CN108467270A - A kind of preparation method of electrographite brush - Google Patents
A kind of preparation method of electrographite brush Download PDFInfo
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- CN108467270A CN108467270A CN201810414215.6A CN201810414215A CN108467270A CN 108467270 A CN108467270 A CN 108467270A CN 201810414215 A CN201810414215 A CN 201810414215A CN 108467270 A CN108467270 A CN 108467270A
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- flake graphite
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/515—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics
- C04B35/52—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on carbon, e.g. graphite
- C04B35/528—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on carbon, e.g. graphite obtained from carbonaceous particles with or without other non-organic components
- C04B35/532—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on carbon, e.g. graphite obtained from carbonaceous particles with or without other non-organic components containing a carbonisable binder
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/515—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics
- C04B35/52—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on carbon, e.g. graphite
- C04B35/521—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on carbon, e.g. graphite obtained by impregnation of carbon products with a carbonisable material
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/515—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics
- C04B35/52—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on carbon, e.g. graphite
- C04B35/522—Graphite
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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
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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
- H01R39/24—Laminated contacts; Wire contacts, e.g. metallic brush, carbon fibres
-
- 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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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/48—Organic compounds becoming part of a ceramic after heat treatment, e.g. carbonising phenol resins
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
- C04B2235/94—Products characterised by their shape
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Motor Or Generator Current Collectors (AREA)
Abstract
The invention discloses a kind of preparation methods of electrographite brush, include the following steps：S1：Material prepares：Use petroleum coke for aggregate, coal tar pitch is binder, is crushed to petroleum coke, and milling carries out heating fusing to coal tar pitch, petroleum coke powder and the coal tar pitch after fusing is carried out kneading, thickener powder, S2 is made in secondary milling：Compression molding：Thickener powder described in S1 is put into the mold of moulding press, sheet-like article, S3 are molded into：Sheet-like article processing：Sheet-like article described in S2 is roasted, bituminizing, flake graphite, S4 is made：Mechanical processing：Flake graphite described in S3 is machined.The present invention is suitably adjusted according to actual needs by being detected to the shape of flake graphite, size, appearance and conductivity, so that the shape, size, appearance of electrographite brush is met set production standard, is substantially increased the quality of electrographite brush.
Description
Technical field
The present invention relates to the preparing technical field of electrographite brush more particularly to a kind of preparation methods of electrographite brush.
Background technology
Electrographite brush is the pure brush made of sheet natural graphite, the manufacturing method and carbon-graphite of pure electrographite brush
Brush is identical, is formed by high temperature sintering, manufactured brush, there is different density at different levels, and density is higher, and constitution is harder, and
Nominal current density is also higher but the lower electrographite brush of density is more stable when commutator is run, and contact is also close, no
Bounce is caused, the material of brush is made of graphite mostly, and in order to increase electric conductivity, also useful cupric graphite is made, and graphite has well
Electric conductivity, quality is soft and wear-resisting.
Through retrieval, the patent document of application number 201610509270.4 discloses a kind of metal-graphite brush and its preparation side
Method, preparation method are：1) it heats, under nitrogen or inert gas shielding, pitch is heated to obtain molten mass, and at 500 °C
Lower constant temperature；2) it is pyrolyzed, molten mass is heated to 1500 °C with 10 °C of heating rates per minute, and constant temperature 0.1-1 hours；3) stone
1500 °C of molten mass is heated to 3300 °C by black alkylene with 100 °C of heating rates per minute, and constant temperature 1-3 minutes；4) cold
But, oscillation treatment is carried out to molten mass with ultrasonic wave in cooling procedure, and added again when the temperature of molten mass drops to 400 °C or less
Enter a certain amount of pitch, cu-zn alloy powder, titanium oxide, iron oxide stirring；5) metal-graphite brush green body is made in solidification sintering,
But the quality of the electrographite brush prepared in this way is relatively low.
Invention content
Technical problems based on background technology, the present invention propose a kind of preparation method of electrographite brush.
A kind of preparation method of electrographite brush proposed by the present invention, includes the following steps：
S1：Material prepares：Use petroleum coke for aggregate, coal tar pitch is binder, is crushed to petroleum coke, and milling drips coal
Blueness carries out heating fusing, petroleum coke powder and the coal tar pitch after fusing is carried out kneading, thickener powder is made in secondary milling；
S2：Compression molding：Thickener powder described in S1 is put into the mold of moulding press, sheet-like article is molded into；
S3：Sheet-like article processing：Sheet-like article described in S2 is roasted, bituminizing, flake graphite is made；
S4：Mechanical processing：Flake graphite described in S3 is machined, to the shape, size and appearance of flake graphite
Carry out deep processing；
S5：Detection：The shape of flake graphite after deep processing described in S4, size, appearance and conductivity are detected, examined
Next process can be carried out after surveying qualification；
S6：It is prepared by brush：The qualified flake graphite of detection described in S5 is arranged together, carries out bituminizing again, so
Brush sample is made in the flake graphite high temperature sintering that will be arranged afterwards；
S7：Finishing detection：Last finishing is done to the brush sample described in S6, and the conductivity of brush sample is examined
It surveys, can be prepared by electrographite brush after detection is qualified.
Preferably, in the S2, when carrying out compression molding work, an electronic scale is first selected, according to comparison powder
It is weighed, powder is divided into more parts, then more parts of powder are put into respectively in different molds and are molded.
Preferably, in the S2, when carrying out compression molding work, inspection is sampled to molding product for the first time, is examined
The molding situation of product is looked into, it is found that product molding degree is problematic, moulding press is adjusted in time.
Preferably, in the S4, when being machined, the shape of flake graphite is detected first, to deformation
Serious flake graphite is rejected, and deformation is not serious to carry out polishing finishing, is then measured to the size of flake graphite,
And compared with the size of setting, the small direct rejecting of size, larger-size needs carry out polishing finishing, later to sheet
The appearance of graphite is detected, shaggy to polish.
Preferably, in the S5, the conductivity of flake graphite is detected using conductivity of graphite tester.
Preferably, it in the S6, after high temperature sintering, needs to carry out cooling treatment, slow cooling.
Preferably, in the S7, when being modified to brush sample, need the arrangement for detecting flake graphite whether whole
Together, whether intermediate to have the gap, whether surface is smooth, with conductivity of graphite tester to the conductivity of brush sample after detection is qualified
It is tested.
Preferably, when the size to flake graphite measures, using measuring scale to the length of flake graphite, width into
Row measures.
Beneficial effects of the present invention：By being detected to the shape of flake graphite, size, appearance and conductivity, and root
It is suitably adjusted according to actual needs, so that the shape, size, appearance of electrographite brush is met set production standard, carry significantly
The high quality of electrographite brush.
Specific implementation mode
The present invention is made further to explain with reference to specific embodiment.
Embodiment
A kind of preparation method of electrographite brush is proposed in the present embodiment, is included the following steps：
S1：Material prepares：Use petroleum coke for aggregate, coal tar pitch is binder, is crushed to petroleum coke, and milling drips coal
Blueness carries out heating fusing, petroleum coke powder and the coal tar pitch after fusing is carried out kneading, thickener powder is made in secondary milling；
S2：Compression molding：Thickener powder described in S1 is put into the mold of moulding press, sheet-like article is molded into；
S3：Sheet-like article processing：Sheet-like article described in S2 is roasted, bituminizing, flake graphite is made；
S4：Mechanical processing：Flake graphite described in S3 is machined, to the shape, size and appearance of flake graphite
Carry out deep processing；
S5：Detection：The shape of flake graphite after deep processing described in S4, size, appearance and conductivity are detected, examined
Next process can be carried out after surveying qualification；
S6：It is prepared by brush：The qualified flake graphite of detection described in S5 is arranged together, carries out bituminizing again, so
Brush sample is made in the flake graphite high temperature sintering that will be arranged afterwards；
S7：Finishing detection：Last finishing is done to the brush sample described in S6, and the conductivity of brush sample is examined
It surveys, can be prepared by electrographite brush after detection is qualified.
In the present embodiment, in S2, when carrying out compression molding work, an electronic scale is first selected, according to comparison powder
Weighed, powder be divided into more parts, then more parts of powder are put into respectively in different molds and are molded, in S2, into
When row compression molding works, inspection is sampled to molding product for the first time, checks the molding situation of product, finds product molding
Spend problematic, moulding press be adjusted in time, in S4, when being machined, first to the shape of flake graphite into
Row detection is rejected to deforming serious flake graphite, and deformation is not serious to carry out polishing finishing, then to flake graphite
Size measures, and is compared with the size of setting, the small direct rejecting of size, it is larger-size carry out polishing repair
It is whole, the appearance of flake graphite is detected later, it is shaggy to polish, in S5, surveyed using conductivity of graphite
Examination instrument is detected the conductivity of flake graphite, in S6, after high temperature sintering, needs to carry out cooling treatment, slow cooling, S7
In, when being modified to brush sample, need the arrangement for detecting flake graphite whether neat, whether centre has the gap, surface
It is whether smooth, the conductivity of brush sample is tested with conductivity of graphite tester after detection is qualified, to flake graphite
Size when measuring, the length of flake graphite, width are measured using measuring scale, the beneficial effects of the invention are as follows logical
It crosses the shape to flake graphite, size, appearance and conductivity to be detected, and is suitably adjusted according to actual needs, make stone
Shape, size, the appearance of black brush meet set production standard, substantially increase the quality of electrographite brush.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Any one 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 (8)
1. a kind of preparation method of electrographite brush, which is characterized in that include the following steps：
S1：Material prepares：Use petroleum coke for aggregate, coal tar pitch is binder, is crushed to petroleum coke, and milling drips coal
Blueness carries out heating fusing, petroleum coke powder and the coal tar pitch after fusing is carried out kneading, thickener powder is made in secondary milling；
S2：Compression molding：Thickener powder described in S1 is put into the mold of moulding press, sheet-like article is molded into；
S3：Sheet-like article processing：Sheet-like article described in S2 is roasted, bituminizing, flake graphite is made；
S4：Mechanical processing：Flake graphite described in S3 is machined, to the shape, size and appearance of flake graphite
Carry out deep processing；
S5：Detection：The shape of flake graphite after deep processing described in S4, size, appearance and conductivity are detected, examined
Next process can be carried out after surveying qualification；
S6：It is prepared by brush：The qualified flake graphite of detection described in S5 is arranged together, carries out bituminizing again, so
Brush sample is made in the flake graphite high temperature sintering that will be arranged afterwards；
S7：Finishing detection：Last finishing is done to the brush sample described in S6, and the conductivity of brush sample is examined
It surveys, can be prepared by electrographite brush after detection is qualified.
2. a kind of preparation method of electrographite brush according to claim 1, which is characterized in that in the S2, carrying out mould
When molded work, an electronic scale is first selected, is weighed according to comparison powder, powder is divided into more parts, it then will be more
Part powder, which is put into respectively in different molds, to be molded.
3. a kind of preparation method of electrographite brush according to claim 1, which is characterized in that in the S2, carrying out mould
When molded work, inspection is sampled to molding product for the first time, checks the molding situation of product, it is found that product molding degree has
Problem will in time be adjusted moulding press.
4. a kind of preparation method of electrographite brush according to claim 1, which is characterized in that in the S4, in the machine of progress
When tool is processed, the shape of flake graphite is detected first, is rejected to deforming serious flake graphite, deformation is not serious
Carry out polishing finishing, then the size of flake graphite is measured, and is compared with the size of setting, small straight of size
Rejecting is connect, larger-size needs carry out polishing finishing, are detected later to the appearance of flake graphite, shaggy needs
It polishes.
5. a kind of preparation method of electrographite brush according to claim 1, which is characterized in that in the S5, using graphite
Conductivity measurement is detected the conductivity of flake graphite.
6. a kind of preparation method of electrographite brush according to claim 1, which is characterized in that in the S6, burnt in high temperature
After knot, need to carry out cooling treatment, slow cooling.
7. a kind of preparation method of electrographite brush according to claim 1, which is characterized in that in the S7, to brush
When sample is modified, need the arrangement for detecting flake graphite whether neat, whether centre has the gap, and whether surface is smooth, inspection
The conductivity of brush sample is tested with conductivity of graphite tester after surveying qualification.
8. a kind of preparation method of electrographite brush according to claim 4, which is characterized in that in the size to flake graphite
When measuring, the length of flake graphite, width are measured using measuring scale.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201810414215.6A CN108467270A (en) | 2018-05-03 | 2018-05-03 | A kind of preparation method of electrographite brush |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810414215.6A CN108467270A (en) | 2018-05-03 | 2018-05-03 | A kind of preparation method of electrographite brush |
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| CN108467270A true CN108467270A (en) | 2018-08-31 |
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| CN201810414215.6A Pending CN108467270A (en) | 2018-05-03 | 2018-05-03 | A kind of preparation method of electrographite brush |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113075148A (en) * | 2021-03-22 | 2021-07-06 | 久泰能源(准格尔)有限公司 | Method for measuring carbon content on surface of catalyst in MTO (methanol to olefin) process |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101798080A (en) * | 2010-03-01 | 2010-08-11 | 中钢集团吉林炭素股份有限公司 | Method for manufacturing graphite electrode joint material |
| CN105130436A (en) * | 2015-08-25 | 2015-12-09 | 自贡东新电碳有限责任公司 | Preparation method for high-resistivity carbon black-based electrographite electric brush material |
-
2018
- 2018-05-03 CN CN201810414215.6A patent/CN108467270A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101798080A (en) * | 2010-03-01 | 2010-08-11 | 中钢集团吉林炭素股份有限公司 | Method for manufacturing graphite electrode joint material |
| CN105130436A (en) * | 2015-08-25 | 2015-12-09 | 自贡东新电碳有限责任公司 | Preparation method for high-resistivity carbon black-based electrographite electric brush material |
Non-Patent Citations (4)
| Title |
|---|
| 日本碳素材料学会: "《电机用电刷及其使用方法》", 30 November 1982, 机械工业出版社 * |
| 段玉春: "《最新电工技术手册》", 31 March 2009, 内蒙古人民出版社 * |
| 芮静康: "《袖珍电工材料手册》", 29 February 2004, 中国建筑工业出版社 * |
| 黄四信等: "等静压石墨的生产工艺、主要用途和国内市场分析", 《炭素技术》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113075148A (en) * | 2021-03-22 | 2021-07-06 | 久泰能源(准格尔)有限公司 | Method for measuring carbon content on surface of catalyst in MTO (methanol to olefin) process |
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