CN115156006A - 一种护栏表面喷塑工艺 - Google Patents
一种护栏表面喷塑工艺 Download PDFInfo
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Abstract
本发明公开了一种护栏表面喷塑工艺，包括表面预处理、喷底漆、喷表层、喷表面、加强固化和，检测、包装入库。本发明得到的金属护栏表面既美观又有质感，能够满足更多场合的使用需求，表层具有较好的防腐效果，不会产生有毒物质，不污染环境，环保性能好，通过喷涂固化和高温固化使得喷涂得到的涂层牢靠，不易脱落，具有低气味、低挥发残留、低毒性、低运行成本、提高品质、减少所需储存空间、清洁高效、低气味、低挥发残留、低毒性、无溶剂、节约能源以及提高零件寿命的优点，且操作方便，操作步骤少，具有较强的适用性，具有更为显著的安全和实用性。
Description
技术领域
本发明涉及护栏制造领域，特别涉及一种护栏表面喷塑工艺。
背景技术
护栏是一种多用于住宅、公路、商业区或公共场所的设施，主要用于对人身安全或设备设施进行保护与防护，是现代社会中的一种常见设施，可以根据使用需要和使用场地，适用不同高度或长度的护栏。
现有的护栏大多都是金属材质，且都是固定安装在户外，长期受到日晒雨淋，极易产生锈蚀，影响护栏的使用寿命的防护效果，容易产生安全隐患，为此，在护栏生产制造时，需要对护栏的外表面进行喷塑作业，对护栏的外表面形成包裹，避免金属直接暴露在空气中，降低金属的锈蚀程度，但现有的喷涂工艺，环保性能差，涂层结合性能差，容易脱落。
发明内容
本发明要解决的技术问题是克服现有技术的缺陷，提供一种护栏表面喷塑工艺。
为了解决上述技术问题，本发明提供了如下的技术方案：
本发明一种护栏表面喷塑工艺，具体包括如下步骤：
a.表面预处理，对金属护栏的表面进行除尘，将干净的金属护栏用清水冲洗干净，冲洗时间为2-3分钟，在室外进行干燥，干燥后的金属护栏通过金属表面处理液处理，在通过清水进行二次处理；
b.喷底漆，利用静电发生器通过喷枪枪口的电击针向金属护栏方向释放高压静电，依靠静电场在金属护栏的表面形成底层，将喷完底漆的金属护栏放在固化炉中进行固化；
c.喷表层，利用静电粉末喷涂设备将喷涂材料喷涂在待喷塑金属护栏表面，喷涂厚度为16-26mm，将喷涂完成后的金属护栏放在固化炉中进行固化；
d.喷表面，在利用静电粉末喷涂设备将安全护栏的表面喷涂含有40-75%的长余辉自发光材料，在利用静电粉末喷涂设备在自发光材料的最外层喷涂UV固化或者EB固化涂料；
e.加强固化，将经过固化的金属护栏放在固化炉中进行固化，烘烤3-5min后通过紫外光固化；
f.检测、包装入库。
作为本发明的一种优选技术方案，所述步骤a中除尘用0.6-0.8MPa的压缩空气对金属护栏的表面的灰尘进行除尘处理，金属表面处理液剂包括以下重量计组分：碳酸钠2-8份、磷酸8-15份、硫酸化物5-10份、硝酸钠0.2-0.8份、氧基三氯化钒1-3份、柠檬酸4-9份，氢氟酸铵1-2.8份和高锰酸钾0.4-0.8份。
作为本发明的一种优选技术方案，所述静电粉末喷涂设备控制静电电压为50-90KV，静电电流为8-18uA，流速压力为0.28-0.58Mpa，雾化压力为0.26-3.2Mpa，喷枪口距离工件距离为120-350mm。
作为本发明的一种优选技术方案，所述固化炉的固化温度为60-180℃，固化时间为10-20min，保温温度为30-60℃，保温时间为10-20min。
作为本发明的一种优选技术方案，所述喷涂材料包括以下质量计组分：丙烯酸粉末20-30份、聚酯粉末10-12份、乳化剂5-10份、硬脂酸18-32份、聚硅氧烷18-32份和抗黄树脂3-10份。
作为本发明的一种优选技术方案，所述步骤e中的紫外光固化能量为600-1300mj/cm，且金属护栏在固化后，需保温，在进行烘烤。
作为本发明的一种优选技术方案，所述在除尘之前，还需要对金属护栏进行检验，以剔除有质量缺陷的金属护栏。
与现有技术相比，本发明的有益效果如下：
本发明得到的金属护栏表面既美观又有质感，能够满足更多场合的使用需求，表层具有较好的防腐效果，不会产生有毒物质，不污染环境，环保性能好，通过喷涂固化和高温固化使得喷涂得到的涂层牢靠，不易脱落，具有低气味、低挥发残留、低毒性、低运行成本、提高品质、减少所需储存空间、清洁高效、低气味、低挥发残留、低毒性、无溶剂、节约能源以及提高零件寿命的优点，且操作方便，操作步骤少，具有较强的适用性，具有更为显著的安全和实用性。
具体实施方式
以下本发明的优选实施例进行说明，应当理解，此处所描述的优选实施例仅用于说明和解释本发明，并不用于限定本发明。
实施例1
本发明提供一种护栏表面喷塑工艺，具体包括如下步骤：
a.表面预处理，在除尘之前，还需要对金属护栏进行检验，以剔除有质量缺陷的金属护栏，对金属护栏的表面进行除尘，除尘用0.6MPa的压缩空气对金属护栏的表面的灰尘进行除尘处理，将干净的金属护栏用清水冲洗干净，冲洗时间为2分钟，在室外进行干燥，干燥后的金属护栏通过金属表面处理液处理，金属表面处理液剂包括以下重量计组分：碳酸钠2份、磷酸8份、硫酸化物5份、硝酸钠0.2份、氧基三氯化钒1份、柠檬酸4份，氢氟酸铵1份和高锰酸钾0.4份，在通过清水进行二次处理；
b.喷底漆，利用静电发生器通过喷枪枪口的电击针向金属护栏方向释放高压静电，控制静电电压为50KV，静电电流为8uA，流速压力为0.288Mpa，雾化压力为0.26Mpa，喷枪口距离工件距离为120mm，依靠静电场在金属护栏的表面形成底层，将喷完底漆的金属护栏放在固化炉中进行固化，固化炉的固化温度为60℃，固化时间为10min；
c.喷表层，利用静电粉末喷涂设备将喷涂材料喷涂在待喷塑金属护栏表面，喷涂材料包括以下质量计组分：丙烯酸粉末20份、聚酯粉末10份、乳化剂5份、硬脂酸18份、聚硅氧烷18份和抗黄树脂3份，喷涂厚度为16mm，将喷涂完成后的金属护栏放在固化炉中进行固化，固化炉的固化温度为80℃，固化时间为18min；
d.喷表面，在利用静电粉末喷涂设备将安全护栏的表面喷涂含有50%的长余辉自发光材料，在利用静电粉末喷涂设备在自发光材料的最外层喷涂UV固化；
e.加强固化，将经过固化的金属护栏放在固化炉中进行固化，固化炉的固化温度为80℃，固化时间为15min，保温温度为45℃，保温时间为12min，烘烤3min后通过紫外光固化，紫外光固化能量为700mj/cm；
f.检测、包装入库。
实施例2
本发明提供一种护栏表面喷塑工艺，具体包括如下步骤：
a.表面预处理，在除尘之前，还需要对金属护栏进行检验，以剔除有质量缺陷的金属护栏，对金属护栏的表面进行除尘，除尘用0.7MPa的压缩空气对金属护栏的表面的灰尘进行除尘处理，将干净的金属护栏用清水冲洗干净，冲洗时间为3分钟，在室外进行干燥，干燥后的金属护栏通过金属表面处理液处理，金属表面处理液剂包括以下重量计组分：碳酸钠6份、磷酸12份、硫酸化物8份、硝酸钠0.6份、氧基三氯化钒2份、柠檬酸6份，氢氟酸铵1.9份和高锰酸钾0.5份，在通过清水进行二次处理；
b.喷底漆，利用静电发生器通过喷枪枪口的电击针向金属护栏方向释放高压静电，控制静电电压为65KV，静电电流为12uA，流速压力为0.58Mpa，雾化压力为2.6Mpa，喷枪口距离工件距离为260mm，依靠静电场在金属护栏的表面形成底层，将喷完底漆的金属护栏放在固化炉中进行固化，固化炉的固化温度为120℃，固化时间为16min；
c.喷表层，利用静电粉末喷涂设备将喷涂材料喷涂在待喷塑金属护栏表面，喷涂材料包括以下质量计组分：丙烯酸粉末15份、聚酯粉末11份、乳化剂6份、硬脂酸22份、聚硅氧烷26份和抗黄树脂7份，喷涂厚度为22mm，将喷涂完成后的金属护栏放在固化炉中进行固化，固化炉的固化温度为160℃，固化时间为16min；
d.喷表面，在利用静电粉末喷涂设备将安全护栏的表面喷涂含有68%的长余辉自发光材料，在利用静电粉末喷涂设备在自发光材料的最外层喷涂EB固化涂料；
e.加强固化，将经过固化的金属护栏放在固化炉中进行固化，固化炉的固化温度为160℃，固化时间为16min，保温温度为45℃，保温时间为12min，烘烤4min后通过紫外光固化，紫外光固化能量为800mj/cm；
f.检测、包装入库。
实施例3
本发明提供一种护栏表面喷塑工艺，具体包括如下步骤：
a.表面预处理，在除尘之前，还需要对金属护栏进行检验，以剔除有质量缺陷的金属护栏，对金属护栏的表面进行除尘，除尘用0.8MPa的压缩空气对金属护栏的表面的灰尘进行除尘处理，将干净的金属护栏用清水冲洗干净，冲洗时间为3分钟，在室外进行干燥，干燥后的金属护栏通过金属表面处理液处理，金属表面处理液剂包括以下重量计组分：碳酸钠8份、磷酸15份、硫酸化物10份、硝酸钠0.8份、氧基三氯化钒3份、柠檬酸4-9份，氢氟酸铵2.8份和高锰酸钾0.8份，在通过清水进行二次处理；
b.喷底漆，利用静电发生器通过喷枪枪口的电击针向金属护栏方向释放高压静电，控制静电电压为90KV，静电电流为18uA，流速压力为0.58Mpa，雾化压力为3.2Mpa，喷枪口距离工件距离为350mm，依靠静电场在金属护栏的表面形成底层，将喷完底漆的金属护栏放在固化炉中进行固化，固化炉的固化温度为180℃，固化时间为10min；
c.喷表层，利用静电粉末喷涂设备将喷涂材料喷涂在待喷塑金属护栏表面，喷涂材料包括以下质量计组分：丙烯酸粉末30份、聚酯粉末12份、乳化剂10份、硬脂酸32份、聚硅氧烷32份和抗黄树脂10份，喷涂厚度为26mm，将喷涂完成后的金属护栏放在固化炉中进行固化，固化炉的固化温度为180℃，固化时间为10min；
d.喷表面，在利用静电粉末喷涂设备将安全护栏的表面喷涂含有75%的长余辉自发光材料，在利用静电粉末喷涂设备在自发光材料的最外层喷涂UV固化涂料；
e.加强固化，将经过固化的金属护栏放在固化炉中进行固化，固化炉的固化温度为180℃，固化时间为10min，保温温度为60℃，保温时间为10min，烘烤3min后通过紫外光固化，紫外光固化能量为1300mj/cm；
f.检测、包装入库。
本发明得到的金属护栏表面既美观又有质感，能够满足更多场合的使用需求，表层具有较好的防腐效果，不会产生有毒物质，不污染环境，环保性能好，通过喷涂固化和高温固化使得喷涂得到的涂层牢靠，不易脱落，具有低气味、低挥发残留、低毒性、低运行成本、提高品质、减少所需储存空间、清洁高效、低气味、低挥发残留、低毒性、无溶剂、节约能源以及提高零件寿命的优点，且操作方便，操作步骤少，具有较强的适用性，具有更为显著的安全和实用性。
最后应说明的是：以上所述仅为本发明的优选实施例而已，并不用于限制本发明，尽管参照前述实施例对本发明进行了详细的说明，对于本领域的技术人员来说，其依然可以对前述各实施例所记载的技术方案进行修改，或者对其中部分技术特征进行等同替换。凡在本发明的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本发明的保护范围之内。
Claims (7)
1.一种护栏表面喷塑工艺，其特征在于，所述具体包括如下步骤：
a.表面预处理，对金属护栏的表面进行除尘，将干净的金属护栏用清水冲洗干净，冲洗时间为2-3分钟，在室外进行干燥，干燥后的金属护栏通过金属表面处理液处理，在通过清水进行二次处理；
b.喷底漆，利用静电发生器通过喷枪枪口的电击针向金属护栏方向释放高压静电，依靠静电场在金属护栏的表面形成底层，将喷完底漆的金属护栏放在固化炉中进行固化；
c.喷表层，利用静电粉末喷涂设备将喷涂材料喷涂在待喷塑金属护栏表面，喷涂厚度为16-26mm，将喷涂完成后的金属护栏放在固化炉中进行固化；
d.喷表面，在利用静电粉末喷涂设备将安全护栏的表面喷涂含有40-75%的长余辉自发光材料，在利用静电粉末喷涂设备在自发光材料的最外层喷涂UV固化或者EB固化涂料；
e.加强固化，将经过固化的金属护栏放在固化炉中进行固化，烘烤3-5min后通过紫外光固化；
f.检测、包装入库。
2.根据权利要求1所述的一种护栏表面喷塑工艺，其特征在于，所述步骤a中除尘用0.6-0.8MPa的压缩空气对金属护栏的表面的灰尘进行除尘处理，金属表面处理液剂包括以下重量计组分：碳酸钠2-8份、磷酸8-15份、硫酸化物5-10份、硝酸钠0.2-0.8份、氧基三氯化钒1-3份、柠檬酸4-9份，氢氟酸铵1-2.8份和高锰酸钾0.4-0.8份。
3.根据权利要求1所述的一种护栏表面喷塑工艺，其特征在于，所述静电粉末喷涂设备控制静电电压为50-90KV，静电电流为8-18uA，流速压力为0.28-0.58Mpa，雾化压力为0.26-3.2Mpa，喷枪口距离工件距离为120-350mm。
4.根据权利要求1所述的一种护栏表面喷塑工艺，其特征在于，所述固化炉的固化温度为60-180℃，固化时间为10-20min，保温温度为30-60℃，保温时间为10-20min。
5.根据权利要求1所述的一种护栏表面喷塑工艺，其特征在于，所述喷涂材料包括以下质量计组分：丙烯酸粉末20-30份、聚酯粉末10-12份、乳化剂5-10份、硬脂酸18-32份、聚硅氧烷18-32份和抗黄树脂3-10份。
6.根据权利要求1所述的一种护栏表面喷塑工艺，其特征在于，所述步骤e中的紫外光固化能量为600-1300mj/cm，且金属护栏在固化后，需保温，在进行烘烤。
7.根据权利要求1所述的一种护栏表面喷塑工艺，其特征在于，所述在除尘之前，还需要对金属护栏进行检验，以剔除有质量缺陷的金属护栏。
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| CN104741300A (zh) * | 2013-12-29 | 2015-07-01 | 董林祥 | 道路安全护栏的喷塑工艺 |
| CN108607797A (zh) * | 2016-12-05 | 2018-10-02 | 黄发金 | 一种铝合金型材的表面喷塑工艺 |
| CN114029213A (zh) * | 2021-10-20 | 2022-02-11 | 杭州丰岚实业有限公司 | 一种金属表面节能环保静电喷塑工艺 |
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| CN108607797A (zh) * | 2016-12-05 | 2018-10-02 | 黄发金 | 一种铝合金型材的表面喷塑工艺 |
| CN114029213A (zh) * | 2021-10-20 | 2022-02-11 | 杭州丰岚实业有限公司 | 一种金属表面节能环保静电喷塑工艺 |
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