CN203110349U - 高速导流网 - Google Patents

高速导流网 Download PDF

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CN203110349U
CN203110349U CN 201320086727 CN201320086727U CN203110349U CN 203110349 U CN203110349 U CN 203110349U CN 201320086727 CN201320086727 CN 201320086727 CN 201320086727 U CN201320086727 U CN 201320086727U CN 203110349 U CN203110349 U CN 203110349U
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stream guidance
water conservancy
conservancy diversion
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范爱荣
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Zhejiang Youwei New Materials Co ltd
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JIAXING YOUWEI COMPOSITE MATERIALS CO Ltd
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Abstract

本实用新型提供一种菱形状高速导流网,由横向导流线和竖向导流线交叉构成,横向导流线和竖向导流线之间具有交叉点,其特征在于:所述横向导流线和竖向导流线的直径相同,相邻交叉点间任意导流线段的直径从该线段的中间点至相应的交叉点逐渐变大。所述交叉点的直径为0.6-1mm,导流线段中间点的直径为0.25-0.6mm。在横向导流线和竖向导流线外壁上均附有一塑料熔体层。该导流网能加快树脂导流且节省原材料的导流网,同时还能减少树脂的粘附,减少树脂的浪费,降低生产成本。

Description

高速导流网
技术领域
本实用新型涉及一种树脂引流介质,特别涉及一种高速导流网。 
背景技术
导流网是一种成本适中的树脂引流介质,广泛应用于真空灌注成型工艺。它可以使树脂均匀快速渗透到制件的任何部位。其中导流网的制备多采用两种方法,一、挤压方式制备导流网,即将塑料熔体置于模具中一体成型形成导流网;二、编织方式制备导流网,即用多股导流线编织形成导流网。经试验证明,挤压导流网与编织导流网相比,工人易于平铺,不易卷曲,其导流速度快于编制网状导流网,且树脂残留量少,可以节约成本,降低劳动强度,且导流网可以随意裁剪,适合不同形状的制品,消耗低,经济性好。 
但现有技术的挤压导流网结构为两粗三细的导流线交叉构成,即横向导流线和竖向导流线的直径是不相同的,横向导流线和竖向导流线相交点构成交叉点,相邻交叉点间的任意导流线段的直径在该相邻交叉点间是相同的,即直径不发生变化,这样在树脂导流过程中,树脂的速度会逐渐减慢。而且现有技术中由于粗线的直径较粗,通常大于1mm,会粘附大量的树脂,造成浪费,而且导流线越粗对树脂的流动的阻碍作用越大,且粗线的使用使导流网的成本较高。 
发明内容
本实用新型提供一种高速导流网,目的是解决现有技术问题,提供一种能 能加快树脂导流且节省原材料的挤压导流网,该导流网同时还能减少树脂的粘附,减少树脂的浪费,降低生产成本。 
本实用新型解决问题采用的技术方案是: 
高速导流网,该导流网为菱形状,由横向导流线和竖向导流线交叉构成的,横向导流线和竖向导流线之间具有交叉点,所述横向导流线和竖向导流线的直径相同,相邻交叉点间任意导流线段的直径从该线段的中间点至相应的交叉点逐渐变大。 
所述交叉点的直径为0.6-1mm,导流线段中间点的直径为0.25-0.6mm。 
本实用新型的有益效果:本实用新型中相邻交叉点间导流线段的直径是发生变化的,即从导流线段的中间点至相应交叉点,导流线段的直径是逐渐增大的,因此依据物理原理,树脂会从导流线段直径较大端向直径较小端流动,其导流速度加快,并且稳定。而且横向导流线和竖向导流线均采用直径为0.6-1mm的细线,大大的减少了制作导流网的用料成本。并且导流线变细,树脂粘住量少从而也减小了树脂浪费,降低生产成本。 
附图说明
图1是现有技术导流网的结构示意图; 
图2是本实用新型的结构示意图; 
图3是相邻交叉点间导流线段的结构示意图。 
图中:1.横向导流线、2.竖向导流线、3.交叉点、4.导流线段。 
具体实施方式
以下结合附图和具体实施例对本实用新型做进一步详细说明。 
如图2至图4中所示的菱形状高速导流网,由横向导流线1和竖向导流线2 交叉构成,横向导流线1和竖向导流线2之间具有交叉点3,所述横向导流线1和竖向导流线2的直径相同,相邻交叉点3间任意导流线段4的直径从该线段的中间点至相应的交叉点逐渐变大。 
该导流网为挤压导流网,其制备过程如下所述:经过专业的模具生产出横竖粗细一致并且交叉的网格状导流网,该导流网的横向导流线1和竖向导流线2的直径相同,由于横向导流线和竖向导流线采用塑料材料制成,刚成型的导流线其温度较高,导流线还比较软,此时对导流网进行拉伸并快速水冷却,使其导流线变细变长,但是交叉点不变。拉伸过程中,相邻交叉点间的导流线端从该线段中间点至交叉点间其直径逐渐增大,交叉点的直径是最大的,而线段中间点直径最小。 
由于本实施中菱形状导流网采用直径为0.6-1mm的横向导流线1和竖向导流线2交叉构成,因此本实施例中的交叉点3的直径为0.6-1mm。为保证树脂的高速导流,减少对树脂导流时的阻力,导流线段中间点的直径为0.25-0.6mm。 
该高速导流网中相邻交叉点间导流线段4的直径是发生变化的,即从导流线段的中间点至相应交叉点,导流线段的直径是逐渐增大的,因此依据物理原理,树脂会从导流线段直径较大端向直径较小端流动,其导流速度加快,并且稳定。而且横向导流线和竖向导流线均采用直径较小的线,大大的减少了制作导流网的用料成本,经实践,可减少30%的用料成本。并且导流线变细,树脂粘住量少,从而也减小了树脂浪费,降低生产成本。 

Claims (2)

1.高速导流网,其形状为菱形,由横向导流线和竖向导流线交叉构成,横向导流线和竖向导流线之间具有交叉点,其特征在于:所述横向导流线和竖向导流线的直径相同,且相邻交叉点间任意导流线段的直径从该线段的中间点至相应的交叉点逐渐变大。
2.如权利要求1中所述的高速导流网,其特征在于:所述交叉点的直径为0.6-1mm,导流线段中间点的直径为0.25-0.6mm。
CN 201320086727 2013-02-26 2013-02-26 高速导流网 Expired - Lifetime CN203110349U (zh)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108176235A (zh) * 2018-01-19 2018-06-19 南京工业大学 一种新构型隔网
CN108458850A (zh) * 2018-04-04 2018-08-28 泰山学院 一种用于风蚀设备测试的小型风洞
CN108712951A (zh) * 2016-04-07 2018-10-26 三菱重工业株式会社 复合材料的制造方法

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108712951A (zh) * 2016-04-07 2018-10-26 三菱重工业株式会社 复合材料的制造方法
CN108712951B (zh) * 2016-04-07 2020-11-17 三菱重工业株式会社 复合材料的制造方法
CN108176235A (zh) * 2018-01-19 2018-06-19 南京工业大学 一种新构型隔网
CN108458850A (zh) * 2018-04-04 2018-08-28 泰山学院 一种用于风蚀设备测试的小型风洞

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