CN105755229A - Quenching tank for quenching and tempering line of water-based quenching medium in heat treatment - Google Patents
Quenching tank for quenching and tempering line of water-based quenching medium in heat treatment Download PDFInfo
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- CN105755229A CN105755229A CN201610314811.8A CN201610314811A CN105755229A CN 105755229 A CN105755229 A CN 105755229A CN 201610314811 A CN201610314811 A CN 201610314811A CN 105755229 A CN105755229 A CN 105755229A
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- quenching
- quenching tank
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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
- C21D1/63—Quenching devices for bath quenching
- C21D1/64—Quenching devices for bath quenching with circulating liquids
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- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Heat Treatment Of Articles (AREA)
- Heat Treatments In General, Especially Conveying And Cooling (AREA)
Abstract
The invention discloses a quenching tank for a quenching and tempering line of a water-based quenching medium in heat treatment. A blanking mesh belt is arranged in the quenching tank through a blanking port connected with a quenching heating furnace, and immersed in the quenching tank, a lifting mesh belt is further arranged in the quenching tank below the blanking mesh belt, a circulating pump is connected to the bottom of the quenching tank through a pipeline, and connected with a spray rinsing pipe through a pipeline, so that the spray rinsing pipe is arranged at the outlet of the lifting mesh belt; spray pipes are further arranged above the lifting mesh belt immersed in the quenching tank, and connected to the circulating pump; stirring circulation devices are further arranged above the quenching tank, and fixed above the quenching tank through a framework. The quenching tank for the quenching and tempering line of the water-based quenching medium in the heat treatment changes the overall flow state of quenching tank liquid and promotes circulation of a PAG quenching medium to prevent unevenness of a bath solution for insufficient circulation affecting the using effect, and deterioration of a working solution and cracking of parts because PAG is adhered and deposited at dead angles of the quenching tank to result in uneven compositions so as to deteriorate and breed bacteria after a long-term accumulation.
Description
Technical field
The present invention relates to technical field of metal heat treatment, be specially a kind of modified line quenching tank of heat treatment water-based quenching medium.
Background technology
Current PAG water-based quenching medium is nontoxic due to it, smokelessly, do not burn, the physical characteristic of aging resistance, life-span length, and its rate of cooling is between water and oil, the advantage that cooling capacity can be adjusted with the change of concentration within the specific limits, it is widely used in heat treatment industry.
PAG quenching medium is based on PAG polymer, adds that other additive is made；In workpiece quenching process, the liquid temperature around workpiece once be raised to more than the inverse molten point of solution, PAG polymer just from solution precipitation out, be suspended in quenching liquid with tiny liquid pearl form.
The PAG liquid pearl one suspended touches red heat workpiece, owing to its extraordinary wettability can adhere on surface of the work, becomes the peplos of rich water that workpiece is wrapped up.PAG hardening media is exactly to regulate the rate of cooling of water by this peplos, reduces the cooling rate of hardening media, it is to avoid workpiece generation hardening break.After work-piece cools is got off, be attached on the polymer on workpiece again can back dissolving in quenching liquid.Because PAG water-based quenching medium in use needs the concentration of PAG is strictly controlled, in order to avoid impact uses quality, so using the quenching tank of PAG water-based quenching medium to be provided with rational blood circulation.
At present, in the routine Equipment for Heating Processing with quenching tank, the mixing pump of quenching tank is all disposed within quenching tank centre, quenching tank surrounding does not have other agitation cycle device, and the mixing pump role of centre has simply promoted the circulation of quenching tank center hardening media, hardening media around quenching workpiece is flowed unfavorable, the overall circulation making quenching tank is abundant not, four corners of convention square quenching tank are because of circulation system design existing defects, cause that quenching tank surrounding becomes circulation dead angle, this quenching tank is relatively specific for using quenching oil, the producer of shrend fire, and often it is not suitable for using hardening media, manufacturer such as PAG water-based quenching medium, and the injection pipe used in conventional quenching groove is often just for quenching workpiece, anything is not had to act on tank liquor circulation；And PAG water-based quenching medium in use needs to stir completely, make to be absent from around quenching tank dead angle as far as possible, make the PAG water-based quenching medium circulation in quenching tank fully, the medium in quenching tank is made fully to circulate, composition is uniform, makes workpiece quenching film forming thin and thick consistent, does not affect batch workpiece and produces, prevent because quenching tank exists dead angle causing dielectric deposition, rotten, affect result of use and service life.
Medium above conveyer belt and near blanking port has only been circulated by the effect with stirring motor of traditional quenching tank institute, and the stirring intensity of this mixing pump can not reach too big, because eddy current produced by this pump is directly to wash away workpiece, too big easily cause workpiece quenching cracking.
Summary of the invention
Present invention seek to address that PAG water-based quenching medium in use, the rotten problem with part cracking of working solution that is improper due to circulation stirring and that cause, a kind of modified line quenching tank of heat treatment water-based quenching medium of special proposition, replaces the mixing pump in the middle of quenching tank to solve the problems referred to above by increasing agitation cycle device in quenching tank two sides.
The technical scheme is that for this, a kind of modified line quenching tank of heat treatment water-based quenching medium, including quenching tank, in quenching tank, the blanking port by being connected with quenching heating furnace is provided with blanking guipure, blanking guipure is immersed in quenching tank, is additionally provided with lifting guipure in the quenching tank of blanking net leukorrhagia, it is characterised in that: it is connected to circulating pump from bottom described quenching tank by pipeline, circulating pump is connected to hydro-peening pipeline by pipeline, makes hydro-peening pipeline in the exit promoting guipure；The lifting guipure being immersed in quenching tank is also arranged above spray piping, and spray piping is connected to circulating pump；Quenching tank is also arranged above agitation cycle device, and agitation cycle device is fixed on above quenching tank by framework.
Further being improved by: agitation cycle device is multiple setting, and make the stirring vane of agitation cycle device be respectively facing the two ends of quenching tank, wherein agitation cycle device motor is frequency conversion motor.
Beneficial effect:
The present invention replaces original the setting in the middle of quenching tank by increasing agitation cycle device above quenching tank, change the overall flow state of quenching tank liquor, promote the circulation of PAG hardening media, prevent from insufficient causing that tank liquor is uneven owing to circulating, affect result of use, PAG dead angle place adhesion in quenching tank, deposition cause composition inequality, perishable raw bacterium after long-term accumulation, cause the problem that working solution goes bad and part ftractures.
By the use of this quenching tank, can effectively prevent PAG water-based quenching medium in use owing to stirring the uneven rotten smelly problem caused, change the circulatory condition of quenching tank, it is advantageously implemented the steady production of heat-treatment production line, the concentration change making PAG water-based quenching medium is stable, do not have catastrophe, be conducive to producing control.
The use of the present invention strengthens the circulation dynamics of quenching tank, has promoted the circulation of PAG water-based quenching medium, it is therefore prevented that hardening media is not enough because of circulation dynamics, at dead angle, bath flow slowly locate deposition, causing that tank liquor composition is uneven, cooling rate becomes the quenching part cracking caused greatly and raw bacterium of fermenting.
The present invention can to the recurrent state of tank liquor, its intensity control effectively, the agitation cycle device motor installed is frequency conversion motor, frequency can be changed according to demand, change the flow strength of tank liquor, the use of PAG water-based quenching medium and concentration of medium, temperature and stirring intensity is used to have relation, the cooling capacity of PAG water-based quenching medium can be regulated and controled by changing stirring intensity, thus stirring motor can be passed through and change the cooling capacity of medium, make same hardening media be applicable to more quenching workpiece.
By the redesign to quenching tank, water-based quenching medium stirring in quenching tank can be made fully, to reduce tearing tendency during workpiece quenching, extend the service life of medium, prevention water-based quenching medium ferments raw bacterium, and the aqueous medium caused goes bad raw bacterium, the problem that whole pond tank liquor is scrapped occurs.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention.
In figure, 1 is quenching tank, and 2 is the blanking port being connected with quenching heating furnace, and 3 is blanking guipure, and 4 are an up guipure, and 5 is spray piping, and 6 is circulating pump, and 7 is hydro-peening pipeline, and 8 are stirring for circulating device, and 9 is framework.
Detailed description of the invention
The present invention is as shown in Figure 1.
A kind of modified line quenching tank of heat treatment water-based quenching medium, including quenching tank 1, in quenching tank 1, the blanking port 2 by being connected with quenching heating furnace is provided with blanking guipure 3, blanking guipure 3 is immersed in quenching tank 1, quenching tank 1 under blanking guipure 3 is additionally provided with lifting guipure 4, being connected to circulating pump 6 from bottom described quenching tank 1 by pipeline, circulating pump 6 is connected to hydro-peening pipeline 7 by pipeline, makes hydro-peening pipeline 7 in the exit promoting guipure 4；The lifting guipure 4 being immersed in quenching tank 1 is also arranged above spray piping 5, and spray piping 5 is connected to circulating pump 6；Quenching tank 1 is also arranged above agitation cycle device 8, and agitation cycle device 8 is fixed on above quenching tank 1 by framework 9.
Agitation cycle device 8 is multiple setting, and makes the stirring vane of agitation cycle device 8 be respectively facing the two ends of quenching tank 1, and wherein agitation cycle device 8 motor is frequency conversion motor.
Water base quenching tank is stirred circulation by the present invention, and according to the structure of quenching tank 1, size, and production technology is arranged the position of agitation cycle device 8, angle and arranges power of agitator.
During heat-treatment lines normal operation, ON cycle pump 6, workpiece is directly sprayed by the spray piping 5 in quenching tank 1, changes the heat exchange environment of surface of the work, and PAG film forming is uniform；Opening agitation cycle device 8, make hardening media fully be circulated, PAG solution entirety circulation in quenching tank 1, it is to avoid rotten raw bacterium, long-term accumulation causes concentration error, it is to avoid cause problem of Cracking；Make PAG solution have certain flow velocity simultaneously, be conducive to improving quenching quality.
Claims (2)
1. the modified line quenching tank of heat treatment water-based quenching medium, including quenching tank, in quenching tank, the blanking port by being connected with quenching heating furnace is provided with blanking guipure, blanking guipure is immersed in quenching tank, the quenching tank of blanking net leukorrhagia is additionally provided with lifting guipure, it is characterized in that: be connected to circulating pump from bottom described quenching tank by pipeline, circulating pump is connected to hydro-peening pipeline by pipeline, makes hydro-peening pipeline in the exit promoting guipure；The lifting guipure being immersed in quenching tank is also arranged above spray piping, and spray piping is connected to circulating pump；Quenching tank is also arranged above agitation cycle device, and agitation cycle device is fixed on above quenching tank by framework.
2. a kind of modified line quenching tank of heat treatment water-based quenching medium according to claim 1, it is characterized in that: agitation cycle device is multiple setting, and make the stirring vane of agitation cycle device be respectively facing the two ends of quenching tank, wherein agitation cycle device motor is frequency conversion motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610314811.8A CN105755229A (en) | 2016-05-13 | 2016-05-13 | Quenching tank for quenching and tempering line of water-based quenching medium in heat treatment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610314811.8A CN105755229A (en) | 2016-05-13 | 2016-05-13 | Quenching tank for quenching and tempering line of water-based quenching medium in heat treatment |
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| CN105755229A true CN105755229A (en) | 2016-07-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610314811.8A Pending CN105755229A (en) | 2016-05-13 | 2016-05-13 | Quenching tank for quenching and tempering line of water-based quenching medium in heat treatment |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108817307A (en) * | 2018-08-17 | 2018-11-16 | 海安金锻工业有限公司 | A kind of automobile control arm forging line and forging and forming technology |
| CN112522484A (en) * | 2020-12-29 | 2021-03-19 | 湖南飞沃新能源科技股份有限公司 | Blanking structure and quenching cooling mechanism |
| CN114134297A (en) * | 2021-12-01 | 2022-03-04 | 安庆汇通汽车部件股份有限公司 | Multifunctional quenching tank for stabilizer bar and application method of multifunctional quenching tank for stabilizer bar in quenching and tempering |
| CN115522034A (en) * | 2022-09-05 | 2022-12-27 | 永安市金声机械有限公司 | Crankshaft isothermal quenching device |
Citations (5)
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| CN202157096U (en) * | 2011-07-18 | 2012-03-07 | 无锡宝露锻造有限公司 | Quenching groove cooling-spraying system |
| CN103451391A (en) * | 2013-08-19 | 2013-12-18 | 安徽安簧机械股份有限公司 | Quenching device utilizing forging residual heat |
| CN204918681U (en) * | 2015-07-14 | 2015-12-30 | 江苏龙城精锻有限公司 | Guenching unit is sprayed in guipure quenching groove with adjustable |
| CN105331797A (en) * | 2015-10-10 | 2016-02-17 | 十堰双齐科技有限公司 | Desolventizing device for improving working state of aged PAG water base quenching medium and method of desolventizing device |
| CN205616929U (en) * | 2016-05-13 | 2016-10-05 | 十堰双齐科技有限公司 | Heat treating water base hardening media quenching and tempering quenching groove for line |
-
2016
- 2016-05-13 CN CN201610314811.8A patent/CN105755229A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202157096U (en) * | 2011-07-18 | 2012-03-07 | 无锡宝露锻造有限公司 | Quenching groove cooling-spraying system |
| CN103451391A (en) * | 2013-08-19 | 2013-12-18 | 安徽安簧机械股份有限公司 | Quenching device utilizing forging residual heat |
| CN204918681U (en) * | 2015-07-14 | 2015-12-30 | 江苏龙城精锻有限公司 | Guenching unit is sprayed in guipure quenching groove with adjustable |
| CN105331797A (en) * | 2015-10-10 | 2016-02-17 | 十堰双齐科技有限公司 | Desolventizing device for improving working state of aged PAG water base quenching medium and method of desolventizing device |
| CN205616929U (en) * | 2016-05-13 | 2016-10-05 | 十堰双齐科技有限公司 | Heat treating water base hardening media quenching and tempering quenching groove for line |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108817307A (en) * | 2018-08-17 | 2018-11-16 | 海安金锻工业有限公司 | A kind of automobile control arm forging line and forging and forming technology |
| CN112522484A (en) * | 2020-12-29 | 2021-03-19 | 湖南飞沃新能源科技股份有限公司 | Blanking structure and quenching cooling mechanism |
| CN114134297A (en) * | 2021-12-01 | 2022-03-04 | 安庆汇通汽车部件股份有限公司 | Multifunctional quenching tank for stabilizer bar and application method of multifunctional quenching tank for stabilizer bar in quenching and tempering |
| CN115522034A (en) * | 2022-09-05 | 2022-12-27 | 永安市金声机械有限公司 | Crankshaft isothermal quenching device |
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Application publication date: 20160713 |