CN108796186A - The cooling device of even flow field in quenching technical - Google Patents
The cooling device of even flow field in quenching technical Download PDFInfo
- Publication number
- CN108796186A CN108796186A CN201810701023.3A CN201810701023A CN108796186A CN 108796186 A CN108796186 A CN 108796186A CN 201810701023 A CN201810701023 A CN 201810701023A CN 108796186 A CN108796186 A CN 108796186A
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- China
- Prior art keywords
- flow deflector
- group
- annular
- guide shell
- center
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Links
- 238000010791 quenching Methods 0.000 title claims abstract description 33
- 230000000171 quenching effect Effects 0.000 title claims abstract description 32
- 238000001816 cooling Methods 0.000 title claims abstract description 13
- 239000002826 coolant Substances 0.000 claims abstract description 16
- 239000007788 liquid Substances 0.000 claims abstract description 16
- 239000011324 bead Substances 0.000 claims description 5
- 230000001360 synchronised effect Effects 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims description 2
- 230000006641 stabilisation Effects 0.000 claims 1
- 238000011105 stabilization Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 238000005336 cracking Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/62—Quenching devices
- C21D1/63—Quenching devices for bath quenching
- C21D1/64—Quenching devices for bath quenching with circulating liquids
-
- 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
- C21D9/0062—Heat-treating apparatus with a cooling or quenching zone
Landscapes
- 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)
- Heat Treatment Of Articles (AREA)
Abstract
The present invention discloses a kind of cooling device of even flow field in quenching technical, including outer groove and guide shell, wherein：A) guide shell is placed in outer groove and is immersed in quenching coolant liquid；B) guide shell is equipped with flow deflector group and annular constant-current supporting rack；C) lower part of center flow deflector group is equipped with corresponding entrance and is docked with independent drainage tube, and outer end is equipped with the circulating pump linked up with quenching coolant liquid；D) in center flow deflector group at least provided with three annular flow deflectors, at least provided with three arc flow deflectors in each periphery flow deflector group, a wide annular groove for surrounding center flow deflector group is formed between adjacent arc flow deflector；E) it is equally distributed regular hexagon honeycomb in the frame of annular constant-current supporting rack.
Description
Technical field
The present invention relates to the cooling dresses of even flow field in the cooling device in a kind of quenching technical, especially quenching technical
It sets, belongs to metal heat treatmet and machinery field.
Background technology
With the sustainable development of national economy, people are to the proposition higher standard and the request of mechanical manufacturing field, industry
The high-quality of product, high reliability, high durability become more and more important.Heat treatment is the key that one ring of industry manufacture field,
Wherein heat-treatment quenching process is one of committed step of heat treatment process, and the quality of quenching unit directly decides at material heat
Quality after reason.Fluid flowing is slow in currently used quenching unit generally existing slot, flow field is uneven and flow velocity size not
The problems such as controllable, this makes, and the part after heat treatment is often cracking, deform larger, mechanical property and metallographic structure is unqualified
The problems such as.How key link that in quenching tank quenching flow velocity and flow field uniformity be to ensure that quenching quality, and this are adjusted
The technical issues of field is paid close attention to.
Invention content
It is an object of the present invention to for workpiece deformation, cracking or power is caused in current technology since inhomogeneous cooling is even
Learn performance, the defects of metallographic structure is unqualified.A kind of cooling device of even flow field in quenching technical is provided.
The object of the present invention is achieved like this：The cooling device of even flow field in a kind of quenching technical, including outer groove and
Guide shell, quenching coolant liquid are placed in outer groove, which is characterized in that
A) guide shell is placed in outer groove and is immersed in quenching coolant liquid；
B) guide shell bottom centre is a circular center flow deflector group, and two have at least been uniformly distributed around the flow deflector group of center
It closely pastes at the flow deflector group edge on the identical flow deflector group shaped like folding fan face of a shape and structure, center flow deflector group and periphery
It closes, their top is located in same horizontal line, and the annular constant-current supporting rack equipped with an all standing；
C) lower central of center flow deflector group is set there are one entrance, and periphery each flow deflector group lower part is all provided with that there are one corresponding
Entrance, the independent drainage tube that the entrance of each group passes through outer groove with one dock, and outer end is equipped with the speed governing electricity by synchronous control
The population of the circulating pump of machine driving, circulating pump is linked up by pipeline by the quenching coolant liquid in outer groove lower part and slot；
D) at least provided with three annular flow deflectors in center flow deflector group, they extend downwardly into entrance, position by the top of the group
Annular flow deflector in center forms center circle, and each adjacent annular flow deflector forms the wide annular groove around center circle；Each periphery
At least provided with three arc flow deflectors in flow deflector group, they extend downwardly into entrance, each flow deflector in periphery by the top of the group
After group assembling, the arc flow deflector in them corresponds to each other, and forms one between adjacent arc flow deflector and surrounds center flow deflector
The wide annular groove of group；
E) it is equally distributed regular hexagon honeycomb in the frame of annular constant-current supporting rack.
In the present invention, the guide shell is arranged concentrically with outer groove, and the top of outer groove is necking, the upper edge hole of guide shell
It turns up, the bead of outer groove is more than the upper edge hole of guide shell.
In the present invention, it is identical shaped like folding fan face that four shape and structures have been uniformly distributed around center flow deflector group
Flow deflector group
In the present invention, in annular constant-current supporting rack, longitudinal section of each hole wall is shaped like upper in each regular hexagon honeycomb
Lower two cones bottom buckle conjunction is cone-shaped, and the cone bottom faying face of upper lower cone is seamlessly transitted by curved surface, is combined by the hole wall of this structure
The each regular hexagon honeycomb formed, thereon under along open area be all higher than hole inner section product.
In the present invention, the position of annular constant-current supporting rack is not higher than a quarter of guide shell.
It is an advantage of the current invention that due in the present invention guide shell be placed in outer groove and be immersed in quenching coolant liquid in, lead
Centered on flow cartridge bottom centre flow deflector group and its around be uniformly distributed flow deflector group, be equipped with extension in each flow deflector group
To the flow deflector of entrance, flow deflector forms annular groove in guide shell bottom, and the face that quenching coolant liquid can be formed by annular groove is equal
It is even to enter guide shell.Especially it is furnished with the annular constant-current supporting rack of an all standing, profile adjustment can quenches coolant liquid again
Go out the uniformity of the water surface.Since circulating pump uses the speed regulating motor of synchronous control, the annular constant-current support of an especially all standing
Frame, the specific hole wall structure of regular hexagon honeycomb in the annular constant-current supporting rack of covering, further can adjust and improve
Quench the flow field velocity and flow field quality of coolant liquid.Due to annular constant-current supporting rack position not higher than guide shell four/
One, it is ensured that guide shell has sufficiently large working space.Since guide shell and outer groove are arranged concentrically, the top of outer groove is contracting
Mouthful, the upper edge hole of guide shell turns up, and the bead of outer groove is more than the upper edge hole of guide shell, it can be ensured that workpiece to be machined energy in work
Enough accurate merging guide shells.Guide shell bead, which turns up that the quenching coolant liquid of cycle can also be oriented to, to be drained, and is reduced in cycle
Flow resistance.
Structure of the invention is compact, easy to maintain.
Description of the drawings
Fig. 1 is the structural schematic diagram of the present invention.
Fig. 2 is the overlooking structure diagram of Fig. 2.
Fig. 3 is the structural schematic diagram of the flow deflector group shaped like folding fan face of the present invention.
Fig. 4 is a kind of annular constant-current support frame structure diagram of the present invention.
Fig. 5 is regular hexagon honeycomb vertical section B-B direction sectional view in Fig. 4.
In figure：1, outer groove, 2, guide shell, 3, center flow deflector group, 4, flow deflector group, 5, annular constant-current supporting rack, 6, draw
Flow tube, 7, circulating pump, 8, pipeline, 9, annular flow deflector, 10, arc flow deflector, 11, annular groove, 12, regular hexagon honeycomb, 13,
Hole wall.
Specific implementation mode
Attached drawing discloses the basic structure of the embodiment of the present invention without limitation, below in conjunction with the accompanying drawings makees the present invention into one
Step transmits description.
By Fig. 1 and Fig. 2 as it can be seen that the present invention includes outer groove 1 and guide shell 2, quenching coolant liquid is placed in outer groove 1, described
Guide shell 2 is placed in outer groove 1 and is immersed in quenching coolant liquid.
2 bottom centre of guide shell is a circular center flow deflector group 3, is at least uniformly divided around center flow deflector group 3
Cloth two shape and structures identical flow deflector groups 4 shaped like folding fan face, 4 side of flow deflector group of center flow deflector group 3 and periphery
Edge fits closely, their top is located in same horizontal line, and the annular constant-current supporting rack 5 equipped with an all standing.
The lower central of center flow deflector group 3 is set there are one entrance, and each 4 lower part of flow deflector group in periphery is all provided with that there are one right
The entrance answered, the independent drainage tube 6 that the entrance of each group passes through outer groove with one dock, and outer end is equipped with the tune by synchronous control
The population of the circulating pump 7 of speed motor driving, circulating pump 7 is linked up by pipeline 8 by the quenching coolant liquid in outer groove lower part and slot.
At least provided with three annular flow deflectors 9 in center flow deflector group 3, they by the top of the group extend downwardly into
Mouthful, centrally located annular flow deflector 9 forms center circle, and each adjacent annular flow deflector 9 forms the wide annular groove around center circle；
At least provided with three arc flow deflectors 10 in each periphery flow deflector group 4, they extend downwardly into entrance, periphery by the top of the group
After each flow deflector group 4 assembles, the arc flow deflector 10 in them corresponds to each other, and forming one between adjacent arc flow deflector 10 encloses
Around the wide annular groove 11 of center flow deflector group.
In the present embodiment, it is identical shaped like folding fan that four shape and structures have been uniformly distributed around center flow deflector group 3
The flow deflector group 4 in face, the guide shell 2 are arranged concentrically with outer groove 1, and the top of outer groove 1 is necking, the upper edge hole of guide shell 2
It turns up, the bead of outer groove 1 is more than the upper edge hole of guide shell 2.
As seen from Figure 3, in each peripheral flow deflector group 4 at least provided with three arc flow deflectors 10, they by the group top
Entrance is extended downwardly into, after each flow deflector group 4 in periphery assembles, the arc flow deflector 10 in them corresponds to each other, and adjacent arc is led
A wide annular groove 11 for surrounding center flow deflector group is formed between flow 10.
From fig. 4, it can be seen that being equally distributed regular hexagon honeycomb 12 in the frame of annular constant-current supporting rack 5.
As seen from Figure 5, in annular constant-current supporting rack 5, the longitudinal direction of each hole wall 13 is cut in each regular hexagon honeycomb 12
Face is cone-shaped shaped like upper and lower two cone bottom buckles conjunctions, and the cone bottom faying face of upper lower cone is seamlessly transitted by curved surface, by this structure
Each regular hexagon honeycomb 12 that the combination of hole wall 13 is formed, thereon under along open area be all higher than hole inner section product.
When it is implemented, the physical location of the annular constant-current supporting rack 5 is not higher than four points of 2 cavity heights of guide shell
One of.
Claims (5)
1. the cooling device of even flow field in a kind of quenching technical, including outer groove and guide shell, quenching coolant liquid is placed in outer groove,
It is characterized in that,
A) guide shell is placed in outer groove and is immersed in quenching coolant liquid；
B) guide shell bottom centre is a circular center flow deflector group, and two have at least been uniformly distributed around the flow deflector group of center
It closely pastes at the flow deflector group edge on the identical flow deflector group shaped like folding fan face of a shape and structure, center flow deflector group and periphery
It closes, their top is located in same horizontal line, and the annular constant-current supporting rack equipped with an all standing；
C) lower central of center flow deflector group is set there are one entrance, and periphery each flow deflector group lower part is all provided with that there are one corresponding
Entrance, the independent drainage tube that the entrance of each group passes through outer groove with one dock, and outer end is equipped with the speed governing electricity by synchronous control
The population of the circulating pump of machine driving, circulating pump is linked up by pipeline by the quenching coolant liquid in outer groove lower part and slot；
D) at least provided with three annular flow deflectors in center flow deflector group, they extend downwardly into entrance, position by the top of the group
Annular flow deflector in center forms center circle, and each adjacent annular flow deflector forms the wide annular groove around center circle；Each periphery
At least provided with three arc flow deflectors in flow deflector group, they extend downwardly into entrance, each flow deflector in periphery by the top of the group
After group assembling, the arc flow deflector in them corresponds to each other, and forms one between adjacent arc flow deflector and surrounds center flow deflector
The wide annular groove of group；
E) it is equally distributed regular hexagon honeycomb in the frame of annular constant-current supporting rack.
2. the cooling device of even flow field in quenching technical according to claim 1, which is characterized in that the guide shell
It is arranged concentrically with outer groove, the top of outer groove is necking, and the upper edge hole of guide shell turns up, and the bead of outer groove is more than the upper edge of guide shell
Mouthful.
3. the cooling device of even flow field in quenching technical according to claim 1, which is characterized in that center flow deflector group
Around be uniformly distributed the identical flow deflector group shaped like folding fan face of four shape and structures.
4. the cooling device of even flow field in the quenching technical according to one of claim 1-3, which is characterized in that in annular
In current stabilization supporting rack, longitudinal section of each hole wall is closed cone-shaped shaped like upper and lower two cone bottom buckles in each regular hexagon honeycomb,
The cone bottom faying face of upper lower cone is seamlessly transitted by curved surface, and each regular hexagon honeycomb formed is combined by the hole wall of this structure
Hole, thereon under along open area be all higher than hole inner section product.
5. the cooling device of even flow field in quenching technical according to claim 4, which is characterized in that annular constant-current supports
The position of frame is not higher than a quarter of guide shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810701023.3A CN108796186B (en) | 2018-06-29 | 2018-06-29 | Cooling device with uniform flow field in quenching process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810701023.3A CN108796186B (en) | 2018-06-29 | 2018-06-29 | Cooling device with uniform flow field in quenching process |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108796186A true CN108796186A (en) | 2018-11-13 |
| CN108796186B CN108796186B (en) | 2024-01-09 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810701023.3A Active CN108796186B (en) | 2018-06-29 | 2018-06-29 | Cooling device with uniform flow field in quenching process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108796186B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3935929A1 (en) * | 1989-10-27 | 1991-05-02 | Wsp Ingenieurgesellschaft Fuer | Convective heat treatment unit for e.g. semi-finished wire - uses gas steam for rapid cooling of wire positioned transverse to flow in venturi-line guide |
| CN2740622Y (en) * | 2004-11-01 | 2005-11-16 | 江苏曙光石油钻具有限公司 | Quenching and cooling device for petroleum drill rod joint |
| JP2014162933A (en) * | 2013-02-22 | 2014-09-08 | Fuji Heavy Ind Ltd | Method and device for heat treatment of shaft parts |
| CN206089736U (en) * | 2016-10-21 | 2017-04-12 | 益阳三工机械制造有限公司 | Quenching cooling device |
| CN208594313U (en) * | 2018-06-29 | 2019-03-12 | 南京高速齿轮制造有限公司 | The cooling device of even flow field in quenching technical |
-
2018
- 2018-06-29 CN CN201810701023.3A patent/CN108796186B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3935929A1 (en) * | 1989-10-27 | 1991-05-02 | Wsp Ingenieurgesellschaft Fuer | Convective heat treatment unit for e.g. semi-finished wire - uses gas steam for rapid cooling of wire positioned transverse to flow in venturi-line guide |
| CN2740622Y (en) * | 2004-11-01 | 2005-11-16 | 江苏曙光石油钻具有限公司 | Quenching and cooling device for petroleum drill rod joint |
| JP2014162933A (en) * | 2013-02-22 | 2014-09-08 | Fuji Heavy Ind Ltd | Method and device for heat treatment of shaft parts |
| CN206089736U (en) * | 2016-10-21 | 2017-04-12 | 益阳三工机械制造有限公司 | Quenching cooling device |
| CN208594313U (en) * | 2018-06-29 | 2019-03-12 | 南京高速齿轮制造有限公司 | The cooling device of even flow field in quenching technical |
Non-Patent Citations (1)
| Title |
|---|
| 张晓东;: "钢铁工件控制新型淬火槽的改进设计探索", 科技资讯, no. 23 * |
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| CN108796186B (en) | 2024-01-09 |
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| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20190926 Address after: 211100, No. 1 East Tianyuan Road, Jiangning District, Jiangsu, Nanjing Applicant after: NANJING HIGH SPEED GEAR MANUFACTURING Co.,Ltd. Applicant after: Nanjing High Precision Transmission Equipment Manufacturing Group Co.,Ltd. Address before: 211100, No. 1 East Tianyuan Road, Jiangning District, Jiangsu, Nanjing Applicant before: NANJING HIGH SPEED GEAR MANUFACTURING Co.,Ltd. |
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Effective date of registration: 20200512 Address after: 211100, No. 1 East Tianyuan Road, Jiangning District, Jiangsu, Nanjing Applicant after: NANJING HIGH SPEED GEAR MANUFACTURING Co.,Ltd. Address before: 211100, No. 1 East Tianyuan Road, Jiangning District, Jiangsu, Nanjing Applicant before: NANJING HIGH SPEED GEAR MANUFACTURING Co.,Ltd. Applicant before: Nanjing High Precision Transmission Equipment Manufacturing Group Co.,Ltd. |
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