CN111731666A - 高分子全塑按压式真空喷头及其材料制备方法 - Google Patents

高分子全塑按压式真空喷头及其材料制备方法 Download PDF

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CN111731666A
CN111731666A CN202010546885.0A CN202010546885A CN111731666A CN 111731666 A CN111731666 A CN 111731666A CN 202010546885 A CN202010546885 A CN 202010546885A CN 111731666 A CN111731666 A CN 111731666A
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黄建艺
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Z&z Development Co ltd
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    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
    • B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
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    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
    • B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
    • B05B11/1001—Piston pumps
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    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
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    • B05B11/1042—Components or details
    • B05B11/1043—Sealing or attachment arrangements between pump and container
    • B05B11/1046—Sealing or attachment arrangements between pump and container the pump chamber being arranged substantially coaxially to the neck of the container
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    • B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
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    • B05B11/1042—Components or details
    • B05B11/1066—Pump inlet valves
    • B05B11/1067—Pump inlet valves actuated by pressure
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    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
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    • B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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    • B29C2945/00—Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
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    • B29C2945/00—Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
    • B29C2945/76—Measuring, controlling or regulating
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    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2945/00—Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
    • B29C2945/76—Measuring, controlling or regulating
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    • B29C2945/00—Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
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Abstract

本发明涉及一种高分子全塑按压式真空喷头及其材料制备方法，是针对现有同类产品的弹簧结构较难整体回收利用的技术问题而设计。该真空喷头的外罩内旋转圈处设有螺旋槽孔，大圈的销柱通过旋转圈的螺旋槽孔***外罩内壁的罩定位槽，泵芯组立扣合固定于大圈的中心孔，泵芯组立的阀杆外径设有弹簧；其要点所述弹簧为塑料弹簧，塑料弹簧的一端设有外套口，塑料弹簧的一端设有内套口，塑料弹簧的外套口与内套口之间设有波浪筒，塑料弹簧的外套口、内套口、波浪筒一体成型，塑料弹簧的两端分别与头帽、大圈相抵，即塑料弹簧的外套口外径与头帽内底部的筋槽内径套合，塑料弹簧的内套口圈口与大圈的大圈槽底部圈槽相抵，塑料弹簧位于大圈的大圈槽内。

Description

高分子全塑按压式真空喷头及其材料制备方法
技术领域
本发明涉及揿压式微型喷雾器的喷头，是一种高分子全塑按压式真空喷头及其材料制备方法。
背景技术
微型喷雾器的喷头是一种用于化妆品喷雾的塑料产品，其中揿压式微型喷雾器的喷头是一种通过头帽按压使用进行喷雾操作的喷头。其工作原理是：通过按压喷头的头帽运动造成瓶体内容积周期性地增大和缩小，使液体的压力增加，从而吸排瓶体内的液体。但目前市场上绝大多数乳液泵采用钢丝弹簧，钢丝弹簧在液体的浸泡下，难免发生化学反应，影响产品弹力性能，更使液体变质污染影响使用者的身体健康。且传统钢丝弹簧的喷头，回收时需要将金属弹簧拆分后才能回收，极其不利于回收，且回收成本高、工序复杂。现有钢丝弹簧的喷头，如中国专利文献刊载的申请号201910739479.3，申请公布日2019.12.20，发明名称“改进型泵芯及其环保高新材料制备方法”；现有塑料弹簧的真空泵，如中国专利文献刊载的申请号201520565501.4，授权公告日2015.12.23，实用新型名称“一种塑料弹簧真空泵”。但上述塑料弹簧与喷头两种结构结合的产品较少，同类产品较难采用全塑结构回收处理。
发明内容
为克服上述不足，本发明的目的是向本领域提供一种高分子全塑按压式真空喷头及其材料制备方法，使其解决现有同类产品中喷头结构欠佳，特别是喷头中的弹簧结构设计欠佳导致较难整体回收利用，以及材料制备方法有待改进的技术问题。其目的是通过如下技术方案实现的。
一种高分子全塑按压式真空喷头，该真空喷头的外罩内旋转圈处设有螺旋槽孔，大圈的中圈外径对称设有销柱，大圈的销柱通过旋转圈的螺旋槽孔***外罩内壁的罩定位槽，大圈的中圈上方中间设有大圈槽，大圈的大圈槽两侧圈筋对称设有开口的圈定位槽，泵芯组立扣合固定于大圈的中心孔，扣合固定处下方的泵芯组立外径设有垫片，泵芯组立的阀杆伸出大圈，并与头帽连接，泵芯组立的阀杆外径设有弹簧。其结构设计要点是所述弹簧为塑料弹簧，塑料弹簧的一端设有外套口，塑料弹簧的一端设有内套口，塑料弹簧的外套口与内套口之间设有波浪筒，塑料弹簧的外套口、内套口、波浪筒一体成型，塑料弹簧的两端分别与头帽、大圈相抵，即塑料弹簧的外套口外径与头帽内底部的筋槽内径套合，塑料弹簧的内套口圈口与大圈的大圈槽底部圈槽相抵，塑料弹簧位于大圈的大圈槽内。从而通过一体成型的塑料弹簧使该真空喷头整体得以回收利用，即该真空喷头仅通过对现有同类产品中阀杆外罩弹簧的结构改进，即可使金属弹簧替换为塑料弹簧并实现生产装配，同时塑料弹簧在头帽与大圈之间的固定结构牢固。
所述头帽的筋槽设置于头帽内底部的筋板，筋板两两对称设置呈十字形，头帽的出液孔两侧筋槽处内壁对称设有导向筋，头帽的导向筋***大圈的圈定位槽。上述结构便于塑料弹簧一端在头帽内的进一步固定，并头帽的生产成本较低，上下定位导向移动效果较好。
所述头帽底部外径的圈口位于大圈的导向槽上方，导向槽设置于大圈的大圈槽外侧，大圈的大圈槽槽口位于头帽的底部外径圈口内侧。上述结构进一步提高了头帽的定位导向移动，以及大圈内的防尘效果。
所述泵芯组立的泵体通过卡口扣合固定于大圈的中心孔，泵体的泵口与卡口的内槽孔扣合，泵体内的阀针一端钉头与阀杆的内筋孔扣合，扣合处的阀针外径设有活塞，阀杆的内筋孔内壁设有分流槽，阀杆套入卡口，活塞的外径与泵体的内壁滑动配合相抵密封，活塞顶部的外翻口套入阀杆底部的底槽孔，活塞的外翻口与阀杆的底槽孔内壁相抵滑动密封，阀杆的底槽孔呈弧形瓶口，即阀杆的分流槽处底槽孔为半圆孔，半圆孔下方的底槽孔为圆柱孔，泵体内的进水孔处设有弹套；卡口的顶部设有大气密圈，阀杆的顶部外径设有小气密圈，阀杆的小气密圈套入卡口的大气密圈内径。上述为一种泵芯组立的具体结构实施例。
所述阀杆的小气密圈与卡口的大气密圈之间设有辅助弹簧。上述辅助弹簧采用辅助塑料弹簧或小金属弹簧均可，辅助塑料弹簧为现有螺旋型弹簧或其他现有塑料弹簧结构。
所述大圈的中圈下方中间设有小圈槽，小圈槽内设有内螺纹，小圈槽的圈口低于旋转圈的圈口，泵体的弹套一侧孔口位于旋转圈的圈口内，旋转圈的圈口内径设有扣合圈，旋转圈的扣合圈直径小于上方的旋转圈内径，并设有限位台阶圈，旋转圈的扣合圈一侧设有对称设置的凸筋。上述结构便于大圈、旋转圈与内外瓶体结构连接，即外瓶的瓶口扣合固定于旋转圈的圈口，内瓶的瓶口螺纹螺钉与大圈的内螺纹。
所述大圈的外径与旋转圈的外径一体呈圆柱形，头帽的一侧设有凸起的喷嘴，喷嘴收入外罩顶部一侧的嘴槽内。上述结构便于大圈、旋转圈与瓶体构成圆柱形整体结构。
上述塑料弹簧采用高分子材料制成，所述高分子材料由下述组分制成：72-84份高密度聚乙烯、15-25份氢氧化铝、10-15份改性氧化石墨烯胶体、3-10份耐磨剂、2-10份硬度调节剂、0.5-2.5份抗氧剂、0.5-1.5份润滑剂、0.3-0.6份抗紫外光吸收剂、0.1-0.4份白油；所述耐磨剂为马来酸酐接枝超高分子聚乙烯和/或高分子聚硅氧烷；所述马来酸酐接枝超高分子聚乙烯的分子量为200-350万；所述硬度调节剂为磺酸酰胺类和/或尼龙酸酯类硬度调节剂；所述磺酸酰胺类硬度调节剂为对甲苯磺酸酰胺、N-乙基磺酸酰胺或N-丁基磺酸酰胺中的一种或几种；所述抗氧剂为抗氧剂A30、抗氧剂HS02、抗氧剂H3336或抗氧剂H10中的一种或几种；所述抗紫外光吸收剂为紫外光吸收剂UV320、紫外光吸收剂UV380或紫外光吸收剂UV670中的一种或几种；所述润滑剂为硅酮、EBS、芥酸酰胺或油酸酰胺中的一种或几种。
所述高分子材料的制备步骤如下：先将高密度聚乙烯和白油搅拌均匀，再加入氢氧化铝、改性氧化石墨烯胶体、耐磨剂、硬度调节剂、抗氧剂、抗紫外光吸收剂和润滑剂，混合搅拌后，加入双螺杆共混挤出机，共混挤出，切粒，得高分子材料；所述高密度聚乙烯和白油的搅拌速度为400-500rpm，时间为1-3min；所述混合搅拌的时间为2-6min；所述共混挤出的温度为190-230℃，转速为350-500rpm，真空度为0.08-0.05MPa；所述高分子材料的注射成型前，先将所述改性尼龙弹性体在100-120℃下，干燥4-6h；所述注射成型过程中，螺杆的加热温度为190-220℃，喷嘴的温度为240-260℃，注射的速度为35-65mm/s，注射的压力为50-70bar，成型的时间为30-80s。
本发明结构设计合理，密封性、稳定性、安全性好，雾状喷射效果好，生产、装配方便，材料制备方法可行；其适合作为液体日用化妆品的喷头使用，及其同类产品的结构改进。
附图说明
图1是本发明的剖视结构示意图。
图2是图1的头帽按压状态剖视结构示意图。
图3是本发明的泵芯组立剖视结构示意图，图中框定部分进行了放大。
图4是图3的立体结构示意图。
图5是本发明的头帽底部结构示意图。
图6是图5的剖视结构示意图。
图7是本发明的塑料弹簧立体结构示意图。
图8是图7的剖视结构示意图。
图9是图8的按压状态剖视结构示意图。
图10是本发明的大圈剖视结构示意图。
图11是图10的立体结构示意图。
附图序号及名称：1、头帽，101、筋槽，102、导向筋，2、塑料弹簧，201、外套口，202、内套口，203、波浪筒，3、大圈，301、圈槽，302、销柱，4、阀杆，5、卡口，6、活塞，7、阀针，8、弹套，9、泵体，10、垫片，11、外罩，12、旋转圈。
具体实施方式
现结合附图，对本发明结构作进一步描述。如图1-图11所示，该真空喷头的外罩11内旋转圈12处设有螺旋槽孔，大圈3的中圈外径对称设有销柱302，大圈的销柱通过旋转圈的螺旋槽孔***外罩内壁的罩定位槽，大圈的中圈上方中间设有大圈槽，大圈的大圈槽两侧圈筋对称设有开口的圈定位槽，泵芯组立扣合固定于大圈的中心孔，扣合固定处下方的泵芯组立外径设有垫片10，泵芯组立的阀杆4伸出大圈，并与头帽1连接，泵芯组立的阀杆外径设有弹簧。上述弹簧为塑料弹簧2，塑料弹簧的一端设有外套口201，塑料弹簧的一端设有内套口202，塑料弹簧的外套口与内套口之间设有波浪筒203，塑料弹簧的外套口、内套口、波浪筒一体成型，塑料弹簧的两端分别与头帽、大圈相抵，即塑料弹簧的外套口外径与头帽内底部的筋槽101内径套合，塑料弹簧的内套口圈口与大圈的大圈槽底部圈槽301相抵，塑料弹簧位于大圈的大圈槽内。上述头帽的筋槽设置于头帽内底部的筋板，筋板两两对称设置呈十字形，头帽的出液孔两侧筋槽处内壁对称设有导向筋102，头帽的导向筋***大圈的圈定位槽。头帽底部外径的圈口位于大圈的导向槽上方，导向槽设置于大圈的大圈槽外侧，大圈的大圈槽槽口位于头帽的底部外径圈口内侧。
同时，泵芯组立的泵体9通过卡口5扣合固定于大圈的中心孔，泵体的泵口与卡口的内槽孔扣合，泵体内的阀针7一端钉头与阀杆的内筋孔扣合，扣合处的阀针外径设有活塞6，阀杆的内筋孔内壁设有分流槽，阀杆套入卡口，活塞的外径与泵体的内壁滑动配合相抵密封，活塞顶部的外翻口套入阀杆底部的底槽孔，活塞的外翻口与阀杆的底槽孔内壁相抵滑动密封，阀杆的底槽孔呈弧形瓶口，即阀杆的分流槽处底槽孔为半圆孔，半圆孔下方的底槽孔为圆柱孔，泵体内的进水孔处设有弹套8；卡口的顶部设有大气密圈，阀杆的顶部外径设有小气密圈，阀杆的小气密圈套入卡口的大气密圈内径。大圈的中圈下方中间设有小圈槽，小圈槽内设有内螺纹，小圈槽的圈口低于旋转圈的圈口，泵体的弹套一侧孔口位于旋转圈的圈口内，旋转圈的圈口内径设有扣合圈，旋转圈的扣合圈直径小于上方的旋转圈内径，并设有限位台阶圈，旋转圈的扣合圈一侧设有对称设置的凸筋。上述大圈的外径与旋转圈的外径一体呈圆柱形，头帽的一侧设有凸起的喷嘴，喷嘴收入外罩顶部一侧的嘴槽内。根据上述结构特点，阀杆的小气密圈与卡口的大气密圈之间亦可设置另一辅助弹簧。
该真空喷头是一种按压式塑料弹簧结构的真空喷头，该真空喷头的弹套、泵体、阀针、活塞、卡口、阀杆共同组成泵芯组立，该真空喷头主要是针对现有真空泵结构进行改进，并将高新材料在真空泵上的技术研发与应用。其具有结构特点如下：1、塑料弹簧采用全新结构设计，外形呈现塔型，中间通孔设计且壁厚极薄，外圈的波浪筒呈“W”波浪形设计，凹凸波浪结构的设计更符合弹性力学，更利于产品变形创造良好的弹性效果；同时，塑料弹簧按压手感极为柔和且细腻，而传统钢丝弹簧手感较为硬朗，突兀。2、该真空喷头的采用全塑真空喷头结构设计，将塑料弹簧中间通孔套入泵芯组立，塑料弹簧的外套口处端面置于头帽四条筋位柱子的筋槽处平面，塑料弹簧的内套口处另一端面置于大圈中心孔外侧的圈槽处平面。从而使用过程中按压头帽下移时，塑料弹簧的波纹筒压缩变形；放手后塑料弹簧的波纹筒回弹复位，带动头帽、阀杆、活塞、阀针上移，实现泵芯组立的按压回弹功能。
综上所述，目前市面上绝大多数真空泵的喷头采用钢丝弹簧，钢丝弹簧在液体的浸泡下，难免发生化学反应，影响产品弹力性能，更使液体变质污染影响使用者的身体健康。且传统真空泵中的钢丝弹簧结构喷头，回收时需要将金属弹簧拆分后才能回收，极其不利于回收，且回收成本高、工序复杂。该真空喷头的全塑结构设计完全由可回收的塑料制造，不仅环保健康，同时整个喷头直接回收，无需拆分，环保低碳、经济高效便捷。

Claims (9)

1.一种高分子全塑按压式真空喷头，该真空喷头的外罩（11）内旋转圈（12）处设有螺旋槽孔，大圈（3）的中圈外径对称设有销柱（302），大圈的销柱通过旋转圈的螺旋槽孔***外罩内壁的罩定位槽，大圈的中圈上方中间设有大圈槽，大圈的大圈槽两侧圈筋对称设有开口的圈定位槽，泵芯组立扣合固定于大圈的中心孔，扣合固定处下方的泵芯组立外径设有垫片（10），泵芯组立的阀杆（4）伸出大圈，并与头帽（1）连接，泵芯组立的阀杆外径设有弹簧；其特征在于所述弹簧为塑料弹簧（2），塑料弹簧的一端设有外套口（201），塑料弹簧的一端设有内套口（202），塑料弹簧的外套口与内套口之间设有波浪筒（203），塑料弹簧的外套口、内套口、波浪筒一体成型，塑料弹簧的两端分别与头帽（1）、大圈（3）相抵，即塑料弹簧的外套口外径与头帽内底部的筋槽（101）内径套合，塑料弹簧的内套口圈口与大圈的大圈槽底部圈槽（301）相抵，塑料弹簧位于大圈的大圈槽内。
2.根据权利要求1所述的高分子全塑按压式真空喷头，其特征在于所述头帽（1）的筋槽（101）设置于头帽内底部的筋板，筋板两两对称设置呈十字形，头帽的出液孔两侧筋槽处内壁对称设有导向筋（102），头帽的导向筋***大圈（3）的圈定位槽。
3.根据权利要求1所述的高分子全塑按压式真空喷头，其特征在于所述头帽（1）底部外径的圈口位于大圈（3）的导向槽上方，导向槽设置于大圈的大圈槽外侧，大圈的大圈槽槽口位于头帽的底部外径圈口内侧。
4.根据权利要求1所述的高分子全塑按压式真空喷头，其特征在于所述泵芯组立的泵体（9）通过卡口（5）扣合固定于大圈（3）的中心孔，泵体的泵口与卡口的内槽孔扣合，泵体内的阀针（7）一端钉头与阀杆（4）的内筋孔扣合，扣合处的阀针外径设有活塞（6），阀杆的内筋孔内壁设有分流槽，阀杆套入卡口，活塞的外径与泵体的内壁滑动配合相抵密封，活塞顶部的外翻口套入阀杆底部的底槽孔，活塞的外翻口与阀杆的底槽孔内壁相抵滑动密封，阀杆的底槽孔呈弧形瓶口，即阀杆的分流槽处底槽孔为半圆孔，半圆孔下方的底槽孔为圆柱孔，泵体内的进水孔处设有弹套（8）；卡口的顶部设有大气密圈，阀杆的顶部外径设有小气密圈，阀杆的小气密圈套入卡口的大气密圈内径。
5.根据权利要求4所述的高分子全塑按压式真空喷头，其特征在于所述阀杆（4）的小气密圈与卡口（5）的大气密圈之间设有辅助弹簧。
6.根据权利要求4所述的高分子全塑按压式真空喷头，其特征在于所述大圈（3）的中圈下方中间设有小圈槽，小圈槽内设有内螺纹，小圈槽的圈口低于旋转圈（12）的圈口，泵体（9）的弹套（8）一侧孔口位于旋转圈的圈口内，旋转圈的圈口内径设有扣合圈，旋转圈的扣合圈直径小于上方的旋转圈内径，并设有限位台阶圈，旋转圈的扣合圈一侧设有对称设置的凸筋。
7.根据权利要求1所述的高分子全塑按压式真空喷头，其特征在于所述大圈（3）的外径与旋转圈（12）的外径一体呈圆柱形，头帽（1）的一侧设有凸起的喷嘴，喷嘴收入外罩（11）顶部一侧的嘴槽内。
8.根据权利要求1所述的高分子全塑按压式真空喷头的材料制备方法，其特征在于所述塑料弹簧（2）采用高分子材料制成，所述高分子材料由下述组分制成：72-84份高密度聚乙烯、15-25份氢氧化铝、10-15份改性氧化石墨烯胶体、3-10份耐磨剂、2-10份硬度调节剂、0.5-2.5份抗氧剂、0.5-1.5份润滑剂、0.3-0.6份抗紫外光吸收剂、0.1-0.4份白油；所述耐磨剂为马来酸酐接枝超高分子聚乙烯和/或高分子聚硅氧烷；所述马来酸酐接枝超高分子聚乙烯的分子量为200-350万；所述硬度调节剂为磺酸酰胺类和/或尼龙酸酯类硬度调节剂；所述磺酸酰胺类硬度调节剂为对甲苯磺酸酰胺、N-乙基磺酸酰胺或N-丁基磺酸酰胺中的一种或几种；所述抗氧剂为抗氧剂A30、抗氧剂HS02、抗氧剂H3336或抗氧剂H10中的一种或几种；所述抗紫外光吸收剂为紫外光吸收剂UV320、紫外光吸收剂UV380或紫外光吸收剂UV670中的一种或几种；所述润滑剂为硅酮、EBS、芥酸酰胺或油酸酰胺中的一种或几种。
9.根据权利要求7所述的高分子全塑按压式真空喷头的材料制备方法，其特征在于所述高分子材料的制备步骤如下：先将高密度聚乙烯和白油搅拌均匀，再加入氢氧化铝、改性氧化石墨烯胶体、耐磨剂、硬度调节剂、抗氧剂、抗紫外光吸收剂和润滑剂，混合搅拌后，加入双螺杆共混挤出机，共混挤出，切粒，得高分子材料；所述高密度聚乙烯和白油的搅拌速度为400-500rpm，时间为1-3min；所述混合搅拌的时间为2-6min；所述共混挤出的温度为190-230℃，转速为350-500rpm，真空度为0.08-0.05MPa；所述高分子材料的注射成型前，先将所述改性尼龙弹性体在100-120℃下，干燥4-6h；所述注射成型过程中，螺杆的加热温度为190-220℃，喷嘴的温度为240-260℃，注射的速度为35-65mm/s，注射的压力为50-70bar，成型的时间为30-80s。
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CN110789842A (zh) * 2019-10-25 2020-02-14 浙江正庄实业有限公司 抗菌高分子揿压式小喷头及其制备方法
CN212354967U (zh) * 2020-06-16 2021-01-15 浙江正庄实业有限公司 高分子全塑按压式真空喷头

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CN113525909A (zh) * 2021-07-20 2021-10-22 无锡圣马科技有限公司 一种防污泵头
WO2023165039A1 (zh) * 2022-03-03 2023-09-07 宁波金雨科技实业有限公司 一种单一材质的新型手压泵

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