CN216008973U - High-temperature-resistant circulating fan for heat treatment electric furnace - Google Patents
High-temperature-resistant circulating fan for heat treatment electric furnace Download PDFInfo
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- CN216008973U CN216008973U CN202122445992.7U CN202122445992U CN216008973U CN 216008973 U CN216008973 U CN 216008973U CN 202122445992 U CN202122445992 U CN 202122445992U CN 216008973 U CN216008973 U CN 216008973U
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Abstract
The utility model discloses a high temperature resistant circulating fan for a heat treatment electric furnace, which comprises a motor, wherein a top heat dissipation device and a bottom heat dissipation device are respectively and fixedly arranged at two ends of the motor, the top heat dissipation device comprises a heat dissipation fan, and the heat dissipation fan is fixedly arranged at the front end of a main transmission shaft of the motor; bottom heat abstractor includes the go-between, go-between one end fixed mounting motor, and the other end is fixed and is equipped with the ring flange, installs self-cooling fan in the go-between, and motor final drive shaft passes go-between, self-cooling fan and flange dish in proper order, the terminal fan blade seat of installing of motor final drive shaft installs the thermal cycle fan blade on the fan blade seat, the ring flange with be provided with thermal-insulated heat preservation dish between the thermal cycle fan blade. The utility model has the advantages of stable air quantity, low noise and simple maintenance.
Description
Technical Field
The utility model relates to a fan, in particular to a high-temperature resistant circulating fan for a heat treatment electric furnace.
Background
The heat treatment electric furnace is an electric furnace for heating furnace charge in heat treatment, is a mechanical device for tempering workpieces, and is widely applied to heat treatment of metal parts. In general, a fan is required to be installed in a heat treatment electric furnace to promote the uniform circular flow of hot air in the electric furnace. At present, most circulating fans for electric heat treatment furnaces are directly arranged on the furnace wall of the furnace, and the motors work and heat for a long time, so that the air volume of the fans is unstable, the furnace temperature in the electric heat treatment furnaces is difficult to stably rise, further, heat treatment workpieces are heated unevenly, the workpieces in the same batch have large difference, and the quality is unstable; the existing fan has the problems of high noise and large vibration, and the requirement of heat treatment cannot be met. And due to the high temperature in the furnace and the assembly of the plug-in fan, the fan has short service life and is difficult to overhaul and maintain. To sum up, the existing fan mainly has the defects of unstable air quantity, large noise, large vibration and short service life, and is not convenient to maintain.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a heat treatment is high temperature resistant circulating fan for electric stove. The utility model has the characteristics of the amount of wind is stable, the noise is little to overhaul and maintain simple.
The technical scheme of the utility model: a high-temperature resistant circulating fan for a heat treatment electric furnace comprises a motor, wherein a top heat dissipation device and a bottom heat dissipation device are fixedly arranged at two ends of the motor respectively, the top heat dissipation device comprises a heat dissipation fan, and the heat dissipation fan is fixedly arranged at the front end of a main transmission shaft of the motor; bottom heat abstractor includes the go-between, go-between one end fixed mounting motor, and the other end is fixed and is equipped with the ring flange, installs self-cooling fan in the go-between, and motor final drive shaft passes go-between, self-cooling fan and flange dish in proper order, the fan blade seat is installed to the end of motor final drive shaft, installs a plurality of evenly distributed's thermal cycle fan blade on the fan blade seat, the ring flange with be provided with thermal-insulated heat preservation dish between the thermal cycle fan blade.
In the high-temperature resistant circulating fan for the heat treatment electric furnace, a circle of mounting holes corresponding to the flange plate are formed in the circumference of the heat insulation plate.
In the high-temperature resistant circulating fan for the heat treatment electric furnace, the diameter of the heat insulation plate is larger than that of the flange plate.
In the high-temperature resistant circulating fan for the heat treatment electric furnace, the shaft end cover is arranged below the fan blade seat.
In the high-temperature resistant circulating fan for the heat treatment electric furnace, the blades of the heat circulation fan blades are arc-shaped and are bent along the radial direction of the blades.
In the high-temperature resistant circulating fan for the heat treatment electric furnace, a heat circulating air outlet channel is formed between adjacent heat circulating fan blades, a circle of annular heat circulating air outlet channel air inlet is arranged at the center of the inner side of each heat circulating fan blade, and when the high-temperature resistant circulating fan works, the outer edge of each heat circulating fan blade is an air outlet of the heat circulating air outlet channel.
In the high-temperature resistant circulating fan for the heat treatment electric furnace, the upper part of the connecting ring is provided with a bearing installation position, a plurality of ribs are connected between the bearing installation position and the flange plate, and the ribs form a cage shape.
In the foregoing high temperature resistant circulating fan for heat treatment electric furnace, the self-cooling fan includes the self-cooling fan hub, and the self-cooling fan hub is equipped with along the groove of fan hub outer circumference evenly distributed, has inserted the self-cooling blade in the groove, and the self-cooling blade is close to the flange dish end is equipped with the wind-break dish.
In the foregoing high temperature resistant circulating fan for an electric furnace for heat treatment, the cooling fan includes a fan hub, the fan hub is provided with slots uniformly distributed along an outer circumference of the fan hub, blades are inserted into the slots, and the blades are fan-shaped.
In the high-temperature resistant circulating fan for the heat treatment electric furnace, the cooling fan is arranged in the motor end cover.
Compared with the prior art, the utility model has the advantages that the top heat dissipation device and the bottom heat dissipation device are added at the two ends of the motor simultaneously, so that when the motor operates for a long time, the heat dissipation can be accelerated, the replacement time of vulnerable parts such as bearings is reduced, the motor operates more stably, and meanwhile, the heat insulation plate is added, so that the heat insulation layer is thicker, the heat in the electric furnace is not easy to lose, the maintenance is more convenient, and the integral disassembly is not needed; the prior art is that the fan is direct to be installed on the oven through the ring flange, the utility model discloses an increase when insulating against heat the heat preservation dish make motor final drive axle extension, make the starting moment of fan high after the axle extension, the noise is low, and the vibration is little. So the utility model has the advantages of stable air quantity, low noise and simple maintenance.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a schematic structural view of the present invention in operation;
FIG. 3 is a schematic structural diagram of a thermal cycle fan blade;
FIG. 4 is a schematic structural diagram of a heat dissipation fan;
FIG. 5 is a schematic structural diagram of a self-cooling fan;
the labels in the figures are: 1-motor, 2-motor main drive shaft, 3-top heat dissipation device, 31-heat dissipation fan, 311-fan hub, 312-blade, 4-bottom heat dissipation device, 41-connecting ring, 411-rib, 42-flange plate, 43-self-cooling fan, 431-self-cooling fan hub, 432-self-cooling blade, 433-wind shielding plate, 5-blade seat, 51-shaft end cover, 6-heat circulation fan blade, 61-heat circulation air outlet channel, 62-heat circulation air outlet channel air inlet, 63-heat circulation air outlet channel air outlet, 7-heat insulation plate, and 0-electric furnace wall.
Detailed Description
The following description is made with reference to the accompanying drawings and examples, but not to be construed as limiting the invention.
Examples are given. A high-temperature resistant circulating fan for a heat treatment electric furnace is shown in figures 1-5 and comprises a motor 1, wherein a top heat dissipation device 3 and a bottom heat dissipation device 4 are respectively and fixedly arranged at two ends of the motor 1, the top heat dissipation device 3 comprises a heat dissipation fan 31, and the heat dissipation fan 31 is fixedly arranged at the front end of a main transmission shaft 2 of the motor; bottom heat abstractor 4 includes go-between 41, go-between 41 one end fixed mounting motor 1, and the other end is fixed and is equipped with ring flange 42, installs from cooling fan 43 in the go-between 41, and motor final drive shaft 2 passes go-between 41, from cooling fan 43 and ring flange 42 in proper order, fan blade seat 5 is installed to the end of motor final drive shaft 2, installs a plurality of evenly distributed's thermal cycle fan blade 6 on the fan blade seat 5, ring flange 42 with be equipped with thermal-insulated heat preservation dish 7 between the thermal cycle fan blade 6.
The circumference of the heat insulation plate 7 is provided with a circle of mounting holes 71 corresponding to the flange 42, and the outer side of the mounting holes is provided with a circle of electric furnace mounting holes 72.
The diameter of the heat insulation plate 7 is larger than that of the flange 42.
And a shaft end cover 51 is arranged below the fan blade seat 5.
The blades of the thermal cycle fan blade 6 are arc-shaped and are bent along the radial direction of the blades.
A circle of thermal cycle air outlet channel 61 is formed between adjacent thermal cycle fan blades 6, a circle of annular thermal cycle air outlet channel air inlet 62 is arranged at the center of the inner side of the thermal cycle fan blades 6, and when the thermal cycle fan blades 6 work, the outer edge of the thermal cycle fan blades 6 is a thermal cycle air outlet channel air outlet 63.
The upper portion of the connecting ring 41 is provided with a bearing installation position, a plurality of ribs 411 are connected between the bearing installation position and the flange 42, and the ribs 411 form a cage shape.
The self-cooling fan 43 comprises a self-cooling fan hub 431, the self-cooling fan hub 431 is provided with grooves which are uniformly distributed along the outer circumference of the fan hub, self-cooling blades 432 are inserted in the grooves, and a wind shielding disc 433 is arranged at the end, close to the flange 42, of the self-cooling blades 432.
The heat dissipation fan 31 includes a fan hub 311, the fan hub 311 has slots uniformly distributed along the outer circumference of the fan hub, blades 312 are inserted in the slots, and the blades 312 are fan-shaped.
The heat dissipation fan 31 is disposed in the motor end cover.
The working principle is as follows: the utility model discloses as shown in fig. 1-5, pass flange dish hole and thermal-insulated mounting hole 71 in the heat preservation dish to high temperature resistant circulating fan through the bolt, electric stove mounting hole 72, fixed mounting is on electric stove wall 0, starter motor 1, motor 1 moves, motor final drive shaft 2 rotates, drive radiator fan 31, from cooling fan 43 and the rotatory work of thermal cycle fan blade 6, the thermal treatment electric stove is at normal during operation, stove heating element sends the heat, the heat progressively risees, stove hot-air is put (thermal cycle air-out passageway air intake 62) from the inboard central point of thermal cycle fan blade 6 and is inhaled, then hot-air is discharged from outer fringe (thermal cycle air-out passageway air outlet 63) of thermal cycle fan blade 6, the hot-air circulates repeatedly, make the hot-air heat in the stove even, thereby make the thermal treatment work piece be heated evenly.
Claims (9)
1. A high temperature resistant circulating fan for a heat treatment electric furnace is characterized in that: the motor comprises a motor (1), wherein a top heat dissipation device (3) and a bottom heat dissipation device (4) are respectively and fixedly arranged at two ends of the motor (1), the top heat dissipation device (3) comprises a heat dissipation fan (31), and the heat dissipation fan (31) is fixedly arranged at the front end of a motor main transmission shaft (2); bottom heat abstractor (4) are including go-between (41), go-between (41) one end fixed mounting motor (1), and the other end is fixed to be equipped with ring flange (42), installs self-cooling fan (43) in go-between (41), and motor final drive shaft (2) pass go-between (41), self-cooling fan (43) and ring flange (42) in proper order, fan blade seat (5) are installed to the end of motor final drive shaft (2), install a plurality of evenly distributed's thermal cycle fan blade (6) on fan blade seat (5), ring flange (42) with be equipped with thermal-insulated heat preservation dish (7) between thermal cycle fan blade (6).
2. The high temperature resistant circulating fan for the heat treatment electric furnace according to claim 1, characterized in that: and a circle of mounting holes (71) corresponding to the flange plate (42) are formed in the circumference of the heat insulation plate (7).
3. The high temperature resistant circulating fan for the heat treatment electric furnace according to claim 1, characterized in that: the diameter of the heat insulation plate (7) is larger than that of the flange plate (42).
4. The high temperature resistant circulating fan for the heat treatment electric furnace according to claim 1, characterized in that: and a shaft end cover (51) is arranged below the fan blade seat (5).
5. The high temperature resistant circulating fan for the heat treatment electric furnace according to claim 1, characterized in that: the blades of the thermal cycle fan blade (6) are arc-shaped and are bent along the radial direction of the blades.
6. The high temperature resistant circulating fan for the heat treatment electric furnace according to claim 1, characterized in that: the upper portion of the connecting ring (41) is provided with a bearing installation position, a plurality of ribs (411) are connected between the bearing installation position and the flange plate (42), and the ribs (411) form a cage shape.
7. The high temperature resistant circulating fan for the heat treatment electric furnace according to claim 1, characterized in that: self-cooling fan (43) are including self-cooling fan hub (431), and self-cooling fan hub (431) are equipped with along fan hub outer circumference evenly distributed's groove, have inserted self-cooling blade (432) in the groove, and self-cooling blade (432) are close to flange dish (42) end is equipped with wind-break dish (433).
8. The high temperature resistant circulating fan for the heat treatment electric furnace according to claim 1, characterized in that: the heat dissipation fan (31) comprises a fan hub (311), the fan hub (311) is provided with grooves which are uniformly distributed along the outer circumference of the fan hub, blades (312) are inserted into the grooves, and the blades (312) are fan-shaped.
9. The high temperature resistant circulating fan for the heat treatment electric furnace according to claim 1, characterized in that: the heat radiation fan (31) is arranged in the motor end cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122445992.7U CN216008973U (en) | 2021-10-11 | 2021-10-11 | High-temperature-resistant circulating fan for heat treatment electric furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122445992.7U CN216008973U (en) | 2021-10-11 | 2021-10-11 | High-temperature-resistant circulating fan for heat treatment electric furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216008973U true CN216008973U (en) | 2022-03-11 |
Family
ID=80521848
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122445992.7U Active CN216008973U (en) | 2021-10-11 | 2021-10-11 | High-temperature-resistant circulating fan for heat treatment electric furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216008973U (en) |
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2021
- 2021-10-11 CN CN202122445992.7U patent/CN216008973U/en active Active
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