CN106420165A - 弹性透气打孔医用绷带生产线及制作方法 - Google Patents
弹性透气打孔医用绷带生产线及制作方法 Download PDFInfo
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Abstract
本发明涉及一种既无需热压胶,也无需拉伸无纺布,便能将面层无纺布和底层无纺布复合在拉伸状态下弹性透气膜两面且二次打孔成型的弹性透气打孔医用绷带生产线及制作方法,包括PLC控制器,弹性高分子树脂流延模头下方为弹性透气流延模成型辊组,多对弹性透气膜拉伸辊组横向依次分布在弹性透气流延模成型辊组一侧,复合成型辊组横向位于多对弹性透气膜拉伸辊组中末端弹性透气膜拉伸辊组一侧,复合无纺布打孔装置位于复合成型辊组一侧。优点:一是平整度好,透气性好;二是弹性好,绷轧效果好。
Description
技术领域
本发明涉及一种既无需热压胶,也无需拉伸无纺布,便能将面层无纺布和底层无纺布复合在拉伸状态下弹性透气膜两面且二次打孔成型的弹性透气打孔医用绷带生产线及制作方法,主要用于医用绷带的制作,属医用绷带制造领域。
背景技术
CN103417331A、名称“加厚无纺布弹性绷带及制备方法”, 包含上下四层无纺布,上两层无纺布之间通过医用压敏胶点涂复合形成上双层无纺布,下两层无纺布之间通过医用压敏胶点涂复合形成下双层无纺布,上双层无纺布与下双层无纺布之间通过医用压敏胶点涂复合且中间夹有氨纶丝层,并通过热压压点复合方式在布面形成有均匀的压点。其不足之处:一是弹性差;二是透气性差。
发明内容
设计目的:避免背景技术中的不足之处,设计一种既无需热压胶,也无需拉伸无纺布,便能将面层无纺布和底层无纺布复合在拉伸状态下弹性透气膜两面且二次打孔成型的弹性透气打孔医用绷带生产线及制作方法。
设计方案:为了实现上述设计目的。本发明在结构设计上:1、弹性透气膜的膜面有很多透气孔的设计,是本发明的技术特征之一。这样设计的目的在于:由于本发明所述弹性透气膜与无纺布的复合为无胶(无热压胶)复合,即弹性透气膜的膜面与无纺布直接热融复合。为此本发明将所成型的弹性流延膜面设计为开孔的弹性透气膜面,这样设计的目的在于:开孔弹性透气膜面不仅能够使本不透气的弹性膜变成透气膜,而且很多个透气孔分布在弹性膜面使弹性膜面拉伸率则增大,从而实现了高弹力、大拉伸率的目的,所制的医用绷带具有平整度好、拉伸率大、弹性好、透气性好且价格低。2、带有很多透气孔的弹性透气膜在拉伸状态下与面层无纺布和底层无纺布热复合的设计,是本发明的技术特征之二。这样设计的目的在于:由于用于医用绷带和纸尿裤弹性腰围既要求具有良好透气性和平整度,又要求具有良好柔韧舒适性,同时要求价格低,而能够满足上述要求的面层无纺布和底层无纺布的弹性非常小,基本上可以忽略不计,根本无法在拉伸状态下与弹性膜复合。为此,本发明将弹性膜制造弹性透气膜,弹性透气膜在拉伸的状态下与未拉伸的面层无纺布和未拉伸的底层无纺布热压复合后、再经过复合无纺布打孔装置二次打孔后,弹性透气膜回弹复位强制带动面层无纺布和底层无纺布形成弹性透气打孔医用绷带,满足了医用绷带透气、平整、弹性绑扎的要求。3、弹性透气膜中透气孔采用条状切刀辊组或凹凸点切刀辊组的设计,是本发明的技术特征之三。这样设计的目的在于:它能够使成形的弹性膜在通过弹性透气流延模成型辊组时即被打成所需的条形孔或锥形孔。4、多对弹性透气膜拉伸辊组依次横向分布在弹性透气流延模成型辊组一侧,复合成型辊组横向位于多对弹性透气膜拉伸辊组中末端弹性透气膜拉伸辊组一侧的设计,是本发明的技术特征之四。这样设计的目的在于:横向设置弹性透气膜拉伸辊组和弹性透气流延模成型辊组,既能够避免垂直设置所带来的地球引力对弹性膜吸力所导致的弹性透气膜厚度不均现象的出现,又能方便地实现弹性透气膜拉伸的同时,又能方便地实现弹性透气膜单面或双面与无纺布的热压复合。5、弹性透气流延模成型辊组中光辊面置有一层耐高温防粘纳米涂层的设计,是本发明的技术特征之五。这样设计的目的在于:由于制作弹性膜的高弹性高分子树脂粒子在熔融状态下,粘性相对比较大、温度比较高,极易发生粘辊和粘连现象,不利于弹性透气膜的成型。本发明将弹性透气流延模成型辊组中光辊设计成耐高温防粘纳米辊,不仅避免了高弹性高分子树脂粒子在熔融状态下与光辊粘结或粘连现象的发生,而且满足了耐高温的需求,使初步成形的弹性透气膜的品质得到了保证。6、弹性透气膜拉伸辊组中光辊和胶辊辊面分别涂有一层耐高温防粘纳米涂层的设计,是本发明的技术特征之六。这样设计的目的在于:光辊设计成耐高温防粘纳米辊,不仅解决了高弹性高分子树脂粒子在熔融状态下与光辊粘结或粘连现象的发生,而且满足了耐高温的需求,使初步形成的弹性透气膜的品质得到了保证;而胶辊辊面采用弹性耐高温防粘层使胶辊的辊面具有良好附着性,能确保对弹性透气膜拉伸系数的相对一致性。7、弹性透气膜拉伸辊组中内置电加热管及温度传感器的设计,是本发明的技术特征之七。这样设计的目的在于:由于本发明中的无纺布与弹性透气膜之间的复合不采用热压胶,而是利用弹性透气膜膜面在热压状态下与无纺布复合,因此确保弹性透气膜在拉伸过程中的膜面温度至关重要,为此本发明在光辊和胶辊内置电加热管及温度传感器,该温度传感器将时时采集到的温度数据传输到PLC控制器且与内置在PLC控制器的弹性透气膜膜面的粘接数据进行比对,进而控制光辊和胶辊内电加热管的工作温度,使弹性透气膜在与无纺布复合前处理热压粘连状态,从而确保了弹性透气膜膜单面或两面与无纺布之间的可靠复合。8、复合成型辊组中凹凸辊和凸凹辊辊面分别涂有一层耐高温防粘弹性纳米涂层的设计,是本发明的技术特征之八。这样设计的目的在于:由于复合成型辊组中的凹凸辊和凸凹辊既具有传输拉伸弹性透气膜的功能,又具有将拉伸状态下弹性透气膜与无纺布复合的功能,因此它既具有防粘,又要附着性强的特点,同时又具有保温复合的功能。为此本发明将其辊面上设置一层耐高温防粘弹性纳米涂层,而耐高温防粘弹性纳米涂层具有耐高温、防粘结且附着性好的特点,既确保了对弹性透气膜的拉伸状态不改变,又防止了其与辊面粘结的同时,又实现了无纺布与弹性透气膜之间的弹性压接复合,确保了复合后的无纺布面的手感的舒适度不改变;而设置在凹凸辊和凸凹辊内的电加热管及温度传感器通过PLC控制器对温度数据的采集与控制,因为PLC控制器内置有弹性透气膜热压粘接温度参数且通过对弹性透气膜拉伸辊组温度采集和比对,控制弹性透气膜拉伸辊组的温度在弹性透气膜热压粘接温度的范围内变化,从而使复合成型辊组的复合温度处于最佳的设定范围内。9、弹性透气流延模成型辊组弹性透气膜拉伸辊组上设有转速传感器的设计,是本发明的技术特征这九。这样设计的目的在于:由于位于弹性透气流延模成型辊组和弹性透气膜拉伸辊组的转速受控于PLC控制器,PLC控制器通过对弹性透气流延模成型辊组和弹性透气膜拉伸辊组上转速传感器数据的采集,与PLC控制器内置弹性透气膜拉伸率与弹性透气膜拉伸辊组转速相对应的检测控制软件包比对,即可对弹性透气流延模成型辊组和弹性透气膜拉伸辊组的转速差时时控制,从而确保所需弹性透气膜的拉伸率控制在所设定的范围内。
技术方案1:一种弹性透气打孔医用绷带生产线,包括PLC控制器,弹性高分子树脂流延模头下方为弹性透气流延模成型辊组,多对弹性透气膜拉伸辊组横向依次分布在弹性透气流延模成型辊组一侧,复合成型辊组横向位于多对弹性透气膜拉伸辊组中末端弹性透气膜拉伸辊组一侧,复合无纺布打孔装置位于复合成型辊组一侧。
技术方案2:一种弹性透气打孔医用绷带生产线制作方法,弹性高分子树脂粒子经弹性高分子树脂流延模头流延成弹性膜,弹性膜经由弹性透气流延模成型辊组导出后形成膜面布有很多透气孔的弹性透气膜,弹性透气膜经多对弹性透气膜拉伸辊组的S形拉伸后且在弹性透气膜面的透气孔被拉大后与在其两面的底层无纺布和面层无纺布同时进入复合成型辊组热压复合成型导出后,复合无纺布打孔装置打孔后,位于弹性透气膜两面的面层无纺布和底层无纺布随弹性透气膜的回弹复位形成折绉面弹性打孔绷带。
本发明与背景技术相比,一是既实现弹性透气膜双面与无纺布的热压复合,又具有透气性好的特点;二是弹性透气流延模成型辊组中光辊耐高温防粘纳米涂层的设计,不仅解决了高弹性高分子树脂粒子在熔融状态下与光辊粘结或粘连现象的发生,而且满足了耐高温的需求;三是弹性透气膜拉伸辊组中光辊和胶辊辊面分别涂有一层耐高温防粘纳米涂层的设计,既防粘,又确保了对弹性透气膜拉伸系数的相对一致性;四是弹性透气膜拉伸辊组中内置电加热管及温度传感器的设计,确保了弹性透气膜膜在与无纺布复合前处理热压粘连状态,实现了弹性透气膜膜两面与无纺布之间的可靠复合,以及复合后弹性透气打孔医用绷带的诞生;五是复合成型辊组中凹凸辊和凸凹辊辊面分别涂有一层耐高温防粘弹性纳米涂层的设计,实现了对无纺布与弹性透气膜之间的弹性压接复合,确保了复合无纺布面的手感的舒适度不改变;六是弹性透气流延模成型辊组弹性透气膜拉伸辊组、上设有转速传感器的设计,保所需弹性透气膜的拉伸率控制在所设定的范围内;七是开孔弹性透气膜的设计,不仅使弹性膜具有透气的功能,而且使弹性膜拉伸率大大地增大,实现了高弹力、大拉伸率的特点。
附图说明
图1是弹性透气打孔医用绷带生产线的示意图。
图2是采用图1制作弹性透气打孔医用绷带拉展后的结构示意图。
图3是图2的俯视示意图。
具体实施方式
实施例1:参照附图1。一种弹性透气打孔医用绷带生产线,包括PLC控制器9,弹性高分子树脂流延模头1下方为弹性透气流延模成型辊组2-1,2-2,多对弹性透气膜拉伸辊组3-1和3-2横向依次分布在弹性透气流延模成型辊组一侧,复合成型辊组7-1和7-2横向位于多对弹性透气膜拉伸辊组中末端弹性透气膜拉伸辊组3-1和3-2一侧,复合无纺布打孔装置10位于复合成型辊组7-1和7-2一侧。所述弹性透气流延模成型辊组2-1和2-2由光辊2-1和凸刀辊2-2构成;光辊2-1面为刚性且凸刀辊2-2中的凸形刀齿面与光辊2-1的面刚性相触;所述弹性透气流延模成型辊组2-1和2-2和弹性透气膜拉伸辊组3-1和3-2上设有转速传感器且转速传感器的转速差受控于PLC控制器。所述PLC控制器内置有弹性透气膜拉伸率与弹性透气膜拉伸辊组3-1和3-2转速相对应的检测控制软件包。所述PLC控制器内置有弹性透气膜热压粘接温度参数且通过对弹性透气膜拉伸辊组温度比对,控制弹性透气膜拉伸辊组的温度在弹性透气膜热压粘接温度的范围内变化。
实施例2:在实施例1的基础上,弹性透气流延膜成型辊组为负压打孔流延膜成型辊组,且负压打孔流延膜成型辊组由光辊2-1和负压打孔辊2-2构成;负压打孔辊2-2的辊面布满负压抽吸口且负压抽吸口通过各自流道与负压打孔辊辊内的负压腔连通,负压腔通过连管与负压抽吸源连通。
实施例3:在实施例1的基础上,弹性透气流延膜成型辊组为凹凸点打孔流延膜成型辊组。
实施例4:在实施例1的基础上,所述光辊2-1辊面置有一层耐高温防粘纳米涂层。所述弹性透气膜拉伸辊组由光辊3-1和胶辊3-2辊构成且光辊3-1和胶辊3-2辊面分别涂有一层耐高温防粘纳米涂层。
实施例5:在实施例4的基础上,胶辊3-2辊面的耐高温防粘层纳米涂料层为弹性层。
实施例6:在实施例1的基础上,所述弹性透气膜拉伸辊组中的光辊3-1和胶辊3-2内置有电加热管及温度传感器,电加热管温度大小的设定受控于温度传感器采集的温度数据及PLC控制器。多对弹性透气膜拉伸辊组3-1和3-2中末辊组为温度控制辊组且温度控制辊组中光辊内设有电加热管及温度传感器,电加热管温度大小的设定受控于温度传感器采集的温度数据及PLC控制器。所述复合成型辊组中的复合辊内设有电加热管及温度传感器,电加热管温度大小的设定受控于温度传感器采集的温度数据及PLC控制器。
实施例7:所述复合成型辊组中复合辊辊面开有凹凸匹配啮合结构7-1和7-2。所述复合成型辊组中的复合辊辊面分别涂有一层耐高温防粘弹性纳米涂层。
实施例8:在实施例的基础上,一种弹性透气打孔医用绷带生产线制作方法,弹性高分子树脂粒子经弹性高分子树脂流延模头流延成弹性膜,弹性膜经由弹性透气流延模成型辊组2-1和2-2导出后形成膜面布有很多透气孔的弹性透气膜4,弹性透气膜4经多对弹性透气膜拉伸辊组的S形拉伸后且在弹性透气膜面的透气孔被拉大后与在其两面的底层无纺布8和面层无纺布6同时进入复合成型辊组7-1和7-2热压复合成型导出后,复合无纺布打孔装置10打孔后,位于弹性透气膜4两面的面层无纺布6和底层无纺布8随弹性透气膜4的回弹复位形成折绉面弹性打孔绷带11。所述弹性透气膜的拉伸率为50%~500%。
例1:参照附图2和3。一种弹性透气打孔医用绷带,包括无纺布,弹性膜22的膜面有很多透气孔24,带有很多透气孔24的弹性膜22在拉伸状态下,其弹性膜22两面分别与面层无纺布21和底层无纺布23热压复合后回弹构成弹性透气打孔医用绷带,弹性透气打孔医用绷带布开有很多通孔27。所述弹性膜为弹性打孔透气膜,或弹性透气膜,所述弹性透气膜是由有机成份与无机成份构成的弹性膜在拉伸状态下形成。所述弹性透气膜的拉伸率在50%-500%之间且包括端值。
所述底层无纺布23与弹性打孔透气膜22中的凸台口25部复合而成,且底层无纺布面与弹性膜之间形成多路且路路相通的中空多点支撑空间26。
需要理解到的是:上述实施例虽然对本发明的设计思路作了比较详细的文字描述,但是这些文字描述,只是对本发明设计思路的简单文字描述,而不是对本发明设计思路的限制,任何不超出本发明设计思路的组合、增加或修改,均落入本发明的保护范围内。
Claims (15)
1.一种弹性透气打孔医用绷带生产线,包括PLC控制器(9),其特征是:弹性高分子树脂流延模头(1)下方为弹性透气流延模成型辊组(2-1,2-2),多对弹性透气膜拉伸辊组(3-1,3-2)横向依次分布在弹性透气流延模成型辊组一侧,复合成型辊组(7-1,7-2)横向位于多对弹性透气膜拉伸辊组中末端弹性透气膜拉伸辊组(3-1,3-2)一侧,复合无纺布打孔装置(10)位于复合成型辊组(7-1,7-2)一侧。
2.根据权利要求1所述的弹性透气打孔医用绷带生产线,其特征是:所述弹性透气流延模成型辊组(2-1,2-2)由光辊(2-1)和凸刀辊(2-2)构成;光辊(2-1)面为刚性且凸刀辊(2-2)中的凸形刀齿面与光辊(2-1)的面刚性相触;或弹性透气流延膜成型辊组为负压打孔流延膜成型辊组,或凹凸点打孔流延膜成型辊组且负压打孔流延膜成型辊组由光辊(2-1)和负压打孔辊(2-2)构成;负压打孔辊(2-2)的辊面布满负压抽吸口且负压抽吸口通过各自流道与负压打孔辊辊内的负压腔连通,负压腔通过连管与负压抽吸源连通。
3.根据权利要求1或2所述的弹性透气打孔医用绷带生产线,其特征是:所述光辊(2-1)辊面置有一层耐高温防粘纳米涂层。
4.根据权利要求1所述的弹性透气打孔医用绷带生产线,其特征是:所述弹性透气膜拉伸辊组由光辊(3-1)和胶辊(3-2)辊构成且光辊(3-1)和胶辊(3-2)辊面分别涂有一层耐高温防粘纳米涂层。
5.根据权利要求4所述的弹性透气打孔医用绷带生产线,其特征是:胶辊(3-2)辊面的耐高温防粘层纳米涂料层为弹性层。
6.根据权利要求1或5所述的弹性透气打孔医用绷带生产线,其特征是:所述光辊(3-1)和胶辊(3-2)内置有电加热管及温度传感器,电加热管温度大小的设定受控于温度传感器采集的温度数据及PLC控制器。
7.根据权利要求1或5所述的弹性透气打孔医用绷带生产线,其特征是:多对弹性透气膜拉伸辊组(3-1,3-2)中末辊组为温度控制辊组且温度控制辊组中光辊内设有电加热管及温度传感器,电加热管温度大小的设定受控于温度传感器采集的温度数据及PLC控制器。
8.根据权利要求1所述的弹性透气打孔医用绷带生产线,其特征是:所述复合成型辊组中复合辊辊面开有凹凸匹配啮合结构(7-1)和(7-2)。
9.根据权利要求1或8所述的弹性透气打孔医用绷带生产线,其特征是:所述复合成型辊组中的复合辊辊面分别涂有一层耐高温防粘弹性纳米涂层。
10.根据权利要求8所述的弹性透气打孔医用绷带生产线,其特征是:所述复合成型辊组中的复合辊内设有电加热管及温度传感器,电加热管温度大小的设定受控于温度传感器采集的温度数据及PLC控制器。
11.根据权利要求1所述的弹性透气打孔医用绷带生产线,其特征是:所述弹性透气流延模成型辊组(2-1,2-2)和弹性透气膜拉伸辊组(3-1,3-2)上设有转速传感器且转速传感器的转速差受控于PLC控制器。
12.根据权利要求1所述的弹性透气打孔医用绷带生产线,其特征是:所述PLC控制器内置有弹性透气膜拉伸率与弹性透气膜拉伸辊组(3-1,3-2)转速相对应的检测控制软件包。
13.根据权利要求1所述的弹性透气打孔医用绷带生产线,其特征是:所述PLC控制器内置有弹性透气膜热压粘接温度参数且通过对弹性透气膜拉伸辊组温度比对,控制弹性透气膜拉伸辊组的温度在弹性透气膜热压粘接温度的范围内变化。
14.一种弹性透气打孔医用绷带生产线制作方法,其特征是:弹性高分子树脂粒子经弹性高分子树脂流延模头流延成弹性膜,弹性膜经由弹性透气流延模成型辊组(2-1,2-2)导出后形成膜面布有很多透气孔的弹性透气膜(4),弹性透气膜(4)经多对弹性透气膜拉伸辊组的S形拉伸后且在弹性透气膜面的透气孔被拉大后与在其两面的底层无纺布(8)和面层无纺布(6)同时进入复合成型辊组(7-1,7-2)热压复合成型导出后,复合无纺布打孔装置(10)打孔后,位于弹性透气膜(4)两面的面层无纺布(6)和底层无纺布(8)随弹性透气膜(4)的回弹复位形成折绉面弹性打孔绷带。
15.根据权利要求14所述的弹性透气打孔医用绷带生产线制作方法,其特征是:所述弹性透气膜的拉伸率为50%~500%。
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