶灌注入电池端子与电池盖之间的间隙；
(b)将电池放入真空箱内，利用三分钟时间对真空箱抽取真空；
(c)置停两分钟，对真空箱释放真空；
(d)再次利用三分钟时间对真空箱抽取真空；
(e)置停两分钟，对真空箱释放真空，取出电池。
CN200910166055A 2009-08-07 2009-08-07 阀控式密封电池真空灌胶技术 Active CN101989650B (zh)

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Publication number Priority date Publication date Assignee Title
CN102522521B (zh) * 2011-12-30 2017-03-15 襄阳振本传动设备有限公司 蓄电池端子自动上胶头
CN102800820A (zh) * 2012-08-03 2012-11-28 上海锦众信息科技有限公司 一种铅酸电池极柱的密封方法
CN110665771A (zh) * 2018-07-02 2020-01-10 山西裕鼎精密科技有限公司 金属塑胶复合件的缝隙封闭方法
CN110890513B (zh) * 2018-09-05 2024-09-24 博众精工科技股份有限公司 一种钠镍电池熔体填充及测试线
CN110880577B (zh) * 2018-09-05 2024-09-24 博众精工科技股份有限公司 一种熔体灌注机灌注系统
CN113224430B (zh) * 2021-07-09 2021-09-21 湖南丰日电源电气股份有限公司 一种蓄电池极柱密封工艺
CN115275467B (zh) * 2022-07-28 2024-07-19 浙江南都电源动力股份有限公司 一种蓄电池极柱密封结构
CN116618241B (zh) * 2023-07-24 2023-09-12 江苏泽润新能科技股份有限公司 一种汽车电池包灌胶装置

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5024675A (en) * 1987-08-03 1991-06-18 Chloride Silent Power Limited Apparatus for filling and sealing alkali metal electrode containers for alkali metal energy conversion devices and method of filling alkali metal electrode containers for alkali metal energy conversion devices
CN2209837Y (zh) * 1994-11-04 1995-10-11 统一工业股份有限公司 蓄电池端子座

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5024675A (en) * 1987-08-03 1991-06-18 Chloride Silent Power Limited Apparatus for filling and sealing alkali metal electrode containers for alkali metal energy conversion devices and method of filling alkali metal electrode containers for alkali metal energy conversion devices
CN2209837Y (zh) * 1994-11-04 1995-10-11 统一工业股份有限公司 蓄电池端子座

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