CN111792381A - 一种低摩擦阻力耐高温耐磨的风动送样盒及其制备方法 - Google Patents
一种低摩擦阻力耐高温耐磨的风动送样盒及其制备方法 Download PDFInfo
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Abstract
本发明公开了一种低摩擦阻力耐高温耐磨的风动送样盒及其制备方法,包括一体式前封头、一体式后封头和盒舱组成,所述盒舱上设置有气密环和耐磨润滑环,所述气密环和耐磨润滑环凸出于盒舱表面,其制备方法包括如下步骤:将权利要求1所述的高聚物按重量组份加入线式螺杆注塑机的料筒,料筒前段温度控制在245~275℃,料筒中段温度控制在265~285℃,注塑螺杆的旋转速度控制在25~35转/分。本发明,由于构成本申请的一体式前封头、且在一体式前封头和一体式后封头上安装了石墨材质的耐磨润滑环,从而可以使聚碳酸酯为主要组成成分通过熔融注塑成型制成的风动送样盒具有优良的低摩擦阻力和耐高温耐磨性能。
Description
技术领域
本发明涉及风动送样盒技术领域,具体为一种低摩擦阻力耐高温耐磨的风动送样盒及其制备方法。
背景技术
风动送样盒广泛用于水泥、煤炭、钢铁和食品等多种行业。利用风动送样装置在取样点和分析室之间传送待测样品,风动送样装置传送样品速度快,可以满足工厂对待测样品要求快速传递,快速检测的时限要求。目前,风动送样还存在以下亟待解决的问题:1、送样卡阻;由于风动送样装置的输送管路内难免误入杂物,亦或冬季因气温过低管内壁结冰,导致输送过程中出现送样卡塞。2、风动送样盒损坏较快;一般取样点和分析室之间的距离较长,且工厂每天检测样品数量较多,风动送样盒长时间处于高速摩擦状态,导致风动送样盒磨损较快,且送样时的高速撞击,也使盒体容易发生型变。3、风动送样阻力较大或漏气;风动送样盒在使用一段时间后,由于盒体形变和盒体耐磨层磨损,导致盒体无法与输送管路形成密封,导致漏气无法风动送样。亦或由于耐磨层的缺失,导致盒体与输送管路直接摩擦,发热膨胀,导致摩擦阻力增加,进而增大风动送样阻力。4、风动送样盒不易拆装;由于风动送样过程中,送样盒与管道碰撞,使用一段时间后,送样盒发生形变,导致送样盒拆装困难。
发明内容
本发明的目的在于提供一种低摩擦阻力耐高温耐磨的风动送样盒及其制备方法,以解决上述背景技术中提出的问题。
为实现上述目的,本发明提供如下技术方案:一种低摩擦阻力耐高温耐磨的风动送样盒,包括一体式前封头、一体式后封头和盒舱组成,所述一体式前封头和一体式后封头之间通过盒舱连接,所述盒舱上设置有气密环和耐磨润滑环,所述气密环和耐磨润滑环凸出于盒舱表面,所述气密环和耐磨润滑环的外径与风动送样装置的输送管路的内径相同,所述一体式前封头和一体式后封头采用高聚物熔融注塑成型,所述高聚物的按重量组份为聚碳酸酯 60~70份,聚四氟乙烯12~18份,丙烯晴-丁二烯-苯乙烯接枝共聚物6~10 份,炭黑4~8份,聚甲基硅油3~6份,交联剂剂0.2~1份。
优选的,所述耐磨润滑环为石墨耐磨润滑环。
优选的,所述一体式前封头和一体式后封头与盒舱之间的连接方式为螺纹连接。
优选的,所述一体式前封头和一体式后封头远离盒舱的端部呈半椭圆形或锥形。
优选的,所述耐磨润滑环和气密环与一体式前封头和一体式后封头的连接方式为所述耐磨润滑环和气密环卡接在一体式前封头和一体式后封头上的卡槽内。
优选的,所述卡槽呈倒梯形。
优选的,所述盒舱采用不锈钢盒舱。
一种低摩擦阻力耐高温耐磨的风动送样盒制备方法,包括如下步骤:将权利要求1所述的高聚物按重量组份加入线式螺杆注塑机的料筒,料筒前段温度控制在245~275℃,料筒中段温度控制在265~285℃,料筒后段温度控制在250~270℃,模具温度控制在90~95℃,注塑压力控制在100~130MPa,注塑螺杆的旋转速度控制在25~35转/分,待混合物料熔融后,开始向模具进行注塑,注塑喷嘴的温度控制在245~255℃,注塑时长控制在3~5s,注塑完成后,保压时长控制在40~80s,完成保压后,模具的冷却时长控制在 40~50s。
与现有技术相比,本发明的有益效果是:
本发明,由于构成本申请的一体式前封头、一体式后封头的主要组分为聚碳酸酯,且在一体式前封头和一体式后封头上安装了石墨材质的耐磨润滑环,从而可以使聚碳酸酯为主要组成成分通过熔融注塑成型制成的风动送样盒具有优良的低摩擦阻力和耐高温耐磨性能。此外,本申请提供的制备方法是用模具来生产风动送样盒,生产效率和成品率均较高。
附图说明
图1为本发明的结构示意图;
图2为本发明的卡槽结构示意图。
图中:1、一体式前封头;2、卡槽;3、气密环;4、耐磨润滑环;5、盒舱;6、一体式后封头。
具体实施方式
下面将结合本发明实施例中的附图,对本发明实施例中的技术方案进行清楚、完整地描述,显然,所描述的实施例仅仅是本发明一部分实施例,而不是全部的实施例。基于本发明中的实施例,本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例,都属于本发明保护的范围。
实施例1
请参阅图1-2,本发明提供一种技术方案:一种低摩擦阻力耐高温耐磨的风动送样盒,包括一体式前封头1、一体式后封头6和盒舱5组成,一体式前封头1和一体式后封头6之间通过盒舱5连接,盒舱5上设置有气密环3和耐磨润滑环4,气密环3和耐磨润滑环4凸出于盒舱5表面,气密环3和耐磨润滑环4的外径与风动送样装置的输送管路的内径相同,一体式前封头1和一体式后封头6采用高聚物熔融注塑成型,高聚物的按重量组份为聚碳酸酯 60份,聚四氟乙烯12份,丙烯晴-丁二烯-苯乙烯接枝共聚物6份,炭黑4份,聚甲基硅油3份,交联剂剂0.2份。
具体的,耐磨润滑环4为石墨耐磨润滑环。
具体的,一体式前封头1和一体式后封头6与盒舱5之间的连接方式为螺纹连接。
具体的,一体式前封头1和一体式后封头6远离盒舱5的端部呈半椭圆形。
具体的,耐磨润滑环4和气密环3与一体式前封头1和一体式后封头6 的连接方式为耐磨润滑环4和气密环3卡接在一体式前封头1和一体式后封头6上的卡槽2内。
具体的,卡槽2呈倒梯形。
具体的,盒舱5采用不锈钢盒舱。
一种低摩擦阻力耐高温耐磨的风动送样盒制备方法,包括如下步骤:将权利要求1的高聚物按重量组份加入线式螺杆注塑机的料筒,料筒前段温度控制在245℃,料筒中段温度控制在265℃,料筒后段温度控制在250℃,模具温度控制在90℃,注塑压力控制在100MPa,注塑螺杆的旋转速度控制在25 转/分,待混合物料熔融后,开始向模具进行注塑,注塑喷嘴的温度控制在 245℃,注塑时长控制在3s,注塑完成后,保压时长控制在40s,完成保压后,模具的冷却时长控制在40s。
实施例2
请参阅图1-2,本发明提供一种技术方案:一种低摩擦阻力耐高温耐磨的风动送样盒,包括一体式前封头1、一体式后封头6和盒舱5组成,一体式前封头1和一体式后封头6之间通过盒舱5连接,盒舱5上设置有气密环3和耐磨润滑环4,气密环3和耐磨润滑环4凸出于盒舱5表面,气密环3和耐磨润滑环4的外径与风动送样装置的输送管路的内径相同,一体式前封头1和一体式后封头6采用高聚物熔融注塑成型,高聚物的按重量组份为聚碳酸酯 70份,聚四氟乙烯18份,丙烯晴-丁二烯-苯乙烯接枝共聚物10份,炭黑8 份,聚甲基硅油6份,交联剂剂1份。
具体的,耐磨润滑环4为石墨耐磨润滑环。
具体的,一体式前封头1和一体式后封头6与盒舱5之间的连接方式为螺纹连接。
具体的,一体式前封头1和一体式后封头6远离盒舱5的端部呈锥形。
具体的,耐磨润滑环4和气密环3与一体式前封头1和一体式后封头6 的连接方式为耐磨润滑环4和气密环3卡接在一体式前封头1和一体式后封头6上的卡槽2内。
具体的,卡槽2呈倒梯形。
具体的,盒舱5采用不锈钢盒舱。
一种低摩擦阻力耐高温耐磨的风动送样盒制备方法,包括如下步骤:将权利要求1的高聚物按重量组份加入线式螺杆注塑机的料筒,料筒前段温度控制在275℃,料筒中段温度控制在285℃,料筒后段温度控制在270℃,模具温度控制在95℃,注塑压力控制在130MPa,注塑螺杆的旋转速度控制在35 转/分,待混合物料熔融后,开始向模具进行注塑,注塑喷嘴的温度控制在 255℃,注塑时长控制在5s,注塑完成后,保压时长控制在80s,完成保压后,模具的冷却时长控制在50s。
尽管已经示出和描述了本发明的实施例,对于本领域的普通技术人员而言,可以理解在不脱离本发明的原理和精神的情况下可以对这些实施例进行多种变化、修改、替换和变型,本发明的范围由所附权利要求及其等同物限定。
Claims (8)
1.一种低摩擦阻力耐高温耐磨的风动送样盒,包括一体式前封头、一体式后封头和盒舱组成,所述一体式前封头和一体式后封头之间通过盒舱连接,其特征在于:所述盒舱上设置有气密环和耐磨润滑环,所述气密环和耐磨润滑环凸出于盒舱表面,所述气密环和耐磨润滑环的外径与风动送样装置的输送管路的内径相同,所述一体式前封头和一体式后封头采用高聚物熔融注塑成型,所述高聚物的按重量组份为聚碳酸酯60~70份,聚四氟乙烯12~18份,丙烯晴-丁二烯-苯乙烯接枝共聚物6~10份,炭黑4~8份,聚甲基硅油3~6份,交联剂剂0.2~1份。
2.根据权利要求1所述的一种低摩擦阻力耐高温耐磨的风动送样盒,其特征在于:所述耐磨润滑环为石墨耐磨润滑环。
3.根据权利要求1所述的一种低摩擦阻力耐高温耐磨的风动送样盒,其特征在于:所述一体式前封头和一体式后封头与盒舱之间的连接方式为螺纹连接。
4.根据权利要求1所述的一种低摩擦阻力耐高温耐磨的风动送样盒,其特征在于:所述一体式前封头和一体式后封头远离盒舱的端部呈半椭圆形或锥形。
5.根据权利要求1所述的一种低摩擦阻力耐高温耐磨的风动送样盒,其特征在于:所述耐磨润滑环和气密环与一体式前封头和一体式后封头的连接方式为所述耐磨润滑环和气密环卡接在一体式前封头和一体式后封头上的卡槽内。
6.根据权利要求5所述的一种低摩擦阻力耐高温耐磨的风动送样盒,其特征在于:所述卡槽呈倒梯形。
7.根据权利要求5所述的一种低摩擦阻力耐高温耐磨的风动送样盒,其特征在于:所述盒舱采用不锈钢盒舱。
8.一种低摩擦阻力耐高温耐磨的风动送样盒制备方法,其特征在于包括如下步骤:将权利要求1所述的高聚物按重量组份加入线式螺杆注塑机的料筒,料筒前段温度控制在245~275℃,料筒中段温度控制在265~285℃,料筒后段温度控制在250~270℃,模具温度控制在90~95℃,注塑压力控制在100~130MPa,注塑螺杆的旋转速度控制在25~35转/分,待混合物料熔融后,开始向模具进行注塑,注塑喷嘴的温度控制在245~255℃,注塑时长控制在3~5s,注塑完成后,保压时长控制在40~80s,完成保压后,模具的冷却时长控制在40~50s。
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