CN113210612A - 一种基于激光熔覆技术的液压油缸再制造方法 - Google Patents
一种基于激光熔覆技术的液压油缸再制造方法 Download PDFInfo
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Abstract
本发明一种基于激光熔覆技术的液压油缸再制造方法,属于机械加工领域。一种能够提高液压油缸外缸体激光熔覆效率,缩短整体再制造节拍的再制造方法,通过多个沿轴向设置的喷头,通过针对增材需求,调节不同参数,进行多段同步激光熔覆,提高熔覆效率。
Description
技术领域
本发明一种基于激光熔覆技术的液压油缸再制造方法,属于机械加工领域。
背景技术
目前,在矿山机械设备使用过程中,需要大量的液压结构进行支撑、平移,随着使用推移,部分液压结构需要退役或修复,例如液压油缸的缸体,但由于缸体结构其本身成本高,数量巨大,直接弃用浪费严重,整理了大量的后续处理成本,因此会采用再制造工艺进行增材修复,通过激光熔覆在磨损区域增材,然后用加工设备进行进一步的加工至需求尺寸,现有激光熔覆工艺多采用单一的喷头,且对于大跨度的工件进行激光熔覆时,只能够单一的进行逐步的涂覆,效率低下,整体节拍长,整体管理成本高。
发明内容
本发明要解决的技术问题就是克服以上的技术缺陷,提供了一种能够提高液压油缸外缸体激光熔覆效率,缩短整体再制造节拍的再制造方法。
本发明一种基于激光熔覆技术的液压油缸再制造方法,步骤如下:
步骤一:对回收的液压油缸进行表面清洁,去除表面的锈迹、涂层,干燥待用;
所述表面清洁采用机械清洁和/或化学清洁;
所述液压油缸干燥方式为晾干、烘干、气吹;
步骤二:对液压油缸进行表面增材;
所述表面增材采用激光熔覆进行增材,所述激光熔覆采用多激光喷头等距设置,激光熔覆头沿液压油缸轴向平移,液压油缸匀速回转,在液压油缸表面形成螺旋熔覆层;
所述多个激光喷头平移速度能够独立调节控制;
所述激光熔覆采用金属粉末采用Ni基金属粉末;
所述Ni基金属粉末的化学成分及其质量百分比为:
0.1-2.0%C;20.0-30.0%Co;1.0-5.0%Zn;1.0-5.0%Mo;Si≤1.5%;Fe≤2.0%;Mn≤2.0%;P≤0.030%;S≤0.030%,余量为Ni和不可避免的杂质;
所述Ni基金属粉末粒度为10-50μm;
步骤三:对步骤二得到的毛坯进行尺寸加工;
步骤四:表面处理涂覆漆膜;
本发明还涉及一种多激光喷头平移装置,由主体架、端部固定架、喷头固定架、螺杆、导向杆和丝杠电机组成,主体架上部设置有连接挂耳,下部设设置有固定盘,固定盘上设置有贯穿的孔槽,导向杆对应置于孔槽内,所述导向杆向主体架两端延伸,两个端部固定架对应置于导向杆端部,螺杆置于端部固定架,喷头固定架套置于导向杆上,丝杠电机置于螺杆上,且和喷头固定架对应连接,所述导向杆拼接置于主体架上,所述主体架至少为一个;
使用时,将喷头安装在喷头固定架上,丝杠电机独立的和伺服控制器连接,根据所要针对的液压油缸表面工作需求,设置不同的丝杠电机的转速,调节激光熔覆的增材的间隙,以及通过不同的金属粉末进行多种涂层的熔覆。
本发明还涉及一种激光喷头气体防护罩,由罩体、连接耳、导入管、后置垫板、滑槽、滑动销、前置垫板和胶垫组成,防护罩为一侧设置有导入管,所述导入管斜向设置,连接耳置于防护罩顶部,所述防护罩为双层罩体结构,中部设置有台阶,防护罩的底部边缘为变高度结构,前置垫板、后置垫板对应置于防护罩底部,前置垫板、后置垫板搭接,所述前置垫板上设置有滑动销,后置垫板上设置有互动滑槽,所述前置垫板、后置垫板和防护罩之间设置有胶垫。
有益效果:
一、能够针对不同的需求进行针对性的金属粉末、参数的调节设置。
二、压缩生产节拍,提高再再制造效率。
三、操作方便,防尘防护。
附图说明
图1为本发明一种多激光喷头平移装置的立体结构图。
图2为本发明一种激光喷头气体防护罩的立体结构图。
图3为本发明一种激光喷头气体防护罩的结构示意图。
附图中:
主体架(1),端部固定架(2),喷头固定架(3),螺杆(4),导向杆(5),丝杠电机(6),罩体(7),连接耳(8),导入管(9),后置垫板(10),滑槽(11),滑动销(12),前置垫板(13),胶垫(14)。
具体实施方式
下面结合附图来进一步说明本发明的具体实施方式。其中相同的零部件用相同的附图标记表示。
需要说明的是,下面描述中使用的词语“前”、“后”、“左”、“右”、“上”和“下”指的是附图1中进行判断的方向,词语“内”和“外”分别指的是朝向或远离特定部件几何中心的方向。
本发明一种基于激光熔覆技术的液压油缸再制造方法,步骤如下:
步骤一:对回收的液压油缸进行表面清洁,去除表面的锈迹、涂层,干燥待用;
所述表面清洁采用机械清洁和/或化学清洁;
所述液压油缸干燥方式为晾干、烘干、气吹;
步骤二:对液压油缸进行表面增材;
所述表面增材采用激光熔覆进行增材,所述激光熔覆采用多激光喷头等距设置,激光熔覆头沿液压油缸轴向平移,液压油缸匀速回转,在液压油缸表面形成螺旋熔覆层;
所述多个激光喷头平移速度能够独立调节控制;
所述激光熔覆采用金属粉末采用Ni基金属粉末;
所述Ni基金属粉末的化学成分及其质量百分比为:
0.1-2.0%C;20.0-30.0%Co;1.0-5.0%Zn;1.0-5.0%Mo;Si≤1.5%;Fe≤2.0%;Mn≤2.0%;P≤0.030%;S≤0.030%,余量为Ni和不可避免的杂质;
所述Ni基金属粉末粒度为10-50μm;
步骤三:对步骤二得到的毛坯进行尺寸加工;
步骤四:表面处理涂覆漆膜;
本发明还涉及一种多激光喷头平移装置,由主体架、端部固定架、喷头固定架、螺杆、导向杆和丝杠电机组成,主体架上部设置有连接挂耳,下部设设置有固定盘,固定盘上设置有贯穿的孔槽,导向杆对应置于孔槽内,所述导向杆向主体架两端延伸,两个端部固定架对应置于导向杆端部,螺杆置于端部固定架,喷头固定架套置于导向杆上,丝杠电机置于螺杆上,且和喷头固定架对应连接,所述导向杆拼接置于主体架上,所述主体架至少为一个。
使用时,将喷头安装在喷头固定架上,丝杠电机独立的和伺服控制器连接,根据所要针对的液压油缸表面工作需求,设置不同的丝杠电机的转速,调节激光熔覆的增材的间隙,以及通过不同的金属粉末进行多种涂层的熔覆;
本发明还涉及一种激光喷头气体防护罩,由罩体、连接耳、导入管、后置垫板、滑槽、滑动销、前置垫板和胶垫组成,防护罩为一侧设置有导入管,所述导入管斜向设置,连接耳置于防护罩顶部,所述防护罩为双层罩体结构,中部设置有台阶,防护罩的底部边缘为变高度结构,前置垫板、后置垫板对应置于防护罩底部,前置垫板、后置垫板搭接,所述前置垫板上设置有滑动销,后置垫板上设置有互动滑槽,所述前置垫板、后置垫板和防护罩之间设置有胶垫。
达到对液压油缸进行激光熔覆的目的。
以上对本发明及其实施方式进行了描述,这种描述没有限制性,附图中所示的也只是本发明的实施方式之一,实际的结构并不局限于此。总而言之如果本领域的普通技术人员受其启示,在不脱离本发明创造宗旨的情况下,不经创造性的设计出与该技术方案相似的结构方式及实施例,均应属于本发明的保护范围。
Claims (7)
1.一种基于激光熔覆技术的液压油缸再制造方法,其特征在于:步骤如下:
步骤一:对回收的液压油缸进行表面清洁,去除表面的锈迹、涂层,干燥待用;
所述表面清洁采用机械清洁和/或化学清洁;
所述液压油缸干燥方式为晾干、烘干、气吹;
步骤二:对液压油缸进行表面增材;
所述表面增材采用激光熔覆进行增材,所述激光熔覆采用多激光喷头等距设置,激光熔覆头沿液压油缸轴向平移,液压油缸匀速回转,在液压油缸表面形成螺旋熔覆层;
所述多个激光喷头平移速度能够独立调节控制;
所述激光熔覆采用金属粉末采用Ni基金属粉末;
步骤三:对步骤二得到的毛坯进行尺寸加工;
步骤四:表面处理涂覆漆膜。
2.根据权利要求1所述一种基于激光熔覆技术的液压油缸再制造方法,其特征在于:所述Ni基金属粉末的化学成分及其质量百分比为:
0.1-2.0%C;20.0-30.0%Co;1.0-5.0%Zn;1.0-5.0%Mo;Si≤1.5%;Fe≤2.0%;Mn≤2.0%;P≤0.030%;S≤0.030%,余量为Ni和不可避免的杂质;
所述Ni基金属粉末粒度为10-50μm。
3.根据权利要求1所述一种基于激光熔覆技术的液压油缸再制造方法,其特征在于:所述步骤二激光喷头平移装置,由主体架、端部固定架、喷头固定架、螺杆、导向杆和丝杠电机组成,主体架上部设置有连接挂耳,下部设设置有固定盘,固定盘上设置有贯穿的孔槽,导向杆对应置于孔槽内,所述导向杆向主体架两端延伸,两个端部固定架对应置于导向杆端部,螺杆置于端部固定架,喷头固定架套置于导向杆上,丝杠电机置于螺杆上,且和喷头固定架对应连接,所述导向杆拼接置于主体架上,所述主体架至少为一个。
4.根据权利要求1所述一种基于激光熔覆技术的液压油缸再制造方法,其特征在于:步骤二激光喷头设置有防护罩,所述防护罩由罩体、连接耳、导入管、后置垫板、滑槽、滑动销、前置垫板和胶垫组成,防护罩为一侧设置有导入管,所述导入管斜向设置,连接耳置于防护罩顶部,所述防护罩为双层罩体结构,中部设置有台阶,防护罩的底部边缘为变高度结构,前置垫板、后置垫板对应置于防护罩底部,前置垫板、后置垫板搭接,所述前置垫板上设置有滑动销,后置垫板上设置有互动滑槽,所述前置垫板、后置垫板和防护罩之间设置有胶垫。
5.根据权利要求3所述激光喷头平移装置,其特征在于:所述主体架采用铝合金支持,且为一体成型。
6.根据权利要求3所述一种基于激光熔覆技术的液压油缸再制造方法,其特征在于:所述丝杠电机有液压缸替换。
7.根据权利要求4所述一种基于激光熔覆技术的液压油缸再制造方法,其特征在于:防护罩为橡胶材质支撑。
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