CN109234502A - A kind of air-blast quenching cooling device of aluminum profile - Google Patents
A kind of air-blast quenching cooling device of aluminum profile Download PDFInfo
- Publication number
- CN109234502A CN109234502A CN201811331937.1A CN201811331937A CN109234502A CN 109234502 A CN109234502 A CN 109234502A CN 201811331937 A CN201811331937 A CN 201811331937A CN 109234502 A CN109234502 A CN 109234502A
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- Prior art keywords
- air
- cooler bin
- aluminum profile
- intake stack
- cooling device
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- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 52
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 52
- 238000010791 quenching Methods 0.000 title claims abstract description 39
- 230000000171 quenching effect Effects 0.000 title claims abstract description 39
- 238000001816 cooling Methods 0.000 title claims abstract description 27
- 230000007246 mechanism Effects 0.000 claims abstract description 15
- 230000001105 regulatory effect Effects 0.000 claims abstract description 13
- 230000003028 elevating effect Effects 0.000 claims abstract description 8
- 230000005540 biological transmission Effects 0.000 claims description 16
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 230000009471 action Effects 0.000 description 9
- 229910045601 alloy Inorganic materials 0.000 description 4
- 239000000956 alloy Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000004411 aluminium Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000007723 die pressing method Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 230000035807 sensation Effects 0.000 description 1
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
-
- 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
- C21D9/0062—Heat-treating apparatus with a cooling or quenching zone
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/04—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Heat Treatments In General, Especially Conveying And Cooling (AREA)
Abstract
The present invention provides a kind of air-blast quenching cooling devices of aluminum profile, belong to technical field of mechanical processing.The air-blast quenching cooling device of this aluminum profile, including the internal cooler bin with cavity, it is characterized in that, several carrying rollers are provided in the cooler bin, several intake stacks are provided with above the carrying roller, one end of intake stack is closed end, the one air inlet general pipeline of other end connection of intake stack, it enters the wind general pipeline and is connected to an air inlet fan, several mounting holes are uniformly provided on the intake stack, it is respectively and fixedly provided with air outlet in mounting hole, elevating mechanism is equipped between intake stack and the top of cooler bin, regulating mechanism is equipped between carrying roller and the bottom of cooler bin；Several exhaust ducts are provided at the top of the cooler bin, the upper end of exhaust duct is connected to an air draft general pipeline, and air draft general pipeline is connected to an exhaust blower, and the lower end of exhaust duct is connected with the cavity of cooler bin.The present invention has the advantages that aluminum profile air-blast quenching can be carried out.
Description
Technical field
The invention belongs to technical field of mechanical processing, the air-blast quenching cooling device of especially a kind of aluminum profile.
Background technique
In machinery field, quenching technical is a kind of using very extensive processing method, and quenching technical is by certain gold
Belong to material to be heated to certain temperature and kept for the regular hour, changes its alloy structure, it is therefore an objective to improve the mechanical property of alloy
Can, increase corrosion resistance.Currently, aluminium extruded die pressing product is not only higher and higher to its mechanical property requirements, and to its appearance and size
More stringent requirements are proposed for precision, therefore, more can the alloy product of air-cooled reinforcing use online air-cooled form one after another
It realizes.Existing air-blast quenching is mostly air-cooled using the progress of single wind blow-through aluminum alloy surface, and air force is uncontrollable, single
Wind flow on the one hand influence product it is accurate molding and straightness, on the other hand consume energy it is higher, be unfavorable for the need of production energy-saving
It wants.
Press quenching quickly carries out cooling after referring to workpiece (for example, aluminum profile or other alloy profiles) Dynamic Extrusion
Production technology, corresponding equipment are known as press quenching device.In order to realize the rapid cooling of workpiece, the prior art has revealed that more
Kind air-cooled quenching device.For example, being fixedly installed with along the extrusion direction of workpiece more in relatively conventional air-cooled quenching device
Fans are dried directly or by air hose air port to workpiece, so that the workpiece squeezed out is cooled down.For another example, in another wind
In cold quenching device, blower passes through rigid air hose, flexible duct, air door, bellows and air port and dries to workpiece, so that the work squeezed out
Part is cooled down.
But above-mentioned air-cooled quenching device, the aluminum profile that extraneous conveying is come in both can have not been scooped out, it can not be right
The wind-force acted on aluminum profile is adjusted.In consideration of it, it is necessory to provide one kind with ideal cooling effect and can change
The air-cooled quenching device of kind operating environment, while to improve automation when aluminium profile quenching.
Summary of the invention
The purpose of the present invention is there is the above problem in view of the prior art, the air-blast quenching for proposing a kind of aluminum profile is cold
But device, the technical problem to be solved by the present invention is to how realize the air-blast quenching of aluminum profile.
Object of the invention can be realized by the following technical scheme: a kind of air-blast quenching cooling device of aluminum profile, packet
Include the internal cooler bin with cavity, which is characterized in that be provided in the cooler bin several defeated in cavity for aluminum profile
The carrying roller sent, is provided with several intake stacks above the carrying roller, and one end of intake stack is closed end, intake stack it is another
One end connection one air inlet general pipeline, air inlet general pipeline be connected to an air inlet fan, the intake stack along its length on uniformly open up
There are several mounting holes, air outlet is respectively and fixedly provided in mounting hole, the regulating valve for capableing of regulating air volume, institute are equipped on air outlet
The elevating mechanism of intake stack height can be adjusted by being equipped between the top of the intake stack and cooler bin stated, the carrying roller with
The regulating mechanism for capableing of adjusting carrier roller height is equipped between the bottom of cooler bin；Several rows are provided at the top of the cooler bin
Air piping, the upper end of exhaust duct are connected to an air draft general pipeline, and air draft general pipeline is connected to an exhaust blower, the lower end of exhaust duct and cooling
The cavity of case is connected.
The air-blast quenching cooling device of this aluminum profile, its working principle is that such: firstly, in the effect of elevating mechanism
Under, adjust the position of intake stack in the cavities, meanwhile, under the action of regulating mechanism, adjust carrying roller in the cavities
Position；Then, under the action of intake stack, air inlet general pipeline and air inlet fan, natural wind is inputted into the cavity of cooler bin；So
Afterwards, under the action of carrying roller, aluminum profile is inputted into cooler bin, and passes through aluminum profile from the air outlet of intake stack, is realized
The air-blast quenching of aluminum profile；Finally, realizing the row of input natural wind under the action of exhaust duct, air draft general pipeline and exhaust blower
It puts, to keep cooler bin interior air-flow stable.
In the air-blast quenching cooling device of above-mentioned aluminum profile, the elevating mechanism includes lifting cylinder and gas transmission branch
Frame, above-mentioned intake stack are equidistantly fixed on gas transmission bracket, and the cylinder body of the lifting cylinder is fixed on the top of cooler bin
Portion, straight down, and the piston rod end of lifting cylinder is fixed on gas transmission bracket the piston rod of lifting cylinder.
The piston rod of lifting cylinder extends downwardly, and gas transmission bracket moves downward, so that intake stack be driven to move downward, makes
The wind-force acted on aluminum profile becomes larger；The piston rod of lifting cylinder retracts upwards, and gas transmission bracket moves upwards, thus drive into
Air piping moves upwards, make to act on the wind-force on aluminum profile and become smaller, the wind-force size on main body control aluminum profile.
In the air-blast quenching cooling device of above-mentioned aluminum profile, pass through wave between the intake stack and air inlet general pipeline
The connection of line pipe.
In the air-blast quenching cooling device of above-mentioned aluminum profile, the regulating mechanism includes push-rod electric machine and conveying branch
Frame, above-mentioned carrying roller pass through bearing and are arranged on the transfer gantry, and one end of the carrying roller is fixed with sprocket wheel,
In carrying roller be connected by shaft coupling and a driving motor, the sprocket wheel of the carrying roller is connected by a chain, push rod
The body of motor is fixed on the bottom of cooler bin, and the push rod of push-rod electric machine straight up, and fix by the push rod end of push-rod electric machine
On transfer gantry.
Push-rod electric machine rotates forward, and push rod stretches out upwards, and transfer gantry moves upwards, and carrying roller moves upwards, so that correspondence is met
From the aluminum profile of extraneous input cooler bin；Push-rod electric machine reversion, push rod retract downwards, and transfer gantry moves downward, and carrying roller is downward
Movement, so that carrying roller be made to reset.
In the air-blast quenching cooling device of above-mentioned aluminum profile, internal screw thread is offered in the mounting hole, it is described
External screw thread matched with the internal thread is offered on air outlet, air outlet is screwed onto the mounting hole.Using being spirally connected
Mode can make between air outlet and intake stack realize be detachably connected, thus be conducive to installation and removal.
In the air-blast quenching cooling device of above-mentioned aluminum profile, baffle is provided on the wall box of the cooler bin
One and baffle two.Baffle one and baffle two can prevent aluminum profile from deviateing carrying roller conveying.
In the air-blast quenching cooling device of above-mentioned aluminum profile, the company of being respectively fixed on the inner sidewall of the cooler bin
Extension bar one and connecting rod two, above-mentioned baffle one are fixed in connecting rod one by two nuts, and above-mentioned baffle two passes through two
A nut is fixed in connecting rod two.
Compared with prior art, the invention has the following advantages that
1, setting of the carrying roller in cooler bin may be implemented by transfer gantry in the present invention, may be implemented by push-rod electric machine
The adjusting of carrying roller height improves automation to meet the aluminum profile come in from extraneous conveying automatically.
2, by gas transmission bracket setting of the intake stack in cooler bin may be implemented in the present invention, can be with by lifting cylinder
The adjusting of intake stack height is realized, to adjust the wind-force size of aluminium shape surface receiving.
It 3, can be into the cavity of cooler bin endlessly under the action of intake stack, air inlet general pipeline and air inlet fan
Natural wind is inputted, realizes the air-blast quenching to aluminum profile.
4, it under the action of exhaust duct, air draft general pipeline and exhaust blower, realizes the discharge of input natural wind, realizes cooler bin
Interior air-flow is stable.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention.
Fig. 2 is the arrangement architecture schematic diagram of intake stack in the present invention.
Fig. 3 is the arrangement architecture schematic diagram of middle idler roller of the present invention.
In figure, 1, cooler bin；2, intake stack；3, general pipeline is entered the wind；4, air inlet fan；5, air outlet；6, exhaust duct；7, it arranges
Wind general pipeline；8, exhaust blower；9, lifting cylinder；10, gas transmission bracket；11, carrying roller；12, push-rod electric machine；13, transfer gantry；14, it keeps off
Plate one；15, baffle two；16, connecting rod one；17, connecting rod two.
Specific embodiment
Following is a specific embodiment of the present invention in conjunction with the accompanying drawings, technical scheme of the present invention will be further described,
However, the present invention is not limited to these examples.
As shown in Figure 1, a kind of air-blast quenching cooling device of aluminum profile, cooling including the internal cooler bin 1 with cavity
Nine carrying rollers 11 conveyed in cavity for aluminum profile are provided in case 1, the top of carrying roller 11 is provided with nine intake stacks 2,
One end of intake stack 2 is closed end, one air inlet of other end connection one air inlet general pipeline 3, air inlet general pipeline 3 connection of intake stack 2
Machine 4, intake stack 2 along its length on be uniformly provided with 11 mounting holes, be respectively and fixedly provided with air outlet 5 in mounting hole, out
The regulating valve for capableing of regulating air volume is equipped on tuyere 5.Specifically, internal screw thread is offered in mounting hole, on air outlet 5
The external screw thread to match with internal screw thread is offered, air outlet 5 is screwed onto mounting hole, and air outlet can be made by the way of being spirally connected
It realizes and is detachably connected between 5 and intake stack 2, to be conducive to installation and removal.The top of cooler bin 1 is provided with six roots of sensation air draft
Pipeline 6, the upper end of exhaust duct 6 are connected to an air draft general pipeline 7, and air draft general pipeline 7 is connected to an exhaust blower 8, the lower end of exhaust duct 6 with
The cavity of cooler bin 1 is connected.
As illustrated in fig. 1 and 2,2 height of intake stack can be adjusted by being equipped between intake stack 2 and the top of cooler bin 1
Elevating mechanism.Elevating mechanism includes lifting cylinder 9 and gas transmission bracket 10, and intake stack 2 is equidistantly fixed on gas transmission bracket 10,
The cylinder body of lifting cylinder 9 is fixed on the top of cooler bin 1, the piston rod of lifting cylinder 9 straight down, and the work of lifting cylinder 9
Stopper rod end is fixed on gas transmission bracket 10, is connected between intake stack 2 and air inlet general pipeline 3 by bellows.When lifting cylinder 9
Piston rod extend downwardly, gas transmission bracket 10 moves downward, so that intake stack 2 be driven to move downward, makes to act on aluminum profile
On wind-force become larger；When the piston rod of lifting cylinder 9 retracts upwards, gas transmission bracket 10 is moved upwards, to drive intake stack 2
It moves upwards, makes to act on the wind-force on aluminum profile and become smaller, the wind-force size on main body control aluminum profile.
As shown in figs. 1 and 3, the adjusting machine for capableing of 11 height of adjusting carrier roller is equipped between carrying roller 11 and the bottom of cooler bin 1
Structure.Regulating mechanism includes push-rod electric machine 12 and transfer gantry 13, and carrying roller 11 is arranged on transfer gantry 13 by bearing, carrying roller
11 one end is fixed with sprocket wheel, wherein a carrying roller 11 is connected by shaft coupling and a driving motor, the chain of all carrying rollers 11
For wheel by the connection of chain, the body of push-rod electric machine 12 is fixed on the bottom of cooler bin 1, the push rod of push-rod electric machine 12 vertically to
On, and the push rod end of push-rod electric machine 12 is fixed on transfer gantry 13.When push-rod electric machine 12 rotates forward, push rod stretches out upwards, defeated
Bracket 13 is sent to move upwards, carrying roller 11 moves upwards, thus the corresponding aluminum profile met from extraneous input cooler bin 1；Work as push rod
Motor 12 inverts, and push rod retracts downwards, and transfer gantry 13 moves downward, and carrying roller 11 moves downward, so that carrying roller 11 be made to reset.
In the present embodiment, baffle 1 and baffle 2 15, baffle 1 and gear are provided on the wall box of cooler bin 1
Plate 2 15 can prevent aluminum profile from deviateing the conveying of carrying roller 11.Specifically, connecting rod is respectively fixed on the inner sidewall of cooler bin 1
1 and connecting rod 2 17, baffle 1 be fixed in connecting rod 1 by two nuts, baffle 2 15 pass through two nuts
It is fixed in connecting rod 2 17.
The air-blast quenching cooling device of this aluminum profile, its working principle is that such: firstly, in lifting cylinder 9 and gas transmission
Under the action of bracket 10, the position of intake stack 2 in the cavities is adjusted, meanwhile, in push-rod electric machine 12 and transfer gantry 13
Under effect, the position of carrying roller 11 in the cavities is adjusted；Then, in the effect of intake stack 2, air inlet general pipeline 3 and air inlet fan 4
Under, natural wind is inputted into the cavity of cooler bin 1；Then, under the action of carrying roller 11, aluminum profile is inputted into cooler bin 1, and
Pass through aluminum profile from the air outlet 5 of intake stack 2, realizes the air-blast quenching of aluminum profile；Finally, total in exhaust duct 6, air draft
Under the action of pipe 7 and exhaust blower 8, the discharge of input natural wind is realized, to keep 1 interior air-flow of cooler bin stable.
Specific embodiment described herein is only an example for the spirit of the invention.The neck of technology belonging to the present invention
The technical staff in domain can make various modifications or additions to the described embodiments or replace by a similar method
In generation, however, it does not deviate from the spirit of the invention or beyond the scope of the appended claims.
Although 1, cooler bin is used more herein；2, intake stack；3, general pipeline is entered the wind；4, air inlet fan；5, air outlet；
6, exhaust duct；7, air draft general pipeline；8, exhaust blower；9, lifting cylinder；10, gas transmission bracket；11, carrying roller；12, push-rod electric machine；13,
Transfer gantry；14, baffle one；15, baffle two；16, connecting rod one；17, the second-class term of connecting rod, but be not precluded using other
A possibility that term.The use of these items is only for be more convenient to describe and explain essence of the invention；They are explained
It at any additional limitation is disagreed with spirit of that invention.
Claims (7)
1. the air-blast quenching cooling device of a kind of aluminum profile, including the internal cooler bin with cavity, which is characterized in that described
It is provided with several carrying rollers conveyed in cavity for aluminum profile in cooler bin, is provided with several blast pipes above the carrying roller
Road, one end of intake stack are closed end, one air inlet of other end connection one air inlet general pipeline, air inlet general pipeline connection of intake stack
Machine, the intake stack along its length on be uniformly provided with several mounting holes, air outlet is respectively and fixedly provided in mounting hole, out
The regulating valve for capableing of regulating air volume is equipped on tuyere, being equipped between the intake stack and the top of cooler bin can
The elevating mechanism for adjusting intake stack height is equipped between the carrying roller and the bottom of cooler bin and is capable of adjusting carrier roller height
Regulating mechanism；Several exhaust ducts are provided at the top of the cooler bin, the upper end of exhaust duct is connected to an air draft general pipeline, row
Wind general pipeline is connected to an exhaust blower, and the lower end of exhaust duct is connected with the cavity of cooler bin.
2. the air-blast quenching cooling device of aluminum profile according to claim 1, which is characterized in that the elevating mechanism packet
Lifting cylinder and gas transmission bracket are included, above-mentioned intake stack is equidistantly fixed on gas transmission bracket, the cylinder of the lifting cylinder
Body is fixed on the top of cooler bin, the piston rod of lifting cylinder straight down, and the piston rod end of lifting cylinder be fixed on it is defeated
On gas bracket.
3. the air-blast quenching cooling device of aluminum profile according to claim 2, which is characterized in that the intake stack with
It enters the wind and is connected between general pipeline by bellows.
4. the air-blast quenching cooling device of aluminum profile according to claim 1, which is characterized in that the regulating mechanism packet
Push-rod electric machine and transfer gantry are included, above-mentioned carrying roller passes through bearing and is arranged on the transfer gantry, the carrying roller
One end is fixed with sprocket wheel, wherein a carrying roller is connected by shaft coupling and a driving motor, the sprocket wheel of the carrying roller is logical
Cross the connection of chain, the body of push-rod electric machine is fixed on the bottom of cooler bin, the push rod of push-rod electric machine straight up, and push rod
The push rod end of motor is fixed on transfer gantry.
5. the air-blast quenching cooling device of aluminum profile according to claim 1, which is characterized in that opened in the mounting hole
Equipped with internal screw thread, external screw thread matched with the internal thread is offered on the air outlet, air outlet is screwed onto described
In mounting hole.
6. the air-blast quenching cooling device of aluminum profile according to claim 1, which is characterized in that the case of the cooler bin
Baffle one and baffle two are provided on body sidewall.
7. the air-blast quenching cooling device of aluminum profile according to claim 6, which is characterized in that the cooler bin it is interior
Connecting rod one and connecting rod two are respectively fixed on side wall, above-mentioned baffle one is fixed in connecting rod one by two nuts,
Above-mentioned baffle two is fixed in connecting rod two by two nuts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811331937.1A CN109234502A (en) | 2018-11-09 | 2018-11-09 | A kind of air-blast quenching cooling device of aluminum profile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811331937.1A CN109234502A (en) | 2018-11-09 | 2018-11-09 | A kind of air-blast quenching cooling device of aluminum profile |
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| Publication Number | Publication Date |
|---|---|
| CN109234502A true CN109234502A (en) | 2019-01-18 |
Family
ID=65077757
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811331937.1A Pending CN109234502A (en) | 2018-11-09 | 2018-11-09 | A kind of air-blast quenching cooling device of aluminum profile |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110586846A (en) * | 2019-09-19 | 2019-12-20 | 温州三连汽车零部件有限公司 | Temperature-controlled cooling process and equipment for forge piece |
| CN110760655A (en) * | 2019-12-04 | 2020-02-07 | 含山县兴达球墨铸铁厂 | Efficient cooling device for heat treatment of nodular cast iron crankshaft |
| CN111270052A (en) * | 2020-03-27 | 2020-06-12 | 丰城市顺达五金制品有限公司 | Improved cooling heat treatment equipment for alloy steel strip and alloy steel strip heat treatment process |
| CN111719098A (en) * | 2020-06-30 | 2020-09-29 | 卞光好 | Cooling equipment is used in aluminum product processing |
| CN113265523A (en) * | 2021-05-13 | 2021-08-17 | 湖北蓝华铝业有限公司 | Air-cooled quenching device in extrusion forming process |
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Cited By (5)
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|---|---|---|---|---|
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| CN110760655A (en) * | 2019-12-04 | 2020-02-07 | 含山县兴达球墨铸铁厂 | Efficient cooling device for heat treatment of nodular cast iron crankshaft |
| CN111270052A (en) * | 2020-03-27 | 2020-06-12 | 丰城市顺达五金制品有限公司 | Improved cooling heat treatment equipment for alloy steel strip and alloy steel strip heat treatment process |
| CN111719098A (en) * | 2020-06-30 | 2020-09-29 | 卞光好 | Cooling equipment is used in aluminum product processing |
| CN113265523A (en) * | 2021-05-13 | 2021-08-17 | 湖北蓝华铝业有限公司 | Air-cooled quenching device in extrusion forming process |
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