CN111996839A - 一种泡沫复合纸板的制备方法 - Google Patents

一种泡沫复合纸板的制备方法 Download PDF

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CN111996839A
CN111996839A CN202010927966.5A CN202010927966A CN111996839A CN 111996839 A CN111996839 A CN 111996839A CN 202010927966 A CN202010927966 A CN 202010927966A CN 111996839 A CN111996839 A CN 111996839A
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洪银龙
黄飞
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Anhui Xiangxin New Material Technology Co ltd
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Abstract

本发明公开了一种泡沫复合纸板的制备方法，涉及纸板制造的技术领域，包括：①裁切内/外纸板层：将内纸板、内纸芯及内隔水层与外纸板、外纸芯及外疏水层分别通过裁切机进行同尺寸的裁切；②制备内/外纸板层：在内纸板的两面分别粘贴上裁切好的内纸芯和内隔水层，再在外纸板的两面分别粘贴上裁切好的外纸芯和外疏水层，获得内纸板层与外纸板层；③填充EPS颗粒：在外纸板层与内纸板层之间均匀填充熟化好的预发泡EPS颗粒；④加热EPS颗粒：在外纸板层的夹层中以及内纸板层夹层中同时通入饱和蒸汽。按照本发明中的泡沫复合纸板的制备方法制备出的泡沫复合纸板具有结构合理、保温性好、减振性好、抗刮擦能力强、制造工序少及生产成本低的特点。

Description

一种泡沫复合纸板的制备方法
技术领域
本发明涉及纸板制造的技术领域，具体涉及一种泡沫复合纸板的制备方法。
背景技术
近年来，随着人民生活水平的不断提高，对商品外包装的要求也越来越高。包装纸箱作为瓜果蔬菜等商品的外包装容器，不仅能够保证商品的运输安全，又能够起到美化商品、促进销售及提高附加值的作用。
现阶段在包装诸如生鲜、海鲜及熟食等冷藏冷冻商品时，需要先用薄膜袋对冷藏冷冻商品进行封装，再放入到放有冰袋的泡沫盒中，以免冷冻商品在运输过程中吸收过多的外界热量而发生化冻滴水，以及避免普通包装盒在运输过程中易变形裂开，导致冷冻商品外露而发生腐败变质。在包装诸如香蕉、梨子及苹果等新鲜水果时，一般是放在加塞有泡沫板或泡沫棉的纸箱之中，以起到在运输过程中对水果的减振抗摔的保护。然而，现有运输用的泡沫盒为保证具有良好的绝热保温及减振抗摔特性，制造的泡沫盒普遍比较厚实，这既增加了泡沫盒的制造成本，又增加了塑料泡沫的污染。而通过在纸箱的内侧加塞泡沫板或泡沫棉的方式，对新鲜水果的减振抗摔效果有限。
发明内容
本发明的目的在于提供一种泡沫复合纸板的制备方法，以解决现有技术中导致的上述缺陷。
一种泡沫复合纸板的制备方法，包括如下步骤：
步骤1：裁切内/外纸板层：将选定的内纸板、内纸芯及内隔水层与外纸板、外纸芯及外疏水层分别通过裁切机进行同尺寸的裁切；
步骤2：制备内/外纸板层：将裁切好的内纸板与外纸板分别通过上胶机在其两面进行均匀的涂胶，再在内纸板的两面分别粘贴上裁切好的内纸芯和内隔水层，再在外纸板的两面分别粘贴上裁切好的外纸芯和外疏水层，再将粘贴好的内纸板与外纸板分别进行晾干，获得内纸板层与外纸板层；
步骤3：填充EPS颗粒：将获得的外纸板层与内纸板层分别通过上胶机在外纸芯与内纸芯的表面进行均匀的涂胶，再通过制备辅助装置使涂胶后的外纸板层与内纸板层采用水平的上下间隔分布，再在外纸板层与内纸板层之间均匀填充熟化好的预发泡EPS颗粒；
步骤4：加热EPS颗粒：将外纸板层通过制备辅助装置朝内纸板层方向进行压紧，压紧之后，再在外纸板层的夹层中以及内纸板层夹层中同时通入饱和蒸汽，使熟化好的预发泡EPS颗粒再度吸热膨胀和熔融粘结成一体，同时，也使内纸板层和外纸板层与预发泡EPS颗粒粘结成一体，获得泡沫复合纸板。
优选的，所述泡沫复合纸板由多层材料相互粘连复合而成，所述泡沫复合纸板从内到外依次包括内纸板层、保温层及外纸板层，所述内纸板层由内纸板、内纸芯及内隔水层组成，所述保温层采用熟化好的预发泡EPS颗粒填充而成，所述外纸板层由外纸板、外纸芯及外疏水层组成。
优选的，所述内纸芯与外纸芯的横截面的结构均为等间距分布的等腰梯形。
优选的，所述内隔水层采用铝箔纸，所述外疏水层采用防水帆布。
优选的，在步骤和步骤中，所述制备辅助装置包括支撑板、支撑架、底板、限位机构及压紧机构；
所述支撑板和底板分别安装于支撑架的顶部和底部；
所述限位机构位于支撑板的下方并具体包括安装板一、升降气缸一、升降板一、限位板及侧挡板，所述支撑架的中部安装有水平的安装杆，所述安装板一安装于的下侧，所述升降气缸一竖直朝上安装于安装板一的中间，所述升降板一位于安装板一的上方并居中安装于升降气缸一的活塞杆末端，所述限位板设有两个并前后对称安装于升降板一上端面的前后两侧，所述限位板的外侧安装有上下两排等间距分布的气管接头，所述气管接头通过气管与外界的饱和蒸汽连通，所述侧挡板设有两个并左右对称安装于支撑板上端面的左右两侧，当所述的限位板上升至与所述的侧挡板相同高度时，前后两个限位板与左右两个侧挡板可围成一个相对密封的矩形框，所述升降板一的左右两侧对称设有导柱一，所述导柱一通过导套与安装板一之间滑动配合；
所述压紧机构位于支撑板的上方并具体包括安装板二、升降气缸二、升降板二、固定板及真空吸盘，所述支撑板的上端面的拐角处均安装有竖直的支撑杆，所述安装板二安装于支撑杆的顶部，所述升降气缸二竖直朝下安装于安装板二的中间，所述升降板二位于安装板二的下方并居中安装于升降气缸二的活塞杆末端，所述固定板位于升降板二的下方并通过均匀分布的螺纹杆与升降板二连接，所述真空吸盘设有若干个并均匀安装于固定板上，所述真空吸盘通过气管与外界的负压气源连通，所述升降板二的左右两侧对称设有导柱二，所述导柱二通过导套与安装板二之间滑动配合。
本发明的优点：按照本发明中的泡沫复合纸板的制备方法制备出的泡沫复合纸板具有结构合理、保温性好、减振性好、抗刮擦能力强、制造工序少及生产成本低的特点。在制备该泡沫复合纸板时所用的制备辅助装置在实际应用时，通过限位机构中的升降气缸一的活塞杆的伸长即可带动升降板一上升，直至与侧挡板处于相同高度时，前后两个限位板与左右两个侧挡板可围成一个相对密封的矩形框，该矩形框即可用来限制内纸板层的位置，而通过设置在限位板上的气管接头可将外界的饱和蒸汽通入到内纸板层和外纸板层的夹层之中，用于加热内纸板层和外纸板层之间的熟化好的预发泡EPS颗粒，通过压紧机构中的真空吸盘可牢牢吸附住外纸板层，再通过升降气缸二的活塞杆的伸长即可带动升降板二下降，直至外纸板层下压熟化好的预发泡EPS颗粒至预设的厚度，此时即可接通外界的饱和蒸汽，使位于内纸板层和外纸板层之间的熟化好的预发泡EPS颗粒再度吸热膨胀和熔融粘结成一体。本发明中的用于制备泡沫复合纸板的制备辅助装置具有结构合理、使用方便、制造成本低及生产效率高的特点。
附图说明
图1为本发明中的关于泡沫复合纸板的制备过程。
图2为本发明中的用于薄膜复合纸板的制备辅助装置。
其中：
1-泡沫复合纸板；11-内纸板层；111-内纸板；112-内纸芯；113-内隔水层；12-保温层；121-EPS颗粒；13-外纸板层；131-外纸板；132-外纸芯；133-外疏水层。
2-制备辅助装置；21-支撑板；22-支撑架；23-底板；24-限位机构；241-安装杆；242-安装板一；243-升降气缸一；244-升降板一；245-限位板；246-气管接头；247-侧挡板；248-导柱一；25-压紧机构；251-支撑杆；252-安装板二；253-升降气缸二；254-升降板二；255-螺纹杆；256-固定板；257-真空吸盘；258-导柱二。
具体实施方式
为使本发明实现的技术手段、创作特征、达成目的与功效易于明白了解，下面结合具体实施方式，进一步阐述本发明。
如图1至图2所示，一种泡沫复合纸板的制备方法，包括如下步骤：
步骤1：裁切内/外纸板层：将选定的内纸板111、内纸芯112及内隔水层113与外纸板131、外纸芯132及外疏水层133分别通过裁切机进行同尺寸的裁切；
步骤2：制备内/外纸板层：将裁切好的内纸板111与外纸板131分别通过上胶机在其两面进行均匀的涂胶，再在内纸板111的两面分别粘贴上裁切好的内纸芯112和内隔水层113，再在外纸板131的两面分别粘贴上裁切好的外纸芯132和外疏水层133，再将粘贴好的内纸板111与外纸板131分别进行晾干，获得内纸板层11与外纸板层13；
步骤3：填充EPS颗粒：将获得的外纸板层13与内纸板层11分别通过上胶机在外纸芯132与内纸芯112的表面进行均匀的涂胶，再通过制备辅助装置2使涂胶后的外纸板层13与内纸板层11采用水平的上下间隔分布，再在外纸板层13与内纸板层11之间均匀填充熟化好的预发泡EPS颗粒121；
步骤4：加热EPS颗粒：将外纸板层13通过制备辅助装置2朝内纸板层11方向进行压紧，压紧之后，再在外纸板层13的夹层中以及内纸板层11夹层中同时通入饱和蒸汽，使熟化好的预发泡EPS颗粒121再度吸热膨胀和熔融粘结成一体，同时，也使内纸板层11和外纸板层13与预发泡EPS颗粒121粘结成一体，获得泡沫复合纸板1。
在本发明中，所述泡沫复合纸板1由多层材料相互粘连复合而成，所述泡沫复合纸板1从内到外依次包括内纸板层11、保温层12及外纸板层13，所述内纸板层11由内纸板111、内纸芯112及内隔水层113组成，所述保温层12采用熟化好的预发泡EPS颗粒121填充而成，所述外纸板层13由外纸板131、外纸芯132及外疏水层133组成。
在本发明中，所述内纸芯112与外纸芯132的横截面的结构均为等间距分布的等腰梯形。将内纸芯112和外纸芯132选择等腰梯形的结构，既提升了内纸板层11和外纸板层13自身的减振及抗弯的特性，又增加了内纸芯112和外纸芯132与中间保温层12的有效接触及粘连面积，有效提升了泡沫复合纸板1自身的连接强度。
在本发明中，所述内隔水层113采用铝箔纸，铝箔纸具有抗锈蚀、耐刮擦及成本低的特性，所述外疏水层133采用防水帆布，防水帆布断裂强力、撕裂伸长率、撕破强力大大优于传统防水篷布，是国际流行的环保PVC防水帆布。
在本发明中，在步骤2和步骤3中，所述制备辅助装置2包括支撑板21、支撑架22、底板23、限位机构24及压紧机构25；
所述支撑板21和底板23分别安装于支撑架22的顶部和底部；
所述限位机构24位于支撑板21的下方并具体包括安装板一242、升降气缸一243、升降板一244、限位板245及侧挡板247，所述支撑架22的中部安装有水平的安装杆241，所述安装板一242安装于241的下侧，所述升降气缸一243竖直朝上安装于安装板一242的中间，所述升降板一244位于安装板一242的上方并居中安装于升降气缸一243的活塞杆末端，所述限位板245设有两个并前后对称安装于升降板一244上端面的前后两侧，所述限位板245的外侧安装有上下两排等间距分布的气管接头246，所述气管接头246通过气管与外界的饱和蒸汽连通，所述侧挡板247设有两个并左右对称安装于支撑板21上端面的左右两侧，当所述的限位板245上升至与所述的侧挡板247相同高度时，前后两个限位板245与左右两个侧挡板247可围成一个相对密封的矩形框，所述升降板一244的左右两侧对称设有导柱一248，所述导柱一248通过导套与安装板一242之间滑动配合；通过升降气缸一243的活塞杆的伸长即可带动升降板一244上升，直至与侧挡板247处于相同高度时，前后两个限位板245与左右两个侧挡板247可围成一个相对密封的矩形框，该矩形框即可用来限制内纸板层11的位置，而通过设置在限位板245上的气管接头246可将外界的饱和蒸汽通入到内纸板层11和外纸板层13的夹层之中，用于加热内纸板层11和外纸板层13之间的熟化好的预发泡EPS颗粒121；
所述压紧机构25位于支撑板21的上方并具体包括安装板二252、升降气缸二253、升降板二254、固定板256及真空吸盘257，所述支撑板21的上端面的拐角处均安装有竖直的支撑杆251，所述安装板二252安装于支撑杆251的顶部，所述升降气缸二253竖直朝下安装于安装板二252的中间，所述升降板二254位于安装板二252的下方并居中安装于升降气缸二253的活塞杆末端，所述固定板256位于升降板二254的下方并通过均匀分布的螺纹杆255与升降板二254连接，所述真空吸盘257设有若干个并均匀安装于固定板256上，所述真空吸盘257通过气管与外界的负压气源连通，所述升降板二254的左右两侧对称设有导柱二258，所述导柱二258通过导套与安装板二252之间滑动配合。通过真空吸盘257可牢牢吸附住外纸板层13，再通过升降气缸二253的活塞杆的伸长即可带动升降板二254下降，直至外纸板层13下压熟化好的预发泡EPS颗粒121至预设的厚度，此时即可接通外界的饱和蒸汽，使位于内纸板层11和外纸板层13之间的熟化好的预发泡EPS颗粒121再度吸热膨胀和熔融粘结成一体。
综上所述，按照本发明中的泡沫复合纸板的制备方法制备出的泡沫复合纸板具有结构合理、保温性好、减振性好、抗刮擦能力强、制造工序少及生产成本低的特点。在制备该泡沫复合纸板时所用的制备辅助装置2在实际应用时，通过限位机构24中的升降气缸一243的活塞杆的伸长即可带动升降板一244上升，直至与侧挡板247处于相同高度时，前后两个限位板245与左右两个侧挡板247可围成一个相对密封的矩形框，该矩形框即可用来限制内纸板层11的位置，而通过设置在限位板245上的气管接头246可将外界的饱和蒸汽通入到内纸板层11和外纸板层13的夹层之中，用于加热内纸板层11和外纸板层13之间的熟化好的预发泡EPS颗粒121，通过压紧机构25中的真空吸盘257可牢牢吸附住外纸板层13，再通过升降气缸二253的活塞杆的伸长即可带动升降板二254下降，直至外纸板层13下压熟化好的预发泡EPS颗粒121至预设的厚度，此时即可接通外界的饱和蒸汽，使位于内纸板层11和外纸板层13之间的熟化好的预发泡EPS颗粒121再度吸热膨胀和熔融粘结成一体。本发明中的用于制备泡沫复合纸板的制备辅助装置具有结构合理、使用方便、制造成本低及生产效率高的特点。
因此，上述公开的实施方案，就各方面而言，都只是举例说明，并不是仅有的。所有在本发明范围内或在等同于本发明的范围内的改变均被本发明包含。

Claims (5)

1.一种泡沫复合纸板的制备方法，其特征在于：包括如下步骤：
步骤1：裁切内/外纸板层：将选定的内纸板(111)、内纸芯(112)及内隔水层(113)与外纸板(131)、外纸芯(132)及外疏水层(133)分别通过裁切机进行同尺寸的裁切；
步骤2：制备内/外纸板层：将裁切好的内纸板(111)与外纸板(131)分别通过上胶机在其两面进行均匀的涂胶，再在内纸板(111)的两面分别粘贴上裁切好的内纸芯(112)和内隔水层(113)，再在外纸板(131)的两面分别粘贴上裁切好的外纸芯(132)和外疏水层(133)，再将粘贴好的内纸板(111)与外纸板(131)分别进行晾干，获得内纸板层(11)与外纸板层(13)；
步骤3：填充EPS颗粒：将获得的外纸板层(13)与内纸板层(11)分别通过上胶机在外纸芯(132)与内纸芯(112)的表面进行均匀的涂胶，再通过制备辅助装置(2)使涂胶后的外纸板层(13)与内纸板层(11)采用水平的上下间隔分布，再在外纸板层(13)与内纸板层(11)之间均匀填充熟化好的预发泡EPS颗粒(121)；
步骤4：加热EPS颗粒：将外纸板层(13)通过制备辅助装置(2)朝内纸板层(11)方向进行压紧，压紧之后，再在外纸板层(13)的夹层中以及内纸板层(11)夹层中同时通入饱和蒸汽，使熟化好的预发泡EPS颗粒(121)再度吸热膨胀和熔融粘结成一体，同时，也使内纸板层(11)和外纸板层(13)与预发泡EPS颗粒(121)粘结成一体，获得泡沫复合纸板(1)。
2.根据权利要求1所述的一种泡沫复合纸板的制备方法，其特征在于：所述泡沫复合纸板(1)由多层材料相互粘连复合而成，所述泡沫复合纸板(1)从内到外依次包括内纸板层(11)、保温层(12)及外纸板层(13)，所述内纸板层(11)由内纸板(111)、内纸芯(112)及内隔水层(113)组成，所述保温层(12)采用熟化好的预发泡EPS颗粒(121)填充而成，所述外纸板层(13)由外纸板(131)、外纸芯(132)及外疏水层(133)组成。
3.根据权利要求2所述的一种泡沫复合纸板，其特征在于：所述内纸芯(112)与外纸芯(132)的横截面的结构均为等间距分布的等腰梯形。
4.根据权利要求2所述的一种泡沫复合纸板，其特征在于：所述内隔水层(113)采用铝箔纸，所述外疏水层(133)采用防水帆布。
5.根据权利要求1所述的一种泡沫复合纸板的制备方法，其特征在于：在步骤2和步骤3中，所述制备辅助装置(2)包括支撑板(21)、支撑架(22)、底板(23)、限位机构(24)及压紧机构(25)；
所述支撑板(21)和底板(23)分别安装于支撑架(22)的顶部和底部；
所述限位机构(24)位于支撑板(21)的下方并具体包括安装板一(242)、升降气缸一(243)、升降板一(244)、限位板(245)及侧挡板(247)，所述支撑架(22)的中部安装有水平的安装杆(241)，所述安装板一(242)安装于(241)的下侧，所述升降气缸一(243)竖直朝上安装于安装板一(242)的中间，所述升降板一(244)位于安装板一(242)的上方并居中安装于升降气缸一(243)的活塞杆末端，所述限位板(245)设有两个并前后对称安装于升降板一(244)上端面的前后两侧，所述限位板(245)的外侧安装有上下两排等间距分布的气管接头(246)，所述气管接头(246)通过气管与外界的饱和蒸汽连通，所述侧挡板(247)设有两个并左右对称安装于支撑板(21)上端面的左右两侧，当所述的限位板(245)上升至与所述的侧挡板(247)相同高度时，前后两个限位板(245)与左右两个侧挡板(247)可围成一个相对密封的矩形框，所述升降板一(244)的左右两侧对称设有导柱一(248)，所述导柱一(248)通过导套与安装板一(242)之间滑动配合；
所述压紧机构(25)位于支撑板(21)的上方并具体包括安装板二(252)、升降气缸二(253)、升降板二(254)、固定板(256)及真空吸盘(257)，所述支撑板(21)的上端面的拐角处均安装有竖直的支撑杆(251)，所述安装板二(252)安装于支撑杆(251)的顶部，所述升降气缸二(253)竖直朝下安装于安装板二(252)的中间，所述升降板二(254)位于安装板二(252)的下方并居中安装于升降气缸二(253)的活塞杆末端，所述固定板(256)位于升降板二(254)的下方并通过均匀分布的螺纹杆(255)与升降板二(254)连接，所述真空吸盘(257)设有若干个并均匀安装于固定板(256)上，所述真空吸盘(257)通过气管与外界的负压气源连通，所述升降板二(254)的左右两侧对称设有导柱二(258)，所述导柱二(258)通过导套与安装板二(252)之间滑动配合。
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CN210883082U (zh) * 2019-08-02 2020-06-30 佛山市高明爱博广告装饰材料有限公司 一种冷链保温纸箱
CN110962363A (zh) * 2019-12-24 2020-04-07 刘荷花 一种塑料泡沫包装成型加工方法

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Application publication date: 20201127