CN107528193B - A kind of carbon brush manufacturing device - Google Patents
A kind of carbon brush manufacturing device Download PDFInfo
- Publication number
- CN107528193B CN107528193B CN201710723626.9A CN201710723626A CN107528193B CN 107528193 B CN107528193 B CN 107528193B CN 201710723626 A CN201710723626 A CN 201710723626A CN 107528193 B CN107528193 B CN 107528193B
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- Prior art keywords
- rotating cylinder
- carbon brush
- punching press
- cylinder
- rack
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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
-
- 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
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Motor Or Generator Current Collectors (AREA)
Abstract
The present invention relates to carbon brush manufacturing technology fields, disclose a kind of carbon brush manufacturing device, including rack, motor, rotation axis and rotating cylinder, motor side is fixedly installed with air blower, rotating cylinder is located above motor and is installed in rack, rotating cylinder is connect with gantry rotation, rotating cylinder outer sheath is equipped with the sand cylinder connecting with drum rotation, mill ball is fixed on sand cylinder, sand cylinder is fixedly installed in rack, the side wall of rotating cylinder is equipped with the centrifugal hole being connected to sand cylinder, cylinder bottom is fixed with hollow shaft, the material path being installed in rack and punching press case are fixed with above rotating cylinder, material path is connected to rotating cylinder, it is equipped with vertically in the punching press case by the closed staking punch of punching press case, staking punch is connected with fixation and is satisfied with to provide the power mechanism of kinetic energy in rack and for staking punch, punching press case side wall is equipped with the plup inlet being connected to material path；Punching press bottom portion is equipped with Die and mould plate, and Die and mould plate is equipped with the carbon brush mould for carbon brush sizing.The present invention carries out repeatedly graphite powder and metal powder uniformly mixed.
Description
Technical field
The present invention relates to carbon brush manufacturing technology fields, and in particular to a kind of carbon brush manufacturing device.
Background technique
Carbon brush is also referred to as brush, is a kind of slide contact member being widely used in electrical equipment.The master of carbon brush is made
Wanting material includes graphite, leaching rouge graphite, metal (cupric, silver) graphite.According to the characteristic that graphitic conductive is good and heat conductivity is good,
Carbon brush is made by three of the above material, usually apply to motor or generator and other rotating mechanisms fixed part or
Energy or signal are transmitted between person's rotating part.Therefore, the demand of carbon brush is very big, needs largely to produce.
There are two types of the manufactures of carbon brush, one is by mixing graphite powder according to a certain percentage with metal powder, so
Carbon brush is solidified by the way that freezing plastic is added afterwards, since this kind of mode is solidified by freezing plastic, freezing plastic is easy under the high temperature conditions
Thawing causes carbon brush working effect bad.Another way is to be pressed into carbon according to a certain percentage by graphite powder and metal powder
Brush will appear metal powder and mix the working effect for unevenly causing conduction or transmitting signal with graphite powder during compacting
It is bad.Traditional two kinds of manufactures are all that the graphite powder for being 99% by purity prepares carbon brush, still, in the process of preparation
In bulky grain present in graphite powder is not removed, there are bulky grains will cause whole uneven of carbon brush in carbon brush,
To influence the working effect of carbon brush.In carbon brush preparation process, there is also metal powders, and non-uniform situation is mixed with graphite powder, gold
The mixing for belonging to powder and powdered graphite is uneven, influences the uniformity of carbon brush and influences the electric conductivity of carbon brush and transmit signal
Ability.
Summary of the invention
The purpose of the present invention is to provide one kind to mix non-uniform carbon brush manufacturing device to solve carbon brush raw material.
In order to achieve the above objectives, the technical scheme is that a kind of carbon brush manufacturing device, including rack, motor, shaft
And rotating cylinder, the motor side are fixedly installed with air blower, the rotating cylinder is located above motor and is installed in rack, rotating cylinder with
Gantry rotation connection, rotating cylinder outer sheath are equipped with the sand cylinder connecting with drum rotation, and sand cylinder is fixed with positioned at sand cylinder and turns
Mill ball between cylinder, sand cylinder are fixedly installed in rack, and the side wall of rotating cylinder is equipped with the centrifugal hole being connected to sand cylinder, rotating cylinder
Bottom is fixed with hollow shaft, shaft is connected to rotating cylinder, and shaft is connected to motor, and air blower is equipped with and is connected to shaft
Tracheae, rotating cylinder top are fixed with the material path being installed in rack and punching press case, and the material path is connected to rotating cylinder, the punching press case
Interior vertical equipped with by the closed staking punch of punching press case, staking punch is connected with fixation and is satisfied with to provide kinetic energy in rack and for staking punch
Power mechanism, punching press case side wall are equipped with the plup inlet being connected to material path；Punching press bottom portion is equipped with Die and mould plate, and Die and mould plate is equipped with
Carbon brush mould for carbon brush sizing.
Technical principle of the invention: graphite powder and a certain proportion of metal powder are placed in rotating cylinder, start motor and drum
Blower works, and motor drives shaft to be rotated, and shaft drives rotating cylinder to be rotated, and graphite powder and metal powder are in rotating cylinder
Be subject to centrifugal forces and uniformly mixed, in graphite powder and metal powder biggish particle by centrifugal force act on, particle from
It is detached from rotating cylinder and is entered in sand cylinder by centrifugal hole.Under the action of rotating cylinder and sand cylinder, bulky grain by rotating cylinder and
The extruding of mill ball between sand cylinder is ground, and ground graphite powder and metal powder are collected in sand cylinder.Air blower
Work simultaneously blast a large amount of gas to rotating cylinder, the gas blasted using air blower again by rotating cylinder graphite powder and metal powder it is equal
Even mixing.Under the action of air blower, the mixed powder of a large amount of graphite powder and metal powder is blown in material path, and mixed powder is in material path
It is interior to be blown at punching press case by air blower, entered in punching press case by the plup inlet of punching press case.Punching press case collects mixed powder and reaches one
Fixed amount starts power mechanism as staking punch punching press straight down and provides kinetic energy, staking punch in punching press case to stone mixed powder into
Row compacting.Staking punch moves downward, the extruding in punching press case by staking punch, the gas in punching press case be discharged from plup inlet and
Only remaining mixture.Staking punch squeezes the mixed powder in punching press case to Die and mould plate, and mixed powder is on Die and mould plate, because by punching press
The punching press of head can form carbon brush in carbon brush mould, complete carbon brush and manufacture work.
Beneficial effects of the present invention: (1) blasting the gas in rotating cylinder using air blower can be hit in rotating cylinder inner sidewall,
To form turbulent flow, turbulent flow mixes the graphite powder for manufacturing carbon brush and metal powder uniformly, to improve the quality of carbon brush.
(2) under the influence of centrifugal force, graphite powder and metal powder bulky grain are screened into grinding case for graphite powder and metal powder
Inside ground.The bulky grain in graphite powder and metal powder is reduced, so that carbon brush surface is more smooth, improves carbon brush to reach
Quality.
(3) rotating cylinder rotation can using centrifugal force to graphite powder and metal powder progress the first uniform stirring mixing, air blower to
Rotating cylinder blasts gas and forms turbulent flow, carries out second of uniformly mixing to graphite powder and metal powder.Repeatedly mixing is manufactured to guarantee
Carbon brush graphite and metal are uniform, guarantee the quality of carbon brush.
On the above base case:
Preferred embodiment one: opposite arc bump keeps shaft middle part formation one negative there are two setting in the middle part of in the shaft
Mouth is pressed, the sand cylinder is equipped with the conduit being connected to negative pressure mouth.When air blower dries to rotating cylinder and passes through shaft, the wind of flowing exists
Negative pressure is formed at negative pressure mouth, it, will be in sand cylinder by the graphite powder of rotating cylinder and sand cylinder grinding by conduit under the action of negative pressure
It is drawn onto shaft with metal powder, the wind blown by air blower takes in rotating cylinder.
Preferred embodiment two: the nitrogen box being fixed on the air blower and rack is connected to and air blower to rotating cylinder is passed through nitrogen
Gas.Because graphite powder and metal powder can be dispelled by air blower in rotating cylinder, it is full of in entire rotating cylinder and mutual frictional heat generation,
It is easy to cause powder explosion.A large amount of nitrogen is passed through to the storage space that air is reduced in rotating cylinder, oxygen contains in reduction air
Amount, to avoid powder explosion.
Preferred embodiment three: being equipped with exhaust fan on the staking punch, exhaust fan is equipped with the exhaust column being connected to punching press case.It is logical
It crosses exhaust fan to take the air in punching press case away, punching press box-shaped can be made at negative pressure, to accelerate to graphite powder and metal powder
Sucking, improve working efficiency.
Preferred embodiment four: the carbon brush mould at least two.It, can when staking punch carries out punching press to graphite powder and metal powder
Carbon brush is formed in multiple carbon brush moulds to improve working efficiency.
Detailed description of the invention
The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments:
Fig. 1 is carbon brush manufacturing device overall structure diagram；
Fig. 2 carbon brush formwork structure schematic diagram.
Specific embodiment
Appended drawing reference are as follows: rotating cylinder 1, sand cylinder 2, centrifugal hole 3, rack 4, conduit 5, air blower 6, motor 7, material path 8, shaft
9, negative pressure mouth 10, punching press case 11, staking punch 12, power mechanism 13, plup inlet 14, Die and mould plate 15, carbon brush mould 16.
Embodiment 1:
As depicted in figs. 1 and 2, a kind of carbon brush manufacturing device, including rack 4, motor 7, shaft 9 and rotating cylinder 1, motor 7
Side is fixedly installed with air blower 6, and the nitrogen box being fixed on air blower 6 and rack is connected to, and air blower 6 is into rotating cylinder 1
It is passed through nitrogen, rotating cylinder 1 is located at 7 top of motor and is installed in rack 4, and rotating cylinder 1 and rack 4 are rotatablely connected, 1 outer sheath of rotating cylinder
Equipped with the sand cylinder 2 being rotatablely connected with rotating cylinder 1, the mill ball being fixed between rotating cylinder 1 and sand cylinder 2 on sand cylinder 2 is ground
Mill tube 2 is fixedly installed in rack 4, and the side wall of rotating cylinder 1 is equipped with the centrifugal hole 3 being connected to sand cylinder 2, and the fixation of 1 bottom of rotating cylinder is set
There is hollow shaft 9, shaft 9 is connected to rotating cylinder 1, and shaft 9 is fixedly connected with motor 7, and air blower 6 is equipped with and is connected to rotating cylinder 1
Tracheae, be fixed with the material path 8 being installed in rack 4 and punching press case 11 above rotating cylinder 1, material path 8 is connected to rotating cylinder 1, punching press
In case 11 vertically be equipped with by the staking punch 12 of 11 closed upper part of punching press case, staking punch 12 be connected be fixedly installed in rack 4 and
The power mechanism 13 of kinetic energy is provided for staking punch 12, power mechanism 13 is motor, and 11 side wall of punching press case is equipped with to be connected with material path 8
Logical plup inlet 14, bottom is equipped with Die and mould plate 15 in punching press case 11, and Die and mould plate 15 is equipped with the carbon brush mould 16 for carbon brush sizing.
Middle part is set there are two opposite arc bump in rotating cylinder 1, makes to form a negative pressure mouth 10 in the middle part of shaft 9, the negative pressure mouth 10 is suitable
In the throat of Venturi tube, 2 bottom of sand cylinder is equipped with the conduit 5 being connected to negative pressure mouth 10.To avoid that powder explosion, air blast occurs
The gas that machine 6 is passed through rotating cylinder 1 is nitrogen.It is fixedly installed with exhaust fan in staking punch 12, exhaust fan is equipped with and is connected to punching press case 11
Exhaust column, the carbon brush mould 16 being arranged on Die and mould plate 15 is 30.
It is respectively put into rotating cylinder 1 according to the ratio component of graphite powder and metal powder.Then start motor 7 and air blower 6, electricity
Machine 7 drives shaft 9 to be rotated, and shaft 9 drives rotating cylinder 1 to be rotated, and graphite powder and metal powder carry out for the first time in rotating cylinder 1
Mixing, and biggish graphite particle and metallic particles can be detached from out of rotating cylinder 1 under the influence of centrifugal force and pass through centrifugal hole 3
It enters in sand cylinder 2, enters quilt under the abrasive action of mill ball of the particle of sand cylinder 2 between rotating cylinder 1 and sand cylinder 2
Grind into powder and collect in sand cylinder 2.When air blower 6 works, air blower 6 is blasted largely by shaft 9 to rotating cylinder 1
Nitrogen, when negative pressure mouth 10 of the nitrogen Jing Guo shaft 9, negative pressure mouth 10 forms negative pressure, and under the action of negative pressure, negative pressure mouth 10 is by leading
The graphite powder ground in sand cylinder 2 and metal powder are drawn onto shaft 9 by pipe 5, are brought into rotating cylinder 1 by nitrogen.Into in rotating cylinder 1
Nitrogen form turbulent flow graphite powder blown afloat with metal powder and carries out second in rotating cylinder 1 and mix, under the action of the centrifugal force with
Graphite powder and metal powder are uniformly mixed into mixed powder under the action of turbulent flow.Air blower 6 is passed through nitrogen to rotating cylinder 1 and brings mixed powder into
Into material path 8, then entered in punching press case 11 by material path 8 and plup inlet 14, mixed powder enters punching press case 11, by artificial
Judgement reaches a certain amount, restarts power mechanism 13 and pushes down on staking punch 12, effect of the staking punch 12 in power mechanism 13
Under, to the 11 bottom punching press of punching press case, in 12 punching press of staking punch, the gas in punching press case 11 is discharged by plup inlet 14, shape
At air-flow the mixed powder near feeding inlet is blown open, do not add mixed powder in punching press case 11.Staking punch 12 is to punching press case 11
Bottom squeeze, mixed powder concentrates on 11 bottom of punching press case and the punching press by staking punch 12 enters in carbon brush mould 16, mixing
Powder disposably forms 30 carbon brush in 30 carbon brush moulds 16.
In order to further increase the working efficiency of punching press, start the exhaust fan installed on staking punch 12, exhaust fan is by punching press
Gas in case 11 is extracted out by tracheae, and punching press case 11 forms negative pressure.Under the action of negative pressure, punching press case 11 passes through plup inlet 14
Mixed powder is sucked, to accelerate the speed that mixed powder enters punching press case 11, to improve working efficiency.
What has been described above is only a preferred embodiment of the present invention, it is noted that for those skilled in the art,
Without departing from the inventive concept of the premise, several modifications and improvements can also be made, these also should be considered as guarantor of the invention
Range is protected, these all will not influence the effect and patent practicability that the present invention is implemented.The present invention omits the technology of description, shape
Shape, construction portion are well-known technique.
Claims (4)
1. a kind of carbon brush manufacturing device, including rack, motor, shaft and rotating cylinder, the rotating cylinder is located above motor and is installed on
In rack, rotating cylinder is connect with gantry rotation, and rotating cylinder outer sheath is equipped with the sand cylinder connecting with drum rotation, and sand cylinder is fixed with position
Mill ball between sand cylinder and rotating cylinder, sand cylinder are fixedly installed in rack, which is characterized in that the motor side is fixed
Air blower is installed, the side wall of rotating cylinder is equipped with the centrifugal hole being connected to sand cylinder, and cylinder bottom is fixed with hollow shaft, turns
Axis is connected to rotating cylinder, and shaft is connected to motor, and air blower is equipped with the tracheae being connected to shaft, is fixed with installation above rotating cylinder
In material path and punching press case in rack, the material path is connected to rotating cylinder, is equipped with vertically in the punching press case punching press case is closed
Staking punch, staking punch are connected with fixation and are satisfied in rack and provide the power mechanism of kinetic energy for staking punch, set on punching press case side wall
There is the plup inlet being connected to material path；Punching press bottom portion is equipped with Die and mould plate, and Die and mould plate is equipped with the carbon brush mould for carbon brush sizing, institute
Stating middle part in shaft and setting makes to form a negative pressure mouth in the middle part of shaft there are two opposite arc bump, and the sand cylinder bottom is equipped with
The conduit being connected to negative pressure mouth.
2. carbon brush manufacturing device according to claim 1, which is characterized in that the nitrogen being fixed on the air blower and rack
Gas tank connection and air blower to rotating cylinder is passed through nitrogen.
3. carbon brush manufacturing device according to claim 1, which is characterized in that be equipped with exhaust fan on the staking punch, take out
Blower is equipped with the exhaust column being connected to punching press case.
4. carbon brush manufacturing device according to claim 1, which is characterized in that the carbon brush mould at least two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710723626.9A CN107528193B (en) | 2017-08-22 | 2017-08-22 | A kind of carbon brush manufacturing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710723626.9A CN107528193B (en) | 2017-08-22 | 2017-08-22 | A kind of carbon brush manufacturing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107528193A CN107528193A (en) | 2017-12-29 |
| CN107528193B true CN107528193B (en) | 2019-08-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710723626.9A Active CN107528193B (en) | 2017-08-22 | 2017-08-22 | A kind of carbon brush manufacturing device |
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| Country | Link |
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| CN (1) | CN107528193B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108418077B (en) * | 2018-04-26 | 2023-10-13 | 大同新成新材料股份有限公司 | Graphene electric brush preparation device and manufacturing method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205146691U (en) * | 2015-11-13 | 2016-04-13 | 华中农业大学 | Granule material grading plant |
| CN106391211A (en) * | 2016-09-20 | 2017-02-15 | 派勒（天津）纳米技术有限公司 | Intelligent dry type ball milling system |
-
2017
- 2017-08-22 CN CN201710723626.9A patent/CN107528193B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205146691U (en) * | 2015-11-13 | 2016-04-13 | 华中农业大学 | Granule material grading plant |
| CN106391211A (en) * | 2016-09-20 | 2017-02-15 | 派勒（天津）纳米技术有限公司 | Intelligent dry type ball milling system |
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| Publication number | Publication date |
|---|---|
| CN107528193A (en) | 2017-12-29 |
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