CN106420170A - 一种纸尿裤生产线上的抗菌层成型装置及方法 - Google Patents
一种纸尿裤生产线上的抗菌层成型装置及方法 Download PDFInfo
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Abstract
本发明提出一种纸尿裤生产线上的抗菌层成型装置及方法,包括纳米银溶液喷头、喷淋罩和回收装置,纳米银溶液喷头设于喷淋罩的罩腔内,所述罩腔底板处设有喷淋限制口,纳米银溶液喷头位于喷淋限制口上方,当纳米银溶液喷头对纸尿裤进行喷淋时,喷淋限制口与纸尿裤内表面紧邻,从纳米银溶液喷头喷出并且通过经喷淋限制口的纳米银溶液落于纸尿裤内表层处;所述喷淋限制口周沿设有围边,罩腔底板处设有纳米银溶液回收口,当纳米银溶液喷头对纸尿裤进行喷淋作业时,从纳米银溶液喷头喷出但未通过喷淋限制口的纳米银溶液在罩腔底板处汇聚并从纳米银溶液回收口流至回收装置;本发明能以较低的成本在纸尿裤上植入微量纳米银来生成纸尿裤的抗菌层。
Description
技术领域
本发明涉及婴幼儿用品领域,尤其是一种纸尿裤生产线上的抗菌层成型装置及方法。
背景技术
纸尿裤在穿着过程中由于其良好的封闭性与人体形成了一个与外界环境截然不同的微小环境,直接影响着婴儿的舒适性和皮肤健康。尿液在温湿环境中很容易与空气中的氧气结合而滋生细菌,一方面细菌则有可能给婴儿带来危害,另一方面可能带来红屁股和尿布疹;使其舒适性和安全性大打折扣。
银离子作为抗菌剂能杀死并抑制多种微生物的能力早就广为人知;银离子同时拥有多个优点,例如良好、稳定的杀菌能力,产生对抗生素耐药的菌株的可能性很小,并且其在适当剂量下无细胞毒性;活性银离子表现出极佳的抗菌能力。
纳米银是近年出现的新型灭菌物,以纳米形态的银颗粒实现其灭菌效果,如能把纳米银用于纸尿裤,将能使纸尿裤具备极佳的抗菌能力,但银属于贵金属,基于银制备的纳米银较为昂贵,然而纸尿裤却属于用完即丢的一次性消耗品,不宜在单片纸尿裤上投入过高的贵金属成本,因此如何以较经济的成本把纳米形态的银颗粒植入纸尿裤,并且以尽可能少的微量纳米银在纸尿裤上实现合格的抗菌效果,是一个研究方向。
发明内容
本发明提出一种纸尿裤生产线上的抗菌层成型装置及方法,能以较低的成本在纸尿裤上植入微量纳米银来生成纸尿裤的抗菌层。
本发明采用以下技术方案。
一种纸尿裤生产线上的抗菌层成型装置及方法,用于在生产线上向纸尿裤表面喷淋纳米银溶液以生成抗菌层,所述抗菌层成型装置包括纳米银溶液喷头、喷淋罩和回收装置,所述纳米银溶液喷头设于喷淋罩的罩腔内,所述罩腔底板处设有喷淋限制口,所述纳米银溶液喷头位于喷淋限制口上方,当纳米银溶液喷头对纸尿裤进行喷淋时,喷淋限制口与纸尿裤内表面紧邻,从纳米银溶液喷头喷出并且通过经喷淋限制口的纳米银溶液落于纸尿裤内表层处。
所述喷淋限制口周沿设有围边,罩腔底板处设有纳米银溶液回收口,当纳米银溶液喷头对纸尿裤进行喷淋作业时,从纳米银溶液喷头喷出但未通过喷淋限制口的纳米银溶液在罩腔底板处汇聚并从纳米银溶液回收口流至回收装置。
所述纳米银溶液喷头位于喷淋限制口上方15至20公分处。
所述罩腔底板和喷淋限制口俯视向均呈矩形。
罩腔底板边沿和喷淋限制口边沿与纸尿裤传送方向垂直的边为宽边,罩腔底板的宽度是喷淋限制口宽边宽度的两倍以上。
所述纸尿裤以传送带传送,所述抗菌层成型装置设有控制装置使喷淋装置的喷淋动作与纸尿裤传送作业同步。
所述喷淋罩下方的传送带旁侧设有光电传感器,所述光电传感器对传送带上的纸尿裤进行位置检测以确认纸尿裤是否到达喷淋位置,所述光电传感器与控制装置相连。
所述抗菌层成型装置还包括预润喷头,所述预润喷头位于传送带传送方向上的喷淋罩的前侧,传送带上的预润喷头在纸尿裤内表层中轴部位处喷淋少量纯净水或芳香溶液进行预润后,再被传送带送至喷淋罩下方喷淋纳米银溶液。
所述抗菌层成型装置依次按以下步骤在纸尿裤上生成抗菌层:
A1、把纸尿裤放于传送带上,使纸尿裤的内表面朝上并展平;
A2、传送带把纸尿裤送至预润喷头处,预润喷头在纸尿裤内表层中轴部位处喷淋少量纯净水或芳香溶液进行预润;
A3、传送带把预润后的纸尿裤送至喷淋罩下方与喷淋限制口紧邻处,喷淋限制口对纸尿裤上的纳米银喷淋区域进行限定,并且使纳米银喷淋区域位于经预润过的区域;从纳米银溶液喷头喷出并且通过经喷淋限制口的纳米银溶液落于纸尿裤内表层处;
A4、传送带把纸尿裤从喷淋罩下方送出,当纳米银溶液挥发后,纳米银溶液内的纳米银粒析出于纸尿裤内表面结构中形成纳米银层。
所述纳米银在纸尿裤上的喷淋区域连续性分布于纸尿裤内表面的前部、裆部和后部,喷淋区域长度为35至55厘米,喷淋区域内均匀喷有0.2至0.5毫升的纳米银溶液,所述纳米银溶液为经稀释20-100倍的纳米银母液,所述纳米银母液的制备方法为,将纳米银粉剂溶于蒸馏水中制成0.2%w/v的母液。
本发明中,先在纸尿裤内表面以纯净水或芳香溶液喷淋以轻微预润后,再把纸尿裤送至纳米银喷淋工序来喷淋纳米银;该设计能增加停留于纸尿裤内表面浅层的纳米银颗料来强化内表面浅层的灭菌能力,因为纸尿裤内表面轻微预润后,纸尿裤内表面的吸水能力有短时间的降低,在接受纳米银喷淋时不会过多地吸收纳米银溶液,就能使纳米银溶液更多地停留于在纸尿裤内表面或浅层处挥发,当纳米银溶液在纸尿裤内表面或内表面浅层处挥发后,析出的纳米银颗粒就能集中停留于纸尿裤内表面或内表面浅层,使得纳米银的灭菌效果得以集中针对纸尿裤内表面或内表面浅层进行强化,符合纸尿裤的功用特点,从而达到了使用尽可能少的微量纳米银在纸尿裤上实现合格的抗菌效果这一成本控制目的,能以尽可能少的纳米银溶液在纸尿裤上制出合格的抗菌纳米银层。
本发明中,当纳米银溶液喷头对纸尿裤进行喷淋时,喷淋限制口与纸尿裤内表面紧邻,从纳米银溶液喷头喷出并且通过经喷淋限制口的纳米银溶液落于纸尿裤内表层处;所述喷淋限制口周沿设有围边,罩腔底板处设有纳米银溶液回收口,当纳米银溶液喷头对纸尿裤进行喷淋作业时,从纳米银溶液喷头喷出但未通过喷淋限制口的纳米银溶液在罩腔底板处汇聚并从纳米银溶液回收口流至回收装置;该设计能严格控制纳米银溶液在单片纸尿裤上的用量,而且具备纳米银溶液回收功能,因此能在生成合格抗菌纳米银层的同时,有效控制纳米银溶液的用量以节约成本。
本发明中,所述纸尿裤以传送带传送,所述抗菌层成型装置设有控制装置使喷淋装置的喷淋动作与纸尿裤传送作业同步;所述喷淋罩下方的传送带旁侧设有光电传感器,所述光电传感器对传送带上的纸尿裤进行位置检测以确认纸尿裤是否到达喷淋位置,所述光电传感器与控制装置相连;该设计可以强化纳米银喷淋作业的控制,以节约纳米银溶液的用量来节省成本。
本发明中,所述纳米银在纸尿裤上的喷淋区域连续性分布于纸尿裤内表面的前部、裆部和后部,喷淋区域长度为35至55厘米,喷淋区域内均匀喷有0.2至0.5毫升的纳米银溶液,所述纳米银溶液为经稀释20-100倍的纳米银母液,所述纳米银母液的制备方法为,将纳米银粉剂溶于蒸馏水中制成0.2%w/v的母液;该设计合理使纳米银喷淋区域与纳米银溶液的浓度匹配,在增大纳米银溶液喷淋区域面积的同时,减少了纳米银溶液的喷淋量,不仅节约了成本,而且能加快纳米银溶液在纸尿裤内表面挥发的速度,这样就能让析出的纳米银颗粒集中停留于纸尿裤内表面或内表面浅层,使得纳米银的灭菌效果得以集中针对纸尿裤内表面或内表面浅层进行强化。
本发明采用喷淋纳米银溶液来生成纸尿裤内表面的抗菌层,成本低,易于实现,只需在原纸尿裤生产线上增加两个喷淋装置即可;由于喷淋液量、喷淋区域和喷淋面积被严格控制,喷淋成型的纳米银抗菌层可在生产线上自然风干,无需特殊的烘干步骤。
附图说明
下面结合附图和具体实施方式对本发明进一步详细的说明:
附图1是本发明的示意图;
附图2是以本发明技术制备的纸尿裤内表面的俯视示意图;
图中:1-预润喷头;2-喷淋限制口周沿的围边;3-纳米银溶液喷头;4-喷淋罩;5-纸尿裤;6-传送带;7-经预润过的区域;8-纳米银喷淋区域;9-喷淋限制口。
具体实施方式
如图1、2所示,一种纸尿裤生产线上的抗菌层成型装置及方法,用于在生产线上向纸尿裤表面喷淋纳米银溶液以生成抗菌层,所述抗菌层成型装置包括纳米银溶液喷头3、喷淋罩4和回收装置,所述纳米银溶液喷头3设于喷淋罩4的罩腔内,所述罩腔底板处设有喷淋限制口9,所述纳米银溶液喷头3位于喷淋限制口9上方,当纳米银溶液喷头3对纸尿裤进行喷淋时,喷淋限制口9与纸尿裤5内表面紧邻,从纳米银溶液喷头3喷出并且通过经喷淋限制口9的纳米银溶液落于纸尿裤5内表层处。
所述喷淋限制口9周沿设有围边2,罩腔底板处设有纳米银溶液回收口,当纳米银溶液喷头对纸尿裤进行喷淋作业时,从纳米银溶液喷头喷出但未通过喷淋限制口的纳米银溶液在罩腔底板处汇聚并从纳米银溶液回收口流至回收装置。
所述纳米银溶液喷头3位于喷淋限制口9上方15至20公分处。
所述罩腔底板和喷淋限制口9俯视向均呈矩形。
罩腔底板边沿和喷淋限制口边沿与纸尿裤传送方向垂直的边为宽边,罩腔底板的宽度是喷淋限制口宽边宽度的两倍以上。
所述纸尿裤5以传送带6传送,所述抗菌层成型装置设有控制装置使喷淋装置的喷淋动作与纸尿裤传送作业同步。
所述喷淋罩4下方的传送带6旁侧设有光电传感器,所述光电传感器对传送带上的纸尿裤进行位置检测以确认纸尿裤是否到达喷淋位置,所述光电传感器与控制装置相连。
所述抗菌层成型装置还包括预润喷头1,所述预润喷头1位于传送带传送方向上的喷淋罩的前侧,传送带上的预润喷头在纸尿裤内表层中轴部位处喷淋少量纯净水或芳香溶液进行预润后,再被传送带送至喷淋罩下方喷淋纳米银溶液。
所述抗菌层成型装置依次按以下步骤在纸尿裤上生成抗菌层:
A1、把纸尿裤5放于传送带6上,使纸尿裤5的内表面朝上并展平;
A2、传送带把纸尿裤送至预润喷头1处,预润喷头1在纸尿裤内表层中轴部位处喷淋少量纯净水或芳香溶液进行预润;
A3、传送带把预润后的纸尿裤送至喷淋罩下方与喷淋限制口紧邻处,喷淋限制口对纸尿裤上的纳米银喷淋区域8进行限定,并且使纳米银喷淋区域8位于经预润过的区域7;从纳米银溶液喷头喷出并且通过经喷淋限制口的纳米银溶液落于纸尿裤内表层处;
A4、传送带把纸尿裤从喷淋罩下方送出,当纳米银溶液挥发后,纳米银溶液内的纳米银粒析出于纸尿裤内表面结构中形成纳米银层。
所述纳米银在纸尿裤上的喷淋区域8连续性分布于纸尿裤内表面的前部、裆部和后部,喷淋区域长度为35至55厘米,喷淋区域内均匀喷有0.2至0.5毫升的纳米银溶液,所述纳米银溶液为经稀释20-100倍的纳米银母液,所述纳米银母液的制备方法为,将纳米银粉剂溶于蒸馏水中制成0.2%w/v的母液。
Claims (9)
1.一种纸尿裤生产线上的抗菌层成型装置及方法,用于在生产线上向纸尿裤表面喷淋纳米银溶液以生成抗菌层,其特征在于:所述抗菌层成型装置包括纳米银溶液喷头、喷淋罩和回收装置,所述纳米银溶液喷头设于喷淋罩的罩腔内,所述罩腔底板处设有喷淋限制口,所述纳米银溶液喷头位于喷淋限制口上方,当纳米银溶液喷头对纸尿裤进行喷淋时,喷淋限制口与纸尿裤内表面紧邻,从纳米银溶液喷头喷出并且通过经喷淋限制口的纳米银溶液落于纸尿裤内表层处;
所述喷淋限制口周沿设有围边,罩腔底板处设有纳米银溶液回收口,当纳米银溶液喷头对纸尿裤进行喷淋作业时,从纳米银溶液喷头喷出但未通过喷淋限制口的纳米银溶液在罩腔底板处汇聚并从纳米银溶液回收口流至回收装置。
2.根据权利要求1所述的一种纸尿裤生产线上的抗菌层成型装置及方法,其特征在于:所述纳米银溶液喷头位于喷淋限制口上方15至20公分处。
3.根据权利要求1所述的一种纸尿裤生产线上的抗菌层成型装置及方法,其特征在于:所述罩腔底板和喷淋限制口俯视向均呈矩形。
4.根据权利要求3所述的一种纸尿裤生产线上的抗菌层成型装置及方法,其特征在于:罩腔底板边沿和喷淋限制口边沿与纸尿裤传送方向垂直的边为宽边,罩腔底板的宽度是喷淋限制口宽边宽度的两倍以上。
5.根据权利要求1所述的一种纸尿裤生产线上的抗菌层成型装置及方法,其特征在于:所述纸尿裤以传送带传送,所述抗菌层成型装置设有控制装置使喷淋装置的喷淋动作与纸尿裤传送作业同步。
6.根据权利要求5所述的一种纸尿裤生产线上的抗菌层成型装置及方法,其特征在于:所述喷淋罩下方的传送带旁侧设有光电传感器,所述光电传感器对传送带上的纸尿裤进行位置检测以确认纸尿裤是否到达喷淋位置,所述光电传感器与控制装置相连。
7.根据权利要求6所述的一种纸尿裤生产线上的抗菌层成型装置及方法,其特征在于:所述抗菌层成型装置还包括预润喷头,所述预润喷头位于传送带传送方向上的喷淋罩的前侧,传送带上的预润喷头在纸尿裤内表层中轴部位处喷淋少量纯净水或芳香溶液进行预润后,再被传送带送至喷淋罩下方喷淋纳米银溶液。
8.根据权利要求7所述的一种纸尿裤生产线上的抗菌层成型装置及方法,其特征在于:所述抗菌层成型装置依次按以下步骤在纸尿裤上生成抗菌层;
A1、把纸尿裤放于传送带上,使纸尿裤的内表面朝上并展平;
A2、传送带把纸尿裤送至预润喷头处,预润喷头在纸尿裤内表层中轴部位处喷淋少量纯净水或芳香溶液进行预润;
A3、传送带把预润后的纸尿裤送至喷淋罩下方与喷淋限制口紧邻处,喷淋限制口对纸尿裤上的纳米银喷淋区域进行限定,并且使纳米银喷淋区域位于经预润过的区域;从纳米银溶液喷头喷出并且通过经喷淋限制口的纳米银溶液落于纸尿裤内表层处;
A4、传送带把纸尿裤从喷淋罩下方送出,当纳米银溶液挥发后,纳米银溶液内的纳米银粒析出于纸尿裤内表面结构中形成纳米银层。
9.根据权利要求8所述的一种纸尿裤生产线上的抗菌层成型装置及方法,其特征在于:所述纳米银在纸尿裤上的喷淋区域连续性分布于纸尿裤内表面的前部、裆部和后部,喷淋区域长度为35至55厘米,喷淋区域内均匀喷有0.2至0.5毫升的纳米银溶液,所述纳米银溶液为经稀释20-100倍的纳米银母液,所述纳米银母液的制备方法为,将纳米银粉剂溶于蒸馏水中制成0.2%w/v的母液。
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