CN110760655A - Efficient cooling device for heat treatment of nodular cast iron crankshaft - Google Patents
Efficient cooling device for heat treatment of nodular cast iron crankshaft Download PDFInfo
- Publication number
- CN110760655A CN110760655A CN201911229366.5A CN201911229366A CN110760655A CN 110760655 A CN110760655 A CN 110760655A CN 201911229366 A CN201911229366 A CN 201911229366A CN 110760655 A CN110760655 A CN 110760655A
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- CN
- China
- Prior art keywords
- cast iron
- nodular cast
- cooling box
- box body
- heat treatment
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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
- C21D5/00—Heat treatments of cast-iron
-
- 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
Abstract
The invention relates to the field of heat treatment of nodular cast iron crankshafts, and particularly discloses an efficient cooling device for heat treatment of the nodular cast iron crankshafts, which comprises a processing platform, supporting legs, a motor frame and a bottom plate, wherein the processing platform is arranged on the bottom plate; a horizontal processing platform turntable is coaxially and fixedly installed on an output shaft of the motor; a cooling box body is fixedly arranged on the middle part of the processing platform, a vertical lifting placing frame penetrates through the cooling box body, and a plurality of horizontal laminates are fixedly arranged in the lifting placing frame; an air supply pipe is introduced into the cooling box body; the outside cover of lift rack is equipped with the removal bellows of rectangle frame structure. The invention is provided with the lifting placement rack, so that the nodular cast iron crankshaft is placed in the lifting placement rack, the nodular cast iron crankshaft is cooled in the cooling box body, and cold air flowing out of the cooling box body also flows in the lifting placement rack, so that the cold air is fully utilized; the movable air box moves left and right under the driving of the motor, and pushes the gas in the cooling box to flow horizontally, so that the flowing direction of the gas in the cooling box is changed.
Description
Technical Field
The invention relates to the field of heat treatment of nodular cast iron crankshafts, in particular to an efficient cooling device for heat treatment of the nodular cast iron crankshafts.
Background
In order to ensure that the performance of the nodular cast iron crankshaft reaches a higher level and the nodular cast iron crankshaft is unified in mass production, the stable process of the heat treatment process of the nodular cast iron crankshaft is ensured, the cooling link after the heat treatment is more important, and a series of tools and mechanisms including clamping, transportation, cooling and the like are required to be designed in order to realize the uniform cooling and controllable cooling of the heated crankshaft in the cooling process; in order to ensure that the casting can be uniformly cooled in the cooling process, air cooling or water cooling and other modes become commonly adopted technologies. The existing air cooling device is characterized in that a nodular cast iron crankshaft is conveyed into a cooling box through a conveying belt and then directly conveyed out, continuous feeding is realized, cooling time is limited, cold air is poor in internal fluidity, the cooling effect of the cold air is poor, and therefore the existing cooling device needs to be improved.
Disclosure of Invention
The invention aims to provide a high-efficiency cooling device for heat treatment of a nodular cast iron crankshaft, which solves the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
an efficient cooling device for heat treatment of a nodular cast iron crankshaft comprises a processing platform, supporting legs, a motor frame and a bottom plate; the processing platform and the bottom plate are horizontally arranged in parallel, a plurality of vertical supporting legs are fixedly connected between the bottom plate and the processing platform to support the processing platform, and the processing platform is kept above the bottom plate; the motor frame is fixedly arranged on the upper surface of the processing platform, a vertically downward motor is arranged in the motor frame, a horizontal processing platform turntable is coaxially and fixedly arranged on an output shaft of the motor, and the turntable is driven to rotate by the motor; a cooling box body is fixedly installed on the middle part of the processing platform, a vertical lifting placing rack penetrates through the cooling box body, the lower end of the lifting placing rack penetrates out of the processing platform, an opening is formed in the top of the cooling box body corresponding to the upper end of the lifting placing rack, the lifting placing rack can penetrate out of the top of the cooling box body, and the lower end of the lifting placing rack extends into the cooling box body upwards; the lifting rack is of a rectangular frame structure, the opening of the lifting rack faces the left side and the right side, a plurality of horizontal laminates are fixedly installed in the lifting rack, the lifting rack is divided into a plurality of cavities, and the nodular cast iron crankshaft is placed in the cavities for cooling; the lower end of the lifting placing frame is fixedly connected with a vertical ejector rod, the lower end of the ejector rod is fixed on an output shaft of a hydraulic cylinder, the lifting placing frame is driven by the hydraulic cylinder to lift, so that different layer plates are flush with the upper surface of the processing platform, and the nodular cast iron crankshaft on the layer plates is cooled conveniently; an air supply pipe is introduced into the cooling box body.
Further: the other end of the blast pipe is communicated with a dry ice manufacturing machine on the processing platform, and the dry ice manufacturing machine generates cold air and sends the cold air into the cooling box body to reduce the temperature in the cooling box body.
Further: a placing plate is fixedly arranged on each laminate, and a plurality of air guide holes in the vertical direction and the horizontal direction are formed in the placing plate.
Further: the air guide holes in the horizontal direction are communicated with the air guide holes in the vertical direction, so that the inside of the air guide holes is formed into a communicated structure, and cold air can flow in the air guide holes, is convenient to contact with the nodular cast iron crankshaft placed on the air guide holes, and improves the cooling efficiency.
Further: the thickness of the placing plate is 20-40 mm.
Further: the outside cover of lift rack is equipped with the removal bellows of rectangle frame structure, remove bellows and be located the cooler bin, and remove bellows with the carousel parallel and level, the footpath of carousel is radially rotated through first round pin axle and is connected with the horizontally connecting rod, the other one end of connecting rod stretches into in the cooler bin, the tip passes through the second round pin axle and rotates to be connected on removing bellows lateral wall, at carousel pivoted in-process because eccentric arrangement's first round pin axle, thereby the push-and-pull connecting rod, realize the push-and-pull to removing bellows, change the position of removing bellows, utilize and remove bellows to promote inside gas flow, avoid inside cooling dead angle.
Further: and a guide rod penetrating through the cooling box body is fixedly connected to the other side of the movable air box, and the guide rod is in clearance fit with the cooling box body, so that the movable air box only moves in the left-right direction.
Further: the cooling box inner end that the blast pipe corresponds is gone up the intercommunication and is had a plurality of air nozzle that is located the removal bellows, makes during air conditioning directly sends into the removal bellows, utilizes the removal bellows to promote inside air conditioning and flows, is convenient for directly contact with the nodular cast iron bent axle in the lift rack.
Compared with the prior art, the invention has the beneficial effects that: the lifting rack is arranged, so that the nodular cast iron crankshaft is arranged in the lifting rack and is cooled in the cooling box body, and cold air flowing out of the cooling box body also flows in the lifting rack, so that the cold air is fully utilized, and the waste of the cold air is reduced; the movable air box moves left and right under the driving of the motor, the movable air box pushes the gas in the cooling box to horizontally flow, the flowing direction of the gas inside the cooling box is changed, the gas is contacted with the cooling dead angle of the nodular cast iron crankshaft, the heat is absorbed more uniformly and efficiently, and the effect of rapid cooling is achieved.
Drawings
FIG. 1 is a schematic structural diagram of a high-efficiency cooling device for heat treatment of a nodular cast iron crankshaft.
Fig. 2 is a schematic structural diagram of a lifting and placing rack in an efficient cooling device for nodular cast iron crankshaft heat treatment.
FIG. 3 is a schematic view showing the structure of a moving air box in a highly efficient cooling apparatus for heat treatment of a nodular cast iron crankshaft.
In the figure: 1-a processing platform, 2-supporting legs, 3-a motor frame, 4-a motor, 5-a cooling box body, 6-a dry ice maker, 7-a lifting and placing frame, 8-a moving air box, 9-a connecting rod, 10-a rotating disc, 11-a first pin shaft, 12-a second pin shaft, 13-a guide rod, 14-an air nozzle, 15-a hydraulic cylinder, 16-an ejector rod, 17-a laminate, 18-a placing plate, 19-an air guide hole, 20-an air supply pipe and 21-a bottom plate.
Detailed Description
Example 1
Referring to the drawings, in the embodiment of the invention, the efficient cooling device for the heat treatment of the nodular cast iron crankshaft comprises a processing platform 1, supporting legs 2, a motor frame 3 and a bottom plate 21; the processing platform 1 and the bottom plate 21 are horizontally arranged in parallel, a plurality of vertical support legs 2 are fixedly connected between the bottom plate 21 and the processing platform 1 to support the processing platform 1, so that the processing platform 1 is kept above the bottom plate 21; the motor frame 3 is fixedly arranged on the upper surface of the processing platform 1, the motor 4 which faces vertically downwards is arranged in the motor frame 3, the horizontal processing platform turntable 10 is coaxially and fixedly arranged on an output shaft of the motor 4, and the turntable 10 is driven to rotate by the motor 4.
A cooling box body 5 is fixedly installed on the middle part of the processing platform 1, a vertical lifting placing rack 7 penetrates through the cooling box body 5, the lower end of the lifting placing rack 7 penetrates out of the processing platform 1 downwards, an opening is formed in the top of the cooling box body 5 corresponding to the upper end of the lifting placing rack 7, the lifting placing rack 7 can penetrate out of the top of the cooling box body 5, and the lower end of the lifting placing rack 7 extends upwards into the cooling box body 5; the lifting rack 7 is of a rectangular frame structure, the opening of the lifting rack is towards the left side and the right side, a plurality of horizontal laminates 17 are fixedly installed in the lifting rack 7, the lifting rack 7 is divided into a plurality of cavities, and the nodular cast iron crankshaft is placed in the cavities for cooling; the lower end of the lifting placing frame 7 is fixedly connected with a vertical ejector rod 16, the lower end of the ejector rod 16 is fixed on an output shaft of a hydraulic cylinder 15, the lifting placing frame 7 is driven to lift through the hydraulic cylinder 15, so that different layer plates 17 are flush with the upper surface of the processing platform 1, and the nodular cast iron crankshaft on the layer plates is cooled conveniently; an air supply pipe 20 is introduced into the cooling box 5, the other end of the air supply pipe 20 is communicated with a dry ice maker 6 positioned on the processing platform 1, and the dry ice maker 6 generates cold air and sends the cold air into the cooling box 5 to reduce the temperature in the cooling box 5.
Each laminate 17 is fixedly provided with a placing plate 18, the thickness of each placing plate 18 is 20-40mm, the placing plates 18 are provided with a plurality of air guide holes 19 in the vertical direction and the horizontal direction, the air guide holes 19 in the horizontal direction are communicated with the vertical direction, so that an internal communicated structure is formed, and cold air can flow in the air guide holes 19, is convenient to contact with the nodular cast iron crankshafts placed on the air guide holes, and improves the cooling efficiency.
Before cooling, the lifting placing frame 7 is positioned at the lowest end, the nodular cast iron crankshafts are placed on the layer plates 17 one by one, the hydraulic cylinder 15 is started, the lifting placing frame 7 is pushed upwards slowly, after entering the cooling box body 5, the nodular cast iron crankshaft on the layer plate 17 contacts with the internal cold air to take away the heat of the nodular cast iron crankshaft, because the cooling box body 5 is sealed, the internal cold air after temperature rise can only flow out downwards from the chambers between the layer plates 17, can take away a part of heat on the nodular cast iron crankshaft below while flowing downwards, fully utilizes cold air, pre-cools the nodular cast iron crankshaft, after lifting rack 7 worn out from the top of cooling box 5, the cold cut after inside intensification also can follow the outside outflow in top, and air conditioning is followed nodular cast iron bent axle rebound, and extension contact time guarantees that the cooling is abundant.
Example 2
On the basis of embodiment 1, a movable air box 8 with a rectangular frame structure is sleeved on the outer side of the lifting rack 7, the movable air box 8 is located in the cooling box body 5, the movable air box 8 is flush with the rotary table 10, a horizontal connecting rod 9 is rotatably connected to the radial direction of the rotary table 10 through a first pin shaft 11, the other end of the connecting rod 9 extends into the cooling box body 5, the end part of the connecting rod is rotatably connected to the side wall of the movable air box 8 through a second pin shaft 12, the connecting rod 9 is pushed and pulled due to the first pin shaft 11 which is eccentrically arranged in the rotating process of the rotary table 10, the position of the movable air box 8 is changed, the movable air box 8 is used for pushing internal air to flow, so as to avoid internal cooling dead corners, a guide rod 13 which penetrates out of the cooling box body 5 is fixedly connected to the other side of the movable air box 8, and the guide rod 13 is, the movable bellows 8 is moved only in the right and left direction. The inner end of the cooling box body 5 corresponding to the blast pipe 20 is communicated with a plurality of air nozzles 14 positioned in the movable air box 8, so that cold air is directly sent into the movable air box 8, the movable air box 8 is utilized to push the cold air inside to flow, and the direct contact with the nodular cast iron crankshaft in the lifting placing frame 7 is facilitated. The lifting placing frame 7 slowly moves in the vertical direction, the movable air box 8 reciprocates in the horizontal direction, air in the corresponding lifting placing frame 7 is pushed to flow, internal gas quickly flows, and cold air is fully contacted with the nodular cast iron crankshaft.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (8)
1. An efficient cooling device for heat treatment of a nodular cast iron crankshaft comprises a processing platform (1), supporting legs (2), a motor frame (3) and a bottom plate (21); the processing platform (1) and the bottom plate (21) are horizontally arranged in parallel, and a plurality of vertical supporting legs (2) are fixedly connected between the bottom plate (21) and the processing platform (1); the motor frame (3) is fixedly arranged on the upper surface of the processing platform (1), a vertically downward motor (4) is arranged in the motor frame (3), and a horizontal processing platform turntable (10) is coaxially and fixedly arranged on an output shaft of the motor (4); the machining platform is characterized in that a cooling box body (5) is fixedly installed on the middle of the machining platform (1), a vertical lifting placing frame (7) penetrates through the cooling box body (5), the lower end of the lifting placing frame (7) penetrates out of the machining platform (1) downwards, and an opening is formed in the top of the cooling box body (5) corresponding to the upper end of the lifting placing frame (7); the lifting placing frame (7) is of a rectangular frame structure, the opening of the lifting placing frame faces the left side and the right side, a plurality of horizontal laminates (17) are fixedly arranged in the lifting placing frame (7), and the interior of the lifting placing frame (7) is divided into a plurality of chambers; the lower end of the lifting placing frame (7) is fixedly connected with a vertical ejector rod (16), and the lower end of the ejector rod (16) is fixed on an output shaft of a hydraulic cylinder (15); an air supply pipe (20) is introduced into the cooling box body (5).
2. The efficient cooling device for heat treatment of the nodular cast iron crankshaft as claimed in claim 1, wherein: the other end of the blast pipe (20) is communicated with a dry ice maker (6) positioned on the processing platform (1).
3. The efficient cooling device for heat treatment of the nodular cast iron crankshaft as claimed in claim 1, wherein: each laminate (17) is fixedly provided with a placing plate (18), and the placing plate (18) is provided with a plurality of air guide holes (19) in the vertical direction and the horizontal direction.
4. The efficient cooling device for heat treatment of the nodular cast iron crankshaft as claimed in claim 3, wherein: the air guide hole (19) in the horizontal direction is communicated with the vertical direction.
5. The efficient cooling device for heat treatment of the nodular cast iron crankshaft as claimed in claim 3, wherein: the thickness of the placing plate (18) is 20-40 mm.
6. A highly efficient cooling device for heat treatment of nodular cast iron crankshaft according to any of claims 1 to 5, characterized in that: the outside cover of lift rack (7) is equipped with removal bellows (8) of rectangle frame structure, removes bellows (8) and is located cooling box (5), and remove bellows (8) with carousel (10) parallel and level, the footpath of carousel (10) is upwards rotated through first round pin axle (11) and is connected with horizontally connecting rod (9), the other one end of connecting rod (9) stretches into in cooling box (5), the tip rotates through second round pin axle (12) and connects on removing bellows (8) lateral wall.
7. The efficient cooling device for heat treatment of the nodular cast iron crankshaft as claimed in claim 6, wherein: and the other side of the movable air box (8) is fixedly connected with a guide rod (13) penetrating out of the cooling box body (5), and the guide rod (13) is in clearance fit with the cooling box body (5).
8. The efficient cooling device for heat treatment of the nodular cast iron crankshaft as claimed in claim 7, wherein: the inner end of the cooling box body (5) corresponding to the blast pipe (20) is communicated with a plurality of air nozzles (14) positioned in the movable air box (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911229366.5A CN110760655B (en) | 2019-12-04 | 2019-12-04 | Cooling device for nodular cast iron crankshaft heat treatment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911229366.5A CN110760655B (en) | 2019-12-04 | 2019-12-04 | Cooling device for nodular cast iron crankshaft heat treatment |
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| Publication Number | Publication Date |
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| CN110760655A true CN110760655A (en) | 2020-02-07 |
| CN110760655B CN110760655B (en) | 2021-03-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911229366.5A Active CN110760655B (en) | 2019-12-04 | 2019-12-04 | Cooling device for nodular cast iron crankshaft heat treatment |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002081760A1 (en) * | 2001-04-02 | 2002-10-17 | Nippon Steel Corporation | Rapid cooling device for steel band in continuous annealing equipment |
| CN204939539U (en) * | 2015-09-22 | 2016-01-06 | 陕西创英电力工程有限公司 | A kind of quench cooled case |
| CN205366785U (en) * | 2015-12-01 | 2016-07-06 | 迅得机械（东莞）有限公司 | Plate cooling strorage device |
| CN109237836A (en) * | 2018-09-21 | 2019-01-18 | 刘光才 | A kind of cooling equipment of even spraying formula |
| CN109234502A (en) * | 2018-11-09 | 2019-01-18 | 平湖市法埃斯铝制品有限公司 | A kind of air-blast quenching cooling device of aluminum profile |
| CN208933427U (en) * | 2018-10-29 | 2019-06-04 | 绍兴上虞华通螺丝有限公司 | Quenching cooler is used in a kind of production of screw |
| CN209162146U (en) * | 2018-12-10 | 2019-07-26 | 景德镇万平三阳精工机械有限公司 | The highly efficient cooling device of ductile iron crankshaft heat treatment |
-
2019
- 2019-12-04 CN CN201911229366.5A patent/CN110760655B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002081760A1 (en) * | 2001-04-02 | 2002-10-17 | Nippon Steel Corporation | Rapid cooling device for steel band in continuous annealing equipment |
| CN204939539U (en) * | 2015-09-22 | 2016-01-06 | 陕西创英电力工程有限公司 | A kind of quench cooled case |
| CN205366785U (en) * | 2015-12-01 | 2016-07-06 | 迅得机械（东莞）有限公司 | Plate cooling strorage device |
| CN109237836A (en) * | 2018-09-21 | 2019-01-18 | 刘光才 | A kind of cooling equipment of even spraying formula |
| CN208933427U (en) * | 2018-10-29 | 2019-06-04 | 绍兴上虞华通螺丝有限公司 | Quenching cooler is used in a kind of production of screw |
| CN109234502A (en) * | 2018-11-09 | 2019-01-18 | 平湖市法埃斯铝制品有限公司 | A kind of air-blast quenching cooling device of aluminum profile |
| CN209162146U (en) * | 2018-12-10 | 2019-07-26 | 景德镇万平三阳精工机械有限公司 | The highly efficient cooling device of ductile iron crankshaft heat treatment |
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| CN110760655B (en) | 2021-03-19 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Cooling device for heat treatment of nodular cast iron crankshaft Effective date of registration: 20211221 Granted publication date: 20210319 Pledgee: Hanshan Tongda Financing Guarantee Co.,Ltd. Pledgor: HANSHAN COUNTY XINGDA DUCTILE IRON FACTORY Registration number: Y2021980015694 |
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Date of cancellation: 20221220 Granted publication date: 20210319 Pledgee: Hanshan Tongda Financing Guarantee Co.,Ltd. Pledgor: HANSHAN COUNTY XINGDA DUCTILE IRON FACTORY Registration number: Y2021980015694 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right |