CN109055714A - A kind of control system and method for quenching technical - Google Patents
A kind of control system and method for quenching technical Download PDFInfo
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- CN109055714A CN109055714A CN201811035045.7A CN201811035045A CN109055714A CN 109055714 A CN109055714 A CN 109055714A CN 201811035045 A CN201811035045 A CN 201811035045A CN 109055714 A CN109055714 A CN 109055714A
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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
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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
- C21D1/18—Hardening; Quenching with or without subsequent tempering
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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
- C21D1/673—Quenching devices for die quenching
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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
- C21D9/0081—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for slabs; for billets
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- Crystallography & Structural Chemistry (AREA)
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- Control Of Heat Treatment Processes (AREA)
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Abstract
The invention discloses a kind of control system of quenching technical and method, the control system of quenching technical includes photoelectric sensor, temperature sensor, laser sensor, displacement sensor, pressure sensor, each control system, PLC and industrial personal computer.PLC is transferred to industrial personal computer for receiving each sensor signal, and control signal controls corresponding control system based on the received；Control signal is exported after the received sensor signal of industrial personal computer processing to PLC, displays and store quenching technical project data and picture；To be connected between Ethernet connection, PLC and each control system with industrial-controlled general line between PLC and industrial personal computer.Present system and method substitute manual operation, realize automation, accurate control plate pressure quenching technical, high-efficient.
Description
Technical field
The present invention relates to quenching technical technical fields, and in particular to a kind of control system and method for quenching technical.
Background technique
Quenching technical is that metal material obtains its most important required performance, link of most critical and metal material and obtains
Obtain the pass weight link of required function.By quenching technical, so that overcooling austenite is carried out martensite or bainite transformation, obtain geneva
Then body or bainite structure cooperate the tempering with different temperatures, greatly improve the rigidity, hardness, wearability, fatigue strength of steel
And toughness etc., to meet the different requirements of various machine components and tool.
Steel plate is that vehicle manufacturing industry must use components, and vehicle assembly preceding 100% is needed by quenching technical.Pressure is quenched
Fire is the common equipment of current steel plate quenching, and control system is not only related to steel plate quenching quality, but also to subsequent process
It influences great.Plate pressure quenching technical control system includes multiple sub-control systems, such as controling of the pressure of the oven system, combustion gas control system
System, driving control system, hydraulic control system, press control system etc., existing relevance between them, also influence each other control
Precision.Therefore, the control method of press quenching technique is the key that steel plate obtains high-performance, high quality.Currently, press quenching work
Skill control method relies primarily on traditional control instrument and standard control signal control, and main deficiency is: each height control system
System is mutually indepedent, it is not necessary that association, thus mutual influence is difficult to eliminate, and control precision is relatively low；Secondly, adopting
It is controlled with the control signal (such as 4~20mA) of standard, transmittance process can bring certain error, to influence to control precision；
Third is that bringing certain influence to automatically controlling using traditional control signal, control efficiency is reduced, and influences productive temp；Four
It is that quenching ram pressures are uncontrollable and water spray is uneven, impression or soft spots easily occurs in quenching；Fifth is that upper push-down head amount of water sprayed control
It is bad, easily there is steel plate hardness unevenly or deformation is severe.
Therefore, it is necessary to control systems and method that one kind can accurately control plate pressure quenching technical.
Summary of the invention
In view of this, substituting manual operation the present invention provides a kind of control system of quenching technical and method, realizing
Automation, accurate control plate pressure quenching technical are high-efficient.
Specific embodiments of the present invention are as follows:
A kind of control system of quenching technical, including photoelectric sensor, temperature sensor, laser sensor, displacement sensing
Device, pressure sensor, each control system, PLC and industrial personal computer；
The photoelectric sensor is separately positioned on feeding platform, blanking bench and press, for detecting steel plate position；
In heating furnace, for detecting predeterminated position temperature in heating furnace, simultaneously output temperature is believed for the temperature sensor setting
Number give PLC；
The laser sensor is for detecting Steel In Reheating Furnace Board position；
Institute's displacement sensors are used to detect the push-down head stroke on press；
The pressure sensor is for detecting the upper and lower pressure head pressing force on press and the pressure in heating furnace；
Each control system includes controling of the pressure of the oven system, gas control system, transmission system, hydraulic control system, follows
Ring water control system and steel plate quenching control system；The controling of the pressure of the oven system, gas control system are for adjusting heating furnace
Interior pressure and temperature；The transmission system include heating furnace transmission system, feeding platform transmission system, press transmission system and under
Expect platform transmission system；The hydraulic control system setting provides power in control system production line periphery for production line；It is described to follow
The setting of ring water control system is supplied water in press periphery for quenching；The steel plate quenching control system for adjust quenching water and
Hydraulic pressure；
The PLC is transferred to industrial personal computer for receiving each sensor signal, and the control of control signal is corresponding based on the received
Control system；
The industrial personal computer exports control signal to PLC after handling received sensor signal, displays and store quenching technical
Project data and picture；
To be connected between Ethernet connection, PLC and each control system with industrial-controlled general line between PLC and industrial personal computer.
Further, the pressure head is rice font cast steel V-shape pressure head.
Further, the steel plate quenching control system includes flow control valve, pneumatic operated valve；
The flow control valve is for controlling quenching water flow；The pneumatic operated valve is for controlling pressure head water spray.
A kind of control method of quenching technical, using the control system of any of the above-described quenching technical, comprising the following steps:
Step 1, based on detection temperature in heating furnace by the burning of gas control system control burner, while based on detection
Furnace pressure controls furnace pressure by controling of the pressure of the oven system；
Step 2, after detecting the steel plate on feeding platform, control starting feeding platform and heating furnace transmission system are driven steel
Plate；
Step 3 after detecting steel plate completely into heating furnace, closes Compaction of Heating Furnace Door and feeding platform transmission system, simultaneously
Heating furnace transmission system is controlled according to the transmission speed and direction for swinging requirement adjusting heating furnace；
Step 4, before steel plate quenching, starting hydraulic control system, circulation water control system；Heating furnace discharging door is opened,
Heating furnace transmission system is out of service, starts press transmission system, stops after steel plate is sent to press certain position, and close
Heating furnace discharging door；It is selectively opened according to the plate width and thickness size of steel plate by Interal fixation between upper and lower pressure head
Water valve and adjust quenching regulating valve aperture quenched；
Step 5, steel plate quenching technique are completed, and starting press and blanking bench transmission system detect that steel plate is transferred completely into
After blanking bench, stop blanking bench and press transmission system.
Further, the combustion method of burner is controlled in the step 1 are as follows:
By the temperature of predeterminated position in temperature sensor detection heating furnace and as detection temperature, it will test temperature and reach
PLC, and industrial personal computer and temperature control instrument are sent to by Ethernet；
Combusted proportion of the burner within the control period is calculated based on detection temperature；
The burning time that burner is calculated based on combusted proportion controls the burning of burner according to burning time.
Further, the step 2 method particularly includes: simultaneously by the photoelectric sensor detection that is arranged on feeding platform
Output indicates to detect that the signal of steel plate, PLC receive steel plate signal and the signal are sent to industrial personal computer, work by Ethernet
Feeding is sent by Ethernet after control machine reception signal and controls signal to PLC, PLC output control signal opening furnace charge furnace
Door simultaneously starts feeding platform and heating furnace transmission system by industrial-controlled general line, is driven steel by defined transmission speed and direction
Plate.
Further, the step 3 light plate is detected by the laser sensor on heating furnace.
Further, the step 4 light plate is fixed on using the measurement data of pressure sensor and displacement sensor
Between upper and lower pressure head.
Further, the pressure head is rice font cast steel V-shape pressure head.
Further, the step 4 further comprises:
The corresponding relationship between the plate width of steel plate and thickness size and water valve number, quenching control valve opening is stored in advance
In industrial personal computer.
The utility model has the advantages that
1, steel plate is heated, be driven and quenched by digital photoelectric sensor, pressure sensor, displacement sensor etc. by the present invention
The processes such as fire combine, and control method controls precision height, can reduce influencing each other between different sub-control systems.Together
When, field data signal ensure that using different communication protocol modes based on Ethernet, the industrial-controlled general line network architecture
It is accurately and rapidly transmitted with control signal, data-signal is not lost, do not postponed, and product quality is improved, and improves production effect
Rate has very strong universality.
2, steel plate of the present invention uses rice font cast steel pressure head, and upper and lower pressure head independent control is for water quenching, it is ensured that after quenching
Steel plate is uniform without soft spots, hardness, and steel plain degree is good.
3, the present invention is using displacement and pressure sensor, it is ensured that upper and lower pressure head both pushes down steel plate, when preventing steel plate quenching
Deformation, and impression will not be left on the steel plate, there is very strong universality.
4, the present invention in advance open in industrial personal computer by the plate width of storage steel plate and thickness size and water valve number, quenching regulating valve
Corresponding relationship between degree substitutes manual adjustment using process control valve aperture, and water spray is uniform, accuracy is high, realizes water
And the automation of spray field is adjusted.
Detailed description of the invention
Fig. 1 is control principle drawing of the invention；
Fig. 2 is control structure figure of the invention.
Specific embodiment
The present invention will now be described in detail with reference to the accompanying drawings and examples.
The present invention provides a kind of control systems of quenching technical, as shown in Fig. 2, being based on Ethernet, industrial-controlled general line
In conjunction with each sub-control system, heated steel plate by photoelectric sensor, pressure sensor, displacement sensor temperature sensor etc.,
The processes such as transmission and quenching combine, and the operation of related device or device in equipment is controlled by control signal.
The control system of quenching technical includes controling of the pressure of the oven system, gas control system, transmission system, hydraulic control system
System, circulation water control system and steel plate quenching control system；Controling of the pressure of the oven system, gas control system are for adjusting heating furnace
Interior pressure and temperature；Transmission system includes heating furnace transmission system, feeding platform transmission system, press transmission system and blanking bench
Transmission system；Hydraulic control system setting provides power in control system production line periphery for production line；Recycle water control system
Setting is supplied water in press periphery for quenching；Steel plate quenching control system is for adjusting quenching water and hydraulic pressure.Specifically include setting
For detecting Steel Plate Information and exporting the digital photoelectric transfer for whether having the steel plate signal of steel plate on expression feeding platform on feeding platform
Sensor；For detecting predeterminated position in gas type heating stove and exporting the temperature signal for indicating to detect temperature in gas type heating stove
Temperature sensor；For detecting the digital laser sensor of Steel In Reheating Furnace Board position；For detecting the number of push-down head stroke
Word bit displacement sensor；For detecting upper and lower pressure head pressing force and heating the digital pressure sensor of furnace pressure；For detecting steel
The digital photoelectric sensor of plate press position；For controlling the digital flow regulating valve of quenching water flow；For controlling pressure head spray
Water pneumatically changes up valve closing fastly；For detect blanking bench upper steel plate whether there is or not digital photoelectric sensor；Receive each sensor signal,
Based on the PLC of sensor signal running temperature control software package, steel plate transmission software package and steel plate quenching software package, steel plate is quenched
The corresponding pass between the plate width based on steel plate and thickness size and water valve number, quenching control valve opening is stored in fiery software package
System, when carrying out quenching technical, directly according to the plate width of steel plate to be processed and thickness size, selection opens how many a water valves, which is opened
Water valve and quenching regulating valve valve open much, the automation adjusting of realization water and spray field；Passed through based on detection temperature
Temperature control software package calculates burner when controlling the combusted proportion in the period, calculating the burning of burner based on combusted proportion
Between and export and indicate the time signal of burning time, display and store the industrial personal computer of quenching technical project data and picture, pass through
Industrial personal computer, which can be shown, entirely presses process of quenching, and virtually shows steel plate present position；Receiving time signal and according to time signal
The burner controller of output control signal；Receive PLC, industrial personal computer output signal control oil cylinder correspondingly acts, manipulation press liter
Drop, water valve opening and closing, hearth roller swing and opening and closing of fire door etc.；Wherein, with signal wire connection, PLC and work between each sensor and PLC
It is connected between control machine with Ethernet connection, between PLC and burner controller and between PLC and each valve with signal wire, PLC and each
It is connected between control system with industrial-controlled general line.
The control method of quenching technical are as follows: detect on feeding platform whether have steel by the way that photoelectric sensor is arranged on feeding platform
Partitioned signal simultaneously exports steel plate signal；Steel plate signal is sent to PLC, and reaches industrial personal computer by PLC；Industrial personal computer receives PLC output
Signal, store Steel Plate Information, and industrial personal computer show the virtual steel plate picture of screen display.
Whether there is steel plate in laser sensor detection heating furnace and export steel plate signal in furnace, steel plate signal is sent in furnace
PLC, and industrial personal computer is sent to by PLC, industrial personal computer receives steel plate signal in the furnace of PLC output, and in industrial personal computer display screen
Steel plate picture in the upper virtual furnace of display；Temperature sensor detects heating furnace in-furnace temperature and exports the furnace for indicating detection temperature simultaneously
Interior temperature signal, in-furnace temperature signal reaches PLC, and is sent to industrial personal computer and temperature control instrument, and industrial personal computer receives in-furnace temperature letter
Number, it stores and shows the in-furnace temperature of screen display detection in industrial personal computer.Industrial personal computer compares in feeding platform steel plate signal and furnace
Steel plate signal then starts steel plate into furnace software package if feeding platform has steel plate without steel plate in furnace, and steel plate is into furnace.Industrial personal computer is based on
Detection in-furnace temperature controls software package by dedicated temperature and calculates combusted proportion of the burner within the control period, is based on ratio of combustion
Example calculates the burning time of burner, starting combustion gas control software package and Combustion System software package, and starting heating furnace roller is swung
Steel plate in software package rocking furnace.
The quenching technical time arrives, industrial personal computer starting discharging software package, while the transmission of the steel plate quenching software package that links, press is soft
Part packet and hydraulic station control software package；Photoelectric sensor detects that steel plate, press roller stop transmission on press；Push-down head rises,
When pressure sensor, displacement sensor rise to process value, push-down head stops rising, according to the plate width and thickness size of steel plate, choosing
Selecting property opens the aperture of water valve and adjusting quenching regulating valve up and down of the press on steel plate, steel plate quenching；Quenching terminates, under starting
Expect that software package, steel plate are sent to blanking bench.
Photoelectric sensor detects that steel plate, steel plate stop transmission on blanking bench.
As shown in Figure 1, in the present embodiment, quenching technical equipment is mainly made of four parts: feeding platform, heating furnace, pressure
Bed, blanking bench.Feeding, discharge platform is roller bed type steel plate loading and unloading platform.Heating furnace is gas type heating stove, is heated for steel plate quenching
Furnace.Press is driven by roller-way, and upper and lower pressure head clamps steel plate, and steel plate uses rice font cast steel V-shape pressure head, and upper and lower pressure head is independent
Control is for water quenching.First only by taking one piece of steel plate quenching as an example, steps are as follows for quenching technical control method:
S1, heating furnace preheating, linkage gas control system, combustion control system and furnace pressure.Specific step
It is rapid as follows:
The temperature of predeterminated position and as detection temperature in S1.1, detection heating furnace, this temperature reached by compensating wire
PLC, and industrial personal computer and temperature control instrument are sent to by Ethernet.Industrial personal computer storage detection temperature, real-time display detect temperature, and
And storage, drafting and real-time display temperature variation curve, temperature variation curve, that is, furnace body temperature change procedure；
S1.2, starting gas control system, controling of the pressure of the oven system control software package by dedicated temperature based on detection temperature
Calculate combusted proportion of the burner within the control period；
S1.3, the burning time that burner is calculated based on combusted proportion；According to burning time control burner burning and with
This control in-furnace temperature；
S1.4, release valve opening is controlled by controling of the pressure of the oven system based on detection furnace pressure.
Later, whether S2, detection feeding platform have steel plate, and link feeding platform and heating furnace transmission system.Specific step is as follows:
S2.1, the steel plate on feeding platform is detected by the photoelectric sensor that is arranged on feeding platform and exports expression detect
The signal of steel plate；
S2.2, PLC receive feeding platform steel plate signal and this signal are sent to industrial personal computer by Ethernet；
Start the sub- software package of automatic charging in industrial personal computer in dedicated software package after S2.3, industrial personal computer reception signal；
The sub- software package output control signal of S2.4, automatic charging is sent to PLC, PLC output control signal by Ethernet
It opens furnace charge fire door and feeding platform and heating furnace transmission system is started by DP industrial bus, make heating furnace transmission system
Steel plate is driven by defined transmission speed and direction.
Then, step S3 is executed, whether detection heating furnace has steel plate, and link feeding platform and heating furnace transmission system.Specifically
Step are as follows:
It, will by PLC after S3.1, PLC detect steel plate completely into heating furnace by the laser sensor on heating furnace
Signal is sent to industrial personal computer；
After S3.2, industrial personal computer receive this signal, Compaction of Heating Furnace Door and feeding platform transmission system are closed, while starting heating furnace
Hearth roller swing software package, and control signal is passed into PLC, it is required by the transmission system that PLC controls heating furnace according to swing
Adjust transmission speed and the direction of heating furnace.
In addition, step S4 is executed, substitutes manual operation, whether then, linkage adds detection Steel In Reheating Furnace plate heating process
Hot stove and press transmission system and hydraulic control system, circulation water control system.Specific steps are as follows:
Then preceding certain time, starting hydraulic control system recycle water management system in steel plate heating process for S4.1, industrial personal computer
System pressurizes in advance for subsequent door opening and closing, press lifting and water valve opening and closing；
To constantly, quenching technical software package starts for S4.2, heating process；
By Ethernet output control signal to PLC, PLC opens heating furnace discharge furnace by DP bus for S4.3, industrial personal computer
It is out of service to swing software package for door；
By Ethernet output control signal to PLC, PLC passes through DP bus starting heating furnace and press for S4.4, industrial personal computer
Transmission system makes heating furnace transmission system that steel plate are sent to press according to certain speed and direction；
Photoelectric sensor detects steel plate to after being sent to press certain position on S4.5, press, stops press transmission, and
Close heating furnace discharging door；
S4.6, lifting press push-down head, by pressure sensor and displacement sensor by Interal fixation upper and lower pressure head it
Between；
S4.7, plate width and thickness size according to steel plate, industrial personal computer are logical to PLC, PLC by Ethernet output control signal
Cross the aperture of the upper and lower water valve of press and adjusting quenching regulating valve on the selectively opened steel plate of DP industrial bus；
S4.8, cool time arrive, and close water valve；
S4.9, press push-down head drop to certain position.
Finally, executing step S5, whether detection steel plate quenching technique is completed, linkage press and blanking bench transmission system.Tool
Body includes the following steps:
S5.1, steel plate quenching technique are completed, and industrial personal computer passes through DP bus by Ethernet output control signal to PLC, PLC
Start press and blanking bench transmission system, runs blanking bench transmission system according to certain speed and direction；
After photoelectric sensor detects that steel plate is transferred completely into blanking bench on S5.2, blanking bench, stop blanking bench and press
Transmission.
Then return step S1 continues to execute downwards.
On the basis of foregoing description, when being applied to plurality of steel plates, plurality of steel plates principle, hardware are identical as one block of steel plate,
But the control software package of steel plate in heating furnace is different.Entire control system shares a set of PLC, industrial personal computer, display and input
Output circuit.
After the quenching for completing one block of steel plate, return step S4.1 continues the quenching of next block of steel plate.
After steel plate all quenches in furnace, return step S1 continues to execute downwards.
The control method is applied to monolithic steel plate, plurality of steel plates quenching as a result, it is dynamic that quenching each process can be precisely controlled
Water flow needed for work and steel plate quenching top and bottom, can effectively ensure that the uniformity of quenched nickelclad hardness and without soft spots, steel plate
Flatness is good, energy saving, improves steel plate quenching quality, improves production efficiency.
In conclusion the above is merely preferred embodiments of the present invention, being not intended to limit the scope of the present invention.
All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in of the invention
Within protection scope.
Claims (10)
1. a kind of control system of quenching technical, which is characterized in that including photoelectric sensor, temperature sensor, laser sensor,
Displacement sensor, pressure sensor, each control system, PLC and industrial personal computer；
The photoelectric sensor is separately positioned on feeding platform, blanking bench and press, for detecting steel plate position；
Temperature sensor setting in heating furnace, for detect in heating furnace predeterminated position temperature and output temperature signal to
PLC；
The laser sensor is for detecting Steel In Reheating Furnace Board position；
Institute's displacement sensors are used to detect the push-down head stroke on press；
The pressure sensor is for detecting the upper and lower pressure head pressing force on press and the pressure in heating furnace；
Each control system includes controling of the pressure of the oven system, gas control system, transmission system, hydraulic control system, recirculated water
Control system and steel plate quenching control system；The controling of the pressure of the oven system, gas control system are for adjusting in heating furnace
Pressure and temperature；The transmission system includes heating furnace transmission system, feeding platform transmission system, press transmission system and blanking bench
Transmission system；The hydraulic control system setting provides power in control system production line periphery for production line；The recirculated water
Set-up of control system supplies water in press periphery for quenching；The steel plate quenching control system is for adjusting quenching water and hydraulic pressure；
The PLC is transferred to industrial personal computer for receiving each sensor signal, and the corresponding control of control signal control based on the received
System processed；
The industrial personal computer exports control signal to PLC after handling received sensor signal, displays and store quenching technical engineering
Data and picture；
To be connected between Ethernet connection, PLC and each control system with industrial-controlled general line between PLC and industrial personal computer.
2. the control system of quenching technical as described in claim 1, which is characterized in that the pressure head is rice font cast steel V word
Type pressure head.
3. the control system of quenching technical as described in claim 1, which is characterized in that the steel plate quenching control system includes
Flow control valve, pneumatic operated valve；
The flow control valve is for controlling quenching water flow；The pneumatic operated valve is for controlling pressure head water spray.
4. a kind of control method of quenching technical, which is characterized in that using the control such as any quenching technical in claim 1-3
System, comprising the following steps:
Step 1, based on detection temperature in heating furnace by the burning of gas control system control burner, while based on detection burner hearth
Pressure controls furnace pressure by controling of the pressure of the oven system；
Step 2, after detecting the steel plate on feeding platform, control starting feeding platform and heating furnace transmission system are driven steel plate；
Step 3 after detecting steel plate completely into heating furnace, is closed Compaction of Heating Furnace Door and feeding platform transmission system, is controlled simultaneously
Heating furnace transmission system adjusts transmission speed and the direction of heating furnace according to requirement is swung；
Step 4, before steel plate quenching, starting hydraulic control system, circulation water control system；Open heating furnace discharging door, heating
Furnace transmission system is out of service, starts press transmission system, stops after steel plate is sent to press certain position, and close heating
Furnace discharge fire door；By Interal fixation between upper and lower pressure head, according to the plate width and thickness size of steel plate, selectively opened water valve
And the aperture for adjusting quenching regulating valve is quenched；
Step 5, steel plate quenching technique are completed, and starting press and blanking bench transmission system detect that steel plate is transferred completely into blanking
After platform, stop blanking bench and press transmission system.
5. the control method of quenching technical as claimed in claim 4, which is characterized in that control the combustion of burner in the step 1
Firing method are as follows:
By the temperature of predeterminated position in temperature sensor detection heating furnace and as detection temperature, it will test temperature and reach PLC,
And industrial personal computer and temperature control instrument are sent to by Ethernet；
Combusted proportion of the burner within the control period is calculated based on detection temperature；
The burning time that burner is calculated based on combusted proportion controls the burning of burner according to burning time.
6. the control method of quenching technical as claimed in claim 4, which is characterized in that the step 2 method particularly includes:
The signal for indicating to detect steel plate is detected and exported by the photoelectric sensor being arranged on feeding platform, and PLC receives steel plate signal
And the signal is sent to industrial personal computer by Ethernet, feeding is sent by Ethernet after industrial personal computer reception signal and controls signal
To PLC, PLC output control signal opens furnace charge fire door and starts feeding platform and heating furnace biography by industrial-controlled general line
Dynamic system is driven steel plate by defined transmission speed and direction.
7. the control method of quenching technical as claimed in claim 4, which is characterized in that the step 3 light plate passes through heating
Laser sensor detection on furnace.
8. the control method of quenching technical as claimed in claim 4, which is characterized in that the step 4 light plate utilizes pressure
The measurement data of sensor and displacement sensor is fixed between upper and lower pressure head.
9. the control method of quenching technical as claimed in claim 4, which is characterized in that the pressure head is rice font cast steel V word
Type pressure head.
10. the control method of quenching technical as claimed in claim 4, which is characterized in that the step 4 further comprises:
The corresponding relationship between the plate width of steel plate and thickness size and water valve number, quenching control valve opening is stored in work in advance
In control machine.
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| CN201811035045.7A CN109055714A (en) | 2018-09-06 | 2018-09-06 | A kind of control system and method for quenching technical |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111363911A (en) * | 2020-03-31 | 2020-07-03 | 中国兵器工业新技术推广研究所 | Quenching control system and method |
| CN114277217A (en) * | 2021-12-24 | 2022-04-05 | 中国科学院长春光学精密机械与物理研究所 | Laser quenching light source and laser quenching system |
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| CN111363911A (en) * | 2020-03-31 | 2020-07-03 | 中国兵器工业新技术推广研究所 | Quenching control system and method |
| CN114277217A (en) * | 2021-12-24 | 2022-04-05 | 中国科学院长春光学精密机械与物理研究所 | Laser quenching light source and laser quenching system |
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Application publication date: 20181221 |