The utility model relates to the technical field of laser cladding and laser material increasing manufacturing. Aiming at the problems that the existing laser cladding joints are liable to water seepage caused by the use of welded water-cooled sleeve, and that the welded water-cooled sleeve is too large to be suitable for the working conditions of fine parts or special-shaped surfaces, the utility model specifically relates to a multi-channel laser cladding head. The laser cladding head consists of a circular table-shaped main part; the center of the main part is provided with a laser cavity running through its large end and small end, and the axis of the laser cavity coincides with the axis of the main part; the large end of the main part is provided with an interface for installing the laser output head; the side wall of the main part is evenly distributed with at least two metal powder channels, and the metal powder channel runs through the large end to the small end of the main part; and the metal powder channel axis is provided with an interface for installing the laser output The line intersects with the axis of the laser cavity at a point, and the intersection point is outside the small end. A set of water-cooling channels is arranged in the side wall of the main part between two adjacent metal powder channels, each of which includes an inlet channel and an outlet channel.
【技术实现步骤摘要】
一种多路水通道激光熔覆头
本技术涉及激光熔覆及激光增材制造
,具体涉及一种多路水通道激光熔覆头。
技术介绍
激光熔覆属于新型金属表面处理工艺,通过发射激光将金属粉熔覆至基体表面,提高基体表面强度或耐压耐腐性能。激光熔覆头一般集激光腔、金属粉通道、保护气通道以及水冷通道为一体,是激光熔覆设备的核心部件。激光熔覆头工作时距离基体表面20cm~40cm。受激光辐射及光路热损耗影响,激光熔覆头表面和内部温度极易过高,需要高效能的水冷循环进行散热。现有激光熔覆头一般采用外侧环形水冷结构,即在熔覆头外侧加一层金属水冷套,金属水冷套与熔覆头之间采用焊接工艺进行无缝连接。此类环形水冷结构激光熔覆头实际应用时存在如下问题:1、焊接缝受激光辐射等因素影响,容易发生渗水,导致激光熔覆头返厂维修。2、环形水冷结构激光熔覆头体积较大,不适宜加工精细部件或异形曲面。
技术实现思路
本技术的目的是克服现有激光熔覆头采用的水冷套易导致渗水故障,以及焊接水冷套体积大导致难以适用精细部件或异形曲面工况的不足,而提供一种多路水通道激光熔覆头。为实现上述目的,本技术提供的技术方案是:一种多路水通道激光熔覆头,包括主体件;其特殊之处在于,所述主体件为圆台状块体,主体件的中心设有贯穿其大端和小端的激光腔,激光腔轴线与主体件轴线重合;主体件的大端设有用于安装激光器输出头的接口;主体件的侧壁周向均匀分布至少两个金属粉通道,金属粉通道从主体件的大端贯穿至小端;其金属粉通道轴线与激光腔轴线相交于一点,交点位于小端外部,且距离小端端面20~40cm;相邻两个金属粉通道之间的主体件侧壁内均设有一组水冷通道,每组水 ...
【技术保护点】
1.一种多路水通道激光熔覆头,包括主体件(1);其特征在于:所述主体件(1)为圆台状块体,主体件(1)的中心设有贯穿其大端和小端的激光腔(2),激光腔轴线(21)与主体件(1)轴线重合;主体件(1)的大端设有用于安装激光器输出头的接口(5);主体件(1)的侧壁周向均匀分布至少两个金属粉通道(3),金属粉通道(3)从主体件(1)的大端贯穿至小端;金属粉通道轴线(22)与激光腔轴线(21)相交于一点,交点位于主体件(1)小端外部,且距离小端端面20~40cm;相邻两个金属粉通道(3)之间的主体件(1)侧壁内均设有一组水冷通道,每组水冷通道包括进水通道和出水通道;进水通道和出水通道靠近主体件(1)小端的一端相互连通。
【技术特征摘要】
1.一种多路水通道激光熔覆头,包括主体件(1);其特征在于:所述主体件(1)为圆台状块体,主体件(1)的中心设有贯穿其大端和小端的激光腔(2),激光腔轴线(21)与主体件(1)轴线重合;主体件(1)的大端设有用于安装激光器输出头的接口(5);主体件(1)的侧壁周向均匀分布至少两个金属粉通道(3),金属粉通道(3)从主体件(1)的大端贯穿至小端;金属粉通道轴线(22)与激光腔轴线(21)相交于一点,交点位于主体件(1)小端外部,且距离小端端面20~40cm;相邻两个金属粉通道(3)之间的主体件(1)侧壁内均设有一组水冷通道,每组水冷通道包括进水通道和出水通道;进水通道和出水通道靠近主体件(1)小端的一端相互连通。2.根据权利要求1所述的多路水通道激光熔覆头,其特征在于:所述水冷通道、金属粉通道(3)的内壁直径均分别为3~5mm。3.根据权利要求1所述的多路水通道激光熔覆头,其特征在于:所述...
【专利技术属性】
技术研发人员:段开椋,韩媛,
申请(专利权)人:西安中科中美激光科技有限公司,
类型:新型
国别省市:陕西,61
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