CN112044706A - 一种涂布刮刀涂层涂敷的工艺 - Google Patents
一种涂布刮刀涂层涂敷的工艺 Download PDFInfo
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Abstract
本发明涉及涂层涂敷技术领域，且公开了一种涂布刮刀涂层涂敷的工艺，括以下步骤：(1)将优质成品钢质涂布刮刀通过碱洗除去成品刀具上的保护油脂，然后用去离子水反复冲洗干净，然后烘干，备用；(2)选取一卷1‑2毫米厚，长度略长于优质成品钢质涂布刮刀的紫铜带，其宽度比优质成品钢质涂布刮刀窄2‑5毫米，通过酸洗和碱洗除去优质成品钢质涂布刮刀上的保护油脂，然后用去离子水反复冲洗干净，然后烘干。备用该涂布刮刀涂层涂敷的工艺，利用DLC的超高的硬度，超低的摩擦系数，及不粘特性，来提高刮刀的使用寿命，减少对油墨滚筒划伤，及提高涂布的效果，另外不像喷涂技术获得的涂层需要磨制刃口，DLC涂层结束后，无须再加工。
Description
技术领域
本发明涉及涂层涂敷技术领域，具体为一种涂布刮刀涂层涂敷的工艺。
背景技术
涂布刮刀广泛地应用于各类包装领域，有着广阔的发展前景。涂布刮刀主要用于--塑料薄膜、纸类、布料及皮革等材料的上胶涂布的复合加工，涂布设备大致上分为：热熔胶喷挤涂布，光辊上胶涂布和网纹辊上胶涂布等。目前，国内许多印刷包装机械企业使用涂布复合设备，其涂布种类和刮胶方式比较单一，涂布技术的应用也大受限制。无论那一种涂布复合设备，其关键部分就是涂布头(涂布刮刀)，而无论采用何种涂布刮胶方式，会直接影响涂布的质量和效果。
涂布刮刀常采用强度、硬度较好的合金工具钢制成，这种刮刀的强度，硬度高，刃口直线度误差小。刮胶时涂布刮刀固定不转动，采用气动和微调机构来调节和控制刮刀位置，涂布量控制和刮胶精度高，使用也极为方便，涂布逗号刀的优点是刮胶很均匀，适用于光辊上胶涂布的精确刮胶。涂布方式正朝着高速、高固含量的方向发展。涂布刮刀面临刮刀压力大，刮刀磨损快和腐蚀等问题。
近来为了提高钢质涂布刮刀耐腐蚀和易磨损的问题，往往在刮刀刃部喷涂一层陶瓷或硬质合金，这种方式加工成本高。作为油墨刮刀还容易划伤滚筒。
发明内容
(一)解决的技术问题
针对现有技术的不足，本发明提供了一种涂布刮刀涂层涂敷的工艺，利用DLC的超高的硬度，超低的摩擦系数，及不粘(疏水和疏油)特性，来提高刮刀的使用寿命，减少对油墨滚筒划伤，及提高涂布的效果，另外不像喷涂技术获得的涂层需要磨制刃口，DLC涂层结束后，无须再加工。
(二)技术方案
为实现上述提高刮刀的使用寿命，减少对油墨滚筒划伤，及提高涂布的效果的目的，本发明提供如下技术方案：一种涂布刮刀涂层涂敷的工艺，包括以下步骤：
(1)将优质成品钢质涂布刮刀通过碱洗除去成品刀具上的保护油脂，然后用去离子水反复冲洗干净，然后烘干，备用；
(2)选取一卷1-2毫米厚，长度略长于优质成品钢质涂布刮刀的紫铜带，其宽度比优质成品钢质涂布刮刀窄2-5毫米，通过酸洗和碱洗除去优质成品钢质涂布刮刀上的保护油脂，然后用去离子水反复冲洗干净，然后烘干，备用；
(3)将紫铜带和优质成品钢质涂布刮刀卷在钢质卷芯上，再用箍带扎紧，刮刀的刃部要高出铜带2-5毫米；
(4)将绑扎好的紫铜带和刮刀卷放入化学气相沉积或物理气相沉积真空腔中，进行气相沉积，以获得高质量的DLC涂层。
优选的，所述(1)中包括以下步骤：
S101，将优质成品钢质涂布刮刀放入容器内，并加入3-5L的酸性或碱性溶液，浸泡30-50min；
S102，将浸泡后的优质成品钢质涂布刮刀取出，并通过去离子水冲洗；
S103，将冲洗后的优质成品钢质涂布刮刀放置在烘干箱内，在温度 120-160℃下，放置60-120min。
优选的，所述酸性溶液为硫酸或盐酸的一种，所述碱性溶液为纯碱溶液。
优选的，所述(2)中包括以下步骤：
S201，将紫铜带放入容器内，并加入3-5L的碱性溶液，浸泡30-50min；
S102，将浸泡后的紫铜带取出，并通过去离子水冲洗；
S103，将冲洗后的紫铜带放置在烘干箱内，在温度120-160℃下，放置 60-120min；
优选的，所述(3)中包括以下结构：优质成品钢质涂布刮刀，数量大于三个，紫铜带、钢制卷芯和箍带，将优质成品钢质涂布刮刀放在紫铜带的外表面，将紫铜带和多个优质成品钢质涂布刮刀卷在钢质卷芯上，所述箍带缠绕在所述钢制卷芯的外表面。
优选的，所述(4)中包括以下步骤：
S1.所述真空腔的真空度≤2～3.0×10-3Pa，然后通入惰性气体，使真空室的气压保持在1-6Pa，采用气体离子源在直流偏压的作用下对优质成品钢质涂布刮刀进行等离子体刻蚀清洗；
S2，以碳靶为阴极，利用凯赛奥弧磁过滤沉积方法在所述基体上进行疏水DLC涂层的沉积。
优选的，所述气体离子源为霍尔离子源和考夫曼离子源的一种。
(三)有益效果
与现有技术相比，本发明提供了一种涂布刮刀涂层涂敷的工艺，具备以下有益效果：
该涂布刮刀涂层涂敷的工艺，利用DLC的超高的硬度，超低的摩擦系数，及不粘(疏水和疏油)特性，来提高刮刀的使用寿命，减少对油墨滚筒划伤，及提高涂布的效果，另外不像喷涂技术获得的涂层需要磨制刃口，DLC涂层结束后，无须再加工。
附图说明
图1为本发明中紫铜带和优质成品钢质涂布刮刀绑扎示意图。
图中：1优质成品钢质涂布刮刀、2紫铜带、3钢制卷芯、4箍带。
具体实施方式
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。
请参阅图1，一种涂布刮刀涂层涂敷的工艺，包括以下步骤：
(1)将优质成品钢质涂布刮刀通过碱洗除去成品刀具上的保护油脂，然后用去离子水反复冲洗干净，然后烘干，备用；
(2)选取一卷1-2毫米厚，长度略长于优质成品钢质涂布刮刀的紫铜带，其宽度比优质成品钢质涂布刮刀窄2-5毫米，通过酸洗和碱洗除去优质成品钢质涂布刮刀上的保护油脂，然后用去离子水反复冲洗干净，然后烘干，备用；
(3)将紫铜带和优质成品钢质涂布刮刀卷在钢质卷芯上，再用箍带扎紧，刮刀的刃部要高出铜带2-5毫米；
紫铜带的高导电性能有助于提高DLC涂层的均匀性；箍带的扎紧也有利于导电性的提高，也会提高DLC涂层的质量。铜带的厚度及高度差带来的刮刀刃部的空间，利于DLC气氛在刮刀刃部扩散和流动，从而获得良好的DLC 涂层。一般来说，铜带的厚度越厚，越有利于刮刀刃部DLC涂层的生长。但是，兼顾生产效率，一般紫铜带的厚度选取为0.5-2毫米厚。
(4)将绑扎好的紫铜带和刮刀卷放入化学气相沉积或物理气相沉积真空腔中，进行气相沉积，以获得高质量的DLC涂层。最好选择电子束增强技术，以降低气相沉积的温度，减少温度对钢质母材的影响。
进一步的，(1)中包括以下步骤：
S101，将优质成品钢质涂布刮刀放入容器内，并加入3-5L的酸性或碱性溶液，浸泡30-50min；
S102，将浸泡后的优质成品钢质涂布刮刀取出，并通过去离子水冲洗；
S103，将冲洗后的优质成品钢质涂布刮刀放置在烘干箱内，在温度 120-160℃下，放置60-120min。
进一步的，酸性溶液为硫酸或盐酸的一种，碱性溶液为纯碱溶液。
进一步的，(2)中包括以下步骤：
S201，将紫铜带放入容器内，并加入3-5L的碱性溶液，浸泡30-50min；
S102，将浸泡后的紫铜带取出，并通过去离子水冲洗；
S103，将冲洗后的紫铜带放置在烘干箱内，在温度120-160℃下，放置 60-120min；
进一步的，(3)中包括以下结构：优质成品钢质涂布刮刀1，数量大于三个，紫铜带2、钢制卷芯3和箍带4，将优质成品钢质涂布刮刀1放在紫铜带2的外表面，将紫铜带2和多个优质成品钢质涂布刮刀1卷在钢质卷芯3 上，箍带4缠绕在钢制卷芯3的外表面。
进一步的，(4)中包括以下步骤：
S1.真空腔的真空度≤2～3.0×10-3Pa，然后通入惰性气体，使真空室的气压保持在1-6Pa，采用气体离子源在直流偏压的作用下对优质成品钢质涂布刮刀进行等离子体刻蚀清洗；
S2，以碳靶为阴极，利用凯赛奥弧磁过滤沉积方法在基体上进行疏水DLC 涂层的沉积。
进一步的，气体离子源为霍尔离子源和考夫曼离子源的一种。
综上所述，该涂布刮刀涂层涂敷的工艺，利用DLC的超高的硬度，超低的摩擦系数，及不粘(疏水和疏油)特性，来提高刮刀的使用寿命，减少对油墨滚筒划伤，及提高涂布的效果，另外不像喷涂技术获得的涂层需要磨制刃口，DLC涂层结束后，无须再加工。
实施例：
实施例一：实验刮刀规格(A×B/c×d)为50mm×0.20mm/1.4mm×0.10mm， 100米长。根据实验刮刀规格，紫铜带的宽度为45mm，厚度为1mm，长度 100.5米。按图1所示将铜带和刮刀绑扎好。采用等离子增强化学气相沉积 (PECVD)法，沉积温度为180度左右，时间为10小时。最后获得DLC涂层厚度为2微米左右，硬度约为HV1800，摩擦系数约为0.1。使用寿命为未涂层刮刀寿命的4倍左右。
实施例二：实验刮刀规格(A×B/c×d)为50mm×0.20mm/1.4mm×0.10mm， 100米长。根据实验刮刀规格，紫铜带的宽度为45mm，厚度为1mm，长度 100.5米。按图1所示将铜带和刮刀绑扎好。采用磁控溅射物理气相沉积(PVD) 法，沉积温度为160度左右，时间为10小时。最后获得DLC涂层厚度为1.0 微米左右，硬度约为HV2000，摩擦系数约为0.1。使用寿命为未涂层刮刀寿命的5倍左右。
实施例三：实验刮刀规格(A×B/c×d)为50mm×0.20mm/1.4mm×0.10mm， 100米长。根据实验刮刀规格，紫铜带的宽度为45mm，厚度为2mm，长度 100.5米。按图1所示将铜带和刮刀绑扎好。采用磁控溅射物理气相沉积(PVD) 法，沉积温度为160度左右，时间为10小时。最后获得DLC涂层厚度为1.2 微米左右，硬度约为HV2200，摩擦系数约为0.1。使用寿命为未涂层刮刀寿命的8倍左右。
需要说明的是，术语“包括”、“包含”或者其任何其他变体意在涵盖非排他性的包含，从而使得包括一系列要素的过程、方法、物品或者设备不仅包括那些要素，而且还包括没有明确列出的其他要素，或者是还包括为这种过程、方法、物品或者设备所固有的要素。在没有更多限制的情况下，由语句“包括一个……”限定的要素，并不排除在包括所述要素的过程、方法、物品或者设备中还存在另外的相同要素。
本申请文件中使用到的标准零件均可以从市场上购买，而且根据说明书和附图的记载均可以进行订制，各个零件的具体连接方式均采用现有技术中成熟的常规手段，机械、零件和设备均采用现有技术中常规的型号，而且电路连接采用现有技术中常规的连接方式，在此不再作出具体叙述，同时该文中出现的电器元件均与外界的主控制器及市电电连接，说明书中提到的外设控制器可为本文提到的电器元件起到控制作用，而且该外设控制器为常规的已知设备。
尽管已经示出和描述了本发明的实施例，对于本领域的普通技术人员而言，可以理解在不脱离本发明的原理和精神的情况下可以对这些实施例进行多种变化、修改、替换和变型，本发明的范围由所附权利要求及其等同物限定。
Claims (7)
1.一种涂布刮刀涂层涂敷的工艺，其特征在于，包括以下步骤：
(1)将优质成品钢质涂布刮刀通过碱洗除去成品刀具上的保护油脂，然后用去离子水反复冲洗干净，然后烘干，备用；
(2)选取一卷1-2毫米厚，长度略长于优质成品钢质涂布刮刀的紫铜带，其宽度比优质成品钢质涂布刮刀窄2-5毫米，通过酸洗和碱洗除去优质成品钢质涂布刮刀上的保护油脂，然后用去离子水反复冲洗干净，然后烘干，备用；
(3)将紫铜带和优质成品钢质涂布刮刀卷在钢质卷芯上，再用箍带扎紧，刮刀的刃部要高出铜带2-5毫米；
(4)将绑扎好的紫铜带和刮刀卷放入化学气相沉积或物理气相沉积真空腔中，进行气相沉积，以获得高质量的DLC涂层。
2.根据权利要求1所述的一种涂布刮刀涂层涂敷的工艺，其特征在于，所述(1)中包括以下步骤：
S101，将优质成品钢质涂布刮刀放入容器内，并加入3-5L的酸性或碱性溶液，浸泡30-50min；
S102，将浸泡后的优质成品钢质涂布刮刀取出，并通过去离子水冲洗；
S103，将冲洗后的优质成品钢质涂布刮刀放置在烘干箱内，在温度120-160℃下，放置60-120min。
3.根据权利要求2所述的一种涂布刮刀涂层涂敷的工艺，其特征在于：所述酸性溶液为硫酸或盐酸的一种，所述碱性溶液为纯碱溶液。
4.根据权利要求1所述的一种涂布刮刀涂层涂敷的工艺，其特征在于，所述(2)中包括以下步骤：
S201，将紫铜带放入容器内，并加入3-5L的碱性溶液，浸泡30-50min；
S102，将浸泡后的紫铜带取出，并通过去离子水冲洗；
S103，将冲洗后的紫铜带放置在烘干箱内，在温度120-160℃下，放置60-120min。
5.根据权利要求1所述的一种涂布刮刀涂层涂敷的工艺，其特征在于,所述(3)中包括以下结构：优质成品钢质涂布刮刀(1)，数量大于三个，紫铜带(2)、钢制卷芯(3)和箍带(4)，将优质成品钢质涂布刮刀(1)放在紫铜带(2)的外表面，将紫铜带(2)和多个优质成品钢质涂布刮刀(1)卷在钢质卷芯(3)上，所述箍带(4)缠绕在所述钢制卷芯(3)的外表面。
6.根据权利要求1所述的一种涂布刮刀涂层涂敷的工艺，其特征在于，所述(4)中包括以下步骤：
S1，所述真空腔的真空度≤2～3.0×10-3Pa，然后通入惰性气体，使真空室的气压保持在1-6Pa，采用气体离子源在直流偏压的作用下对优质成品钢质涂布刮刀进行等离子体刻蚀清洗；
S2，以碳靶为阴极，利用凯赛奥弧磁过滤沉积方法在所述基体上进行疏水DLC涂层的沉积。
7.根据权利要求6所述的一种涂布刮刀涂层涂敷的工艺，其特征在于：所述气体离子源为霍尔离子源和考夫曼离子源的一种。
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