CN112646963A - Novel roller spray quenching device - Google Patents
Novel roller spray quenching device Download PDFInfo
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- CN112646963A CN112646963A CN202011379936.1A CN202011379936A CN112646963A CN 112646963 A CN112646963 A CN 112646963A CN 202011379936 A CN202011379936 A CN 202011379936A CN 112646963 A CN112646963 A CN 112646963A
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- roller
- water
- cooling device
- quenching device
- quenching
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- 230000000171 quenching effect Effects 0.000 title claims abstract description 55
- 238000010791 quenching Methods 0.000 title claims abstract description 54
- 239000007921 spray Substances 0.000 title claims abstract description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 57
- 230000007246 mechanism Effects 0.000 claims abstract description 48
- 238000001816 cooling Methods 0.000 claims abstract description 46
- 230000001681 protective effect Effects 0.000 claims description 5
- 230000000694 effects Effects 0.000 claims description 4
- 238000002360 preparation method Methods 0.000 claims 1
- 239000003595 mist Substances 0.000 abstract description 5
- 238000005336 cracking Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 3
- 239000000956 alloy Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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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
- C21D1/667—Quenching devices for spray 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
- C21D11/00—Process control or regulation for heat treatments
-
- 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
- C21D9/38—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for roll bodies
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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 Treatment Of Articles (AREA)
Abstract
The invention discloses a novel roller spray quenching device, which comprises a rotating mechanism, a control mechanism and a water storage mechanism, wherein the rotating mechanism is positioned at the center and used for supporting a roller, the control mechanism is used for controlling the roller, the water storage mechanism is used for storing water, the quenching device is used for quenching the roller, the quenching device is annularly arrayed around the rotating mechanism, the quenching device comprises an air cooling device and a mist cooling device which are matched with each other and used for quenching the roller, and the connecting part is used for connecting the mist cooling device and the water storage mechanism; the invention can ensure the quenching uniformity, improve the performance of the ring-shaped roller, reduce the cracking risk of the ring-shaped roller and improve the applicability.
Description
Technical Field
The invention relates to the technical field of roller quenching equipment, in particular to a novel roller spray quenching device which can ensure that an inner layer is slowly cooled and an outer layer is rapidly cooled and can ensure that the whole roller is uniformly cooled.
Background
The outer layer is made of high alloy material, and the inner layer is made of low alloy material. The outer layer has enough cooling speed during quenching to ensure enough hardenability, and the outer layer after quenching is required to have higher hardness and wear resistance. While the inner layer is required to be slowly cooled without quenching during cooling, so as to ensure sufficient toughness. The quenching method adopted at present is integral quenching, namely, the whole roll is immersed into a quenching medium. The cooling method can ensure that the outer layer of the roller has enough cooling speed, but cannot slowly cool the inner layer of the roller, so that the inner layer of the roller becomes hard and brittle, the cracking risk of the whole roller is greatly increased, and the performance of the roller is reduced.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a novel roller spray quenching device which can ensure that the outer layer of the ring roller has enough cooling speed and the inner layer of the ring roller is slowly cooled so as to ensure the quenching uniformity of the whole ring roller.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows:
a novel roller spray quenching device comprises a rotating mechanism, a control mechanism and a water storage mechanism, wherein the rotating mechanism is positioned in the center and used for supporting a roller, the control mechanism is used for controlling the roller, the water storage mechanism is used for storing water, the quenching device is used for quenching the roller, the quenching device is annularly arrayed around the rotating mechanism, and the quenching device comprises an air cooling device and a mist cooling device which are matched with each other for quenching the roller;
the water storage device also comprises a connecting part used for connecting the fog cooling device and the water storage mechanism.
The technical scheme of the invention is further improved as follows: the air cooling device comprises a plurality of fixing seats, wherein the fixing seats are distributed around the rotating mechanism in an annular array mode, the fixing seats are all connected with jet flow fans, and supporting shafts which play a role in connection and support are arranged between the two ends of each jet flow fan and the bottom of each fixing seat.
The technical scheme of the invention is further improved as follows: the jet fan comprises an air inlet, an air outlet and a power section, a filter screen is arranged on the air inlet, and a junction box connected with the control mechanism is arranged on the outer wall of the power section so as to control the opening and closing of the jet fan and the wind speed.
The technical scheme of the invention is further improved as follows: the fog cooling device comprises an annular pipe connected with the inner wall of the air outlet and a plurality of fog gun nozzles distributed on two sides of the inner diameter and the outer diameter of the annular pipe at intervals and communicated with the annular pipe.
The technical scheme of the invention is further improved as follows: the connecting part comprises a water pump and a pressure tank, wherein one end of the water pump is connected with the water storage mechanism and supplies water to the annular pipe, and the pressure tank pressurizes water.
The technical scheme of the invention is further improved as follows: the water pump with the overhead tank all with control mechanism electric connection.
The technical scheme of the invention is further improved as follows: the rotary mechanism comprises a rotary platform, a fixed block which is positioned on the rotary platform and used for preventing the roller from sliding, and a protective bar which plays a role in protecting the rotary platform and prevents the roller from being damaged by high temperature.
The technical scheme of the invention is further improved as follows: the control mechanism is a control cabinet.
The technical scheme of the invention is further improved as follows: the water storage mechanism is a water tank playing a role in storing water, and the water tank is adjacent to the control cabinet.
Due to the adoption of the technical scheme, the invention has the technical progress that:
the annular roller is quenched and cooled by the air cooling device and the fog cooling device together, so that the outer layer of the annular roller has enough cooling speed during quenching, the inner layer of the annular roller can be slowly cooled, the performance of the annular roller is improved, the air cooling device adopts the jet fan, compared with a common fan, the air speed of the jet fan is higher, the maximum temperature difference between the outer layer and the inner layer of the annular roller can reach about 250 ℃, and the performance of the annular roller can be effectively improved.
In addition, the effect of the fog cooling device can be further enhanced, the scattering effect of the fog cooling device on water is better, and meanwhile, the annular roller is rotated by adopting the rotating platform, the quenching uniformity can be ensured, so that the performance of the annular roller is further improved, the cracking risk of the annular roller is reduced,
meanwhile, the jet fan can remove most of oxide skin in the quenching process without manual treatment of the oxide skin in the spray quenching process, so that the quenching cooling speed is ensured, and the manpower is saved.
The air cooling device and the fog cooling device are controlled by the control mechanism, the two cooling devices can be used simultaneously or separately, can be used according to different conditions, and can be used for producing rollers of different materials and different hardenability by adjusting different water yields and wind speeds, so that the applicability of the invention is improved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a portion of the jet fan outlet and its vicinity in accordance with the present invention;
FIG. 3 is a partial schematic view of the present invention at the junction;
the device comprises an air cooling device 1, an air cooling device 2, a fog cooling device 3, a connecting portion 4, a fixing seat 5, a jet fan 6, a supporting shaft 7, an air inlet 8, an air outlet 9, a power section 10, a filter screen 11, a junction box 12, a ring pipe 13, a fog gun nozzle 14, a water pump 15, a pressure tank 16, a rotary platform 17, a fixing block 18, a protective bar 19, a control cabinet 20 and a water tank.
Detailed Description
The present invention will be described in further detail with reference to the following examples:
a novel roller spray quenching device comprises a rotating mechanism, a control mechanism and a water storage mechanism, wherein the rotating mechanism is positioned in the center and used for supporting a roller, the control mechanism is used for controlling the roller, the water storage mechanism is used for storing water, the quenching device is used for quenching the roller, the quenching device is annularly arrayed around the rotating mechanism, and the quenching device comprises an air cooling device 1 and a mist cooling device 2 which are matched with each other and used for quenching the roller; and the connecting part 3 is used for connecting the fog cooling device 2 and the water storage mechanism.
As shown in fig. 1, the rotating mechanism comprises a rotating platform 16, fixing blocks 17 located on the rotating platform 16 for preventing the rollers from sliding, preferably four fixing blocks 17 arranged in an annular array, and protection bars 18 for protecting the rotating platform 16 from being damaged by high temperature of the rollers, preferably two protection bars 18, and two protection bars 18 are perpendicular to each other.
The control mechanism is a control cabinet 19, and the operation of each part is controlled by a plurality of control switches on the control cabinet 19, and the water storage mechanism is a water tank 20 for storing water and supplying water to the fog cooling device 2, which is specifically arranged at the adjacent position of the control cabinet 19.
As shown in fig. 1, the air cooling device 1 includes a plurality of fixing bases 4, the annular array of the fixing bases 4 is distributed around the rotating mechanism, and all be connected with the jet fan 5 on the fixing base 4, and be equipped with the back shaft 6 that plays the joint support effect between the both ends of the jet fan 5 and the bottom of the fixing base 4, wherein, the jet fan 5 includes the air intake 7, the air outlet 8 and the power section 9, be equipped with the filter screen 10 on the air intake 7, be used for playing the filtering action, avoid debris to enter into the jet fan 5, thereby prevent the damage of the jet fan 5, prolong the life of the jet fan 5, be equipped with the terminal box 11 that is connected with control mechanism on the outer wall of the power section 9, in order to control the opening and closing of the jet.
Compared with a common blowing device, the jet fan 5 is higher in air speed, the outer layer of the ring-shaped roller can be cooled at a sufficient speed during quenching, the inner layer of the ring-shaped roller can be cooled slowly, and the performance of the ring-shaped roller can be improved.
As shown in fig. 2, the fog cooling device 2 comprises a ring pipe 12 connected with the inner wall of the air outlet 8, and a plurality of fog gun nozzles 13, wherein the ring pipe 12 is distributed at two sides of the inner diameter and the outer diameter of the ring pipe 12 at intervals and communicated with the ring pipe 12, the ring pipe 12 is connected with a water tank 20 through a hose, and a connecting part 3 for supplying water under pressure is arranged between the ring pipe 12 and the water tank 20. At this moment, the arrangement of the annular pipe 12 can increase the number of the fog gun nozzles 13 under the condition of not influencing the wind speed of the jet fan 5, and the fog gun nozzles 13 are distributed in an annular array, so that the sprayed water mist is more uniform, the quenching uniformity is increased, and the performance of the annular roller is improved.
As shown in fig. 3, the connection part 3 includes a water pump 14 having one end connected to the water tank 20 and the other end supplying water into the ring pipe 12, and a pressure tank 15 pressurizing water, and the water pump 14 and the pressure tank 15 are simultaneously operated under the control of the control cabinet 19 to ensure that sufficient water pressure is supplied to be sprayed through the fog gun nozzle 13.
The quenching device provided by the invention adopts the quenching equipment combining the air cooling device 1 and the fog cooling device 2, so that the quenching effect is greatly enhanced, the jet fan 5 can further scatter water fog generated by the fog gun nozzle 13, the quenching uniformity is ensured, the air cooling device 1 and the fog cooling device 2 can be controlled by the control cabinet 19, so that the two cooling and quenching devices can be used independently and jointly, can be used according to different conditions, and can be used for producing rollers of different materials and different hardenability by adjusting different water yields and wind speeds, and the applicability of the quenching device is greatly improved.
Based on the above overall description, when the present invention is used, first, the ring roll is placed on the protective bar 18 on the rotary platform 16 by the hoisting machine, and the fixing block 17 is placed in the inner hole of the ring roll to prevent the ring roll from sliding during rotation; then, the control cabinet 19 controls the rotating platform 16 to drive the ring-shaped roller to rotate, and the air cooling device 1 and the fog cooling device 2 are controlled to be opened according to the requirements of different hardenability of the ring-shaped roller; and finally, after quenching is finished, controlling the air cooling device 1 and the fog cooling device 2 to be closed through the control cabinet 19, controlling the rotary platform 16 to stop rotating, and moving the annular roller out of the rotary platform 16 to the next heat treatment station by using a hoisting machine.
The above-mentioned embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solution of the present invention by those skilled in the art should fall within the protection scope defined by the claims of the present invention without departing from the spirit of the present invention.
Claims (9)
1. The utility model provides a novel roll quenches device, includes the rotary mechanism that is used for supporting the roll that is located the center, plays control mechanism, the water storage mechanism who is used for the water storage of control preparation usefulness, its characterized in that: the quenching device comprises an air cooling device (1) and a fog cooling device (2) which are matched with each other for quenching the roller;
the water storage device also comprises a connecting part (3) used for connecting the fog cooling device (2) and the water storage mechanism.
2. The novel roller spray quenching device as claimed in claim 1, wherein: air cooling device (1) includes a plurality of fixing bases (4), fixing base (4) ring array distribute in rotary mechanism is all around, just all be connected with jet fan (5) on fixing base (4), and in the both ends of jet fan (5) with be equipped with between fixing base (4) bottom and play the back shaft (6) of joint support effect.
3. The novel roller spray quenching device as claimed in claim 2, wherein: the jet fan (5) comprises an air inlet (7), an air outlet (8) and a power section (9), a filter screen (10) is arranged on the air inlet (7), and a junction box (11) connected with the control mechanism is arranged on the outer wall of the power section (9) to control the opening and closing of the jet fan (5) and the wind speed.
4. The novel roller spray quenching device as claimed in claim 3, wherein: the fog cooling device (2) comprises a ring-shaped pipe (12) connected with the inner wall of the air outlet (8) and a plurality of fog gun nozzles (13) which are distributed at intervals on two sides of the inner diameter and the outer diameter of the ring-shaped pipe (12) and communicated with the ring-shaped pipe (12).
5. The novel roller spray quenching device as claimed in claim 4, wherein: the connecting part (3) comprises a water pump (14) and a pressure tank (15), wherein one end of the water pump is connected with the water storage mechanism and supplies water to the annular pipe (12), and the pressure tank pressurizes water.
6. The novel roller spray quenching device as claimed in claim 5, wherein: the water pump (14) and the pressure tank (15) are electrically connected with the control mechanism.
7. The novel roller spray quenching device as claimed in claim 1, wherein: the rotating mechanism comprises a rotating platform (16), a fixing block (17) which is positioned on the rotating platform (16) and used for preventing the roller from sliding, and a protective bar (18) which has a protective effect on the rotating platform (16) and prevents the roller from being damaged by high temperature.
8. The novel roller spray quenching device as claimed in claim 1, wherein: the control mechanism is a control cabinet (19).
9. The novel roller spray quenching device as claimed in claim 1, wherein: the water storage mechanism is a water tank (20) playing a role in storing water, and the water tank (20) is adjacent to the control cabinet (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011379936.1A CN112646963A (en) | 2020-11-30 | 2020-11-30 | Novel roller spray quenching device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011379936.1A CN112646963A (en) | 2020-11-30 | 2020-11-30 | Novel roller spray quenching device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112646963A true CN112646963A (en) | 2021-04-13 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011379936.1A Pending CN112646963A (en) | 2020-11-30 | 2020-11-30 | Novel roller spray quenching device |
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| Country | Link |
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| CN (1) | CN112646963A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116043001A (en) * | 2022-12-28 | 2023-05-02 | 中钢集团邢台机械轧辊有限公司 | Roller cold treatment circulation mode |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4834344A (en) * | 1987-02-20 | 1989-05-30 | Surface Combustion, Inc. | Apparatus for inside-outside tube quenching |
| CN203021623U (en) * | 2012-12-30 | 2013-06-26 | 重庆川深金属新材料股份有限公司 | Spray cooling device applicable to roller quenching |
| CN208136293U (en) * | 2018-02-08 | 2018-11-23 | 邢台德龙机械轧辊有限公司 | Roll sprays machine of quenching |
| CN208266217U (en) * | 2018-05-30 | 2018-12-21 | 石家庄石特轧辊有限公司 | Roll blows and sprays quenching apparatus |
-
2020
- 2020-11-30 CN CN202011379936.1A patent/CN112646963A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4834344A (en) * | 1987-02-20 | 1989-05-30 | Surface Combustion, Inc. | Apparatus for inside-outside tube quenching |
| CN203021623U (en) * | 2012-12-30 | 2013-06-26 | 重庆川深金属新材料股份有限公司 | Spray cooling device applicable to roller quenching |
| CN208136293U (en) * | 2018-02-08 | 2018-11-23 | 邢台德龙机械轧辊有限公司 | Roll sprays machine of quenching |
| CN208266217U (en) * | 2018-05-30 | 2018-12-21 | 石家庄石特轧辊有限公司 | Roll blows and sprays quenching apparatus |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116043001A (en) * | 2022-12-28 | 2023-05-02 | 中钢集团邢台机械轧辊有限公司 | Roller cold treatment circulation mode |
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Application publication date: 20210413 |
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| RJ01 | Rejection of invention patent application after publication |