CN107666100A - A kind of brush used for electric engine of cleaner - Google Patents
A kind of brush used for electric engine of cleaner Download PDFInfo
- Publication number
- CN107666100A CN107666100A CN201610600150.5A CN201610600150A CN107666100A CN 107666100 A CN107666100 A CN 107666100A CN 201610600150 A CN201610600150 A CN 201610600150A CN 107666100 A CN107666100 A CN 107666100A
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- CN
- China
- Prior art keywords
- brush
- powder
- raw mixture
- cleaner
- electric engine
- 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.)
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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
- H01R39/22—Contacts for co-operation with commutator or slip-ring, e.g. contact brush characterised by the material thereof incorporating lubricating or polishing ingredient
-
- 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
- H01R2201/00—Connectors or connections adapted for particular applications
- H01R2201/10—Connectors or connections adapted for particular applications for dynamoelectric machines
Landscapes
- Motor Or Generator Current Collectors (AREA)
Abstract
The invention discloses a kind of brush used for electric engine of cleaner, it is prepared via a method which to form：Matrix powder is well mixed with binding agent, prepares brush raw mixture；The brush raw mixture is dried, break process, brush raw mixture powder is made；The brush raw mixture powder is added in compacting tool set, compression process is carried out to it, brush blank is made；Heat cure processing is carried out to the brush blank, brush first product is made；Finished product working process is carried out to the brush first product, obtains brush finished product；Wherein, described matrix powder includes graphite, carborundum, polytetrafluoroethylene (PTFE), carbon fiber powder, Graphene powder, additive and curing agent.Present invention brush resistance rate used for electric engine of cleaner is relatively low, anti-wear performance is good, grade of spark is low, product stability is good, high using the brushless motor vacuum, can meet the requirement of the efficient high life of heavy duty detergent motor of dust collector.
Description
Technical field
The present invention relates to a kind of brush used for electric engine of cleaner, more particularly to a kind of to be applied to heavy duty detergent used for electric engine of cleaner
Brush, belong to machine field.
Background technology
Brush is to form a kind of conductive component of electrical connection for being contacted in motor with commutator or slip ring, is motor
Important composition part.As the sliding contact body for importing and exporting electric current, its conductive, heat conduction and greasy property are good, and with one
Fixed mechanical strength and the instinct of suppression commutation property spark.It is widely used in various double current generators, synchronous motor, electricity
Bottle dc motor, crane motor collecting ring, various electric welding machine etc., almost all of direct current generator and commutating machine all make
Use brush.
With the development of science and technology, the species of motor and the working condition used are more and more diversified, thus need
Various types of brush meets the various requirement of motor, therefore the species of brush is more next also with the development of electric machine industry
It is more.
The classification method of brush has following four kinds at present：(1) it is divided into soft brush, middle hard by the soft or hard of material
Brush and hard brush；(2) steam turbine generator brush, steel mill electric machine brush, traction can be divided into using object by brush
Brush for electromachine, automobile and tractor brush, domestic electric appliance motor brush, electric brush for electric tool, electric motor of automobile brush,
Aircrafts electric machinery brush etc.；(3) it is divided into black electrical brush (being made of pure carbon graphite material) by the color of brush and color brush (is used
The metal materials such as copper and graphite are made)；(4) electrographite brush, electrographite brush, metal stone can be divided into by the material difference of brush
Black brush, simple metal brush etc..
Motor of dust collector is generally alternating current generator, because of the needs of its application environment, it is desirable to which brush used for electric engine of cleaner possesses
The advantages that suppressing good spark ability, long lifespan.As European Union newly saves issuing for instruction, household appliance technical field gradually tends to be efficient
Rate, low-power, in motor of dust collector field, heavy duty detergent motor of dust collector turns into a kind of trend.
The specific following points requirement of heavy duty detergent brush used for electric engine of cleaner：(1) service life is long and does not wear commutation
Device, commutator is not set phenomena such as cut, injustice, ablation, wire drawing occur；(2) there is good commutation ability, motor operation spark
It is small, and energy loss is small；(3) when brush is run, do not overheat, not damaged, not ablation；(4), can be in commutator in running
Surface forms one layer of uniform light coppery oxide-film quickly.
However, general domestic brush operational efficiency is relatively low at present, stability is poor, domestic carbon brush factory can not meet that heavy duty detergent is inhaled
The requirement of dirt device brush for electromachine.
The content of the invention
The invention aims to solve technical problem existing for prior art to provide a kind of brush used for electric engine of cleaner,
Present invention brush resistance rate used for electric engine of cleaner is relatively low, anti-wear performance is good, commutation ability is good, grade of spark is low, product stability
It is good, the requirement of heavy duty detergent motor of dust collector can be met.
The invention provides a kind of brush used for electric engine of cleaner, it is prepared via a method which to form：
By the way that matrix powder is well mixed with binding agent, brush raw mixture is prepared；
Drying and processing is carried out to the brush raw mixture, brush raw mixture siccative is made；
Break process is carried out to the brush raw mixture siccative, brush raw mixture powder is made；
The brush raw mixture powder is added in compacting tool set, compression process is carried out to it, brush base is made
Material；
Heat cure processing is carried out to the brush blank, brush first product is made；
Finished product working process is carried out to the brush first product, obtains brush finished product；
Wherein, described matrix powder includes graphite, carborundum, polytetrafluoroethylene (PTFE), carbon fiber powder, Graphene powder, additive
And curing agent.
Wherein, the weight of described matrix powder and binding agent is 5-8：1-2.
Wherein, the weight of the graphite, carborundum, polytetrafluoroethylene (PTFE), carbon fiber powder and Graphene powder is 80-
120：1-4：1-4：1-4：0.2-1.
Particularly, the weight of the graphite, carborundum, polytetrafluoroethylene (PTFE), carbon fiber powder and Graphene powder is preferred
For 90-110：2-3：2-3：2-3：0.5-1.
Especially, the weight of the graphite, carborundum, polytetrafluoroethylene (PTFE), carbon fiber and Graphene powder is further
Preferably 90-100：2.3：2.5：2.5：0.5-1.
Wherein, the graphite includes native graphite and Delanium.
Especially, the weight of the native graphite and the Delanium is 20-40：60-80.
Particularly, the weight of the native graphite and the Delanium is preferably 25-35：65-75.
Especially, the weight of the native graphite and the Delanium is more preferably 25-30：70-75.
Particularly, the weight of the native graphite, Delanium, carborundum, polytetrafluoroethylene (PTFE), carbon fiber powder and Graphene powder
It is 20-40 to measure part proportioning：60-80：1-4：1-4：1-4：0.2-1.
Especially, the weight of the native graphite, Delanium, carborundum, polytetrafluoroethylene (PTFE), carbon fiber powder and Graphene powder
It is preferably 25-35 to measure part proportioning：65-75：2-3：2-3：2-3：0.5-1.
Particularly, the weight of the native graphite, Delanium, carborundum, polytetrafluoroethylene (PTFE), carbon fiber powder and Graphene powder
It is more preferably 25-30 to measure part proportioning：70-75：2.5-3：2.5-3：2-2.5：0.2-0.5.
Especially, the weight of the native graphite, Delanium, carborundum, polytetrafluoroethylene (PTFE), carbon fiber powder and Graphene powder
Measure part proportioning more preferably 30：70：2.5：2.5：2.5：0.5.
Wherein, the granularity of the native graphite is 100-300 mesh, phosphorus content >=99%, moisture≤0.5%, ash≤
1%, volatile matter≤1%.
Especially, the granularity of the Delanium is 100-500 mesh, phosphorus content >=99.9%, fixes carbon content >=80%,
Moisture≤0.5%, ash≤0.5%.
Particularly, the carborundum is black gray expandable powder, and granularity is 200-300 mesh.Carborundum is hexagonal crystallographic texture thing
Matter, have the advantages that stable chemical performance, thermal coefficient of expansion are small, anti-wear performance is good.
Especially, the coefficient of friction of polytetrafluoroethylene (PTFE) (PTFE) is minimum, and arc resistance is higher, has excellent lubricity
Energy.
Particularly, the phosphorus content of the carbon fiber powder is 90-95%.It is through special skill by high-strength high-modules carbon fibre long filament
Art surface treatment, grinding, the micro- isometric cylindrical particulate screening, screen, being obtained after high temperature drying, carbon fiber is non-oxide
Superhigh temperature resistant, fatigue durability are good under environment, and between nonmetallic between metal, thermal coefficient of expansion is small and has for specific heat and electric conductivity
Anisotropy, carbon fiber powder remain numerous premium properties of carbon fiber, and shape is tiny, surface is pure, specific surface area is big,
It is easy to by resin wetted by scattered.
Especially, the graphene has the characteristics of lamella is thin, easily scattered, and it has stable electric conductivity and excellent power
Learn performance.
Wherein, described matrix powder also includes additive and curing agent.
Particularly, the native graphite, Delanium, carborundum, polytetrafluoroethylene (PTFE), carbon fiber powder, Graphene powder, addition
The weight of agent and curing agent is 20-40：60-80：1-4：1-4：1-4：0.2-1：1-4:1-3.
Especially, the native graphite, Delanium, carborundum, polytetrafluoroethylene (PTFE), carbon fiber powder, Graphene powder, addition
The weight of agent and curing agent is preferably 25-35：65-75：2-3：2-3：2-3：0.5-1：2-3:1.5-2.5.
Particularly, the native graphite, Delanium, carborundum, polytetrafluoroethylene (PTFE), carbon fiber powder, Graphene powder, addition
The weight of agent and curing agent is more preferably 25-30：70-75：2.5-3：2.5-3：2-2.5：0.2-0.5：2.5-
3：1.5-2.
Especially, the native graphite, Delanium, carborundum, polytetrafluoroethylene (PTFE), carbon fiber powder, Graphene powder, addition
The weight of agent and curing agent is more preferably 30：70：2.5：2.5：2.5：0.5：2.5:2.
Wherein, the additive is talcum powder.
Particularly, the additive is the one or more in molybdenum disulfide, tungsten disulfide, talcum powder.
Especially, the granularity of the molybdenum disulfide is 3000-4000 mesh, purity 98%, has excellent greasy property,
Coefficient of friction is relatively low, and commutation ability is good.
Particularly, the granularity of the tungsten disulfide is 3000-4000 mesh, purity 99%, has excellent greasy property,
Coefficient of friction is relatively low, and commutation ability is good.
Especially, the fineness of the talcum powder is 1200 mesh, and proportion is about 2.4 ± 0.2g/cm3, moisture≤0.5%.It is sliding
Stone flour is a kind of magnesium silicate minerals, and hardness is small and fusing point is high, and dispersiveness is strong, and satiny degree is big, coefficient of friction is small, chemical property is steady
It is fixed, belong to monoclinic system.
Especially, the curing agent is epoxy curing agent.
Particularly, the curing agent is preferably epoxy resin latent curing agent T-31 curing agent.
Particularly, the binding agent is the bisphenol A-type solid epoxy of intermediate molecular weight.
Wherein, the binding agent is dissolved in after binder solution is made in acetone and mixed again with collective's powder.
Especially, the weight of the binding agent and acetone is 1：(2~2.5).
Wherein, it is described to be well mixed matrix powder with binding agent, brush raw mixture is prepared, including：
Graphite, carborundum, polytetrafluoroethylene (PTFE), carbon fiber powder, Graphene powder, additive and curing agent are well mixed, made
Obtain matrix powder；
Binding agent is added in solvent acetone, mixed dissolution is uniform, and binder solution is made；
Described matrix powder is well mixed with the binder solution, uniformly spread out, thickness≤5cm, stands 2-4H, system
Obtain brush raw mixture.
Wherein, the brush raw mixture dried, crushed, sieved, mixed processing, the mixing of brush raw material is made
Thing powder.
Particularly, the temperature of the drying and processing is 45-55 DEG C.
Especially, the time of the drying and processing is 10 ± 2h.
Particularly, break process is carried out to the raw mixture after the drying, the raw material that granularity is 100-400 mesh is made
Mix powder.
Wherein, the brush raw mixture powder is added in compacting tool set using hydraulic press, it is suppressed
Processing, brush blank is made.
Particularly, during the compression process control brush blank bulk density.
Especially, the bulk density of the brush blank is 1.80-1.86g/cm3
Wherein, heat cure processing is carried out to the brush blank, brush first product is made.
Particularly, the temperature of the heat cure processing is 200-220 DEG C.
Especially, the time of the heat cure processing is 13-17h.
Particularly, brush blank is placed in baking oven, the temperature in the baking oven is promoted to 120 DEG C in 2H, then
The temperature of the baking oven is promoted to 180 DEG C in 6-8H, then the temperature in the baking oven is promoted to 200-220 in 2H
DEG C, 3-5h is then kept at a temperature of 200-220 DEG C.
Wherein, finished product working process is carried out to the brush first product, obtains brush finished product.
Particularly, the finished product working process includes cutting the brush first product, refining, revolving head, groove milling, brill
Hole, the mechanical processing steps such as line are filled out, produced.
Advantages of the present invention and advantageous effects are as follows：
1st, brush raw material of the present invention composition is reasonable, scientific formulation, the Service Life of Carbon Brush prepared using resin glue is long,
It is green, stability is high, the requirement of heavy duty detergent brush used for electric engine of cleaner can be met.
2nd, graphene is selected in brush raw material of the invention, and as one of raw material, the brush prepared using the raw material is led
Excellent electrical property, motor carry out showing higher vacuum during air performance test, and electric efficiency is higher.
3rd, polytetrafluoroethylene (PTFE) is added in brush raw material of the invention, it is suppressed that there is mechanical spark during brush use,
Grade of spark is low in brush running, and no-spark when unloaded, spark reduces at least one grade, extends making for brush
Use the life-span.
4th, present invention brush used for electric engine of cleaner uses suitable for high-low pressure (AC230V/120V) motor of dust collector.
Embodiment
Be expanded on further the present invention with reference to specific embodiment, advantages of the present invention and feature will be with description and
It is apparent.But these embodiments are only exemplary, do not form any restrictions to the scope of the present invention.People in the art
Member to the details and form of technical solution of the present invention it should be understood that can enter without departing from the spirit and scope of the invention
Row modifications or substitutions, but these modifications and replacement are each fallen within protection scope of the present invention.
Embodiment 1
1st, (part) is stocked up according to following weight：
Wherein, additive is one of molybdenum disulfide, tungsten disulfide, talcum powder or combination；Binding agent selects bisphenol type epoxy
Resin, its epoxide number are 0.25-0.45；The curing agent selects epoxy resin latent curing agent T-31 curing agent (Chang Zhoushan
Peak Chemical Co., Ltd.).
2nd, by native graphite, Delanium, carborundum, polytetrafluoroethylene (PTFE), carbon fiber powder, Graphene powder, additive and solid
Agent is placed in kneading pot, is opened the tumbler of kneading pot, is stopped after mixing 1.5h under room temperature condition, matrix powder is made；
Binding agent is dissolved in acetone, is uniformly mixed, makes its dissolving, binder solution is made；Binder solution is added to
Stirred in matrix powder, be well mixed, stirred 1.5h, take out material after well mixed, place, uniformly spread out at room temperature, it is thick
Degree≤5cm, 2-4h is stood, brush raw mixture is made.
3rd, brush raw mixture is placed in baking oven the progress drying and processing 8-12h at 45-55 DEG C first, further gone
Except acetone, the raw mixture without acetone is made；Then break process is carried out to the material after drying, broken material crosses 60 mesh
Sieve, is made brush raw mixture powder, the mesh of brush raw mixture powder size≤60.
4th, obtained brush raw mixture powder is placed in compacting tool set, compression process, system is carried out using hydraulic press
It is 1.80-1.86g/cm to obtain bulk density3Brush blank.
5th, brush blank is placed in baking oven, the temperature in the baking oven is promoted to 120 DEG C in 2h, then in 6-8h
The interior temperature by the baking oven is promoted to 180 DEG C, then the temperature in the baking oven is promoted into 200-220 DEG C in 2h, then
3-5h is kept at a temperature of 200-220 DEG C, the brush first product after heat cure processing is made after natural cooling cooling；
6th, to the brush first product after curing process is cut, grinding machine, drill, fill out the mechanical processing steps such as line, spot welding
After produce brush used for electric engine of cleaner.
7th, surveyed according to JB/T8133.14-1999 (electric carbon product physical and chemical performance test method bulk density) method
The bulk density of fixed brush used for electric engine of cleaner；According to JB/T8133.2-1999 (electric carbon product physical and chemical performance test methods
Resistivity) method determines the resistivity of brush used for electric engine of cleaner；Shore using HS-19CTV type hardness tester machine private wipers is hard
Degree；Using JB/T8133.7-1999 (electric carbon product physical and chemical performance test method rupture strength) method measure dust catcher electricity
The rupture strength of machine brush, the results are shown in Table 1；
Using the wear rate of brush used for electric engine of cleaner made from the load long duration test controller test of FNC-5 types, experiment
It the results are shown in Table 2；
With reference to national standard《Electric rotating machine quota and performance (GB/T 755-2000)》It is used for electric engine of cleaner made from test
The grade of spark of brush, test result are shown in Table 3；
With reference to national standard《Electric rotating machine (except traction electric machine) determines the test method (GB/ of loss and efficiency
T755.2-2003)》The efficiency and vacuum of brush used for electric engine of cleaner made from test, test result are shown in Table 4.
Embodiment 2
1st, (part) is stocked up according to following weight：
Wherein, additive is one of molybdenum disulfide, tungsten disulfide, talcum powder or combination；Binding agent selects bisphenol type epoxy
Resin, its epoxide number are 0.25-0.45；The curing agent selects epoxy resin latent curing agent T-31 curing agent (Chang Zhoushan
Peak Chemical Co., Ltd.).
2nd, by native graphite, Delanium, carborundum, polytetrafluoroethylene (PTFE), carbon fiber powder, Graphene powder, additive and solid
Agent is placed in kneading pot, is opened the tumbler of kneading pot, is stopped after mixing 1.5h under room temperature condition, matrix powder is made；
Binding agent is dissolved in acetone, is uniformly mixed, makes its dissolving, binder solution is made；Binder solution is added to
Stirred in matrix powder, be well mixed, stirred 1.5h, take out material after well mixed, place, uniformly spread out at room temperature, it is thick
Degree≤5cm, 2-4h is stood, brush raw mixture is made.
3rd, brush raw mixture is placed in baking oven the progress drying and processing 8-12h at 45-55 DEG C first, further gone
Except acetone, the raw mixture without acetone is made；Then break process is carried out to the material after drying, broken material crosses 60 mesh
Sieve, is made brush raw mixture powder, the mesh of brush raw mixture powder size≤60.
4th, obtained brush raw mixture powder is placed in compacting tool set, compression process, system is carried out using hydraulic press
It is 1.80-1.86g/cm to obtain bulk density3Brush blank.
5th, brush blank is placed in baking oven, the temperature in the baking oven is promoted to 120 DEG C in 2h, then in 6-8h
The interior temperature by the baking oven is promoted to 180 DEG C, then the temperature in the baking oven is promoted into 200-220 DEG C in 2h, then
3-5h is kept at a temperature of 200-220 DEG C, the brush first product after heat cure processing is made after natural cooling cooling；
6th, to the brush first product after curing process is cut, grinding machine, drill, fill out the mechanical processing steps such as line, spot welding
After produce brush used for electric engine of cleaner.
7th, surveyed according to JB/T8133.14-1999 (electric carbon product physical and chemical performance test method bulk density) method
The bulk density of fixed brush used for electric engine of cleaner；According to JB/T8133.2-1999 (electric carbon product physical and chemical performance test methods
Resistivity) method determines the resistivity of brush used for electric engine of cleaner；Shore using HS-19CTV type hardness tester machine private wipers is hard
Degree；Using JB/T8133.7-1999 (electric carbon product physical and chemical performance test method rupture strength) method measure dust catcher electricity
The rupture strength of machine brush, the results are shown in Table 1；
Using the wear rate of brush used for electric engine of cleaner made from the load long duration test controller test of FNC-5 types, experiment
It the results are shown in Table 2；
With reference to national standard《Electric rotating machine quota and performance (GB/T 755-2000)》It is used for electric engine of cleaner made from test
The grade of spark of brush, test result are shown in Table 3；
With reference to national standard《Electric rotating machine (except traction electric machine) determines the test method (GB/ of loss and efficiency
T755.2-2003)》The efficiency and vacuum of brush used for electric engine of cleaner made from test, test result are shown in Table 4.
Embodiment 3
1st, (part) is stocked up according to following weight：
Wherein, additive is one of molybdenum disulfide, tungsten disulfide, talcum powder or combination；Binding agent selects bisphenol type epoxy
Resin, its epoxide number are 0.25-0.45；The curing agent selects epoxy resin latent curing agent T-31 curing agent (Chang Zhoushan
Peak Chemical Co., Ltd.).
2nd, by native graphite, Delanium, carborundum, polytetrafluoroethylene (PTFE), carbon fiber powder, Graphene powder, additive and solid
Agent is placed in kneading pot, is opened the tumbler of kneading pot, is stopped after mixing 1.5h under room temperature condition, matrix powder is made；
Binding agent is dissolved in acetone, is uniformly mixed, makes its dissolving, binder solution is made；Binder solution is added to
Stirred in matrix powder, be well mixed, stirred 1.5h, take out material after well mixed, place, uniformly spread out at room temperature, it is thick
Degree≤5cm, 2-4h is stood, brush raw mixture is made.
3rd, brush raw mixture is placed in baking oven the progress drying and processing 8-12h at 45-55 DEG C first, further gone
Except acetone, the raw mixture without acetone is made；Then break process is carried out to the material after drying, broken material crosses 60 mesh
Sieve, is made brush raw mixture powder, the mesh of brush raw mixture powder size≤60.
4th, obtained brush raw mixture powder is placed in compacting tool set, compression process, system is carried out using hydraulic press
It is 1.80-1.86g/cm to obtain bulk density3Brush blank.
5th, brush blank is placed in baking oven, the temperature in the baking oven is promoted to 120 DEG C in 2h, then in 6-8h
The interior temperature by the baking oven is promoted to 180 DEG C, then the temperature in the baking oven is promoted into 200-220 DEG C in 2h, then
3-5h is kept at a temperature of 200-220 DEG C, the brush first product after heat cure processing is made after natural cooling cooling；
6th, to the brush first product after curing process is cut, grinding machine, drill, fill out the mechanical processing steps such as line, spot welding
After produce brush used for electric engine of cleaner.
7th, surveyed according to JB/T8133.14-1999 (electric carbon product physical and chemical performance test method bulk density) method
The bulk density of fixed brush used for electric engine of cleaner；According to JB/T8133.2-1999 (electric carbon product physical and chemical performance test methods
Resistivity) method determines the resistivity of brush used for electric engine of cleaner；Shore using HS-19CTV type hardness tester machine private wipers is hard
Degree；Using JB/T8133.7-1999 (electric carbon product physical and chemical performance test method rupture strength) method measure dust catcher electricity
The rupture strength of machine brush, the results are shown in Table 1；
Using the wear rate of brush used for electric engine of cleaner made from the load long duration test controller test of FNC-5 types, experiment
It the results are shown in Table 2；
With reference to national standard《Electric rotating machine quota and performance (GB/T 755-2000)》It is used for electric engine of cleaner made from test
The grade of spark of brush, test result are shown in Table 3；
With reference to national standard《Electric rotating machine (except traction electric machine) determines the test method (GB/ of loss and efficiency
T755.2-2003)》The efficiency and vacuum of brush used for electric engine of cleaner made from test, test result are shown in Table 4.
Embodiment 4
Wherein, additive is one of molybdenum disulfide, tungsten disulfide, talcum powder or combination；Binding agent selects bisphenol type epoxy
Resin, its epoxide number are 0.25-0.45；The curing agent selects epoxy resin latent curing agent T-31 curing agent (Chang Zhoushan
Peak Chemical Co., Ltd.).
2nd, by native graphite, Delanium, carborundum, polytetrafluoroethylene (PTFE), carbon fiber powder, Graphene powder, additive and solid
Agent is placed in kneading pot, is opened the tumbler of kneading pot, is stopped after mixing 1.5h under room temperature condition, matrix powder is made；
Binding agent is dissolved in acetone, is uniformly mixed, makes its dissolving, binder solution is made；Binder solution is added to
Stirred in matrix powder, be well mixed, stirred 1.5h, take out material after well mixed, place, uniformly spread out at room temperature, it is thick
Degree≤5cm, 2-4h is stood, brush raw mixture is made.
3rd, brush raw mixture is placed in baking oven the progress drying and processing 8-12h at 45-55 DEG C first, further gone
Except acetone, the raw mixture without acetone is made；Then break process is carried out to the material after drying, broken material crosses 60 mesh
Sieve, is made brush raw mixture powder, the mesh of brush raw mixture powder size≤60.
4th, obtained brush raw mixture powder is placed in compacting tool set, compression process, system is carried out using hydraulic press
It is 1.80-1.86g/cm to obtain bulk density3Brush blank.
5th, brush blank is placed in baking oven, the temperature in the baking oven is promoted to 120 DEG C in 2h, then in 6-8h
The interior temperature by the baking oven is promoted to 180 DEG C, then the temperature in the baking oven is promoted into 200-220 DEG C in 2h, then
3-5h is kept at a temperature of 200-220 DEG C, the brush first product after heat cure processing is made after natural cooling cooling；
6th, to the brush first product after curing process is cut, grinding machine, drill, fill out the mechanical processing steps such as line, spot welding
After produce brush used for electric engine of cleaner.
7th, surveyed according to JB/T8133.14-1999 (electric carbon product physical and chemical performance test method bulk density) method
The bulk density of fixed brush used for electric engine of cleaner；According to JB/T8133.2-1999 (electric carbon product physical and chemical performance test methods
Resistivity) method determines the resistivity of brush used for electric engine of cleaner；Shore using HS-19CTV type hardness tester machine private wipers is hard
Degree；Using JB/T8133.7-1999 (electric carbon product physical and chemical performance test method rupture strength) method measure dust catcher electricity
The rupture strength of machine brush, the results are shown in Table 1；
Using the wear rate of brush used for electric engine of cleaner made from the load long duration test controller test of FNC-5 types, experiment
It the results are shown in Table 2；
With reference to national standard《Electric rotating machine quota and performance (GB/T 755-2000)》It is used for electric engine of cleaner made from test
The grade of spark of brush, test result are shown in Table 3；
With reference to national standard《Electric rotating machine (except traction electric machine) determines the test method (GB/ of loss and efficiency
T755.2-2003)》The efficiency and vacuum of brush used for electric engine of cleaner made from test, test result are shown in Table 4.
Embodiment 5
1st, (part) is stocked up according to following weight：
Wherein, additive is one of molybdenum disulfide, tungsten disulfide, talcum powder or combination；Binding agent selects bisphenol type epoxy
Resin, its epoxide number are 0.25-0.45；The curing agent selects epoxy resin latent curing agent T-31 curing agent (Chang Zhoushan
Peak Chemical Co., Ltd.).
2nd, by native graphite, Delanium, carborundum, polytetrafluoroethylene (PTFE), carbon fiber powder, Graphene powder, additive and solid
Agent is placed in kneading pot, is opened the tumbler of kneading pot, is stopped after mixing 1.5h under room temperature condition, matrix powder is made；
Binding agent is dissolved in acetone, is uniformly mixed, makes its dissolving, binder solution is made；Binder solution is added to
Stirred in matrix powder, be well mixed, stirred 1.5h, take out material after well mixed, place, uniformly spread out at room temperature, it is thick
Degree≤5cm, 2-4h is stood, brush raw mixture is made.
3rd, brush raw mixture is placed in baking oven the progress drying and processing 8-12h at 45-55 DEG C first, further gone
Except acetone, the raw mixture without acetone is made；Then break process is carried out to the material after drying, broken material crosses 60 mesh
Sieve, is made brush raw mixture powder, the mesh of brush raw mixture powder size≤60.
4th, obtained brush raw mixture powder is placed in compacting tool set, compression process, system is carried out using hydraulic press
It is 1.80-1.86g/cm to obtain bulk density3Brush blank.
5th, brush blank is placed in baking oven, the temperature in the baking oven is promoted to 120 DEG C in 2h, then in 6-8h
The interior temperature by the baking oven is promoted to 180 DEG C, then the temperature in the baking oven is promoted into 200-220 DEG C in 2h, then
3-5h is kept at a temperature of 200-220 DEG C, the brush first product after heat cure processing is made after natural cooling cooling；
6th, to the brush first product after curing process is cut, grinding machine, drill, fill out the mechanical processing steps such as line, spot welding
After produce brush used for electric engine of cleaner.
7th, surveyed according to JB/T8133.14-1999 (electric carbon product physical and chemical performance test method bulk density) method
The bulk density of fixed brush used for electric engine of cleaner；According to JB/T8133.2-1999 (electric carbon product physical and chemical performance test methods
Resistivity) method determines the resistivity of brush used for electric engine of cleaner；Shore using HS-19CTV type hardness tester machine private wipers is hard
Degree；Using JB/T8133.7-1999 (electric carbon product physical and chemical performance test method rupture strength) method measure dust catcher electricity
The rupture strength of machine brush, the results are shown in Table 1；
Using the wear rate of brush used for electric engine of cleaner made from the load long duration test controller test of FNC-5 types, experiment
It the results are shown in Table 2；
With reference to national standard《Electric rotating machine quota and performance (GB/T 755-2000)》It is used for electric engine of cleaner made from test
The grade of spark of brush, test result are shown in Table 3；
With reference to national standard《Electric rotating machine (except traction electric machine) determines the test method (GB/ of loss and efficiency
T755.2-2003)》The efficiency and vacuum of brush used for electric engine of cleaner made from test, test result are shown in Table 4.
Reference examples
Reference examples are used as by the use of brush with commercially available motor of dust collector (P22D02, AC230V/1200W).
Determined according to JB/T8133.14-1999 (electric carbon product physical and chemical performance test method bulk density) method
The bulk density of reference examples brush used for electric engine of cleaner；According to JB/T8133.2-1999, (electric carbon product physical and chemical performance is tested
Method resistivity) method measure reference examples brush used for electric engine of cleaner resistivity；Using the test pair of HS-19CTV type hardness testers machine
The Shore hardness of brush as usual, the results are shown in Table 1；
Using the wear rate of FNC-5 types load long duration test controller test reference examples brush used for electric engine of cleaner, experiment
It the results are shown in Table 2；
With reference to national standard《Electric rotating machine quota and performance (GB/T 755-2000)》It is used for electric engine of cleaner to test reference examples
High pressure resistant, the grade of spark of brush, test result are shown in Table 3；
With reference to national standard《Electric rotating machine (except traction electric machine) determines the test method (GB/ of loss and efficiency
T755.2-2003)》The efficiency of reference examples brush used for electric engine of cleaner is tested, test result is shown in Table 4.
The physical and mechanical properties test result of the brush of table 1
| Performance | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Embodiment 5 | Reference examples |
| Bulk density (g/cm3) | 1.58 | 1.56 | 1.59 | 1.60 | 1.58 | 1.62 |
| Shore hardness (HSD) | 24 | 22 | 24 | 24 | 23 | 23 |
| Resistivity (μ Ω m) | 420 | 460 | 450 | 400 | 450 | 450 |
| Rupture strength (MPa) | 22 | 23 | 22 | 24 | 22 | 22 |
The test result of table 1 shows：The bulk density of brush used for electric engine of cleaner prepared by the present invention is 1.56-1.60g/
cm3；The resistivity 400-460 μ Ω m of brush used for electric engine of cleaner, resistivity is relatively low, suitable for high-low pressure (AC230V/
120V) motor of dust collector uses.
The wear rate result of the test of the brush of table 2
| Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Embodiment 5 | Reference examples | |
| Wear rate (mm/100H) | 3.12 | 3.15 | 3.25 | 3.02 | 3.20 | 3.26 |
As seen from the results in Table 2：The wear rate of the brush for electromachine of the present invention is low, and anti-wear performance is excellent, with import dust catcher electricity
Machine is compared with brush, and abrasion resistance properties are suitable, or even wear resistance can exceed that the wearability of import brush used for electric engine of cleaner
Energy.
The grade of spark result of the test of the brush of table 3
From the test result of table 3：The grade of spark of the brush used for electric engine of cleaner of the present invention is low, is 11/4, and general
The brush used for electric engine of cleaner for leading to commercially available import is compared, and grade of spark reduces 1 grade, and suppression spark ability is good, improves
Safety in utilization.
The efficiency test result of the brush of table 4
| Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Embodiment 5 | Reference examples | |
| Maximum vacuum | 27.17 | 26.97 | 27.65 | 27.06 | 27.21 | 26.50 |
| Maximal efficiency | 46.83% | 46.66% | 47.01% | 46.81% | 47.60% | 46.48% |
From the test result of table 4：The efficiency of the brush used for electric engine of cleaner of the present invention is compared with the reference examples import carbon brush
Height, it is a kind of energy-efficient dust collector brush for electromachine.
Claims (10)
1. a kind of brush used for electric engine of cleaner, is prepared via a method which to form：
By the way that matrix powder is well mixed with binding agent, brush raw mixture is prepared；
Drying and processing is carried out to the brush raw mixture, brush raw mixture siccative is made；
The brush raw mixture siccative is crushed, sieved, mixed processing, brush raw mixture powder is made；
The brush raw mixture powder is added in compacting tool set, compression process is carried out to it, brush blank is made；
Heat cure processing is carried out to the brush blank, brush first product is made；
Finished product working process is carried out to the brush first product, obtains brush finished product；
It is characterized in that：Described matrix powder includes graphite, carborundum, polytetrafluoroethylene (PTFE), carbon fiber powder and Graphene powder.
2. brush according to claim 1, it is characterised in that the weight of described matrix powder and binding agent is 5-
8：1-2.
3. brush according to claim 1, it is characterised in that the graphite, carborundum, polytetrafluoroethylene (PTFE), carbon fiber powder
Weight with Graphene powder is 80-120：1-4：1-4：1-4：0.2-1.
4. brush according to claim 3, it is characterised in that the graphite includes native graphite and Delanium, described
The weight of native graphite and the Delanium is 20-40：60-80.
5. brush according to claim 4, it is characterised in that the native graphite, Delanium, carborundum, polytetrafluoro
The weight of ethene, carbon fiber powder and Graphene powder is 20-40：60-80：1-4：1-4：1-4：0.2-1.
6. brush according to claim 2, it is characterised in that described matrix powder also includes additive and curing agent.
7. brush according to claim 6, it is characterised in that the native graphite, Delanium, carborundum, polytetrafluoro
Ethene, carbon fiber powder, Graphene powder, the weight of additive and curing agent are 20-40：60-80：1-4：1-4：1-4：
0.2-1：1-4:1-3.
8. brush according to claim 7, it is characterised in that the additive is talcum powder.
9. brush according to claim 1, it is characterised in that the temperature of the drying and processing is 45-55 DEG C.
10. brush according to claim 1, it is characterised in that the temperature of the heat cure processing is 220-220 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610600150.5A CN107666100A (en) | 2016-07-27 | 2016-07-27 | A kind of brush used for electric engine of cleaner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610600150.5A CN107666100A (en) | 2016-07-27 | 2016-07-27 | A kind of brush used for electric engine of cleaner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107666100A true CN107666100A (en) | 2018-02-06 |
Family
ID=61114981
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610600150.5A Pending CN107666100A (en) | 2016-07-27 | 2016-07-27 | A kind of brush used for electric engine of cleaner |
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| Country | Link |
|---|---|
| CN (1) | CN107666100A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| RU202433U1 (en) * | 2020-10-19 | 2021-02-17 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Вятский государственный университет" | Non-conductive grinding brush for slip rings and collectors of electrical machines |
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Application publication date: 20180206 |