CN111393947A - 一种耐腐蚀车床外壳及其生产方法 - Google Patents

一种耐腐蚀车床外壳及其生产方法 Download PDF

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CN111393947A
CN111393947A CN202010211006.9A CN202010211006A CN111393947A CN 111393947 A CN111393947 A CN 111393947A CN 202010211006 A CN202010211006 A CN 202010211006A CN 111393947 A CN111393947 A CN 111393947A
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黄泗平
罗兴帮
邹雪鸿
李勇
戚彦龙
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Chongqing Shi Xinghong Accurate Mechanical Equipments Co ltd
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Abstract

本发明公开了一种耐腐蚀车床外壳,包括壳体、防护层和复合涂层,防护层包括第一层体和第二层体,第二层体贴附于壳体的外侧,第一层体贴附于壳体的内侧,复合涂层涂覆于第一层体远离壳体的一侧;防护层包括环氧树脂、钢纤维、二甲基硅油、缓凝剂、聚苯硫醚、增韧剂、无机胶凝材料、对二甲苯、调凝剂和减水剂;复合涂层包括环氧树脂、Fe2O3‑HNTs杂化材料、掺合料、间甲酚、多巴胺和外加剂。本发明还公开了耐腐蚀车床外壳的制备方法,包括壳体制备、保护层原料制备、贴附第二层体、贴附第一层体和涂覆复合涂层等步骤。利用防护层和复合涂层来保护壳体,极大地提高了车床外壳的强度和使用寿命,提升了车间的生产环境,降低噪音污染。

Description

一种耐腐蚀车床外壳及其生产方法
技术领域
本发明属于车床设备技术领域,具体地说,涉及一种耐腐蚀车床外壳及其生产方法。
背景技术
现有的车床外壳通常采用金属板材制成,壳体的内壁和外壁均涂覆有油漆作为防护。车床在工作过程中,会产生许多污渍喷洒在外壳上,高速运转的动作部件也会使碎屑不断地冲击壳体内壁,导致油漆脱落,金属板材暴露并被腐蚀,使用寿命普遍不长,而且功能也比较单一。
发明内容
针对现有技术中上述的不足,本发明提供一种耐腐蚀车床外壳及其制造方法,在壳体上设置防护层和复合涂层,提高外壳的使用寿命和降噪性能。
为了达到上述目的,本发明采用的解决方案是:一种耐腐蚀车床外壳,包括壳体、防护层和复合涂层,所述防护层包括第一层体和第二层体,所述第二层体贴附于所述壳体的外侧,所述第一层体贴附于所述壳体的内侧,所述复合涂层涂覆于所述第一层体远离所述壳体的一侧;
所述防护层包括下述重量份数的组分:环氧树脂4-6份,钢纤维1-3份,二甲基硅油0.4-0.7份,缓凝剂0.2-0.4份,聚苯硫醚0.1-0.3份,增韧剂0.5-0.8份,无机胶凝材料1-3份,对二甲苯0.2-0.3份,调凝剂0.1-0.2份,减水剂0.05-0.08份;
所述复合涂层包括下述重量份数的组分:环氧树脂2-4份,Fe2O3-HNTs杂化材料3-5份,掺合料1-3份,间甲酚0.4-0.6份,多巴胺0.2-0.5份,外加剂0.1-0.3份。
进一步地,所述壳体上分布有让位通孔,所述第一层体贯穿所述让位通孔与所述第二层体连接。
进一步地,所述无机胶凝材料为菱镁胶凝材料。
进一步地,所述外加剂包括聚羧酸高效减水剂和早强剂。
进一步地,所述聚羧酸高效减水剂和早强剂的重量比为1:2.4-3.5。
进一步地,所述掺合料为硅灰。
进一步地,所述复合涂层的原料的制备方法包括以下步骤:
S1:配制成16-50g/L的FeCl3溶液然后超声搅拌30min,将三氯化铁(FeCl3)同埃络石(HNTs)的质量比为2-3:1的埃洛石纳米管分散于去离子水中,超声搅拌20min;
S2:45℃水浴强烈搅拌下,将埃洛石纳米管悬浮液缓慢滴加到三氯化铁溶液中,搅拌10min后滴加10mL0.5%的聚乙烯醇溶液,强烈搅拌10min后加入5g尿素,继续反应30min后,升温至80度后用10%氨水调节pH至7-9后继续反应4h,将反应产物离心分离,用蒸馏水反复清洗,真空烘干,研磨,在350℃下煅烧3h,得到Fe2O3-HNTs杂化材料;
S3:将Fe2O3-HNTs杂化材料和掺合料加入有机溶剂中,搅拌混匀后超声分散30min,然后将其均匀喷涂在玻璃片上,在常温下放置30min,接着110℃烘烤3h,得到中间产物A;
S4:在搅拌下分别将4%的间甲酚溶液和6%的多巴胺溶液喷涂到中间产物A表面,紫外线照射35-45min制得中间产物B;
S5:将环氧树脂、外加剂和中间产物B按照24:1:35质量比混合,搅拌充分后制得复合涂层原料。
进一步地,步骤S3中所述有机溶剂为对二甲苯和丙酮以体积比为3:1的混合物。
进一步地,步骤S3中所述Fe2O3-HNTs杂化材料与所述掺合料的质量比为2.5:1。
本发明还提供了耐腐蚀车床外壳的制作方法,包括以下步骤:
(1)壳体制备:根据图纸将金属板材冲压成型即得壳体,然后在壳体上钻设让位通孔,用清水将所述壳体表面清洗干净并烘干;
(2)保护层原料制备:将环氧树脂、钢纤维、二甲基硅油、缓凝剂、聚苯硫醚和增韧剂按比例混合并搅拌均匀,保持20-25℃温度下静置40-50min,然后按比例加入无机胶凝材料、对二甲苯、调凝剂和减水剂并搅拌均匀,保持20-25℃环境温度下静置20-35min制得保护层原料;
(3)贴附第二层体:将所述保护层原料均匀涂抹到壳体的外侧,用40-50℃的热气流将保护层原料烘干,使保护层原料贴附在壳体的外侧;
(4)贴附第一层体:将所述保护层原料均匀涂抹到壳体的内侧,在40-50℃的环境温度下静置5-7min,使保护层原料贴附在壳体的内侧;
(5)涂覆复合涂层:将复合涂层原料均匀涂抹到第一层体远离所述壳体的一侧,在30-40℃的环境温度下静置1.5-2h即得成品。
本发明的有益效果是:
(1)防护层中环氧树脂配合聚苯硫醚、二甲基硅油和对二甲苯,具有很好粘合性能,便于粘附壳体和复合涂层,环氧树脂中加入增韧剂和无机胶凝材料,并以钢纤维为骨架,使防护层具有很强的结构强度,此外,发明人在长期的实际工作中发现,调凝剂和减水剂配合聚苯硫醚和环氧树脂,使防护层具有很好致密性,避免金属材质的壳体暴露出来被腐蚀;
(2)对于复合涂层,Fe2O3-HNTs杂化材料中,埃洛石表面附着一层三氧化二铁,可以降低HNTs的聚合度,提升埃洛石纳米管内的空间大小,同时使埃洛石具有很好的耐磨耐冲击性能,在污渍和碎屑持续的撞击下不会破裂脱落,而且埃洛石内部含有大量孔洞,复合涂层不仅重量轻,而且可以吸收噪音,外壳功能多样,极大地提升了车间的生产环境,降低噪音污染;
(3)复合涂层中HNTs可以提高环氧树脂热稳定性和弯曲强度,提高涂层稳定性和结构强度,另一方面,环氧树脂则可以降低HNTs聚合度,提升埃洛石的降噪性能。
附图说明
图1为本发明的结构示意图;
附图中:1-壳体,2-第一层体,3-第二层体,4-让位通孔,5-复合涂层。
具体实施方式
以下结合附图对本发明作进一步描述:
本实施例提供一种耐腐蚀车床外壳,如图1所示,包括壳体1、防护层和复合涂层5,防护层包括第一层体2和第二层体3,第二层体3贴附于壳体1的外侧,第一层体2贴附于壳体1的内侧,复合涂层5涂覆于第一层体2远离壳体1的一侧。为了提高防护层与壳体1之间的连接稳固性,壳体1上分布有让位通孔4,第一层体2贯穿让位通孔4与第二层体3连接。
其中,复合涂层5的原料的制备方法包括以下步骤:
S1:配制成16-50g/L的FeCl3溶液然后超声搅拌30min,将三氯化铁(FeCl3)同埃络石(HNTs)的质量比为2-3:1的埃洛石纳米管分散于去离子水中,超声搅拌20min;
S2:45℃水浴强烈搅拌下,将埃洛石纳米管悬浮液缓慢滴加到三氯化铁溶液中,搅拌10min后滴加10mL0.5%的聚乙烯醇溶液,强烈搅拌10min后加入5g尿素,继续反应30min后,升温至80度后用10%氨水调节pH至7-9后继续反应4h,将反应产物离心分离,用蒸馏水反复清洗,真空烘干,研磨,在350℃下煅烧3h,得到Fe2O3-HNTs杂化材料;
S3:将Fe2O3-HNTs杂化材料和掺合料加入有机溶剂中,其中有机溶剂为对二甲苯和丙酮以体积比为3:1的混合物,Fe2O3-HNTs杂化材料与掺合料的质量比为2.5:1,搅拌混匀后超声分散30min,然后将其均匀喷涂在玻璃片上,在常温下放置30min,接着110℃烘烤3h,得到中间产物A;
S4:在搅拌下分别将4%的间甲酚溶液和6%的多巴胺溶液喷涂到中间产物A表面,紫外线照射35-45min制得中间产物B;
S5:将环氧树脂、外加剂和中间产物B按照24:1:35质量比混合,搅拌充分后制得复合涂层5原料。
本实施例还提供了耐腐蚀车床外壳的制作方法,包括以下步骤:
(1)壳体1制备:根据图纸将金属板材冲压成型即得壳体1,然后在壳体1上钻设让位通孔4,用清水将壳体1表面清洗干净并烘干;
(2)保护层原料制备:将环氧树脂、钢纤维、二甲基硅油、缓凝剂、聚苯硫醚和增韧剂按比例混合并搅拌均匀,保持20-25℃温度下静置40-50min,然后按比例加入无机胶凝材料、对二甲苯、调凝剂和减水剂并搅拌均匀,保持20-25℃环境温度下静置20-35min制得保护层原料;
(3)贴附第二层体3:将保护层原料均匀涂抹到壳体1的外侧,用40-50℃的热气流将保护层原料烘干,使保护层原料贴附在壳体1的外侧;
(4)贴附第一层体2:将保护层原料均匀涂抹到壳体1的内侧,在40-50℃的环境温度下静置5-7min(通常放置与恒温箱内),使保护层原料贴附在壳体1的内侧;
(5)涂覆复合涂层5:将复合涂层5原料均匀涂抹到第一层体2远离壳体1的一侧,在30-40℃的环境温度下静置1.5-2h即得成品。可以根据实际需要进行开设观察窗和安装孔等操作。
实施例:
根据上述制备方法,生产制备了样品进行测试,各个样品防护层和复合涂层5组分的重量份数如下所示:
样品A:
防护层中环氧树脂4份,钢纤维3份,二甲基硅油0.7份,缓凝剂0.2份,聚苯硫醚0.3份,增韧剂0.8份,菱镁胶凝材料3份,对二甲苯0.2份,调凝剂0.1份,减水剂0.08份。复合涂层5中环氧树脂4份,Fe2O3-HNTs杂化材料5份,硅灰2份,间甲酚0.6份,多巴胺0.4份,外加剂0.2份。其中,外加剂中聚羧酸高效减水剂和早强剂的重量比为1:2.4。
样品B:
防护层中环氧树脂6份,钢纤维1份,二甲基硅油0.4份,缓凝剂0.4份,聚苯硫醚0.1份,增韧剂0.5份,菱镁胶凝材料1份,对二甲苯0.3份,调凝剂0.2份,减水剂0.07份。复合涂层5中环氧树脂3份,Fe2O3-HNTs杂化材料4份,硅灰1份,间甲酚0.4份,多巴胺0.5份,外加剂0.1份。其中,外加剂中聚羧酸高效减水剂和早强剂的重量比为1:3.5。
样品C:
防护层中环氧树脂5份,钢纤维2份,二甲基硅油0.5份,缓凝剂0.3份,聚苯硫醚0.2份,增韧剂0.6份,菱镁胶凝材料2份,对二甲苯0.25份,调凝剂0.15份,减水剂0.08份。复合涂层5中环氧树脂2份,Fe2O3-HNTs杂化材料3份,硅灰3份,间甲酚0.5份,多巴胺0.2份,外加剂0.3份。其中,外加剂中聚羧酸高效减水剂和早强剂的重量比为1:3。
利用水泵将混合有杂质的水流高速冲击样品内侧,在控制其他条件(如外壳面积,水流速度,水中杂质含量等)完全相同的情况下,将上述样品与普通刷有油漆涂层的外壳进行对比实验。经过相同的36小时测试后,测量外壳表面金属壳体暴露面积的比例。
此外,实验人员利用上述样品和普通外壳分别搭建了封闭的测试盒,各个盒体的尺寸等其他参数完全相同,然后在各个盒体内放置声源,以产生相同大小的噪音,在盒体外测量声音的大小(环境中无其他声源),实验结果如下:
Figure BDA0002422806270000071
从上述实验结果可以看出,与现有的普通车床外壳相比,各个样品耐磨耐冲击的性能显著提升,降噪效果也有明显的进步,具有实质地进步。
以上所述实施例仅表达了本发明的具体实施方式,其描述较为具体和详细,但并不能因此而理解为对本发明专利范围的限制。应当指出的是,对于本领域的普通技术人员来说,在不脱离本发明构思的前提下,还可以做出若干变形和改进,这些都属于本发明的保护范围。

Claims (10)

1.一种耐腐蚀车床外壳,其特征是:包括壳体、防护层和复合涂层,所述防护层包括第一层体和第二层体,所述第二层体贴附于所述壳体的外侧,所述第一层体贴附于所述壳体的内侧,所述复合涂层涂覆于所述第一层体远离所述壳体的一侧;
所述防护层包括下述重量份数的组分:环氧树脂4-6份,钢纤维1-3份,二甲基硅油0.4-0.7份,缓凝剂0.2-0.4份,聚苯硫醚0.1-0.3份,增韧剂0.5-0.8份,无机胶凝材料1-3份,对二甲苯0.2-0.3份,调凝剂0.1-0.2份,减水剂0.05-0.08份;
所述复合涂层包括下述重量份数的组分:环氧树脂2-4份,Fe2O3-HNTs杂化材料3-5份,掺合料1-3份,间甲酚0.4-0.6份,多巴胺0.2-0.5份,外加剂0.1-0.3份。
2.根据权利要求1所述的耐腐蚀车床外壳,其特征是:所述壳体上分布有让位通孔,所述第一层体贯穿所述让位通孔与所述第二层体连接。
3.根据权利要求1所述的耐腐蚀车床外壳,其特征是:所述无机胶凝材料为菱镁胶凝材料。
4.根据权利要求2所述的耐腐蚀车床外壳,其特征是:所述外加剂包括聚羧酸高效减水剂和早强剂。
5.根据权利要求4所述的耐腐蚀车床外壳,其特征是:所述聚羧酸高效减水剂和早强剂的重量比为1:2.4-3.5。
6.根据权利要求5所述的耐腐蚀车床外壳,其特征是:所述掺合料为硅灰。
7.根据权利要求6所述的耐腐蚀车床外壳,其特征是:所述复合涂层的原料的制备方法包括以下步骤:
S1:配制成16-50g/L的FeCl3溶液然后超声搅拌30min,将三氯化铁(FeCl3)同埃络石(HNTs)的质量比为2-3:1的埃洛石纳米管分散于去离子水中,超声搅拌20min;
S2:45℃水浴强烈搅拌下,将埃洛石纳米管悬浮液缓慢滴加到三氯化铁溶液中,搅拌10min后滴加10mL0.5%的聚乙烯醇溶液,强烈搅拌10min后加入5g尿素,继续反应30min后,升温至80度后用10%氨水调节pH至7-9后继续反应4h,将反应产物离心分离,用蒸馏水反复清洗,真空烘干,研磨,在350℃下煅烧3h,得到Fe2O3-HNTs杂化材料;
S3:将Fe2O3-HNTs杂化材料和掺合料加入有机溶剂中,搅拌混匀后超声分散30min,然后将其均匀喷涂在玻璃片上,在常温下放置30min,接着110℃烘烤3h,得到中间产物A;
S4:在搅拌下分别将4%的间甲酚溶液和6%的多巴胺溶液喷涂到中间产物A表面,紫外线照射35-45min制得中间产物B;
S5:将环氧树脂、外加剂和中间产物B按照24:1:35质量比混合,搅拌充分后制得复合涂层原料。
8.根据权利要求7所述的耐腐蚀车床外壳,其特征是:步骤S3中所述有机溶剂为对二甲苯和丙酮以体积比为3:1的混合物。
9.根据权利要求7所述的耐腐蚀车床外壳,其特征是:步骤S3中所述Fe2O3-HNTs杂化材料与所述掺合料的质量比为2.5:1。
10.根据权利要求7所述的耐腐蚀车床外壳的制作方法,其特征是:包括以下步骤:
(1)壳体制备:根据图纸将金属板材冲压成型即得壳体,然后在壳体上钻设让位通孔,用清水将所述壳体表面清洗干净并烘干;
(2)保护层原料制备:将环氧树脂、钢纤维、二甲基硅油、缓凝剂、聚苯硫醚和增韧剂按比例混合并搅拌均匀,保持20-25℃温度下静置40-50min,然后按比例加入无机胶凝材料、对二甲苯、调凝剂和减水剂并搅拌均匀,保持20-25℃环境温度下静置20-35min制得保护层原料;
(3)贴附第二层体:将所述保护层原料均匀涂抹到壳体的外侧,用40-50℃的热气流将保护层原料烘干,使保护层原料贴附在壳体的外侧;
(4)贴附第一层体:将所述保护层原料均匀涂抹到壳体的内侧,在40-50℃的环境温度下静置5-7min,使保护层原料贴附在壳体的内侧;
(5)涂覆复合涂层:将复合涂层原料均匀涂抹到第一层体远离所述壳体的一侧,在30-40℃的环境温度下静置1.5-2h即得成品。
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