CN114854955A - Selective jet cooling device for high-strength steel plate - Google Patents
Selective jet cooling device for high-strength steel plate Download PDFInfo
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- CN114854955A CN114854955A CN202210372772.2A CN202210372772A CN114854955A CN 114854955 A CN114854955 A CN 114854955A CN 202210372772 A CN202210372772 A CN 202210372772A CN 114854955 A CN114854955 A CN 114854955A
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- strength steel
- steel plate
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- cooling device
- conveying
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 72
- 239000010959 steel Substances 0.000 title claims abstract description 72
- 238000001816 cooling Methods 0.000 title claims abstract description 31
- 239000002826 coolant Substances 0.000 claims abstract description 23
- 239000000463 material Substances 0.000 claims abstract description 17
- 238000001514 detection method Methods 0.000 claims abstract description 14
- 238000011084 recovery Methods 0.000 claims description 16
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 11
- 235000011089 carbon dioxide Nutrition 0.000 claims description 11
- 238000006073 displacement reaction Methods 0.000 claims description 7
- 230000000007 visual effect Effects 0.000 claims description 7
- 240000007651 Rubus glaucus Species 0.000 claims description 3
- 235000011034 Rubus glaucus Nutrition 0.000 claims description 3
- 235000009122 Rubus idaeus Nutrition 0.000 claims description 3
- 239000011521 glass Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 10
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000002474 experimental method Methods 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 32
- 238000010791 quenching Methods 0.000 description 8
- 230000000171 quenching effect Effects 0.000 description 8
- 238000010438 heat treatment Methods 0.000 description 5
- 229910052782 aluminium Inorganic materials 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 238000009826 distribution Methods 0.000 description 2
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- 229910000797 Ultra-high-strength steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000009545 invasion Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000005496 tempering Methods 0.000 description 1
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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
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/62—Quenching devices
-
- 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
- C21D11/00—Process control or regulation for heat treatments
- C21D11/005—Process control or regulation for heat treatments for cooling
-
- 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
- C21D9/0081—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for slabs; for billets
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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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)
- Heat Treatments In General, Especially Conveying And Cooling (AREA)
Abstract
The invention relates to a high-strength steel plate selective jet cooling device which comprises a frame, a high-strength steel plate conveying structure, a cooling medium nozzle structure, a gas conveying and air returning structure, an intelligent detection and identification system and an intelligent control system. The high-strength steel plate conveying structure is arranged in the middle of the frame, a cooling medium nozzle structure is respectively arranged above and below the high-strength steel plate conveying structure, and the cooling medium nozzle structures above and below are respectively connected with the gas conveying and air returning structures above and below; the method utilizes the cooling medium to accelerate the cooling speed and different cooling media to achieve different cooling speed gradients, thereby achieving the goal of customizing the strength of different areas of the high-strength steel plate. The invention has the advantages of low production cost, no need of designing complicated and high-difficulty special dies, no need of using various heat shielding materials and adding post-treatment steps, better completion of regional customized strength targets, intelligence and automation, and improvement of experiment and production efficiency.
Description
Technical Field
The invention relates to the field of metal heat treatment, in particular to the field of high-strength steel forming.
Background
A porous medium turbulent jet cooling device (patent application No. 202011556104.2): the device is provided with a first cold plate, a second cold plate and a jet hole between the two cold plates, wherein the first cold plate is tightly attached to a heating element during working, and the jet hole and the turbulent flow cavity between the two cold plates are used for impingement cooling. But it does not cool uniformly; the cooling of a specific area cannot be realized; the cooling of the two sides of the plate is not balanced.
A jet cooler (202110308630.5) in a steel wheel heat treatment system: the jet flow cooling machine comprises an upper quenching cover, a lower quenching cover and a plurality of first jet ports, wherein the lower part of the upper quenching cover is provided with an opening, the inner shape of the upper quenching cover is matched with the outer peripheral surface of a steel wheel, and the inner surface of the upper quenching cover is provided with the plurality of first jet ports; the outer shape of the lower quenching cover is matched with the inner circumferential surface of the steel wheel, and a plurality of second jet ports are formed in the outer surface of the lower quenching cover; the first and second injection ports may inject the cooling medium. But its jet cooling is used for bulk cooling and no specific area cooling can be selected.
Disclosure of Invention
In view of the requirements of the existing automobile body anti-collision beam on the high-strength steel customized strength hot forming process, a certain area of soft zone for absorbing collision energy is required to be present to prevent collision invasion while the overall strength is maintained, so that different customized strength hot forming processes for high-strength steel plates are produced. According to the invention, the upper and lower groups of nozzles are used for spraying different medium gases to the specific required area of the steel plate which is heated to the temperature required by the pretreatment process at high temperature, and the final structures of the steel plates quenched at different cooling speeds are different, so that the hardness of different areas of the integral high-strength steel plate is different, and the purpose of meeting the requirements is achieved.
In order to achieve the above purposes, the technical scheme adopted by the invention is as follows:
the utility model provides a high strength steel sheet material selectivity efflux cooling device, includes frame, high strength steel sheet material transport structure, coolant nozzle structure, gas transportation and return air structure, intellectual detection system identification system and intelligence control system. The high-strength steel plate conveying structure is arranged in the middle of the frame 1, a cooling medium nozzle structure is arranged above the high-strength steel plate conveying structure, and the cooling medium nozzle structure is connected with the gas conveying and air returning structure at the upper part; a cooling medium nozzle structure is also arranged below the high-strength steel plate conveying structure and connected with a gas conveying and air returning structure at the lower part.
A transparent glass plate 2 is also mounted outside the frame.
The high-strength steel plate conveying structure comprises a discharge platform 9, a horizontal sliding rail 11 and a stepping motor 13 and is used for conveying high-strength steel plates;
the cooling medium nozzle structure comprises an upper group of nozzles and a lower group of nozzles which are in one-to-one correspondence, and an upper group of cylinders 10 and a lower group of cylinders 10;
each group includes a plurality of orifices, for example, 12 orifices in each group, and 24 orifices in the upper and lower groups.
The gas conveying and air returning structure comprises a blower 4, an air compressor, a dry ice crusher, a gas pipeline, an electromagnetic valve 8 and a gas recovery system 3; the gas circuit comprises a main gas inlet pipe 5, a telescopic conduit 6, a gas recovery pipe 7 and a spout gas inlet pipe 12. One end of the dry ice crusher is connected with an air compressor; the other end of the dry ice crusher is connected with one end of a main air inlet pipeline 5, and the other end of the main air inlet pipeline 5 is connected with one end of a telescopic guide pipe 6; the other end of the telescopic conduit 6 is connected with one end of an electromagnetic valve 8; the other end of the electromagnetic valve 8 is connected with one end of a nozzle air inlet pipeline 12; the other end of the spout air inlet duct 12 is connected with the spout. The gas recovery pipeline 7 is connected with the gas recovery system 3; the blower 4 is connected to the gas recovery system 3.
The intelligent detection and identification system comprises a visual detection system, an infrared temperature sensor and a displacement sensor. The visual detection system is used for detecting whether the high-strength steel plate is placed correctly or not; the infrared temperature sensor is used for detecting the temperature of the high-strength steel plate; the displacement sensor is used for detecting whether the high-strength steel plate is conveyed to a specified position.
And a gas outlet of the air compressor is provided with a pneumatic pump.
The intelligent control system comprises a raspberry pie.
The invention has the beneficial effects that: the high-strength steel plate selective jet cooling device provided by the invention utilizes a method that the cooling medium accelerates the cooling speed and different cooling media achieve different cooling speed gradients, so as to achieve the goal of customizing the strength of different areas of the high-strength steel plate. The invention has the advantages of low production cost, no need of designing complicated and high-difficulty special dies, no need of using various heat shielding materials and adding post-treatment steps, better completion of regional customized strength targets, intelligence and automation, and improvement of experiment and production efficiency.
Drawings
The invention has the following drawings:
FIG. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic view of a nozzle assembly (upper clamped state, lower unclamped state) according to an embodiment of the present invention.
Fig. 3 is a schematic view of the structure of the nozzle.
Detailed Description
The present invention is described in further detail below with reference to figures 1-3.
The invention relates to a high-strength steel plate selective jet cooling device which comprises an aluminum frame, a high-strength steel plate conveying structure, a cooling medium nozzle structure, a gas conveying and air returning structure, an intelligent detection and identification system and an intelligent control system. The high-strength steel plate conveying structure is arranged in the middle of the aluminum frame 1, a cooling medium nozzle structure is arranged above the high-strength steel plate conveying structure, and the cooling medium nozzle structure is connected with the gas conveying and air returning structure at the upper part; a cooling medium nozzle structure is also arranged below the high-strength steel plate conveying structure and connected with a gas conveying and air returning structure at the lower part.
A transparent glass plate 2 is also mounted outside the aluminum frame.
The high-strength steel plate conveying structure comprises a discharge platform 9, a horizontal sliding rail 11 and a stepping motor 13 and is used for conveying high-strength steel plates;
the cooling medium nozzle structure comprises an upper group of square nozzles and a lower group of square nozzles which are in one-to-one correspondence, and an upper group of cylinders 10 and a lower group of cylinders 10; each group includes a plurality of orifices, for example, 12 orifices in each group, and 24 orifices in the upper and lower groups.
The gas conveying and air returning structure comprises a blower 4, an air compressor, a dry ice crusher, a gas pipeline, an electromagnetic valve 8 and a gas recovery system 3; the gas circuit comprises a main gas inlet pipe 5, a telescopic conduit 6, a gas recovery pipe 7 and a spout gas inlet pipe 12.
One end of the dry ice crusher (which can be selectively opened or closed) is connected with an air compressor; the other end of the dry ice crusher is connected with one end of a main air inlet pipeline 5, and the other end of the main air inlet pipeline 5 is connected with one end of a telescopic guide pipe 6; the other end of the telescopic conduit 6 is connected with one end of an electromagnetic valve 8; the other end of the electromagnetic valve 8 is connected with one end of a nozzle air inlet pipeline 12; the other end of the spout air inlet duct 12 is connected with the spout. The gas recovery pipeline 7 is connected with the gas recovery system 3; the blower 4 is connected to the gas recovery system 3.
The intelligent detection and identification system comprises a visual detection system, an infrared temperature sensor and a displacement sensor. The visual detection system is used for detecting whether the high-strength steel plate is placed correctly or not; the infrared temperature sensor is used for detecting the temperature of the high-strength steel plate; the displacement sensor is used for detecting whether the high-strength steel plate is conveyed to a specified position.
The gas outlet of the air compressor is provided with a pneumatic pump which can adjust the pressure intensity and the flow rate of the gas output by the air compressor and the like.
The intelligent control system comprises a raspberry pie.
When the cooling device is used, firstly, the air compressor is opened, the air pressure pump is adjusted to enable the pressure and the flow of the air output by the air compressor to be kept at the required set values, and finally the cooling medium sprayed out of the nozzle reaches the required flow and pressure. If it is desired to blast dry ice medium, the corresponding dry ice crusher is switched on. And then taking out the high-strength steel plate in the heating furnace, placing the high-strength steel plate on a discharge platform 9 of the high-strength steel plate conveying structure, recording the temperature of the high-strength steel plate detected by the infrared temperature sensor at the moment after the high-strength steel plate is detected and confirmed to be placed correctly by a visual detection system, and starting a stepping motor 13 to drive the discharge platform to convey the high-strength steel plate into the device. Through the data of displacement sensor feedback, confirm when carrying high strength steel sheet material assigned position, upper and lower two sets of cylinders 10 aerify, press close to the spout to high strength steel sheet material surface, open through solenoid valve 8 control specific spout simultaneously, spout cooling medium to high strength steel sheet material specific area, gas recovery system retrieves near the spout unnecessary gas when spouting, reduces the air current influence in the non-customized region in sheet material surface. And after the set injection flow and time are finished, the upper and lower groups of cylinders deflate, the nozzle returns to the initial position, the high-strength steel plate continues to move forward, and the process is repeated to finish the injection task of the next specified position area. And outputting the plates by the high-strength steel plate conveying structure until all the areas to be sprayed are sprayed, recording the temperature distribution of the high-strength steel plates by using an infrared temperature sensor, standing by equipment, taking out the high-strength steel plates, and determining the hardness of the corresponding soft area hard area after continuously finishing the corresponding subsequent tempering and quenching process.
Interpretation of terms:
1. ultra-high strength steel: an alloy steel having a yield strength of 1370MPa (140 kgf/mm 2) or more and a tensile strength of 1620 MPa (165 kgf/mm 2) or more is called a high-strength steel.
2. Customizing the strength: the steel is a piece of integral steel which has strength gradient distribution through a certain heat treatment process.
3. Soft zone: refers to an area with lower hardness than the general treatment after the strength customization process;
4. hard area: refers to the area of higher hardness after the custom strength process.
The above embodiments are merely illustrative, and not restrictive, and those skilled in the relevant art can make various changes and modifications without departing from the spirit and scope of the invention, and therefore all equivalent technical solutions also belong to the scope of the invention.
Those not described in detail in this specification are within the skill of the art.
Claims (9)
1. The utility model provides a high-strength steel sheet material selectivity efflux cooling device which characterized in that includes: the system comprises a frame, a high-strength steel plate conveying structure, a cooling medium nozzle structure, a gas conveying and air returning structure, an intelligent detection and identification system and an intelligent control system; the high-strength steel plate conveying structure is arranged in the middle of the frame, a cooling medium nozzle structure is arranged above the high-strength steel plate conveying structure, and the cooling medium nozzle structure is connected with the gas conveying and air returning structure at the upper part; a cooling medium nozzle structure is also arranged below the high-strength steel plate conveying structure and connected with a gas conveying and air returning structure at the lower part.
2. The selective jet cooling device of high-strength steel plate material according to claim 1, characterized in that: the high-strength steel plate conveying structure comprises a discharge platform, a horizontal sliding rail and a stepping motor, and is used for conveying high-strength steel plates.
3. The selective jet cooling device of high-strength steel plate material according to claim 1, characterized in that: the cooling medium nozzle structure comprises an upper group of nozzles and a lower group of nozzles which are in one-to-one correspondence, and an upper group of cylinders and a lower group of cylinders.
4. The selective jet cooling device of high-strength steel plate material according to claim 3, characterized in that: the number of each group of nozzles is 12.
5. The selective jet cooling device of high-strength steel plate material according to claim 1, characterized in that: the gas conveying and air returning structure comprises a blower, an air compressor, a dry ice crusher, a gas pipeline, an electromagnetic valve and a gas recovery system; the gas pipeline comprises a main gas inlet pipeline, a telescopic guide pipe, a gas recovery pipeline and a nozzle gas inlet pipeline; one end of the dry ice crusher is connected with an air compressor; the other end of the dry ice crusher is connected with one end of a main air inlet pipeline, and the other end of the main air inlet pipeline is connected with one end of a telescopic guide pipe; the other end of the telescopic conduit is connected with one end of the electromagnetic valve; the other end of the electromagnetic valve is connected with one end of the nozzle air inlet pipeline; the other end of the nozzle air inlet pipeline is connected with the nozzle; the gas recovery pipeline is connected with the gas recovery system; the blower is connected with the gas recovery system.
6. The selective jet cooling device of high-strength steel plate material according to claim 1, characterized in that: the intelligent detection and identification system comprises a visual detection system, an infrared temperature sensor and a displacement sensor; the visual detection system is used for detecting whether the high-strength steel plate is placed correctly or not; the infrared temperature sensor is used for detecting the temperature of the high-strength steel plate; the displacement sensor is used for detecting whether the high-strength steel plate is conveyed to a specified position.
7. The selective jet cooling device of high-strength steel plate material according to claim 1, characterized in that: the outside of the frame is also provided with a transparent glass plate.
8. The selective jet cooling device of high-strength steel plate material according to claim 5, characterized in that: and a gas outlet of the air compressor is provided with a pneumatic pump.
9. The selective jet cooling device of high-strength steel plate material according to claim 1, characterized in that: the intelligent control system comprises a raspberry pie.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210372772.2A CN114854955A (en) | 2022-04-11 | 2022-04-11 | Selective jet cooling device for high-strength steel plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210372772.2A CN114854955A (en) | 2022-04-11 | 2022-04-11 | Selective jet cooling device for high-strength steel plate |
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| Publication Number | Publication Date |
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| CN114854955A true CN114854955A (en) | 2022-08-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210372772.2A Pending CN114854955A (en) | 2022-04-11 | 2022-04-11 | Selective jet cooling device for high-strength steel plate |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0186373A2 (en) * | 1984-12-24 | 1986-07-02 | Nippon Steel Corporation | Method of and apparatus for heat treating rails |
| CN107058697A (en) * | 2017-01-13 | 2017-08-18 | 上海电机学院 | A kind of water hardening device of large-sized end enclosure |
| CN107354278A (en) * | 2017-08-22 | 2017-11-17 | 大连理工大学 | A kind of aerosol Quenching Production Line and its production technology for obtaining intensity adjustable automobile structure |
| CN107557550A (en) * | 2017-08-22 | 2018-01-09 | 大连理工大学 | A kind of intensity adjustable high-strength steel automobile part preparation method |
| CN210657044U (en) * | 2019-10-28 | 2020-06-02 | 艾伯纳工业炉(太仓)有限公司 | High-pressure quenching mechanism of roller-hearth heating furnace |
| CN113061695A (en) * | 2021-03-23 | 2021-07-02 | 北京机电研究所有限公司 | Steel wheel heat treatment system and method |
-
2022
- 2022-04-11 CN CN202210372772.2A patent/CN114854955A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0186373A2 (en) * | 1984-12-24 | 1986-07-02 | Nippon Steel Corporation | Method of and apparatus for heat treating rails |
| CN107058697A (en) * | 2017-01-13 | 2017-08-18 | 上海电机学院 | A kind of water hardening device of large-sized end enclosure |
| CN107354278A (en) * | 2017-08-22 | 2017-11-17 | 大连理工大学 | A kind of aerosol Quenching Production Line and its production technology for obtaining intensity adjustable automobile structure |
| CN107557550A (en) * | 2017-08-22 | 2018-01-09 | 大连理工大学 | A kind of intensity adjustable high-strength steel automobile part preparation method |
| CN210657044U (en) * | 2019-10-28 | 2020-06-02 | 艾伯纳工业炉(太仓)有限公司 | High-pressure quenching mechanism of roller-hearth heating furnace |
| CN113061695A (en) * | 2021-03-23 | 2021-07-02 | 北京机电研究所有限公司 | Steel wheel heat treatment system and method |
Non-Patent Citations (1)
| Title |
|---|
| 鲁玉梅: "采用风冷预处理的高强钢板变强度热成形工艺", 金属热处理, vol. 46, no. 10, pages 193 - 198 * |
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Address after: 18 Xueqing Road, Haidian District, Beijing 100089 Applicant after: China National Machinery Institute Group Beijing Electromechanical Research Institute Co.,Ltd. Address before: 18 Xueqing Road, Haidian District, Beijing 100089 Applicant before: BEIJING Research Institute OF MECHANICAL & ELECTRICAL TECHNOLOGY |
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