CN203373393U - Rapid cooling device for thermal treatment - Google Patents
Rapid cooling device for thermal treatment Download PDFInfo
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- CN203373393U CN203373393U CN201320376477.0U CN201320376477U CN203373393U CN 203373393 U CN203373393 U CN 203373393U CN 201320376477 U CN201320376477 U CN 201320376477U CN 203373393 U CN203373393 U CN 203373393U
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Abstract
The utility model relates to a rapid cooling device for thermal treatment. The rapid cooling device comprises a box body and a fan, wherein an air inlet and an air outlet are arranged at the top of the box body, the box body is also internally provided with a clapboard, the box body is divided by the clapboard into an air inlet channel, an air accelerating channel, a workpiece air cooling cavity and a circulating air channel which are sequentially connected and form a closed cycle passage, the air inlet channel is opposite to the position of the air inlet, the workpiece air cooling cavity is opposite to the position of the air outlet, the fan is arranged at the joint of the air inlet channel and the air accelerating channel, the sectional area of the air port of the air accelerating channel at the side of the air inlet channel is greater than the sectional area of the air port of the air accelerating channel at the side of the workpiece air cooling cavity, the circulating air channel is internally provided with a first valve, the air inlet is provided with a second valve, and the air outlet is provided with a third valve. The rapid cooling device for thermal treatment can rapidly cool the workpiece so as to lighten workpiece deformation, and also can carry out isothermal treatment on the workpiece.
Description
Technical field
Key in herein technical field and describe paragraph.The utility model relates to a kind of thermal treatment frock, after especially a kind of product normalizing insulation thicker for size, carries out fast cold frock, belongs to the metal heat treatmet technical field.
Background technology
Normalizing is a kind of common thermal treatment process, is that after steel are heated to austenitizing, air cooling obtains than the technique of nodular troostite tissue.Normalizing can make grain refining, and eliminates internal stress.Normalizing not only can be used as final heat treatment step, also is widely used in the conditioning heat treatment before steel quench.
Most workpiece are through after the early stage moulding process, and the crystal grain of material internal is comparatively thick, and tissue odds is even, has certain defect, in order to guarantee the quality of product, must before being quenched, first carry out the normalizing pre-treatment.General normalizing process is after workpiece is heated to austenitizing temperature, through insulation, more directly is positioned in air, makes the workpiece naturally cooling, relies on the natural flow of air to take away the heat of workpiece surface fully.For this normalizing process workpiece thicker for size usually due to the difference of workpiece surface and heart section cooling rate, cause the ununiformity of performance on cross section, and may cause the distortion that product is larger when serious, very easily cause scrapping of product, and the cooling used time of air natural is longer, inefficiency, improved production cost.
Chinese patent literature CN101468365(application number is 200710125664.0) disclose a kind of air ducting and comprise a base plate, protrude sidewall and the top board formed from the outer rim of this base plate, have a hand-hole on this base plate, relatively with hand-hole on this top board have one and portal, one side of this sidewall offers air intake vent, this hand-hole spaced around is distributed with some air deflectors that portal that air-flow is guided into from air intake vent, and described some air deflectors and sidewall separate and form an air outlet between two adjacent air deflectors.This installs air outlet around the high temperature section bar, the cooling hot air circulation of evenly having avoided, but this application of installation face is narrower, can not carry out isothermal processes to workpiece.
The utility model content
The purpose of this utility model is to provide and a kind ofly can realizes the cooling fast of workpiece, reduces workpiece distortion, can also carry out to workpiece the thermal treatment fast cooling device of isothermal processes simultaneously.
The technical scheme that realizes the utility model purpose is a kind of thermal treatment fast cooling device, comprise casing and blower fan, the top of described casing is provided with blast inlet and air outlet, also be provided with dividing plate in described casing, described dividing plate is separated into described casing air inlet duct, speedup air channel, the air-cooled chamber of workpiece and the circulation air path that is connected successively and forms closed-loop path, described air inlet duct is relative with the position of described blast inlet, and the air-cooled chamber of described workpiece is relative with the position of described air outlet; Described blower fan is positioned at the junction in described air inlet duct and described speedup air channel; The diameter in the air port that is positioned at described air inlet duct one side in described speedup air channel is greater than the diameter that is positioned at Yi Ce air port, the air-cooled chamber of described workpiece; Be provided with the first valve in described circulation air path, described blast inlet is provided with the second valve, and described air outlet is provided with the 3rd valve.
Above-mentioned workpiece is provided with infrared temperature measurement apparatus in air-cooled chamber.
Above-mentioned casing is rectangular box, described air inlet duct is surrounded by the described dividing plate of vertical setting and the side plate of described casing, described speedup air channel is surrounded by the described dividing plate be obliquely installed and the base plate of described casing, the air-cooled chamber of described workpiece is surrounded by the described dividing plate of vertical setting and top board, side plate and the base plate of described casing, and described circulation air path is surrounded by the top board of horizontally disposed described dividing plate and described casing.
Above-mentioned workpiece is provided with workpiece suspension mechanism in air-cooled chamber, and described workpiece suspension mechanism comprises chassis and is located at the hanger on described chassis.
Above-mentioned air outlet is provided with exhaust duct outward.
The side plate that surrounds the air-cooled chamber of described workpiece of above-mentioned casing is provided with door.
Above-mentioned door comprises the front lateral sliding door on the front side side plate that is positioned at the air-cooled chamber of described workpiece and is positioned at the rear lateral sliding door on the rear side side plate in the air-cooled chamber of described workpiece.
The utlity model has positive effect:
(1) thermal treatment of the present utility model can be accelerated the speed of cooling after the workpiece associated hot is processed effectively with fast cooling device, enhances productivity.This device is can Quick uniform cooling by the air-cooled workpiece that makes of high speed, thereby has reduced workpiece deformation, has improved the quality of workpiece, greatly reduces the scrap rate in thermal treatment process research and development and batch production process, has effectively controlled production cost.By controlling the opening and closing of each different valve, the insulation of workpiece can be realized in addition, with quick air-cooled looping, During Isothermal Heat Treatment can be realized.
(2) thermal treatment of the present utility model is provided with infrared temperature measurement apparatus with fast cooling device in air-cooled chamber, infrared temperature measurement apparatus is monitored in real time to the temperature of workpiece surface, carry out quick air-cooled or be incubated processing according to the surface temperature judgement of workpiece, can realize the switching of the different types of cooling, convenient and practical.
(3) compact construction of air inlet duct, speedup air channel, the air-cooled chamber of workpiece and circulation air path in fast cooling device for thermal treatment of the present utility model, reasonable in design, makes the manufacturing cost of this device greatly reduce.
(4) be provided with workpiece suspension mechanism in the air-cooled chamber of thermal treatment of the present utility model with fast cooling device, large batch of workpiece can be suspended in workpiece suspension mechanism together and to carry out coolingly in feeder, picks and places conveniently.
The accompanying drawing explanation
Fig. 1 is the internal structure schematic diagram of thermal treatment of the present utility model with fast cooling device.
Fig. 2 be thermal treatment of the present utility model with fast cooling device the structural representation during from top view.
Fig. 3 is thermal treatment of the present utility model structural representation while observing from the back side with fast cooling device.
The mark of above-mentioned accompanying drawing is as follows:
Blower fan 1, blast inlet 2, the first valve 31, the second valve 32, the three valves 33, air outlet 4,
Workpiece suspension mechanism 5, chassis 51, hanger 52,
Exhaust duct 10,
Front lateral sliding door 101, rear lateral sliding door 102.
Embodiment
(embodiment 1)
See Fig. 1, the thermal treatment fast cooling device of the present embodiment, comprise casing 6 and be located at the blower fan 1 in casing 6.Blower fan 1 is powerful recirculation blower.Casing 6 is rectangular box.The top of casing 6 is provided with blast inlet 2 and air outlet 4.Casing 6 is provided with exhaust duct 10, and exhaust duct 10 is positioned at air outlet 4 places.Also be provided with dividing plate 8 in casing, dividing plate 8 is separated into casing 6 the air-cooled chamber 93 of air inlet duct 91, speedup air channel 92, workpiece and the circulation air path 94 that is connected successively and forms closed-loop path.Air inlet duct 91 is surrounded with the side plate of casing 6 by the dividing plate 8 of vertical setting, and blast inlet 2 is positioned at the top of air inlet duct 91.Speedup air channel 92 is surrounded by the dividing plate 8 be obliquely installed and the base plate of casing 6, and the diameter in the air port that is positioned at air inlet duct 91 1 sides in speedup air channel 92 is greater than the diameter in the air port that is positioned at the air-cooled chamber of workpiece 93 1 sides.Blower fan 1 is positioned at air inlet duct 91 and 92 junction, speedup air channel.The air-cooled chamber 93 of workpiece is surrounded with top board, side plate and the base plate of casing 6 by the dividing plate 8 of vertical setting, and air outlet 4 is positioned at 93 top, the air-cooled chamber of workpiece.Circulation air path 94 is surrounded by horizontally disposed dividing plate 8 and the top board of casing 6.Be provided with the first valve 31 in circulation air path 94, blast inlet 2 is provided with the second valve 32, and air outlet 4 is provided with the 3rd valve 33.Workpiece is provided with the infrared temperature measurement apparatus 7 for the surface temperature of Real-Time Monitoring workpiece 100 in air-cooled chamber 93.
See Fig. 2 and Fig. 3,93 front side, the air-cooled chamber of the workpiece side plate that surrounds of casing 6 is provided with front lateral sliding door 101, and its rear side side plate is provided with rear lateral sliding door 102.
See Fig. 1, workpiece is provided with workpiece suspension mechanism 5 in air-cooled chamber 93, and workpiece suspension mechanism 5 comprises chassis 51 and is located at the hanger 52 on chassis 51.Workpiece 100 is suspended on hanger 52.
Thermal treatment fast cooling device of the present utility model, in use, open front lateral sliding door 101, the hanger 52, chassis 51 that first will be hung with workpiece 100 is together in the air-cooled chamber 93 of workpiece of pushing in device, can accurately monitor the position of the surface temperature of workpiece 100 to infrared temperature measurement apparatus 7, close front lateral sliding door 101, by workpiece air-cooled chamber 93 sealings, open blower fan 1.
When realizing workpiece 100 quick cooling, open the second valve 32 and the 3rd valve 33, close the first valve 31.Now, effect due to blower fan 1, freezing air enters from blast inlet 2, the air inlet duct 91 of flowing through, speedup air channel 92, and in the speedup air channel 92 further speedups, then enter the air-cooled chamber 93 of workpiece, bottom from workpiece 100, from bottom to top pass through whole workpiece 100, then by air outlet 4, discharged, thereby take away the heat on the surface of workpiece 100, make the temperature of workpiece 100 constantly descend, the surface temperature of infrared temperature measurement apparatus 7 monitoring workpieces 100, when temperature is down to preset temp, close blower fan 1, open rear lateral sliding door 102, by chassis 51, hanger 52 is pulled out together with workpiece 100, then close rear lateral sliding door 102.
In the elder generation that realizes workpiece 100 fast during cooling rear isothermal, first by above-mentioned steps, realize coolingly fast, when the surface temperature that infrared temperature measurement apparatus 7 monitors workpiece 100 is down to isothermal temperature, close the second valve 32 and the 3rd valve 33, open the first valve 31.Now air is only in the device internal recycling, can realize the insulating process of workpiece 100, if now because workpiece 100 internal temperatures diffuse to surface, cause the surface temperature of workpiece 100 higher than isothermal temperature, open the second valve 32 and the 3rd valve 33, close the first valve 31, proceed coolingly fast, by this circulation, can realize the thermal treatment isothermal process.
Thermal treatment of the present utility model is not limited to above-mentioned with fast cooling device
eachembodiment.Obviously, above-described embodiment is only for the utility model example clearly is described, and is not the restriction to embodiment of the present utility model.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without also giving all embodiments.And these belong to apparent variation that spirit of the present utility model extended out or change still among protection domain of the present utility model.
Claims (7)
1. a thermal treatment fast cooling device, comprise casing (6) and blower fan (1), the top of described casing (6) is provided with blast inlet (2) and air outlet (4), it is characterized in that: also be provided with dividing plate (8) in described casing, described dividing plate (8) is separated into described casing (6) air inlet duct (91) that is connected successively and forms closed-loop path, speedup air channel (92), the air-cooled chamber of workpiece (93) and circulation air path (94), described air inlet duct (91) is relative with the position of described blast inlet (2), the air-cooled chamber of described workpiece (93) is relative with the position of described air outlet (4), described blower fan (1) is positioned at the junction in described air inlet duct (91) and described speedup air channel (92), the sectional area in the air port that is positioned at described air inlet duct (91) one sides in described speedup air channel (92) is greater than the sectional area in the air port that is positioned at the air-cooled chamber of described workpiece (93) one sides, be provided with the first valve (31) in described circulation air path (94), described blast inlet (2) is provided with the second valve (32), and described air outlet (4) is provided with the 3rd valve (33).
2. according to a kind of thermal treatment fast cooling device claimed in claim 1, it is characterized in that: be provided with infrared temperature measurement apparatus (7) in the air-cooled chamber of described workpiece (93).
3. according to a kind of thermal treatment fast cooling device claimed in claim 2, it is characterized in that: described casing (6) is rectangular box, described air inlet duct (91) is surrounded with the side plate of described casing (6) by the described dividing plate (8) of vertical setting, described speedup air channel (92) is surrounded by the described dividing plate (8) be obliquely installed and the base plate of described casing (6), the air-cooled chamber of described workpiece (93) is by the described dividing plate (8) of vertical setting and the top board of described casing (6), side plate and base plate surround, described circulation air path (94) is surrounded by horizontally disposed described dividing plate (8) and the top board of described casing (6).
4. according to the described a kind of thermal treatment fast cooling device of one of claims 1 to 3, it is characterized in that: be provided with workpiece suspension mechanism (5) in the air-cooled chamber of described workpiece (93), described workpiece suspension mechanism (5) comprises chassis (51) and is located at the hanger (52) on described chassis (51).
5. according to the described a kind of thermal treatment fast cooling device of one of claims 1 to 3, it is characterized in that: the outer exhaust duct (10) that is provided with of described air outlet (4).
6. according to the described a kind of thermal treatment fast cooling device of one of claims 1 to 3, it is characterized in that: the side plate that surrounds the air-cooled chamber of described workpiece (93) of described casing (6) is provided with door.
7. according to a kind of thermal treatment fast cooling device claimed in claim 6, it is characterized in that: described door comprises the front lateral sliding door (101) on the front side side plate that is positioned at the air-cooled chamber of described workpiece (93) and is positioned at the rear lateral sliding door (102) on the rear side side plate in the air-cooled chamber of described workpiece (93).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320376477.0U CN203373393U (en) | 2013-06-26 | 2013-06-26 | Rapid cooling device for thermal treatment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320376477.0U CN203373393U (en) | 2013-06-26 | 2013-06-26 | Rapid cooling device for thermal treatment |
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| Publication Number | Publication Date |
|---|---|
| CN203373393U true CN203373393U (en) | 2014-01-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320376477.0U Expired - Fee Related CN203373393U (en) | 2013-06-26 | 2013-06-26 | Rapid cooling device for thermal treatment |
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| Country | Link |
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| CN (1) | CN203373393U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110042208A (en) * | 2019-05-29 | 2019-07-23 | 爱协林热处理***(北京)有限公司 | Workpiece quickly cooling device under protective atmosphere |
| CN114657336A (en) * | 2022-03-17 | 2022-06-24 | 亚捷科技（唐山）股份有限公司 | Protective atmosphere normalizing furnace cooling structure |
-
2013
- 2013-06-26 CN CN201320376477.0U patent/CN203373393U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110042208A (en) * | 2019-05-29 | 2019-07-23 | 爱协林热处理***(北京)有限公司 | Workpiece quickly cooling device under protective atmosphere |
| CN110042208B (en) * | 2019-05-29 | 2024-05-28 | 爱协林热处理***(北京)有限公司 | Workpiece rapid cooling device under protective atmosphere |
| CN114657336A (en) * | 2022-03-17 | 2022-06-24 | 亚捷科技（唐山）股份有限公司 | Protective atmosphere normalizing furnace cooling structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140101 Termination date: 20170626 |