CN109182664A - A kind of the after-heat quenching device and its technique of forging - Google Patents
A kind of the after-heat quenching device and its technique of forging Download PDFInfo
- Publication number
- CN109182664A CN109182664A CN201811157539.2A CN201811157539A CN109182664A CN 109182664 A CN109182664 A CN 109182664A CN 201811157539 A CN201811157539 A CN 201811157539A CN 109182664 A CN109182664 A CN 109182664A
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- CN
- China
- Prior art keywords
- quenching
- forging
- box
- quenching box
- module
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
- C21D1/18—Hardening; Quenching with or without subsequent tempering
-
- 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
-
- 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
- C22F1/002—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working by rapid cooling or quenching; cooling agents used therefor
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
Abstract
The present invention relates to the after-heat quenching devices and its technique of a kind of forging, forging after trimming is quenched, the continuous net band of glowing furnace is made it into including glowing furnace and for transporting workpiece, the glowing furnace includes the quenching box for holding hardening media, the quenching box connects waste gas recovering device, automatic heating module and loop module are equipped in the quenching box, the quenching box holds the cooler bin of cooling medium by pipeline connection, solenoid valve is provided on pipeline between the quenching box and cooler bin, the quenching box is externally provided with control module, the automatic heating module, loop module and the solenoid valve are all connected with the control module.Efficiency of energy utilization can effectively be improved using quenching technical and device of the invention, reduce the waste of the energy, save the energy, while improving the beat of entire production procedure.
Description
Technical field
The present invention relates to a kind of processing of forging, in particular to the after-heat quenching device and its technique of a kind of forging.
Background technique
Under normal circumstances, the quenching treatment of forging is reheated again using after forging cooling, is then being put into rule
It is cooled down in fixed medium, can thus reach the heat treatment requirements of product, but what our company did at present is all hot forging,
Temperature still has eight or nine hundred degrees Celsius after the completion of forging, and such temperature is still suitble to quenching treatment, in this case it is proposed that
Quenching treatment is improved, is quenched using temperature after forging.
Summary of the invention
In order to overcome the shortcomings of technical background, the present invention provides the after-heat quenching device and its technique of a kind of forging.
The technical scheme adopted by the invention is that: a kind of after-heat quenching device of forging quenches to the forging after trimming
Fire processing, the continuous net band of glowing furnace is made it into including glowing furnace and for transporting workpiece, and the glowing furnace includes using
In the quenching box for holding hardening media, the quenching box connects waste gas recovering device, is equipped with automatic heated mould in the quenching box
Block and loop module, the quenching box hold the cooler bin of cooling medium by pipeline connection, the quenching box and cooler bin it
Between pipeline on be provided with solenoid valve, the quenching box is externally provided with control module, the automatic heating module, loop module and institute
It states solenoid valve and is all connected with the control module.
A further improvement of the present invention is that: the continuous net band is equipped with rate controlling portion, for adjusting the speed of mesh belt.
A further improvement of the present invention is that: suction pump, the pumping are provided between the quenching box and the cooler bin
Water pump connects solenoid valve, and the suction pump is by the solenoid valve control.
Temperature sensor detects the temperature of medium, when the medium temperature in quenching box is more than setting value, control module control
Suction pump and solenoid valve processed are opened, and the medium in quenching box is extracted into cooler bin by suction pump, and the cooling medium in cooler bin is mended
It is charged in quenching box, realizes the control to medium temperature.
A further improvement of the present invention is that: liquid level sensor and temperature sensor are additionally provided in the quenching box, it is described
Temperature sensor connects the automatic heating module.
A further improvement of the present invention is that: the inlet end of the conduction pipe is set to the top of the quenching box, and and institute
It states quenching box to be connected, the inlet ports of the conduction pipe are equipped with blower, and the blowing mouth of the blower is axially perpendicular to described lead
The axial direction of siphunculus.
Exhaust gas in quenching box can be pumped in conduction pipe by blower, using discarded recyclable device to quenching in exhaust gas
Kerosene is recycled, that is, reduces the consumption of quenching oil, has saved production cost, while also avoiding harmful gas in exhaust gas
Body pollutes outside air, and has ensured the personal safety of staff.
A further improvement of the present invention is that: the blower is centrifugal fan.
A kind of after-heat quenching technique carried out using above-mentioned apparatus comprising specific step is as follows,
S1: the forging after trimming being put into heating furnace and is preheated, and preheating temperature is 850 DEG C -950 DEG C, soaking time 2h-5h；
S2: the forging after preheating is subjected to Carburization Treatment, carburizing time 1-2h；
S3: the forging after carburizing is transferred in quenching box through continuous net band then and is quenched；
S4: the forging after quenching treatment is taken out from quenching box, and carries out straightening pull to workpiece；
S5: the forging handled through step S4 being put into cooler bin, is cooled down to forging, cooling time 20-30min, i.e.,
Complete the quenching technical.
A further improvement of the present invention is that: the temperature of hardening media is risen to by automatic heating module and loop module
500℃-600℃。
The beneficial effects of the present invention are: liquid level sensor and temperature sensor that the present invention is arranged are to medium in quenching box
Liquid level and temperature are measured in real time, and supplement medium, circulation temperature lowering are reminded when liquid level or temperature are more than setting value, realizes equipment
Sustainable work, improve workpiece quenching quality.Quenching technical of the invention can effectively improve efficiency of energy utilization, reduce
The waste of the energy saves the energy, while improving the beat of entire production procedure, and uses Carburization Treatment, strengthens forging surface
Abrasion resistance and hardness while remain its toughness and plasticity.
Detailed description of the invention
Fig. 1 is structural block diagram of the invention.
Specific embodiment
Embodiments of the present invention is further illustrated with reference to the accompanying drawing:
As shown, a kind of after-heat quenching device of forging, is quenched the forging after trimming, including glowing furnace and
The continuous net band of glowing furnace is made it into for transporting workpiece, the glowing furnace includes the quenching for holding hardening media
Case, the quenching box connect waste gas recovering device by conduction pipe, are equipped with automatic heating module and cyclic module in the quenching box
Block, the quenching box hold the cooler bin of cooling medium by pipeline connection, on the pipeline between the quenching box and cooler bin
It is provided with solenoid valve, pipeline connects suction pump, and the suction pump is by the solenoid valve control.The quenching box is externally provided with control mould
Block, the automatic heating module, loop module and the solenoid valve are all connected with the control module.
The inlet end of the conduction pipe is set to the top of the quenching box, and is connected with the quenching box, the conducting
The inlet ports of pipe are equipped with blower, and the blower is centrifugal fan, and the blowing mouth of the blower is axially perpendicular to the conducting
The axial direction of pipe.
The continuous net band is equipped with rate controlling portion, for adjusting the speed of mesh belt.Level sensing is additionally provided in the quenching box
Device and temperature sensor, the temperature sensor connect the automatic heating module.
A kind of after-heat quenching technique carried out using above-mentioned apparatus comprising specific step is as follows,
S1: the forging after trimming being put into heating furnace and is preheated, and preheating temperature is 900 DEG C, soaking time 3h；
S2: the forging after preheating is subjected to Carburization Treatment, carburizing time 1.5h；
Forging after carburizing: being then transferred in quenching box through continuous net band and quench by S3, by automatic heating module and
The temperature of hardening media is risen to 550 DEG C by loop module；
S4: the forging after quenching treatment is taken out from quenching box, is put into holding furnace and is kept the temperature, and workpiece is aligned
It stretches；
S5: the forging handled through step S4 being put into cooler bin, is cooled down to forging, and cooling time, 25min, that is, completed
The quenching technical.
The after-heat quenching device and technique of a kind of forging provided in this embodiment, carry out at quenching the forging after trimming
Reason, the after-heat quenching device is removable, and automatic heating module is arranged in quenching box, monitors the temperature of hardening media, and in temperature
When degree is lower than pre-set interval, starting heating, to ensure the moderate temperature of hardening media and in preset temperature range, to reach
To defined hardness requirement.Loop module is set, for guaranteeing that hardening media temperature is uniform.Due to production line have 1000T,
The production line of the different units such as 630T, 400T, 1600T hot forging, the program-controlled Single arm forging of 5T, so the device utilizes continuous net
Band is packaged type, so as to the use of each unit, can effectively improve the utilization rate of the device.And rate controlling portion is set, for adjusting
The speed of mesh belt, can be by the adjusting of mesh belt speed, to control temperature and its cooling time of forging.
Temperature sensor detects the temperature of medium, when the medium temperature in quenching box is more than setting value, control module control
Suction pump and solenoid valve processed are opened, and the medium in quenching box is extracted into cooler bin by suction pump, and the cooling medium in cooler bin is mended
It is charged in quenching box, realizes the control to medium temperature.The signal that liquid level sensor will test is sent to control module, reminds
Supplement medium.Exhaust gas in quenching box can be pumped in conduction pipe by blower, using discarded recyclable device in exhaust gas
Quenching oil is recycled, that is, reduces the consumption of quenching oil, has saved production cost, while also avoiding the nocuousness in exhaust gas
Gas pollutes outside air, and has ensured the personal safety of staff.
The beneficial effect of the present embodiment is: the liquid level sensor and temperature sensor that the present invention is arranged are to medium in quenching box
Liquid level and temperature be measured in real time, supplement medium, circulation temperature lowering are reminded when liquid level or temperature are more than setting value, realization is set
Standby sustainable work improves workpiece quenching quality.This quenching technical can effectively improve efficiency of energy utilization, reduce the energy
Waste, save the energy, while improving the beat of entire production procedure, and use Carburization Treatment, strengthen the resistance to of forging surface
Its toughness and plasticity are remain while mill property and hardness.
It is above only the preferred embodiment of the present invention in conjunction with attached drawing described embodiment, and not to guarantor of the invention
The restriction of range is protected, any improvement done based on spirit of that invention all ought to be within that scope of the present invention.
Claims (8)
1. a kind of after-heat quenching device of forging, is quenched the forging after trimming, it is characterised in that: including glowing furnace
And the continuous net band of glowing furnace is made it into for transporting workpiece, the glowing furnace includes for holding quenching for hardening media
Fire-box, the quenching box connect waste gas recovering device, and automatic heating module and loop module are equipped in the quenching box, described to quench
Fire-box holds the cooler bin of cooling medium by pipeline connection, is provided with electromagnetism on the pipeline between the quenching box and cooler bin
Valve, the quenching box are externally provided with control module, and the automatic heating module, loop module and the solenoid valve are all connected with the control
Molding block.
2. a kind of after-heat quenching device of forging according to claim 1, it is characterised in that: the continuous net band is equipped with
Rate controlling portion, for adjusting the speed of mesh belt.
3. a kind of after-heat quenching device of forging according to claim 1, it is characterised in that: the quenching box and described
Suction pump is provided between cooler bin, the suction pump is by the solenoid valve control.
4. a kind of after-heat quenching device of forging according to claim 1, it is characterised in that: also set in the quenching box
There are liquid level sensor and temperature sensor, the liquid level sensor connects the control module, and the temperature sensor connects institute
State automatic heating module.
5. a kind of after-heat quenching device of forging according to claim 1, it is characterised in that: the inlet end of the conduction pipe
It is connected set on the top of the quenching box, and with the quenching box, the inlet ports of the conduction pipe are equipped with blower, the wind
The blowing mouth of machine is axially perpendicular to the axial direction of the conduction pipe.
6. a kind of after-heat quenching device of forging according to claim 5, it is characterised in that: the blower is centrifugal wind
Machine.
7. a kind of after-heat quenching technique carried out using above-mentioned apparatus, it is characterised in that: it includes that specific step is as follows,
S1: the forging after trimming being put into heating furnace and is preheated, and preheating temperature is 850 DEG C -950 DEG C, soaking time 2h-5h；
S2: the forging after preheating is subjected to Carburization Treatment, carburizing time 1-2h；
S3: the forging after carburizing is transferred in quenching box through continuous net band then and is quenched；
S4: the forging after quenching treatment is taken out from quenching box, and carries out straightening pull to workpiece；
S5: the forging handled through step S4 being put into cooler bin, is cooled down to forging, cooling time 20-30min, i.e.,
Complete the quenching technical.
8. a kind of after-heat quenching technique of forging according to claim 7, it is characterised in that: by adding automatically in step S3
The temperature of hardening media is risen to 500 DEG C -600 DEG C by thermal modules and loop module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811157539.2A CN109182664A (en) | 2018-09-30 | 2018-09-30 | A kind of the after-heat quenching device and its technique of forging |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811157539.2A CN109182664A (en) | 2018-09-30 | 2018-09-30 | A kind of the after-heat quenching device and its technique of forging |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109182664A true CN109182664A (en) | 2019-01-11 |
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ID=64946655
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811157539.2A Pending CN109182664A (en) | 2018-09-30 | 2018-09-30 | A kind of the after-heat quenching device and its technique of forging |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110846481A (en) * | 2019-11-12 | 2020-02-28 | 山东汽车弹簧厂淄博有限公司 | Device and method for preparing isolated plate spring steel sheet |
| CN114032373A (en) * | 2021-11-10 | 2022-02-11 | 山东大力专用汽车制造有限公司 | Quenching liquid circulation heating and cooling system for large-volume steel seamless gas cylinder |
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| CN108330431A (en) * | 2018-03-09 | 2018-07-27 | 泰州市大明不锈钢有限公司 | A kind of stainless-steel sheet production technology |
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2018
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102764838A (en) * | 2012-07-05 | 2012-11-07 | 无锡市钻通工程机械有限公司 | Gear thermal precision forging machining process adopting carburizing steel 20CrMnTi as material |
| CN203976862U (en) * | 2014-06-19 | 2014-12-03 | 宁波嘉隆金属处理技术服务有限公司 | A kind of quench systems |
| CN105177230A (en) * | 2015-11-09 | 2015-12-23 | 江苏利普机械有限公司 | Forging waste-heat quenching unit and technique |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110846481A (en) * | 2019-11-12 | 2020-02-28 | 山东汽车弹簧厂淄博有限公司 | Device and method for preparing isolated plate spring steel sheet |
| CN114032373A (en) * | 2021-11-10 | 2022-02-11 | 山东大力专用汽车制造有限公司 | Quenching liquid circulation heating and cooling system for large-volume steel seamless gas cylinder |
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Application publication date: 20190111 |
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