CN201992986U - Cooling fan of vacuum sintering furnace - Google Patents
Cooling fan of vacuum sintering furnace Download PDFInfo
- Publication number
- CN201992986U CN201992986U CN2011200373598U CN201120037359U CN201992986U CN 201992986 U CN201992986 U CN 201992986U CN 2011200373598 U CN2011200373598 U CN 2011200373598U CN 201120037359 U CN201120037359 U CN 201120037359U CN 201992986 U CN201992986 U CN 201992986U
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- China
- Prior art keywords
- permanent magnet
- sintering furnace
- motor
- blower
- transmission mechanism
- 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.)
- Expired - Fee Related
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- 238000005245 sintering Methods 0.000 title claims abstract description 45
- 238000001816 cooling Methods 0.000 title claims abstract description 37
- 230000005540 biological transmission Effects 0.000 claims abstract description 34
- 238000000926 separation method Methods 0.000 claims description 23
- 239000000498 cooling water Substances 0.000 claims description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 239000002131 composite material Substances 0.000 claims description 3
- 235000019628 coolness Nutrition 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 239000012530 fluid Substances 0.000 claims description 3
- 239000000696 magnetic material Substances 0.000 claims description 3
- 229910001172 neodymium magnet Inorganic materials 0.000 claims description 3
- 238000005086 pumping Methods 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 abstract description 3
- 238000002955 isolation Methods 0.000 abstract 2
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 10
- 230000000694 effects Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
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- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The utility model provides a cooling fan of a vacuum sintering furnace. The cooling fan comprises a fan impeller end and a motor end, wherein the fan impeller end comprises a fan inlet, a fan frame, a fan outlet, a fan impeller, a transmission mechanism, a rotor in a permanent magnet, and an isolation sleeve; the motor end comprises a motor mounting frame, a motor and a rotor outside the permanent magnet; the rotor outside the permanent magnet is placed on the outer side of the rotor in the permanent magnet; the rotor outside the permanent magnet is isolated from the rotor by the isolation sleeve; the fan impeller end is arranged in a vacuum system of the sintering furnace; and the motor end is arranged outside the vacuum system of the sintering furnace. By adopting the utility model, the cooling fan of the vacuum sintering furnace has a better working environment, the normal operation of the equipment is guaranteed, the service life of the equipment is prolonged, and the maintenance cost of the equipment is reduced.
Description
Technical field
The utility model relates to a kind of vacuum sintering furnace cooling blower, particularly relates to a kind of cooling blower that adopts the permanent magnet transmission.
Background technology
Existing vacuum-sintering furnace structure as shown in Figure 1.In this structure, after sintering is finished, generally adopt the mode of outer circulation type to cool off hot gas in the body of heater 101.Hot gas in the stove enters centrifugal blower 105 by airduct 102, heat exchanger 103, centrifugal blower inlet 104, the outlet 106 of centrifugal blower links to each other with body of heater 101, thereby cold wind is by being blown into hot gas and the product in the cooling body of heater in the body of heater 101 from centrifugal blower outlet 106.Existing vacuum sintering furnace (shown in Figure 1) leaks for fear of centrifugal blower 105 power transmission shafts, and the motor of centrifugal blower is enclosed in (as shown in Figure 2) in the vacuum system with case is whole.This centrifugal blower comprises centrifugal blower support 201, thermal insulation board (cooling water channel) 202, centrifugal blower fan blade wheel 203, motor 204, motor case (band cooling water channel) 205.Because motor 203 is enclosed in the vacuum system by motor case 204, though water quench is arranged, but because sintering furnace is mostly worked under condition of negative pressure, cooling effect is not good, also have following defective simultaneously: the motor of blower fan is closed in the case, because the poor heat radiation problem, burn easily or damage; Fan electromotor adopts more powerful motor in order to reduce heating and to be beneficial to heat radiation, has produced a large amount of reactive powers, and mains supply is exerted an influence; Blower motor is because the loss of lubricating oil in vacuum system is easy to generate fault, and maintenance is inconvenient; Because the cooling blower motor is worked,, very easily burn out fan electromotor if, cause blower fan startup work under vacuum state because pressure protect is malfunctioning in vacuum system.
Summary of the invention
The purpose of this utility model provides a kind of vacuum sintering furnace cooling blower, and under the condition that satisfies existing technological requirement, this vacuum sintering furnace cooling blower adopts the permanent magnet transmission, and blower motor is placed the vacuum system outside, to reach the purpose of protection motor.
A kind of vacuum sintering furnace cooling blower comprises draught fan impeller end and motor terminal, it is characterized in that: described draught fan impeller end is included within the vacuum system of sintering furnace, and described motor terminal is outside the vacuum system of sintering furnace.
Described draught fan impeller end includes fans entrance 301, blower fan support 302, blower fan outlet 303, draught fan impeller 304, transmission mechanism 305, permanent magnet internal rotor 308 and separation sleeve 309, wherein an end of blower fan support 302 is a fans entrance 301, the other end is blower fan outlet 303, fans entrance 301 is connected with the heat exchanger of sintering furnace, transmission mechanism 305 is fixed on the blower fan support 302, one end of transmission mechanism 305 is fixed with draught fan impeller 304, and make draught fan impeller 304 be positioned at blower fan support 302 inside, the other end is fixed with permanent magnet internal rotor 308, have separation sleeve 309 that permanent magnet internal rotor 308 is entangled in permanent magnet internal rotor 308 outsides, and separation sleeve 309 is fixed on the transmission mechanism 305.
Described motor terminal includes motor mounting frame 311, motor 312 and permanent magnet outer rotor 310, and wherein permanent magnet outer rotor 310 is installed on the output of motor 312, and motor 312 is fixed on the motor mounting frame 311.
Preferably, described permanent magnet outer rotor 310 is placed on permanent magnet internal rotor 308 outsides, is separated by separation sleeve 309 between permanent magnet outer rotor 310 and the permanent magnet internal rotor 308.
Preferably, described transmission mechanism 305 inside comprise axle center 313, and draught fan impeller 304 and permanent magnet internal rotor 308 are with axle center 313 coaxial rotation, and transmission mechanism 305 and the separation sleeve 309 on it does not rotate with axle center 313.
Preferably, described transmission mechanism 305 inner close 313 positions, axle center include oil sump 306, away from 313 positions, axle center cooling water channel 307 are being arranged.
Preferably, described separation sleeve 309 is non-magnet_conductible materials such as stainless steel, red copper, pottery or organic composite material.
Preferably, described permanent magnet outer rotor 310 and permanent magnet internal rotor 308 adopt sintered Nd-Fe-B magnetic material.
Preferably, described oil sump 306 adopts No. 100 lubricated coolings of pumping fluid.
The cooling blower of the vacuum sintering furnace that the utility model provides makes the vacuum sintering furnace blower motor have better working environment, guarantees the normal operation of equipment and the service life of prolongation equipment, has reduced the maintenance cost of equipment.Lower to the requirement of motor simultaneously, do not need as vacuum sintering furnace producer, to adopt the high temperature resistant motor of special facture, reduce the cost of equipment.The motor that the utility model adopts and draught fan impeller mates can reduce the consumption of electric energy, meets the purpose that device energy conservation reduces discharging.Also can adopt simultaneously the littler motor of power,, reduce impact power supply grid to reduce the generation of reactive power.
Description of drawings
Fig. 1 is existing vacuum sintering furnace structural representation.
Fig. 2 is existing vacuum sintering furnace cooling blower structural representation.
Fig. 3 is the utility model sintering furnace cooling blower structural representation.
The specific embodiment
Fig. 3 is the utility model vacuum sintering furnace cooling blower structural representation, and it comprises: fans entrance 301; Blower fan support 302; Blower fan outlet 303; Draught fan impeller 304; Transmission system 305; Oil sump 306; Cooling water channel 307; Permanent magnet internal rotor 308; Separation sleeve 309; Permanent magnet outer rotor 310; Motor mounting frame 311; Motor 312.
As shown in Figure 3, the cooling blower of vacuum sintering furnace includes draught fan impeller end and motor terminal, the draught fan impeller end includes fans entrance 301, blower fan support 302, blower fan outlet 303, draught fan impeller 304, transmission mechanism 305, permanent magnet internal rotor 308 and separation sleeve 309.Wherein fans entrance is connected with the outlet of sintering furnace heat exchanger, and hot blast is sucked by centrifugal blower after cooling off through heat exchanger, is discharged to body of heater inside from centrifugal blower outlet 303 again.Blower fan support 302 is a volute shape, its end is a fans entrance 301, the other end is blower fan outlet 303, fans entrance 301 is connected with the heat exchanger of sintering furnace, behind the fan starting, fans entrance 301 produces negative pressure, and the hot gas in the sintering furnace body enters heat exchanger by airduct, hot blast enters blower fan support 302 by fans entrance 301 after being cooled through heat exchanger, is blown into sintering furnace by draught fan impeller by blower fan outlet 303 and makes temperature continuation cooling in the stove.Transmission mechanism 305 is fixed on the blower fan support 302, one end of transmission mechanism 305 is fixed with draught fan impeller 304, and make draught fan impeller 304 be positioned at blower fan support 302 inside, the other end is fixed with permanent magnet internal rotor 308, have separation sleeve 309 that permanent magnet internal rotor 308 is entangled in permanent magnet internal rotor 308 outsides, and separation sleeve 309 is fixed on the transmission mechanism 305.Draught fan impeller 304 and permanent magnet internal rotor 308 are with axle center 313 coaxial rotation of transmission mechanism 305, and transmission mechanism 305 and the separation sleeve 309 on it does not rotate with axle center 313.Transmission mechanism 305 inner close 313 positions, axle center include oil sump 306, away from 313 positions, axle center cooling water channel 307 are being arranged, and oil sump 306 promptly can also can be used as the lubricating system of bearing simultaneously as the oil cooling system, improves the reliability and the durability of bearing.Above-mentioned parts all are comprised in the vacuum system inside of sintering furnace.Oil sump 306 adopts No. 100 lubricated coolings of pumping fluid, can avoid plain oil to volatilize under vacuum state.
Motor terminal includes the permanent magnet outer rotor 310 of motor mounting frame 311, motor 312 and motor output end, and these parts are not included in the vacuum system of sintering furnace; Permanent magnet outer rotor 310 is installed on the output of motor 312, motor 312 is fixed on the motor mounting frame 311, permanent magnet outer rotor 310 is placed on permanent magnet internal rotor 308 outsides, separated by separation sleeve 309 between permanent magnet outer rotor 310 and the permanent magnet internal rotor 308, separation sleeve 309 is separated inside and outside in the sintering furnace vacuum system with fan blade end and motor terminal.Motor 312 drives 310 rotations of permanent magnet outer rotor, promote permanent magnet internal rotor 308 by the principle that the same sex between permanent magnet outer rotor 310 and the permanent magnet internal rotor 308 is inhaled mutually and the opposite sex is repelled each other and drive axle center 313 and draught fan impeller 304 rotations, make two groups of permanent magnets be equivalent to the purpose that shaft coupling is realized the Motor Drive draught fan impeller.
Separation sleeve 309 can adopt non-magnet_conductible materials such as stainless steel, red copper, pottery or organic composite material to make in order to avoid cutting magnetic line produces eddy current.Permanent magnet outer rotor and internal rotor adopt sintered Nd-Fe-B magnetic material to make.
Permanent magnet outer rotor and internal rotor are as the transmission mechanism of motor terminal and draught fan impeller end, and there is air gap because separation sleeve does not rotate in two groups of permanent magnets between separation sleeve and internal rotor and the outer rotor, can guarantee that separation sleeve does not does not wear and tear.
Because the normal use in axle center of permanent magnet and transmission mechanism can not have too high temperature, transmission mechanism of the present utility model includes water cooling system and oil cooling system, two cover system actings in conjunction reduce the temperature of transmission mechanism and last all parts of axle, avoid bearing and permanent magnet to lose efficacy, improve the reliability of transmission.
The utility model has the advantages that: transmission adopted oil cooling and water-cooled dual mode combine, and the assurance transmission system is not generated heat.By the permanent magnet transmission, motor is placed the vacuum system outside of sintering furnace, make things convenient for the maintaining of motor.Motor is placed device external, and in cooling procedure, motor can not produce superheating phenomenon, and motor self-radiating effect is better.
What need statement is that the foregoing invention content and the specific embodiment are intended to prove the practical application of technical scheme that the utility model provides, and should not be construed as the qualification to the utility model protection domain.Those skilled in the art are in spirit of the present invention and principle, when doing various modifications, being equal to and replacing or improve.Protection domain of the present utility model is as the criterion with appended claims.
Claims (9)
1. a vacuum sintering furnace cooling blower comprises draught fan impeller end and motor terminal, it is characterized in that: described draught fan impeller end is included within the vacuum system of sintering furnace, and described motor terminal is outside the vacuum system of sintering furnace.
2. vacuum sintering furnace cooling blower as claimed in claim 1, it is characterized in that: described draught fan impeller end includes fans entrance (301), blower fan support (302), blower fan outlet (303), draught fan impeller (304), transmission mechanism (305), permanent magnet internal rotor (308) and separation sleeve (309), wherein an end of blower fan support (302) is fans entrance (301), the other end is blower fan outlet (303), fans entrance (301) is connected with the heat exchanger of sintering furnace, transmission mechanism (305) is fixed on the blower fan support (302), one end of transmission mechanism (305) is fixed with draught fan impeller (304), and make draught fan impeller (304) be positioned at blower fan support (302) inside, the other end is fixed with permanent magnet internal rotor (308), have separation sleeve (309) that permanent magnet internal rotor (308) is entangled in permanent magnet internal rotor (308) outside, and separation sleeve (309) is fixed on the transmission mechanism (305).
3. vacuum sintering furnace cooling blower as claimed in claim 1, it is characterized in that: described motor terminal includes motor mounting frame (311), motor (312) and permanent magnet outer rotor (310), wherein permanent magnet outer rotor (310) is installed on the output of motor (312), and motor (312) is fixed on the motor mounting frame (311).
4. vacuum sintering furnace cooling blower as claimed in claim 3, it is characterized in that: described permanent magnet outer rotor (310) is placed on permanent magnet internal rotor (308) outside, is separated by separation sleeve (309) between permanent magnet outer rotor (310) and the permanent magnet internal rotor (308).
5. vacuum sintering furnace cooling blower as claimed in claim 2, it is characterized in that: described transmission mechanism (305) inside comprises axle center (313), draught fan impeller (304) and permanent magnet internal rotor (308) are with axle center (313) coaxial rotation, and transmission mechanism (305) and the separation sleeve on it (309) do not rotate with axle center (313).
6. vacuum sintering furnace cooling blower as claimed in claim 5 is characterized in that: described transmission mechanism (305) is inner to include oil sump (306) near position, axle center (313), away from position, axle center (313) cooling water channel (307) is being arranged.
7. vacuum sintering furnace cooling blower as claimed in claim 2 is characterized in that: described separation sleeve (309) is stainless steel, red copper, pottery or organic composite material.
8. vacuum sintering furnace cooling blower as claimed in claim 4 is characterized in that: described permanent magnet outer rotor (310) and permanent magnet internal rotor (308) adopt sintered Nd-Fe-B magnetic material.
9. vacuum sintering furnace cooling blower as claimed in claim 6 is characterized in that: described oil sump (306) adopts No. 100 lubricated coolings of pumping fluid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200373598U CN201992986U (en) | 2011-02-12 | 2011-02-12 | Cooling fan of vacuum sintering furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200373598U CN201992986U (en) | 2011-02-12 | 2011-02-12 | Cooling fan of vacuum sintering furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201992986U true CN201992986U (en) | 2011-09-28 |
Family
ID=44669472
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200373598U Expired - Fee Related CN201992986U (en) | 2011-02-12 | 2011-02-12 | Cooling fan of vacuum sintering furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201992986U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108282112A (en) * | 2018-01-23 | 2018-07-13 | 江苏石川岛丰东真空技术有限公司 | Motor vacuum activation system and motor vacuum start method |
| CN109140603A (en) * | 2016-05-18 | 2019-01-04 | 胡振强 | Air-conditioning and working method |
| CN113465363A (en) * | 2021-06-15 | 2021-10-01 | 西安交通大学 | Magnetic rotary deposition device and high-temperature high-pressure sintering furnace based on same |
-
2011
- 2011-02-12 CN CN2011200373598U patent/CN201992986U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109140603A (en) * | 2016-05-18 | 2019-01-04 | 胡振强 | Air-conditioning and working method |
| CN108282112A (en) * | 2018-01-23 | 2018-07-13 | 江苏石川岛丰东真空技术有限公司 | Motor vacuum activation system and motor vacuum start method |
| CN108282112B (en) * | 2018-01-23 | 2024-02-20 | 江苏石川岛丰东真空技术有限公司 | Motor vacuum starting system and motor vacuum starting method |
| CN113465363A (en) * | 2021-06-15 | 2021-10-01 | 西安交通大学 | Magnetic rotary deposition device and high-temperature high-pressure sintering furnace based on same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110928 Termination date: 20180212 |