CN104379337A - 纸板制造的改进以及与纸板制造相关的改进 - Google Patents
纸板制造的改进以及与纸板制造相关的改进 Download PDFInfo
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Abstract
一种用于生产瓦楞纸板的机器,所述机器包括:环状的带凹槽的传送带组件,环状的带凹槽的传送带组件具有环状的带凹槽的传送带,环状的带凹槽的传送带上包括多个相邻的凹槽,其中,凹槽构造成与位于环状凹槽传送机组件的上游端部处的瓦楞辊上的齿对应;至少一个电磁辐射源和关联支撑表面,所述关联支撑表面还充分地邻近于环状的带凹槽的传送带上的凹槽,从而在使用中能够至少部分地将新粘合的平面薄板与瓦楞薄板原料保持在一起;并且其中,机器还包括工业喷墨印刷机,该工业喷墨印刷机定位成在平面衬垫薄板被粘合至瓦楞薄板原料之前对该衬垫薄板进行印刷。
Description
技术领域
本发明涉及纸板制造的改进以及与纸板制造相关的改进。
背景技术
在传统的瓦楞纸板的制造中,瓦楞薄板原料是通过将待形成瓦楞的纸张在两个瓦楞辊之间行进而形成。
在图1中描述的US 4,447,285的示例性实例中示出了这种情况。在图1中可见,纸张在被啮合于两个互相啮合的辊之间之后至少部分地围绕辊中的一个而行进,以使新形成的纸张凹槽(flute,褶皱)能够保持与下文形式的辊的瓦楞接触。新形成凹槽的纸张抵靠瓦楞辊的瓦楞的这种保持(瓦楞辊使纸张相互啮合在相对的瓦楞辊之间)有助于在层压成平面衬垫薄板之前降低纸张新形成的凹槽轮廓的退化。此外,因为凹槽搁置在瓦楞辊的瓦楞齿上,所以这种保持能够使胶辊接触凹槽尖端而在不使凹槽变形;并且因为衬垫薄板被带入到接触中,所以这种保持还能够使压力辊接触凹槽尖端并向凹槽尖端施加压力以形成单面瓦楞纸板。
然而,如图1中所示的传统的瓦楞成形机的缺点在于,因为新形成瓦楞的介质围绕瓦楞成形机的辊中的一个行进,所以瓦楞成形机将新形成瓦楞的介质转动至少90℃或更多。该转动是缺点的原因在于,纸张处于过度的张力下,这进而会引起瓦楞的些许平展。
本发明的一个目的是解决前述问题或者至少向公众提供一种有用的选择。
所有参考文献(包括在本说明书中所引用的任何专利或专利申请)通过引证结合于此。未许可任何参考文献构成现有技术。对参考文献的讨论表明了其作者的主张,并且申请人保留了对引用文件的准确性和相关性提出质疑的权利。将清楚理解的是,虽然本文引用了多个现有技术公开文件,但在新西兰或任何其他国家,该引用并不构成对以下的事实的许可,即,未许可这些文献中的任意一个构成本领域公知常识的一部分。
在整个说明书中,词语“包括(comprise)”或其变形(诸如“包括(comprises)”或“包括(comprising)”)应理解为是指包括所提出的元件、整体或步骤、或者包括元件、整体或步骤的组,但不排除任何其他元件、整体或步骤、或者元件、整体或步骤的组。
从仅通过实例的方式给出的后文的描述中将使本发明的其他方面和优点变得显而易见。
定义
如本文中所使用的术语“关联支撑表面”指的是一种基本平面的表面,电磁磁辐射可从该表面或穿过该表面而直接或间接地发射。
如本文中所使用的术语“工业喷墨印刷机”指的是一种具有印刷机头的单通道高速喷墨印刷机,该印刷机头具有跨在待印刷的原料的宽度上的多个喷嘴并且该印刷机头优选地包括热源。
发明内容
根据第一方面,提供了一种用于生成瓦楞纸板的机器,该机器包括:
-环状的带凹槽的传送带组件,该环状的带凹槽的传送带组件具有环状的带凹槽的传送带,该环状的带凹槽的传送带上包括多个相邻的凹槽,其中,凹槽构造成与位于环状凹槽传送机组件的上游端部处的瓦楞辊上的齿对应;
-至少一个电磁辐射源和关联支撑表面,该至少一个电磁辐射源和关联支撑表面位于上胶器的下游,关联支撑表面还充分地邻近于环状的带凹槽的传送带上的凹槽,从而在使用中能够至少部分地将新粘合的平面薄板与瓦楞薄板原料保持在一起。
根据本发明的第二方面,提供了一种基本上如上文描述的用于生产瓦楞纸板的机器,其中,关联支撑表面覆盖电磁辐射源。
根据本发明的第三方面,提供了一种基本上如上文描述的用于生产瓦楞纸板的机器,其中,关联支撑表面也是电磁辐射源本身。
根据本发明的第四方面,提供了一种基本上如上文描述的用于生产瓦楞纸板的机器,其中,电磁辐射源和关联支撑表面相邻地位于重定向条的下游,该重定向条使平面薄板与瓦楞薄板原料的顶部上的粘合剂的小滴接触。
根据本发明的第五方面,提供了一种基本上如上文描述的用于生产瓦楞纸板的机器,其中,关联支撑表面相邻地位于重定向条的下游,该重定向条使平面薄板与瓦楞薄板原料的顶部上的粘合剂的小滴接触。
根据本发明的第六方面,提供了一种基本上如上文描述的用于生产瓦楞纸板的机器,其中,该机器包括环状张力带组件,该环状张力带组件将平面薄板原料与瓦楞薄板原料保持在一起使得在平面薄板原料与瓦楞薄板原料之间形成粘合部,所述粘合部相邻地位于电磁辐射源和关联支撑表面下游。
根据本发明的第七方面,提供了一种基本上如上文描述的用于生产瓦楞纸板的机器,其中,该机器包括层压模块,该层压模块包括:
-相对的上部和下部接触表面,该相对的上部和下部接触表面中的至少一个是张力传送带的形式,所述相对的上部和下部接触表面在使用中被构造成将a)平面薄板原料和b)来自瓦楞成形机模块的单面瓦楞薄板原料接收并按压在它们之间:以及
-上胶器,该上胶器在单面瓦楞板和/或平面薄板原料在上部和下部接触表面之间行进之前将粘合剂应用至单面瓦楞板和/或平面薄板原料,所述上部和下部接触表面将平面薄板原料与单面瓦楞板保持在一起,以使得在平面薄板原料与单面瓦楞板之间形成粘合部;并且
-其中,相对的上部和下部接触表面中的任一个均包括作为其本身一部分的至少一个电磁辐射源和关联支撑表面,或者该相对的上部和下部接触表面中的任一个均由至少一个电磁辐射源和关联支撑表面形成,关联支撑表面定位成使得至少部分地将新粘合的双面薄板原料保持在一起。
根据第八方面,提供了一种基本上如上文描述瓦楞薄板原料。根据第九方面,提供了一种基本如上文描述的用于生产瓦楞纸板的机器,其中,该机器包括工业喷墨印刷机,该工业喷墨印刷机定位成在平面衬垫薄板被粘合至瓦楞薄板原料之前对该衬垫薄板进行印刷。
根据第十方面,提供了一种基本上如上文描述的用于生产瓦楞纸板的机器,其中,该机器包括电流计头部激光单元,该电流计头部激光单元定位成对离开机器的纸板进行切割。
根据第十一方面,通过无需蒸汽的工艺提供了一种用于生产瓦楞纸板的机器,该机器包括定位成在衬垫薄板被粘合至瓦楞介质之前对该衬垫薄板进行印刷的工业喷墨印刷机。
根据第十二方面,通过无需蒸汽的工艺提供了一种用于生产瓦楞纸板的机器,该机器包括定位成对离开机器的纸板进行切割的电流计头部激光单元。
根据第十三方面,通过无需蒸汽的工艺提供了一种增加用于生产瓦楞纸板的机器的速度的方法,通过使用上游工业喷墨印刷机而在衬垫薄板粘合至瓦楞介质之前使该衬垫薄板升温。
附图说明
从仅以实例的方式给出的后文描述并参考附图将使本发明的其他方面变得显而易见,在附图中:
图1示出了从US 4,447,285的图2获得的示例性的现有技术的瓦楞成形机。
图2示出了根据本发明的一方面的单面线性瓦楞成形机的示意性立体图;
图3示出了根据本发明的另一方面的双面线性瓦楞成形机的侧视图;
图4示出了根据本发明的另一方面的双面线性瓦楞成形机的示意性侧视图。
具体实施方式
图2示出了一种用于制造单面瓦楞薄板原料的装置,该装置为总体上由箭头(100)表示的单面线性瓦楞成形机的形式。图3示出了图2中的装配有双面层压站的单面瓦楞成形机(100)。为了便于参考,在图3中示出并且未在图1中示出在瓦楞成形机(100)中使用的纸张薄板。
在图2中,单面线性瓦楞成形机(100)具有环状板条传送带组件(101),该环状板条传送带组件具有由多个相邻的凹槽板条(未示出)构成的环状的带凹槽的传送带(102),该环状的带凹槽的传送带通过具有马达(未示出)和驱动链轮(103)的驱动机构而被驱动。环状传送带组件(101)具有多个空转辊(104),多个空转辊保持传送带(102)被按压在以下结构上:
-片状石英玻璃(111)形式的关联支撑表面,该关联支撑表面覆盖一堆中波红外加热器(112)形式的电磁辐射源,该电磁辐射源在新粘合的单面纸板的行进方向上沿着玻璃111的长度跨在瓦楞成形机的宽度上;以及
-环状张力带组件(150)。
在已知的技术中未给出环状张力带组件(150)的传动机构和辊的这种布置。
线性单面瓦楞成形机(100)具有由多个间隔开的相邻的瓦楞盘构成的瓦楞辊(106),该瓦楞盘由主轴(198)定位。在每个瓦楞盘之间的是支撑指(199),该支撑指在牛皮纸(180)进入瓦楞成形机(100)时保持待形成瓦楞的牛皮纸(180)抵靠环状的带凹槽的传送带(102)上的凹槽板条。
环状板条传送带组件(101)具有真空泵(105),该真空泵可将真空装置施加至刚穿过瓦楞辊(106)与环状板条传送带(102)之间的牛皮纸形式的新的瓦楞薄板原料(未示出)。相邻的板条之间的间隙允许将真空传递到瓦楞牛皮纸上,这种特征在现有技术中是已知的并且在申请人的早期专利申请WO 2011/122968的图11中示出了这种特征。
在离开瓦楞辊(106)之后,瓦楞牛皮纸具有可控量的粘合剂(未示出),该可控量的粘合剂通过具有螺旋槽表面(未描述)的胶辊(108)而应用至顶部(未示出)的顶点接触部(未示出)。在使用中,从胶盘(未示出)获得粘合剂并且粘合剂通过胶拾取辊(109)而传输至胶辊(108)。
牛皮纸形式的原料的平面薄板(本文中为“第一衬垫薄板”)(181)围绕重定向条(110)而穿过,并且该平面薄板在环状的带凹槽的传送带表面(102)与关联支撑表面(111)之间被供给。重定向条(110)和与表面(102)结合的一组空转辊(104)将压力施加至瓦楞纸张和衬垫薄板以将其保持在一起直到至少部分地形成粘合。
此外,来自中波IR加热器(112)的热量有助于设置粘合剂,该粘合剂将瓦楞纸张保持在衬垫板上以形成单面纸板(182)。为了进一步确保已经在瓦楞纸张与衬垫薄板之间形成粘合,新形成的单面纸板(182)进而沿着环状张力带组件(150)行进。电磁辐射源和关联支撑便面(111)相对于新形成的瓦楞纸板行进方向的长度取决于新形成的瓦楞纸板的行进速度以及所使用的粘合剂的粘合时间。
图3示出了一种如由箭头(200)表示的双面装置。装置(200)的下方定位有基本如上文相对于图2描述的线性瓦楞成形机(100)形式的单面瓦楞模块。
可以看出,如示出的,待形成瓦楞的牛皮纸(180)进入瓦楞辊(106)上游的线性瓦楞成形机(100),并且将形成第一衬垫薄板的牛皮纸(181)进入胶辊(108、109)后方的线性瓦楞成形机(100)。
双面装置(200)具有环状相对张力带组件(201、202)形式的相对的上部和下部接触表面以及上胶器和夹持辊组件(203),单面瓦楞板(182)在进入双面装置(200)之前穿过该上胶器和夹持辊组件。胶辊组件(203)与相对于图2描述的胶辊组件基本相同。形成双面衬垫薄板的牛皮纸(183)进入装置(200),并且该牛皮纸在与单面瓦楞板一起在由箭头(205)表示的点处进入双面装置(200)之前在线性瓦楞成形机(100)的环状板条传送机(101)顶端上方的支撑条(204)上行进。
双面装置(200)还具有作为下接触表面一部分的关联支撑表面(206),该关联支撑表面定位在一堆中波红外加热器(207)形式的电磁辐射源上方,该电磁辐射源定位在重定向条(208)的下游且与其相邻的位置处,该重定向条将衬垫薄板(183)引导进入双面装置(200)中。
本领域的技术人员应当认识到,在图2和图3中示出的实施方式中使用的平面薄板原料在一些实施方式中可利用高质量的图形图像和/或文本而预印刷。例如,在图3中,平面薄板原料(183)可被预印刷。
在图4中存在一种用于生产双面瓦楞纸板的装置(1000)。该装置与图3中示出的装置类似但其包括多个另外特征:
第一,装置(1000)包括由XAAR(www.xaar.com)制造的工业UV喷墨印刷机(1001),第一衬垫薄板(1002)在围绕重定向条(110)行进并在环状凹槽传送机表面(102)与关联支撑表面(111)之间被供给之前穿过该工业UV喷墨印刷机。
第二,装置(1000)包括电流计头部CNC激光站(1003),该电流计头部CNC激光站接收从双面装置(200)离开的双面板(1004)。电流计头部CNC激光站(1003)根据预编程生产的产品而对双面板进行切割、刻划或标记。例如,电流计头部CNC激光站可生产盒坯件(1005)或其他瓦楞产品坯件(未示出)。电流计头部CNC激光站包括光扫描器,该光扫描器能够使激光追踪纸板的变化速度。
这个实施方式具有提供其他优点的多种特征,其可包括:
-作为用于纸板制造的连续加工或流水线的一部分的印刷高质量图形图像的能力;
-增加印刷纸板的生产速度的能力;
-当工业喷墨印刷机具有对衬垫薄板进行预热的热源时使纸板的制造加工速度提高的能力(这使得粘合剂的固化时间减少);以及
-作为用于纸板制造的连续加工的一部分的生产预先印刷的盒的能力。
实施本发明的可替换方式的详细讨论
电磁辐射源可包括能够直接地或间接地加热纸张和/或加热或固化适于将纸张薄板彼此粘合的粘合剂的任何电磁辐射源。
在一些实施方式中,可存在两种或更多种不同类型的电磁辐射源。例如,可存在红外辐射源和UV辐射源。
在一些实施方式中,辐射源的其他类型可用于除了使粘合剂固化之外的目的。
在一个实施方式中,电磁辐射源可为中波IR加热器。
在另一个实施方式中,电磁辐射源可为中波碳红外加热器。
在又一个实施方式中,电磁辐射源可为中波石英红外加热器。
在又一个实施方式中,电磁辐射源可为中波IR LED。
在另一个实施方式中,电磁辐射源可为中波陶瓷IR加热器。
在又另一个实施方式中,电磁辐射源可为UV灯。
在不背离本发明的范围的前提下,关联支撑表面可为多种不同的形式。
在一个实施方式中,关联支撑表面可具有连续不间断的支撑表面,所述表面提供用于发射电磁辐射或允许电磁辐射穿过所述边绵绵。
在另一个实施方式中,关联支撑表面可具有多个孔或狭槽,该多个孔或狭槽允许电磁辐射穿过其中。布置孔和狭槽使得关联支撑表面仍然能够支撑新形成的瓦楞单面或双面纸板。
在一个实施方式中,关联支撑表面可为CLEARCERAMTM微晶玻璃(glass-ceramic,玻璃陶瓷)。
在另一个实施方式中,关联支撑表面可为石英玻璃。
在一些实施方式中,玻璃可为低热膨胀玻璃。
关联支撑表面可优选地布置成能够相对于环状凹槽传送机而升高或降低。这种朝向和远离环状凹槽传送机而移动关联支撑表面的能力提供了多个优点,两个非限制性的实例为:
-在层压加工期间调节位于平面和瓦楞薄板原料上的压力程度;以及
-如果机器停止,则允许EMR表面自动地远离与平面和瓦楞薄板原料接触而移动,从而降低任何火灾风险。
仅通过实例的方式描述了本发明的多个方面,并且应当认识到,在不背离所附权利要求中限定的范围的前提下可对本发明进行修改和添加。
Claims (11)
1.一种用于生产瓦楞纸板的机器,所述机器包括:
-环状的带凹槽的传送带组件,所述环状的带凹槽的传送带组件具有环状的带凹槽的传送带,所述环状的带凹槽的传送带上包括多个相邻的凹槽,其中,所述凹槽构造成与位于所述环状的带凹槽的传送带组件的上游端部处的瓦楞辊上的齿对应;
-至少一个电磁辐射源和关联支撑表面,所述至少一个电磁辐射源和所述关联支撑表面位于上胶器的下游,所述关联支撑表面还定位成与所述环状的带凹槽的传送带的平面平行,所述关联支撑表面还充分地邻近于所述环状的带凹槽的传送带上的所述凹槽,从而在使用中能够至少部分地将新粘合的平面薄板与瓦楞薄板原料保持在一起。
2.根据权利要求1所述的机器,其中,所述机器还包括工业喷墨印刷机,所述工业喷墨印刷机定位成在平面衬垫薄板被粘合至瓦楞薄板原料之前对所述衬垫薄板进行印刷。
3.根据权利要求1所述的用于生产瓦楞纸板的机器,其中,所述关联支撑表面覆盖电磁辐射源。
4.根据权利要求1所述的用于生产瓦楞纸板的机器,其中,所述关联支撑表面也是所述电磁辐射源本身。
5.根据前述权利要求中任一项所述的用于生产瓦楞纸板的机器,其中,所述电磁辐射源和所述关联支撑表面相邻地定位于重定向条的下游,所述重定向条使所述平面薄板与所述瓦楞薄板原料的顶部上的粘合剂的小滴接触。
6.根据权利要求1至4中任一项所述的用于生产瓦楞纸板的机器,其中,所述关联支撑表面相邻地位于重定向条的下游,所述重定向条使所述平面薄板与所述瓦楞薄板原料的顶部上的粘合剂的小滴接触。
7.根据前述权利要求中任一项所述的用于生产瓦楞纸板的机器,其中,所述机器包括环状张力带组件,所述环状张力带组件将平面薄板原料与所述瓦楞薄板原料保持在一起,以使得在所述平面薄板原料与所述瓦楞薄板原料之间形成粘合部,所述粘合部相邻地位于所述电磁辐射源和所述关联支撑表面的下游。
8.根据权利要求1所述的用于生产瓦楞纸板的机器,其中,所述机器包括层压模块,所述层压模块包括:
-相对的上部和下部接触表面,所述相对的上部和下部接触表面中的至少一个是张力传送带的形式,所述相对的上部和下部接触表面在使用中被构造成将a)平面薄板原料和b)来自瓦楞成形机模块的单面瓦楞薄板原料接收并按压在它们之间;以及
-上胶器,所述上胶器用于在所述单面瓦楞板和/或所述平面薄板原料在所述上部和下部接触表面之间行进之前将粘合剂应用至所述单面瓦楞板和/或所述平面薄板原料,所述上部和下部接触表面将所述平面薄板原料与所述单面瓦楞板保持在一起,使得在所述平面薄板原料与所述单面瓦楞板之间形成粘合部;并且
-其中,所述相对的上部和下部接触表面中的任一个均包括作为其本身一部分的至少一个电磁辐射源和关联支撑表面,或者所述相对的上部和下部接触表面中的任一个均由至少一个电磁辐射源和关联支撑表面构成,所述关联支撑表面定位成至少部分地将新粘合的双面薄板原料保持在一起;并且
-其中,所述机器还包括工业喷墨印刷机,所述工业喷墨印刷机定位成在平面衬垫薄板被粘合至瓦楞薄板原料之前对所述衬垫薄板进行印刷。
9.一种由根据前述权利要求中任一项所述的机器生产的瓦楞薄板原料。
10.根据权利要求1或权利要求8所述的用于生产瓦楞纸板的机器,其中,所述机器包括工业喷墨印刷机,所述工业喷墨印刷机定位成在平面衬垫薄板被粘合至瓦楞薄板原料之前对所述衬垫薄板进行印刷
11.根据权利要求1或权利要求7所述的用于生产瓦楞纸板的机器,其中,所述机器包括电流计头部激光单元,所述电流计头部激光单元定位成对离开所述机器的纸板进行切割。
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IT201800005172A1 (it) * | 2018-05-08 | 2019-11-08 | Un contenitore in cartone preferibilmente del tipo ondulato e con stampa digitale ad inchiostro UV | |
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- 2013-05-09 SG SG11201407960QA patent/SG11201407960QA/en unknown
- 2013-05-09 CA CA2915642A patent/CA2915642A1/en not_active Abandoned
- 2013-05-09 US US14/406,932 patent/US20150151505A1/en not_active Abandoned
- 2013-05-09 CN CN201380031322.6A patent/CN104379337A/zh active Pending
- 2013-05-09 KR KR20157001099A patent/KR20150027220A/ko active IP Right Grant
- 2013-05-09 BR BR112014031239A patent/BR112014031239A2/pt not_active IP Right Cessation
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Also Published As
Publication number | Publication date |
---|---|
EP2861415A4 (en) | 2016-09-28 |
WO2013187775A1 (en) | 2013-12-19 |
CA2915642A1 (en) | 2013-12-19 |
ZA201409357B (en) | 2015-11-25 |
BR112014031239A2 (pt) | 2017-06-27 |
HK1207603A1 (zh) | 2016-02-05 |
RU2015101097A (ru) | 2016-08-10 |
EP2861415A1 (en) | 2015-04-22 |
CL2014003401A1 (es) | 2015-04-17 |
JP2016504973A (ja) | 2016-02-18 |
US20150151505A1 (en) | 2015-06-04 |
SG11201407960QA (en) | 2014-12-30 |
MX2014014728A (es) | 2015-03-06 |
KR20150027220A (ko) | 2015-03-11 |
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