CN115006920A - 一种用于生产高性能的空调滤芯的工艺方法 - Google Patents
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Abstract
本发明提供了一种用于生产高性能的空调滤芯的工艺方法,包括:制备聚合物复合材料的无纺布卷料;在所述无纺布卷料上制备抑菌层;所述无纺布卷料进行静电驻极处理;调制热压成型设备;所述无纺布卷料进行热压成型处理,具体为所述热压成型模具上方的定位框在热压前定位固定所述无纺布卷料;启动褶皱拉伸及斜角封边的热压操作后得到滤芯板。最后进行裁切封装,裁切封装按预设的尺寸对所述滤芯板进行裁切,得到所述空调滤芯。经此生产工艺生产出来滤芯使用起来方便性能稳定,能提高生产效率,同时提高成品率。
Description
技术领域
本发明涉及热压成型领域,尤其涉及一种用于生产高性能的空调滤芯的工艺方法。
背景技术
空调目前是一种普遍使用的产品,为提升空调的品质,各种高品质的空调滤芯应运而生。为实现高品质空调滤芯的生产,对热压成型设备的要求很高。目前市面上的滤芯成型设备多是将滤纸层(含多种材质)呈平面状后反复折叠成立体状。此褶皱式滤纸层虽能增大过滤面积,但其滤芯阻力也随着增大。
技术上对于柔性材料的热压,如无纺布,多采用聚丙烯粒料为原料,经高温熔融、喷丝、铺纲、热压卷取连续一步法生产而成,但生产出来的滤芯容易变形。
为了解决上述问题,提出一种用于生产高性能的空调配套滤芯的工艺方法。
发明内容
本发明目的在于提供一种用于生产高性能的空调配套滤芯的工艺方法,以解决现有技术中存在的问题。
本发明采用以下技术方案:一种用于生产高性能的空调滤芯的工艺方法,其特征在于,包括:制备聚合物复合材料的无纺布卷料:选取至少一种具有静电极化性能的聚合物纤维,按每平方米配置预定克重标准进行聚合物纤维备料,将所述聚合物纤维备料制备成所述聚合物复合材料的无纺布卷料;在所述无纺布卷料上制备抑菌层:在所述聚合物卷料采用胶粘方式复合一层纳米银涂层或石墨烯、或活性炭的无纺布薄毡;所述无纺布卷料进行静电驻极处理:将所述无纺布卷料平铺于高压电场驻极设备中,所述驻极设备采用高压电场的电晕放电对所述无纺布卷料进行静电极化强化处理;制备热压成型模具:所述热压成型模具分为底模和压模;所述底模为平底上凸模,其第一条形凸模的数量与所述空调滤芯所设计的褶皱数量相等;所述压模为与所述底模对称的平顶下凸模,其第二条形凸模与所述底模的所述第一条形凸模形成耦合;调制热压成型设备:具体为调制所述热压成型模具加工温度、加工压力和加工时长,在所述压模上设置加热升温装置,对所述压模进行预热升温达到90-150℃,所述压模上部设置气压泵,并与空压机连通输送气压;所述无纺布卷料进行热压成型处理:所述热压成型模具上方的定位框在热压前定位固定所述无纺布卷料;启动褶皱拉伸及斜角封边的热压操作后得到滤芯板。裁切封装:按预设的尺寸对所述滤芯板进行裁切,得到所述空调滤芯;采用塑料袋或吸塑盒对所述空调滤芯进行密封封装。
进一步地,还包括:风冷定型:压制完成后,打开所述热压成型模具瞬间对所述滤芯板进行加速降温定型。
进一步地,所述具有静电极化性能的聚合物纤维是聚丙烯和/或过氧乙酰硝酸酯纤维。
进一步地,所述按每平方米配置预定克重标准为20-60g/m2,60-120g/m2,120-300g/m2三个滤料配置等级。
进一步地,所述将所述聚合物纤维备料制备成所述聚合物复合材料的无纺布卷料,为通过“针刺纺毡”工艺设备制备成无纺布形态的聚合物卷料。
有益效果:
(1)为保证所述滤芯的除尘除菌效果,无纺布卷料进行先进行高压静电驻极处理,能够很好地提高所述滤芯的除尘除菌性能效果。
(2)针对不同复合材料的韧性等性能特性,反复试验调制热压成型模具加工温度、加工压力和加工时长,来试验不同复合材料的折皱深度与加工温度、压力的关系,得到契合每个复合材料的加工温度及加压时长和压力,以达到符合产品的褶皱形状。
(3)压模的开模瞬间增加所述风冷定型步骤,其作用在于直接对模具开模瞬间对产品进行加速降温定型,提高成品率。
附图说明
此处所说明的附图用来提供对本发明的进一步理解,构成本发明的一部分,本发明的示意性实施例及其说明用于解释本发明,并不构成对本发明的不当限定。在附图中:
图1是一种用于生产高性能的空调配套滤芯的工艺方法的流程图。
图2是热压成型工艺过程图。
具体实施方式
为了使本技术领域的人员更好地理解本发明方案,下面将结合本发明实施例中的附图,对本发明实施例中的技术方案进行清楚、完整地描述,显然,所描述的实施例仅是本发明一部分实施例,而不是全部的实施例。基于本发明中的实施例,本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例,都属于本发明保护的范围。
请参照图1,图1是根据本申请实施例提供的一种用于生产高性能的空调滤芯的工艺方法的流程图。
本实施例提供的一种用于生产高性能的空调滤芯的工艺方法包括如下步骤:
步骤S01:制备聚合物复合材料的无纺布卷料。选取至少一种具有静电极化性能的聚合物纤维,按每平方米配置预定克重标准进行聚合物纤维备料,将所述聚合物纤维备料制备成所述聚合物复合材料的无纺布卷料,如可以通过“针刺纺毡”工艺设备制备成无纺布形态的聚合物卷料。具体地,所述具有静电极化性能的聚合物纤维是聚丙烯和/或过氧乙酰硝酸酯纤维。所述按每平方米配置预定克重标准为20-60g/m2,60-120g/m2,120-300g/m2三个滤料配置等级。
步骤S02:在所述无纺布卷料上制备抑菌层。在所述聚合物卷料采用胶粘方式复合一层纳米银涂层或石墨烯、或活性炭的无纺布薄毡。
步骤S03:所述无纺布卷料进行静电驻极处理。将所述无纺布卷料平铺于高压电场驻极设备中,所述驻极设备采用高压电场的电晕放电对所述无纺布卷料进行静电极化强化处理。静电极化强化处理时间可以根据实际情况调整,以使聚合物卷料达到要求为宜。
需要说明的是,在生产高性能的空调滤芯之前或者过程中还需要制备热压成型模具。所述热压成型模具分为底模和压模;所述底模为平底上凸模,其第一条形凸模的数量与所述空调滤芯所设计的褶皱数量相等且第一条形凸模的阳角和两侧斜角均与所设计的褶皱阳角和两侧斜角相同,所述凸模高度与空调滤芯所设计的褶皱高度相等。所述压模为与所述底模对称的平顶下凸模,其第二条形凸模与所述底模的所述第一条形凸模形成耦合。所述第二条形凸模的尖顶角度要略小于空调滤芯所设计的褶皱阳角角度,以保证上下耦合时所述第二条形凸模和所述第一条形凸模之间能够容下空调滤芯的厚度。所述压模上下模W型褶皱两侧采用斜角封边设计,以保证空调滤芯的边条底面能与褶皱尖峰在同一平面,其与空调内置防尘网固定融合成一体。
步骤S04:调制热压成型设备。
具体为调制所述热压成型模具加工温度、加工压力和加工时长,在所述压模上设置加热升温装置,对所述压模进行预热升温达到90-150℃,所述压模上部设置气压泵,并与空压机连通输送气压。压模所需施加的气压压力以空调滤芯的褶皱高度及滤料厚度相关,通常设置在500-1000Pa的可调节范围,如果气压压力不够,则会导致空调滤芯的褶皱高度达不到设计的高度要求。设置压制加工时长;根据实际空调滤芯的厚度等设置压制加工时间,若压制加工时间太短,则会导致空调滤芯的褶皱角度变大及高度不足;若压制加工时间太长,则会导致空调滤芯的支撑尼龙网过热熔化而失去支撑强度。压制加工时间的调节与空调滤芯配置的滤料厚度亦相关联,滤料越厚则需要压制越长时间。
步骤S05:所述无纺布卷料进行热压成型处理。
所述热压成型模具上方的定位框在热压前定位固定所述无纺布卷料;启动褶皱拉伸及斜角封边的热压操作后得到滤芯板。启动热压成型操作,压制完成后得到滤芯板。压制完成后进行风冷定型:压制完成后,打开所述热压成型模具瞬间对所述滤芯板进行加速降温定型。具体请参考图2,S051:通过定位框固定加工平面;S052:热压成型,通过热压成型完成褶皱拉伸和斜角封边,褶皱拉伸后其面积拉伸至1.93倍;S053:冷却成型,即风冷定型。
步骤S06:裁切封装:按预设的尺寸对所述滤芯板进行裁切,得到所述空调滤芯;采用塑料袋或吸塑盒对所述空调滤芯进行密封封装。
经此生产工艺生产出来的空调滤芯,使用起来方便性能稳定,能提高生产效率,同时提高成品率。将所述滤芯材料按匹配分体空调初效过滤网大小裁切,通过耳带或夹子或胶布固定于空调初效过滤处。
显然,上述仅为本发明的较佳实施例及所运用技术原理。本领域技术人员会理解,本发明不限于这里所述的特定实施例,对本领域技术人员来说能够进行各种明显的变化、重新调整和替代而不会脱离本发明的保护范围。因此,虽然通过以上实施例对本发明进行了较为详细的说明,但是本发明不仅仅限于以上实施例,在不脱离本发明构思的情况下,还可以包括更多其他等效实施例,而本发明的范围由所附的权利要求范围决定。
Claims (5)
1.一种用于生产高性能的空调滤芯的工艺方法,其特征在于,包括:
制备聚合物复合材料的无纺布卷料:选取至少一种具有静电极化性能的聚合物纤维,按每平方米配置预定克重标准进行聚合物纤维备料,将所述聚合物纤维备料制备成所述聚合物复合材料的无纺布卷料;
在所述无纺布卷料上制备抑菌层:在所述聚合物卷料采用胶粘方式复合一层纳米银涂层或石墨烯、或活性炭的无纺布薄毡;
所述无纺布卷料进行静电驻极处理:将所述无纺布卷料平铺于高压电场驻极设备中,所述驻极设备采用高压电场的电晕放电对所述无纺布卷料进行静电极化强化处理;
制备热压成型模具:所述热压成型模具分为底模和压模;所述底模为平底上凸模,其第一条形凸模的数量与所述空调滤芯所设计的褶皱数量相等;所述压模为与所述底模对称的平顶下凸模,其第二条形凸模与所述底模的所述第一条形凸模形成耦合;
调制热压成型设备:具体为调制所述热压成型模具加工温度、加工压力和加工时长,在所述压模上设置加热升温装置,对所述压模进行预热升温达到90-150℃,所述压模上部设置气压泵,并与空压机连通输送气压;
所述无纺布卷料进行热压成型处理:所述热压成型模具上方的定位框在热压前定位固定所述无纺布卷料;启动褶皱拉伸及斜角封边的热压操作后得到滤芯板。裁切封装:按预设的尺寸对所述滤芯板进行裁切,得到所述空调滤芯;采用塑料袋或吸塑盒对所述空调滤芯进行密封封装。
2.根据权利要求1所述的方法,其特征在于,还包括:风冷定型:压制完成后,打开所述热压成型模具瞬间对所述滤芯板进行加速降温定型。
3.根据权利要求1所述的方法,其特征在于,所述具有静电极化性能的聚合物纤维是聚丙烯和/或过氧乙酰硝酸酯纤维。
4.根据权利要求1所述的方法,其特征在于,所述按每平方米配置预定克重标准为20-60g/m2,60-120g/m2,120-300g/m2三个滤料配置等级。
5.根据权利要求1所述的方法,其特征在于,所述将所述聚合物纤维备料制备成所述聚合物复合材料的无纺布卷料,为通过“针刺纺毡”工艺设备制备成无纺布形态的聚合物卷料。
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