CN107694888A - 电动汽车钣金喷漆工艺 - Google Patents

电动汽车钣金喷漆工艺 Download PDF

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CN107694888A
CN107694888A CN201711064146.2A CN201711064146A CN107694888A CN 107694888 A CN107694888 A CN 107694888A CN 201711064146 A CN201711064146 A CN 201711064146A CN 107694888 A CN107694888 A CN 107694888A
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metal plate
electric automobile
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李建国
黄秀云
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ANHUI BAODAO NEW ENERGY DEVELOPMENT Co Ltd
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Abstract

本发明公开了一种电动汽车钣金喷漆工艺，包括以下步骤：(1)准备工作；(2)喷漆；(3)干燥；(4)；(5)检验。本发明采用环氧改性有机硅树脂为主料，辅以其他各辅料，使得混合料的耐高温性能显著提升，高温环境下动力粘度大，各原料之间相互作用，相互配合，产生复合效应，形成一个改善漆料性能的体系，涂料抗老化性能好，而且对于紫外线具有极强的反射作用，同时漆料具有优良的抗阻燃性能，经过试验验证磷酸锌粉末与环氧改性有机硅树脂分子之间结合具有耐高温性能。

Description

电动汽车钣金喷漆工艺
技术领域
本发明涉及电动汽车技术领域，尤其涉及一种电动汽车钣金喷漆工艺。
背景技术
随着社会的发展，全球能源危机不断加剧、石油资源日趋枯竭、大气污染和全球气温变暖日益严重，而汽车作为人们出行不可或缺的交通工具，通常依靠烧油驱动，会加剧能源和环境危机。对此，汽车产业推出了新能源电动汽车，可避免或减少烧油，有利于促进环境保护和缓解传统能源的短缺危机，具有广阔的市场发展前景。
随着我国节能减排政策的推进，新能源车辆得到了广泛应用，特别是电动车辆，采用电力驱动，不产生排放污染，是实现交通运输方面节能减排的重大措施。
近年来，共享电动汽车逐渐出现，由于其使用性质，导致其使用频率很高，运行时间长，故对其表面的涂料质量要求较高，普通涂料不能满足各项指标，普通涂料有以下缺点：
(1)普通涂料绝缘性差，使用在电动汽车上会有安全隐患；
(2)普通涂料不耐高温，长时间在烈日暴晒下，会发生开裂、起泡、脱落；
(3)普通涂料防水性差，容易被雨水渗透，导致内部被腐蚀；
(4)普通涂料不耐磕碰，耐磨性差，附着力差，不小心剐蹭后，会出现掉漆现象，进而容易被腐蚀。
发明内容
本发明所要解决的技术问题在于提供一种电动汽车钣金喷漆工艺。
本发明所要解决的技术问题采用以下技术方案来实现：
一种电动汽车钣金喷漆工艺，包括以下步骤：
(1)准备工作：钣金表面除锈清理，采用砂纸进行除锈；除锈后，用冰醋酸溶液将坯面清洗干净，用棉丝等将须抹腻部位擦拭干净，干燥6分钟，在钣金上涂抹一层乳胶，等钣金上的乳胶干了以后在钣金需要喷漆的部位上刮上腻子粉，干燥后打磨；
(2)喷漆：将不需要喷漆的不然遮挡好，用喷漆的方式对钣金进行喷漆，干燥；
(3)干燥：大气温度20℃以上时，自然干燥，干燥时间不少于20分钟；大气温度低于20℃；
(4)抛光：对喷好面漆的钣金进行抛光，贴标志处理；
(5)检验：喷漆表面要求无滑痕、平整、光滑。
进一步地，钣金在喷漆前进行淬火处理，淬火温度为150～200℃，淬火时间为5～10秒，保证喷漆时钣金的温度为55℃。
进一步地，所述冰醋酸浓度为4.3％。
进一步地，所述漆料由以下重量份原料制成：环氧改性有机硅树脂85份，固体硅酮树脂30份，复合无机颜料12份，氯化石蜡6份，环氧大豆油4份，石墨粉10份，滑石粉6份，磷酸锌粉末6份，片状云母粉5份，纳米碳化硅粉6份，甲基硅油8份、钛白粉5份、羧酸3份、纯化水14份。
本发明的有益效果：本发明采用环氧改性有机硅树脂为主料，辅以其他各辅料，使得混合料的耐高温性能显著提升，高温环境下动力粘度大，各原料之间相互作用，相互配合，产生复合效应，形成一个改善漆料性能的体系，涂料抗老化性能好，而且对于紫外线具有极强的反射作用，同时漆料具有优良的抗阻燃性能，经过试验验证磷酸锌粉末与环氧改性有机硅树脂分子之间结合具有耐高温性能。
具体实施方式
为了使本发明实现的技术手段、创作特征、达成目的与功效易于明白了解，下面结合具体实施例，进一步阐述本发明。
实施例1
一种电动汽车钣金喷漆工艺，包括以下步骤：
(1)准备工作：钣金表面除锈清理，采用砂纸进行除锈；除锈后，用冰醋酸溶液将坯面清洗干净，用棉丝等将须抹腻部位擦拭干净，干燥6分钟，在钣金上涂抹一层乳胶，等钣金上的乳胶干了以后在钣金需要喷漆的部位上刮上腻子粉，干燥后打磨；
(2)喷漆：将不需要喷漆的不然遮挡好，用喷漆的方式对钣金进行喷漆，干燥；
(3)干燥：大气温度20℃以上时，自然干燥，干燥时间不少于20分钟；大气温度低于20℃；
(4)抛光：对喷好面漆的钣金进行抛光，贴标志处理；
(5)检验：喷漆表面要求无滑痕、平整、光滑。
钣金在喷漆前进行淬火处理，淬火温度为150～200℃，淬火时间为5～10秒，保证喷漆时钣金的温度为55℃。
所述冰醋酸浓度为4.3％。
所述漆料由以下重量份原料制成：环氧改性有机硅树脂85份，固体硅酮树脂30份，复合无机颜料12份，氯化石蜡6份，环氧大豆油4份，石墨粉10份，滑石粉6份，磷酸锌粉末6份，片状云母粉5份，纳米碳化硅粉6份，甲基硅油8份、钛白粉5份、羧酸3份、纯化水14份。
实施例2
一种电动汽车钣金喷漆工艺，包括以下步骤：
(1)准备工作：钣金表面除锈清理，采用砂纸进行除锈；除锈后，用冰醋酸溶液将坯面清洗干净，用棉丝等将须抹腻部位擦拭干净，干燥6分钟，在钣金上涂抹一层乳胶，等钣金上的乳胶干了以后在钣金需要喷漆的部位上刮上腻子粉，干燥后打磨；
(2)喷漆：将不需要喷漆的不然遮挡好，用喷漆的方式对钣金进行喷漆，干燥；
(3)干燥：大气温度20℃以上时，自然干燥，干燥时间不少于20分钟；大气温度低于20℃；
(4)抛光：对喷好面漆的钣金进行抛光，贴标志处理；
(5)检验：喷漆表面要求无滑痕、平整、光滑。
钣金在喷漆前进行淬火处理，淬火温度为150～200℃，淬火时间为5～10秒，然后再对钣金冷却至-20℃，接着再淬火处理，淬火温度为150～200℃，淬火时间为5～10秒，保证喷漆时钣金的温度为55℃。
所述冰醋酸浓度为4.3％。
所述漆料由以下重量份原料制成：环氧改性有机硅树脂85份，固体硅酮树脂30份，复合无机颜料12份，氯化石蜡6份，环氧大豆油4份，石墨粉10份，滑石粉6份，磷酸锌粉末6份，片状云母粉5份，纳米碳化硅粉6份，甲基硅油8份、钛白粉5份、羧酸3份、纯化水14份。
实施例3
一种电动汽车钣金喷漆工艺，包括以下步骤：
(1)准备工作：钣金表面除锈清理，采用砂纸进行除锈；除锈后，用冰醋酸溶液将坯面清洗干净，用棉丝等将须抹腻部位擦拭干净，干燥6分钟，在钣金上涂抹一层乳胶，等钣金上的乳胶干了以后在钣金需要喷漆的部位上刮上腻子粉，干燥后打磨；
(2)喷漆：将不需要喷漆的不然遮挡好，用喷漆的方式对钣金进行喷漆，干燥；
(3)干燥：大气温度20℃以上时，自然干燥，干燥时间不少于20分钟；大气温度低于20℃；
(4)抛光：对喷好面漆的钣金进行抛光，贴标志处理；
(5)检验：喷漆表面要求无滑痕、平整、光滑。
钣金在喷漆前进行淬火处理，淬火温度为150～200℃，淬火时间为5～10秒，然后再对钣金冷却至-20℃，接着再淬火处理，淬火温度为150～200℃，淬火时间为5～10秒，淬火同时向钣金表面喷洒酒石酸溶液。保证喷漆时钣金的温度为55℃。
所述冰醋酸浓度为4.3％。
所述漆料由以下重量份原料制成：环氧改性有机硅树脂85份，固体硅酮树脂30份，复合无机颜料12份，氯化石蜡6份，环氧大豆油4份，石墨粉10份，滑石粉6份，磷酸锌粉末6份，片状云母粉5份，纳米碳化硅粉6份，甲基硅油8份、钛白粉5份、羧酸3份、纯化水14份。
对实施例1、2、3的涂料进行性能测定，得下表：
以上显示和描述了本发明的基本原理和主要特征。本行业的技术人员应该了解，本发明不受上述实施例的限制，上述实施例和说明书中描述的只是说明本发明的原理，在不脱离本发明精神和范围的前提下，本发明还会有各种变化和改进，这些变化和改进都落入要求保护的本发明范围内。本发明要求保护范围由所附的权利要求书及其等效物界定。

Claims (4)

1.一种电动汽车钣金喷漆工艺，其特征在于，包括以下步骤：
(1)准备工作：钣金表面除锈清理，采用砂纸进行除锈；除锈后，用冰醋酸溶液将坯面清洗干净，用棉丝等将须抹腻部位擦拭干净，干燥6分钟，在钣金上涂抹一层乳胶，等钣金上的乳胶干了以后在钣金需要喷漆的部位上刮上腻子粉，干燥后打磨；
(2)喷漆：将不需要喷漆的不然遮挡好，用喷漆的方式对钣金进行喷漆，干燥；
(3)干燥：大气温度20℃以上时，自然干燥，干燥时间不少于20分钟；大气温度低于20℃；
(4)抛光：对喷好面漆的钣金进行抛光，贴标志处理；
(5)检验：喷漆表面要求无滑痕、平整、光滑。
2.根据权利要求1所述的电动汽车钣金喷漆工艺，其特征在于，钣金在喷漆前进行淬火处理，淬火温度为150～200℃，淬火时间为5～10秒，保证喷漆时钣金的温度为55℃。
3.根据权利要求1所述的电动汽车钣金喷漆工艺，其特征在于，所述冰醋酸浓度为4.3％。
4.根据权利要求1所述的电动汽车钣金喷漆工艺，其特征在于，所述漆料由以下重量份原料制成：环氧改性有机硅树脂85份，固体硅酮树脂30份，复合无机颜料12份，氯化石蜡6份，环氧大豆油4份，石墨粉10份，滑石粉6份，磷酸锌粉末6份，片状云母粉5份，纳米碳化硅粉6份，甲基硅油8份、钛白粉5份、羧酸3份、纯化水14份。
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CN112642681A (zh) * 2020-12-29 2021-04-13 东莞市湘华五金科技有限公司 一种机柜表面喷漆工艺

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