CN106839765B - Carbon brush for electric machine sintering furnace - Google Patents
Carbon brush for electric machine sintering furnace Download PDFInfo
- Publication number
- CN106839765B CN106839765B CN201611254409.1A CN201611254409A CN106839765B CN 106839765 B CN106839765 B CN 106839765B CN 201611254409 A CN201611254409 A CN 201611254409A CN 106839765 B CN106839765 B CN 106839765B
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- CN
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- Prior art keywords
- sintering
- furnace body
- pot
- sintering pot
- carbon brush
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B14/00—Crucible or pot furnaces
- F27B14/06—Crucible or pot furnaces heated electrically, e.g. induction crucible furnaces with or without any other source of heat
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B14/00—Crucible or pot furnaces
- F27B14/08—Details peculiar to crucible or pot furnaces
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
- F27D17/008—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases cleaning gases
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Furnace Details (AREA)
Abstract
The invention discloses a kind of carbon brush for electric machine sintering furnaces, including pedestal and furnace body, furnace body is fixed on the base, cavity is provided in furnace body, the both sides of cavity are equipped with the vertical sintering pot equidistantly arranged, capping is equipped at the top of sintering pot, the electric heating tube for being heated to sintering pot is equipped between two row sintering pots, snorkel is equipped in electric heating tube, snorkel is connected to the top of each sintering pot, the bottom of sintering pot is provided with venthole, exhaust duct is provided on furnace body wall, venthole is communicated with exhaust duct, exhaust duct is communicated with filter, filter is communicated with air accumulator, filled with inert gas in air accumulator, air accumulator is communicated with air pump, air pump is connected to snorkel；The present invention can be such that inert gas and heat is recycled, also can avoid the direct emission of pollutant, it is ensured that sintering temperature in sintering pot improves sintering quality, energy conservation and environmental protection by the way that snorkel, filter, air accumulator and air pump etc. is arranged.
Description
Technical field
The invention belongs to be sintered processing equipment field, and in particular to a kind of equipment for carbon brush for electric machine sintering.
Background technology
Currently, carbon brush for electric machine is after making molding, it usually needs it is sintered, it is strong the purpose is to improve the machinery of product
Degree reduces resistance and fixes its geometry, and the constitutive material of existing carbon brush causes it to will produce in high-temperature sintering process greatly
Dense smoke is measured, such as:Resin and asphalt high-temperature processing volatile matter, sulfide, carbide etc. generate many particle cloud of dusts at high temperature,
This kind of dense smoke is easy that the carbon brush line surface of carbon brush for electric machine is contaminated, the point of road point welding process after conducting wire slight pollution influences
Firmness is welded, while influencing appearance；Seriously pollution directly results in product rejection to conducting wire.
In order to solve problem above, the number of applying for a patent is that the Chinese patent of 201410093605.X discloses a kind of motor carbon
Brush sintering furnace internal structure, including sintering furnace body and flue, flue include bonnet, crucible and pedestal, the bottom of bonnet and pedestal
It is connected by lock, forms closed furnace chamber in bonnet and pedestal, stacked gradually multiple crucibles from the bottom to top in furnace chamber, often
On a crucible there are can the inside and outside gap ventilated, the top of bonnet is equipped with the smokejack for being connected to furnace chamber outside with furnace body, pedestal
Circumference be equipped with card slot, the lower end of bonnet is located in the card slot of pedestal, and river sand is equipped in card slot and is sealed, is set on the upside of the furnace chamber of bonnet
There is cricoid air inlet pipe, multiple air admission holes is evenly distributed in air inlet pipe, being inputted in air inlet pipe has inert gas.Concrete operations
When, during sintering, a large amount of dense smoke that carbon brush for electric machine can generate in crucible is passed through inert gas into air inlet pipe,
Inert gas is drained by air admission hole in flue, and dense smoke can be extruded into smokejack by air inlet, be then discharged by smokejack, is led to
Enter inert gas in roasting just ventilation, is also conducive to drain furnace air.
Above scheme is discharged the dense smoke generated when being sintered by the inert gas being passed through, and improves the conjunction of product
Lattice rate, but still have the following problems：Inert gas is constantly filled with, and the dense smoke of generation can be extruded into smokejack by inert gas
It is interior, and be discharged into air with dense smoke, on the one hand, since inert gas temperature is relatively low, into flue can in flue
Heat swaps, and a large amount of heat that constantly scatters and disappears in flue can be made by being constantly filled with, not only so that being sintered temperature in flue
Degree reduces, and is easy to cause carbon brush for electric machine and burns insufficient and influence sintering quality, and dense smoke itself also has a large amount of heat,
Direct emission, which is fallen, can also waste a large amount of heat, to cause the waste of the energy；On the other hand, the direct emission of dense smoke is also right
Atmospheric environment can affect and pollute.
Invention content
The invention is intended to provide one kind sintering quality can be improved, atmosphere pollution, energy-saving and environment-friendly carbon brush for electric machine sintering are reduced
Stove.
To achieve the above object, the present invention provides the following technical solutions, carbon brush for electric machine sintering furnace, including pedestal and furnace body,
Furnace body is fixed on the base, and cavity is provided in furnace body, and the both sides of cavity are equipped with the vertical sintering pot equidistantly arranged, sintering pot top
Portion is equipped with capping, and the electric heating tube for being heated to sintering pot is equipped between two row sintering pots, is equipped in electric heating tube logical
Tracheae, snorkel are connected to the top of each sintering pot, and the bottom of sintering pot is provided with venthole, and exhaust is provided on furnace body wall
Road, venthole are communicated with exhaust duct, and exhaust duct is communicated with filter, and filter is communicated with air accumulator, and air accumulator is interior filled with inertia
Gas, air accumulator are communicated with air pump, and air pump is connected to snorkel.
The technical principle of this programme is：Pedestal is used to support entire furnace body, and cavity is outputed in furnace body, and cavity can be used for holding
It receives sintering pot, electric heating tube etc., sintering pot is fixed in the cavity, sintering pot is for being sintered carbon brush for electric machine, to prepare
Go out qualified carbon brush for electric machine, is closed using capping at the top of sintering pot, so as to higher temperature can be kept in sintering pot,
So that carbon brush for electric machine sintering is more abundant；Electric heating tube is set between two row sintering pots, after being powered to electric heating tube, electrical heating
Pipe can heat the sintering pot for being distributed in its both sides, after temperature reaches certain, will be sintered to carbon brush for electric machine.
Inert gas is driven into snorkel by first booster air pump, air pump, and electric heating tube is to the inert gas in snorkel
It is preheated, inert gas can be made when entering in sintering pot, it is too much will not so that the temperature in sintering pot reduces so that burn
The temperature tied in pot is more constant, the sintering quality that is insufficient and influencing carbon brush for electric machine so that avoidable carbon brush for electric machine burns.
When inert gas enters in sintering pot, inert gas will be arranged with dense smoke from the venthole of sintering pot bottom
Going out, will go into exhaust duct by the dense smoke of venthole and the mixed gas of inert gas, exhaust duct is located in furnace body wall,
During gas is discharged, furnace body can be kept the temperature, can reduce and carry out heat exchange outside sintering pot and furnace body, so as to further
Ensure the sintering temperature in sintering pot, to ensure the sintering quality of carbon brush for electric machine.
Gas is entered by exhaust duct in filter, and filter is filtered dense smoke, and solid particulate filters are got off,
So that after inert gas cleaning, return in air accumulator again, the inert gas in air accumulator is driven into snorkel by air pump again
It is interior, achieve the purpose that cycle, and returned to again in system with heat during cycle, in dense smoke and inert gas,
To make the heat in dense smoke and inert gas be re-used, reduce the waste of the energy；Simultaneously also avoid dense smoke and
Inert gas is directly discharged in air, not only reduces the pollution to air, is also reduced the waste of inert gas, is reached
Energy-saving and environment-friendly purpose.
What this programme can generate has the technical effect that：1, this programme is by being arranged snorkel, filter, air accumulator and air pump
Deng inert gas can be made to be recycled, heat in inert gas and dense smoke can also recycled, while also being avoided
Inert gas and dense smoke are directly discharged in air, energy conservation and environmental protection；2, by being arranged snorkel in electric heating tube, can make
Inert gas is preheated before entering in sintering pot, and the temperature that can avoid in sintering pot is dropped because of the addition of inert gas
It is excessively low, to ensure sintering temperature in sintering pot, to improve the sintering quality of carbon brush for electric machine；3, exhaust duct is located at stove
In body wall, during gas is discharged, furnace body can be kept the temperature, can reduce and carry out heat exchange outside sintering pot and furnace body, from
And can be further ensured that the sintering temperature in sintering pot, to be further ensured that the sintering quality of carbon brush for electric machine.
Further：It is rotatably connected to impeller with snorkel connectivity part in each sintering pot, impeller is coaxially connected with shaft,
It is wound with magnetic induction coil on shaft, further includes field mechanisms, what shaft was wound with magnetic induction coil is inserted partially into magnetic field machine
In structure, the position of corresponding each sintering pot is equipped with warning light on furnace body, and warning light is electrically connected with magnetic induction coil.In indifferent gas
When body is entered by snorkel in sintering pot, inert gas will blow impeller rotation, and wheel rotation will drive shaft rotation, axis
Bar will drive magnetic induction coil rotation, magnetic induction coil that will be cut to the magnetic field in field mechanisms so that magnetic induction coil
Electric current is generated, magnetic induction coil is electrically connected with warning light, and warning light will light, and warning light is lighted the gas in expression sintering pot
Body normally circulates, and if after venthole blocked by the fixation particle in dense smoke, the gas in sintering pot cannot be normal
Circulation, impeller cannot be lighted normally, indicate that the venthole in sintering pot is blocked；Connection between snorkel and sintering pot
Pipeline flow be clean inert gas, will not generally block, such as block herein, illustrated that snorkel is weathered, need
Replacement processing is carried out to snorkel.
Further：Field mechanisms are the opposite permanent magnet of two magnetic poles, and the part that shaft is wound with magnetic induction coil is stretched into
To between two permanent magnets.Magnetic field will be generated between the opposite permanent magnet of two magnetic poles, magnetic induction coil cuts this magnetic field and can produce
Raw electric current.
Further：It is provided with groove in sintering pot wall in each venthole, be slidably connected crushing block in groove, crushing block and recessed
It is connected with spring between groove bottom wall, the side on crushing block close to furnace body is provided with wedge slot, and the spiral shell of cooperation crushing block is provided on furnace body
Pit, threaded hole internal thread are connected with bolt, mutually have mandril in wedge slot, bolt offsets with mandril.If some corresponding sintering
Warning light on pot does not light, and operating personnel can screw bolt, and bolt will be moved into furnace body, and bolt pushes mandril to close to crowded
The direction of briquetting moves, and mandril will move crushing block by wedge groove top and be moved into venthole, and crushing block will be to blocking in venthole
The fixation particle being condensed into blocks squeezed, and blocks of solid is crushed, and venthole is blown out by gas, it is logical to complete
The purpose of venthole；After through-hole, bolt reversely is being screwed, spring pulls on crushing block and resetted.
Further：Bolt is located at one end outside furnace body and is equipped with nut, and washer is equipped between nut and furnace body.Nut is set
It sets, facilitates the rotation of bolt；The setting of washer can prevent from rubbing between nut and furnace body, when ensureing the use of furnace body and nut
Between.
Further：Capping is slidably connected on sintering pot, is covered one end far from sintering pot and is stretched out in furnace body.Sliding capping
It conveniently can be put into or take out carbon brush for electric machine.
Description of the drawings
Fig. 1 is the structural schematic diagram of carbon brush for electric machine sintering furnace of the embodiment of the present invention；
Fig. 2 is the schematic diagram at A in Fig. 1；
Fig. 3 is the schematic diagram at B in Fig. 1.
Specific implementation mode
Below by specific implementation mode, the present invention is described in further detail：
Reference numeral in Figure of description includes：Pedestal 1, furnace body 2, capping 3, electric heating tube 4, snorkel 5, sintering pot
6, venthole 7, exhaust duct 8, warning light 9, air pump 10, air accumulator 11, filter 12, impeller 13, field mechanisms 14, crushing block
15, spring 16, mandril 17, bolt 18, washer 19, nut 20.
Embodiment：As shown in Figs. 1-3, carbon brush for electric machine sintering furnace, including pedestal 1 and furnace body 2, furnace body 2 pass through threaded rod spiral shell
Line is connected on pedestal 1, and cavity is provided in furnace body 2, and the both sides of cavity are equipped with the vertical sintering pot 6 equidistantly arranged, sintering
6 top slides of pot are connected with capping 3, cover 3 left ends or right end stretches out in furnace body 2, the furnace body 2 between two row sintering pots 6 welds
It is connected to the electric heating tube 4 for being heated to sintering pot 6, the power supply and button of electrical connection, electric heating tube are installed in pedestal 1
4 are electrically connected with power supply and button, and snorkel 5 is equipped in electric heating tube 4, and snorkel 5 is welded on furnace body 2, snorkel 5 with it is every
The top of a sintering pot 6 is connected to, and the bottom of sintering pot 6 is provided with venthole 7, is provided with exhaust duct 8 on 2 wall of furnace body, venthole 7 with
Exhaust duct 8 communicates, and exhaust duct 8 is communicated with filter 12, and filter 12 is communicated with air accumulator 11, and air accumulator 11 is interior filled with indifferent gas
Body, air accumulator 11 are communicated with air pump 10, and air pump 10 is connected to snorkel 5, turn with 5 connectivity part of snorkel in each sintering pot 6
Dynamic to be connected with impeller 13, impeller 13 is coaxially connected with shaft, magnetic induction coil is wound on shaft, further includes field mechanisms 14,
Field mechanisms 14 are the opposite permanent magnet of two magnetic poles, shaft be wound with magnetic induction coil part extend into two permanent magnets it
Between, the position of corresponding each sintering pot 6 is mounted on warning light 9 on furnace body 2, and warning light 9 is electrically connected with magnetic induction coil, each
It is provided with groove on 6 wall of sintering pot in venthole 7, be slidably connected crushing block 15 in groove, connects between crushing block 15 and groove bottom wall
It is connected to spring 16, wedge slot is provided with close to the side of furnace body 2 on crushing block 15, the threaded hole of cooperation crushing block 15 is provided on furnace body 2,
Threaded hole internal thread is connected with bolt 18, mutually has mandril 17 in wedge slot, bolt 18 offsets with mandril 17, and bolt 18 is located at furnace body
One end outside 2 is equipped with nut 20, and washer 19 is equipped between nut 20 and furnace body 2.
In use, sintering pot 6 is opened in first sliding capping 3, then carbon brush for electric machine is put into sintering pot 6, then passes through envelope
Lid 3 closes sintering pot 6, and after closing, by lower button, power supply is powered electric heating tube 4, and electric heating tube 4 heats up simultaneously
Sintering pot 6 is heated, air pump 10 is then turned on, inert gas is driven into snorkel 5 by air pump 10, and electric heating tube 4 is simultaneously
Also inert gas is preheated, is entered after preheating in sintering pot 6, after the temperature in sintering pot 6 is raised to a certain degree, electricity
Machine carbon brush starts to be sintered, and the dense smoke generated with carbon brush for electric machine sintering is drained by inert gas from the venthole 7 of sintering pot 6
It in exhaust duct 8, is entered in filter 12 by exhaust duct 8, filter 12 is filtered dense smoke, the indifferent gas obtained after filtering
Body will be again driven into air accumulator 11, and air pump 10 again pumps out the gas of air accumulator 11, form cycle.
When inert gas is entered by snorkel 5 in sintering pot 6, inert gas will blow impeller 13 and rotate, impeller
13 rotations will drive shaft rotation, shaft that will drive magnetic induction coil rotation, magnetic induction coil will be opposite forever to two magnetic poles
Magnetic field is generated between magnet to be cut so that magnetic induction coil generates electric current, and warning light 9 will light, and warning light 9 light by
Indicate that the gas in sintering pot 6 normally circulates, and if after venthole 7 blocked by the fixation particle in dense smoke, sintering pot
Gas in 6 cannot normally circulate, then impeller 13 cannot be lighted normally, indicate that the venthole 7 in sintering pot 6 is sealed
It is stifled.
If venthole 7 is blocked, the warning light 9 corresponded on some sintering pot 6 will not light, need operator
Member carries out borehole cleaning operation, and operating personnel need to screw bolt 18 by nut 20, and bolt 18 will be moved into furnace body 2, and bolt 18 pushes up
Dynamic mandril 17 is moved to close to the direction of crushing block 15, and mandril 17 will move crushing block 15 in venthole 7 by wedge groove top
Movement, crushing block 15 will be squeezed blocking the fixation particle being condensed into blocks in venthole 7, and blocks of solid is crushed,
Broken bit solid blows out venthole 7 by gas, and to complete the through-hole operation of venthole 7, bit solid will be by gas
Body is blown into filter 12, is filtered；After through-hole, then bolt 18 is reversely screwed, spring 16 pulls on crushing block 15
It is resetted.
For those skilled in the art, without departing from the structure of the invention, several changes can also be made
Shape and improvement, these should also be considered as protection scope of the present invention, these all do not interfere with the effect and patent that the present invention is implemented
Practicability.
Claims (6)
1. carbon brush for electric machine sintering furnace, including pedestal and furnace body, furnace body are fixed on the base, it is characterised in that：Chamber is provided in furnace body
The both sides of body, cavity are equipped with the vertical sintering pot equidistantly arranged, and capping is equipped at the top of sintering pot, is equipped between two row sintering pots
Electric heating tube for being heated to sintering pot, electric heating tube is interior to be equipped with snorkel, the top of snorkel and each sintering pot
It is connected to, the bottom of sintering pot is provided with venthole, and exhaust duct is provided on furnace body wall, and venthole is communicated with exhaust duct, and exhaust duct connects
Be connected with filter, filter is communicated with air accumulator, and filled with inert gas in air accumulator, air accumulator is communicated with air pump, air pump with it is logical
Tracheae is connected to.
2. carbon brush for electric machine sintering furnace according to claim 1, it is characterised in that：Connect with snorkel in each sintering pot
Logical place is rotatably connected to impeller, and impeller is coaxially connected with shaft, magnetic induction coil is wound on shaft, further includes magnetic field machine
Structure, shaft are wound with being inserted partially into field mechanisms of magnetic induction coil, and the position of corresponding each sintering pot is all provided on furnace body
There are warning light, warning light to be electrically connected with magnetic induction coil.
3. carbon brush for electric machine sintering furnace according to claim 2, it is characterised in that：The field mechanisms are that two magnetic poles are opposite
Permanent magnet, two permanent magnets are located at the part both sides that shaft is wound with magnetic induction coil.
4. carbon brush for electric machine sintering furnace according to claim 3, it is characterised in that：Sintering pot wall in each venthole
On be provided with groove, be slidably connected crushing block in groove, is connected with spring between crushing block and groove bottom wall, close on crushing block
The side of furnace body is provided with wedge slot, and the threaded hole of cooperation crushing block is provided on furnace body, and threaded hole internal thread is connected with bolt, in wedge slot
Mandril is mutually had, bolt offsets with mandril.
5. carbon brush for electric machine sintering furnace according to claim 4, it is characterised in that：The shaft is wound with magnetic induction coil
Part is extend between two permanent magnets.
6. carbon brush for electric machine sintering furnace according to any one of claims 1-5, it is characterised in that：The capping is slidably connected
On sintering pot, covers one end far from sintering pot and stretch out in furnace body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611254409.1A CN106839765B (en) | 2016-12-30 | 2016-12-30 | Carbon brush for electric machine sintering furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611254409.1A CN106839765B (en) | 2016-12-30 | 2016-12-30 | Carbon brush for electric machine sintering furnace |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106839765A CN106839765A (en) | 2017-06-13 |
| CN106839765B true CN106839765B (en) | 2018-10-30 |
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ID=59114765
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611254409.1A Active CN106839765B (en) | 2016-12-30 | 2016-12-30 | Carbon brush for electric machine sintering furnace |
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| Country | Link |
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| CN (1) | CN106839765B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107538005B (en) * | 2017-08-18 | 2019-03-08 | 重庆市河海碳素制品有限公司 | A kind of energy-saving sintering furnace |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4478626A (en) * | 1981-09-01 | 1984-10-23 | Kabushiki Kaisha Kobe Seiko Sho | Method of hot isostatic pressing treatment |
| TW200741160A (en) * | 2006-04-20 | 2007-11-01 | Eastern Standard Technology Corp | A heating furnace |
| CN103913063A (en) * | 2014-03-14 | 2014-07-09 | 台州昊泽碳制品有限公司 | Internal structure of motor carbon brush sintering furnace |
-
2016
- 2016-12-30 CN CN201611254409.1A patent/CN106839765B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4478626A (en) * | 1981-09-01 | 1984-10-23 | Kabushiki Kaisha Kobe Seiko Sho | Method of hot isostatic pressing treatment |
| TW200741160A (en) * | 2006-04-20 | 2007-11-01 | Eastern Standard Technology Corp | A heating furnace |
| CN103913063A (en) * | 2014-03-14 | 2014-07-09 | 台州昊泽碳制品有限公司 | Internal structure of motor carbon brush sintering furnace |
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| Publication number | Publication date |
|---|---|
| CN106839765A (en) | 2017-06-13 |
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