The utility model relates to a permanent magnet motor. It includes spindle, rotor core, magnet, polyester film heat shrinkable sleeve. The spindle is pressed into the core of the rotor. The surface of the core of the rotor is provided with a magnetic steel trough. The surface of the magnetic steel trough is coated with adhesive, and the magnetic steel is attached to the surface of the magnetic steel trough. The polyester film heat shrinkable sleeve is a hollow body. One end of the polyester film heat shrinkable sleeve bends a positioning end ring to the cavity of the hollow body and locates the end ring. The inner diameter of the spindle is not less than the diameter of the spindle to enable the spindle to pass through. The polyester film heat shrinkable sleeve first penetrates into the wrapped rotor core from one end of the spindle, locates the inner surface of the end ring and one end of the rotor core, and the other end of the polyester film heat shrinkable sleeve extends out the other end of the rotor core. The polyester film heat shrinkable sleeve extends out of the rotor core after being heated, and bends and wraps the end of the polyester film heat shrinkable sleeve. End face of iron core. The utility model uses polyester film heat shrinkable sleeve with high hardness and durability, which can prevent the whole machine from bumping magnetic steel during assembling. The assembly is simple and the material cost is low, and the cost of the whole motor can be greatly reduced.
【技术实现步骤摘要】
永磁电机
本技术涉及一种永磁电机。
技术介绍
永磁电机具有高效节能、重量轻、体积小、结构简单、输出扭矩大、运行平稳等诸多优点。按照永磁体安装方式,可以将永磁电机分为表贴式和内嵌式两种类型。表贴式永磁电机的转子磁路的永磁体,通常采用瓦片状磁钢结构,提供径向磁通。表贴式永磁电机的瓦片状磁钢的固定方法应用较多的是无纬带绑扎固定、粘结剂粘结固定、以及转子磁钢套套接固定等。1、无纬带绑扎固定,安装过程复杂,批量生产效率低。2、单一粘结剂粘结固定,牢固程度检测难度大,粘结剂粘附力有限,通常需要与其他固定工艺结合使用。3、转子磁钢套套接固定,磁钢套加工难度大、费用高,为了安装磁钢套需要增大电机的气隙长度,降低永磁电机性能,导致电机体积浪费。
技术实现思路
因此,本技术的目的在于提供一种易加工的成本低的表贴式永磁电机。上述目的采用下述技术方案给予实现。一种永磁电机,包括主轴、转子铁芯、磁钢、聚酯薄膜热缩套管,所述主轴压入转子铁芯中,转子铁芯的表面设有磁钢槽,磁钢槽表面涂抹粘贴剂,磁钢贴在磁钢槽表面;聚酯薄膜热缩套管为空心体,聚酯薄膜热缩套管一端口先向着空心体内腔预弯出一定位端面环,定 ...
【技术保护点】
1.一种永磁电机,包括主轴、转子铁芯、磁钢,其特征在于:所述主轴压入转子铁芯中,转子铁芯的表面设有磁钢槽,磁钢槽表面涂抹粘贴剂,磁钢贴在磁钢槽表面;还包括聚酯薄膜热缩套管,聚酯薄膜热缩套管为空心体,聚酯薄膜热缩套管一端口先向着空心体内腔预弯出一定位端面环,定位端面环的内径不小于主轴直径以使主轴能穿过,聚酯薄膜热缩套管先从主轴一端穿入包裹转子铁芯,定位端面环内表面与转子铁芯一端面贴合,聚酯薄膜热缩套管另一端口伸出转子铁芯另一端面,聚酯薄膜热缩套管受热后伸出转子铁芯的聚酯薄膜热缩套管端口折弯包裹转子铁芯端面。
【技术特征摘要】
1.一种永磁电机,包括主轴、转子铁芯、磁钢,其特征在于:所述主轴压入转子铁芯中,转子铁芯的表面设有磁钢槽,磁钢槽表面涂抹粘贴剂,磁钢贴在磁钢槽表面;还包括聚酯薄膜热缩套管,聚酯薄膜热缩套管为空心体,聚酯薄膜热缩套管一端口先向着空心体内腔预弯出一定位端面环...
【专利技术属性】
技术研发人员:周源斌,杨成光,李维全,
申请(专利权)人:佛山市顺德区金泰德胜电机有限公司,
类型:新型
国别省市:广东,44
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