CN108963709A - A kind of preparation method of electric brush for electric tool motor - Google Patents
A kind of preparation method of electric brush for electric tool motor Download PDFInfo
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- CN108963709A CN108963709A CN201810689636.XA CN201810689636A CN108963709A CN 108963709 A CN108963709 A CN 108963709A CN 201810689636 A CN201810689636 A CN 201810689636A CN 108963709 A CN108963709 A CN 108963709A
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- brush
- preparation
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- pitch
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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
- 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)
Abstract
The invention discloses a kind of preparation methods of electric brush for electric tool motor, the following steps are included: S1: raw material preparation: according to the proportion successively to graphite, pitch, curing agent and graphene are weighed, and by graphite, pitch and curing agent, which are put into container, to be stored, graphene is put into container, it adds water and stirs, graphene aqueous solution is made, etc. to be used, S2: feedstock processing: graphite described in S1 and pitch are crushed, then it is milled to smashed graphite and pitch, powder is made, S3: mixing: powder described in S2 is mixed with graphene aqueous solution, obtain mixture, S4: dry milling: mixture described in S3 is dried, it crushes, milling processing, mixture of powders is made.The present invention is tested by appearance to brush and performance, can be recognized the concrete condition of brush in time, can be rejected the product of inferior quality in time, is carried out control convenient for the quality to brush, is guaranteed the quality of production.
Description
Technical field
The present invention relates to the preparation technical field of brush more particularly to a kind of preparation sides of electric brush for electric tool motor
Method.
Background technique
Brush is to make sliding contact with movement parts and form a kind of conductive component being electrically connected.Brush be for commutator or
On slip ring, as the sliding contact body for importing and exporting electric current, its conduction, thermally conductive and greasy property is good, and has certain
Mechanical strength and commutation property spark instinct, almost all of direct current generator and commutating machine all use brush, it is
The important composition component of motor is one of the main component for conducting electric current between motor rotating part and stationary part, has
Good sliding contact characteristic (such as coefficient of friction, wearability), also has particular/special requirement to resistivity and contact resistance etc., usually
Using graphite as main raw material(s), through retrieving, the patent document of application number 201610789841.4 discloses a kind of electric tool electricity
The preparation method of machine brush, is related to Material Field comprising: by the matrix powder and bonding that will include graphene aqueous solution
Agent pitch is uniformly mixed in a heated condition, obtains brush raw mixture；Brush raw mixture is crushed again, is sieved
Divide, mixed processing, brush raw mixture powder is made；Brush raw mixture powder is added in compacting tool set, is carried out
Brush blank is made in compression process；Thermal bake-out processing is carried out to brush blank, brush first product is made；To brush first product carry out at
Product working process obtains brush finished product.Electric brush for electric tool resistivity of the present invention is moderate, brush operation grade of spark is low, changes
It is good to performance, product stability is good, wear-resisting property is excellent, electromagnetism interference, be particularly suitable for middle low-power angle grinder motor, but
It is that this brush is not easy to test to the appearance and performance of brush after being made, the quality of brush is caused to cannot be guaranteed.
Summary of the invention
Technical problems based on background technology, the invention proposes a kind of preparation sides of electric brush for electric tool motor
Method.
A kind of preparation method of electric brush for electric tool motor proposed by the present invention, comprising the following steps:
S1: raw material preparation: according to the proportion successively weighing graphite, pitch, curing agent and graphene, and by graphite, pitch
It puts into container and is stored with curing agent, graphene is put into container, add water and stir, graphene aqueous solution is made, wait
It uses；
S2: feedstock processing: crushing graphite described in S1 and pitch, then grinds to smashed graphite and pitch
Powder is made in powder；
S3: mixing: powder described in S2 is mixed with graphene aqueous solution, obtains mixture；
S4: dry milling: being dried mixture described in S3, crushes, and mixture of powders is made in milling processing；
S5: shaping and roasting: the powder mixing in S4 is pressed, calcination process is then carried out, is carried out after roasting
It is cooling, it is processed after cooling, obtains brush sample；
S6: examine: test to the appearance and performance of brush sample described in S5, examine qualification can be prepared by brush at
Product；
S7: packaging: packing brush finished product described in S6, storage storage.
Preferably, in the S1, an electronic balance is selected, places weighing plate on an electronic balance, records electronics at this time
Then graphite, pitch, curing agent and graphene are successively put into weighing plate and are weighed by numerical value shown by balance.
Preferably, in the S2, graphite and pitch are successively put into pulverizer, start pulverizer, to graphite and pitch
It is crushed, is milled after crushing to graphite and asphalt stock, then powder obtained is put into screening machine and is carried out
Screening.
Preferably, in the S3, powder and graphene aqueous solution are put into mixing plant, start mixing plant, to powder
Material is mixed with graphene aqueous solution, takes out mixture obtained out of blender after the completion of stirring.
Preferably, it in the S4, will be put into drying box in mixture, mixture is dried in drying box heating.
Preferably, in the S4, after mixture is dry, then powder successively is carried out to mixture using pulverizer and flour mill
It is broken, milling processing.
Preferably, in the S5, molding raw material is put into roaster, roaster roasts raw material, has roasted
Raw material is put into after and carries out cooling down in cooling chamber.
Preferably, in the S6, when the appearance to brush sample is tested, brush sample should chamfering be proper, advises
Lattice are appropriate, the section of specification for structure, conducting wire and length meet the requirements, and do not loosen, fall off, is damaged, to fall side, arrisdefect, clip existing
As.
Preferably, it in the S6, is detected using performance of the instrument to brush sample, it need to be to the resistance of brush sample
Rate, Rockwell hardness, bulk density, current density, contact drop and coefficient of friction are tested.
Preferably, in the S3, when mixing to powder with graphene aqueous solution, curing agent is gradually added, is stirred
It mixes uniformly.
Beneficial effects of the present invention: it is tested by appearance to brush and performance, can recognize brush in time
Concrete condition can reject the product of inferior quality in time, carry out control convenient for the quality to brush, guarantee the quality of production.
Specific embodiment
Combined with specific embodiments below the present invention is made further to explain.
Embodiment
A kind of preparation method of electric brush for electric tool motor is proposed in the present embodiment, comprising the following steps:
S1: raw material preparation: according to the proportion successively weighing graphite, pitch, curing agent and graphene, and by graphite, pitch
It puts into container and is stored with curing agent, graphene is put into container, add water and stir, graphene aqueous solution is made, wait
It uses；
S2: feedstock processing: crushing graphite described in S1 and pitch, then grinds to smashed graphite and pitch
Powder is made in powder；
S3: mixing: powder described in S2 is mixed with graphene aqueous solution, obtains mixture；
S4: dry milling: being dried mixture described in S3, crushes, and mixture of powders is made in milling processing；
S5: shaping and roasting: the powder mixing in S4 is pressed, calcination process is then carried out, is carried out after roasting
It is cooling, it is processed after cooling, obtains brush sample；
S6: examine: test to the appearance and performance of brush sample described in S5, examine qualification can be prepared by brush at
Product；
S7: packaging: packing brush finished product described in S6, storage storage.
In the present embodiment, in S1, an electronic balance is selected, places weighing plate on an electronic balance, records electronics at this time
Then graphite, pitch, curing agent and graphene are successively put into weighing plate and are weighed by numerical value shown by balance, in S2,
Graphite and pitch are successively put into pulverizer, starts pulverizer, graphite and pitch is crushed, to graphite after crushing
It is milled with asphalt stock, then powder obtained is put into screening machine and is sieved, in S3, by powder and graphene water
Solution is put into mixing plant, starts mixing plant, powder and graphene aqueous solution are mixed, will after the completion of stirring
Mixture obtained takes out out of blender, in S4, will put into drying box in mixture, drying box heating, to mixture into
Row drying in S4, after mixture is dry, then successively crushes mixture using pulverizer and flour mill, milling processing, S5
In, molding raw material is put into roaster, roaster roasts raw material, puts raw material in cooling chamber into after the completion of roasting
Carry out cooling down, in S6, when the appearance to brush sample is tested, brush sample should chamfering is proper, specification is appropriate,
Specification for structure, the section of conducting wire and length meet the requirements, and do not loosen, fall off, is damaged, falling side, arrisdefect, clip phenomenon, in S6,
It is detected using performance of the instrument to brush sample, it need to resistivity, Rockwell hardness, bulk density, electric current to brush sample
Density, contact drop and coefficient of friction are tested, in S3, when mixing to powder with graphene aqueous solution, gradually
Addition curing agent, stir evenly, the beneficial effects of the invention are as follows being tested by appearance to brush and performance, Neng Gouji
When recognize the concrete condition of brush, the product of inferior quality can be rejected in time, control is carried out convenient for the quality to brush, guarantee production
Quality.
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 (10)
1. a kind of preparation method of electric brush for electric tool motor, which comprises the following steps:
S1: raw material preparation: according to the proportion successively weighing graphite, pitch, curing agent and graphene, and by graphite, pitch
It puts into container and is stored with curing agent, graphene is put into container, add water and stir, graphene aqueous solution is made, wait
It uses；
S2: feedstock processing: crushing graphite described in S1 and pitch, then grinds to smashed graphite and pitch
Powder is made in powder；
S3: mixing: powder described in S2 is mixed with graphene aqueous solution, obtains mixture；
S4: dry milling: being dried mixture described in S3, crushes, and mixture of powders is made in milling processing；
S5: shaping and roasting: the powder mixing in S4 is pressed, calcination process is then carried out, is carried out after roasting
It is cooling, it is processed after cooling, obtains brush sample；
S6: examine: test to the appearance and performance of brush sample described in S5, examine qualification can be prepared by brush at
Product；
S7: packaging: packing brush finished product described in S6, storage storage.
2. a kind of preparation method of electric brush for electric tool motor according to claim 1, which is characterized in that the S1
In, an electronic balance is selected, places weighing plate on an electronic balance, records numerical value shown by electronic balance at this time, then
Successively graphite, pitch, curing agent and graphene are put into weighing plate and weighed.
3. a kind of preparation method of electric brush for electric tool motor according to claim 1, which is characterized in that the S2
In, graphite and pitch are successively put into pulverizer, starts pulverizer, graphite and pitch is crushed, it is right after crushing
Graphite and asphalt stock are milled, and then put in screening machine powder obtained into and sieve.
4. a kind of preparation method of electric brush for electric tool motor according to claim 1, which is characterized in that the S3
In, powder and graphene aqueous solution are put into mixing plant, starts mixing plant, powder and graphene aqueous solution is mixed
Stirring is closed, takes out mixture obtained out of blender after the completion of stirring.
5. a kind of preparation method of electric brush for electric tool motor according to claim 1, which is characterized in that the S4
In, it will be put into drying box in mixture, mixture is dried in drying box heating.
6. a kind of preparation method of electric brush for electric tool motor according to claim 1, which is characterized in that the S4
In, after mixture is dry, then successively mixture is crushed using pulverizer and flour mill, milling processing.
7. a kind of preparation method of electric brush for electric tool motor according to claim 1, which is characterized in that the S5
In, molding raw material is put into roaster, roaster roasts raw material, puts raw material in cooling chamber into after the completion of roasting
Carry out cooling down.
8. a kind of preparation method of electric brush for electric tool motor according to claim 1, which is characterized in that the S6
In, when the appearance to brush sample is tested, brush sample should chamfering be proper, specification is appropriate, specification for structure, conducting wire
Section and length meet the requirements, and do not loosen, fall off, is damaged, falling side, arrisdefect, clip phenomenon.
9. a kind of preparation method of electric brush for electric tool motor according to claim 1, which is characterized in that the S6
In, it is detected using performance of the instrument to brush sample, it need to resistivity, Rockwell hardness, bulk density, electricity to brush sample
Current density, contact drop and coefficient of friction are tested.
10. a kind of preparation method of electric brush for electric tool motor according to claim 1, which is characterized in that the S3
In, when mixing to powder with graphene aqueous solution, curing agent is gradually added, is stirred evenly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810689636.XA CN108963709A (en) | 2018-06-28 | 2018-06-28 | A kind of preparation method of electric brush for electric tool motor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810689636.XA CN108963709A (en) | 2018-06-28 | 2018-06-28 | A kind of preparation method of electric brush for electric tool motor |
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| Publication Number | Publication Date |
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| CN108963709A true CN108963709A (en) | 2018-12-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810689636.XA Pending CN108963709A (en) | 2018-06-28 | 2018-06-28 | A kind of preparation method of electric brush for electric tool motor |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106033862A (en) * | 2015-03-18 | 2016-10-19 | 苏州东南电碳科技有限公司 | Manufacturing method of carbon brush used for locomotive traction motor |
| CN107785763A (en) * | 2016-08-31 | 2018-03-09 | 苏州东翔碳素有限公司 | A kind of preparation method of electric brush for electric tool motor |
| CN107785745A (en) * | 2016-08-31 | 2018-03-09 | 苏州东翔碳素有限公司 | A kind of brush for electric tool motor |
-
2018
- 2018-06-28 CN CN201810689636.XA patent/CN108963709A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106033862A (en) * | 2015-03-18 | 2016-10-19 | 苏州东南电碳科技有限公司 | Manufacturing method of carbon brush used for locomotive traction motor |
| CN107785763A (en) * | 2016-08-31 | 2018-03-09 | 苏州东翔碳素有限公司 | A kind of preparation method of electric brush for electric tool motor |
| CN107785745A (en) * | 2016-08-31 | 2018-03-09 | 苏州东翔碳素有限公司 | A kind of brush for electric tool motor |
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Application publication date: 20181207 |