CN102280790A - Motor brush for small household appliances and manufacturing method of motor brush - Google Patents
Motor brush for small household appliances and manufacturing method of motor brush Download PDFInfo
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- CN102280790A CN102280790A CN2011101440062A CN201110144006A CN102280790A CN 102280790 A CN102280790 A CN 102280790A CN 2011101440062 A CN2011101440062 A CN 2011101440062A CN 201110144006 A CN201110144006 A CN 201110144006A CN 102280790 A CN102280790 A CN 102280790A
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Abstract
The invention discloses a motor brush for small household appliances and a manufacturing method of the motor brush. The motor brush is manufactured by taking natural crystal graphite, artificial graphite, copper powder and carbon black as main materials and matching with a lubricating agent, an additive and a caking agent through mixing, forming and roasting. The motor brush is suitable for small household appliances, such as a bean juice maker, a juicer, a shaver, a hair drier, a small iron, and the like. The motor brush for the small household appliances, disclosed by the invention, has the advantages of low resistivity, good steering property, low operation noise, excellent wear-resistance performance, long service, environment friendliness, simple manufacturing process, easiness in realization, stable product performance, high finished product ratio, and the like by adopting special raw materials and proportions.
Description
Technical field
The present invention relates to a kind of family expenses small electric apparatus motor brush and manufacture method thereof.
Background technology
The characteristics that the family expenses small electric apparatus is little because of its volume with the series excitation direct current machine, rotating speed is high require brush to possess that commutation ability is good, low, the advantages such as anti-wear performance is excellent, long service life, environmental protection of operation noise.Because the commutation of motor requires harsh, requires the resistivity of brush low.
In the prior art, generally adopting carbon, graphite powder is base-material, and is adhesives with the resin, pinches through mixing, the temperature of abrasive dust, moulding and about 200 ℃ is cured and makes this brush, and can there be following shortcoming in the brush of this kind fabrication process:
(1) resin glue only carries out thermosetting through about 200 ℃ temperature, can not be cracked into DIC, still exists with organic constitution, has environmental protection hidden danger;
(2) the brush serviceability is relatively poor, and stability is bad, and particularly resistance to wear uses resinoid bond very high to desired temperature control requirement when curing oven, and the unsteadiness of the product of production influences the wear-resisting of brush and other performances.
Summary of the invention
Goal of the invention: technical problem to be solved by this invention is in order to overcome above-mentioned deficiency, provides that a kind of resistivity is low, commutation ability good, the operation noise is low, anti-wear performance is excellent, the family expenses small electric apparatus motor brush of long service life, environment-friendly type.
Technical scheme: for solving the problems of the technologies described above, the technical solution adopted in the present invention is as follows:
A kind of family expenses small electric apparatus motor brush, it is with mineral crystal graphite, Delanium, copper powder, the carbon black material of main part as brush, be equipped with lubricant, additive, binding agent, form through mixing, moulding, roasting, the set of dispense ratio of its raw materials by weight portion meter is:
Wherein, described additive is a table salt.
Among the present invention, table salt has hygroscopy in air, thereby can absorb airborne moisture, form saturated solution gradually at its plane of crystal, become ionic condition from crystal state, the table salt that is ionic condition has conductivity, thereby can improve the conductivity of brush; The table salt of adhesive water can play better lubrication in addition, under drying regime, can reduce the resistance to wear of brush.
Preferably, the average grain diameter of described mineral crystal graphite is less than 300 orders, and the average grain diameter of described Delanium is less than 200 orders.
Further preferably, described lubricant is a tungsten disulfide, and its average grain diameter is less than 200 orders.
Still more preferably, described binding agent is a mid temperature pitch.
Make the method for above-mentioned family expenses small electric apparatus with motor brush, it comprises the steps:
1, press formula ratio mineral crystal graphite, Delanium, carbon black, lubricant, additive are added in the container, the limit heating edge was mixed 60～80 minutes.
When 2, treating that above-mentioned temperature of charge reaches 120 ± 10 ℃, add the binding agent of formula ratio, continue to be heated to 190 ± 10 ℃ and mixed pinching evenly, generally mixing the time of pinching is 150～180 minutes.
3, above-mentioned mix pinched uniform pasty material free cooling granulation in kneading process, when temperature of charge≤100 ℃, it to be drawn off from close device, and allow it freely be cooled to room temperature.
4, the granule materials of above-mentioned cooling is worn into powder, cross 80～120 mesh sieves, the copper powder of putting into mixing machine adding formula ratio then mixes the back discharging, and general incorporation time is 3～4 hours.
5, with the mold pressing one-shot forming under 16-18Mpa pressure of above-mentioned discharging thing, again under protectiveness and reducibility gas environment through 600～650 ℃ of temperature roastings, promptly get described brush.
As preferably, above-mentioned additive adopts table salt.
As preferably, above-mentioned mineral crystal graphite adopts average grain diameter less than 300 purposes, and Delanium adopts average grain diameter less than 200 purposes; Lubricant adopts tungsten disulfide, and its average grain diameter is less than 200 orders; Binding agent adopts mid temperature pitch.
In the above-mentioned manufacture method, with the mold pressing one-shot forming under the pressure condition of 16-18Mpa of discharging thing, roasting under 600～650 ℃ of temperature conditions, adopt this temperature to carry out the roasting thermosetting, resin glue all is cracked into DIC, and safety and environmental protection can not cause environmental pollution; And the resin glue cracking is complete, guarantees that properties of brush is more stable.
Beneficial effect: family expenses small electric apparatus motor brush of the present invention, adopt special raw material and proportioning, have that resistivity is low, commutation ability good, low, advantages such as anti-wear performance is excellent, long service life, environmental protection of operation noise.Be applicable to family expenses small electric apparatus such as soy bean milk making machine, juice extractor, shaver, hair dryer, little flatiron.Manufacturing process of the present invention is simple, is easy to realize, properties of product are stable, the rate of finished products height.
Embodiment:
Embodiment 1:
A kind of family expenses small electric apparatus motor brush, the set of dispense ratio of its raw materials by weight portion meter is:
The above-mentioned family expenses small electric apparatus manufacture method of motor brush, it comprises the steps:
1, by above-mentioned formula ratio mineral crystal graphite, Delanium, carbon black, tungsten disulfide, table salt are added in the container, the limit heating edge was mixed 70 minutes.
When 2, treating that above-mentioned temperature of charge reaches 120 ± 10 ℃, add the mid temperature pitch of formula ratio, continue to be heated to 190 ± 10 ℃ and mixed pinching evenly.
3, above-mentioned mix pinched uniform pasty material free cooling granulation in kneading process, when temperature of charge≤100 ℃, it to be drawn off from close device, and allow it freely be cooled to room temperature.
4, the granule materials of above-mentioned cooling is worn into powder, cross 100 mesh sieves, the copper powder of putting into mixing machine adding formula ratio then mixes the back discharging.
5, with the mold pressing one-shot forming under 16-18Mpa pressure of above-mentioned discharging thing, again at N
2/ H
2Through 600～650 ℃ of temperature roastings, promptly get described brush under the environment.
Embodiment 2:
A kind of family expenses small electric apparatus motor brush, the set of dispense ratio of its raw materials by weight portion meter is:
The above-mentioned family expenses small electric apparatus manufacture method of motor brush, it comprises the steps:
1, by above-mentioned formula ratio mineral crystal graphite, Delanium, carbon black, tungsten disulfide, table salt are added in the container, the limit heating edge was mixed 60 minutes.
When 2, treating that above-mentioned temperature of charge reaches 120 ± 10 ℃, add the mid temperature pitch of formula ratio, continue to be heated to 190 ± 10 ℃ and mixed pinching evenly.
3, above-mentioned mix pinched uniform pasty material free cooling granulation in kneading process, when temperature of charge≤100 ℃, it to be drawn off from close device, and allow it freely be cooled to room temperature.
4, the granule materials of above-mentioned cooling is worn into powder, cross 100 mesh sieves, the copper powder of putting into mixing machine adding formula ratio then mixes the back discharging.
5, with the mold pressing one-shot forming under 16-18Mpa pressure of above-mentioned discharging thing, again at N
2/ H
2Through 600～650 ℃ of temperature roastings, promptly get described brush under the environment.
Embodiment 3:
A kind of family expenses small electric apparatus motor brush, the set of dispense ratio of its raw materials by weight portion meter is:
The above-mentioned family expenses small electric apparatus manufacture method of motor brush, it comprises the steps:
1, by above-mentioned formula ratio mineral crystal graphite, Delanium, carbon black, tungsten disulfide, table salt are added in the container, the limit heating edge was mixed 70 minutes.
When 2, treating that above-mentioned temperature of charge reaches 120 ± 10 ℃, add the mid temperature pitch of formula ratio, continue to be heated to 190 ± 10 ℃ and mixed pinching evenly.
3, above-mentioned mix pinched uniform pasty material free cooling granulation in kneading process, when temperature of charge≤100 ℃, it to be drawn off from close device, and allow it freely be cooled to room temperature.
4, the granule materials of above-mentioned cooling is worn into powder, cross 80 mesh sieves, the copper powder of putting into mixing machine adding formula ratio then mixes the back discharging.
5, with the mold pressing one-shot forming under 16-18Mpa pressure of above-mentioned discharging thing, again at N
2/ H
2Through 600～650 ℃ of temperature roastings, promptly get described brush under the environment.
Embodiment 4:
A kind of family expenses small electric apparatus motor brush, the set of dispense ratio of its raw materials by weight portion meter is:
The above-mentioned family expenses small electric apparatus manufacture method of motor brush, it comprises the steps:
1, by above-mentioned formula ratio mineral crystal graphite, Delanium, carbon black, tungsten disulfide, table salt are added in the container, the limit heating edge was mixed 80 minutes.
When 2, treating that above-mentioned temperature of charge reaches 120 ± 10 ℃, add the mid temperature pitch of formula ratio, continue to be heated to 190 ± 10 ℃ and mixed pinching evenly.
3, above-mentioned mix pinched uniform pasty material free cooling granulation in kneading process, when temperature of charge≤100 ℃, it to be drawn off from close device, and allow it freely be cooled to room temperature.
4, the granule materials of above-mentioned cooling is worn into powder, cross 120 mesh sieves, the copper powder of putting into mixing machine adding formula ratio then mixes the back discharging.
5, with the mold pressing one-shot forming under 16-18Mpa pressure of above-mentioned discharging thing, again at N
2/ H
2Through 600～650 ℃ of temperature roastings, promptly get described brush under the environment.
Embodiment 5:
Brush that the foregoing description 1～4 is made and commercially available soy bean milk making machine brush compare test, result such as following table:
Test soy bean milk making machine model: JYD-C12S89, MS-DS10A2;
Properties of brush method of testing: bulk density: JB/T8133.14; Shore hardness: JB/T8133.4; Resistivity: JB/T8133.2; Wear rate: live load wear test.
As above shown in the table, the I of the brush resistance rate of the foregoing description reaches 35.1, the I of wear rate reaches 0.73, and the brush resistance rate minimum of contrast soy bean milk making machine is 60.0, the wear rate minimum is 1.28, as can be seen, resistivity of the present invention and wear rate brush more of the prior art all has decline by a relatively large margin.
Claims (9)
1. family expenses small electric apparatus motor brush is characterized in that the set of dispense ratio of raw materials by weight portion meter is:
5～25 parts in mineral crystal graphite
25～40 parts of Delaniums
2～8 parts of carbon blacks
8～15 parts of copper powders
1～3 part of lubricant
0.5～3 part of additive
20～30 parts of binding agents
Wherein, described additive is a table salt.
2. family expenses small electric apparatus motor brush according to claim 1 is characterized in that: the average grain diameter of described mineral crystal graphite is less than 300 orders, and the average grain diameter of described Delanium is less than 200 orders.
3. family expenses small electric apparatus motor brush according to claim 1 is characterized in that: described lubricant is a tungsten disulfide, and its average grain diameter is less than 200 orders.
4. family expenses small electric apparatus motor brush according to claim 1 is characterized in that: described binding agent is a mid temperature pitch.
5. make the method for the described family expenses small electric apparatus of claim 1, it is characterized in that it comprises the steps: with motor brush
(1) press formula ratio mineral crystal graphite, Delanium, carbon black, lubricant, additive are added in the container, the limit heating edge was mixed 60～80 minutes;
When (2) treating that above-mentioned temperature of charge reaches 120 ± 10 ℃, add the binding agent of formula ratio, continue to be heated to 190 ± 10 ℃ and mixed pinching evenly;
(3) above-mentioned mix pinched uniform pasty material free cooling granulation in kneading process, when temperature of charge≤100 ℃, it to be drawn off from close device, freely to be cooled to room temperature;
(4) granule materials of above-mentioned cooling is worn into powder, cross 80～120 mesh sieves, the copper powder of putting into mixing machine adding formula ratio then mixes the back discharging;
(5) with the mold pressing one-shot forming under 16-18Mpa pressure of above-mentioned discharging thing, again under protectiveness and reducibility gas environment through 600～650 ℃ of temperature roastings, promptly get described brush.
6. the family expenses small electric apparatus according to claim 5 manufacture method of motor brush, it is characterized in that: the additive described in the step (1) is a table salt.
7. the family expenses small electric apparatus according to claim 5 manufacture method of motor brush, it is characterized in that: the average grain diameter of the mineral crystal graphite described in the step (1) is less than 300 orders, and the average grain diameter of described Delanium is less than 200 orders; Described lubricant is a tungsten disulfide, and its average grain diameter is less than 200 orders; Described binding agent is a mid temperature pitch.
8. the family expenses small electric apparatus according to claim 5 manufacture method of motor brush, it is characterized in that: the mixed time of pinching described in the step (2) is 150～180 minutes.
9. the family expenses small electric apparatus according to claim 5 manufacture method of motor brush, it is characterized in that: the adding copper powder incorporation time described in the step (4) is 3～4 hours.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101440062A CN102280790A (en) | 2011-05-31 | 2011-05-31 | Motor brush for small household appliances and manufacturing method of motor brush |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101440062A CN102280790A (en) | 2011-05-31 | 2011-05-31 | Motor brush for small household appliances and manufacturing method of motor brush |
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| CN102280790A true CN102280790A (en) | 2011-12-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011101440062A Pending CN102280790A (en) | 2011-05-31 | 2011-05-31 | Motor brush for small household appliances and manufacturing method of motor brush |
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Cited By (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102904144A (en) * | 2012-10-26 | 2013-01-30 | 海门市通达碳业有限公司 | Production process of nontoxic electric brush |
| CN102916318A (en) * | 2012-10-30 | 2013-02-06 | 江苏华宇碳素有限公司 | Carbon brush of motor of drum washing machine and method for manufacturing carbon brush |
| CN104779503A (en) * | 2014-01-15 | 2015-07-15 | 苏州东南碳制品有限公司 | Electric brush for treadmill motor and manufacturing method of same |
| CN104882761A (en) * | 2015-05-15 | 2015-09-02 | 安徽天宇机电有限公司 | High-temperature-resisting metal electrographite brush and preparation method of metal electrographite brush |
| CN104882756A (en) * | 2015-05-15 | 2015-09-02 | 安徽天宇机电有限公司 | Metal electrographite brush material having high waterproof performance and preparation method for metal electrographite brush material |
| CN104882758A (en) * | 2015-05-15 | 2015-09-02 | 安徽天宇机电有限公司 | Metal electrographite brush having good conductivity and preparation method of metal electrographite brush |
| CN104882760A (en) * | 2015-05-15 | 2015-09-02 | 安徽天宇机电有限公司 | Electrographite brush not easy to get hot or damaged in using process and preparation method of metal electrographite brush |
| CN104882759A (en) * | 2015-05-15 | 2015-09-02 | 安徽天宇机电有限公司 | Metal electrographite brush with low cost and good performance and preparation method of metal electrographite brush |
| CN104882762A (en) * | 2015-05-15 | 2015-09-02 | 安徽天宇机电有限公司 | Brush having long service lifetime and preparation method thereof |
| CN104882757A (en) * | 2015-05-15 | 2015-09-02 | 安徽天宇机电有限公司 | Metal electrographite brush having high precision and good reliability and preparation method of metal electrographite brush |
| CN104901122A (en) * | 2015-05-15 | 2015-09-09 | 安徽天宇机电有限公司 | Excellent-performance metal graphite brush material and preparation method therefor |
| 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 |
| CN105036747A (en) * | 2015-06-25 | 2015-11-11 | 合肥蓝科新材料有限公司 | Nano-hydroxyapatite-doped high-density motor carbon brush material and preparation method thereof |
| CN106033858A (en) * | 2015-03-18 | 2016-10-19 | 苏州东南电碳科技有限公司 | Carbon brush used for locomotive traction motor |
| CN104779511B (en) * | 2014-01-15 | 2017-04-05 | 苏州东翔碳素有限公司 | The preparation method of running machine motor brush and the brush prepared by the method |
| CN106654795A (en) * | 2015-11-04 | 2017-05-10 | 苏州东翔碳素有限公司 | Manufacturing method of brush used for dust collector motor |
| CN106654782A (en) * | 2015-11-04 | 2017-05-10 | 苏州东翔碳素有限公司 | Electric brush for treadmill motor |
| CN106654780A (en) * | 2015-11-04 | 2017-05-10 | 苏州东翔碳素有限公司 | Material used to prepare electric brush applied to dust collector motor |
| CN106654779A (en) * | 2015-11-04 | 2017-05-10 | 苏州东翔碳素有限公司 | Material for preparing brush for treadmill motors |
| CN106654796A (en) * | 2015-11-04 | 2017-05-10 | 苏州东翔碳素有限公司 | Treadmill motor electric brush preparation method |
| CN106654781A (en) * | 2015-11-04 | 2017-05-10 | 苏州东翔碳素有限公司 | Electric brush used for dust collector motor |
| CN111490424A (en) * | 2020-06-04 | 2020-08-04 | 海门市恒昌碳业有限公司 | Wear-resistant carbon brush and production process thereof |
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| CN102035118A (en) * | 2009-09-30 | 2011-04-27 | 苏州东豪碳素有限公司 | Manufacturing formula and manufacturing process of electric brush for series-excitation AC-DC washing motor |
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| CN1741322A (en) * | 2004-08-26 | 2006-03-01 | 爱信精机株式会社 | Metal-graphite brush and motor including metal-graphite brush |
| CN102035118A (en) * | 2009-09-30 | 2011-04-27 | 苏州东豪碳素有限公司 | Manufacturing formula and manufacturing process of electric brush for series-excitation AC-DC washing motor |
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| CN102904144A (en) * | 2012-10-26 | 2013-01-30 | 海门市通达碳业有限公司 | Production process of nontoxic electric brush |
| CN102916318A (en) * | 2012-10-30 | 2013-02-06 | 江苏华宇碳素有限公司 | Carbon brush of motor of drum washing machine and method for manufacturing carbon brush |
| CN104779503A (en) * | 2014-01-15 | 2015-07-15 | 苏州东南碳制品有限公司 | Electric brush for treadmill motor and manufacturing method of same |
| CN104779503B (en) * | 2014-01-15 | 2017-12-05 | 苏州东翔碳素有限公司 | A kind of running machine motor brush and preparation method thereof |
| CN104779511B (en) * | 2014-01-15 | 2017-04-05 | 苏州东翔碳素有限公司 | The preparation method of running machine motor brush and the brush prepared by the method |
| CN106033858B (en) * | 2015-03-18 | 2018-07-13 | 苏州东南佳新材料股份有限公司 | A kind of locomotive traction motor carbon brush |
| CN106033858A (en) * | 2015-03-18 | 2016-10-19 | 苏州东南电碳科技有限公司 | Carbon brush used for locomotive traction motor |
| CN104882756A (en) * | 2015-05-15 | 2015-09-02 | 安徽天宇机电有限公司 | Metal electrographite brush material having high waterproof performance and preparation method for metal electrographite brush material |
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| CN104882758A (en) * | 2015-05-15 | 2015-09-02 | 安徽天宇机电有限公司 | Metal electrographite brush having good conductivity and preparation method of metal electrographite brush |
| CN104882761A (en) * | 2015-05-15 | 2015-09-02 | 安徽天宇机电有限公司 | High-temperature-resisting metal electrographite brush and preparation method of metal electrographite brush |
| CN105036747A (en) * | 2015-06-25 | 2015-11-11 | 合肥蓝科新材料有限公司 | Nano-hydroxyapatite-doped high-density motor carbon brush material and preparation method thereof |
| CN106654780A (en) * | 2015-11-04 | 2017-05-10 | 苏州东翔碳素有限公司 | Material used to prepare electric brush applied to dust collector motor |
| CN106654779A (en) * | 2015-11-04 | 2017-05-10 | 苏州东翔碳素有限公司 | Material for preparing brush for treadmill motors |
| CN106654796A (en) * | 2015-11-04 | 2017-05-10 | 苏州东翔碳素有限公司 | Treadmill motor electric brush preparation method |
| CN106654781A (en) * | 2015-11-04 | 2017-05-10 | 苏州东翔碳素有限公司 | Electric brush used for dust collector motor |
| CN106654782A (en) * | 2015-11-04 | 2017-05-10 | 苏州东翔碳素有限公司 | Electric brush for treadmill motor |
| CN106654795A (en) * | 2015-11-04 | 2017-05-10 | 苏州东翔碳素有限公司 | Manufacturing method of brush used for dust collector motor |
| CN111490424A (en) * | 2020-06-04 | 2020-08-04 | 海门市恒昌碳业有限公司 | Wear-resistant carbon brush and production process thereof |
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Application publication date: 20111214 |