CN109487066A - A kind of lid leak tight structure of air-quenching furnace - Google Patents
A kind of lid leak tight structure of air-quenching furnace Download PDFInfo
- Publication number
- CN109487066A CN109487066A CN201710820630.7A CN201710820630A CN109487066A CN 109487066 A CN109487066 A CN 109487066A CN 201710820630 A CN201710820630 A CN 201710820630A CN 109487066 A CN109487066 A CN 109487066A
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- CN
- China
- Prior art keywords
- bell
- furnace body
- outer ring
- ring
- furnace
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/0006—Details, accessories not peculiar to any of the following furnaces
- C21D9/0025—Supports; Baskets; Containers; Covers
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Furnace Details (AREA)
- Furnace Housings, Linings, Walls, And Ceilings (AREA)
Abstract
The present invention relates to pressure furnace body production field more particularly to a kind of lid leak tight structures of air-quenching furnace, the furnace body including bell and set on bell side, due to being provided with clamp ring, by furnace body and bell clamping, so that furnace body is able to bear biggish pressure, and there is preferable sealing effect.
Description
Technical field
The present invention relates to pressure furnace body production field more particularly to a kind of lid leak tight structures of air-quenching furnace.
Background technique
Air-quenching furnace is mainly used in high-speed steel, tool steel, mould steel, the high pressure gas quenching of the materials such as structural alloy steel, in gas
It quenches and realizes the quenching to workpiece by being quickly cooled down workpiece in air-quenching furnace full of nitrogen in furnace.It is in existing air quenching to fill more
Full high pressure nitrogen, and air-quenching furnace needs to be arranged bell or opens the door and passes in and out for workpiece to be quenched, it is therefore desirable to can open, be closed
Bell be sealed processing, conventional sealing structure sealing effect is poor, and not high pressure resistant.
Summary of the invention
The technical problem to be solved by the present invention is to overcome the deficiencies in the prior art, a kind of furnace of air-quenching furnace is provided
Lid sealing structure.
The present invention is to be achieved by the following technical programs:
A kind of lid leak tight structure of air-quenching furnace, the furnace body including bell and set on bell side, wherein
The furnace body includes the outer barrel of inner cylinder and ring set inner cylinder, and the furnace body is welded at it close to bell one end
Furnace body outer ring；
The bell includes outer cover and the inner cap body on the inside of outer cover, the bell its welded close to furnace body one end
There is bell outer ring, the periphery around bell outer ring is uniformly provided with multiple first resigning recesses；
There is the clamp ring of furnace body and bell locking card on the outside of the furnace body outer ring and bell outer ring, the clamp ring is cylinder
Shape and inner wall both ends have annular inner convex platform, and the annular inner convex platform close to bell side is provided with to be allowed with the first of bell outer ring
Position notch position and the corresponding multiple second resigning recesses of shape, the clamp ring are uniformly provided with multiple pulleys along its ring week
Hole, the pulley hole is interior to be arranged pulley, and the pulley is in contact with bell external margin, and pulley is slided along bell excircle.
The furnace body outer ring include side furnace body outer ring palette portion and be set to furnace body outer ring palette portion opposite side
Inner cylinder weld part, outer barrel weld part, the inner cylinder weld part and inner cylinder end weld, the outer barrel weld part
It is welded with outer barrel end.
The bell outer ring include side bell outer ring palette portion and be set to bell outer ring palette portion opposite side
Inner cap body weld part, outer cover weld part, the inner cap body weld part and inner cap body end weld, the outer cover weld part
It is welded with outer cover end, is provided with sealing ring card slot in the middle part of the bell outer ring palette portion.
The wheel shaft both ends of the pulley are respectively fixedly connected with the annular inner convex platform in clamp ring two sides.
The bell is driven by bell driving mechanism, and the bell driving mechanism includes being fixed on the support of furnace body side
Platform, the actuating arm for being fixed on the driving motor of supporting table and being connect with driving motor, described actuating arm one end driving motor it is defeated
Shaft is affixed, is articulated and connected on the outside of the actuating arm other end and bell.
The beneficial effects of the present invention are:
Due to being provided with clamp ring, by furnace body and bell clamping so that furnace body is able to bear biggish pressure, and with compared with
Good sealing effect.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention.
Fig. 2 is external structure schematic diagram of the invention.
Fig. 3 is side structural schematic diagram of the invention.
Fig. 4 is top bell junction structural schematic diagram of the invention.
Fig. 5 is clamp ring main view of the invention.
Fig. 6 is clamp ring rearview of the invention.
Fig. 7 is clamp ring side view of the invention.
Fig. 8 is clamp ring cross section structure figure of the invention.
In figure: 1. bells, 2. furnace bodies, 3. inner cylinders, 4. outer barreies, 5. furnace body outer rings, 6. inner cylinder weld parts, 7. outer cylinders
Body weld part, 8. outer covers, 9. inner cap bodies, 10. bell outer rings, 11. first resigning recesses, 12. inner cap body weld parts, outside 13.
Lid weld part, 14. sealing ring card slots, 15. clamp rings, 16. annular inner convex platforms, 17. second resigning recesses, 18. pulleys, 19.
Wheel shaft, 20. limit card boards, 21. supporting tables, 22. driving motors, 23. actuating arms.
Specific embodiment
In order to make those skilled in the art more fully understand technical solution of the present invention, with reference to the accompanying drawing and most
The present invention is described in further detail for good embodiment.
As shown, the present invention includes bell 1 and the furnace body 2 set on bell side, wherein
The furnace body includes the outer barrel 4 of inner cylinder 3 and ring set inner cylinder, and the furnace body is welded at it close to bell one end
There is furnace body outer ring 5；
Preferably, furnace body outer ring include side furnace body outer ring palette portion and be set to furnace body outer ring palette portion pair
Inner cylinder weld part 6, the outer barrel weld part 7 of side, the inner cylinder weld part and inner cylinder end are welded, the outer barrel weldering
Socket part and outer barrel end are welded.Inner cylinder and outer barrel are fixed by being welded in the realization of furnace body outer ring.
The bell includes outer cover 8 and the inner cap body 9 on the inside of outer cover, the bell its welded close to furnace body one end
It is connected to bell outer ring 10, the periphery around bell outer ring is uniformly provided with multiple first resigning recesses 11；
Preferably, bell outer ring include side bell outer ring palette portion and be set to bell outer ring palette portion pair
Inner cap body weld part 12, the outer cover weld part 13 of side, the inner cap body weld part and inner cap body end are welded, the outer cover
Weld part and outer cover end are welded, and are provided with sealing ring card slot 14 in the middle part of the bell outer ring palette portion.Inner cap body and outer
Lid realizes fixation by being welded in bell outer ring.Card has sealing ring in sealing ring card slot.
Heat-insulation chamber is formed between furnace body Internal and external cycle and bell Internal and external cycle, heat-insulation chamber can be passed through water as insulation medium.
Furnace body outer ring palette portion is the concordant table surface being mutually adjacent to bell outer ring palette portion, and mutually patch is neat
Afterwards and compress sealing ring sealing.
There is the clamp ring 15 of furnace body and bell locking card on the outside of the furnace body outer ring and bell outer ring, the clamp ring is
Tubular and inner wall both ends have annular inner convex platform 16, and the annular inner convex platform close to bell side is provided with the with bell outer ring
One resigning notch position and the corresponding multiple second resigning recesses 17 of shape, being uniformly provided with along its ring week for the clamp ring are more
A pulley hole, the pulley hole is interior to be arranged pulley 18, and the pulley is in contact with bell external margin, and pulley is along bell outer circle
Week slides.19 both ends of wheel shaft of the pulley are respectively fixedly connected with the annular inner convex platform in clamp ring two sides.
Furnace body outer ring is blocked between the pulley edge of clamp ring and annular inner convex platform, realizes the positioning of clamp ring.
Circumferentially certain angular interval is uniformly arranged first resigning recess of bell outer ring, is formed between the first resigning recess
Limit card board 20；And shape is corresponding therewith for the side annular inner convex platform of clamp ring, so that limit card board and the first resigning recess
It matches, so that bell outer ring can drive when the limit card board of bell outer ring is corresponding with the first resigning notch position
It is driven under the action of mechanism on the inside of indentation clamp ring, clamp ring will not stop the entrance of bell outer ring；And when bell outer ring into
After entering in clamp ring, clamp ring is rotated, so that the first resigning recess is mutually aligned with the second resigning recess, and the limit of furnace body outer ring
Position snap-gauge compresses the annular inner convex platform of clamp ring, so that bell outer ring compresses furnace body outer ring under the action of clamp ring, from
And realize the sealing locking of bell.
Pulley can make clamp ring slide along bell circumference after bell outer ring enters.
Preferably, the bell is driven by bell driving mechanism, and the bell driving mechanism includes being fixed on furnace body one
The supporting table 21 of side, the actuating arm 23 for being fixed on the driving motor 22 of supporting table and being connect with driving motor, the actuating arm one
It holds the output shaft of driving motor affixed, is articulated and connected on the outside of the actuating arm other end and bell.
Actuating arm can be bent at middle part, stiffening plate be arranged in bending place, actuating arm can be plate, and bell is in actuating arm
Junction both ends attachment base is respectively welded, attachment base and actuating arm both ends are hinged.Driving motor drives bell by actuating arm
Rotation, realizes the open and close of control.
Traditional lid leak tight structure is mostly only sealed by sealing ring and flange arrangement, and the sealing structure in this example due to
Provided with clamp ring, by furnace body and bell clamping, convenient for operation, and furnace body is made to be able to bear biggish pressure, and have compared with
Good sealing effect.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (5)
1. a kind of lid leak tight structure of air-quenching furnace, which is characterized in that the furnace body including bell and set on bell side, wherein
The furnace body includes the outer barrel of inner cylinder and ring set inner cylinder, and the furnace body is welded with furnace body close to bell one end at it
Outer ring；
The bell includes outer cover and the inner cap body on the inside of outer cover, the bell its close to furnace body one end be welded with furnace
Lid outer ring, the periphery around bell outer ring are uniformly provided with multiple first resigning recesses；
There is the clamp ring of furnace body and bell locking card on the outside of the furnace body outer ring and bell outer ring, the clamp ring be tubular and
Inner wall both ends have annular inner convex platform, and the first resigning that the annular inner convex platform close to bell side is provided with bell outer ring is recessed
Mouth position and the corresponding multiple second resigning recesses of shape, the clamp ring are uniformly provided with multiple pulley holes along its ring week,
Pulley is set in the pulley hole, and the pulley is in contact with bell external margin, and pulley is slided along bell excircle.
2. a kind of lid leak tight structure of air-quenching furnace according to claim 1, which is characterized in that the furnace body outer ring includes
The furnace body outer ring palette portion of side and the inner cylinder weld part set on furnace body outer ring palette portion opposite side, outer barrel welding
Portion, the inner cylinder weld part and inner cylinder end are welded, and the outer barrel weld part and outer barrel end are welded.
3. a kind of lid leak tight structure of air-quenching furnace according to claim 1, which is characterized in that the bell outer ring includes
The bell outer ring palette portion of side and the inner cap body weld part set on bell outer ring palette portion opposite side, outer cover welding
Portion, the inner cap body weld part and inner cap body end are welded, and the outer cover weld part and outer cover end are welded, the bell
Sealing ring card slot is provided in the middle part of the palette portion of outer ring.
4. a kind of lid leak tight structure of air-quenching furnace according to claim 1, which is characterized in that the wheel shaft two of the pulley
End is respectively fixedly connected with the annular inner convex platform in clamp ring two sides.
5. a kind of lid leak tight structure of air-quenching furnace according to claim 1, which is characterized in that the bell passes through bell
Driving mechanism driving, the bell driving mechanism includes being fixed on the supporting table of furnace body side, is fixed on the driving electricity of supporting table
The output shaft of machine and the actuating arm connecting with driving motor, described actuating arm one end driving motor is affixed, the actuating arm other end with
Articulated connection on the outside of bell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710820630.7A CN109487066A (en) | 2017-09-13 | 2017-09-13 | A kind of lid leak tight structure of air-quenching furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710820630.7A CN109487066A (en) | 2017-09-13 | 2017-09-13 | A kind of lid leak tight structure of air-quenching furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109487066A true CN109487066A (en) | 2019-03-19 |
Family
ID=65687242
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710820630.7A Pending CN109487066A (en) | 2017-09-13 | 2017-09-13 | A kind of lid leak tight structure of air-quenching furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109487066A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112378253A (en) * | 2020-11-13 | 2021-02-19 | 向明朗 | Industrial furnace lock ring protection architecture and industrial furnace |
| CN112458264A (en) * | 2020-11-23 | 2021-03-09 | 绍兴先越材料技术有限公司 | Gas quenching furnace with uniform low-temperature |
| CN117387356A (en) * | 2023-12-13 | 2024-01-12 | 河南天利热工装备股份有限公司 | Annular pit furnace |
-
2017
- 2017-09-13 CN CN201710820630.7A patent/CN109487066A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112378253A (en) * | 2020-11-13 | 2021-02-19 | 向明朗 | Industrial furnace lock ring protection architecture and industrial furnace |
| CN112458264A (en) * | 2020-11-23 | 2021-03-09 | 绍兴先越材料技术有限公司 | Gas quenching furnace with uniform low-temperature |
| CN117387356A (en) * | 2023-12-13 | 2024-01-12 | 河南天利热工装备股份有限公司 | Annular pit furnace |
| CN117387356B (en) * | 2023-12-13 | 2024-03-19 | 河南天利热工装备股份有限公司 | Annular pit furnace |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20190319 |