CN208183017U - A kind of liner annealing furnace - Google Patents
A kind of liner annealing furnace Download PDFInfo
- Publication number
- CN208183017U CN208183017U CN201820534194.7U CN201820534194U CN208183017U CN 208183017 U CN208183017 U CN 208183017U CN 201820534194 U CN201820534194 U CN 201820534194U CN 208183017 U CN208183017 U CN 208183017U
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- flue
- bell
- liner
- annealing furnace
- lower flange
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Abstract
The utility model discloses a kind of liner annealing furnaces, belong to alloy wire production equipment field, it is intended to provide a kind of liner annealing furnace with long service life, to solve the problems, such as bell vulnerable to thermal deformation, its key points of the technical solution are that, including heating furnace and it is embedded flue in heating furnace, the flue is open-topped cylindrical shape, is provided with bell at the top of the flue；Vacuum valve and charge valve are provided on the bell, the vacuum valve and charge valve are fixedly connected on bell by safety valve and are communicated with flue；It is connected between the bell and flue by locking device, the flue is provided with cooling sandwith layer close to one end of bell, and the top of the cooling sandwith layer is provided with water inlet pipe and outlet pipe, and the top of the cooling sandwith layer and bell contradict.The utility model is suitable for alloy wire production equipment.
Description
Technical field
The utility model relates to alloy wire production equipment, in particular to a kind of liner annealing furnace.
Background technique
Alloy wire needs to make annealing treatment it in production process (rolling, drawing, extruding etc.).Annealing is a kind of gold
Belong to heat treatment process, refer to for metal being heated slowly to certain temperature, keeps enough time, it is then cooling with Reasonable Speed.
Purpose is to reduce hardness, improves machinability；Residual stress is eliminated, stable dimensions reduce deformation and crackle tendency；Refinement is brilliant
Grain adjusts tissue, eliminates tissue defects.Equipment used by annealing to alloy wire is annealing furnace, and annealing furnace is by furnace
Body and a moveable bell and control system composition.Since annealing furnace needs the working environment of high temperature, to furnace body itself
It is more demanding, and annealing furnace structure at present on the market is complex, and bell is easier to temperature distortion under high temperature environment, from
And affect the service life of annealing furnace.
Utility model content
The purpose of the utility model is to provide a kind of liner annealing furnaces, have the advantages that long service life.
The above-mentioned technical purpose of the utility model has the technical scheme that
A kind of liner annealing furnace including heating furnace and is embedded flue in heating furnace, and the flue is top opening
Cylindrical shape, be provided with bell at the top of the flue；
Vacuum valve and charge valve are provided on the bell, the vacuum valve and charge valve are fixedly connected on by safety valve
It is communicated on bell and with flue；
It is connected between the bell and flue by locking device, the flue is provided with cooling folder close to one end of bell
Layer, the top of the cooling sandwith layer are provided with water inlet pipe and outlet pipe, and the top of the cooling sandwith layer and bell contradict.
It by using above-mentioned technical proposal, puts the workpiece in flue, and bell is connected to flue by locking device
On, then flue is heated by heating furnace, vacuum pumping is carried out to environment in flue by vacuum valve, passes through inflation
Argon gas is filled in flue by valve, for preventing the heated oxide of workpiece in flue from acting on；Under hot environment of the workpiece in flue
Then condensed water is passed through cooling sandwith layer by water inlet pipe, carries out cooling process by heat preservation a period of time.Since the heat in flue is empty
Gas flows up, and bell is caused to be under lasting hot environment, and cooling sandwith layer and bell contradict, so as to workpiece institute
Cool down simultaneously in environment and bell bottom environment, reduces the possibility that bell damages under thermal environment, extend making for annealing furnace
Use the service life.
Further, the locking device includes the upper flange plate for being integrally attached to bell bottom wall, and is fixedly connected on
Lower flange at the top of flue；
Uniform ring is equipped with several U-shaped interfaces one on the upper flange plate, and the opening of the U-shaped interface one is towards upper flange plate
Outside；
Uniform ring is equipped with several U-shaped interfaces two being adapted to U-shaped interface one, the U-shaped interface two on the lower flange
It is extended with U-shaped frame vertically downward, the U-shaped frame is interior to be rotatably connected to check lock lever by shaft, and the check lock lever is far from shaft
One end sequentially passes through U-shaped interface two and U-shaped interface is threaded with locking nut together.
By using above-mentioned technical proposal, when upper flange plate is abutted with lower flange, and U-shaped interface one and U-shaped interface
When two accurate contrapositions, by check lock lever by being flipped up in U-shaped frame along shaft, so that check lock lever is pierced by by the top of U-shaped interface one,
Then it is realized and is locked by locking nut, realize the close connection of bell and flue.Such mode is convenient and efficient, due to locking
Bar is rotatablely connected with U-shaped frame always, to not need to fetch components during the installation process, has saved installation steps.
Further, the lower flange is hollow structure, and the cooling sandwith layer is arranged in lower flange, the water inlet
Pipe and outlet pipe are arranged on the side wall of lower flange and communicate with cooling sandwith layer.
By using above-mentioned technical proposal, condensed water flows into cooling sandwith layer by water inlet pipe, when condensed water is full of cooling sandwith layer
It is flowed out afterwards by outlet pipe, in entire cooling process process, condensed water continuously enters outlet pipe outflow from water inlet pipe, realizes
To the cooling effect above flue.Simultaneously because water stream channel be arranged in lower flange, so as to shorten flue cooling section with
The distance between bell plays cooling effect to bell, reduces the thermal deformation of bell, further extends making for annealing furnace
Use the service life.
Further, it is fixedly connected with hangers on the outside of the locking nut, the hangers is axially parallel to check lock lever
Long axis.
By using above-mentioned technical proposal, the setting of hangers facilitates the effect of the turn to clamping screw, and when locking
When the close connection of bolt realization upper flange plate and lower flange, hangers is hooked by lifting tool, can be realized to flue
Transhipment, facilitates the movement of flue.
Further, the furnace outer wall has been fixedly and coaxially connected reinforcing ring, the reinforcement close to one end of lower flange
Ring is located at the lower section of U-shaped frame；
All U-shaped frame bottom walls are vertically fixedly connected with stiffening plate, the one end and reinforcement of the stiffening plate towards flue
Ring outer wall vertical is fixedly connected.
By using above-mentioned technical proposal, reinforcing ring plays booster action to the opening of flue, reduces the thermal change of flue
Shape amount, stiffening plate can be realized the supporting function to U-shaped frame bottom wall, and then enhance the intensity of lower flange, reduce lower flange
With the deformation quantity of U-shaped frame, the intensity of annealing furnace is improved.
Further, the furnace outer wall is equipped with limit plate close to one end of lower flange, the limit plate roof with
Stiffening plate bottom wall is vertically fixedly connected.
By using above-mentioned technical proposal, when in flue merging heating furnace, limit plate realizes the work of the limit to flue
With improving flue and heating furnace connect to facilitate the installation of flue, and flue is overlapped on heating furnace by limit plate
The stability connect reduces the generation of flue tilt phenomenon.
Further, uniform ring is equipped with several hooks on the outside of the bell.
By using above-mentioned technical proposal, in the unlatching closure of bell, lifting tool is realized by hook to bell
Folding, it is convenient and strength-saving.
Further, it is embedded at the top of the lower flange and is fixed with sealing element, the sealing element includes exterior seal ring and interior
Sealing ring, the exterior seal ring are made of heat resistant rubber, and the inner seal ring is made of asbestos packing.
By using above-mentioned technical proposal, such inner seal ring blocks partial heat, effectively reduces exterior seal ring
Aging ensure that the air-tightness and stability of annealing furnace.
Further, the pressure vacuum meter for monitoring vacuum degree in furnace is provided on the bell.
By using above-mentioned technical proposal, the setting of pressure vacuum meter facilitates the monitoring to pressure in flue.
Further, the lower flange with a thickness of 40mm, the wall thickness of the cooling sandwith layer is 15mm, the furnace wall
Thickness is 6mm.
By using above-mentioned technical proposal, material has been saved, and can satisfy the demand that flue quickly heats.
In conclusion the utility model has the following beneficial effects:
1. using cooling sandwith layer, water inlet pipe and outlet pipe, conveniently cool down to furnace inner environment to generate；
2. locking device is used, to reach close-connected effect between bell and flue；
3. sealing element is used, to have the effect of improving the air-tightness and stability of annealing furnace.
Detailed description of the invention
Fig. 1 is in the present embodiment for embodying the schematic diagram of flue Yu heating furnace matching relationship；
Fig. 2 is in the present embodiment for embodying the partial cutaway schematic of flue Yu bell connection relationship.
In figure, 1, heating furnace；2, flue；21, cooling sandwith layer；22, reinforcing ring；23, stiffening plate；24, limit plate；3, furnace
Lid；31, vacuum valve；32, charge valve；33, safety valve；34, pressure vacuum meter；35, it links up with；4, locking device；41, upper flange
Disk；411, U-shaped interface one；42, lower flange；421, U-shaped interface two；423, water inlet pipe；424, outlet pipe；43, U-shaped frame；
431, shaft；432, check lock lever；433, locking nut；434, hangers；5, sealing element；51, exterior seal ring；52, inner seal ring.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
Wherein identical components are presented with like reference characters.It should be noted that word used in the following description
Language "front", "rear", "left", "right", "up" and "down" refer to the direction in attached drawing, word " bottom surface " and " top surface ", "inner" and
"outside" refers respectively to the direction towards or away from geometric center of specific component.
A kind of liner annealing furnace, as shown in Figure 1, including heating furnace 1 and the flue 2 being embedded in heating furnace 1.Flue 2
For open-topped cylindrical shape, bell 3 is connected with by locking device 4 at the top of flue 2.3 outside uniform ring of bell is equipped with several
Hook 35.In the unlatching closure of bell 3, lifting tool realizes the folding to bell 3 by hook 35.
As shown in Figure 1, being provided with vacuum valve 31 and charge valve 32 on bell 3, vacuum valve 31 and charge valve 32 pass through safety
Valve 33 is fixedly connected on bell 3 and communicates with flue 2.Environment in flue 2 is vacuumized by the realization of vacuum valve 31
The inert gases such as argon gas or helium, are filled in flue 2, for preventing the oxidation of workpiece in flue 2 by operation by charge valve 32.
The pressure vacuum meter 34 for monitoring vacuum degree in furnace is additionally provided on bell 3.
As shown in Fig. 2, locking device 4 includes the upper flange plate 41 for being integrally attached to 3 bottom wall of bell, and it is fixedly connected on
The lower flange 42 at 2 top of flue.Uniform ring is equipped with several U-shaped interfaces 1 on upper flange plate 41, and U-shaped interface 1 is opened
Mouthful towards the outside of upper flange plate 41.Uniform ring is equipped with several U-shaped interfaces being adapted to U-shaped interface 1 on lower flange 42
2 421, U-shaped interface 2 421 is extended with U-shaped frame 43 vertically downward, passes through shaft 431 in U-shaped frame 43 and is rotatably connected to check lock lever
432, check lock lever 432 sequentially passes through U-shaped interface 2 421 and U-shaped interface 1 far from one end of shaft 431 and is threaded with
Locking nut 433.Hangers 434, the length for being axially parallel to check lock lever 432 of hangers 434 are fixedly connected on the outside of locking nut 433
Axis.
Sealing element 5 is fixed with as shown in Fig. 2, being embedded at the top of lower flange 42.Sealing element 5 includes exterior seal ring 51 and Nei Mi
Seal 52, exterior seal ring 51 are made of heat resistant rubber, and inner seal ring 52 is made of asbestos packing.Inner seal ring 52 blocks portion in this way
Divide heat, effectively reduces the aging of exterior seal ring 51, ensure that the air-tightness and stability of annealing furnace.
As shown in Fig. 2, flue 2 is provided with cooling sandwith layer 21 close to one end of bell 3, cooling sandwith layer 21 is arranged in lower flange
In disk 42, the water inlet pipe 423 communicated with cooling sandwith layer 21 and outlet pipe 424(are provided on the side wall of lower flange 42 referring to figure
1).Condensed water flows into cooling sandwith layer 21 by water inlet pipe 423, after condensed water is full of cooling sandwith layer 21, is flowed out by outlet pipe 424.
In entire cooling process process, condensed water continuously enters outlet pipe 424 from water inlet pipe 423 and flows out, and realizes on flue 2
The cooling effect of side is made simultaneously because cooling sandwith layer 21 is arranged in lower flange 42 to play certain cooling to bell 3
With reducing the thermal deformation of bell 3.
As shown in Fig. 2, 2 outer wall of flue has been fixedly and coaxially connected reinforcing ring 22, reinforcing ring close to one end of lower flange 42
22 are located at the lower section of U-shaped frame 43.The limit plate 24 for being arranged below reinforcing ring 22 and being coaxially fixed on 2 outer wall of flue.Limit plate
Be fixedly connected between 24 and reinforcing ring 22 with stiffening plate 23, the roof of stiffening plate 23 is vertical with the bottom wall of U-shaped frame 43 to be fixedly connected.
Reinforcing ring 22 plays booster action to the opening of flue 2, and stiffening plate 23 can be realized the supporting function to 43 bottom wall of U-shaped frame.
When flue 2 is placed in heating furnace 1, limit plate 24 realizes the position-limiting action to flue 2, to facilitate the installation of flue 2.
As shown in Fig. 2, in the present embodiment, lower flange 42 with a thickness of 40mm, the wall thickness of cooling sandwith layer 21 is 15mm, under
Ring flange 42 is able to satisfy the intensity requirement of its own providing again while cooling effect.2 wall thickness of flue is 6mm, so as to
Energy consumption is reduced, can be realized to 2 inner space of flue and be rapidly heated.
Specific implementation process:
Alloy wire is placed in flue 2, hook 35 is then hooked by lifting tool, bell 3 is transported to flue 2 and is pushed up
Portion, and upper flange plate 41 is abutted with 42 accurate contraposition of lower flange, by check lock lever 432 from U-shaped frame 43 along shaft 431 to
Upper overturning, so that check lock lever 432 is passed through by the top of U-shaped interface 1, then precession locking nut 433 realizes bell 3 and furnace
The close connection of gallbladder 2.Hangers 434 is hooked by lifting tool, flue 2 is transported in heating furnace 1.
Vacuum valve 31 on bell 3 is connected to external vacuum evacuation device, is carried out by controlling vacuum evacuation device in furnace
Vacuumize process.In high vacuum state, flue 2 is heated by heating furnace 1, until reaching preset temperature, is then shut off
Vacuum valve 31 opens charge valve 32, dry high-purity argon gas is filled with into furnace, and with pressure vacuum meter 34 to gas pressure in flue 2
Power is set, and when furnace pressure is raised to scheduled pressure value, closes charge valve 32.When in-furnace temperature being made to keep the temperature certain
Between, realize the heat treatment to workpiece in furnace.After heat preservation, stops the heating of heating furnace 1, process is begun to cool, by condensed water
It is passed through cooling sandwith layer 21 by water inlet pipe 423, is cooled down with environment in flue 2, bell 3 is opened after the completion of cooling and is come out of the stove.
This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability
Field technique personnel can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but
As long as all by the protection of Patent Law in the scope of the claims of the utility model.
Claims (10)
1. a kind of liner annealing furnace, including heating furnace (1) and the flue (2) being embedded in heating furnace (1), the flue (2)
For open-topped cylindrical shape, flue (2) top is provided with bell (3)；
It is characterized in that: vacuum valve (31) and charge valve (32) are provided on the bell (3), the vacuum valve (31) and charge valve
(32) it is fixedly connected on bell (3) and is communicated with flue (2) by safety valve (33)；
It is connect between the bell (3) and flue (2) by locking device (4), the one end of the flue (2) close to bell (3)
It is provided with cooling sandwith layer (21), the top of the cooling sandwith layer (21) is provided with water inlet pipe (423) and outlet pipe (424), described
The top and bell (3) of cooling sandwith layer (21) contradict.
2. a kind of liner annealing furnace according to claim 1, it is characterized in that: the locking device (4) includes integrally connecting
The upper flange plate (41) in bell (3) bottom wall is connect, and is fixedly connected on the lower flange (42) at the top of flue (2)；
Uniform ring is equipped with several U-shaped interfaces one (411), the opening court of the U-shaped interface one (411) on the upper flange plate (41)
To the outside of upper flange plate (41)；
Uniform ring is equipped with several U-shaped interfaces two (421) being adapted to U-shaped interface one (411) on the lower flange (42), described
U-shaped interface two (421) is extended with U-shaped frame (43) vertically downward, is rotatably connected in the U-shaped frame (43) by shaft (431)
Check lock lever (432), the check lock lever (432) sequentially pass through U-shaped interface two (421) and U-shaped interface far from the one end of shaft (431)
One (411) are simultaneously threaded with locking nut (433).
3. a kind of liner annealing furnace according to claim 2, it is characterized in that: the lower flange (42) is hollow knot
Structure, in lower flange (42), the water inlet pipe (423) and outlet pipe (424) are arranged under for cooling sandwith layer (21) setting
It is communicated on the side wall of ring flange (42) and with cooling sandwith layer (21).
4. a kind of liner annealing furnace according to claim 3, it is characterized in that: fixed on the outside of the locking nut (433)
It is connected with hangers (434), the long axis for being axially parallel to check lock lever (432) of the hangers (434).
5. a kind of liner annealing furnace according to claim 4, it is characterized in that: the flue (2) outer wall is close to lower flange
One end of disk (42) has been fixedly and coaxially connected reinforcing ring (22), and the reinforcing ring (22) is located at the lower section of U-shaped frame (43)；
All U-shaped frame (43) bottom walls are vertically fixedly connected with stiffening plate (23), and the stiffening plate (23) is towards flue (2)
One end is fixedly connected with reinforcing ring (22) outer wall vertical.
6. a kind of liner annealing furnace according to claim 5, it is characterized in that: the flue (2) outer wall is close to lower flange
One end of disk (42) is equipped with limit plate (24), and limit plate (24) roof is vertical with stiffening plate (23) bottom wall to be fixedly connected.
7. a kind of liner annealing furnace according to claim 6, it is characterized in that: uniform ring is equipped on the outside of the bell (3)
Several hooks (35).
8. a kind of liner annealing furnace according to claim 7, it is characterized in that: being embedded at the top of the lower flange (42) solid
Surely have sealing element (5), the sealing element (5) includes exterior seal ring (51) and inner seal ring (52), and the exterior seal ring (51) is
Heat resistant rubber is made, and the inner seal ring (52) is made of asbestos packing.
9. a kind of liner annealing furnace according to claim 8, it is characterized in that: being provided on the bell (3) for supervising
Survey the pressure vacuum meter (34) of vacuum degree in furnace.
10. a kind of liner annealing furnace according to claim 9, it is characterized in that: the lower flange (42) with a thickness of
40mm, the wall thickness of the cooling sandwith layer (21) are 15mm, and flue (2) wall thickness is 6mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820534194.7U CN208183017U (en) | 2018-04-13 | 2018-04-13 | A kind of liner annealing furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820534194.7U CN208183017U (en) | 2018-04-13 | 2018-04-13 | A kind of liner annealing furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208183017U true CN208183017U (en) | 2018-12-04 |
Family
ID=64433676
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820534194.7U Active CN208183017U (en) | 2018-04-13 | 2018-04-13 | A kind of liner annealing furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208183017U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114525387A (en) * | 2022-04-08 | 2022-05-24 | 佛山市明富兴金属材料有限公司 | Magnetic core vacuum heat treatment device and process |
-
2018
- 2018-04-13 CN CN201820534194.7U patent/CN208183017U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114525387A (en) * | 2022-04-08 | 2022-05-24 | 佛山市明富兴金属材料有限公司 | Magnetic core vacuum heat treatment device and process |
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