CN110167262A - Flat vibration motor reversing plate structure and production method - Google Patents
Flat vibration motor reversing plate structure and production method Download PDFInfo
- Publication number
- CN110167262A CN110167262A CN201910285525.7A CN201910285525A CN110167262A CN 110167262 A CN110167262 A CN 110167262A CN 201910285525 A CN201910285525 A CN 201910285525A CN 110167262 A CN110167262 A CN 110167262A
- Authority
- CN
- China
- Prior art keywords
- commutation
- palladium
- face
- vibration motor
- reversing plate
- 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.)
- Granted
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K13/00—Structural associations of current collectors with motors or generators, e.g. brush mounting plates or connections to windings; Disposition of current collectors in motors or generators; Arrangements for improving commutation
- H02K13/006—Structural associations of commutators
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K13/00—Structural associations of current collectors with motors or generators, e.g. brush mounting plates or connections to windings; Disposition of current collectors in motors or generators; Arrangements for improving commutation
- H02K13/10—Arrangements of brushes or commutators specially adapted for improving commutation
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/18—Printed circuits structurally associated with non-printed electric components
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/30—Assembling printed circuits with electric components, e.g. with resistor
- H05K3/32—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits
- H05K3/34—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits by soldering
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
- Motor Or Generator Current Collectors (AREA)
- Manufacture Of Motors, Generators (AREA)
Abstract
The present invention relates to a kind of flat vibration motor reversing plate structures, comprising: the printed circuit board equipped with mounting hole, several are faced along the commutation of mounting hole circle distribution；It is characterized in that the commutation faces to be symmetrically set in two sides of mounting hole including two and outside is equipped with the commutation face for connecing electric ear；Commutation face includes: the commutation basal plane on printed circuit board, the palladium-silver covering surface connecting with commutation basal plane upper end.The flat vibration motor reversing plate structure, with the palladium-silver covering surface connecting with commutation basal plane upper end, instead of the surface layer for being plated on copper foil and being made of nickel-copper-Au-Co alloy, the surface layer in face of commutating is not vulnerable, short circuit is not likely to produce between commutation face, motor service life is longer.
Description
Technical field
The present invention relates to field of mobile phones, especially a kind of flat vibration motor reversing plate structure and production method.
Background technique
Mobile phone flat vibration motor is cooperated by commutation face and brush, make motor continue to rotate and drive the rotation of polarization block with
Generate vibration；Reversing plate includes the printed circuit board (FPCB) equipped with several pairs of commutation faces, and commutation face includes being set to printing electricity
The copper foil base of the upper end base board (FPCB), the surface layer for being plated on copper foil and being made of nickel-copper-Au-Co alloy；Motor is in work
When making, due to friction of spark, brush and commutation face etc., drawn there are the easy failure of the surface layer in commutation face or brush
Scratch makes to generate short circuit between adjacent commutation face to make motor fail, therefore the shorter deficiency of motor service life designs one
The surface layer in kind commutation face is not vulnerable, and short circuit, the longer flat vibration motor of motor service life are not likely to produce between commutation face
Reversing plate structure and production method, become urgent problem to be solved.
Summary of the invention
The purpose of the invention is to the scratches for overcoming the surface layer in current commutation face to be easy to fail or brush has been drawn to make phase
Short circuit is generated between adjacent commutation face to make motor fail, motor service life is shorter, and the surface layer for providing a kind of commutation face is not easy
It fails, is not likely to produce short circuit, the longer flat vibration motor reversing plate structure of motor service life and production side between commutation face
Method.
The specific technical solution of the present invention is:
A kind of flat vibration motor reversing plate structure, comprising: the printed circuit board equipped with mounting hole, several are along mounting hole circle
The week commutation of distribution faces；It is characterized in that the commutation faces to be symmetrically set in two sides of mounting hole including two and outside is equipped with
Connect the commutation face of electric ear；Commutation face includes: the commutation basal plane on printed circuit board, the palladium connecting with commutation basal plane upper end
Silver alloy covering surface.Palladium-silver is to form continuous solid solution using palladium as the bianry alloy of base addition silver, palladium and Yin Ke infinitely dissolve
Body has good inoxidizability at room temperature, and Vickers hardness reaches 736 to 883MPa, and wearability is stronger, is commonly used for light current and connects
Point.The flat vibration motor reversing plate structure, with the palladium-silver covering surface that connect of commutation basal plane upper end, instead of being electroplated
In the surface layer constituted on copper foil and by nickel-copper-Au-Co alloy, the surface layer in face of commutating is not vulnerable, is not likely to produce between commutation face
Short circuit, motor service life are longer.
Preferably, the commutation basal plane is MX215 nickel gun-metal basal plane.MX215 material is that nickelic stanniferous copper closes
Gold, MX215 material are the quinary alloys containing noble metals such as Ag, Pt, Au, Ni, Cu, they are all most excellent electric contact materials；
Commutation basal plane is MX215 nickel gun-metal basal plane, compared with copper foil base, with conductive capability is strong, contact resistance is stable, corrosion resistant
The advantages that erosion, high reliability.
Preferably, the roughness grade of the palladium-silver covering surface upper end is IT6 or is higher than IT6.According to
The size of palladium-silver covering surface, the Ra max/ μm of palladium-silver covering surface upper end are 0.2.Palladium-silver covering surface upper end
Roughness grade is IT6 or is higher than IT6, and dimensional accuracy with higher can improve wearability, stability, contact
Rigidity and fatigue strength, improve service life.
Preferably, the shape in the commutation face is sector；Between being equipped between the relative side in two neighboring commutation face
Gap, and the relative side in two neighboring commutation face is parallel.Conducive to production and two neighboring commutation face relative side between will not
Generate short circuit.
A kind of flat vibration motor reversing plate structure and production method, the flat vibration motor reversing plate structure are upper
The flat vibration motor reversing plate structure stated, step 1, a punch forming number and commutation face number is identical and shape one by one
Corresponding palladium-silver covering surface；Step 2 removes the burr of the outer side wall of palladium-silver covering surface；Step 3, palladium-silver cover
Capping corresponds the MX215 nickel gun-metal basal plane covered on printed circuit board and is bonded by binder；Step
Rapid four, the outside in face of commutating and the periphery for connecing electric ear, palladium-silver covering surface and commutation basal plane are welded by electronic spot-welding, are guaranteed
The conducting of circuit；Step 4 carries out cloth disc sharpener or grinding, the table of palladium-silver covering surface upper end to palladium-silver covering surface upper end
Surface roughness grade is IT6 or is higher than IT6.The flat vibration motor reversing plate structure and production method are able to satisfy commutation face
Surface layer it is not vulnerable, short circuit, the longer needs of motor service life are not likely to produce between commutation face；Palladium-silver covering surface with
MX215 nickel gun-metal basal plane is bonded by binder, the palladium-silver covering surface in the outside in face of commutating and the periphery for connecing electric ear
It is welded with commutation basal plane by electronic spot-welding, conducting that is easy to connect and secured and guaranteeing circuit.
Compared with prior art, the beneficial effects of the present invention are: the flat vibration motor reversing plate structure, with change
The palladium-silver covering surface connected to basal plane upper end, instead of the surface layer for being plated on copper foil and being made of nickel-copper-Au-Co alloy,
The surface layer in commutation face is not vulnerable, and short circuit is not likely to produce between commutation face, and motor service life is longer.Commutation basal plane is MX215
Nickel gun-metal basal plane has that conductive capability is strong, contact resistance is stable, corrosion-resistant, high reliability etc. is excellent compared with copper foil base
Point.The roughness grade of palladium-silver covering surface upper end is IT6 or is higher than IT6, and dimensional accuracy with higher, can be mentioned
High-wearing feature, stability, contact stiffness and fatigue strength, improve service life.The shape in commutation face is sector, two neighboring to change
To gap is equipped between the relative side in face, and the relative side in two neighboring commutation face is parallel, is conducive to production and two neighboring
Short circuit will not be generated between the relative side in commutation face.The flat vibration motor reversing plate structure and production method are able to satisfy
The surface layer in commutation face is not vulnerable, and short circuit, the longer needs of motor service life are not likely to produce between commutation face；Palladium-silver covers
Capping and MX215 nickel gun-metal basal plane are bonded by binder, the palladium-silver in the outside in face of commutating and the periphery for connecing electric ear
Covering surface and commutation basal plane are welded by electronic spot-welding, conducting that is easy to connect and secured and guaranteeing circuit.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of the invention；
Fig. 2 is the structural schematic diagram of the palladium-silver covering surface of punch forming.
In figure: mounting hole 1, printed circuit board 2 connect electric ear 3, commutation face 4, palladium-silver covering surface 5, MX215 nickel tin
Copper alloy basal plane 6, gap 7.
Specific embodiment
The present invention is described further shown in reference to the accompanying drawing.
As shown in attached drawing 1, attached drawing 2: a kind of flat vibration motor reversing plate structure, comprising: the printing electricity equipped with mounting hole 1
Base board 2, three commutations along 1 circle distribution of mounting hole face；The commutation faces to be symmetrically set in mounting hole 1 including two
Two sides and outside are equipped with the commutation face 4 for connecing electric ear 3；Commutation face 4 includes: the commutation basal plane on printed circuit board 2, and is changed
The palladium-silver covering surface 5 connected to basal plane upper end.In the present embodiment, palladium-silver covering surface 5 passes through with commutation basal plane upper end
Binder bonding,
The commutation basal plane is MX215 nickel gun-metal basal plane 6.
The roughness grade of 5 upper end of palladium-silver covering surface is IT6.
The shape in the commutation face 4 is sector；Gap 7, and phase are equipped between the relative side in two neighboring commutation face 4
The relative side in adjacent two commutations face 4 is parallel.Two fan-shaped side asymmetry.
A kind of flat vibration motor reversing plate structure and production method, the flat vibration motor reversing plate structure are upper
The flat vibration motor reversing plate structure stated, step 1, a punch forming number and commutation 4, face number is identical and shape one by one
Corresponding palladium-silver covering surface 5；Step 2 removes the burr of the outer side wall of palladium-silver covering surface 5；Step 3, palladium-silver
Covering surface 5 corresponds the MX215 nickel gun-metal basal plane 6 covered on printed circuit board 2 and is glued by binder
Knot；Step 4, the outside in commutation face 4 and connect electric ear 3 periphery palladium-silver covering surface 5 and commutation basal plane pass through electronic spot-welding
Welding, guarantees the conducting of circuit；Step 4 carries out cloth disc sharpener or grinding, palladium-silver covering to 5 upper end of palladium-silver covering surface
The roughness grade of 5 upper end of face is IT6.
In addition to the implementation, within the scope of the claims of the present invention and the specification, skill of the invention
Art feature or technical data can be reselected and be combined, to constitute new embodiment, these are all art technologies
Personnel are without carrying out what creative work can be realized, therefore the embodiment that these present invention are not described in also should be regarded as this
The specific embodiment of invention and within protection scope of the present invention.
Claims (5)
1. a kind of flat vibration motor reversing plate structure, comprising: the printed circuit board equipped with mounting hole, several are along mounting hole
The commutation of circle distribution faces；It is characterized in that the commutation faces to be symmetrically set in two sides of mounting hole including two and outside is set
There is the commutation face for connecing electric ear；Commutation face includes: the commutation basal plane on printed circuit board, is connect with commutation basal plane upper end
Palladium-silver covering surface.
2. flat vibration motor reversing plate structure according to claim 1, it is characterized in that: the commutation basal plane is
MX215 nickel gun-metal basal plane.
3. flat vibration motor reversing plate structure according to claim 1, it is characterized in that: the palladium-silver covering surface
The roughness grade of upper end is IT6 or is higher than IT6.
4. flat vibration motor reversing plate structure according to claim 1 or 2 or 3, it is characterized in that: the commutation face
Shape is sector；Gap is equipped between the relative side in two neighboring commutation face, and the relative side in two neighboring commutation face is flat
Row.
5. a kind of flat vibration motor reversing plate structure and production method, the flat vibration motor reversing plate structure is right
It is required that 1 to any flat vibration motor reversing plate structure of claim 4, it is characterized in that: step 1, a punch forming
Face number is identical and the one-to-one palladium-silver covering surface of shape with commutation for number；Step 2 removes palladium-silver covering surface
The burr of outer side wall；Step 3, palladium-silver covering surface one-to-one correspondence cover the MX215 nickel tin on printed circuit board
Copper alloy basal plane is simultaneously bonded by binder；Step 4, the palladium-silver covering surface in the outside in face of commutating and the periphery for connecing electric ear
It is welded with commutation basal plane by electronic spot-welding, guarantees the conducting of circuit；Step 4 carries out cotton piece buff to palladium-silver covering surface upper end
Mill or grinding, the roughness grade of palladium-silver covering surface upper end are IT6 or are higher than IT6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910285525.7A CN110167262B (en) | 2019-04-10 | 2019-04-10 | Flat vibration motor commutator plate structure and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910285525.7A CN110167262B (en) | 2019-04-10 | 2019-04-10 | Flat vibration motor commutator plate structure and manufacturing method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110167262A true CN110167262A (en) | 2019-08-23 |
| CN110167262B CN110167262B (en) | 2021-12-07 |
Family
ID=67639348
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910285525.7A Active CN110167262B (en) | 2019-04-10 | 2019-04-10 | Flat vibration motor commutator plate structure and manufacturing method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110167262B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS607086A (en) * | 1983-06-23 | 1985-01-14 | 田中貴金属工業株式会社 | Material for slide |
| CN101673989A (en) * | 2009-10-12 | 2010-03-17 | 深圳市双环全新机电股份有限公司 | Precise coreless cup direct-current geared motor |
| CN205407514U (en) * | 2016-03-04 | 2016-07-27 | 浙江天驰电子有限公司 | Circuit board |
-
2019
- 2019-04-10 CN CN201910285525.7A patent/CN110167262B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS607086A (en) * | 1983-06-23 | 1985-01-14 | 田中貴金属工業株式会社 | Material for slide |
| CN101673989A (en) * | 2009-10-12 | 2010-03-17 | 深圳市双环全新机电股份有限公司 | Precise coreless cup direct-current geared motor |
| CN205407514U (en) * | 2016-03-04 | 2016-07-27 | 浙江天驰电子有限公司 | Circuit board |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110167262B (en) | 2021-12-07 |
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Denomination of invention: Structure and manufacturing method of reversing plate of flat vibration motor Effective date of registration: 20221228 Granted publication date: 20211207 Pledgee: Dongyang Branch of China Construction Bank Co.,Ltd. Pledgor: ZHEJIANG DONGYANG DONGCI CHENGJI ELECTRONIC Co.,Ltd. Registration number: Y2022330003719 |