Circle forming device for parts, being about to form circle, in blocks and circle forming method
A block type, rounding technology, applied in auxiliary devices, auxiliary welding equipment, welding/cutting auxiliary equipment, etc., can solve the problems of motor noise, poor roundness of the outer circular surface of the stator, etc., and achieve the effect of reducing manufacturing costs.
Active Publication Date: 2019-09-10
GREE ELECTRIC APPLIANCES INC
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Problems solved by technology
It is especially suitable for the rounding of the segmented stator core, which solves the problem of poor roundness of the outer surface of the stator after the segmented stator core is rounded, and further solves the problem caused by the poor roundness of the outer surface of the stator. motor noise problem
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[0055]Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art. The same reference numerals denote the same or similar parts in the drawings, and thus their repeated descriptions will be omitted.
[0056] Furthermore, the described features, structures, or characteristics may be combined in any suitable manner in one or more embodiments. In the following description, numerous specific details are provided in order to give a thorough understanding of embodiments of the present disclosure. However, those skilled in the art will appreciate that the technical solutions of the present disclosure may be practiced without one or mor...
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The invention provides a circle forming device and method. Due to the circle forming device and method, a plurality of parts, being about to form a circle, in blocks can be conveniently used for forming a circle, and the circle forming quality can be improved. The circle forming device and method are especially suitable for circle forming of stator iron cores in blocks, and solve the problem thatafter circle forming of the stator iron cores in blocks, the circle forming degree of the outer circumferential face of a stator is poor. The circle forming device comprises a base, an inner barrel and at least one baffle, wherein the inner barrel can be fixedly installed in the base in a matched manner; an annular cavity is formed between the inner barrel and the base, and used for containing tothe parts being about to forming the circle; the baffle is located in the annular cavity, and used for abutting against the parts being about to form the circle during circle forming; baffle fastenerscan apply pressure to the baffle through force applying fastening holes in the inner barrel; and the baffle is used for transmitting the applied pressure to the parts being about to form the circle,and therefore a component finally formed by combining the plurality of parts being about to form the circle is standard in shape.
Description
technical field [0001] The invention relates to a block-type rounding device and a rounding method for parts to be rounded, in particular to a block-type stator core rounding device and a rounding method. Background technique [0002] With the improvement of the public's requirements for washing machines, direct-drive external rotor motors are being widely used in various styles of washing machines due to their quietness, high efficiency, and energy-saving features. In direct-drive external rotor motors, the stator The roundness of the iron core is very important to the influence of the motor noise. [0003] At present, there are two main forming methods of stator core: integral type and segmented type. The segmented stator core is widely used because of its high material utilization rate. In the existing segmented stator rounding process, the outer surface of the inner cylinder is used as the reference surface and the outside of the stator is clamped to lock, that is, the ...
Claims
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IPC IPC(8): B23K37/053
CPCB23K37/053
Inventor 吴佳豪李贺瑶许金鑫黄海良肖胜宇陈彬
Owner GREE ELECTRIC APPLIANCES INC