CN108879271A - A kind of wear-resistant automobile fuel pump carbon brush and preparation method thereof - Google Patents
A kind of wear-resistant automobile fuel pump carbon brush and preparation method thereof Download PDFInfo
- Publication number
- CN108879271A CN108879271A CN201810707060.5A CN201810707060A CN108879271A CN 108879271 A CN108879271 A CN 108879271A CN 201810707060 A CN201810707060 A CN 201810707060A CN 108879271 A CN108879271 A CN 108879271A
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- China
- Prior art keywords
- wear
- carbon brush
- fuel pump
- automobile fuel
- sintering
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Classifications
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- 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
- H01R39/18—Contacts for co-operation with commutator or slip-ring, e.g. contact brush
- H01R39/20—Contacts for co-operation with commutator or slip-ring, e.g. contact brush characterised by the material thereof
-
- 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
- H01R39/18—Contacts for co-operation with commutator or slip-ring, e.g. contact brush
- H01R39/26—Solid sliding contacts, e.g. carbon brush
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
- H01R43/12—Manufacture of brushes
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Motor Or Generator Current Collectors (AREA)
- Powder Metallurgy (AREA)
Abstract
The invention discloses a kind of wear-resistant automobile fuel pump carbon brush and preparation method thereof, the raw material including following mass percent：Graphite powder 50%~80%, resinoid bond 40%~60%, electrolytic copper powder 2%~12%, rare anti-wear agent 2%~3%, carborundum powder 1%~5%, preparation method includes the following steps：S1, mixing：The raw material of the above parts by weight is added in mixing kettle, is mixed 6~8 hours, obtains mixture A；S2, compacting：Mixture A is sent in press, and conducting wire is directly embedded to compression moulding in mixture A, obtains semi-finished product molding B；S3, sintering：Semi-finished product molding B is sent into high temperature sintering in reaction continuous oven, sintering temperature is 700~800 DEG C.Manufacturing process of the present invention is simple, and manufacturing cost is low, can be obviously improved product hardness, reduces the abrasion loss of carbon brush in use, increases service life when motor work, is suitble to promote.
Description
Technical field
The present invention relates to automobile fuel pump carbon brush manufacturing technology field more particularly to a kind of wear-resistant automobile fuel pump carbon brush and its
Preparation method.
Background technique
Carbon brush（Carbon brush）Also it is brush, as a kind of slide contact member, is obtained in many electrical equipments wide
General application.Carbon brush mainly has graphite in products application material, soaks rouge graphite, metal（Cupric, silver）Graphite.Carbon brush is motor
Or the device of energy or signal is transmitted between generator or the fixed part and rotating part of other rotating machineries, it is usually pure
Carbon adds coagulator to be made, and external form is usually square, is stuck on metallic support, and there is spring handle in the inside, and it is pressed in shaft, motor
When rotation, electric energy is conveyed to coil by phase changer, since its main component is carbon, referred to as carbon brush, it is easy to wear
's.It answers periodic maintenance to replace, and clears up carbon distribution.
The oil pump carbon brush of existing domestic market is primarily present the defects of service life is short, and flowed fluctuation range is big, and electric current is high, sternly
Ghost image rings the output power of automobile fuel pump and the service life of motor, therefore we have proposed a kind of wear-resistant automobile fuel pump carbon brush
And preparation method thereof can effectively improve above-described problem, improve industrial competition.
Summary of the invention
The purpose of the present invention is to solve the service life existing in the prior art is short, flowed fluctuation range is big, and electric current is high
Disadvantage, and a kind of wear-resistant automobile fuel pump carbon brush and preparation method thereof proposed.
A kind of wear-resistant automobile fuel pump carbon brush, the raw material including following mass percent：Graphite powder 50%~80%, resin are viscous
Tie agent 40%~60%, electrolytic copper powder 2%~12%, rare anti-wear agent 2%~3%, carborundum powder 1%~5%.
Preferably, the raw material including following parts by weight：Graphite powder 60%~70%, resinoid bond 45%~55%, cathode copper
Powder 5%~10%, rare anti-wear agent 2.2%~2.8%, carborundum powder 2%~4%.
Preferably, the raw material including following parts by weight：It is graphite powder 65%, resinoid bond 50%, electrolytic copper powder 7%, rare resistance to
Grinding agent 2.5%, carborundum powder 3%.
Preferably, the rare anti-wear agent is made of tungsten disulfide and boron carbide, and the quality of tungsten disulfide and boron carbide
Than being 1:1~2.
A kind of preparation method of wear-resistant automobile fuel pump carbon brush, includes the following steps：
S1, mixing：The raw material of the above parts by weight is added in mixing kettle, is mixed 6~8 hours, obtains mixture A；
S2, compacting：Mixture A is sent in press, and conducting wire is directly embedded to compression moulding in mixture A, obtains half
Finished product molding B；
S3, sintering：Semi-finished product molding B is sent into high temperature sintering in reaction continuous oven, sintering temperature is 700~800 DEG C, duration
For 11~13h, sintering finished C is obtained；
S4, processing：Sintering finished C is cut, deburring, polishing, wear-resistant automobile fuel pump carbon brush is made.
Preferably, in the S1, the temperature of mixing is 35~40 DEG C, and mixing speed is 90~110r/min.
Compared with prior art, the beneficial effects of the invention are as follows：
1, the wear-resistant materials such as a certain amount of silicon carbide, resin binder, rare anti-wear agent are added, wherein silicon carbide and rare anti-wear agent
Belong to removing material, product hardness can be obviously improved, reduces the abrasion loss of carbon brush in use, resin binder is as one
The shaping structures of product are played decisive role during product compression moulding by kind binding material；
2, this product can effectively promote the service life when motor work while promoting self structure, reduce motor output
The fluctuation range of flow.Product is promoted in the competitiveness of colleague.
Manufacturing process of the present invention is simple, and manufacturing cost is low, can be obviously improved product hardness, reduces carbon brush in use process
In abrasion loss, increase motor work when service life, be suitble to promote.
Specific embodiment
Combined with specific embodiments below the present invention is made further to explain.
Embodiment one
A kind of wear-resistant automobile fuel pump carbon brush proposed by the present invention, the raw material including following mass percent：Graphite powder 50%, tree
Rouge binder 40%, electrolytic copper powder 2%, rare anti-wear agent 2%, carborundum powder 1%.
Preparation method includes the following steps：
S1, mixing：The raw material of the above parts by weight is added in mixing kettle, is mixed 6 hours, mixture A is obtained, wherein mixing
The temperature for closing stirring is 35 DEG C, mixing speed 90r/min；
S2, compacting：Mixture A is sent in press, and conducting wire is directly embedded to compression moulding in mixture A, obtains half
Finished product molding B；
S3, sintering：By semi-finished product molding B be sent into reaction continuous oven in high temperature sintering, sintering temperature be 700 DEG C, when it is a length of
11h obtains sintering finished C；
S4, processing：Sintering finished C is cut, deburring, polishing, wear-resistant automobile fuel pump carbon brush is made.
Embodiment two
A kind of wear-resistant automobile fuel pump carbon brush proposed by the present invention, the raw material including following mass percent：Graphite powder 65%, tree
Rouge binder 50%, electrolytic copper powder 7%, rare anti-wear agent 2.5%, carborundum powder 3%.
Preparation method includes the following steps：
S1, mixing：The raw material of the above parts by weight is added in mixing kettle, is mixed 7 hours, mixture A is obtained, wherein mixing
The temperature for closing stirring is 38 DEG C, mixing speed 100r/min；
S2, compacting：Mixture A is sent in press, and conducting wire is directly embedded to compression moulding in mixture A, obtains half
Finished product molding B；
S3, sintering：By semi-finished product molding B be sent into reaction continuous oven in high temperature sintering, sintering temperature be 750 DEG C, when it is a length of
12h obtains sintering finished C；
S4, processing：Sintering finished C is cut, deburring, polishing, wear-resistant automobile fuel pump carbon brush is made.
Embodiment three
A kind of wear-resistant automobile fuel pump carbon brush proposed by the present invention, the raw material including following mass percent：Graphite powder 80%, tree
Rouge binder 60%, electrolytic copper powder 12%, rare anti-wear agent 3%, carborundum powder 5%.
Preparation method includes the following steps：
S1, mixing：The raw material of the above parts by weight is added in mixing kettle, is mixed 8 hours, mixture A is obtained, wherein mixing
The temperature for closing stirring is 40 DEG C, mixing speed 110r/min；
S2, compacting：Mixture A is sent in press, and conducting wire is directly embedded to compression moulding in mixture A, obtains half
Finished product molding B；
S3, sintering：By semi-finished product molding B be sent into reaction continuous oven in high temperature sintering, sintering temperature be 800 DEG C, when it is a length of
13h obtains sintering finished C；
S4, processing：Sintering finished C is cut, deburring, polishing, wear-resistant automobile fuel pump carbon brush is made.
In the present embodiment, silicon carbide and rare anti-wear agent belong to removing material, can be obviously improved product hardness, reduce carbon brush
Abrasion loss in use, resin binder is as a kind of binding material, to product during product compression moulding
Shaping structures play decisive role, in addition while promoting self structure, use the longevity when can effectively promote motor work
Life reduces the fluctuation range of motor output flow.Product is promoted in the competitiveness of colleague, is suitble to promote.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (6)
1. a kind of wear-resistant automobile fuel pump carbon brush, which is characterized in that the raw material including following mass percent：Graphite powder 50%~
80%, resinoid bond 40%~60%, electrolytic copper powder 2%~12%, rare anti-wear agent 2%~3%, carborundum powder 1%~5%.
2. a kind of wear-resistant automobile fuel pump carbon brush according to claim 1, which is characterized in that the original including following parts by weight
Material：Graphite powder 60%~70%, resinoid bond 45%~55%, electrolytic copper powder 5%~10%, rare anti-wear agent 2.2%~2.8%, carbon
SiClx powder 2%~4%.
3. a kind of wear-resistant automobile fuel pump carbon brush according to claim 1, which is characterized in that the original including following parts by weight
Material：Graphite powder 65%, resinoid bond 50%, electrolytic copper powder 7%, rare anti-wear agent 2.5%, carborundum powder 3%.
4. a kind of wear-resistant automobile fuel pump carbon brush according to claim 1, which is characterized in that the rare anti-wear agent is by two
Tungsten sulfide and boron carbide composition, and the mass ratio of tungsten disulfide and boron carbide is 1:1~2.
5. a kind of preparation method of wear-resistant automobile fuel pump carbon brush, which is characterized in that include the following steps：
S1, mixing：The raw material of the above parts by weight is added in mixing kettle, is mixed 6~8 hours, obtains mixture A；
S2, compacting：Mixture A is sent in press, and conducting wire is directly embedded to compression moulding in mixture A, obtains half
Finished product molding B；
S3, sintering：Semi-finished product molding B is sent into high temperature sintering in reaction continuous oven, sintering temperature is 700~800 DEG C, duration
For 11~13h, sintering finished C is obtained；
S4, processing：Sintering finished C is cut, deburring, polishing, wear-resistant automobile fuel pump carbon brush is made.
6. a kind of preparation method of wear-resistant automobile fuel pump carbon brush according to claim 5, which is characterized in that the S1
In, the temperature of mixing is 35~40 DEG C, and mixing speed is 90~110r/min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810707060.5A CN108879271A (en) | 2018-07-02 | 2018-07-02 | A kind of wear-resistant automobile fuel pump carbon brush and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810707060.5A CN108879271A (en) | 2018-07-02 | 2018-07-02 | A kind of wear-resistant automobile fuel pump carbon brush and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108879271A true CN108879271A (en) | 2018-11-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810707060.5A Pending CN108879271A (en) | 2018-07-02 | 2018-07-02 | A kind of wear-resistant automobile fuel pump carbon brush and preparation method thereof |
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| CN (1) | CN108879271A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114824990A (en) * | 2022-04-26 | 2022-07-29 | 安徽衡盛五金机电制品有限公司 | Rapid forming process method of wear-resistant carbon brush |
| CN116835985A (en) * | 2023-06-01 | 2023-10-03 | 湖北东南佳新材料有限公司 | Carbon brush material for wiper motor and preparation method thereof |
| CN117226090A (en) * | 2023-09-12 | 2023-12-15 | 湖北东南佳新材料有限公司 | High-hardness wear-resistant carbon brush material and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1049428A (en) * | 1989-08-11 | 1991-02-20 | 马渊马达株式会社 | The metal-filled graphite brush of miniature motor and manufacture method thereof |
| US20080303373A1 (en) * | 2004-07-26 | 2008-12-11 | Totankako Co., Ltd. | Carbon Bruch |
| CN104901121A (en) * | 2015-05-15 | 2015-09-09 | 安徽天宇机电有限公司 | Metal electrographite brush with low electric noise and high signal stability, and preparation method for metal electrographite brush |
| CN106207691A (en) * | 2016-06-29 | 2016-12-07 | 佛山市盈通黑金碳材料股份有限公司 | A kind of automobile fuel pump carbon brush and preparation method thereof |
-
2018
- 2018-07-02 CN CN201810707060.5A patent/CN108879271A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1049428A (en) * | 1989-08-11 | 1991-02-20 | 马渊马达株式会社 | The metal-filled graphite brush of miniature motor and manufacture method thereof |
| US20080303373A1 (en) * | 2004-07-26 | 2008-12-11 | Totankako Co., Ltd. | Carbon Bruch |
| CN104901121A (en) * | 2015-05-15 | 2015-09-09 | 安徽天宇机电有限公司 | Metal electrographite brush with low electric noise and high signal stability, and preparation method for metal electrographite brush |
| CN106207691A (en) * | 2016-06-29 | 2016-12-07 | 佛山市盈通黑金碳材料股份有限公司 | A kind of automobile fuel pump carbon brush and preparation method thereof |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114824990A (en) * | 2022-04-26 | 2022-07-29 | 安徽衡盛五金机电制品有限公司 | Rapid forming process method of wear-resistant carbon brush |
| CN116835985A (en) * | 2023-06-01 | 2023-10-03 | 湖北东南佳新材料有限公司 | Carbon brush material for wiper motor and preparation method thereof |
| CN116835985B (en) * | 2023-06-01 | 2024-01-16 | 湖北东南佳新材料有限公司 | Carbon brush material for wiper motor and preparation method thereof |
| CN117226090A (en) * | 2023-09-12 | 2023-12-15 | 湖北东南佳新材料有限公司 | High-hardness wear-resistant carbon brush material and preparation method thereof |
| CN117226090B (en) * | 2023-09-12 | 2024-03-29 | 湖北东南佳新材料有限公司 | High-hardness wear-resistant carbon brush material and preparation method thereof |
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Application publication date: 20181123 |
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| RJ01 | Rejection of invention patent application after publication |