CN111550446A - 一种潜水泵及其制造方法 - Google Patents
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Abstract
本发明公开了一种潜水泵,包括壳体及设置在所述壳体内的电机及叶轮;所述的壳体由上至下包括依次连接的上壳体、筒体、连接盘及下壳体,所述的下壳体上带有进水口、出水口及通进水口与出水口相通且用于安置叶轮的泵腔;所述的上壳体、连接盘及下壳体的均由耐腐蚀塑料注塑成型的塑料件,所述的筒体为不锈钢材质;所述的塑料件制造选用的原材料包括基体塑料、辅助填料、功能助剂与塑料合金。
Description
技术领域
本发明属于潜水泵技术领域,特指潜水泵及其制造方法。
背景技术
传统的潜水泵其带泵腔的下壳体为金属材质,其重量大且制造成本高,从而不利于企业的生产;且金属材质的泵腔内壁在海水或其他具备腐蚀性的污水中使用,则极易被腐蚀,从而降低了潜水泵的使用范围及使用寿命。
发明内容
针对现有技术存在的不足,本发明的目的在于提供一种质量轻、制造成本低、且耐腐蚀的潜水泵及其制造方法。
为实现上述目的,本发明提供了如下技术方案:一种潜水泵,包括壳体及设置在所述壳体内的电机及叶轮;所述的壳体由上至下包括依次连接的上壳体、筒体、连接盘及下壳体,所述的下壳体上带有进水口、出水口及通进水口与出水口相通且用于安置叶轮的泵腔;所述的上壳体、连接盘及下壳体的均由耐腐蚀塑料注塑成型的塑料件,所述的筒体为不锈钢材质。
通过上壳体、连接盘及下壳体的均由耐腐蚀塑料注塑成型的塑料件,从而能大大降低潜水泵整体的重量及生产成本;且耐腐蚀塑料材质的塑料件能确保潜水泵能在海水或具备腐蚀性的污水中使用,从而扩大了潜水泵的使用范围。
一种潜水泵的制造方法,所述的塑料件的制造工艺包括,
S1、选料:选用的原材料包括基体塑料、辅助填料、功能助剂与塑料合金;
S2、母料颗粒制造:将经步骤S2后的原材料放入搅拌釜中加热混合与搅拌,后得熔融状态的混合物,熔融状态的混合物再经过造粒机塑化、挤出等处理过程加工成母料颗粒,加工成的母料颗粒经称重分装后进行存储;
S3、注塑成型:将母料颗粒放入螺杆式注塑机的料筒中进行注塑成型,根据不同的注塑模具注塑出不同部位的塑料件。
先将原材料放入搅拌釜中加热混合与搅拌,后得熔融状态的混合物,后经过造粒机塑化、加工成母料颗粒;从而能确保在注塑成型前原材料已经进行充分的混合;从而降低由于混合不均匀而照成生产出的次品的情况。
本发明进一步设置为:所述的基体塑料选用PA66+GF20,所述的功能助剂为阻燃剂、抗静电剂、耐磨剂、耐候剂、热稳定剂、耐腐蚀剂、抗菌剂中的一种或几种。
基体塑料选用尼龙PA66能确保潜水泵的耐酸、碱、大多数无机盐水溶液、卤代烷、烃类、酯类、酮类等腐蚀,从而使得潜水泵能在还说或其他具备腐蚀性的污水中使用;能确保潜水泵中塑料件的耐磨性、自润滑性,电绝缘性,耐疲劳性,机械强度及耐油和耐燃料等性能。添加阻燃剂、抗静电剂、耐磨剂、耐候剂、热稳定剂、耐腐蚀剂、抗菌剂等功能助剂能进一步完善水泵的性能。
本发明进一步设置为:所示的合金塑料主要由PC、PBT、PET、ABS、相容剂以及抗氧剂为原料制成;其中,所述PC、PBT、PET及ABS重量比为6:2:3∶1,所述相容剂的添加量为所述PC、PBT、PET及ABS总重量的11%,所述抗氧剂的添加量为所述PC、PBT、PET及ABS总重量的4%;所述相容剂为马来酸酐接枝POE,所述抗氧剂为抗氧剂1010。PC、PBT、PET、ABS、相容剂以及抗氧剂合成经过250~350℃高温挤出造粒,后通过注塑机模具压注成型;上述PC、PBT、PET、ABS首先合成成为PC/PBT、PC/ABS、PC/PET工程塑料,其次在上述基础上添加相容剂以及抗氧剂合成为合金塑料。
通过了添加上述材质的合金塑料使得潜水泵具有特强的抗氧化性能,耐腐蚀性,有较高的机械强度,并具有不老化,无毒素分解,耐酸碱,耐热耐候性,尺寸稳定性和抗冲击性能极强,耐高温抗寒冷,适应各种恶劣环境。
本发明进一步设置为:所述步骤S2中选用的原材料包括辅助填料;所述的母料颗粒按质量计有以下组分组成,基体塑料80-105份、辅助填料40-50份、功能助剂5-30份、合金塑料30-40份。
本发明进一步设置为:所述的辅助填料由氟橡胶粉末、间苯二甲酸酯和乙二醇组出;所述的辅助填料按质量计有以下组分组成,氟橡胶粉末10-30份、间苯二甲酸20-40份。
氟橡胶具有高度的化学稳定性,弹性高,有极好的耐老化性能和电绝缘性能高;邻苯二甲酸二甲酯有良好的成膜性、粘着性和防水性,作为一种增塑剂,可以使其柔韧性增强,容易加工。
本发明进一步设置为:在经所述步骤S3注塑成型的塑料件的外表面涂抹有防腐层,所述的防腐层由环氧煤沥青、过氯乙烯树脂、云母粉和二氧化硅为原料制成,所述原料的重量比为,环氧煤沥青20-40份、过氯乙烯树脂15-20份、3-6云母粉、二氧化硅4-6份。
环氧煤沥青俗称水柏油,具有优异的电绝缘性、抗杂散电流和耐热等优良性能;过氯乙烯树脂良好的电绝缘性、耐腐蚀和阻燃性能好;云母粉可提高涂层的抗渗性、耐磨性和物理机械强度;二氧化硅可作为一种触变剂,使涂层在涂抹过程中有较低的黏度,以易于施工。
附图说明
图1是本发明的结构示意图;
附图中标记及相应的部件名称:1-上壳体、2-筒体、3-连接盘、4-下壳体。
具体实施方式
下面对本发明的实施例作详细说明。
实施例1
一种潜水泵,包括壳体及设置在所述壳体内的电机及叶轮,其特征是:所述的壳体由上至下包括依次连接的上壳体1、筒体2、连接盘3及下壳体4,所述的下壳体4上带有进水口与出水口;所述的上壳体1、连接盘3及下壳体4的均由耐腐蚀塑料注塑成型的塑料件,所述的筒体2为不锈钢材质。
所述的塑料件的制造工艺包括,
S1、选料:选用的原材料包括基体塑料80份、辅助填料40份、功能助剂5、合金塑料30份;
其中辅助填料由氟橡胶粉末20份与间苯二甲酸酯30份;
S2、母料颗粒制造:将经步骤S2后的原材料放入搅拌釜中加热混合与搅拌,后得熔融状态的混合物,熔融状态的混合物再经过造粒机塑化、挤出等处理过程加工成母料颗粒,加工成的母料颗粒经称重分装后进行存储;
S3、注塑成型:将母料颗粒放入螺杆式注塑机的料筒中进行注塑成型,根据不同的注塑模具注塑出不同部位的塑料件。
在经所述步骤S3注塑成型的塑料件的外表面涂抹有防腐层,所述的防腐层由环氧煤沥青、过氯乙烯树脂、云母粉和二氧化硅为原料制成,所述原料的重量比为,环氧煤沥青20份、过氯乙烯树脂15份、3云母粉、二氧化硅4份。
实施例2
一种潜水泵,包括壳体及设置在所述壳体内的电机及叶轮,其特征是:所述的壳体由上至下包括依次连接的上壳体1、筒体2、连接盘3及下壳体4,所述的下壳体4上带有进水口与出水口;所述的上壳体1、连接盘3及下壳体4的均由耐腐蚀塑料注塑成型的塑料件,所述的筒体2为不锈钢材质。
所述的塑料件的制造工艺包括,
S1、选料:选用的原材料包括基体塑料105份、辅助填料50份、功能助剂30份、合金塑料40份;
其中辅助填料由氟橡胶粉末20份与间苯二甲酸酯30份;
S2、母料颗粒制造:将经步骤S2后的原材料放入搅拌釜中加热混合与搅拌,后得熔融状态的混合物,熔融状态的混合物再经过造粒机塑化、挤出等处理过程加工成母料颗粒,加工成的母料颗粒经称重分装后进行存储;
S3、注塑成型:将母料颗粒放入螺杆式注塑机的料筒中进行注塑成型,根据不同的注塑模具注塑出不同部位的塑料件。
在经所述步骤S3注塑成型的塑料件的外表面涂抹有防腐层,所述的防腐层由环氧煤沥青、过氯乙烯树脂、云母粉和二氧化硅为原料制成,所述原料的重量比为,环氧煤沥青40份、过氯乙烯树脂20份、6云母粉、二氧化硅6份。
实施例3
一种潜水泵,包括壳体及设置在所述壳体内的电机及叶轮,其特征是:所述的壳体由上至下包括依次连接的上壳体1、筒体2、连接盘3及下壳体4,所述的下壳体4上带有进水口与出水口;所述的上壳体1、连接盘3及下壳体4的均由耐腐蚀塑料注塑成型的塑料件,所述的筒体2为不锈钢材质。
所述的塑料件的制造工艺包括,
S1、选料:选用的原材料包括基体塑料90份、辅助填料45份、功能助剂20份、合金塑料35份;
其中辅助填料由氟橡胶粉末20份与间苯二甲酸酯30份;
S2、母料颗粒制造:将经步骤S2后的原材料放入搅拌釜中加热混合与搅拌,后得熔融状态的混合物,熔融状态的混合物再经过造粒机塑化、挤出等处理过程加工成母料颗粒,加工成的母料颗粒经称重分装后进行存储;
S3、注塑成型:将母料颗粒放入螺杆式注塑机的料筒中进行注塑成型,根据不同的注塑模具注塑出不同部位的塑料件。
在经所述步骤S3注塑成型的塑料件的外表面涂抹有防腐层,所述的防腐层由环氧煤沥青、过氯乙烯树脂、云母粉和二氧化硅为原料制成,所述原料的重量比为,环氧煤沥青30份、过氯乙烯树脂18份、4云母粉、二氧化硅5份。
实施例4
一种潜水泵,包括壳体及设置在所述壳体内的电机及叶轮,其特征是:所述的壳体由上至下包括依次连接的上壳体1、筒体2、连接盘3及下壳体4,所述的下壳体4上带有进水口与出水口;所述的上壳体1、连接盘3及下壳体4的均由耐腐蚀塑料注塑成型的塑料件,所述的筒体2为不锈钢材质。
所述的塑料件的制造工艺包括,
S1、选料:选用的原材料包括基体塑料80份、辅助填料50份、功能助剂30份、合金塑料30份;
其中辅助填料由氟橡胶粉末20份与间苯二甲酸酯30份;
S2、母料颗粒制造:将经步骤S2后的原材料放入搅拌釜中加热混合与搅拌,后得熔融状态的混合物,熔融状态的混合物再经过造粒机塑化、挤出等处理过程加工成母料颗粒,加工成的母料颗粒经称重分装后进行存储;
S3、注塑成型:将母料颗粒放入螺杆式注塑机的料筒中进行注塑成型,根据不同的注塑模具注塑出不同部位的塑料件。
在经所述步骤S3注塑成型的塑料件的外表面涂抹有防腐层,所述的防腐层由环氧煤沥青、过氯乙烯树脂、云母粉和二氧化硅为原料制成,所述原料的重量比为,环氧煤沥青40份、过氯乙烯树脂15份、6云母粉、二氧化硅4份。
应用试验
实验一
对上述实施例中步骤S3得到的外表面未涂抹有防腐层的塑料件进行性能测试,测试结果见下表,所采用的测试方法如下:耐腐蚀性能:测试方法采用自由浸泡实验法,参见GB/T 11547-1989《塑料耐液体化学药品(包括水)性能测定方法》。
具体实施方法为:室温下,将未涂抹有防腐层塑料件浸泡在多种化学介质中7天(168h),测定重量变化率。重量变化率越小,耐腐蚀性能越好。下表为不同实施例中的未涂抹有防腐层塑料耐腐蚀性能比较。
实验二
去实施例1-4中外表面涂抹有防腐层的塑料件进行耐腐蚀测试,其步骤如下:
1.将实施例1-4中外表面涂抹有防腐层的塑料件置于pH为4的酸性溶液中浸泡2h,然后于常温下风干3h,并重复酸浸、风干40次后观察塑料件的表面是否有裂纹。
2.将实施例1-4中外表面涂抹有防腐层的塑料件置于pH为9的碱性性溶液中浸泡2h,然后于常温下风干3h,并重复碱浸、风干40次后观察电缆的表面是否有裂纹。
3.将实施例1-4中外表面涂抹有防腐层的塑料件置于氯化钠水溶液中浸泡2h,然后于常温下风干3h,并重复盐浸、风干40次后观察电缆的表面是否有
测试结果:经观察实施例1-4的塑料件的表面均较为光滑,仅有少量的1mm左右的小细纹。
上述实施例仅为本发明的较佳实施例,并非依此限制本发明的保护范围,故:凡依本发明的结构、形状、原理所做的等效变化,均应涵盖于本发明的保护范围之内。
Claims (7)
1.一种潜水泵,包括壳体及设置在所述壳体内的电机及叶轮,其特征是:所述的壳体由上至下包括依次连接的上壳体(1)、筒体(2)、连接盘(3)及下壳体(4),所述的下壳体(4)上带有进水口与出水口;所述的上壳体(1)、连接盘(3)及下壳体(4)的均由耐腐蚀塑料注塑成型的塑料件,所述的筒体(2)为不锈钢材质。
2.一种潜水泵的制造方法,其特征是:所述的塑料件的制造工艺包括,
S1、选料:选用的原材料包括基体塑料、功能助剂与塑料合金;
S2、母料颗粒制造:将经步骤S2后的原材料放入搅拌釜中加热混合与搅拌,后得熔融状态的混合物,熔融状态的混合物再经过造粒机塑化、挤出等处理过程加工成母料颗粒,加工成的母料颗粒经称重分装后进行存储;
S3、注塑成型:将母料颗粒放入螺杆式注塑机的料筒中进行注塑成型,根据不同的注塑模具注塑出不同部位的塑料件。
3.根据权利要求2所述的一种潜水泵的制造方法,其特征是:所述的基体塑料选用PA66+GF20,所述的功能助剂为阻燃剂、抗静电剂、耐磨剂、耐候剂、热稳定剂、耐腐蚀剂、抗菌剂中的一种或几种。
4.根据权利要求3所述的一种潜水泵的制造方法,其特征是:所示的合金塑料主要由PC、PBT、PET、ABS、相容剂以及抗氧剂为原料制成;其中,所述PC、PBT、PET及ABS重量比为6:2:3∶1,所述相容剂的添加量为所述PC、PBT、PET及ABS总重量的11%,所述抗氧剂的添加量为所述PC、PBT、PET及ABS总重量的4%;所述相容剂为马来酸酐接枝POE,所述抗氧剂为抗氧剂1010;PC、PBT、PET、ABS、相容剂以及抗氧剂合成经过250~350℃高温挤出造粒,后通过注塑机模具压注成型;所述PC、PBT、PET、ABS首先合成成为PC/PBT、PC/ABS、PC/PET工程塑料,在此基础上再添加相容剂以及抗氧剂合成为合金塑料。
5.根据权利要求4所述的一种潜水泵的制造方法,其特征是:所述步骤S2中选用的原材料包括辅助填料;所述的母料颗粒按质量计有以下组分组成,基体塑料80-105份、辅助填料40-50份、功能助剂5-30份、合金塑料30-40份。
6.根据权利要求5所述的一种潜水泵的制造方法,其特征是:所述的辅助填料由氟橡胶粉末和间苯二甲酸组出;所述的辅助填料按质量计有以下组分组成,氟橡胶粉末10-30份、间苯二甲酸酯20-40份。
7.根据权利要求6所述的一种潜水泵的制造方法,其特征是:在经所述S3注塑成型的塑料件的外表面涂抹有防腐层,所述的防腐层由环氧煤沥青、过氯乙烯树脂、云母粉和二氧化硅为原料制成,所述原料的重量比为,环氧煤沥青20-40份、过氯乙烯树脂15-20份、3-6云母粉、二氧化硅4-6份。
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