Rotor of outer rotor motor and manufacturing method of rotor
An external rotor motor and manufacturing method technology, applied in the manufacture of stator/rotor body, magnetic circuit rotating parts, magnetic circuit shape/style/structure, etc., can solve complex manufacturing process, large rotor magnetic resistance, poor performance, etc. Problems, to achieve the effect of low implementation difficulty, improve efficiency, and reduce reluctance
Active Publication Date: 2014-01-29
CHIAPHUA COMPONENTS SHENZHEN
View PDF12 Cites 5 Cited by
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
[0004] The purpose of the present invention is to provide a rotor of an external rotor motor and a manufacturing method thereof, aiming at solving the problems of large rotor reluctance, complex manufacturing process and poor performance of the prior art external rotor motor
Method used
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View moreImage
Smart Image Click on the blue labels to locate them in the text.
Smart ImageViewing Examples
Examples
Experimental program
Comparison scheme
Effect test
Embodiment Construction
[0025] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.
[0026] The invention provides a method for manufacturing a rotor of an outer rotor motor, Figure 3-4 An example of the rotor of the external rotor motor manufactured by the method for manufacturing the rotor of the external rotor motor provided by the present invention, it includes the following steps:
[0027] See also figure 2 , provide pressing mold 2, and pressing mold 2 comprises that a cross section is circular mandrel 21, has an annular cavity 22 around mandrel 21 in the pressing mold 2, has a and mandrel 21 in the inner cavity 22 of pressing mold A cylindrical baffle 23 with at least on...
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More PUM
Login to View More Abstract
The invention is applicable to the field of motors, and discloses a rotor of an outer rotor motor and a manufacturing method of the rotor. The rotor of the outer rotor motor comprises an outer layer and an inner layer, wherein the outer layer is provided with an inner cavity, the inner layer with an inner cavity covers on the inner surface of the outer layer, the outer layer is a magnetism conductive layer formed by sintering magnetism-conductive powder at the high temperature, and the inner layer is sintered with the magnetism-conductive layer at the high temperature and is a permanent-magnet layer which is formed by sintering permanent-magnet powder and integrated with the magnetism-conductive layer. The manufacturing method of the rotor of the outer rotor motor includes simultaneously sintering and integrally forming the magnetism-conductive layer filled with magnetism-conducive powder and the permanent-magnet layer filled with permanent-magnet powder, and manufacturing the rotor with the magnetism-conductive layer and the permanent-magnet layer in zero-clearance transition. Compared with the prior art of firstly separately preparing the magnetism-conductive layer and the permanent-magnet layer and then adhering the same together, the rotor of the outer rotor motor has the advantages that magnetic resistance can be greatly reduced, and motor efficiency and motor rotation stability are improved due to the fact that the magnetism-conductive layer and the permanent-magnet layer are in zero-clearance transition.
Description
technical field [0001] The invention belongs to the field of motors, in particular to a rotor of an outer rotor motor and a manufacturing method thereof. Background technique [0002] Usually, as figure 1 As shown, the rotor of the outer rotor motor is composed of an outer layer 11' (ie, a magnetic layer) that supports and conducts magnetism, and an inner layer 12' (ie, a permanent magnet layer) bonded to the inner surface of the outer layer. The rotor outer layer 11' is mainly made of thin steel plates such as low-carbon steel or medium-carbon steel through deep drawing and stamping processes. Low-carbon steel pipes and medium-carbon steel pipes are the main body, and one end of them is pressed into a tight-fitting circular bottom shell, and then the circular bottom shell is fixed to the bottom of the main body by welding to obtain the outer layer of the rotor. This process is relatively complicated, and it is easy to affect the rotation balance of the rotor. [0003] In...
Claims
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More Application Information
Patent Timeline
Login to View More Patent Type & Authority Applications(China)
IPC IPC(8): H02K15/03H02K1/27
Inventor 何亮杨锡辉陈晓军
Owner CHIAPHUA COMPONENTS SHENZHEN