CN109551774B - 一种仿热缩管绳子拉手及其加工工艺 - Google Patents
一种仿热缩管绳子拉手及其加工工艺 Download PDFInfo
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Abstract
本发明公开了一种仿热缩管绳子拉手及其加工工艺,涉及服饰辅料领域,旨在解决传统绳结形状的拉手需要先将绳子打结再套设热缩管,工艺复杂的问题,其技术方案要点是:包括环形的拉绳,所述拉绳两端连接处连接有注塑体,所述注塑体表面设有呈绳结轮廓形状的凸起。本发明的一种仿热缩管绳子拉手及其加工工艺,能够在拉绳端部直接注塑出绳结的形状,与传统的先在拉绳端部打结后套热缩管的方法相比,不仅能够达到近乎一致的形状效果,而且缩减了工艺步骤,达到了简化工艺的效果。
Description
技术领域
本发明涉及服饰辅料的技术领域,尤其是涉及一种仿热缩管绳子拉手及其加工工艺。
背景技术
注塑拉头是一种广泛应用于服饰、箱包等领域的辅料产品,其由两部分组成,包括拉绳和注塑体。
现有的拉手样式多变,其中包括如图1所示的一种拉手,包括拉绳1,拉绳1的两端并齐并打结,之后在拉绳打结的一端套设热缩管2,对热缩管2进行加热,从而使得热缩管2包覆在拉绳打结的一端,且由于绳结占有一定的空间,使得热缩管2外壁形成绳结轮廓的形状,由于在拉绳一端打结需要人工操作,不仅浪费人力,而且工艺比较繁琐复杂,绳结大小不易控制。
发明内容
针对现有技术存在的不足,本发明的目的在于提供一种仿热缩管绳子拉手,具有简化工艺步骤的优点。
本发明的上述发明目的是通过以下技术方案得以实现的:
一种仿热缩管绳子拉手,包括环形的拉绳,所述拉绳两端连接处连接有注塑体,所述注塑体表面设有呈绳结轮廓形状的凸起。
通过采用上述技术方案,在拉绳端部直接注塑出绳结的形状,与传统的先在拉绳端部打结后套热缩管的方法相比,能够达到非常相似的形状效果,在形状上近乎一致,且缩减了工艺步骤,达到了简化工艺的效果。
本发明同时提供一种仿热缩管绳子拉手的加工工艺,包括如下步骤:
S1:制模及准备,按照绳头打结的形状制作模具,并将拉绳裁切成均等长度的绳段;
S2:将拉绳两端并齐伸入模具的模腔中,通过注塑机向模腔中注入TPU液体;
S3:冷却脱模。
通过采用上述技术方案,首先按照绳结的形状开制模具,将拉绳的端部伸入型腔内,之后向型腔内注塑TPU,从而直接将TPU注塑到拉绳端部,不需要在拉绳端部打结处理,节省了打结工序,并且注塑出来的注塑体仍然具有绳结轮廓形状的凸起,既能满足外观的一致性,又能增大拿捏时的摩擦力,防止打滑。
本发明进一步设置为:步骤S2中,注塑温度一段为210度,二段为208度,三段为212度。
通过采用上述技术方案,通过将注塑温度分为三段,分别为210度、208度、212度,从而达到最佳的注塑效果。
本发明进一步设置为:步骤S2中注塑压力为36帕,注塑时间为18秒。
通过采用上述技术方案,通过调整注塑压力以及注塑时间,从而达到最佳的注塑效果。
本发明进一步设置为:步骤S2中保压压力为32帕,保压时间为8秒。
通过采用上述技术方案,注塑完成后,以32帕的压力保压8秒,从而达到最好的定型效果。
本发明进一步设置为:步骤S3中冷却时间为10秒。
通过采用上述技术方案,使得注塑完成的产品能够完全冷却便于后续脱膜。
本发明进一步设置为:步骤S1中,模具包括下模和上模,所述上模和下模开设有型腔,所述型腔呈绳结状开设,所述型腔一侧开设有主流道,主流道一端连接有浇筑口,另一端连接于若干个型腔,且在型腔另一侧开设有供绳子伸入的安装槽,所述安装槽内设置有用于使得伸入型腔内的绳子固定的卡接组件。
通过采用上述技术方案,型腔用于注入TPU,首先将拉绳的两端并齐放入安装槽内,使得拉绳的端部部分伸入型腔内,呈圆环形的部分露在外部,将上模和下模盖合后,向型腔内注入TPU,使得TPU液体和拉绳伸入型腔的部分充分粘合,待TPU冷却凝固后形成固体的产品,通过将注塑体和拉绳直接一体注塑,从而使得连接更为牢固;并且当上模与下模盖合后,触动卡接组件将拉绳卡接牢固,一方面保持拉绳的稳定,另一方面还可以对拉绳与安装槽的衔接处实现密封,避免注塑液漏出。
本发明进一步设置为:所述卡接组件包括卡接槽,所述卡接槽分别开设于上模和下模上的安装槽内壁,所述卡接槽内设置有呈弧形的卡接片,所述卡接片一端铰接于卡接槽内壁,另一端转动连接有用于驱动卡接片转动的驱动组件。
通过采用上述技术方案,当上模和下模盖合时,驱动组件受到压力,并驱动卡接片朝向拉绳方向转动,从而对拉绳进行收紧卡接,并且位于上模上的卡接片与位于下模上的卡接片同时向拉绳方向收紧,从而实现对拉绳的固定。
本发明进一步设置为:所述驱动组件包括竖直开设于下模或上模并连通于卡接槽的导向槽,所述导向槽内滑动穿设有导向杆,所述卡接槽内转动连接有驱动杆,所述驱动杆的中部铰接于卡接槽内壁,所述驱动杆一端活动连接于导向杆,另一端活动连接于卡接片。
通过采用上述技术方案,导向杆能够沿导向槽实现上下滑动,当位于下模上的导向杆受到上模的压力向下移动时,导向杆能够带动驱动杆转动,利用杠杆原理,驱动杆推动卡接片向朝向拉绳的方向转动,从而将拉绳收紧密封。
本发明进一步设置为:开设于上模和下模的卡接槽相对设置,且能组成完整的圆形槽,合模时,卡接片沿组成的圆形槽转动。
通过采用上述技术方案,当上模和下模盖合时,位于上模的卡接槽与位于下模的卡接槽相互拼接形成圆形槽,且上模的驱动组件与下模的驱动组件位置相反,分别位于圆形槽的两侧,这样当上模向下盖合时,上模的下表面推动位于下模的导向杆向下移动,下模的上表面推动位于上模的导向杆向上移动,两个导向杆分别推动对应的两个卡接片同时朝向拉绳方向转动并卡紧,并且位于下模上的卡接片的转动端能够向上转动至伸入位于上模的卡接槽内,位于上模上的卡接片的转动端能够向下转动至伸入位于下模的卡接槽内,从而避免产生运动干涉。
综上所述,本发明的有益技术效果为:
1.在拉绳端部直接注塑出绳结的形状,与传统的先在拉绳端部打结后套热缩管的方法相比,能够达到非常相似的形状效果,在形状上近乎一致,且缩减了工艺步骤,达到了简化工艺的效果;
2.按照绳结的形状开制模具,将拉绳的端部伸入型腔内,之后向型腔内注塑TPU,从而直接将TPU注塑到拉绳端部,不需要在拉绳端部打结处理,节省了打结工序,并且注塑出来的注塑体仍然具有绳结轮廓形状的凸起,既能满足外观的一致性,又能增大拿捏时的摩擦力,防止打滑。
附图说明
图1是本发明的背景技术部分结构示意图。
图2是本发明的实施例一的结构示意图。
图3是本发明的实施例二的结构示意图。
图4是本发明的下模结构示意图。
图5是本发明模具的剖视图。
图中,1、拉绳;2、热缩管;3、注塑体;4、凸起;5、下模;6、上模;7、型腔;8、主流道;9、浇筑口;10、安装槽;11、卡接组件;12、卡接槽;13、卡接片;14、驱动组件;15、导向槽;16、导向杆;17、驱动杆。
具体实施方式
以下结合附图对本发明作进一步详细说明。
实施例一
参照图2,为本发明公开的一种仿热缩管绳子拉手,包括弯折成环形的拉绳1,在拉绳1两端连接处注塑有注塑体3,注塑体3的表面设有呈绳结轮廓形状的凸起4。这样在拉绳1端部直接注塑出绳结的形状,与传统的先在拉绳1端部打结后套热缩管2的方法相比,能够达到非常相似的形状效果,在形状上近乎一致,且缩减了工艺步骤,达到了简化工艺的效果。
实施例二
参照图3,为本发明公开的一种仿热缩管绳子拉手的加工工艺,包括如下步骤:
S1:制模及准备,按照绳头打结的形状制作模具,并将拉绳1裁切成均等长度的绳段;
S2:将拉绳1两端并齐伸入模具的模腔中,通过注塑机向模腔中注入TPU液体,注塑温度一段为210度,二段为208度,三段为212度,注塑压力为36帕,注塑时间为18秒,保压压力为32帕,保压时间为8秒,通过调整注塑压力以及注塑时间,从而达到最佳的注塑效果;
S3:冷却脱模,冷却时间为10秒,使得注塑完成的产品能够完全冷却便于后续脱膜。
首先按照绳结的形状开制模具,将拉绳1的端部伸入型腔7内,之后向型腔7内注塑TPU,从而直接将TPU注塑到拉绳1端部,不需要在拉绳1端部打结处理,节省了打结工序,并且注塑出来的注塑体3仍然具有绳结轮廓形状的凸起4,既能满足外观的一致性,又能增大拿捏时的摩擦力,防止打滑。
参照图4和图5,模具包括下模5和上模6,上模6和下模5中部开设有型腔7,型腔7呈绳结状开设,型腔7一侧开设有主流道8,主流道8一端连接有浇筑口9,另一端连接于若干个型腔7,且在型腔7另一侧开设有供绳子伸入的安装槽10,安装槽10内设置有用于使得伸入型腔7内的绳子固定的卡接组件11;型腔7用于注入TPU,首先将拉绳1的两端并齐放入安装槽10内,使得拉绳1的端部部分伸入型腔7内,呈圆环形的部分露在外部,将上模6和下模5盖合后,向型腔7内注入TPU,使得TPU液体和拉绳1伸入型腔7的部分充分粘合,待TPU冷却凝固后形成固体的产品,通过将注塑体3和拉绳1直接一体注塑,从而使得连接更为牢固;并且当上模6与下模5盖合后,触动卡接组件11将拉绳1卡接牢固,一方面保持拉绳1的稳定,另一方面还可以对拉绳1与安装槽10的衔接处实现密封,避免注塑液漏出。
如图5所示,卡接组件11包括卡接槽12,卡接槽12分别开设于上模6和下模5上的安装槽10内壁,卡接槽12内设置有呈弧形的卡接片13,卡接片13一端铰接于卡接槽12内壁,另一端转动连接有用于驱动卡接片13转动的驱动组件14;当上模6和下模5盖合时,驱动组件14受到压力,并驱动卡接片13朝向拉绳1方向转动,从而对拉绳1进行收紧卡接,并且位于上模6上的卡接片13与位于下模5上的卡接片13同时向拉绳1方向收紧,从而实现对拉绳1的固定。
如图5所示,驱动组件14包括竖直开设于下模5或上模6并连通于卡接槽12的导向槽15,导向槽15内滑动穿设有导向杆16,卡接槽12内通过转轴转动连接有驱动杆17,驱动杆17的中部铰接于卡接槽12内壁,驱动杆17一端活动连接于导向杆16,其实现方式是,导向杆16靠近驱动杆17的一端开设有T形滑槽,驱动杆17端部设置有滑动卡接在T形滑槽内的T形滑块,导向杆16的另一端活动连接于卡接片13,其实现方式是,卡接片13靠近驱动杆17的位置开设有T形滑槽,驱动杆17的端部呈T形滑块设置,并且驱动杆17的端部通过T形滑块滑动卡接于T形滑槽内;导向杆16能够沿导向槽15实现上下滑动,当位于下模5上的导向杆16受到上模6的压力向下移动时,导向杆16能够带动驱动杆17转动,利用杠杆原理,驱动杆17推动卡接片13向朝向拉绳1的方向转动,从而将拉绳1收紧密封。
如图5所示,开设于上模6和下模5的卡接槽12相对设置,且能组成完整的圆形槽,合模时,卡接片13沿组成的圆形槽转动;当上模6和下模5盖合时,位于上模6的卡接槽12与位于下模5的卡接槽12相互拼接形成圆形槽,且上模6的驱动组件14与下模5的驱动组件14位置相反,分别位于圆形槽的两侧,这样当上模6向下盖合时,上模6的下表面推动位于下模5的导向杆16向下移动,下模5的上表面推动位于上模6的导向杆16向上移动,两个导向杆16分别推动对应的两个卡接片13同时朝向拉绳1方向转动并卡紧,并且位于下模5上的卡接片13的转动端能够向上转动至伸入位于上模6的卡接槽12内,位于上模6上的卡接片13的转动端能够向下转动至伸入位于下模5的卡接槽12内,从而避免产生运动干涉。
本具体实施方式的实施例均为本发明的较佳实施例,并非依此限制本发明的保护范围,故:凡依本发明的结构、形状、原理所做的等效变化,均应涵盖于本发明的保护范围之内。
Claims (3)
1.一种仿热缩管绳子拉手的加工工艺,其特征在于:该绳子拉手包括环形的拉绳(1),所述拉绳(1)两端连接处连接有注塑体(3),所述注塑体(3)表面设有呈绳结轮廓形状的凸起(4);该工艺包括如下步骤:
S1:制模及准备,按照绳头打结的形状制作模具,并将拉绳(1)裁切成均等长度的绳段;
S2:将拉绳(1)两端并齐伸入模具的模腔中,通过注塑机向模腔中注入TPU液体;
S3:冷却脱模;
步骤S1中,模具包括下模(5)和上模(6),所述上模(6)和下模(5)开设有型腔(7),所述型腔(7)呈绳结状开设,所述型腔(7)一侧开设有主流道(8),主流道(8)一端连接有浇筑口(9),另一端连接于若干个型腔(7),且在型腔(7)另一侧开设有供绳子伸入的安装槽(10),所述安装槽(10)内设置有用于使得伸入型腔(7)内的绳子固定的卡接组件(11);所述卡接组件(11)包括卡接槽(12),所述卡接槽(12)分别开设于上模(6)和下模(5)上的安装槽(10)内壁,所述卡接槽(12)内设置有呈弧形的卡接片(13),所述卡接片(13)一端铰接于卡接槽(12)内壁,另一端转动连接有用于驱动卡接片(13)转动的驱动组件(14),导向杆(16)靠近驱动杆(17)的一端开设有T形滑槽,驱动杆(17)端部设置有滑动卡接在T形滑槽内的T形滑块;所述驱动组件(14)包括竖直开设于下模(5)或上模(6)并连通于卡接槽(12)的导向槽(15),所述导向槽(15)内滑动穿设有导向杆(16),所述卡接槽(12)内转动连接有驱动杆(17),所述驱动杆(17)的中部铰接于卡接槽(12)内壁,所述驱动杆(17)一端活动连接于导向杆(16),另一端活动连接于卡接片(13);开设于上模(6)和下模(5)的卡接槽(12)相对设置,且能组成完整的圆形槽,合模时,卡接片(13)沿组成的圆形槽转动。
2.根据权利要求1所述的一种仿热缩管绳子拉手的加工工艺,其特征在于:步骤S2中,注塑温度一段为210度,二段为208度,三段为212度。
3.根据权利要求1所述的一种仿热缩管绳子拉手的加工工艺,其特征在于:步骤S3中冷却时间为10秒。
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CN1982029A (zh) * | 2005-12-14 | 2007-06-20 | 赵利民 | 一种绳扣注塑方法 |
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CN1982029A (zh) * | 2005-12-14 | 2007-06-20 | 赵利民 | 一种绳扣注塑方法 |
CN204725783U (zh) * | 2015-07-03 | 2015-10-28 | 晋江市银鑫拉链织造有限公司 | 一种快速安放拉绳的注塑拉头模具 |
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