CN208430203U - A kind of roller-bottom type medium temperature heat-treatment furnace - Google Patents
A kind of roller-bottom type medium temperature heat-treatment furnace Download PDFInfo
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- CN208430203U CN208430203U CN201821141855.6U CN201821141855U CN208430203U CN 208430203 U CN208430203 U CN 208430203U CN 201821141855 U CN201821141855 U CN 201821141855U CN 208430203 U CN208430203 U CN 208430203U
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Abstract
A kind of roller-bottom type medium temperature heat-treatment furnace provided by the utility model, including roller bottom furnace body, feeding roller table mechanism and delivery roller table mechanism, in which: the furnace binding frame inner wall of roller bottom furnace body is equipped with furnace body compound Lining；The inside of furnace body compound Lining is equipped with electric heater unit in furnace；The feed side of furnace binding frame is arranged in feeding furnace door, controls its opening and closing by feeding furnace door elevating mechanism；The exit side of furnace binding frame is arranged in discharging door, controls its opening and closing by discharging door elevating mechanism；The outside of furnace binding frame is arranged in roll table transmission device, for controlling the transmission that the furnace rolls road of roller bottom furnace body intracavity bottom is arranged in.Compared to existing roller hearth heat-treated furnace, roller-bottom type medium temperature heat-treatment furnace provided by the utility model uses composite lining structure and roller-way Synchronization Design, has many advantages, such as that heat-insulating property is excellent, thermal loss is small, long service life, thermal treatment quality are high.
Description
Technical field
The utility model relates to a kind of heat-treatment furnace, in particular to a kind of roller hearth heat-treated furnace belongs to heat treatment technics
Field.
Background technique
In the industrial production, heat treatment is to be placed on metal material in certain medium heat, keep the temperature, is cooling, by changing
Become the metallurgical structure of material surface or inside, to control a kind of metal heat processing technique of its performance, including normalizing, quenches
Several heat treatment process processes such as fire, tempering, annealing.The necessaries of heat treatment process are exactly heat-treatment furnace.At present in majority
Heat treatment department, the heat treatment of workpiece all realized using roller hearth heat-treated furnace.Existing roller hearth heat-treated furnace
Generally using furnace bottom is the furnace lining structure of fibre module for high-strength castable, side wall and furnace roof, although initial stage can satisfy
Heat-insulation and heat-preservation requirement, but can occur that furnace body surface temperature rise is high, thermal loss is big after being used for a long time because of the deformation of furnace lining
Disadvantage；Although in addition thermal field is equipped with subregion temperature control to guarantee that furnace temperature is uniform in furnace, the rotation of furnace rolls road is asynchronous, causes furnace
Interior roller-way deforms due to uneven heating when high temperature, and service life of equipment is short, and then causes the heat treatment qualification rate of workpiece low.
Utility model content
The purpose of the utility model is to overcome the deficiencies in the prior art, provide a kind of heat-insulating property is excellent, thermal loss is small,
The high roller-bottom type medium temperature heat-treatment furnace of roller-way Synchronization Design, long service life, thermal treatment quality.
The technical scheme adopted by the utility model is
The utility model provides a kind of roller-bottom type medium temperature heat-treatment furnace, including roller bottom furnace body, setting in roller bottom furnace body
The feeding roller table mechanism of upstream process and the delivery roller table mechanism that roller bottom furnace body downstream process is set；
Roller bottom furnace body includes furnace binding frame, furnace body compound Lining, feeding furnace door, feeding furnace door elevator
Structure, discharging door, discharging door elevating mechanism, electric heater unit and roll table transmission device in furnace；The furnace binding frame
Inner wall is equipped with furnace body compound Lining；The inside of the furnace body compound Lining is equipped with electric heater unit in furnace；The feeding furnace door is set
The feed side in furnace binding frame is set, its opening and closing is controlled by feeding furnace door elevating mechanism；The discharging door is arranged in furnace
The exit side of body steel structure frame controls its opening and closing by discharging door elevating mechanism；The roll table transmission device is arranged in furnace body
The outside of steel structure frame, for controlling the transmission that the furnace rolls road of the roller bottom furnace body intracavity bottom is arranged in.
Optionally, the furnace binding frame is welded by fashioned iron, and the furnace body compound Lining is mounted on the furnace
On the inside of body steel structure frame, including side wall, furnace bottom and furnace roof；Lower part and the furnace of furnace roof is arranged in electric heater unit in the furnace
The top at bottom.
Optionally, the feeding furnace door elevating mechanism includes first pulley group and the first power step-down gear；Described first is sliding
Wheel group is connected by first sleeve roller chain with feeding furnace door, is mounted in feeding furnace door upper bracket；First power
Speed reducer is mounted on the top of furnace binding frame feed side.
Optionally, the discharging door elevating mechanism includes second pulley group and the second power step-down gear；Described second is sliding
Wheel group is connected by second sleeve roller chain with discharging door, is mounted in discharging door upper bracket；Second power
Speed reducer is mounted on the top of furnace binding frame exit side.
Optionally, electric heater unit includes radiant tube in the furnace, and the radiant tube includes that protection sleeve pipe and setting are being protected
The surface of electrical heating elements inside protecting pipe, the protection sleeve pipe is equipped with several fine and closely woven points.
Optionally, rotation is equipped on the roller-way in the furnace rolls road, feeding roller table mechanism and delivery roller table mechanism to compile
Code device, the synchronization of the roller-way group for guaranteeing to be made of the roller-way in furnace rolls road, feeding roller table mechanism and delivery roller table mechanism
Linking.
Optionally, roller bottom furnace body further includes proficiency shaking tray mechanism of car, the hand cranking mechanism and furnace rolls road
It is connected, for guaranteeing coming out of the stove for workpiece by hand cranking mechanism under electrical fault conditions.
Optionally, feeding roller table institutional framework bottom is equipped with walking mechanism, and the level for feeding roller table mechanism is moved
It is dynamic.
Optionally, delivery roller table institutional framework bottom is equipped with scissors lift mechanism, for delivery roller table mechanism
Adjustable height is adjusted.
Optionally, delivery roller table mechanism two sides are equipped with hydraulic alignment means, alignment and centering for workpiece, really
Protecting workpiece can smoothly enter into milling train assistance for lifting roller-way.
The beneficial effects of the utility model are:
Roller-bottom type medium temperature heat-treatment furnace provided by the utility model, by using the composite lining structure of globality, resistance to height
It is warm and indeformable, heat preservation and insulation is strengthened, thermal loss is reduced；Furnace rolls road, feeding roller table mechanism and discharge roller
Be equipped with rotary encoder on roller-way in road mechanism, ensure that the synchronous operation of roller-way group, make furnace rolls road be heated evenly and
It is indeformable, meet and be used for a long time, and improves the heat treatment qualification rate of workpiece.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of roller-bottom type medium temperature heat-treatment furnace provided by the utility model；
Fig. 2 is the schematic plan of roller-bottom type medium temperature heat-treatment furnace shown in FIG. 1；
Fig. 3 be in Fig. 1 A-A to schematic cross-sectional view.
Numeral mark in attached drawing is respectively:
1, feeding roller table mechanism；11, walking mechanism；12, block；2, roller bottom furnace body；21, furnace binding frame；22,
Furnace body compound Lining；221, side wall；222, furnace bottom；223, furnace roof；23, feeding furnace door elevating mechanism；231, feeding furnace door；24,
Discharging door elevating mechanism；241, discharging door；25, electric heater unit in furnace；251, radiant tube；26, roll table transmission device；
261, furnace rolls road；3, delivery roller table mechanism；31, scissors lift mechanism；32, delivery roller table；4, hydraulic alignment means；5, it rolls
Machine assistance for lifting roller-way.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawings and detailed description.
As shown in figures 1 and 3, a kind of roller-bottom type medium temperature heat-treatment furnace, including roller bottom furnace body 2, setting are in roller bottom furnace sheet
The feeding roller table mechanism 1 of 2 upstream process of body and the delivery roller table mechanism 3 that furnace body 2 downstream process in roller bottom is set；
Roller bottom furnace body 2 includes furnace binding frame 21, furnace body compound Lining 22, feeding furnace door 231, feeding furnace door liter
Descending mechanism 23, discharging door 241, discharging door elevating mechanism 24, electric heater unit 25 and roll table transmission device 26 in furnace；Furnace body
21 inner wall of steel structure frame is equipped with furnace body compound Lining 22；The inside of furnace body compound Lining 22 is equipped with electric heater unit 25 in furnace；
The feed side of furnace binding frame 21 is arranged in feeding furnace door 231, controls its opening and closing by feeding furnace door elevating mechanism 23；Discharging
The exit side of furnace binding frame 21 is arranged in fire door 241, controls its opening and closing by discharging door elevating mechanism 24；Roller-way transmission
The outside of furnace binding frame 21 is arranged in device 26, for controlling the furnace rolls that 2 intracavity bottom of roller bottom furnace body is arranged in
The transmission in road 261.
In a preferred embodiment, furnace binding frame 21 is welded by fashioned iron, and furnace body compound Lining 22 is pacified
It is as shown in Figure 3 mounted in 21 inside of furnace binding frame, including side wall 221, furnace bottom 222 and furnace roof 223()；Electric heating fills in furnace
Set the top of lower part and furnace bottom 222 that 25 are arranged in furnace roof 223.Specifically, side wall 221 uses special nonstandard roll neck brick, spy
It makes nonstandard radiation pore brick, light fire brick, fiberboard to be composed, brick wall is with a thickness of 232mm, fiberboard overall thickness
300mm, furnace wall overall thickness are 532mm；Micropore calcium silicate board with microporous, ultralight insulating brick, lightweight is successively respectively adopted in furnace bottom 222 from the bottom up
Poly- light brick, special nonstandard radiation conduit saddle brick and heavy clay brick etc. form composite furnace bottom liner, meet load-bearing and the heat insulating ability of furnace bottom；
Furnace roof 223 uses fibre structure, overall thickness 350mm, respectively " 2 × 25mm thickness tiling tapetum fibrosum+300mm thick fiber mould
Block " structure, fibre module are that can use under 1100 DEG C of high temperature for a long time containing high-purity fibre module, and fibre module uses heat resisting steel
Anchoring piece is fixed on furnace shell steel plate, and anchoring piece material is 1Cr18Ni9Ti.This furnace lining structure feature is that amount of stored heat is small, heats up
Speed is fast, heat insulation property is good, can reduce the heat loss in furnace, improve energy-saving effect, while can effectively reduce furnace body surface
Temperature rise improves working environment.
As shown in Figure 1, feeding furnace door elevating mechanism 23 includes first pulley group and the first power step-down gear；First pulley group
It is connected by first sleeve roller chain with feeding furnace door 231, is mounted in 231 upper bracket of feeding furnace door；First power subtracts
Fast machine is mounted on the top of 21 feed side of furnace binding frame；When the operation of the first power step-down gear, power passes sequentially through the
One pulley blocks, first sleeve roller chain, feeding furnace door 231 are transmitted, to realize the opening and closing of feeding furnace door 231.
As shown in Figure 1, discharging door elevating mechanism 24 includes second pulley group and the second power step-down gear；Second pulley group
It is connected by second sleeve roller chain with discharging door 241, is mounted in 241 upper bracket of discharging door；Second power subtracts
Fast machine is mounted on the top of 21 exit side of furnace binding frame；When the operation of the second power step-down gear, power passes sequentially through the
Two pulley blocks, second sleeve roller chain, discharging door 241 transmit, to realize the opening and closing of discharging door 241.
When roller bottom furnace is in non-input and output material state, feeding furnace door 231 and discharging door 241 are in close state always.
When charging, feeding furnace door 231 is opened, and when discharging, discharging door 241 is opened.
As shown in figures 1 and 3, in furnace electric heater unit 25 include radiant tube 251, radiant tube 251 include protection sleeve pipe and
Electrical heating elements inside protection sleeve pipe are set, and protection sleeve pipe is centrifugal casting pipe, and surface is equipped with several fine and closely woven points, can
Increase the fastness of radiant tube and distributes the uniformity of heat；Radiant tube 251, which is enclosed in electrical heating elements in protection sleeve pipe, to be led to
Electricity fever, is indirectly radiated heat to furnace lining and processed workpiece by casing；Electrical heating elements are using Shoudu Iron and Steel Co HRE series of high temperature electricity
Heat seal spun gold is made, and 1400 DEG C of maximum operation (service) temperature, has the characteristics that high temperature resistant, anti-oxidant, long service life.
It is equipped with rotary encoder on roller-way in furnace rolls road 261, feeding roller table mechanism 1 and delivery roller table mechanism 3, is used
In the synchronous rank for the roller-way group for guaranteeing to be made of the roller-way in furnace rolls road 261, feeding roller table mechanism 1 and delivery roller table mechanism 3
It connects, is heated evenly furnace rolls road 261 and indeformable, satisfaction long-time service, and improve the heat treatment qualification rate of workpiece.Separately
Outside, 261 power point of furnace rolls road is equipped with two sets of transmission mechanism of high, low speed, and motor is frequency control；Two sets of motor transmission mechanisms are equal
It is connect using electromagnetic clutch with gear-box, then the mechanical synchronization dress for passing through the compositions such as transmission shaft, shaft coupling, bevel gear reversing machine
It sets and power synchronous is transferred on every group of transmission chain；Main motion is low-speed running, and variable ratio frequency changer speed regulation realizes workpiece in furnace just
Often operation and the operation of positive and negative rotation reciprocally swinging, secondary to operate to quick operation, the disengaging furnace of workpiece is realized in variable ratio frequency changer speed regulation.
Roller bottom furnace body 2 further includes proficiency shaking tray mechanism of car, and hand cranking mechanism is connected with furnace rolls road 261, is used for
Coming out of the stove for workpiece is guaranteed by hand cranking mechanism under electrical fault conditions, prevents the bending in furnace rolls road 261.
As shown in Figure 1,1 base of frame of feeding roller table mechanism is equipped with walking mechanism 11, the level for feeding roller table mechanism 1
It is mobile；In the charging of roller bottom furnace, feeding roller table mechanism 1 can be moved to roller bottom furnace by early work level as feeding furnace door 231 rises
It moves to block 12；After the completion of charging, feeding roller table mechanism 1 can make water far from roller bottom furnace as feeding furnace door 231 declines
Flat to be moved to initial position, waiting is fed next time.
As shown in Figure 1,3 base of frame two sides of delivery roller table mechanism are equipped with scissors lift mechanism 31, it to be used for delivery roller table
The adjustable height of mechanism 3 is adjusted；At roller bottom when furnace discharge, delivery roller table mechanism 3 can be with the rise of discharging door 241 and along vertical
Direction rises to 32 upper surface of delivery roller table and until 261 upper surface of furnace rolls road is in same level；After the completion of discharging, out
Material roller-way mechanism 3 can vertically drop to initial position as discharging door 241 declines, and waiting discharges next time.
As depicted in figs. 1 and 2,3 two sides of delivery roller table mechanism are equipped with hydraulic alignment means 4, for workpiece alignment with
Centering, it is ensured that workpiece can smoothly enter into milling train assistance for lifting roller-way 5；It comes out of the stove and is run to delivery roller table mechanism 3 when workpiece completion, it is hydraulic
Alignment means 4 start, and drive side push pedal to make workpiece alignment and centering by hydraulic cylinder.
The roller-bottom type medium temperature heat-treatment furnace can lower than 950 DEG C at a temperature of run steadily in the long term.
The above, only a kind of embodiment of the utility model, but the protection scope of the utility model is not limited to
In this, anyone skilled in the art within the technical scope disclosed by the utility model, the change that can be readily occurred in
Change or replace, should be covered within the scope of the utility model.Therefore, the protection scope of the utility model should be with described
Subject to scope of protection of the claims.
Claims (10)
1. a kind of roller-bottom type medium temperature heat-treatment furnace including roller bottom furnace body (2), is arranged in roller bottom furnace body (2) upstream process
Feeding roller table mechanism (1) and setting roller bottom furnace body (2) downstream process delivery roller table mechanism (3), it is characterized in that: the roller
Bottom furnace body (2) includes furnace binding frame (21), furnace body compound Lining (22), feeding furnace door (231), feeding furnace door lifting
Mechanism (23), discharging door (241), discharging door elevating mechanism (24), electric heater unit (25) and roll table transmission device in furnace
(26)；Furnace binding frame (21) inner wall is equipped with furnace body compound Lining (22)；The furnace body compound Lining (22) it is interior
Portion is equipped with electric heater unit (25) in furnace；The feed side in furnace binding frame (21) is arranged in the feeding furnace door (231), by
Feeding furnace door elevating mechanism (23) controls its opening and closing；Discharging door (241) setting the going out in furnace binding frame (21)
Expect side, its opening and closing is controlled by discharging door elevating mechanism (24)；The roll table transmission device (26) is arranged in furnace binding frame
The outside of frame (21), for controlling setting in the transmission in the furnace rolls road (261) of the roller bottom furnace body (2) intracavity bottom.
2. roller-bottom type medium temperature heat-treatment furnace according to claim 1, it is characterized in that: the furnace binding frame (21) by
Fashioned iron is welded, and the furnace body compound Lining (22) is mounted on the inside of the furnace binding frame (21), including side wall
(221), furnace bottom (222) and furnace roof (223)；The lower part in furnace roof (223) and furnace is arranged in electric heater unit (25) in the furnace
The top at bottom (222).
3. roller-bottom type medium temperature heat-treatment furnace according to claim 1, it is characterized in that: the feeding furnace door elevating mechanism (23)
Including first pulley group and the first power step-down gear；The first pulley group passes through first sleeve roller chain and feeding furnace door
(231) it is connected, is mounted in feeding furnace door (231) upper bracket；First power step-down gear is mounted on furnace binding
The top of frame (21) feed side.
4. roller-bottom type medium temperature heat-treatment furnace according to claim 1, it is characterized in that: the discharging door elevating mechanism (24)
Including second pulley group and the second power step-down gear；The second pulley group passes through second sleeve roller chain and discharging door
(241) it is connected, is mounted in discharging door (241) upper bracket；Second power step-down gear is mounted on furnace binding
The top of frame (21) exit side.
5. roller-bottom type medium temperature heat-treatment furnace according to claim 1 or 2, it is characterized in that: electric heater unit in the furnace
It (25) include radiant tube (251), the radiant tube (251) includes protection sleeve pipe and the electric heating being arranged in inside protection sleeve pipe member
The surface of part, the protection sleeve pipe is equipped with several fine and closely woven points.
6. roller-bottom type medium temperature heat-treatment furnace according to claim 1, it is characterized in that: the furnace rolls road (261), feed roller
Be equipped with rotary encoder on roller-way in road mechanism (1) and delivery roller table mechanism (3), for guarantee by furnace rolls road (261),
The synchronous linking for the roller-way group that roller-way in feeding roller table mechanism (1) and delivery roller table mechanism (3) is constituted.
7. roller-bottom type medium temperature heat-treatment furnace according to claim 1, it is characterized in that: roller bottom furnace body (2) further includes
Proficiency shaking tray mechanism of car, the hand cranking mechanism are connected with furnace rolls road (261), for passing through under electrical fault conditions
Hand cranking mechanism guarantees coming out of the stove for workpiece.
8. roller-bottom type medium temperature heat-treatment furnace according to claim 1, it is characterized in that: the feeding roller table mechanism (1) frame
Bottom is equipped with walking mechanism (11), for moving horizontally for feeding roller table mechanism (1).
9. roller-bottom type medium temperature heat-treatment furnace according to claim 1, it is characterized in that: the delivery roller table mechanism (3) frame
Bottom is equipped with scissors lift mechanism (31), and the adjustable height for delivery roller table mechanism (3) is adjusted.
10. according to claim 1 or roller-bottom type medium temperature heat-treatment furnace described in 9, it is characterized in that: the delivery roller table mechanism (3)
Two sides are equipped with hydraulic alignment means (4), alignment and centering for workpiece, it is ensured that workpiece can smoothly enter into milling train assistance for lifting roller
Road (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821141855.6U CN208430203U (en) | 2018-07-19 | 2018-07-19 | A kind of roller-bottom type medium temperature heat-treatment furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821141855.6U CN208430203U (en) | 2018-07-19 | 2018-07-19 | A kind of roller-bottom type medium temperature heat-treatment furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208430203U true CN208430203U (en) | 2019-01-25 |
Family
ID=65097217
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821141855.6U Active CN208430203U (en) | 2018-07-19 | 2018-07-19 | A kind of roller-bottom type medium temperature heat-treatment furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208430203U (en) |
-
2018
- 2018-07-19 CN CN201821141855.6U patent/CN208430203U/en active Active
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