大直径塑料管道成型牵引装置开发进展
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摘要
目前,大直径塑料管道成型方法主要是挤出成型和缠绕成型。此外,还有一种结合增材制造技术与传统挤出成型工艺的大直径塑料管道成型新工艺,即聚合物熔体喷射堆砌成型工艺。使用该成型工艺生产管材的过程中,管材既需要水平方向的牵引运动,又需要进行旋转运动。另外,牵引装置运动的稳定性、牵引速率等工艺参数,将直接影响管材的质量。因此,传统的牵引装置无法满足该成型工艺的要求。在介绍了国内外管材牵引装置相关技术及其研究现状后,探讨了牵引过程工艺参数对管材质量的影响,最后提出了应用于聚合物融体喷射堆砌成型工艺的牵引装置。
At present,the main forming methods of large-diameter plastic pipes are extrusion molding and filament winding. Moreover,the polymer melt spouted-accumulated forming technology,which is combined with additive manufacturing technology and extrusion molding technology,is adopted as well. With the technology,both linear drawing motion and rotating motion are needed during the forming process of plastic pipes. In addition,the quality of pipes is directly affected by technical parameters,including the stability of the machine motion,the drawing rate and so on. Thus,traditional drawing machine is difficult to satisfy with the needs of technology. Related technology and researches about pipes drawing machine from home and abroad are firstly introduced,and the effect of parameters in drawing procedure on the quality of pipes is studied. Finally,the drawing machine for polymer melt spouted-accumulated forming process is put forward.
At present,the main forming methods of large-diameter plastic pipes are extrusion molding and filament winding. Moreover,the polymer melt spouted-accumulated forming technology,which is combined with additive manufacturing technology and extrusion molding technology,is adopted as well. With the technology,both linear drawing motion and rotating motion are needed during the forming process of plastic pipes. In addition,the quality of pipes is directly affected by technical parameters,including the stability of the machine motion,the drawing rate and so on. Thus,traditional drawing machine is difficult to satisfy with the needs of technology. Related technology and researches about pipes drawing machine from home and abroad are firstly introduced,and the effect of parameters in drawing procedure on the quality of pipes is studied. Finally,the drawing machine for polymer melt spouted-accumulated forming process is put forward.
引文
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[21]王刚,赵建才,周持兴,等.牵引速率对EPDM密封条挤出过程的影响分析及口模设计[J].中国塑料,2005,19(3):59-62.
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[23]胡晓阳,聂敏,白时兵,等.旋转/牵引速度比对旋转挤出聚乙烯管结构和性能的影响[J].高分子材料科学与工程,2013,29(6):50-53.
[24]NIE M,BAI S,WANG Q.Effect of the inner wall cooling rate on the structure and properties of a polyethylene pipe extruded at a high rotation speed[J].Journal of Applied Polymer Science,2011,119(3):1659-1666.
[25]韦福建,吴斌,罗大军,等.牵引速率对聚丙烯中空纤维膜结构与性能的影响[J].塑料科技,2016(2):45-49.
[26]RAWAL A,SHAH T,ANAND S.Extrusion of polyethylene through a square slot in rotating die systems[J].Textile Research Journal,2009,79(6):483-494.
[27]KEUM J K,ZUO F,HSIAO B S.Formation and stability of shearinduced shish-kebab structure in highly entangled melts of UHMWPE/HDPE blends[J].Macromolecules,2008,41(13):4766-4776.
[28]朱艳,贾仕奎,王忠,等.牵引速率对PMMA-Si O2纳米复合材料热和力学性能影响的研究[J].化工新型材料,2016(9):246-248.
[2]戚爱华.“十二五”我国油气管道运输发展趋势分析[J].综合运输,2011(4):15-18.
[3]梅云新.中国管道运输的发展与建设[J].交通运输系统工程与信息,2005,5(2):108-111.
[4]谢建玲,王秀丽.国内外塑料管道原料现状与发展趋势[J].齐鲁石油化工,2012,40(1):43-49.
[5]瞿金平.一种聚合物管道喷流堆砌成型方法及装置:中国,CN105109055A[P].2015-12-02.
[6]PALARDY G,TRUDEL-BOUCHER D,HUBERT P.Investigation of a postprocessing method to tailor the mechanical properties of carbon nanotube/polyamide fibers[J].Journal of Applied Polymer Science,2013,130(6):4375-4382.
[7]张丽珍,周殿明.塑料管挤出成型简明技术手册[M].北京:化学工业出版社,2006:19-20.
[8]SHARTZER K B.Pipe pulling device:U.S.A.,US3612374A[P].1971-10-12.
[9]UNICOR G.Apparatus for the continuous production of pipes with cross-profiled walls:U.S.,US4787598A[P].1988-11-29.
[10]Crane Plastics Co LLC.Integrated belt puller and three-dimensional forming machine:U.S.A.,US2006068053A1[P].2006-03-30.
[11]张建辉,薛德胜.新型台式变频履带牵引机的设计[J].轻工机械,2006,24(1):117-119.
[12]上海金湖挤出设备有限公司.一种管材牵引机夹持稳定系统:中国,CN203600588U[P].2014-05-21.
[13]上海金湖挤出设备有限公司.一种多履带塑料管材牵引机:中国,CN103358527A[P].2013-10-23.
[14]张家港市贝尔机械有限公司.塑料管材用双牵引无屑切割一体机:中国,CN103213161A[P].2013-07-24.
[15]四川中航超高分子量管业有限公司.塑料管材牵引机:中国,CN205058553U[P].2016-03-02.
[16]KALLEL A,DEMAY Y,AGASSANT J F,et al.Experimental investigation and modeling of a new high speed coating process[J].International Polymer Processing,2016,31(3):369-375.
[17]张春吉,唐跃,张惠敏.塑料挤出成型发展概况[J].工程塑料应用,2004,32(2):67-70.
[18]贺明健,王佳,张景娜,等.大管径聚乙烯管的挤出成型工艺及设备[J].煤气与热力,2005,25(9):69-72.
[19]WRIGHT D D,LAUTENSCHLAGER E P,GILBERT J L.The effect of processing conditions on the properties of poly(methyl methacrylate)fibers[J].Journal of Biomedical Materials Research Part A,2002,63(2):152-160.
[20]BAIK Y,LEE S,JANG Y,et al.Unidirectional alignment of carbon nano-sized fiber using drawing process[J].Journal of Materials Science,2005,40(22):6037-6039.
[21]王刚,赵建才,周持兴,等.牵引速率对EPDM密封条挤出过程的影响分析及口模设计[J].中国塑料,2005,19(3):59-62.
[22]戴元坎.汽车橡胶密封条挤出成型过程的计算机模拟研究[D].上海:上海交通大学,2008:230.
[23]胡晓阳,聂敏,白时兵,等.旋转/牵引速度比对旋转挤出聚乙烯管结构和性能的影响[J].高分子材料科学与工程,2013,29(6):50-53.
[24]NIE M,BAI S,WANG Q.Effect of the inner wall cooling rate on the structure and properties of a polyethylene pipe extruded at a high rotation speed[J].Journal of Applied Polymer Science,2011,119(3):1659-1666.
[25]韦福建,吴斌,罗大军,等.牵引速率对聚丙烯中空纤维膜结构与性能的影响[J].塑料科技,2016(2):45-49.
[26]RAWAL A,SHAH T,ANAND S.Extrusion of polyethylene through a square slot in rotating die systems[J].Textile Research Journal,2009,79(6):483-494.
[27]KEUM J K,ZUO F,HSIAO B S.Formation and stability of shearinduced shish-kebab structure in highly entangled melts of UHMWPE/HDPE blends[J].Macromolecules,2008,41(13):4766-4776.
[28]朱艳,贾仕奎,王忠,等.牵引速率对PMMA-Si O2纳米复合材料热和力学性能影响的研究[J].化工新型材料,2016(9):246-248.