CN104372162B - The heat treatment method of large size, thin walled steel plate - Google Patents
The heat treatment method of large size, thin walled steel plate Download PDFInfo
- Publication number
- CN104372162B CN104372162B CN201310360231.9A CN201310360231A CN104372162B CN 104372162 B CN104372162 B CN 104372162B CN 201310360231 A CN201310360231 A CN 201310360231A CN 104372162 B CN104372162 B CN 104372162B
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- China
- Prior art keywords
- steel plate
- workpiece
- heat
- boom hoisting
- sill
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Classifications
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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
- C21D9/46—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for sheet metals
-
- 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
- C21D1/18—Hardening; Quenching with or without subsequent tempering
-
- 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
- C21D1/673—Quenching devices for die quenching
-
- 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
- C21D2241/00—Treatments in a special environment
- C21D2241/01—Treatments in a special environment under pressure
Abstract
The invention discloses the heat treatment method of a kind of large size, thin walled steel plate, use steel plate positioning device and boom hoisting, the size thin-walled steel plate workpiece not less than 4000 × 4000mm, thickness no more than 50mm is heat-treated；Comprise the following steps: the first step, assembled workpiece and steel plate positioning device；Second step, uses boom hoisting, the steel plate shove charge module assembled is put in heat-treatment furnace and heat；3rd step, heats complete, steel plate shove charge module is hung out from heat-treatment furnace by boom hoisting, puts into tank and carries out quenching cooling.The heat treatment deformation of large size, thin walled steel plate can be controlled by the present invention, thus solve thin-walled steel plate and carry out heating and soaking in processing procedure after rolling or having forged and pressed, the problem being easily deformed.The present invention can save raw material and the energy, can also improve efficiency simultaneously.
Description
Technical field
The present invention relates to the heat treatment method of a kind of steel plate, be specifically related to the heat treatment method of a kind of large size, thin walled steel plate.
Background technology
Along with needed for the development of equipment manufacture, the plant equipment such as nuclear power and chemical industry, the specification of steel plate constantly increases, and
Existing steel plate Special quenching equipment limits the size of steel plate, and prior heat treatment equipment can only be used beyond Special quenching equipment
The steel plate of size limitation is heat-treated.
Due to geometry and the dimensions of steel plate, using prior heat treatment method, steel plate easily produces the most irregular
Deforming, and deformation is difficult to control to, the size and dimension of steel plate can not get effectively ensureing.
Summary of the invention
The technical problem to be solved is to provide the heat treatment method of a kind of large size, thin walled steel plate, and it can solve at heat
The problem that during reason, thin-walled steel plate deformed is serious.
For solving above-mentioned technical problem, the technical solution of the heat treatment method of the large size, thin walled steel plate of the present invention is:
Using steel plate positioning device and boom hoisting, to size not less than 4000 × 4000mm, thickness is not more than the thin-walled of 50mm
Steel plate workpiece is heat-treated；Comprise the following steps:
The first step, assembled workpiece and steel plate positioning device；
Operation one, respectively in four angle punchings of multiple workpiece；The diameter in two holes of workpiece lower end is more than the diameter of sill,
So that there is gap between sill and the lower stomidium of workpiece after Zhuan Pei；
Four crossbeams are linked together by operation two with multiple workpiece；
Make two entablatures through the holes of multiple workpiece upper ends；It is connected for rigidly fixing between entablature with workpiece；
Make two sills through the holes of multiple workpiece lower ends；Gap is left between sill and the lower stomidium of workpiece；
In the junction of workpiece Yu sill, the right and left of each workpiece is fixed by fixing steel plate respectively；
Operation three, has the two ends of four crossbeams of multiple workpiece to be rigidly connected respectively accessory plate by string, forms steel plate shove charge module；
Second step, uses boom hoisting, the steel plate shove charge module assembled is put in heat-treatment furnace and heat；
By boom hoisting, steel plate shove charge module is positioned on furnace bottom parallels, multiple workpiece are heated；
3rd step, heats complete, steel plate shove charge module is hung out from heat-treatment furnace by boom hoisting, puts into tank and quench
Fire cooling.
Described steel plate positioning device includes two pieces of square accessory plates, two entablatures, two sills；The thickness of accessory plate is big
In the thickness of workpiece, four angle perforates of accessory plate, it is used for connecting lower and upper cross-member；The diameter in two holes of accessory plate lower end is more than
, so that there is gap between sill and the lower stomidium of accessory plate after Zhuan Pei in the diameter of sill.
The width of described accessory plate is identical with the width of workpiece, and the length of accessory plate is more than the length of workpiece.
Described boom hoisting includes an I-beam, four chains, two base plates, and four angles of I-beam connect chain respectively
One end, two common connecting bottom boards of chain of I-beam homonymy；Two base plates be arranged in parallel relative to I-beam.
Four angles of described I-beam are provided with the installing hole for connecting chain.
What the present invention can reach has the technical effect that
The heat treatment deformation of large size, thin walled steel plate can be controlled by the present invention, thus solves thin-walled steel plate in rolling or forging and stamping
Carry out after completing heating and soaking in processing procedure, the problem being easily deformed.
Large size, thin walled steel plate is heat-treated by the present invention, it is possible to reduces the heat treatment deformation amount of steel plate, reduces follow-up orthopedic difficulty
Degree.The present invention can carry out mass production to steel plate, and multiple steel plates can be disposably heat-treated by every stove together, improves raw
Produce efficiency.
The present invention can save raw material and the energy, can also improve efficiency simultaneously.
Accompanying drawing explanation
The present invention is further detailed explanation with detailed description of the invention below in conjunction with the accompanying drawings:
Fig. 1 is the schematic diagram that the steel plate positioning device of the present invention assembles the steel plate shove charge module of formation with workpiece；
Fig. 2 is the schematic diagram of the boom hoisting of the present invention；
Fig. 3 is the schematic diagram of the I-beam of the boom hoisting of the present invention, and wherein Fig. 3 a is the right view of Fig. 3 b；
Fig. 4 is the steel plate shove charge module combination schematic diagram with boom hoisting of the present invention；
Fig. 5 is the side view of Fig. 4.
Description of reference numerals in figure:
1 is accessory plate, and 2 is entablature,
3 is sill, and 4 is fixing steel plate,
5 is I-beam, and 6 is chain,
7 is base plate, and 51 is installing hole,
10 is workpiece, and 11 is furnace bottom parallels.
Detailed description of the invention
The heat treatment method of the large size, thin walled steel plate of the present invention, uses steel plate positioning device and boom hoisting, to size not less than 4000
The thin-walled steel plate workpiece of × 4000mm, thickness no more than 50mm is heat-treated；
Steel plate positioning device includes two pieces of square accessory plate 2, two sills 3 of 1, two entablatures；The thickness of accessory plate 1
More than the thickness of workpiece 10, the width of accessory plate 1 is identical with the width of workpiece 10, the length (distance i.e. up and down) of accessory plate 1
Length more than workpiece 10；Four angle perforates of accessory plate 1；The diameter in two holes of accessory plate 1 lower end is more than sill 3
, so that there is gap between sill 3 and the lower stomidium of accessory plate 1 after Zhuan Pei in diameter；
Comprise the following steps:
The first step, assembled workpiece and steel plate positioning device；
Operation one, respectively in four angle punchings of multiple workpiece 10；The diameter in two holes of workpiece 10 lower end is more than sill 3
Diameter so that there is gap between sill 3 and the lower stomidium of workpiece 10 after Zhuan Pei；
The product size of workpiece should be avoided in the position in hole；
Four crossbeams are linked together by operation two with multiple workpiece；
Make two entablatures 2 through the holes of multiple workpiece upper ends；It is connected for rigidly fixing between entablature 2 with workpiece 10；
Make two sills 3 through the holes of multiple workpiece lower ends；Gap is left between sill 3 and the lower stomidium of workpiece 10；
After workpiece expanded by heating, can extend downwards along gap in the lower end of workpiece, thus avoids the temperature distortion of workpiece；
In the junction of workpiece 10 with sill 3, the right and left of each workpiece is fixed by fixing steel plate 4 respectively；Location steel
Plate 4 is it can be avoided that workpiece lower end is rocked during extending downwards to the left and right, thus avoids the temperature distortion of workpiece further,
Workpiece is made to remain in a plane；
Operation three, has the two ends of four crossbeams of multiple workpiece to be rigidly connected respectively accessory plate 1 by string, forms steel plate shove charge module,
As shown in Figure 1；
Accessory plate 1 is positioned at the outside of workpiece, is connected for rigidly fixing between accessory plate 1 with four crossbeams；
Second step, uses boom hoisting, the steel plate shove charge module assembled is put in heat-treatment furnace and heat；
As in figure 2 it is shown, boom hoisting includes an I-beam 6, two base plates 7 of 5, four chains, four of I-beam 5
Angle connects one end of chain 6 respectively, the common connecting bottom board 7 of two chains 6 of I-beam 5 homonymy；Two base plates 7 are relative
It is arranged in parallel in I-beam 5；
As it is shown on figure 3, the four of I-beam 5 angles are provided with the installing hole 51 for connecting chain 6；
As shown in Figure 4, Figure 5, steel plate shove charge module is positioned on the base plate 7 of boom hoisting, by boom hoisting by steel plate
Shove charge module is lifted by crane, and is positioned on furnace bottom parallels 11, heats multiple workpiece 10；
3rd step, heats complete, steel plate shove charge module is hung out from heat-treatment furnace by boom hoisting, puts into tank and quench
Fire cooling.
Deformation in large size, thin walled steel plate hot processing procedure can be controlled by the present invention.
Claims (2)
1. the heat treatment method of a large size, thin walled steel plate, it is characterised in that use steel plate positioning device and boom hoisting,
The size thin-walled steel plate workpiece not less than 4000 × 4000mm, thickness no more than 50mm is heat-treated；Comprise the following steps:
The first step, assembled workpiece and steel plate positioning device；
Operation one, respectively in four angle punchings of multiple workpiece；The diameter in two holes of workpiece lower end is more than the diameter of sill,
So that there is gap between sill and the lower stomidium of workpiece after Zhuan Pei；
Four crossbeams are linked together by operation two with multiple workpiece；
Make two entablatures through the holes of multiple workpiece upper ends；It is connected for rigidly fixing between entablature with workpiece；
Make two sills through the holes of multiple workpiece lower ends；Gap is left between sill and the lower stomidium of workpiece；
In the junction of workpiece Yu sill, the right and left of each workpiece is fixed by fixing steel plate respectively；
Operation three, has the two ends of four crossbeams of multiple workpiece to be rigidly connected respectively accessory plate by string, forms steel plate shove charge module；
Second step, uses boom hoisting, the steel plate shove charge module assembled is put in heat-treatment furnace and heat；
By boom hoisting, steel plate shove charge module is positioned on furnace bottom parallels, multiple workpiece are heated；
3rd step, heats complete, steel plate shove charge module is hung out from heat-treatment furnace by boom hoisting, puts into tank and quench
Fire cooling；
Described steel plate positioning device includes two pieces of square accessory plates, two entablatures, two sills；The thickness of accessory plate is big
In the thickness of workpiece, four angle perforates of accessory plate, it is used for connecting lower and upper cross-member；The diameter in two holes of accessory plate lower end is more than
, so that there is gap between sill and the lower stomidium of accessory plate after Zhuan Pei in the diameter of sill；
Described boom hoisting includes an I-beam, four chains, two base plates, and four angles of I-beam connect chain respectively
One end, two common connecting bottom boards of chain of I-beam homonymy；Two base plates be arranged in parallel relative to I-beam.
The heat treatment method of large size, thin walled steel plate the most according to claim 1, it is characterised in that described accessory plate
Width is identical with the width of workpiece, and the length of accessory plate is more than the length of workpiece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310360231.9A CN104372162B (en) | 2013-08-16 | 2013-08-16 | The heat treatment method of large size, thin walled steel plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310360231.9A CN104372162B (en) | 2013-08-16 | 2013-08-16 | The heat treatment method of large size, thin walled steel plate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104372162A CN104372162A (en) | 2015-02-25 |
| CN104372162B true CN104372162B (en) | 2016-08-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310360231.9A Active CN104372162B (en) | 2013-08-16 | 2013-08-16 | The heat treatment method of large size, thin walled steel plate |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111850257B (en) * | 2019-04-29 | 2021-12-28 | 无锡福爱尔金属科技有限公司 | Metal material processing system |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2228489Y (en) * | 1994-04-21 | 1996-06-05 | 天津市热处理研究所 | Heating quenching heat treatment device for sheet part |
| CN2747208Y (en) * | 2004-11-23 | 2005-12-21 | 邯郸钢铁股份有限公司 | Durable slings for lifting high temp. bloom |
| CN201056461Y (en) * | 2007-06-12 | 2008-05-07 | 天津港第三港埠公司 | Cable clamp type steel plate composite sling |
| JP4427110B2 (en) * | 1998-09-03 | 2010-03-03 | 新日本製鐵株式会社 | Press forming method of thin steel sheet for processing |
| CN202575686U (en) * | 2012-04-12 | 2012-12-05 | 淮南矿业(集团)有限责任公司 | Self-tightening type lifting appliance |
| CN202865294U (en) * | 2012-10-11 | 2013-04-10 | 北京南车时代机车车辆机械有限公司 | Steel plate heat treatment equipment |
-
2013
- 2013-08-16 CN CN201310360231.9A patent/CN104372162B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2228489Y (en) * | 1994-04-21 | 1996-06-05 | 天津市热处理研究所 | Heating quenching heat treatment device for sheet part |
| JP4427110B2 (en) * | 1998-09-03 | 2010-03-03 | 新日本製鐵株式会社 | Press forming method of thin steel sheet for processing |
| CN2747208Y (en) * | 2004-11-23 | 2005-12-21 | 邯郸钢铁股份有限公司 | Durable slings for lifting high temp. bloom |
| CN201056461Y (en) * | 2007-06-12 | 2008-05-07 | 天津港第三港埠公司 | Cable clamp type steel plate composite sling |
| CN202575686U (en) * | 2012-04-12 | 2012-12-05 | 淮南矿业(集团)有限责任公司 | Self-tightening type lifting appliance |
| CN202865294U (en) * | 2012-10-11 | 2013-04-10 | 北京南车时代机车车辆机械有限公司 | Steel plate heat treatment equipment |
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| Publication number | Publication date |
|---|---|
| CN104372162A (en) | 2015-02-25 |
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| PB01 | Publication | ||
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| TR01 | Transfer of patent right |
Effective date of registration: 20161130 Address after: 200245 Jiangchuan Road, Shanghai, No. 207, building 1800, No. Patentee after: Shanghai Electric Heavy Forging Co. Ltd. Patentee after: Shanghai Heavy Machines Plant Co., Ltd. Address before: 200245 Jiangchuan Road, Shanghai, No. 1800, No. Patentee before: Shanghai Heavy Machines Plant Co., Ltd. |