CN108588389B - Automatic cooling device for high-frequency quenching high-pressure jet flow of chain wheel - Google Patents
Automatic cooling device for high-frequency quenching high-pressure jet flow of chain wheel Download PDFInfo
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- CN108588389B CN108588389B CN201810774836.5A CN201810774836A CN108588389B CN 108588389 B CN108588389 B CN 108588389B CN 201810774836 A CN201810774836 A CN 201810774836A CN 108588389 B CN108588389 B CN 108588389B
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- water
- quenching
- cooling
- ring
- storage barrel
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- 238000010791 quenching Methods 0.000 title claims abstract description 58
- 230000000171 quenching effect Effects 0.000 title claims abstract description 58
- 238000001816 cooling Methods 0.000 title claims abstract description 32
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 152
- 239000000498 cooling water Substances 0.000 claims abstract description 50
- 238000010438 heat treatment Methods 0.000 claims abstract description 19
- 238000005507 spraying Methods 0.000 claims abstract description 19
- 238000005452 bending Methods 0.000 claims abstract description 4
- 239000002826 coolant Substances 0.000 claims abstract description 3
- 239000007921 spray Substances 0.000 claims description 27
- 230000001360 synchronised effect Effects 0.000 claims description 16
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 9
- 238000002347 injection Methods 0.000 claims description 4
- 239000007924 injection Substances 0.000 claims description 4
- 239000002390 adhesive tape Substances 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 abstract description 2
- 229910000734 martensite Inorganic materials 0.000 abstract description 2
- 239000003638 chemical reducing agent Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
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
- C21D9/32—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for gear wheels, worm wheels, or the like
-
- 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
- C21D1/06—Surface hardening
- C21D1/09—Surface hardening by direct application of electrical or wave energy; by particle radiation
- C21D1/10—Surface hardening by direct application of electrical or wave energy; by particle radiation by electric induction
-
- 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
- C21D2221/00—Treating localised areas of an article
- C21D2221/10—Differential treatment of inner with respect to outer regions, e.g. core and periphery, respectively
-
- 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
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
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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 utility model provides a sprocket high-frequency quenching high pressure jet automatic cooling device, includes quenching lathe, coolant tank, quenching heating mechanism and drives sprocket rotation and reciprocates rotary mechanism, its characterized in that: the automatic cooling device further comprises a water storage barrel, the water storage barrel is connected with a spraying ring arranged below the water surface of the cooling water tank through a pipeline, the spraying ring is formed by bending a plastic pipe, a plurality of small holes are formed in the inner side of the spraying ring, the water storage barrel provides high-pressure water flow for the spraying ring, spraying operation is completed under water, the high-pressure water flow is sprayed to push cooling water in the cooling water tank to form a plurality of centripetal water flows, the plurality of centripetal water flows are used for carrying out impact cooling on high-temperature water bubbles formed on the surfaces of sprocket teeth during high-frequency quenching cooling, the cooling condition is greatly improved, the ideal cooling speed is obtained, the ideal quenching martensitic structure can be obtained after quenching, the formation of harmful austenitic structures is reduced, and the surface of the sprocket tooth part obtains a sufficient hardness value, so that the service life of the sprocket and the safety of a motorcycle are ensured.
Description
Technical Field
The invention relates to a high-frequency quenching cooling device, in particular to a high-frequency quenching high-pressure jet automatic cooling device for a chain wheel.
Background
Currently, a known sprocket quenching device, such as the chinese patent, CN102251081a discloses a sprocket tooth surface quenching device, comprising a bracket, wherein a horizontal shaft is fixed on the top of the bracket through a bearing seat, and one end of the horizontal shaft is connected with a lifting motor through a lifting reducer; a cooling box with an open top is arranged below the bracket, two sliding grooves are symmetrically arranged on two sides of the inside of the cooling box, two ends of a supporting plate are clamped in the two sliding grooves, the lower end of a steel wire rope wound on a horizontal shaft is fixedly connected with the supporting plate, a sprocket shaft is vertically arranged on the supporting plate, the sprocket shaft is connected with one end of an intermediate shaft through a first conical gear set, the other end of the intermediate shaft is connected with a vertical shaft of a key slot through a second conical gear set, and the upper end of the vertical shaft of the key slot is connected with a sprocket rotating motor through a sprocket rotating speed reducer; a heating ring is arranged above the cooling box and corresponds to the position of the sprocket shaft, and the heating ring is connected with a heating device arranged on one side of the cooling box.
Disclosure of Invention
The invention provides an automatic cooling device for high-frequency quenching high-pressure jet flow of a chain wheel.
The utility model provides a sprocket high-frequency quenching high pressure jet automatic cooling device, includes quenching lathe, coolant tank, quenching heating mechanism and drives sprocket rotation and reciprocates rotary mechanism, its characterized in that: the automatic cooling device also comprises a water storage barrel, wherein the water storage barrel is connected with a spraying ring arranged below the water surface of the cooling water tank through a pipe, the spraying ring is formed by bending a plastic pipe, a plurality of small holes are formed in the inner side of the spraying ring, the water storage barrel provides high-pressure water flow for the spraying ring, the spraying operation is completed underwater, the high-pressure water flow is sprayed to push cooling water in the cooling water tank to form a plurality of centripetal water flows, and the centripetal water flows impact-cool high-temperature water bubbles formed on the tooth surfaces of the chain wheel when in high-frequency quenching cooling.
A water injection hole for adding water is formed above the water storage barrel, a water discharge valve is arranged below the water storage barrel and connected with a water pressure control valve through a water inlet pipe, one end of the water pressure control valve is connected with the water inlet pipe, the other end of the water pressure control valve is connected with a water inlet of a three-way joint, and two water outlets of the three-way joint are respectively connected with two water inlet holes of the spray ring through a quick joint.
The water-proof adhesive tape for the spray ring is fixed above the iron ring, the straight shank at one end of the iron ring is welded on the right angle plate, the right angle plate is provided with a straight slot, a screw penetrates through the straight slot of the right angle plate and is screwed into a screw hole in the inner wall of the cooling water tank, the right angle plate is fixedly installed on the inner wall of the cooling water tank, the height of the spray ring is adjusted by moving the right angle plate up and down, so that the spray ring is positioned at the position of 3-5mm below the water surface of the cooling water tank, and the spray operation is completed underwater.
And one side of the upper part of the cooling water tank is provided with a water level control valve, one end of the water level control valve is connected with a water pump, the water pump is connected with a water return hole of the water storage barrel through a water return pipe, and the water pump sends cooling water in the cooling water tank into the high-level water storage barrel through the water return pipe to form water supply circulation.
The quenching heating mechanism comprises a high-frequency power supply and a quenching ring, wherein the high-frequency power supply is connected with a program control box of a quenching machine tool through a circuit, the quenching ring is connected with the high-frequency power supply and is suspended above a cooling water tank, heating energy is provided through the high-frequency power supply, and the chain wheel is heated through the quenching ring.
The program control box of the quenching machine tool is used for setting heating time, power, water inlet time and up-and-down moving position.
The up-and-down moving rotating mechanism comprises a synchronous motor, a motor frame, a screw rod, a screw nut clamping rail, a bracket, a rotating motor, a belt and a rotating shaft, wherein the screw nut clamping rail is arranged on one side of the quenching machine tool, one end of the screw nut is welded with the bracket, the other end of the screw nut is clamped in the screw nut clamping rail, the screw rod is screwed into the screw nut, the upper part of the screw rod is connected with the synchronous motor, the synchronous motor is arranged above the motor frame, the motor frame is welded above one side of the quenching machine tool, the rotating motor and the rotating shaft are arranged on the bracket, a chain wheel is arranged on the rotating shaft, and the rotating motor is connected with the rotating shaft through the belt. The synchronous motor drives the screw rod to rotate, so that the screw rod moves up and down in the screw rod clamping rail, and further drives the bracket and the rotating shaft on the bracket to move up and down, and water inlet and water outlet operations during quenching of the chain wheel are completed.
The invention carries out impact cooling on high-pressure water columns sprayed by a plurality of small Kong Xiangxin on the inner side of the spray ring, which speeds up the flow of cooling water on the surface of the gear teeth, carries out cold water supplement on the upper cooling water on the tooth surface of the chain wheel in time, greatly improves the cooling condition, obtains ideal cooling speed, can obtain ideal quenched martensitic structure after quenching and reduces the formation of harmful austenitic structure, obtains enough hardness value on the surface of the gear teeth, reduces internal stress and deformation, determines the phenomenon of gear breaking, and ensures the service life of the chain wheel and the driving safety of a motorcycle.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the spray ring structure of the present invention;
FIG. 3 is a schematic diagram of the cooling water tank and quenching machine tool of the present invention;
fig. 4 is a schematic top view of fig. 3.
In the figure: the water storage barrel 1, a water injection hole 2, a water discharge valve 3, a water inlet pipe 4, a water pressure control valve 5, a rectangular plate 6, a spray ring 7, a chain wheel 8, a rotary shaft 9, a quenching ring 10, a cooling water tank 11, a water level control valve 12, a water pump 13, a water return pipe 14, a water return hole 15, a three-way joint 16, a quick joint 17, a small hole 18, an iron ring 19, a high-frequency power supply 20, a rotary motor 21, a belt 22, a quenching machine tool 23, a program control box 24, a motor frame 25, a synchronous motor 26, a screw 27, a bracket 28, a screw clamping rail 29 and a screw 30.
Detailed Description
As shown in fig. 1, 2, 3 and 4, the water storage barrel 1 is filled with water through a water injection hole 2 formed at the upper part, a water discharge valve 3 is arranged at the position, which is about 100mm away from the bottom, below the water storage barrel 1 to control the water yield, and the water level difference is utilized to provide high-pressure water flow for jet flow. One end of the drainage valve 3 is connected with the water pressure control valve 5 through the water inlet pipe 4, the water pressure control valve 5 controls the spraying pressure, one end of the water pressure control valve 5 is connected with the water inlet pipe 4, the other end of the water pressure control valve is connected with the water inlet of the three-way joint 16, and two water outlets of the three-way joint 16 are respectively connected with two water inlets of the spraying ring 7 through the quick connector 17. The spray ring 7 is fixed above the iron ring 19 by a waterproof adhesive tape, the iron ring 19 is used for supporting and fixing the spray ring 7, a straight shank at one end of the iron ring 19 is welded on the right angle plate 6, a straight groove is formed in the right angle plate 6, a screw hole is drilled in the inner wall of the cooling water tank 11, a screw penetrates through the straight groove of the right angle plate 6 and is screwed into the screw hole in the inner wall of the cooling water tank 11, the right angle plate 6 is installed and fixed on the inner wall of the cooling water tank 11, the screw is loosened, the height of the spray ring 7 is adjusted by moving the right angle plate 6 up and down, so that the spray ring 7 is ensured to be positioned at about 3-5mm below the water surface of the cooling water tank 11, the spray operation is completed underwater, and the spray operation only pushes cooling water to form high-pressure centering water flow around the sprocket 8 and does not directly spray on the heating surface of the sprocket 8. A water level control valve 12 is installed at an upper side of the cooling water tank 11 to control the water level of the cooling water tank 11 so as to ensure that the shower ring 7 is about 3-5mm below the water surface of the cooling water tank 11. One end of the water level control valve 12 is connected with the water pump 13, the water pump 13 is connected with the water return hole 15 of the water storage barrel 1 through the water return pipe 14, the water level control valve 12 of the cooling water tank 11 is opened, the cooling water in the cooling water tank 11 is sent into the high-level water storage barrel 1 through the water return pipe 14 by the water pump 13 to form water supply circulation, the cooling water in the water storage barrel 1 is repeatedly used for a plurality of times to enable the cooling water to be vaporized, the vaporized cooling water can reduce bubbles in the water, and the improvement of quenching cooling quality is facilitated.
As shown in fig. 2, the spray ring 7 is formed by bending a plastic pipe into the same shape as an iron ring 19, a plurality of small holes 18 with diameters of about 2mm are formed in the inner side of the spray ring 7, the spray ring 7 is connected with the water inlet pipe 4 through a three-way joint 16 to perform test water spraying so as to ensure that the small holes 18 in the inner side of the spray ring 7 form uniform centripetal water spraying columns, high-temperature water bubbles are formed on the tooth surfaces of the chain wheel 8 to effectively impact during high-frequency quenching cooling, the flow of cooling water on the tooth surfaces of the chain wheel 8 is accelerated, and the cooling water on the tooth surfaces of the chain wheel 8 is supplemented with cold water in time.
As shown in fig. 2 and 3, the high-frequency power supply 20 is connected to a program control box 24 of a quenching machine 23 via a circuit, the quenching ring 10 is connected to the high-frequency power supply 20 and suspended above the cooling water tank 11, heating energy is supplied from the high-frequency power supply 20, the sprocket 8 is heated via the quenching ring 10, and the program control box 24 controls the heating time and the heating power.
One side of the quenching machine tool 23 is provided with a screw clamping rail 29, one end of a screw 27 is welded with a bracket 28, the other end of the screw 27 is clamped in the screw clamping rail 29, a screw rod 30 is screwed into the screw 27, the upper part of the screw rod 30 is connected with a synchronous motor 26, the synchronous motor 26 is arranged above a motor frame 25, and the motor frame 25 is welded above one side of the quenching machine tool 23. The bracket 28 is provided with a rotating motor 21 and a rotating shaft 9, the rotating shaft 9 is provided with a chain wheel 8, and the rotating motor 21 drives the rotating shaft 9 to rotate through a belt 22 so as to drive the chain wheel 8 to rotate. The synchronous motor 26 drives the screw rod 30 to rotate, so that the screw 27 moves up and down in the screw clamping rail 29, and further drives the bracket 28 and the rotating shaft 9 on the bracket 28 to move up and down, and water inlet and outlet operations during quenching of the chain wheel 8 are completed.
The chain wheel 8 is arranged on the rotating shaft 9, the heating time, the power, the water inlet time and the up-down movement position are set by a program control box 24 of the quenching machine 13, the water discharge valve 3, the water pressure control valve 5 and the water level control valve 12 are opened, the water storage barrel 1 supplies water for the cooling water tank 11, the spray ring 7 is ensured to be positioned at the position about 3-5mm below the water surface of the cooling water tank 11, the rotating motor 21 and the synchronous motor 26 are started to rotate positively, the chain wheel 8 is moved downwards to the position of the quenching ring 10, the synchronous motor 26 stops rotating, the downwards movement is stopped, the rotation is continued, the high-frequency power supply 20 is automatically started to electrify, the quenching ring 10 heats the chain wheel 8, the heating time is about 2-4 seconds, after the heating is finished, the high-frequency power supply 20 stops supplying power, the synchronous motor 26 is started to rotate positively, the screw rod 30 is driven to rotate, the screw 27 moves downwards in the screw clamping rail 29, the bracket 28 and the rotating shaft 9 on the bracket 28 are driven to move downwards, the chain wheel 8 moves downwards and rotates to the position of the spray ring 7 below the water surface of the cooling water tank 11, the water storage barrel 1 supplies high-pressure water flow for the spray ring 7, the cooling water in the cooling water tank 11 is pushed by the high-pressure water flow to form a plurality of centripetal water flows, the plurality of centripetal water flows impact-cool the high-temperature water bubbles formed on the tooth surfaces of the chain wheel 8 during high-frequency quenching cooling, the cooling time is about 1-2 seconds, and the cooling is finished. The synchronous motor 26 is started to rotate reversely, the screw rod 30 is driven to rotate, the screw 27 moves upwards in the screw clamping rail 29, the bracket 28 and the rotating shaft 9 on the bracket 28 are driven to move upwards, and the sprocket 8 moves out of the water surface of the cooling water tank 11 to a specified position to stop.
Claims (4)
1. The utility model provides a sprocket high-frequency quenching high pressure jet automatic cooling device, includes quenching lathe, coolant tank, quenching heating mechanism and drives sprocket rotation and reciprocates rotary mechanism, its characterized in that: the automatic cooling device also comprises a water storage barrel, wherein the water storage barrel is connected with a spraying ring arranged below the water surface of the cooling water tank through a pipe, the spraying ring is formed by bending a plastic pipe, a plurality of small holes are formed in the inner side of the spraying ring, the water storage barrel provides high-pressure water flow for the spraying ring, the spraying operation is completed underwater, the high-pressure water flow is sprayed to push cooling water in the cooling water tank to form a plurality of centripetal water flows, and the centripetal water flows impact-cool high-temperature water bubbles formed on the tooth surfaces of the chain wheel during high-frequency quenching and cooling;
a water injection hole for adding water is formed above the water storage barrel, a water discharge valve is arranged below the water storage barrel, the water discharge valve is connected with a water pressure control valve through a water inlet pipe, one end of the water pressure control valve is connected with the water inlet pipe, the other end of the water pressure control valve is connected with a water inlet of a three-way joint, and two water outlets of the three-way joint are respectively connected with two water inlet holes of a spray ring through a quick joint;
the spray ring is fixed above the iron ring by a waterproof adhesive tape, a straight shank at one end of the iron ring is welded on a straight angle plate, a straight groove is formed in the straight angle plate, a screw penetrates through the straight groove of the straight angle plate and is screwed into a screw hole in the inner wall of the cooling water tank, the straight angle plate is fixedly arranged on the inner wall of the cooling water tank, the height of the spray ring is adjusted by moving the straight angle plate up and down, so that the spray ring is positioned at a position of 3-5mm below the water surface of the cooling water tank, and the spray operation is finished underwater;
a water level control valve is arranged on one side of the upper part of the cooling water tank, one end of the water level control valve is connected with a water pump, the water pump is connected with a water return hole of the water storage barrel through a water return pipe, and the water pump sends cooling water in the cooling water tank into the high-level water storage barrel through the water return pipe to form water supply circulation;
the quenching heating mechanism comprises a high-frequency power supply and a quenching ring, wherein the high-frequency power supply is connected with a program control box of a quenching machine tool through a circuit, the quenching ring is connected with the high-frequency power supply and is suspended above a cooling water tank, heating energy is provided through the high-frequency power supply, and the chain wheel is heated through the quenching ring.
2. The automatic cooling device for high-pressure jet stream of high-frequency quenching of sprocket wheel according to claim 1, wherein: the program control box of the quenching machine tool is used for setting heating time, power, water inlet time and up-and-down moving position.
3. The automatic cooling device for high-pressure jet stream of high-frequency quenching of sprocket wheel according to claim 1, wherein: the up-and-down moving rotating mechanism comprises a synchronous motor, a motor frame, a screw rod, a screw nut clamping rail, a bracket, a rotating motor, a belt and a rotating shaft, wherein the screw nut clamping rail is arranged on one side of the quenching machine tool, one end of the screw nut is welded with the bracket, the other end of the screw nut is clamped in the screw nut clamping rail, the screw rod is screwed into the screw nut, the upper part of the screw rod is connected with the synchronous motor, the synchronous motor is arranged above the motor frame, the motor frame is welded above one side of the quenching machine tool, the rotating motor and the rotating shaft are arranged on the bracket, a chain wheel is arranged on the rotating shaft, and the rotating motor drives the rotating shaft to rotate through the belt so as to drive the chain wheel to rotate.
4. A sprocket high frequency quenching high pressure jet automatic cooling apparatus as set forth in claim 3, wherein: the synchronous motor drives the screw rod to rotate, so that the screw rod moves up and down in the screw rod clamping rail, and further drives the bracket and the rotating shaft on the bracket to move up and down, and water inlet and water outlet operations during quenching of the chain wheel are completed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810774836.5A CN108588389B (en) | 2018-07-16 | 2018-07-16 | Automatic cooling device for high-frequency quenching high-pressure jet flow of chain wheel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810774836.5A CN108588389B (en) | 2018-07-16 | 2018-07-16 | Automatic cooling device for high-frequency quenching high-pressure jet flow of chain wheel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108588389A CN108588389A (en) | 2018-09-28 |
| CN108588389B true CN108588389B (en) | 2023-09-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810774836.5A Active CN108588389B (en) | 2018-07-16 | 2018-07-16 | Automatic cooling device for high-frequency quenching high-pressure jet flow of chain wheel |
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| CN (1) | CN108588389B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112375878A (en) * | 2020-10-30 | 2021-02-19 | 姚天成 | High-frequency quenching equipment for copper alloy |
| CN112743095A (en) * | 2021-02-08 | 2021-05-04 | 佛山通宝精密合金股份有限公司 | Prevent shrend device that splashes |
| CN113736958A (en) * | 2021-09-15 | 2021-12-03 | 临沂业隆通用机械有限公司 | Method for improving hardenability by spray cooling and processing equipment thereof |
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 |
| CN202187038U (en) * | 2011-07-15 | 2012-04-11 | 山东开泰抛丸机械有限公司 | Tooth surface quenching device for chain wheel |
| CN105543457A (en) * | 2015-12-29 | 2016-05-04 | 齐齐哈尔轨道交通装备有限责任公司 | Quenching and cooling device, draw gear and machining technology of draw gear |
| CN207581851U (en) * | 2017-11-27 | 2018-07-06 | 喀左鹏达铸造有限公司 | The automatic cooling integrated machine of high-frequency quenching |
-
2018
- 2018-07-16 CN CN201810774836.5A patent/CN108588389B/en active Active
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 |
| CN202187038U (en) * | 2011-07-15 | 2012-04-11 | 山东开泰抛丸机械有限公司 | Tooth surface quenching device for chain wheel |
| CN105543457A (en) * | 2015-12-29 | 2016-05-04 | 齐齐哈尔轨道交通装备有限责任公司 | Quenching and cooling device, draw gear and machining technology of draw gear |
| CN207581851U (en) * | 2017-11-27 | 2018-07-06 | 喀左鹏达铸造有限公司 | The automatic cooling integrated machine of high-frequency quenching |
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| CN108588389A (en) | 2018-09-28 |
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Denomination of invention: A High Frequency Quenching High Pressure Jet Automatic Cooling Device for Sprockets Granted publication date: 20230922 Pledgee: Bank of China Limited by Share Ltd. Cangzhou branch Pledgor: RENQIU SHIJIA MOTORCYCLE PARTS Co.,Ltd. Registration number: Y2024980021349 |