CN208803110U - A kind of bearing ring residual temperature annealing furnace - Google Patents
A kind of bearing ring residual temperature annealing furnace Download PDFInfo
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- CN208803110U CN208803110U CN201821532464.7U CN201821532464U CN208803110U CN 208803110 U CN208803110 U CN 208803110U CN 201821532464 U CN201821532464 U CN 201821532464U CN 208803110 U CN208803110 U CN 208803110U
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- gear
- furnace
- bearing ring
- fire door
- temperature annealing
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
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Abstract
The utility model relates to a kind of bearing ring residual temperature annealing furnaces, including furnace body, thermocouple, transmission mechanism and attemperator；The installation of TC is at the top of furnace body；Transmission mechanism is mounted on the lower section of furnace body；Furnace body includes furnace shell, hollow furnace chamber, preceding fire door and rear fire door；Transmission mechanism includes support base, a plurality of delivery track, chain and gear；A plurality of delivery track is fixed on side by side above support base；On bottom plate of the gear by passing through the two sides that the bearing of gear centre is fixed on support base；Chain bypasses the gear of the two sides of support base and support base；Conveyer belt is laid on delivery track；Attemperator includes the sheet metal and insulating layer for wrapping up furnace shell；The insulating layer is attached to the side wall of furnace chamber and the inside of upper wall.The utility model is energy saving, reduces discharge, reduces material loss, energy conservation and environmental protection.
Description
Technical field
The utility model relates to a kind of heat-treatment furnace, in particular to a kind of bearing ring residual temperature annealing furnace.
Background technique
In order to make stainless steel steel obtain optimum performance, or for user carry out stainless steel further processing using create item
Part, stainless steel hot-rolling volume will be heat-treated before factory, and heat treatment is divided into the modes such as annealing, normalizing, quenching, raw to stainless steel
For production person, no matter which kind of heat treatment is traditionally referred to as annealing.Annealing capital equipment is annealing furnace.Annealing furnace is industrial furnace
One kind is widely used in machine components production.
Generally the product in furnace is heated by annealing furnace, eliminates internal stress, improves inside parts tissue, thus
It obtains and meets production and the industrial products using quality requirement.Traditional part collar blank processing technology are as follows: blanking-heating-
Forging-cooling-heating-annealing-cooling-sandblasting.Existing annealing furnace needs electricity consumption or natural gas to be heated twice,
To realize that bearing ring forging is annealed, the prior art energy consumption is high, part material oxidation loss is big, is unfavorable for environmental protection.
Utility model content
In view of the deficiencies of the prior art, the utility model discloses a kind of bearing ring residual temperature annealing furnaces.
Technical solution used by the utility model is as follows:
A kind of bearing ring residual temperature annealing furnace, including furnace body, thermocouple, transmission mechanism and attemperator；The installation of TC
At the top of furnace body；Transmission mechanism is mounted on the lower section of furnace body；
Furnace body includes furnace shell, hollow furnace chamber, preceding fire door and rear fire door；The first end and second end of furnace chamber offers respectively
Opening；Preceding fire door is mounted on the first end opening of furnace chamber；Fire door is mounted on the second end opening of furnace chamber afterwards；
Transmission mechanism includes support base, a plurality of delivery track, chain and gear；A plurality of delivery track is fixed on branch side by side
It supports above pedestal；On bottom plate of the gear by passing through the left and right sides that the bearing at the center of gear is separately fixed at support base；
Chain bypasses the gear of the two sides of support base and support base；Conveyer belt is laid on delivery track；
Attemperator includes the sheet metal and insulating layer for wrapping up furnace shell；The insulating layer is attached to the inside of furnace chamber.
Its further technical characteristic are as follows: preceding fire door has multiple, and the first end that multiple preceding fire doors are mounted side by side on furnace chamber is opened
Mouthful；Multiple preceding fire doors and a plurality of delivery track correspond.
Its further technical characteristic are as follows: the gear includes first gear, second gear and third gear；First gear
The left side of support base is fixed on second gear；Third gear is fixed on the right side of support base.
Its further technical characteristic are as follows: the bearing ring residual temperature annealing furnace further includes the lifting being mounted on rear fire door
Device；The lifting device includes fixed frame；Fixed frame elongated setting sliding bar vertically；One end of the sliding bar is fixed with axis
Pin, pivot pin are horizontally through the center of pulley；The other end of the sliding bar is abutted with the top of rear fire door.
Its further technical characteristic are as follows: the right end of delivery track is fixed with blanking slope.
Its further technical characteristic are as follows: the insulating layer is the high-purity ceramic fiberboard of 200mm thickness.
Its further technical characteristic are as follows: the bearing ring residual temperature annealing furnace further includes encouraging for transmission mechanism external connection
Magnetic speed regulating motor, excitation speed regulating motor sliding tooth wheel.
The beneficial effects of the utility model are as follows:
The utility model is the stress relief annealing furnace for bearing ring.The utility model does not need electricity or natural gas carries out
Second of heating, anneals merely with the residual temperature of bearing ring forging, thus it is energy saving, discharge is reduced, material damage is reduced
Consumption, energy conservation and environmental protection.
240 KWhs/ton of electricity consumption are needed using the annealing furnace of conventional anneal process, the utility model does not need electricity consumption, saves electricity
Take 192 yuan/ton；Using the utility model reduce primary heating process, save material fire consumption 0.5%, save 25 yuan of fee of material/
Ton；Shorten production cycle 1.5h/ tons.
Detailed description of the invention
Fig. 1 is the sectional view of the utility model.
Fig. 2 is the front view of the utility model.
In figure: 1, furnace shell；2, furnace chamber；31, preceding fire door；32, rear fire door；4, thermocouple；5, transmission mechanism；51, bottom is supported
Seat；52, delivery track；53, chain；54, first gear；55, second gear；56, third gear；6, attemperator；61, it keeps the temperature
Layer；7, lifting device；71, pulley；8, blanking slope.
Specific embodiment
With reference to the accompanying drawing, illustrate the specific embodiment of the present embodiment.
Fig. 1 is the sectional view of the utility model.As shown in Figure 1, a kind of bearing ring residual temperature annealing furnace, including furnace body, heat
Galvanic couple 4, transmission mechanism 5 and attemperator 6.Length direction of the thermocouple 4 along the top of furnace body is distributed vertically.Transmission mechanism 5 is pacified
Mounted in the lower section of furnace body.
Transmission mechanism 5 includes support base 51, a plurality of delivery track 52, chain 53, first gear 54,55 and of second gear
Third gear 56.Delivery track 52 is fixed on 51 top of support base.Delivery track 52 has four in the present embodiment, and chain 53 is
Flyer chain.The left side of chain 53 is equipped with first gear 54 and second gear 55, and the right side of chain 53 is equipped with third gear
56.On bottom plate of the first gear 54 by passing through the left side that the bearing at 54 center of first gear is fixed on support base 51.Second
The mounting means of gear 55 and third gear 56 with first gear 54.Chain 53 bypasses support base 51, first gear 54, second
Gear 55 and third gear 56, chain 53 surround an inverted trapezoidal, and conveyer belt is laid on delivery track 52.The two sides of chain 53
In arc-shaped.5 external connection excitation speed regulating motor of transmission mechanism.The selection of power and model to excitation speed regulating motor is ability
The common knowledge in domain can be selected and be adjusted as needed by those skilled in the art.When excitation speed regulating motor is run, Excitation Adjustment
The main shaft drives third gear 56 of speed motor is rotated around the center of third gear 56, and third gear 56 drives chain 53 to rotate, chain
The rotation of item 53 drives the operating of first gear 54 and second gear 55.The speed for adjusting third gear 56, makes transmission mechanism 5
Revolving speed can do uniform smooth variation.According to operation speed of the beat adjustment bearing ring of processing bearing ring in residual temperature annealing furnace
Degree.
Furnace body includes furnace shell 1, hollow furnace chamber 2, multiple preceding fire doors 31 and rear fire door 32.The first end of furnace chamber 2 and second
End offers opening respectively.
Fig. 2 is the front view of the utility model.In conjunction with Fig. 1, Fig. 2, in the present embodiment there are four preceding fire doors 31, four forehearths
Door 31 is mounted side by side on the first end opening of furnace chamber 2.Four preceding fire doors 31 and four delivery tracks 52 correspond.Bearing ring
It is placed on delivery track 52 and make annealing treatment avoidable bearing ring dispersion.Fire door 31 is artificial by floor push before each
Control, is put lasso in corresponding channel by operative employee after the forged spreading of bearing ring in order.Before only opening one every time
Fire door 31 effectively prevent scattering and disappearing for heat.Four bearing rings are a beat, are entered simultaneously.Afterwards fire door 32 in furnace chamber 2
Two end openings.Lifting device 7 is installed on fire door 32 afterwards.Lifting device 7 includes fixed frame.The vertical elongated setting sliding of fixed frame
Bar.The length of sliding bar and the length of fixed frame are identical.One end of sliding bar is connected with pivot pin, and pivot pin is horizontally through pulley 71
Center.Pulley 71 can be rotated around pivot pin.The other end of sliding bar is abutted with the top of rear fire door 32.Fire door 32 is at the beginning afterwards
Normally off, when bearing ring fills a furnace, lifting device 7 pulls up rear fire door 32 using pulley 71, makes at rear fire door 32
In half-open position, bearing ring is continuously come out of the stove.The right end of delivery track 52 is fixed with blanking slope 8, and bearing holder (housing, cover) irises out rear fire door
It can be slided by blanking slope 8 after 32.
Attemperator 6 includes the sheet metal and insulating layer 61 of package furnace shell 1.Insulating layer 61 is high-purity pottery of 200mm thickness
Porcelain fiberboard is attached to the side wall of furnace chamber 2 and the inside of upper wall.
Bearing ring generally stops 2~3 hours in furnace, and thermocouple 4 has multiple, the vertical insertion furnace roof of multiple thermocouples 4.
Multiple thermocouples 4 are equally spaced at the top of furnace body in the present embodiment.There is multiple thermocouples 4 arrangement of different distance to realize
Monitor the temperature in residual temperature annealing furnace.The two thermocouples 4 monitoring in-furnace temperature nearest from preceding fire door 31 is 700 DEG C, third
It is 600 DEG C that thermocouple 4, which monitors in-furnace temperature, and the 4th thermocouple 4 monitors in-furnace temperature less than 530 DEG C.Before bearing ring is come out of the stove
Temperature be 500 DEG C.
By taking the outer ring of railway bearing lasso for manufacturing model 353130B as an example, the bearing ring for preparing this model is used
Material be G20CrNi2MoA, G20CrNi2MoA is a kind of good alloy carburizing steel.Use the bearing holder (housing, cover) of the utility model
The processing process of circle are as follows: material G20CrNi2MoA enters in the forge furnace that temperature is 1180 DEG C, with stove heating
40min~60min.The temperature of material G20CrNi2MoA is heated to coming out of the stove at 1130 DEG C, is forged.Forge the axis circularized
Bearing ring blank, the residual temperature of bearing ring is 1000 DEG C at this time, and bearing ferrule blanks are entered residual temperature annealing furnace.Residual temperature annealing furnace
Thermocouple 4 monitor residual temperature temperature.The two thermocouples 4 monitoring in-furnace temperature nearest from preceding fire door 31 is 700 DEG C, third heat
It is 600 DEG C that galvanic couple 4, which monitors in-furnace temperature, and the 4th thermocouple 4 monitors in-furnace temperature less than 530 DEG C.Before bearing ring is come out of the stove
Temperature is 500 DEG C.The sheet metal and insulating layer 61 for wrapping up furnace shell 1 keep the temperature residual temperature annealing furnace.Bearing ferrule blanks are with furnace
Conveyer belt operating heat preservation 2h, is annealed using the residual temperature of bearing ring.After residual temperature is annealed, the hardness of bearing ferrule blanks reaches
210HB, which can satisfy the interior tissue of lasso and mechanical property and subsequent turnery processing etc. prepare railway bearing
The requirement of the process of lasso.Last bearing ferrule blanks are come out of the stove from the discharge port of rear fire door 32, and bearing ferrule blanks are cooled to room
Temperature.
Above description is the explanation to the utility model, is not the restriction to utility model, defined by the utility model
Range is referring to claim, and without prejudice to the basic structure of the utility model, the utility model can make any shape
The modification of formula.
Claims (7)
1. a kind of bearing ring residual temperature annealing furnace, it is characterised in that: including furnace body, thermocouple (4), transmission mechanism (5) and heat preservation
Device (6)；Thermocouple (4) is mounted on the top of furnace body；Transmission mechanism (5) is mounted on the lower section of furnace body；
Furnace body includes furnace shell (1), hollow furnace chamber (2), preceding fire door (31) and rear fire door (32)；The first end of furnace chamber (2) and
Two ends offer opening respectively；Preceding fire door (31) is mounted on the first end opening of furnace chamber (2)；Fire door (32) is mounted on furnace chamber afterwards
(2) the second end opening；
Transmission mechanism (5) includes support base (51), a plurality of delivery track (52), chain (53) and gear (54~56)；It is a plurality of
Delivery track (52) is fixed on side by side above support base (51)；Gear (54~56) passes through the center across gear (54~56)
The bearing left and right sides that is separately fixed at support base (51) bottom plate on；Chain (53) is around support base (51) and supports
The gear (54) of the two sides of pedestal (51)；Conveyer belt is laid on delivery track (52)；
Attemperator (6) includes the sheet metal and insulating layer (61) of package furnace shell (1)；The insulating layer (61) is attached to furnace chamber
(2) inside.
2. bearing ring residual temperature annealing furnace according to claim 1, it is characterised in that: preceding fire door (31) have it is multiple, it is multiple
Preceding fire door (31) is mounted side by side on the first end opening of furnace chamber (2)；Multiple preceding fire doors (31) and a plurality of delivery track (52) are one by one
It is corresponding.
3. bearing ring residual temperature annealing furnace according to claim 1, it is characterised in that: the gear (54~56) includes the
One gear (54), second gear (55) and third gear (56)；First gear (54) and second gear (55) are fixed on support bottom
The left side of seat (51)；Third gear (56) is fixed on the right side of support base (51).
4. bearing ring residual temperature annealing furnace according to claim 1, it is characterised in that: the bearing ring residual temperature annealing furnace
It further include the lifting device (7) being mounted on rear fire door (32)；The lifting device (7) includes fixed frame；Fixed frame leads to vertically
Long setting sliding bar；One end of the sliding bar is fixed with pivot pin, and pivot pin is horizontally through the center of pulley (71)；The sliding bar
The other end abutted with the top of rear fire door (32).
5. bearing ring residual temperature annealing furnace according to claim 1, it is characterised in that: the right end of delivery track (52) is fixed
There are blanking slope (8).
6. bearing ring residual temperature annealing furnace according to claim 1, it is characterised in that: the insulating layer (61) is 200mm
Thick high-purity ceramic fiberboard.
7. bearing ring residual temperature annealing furnace according to claim 1, it is characterised in that: the bearing ring residual temperature annealing furnace
It further include the excitation speed regulating motor of transmission mechanism (5) external connection, excitation speed regulating motor sliding tooth wheel (54).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821532464.7U CN208803110U (en) | 2018-09-19 | 2018-09-19 | A kind of bearing ring residual temperature annealing furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821532464.7U CN208803110U (en) | 2018-09-19 | 2018-09-19 | A kind of bearing ring residual temperature annealing furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208803110U true CN208803110U (en) | 2019-04-30 |
Family
ID=66238282
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821532464.7U Active CN208803110U (en) | 2018-09-19 | 2018-09-19 | A kind of bearing ring residual temperature annealing furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208803110U (en) |
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2018
- 2018-09-19 CN CN201821532464.7U patent/CN208803110U/en active Active
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