CN112844888A - 一种高分子精确添加工艺 - Google Patents
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Abstract
本发明涉及一次性卫生用品制备领域,尤其涉及一种高分子精确添加工艺,包括以下步骤:1)、将高分子材料通过初级筛网筛入震动箱内;2)、启动震动箱震动,使高分子材料处于平整紧密状态;3)、通过加热机构对震动箱内的高分子材料进行加热干燥;4)、通过二级筛网将震动箱内的高分子材料筛至缓存箱,并利用安装在缓存箱上的喷射装置实现高分子均匀喷射;喷射装置包括设于缓存箱上的机架及设于机架上的高分子喷射枪和空气喷射装置,空气喷射装置包括多个气流管,各个气流管绕高分子喷射枪的枪口周向均匀设置,各个气流管包括进气端和出气端,进气端连接空气压缩泵。其可减少高分子材料的回弹溅落,进而减少高分子材料浪费,节约材料。
Description
技术领域
本发明涉及异型性卫生用品制备领域,尤其涉及一种高分子精确添加工艺。
背景技术
纸尿裤生产制作过程中,吸收体的吸收性能检测,80%以上测定来自于吸收体内高分子分布的检测,故吸收体中高分子的分布状态会直接决定了纸尿裤产品的质量等级,及产品在市场环境下的生命周期。
一次性卫生用品的吸收体,因对象的年龄和性别不同,所需求吸收部位也会有所不同,吸收体如果以吸水量多的区段为基准设定分布高分子密度,使吸收体较少的区段过多,高分子成本增加;如果以吸水量较少的区段为基准设定分布高分子密度,吸水量多的地方吸水能力不足,会造成侧漏、断裂等现象,因此,如何去节约且有效的利用高分子对于生产企业是一直去探所与研究的问题。
发明内容
因此,针对上述的问题,本发明提出一种高分子精确添加工艺,其可减少高分子材料的回弹溅落,进而减少高分子材料浪费,节约材料。
为实现上述目的,本发明采用了以下技术方案:一种高分子精确添加工艺,包括以下步骤:
1)、将高分子材料通过初级筛网筛入震动箱内;
2)、启动震动箱震动,使高分子材料处于平整紧密状态;
3)、通过加热机构对震动箱内的高分子材料进行加热干燥,加热温度45-55℃;
4)、通过二级筛网将震动箱内的高分子材料筛至缓存箱,并利用安装在缓存箱上的喷射装置实现高分子在吸收芯体上对应位置的均匀喷射;
所述喷射装置包括设于缓存箱上的机架及设于机架上的高分子喷射枪和空气喷射装置,所述空气喷射装置包括多个气流管,各个所述气流管绕高分子喷射枪的枪口周向均匀设置,各个所述气流管包括进气端和出气端,所述进气端连接空气压缩泵。
进一步地改进,所述震动箱的底部设有出料口,所述步骤4)中的二级筛网设于出料口处。
进一步地改进,所述气流管的出气端高于高分子喷射枪的枪口。
进一步地改进,所述加热机构为绕震动箱周边设置陶瓷加热板。
进一步地改进,所述初级筛网的孔径与二级筛网的孔径一致。
进一步地改进,所述震动箱的出料口与缓存箱之间通过柔性管连接。
通过采用前述技术方案,本发明的有益效果是:
1、所述高分子材料经由初级筛网过滤后再进行喷料,保证了喷洒出来的高分子分散不结团,同时,震动箱配合二级筛网使用,可通过对高分子材料的需求对震动箱的震动频率进行合理调整,通过控制震动箱的震动频率控制高分子材料的通过二级筛网的速度进入缓存箱,从而控制高分子材料的添加量,在特别需要时,可保证高分子材料的连续性喷射;
2、通过设置空气喷射装置配合高分子喷射枪使用,喷出的高压空气能够在喷射出高分子材料的外围形成一个圆锥形的高压空气罩,可有效防止高分子材料回弹溅落,具体的,当高分子材料喷到附着材料并发生反弹时,高压空气罩产生的压力会将回弹的高分子材料反推回去,从而达到阻挡高分子材料回弹和溅落的目的,在实际应用中,所述气流管吹出的气压应根据其与吸收芯的实际距离具体设定;
3、所述气流管的出气端高于高分子喷射枪的枪口,避免气流管吹出的气压“入侵”需要喷射高分子材料的区域,使高分子材料扎堆成团;
4、通过设置的陶瓷加热板,保证高分子的干燥度,以随时可为生产提供高质量的高分子材料;
5、所述初级筛网的孔径与二级筛网的孔径一致,可保证二级筛网不堵塞,降低高分子材料进入缓存箱的速度;
6、所述震动箱的出料口与缓存箱之间通过柔性管连接,保证连接的稳定性。
附图说明
图1是本发明实施例震动箱的结构示意图;
图2是本发明实施例喷射装置的结构示意图。
具体实施方式
现结合附图和具体实施方式对本发明进一步说明。
参考图1、图2,本实施例提供一种高分子精确添加工艺,包括以下步骤:
1)、将高分子材料通过初级筛网11筛入震动箱100内,使高分子保持分散不结团;
2)、启动震动箱100震动,使高分子材料处于平整紧密状态,增大震动箱100的存储量;
3)、通过加热机构13对震动箱100内的高分子材料进行加热干燥,加热温度45-55℃,同时配合震动箱100的震动,使的热量能够均匀扩散,保证干燥效果;
4)、通过二级筛网12将震动箱100内的高分子材料筛至缓存箱,并利用安装在缓存箱上的喷射装置200实现高分子在吸收芯体上对应位置的均匀喷射。
在本实施例中,所述震动箱100的底部设有出料口101,所述步骤4)中的二级筛网12设于出料口101处,所述初级筛网11的孔径与二级筛网12的孔径一致,所述震动箱100的出料口101与缓存箱之间通过柔性管连接,所述加热机构13为绕震动箱100周边设置陶瓷加热板。
在本实施例中,所述喷射装置200包括设于缓存箱上的机架201及设于机架201上的高分子喷射枪21和空气喷射装置,所述空气喷射装置包括多个气流管22,各个所述气流管22绕高分子喷射枪21的枪口周向均匀设置,各个所述气流管22包括进气端221和出气端222,所述进气端221连接空气压缩泵,各所述气流管21的出气端222高于高分子喷射枪21的枪口211处。
本发明通过设置空气喷射装置配合高分子喷射枪使用,喷出的高压空气能够在喷射出高分子材料的外围形成一个圆锥形的高压空气罩,可有效防止高分子材料回弹溅落,具体的,当高分子材料喷到附着材料并发生反弹时,高压空气罩产生的压力会将回弹的高分子材料反推回去,从而达到阻挡高分子材料回弹和溅落的目的,在实际应用中,所述气流管吹出的气压应根据其与吸收芯的实际距离具体设定;所述高分子材料经由初级筛网过滤后再进行喷料,保证了喷洒出来的高分子分散不结团,同时,震动箱配合二级筛网使用,可通过对高分子材料的需求对震动箱的震动频率进行合理调整,通过控制震动箱的震动频率控制高分子材料的通过二级筛网的速度进入缓存箱,从而控制高分子材料的添加量,在特别需要时,可保证高分子材料的连续性喷射;
需要说明的是,术语“中心”、“上”、“下”、“左”、“右”、“竖直”、“水平”、“内”、“外”等指示的方位或位置关系为基于附图所示的方位或位置关系,仅是为了便于描述本发明和简化描述,而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作,因此不能理解为对本发明的限制。
尽管结合优选实施方案具体展示和介绍了本发明,但所属领域的技术人员应该明白,在不脱离所附权利要求书所限定的本发明的精神和范围内,在形式上和细节上可以对本发明做出各种变化,均为本发明的保护范围。
Claims (6)
1.一种高分子精确添加工艺,其特征在于:包括以下步骤:
1)、将高分子材料通过初级筛网筛入震动箱内;
2)、启动震动箱震动,使高分子材料处于平整紧密状态;
3)、通过加热机构对震动箱内的高分子材料进行加热干燥,加热温度45-55℃;
4)、通过二级筛网将震动箱内的高分子材料筛至缓存箱,并利用安装在缓存箱上的喷射装置实现高分子在吸收芯体上对应位置的均匀喷射;
所述喷射装置包括设于缓存箱上的机架及设于机架上的高分子喷射枪和空气喷射装置,所述空气喷射装置包括多个气流管,各个所述气流管绕高分子喷射枪的枪口周向均匀设置,各个所述气流管包括进气端和出气端,所述进气端连接空气压缩泵。
2.根据权利要求1所述的一种高分子精确添加工艺,其特征在于:所述震动箱的底部设有出料口,所述步骤4)中的二级筛网设于出料口处。
3.根据权利要求2所述的一种高分子精确添加工艺,其特征在于:所述气流管的出气端高于高分子喷射枪的枪口。
4.根据权利要求3所述的一种高分子精确添加工艺,其特征在于:所述加热机构为绕震动箱周边设置陶瓷加热板。
5.根据权利要求5所述的一种高分子精确添加工艺,其特征在于:所述初级筛网的孔径与二级筛网的孔径一致。
6.根据权利要求1所述的一种高分子精确添加工艺,其特征在于:所述震动箱的出料口与缓存箱之间通过柔性管连接。
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