CN109277501A - A kind of manufacturing method and brush for electromachine spring of brush for electromachine spring - Google Patents
A kind of manufacturing method and brush for electromachine spring of brush for electromachine spring Download PDFInfo
- Publication number
- CN109277501A CN109277501A CN201811223260.XA CN201811223260A CN109277501A CN 109277501 A CN109277501 A CN 109277501A CN 201811223260 A CN201811223260 A CN 201811223260A CN 109277501 A CN109277501 A CN 109277501A
- Authority
- CN
- China
- Prior art keywords
- brush
- spring
- electromachine
- manufacturing
- elastic alloy
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21F—WORKING OR PROCESSING OF METAL WIRE
- B21F35/00—Making springs from wire
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/02—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for springs
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R39/00—Rotary current collectors, distributors or interrupters
- H01R39/02—Details for dynamo electric machines
- H01R39/38—Brush holders
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Motor Or Generator Current Collectors (AREA)
- Manufacture Of Motors, Generators (AREA)
Abstract
This application provides a kind of manufacturing methods of brush for electromachine spring.The manufacturing method of the brush for electromachine spring includes: to obtain elastic alloy blank；The predetermined position of elastic alloy blank is subjected to sofening treatment；The blank is turned into brush spring；It is cooled down after carrying out ageing treatment to the brush spring.The manufacturing method of the brush for electromachine spring of the application provides a kind of high anti-corrosion brush spring, and corrosion resistance meets the requirement 48h or more of each standard, actually reached 96h or more.Solves the stress corrosion fracture phenomenon of brush for electromachine spring appearance.This method has been applied on the motor product of each type, does not occur phenomenon of rupture in outfield and damp heat test over 3 years.
Description
Technical field
The application belongs to scroll spring manufacturing technology field, in particular to the manufacturing method of a kind of brush for electromachine spring and
Brush for electromachine spring.
Background technique
The brush spring fatigue limit of the prior art is low, spring steel band side after blanking and be in wedge angle, punching press tear zone fine fisssure
Line is difficult to completely eliminate, and is easy to develop into tired source.The protective layer formed after plating nickel on surface dipping lacquer motor work when, spring
Flexible deformation is inconsistent, and paint layer is caused to split, and reduces resistance to corrosion.
Thus, it is desirable to have a kind of technical solution overcomes or at least mitigates at least one drawbacks described above of the prior art.
Summary of the invention
There is provided a kind of manufacturing methods of brush for electromachine spring for the purpose of the application, to solve in the prior art
At least one drawbacks described above.
The technical solution of the application is: the application provides a kind of manufacturing method of brush for electromachine spring, and the motor is used
The manufacturing method of brush spring includes: to obtain elastic alloy blank；The predetermined position of elastic alloy blank is subjected to sofening treatment；
The blank is turned into brush spring；It is cooled down after carrying out ageing treatment to the brush spring.
Optionally, the predetermined position is the pintle part position corresponding with the U-shaped part of center portion of brush spring.
Optionally, the elastic alloy is 3J21 alloy.
Optionally, the elastic alloy includes the Co of 35~45 parts of weight, the Cr of 17~23 parts of weight, 12~18 parts of weight
Ni, the Mo of 5~9 parts of weight.
Optionally, the sofening treatment include corresponding portion is softened to hardness be 381~429HV.
Optionally, it is 450~500 DEG C that the ageing treatment, which includes temperature, and the time is 3.5~4.5h.
Optionally, it is described be cooled to it is air-cooled.
Optionally, described to be directed to any block blank, to the U-shaped portion split-phase with the pintle part and center portion that form brush spring
Corresponding position carries out sofening treatment specifically:
High frequency partial overaging is carried out to the U-shaped part of the pintle part and center portion that form brush spring.
Optionally, the acquisition elastic alloy blank specifically: choose elastic alloy plate and carry out shearing shaping, thus shape
It is in strip plate；Corner angle rounding is carried out to the bar shaped plate side after shearing；The bar shaped plate is cut into and part length
Elastic alloy blank described in identical muti-piece.
Present invention also provides a kind of brush for electromachine spring, the brush for electromachine spring uses motor as described above
It is fabricated with the manufacturing method of brush spring.
The manufacturing method of the brush for electromachine spring of the application provides a kind of high anti-corrosion brush spring, corrosion resistance symbol
The requirement 48h or more for closing each standard, has actually reached 96h or more.Solves the stress corrosion of brush for electromachine spring appearance
Phenomenon of rupture.This method has been applied on the motor product of each type, does not go out in outfield and damp heat test over 3 years
Now cross phenomenon of rupture.
Detailed description of the invention
Fig. 1 is the flow diagram according to the manufacturing method of the brush for electromachine spring of the application first embodiment.
Fig. 2 is the structural schematic diagram according to the brush spring of the application first embodiment.
Appended drawing reference:
1, pintle part 2, U-shaped part
Specific embodiment
To keep the purposes, technical schemes and advantages of the application implementation clearer, below in conjunction in the embodiment of the present application
Attached drawing, technical solutions in the embodiments of the present application is further described in more detail.In the accompanying drawings, identical from beginning to end or class
As label indicate same or similar element or element with the same or similar functions.Described embodiment is the application
A part of the embodiment, instead of all the embodiments.The embodiments described below with reference to the accompanying drawings are exemplary, it is intended to use
In explanation the application, and it should not be understood as the limitation to the application.Based on the embodiment in the application, ordinary skill people
Member's every other embodiment obtained without creative efforts, shall fall in the protection scope of this application.Under
Face is described in detail embodiments herein in conjunction with attached drawing.
In the description of the present application, it is to be understood that term " center ", " longitudinal direction ", " transverse direction ", "front", "rear",
The orientation or positional relationship of the instructions such as "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is based on attached drawing institute
The orientation or positional relationship shown is merely for convenience of description the application and simplifies description, rather than the dress of indication or suggestion meaning
It sets or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as protecting the application
The limitation of range.
Fig. 1 is the flow diagram according to the manufacturing method of the brush for electromachine spring of the application first embodiment.Fig. 2 is
According to the structural schematic diagram of the brush spring of the application first embodiment.
The manufacturing method of brush for electromachine spring as shown in Figure 1 includes obtaining elastic alloy blank；By elastic alloy hair
The predetermined position of base carries out sofening treatment；Blank is turned into brush spring；It is cold to being carried out after brush spring progress ageing treatment
But.
The manufacturing method of the brush for electromachine spring of the application provides a kind of high anti-corrosion brush spring, corrosion resistance symbol
The requirement 48h or more for closing each standard, has actually reached 96h or more.Solves the stress corrosion of brush for electromachine spring appearance
Phenomenon of rupture.This method has been applied on the motor product of each type, does not go out in outfield and damp heat test over 3 years
Now cross phenomenon of rupture.
In the present embodiment, predetermined position is the pintle part position corresponding with the U-shaped part of center portion of brush spring.
In the present embodiment, elastic alloy is 3J21 alloy.
In the present embodiment, elastic alloy includes the Co of 35~45 parts of weight, the Cr of 17~23 parts of weight, 12~18 parts of weights
The Ni of amount, the Mo of 5~9 parts of weight.
In the present embodiment, sofening treatment include corresponding portion is softened to hardness be 381~429HV.
In the present embodiment, it is 450~500 DEG C that ageing treatment, which includes temperature, and the time is 3.5~4.5h.
In the present embodiment, it is cooled to air-cooled.
Referring to fig. 2, in the present embodiment, for any block blank, to the pintle part and center portion with formation brush spring
The corresponding position of U-shaped part carry out sofening treatment specifically:
High frequency partial overaging is carried out to the U-shaped part of the pintle part and center portion that form brush spring.
In the present embodiment, elastic alloy blank is obtained specifically:
It chooses elastic alloy plate and carries out shearing shaping, to form bar shaped plate；
Corner angle rounding is carried out to the bar shaped plate side after shearing；
Bar shaped plate is cut into muti-piece elastic alloy blank identical with part length.
Referring to fig. 2, present invention also provides a kind of brush for electromachine springs, and brush for electromachine spring is using as described above
The manufacturing method of brush for electromachine spring is fabricated.
The above, the only specific embodiment of the application, but the protection scope of the application is not limited thereto, it is any
Within the technical scope of the present application, any changes or substitutions that can be easily thought of by those familiar with the art, all answers
Cover within the scope of protection of this application.Therefore, the protection scope of the application should be with the scope of protection of the claims
It is quasi-.
Claims (10)
1. a kind of manufacturing method of brush for electromachine spring, which is characterized in that the manufacturing method packet of the brush for electromachine spring
It includes:
Obtain elastic alloy blank；
The predetermined position of elastic alloy blank is subjected to sofening treatment；
The blank is turned into brush spring；
It is cooled down after carrying out ageing treatment to the brush spring.
2. the manufacturing method of brush for electromachine spring as described in claim 1, which is characterized in that the predetermined position is brush
The pintle part of spring position corresponding with the U-shaped part of center portion.
3. the manufacturing method of brush for electromachine spring as described in claim 1, which is characterized in that the elastic alloy is 3J21
Alloy.
4. the manufacturing method of brush for electromachine spring as described in claim 1, which is characterized in that the elastic alloy includes 35
The Co of~45 parts of weight, the Cr of 17~23 parts of weight, the Ni of 12~18 parts of weight, the Mo of 5~9 parts of weight.
5. the manufacturing method of brush for electromachine spring as described in claim 1, which is characterized in that the sofening treatment includes will
It is 381~429HV that corresponding portion, which softens to hardness,.
6. the manufacturing method of brush for electromachine spring as described in claim 1, which is characterized in that the ageing treatment includes temperature
Degree is 450~500 DEG C, and the time is 3.5~4.5h.
7. the manufacturing method of brush for electromachine spring as described in claim 1, which is characterized in that it is described be cooled to it is air-cooled.
8. the manufacturing method of brush for electromachine spring as described in claim 1, which is characterized in that described to be directed to any block hair
Base carries out sofening treatment to position corresponding with the U-shaped part of center portion with the pintle part for forming brush spring specifically:
High frequency partial overaging is carried out to the U-shaped part of the pintle part and center portion that form brush spring.
9. the manufacturing method of brush for electromachine spring as described in claim 1, which is characterized in that the acquisition elastic alloy hair
Base specifically:
It chooses elastic alloy plate and carries out shearing shaping, to form bar shaped plate；
Corner angle rounding is carried out to the bar shaped plate side after shearing；
The bar shaped plate is cut into elastic alloy blank described in muti-piece identical with part length.
10. a kind of brush for electromachine spring, which is characterized in that the brush for electromachine spring is used as appointed in claim 1 to 9
The manufacturing method of brush for electromachine spring described in meaning one is fabricated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811223260.XA CN109277501A (en) | 2018-10-19 | 2018-10-19 | A kind of manufacturing method and brush for electromachine spring of brush for electromachine spring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811223260.XA CN109277501A (en) | 2018-10-19 | 2018-10-19 | A kind of manufacturing method and brush for electromachine spring of brush for electromachine spring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109277501A true CN109277501A (en) | 2019-01-29 |
Family
ID=65178181
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811223260.XA Pending CN109277501A (en) | 2018-10-19 | 2018-10-19 | A kind of manufacturing method and brush for electromachine spring of brush for electromachine spring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109277501A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030172531A1 (en) * | 2002-03-14 | 2003-09-18 | Bhagwat Anand Waman | Method of manufacturing flat wire coil springs to improve fatigue life and avoid blue brittleness |
| CN2798400Y (en) * | 2005-05-31 | 2006-07-19 | 株洲市田心铁路电力机车配件厂 | Scroll spring brush holding device for DC electric machine of railway locomotive |
| CN101642782A (en) * | 2009-07-15 | 2010-02-10 | 钢铁研究总院 | Method for preparing Cr-Ni system Austenitic heat-resistant steel springs and cool-drawn steel wires thereof |
| CN106180321A (en) * | 2016-07-15 | 2016-12-07 | 苏州切浦汽车零部件有限公司 | The manufacturing process of plane scroll spring |
| CN107532669A (en) * | 2015-03-31 | 2018-01-02 | 日本发条株式会社 | Helical spring |
| CN107584055A (en) * | 2017-09-21 | 2018-01-16 | 浙江高强度紧固件有限公司 | A kind of wind spring preparation method |
-
2018
- 2018-10-19 CN CN201811223260.XA patent/CN109277501A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030172531A1 (en) * | 2002-03-14 | 2003-09-18 | Bhagwat Anand Waman | Method of manufacturing flat wire coil springs to improve fatigue life and avoid blue brittleness |
| CN2798400Y (en) * | 2005-05-31 | 2006-07-19 | 株洲市田心铁路电力机车配件厂 | Scroll spring brush holding device for DC electric machine of railway locomotive |
| CN101642782A (en) * | 2009-07-15 | 2010-02-10 | 钢铁研究总院 | Method for preparing Cr-Ni system Austenitic heat-resistant steel springs and cool-drawn steel wires thereof |
| CN107532669A (en) * | 2015-03-31 | 2018-01-02 | 日本发条株式会社 | Helical spring |
| CN106180321A (en) * | 2016-07-15 | 2016-12-07 | 苏州切浦汽车零部件有限公司 | The manufacturing process of plane scroll spring |
| CN107584055A (en) * | 2017-09-21 | 2018-01-16 | 浙江高强度紧固件有限公司 | A kind of wind spring preparation method |
Non-Patent Citations (3)
| Title |
|---|
| 李清河: "一种涡卷式电刷弹簧断裂的分析", 《航空精密制造技术》 * |
| 武希哲: "弹性材料的分类及在微电机中的应用", 《微电机》 * |
| 陈志方: "微电机平面涡卷弹簧的制造", 《微电机》 * |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190129 |
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| RJ01 | Rejection of invention patent application after publication |