Permanent magnet synchronous servo motor rotor magnetic steel surface mount fixing structure
A servo motor and permanent magnet synchronous technology, applied in the direction of magnetic circuit shape/style/structure, magnetic circuit rotating parts, magnetic circuit, etc., can solve the problem of difficult iron loss, low utilization rate of permanent magnet materials, and maximum control Good and other problems, to achieve the effect of strong anti-demagnetization ability, reduced deformity rate, and reduced noise
Inactive Publication Date: 2017-11-07
苏州德迈科电机技术有限公司
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Problems solved by technology
In order to obtain the maximum utilization rate of permanent magnets in permanent magnet synchronous servo motors, the installation structure of the rotor magnets is usually embedded, and the rotor is provided with punching plates in the circumferential direction, and the permanent magnets are alternated in the form of N polarity and S polarity. Embedded in the card slot of the stamping sheet, it is difficult to control the iron loss of the motor rotor to the best in this installation method, and the utilization rate of the permanent magnet material is not high
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Embodiment
[0018] refer to Figure 1-3 As shown, this embodiment is a permanent magnet synchronous servo motor rotor magnetic steel surface-mounted fixing structure, including the rotor punch and the magnetic steel 4 .
[0019] The rotor punch includes a punch body 1 , and a plurality of equidistant magnetic bridge structures arranged on the outer periphery of the punch body 1 . The punching body 1 is a ring structure. The magnetic bridge structure includes a supporting part 2 connected with the punch body 1 and a connecting part 3 arranged at the end of the supporting part 2 . Protruding portions 31 protruding outward are respectively symmetrically provided on both sides of the connecting portion 3 .
[0020] A corresponding matching magnetic steel 4 is provided between every two magnetic separation bridge structures. The two sides of the support part 2 are attached to the two sides of the magnetic steel 4 correspondingly. Both sides of the magnetic steel 4 are symmetrically provide...
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The invention discloses a permanent magnet synchronous servo motor rotor magnetic steel surface mount fixing structure, which comprises a rotor punching sheet and magnetic steels, wherein the rotor punching sheet comprises a punching sheet body and a plurality of magnetic isolation bridge structures arranged on the periphery of the punching sheet body; each magnetic isolation bridge structure comprises a supporting part connected with the punching sheet body and a connection part arranged at the end part of the supporting part; two sides of the connection part are symmetrically provided with outwardly-protruding convex parts; the matched magnetic steel is arranged between each group of the magnetic isolation bridge structures; two sides of the magnetic steel are symmetrically provided with inwardly-sunken concave parts; and the concave parts and the convex parts are clamped and buckled correspondingly. Thus, the power density is improved, and the anti-demagnetization ability is strong.
Description
technical field [0001] The invention belongs to the technical field of permanent magnet motors, and in particular relates to a permanent magnet synchronous servo motor rotor magnetic steel surface-mounted fixing structure. Background technique [0002] The development of permanent magnet materials and the development of power electronic components not only accelerate the research and development of permanent magnet synchronous servo motors, but also enhance the application field. Synchronous servo motors using permanent magnet materials not only have the characteristics of high power density and high efficiency, but also can meet the requirements of energy saving and miniaturization. In order to obtain the maximum utilization rate of permanent magnets in permanent magnet synchronous servo motors, the installation structure of the rotor magnets is usually embedded, and the rotor is provided with punching plates in the circumferential direction, and the permanent magnets are a...
Claims
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Login to View More IPC IPC(8): H02K1/27
CPCH02K1/2766
Inventor 何建军谭新德易志辉鞠晗松
Owner 苏州德迈科电机技术有限公司