CN202763251U - Automatic control system for cast blank flame cutting - Google Patents
Automatic control system for cast blank flame cutting Download PDFInfo
- Publication number
- CN202763251U CN202763251U CN 201220369125 CN201220369125U CN202763251U CN 202763251 U CN202763251 U CN 202763251U CN 201220369125 CN201220369125 CN 201220369125 CN 201220369125 U CN201220369125 U CN 201220369125U CN 202763251 U CN202763251 U CN 202763251U
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- cutting
- controller
- strand
- flame
- automatic control
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Abstract
The utility model discloses an automatic control system for cast blank flame cutting. The automatic control system for the blank casting flame cutting comprises a controller, a gas supply unit, an oxygen supply unit, a pulse generator, a power source, a length measuring system, a flame cutting device, a motor 1 and a motor 2, a gas magnetic valve, an oxygen magnetic valve, a blank-clamping magnetic valve, an impulse igniter and a flame detector, wherein the pulse generator sends impulse signals to the controller to bring convenience to the controller in working out the actual cutting thickness of a cast blank, the power source is connected with the controller, the length measuring system is connected with the controller and sends length signals to the controller, the flame cutting device cuts the cast blank, the motor 1 and the motor 2 are respectively driven by a cutting vehicle frequency converter and a cutting gun frequency converter and drive the flame cutting device to work, and the gas magnetic valve, the oxygen magnetic valve, the blank-clamping magnetic valve, the impulse igniter and the flame detector are respectively connected with the controller. By the adoption of a non-contact type image length detecting system and an automatic ignition device, the automatic control system for the cast blank flame cutting overcomes the defects that an existing measuring system is big in error, frequent in fault, not easy to maintain and the like, improves percent of pass of the cast blank, and at the same time saves energy resource.
Description
Technical field
The utility model relates to a kind of automatic control system, especially relates to a kind of strand flame cutting automatic control system.
Background technology
In the conticaster production process, flame cutting machine cuts into certain-length with steel billet, to satisfy rolling mill steel rolling requirement.Because flame cutting machine is long-time continuous service at high temperature, so require it to have high reliability and good maintenanceability.In present continuous casting flame definite-length cutting system, each position that cutting machine works asynchronously with strand, cutting oxygen, the switching of energy medium etc., the general detecting elements such as travel switch, approach switch that all rely on send the accurate of signal and could work, and casting blank of continuous casting machine cleavable site environment is abominable, and the phenomenons such as high temperature, water pouring, dust, bump all can affect the life-span of detecting element, is the reason that often causes detecting element, circuit to damage.The shortcomings such as simultaneously, existing strand flame cutting system exists automaticity low, and the strand length measuring system is installed complicated, adjusts difficulty, and position error is large.
The utility model content
Technical problem to be solved in the utility model is for above-mentioned deficiency of the prior art, a kind of strand flame cutting automatic control system is provided, it is simple in structure and use easy to operately, has realized comprehensive automation control, and can safety, stable, efficient operation.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is: a kind of strand flame cutting automatic control system is characterized in that: comprise controller, the fuel gas supply unit, the oxygen feed unit, to controller transmitted signal so that it calculates the impulse generator of the actual cutting thickness of strand, the power supply that joins with controller, join with controller and send the scale measuring system of scale signal to described controller, the flame-cutting plant that strand is cut, respectively by cutting car frequency converter and burning torch transducer drive and driving motor one and the motor two of described flame-cutting plant work, join with controller and described fuel gas supply unit is carried out the gas electromagnetic valve of open and close controlling, join with controller and described oxygen feed unit is carried out the oxygen magnetic valve of open and close controlling, the pulse igniter and the flame detector that join with controller and described strand is folded up the folder base magnetic valve of control and joins with controller respectively; Described flame-cutting plant comprises Cutting dolly, be installed in the strand clamp mechanism on the Cutting dolly and be installed in cutting gun on the strand clamp mechanism, is provided with cutting torch on the described cutting gun, and pulse igniter and flame detector are installed in described cutting torch one side; Described scale measuring system comprises the video camera of picked-up strand moving image, join with video camera and to described image carry out digitized image pick-up card, digital picture that image pick-up card is sent carries out preliminary treatment with the graphics processing unit that detects described strand length signals and the cutting gun detection and localization unit that joins with controller, described image pick-up card joins with video camera and graphics processing unit respectively, and described graphics processing unit and controller join; The described car frequency converter that cuts joins with motor one and controller respectively, described burning torch frequency converter joins with motor two and controller respectively, described motor one joins with Cutting dolly, described motor two joins with cutting gun, described impulse generator joins with controller and power supply respectively, be connected by steam line one between described fuel gas supply unit and the cutting gun, be connected by steam line two between described oxygen feed unit and the cutting gun, be provided with the connector that supplies described steam line one and steam line two to join with it on the described cutting gun, described gas electromagnetic valve is installed on the described steam line one, described oxygen magnetic valve is installed on the described steam line two, and described folder base magnetic valve is installed on the strand clamp mechanism.
Above-mentioned a kind of strand flame cutting automatic control system, it is characterized in that: also be included in the automatic slag removal unit of in the strand flame cutting process dross on the described cutting torch being cleared up, described automatic slag removal unit and controller join.
Above-mentioned a kind of strand flame cutting automatic control system, it is characterized in that: described controller is PLC.
Above-mentioned a kind of strand flame cutting automatic control system, it is characterized in that: described graphics processing unit is industrial computer.
Above-mentioned a kind of strand flame cutting automatic control system is characterized in that: described cutting gun detection and localization unit is the position sensor that is installed on the cutting gun.
Above-mentioned a kind of strand flame cutting automatic control system, it is characterized in that: described fuel gas supply unit comprises that the combustion gas of joining successively by steam line separates and produces system, dehydration drying system and voltage-regulating system, and described combustion gas is produced the hydrogen that obtains for separating through coke-stove gas.
Above-mentioned a kind of strand flame cutting automatic control system is characterized in that: be provided with gas outlet and oxygen gas outlet on the described cutting torch.
Above-mentioned a kind of strand flame cutting automatic control system, it is characterized in that: described power supply is the 24V D.C. regulated power supply.
The utility model compared with prior art has the following advantages:
1, simple in structure, to install and lay conveniently, input cost is low, and intelligent degree is high.
2, cut-to-length control system adopts the technology that the cutting gun detection and localization combines with the non-contact type image detecting system, it has overcome that the error of bringing when roller is measured strand length is large by installing and measuring in the past, faults frequent, the shortcoming such as easy care not, has improved strand scale qualification rate.
3, system works is reliable, cutting machine and strand synchronous operation steadily, reliable, without hysteresis, fast return original point position error is little.
4, adopt automatic ignition device, solved in continuous flow procedure, waste the un-reasonable phenomenon of combustion gas and oxygen between the cutting twice for keeping kindling material here.
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
Description of drawings
Fig. 1 is principle schematic of the present utility model.
Description of reference numerals:
1-controller; 2-scale measuring system; 2-1-video camera;
2-2-image pick-up card; 2-3-graphics processing unit; 2-4-cutting gun detection and localization unit;
3-flame-cutting plant; 3-1-Cutting dolly; 3-2-strand clamp mechanism;
3-3-cutting gun; 4-cut the car frequency converter; 5-burning torch frequency converter;
6-motor one; 7-motor two; 8-impulse generator;
9-power supply; 10-gas electromagnetic valve; 11-oxygen magnetic valve;
12-folder base magnetic valve, 13-pulse igniter; 14-flame detector;
15-automatic slag removal unit.
The specific embodiment
As shown in Figure 1, the utility model comprises controller 1, the fuel gas supply unit, the oxygen feed unit, to controller 1 transmitted signal so that it calculates the impulse generator 8 of the actual cutting thickness of strand, the power supply 9 that joins with controller 1, join with controller 1 and send the scale measuring system 2 of scale signal to described controller, the flame-cutting plant 3 that strand is cut, respectively by the motor 1 and the motor 27 that cut car frequency converter 4 and burning torch frequency converter 5 and drive and drive described flame-cutting plant work, join with controller 1 and described fuel gas supply unit is carried out the gas electromagnetic valve 10 of open and close controlling, join with controller 1 and described oxygen feed unit is carried out the oxygen magnetic valve 11 of open and close controlling, the pulse igniter 13 and the flame detector 14 that join with controller 1 and described strand is folded up the folder base magnetic valve 12 of control and joins with controller 1 respectively; Described flame-cutting plant 3 comprises Cutting dolly 3-1, be installed in the strand clamp mechanism 3-2 on the Cutting dolly 3-1 and be installed in cutting gun 3-3 on the strand clamp mechanism 3-2, be provided with cutting torch on the described cutting gun, pulse igniter 13 and flame detector 14 are installed in described cutting torch one side; Described scale measuring system 2 comprises the video camera 2-1 of picked-up strand moving image, join with video camera 2-1 and to described image carry out digitized image pick-up card 2-2, digital picture that image pick-up card 2-2 is sent carries out preliminary treatment with the graphics processing unit 2-3 that detects described strand length signals and the cutting gun detection and localization unit 2-4 that joins with controller 1, described image pick-up card 2-2 joins with video camera 2-1 and graphics processing unit 2-3 respectively, and described graphics processing unit 2-3 and controller 1 join; The described car frequency converter 4 that cuts joins with motor 1 and controller 1 respectively, described burning torch frequency converter 5 joins with motor 27 and controller 1 respectively, described motor 1 joins with Cutting dolly 3-1, described motor 27 joins with cutting gun 3-3, described impulse generator 8 joins with controller 1 and power supply 9 respectively, be connected by steam line one between described fuel gas supply unit and the cutting gun 3-3, be connected by steam line two between described oxygen feed unit and the cutting gun 3-3, be provided with the connector that supplies described steam line one and steam line two to join with it on the described cutting gun 3-3, described gas electromagnetic valve 10 is installed on the described steam line one, described oxygen magnetic valve 11 is installed on the described steam line two, and described folder base magnetic valve 12 is installed on the strand clamp mechanism 3-2.
In the present embodiment, also be included in the automatic slag removal unit 15 of in the strand flame cutting process dross on the described cutting torch being cleared up, described automatic slag removal unit and controller 1 join.
In the present embodiment, described controller 1 is PLC.
In the present embodiment, described graphics processing unit 2-3 is industrial computer.
In the present embodiment, described cutting gun detection and localization unit 2-4 is the position sensor that is installed on the cutting gun 3-3.
In the present embodiment, described fuel gas supply unit comprises that the combustion gas of joining successively by steam line separates and produces system, dehydration drying system and voltage-regulating system, and described combustion gas is produced the hydrogen that obtains for separating through coke-stove gas.
In the present embodiment, be provided with gas outlet and oxygen gas outlet on the described cutting torch.
In the present embodiment, described power supply 9 is the 24V D.C. regulated power supply.
The course of work of the present utility model is: after system powers on, at first set scale numerical value, start " infrared scale measurement ", by video camera 2-1 picked-up strand moving image, image is delivered to graphics processing unit 2-3 after image pick-up card 2-2 digitlization, graphics processing unit 2-3 carries out preliminary treatment to the digital picture of described strand, detect the edge of described strand, obtain image scale measured value, meanwhile, cutting gun detection and localization unit 2-4 detects the real time position of cutting gun 3-3, obtain cutting gun location correction value, and the difference of described image scale measured value and described cutting gun location correction value is the scale cutoff signal; After controller 1 obtains described scale cutoff signal, the 12 control strand clamp mechanism 3-2 actions of folder base magnetic valve, make Cutting dolly 3-1 and described strand under motor 1 drives synchronously to overtake, with Time Controller 1 with gas electromagnetic valve 10, oxygen magnetic valve 11 and pulse igniter 13 are opened, pulse igniter 13 is lighted the mist of combustion gas and oxygen and is formed flame to the cutting torch emission electric spark of cutting gun 3-3, flame detector 14 sends signal at stop pulse igniter 13 after detecting flame, and motor 27 drives cutting gun 3-3 and begins cutting under the control of controller 1; In cutting process, because cutting thickness constantly changes, the collaborative work of dependence controller 1 and burning torch frequency converter 5 realizes the variable motion of cutting gun 3-3: during the cutting beginning, controller 1 just obtains the pulse that impulse generator 8 sends, and calculate actual cutting thickness, utilize actual cutting thickness and set cutting thickness, obtain the information that speed change point arrives, when speed change point arrives, controller 1 is just controlled burning torch frequency converter 5 and is come drive motors 27 to do level and smooth speed change, thereby realizes the coupling of slab thickness and cutting speed; Cut complete after, by controller 1 control gas electromagnetic valve 10 and 11 outages of oxygen magnetic valve, close cutting gun 3-3, then press from both sides 12 actions of base magnetic valve, flame-cutting plant 3 breaks away from strands.In addition, in cutting process, automatic slag removal unit 15 is being cleared up the dross on the cutting gun 3-3 cutting torch under the effect of controller 1 in real time.
The above; it only is preferred embodiment of the present utility model; be not that the utility model is imposed any restrictions; every any simple modification, change and equivalent structure of above embodiment being done according to the utility model technical spirit changes, and all still belongs in the protection domain of technical solutions of the utility model.
Claims (8)
1. a strand flame cutting automatic control system is characterized in that: comprise controller (1), the fuel gas supply unit, the oxygen feed unit, to controller (1) transmitted signal so that it calculates the impulse generator (8) of the actual cutting thickness of strand, the power supply (9) that joins with controller (1), join with controller (1) and send the scale measuring system (2) of scale signal to described controller, the flame-cutting plant (3) that strand is cut, respectively by the motor one (6) and the motor two (7) that cut car frequency converter (4) and burning torch frequency converter (5) and drive and drive described flame-cutting plant work, join with controller (1) and described fuel gas supply unit is carried out the gas electromagnetic valve (10) of open and close controlling, join with controller (1) and described oxygen feed unit is carried out the oxygen magnetic valve (11) of open and close controlling, the pulse igniter (13) and the flame detector (14) that join with controller (1) and described strand is folded up the folder base magnetic valve (12) of control and joins with controller (1) respectively; Described flame-cutting plant (3) comprises Cutting dolly (3-1), be installed in the strand clamp mechanism (3-2) on the Cutting dolly (3-1) and be installed in cutting gun (3-3) on the strand clamp mechanism (3-2), be provided with cutting torch on the described cutting gun, pulse igniter (13) and flame detector (14) are installed in described cutting torch one side; Described scale measuring system (2) comprises the video camera (2-1) of picked-up strand moving image, join with video camera (2-1) and described image is carried out digitized image pick-up card (2-2), the digital picture that image pick-up card (2-2) sends is carried out preliminary treatment with the graphics processing unit (2-3) that detects described strand length signals and the cutting gun detection and localization unit (2-4) that joins with controller (1), described image pick-up card (2-2) joins with video camera (2-1) and graphics processing unit (2-3) respectively, and described graphics processing unit (2-3) joins with controller (1); The described car frequency converter (4) that cuts joins with motor one (6) and controller (1) respectively, described burning torch frequency converter (5) joins with motor two (7) and controller (1) respectively, described motor one (6) joins with Cutting dolly (3-1), described motor two (7) joins with cutting gun (3-3), described impulse generator (8) joins with controller (1) and power supply (9) respectively, be connected by steam line one between described fuel gas supply unit and the cutting gun (3-3), be connected by steam line two between described oxygen feed unit and the cutting gun (3-3), be provided with the connector that supplies described steam line one and steam line two to join with it on the described cutting gun (3-3), described gas electromagnetic valve (10) is installed on the described steam line one, described oxygen magnetic valve (11) is installed on the described steam line two, and described folder base magnetic valve (12) is installed on the strand clamp mechanism (3-2).
2. according to a kind of strand flame cutting automatic control system claimed in claim 1, it is characterized in that: also be included in the automatic slag removal unit (15) of in the strand flame cutting process dross on the described cutting torch being cleared up, described automatic slag removal unit and controller (1) join.
3. according to claim 1 or 2 described a kind of strand flame cutting automatic control systems, it is characterized in that: described controller (1) is PLC.
4. according to claim 1 or 2 described a kind of strand flame cutting automatic control systems, it is characterized in that: described graphics processing unit (2-3) is industrial computer.
5. according to claim 1 or 2 described a kind of strand flame cutting automatic control systems, it is characterized in that: described cutting gun detection and localization unit (2-4) is for being installed in the position probing encoder on the cutting gun (3-3).
6. according to claim 1 or 2 described a kind of strand flame cutting automatic control systems, it is characterized in that: described fuel gas supply unit comprises that the combustion gas of joining successively by steam line separates and produces system, dehydration drying system and voltage-regulating system, and described combustion gas is produced the hydrogen that obtains for separating through coke-stove gas.
7. according to claim 1 or 2 described a kind of strand flame cutting automatic control systems, it is characterized in that: be provided with gas outlet and oxygen gas outlet on the described cutting torch.
8. according to claim 1 or 2 described a kind of strand flame cutting automatic control systems, it is characterized in that: described power supply (9) is the 24V D.C. regulated power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220369125 CN202763251U (en) | 2012-07-29 | 2012-07-29 | Automatic control system for cast blank flame cutting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220369125 CN202763251U (en) | 2012-07-29 | 2012-07-29 | Automatic control system for cast blank flame cutting |
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| Publication Number | Publication Date |
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| CN202763251U true CN202763251U (en) | 2013-03-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201220369125 Expired - Fee Related CN202763251U (en) | 2012-07-29 | 2012-07-29 | Automatic control system for cast blank flame cutting |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103192042A (en) * | 2013-04-03 | 2013-07-10 | 河北煜剑节能技术有限公司 | Casting blank cutting control device, cutting system and cutting method based on programmable logic controller (PLC) |
| CN103331427A (en) * | 2013-07-22 | 2013-10-02 | 陈寅明 | Full-automatic steel-making continuous-casting cutting system |
| CN105252103A (en) * | 2015-10-23 | 2016-01-20 | 陕西华秦新能源科技有限责任公司 | Flame cutting device and method for track beam |
| CN105881632A (en) * | 2016-03-24 | 2016-08-24 | 青岛万龙智控科技有限公司 | Rubber fixed-length cutting system and method |
| CN109277543A (en) * | 2018-11-12 | 2019-01-29 | 四川德胜集团钒钛有限公司 | A kind of high-vandium steel continuous casting flame cutting technique |
| CN110773835A (en) * | 2019-10-31 | 2020-02-11 | 联峰钢铁（张家港）有限公司 | Cutting machine motor control system and control method |
| CN111014871A (en) * | 2019-12-20 | 2020-04-17 | 广东省焊接技术研究所（广东省中乌研究院） | Welding control method and welding system |
-
2012
- 2012-07-29 CN CN 201220369125 patent/CN202763251U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103192042A (en) * | 2013-04-03 | 2013-07-10 | 河北煜剑节能技术有限公司 | Casting blank cutting control device, cutting system and cutting method based on programmable logic controller (PLC) |
| CN103192042B (en) * | 2013-04-03 | 2015-03-18 | 河北煜剑节能技术有限公司 | Casting blank cutting control device, cutting system and cutting method based on programmable logic controller (PLC) |
| CN103331427A (en) * | 2013-07-22 | 2013-10-02 | 陈寅明 | Full-automatic steel-making continuous-casting cutting system |
| CN103331427B (en) * | 2013-07-22 | 2015-03-11 | 陈寅明 | Full-automatic steel-making continuous-casting cutting system |
| CN105252103A (en) * | 2015-10-23 | 2016-01-20 | 陕西华秦新能源科技有限责任公司 | Flame cutting device and method for track beam |
| CN105881632A (en) * | 2016-03-24 | 2016-08-24 | 青岛万龙智控科技有限公司 | Rubber fixed-length cutting system and method |
| CN105881632B (en) * | 2016-03-24 | 2017-07-07 | 青岛万龙智控科技有限公司 | Sizing material cut-to-length system and method |
| CN109277543A (en) * | 2018-11-12 | 2019-01-29 | 四川德胜集团钒钛有限公司 | A kind of high-vandium steel continuous casting flame cutting technique |
| CN110773835A (en) * | 2019-10-31 | 2020-02-11 | 联峰钢铁（张家港）有限公司 | Cutting machine motor control system and control method |
| CN111014871A (en) * | 2019-12-20 | 2020-04-17 | 广东省焊接技术研究所（广东省中乌研究院） | Welding control method and welding system |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130306 Termination date: 20130729 |