CN107245561A - The water sky alternating time quenching cooling device and method of a kind of HI-chrome cast iron for grinding balls - Google Patents
The water sky alternating time quenching cooling device and method of a kind of HI-chrome cast iron for grinding balls Download PDFInfo
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- CN107245561A CN107245561A CN201710329949.XA CN201710329949A CN107245561A CN 107245561 A CN107245561 A CN 107245561A CN 201710329949 A CN201710329949 A CN 201710329949A CN 107245561 A CN107245561 A CN 107245561A
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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
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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
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/62—Quenching devices
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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
- C21D11/00—Process control or regulation for heat treatments
- C21D11/005—Process control or regulation for heat treatments for cooling
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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
- C21D9/36—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for balls; for rollers
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Abstract
The invention provides a kind of water of HI-chrome cast iron for grinding balls sky alternating time quenching cooling device and method, described device includes：Quenching cooling feeding mechanism, at least one first time water quenching cooling mechanism, at least one air cooling mechanism, at least one second of water quenching cooling mechanism and end-of-job discharging mechanism, HI-chrome cast iron for grinding balls pass sequentially through quenching cooling feeding mechanism, first time water quenching cooling mechanism, air cooling mechanism, second of water quenching cooling mechanism and end-of-job discharging mechanism；Water quenching cooling area is made up of quenching tank, rotary dial arm, rotating mass and flood zone movable passageway；Air cooling zone lifts movable passageway, elevator and lifting moving arm by air cooling movable passageway, air cooling and constituted.Methods described is implemented by quenching cooling feed zone, first time water quenching cooling area, air cooling zone, second of water quenching cooling area, end-of-job discharge zone composition.The present invention performs water sky alternately time quenching cooling technique, solves the technical barrier of HI-chrome cast iron for grinding balls water quenching cracking.
Description
Technical field
The present invention relates to heat-treatment quenching cooling field, in particular it relates to which a kind of water of HI-chrome cast iron for grinding balls-sky is alternately controlled
When quenching cooler and method.
Background technology
Here quenching cooling refers to the rich chromium cast iron in austenitic state, by with appropriate speed cooling, obtains pre-
The process of phase microstructure and property.In this process, requirement is not reached if excessively slow the obtained microstructure and property of cooldown rate；
If cooldown rate is too fast, although tissue and performance, which are met, to be required, may be accompanied by the generation of cracking, be caused the report of quenching part
It is useless.The combination of suitable quenching cooling rate or technique and equipment reaches estimated performance to rich chromium cast iron and avoids cracking very
It is important.
Current HI-chrome cast iron for grinding balls quenching is divided into the press quenching after casting or after forging and the out-line quenching two reheated
Class.After casting or forging after press quenching be will it is cast after or forging after HI-chrome cast iron for grinding balls be delivered directly to Special quenching dress
The quenching cooling of progress is put, the medium of use is generally oils hardening media, organic hardening media and inorganic hardening media；Gao Ge
Out-line quenching after cast-iron grinding ball is reheated is cooled down, and is generally heated using cycle heating furnace or continuous furnace, then
HI-chrome cast iron for grinding balls is transferred in quenching tank quenching cooling is carried out in the way of immersion liquid, the medium of use is oils quenching Jie mostly
Matter, organic hardening media and inorganic hardening media.
Found through being retrieved to prior art literature, Chen Dong, shadow of the Gu Quanpei hardening medias to HI-chrome cast iron for grinding balls performance
Ring University of Fuzhou journal, 1989 (1):34-38, have studied cooling curve, temperature that HI-chrome cast iron for grinding balls is quenched in different medium
Field, hardening flaw, hardness distribution and the dropping shock experiment of Ф 60mm abrading-balls on section.As a result show that dry quenching fails to quench
Firmly, water quenching is cracked, and oil quenching is not cracked to the abrading-ball less than Ф 100mm, obtains good using organic hardening media
Comprehensive mechanical performance, inorganic hardening media can also meet requirement through appropriate whole tune technique.Due to oils hardening media, organic quenching
Medium and inorganic hardening media have a negative impact to environment, and it is desirable to develop the quenching bosher using water as medium
Skill and equipment.
In order to solve the problem of water quenching is ftractureed, found through retrieval, Dong Dashan, Jia Xiaoshuai, left instruction is big to wait the new MQ-P-T skills of
Application metal heat treatmet of the art in high chromium casting ball, 2016,41 (1):18-23 is right by the use of water and air as hardening media
Ф 80mm Fe-2.4C-12Cr HI-chrome cast iron for grinding balls enters water-filling-sky alternately time quenching cooling treatment, as a result shows, through water-
HI-chrome cast iron for grinding balls radial stiffness average value after sky alternating time quenching cooling treatment is about 60HRC, than oil quenching rich chromium cast iron
Abrading-ball improves about 5HRC.This researched and solved HI-chrome cast iron for grinding balls water quenching cracking technological problemses, but realize automationization with
The quenching cooler of mass is still the problem for restricting HI-chrome cast iron for grinding balls water quenching.
The content of the invention
For defect of the prior art, alternately controlled it is an object of the invention to provide a kind of water of HI-chrome cast iron for grinding balls-sky
When quenching cooler and method, the technical barrier of HI-chrome cast iron for grinding balls water quenching cracking can be solved very well.
According to the first aspect of the invention there is provided a kind of water of HI-chrome cast iron for grinding balls-sky alternating time quenching cooling device,
Described device includes：Quenching cooling feeding mechanism, at least one first time water quenching cooling mechanism, at least one air cooling mechanism, extremely
Few second of water quenching cooling mechanism and end-of-job discharging mechanism, HI-chrome cast iron for grinding balls pass sequentially through quenching cooling charger
Structure, first time water quenching cooling mechanism, air cooling mechanism, second of water quenching cooling mechanism and end-of-job discharging mechanism；Wherein：
The quenching cooling feeding mechanism, first time water quenching cooling mechanism is moved to by the HI-chrome cast iron for grinding balls；
The first time water quenching cooling mechanism, for carrying out first time Cooling Process to the HI-chrome cast iron for grinding balls, and will
The HI-chrome cast iron for grinding balls after first time water quenching cooling is transferred to the air cooling mechanism；
The air cooling mechanism, for carrying out process air cooler to the HI-chrome cast iron for grinding balls Jing Guo first time water quenching cooling,
And the HI-chrome cast iron for grinding balls after air cooling is transferred to second of water quenching cooling mechanism；
Second of water quenching cooling mechanism, for carrying out second of water cooling mistake to the HI-chrome cast iron for grinding balls after air cooling
Journey, and the HI-chrome cast iron for grinding balls after second of water quenching cooling is transferred to the end-of-job discharging mechanism；
The end-of-job discharging mechanism, the HI-chrome cast iron for grinding balls after second of water quenching cooling is moved from device
Go out.
Preferably, the quenching cooling feeding mechanism, the end-of-job discharging mechanism are by quick movable passageway group
Into the movement for completing the HI-chrome cast iron for grinding balls.
It is highly preferred that the quick movable passageway is made up of the first bottom plate, the first support plate and the first spacing side plate, it is described
First support plate supports the HI-chrome cast iron for grinding balls, and the first spacing side plate limits the HI-chrome cast iron for grinding balls position, described
One the first support plate and two the first spacing side plates are connected as one by the first bottom plate, form movable passageway.
Preferably, the first time water quenching cooling mechanism and second of water quenching cooling mechanism are by quenching tank, rotation
Moving arm, rotating mass and flood zone movable passageway composition, wherein：
The quenching tank, for holding cooling liquid；
The rotary dial arm, is arranged in the rotating mass, for driving the HI-chrome cast iron for grinding balls to be rolled；
The rotating mass, the rotary dial arm is driven for installing the rotary dial arm, and by itself rotation
Rotated；
The flood zone movable passageway, moves into the quenching tank progress water quenching cold by the HI-chrome cast iron for grinding balls
But, and by the HI-chrome cast iron for grinding balls after cooling it is moved out to next mechanism.
It is highly preferred that the flood zone movable passageway is made up of the second bottom plate, the second support plate and the second spacing side plate,
Second support plate supports the HI-chrome cast iron for grinding balls, and the second spacing side plate limits the HI-chrome cast iron for grinding balls position,
One the second support plate and two the second spacing side plates are connected as one by second bottom plate, form movable passageway.
Preferably, the air cooling mechanism lifts movable passageway, elevator and lifting moving arm by air cooling movable passageway, air cooling
Composition, wherein：
The air cooling movable passageway, the feeder connection connects the first time water quenching cooling mechanism, the rich chromium cast iron mill
Ball rolls carry out air cooling in the channels, while the channel outlet is connected to the air cooling lifting movable passageway, the high chromium casting
Iron abrading-ball enters the air cooling through the channel outlet and lifts movable passageway；
The air cooling lifts movable passageway, and the feeder connection is connected with air cooling movable passageway outlet, the high chromium casting
Iron abrading-ball is rolled in the channels, and the combination for lifting movable passageway by the air cooling movable passageway and the air cooling completes described
The process air cooler of HI-chrome cast iron for grinding balls；
The lifting moving arm, is arranged on elevator, and it is stirred in the HI-chrome cast iron for grinding balls air cooling, made
The HI-chrome cast iron for grinding balls is rolled in air cooling lifting movable passageway along direction initialization；
The elevator, for installing and being lifted the lifting moving arm, so that for driving the HI-chrome cast iron for grinding balls
Roll.
It is highly preferred that the air cooling movable passageway, air cooling lifting movable passageway be by the 3rd bottom plate, three abutments plate and
3rd spacing side plate composition, the three abutments plate supports the HI-chrome cast iron for grinding balls, and the 3rd spacing side plate limitation is described
One three abutments plate and two the 3rd spacing side plates are connected as one by HI-chrome cast iron for grinding balls position, the 3rd bottom plate, shape
Into movable passageway.
In said apparatus of the present invention, the first time water quenching cooling mechanism, air cooling mechanism, second of water quenching cooling mechanism can
Think multiple, multiple first time water quenching cooling mechanisms, air cooling mechanism, second water quenching cooling mechanism can with water quenching cooling mechanism,
Air cooling mechanism alternating sequence occurs, and can meet the technological requirement of more quenching coolings.
It is identical between quick movable passageway, air cooling movable passageway, air cooling lifting movable passageway in said apparatus of the present invention
It is all the passage that rolling movement is carried out as abrading-ball that part, which is,；It is a difference in that its length and the slanted angle between main shaft
It can be the same or different, can be straight line, curve or helix.
According to the second aspect of the invention there is provided a kind of water of HI-chrome cast iron for grinding balls-sky alternating time quenching cooling means,
Including：
Quenching cooling feed step：The step is carried out in quenching cooling feed zone, casts the rich chromium cast iron after reheating
Abrading-ball is in the initial position of quenching cooling feed zone, and the HI-chrome cast iron for grinding balls stays for some time in the region；
First time water quenching cooling step：The step is carried out in first time water quenching cooling area, and HI-chrome cast iron for grinding balls is cold from quenching
But feed zone fast scroll does rolling movement in the liquid medium for being immersed into quenching tank, kept to first time water quenching cooling area
Immersion liquid for a period of time, completes first time water quenching cooling process；
Air cooling step：The step is carried out in air cooling zone, and the HI-chrome cast iron for grinding balls by first time water quenching cooling is completed
Process air cooler；The air cooling zone is the alternate combinations that air cooling movable passageway lifts movable passageway with air cooling；
Second of water quenching cooling step：The step is carried out in second of water quenching cooling area, the Gao Ge after air cooling
Cast-iron grinding ball completes second of water quenching cooling process, and second of water quenching cooling, first time water quenching cooling process are identical；
End-of-job discharging step：Quenching cooling procedure terminates, and the rich chromium cast iron after second of water quenching cooling is ground
Ball is removed.
Preferably, the quenching tank, the liquid level of its liquid medium is all the time in a constant altitude, first time water quenching cooling
Step is identical with the immersion conditions of HI-chrome cast iron for grinding balls described in second of water quenching cooling step, and the HI-chrome cast iron for grinding balls is being quenched
The immersion liquid time sets according to technological requirement in fiery tank.
Preferably, it can enter between the first time water quenching cooling area, air cooling zone, second of water quenching cooling area, each of which area
Row any combination and multiplicating combination, to meet the requirement of water-sky alternating time quenching cooling technique.
Preferably, have between the quick movable passageway, air cooling movable passageway, air cooling lifting movable passageway and main shaft and incline
Oblique angle, the quick movable passageway, air cooling movable passageway, air cooling lifting movable passageway are straight line, curve or helix.
Preferably, methods described is by controlling the speed of rotation of rotating mass to realize the control of water quenching cooling time, to quench
The requirement of fiery cooling technique.
Preferably, the HI-chrome cast iron for grinding balls is spherosome, cylinder, ellipsoid.
Compared with prior art, the present invention has following beneficial effect：
The water of HI-chrome cast iron for grinding balls proposed by the present invention-sky alternating time quenching cooling technology, Gao Ge can be solved very well
The problem of cast-iron grinding ball water quenching cracking, and realize that water-sky of whole HI-chrome cast iron for grinding balls replaces oneself of time quenching cooling simultaneously
Dynamicization and mass, important condition is provided for HI-chrome cast iron for grinding balls preparation technology.
Brief description of the drawings
By reading the detailed description made with reference to the following drawings to non-limiting example, further feature of the invention,
Objects and advantages will become more apparent upon：
Fig. 1 is that water-sky alternating time quenching cooling device structure of HI-chrome cast iron for grinding balls in section Example of the present invention is shown
It is intended to；
Fig. 2 is movable passageway structural representation in section Example of the present invention；
In figure：Quick movable passageway 1, liquid level 2, quenching tank 3, rotary dial arm 4, rotating mass 5, flood zone movement
Passage 6, air cooling movable passageway 7, air cooling lifting movable passageway 8, elevator 9, lifting moving arm 10, bottom plate 11, support plate 12, limit
Position side plate 13, HI-chrome cast iron for grinding balls 14；
Quenching cooling feed zone 1., first time water quenching cooling area 2., air cooling zone 3., second of water quenching cooling area 4., work
Terminate discharge zone 5..
Embodiment
With reference to specific embodiment, the present invention is described in detail.Following examples will be helpful to the technology of this area
Personnel further understand the present invention, but the invention is not limited in any way.It should be pointed out that to the ordinary skill of this area
For personnel, without departing from the inventive concept of the premise, various modifications and improvements can be made.These belong to the present invention
Protection domain.
Embodiment 1
The product object of this instance processes is Ф 80mm HI-chrome cast iron for grinding balls.950 ± 10 DEG C are reheated to after casting,
Perform water-sky alternately time quenching cooling technique.Quench cooling technique：Air cooling (first time air cooling) (90s ± 10s) after coming out of the stove-
The water cooling (6s ± 2s) of-second air cooling (50s ± 5s) of first time water cooling (8s ± 2s)-second
Water-sky of whole HI-chrome cast iron for grinding balls replaces the realization of time quenching cooling means by the work district's groups of different characteristic
Into：Quenching cooling feed zone (performing first time air cooling), first time water quenching cooling area (performs first time water cooling), and air cooling zone (is held
Second of air cooling of row), second of water quenching cooling area (performing second of water cooling), end-of-job discharge zone.
The device used is as shown in figure 1, the device includes：Quenching cooling feeding mechanism, at least one first time water quenching
Cooling body, at least one air cooling mechanism, at least one second of water quenching cooling mechanism and end-of-job discharging mechanism, Gao Gezhu
Iron abrading-ball 14 passes sequentially through quenching cooling feeding mechanism, first time water quenching cooling mechanism, air cooling mechanism, second of water quenching cooling machine
Structure and end-of-job discharging mechanism.
It is preferred that, the quenching cooling feeding mechanism is located at quenching cooling feed zone；The end-of-job discharging
Mechanism is located at end-of-job discharge zone.
Preferably, the quenching cooling feeding mechanism, the end-of-job discharging mechanism use quick movable passageway 1
Constitute, the quick movable passageway 1 is made up of bottom plate 11, support plate 12 and spacing side plate 13, the support plate 12 supports described
HI-chrome cast iron for grinding balls 14, the spacing side plate 13 limits the position of HI-chrome cast iron for grinding balls 14, and the bottom plate 11 is by a bearing
Plate 12 and two spacing side plates 13 are connected as one, and form movable passageway (as shown in Figure 2).
It is preferred that, the first time water quenching cooling mechanism and second of water quenching cooling mechanism are by quenching tank
3rd, rotary dial arm 4, rotating mass 5 and flood zone movable passageway 6 are constituted；First time water quenching cooling mechanism is located at first time water
Quench cooling zone, second of water quenching cooling mechanism is located at second of water quenching cooling area；Wherein：
The quenching tank 3, for holding cooling liquid；
The rotary dial arm 4, is arranged in the rotating mass 5, for driving the HI-chrome cast iron for grinding balls 14 to carry out
Roll；
The rotating mass 5, the rotary dial is driven for installing the rotary dial arm 4, and by itself rotation
Arm 4 is rotated；
The flood zone movable passageway 6, moves into the quenching tank 3 by the HI-chrome cast iron for grinding balls 14 and enters water-filling
Quenching but, and the HI-chrome cast iron for grinding balls 14 after cooling is moved out to the leaching of next mechanism, i.e. first time water quenching cooling mechanism
The HI-chrome cast iron for grinding balls 14 is moved out to air cooling mechanism, the immersion area of second of water quenching cooling mechanism by aqua region movable passageway 6
The HI-chrome cast iron for grinding balls 14 is moved out to end-of-job discharging mechanism by domain movable passageway 6.
It is preferred that, the air cooling mechanism is by air cooling movable passageway 7, air cooling lifting movable passageway 8, elevator 9
Constituted with lifting moving arm 10；The mechanism is located at air cooling zone；Wherein：
The air cooling movable passageway 7, the feeder connection connects the first time water quenching cooling mechanism, the rich chromium cast iron mill
Ball 14 rolls progress air cooling in the channels, while the channel outlet is connected to the air cooling lifting movable passageway 8, the Gao Ge
Cast-iron grinding ball 14 enters the air cooling through the channel outlet and lifts movable passageway 8；
The air cooling lifts movable passageway 8, and the feeder connection is connected with the air cooling movable passageway 7 outlet, the Gao Ge
Cast-iron grinding ball 14 is rolled in the channels, and the combination for lifting movable passageway 8 by the air cooling movable passageway 7 and the air cooling is complete
Into the process air cooler of the HI-chrome cast iron for grinding balls 14；
The elevator 9, for installing and being lifted the lifting moving arm 10, so as to drive the HI-chrome cast iron for grinding balls 14
Roll；
The lifting moving arm 10, is arranged on elevator 9, it is dialled in 14 air cooling of HI-chrome cast iron for grinding balls
It is dynamic, the HI-chrome cast iron for grinding balls 14 is rolled in air cooling lifting movable passageway 8 along direction initialization.
In said structure, abrading-ball driving body that the rotary dial arm 4 and rotating mass 5 are constituted, the elevator 9 and carry
The abrading-ball driving body that moving arm 10 is constituted is risen, the unit rolled for driving abrading-ball along direction initialization.The quick movable passageway 1,
Air cooling movable passageway 7, air cooling lifting movable passageway 8 are all the passages that rolling movement is carried out as abrading-ball.The quick movement is led to
Road 1, flood zone movable passageway 6, air cooling movable passageway 7, air cooling lifting movable passageway 8 structure can with identical, by bottom plate 11,
Support plate 12 and spacing side plate 13 are constituted, as shown in Figure 2.
Water-sky the process that alternately time quenching is cooled down for carrying out HI-chrome cast iron for grinding balls using said apparatus is as follows：
Quenching cooling charging：HI-chrome cast iron for grinding balls after casting is reheated is in the initial bit that quenching cools down feed zone
Put, abrading-ball stops 90s in the region, and the residence time can be arranged as required to, and can also be other in other embodiments
Time.
Perform first time Cooling Process：The abrading-ball of initial position in quenching cooling feed zone is along quick movable passageway 1
Fast scroll to flood zone movable passageway 6 initial position, abrading-ball be immersed under the driving of rotary dial arm 4 liquid level 2 with
Under quenching tank 3 among do rolling movement, the stage immersion liquid time control in 8s；Immersion liquid time control herein can be with
By controlling the speed of rotation of rotating mass 5 to realize.
Perform second of process air cooler：Abrading-ball is by entering air cooling movable passageway 7 and air cooling behind first time water quenching cooling area
Lift movable passageway 8, the stage time control in 50s, the control that the time in this stage passes through to abrading-ball rolling rate is real
It is existing.
Perform second of Cooling Process：Action is identical with first time water quenching cooling process, simply in the immersion liquid in the stage
Between control in 6s, the immersion liquid time is by controlling the speed of rotation of rotating mass 5 to realize.
Last abrading-ball enters end-of-job discharge zone, and quenching cooling procedure terminates.
In the above embodiments of the present invention, wherein some exclusive use or any group can be selected for each preferred embodiment
Close using can be with.
The present embodiment realizes the automation of whole technique using above-mentioned execution water-sky alternating time quenching cooling technique,
The mass of HI-chrome cast iron for grinding balls quenching cooling can be more preferably realized based on the automation process, HI-chrome cast iron for grinding balls water is solved
Quench the technical barrier of cracking.
Embodiment 2
The product object of this instance processes is same as Example 1, and difference is：First time water quenching cooling, air cooling,
Secondary water quenching cooling, carries out multiplicating combination, to meet the requirement of water-sky alternating time quenching cooling technique.
Quench cooling technique：Air cooling (first time air cooling) (90s ± 10s)-first time water cooling (6s ± 2s)-the second after coming out of the stove
The secondary water cooling (5s ± 2s) of air cooling (25s ± 5s)-second-third time air cooling (50s ± 5s)-third time water cooling (4s ± 2s)
The implementation of the technique by 7 feature work district's groups into：Quenching cooling feed zone (performing first time air cooling), for the first time
Water quenching cooling area (performs first time water cooling), and air cooling zone (performs second of air cooling), and second of water quenching cooling area (is performed second
Water cooling), air cooling zone (performs third time air cooling), and third time water quenching cooling area (performs third time water cooling), end-of-job discharge zone.
The apparatus structure of use is identical with the Zhong Ge mechanisms of embodiment 1, but cold with Liang Tao air coolings mechanism and three sets of water quenchings
But mechanism.Specific implementation process is as follows：
Quenching cooling charging：Abrading-ball after being reheated after casting is in the initial position of quenching cooling feed zone, abrading-ball
90s is stopped in the region.
Perform first time Cooling Process：The abrading-ball of initial position in quenching cooling feed zone is along quick movable passageway 1
Fast scroll to flood zone movable passageway 6 initial position, abrading-ball be immersed under the driving of rotary dial arm 4 liquid level 2 with
Under quenching tank 3 among do rolling movement, the stage immersion liquid time control in 6s (by the rotation for controlling rotating mass 5
Rotational speed rate is realized).
Perform second of process air cooler：Abrading-ball is by entering air cooling movable passageway 7 and air cooling behind first time water quenching cooling area
Lift movable passageway 8.(realized in the time control in the stage in 25s by the control to abrading-ball rolling rate).
Perform second of Cooling Process：Action is identical with first time water quenching cooling process, simply in the immersion liquid in the stage
Between control 5s (by controlling the speed of rotation of rotating mass 5 to realize).
Perform third time process air cooler：Abrading-ball is by entering air cooling movable passageway 7 and air cooling behind first time water quenching cooling area
Lift movable passageway 8.(realized in the time control in the stage in 50s by the control to abrading-ball rolling rate).
Perform third time Cooling Process：Action is identical with first time water quenching cooling process, simply in the immersion liquid in the stage
Between control 4s (by controlling the speed of rotation of rotating mass 5 to realize).
Last abrading-ball enters end-of-job discharge zone, and quenching cooling procedure terminates.
The technique that multiple air cooling and water cooling are employed in above-described embodiment, solves the skill of HI-chrome cast iron for grinding balls water quenching cracking
Art problem, realize the water of whole HI-chrome cast iron for grinding balls-sky alternately time quenching cooling technique automation simultaneously, can be more preferably
Lifting cooling effect.
According to the present embodiment as can be seen that air cooling and water cooling number of times in the present invention can be set according to actual needs,
Alternately, air cooling mechanism and water quenching cooling mechanism in corresponding device are accordingly increased or decreased, this to set for air cooling and water cooling
Put the adaptability for considerably increasing whole technique and device.
Embodiment 3
The product object of this instance processes is oval HI-chrome cast iron for grinding balls.950 ± 10 DEG C are reheated to after casting, is held
Water-filling-sky alternating time quenching cooling technique.Quench cooling technique：Air cooling (first time air cooling) (90s ± 10s)-the after coming out of the stove
Water cooling (6s ± 2s) of-second air cooling (50s ± 5s) of water cooling (8s ± 2s)-second
The implementation of the technique is made up of the workspace of different characteristic：Quenching cooling feed zone (performing first time air cooling), the
Water quenching cooling area (performs first time water cooling), and air cooling zone (performs second of air cooling), and second water quenching cooling area (performs the
Secondary water cooling), end-of-job discharge zone.
The device used is as shown in figure 1, the cooling device is by quick movable passageway 1, liquid level 2, quenching tank 3, rotation
Transfer swing arm 4, rotating mass 5, flood zone movable passageway 6, air cooling zone movable passageway 7, air cooling zone lift movable passageway 8, carried
Machine 9, lifting moving arm 10 is risen to constitute.Wherein：Quenching cooling feed zone is made up of quick movable passageway 1；First time water quenching is cold
But area and second of water quenching cooling area are by liquid level 2, quenching tank 3, rotary dial arm 4, rotating mass 5 and flood zone movement
Passage 6 is constituted；Air cooling zone is by air cooling movable passageway 7, air cooling lifting movable passageway 8, elevator 9 and 10 groups of moving arm of lifting
Into；End-of-job discharge zone is made up of quick movable passageway 1.Specific connection and assembling sequence are in the same manner as in Example 1.
As shown in figure 1, the lifting of the quick movable passageway 1, air cooling movable passageway 7, air cooling movable passageway 8 and main shaft it
Between have a slanted angle, the quick movable passageway 1, air cooling movable passageway 7, air cooling lifting movable passageway 8 are straight line, curve or spiral shell
Spin line.
Water-sky the process that alternately time quenching is cooled down for carrying out HI-chrome cast iron for grinding balls using said apparatus is as follows：
Quenching cooling charging：HI-chrome cast iron for grinding balls after casting is reheated is in the initial bit that quenching cools down feed zone
Put, abrading-ball stops 90s in the region.
Perform first time Cooling Process：The abrading-ball of initial position in quenching cooling feed zone is along quick movable passageway 1
Fast scroll to flood zone movable passageway 6 initial position, abrading-ball be immersed under the driving of rotary dial arm 4 liquid level 2 with
Under quenching tank 3 among do rolling movement, the stage immersion liquid time control in 8s (by the rotation for controlling rotating mass 5
Rotational speed rate is realized).
Perform second of process air cooler：Abrading-ball is by entering air cooling movable passageway 7 and air cooling behind first time water quenching cooling area
Lift movable passageway 8.(realized in the time control in the stage in 50s by the control to abrading-ball rolling rate).
Perform second of Cooling Process：Action is identical with first time water quenching cooling process, simply in the immersion liquid in the stage
Between control 6s (by controlling the speed of rotation of rotating mass 5 to realize).
Last abrading-ball enters end-of-job discharge zone, and quenching cooling procedure terminates.
Above example apparatus and method, in that context it may be convenient to realize that water-sky alternating time quenching of HI-chrome cast iron for grinding balls is cold
But, the problem ftractureed to abrading-ball water quenching is solved, water-sky alternately time quenching cooling requirement of abrading-ball can have both been met, and also might be used
To meet other rolling elements (such as：Cylinder, ellipsoid etc.) water-sky alternately time quenching cooling is required.
The specific embodiment of the present invention is described above.It is to be appreciated that the invention is not limited in above-mentioned
Particular implementation, those skilled in the art can make various deformations or amendments within the scope of the claims, this not shadow
Ring the substantive content of the present invention.
Claims (10)
1. the water of a kind of HI-chrome cast iron for grinding balls-sky alternating time quenching cooling device, it is characterised in that described device includes：Quench
Fire cooling feeding mechanism, at least one first time water quenching cooling mechanism, at least one air cooling mechanism, at least one second of water quenching
Cooling body and end-of-job discharging mechanism, it is cold that HI-chrome cast iron for grinding balls passes sequentially through quenching cooling feeding mechanism, first time water quenching
But mechanism, air cooling mechanism, second of water quenching cooling mechanism and end-of-job discharging mechanism；Wherein：
The quenching cooling feeding mechanism, completes the HI-chrome cast iron for grinding balls first time air cooling, and by the HI-chrome cast iron for grinding balls
It is moved to first time water quenching cooling mechanism；
The first time water quenching cooling mechanism, for carrying out first time water cooling to the HI-chrome cast iron for grinding balls, and by first time water
Quenching but after the HI-chrome cast iron for grinding balls be transferred to the air cooling mechanism；
The air cooling mechanism, for carrying out second of air cooling to the HI-chrome cast iron for grinding balls Jing Guo first time water quenching cooling, and
The HI-chrome cast iron for grinding balls after air cooling is transferred to second of water quenching cooling mechanism；
Second of water quenching cooling mechanism, for carrying out second of water to the HI-chrome cast iron for grinding balls after second of air cooling
It is cold, and the HI-chrome cast iron for grinding balls after second of water quenching cooling is transferred to the end-of-job discharging mechanism；
The end-of-job discharging mechanism, the HI-chrome cast iron for grinding balls after second of water quenching cooling is removed from device.
2. a kind of water of HI-chrome cast iron for grinding balls according to claim 1-sky alternating time quenching cooling device, its feature exists
In the quenching cooling feeding mechanism, the end-of-job discharging mechanism are made up of quick movable passageway, for completing
State the movement of HI-chrome cast iron for grinding balls.
3. a kind of water of HI-chrome cast iron for grinding balls according to claim 2-sky alternating time quenching cooling device, its feature exists
In the quick movable passageway is made up of the first bottom plate, the first support plate and the first spacing side plate, the first support plate support
The HI-chrome cast iron for grinding balls, the first spacing side plate limits the HI-chrome cast iron for grinding balls position, and first bottom plate is by one
First support plate and two the first spacing side plates are connected as one, and form movable passageway.
4. a kind of water of HI-chrome cast iron for grinding balls according to claim 1-sky alternating time quenching cooling device, its feature exists
In the first time water quenching cooling mechanism and second of water quenching cooling mechanism are by quenching tank, rotary dial arm, rotating mass
Constituted with flood zone movable passageway, wherein：
The quenching tank, for holding cooling liquid；
The rotary dial arm, is arranged in the rotating mass, for driving the HI-chrome cast iron for grinding balls to be rolled；
The rotating mass, drives the rotary dial arm to carry out for installing the rotary dial arm, and by itself rotation
Rotate；
The flood zone movable passageway, moves into the quenching tank by the HI-chrome cast iron for grinding balls and carries out water quenching cooling,
And the HI-chrome cast iron for grinding balls after cooling is moved out to next mechanism.
5. a kind of water of HI-chrome cast iron for grinding balls according to claim 4-sky alternating time quenching cooling device, its feature exists
In the flood zone movable passageway is made up of the second bottom plate, the second support plate and the second spacing side plate, second support plate
The HI-chrome cast iron for grinding balls is supported, the second spacing side plate limits the HI-chrome cast iron for grinding balls position, and second bottom plate will
One the second support plate and two the second spacing side plates are connected as one, and form movable passageway.
6. a kind of water of HI-chrome cast iron for grinding balls according to claim any one of 1-5-sky alternating time quenching cooling device,
Characterized in that, the air cooling mechanism lifts movable passageway, elevator and lifting moving arm group by air cooling movable passageway, air cooling
Into, wherein：
The air cooling movable passageway, the feeder connection connects the first time water quenching cooling mechanism, and the HI-chrome cast iron for grinding balls exists
Rolled in the passage and carry out air cooling, while the channel outlet is connected to the air cooling lifting movable passageway, the rich chromium cast iron mill
The ball warp channel outlet enters the air cooling and lifts movable passageway；
The air cooling lifts movable passageway, and the feeder connection is connected with air cooling movable passageway outlet, the rich chromium cast iron mill
Ball is rolled in the channels, and the combination for lifting movable passageway by the air cooling movable passageway and the air cooling completes the Gao Ge
The process air cooler of cast-iron grinding ball；
The lifting moving arm, is arranged on elevator, and it is stirred in the HI-chrome cast iron for grinding balls air cooling, is made described
HI-chrome cast iron for grinding balls is rolled in air cooling lifting movable passageway along direction initialization；
The elevator, for installing and being lifted the lifting moving arm, so as to drive the HI-chrome cast iron for grinding balls to roll.
7. a kind of water of HI-chrome cast iron for grinding balls according to claim 6-sky alternating time quenching cooling device, its feature exists
In the air cooling movable passageway, air cooling lift movable passageway by the 3rd bottom plate, three abutments plate and the 3rd spacing side plate group
Into the three abutments plate supports the HI-chrome cast iron for grinding balls, and the 3rd spacing side plate limits the HI-chrome cast iron for grinding balls position
Put, a three abutments plate and two the 3rd spacing side plates are connected as one by the 3rd bottom plate, form movable passageway.
8. a kind of alternately time quenching cooling of the water of any one of the use claim 1-7 HI-chrome cast iron for grinding balls of described device-sky
Method, it is characterised in that including：
Quenching cooling feed step：The step is carried out in quenching cooling feed zone, casts the HI-chrome cast iron for grinding balls after reheating
Initial position in quenching cooling feed zone, the HI-chrome cast iron for grinding balls stays for some time in the region；
First time water quenching cooling step：The step first time water quenching cooling area carry out, HI-chrome cast iron for grinding balls from quenching cool down into
Expect that area's fast scroll, to first time water quenching cooling area, does rolling movement in the liquid medium for being immersed into quenching tank, keeps immersion liquid
For a period of time, first time water quenching cooling process is completed；
Air cooling step：The step is carried out in air cooling zone, and the HI-chrome cast iron for grinding balls by first time water quenching cooling completes air cooling
Process；The air cooling zone is the alternate combinations that air cooling movable passageway lifts movable passageway with air cooling；
Second of water quenching cooling step：The step is carried out in second of water quenching cooling area, the rich chromium cast iron after air cooling
Abrading-ball completes second of water quenching cooling process, and second of water quenching cooling, first time water quenching cooling process are identical；
End-of-job discharging step：Quenching cooling procedure terminates, and the HI-chrome cast iron for grinding balls after second of water quenching cooling is moved
Go out.
9. a kind of water of HI-chrome cast iron for grinding balls according to claim 8-sky alternating time quenching cooling means, its feature exists
In, the quenching tank, the liquid level of its liquid medium is all the time in a constant altitude, first time water quenching cooling step and second
The immersion conditions of HI-chrome cast iron for grinding balls are identical described in water quenching cooling step, and each immersion liquid time is according to HI-chrome cast iron for grinding balls
Alternately the requirement of time quenching cooling technique is set water-sky respectively.
10. the water of a kind of HI-chrome cast iron for grinding balls according to claim 8-sky alternating time quenching cooling means, its feature
Be, the first time water quenching cooling area, air cooling zone, second of water quenching cooling area, can be carried out between each area any combination and/
Or combination is repeated several times, to meet the requirement of water-sky alternating time quenching cooling technique.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710329949.XA CN107245561B (en) | 2017-05-11 | 2017-05-11 | A kind of water of HI-chrome cast iron for grinding balls-sky alternately time quenching cooling device and method |
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| CN201710329949.XA CN107245561B (en) | 2017-05-11 | 2017-05-11 | A kind of water of HI-chrome cast iron for grinding balls-sky alternately time quenching cooling device and method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108315534A (en) * | 2018-05-10 | 2018-07-24 | 二重（德阳）重型装备有限公司 | Liquid air alternately quenches control method |
| CN110421876A (en) * | 2019-07-08 | 2019-11-08 | 余玲辉 | Plastic immersion device |
| CN113755675A (en) * | 2021-07-20 | 2021-12-07 | 宁国市华丰耐磨材料有限公司 | High-chromium grinding ball stage quenching heat treatment air cooling device |
| CN117802293A (en) * | 2023-12-28 | 2024-04-02 | 兴化市天泰合金制品科技有限公司 | Quenching cooling device for high-chromium cast iron grinding ball time control |
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| CN107245561B (en) | 2019-01-04 |
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