CN107009700A - 一种汽车后风挡玻璃的制造方法 - Google Patents

一种汽车后风挡玻璃的制造方法 Download PDF

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CN107009700A
CN107009700A CN201710177708.8A CN201710177708A CN107009700A CN 107009700 A CN107009700 A CN 107009700A CN 201710177708 A CN201710177708 A CN 201710177708A CN 107009700 A CN107009700 A CN 107009700A
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glass
inner layer
manufacture method
pvb
car
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魏芳芳
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Hefei Xieyao Glassware Co Ltd
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Hefei Xieyao Glassware Co Ltd
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    • B32B17/10376—Laminated safety glass or glazing containing metal wires
    • B32B17/10385—Laminated safety glass or glazing containing metal wires for ohmic resistance heating
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Abstract

本发明公开了一种汽车后风挡玻璃的制造方法，包括如下步骤：（1）将玻璃按照设计尺寸分别切割出内层玻璃和外层玻璃的大片；（2）修剪内层玻璃和外层玻璃，内层玻璃周边修剪的比外层玻璃略多；（3）清洁玻璃表面；（4）内层玻璃边部涂覆一周陶瓷釉；（5）内层玻璃涂覆陶瓷釉的一面朝外与外层玻璃叠加后置于烘烤模具中，内层玻璃和外层玻璃接触面平铺一层粉；（6）退火后清粉；（7）PVB拉膜；（8）内层玻璃陶瓷釉框内采用印刷方式将电热丝固着在其上；（9）合片，压制成型；出现极端气候玻璃会起雾，开启电热丝，快速除去凝结在玻璃上的水汽及结在玻璃上的冰，除雾和除霜在一定程度上提高了安全驾驶。

Description

一种汽车后风挡玻璃的制造方法
技术领域
本发明属于汽车制造领域，更具体地说，本发明涉及一种汽车后风挡玻璃的制造方法。
背景技术
汽车玻璃是汽车车身附件中必不可少的，主要起到防护作用；汽车玻璃主要有以下三类：夹层玻璃，钢化玻璃和区域钢化玻璃，能承受较强的冲击力；汽车受环境的影响较大，尤其是出现极端气候对行车的影响更大，车内外温差大时，玻璃会起雾，影响驾驶人员的视线，导致交通事故，如何在极端天气快速除去凝结在玻璃上的水汽及结在玻璃上的冰，是汽车安全行驶的基本保障。
发明内容
本发明所要解决的技术问题是提供一种快速除去凝结在玻璃上的水汽及结在玻璃上的冰的汽车后风挡玻璃的制造方法。
为了实现上述目的，本发明采取的技术方案为：所提供的一种汽车后风挡玻璃的制造方法，包括如下步骤：
（1）将玻璃按照设计尺寸分别切割出内层玻璃和外层玻璃的大片；
（2）修剪内层玻璃和外层玻璃，内层玻璃周边修剪的比外层玻璃略多，外层玻璃比内层玻璃略大；
（3）清洁玻璃表面，除去表面的灰尘、油污、杂质，然后干燥；
（4）内层玻璃边部涂覆一周陶瓷釉；
（5）内层玻璃涂覆陶瓷釉的一面朝外与外层玻璃叠加后置于烘烤模具中，内层玻璃和外层玻璃接触面平铺一层粉；
（6）退火后清粉；
（7）PVB拉膜；
（8）内层玻璃陶瓷釉框内采用印刷方式将电热丝固着在其上；
（9）合片，然后压制成型。
本发明公开的一种汽车后风挡玻璃的制造方法，内层玻璃和外层玻璃的大片较实际尺寸多30~50mm。
本发明公开的一种汽车后风挡玻璃的制造方法，步骤（5）玻璃的表面喷粉，玻璃表面平铺一层二氧化硅粉末，粉末的厚度为2mm，其中二氧化硅的直径为0.8微米。
本发明公开的一种汽车后风挡玻璃的制造方法，步骤（6）退火后清粉，退火后将平铺于玻璃表面的二氧化硅粉末清除干净。
本发明公开的一种汽车后风挡玻璃的制造方法，步骤（7）PVB拉膜，将PVB均匀加热，同时拉伸成扇形，然后均匀冷却将PVB的弯形“冻结”成永久弯形。
本发明公开的一种汽车后风挡玻璃的制造方法，步骤（9）合片，将内层玻璃和外层玻璃放入合片机上，用真空吸盘吸起上片，内层玻璃涂覆陶瓷釉的一面与PVB薄膜接触，放入PVB薄膜，放下上片玻璃，并割去多余的PVB膜片边料。
本发明公开的一种汽车后风挡玻璃的制造方法，压制成型分为初压和高压，其中初压一般采用压辊方式或减压方式玻璃与膜片初步粘合在一起，然后放入高压釜内加温加压，排除气体，使玻璃与PVB膜完全粘合，透明。
本发明公开的一种汽车后风挡玻璃的制造方法，电热丝为铜丝。
本发明公开的一种汽车后风挡玻璃的制造方法，包括如下步骤：
（1）将玻璃按照设计尺寸分别切割出内层玻璃和外层玻璃的大片，内层玻璃和外层玻璃的大片较实际尺寸多30~50mm；
（2）修剪内层玻璃和外层玻璃，内层玻璃周边修剪的比外层玻璃略多，外层玻璃比内层玻璃略大；
（3）清洁玻璃表面，除去表面的灰尘、油污、杂质，然后干燥；
（4）内层玻璃边部涂覆一周陶瓷釉；
（5）内层玻璃涂覆陶瓷釉的一面朝外与外层玻璃叠加后置于烘烤模具中，内层玻璃和外层玻璃接触面平铺一层粉，玻璃表面平铺一层二氧化硅粉末，粉末的厚度为2mm，其中二氧化硅的直径为0.8微米；
（6）退火后清粉，退火后将平铺于玻璃表面的二氧化硅粉末清除干净；
（7）PVB拉膜，将PVB均匀加热，同时拉伸成扇形，然后均匀冷却将PVB的弯形“冻结”成永久弯形；
（8）内层玻璃陶瓷釉框内采用印刷方式将电热丝固着在其上；
（9）合片，将内层玻璃和外层玻璃放入合片机上，用真空吸盘吸起上片，内层玻璃涂覆陶瓷釉的一面与PVB薄膜接触，放入PVB薄膜，放下上片玻璃，并割去多余的PVB膜片边料；然后压制成型，压制成型分为初压和高压，其中初压一般采用压辊方式或减压方式玻璃与膜片初步粘合在一起，然后放入高压釜内加温加压，排除气体，使玻璃与PVB膜完全粘合，透明；采用本发明的技术方案，制作的玻璃为夹层玻璃，这种玻璃具有高抗冲击强度，受冲击后，脆性的玻璃破碎，但由于它和有弹性的PVB相结合，使夹层玻璃具有高的抗穿透能力，仍能保持能见度；玻璃与PVB粘结力高，当玻璃破碎后，玻璃碎片仍然粘在PVB上不剥落，不伤人，同时还能够保证驾驶人员有很好的视野，保证使用这种玻璃的汽车具有高的安全性，内层玻璃边部涂覆一周陶瓷釉，避免出现光学上的畸变，从驾驶座上的任何角度观看外面的物体均不变形不眩目；内层玻璃陶瓷釉框内采用印刷方式将电热丝固着在其上，出现极端气候对行车的影响更大，车内外温差大时，玻璃会起雾，开启电热丝，快速除去凝结在玻璃上的水汽及结在玻璃上的冰，除雾和除霜在一定程度上提高了安全驾驶；采用印刷方式将电热丝固着在内层玻璃上，还可以起到天线的作用，字是网状接收的，接收的信号较现有技术竖直天线点状接收的更加清晰，这种印刷固着的加热丝，使用寿命长；电热丝为铜丝，导热效率高，保证玻璃整体的美观度；挡风玻璃采用曲面玻璃，从空气动力学的角度出发，曲面玻璃能减少涡流和紊流，从而减少空气阻力；曲面玻璃具有较高的强度，可以采用较薄的玻璃，实现了轿车轻量化。
以下将结合实施例，对本发明进行较为详细的说明。
具体实施方式
下面通过对实施例的描述，对本发明的具体实施方式如所涉及的各构件的形状、构造、各部分之间的相互位置及连接关系、各部分的作用及工作原理、制造工艺及操作使用方法等，作进一步详细的说明，以帮助本领域的技术人员对本发明的发明构思、技术方案有更完整、准确和深入的理解。
本发明一种汽车后风挡玻璃的制造方法，包括如下步骤：
（1）将玻璃按照设计尺寸分别切割出内层玻璃和外层玻璃的大片，内层玻璃和外层玻璃的大片较实际尺寸多30~50mm；
（2）修剪内层玻璃和外层玻璃，内层玻璃周边修剪的比外层玻璃略多，外层玻璃比内层玻璃略大；
（3）清洁玻璃表面，除去表面的灰尘、油污、杂质，然后干燥；
（4）内层玻璃边部涂覆一周陶瓷釉；
（5）内层玻璃涂覆陶瓷釉的一面朝外与外层玻璃叠加后置于烘烤模具中，内层玻璃和外层玻璃接触面平铺一层粉，玻璃表面平铺一层二氧化硅粉末，粉末的厚度为2mm，其中二氧化硅的直径为0.8微米；
（6）退火后清粉，退火后将平铺于玻璃表面的二氧化硅粉末清除干净；
（7）PVB拉膜，将PVB均匀加热，同时拉伸成扇形，然后均匀冷却将PVB的弯形“冻结”成永久弯形；
（8）内层玻璃陶瓷釉框内采用印刷方式将电热丝固着在其上；
（9）合片，将内层玻璃和外层玻璃放入合片机上，用真空吸盘吸起上片，内层玻璃涂覆陶瓷釉的一面与PVB薄膜接触，放入PVB薄膜，放下上片玻璃，并割去多余的PVB膜片边料；然后压制成型，压制成型分为初压和高压，其中初压一般采用压辊方式或减压方式玻璃与膜片初步粘合在一起，然后放入高压釜内加温加压，排除气体，使玻璃与PVB膜完全粘合，透明；采用本发明的技术方案，制作的玻璃为夹层玻璃，这种玻璃具有高抗冲击强度，受冲击后，脆性的玻璃破碎，但由于它和有弹性的PVB相结合，使夹层玻璃具有高的抗穿透能力，仍能保持能见度；玻璃与PVB粘结力高，当玻璃破碎后，玻璃碎片仍然粘在PVB上不剥落，不伤人，同时还能够保证驾驶人员有很好的视野，保证使用这种玻璃的汽车具有高的安全性，内层玻璃边部涂覆一周陶瓷釉，避免出现光学上的畸变，从驾驶座上的任何角度观看外面的物体均不变形不眩目；内层玻璃陶瓷釉框内采用印刷方式将电热丝固着在其上，出现极端气候对行车的影响更大，车内外温差大时，玻璃会起雾，开启电热丝，快速除去凝结在玻璃上的水汽及结在玻璃上的冰，除雾和除霜在一定程度上提高了安全驾驶；采用印刷方式将电热丝固着在内层玻璃上，还可以起到天线的作用，字是网状接收的，接收的信号较现有技术竖直天线点状接收的更加清晰，这种印刷固着的加热丝，使用寿命长；电热丝为铜丝，导热效率高，保证玻璃整体的美观度；挡风玻璃采用曲面玻璃，从空气动力学的角度出发，曲面玻璃能减少涡流和紊流，从而减少空气阻力；曲面玻璃具有较高的强度，可以采用较薄的玻璃，实现了轿车轻量化。
上面对本发明进行了示例性描述，显然本发明具体实现并不受上述方式的限制，只要采用了本发明的方法构思和技术方案进行的各种非实质性的改进，或未经改进将本发明的构思和技术方案直接应用于其它场合的，均在本发明的保护范围之内。

Claims (8)

1.一种汽车后风挡玻璃的制造方法，其特征在于：包括如下步骤：
将玻璃按照设计尺寸分别切割出内层玻璃和外层玻璃的大片；
（2）修剪内层玻璃和外层玻璃，内层玻璃周边修剪的比外层玻璃略多，外层玻璃比内层玻璃略大；
（3）清洁玻璃表面，除去表面的灰尘、油污、杂质，然后干燥；
（4）内层玻璃边部涂覆一周陶瓷釉；
（5）内层玻璃涂覆陶瓷釉的一面朝外与外层玻璃叠加后置于烘烤模具中，内层玻璃和外层玻璃接触面平铺一层粉；
（6）退火后清粉；
（7）PVB拉膜；
（8）内层玻璃陶瓷釉框内采用印刷方式将电热丝固着在其上；
（9）合片，然后压制成型。
2.按照权利要求1所述的一种汽车后风挡玻璃的制造方法，其特征在于：所述的内层玻璃和外层玻璃的大片较实际尺寸多30~50mm。
3.按照权利要求1所述的一种汽车后风挡玻璃的制造方法，其特征在于：所述的步骤（5）玻璃的表面喷粉，玻璃表面平铺一层二氧化硅粉末，粉末的厚度为2mm，其中二氧化硅的直径为0.8微米。
4.按照权利要求1所述的一种汽车后风挡玻璃的制造方法，其特征在于：所述的步骤（6）退火后清粉，退火后将平铺于玻璃表面的二氧化硅粉末清除干净。
5.按照权利要求1所述的一种汽车后风挡玻璃的制造方法，其特征在于：所述的步骤（7）PVB拉膜，将PVB均匀加热，同时拉伸成扇形，然后均匀冷却将PVB的弯形“冻结”成永久弯形。
6.按照权利要求1所述的一种汽车后风挡玻璃的制造方法，其特征在于：所述的步骤（9）合片，将内层玻璃和外层玻璃放入合片机上，用真空吸盘吸起上片，内层玻璃涂覆陶瓷釉的一面与PVB薄膜接触，放入PVB薄膜，放下上片玻璃，并割去多余的PVB膜片边料。
7.按照权利要求1所述的一种汽车后风挡玻璃的制造方法，其特征在于：所述的压制成型分为初压和高压，其中初压一般采用压辊方式或减压方式玻璃与膜片初步粘合在一起，然后放入高压釜内加温加压，排除气体，使玻璃与PVB膜完全粘合，透明。
8.按照权利要求1所述的一种汽车后风挡玻璃的制造方法，其特征在于：所述的电热丝为铜丝。
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