CN108265162A - For local heat treatmet device and temprature control method after shaft element laser repairing - Google Patents
For local heat treatmet device and temprature control method after shaft element laser repairing Download PDFInfo
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- CN108265162A CN108265162A CN201810319680.1A CN201810319680A CN108265162A CN 108265162 A CN108265162 A CN 108265162A CN 201810319680 A CN201810319680 A CN 201810319680A CN 108265162 A CN108265162 A CN 108265162A
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- local heat
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- 238000000034 method Methods 0.000 title claims abstract description 12
- 230000006698 induction Effects 0.000 claims abstract description 33
- 238000009413 insulation Methods 0.000 claims abstract description 11
- 230000008878 coupling Effects 0.000 claims abstract description 5
- 238000010168 coupling process Methods 0.000 claims abstract description 5
- 238000005859 coupling reaction Methods 0.000 claims abstract description 5
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 6
- 229910052802 copper Inorganic materials 0.000 claims description 6
- 239000010949 copper Substances 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 4
- 239000011819 refractory material Substances 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims 1
- 239000005439 thermosphere Substances 0.000 claims 1
- 238000010438 heat treatment Methods 0.000 description 8
- 238000012544 monitoring process Methods 0.000 description 3
- 230000008439 repair process Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000007669 thermal treatment Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000007323 disproportionation reaction Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000008646 thermal stress 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
- C21D1/34—Methods of heating
- C21D1/42—Induction heating
-
- 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
- C21D1/74—Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material
- C21D1/773—Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material under reduced pressure or vacuum
-
- 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
-
- 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
- C21D9/28—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for plain shafts
-
- 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
- C21D2221/00—Treating localised areas of an article
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
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)
- General Induction Heating (AREA)
Abstract
One kind is for local heat treatmet device after shaft element laser repairing, and including vacuum tank, motor, the bottom side of vacuum tank is provided with vacuum pump, and the bottom opposite side of vacuum tank is provided with air supply plant, and vacuum tank is internally provided with fixing axle and working shaft；One end of working shaft is provided with locator, the other end is connect by shaft coupling with motor, motor is bolted on pedestal, parts to be heated are arranged between the working shaft and fixing axle, parts to be heated are uniformly equipped with thermocouple, and parts to be heated are coated with thermal insulation layer, induction coil is mounted on the outside of parts to be heated across thermal insulation layer；Signal is connect the thermocouple successively with temperature sensor, temperature converter, computer, adjuster, executing agency, and the output terminal connection induction power supply of executing agency, the induction power supply is connect with induction coil.The invention also includes the temprature control methods of application apparatus of the present invention.
Description
Technical field
The present invention relates to for local heat treatmet device and temprature control method after shaft element laser repairing.
Background technology
Axial workpiece inevitably will appear the defects of dimension overproof, abrasion, corrosion in process and during being on active service, entirely
Part rejection can bring the huge wasting of resources and economic loss, in order to reduce loss, can carry out part to defective position
It repairs, laser repairing technology can effective local route repair defect area.Requirement is often not achieved in material property after reparation, and
And reparation position can generate thermal stress in repair process, need to be heat-treated restoring area.If part is carried out whole
There is the problem of deformation is big in heat treatment, to protect the non-restoring area of part and reducing part deformation, at generally use localized heat
Reason mode.
Existing for local heat treatmet device after shaft element laser repairing, there are still shortcomings when in use, lead to
The mode that Resistant heating or flame heat often is taken directly to heat parts locally surface in air, to repairing area
The temperature in domain can not carry out real-time monitoring and temperature distributing disproportionation, it is impossible to realize effective protection, urgent need to resolve to target area.
Invention content
The present invention will overcome shortcoming in the prior art, and one kind of proposition is for office after shaft element laser repairing
Portion's annealing device and temprature control method.
To achieve these goals, present invention employs following technical solutions：One kind is used for shaft element laser repairing
Local heat treatmet device afterwards, including vacuum tank, motor and control system.The bottom side of the vacuum tank is provided with vacuum pump,
And the bottom opposite side of vacuum tank is provided with air supply plant, the vacuum tank is internally provided with fixing axle and working shaft.The work
The one end for making axis is provided with locator, and the other end is connect by shaft coupling with motor, and the motor is bolted on pedestal
On, parts to be heated are arranged between the working shaft and fixing axle, and the parts to be heated are uniformly
Thermocouple is installed, and parts to be heated are coated with thermal insulation layer, induction coil 7 is mounted on across thermal insulation layer 8 and treats
It is heat-treated the outside of parts 6.The thermocouple and temperature sensor, temperature transmitter, computer, adjuster, executing agency
Signal connects successively, the output terminal connection induction power supply of executing agency, the induction power supply is connect with induction coil.
The temperature data that thermocouple acquires component surface to be heated passes to temperature sensor, and temperature transmitter is by temperature
Signal is converted into electric signal and is sent into computer；Computer converts the electrical signal to digital signal, and adjuster receives computer hair
The digital signal gone out, and be compared with preset temperature digital signal threshold value, then sent out according to comparison result to executing agency
Go out to control signal；Executing agency receives control signal and Perceived control answers on/off.Preferably, the vacuum pump can make vacuum tank
Interior working vacuum degree reaches 10-2Support.
Preferably, the axial line of the fixing axle, parts to be heated and working shaft three is located along the same line.
Preferably, the induction coil can carry out customized according to part dimension, coaxial with parts to be heated.
Preferably, the induction coil is hollow copper tube, inside by having the flow of certain hydraulic pressure reach cold
But effect, and copper pipe cross section is rectangle.
Preferably, surface of the induction end of the thermocouple with parts to be heated by way of spot welding is connect.
Preferably, a hole equal with parts diameter to be heated is opened among the locator, it is solid to clamp
Fixed parts to be heated.
Preferably, the material of the thermal insulation layer is refractory material, and induction coil is protected not to be damaged and burn out when heated.
A kind of temprature control method for local heat treatmet device after shaft element laser repairing for applying the present invention,
Including below scheme：
A, the temperature data of thermocouple acquisition workpiece surface passes to temperature sensor；
B, temperature signal is converted into electric signal by temperature transmitter；
C, computer converts the electrical signal to digital signal；
D, adjuster receives the digital signal that computer is sent out, and is compared in preset temperature digital signal, then
Control signal is sent out to executing agency according to comparison result；
E, executing agency receives control signal and Perceived control answers on/off；
F, workpiece surface temperature can be controlled in perfect error range.
In the present invention, on the basis of original, Cryocooler Temperature Closed Loop Control System can monitor the temperature of restoring area in real time, in time
Temperature is adjusted, so as to which temperature be made to reach set temperature, so as to fulfill the real-time monitoring to restoring area temperature, works as thermocouple induction
Temperature be higher than set temperature when, control system make induction power supply be in power-off state；When the temperature of thermocouple induction is less than
During set temperature, control system makes induction power supply be powered.Meanwhile working shaft rotation can effectively solve axial workpiece heat treatment when by
The non-uniform problem of heat, gas shield case can form local atmosphere protection, thermal treatment zone made not aoxidize.
It is an advantage of the invention that：The real-time monitoring to restoring area temperature is realized, when effectively solving axial workpiece heat treatment
The problem of uneven heating is even, gas shield case can form local atmosphere protection, thermal treatment zone made not aoxidize.
Description of the drawings
Structure diagram for shaft element laser repairing after local heat treatmet device of the attached drawing 1 for the present invention；
Attached drawing 2 is the present invention for local heat treatmet device control principle schematic diagram after shaft element laser repairing；
Temperature control principle drawing of the attached drawing 3 for the present invention.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.
Part numbers in attached drawing 1-3 are as follows：
1- workbench, 2- moisture recorders, 3- thermocouples, 4- fixing axles, 5- vacuum tanks, 6- parts to be heated, 7-
Induction coil, 8- thermal insulation layers, 9- locators, 10- working shafts, 11- shaft couplings, 12- motors, 13- pedestals, 14- induction power supplies,
15- control systems, 16- vacuum pumps, 17- air supply plants.
Reference picture 1 and attached drawing 2, for local heat treatmet device after shaft element laser repairing, including vacuum tank
5th, motor 12 and control system 15.The bottom side of vacuum tank 5 is provided with vacuum pump 16, and the bottom opposite side of vacuum tank 5 is set
Air supply plant 17 is equipped with, vacuum tank 5 is internally provided with fixing axle 4 and working shaft 10.One end of working shaft 10 is provided with locator
9, the other end is connect by shaft coupling 11 with motor 12, and motor 12 is bolted on pedestal 13.Parts 6 to be heated
It is arranged between working shaft 10 and fixing axle 4, parts 6 to be heated are uniformly equipped with thermocouple 3, and treat hot place
Reason parts 6 are coated with thermal insulation layer 8, and induction coil 7 is mounted on the outside of parts 6 to be heated across thermal insulation layer 8.
It thermocouple 3 and moisture recorder 2 and controls the control system 15 of 14 break-make of induction power supply signal is connect successively, moisture recorder 2
It is bolted on workbench 1, the output terminal of control system 15 is connected with induction power supply 14, the induction power supply 14 and sense
Coil 7 is answered to connect.
The control system 15 includes sequentially connected computer, adjuster, executing agency.Heat is treated in the acquisition of thermocouple 3
The temperature data on 6 surface of processing parts passes to temperature sensor, and temperature signal is converted into electric signal and sent by temperature transmitter
Enter computer；Computer converts the electrical signal to digital signal, and adjuster receives the digital signal that computer is sent out, and with presetting
Temperature digital signal threshold value be compared, control signal is then sent out to executing agency according to comparison result；Executing agency connects
It receives control signal and Perceived control answers on/off.
Vacuum pump 16 can make the working vacuum degree in vacuum tank 5 reach 10-2Support, fixing axle 4,6 and of parts to be heated
The axial line of 10 three of working shaft is located on same level straight line, induction coil be hollow copper tube, inside by having one
The flow of hydraulic pressure is determined to achieve the effect that cooling, and copper pipe cross section is rectangle, and the induction end of thermocouple 3 is by way of spot welding
It is connect with the surface of parts 6 to be heated, a hole equal with 6 diameter of parts to be heated is opened among locator 9,
To the parts 6 to be heated that are fixedly clamped, the material of thermal insulation layer 8 is refractory material, protect induction coil 7 when heated not by
It damages and burns out.
With reference to attached drawing 3, a kind of temprature control method of the present invention, which is characterized in that this method includes below scheme：
A, the temperature data of thermocouple acquisition workpiece surface passes to temperature sensor；
B, temperature signal is converted into electric signal by temperature transmitter；
C, computer converts the electrical signal to digital signal；
D, adjuster receives the digital signal that computer is sent out, and is compared in preset temperature digital signal, then
Control signal is sent out to executing agency according to comparison result；
E, executing agency receives control signal and Perceived control answers on/off；
F, workpiece surface temperature can be controlled in perfect error range.
Operation principle：In use, sensing local heat treatmet is carried out to restoring area using induction coil 7, using working shaft
10 modes at the uniform velocity rotated can effectively solve uneven heating, and axial workpiece is more sensitive to heat treatment temperature, temperature scaling factor
System can be precisely controlled the temperature of restoring area, easily be aoxidized in heat treatment process, can effective protection heat by vacuum tank 5
Processing region.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (9)
1. one kind is for local heat treatmet device after shaft element laser repairing, it is characterised in that：Including vacuum tank, motor,
The bottom side of the vacuum tank is provided with vacuum pump, and the bottom opposite side of vacuum tank is provided with air supply plant, the vacuum
Case is internally provided with fixing axle and working shaft；One end of the working shaft is provided with locator, and the other end passes through shaft coupling and electricity
Machine connects, and the motor is bolted on pedestal, parts to be heated be arranged on the working shaft and fixing axle it
Between, the parts to be heated are uniformly equipped with thermocouple, and parts to be heated be coated with every
Thermosphere, induction coil 7 are mounted on the outside of parts 6 to be heated across thermal insulation layer 8；The thermocouple and temperature sensor,
Signal connects successively for temperature transmitter, computer, adjuster, executing agency, the output terminal connection induction power supply of executing agency, institute
Induction power supply is stated to connect with induction coil；
The temperature data that thermocouple acquires component surface to be heated passes to temperature sensor, and temperature transmitter is by temperature signal
It is converted into electric signal and is sent into computer；Computer converts the electrical signal to digital signal, and adjuster receives what computer was sent out
Digital signal, and be compared with preset temperature digital signal threshold value, control is then sent out to executing agency according to comparison result
Signal processed；Executing agency receives control signal and Perceived control answers on/off.
2. as described in claim 1 for local heat treatmet device after shaft element laser repairing, it is characterised in that：It is described
Vacuum pump can make the working vacuum degree in vacuum tank reach 10-2Support.
3. as described in claim 1 for local heat treatmet device after shaft element laser repairing, it is characterised in that：It is fixed
The axial line of axis, parts to be heated and working shaft three is located along the same line.
4. as described in claim 1 for local heat treatmet device after shaft element laser repairing, it is characterised in that：It is described
Induction coil can be customized according to part dimension progress, coaxial with parts to be heated.
5. as described in claim 1 for local heat treatmet device after shaft element laser repairing, it is characterised in that：It is described
Induction coil is hollow copper tube, inside by the flow with hydraulic pressure, and copper pipe cross section is rectangle.
6. as described in claim 1 for local heat treatmet device after shaft element laser repairing, it is characterised in that：It is described
Surface of the induction end of thermocouple with parts to be heated by way of spot welding is connect.
7. as described in claim 1 for local heat treatmet device after shaft element laser repairing, it is characterised in that：It is described
A hole equal with parts diameter to be heated is opened among locator, to the parts to be heated that are fixedly clamped.
8. as described in claim 1 for local heat treatmet device after shaft element laser repairing, it is characterised in that：It is described
The material of thermal insulation layer is refractory material.
9. application is as described in claim 1 for the temperature controlling party of local heat treatmet device after shaft element laser repairing
Method includes the following steps：
A, the temperature data of thermocouple acquisition workpiece surface passes to temperature sensor；
B, temperature signal is converted into electric signal by temperature transmitter；
C, computer converts the electrical signal to digital signal；
D, adjuster receives the digital signal that computer is sent out, and is compared in preset temperature digital signal, then basis
Comparison result sends out control signal to executing agency；
E, executing agency receives control signal and Perceived control answers on/off；
F, workpiece surface temperature can be controlled in perfect error range.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810319680.1A CN108265162A (en) | 2018-04-11 | 2018-04-11 | For local heat treatmet device and temprature control method after shaft element laser repairing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810319680.1A CN108265162A (en) | 2018-04-11 | 2018-04-11 | For local heat treatmet device and temprature control method after shaft element laser repairing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108265162A true CN108265162A (en) | 2018-07-10 |
Family
ID=62778265
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810319680.1A Pending CN108265162A (en) | 2018-04-11 | 2018-04-11 | For local heat treatmet device and temprature control method after shaft element laser repairing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108265162A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114657362A (en) * | 2022-03-24 | 2022-06-24 | 贵州航天电器股份有限公司 | Vacuum local heat treatment device and method for shaft workpieces |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3710062A (en) * | 1971-04-06 | 1973-01-09 | Environment One Corp | Metal base cookware induction heating apparatus having improved power supply and gating control circuit using infra-red temperature sensor and improved induction heating coil arrangement |
| JP2011052297A (en) * | 2009-09-03 | 2011-03-17 | Daido Steel Co Ltd | Heat treatment apparatus |
| CN205062139U (en) * | 2015-10-20 | 2016-03-02 | 西安航空动力股份有限公司 | Local heat treatment device |
| CN107354285A (en) * | 2017-07-31 | 2017-11-17 | 江苏宝京汽车部件有限公司 | A kind of axletree class tubing member weld seam destressing device and method for removing stress |
| CN207104056U (en) * | 2017-08-30 | 2018-03-16 | 大连华锐重工集团股份有限公司 | The automatic remelting integrating device of flame spray welding |
-
2018
- 2018-04-11 CN CN201810319680.1A patent/CN108265162A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3710062A (en) * | 1971-04-06 | 1973-01-09 | Environment One Corp | Metal base cookware induction heating apparatus having improved power supply and gating control circuit using infra-red temperature sensor and improved induction heating coil arrangement |
| JP2011052297A (en) * | 2009-09-03 | 2011-03-17 | Daido Steel Co Ltd | Heat treatment apparatus |
| CN205062139U (en) * | 2015-10-20 | 2016-03-02 | 西安航空动力股份有限公司 | Local heat treatment device |
| CN107354285A (en) * | 2017-07-31 | 2017-11-17 | 江苏宝京汽车部件有限公司 | A kind of axletree class tubing member weld seam destressing device and method for removing stress |
| CN207104056U (en) * | 2017-08-30 | 2018-03-16 | 大连华锐重工集团股份有限公司 | The automatic remelting integrating device of flame spray welding |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114657362A (en) * | 2022-03-24 | 2022-06-24 | 贵州航天电器股份有限公司 | Vacuum local heat treatment device and method for shaft workpieces |
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Application publication date: 20180710 |