CN105694185A - 一种滚塑发泡检查井的生产配方及工艺 - Google Patents
一种滚塑发泡检查井的生产配方及工艺 Download PDFInfo
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Abstract
本发明公开了一种滚塑发泡检查井的生产配方及工艺,包含以下操作步骤:皮料加工,中间PE微发泡层混配料;皮料和中间料混合,模具进入滚塑机进行滚塑成型得到半成品,修整,本发明的检查井为一次性成型设计,通过采用外层和内层的外部设置有卫生许可级PE树脂层,内外壁光滑,阻力系数低,内层防腐,具有良好的耐化学腐蚀性,同时这两层的强度比芯层高,可以保证检查井具有足够的机械强度和良好的抗冲击性,本发明通过将检查井中间增加为PE微发泡设计,可以节约塑胶的用量,降低企业生产检查井的成本。
Description
【技术领域】
本发明涉及地下管道配件技术领域,具体的说是一种滚塑发泡检查井的生产配方及工艺。
【背景技术】
检查井俗称“窨井”,它是通过埋地与城市地下管网相连接的管网汇合枢纽,是便于定期检查、清洁和疏通管道,防止管道堵塞的工作站。检查井是为城市地下基础设施的供电、给水、排水、排污、通讯、有线电视、煤气管、路灯线路等维修,安装方便而设置的。一般设在管道交汇处、转弯处、管径或坡度改变处、以及直线管段上每隔一定距离处,是便于定期检查附属构筑物,塑料一体注塑检查井是指构成检查井的主要井座部分采用一次性注塑成型,井筒插口采用360度环型承载平台,井身及井座底部采用网状加强筋,各承插口采用环型加强筋设计。根据接管数和角度不同有起始井座、直通井座、45度弯头井座、三通井座、四通井座等。为了适应各种排水状况,塑料检查井同时配套有变径接头、汇流接头、井筒多接头等与之配套的塑料一体注塑成型配件。以保障整个排水系统的流畅和密封性。现有的检查井整体结构为全塑胶结构,对于塑胶材料的使用量大,
因此,为克服上述技术的不足而设计节省塑胶材料,具有良好的耐化学腐蚀性,具有足够的机械强度和良好的抗冲击性的一种滚塑发泡检查井的生产配方及工艺,正是发明人所要解决的问题。
【发明内容】
针对现有技术的不足,本发明的目的是提供一种可以节省塑胶材料,具有良好的耐化学腐蚀性,具有足够的机械强度和良好的抗冲击性的滚塑发泡检查井。
本发明解决其技术问题所采用的技术方案是:一种滚塑发泡检查井的生产配方,所述配方包含皮料和中间PE微发泡层混配料,所述中间PE微发泡层混配料的配方如下:
聚乙烯树脂粉100份
AC发泡剂2份
交联剂DCP0.3-0.4份
交联剂1010.1-0.2份
硬脂酸锌0-0.05份
一种滚塑发泡检查井的生产工艺,工艺包含以下操作步骤:
1)皮料加工,将生的PE颗粒通过研磨机进行磨料,将PE颗粒研磨成PE料粉,将PE料粉混合均匀,得到皮料备用
2)中间PE微发泡层混配料;
中间PE微发泡层混配料的工艺为:
a、将高密度聚乙烯树脂、发泡剂、交联剂和硬脂酸锌、硬脂酸、石蜡、滑石粉助剂按各组分质量份组成配方进行配料:
聚乙烯树脂粉100份
AC发泡剂2份
交联剂DCP0.3-0.4份
交联剂1010.1-0.2份
硬脂酸锌0-0.05份
其他
b、将以上配好的料通过挤出机进行造粒,生产出粒状中间料。
3)皮料和中间料混合,将步骤1)中得到的皮料和步骤2)得到的中间料进行混合。
4)将步骤3)得到的混合料装进模具中。
5)模具进入滚塑机进行滚塑成型得到半成品,装模和滚塑的操作方法如下:
a、模具刷硅油,硅油和汽油按1:1进行配比,用布条擦平;
b、安装好粉料,然后把上下模具紧好,安装好排气管,排气管内充岩棉;
c、将模具吊到滚塑架上,紧好丝杠和紧固螺母,然后打开液化气开始加热内模到塑料能熔化时停止加热,开动电机将机架送入烘箱,关好烘箱门,开始加热;
d、加热时先点火启动燃烧器,再打开循环风机,主轴转数设定为6转,副轴转数设定为12转,正反转要各保持二分之一的时间,150℃以后,5分钟一换向,运行时期要注意观察电流,不得超过额定值,主轴为7A,副轴为10A;
e、温度达到设定温度290-300℃后,关闭燃烧器,在保温箱内运转5分钟,温度降到200℃左右时,开门出炉;
f、风冷时间,为20分钟,温度达到80℃以下,水冷时间为5分钟,温度达到40℃。水晾干后可以吊下模具,开始出模;
g、拆模时要注意保护不要用锐物碰伤产品。模具应每次清理,保证合模严密,产品停放时平面向下防止产品变形;
h、滚塑机的传动部分进烘箱的要每次用高温润油润滑,烘箱外的传动部分用普通润滑油每天润滑一次,有松动时应及时紧固和调整;
6)冷却,将步骤5)生产的产品放在阴凉处进行冷却;
7)修整理,对步骤6)中的产品的毛刺等进行修整理。
进一步,所述的其他类原材料,是根据具体生产过程中所出现的问题添加,主要成分为硬脂酸,石蜡,滑石粉等的一种或者多种材料,硬脂酸,石蜡起润滑作用,滑石粉为成核剂。
进一步,所述生PE颗粒为牛奶瓶造粒料。
进一步,所述AC发泡剂型号为索普SOPODN12,所述交联剂DCP型号为上海方锐达DCP,所述交联剂101型号为上海方锐达双二五(101)粉末,所述硬脂酸锌型号为卓基化工ZS-P。
本发明的有益效果是:
1、本发明的检查井为一次性成型设计,通过采用外层和内层的外部设置有卫生许可级PE树脂层,内外壁光滑,阻力系数低,内层防腐,具有良好的耐化学腐蚀性,同时这两层的强度比芯层高,可以保证检查井具有足够的机械强度和良好的抗冲击性。
2、本发明通过将检查井中间增加为PE微发泡设计,可以节约塑胶的用量,降低企业生产检查井的成本。
【具体实施方式】
下面结合具体实施例,进一步阐述本发明,应理解,这些实施例仅用于说明本发明而不用于限制本发明的范围。此外应理解,在阅读了本发明讲授的内容之后,本领域技术人员可以对本发明作各种改动或修改,这些等价形式同样落在申请所附权利要求书所限定的范围。
一种滚塑发泡检查井的生产工艺,包含以下操作步骤:
1)皮料加工,将生的PE颗粒通过研磨机进行磨料,将PE颗粒研磨成PE料粉,将PE料粉与混合均匀,得到皮料备用
2)中间PE微发泡层混配料;
中间PE微发泡层混配料的工艺为:
a、将高密度聚乙烯树脂、发泡剂、交联剂和硬脂酸锌、硬脂酸、石蜡、滑石粉助剂按各组分质量份组成配方进行配料:
聚乙烯树脂粉100份
AC发泡剂2份
交联剂DCP0.3-0.4份
交联剂1010.1-0.2份
硬脂酸锌0-0.05份
其他
B、将以上配好的料通过挤出机进行造粒,生产出粒状中间料。
3)皮料和中间料混合,将步骤1)中得到的皮料和步骤2)得到的中间料进行混合。
4)将步骤3)得到的混合料装进模具中。
5)模具进入滚塑机进行滚塑成型得到半成品,装模和滚塑的操作方法如下:
a、模具刷硅油,硅油和汽油按1:1进行配比,用布条擦平;
b、按装好粉料,然后把上下模具紧好,安装好排气管,排气管内充岩棉;
c、将模具吊到滚塑架上,紧好丝杠和紧固螺母,然后打开液化气开始加热内模到塑料能熔化时停止加热,开动电机将机架送入烘箱,关好烘箱门,开始加热;
d、加热时先点火启动燃烧器,再打开循环风机,主轴转数设定为6转,副轴转数设定为12转,正反转要各保持二分之一的时间,150℃以后,5分钟一换向,运行时期要注意观察电流,不得超过额定值,主轴为7A,副轴为10A;
e、温度达到设定温度290-300℃后,关闭燃烧器,在保温箱内运转5分钟,温℃降到200℃左右时,开门出炉;
f、风冷时间,为20分钟,温度达到80℃以下,水冷时间为5分钟,温度达到40℃。水晾干后可以吊下模具,开始出模;
g、拆模时要注意保护不要用锐物碰伤产品。模具应每次清理,保证合模严密,产品停放时平面向下防止产品变形;
h、滚塑机的传动部分进烘箱的要每次用高温润油润滑,烘箱外的传动部分用普通润滑油每天润滑一次,有松动时应及时紧固和调整;
6)冷却,将步骤5)生产的产品放在阴凉处进行冷却;
7)修整理,对步骤6)中的产品的毛刺等进行修整理。
其他类原材料,是根据具体生产过程中所出现的问题添加,主要成分为硬脂酸,石蜡,滑石粉等的一种或者多种材料,硬脂酸,石蜡起润滑作用,滑石粉为成核剂。
生PE颗粒为牛奶瓶造粒料。
AC发泡剂型号为索普SOPODN12,所述交联剂DCP型号为上海方锐达DCP,所述交联剂101型号为上海方锐达双二五(101)粉末,所述硬脂酸锌型号为卓基化工ZS-P。
Claims (5)
1.一种滚塑发泡检查井的生产配方,其特征在于:所述配方包含皮料和中间PE微发泡层混配料,所述中间PE微发泡层混配料的配方如下:
聚乙烯树脂粉100份
AC发泡剂2份
交联剂DCP0.3-0.4份
交联剂1010.1-0.2份
硬脂酸锌0-0.05份。
2.根据权利要求1所述的一种滚塑发泡检查井的生产工艺,其特征在于:工艺包含以下操作步骤:
1)皮料加工,将生的PE颗粒通过研磨机进行磨料,将PE颗粒研磨成PE料粉,将PE料粉与混合均匀,得到皮料备用;
2)中间PE微发泡层混配料;
中间PE微发泡层混配料的工艺为:
a、将高密度聚乙烯树脂、发泡剂、交联剂和硬脂酸锌、硬脂酸、石蜡、滑石粉助剂按各组分质量份组成配方进行配料:
聚乙烯树脂粉100份
AC发泡剂2份
交联剂DCP0.3-0.4份
交联剂1010.1-0.2份
硬脂酸锌0-0.05份
其他;
b、将以上配好的料通过挤出机进行造粒,生产出粒状中间料;
3)皮料和中间料混合,将步骤1)中得到的皮料和步骤2)得到的中间料进行混合;
4)将步骤3)得到的混合料装进模具中;
5)模具进入滚塑机进行滚塑成型得到半成品,装模和滚塑的操作方法如下:
a、模具刷硅油,硅油和汽油按1:1进行配比,用布条擦平;
b、按装好粉料,然后把上下模具紧好,安装好排气管,排气管内充岩棉;
c、将模具吊到滚塑架上,紧好丝杠和紧固螺母,然后打开液化气开始加热内模到塑料能熔化时停止加热,开动电机将机架送入烘箱,关好烘箱门,开始加热;
d、加热时先点火启动燃烧器,再打开循环风机,主轴转数设定为6转,副轴转数设定为12转,正反转要各保持二分之一的时间,150℃以后,5分钟一换向,运行时期要注意观察电流,不得超过额定值,主轴为7A,副轴为10A;
e、温度达到设定温度290-300℃后,关闭燃烧器,在保温箱内运转5分钟,温度降到200℃左右时,开门出炉;
f、风冷时间,为20分钟,温度达到80℃以下,水冷时间为5分钟,温度达到40℃;
水晾干后可以吊下模具,开始出模;
g、拆模时要注意保护不要用锐物碰伤产品;
模具应每次清理,保证合模严密,产品停放时平面向下防止产品变形;
h、滚塑机的传动部分进烘箱的要每次用高温润油润滑,烘箱外的传动部分用普通润滑油每天润滑一次,有松动时应及时紧固和调整;
6)冷却,将步骤5)生产的产品放在阴凉处进行冷却;
7)修整理,对步骤6)中的产品的毛刺等进行修整理。
3.根据权利要求1所述的一种滚塑发泡检查井的生产工艺,其特征在于:所述的其他类原材料,是根据具体生产过程中所出现的问题添加,主要成分为硬脂酸,石蜡,滑石粉等的一种或者多种材料,硬脂酸,石蜡起润滑作用,滑石粉为成核剂。
4.根据权利要求1所述的一种滚塑发泡检查井的生产工艺,其特征在于:所述生PE颗粒为牛奶瓶造粒料。
5.根据权利要求1所述的一种滚塑发泡检查井的生产工艺,其特征在于:所述AC发泡剂型号为索普SOPODN12,所述交联剂DCP型号为上海方锐达DCP,所述交联剂101型号为上海方锐达双二五(101)粉末,所述硬脂酸锌型号为卓基化工ZS-P。
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CN112052521A (zh) * | 2020-09-18 | 2020-12-08 | 中国人民解放军国防科技大学 | 基于连续-离散混合优化的固体发动机装药构型设计方法 |
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CN108299709A (zh) * | 2017-01-11 | 2018-07-20 | 神华集团有限责任公司 | 一种可发泡聚乙烯组合物以及发泡聚乙烯制品及其制备方法 |
CN108299709B (zh) * | 2017-01-11 | 2021-05-11 | 国家能源投资集团有限责任公司 | 一种可发泡聚乙烯组合物以及发泡聚乙烯制品及其制备方法 |
CN112052521A (zh) * | 2020-09-18 | 2020-12-08 | 中国人民解放军国防科技大学 | 基于连续-离散混合优化的固体发动机装药构型设计方法 |
CN112052521B (zh) * | 2020-09-18 | 2021-07-02 | 中国人民解放军国防科技大学 | 基于连续-离散混合优化的固体发动机装药构型设计方法 |
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