CN203691177U - Vibration aging treatment device for iron core of motor - Google Patents
Vibration aging treatment device for iron core of motor Download PDFInfo
- Publication number
- CN203691177U CN203691177U CN201320814213.9U CN201320814213U CN203691177U CN 203691177 U CN203691177 U CN 203691177U CN 201320814213 U CN201320814213 U CN 201320814213U CN 203691177 U CN203691177 U CN 203691177U
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- iron core
- motor
- vibration
- shaking platform
- vibration generator
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Abstract
The utility model belongs to the technical field of motor manufacturing and aims to overcome the technical problem in the prior art during the removal process of the punching stress of an iron core. The utility model provides a vibration aging treatment device for the iron core of a motor, which comprises a vibration platform. Rubber supporting legs are arranged at the lower part of the vibration platform. The device is characterized in that the middle part of the vibration platform is provided with an iron core holddown unit. The device also comprises a resonant vibration exciter. The resonant vibration exciter comprises a motor and the shaft of the motor is provided with an eccentric block. The motor is clamped at the end portion of the vibration platform through a clamping unit. During the operation of the motor, the eccentric block applies a vibration shock on the vibration platform. The device also comprises a vibration aging instrument and an accelerometer. The accelerometer is fixed onto the surface of the iron core. The accelerometer and the resonant vibration exciter are electrically connected with the vibration aging instrument. After the iron core of the motor is processed by the vibration aging treatment device, the efficiency of the overall motor is improved by 0.3 to 0.8%. Meanwhile, the stray loss is lowered by 15-25%. Therefore, the device is obvious in effect.
Description
Technical field
The utility model belongs to motor manufacturing technology field, is specifically related to the Ageing Treatment device that a kind of electric machine iron core is removed stamping-out stress, recovered magnetic property.
Background technology
Electric machine iron core forms punching by silicon steel sheet after stamping-out flute profile, and punching closed assembly is formed.Punching organizes because the shear action of punch die can cause the silicon steel sheet of the cutting line position such as position, edge and punching cylindrical of flute profile that crystal grain breaks in the time of punching, lattice distortion distortion exists shear stress and then cause the deterioration of punching magnetic property, due to the rotor notch distance of positions, from air gap, shape sudden change is simultaneously maximum recently, wedge angle is more, stress is concentrated, the deterioration of magnetic property is particularly serious, and this can cause, and motor supplementary load loss increase, electric efficiency reduces.
The main technique methods of taking for the magnetic the subject of knowledge and the object of knowledge of punching after removing stamping-out stress and improving stamping-out is at present annealing heat treatment, the method is summarized as follows: after punching punching completes, iron core to punching or after folding is put in special annealing furnace, be heated to 300～500 DEG C to punching or iron core, then in stove, be filled with nitrogen, be incubated after 1～2 hour, improve again furnace temperature to 650～700 DEG C, and then insulation was closed heating power supply after 3～5 hours, in the time that furnace temperature is down to 500～600 DEG C, steam is passed into annealing furnace, and be incubated after 1～3 hour, released vapour, in stove, be filled with nitrogen again, then close heating power supply, in the time that being down to 200～300 DEG C, furnace temperature will determine, to carry out nature cooling from taking out in stove for rotor punching or iron core, annealing heat treatment process process finishes.Each stage in annealing heat treatment process also has detailed air pressure requirement, is not described in detail at this.
Adopt the power consumption of above-mentioned processing method large, the electric energy of silicon-steel sheet annealing consumption per ton is about 300kWh, consuming timely reaches 5～9 hours, and complex technical process is difficult to accurate control, and equipment volume is large.
Utility model content
For overcome in prior art, remove iron core stamping-out stress and improve stamping-out after existing complex technical process, length consuming time, the large shortcoming that consumes energy in the magnetic property of punching, the utility model provides a kind of oscillating aging processing unit of electric machine iron core.
For realizing above-mentioned technical purpose, the technical solution adopted in the utility model is: the oscillating aging processing unit of electric machine iron core, it comprises a shaking platform, shaking platform below is provided with rubber feet, it is characterized in that: described shaking platform middle part is provided with iron core hold down gag, described iron core hold down gag comprises iron core backstay, core clamping-plate and clamp nut, after iron core is seated on shaking platform by iron core backstay, core clamping-plate is pressed in iron core top and locks by the clamp nut at iron core backstay top; This device also comprises resonance vibration generator, and described resonance vibration generator comprises a motor, and on motor shaft, with an eccentric block, motor is by binding clasp clamping in the end of shaking platform, and when motor rotation, eccentric block can form vibratory impulse to shaking platform; Also comprise an oscillating aging instrument, acceleration transducer, described acceleration transducer is fixed on iron core surface, and acceleration transducer, resonance vibration generator are electrically connected with oscillating aging instrument.
The oscillating aging processing unit of this electric machine iron core, utilize resonance principle, adjust the vibration frequency of vibration generator by intelligent vibration timeliness instrument, find again the natural frequency of electric machine iron core according to the acceleration transducer feedback signal that is arranged on electric machine iron core surface, when vibration generator frequency electric machine iron core when superimposed by the natural frequency of Ageing Treatment iron core resonates, thereby cause the vibration of the inner crystal grain of core stamping, recover lattice, reach the object of eliminating core stamping stamping-out stress and recovering iron core magnetic property, reduction stray loss, raising electric efficiency.This apparatus structure advantages of simple, process treatment time is short, and processing procedure does not need heating, and without gas or fluid discharge, the about 28kWh of silicon steel sheet Vibratory Stress consuming electric power per ton, compared with annealing heat treatment process saving energy 90%.Electric machine iron core through this device processing can improve overall efficiency 0.3 ~ 0.8%, and stray loss can reduce by 15 ~ 25%, successful.
Brief description of the drawings
The structural representation that accompanying drawing 1 is this device.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described further.
As shown in Figure 1, the oscillating aging processing unit of electric machine iron core, it comprises a shaking platform 1, shaking platform below is provided with rubber feet 2, shaking platform middle part is provided with iron core hold down gag, and described iron core hold down gag comprises iron core backstay 3, core clamping-plate 4 and clamp nut 5, after iron core 6 is seated on shaking platform 1 by iron core backstay 3, core clamping-plate 4 is pressed in iron core top and locks by the clamp nut 5 at iron core backstay top.
As shown in Figure 1, this device also comprises resonance vibration generator 7, and resonance vibration generator 7 is installed in one end of shaking platform 1 by binding clasp 8.
As shown in Figure 2, resonance vibration generator 7 comprises a motor 9, and on motor shaft, with an eccentric block 10, when motor 9 turns round, eccentric block 10 can form vibratory impulse to shaking platform.
As shown in Figure 1, this device also comprises an oscillating aging instrument 11, acceleration transducer 12, and acceleration transducer 12 is fixed on iron core 6 surfaces, and acceleration transducer 12, resonance vibration generator 7 are electrically connected with oscillating aging instrument 11.
The specifically use procedure of this device is as follows:
1,4 rubber feet 2 are steadily placed on ground, shaking platform 1 is lain in to rubber feet 2 tops, then electric machine iron core 6 is pressed on the center line of shaking platform, the geometric center of the compacted position of electric machine iron core 6 in 4 rubber feet, degree of will speed up transducer 12 is arranged on electric machine iron core surface, degree of will speed up sensor signal cable and resonance vibration generator 7 feed cables are connected with oscillating aging instrument 11 respectively, by resonance vibration generator 7 clampings on the distolateral center of shaking platform.
2. frequency scanning before shaking:
Open intelligent vibration timeliness instrument host power supply, give the power supply of resonance vibration generator, increase gradually resonance vibration generator supply frequency, detect the vibration acceleration situation of change that iron core increases with frequency, make iron core in resonance vibration generator maximum functional rotating speed interval, produce resonance, thereby determine effective resonance point of the iron core in vibration generator effective frequency.
3. timeliness vibration:
Find after iron core resonance frequency, oscillating aging time 15 ~ 30min is set, the work of resonance vibration generator loads exciting force to iron core, in the time that the vibration frequency of resonance vibration generator is increased to the resonance point of iron core, iron core resonates, and simultaneously resonance vibration generator keeps constant until timeliness vibration stage of resonance frequency to complete
4. can determine whether carry out multistage timeliness vibration according to the aftereffect of shaking is decisive and resolute, repeat again said process 1 ~ 2 time.
Claims (1)
1. the oscillating aging processing unit of electric machine iron core, it comprises a shaking platform, shaking platform below is provided with rubber feet, it is characterized in that: described shaking platform middle part is provided with iron core hold down gag, described iron core hold down gag comprises iron core backstay, core clamping-plate and clamp nut, after iron core is seated on shaking platform by iron core backstay, core clamping-plate is pressed in iron core top and locks by the clamp nut at iron core backstay top; This device also comprises resonance vibration generator, and described resonance vibration generator comprises a motor, and on motor shaft, with an eccentric block, motor is by binding clasp clamping in the end of shaking platform, and when motor rotation, eccentric block can form vibratory impulse to shaking platform; Also comprise an oscillating aging instrument, acceleration transducer, described acceleration transducer is fixed on iron core surface, and acceleration transducer, resonance vibration generator are electrically connected with oscillating aging instrument.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320814213.9U CN203691177U (en) | 2013-12-12 | 2013-12-12 | Vibration aging treatment device for iron core of motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320814213.9U CN203691177U (en) | 2013-12-12 | 2013-12-12 | Vibration aging treatment device for iron core of motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203691177U true CN203691177U (en) | 2014-07-02 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320814213.9U Expired - Fee Related CN203691177U (en) | 2013-12-12 | 2013-12-12 | Vibration aging treatment device for iron core of motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203691177U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104962726A (en) * | 2015-07-27 | 2015-10-07 | 江苏捷帝机器人股份有限公司 | Vibratory aging device |
| CN109494070A (en) * | 2018-12-25 | 2019-03-19 | 江苏国能合金科技有限公司 | Amorphous alloy transformer core secular vibration platform |
-
2013
- 2013-12-12 CN CN201320814213.9U patent/CN203691177U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104962726A (en) * | 2015-07-27 | 2015-10-07 | 江苏捷帝机器人股份有限公司 | Vibratory aging device |
| CN109494070A (en) * | 2018-12-25 | 2019-03-19 | 江苏国能合金科技有限公司 | Amorphous alloy transformer core secular vibration platform |
| CN109494070B (en) * | 2018-12-25 | 2023-11-07 | 江苏国能合金科技有限公司 | Amorphous alloy transformer core aging vibration table |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140702 Termination date: 20151212 |
|
| EXPY | Termination of patent right or utility model |