CN110911033B - 一种光电混合缆的生产工艺 - Google Patents
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Abstract
本发明公开了一种光电混合缆的生产工艺,包括如下步骤:1)十字骨架注塑工序;2)光纤固定工序;3)纤膏涂覆工序;4)注塑工序;5)拱形的自粘涂覆部加工工序:注塑形成剖面半圆形的透明的自粘涂覆部;然后削切成拱形;6)导电线束安装工序:将导电线束粘附在拱形的自粘涂覆部的弓腹处;7)气体胶囊安装工序:将内部装有分子筛的条状气体胶囊的柔性面和刚性面分别涂覆黏胶,然后将涂覆有黏胶的柔性面挤压并粘附在导电线束上,将涂有黏胶的刚性面粘附在混合缆芯件上;8)阻燃自粘涂覆胶层注塑工序。本发明生产的光电混合缆提高了隐形光电混合缆的抗拉能力,通过在第一护套与第二护套之间设置气体胶囊,其提高了整体的抗弯曲性能,提高了阻燃性能。
Description
技术领域
本发明涉及光缆生产领域,具体涉及一种光电混合缆的生产工艺。
背景技术
现有的隐形光缆基本为单根光纤外包覆透明的自粘涂覆胶,其存在抗拉能力差,抗弯曲能力、阻燃性能也较差的缺陷;而且只能传输光信号,功能单一。
发明内容
本发明针对上述问题,提出了一种光电混合缆的生产工艺,解决了现有隐形光缆其存在抗拉能力差,抗弯曲能力、阻燃性能也较差、且只能传输光信号,功能单一的缺陷。
本发明采取的技术方案如下:
一种光电混合缆的生产工艺,包括如下步骤:
1)十字骨架注塑工序:利用注塑成型的方法制成具有多个凹槽的十字骨架;
2)光纤固定工序:光纤一侧涂覆黏胶,然后将光纤分别粘附在十字骨架中,形成光纤芯件;
3)纤膏涂覆工序:将光纤芯件从纤膏容器中穿过,使得纤膏涂覆在光纤芯件上;
4)注塑工序:在涂覆有纤膏的光纤束芯件的外表面注塑覆盖透明的第二护套,得到混合缆芯件;
5)拱形的自粘涂覆部加工工序:注塑形成剖面半圆形的透明的自粘涂覆部;然后削切成拱形;
6)导电线束安装工序:将灰白色的导电线束粘附在拱形的自粘涂覆部的弓腹处;
7)气体胶囊安装工序:将内部装有分子筛的条状气体胶囊的柔性面和刚性面分别涂覆黏胶,然后将涂覆有黏胶的柔性面挤压并粘附在导电线束上,将涂有黏胶的刚性面粘附在混合缆芯件上;
8)阻燃自粘涂覆胶层注塑工序:将固定的条状气体胶囊的芯件外表面注塑形成透明的阻燃自粘涂覆胶层。
本发明生产的光电混合缆通过采用透明的阻燃自粘涂覆胶层、透明的自粘涂覆胶部、透明的第一护套、第二护套和灰白色的导电线束,使得充分地融入其与室内装修中的背景色中,不会影响室内装修的美感。本发明通过导电线束与光纤组合在一起,可以同时传输光信号和电信号;其导电线束分置于光纤的两侧,提高了隐形光电混合缆的抗拉能力,通过在第一护套与第二护套之间设置气体胶囊,其提高了整体的抗弯曲性能,避免分置在两侧的导电线束相对于光纤发生扭动错位;同时单独设置自粘涂覆胶部,通过加热熔融自粘涂覆胶部,使其整根隐形光电混合缆粘附固定在墙面上,通过在涂覆胶层中加入阻燃剂,提高了阻燃性能,同时气体胶囊内填充有氮气,提高了光电混合缆的柔韧性,增强了缓冲性能。
可选的,所述步骤7)中黏胶为自粘涂覆胶。
可选的,所述光纤位于十字骨架的四个交叉点处。
可选的,所述导电线束外表面注塑有透明的第一护套。
可选的,所述阻燃自粘涂覆胶层由阻燃涂覆胶制成,其阻燃涂覆胶包括乙烯-丙烯酸乙酯共聚物40%~45%;萜烯树脂11%~15%、合成蜡或石油衍生蜡25%~30%和阻燃剂。
可选的,还包括光电混合缆挤压工序,光电混合缆挤压工序为:挤压注塑形成的未冷却的阻燃自粘涂覆胶层,使得阻燃自粘涂覆胶层形成椭圆形。
可选的,所述自粘涂覆胶部的弓背部的厚度最大,并向两侧端部逐渐收敛。本发明设置“自粘涂覆胶部的弓背部的厚度最大,并向两侧端部逐渐收敛”,其方便沿述自粘涂覆胶部的外侧边缘剥开光电混合缆,便于安装装接头。
(三)有益效果
1、本发明生产的光电混合缆,其通过导电线束与光纤组合在一起,可以同时传输光信号和电信号;其导电线束分置于光纤的两侧,提高了隐形光电混合缆的抗拉能力,通过在第一护套与第二护套之间设置气体胶囊,其提高了整体的抗弯曲性能,避免了分置于光纤两侧的导电线束相对于光纤发生扭动错位;同时单独设置自粘涂覆胶部,通过加热熔融自粘涂覆胶部,使其整根隐形光电混合缆粘附固定在墙面上,通过在涂覆胶层中加入阻燃剂,提高了阻燃性能,同时气体胶囊内填充有氮气,提高了光电混合缆的柔韧性,增强了缓冲性能。
2、本发明生产的光电混合缆通过采用透明的阻燃自粘涂覆胶层、透明的自粘涂覆胶部、透明的第一护套、第二护套和灰白色的导电线束,使得充分地融入其与室内装修中的背景色中,避免了影响室内装修的美感。
3、本发明生产的光电混合缆在条状气体胶囊内填充有分子筛,其保证气体干燥,防止水分穿过条状气体胶囊接触光纤。
4、本发明生产的光电混合缆的气体胶囊抵住自粘涂覆胶部的一侧为柔性面,其被挤压形成凹面包裹导电线束,进一步限制导电线束相对光纤扭动错位。
5、本发明生产的光电混合缆设置“自粘涂覆胶部的弓背部的厚度最大,并向两侧端部逐渐收敛”,其方便沿述自粘涂覆胶部的外侧边缘剥开光电混合缆,便于安装装接头。
附图说明:
图1是本发明的实施例1光电混合缆的生产工艺的流程图;
图2是本发明的实施例1和2光电混合缆剖面结构图。
图中各附图标记为:
1、混合缆芯件,2、阻燃自粘涂覆胶层,3、光纤,4、第二护套,5、支撑骨架,6、自粘涂覆胶部,7、导电线束,8、第一护套,9、条状气体胶囊,10、分子筛,11、柔性面,12、刚性面。
具体实施方式:
下面结合各附图,对本发明做详细描述。
实施例一:如图1和图2所示,本发明还公开了一种光电混合缆的生产工艺,包括以下步骤:
1)十字骨架注塑工序:利用注塑成型的方法制成具有多个凹槽的十字骨架5;
2)光纤固定工序:在光纤3一侧涂覆黏胶,然后将光纤分别粘附在十字骨架中,形成光纤芯件;
3)纤膏涂覆工序:将光纤芯件从纤膏容器中穿过,使得纤膏涂覆在光纤芯件上;
4)注塑工序:在涂覆有纤膏的光纤束芯件的外表面注塑覆盖透明的第二护套4,得到混合缆芯件1;
5)拱形的自粘涂覆部加工工序:注塑形成剖面半圆形的自粘涂覆部6;然后削切成拱形;
6)导电线束安装工序:将导电线束7粘附在拱形的自粘涂覆部的弓腹处;所述导电线束外表面注塑有透明的第一护套8;
7)气体胶囊安装工序:将内部装有分子筛10的条状气体胶囊9的柔性面11和刚性面12分别涂覆黏胶,然后将涂覆有黏胶的柔性面挤压并粘附在导电线束上,将涂有黏胶的刚性面粘附在混合缆芯件上;
8)阻燃自粘涂覆胶层注塑工序;将固定的条状气体胶囊的芯件外表面注塑形成阻燃自粘涂覆胶层2;
9)光电混合缆挤压工序:挤压注塑形成的未冷却的阻燃自粘涂覆胶层,使得阻燃自粘涂覆胶层形成椭圆形。
实施例二:如图1所示,一种光电混合缆,包括:圆形的混合缆芯件1和透明的阻燃自粘涂覆胶层2,所述混合缆芯件包括多根光纤3、透明的第二护套4和固定在第二护套内的支撑骨架5,多根光纤固定在支撑骨架中;所述阻燃自粘涂覆胶层包裹在混合缆芯件外表面,并使得光电混合缆的剖面为椭圆形;所述阻燃自粘涂覆胶层的厚度最小的两端分别设有向外凸出的形成的拱形的透明的自粘涂覆胶部6;所述自粘涂覆胶部的弓腹部安装有灰白色的导电线束7,所述导电线束外表面包裹有透明的第一护套8;所述导电线束内侧设有填充有氮气的条状气体胶囊9;所述条状气体胶囊一侧抵住导电线束,另一侧抵住混合缆芯件。所述条状气体胶囊内还填充有分子筛10。
所述气体胶囊抵住导电线束的一侧为柔性面11,该柔性面挤压导电线束形成与导电线束的外表面相适配的凹面。所述气体胶囊抵住混合缆芯件的另一侧为硬度较大的刚性面12。所述混合缆芯件内敷设有纤膏。所述自粘涂覆胶部的弓背部的厚度最大,并向两侧端部逐渐收敛。本发明通过导电线束与光纤组合在一起,可以同时传输光信号和电信号;其导电线束分置于光纤的两侧,提高了隐形光电混合缆的抗拉能力,通过在第一护套与第二护套之间设置气体胶囊,其提高了整体的抗弯曲性能,避免分置于光纤两侧的导电线束相对于光纤发生扭动错位;同时单独设置自粘涂覆胶部,通过加热熔融自粘涂覆胶部,使其整根隐形光电混合缆粘附固定在墙面上,通过在涂覆胶层中加入阻燃剂,提高了阻燃性能,同时气体胶囊内填充有氮气,提高了光电混合缆的柔韧性,增强了缓冲性能。
本发明生产的光电混合缆设置“自粘涂覆胶部的弓背部的厚度最大,并向两侧端部逐渐收敛”,其方便沿所述自粘涂覆胶部的外侧边缘剥开光电混合缆,便于安装装接头。所述阻燃自粘涂覆胶层由添加有阻燃剂的自粘涂覆胶注塑形成。本发明的阻燃剂可采用市面上的阻燃材料。
本实施例实施时,安装时剪断光电混合缆,使用时采用热熔枪熔融自粘涂覆胶部,粘附在墙壁上;同时可沿自粘涂覆胶部向下延伸,撕开光电混合缆。
以上所述仅为本发明的优选实施例,并非因此即限制本发明的专利保护范围,凡是运用本发明说明书及附图内容所作的等效结构变换,直接或间接运用在其他相关的技术领域,均同理包括在本发明的保护范围内。
Claims (7)
1.一种光电混合缆的生产工艺,其特征在于,包括以下步骤:
1)十字骨架注塑工序:利用注塑成型的方法制成具有多个凹槽的十字骨架;
2)光纤固定工序:在光纤一侧涂覆黏胶,然后将光纤分别粘附在十字骨架中,形成光纤芯件;
3)纤膏涂覆工序:将光纤芯件从纤膏容器中穿过,使得纤膏涂覆在光纤芯件上;
4)注塑工序:在涂覆有纤膏的光纤束芯件的外表面注塑覆盖透明的第二护套,得到混合缆芯件;
5)拱形的自粘涂覆部加工工序:注塑形成剖面半圆形的透明的自粘涂覆部;然后削切成拱形;
6)导电线束安装工序:将灰白色的导电线束粘附在拱形的自粘涂覆部的弓腹处;
7)气体胶囊安装工序:将内部装有分子筛的条状气体胶囊的柔性面和刚性面分别涂覆黏胶,然后将涂覆有黏胶的柔性面挤压并粘附在导电线束上,将涂有黏胶的刚性面粘附在混合缆芯件上;
8)阻燃自粘涂覆胶层注塑工序:将固定的条状气体胶囊的芯件外表面注塑形成阻燃自粘涂覆胶层。
2.如权利要求1所述的光电混合缆的生产工艺,其特征在于,所述步骤7)中黏胶为自粘涂覆胶。
3.如权利要求1所述的光电混合缆的生产工艺,其特征在于,所述光纤位于十字骨架的四个交叉点处。
4.如权利要求1所述的光电混合缆的生产工艺,其特征在于,所述导电线束外表面注塑有透明的第一护套。
5.如权利要求1或2或3或4所述的光电混合缆的生产工艺,其特征在于,所述阻燃自粘涂覆胶层由阻燃涂覆胶制成,其阻燃涂覆胶包括乙烯-丙烯酸乙酯共聚物40%~45%;萜烯树脂11%~15%、合成蜡或石油衍生蜡 25%~30%。
6.如权利要求1或2或3或4所述的光电混合缆的生产工艺,其特征在于,还包括光电混合缆挤压工序,光电混合缆挤压工序为:挤压注塑形成的未冷却的阻燃自粘涂覆胶层,使得阻燃自粘涂覆胶层形成椭圆形。
7.如权利要求1或2或3或4所述的光电混合缆的生产工艺,其特征在于,所述自粘涂覆部的弓背部的厚度最大,并向两侧端部逐渐收敛。
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