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 PDF

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CN113210612A
CN113210612A CN202110548433.0A CN202110548433A CN113210612A CN 113210612 A CN113210612 A CN 113210612A CN 202110548433 A CN202110548433 A CN 202110548433A CN 113210612 A CN113210612 A CN 113210612A
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hydraulic oil
oil cylinder
laser cladding
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黄勇
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Anhui Huaihai Aoke Equipment Remanufacture Co ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
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    • B22F7/00Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression
    • B22F7/06Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite workpieces or articles from parts, e.g. to form tipped tools
    • B22F7/062Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite workpieces or articles from parts, e.g. to form tipped tools involving the connection or repairing of preformed parts
    • B22F1/0003
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B33ADDITIVE MANUFACTURING TECHNOLOGY
    • B33YADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
    • B33Y10/00Processes of additive manufacturing
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B33ADDITIVE MANUFACTURING TECHNOLOGY
    • B33YADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
    • B33Y30/00Apparatus for additive manufacturing; Details thereof or accessories therefor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B33ADDITIVE MANUFACTURING TECHNOLOGY
    • B33YADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
    • B33Y40/00Auxiliary operations or equipment, e.g. for material handling
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B33ADDITIVE MANUFACTURING TECHNOLOGY
    • B33YADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
    • B33Y70/00Materials specially adapted for additive manufacturing
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    • C23COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
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    • C23C24/00Coating starting from inorganic powder
    • C23C24/08Coating starting from inorganic powder by application of heat or pressure and heat
    • C23C24/10Coating starting from inorganic powder by application of heat or pressure and heat with intermediate formation of a liquid phase in the layer
    • C23C24/103Coating with metallic material, i.e. metals or metal alloys, optionally comprising hard particles, e.g. oxides, carbides or nitrides
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    • B22CASTING; POWDER METALLURGY
    • B22FWORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F7/00Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression
    • B22F7/06Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite workpieces or articles from parts, e.g. to form tipped tools
    • B22F7/062Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite workpieces or articles from parts, e.g. to form tipped tools involving the connection or repairing of preformed parts
    • B22F2007/068Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite workpieces or articles from parts, e.g. to form tipped tools involving the connection or repairing of preformed parts repairing articles

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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

一种基于激光熔覆技术的液压油缸再制造方法
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。
CN202110548433.0A 2021-05-19 2021-05-19 一种基于激光熔覆技术的液压油缸再制造方法 Pending CN113210612A (zh)

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JPH07239563A (ja) * 1994-02-25 1995-09-12 Hideo Nakagawa 感光ドラム等の外表面の加工方法
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JPH07239563A (ja) * 1994-02-25 1995-09-12 Hideo Nakagawa 感光ドラム等の外表面の加工方法
US20190009333A1 (en) * 2017-07-06 2019-01-10 OmniTek Technology Ltda. Selective laser melting system and method of using same
CN108941948A (zh) * 2018-08-14 2018-12-07 南京工大数控科技有限公司 一种双工位复合焊接设备及方法
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