CN105328154A - Casting blank cutting positioning method and system - Google Patents
Casting blank cutting positioning method and system Download PDFInfo
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- CN105328154A CN105328154A CN201510766106.7A CN201510766106A CN105328154A CN 105328154 A CN105328154 A CN 105328154A CN 201510766106 A CN201510766106 A CN 201510766106A CN 105328154 A CN105328154 A CN 105328154A
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Abstract
The invention discloses a casting blank cutting positioning method and a system. The method comprises the steps of: receiving a drawing roller rotating signal of a withdrawal and straightening machine; determining an operation length of a casting blank according to the drawing roller rotating signal; generating and sending a head blank cutting command to a cutting device so as to control the cutting device to perform the head blank cutting for the casting blank when the operation length is equal to a sum of a basic length and a preset head blank length, wherein the basic length is a distance from a liquid level of a crystallizer to an original position of a cutting car; zeroing the operation length; and generating and sending a cutting command to the cutting device so as to control the cutting device to perform the finished-product cutting for the casting blank when the operation length reaches a preset finished-product cutting length. The casting blank cutting positioning method and system, provided by the invention, are used for solving the technical problems of low precision and high equipment maintenance cost in a casting blank cutting positioning method of the prior art, and realize the technical effects of improving the cutting positioning precision and reducing the equipment maintenance cost.
Description
Technical field
The present invention relates to smelting iron and steel technical field, particularly relate to a kind of strand cutting localization method and system.
Background technology
At present, the cutting scale system of strand adopts infrared ray to follow the tracks of automatic gauging, namely uses infrared camera to carry out running length tracking to high temperature strand, to carry out the cutting of strand.
But, adopt infrared ray to follow the tracks of automatic gauging, there is following technical problem:
1, the change of camera watch region light on ultrared accuracy impact very greatly.
2, because camera eyeglass regularly must carry out wiping to keep clean, camera camera angle variable effect scale accuracy is therefore very easily caused.
3, the picture signal transmission line of camera very easily causes scale system perturbations by outer signals interference.
4, due to operation hours longer (general 10 years), equipment itself is seriously aging, and operation stability is poor, and fault rate is higher.
5, when after the drift of generation cut lengths, the infrared equipment attendant of specialty of being only related can adjust, and repair time is long, and after ging wrong in addition, system changes manual operation into, and worker's labour intensity is large, easily industrial accident occurs.
That is, because infrared ray affects by factors such as extraneous light, vibration equipment, data network line states, often there is scale drift, cannot the faults such as scale be followed the tracks of.And along with ageing equipment, system cloud gray model fault rate increases considerably, system update is regenerated costly, therefore the cutting localization method of strand of the prior art exists accuracy is low, cost of equipment maintenance is high technical problem.
Summary of the invention
The present invention cuts localization method and system by providing a kind of strand, and the cutting localization method solving strand of the prior art exists the technical problem that accuracy is low, cost of equipment maintenance is high.
On the one hand, for solving the problems of the technologies described above, the invention provides following technical scheme:
A kind of strand cutting localization method, described method is applied in electronic equipment, and described electronic equipment is connected with cutter sweep, and described electronic equipment is connected with withdrawal straightening machine, and described method comprises:
Receive the throwing roller rotating signal of described withdrawal straightening machine;
The running length of described strand is determined according to described throwing roller rotating signal;
When described running length equal foundation length and the head base length preset and time, generate and send base cutting order to a described cutter sweep, to control described cutter sweep, a base cutting carried out to described strand; Wherein, described foundation length is the distance of mould liquid level to cutting car raw bits;
Described running length is reset;
When described running length reaches default finished product Cutting Length, generate and send cutting order to described cutter sweep, to control described cutter sweep, finished product cutting is carried out to described strand.
Optionally, described reach default finished product Cutting Length at described running length time, after generating and sending cutting order to described cutter sweep, also comprise: when described running length reaches the integral multiple of default finished product Cutting Length at every turn, generate and send described cutting order to described cutter sweep, to control described cutter sweep, finished product cutting is carried out to described strand; Or after generating and sending described cutting order, described running length is reset at every turn; When described running length reaches default finished product Cutting Length at every turn, generate and send cutting order to described cutter sweep, to control described cutter sweep, finished product cutting is carried out to described strand.
Optionally, described electronic equipment is specially programmable logic controller (PLC).
Optionally, described finished product Cutting Length comprises shrinkage factor scale.
On the other hand, provide a kind of strand to cut navigation system, described system comprises:
Electronic equipment and the cutter sweep be connected with described electronic equipment; Wherein, described electronic equipment is connected with withdrawal straightening machine;
Wherein, described electronic equipment is used for:
Receive the throwing roller rotating signal of described withdrawal straightening machine;
The running length of described strand is determined according to described throwing roller rotating signal;
When described running length equal foundation length and the head base length preset and time, generate and send base cutting order to a described cutter sweep, to control described cutter sweep, a base cutting carried out to described strand; Wherein, described foundation length is the distance of mould liquid level to cutting car raw bits;
Described running length is reset;
When described running length reaches default finished product Cutting Length, generate and send cutting order to described cutter sweep, to control described cutter sweep, finished product cutting is carried out to described strand.
Optionally, described electronic equipment is specially programmable logic controller (PLC).
The one or more technical schemes provided in the embodiment of the present application, at least have following technique effect or advantage:
1, the cutting localization method of strand that provides of the embodiment of the present application and system, using withdrawal straightening machine throwing roller rotating signal as data source, determine strand running length, avoid infrared camera to detect the large by ectocine of strand running length existence, therefore coarse technical problem, improve cutting setting accuracy; Further, adopt electronic equipment to be connected with cutter sweep and carry out cut-sytle pollination, need not infrared camera be set, decreases the maintenance cost of equipment.
2, the cutting localization method of strand that provides of the embodiment of the present application and system, by arrange liquid level to cutting car raw bits distance based on distance carry out cutting head base, add an accuracy for base cutting, this system affects very little by extraneous factor, system run all right, cutting precision is high, can ensure often to prop up strand length complete unity, thus also ensures that pump difference is monthly stable.
3, the cutting localization method of strand that provides of the embodiment of the present application and system, do not need infrared specialized maintenance personnel to keep in repair, and operative employee at any time can adjustment System, often need not change system into manual operation, reduce worker's labour intensity, reduce industrial accident and occur.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only embodiments of the invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to the accompanying drawing provided.
Fig. 1 is the flow chart of the cutting localization method of strand in the embodiment of the present application;
Fig. 2 is the structural representation of the cutting navigation system of strand in the embodiment of the present application.
Detailed description of the invention
The embodiment of the present application cuts localization method and system by providing a kind of strand, and the cutting localization method solving strand of the prior art exists the technical problem that accuracy is low, cost of equipment maintenance is high.Achieve the technique effect improving cutting setting accuracy and reduce cost of equipment maintenance.
For solving the problems of the technologies described above, the embodiment of the present application provides the general thought of technical scheme as follows:
The application provides a kind of strand to cut localization method, and described method is applied in electronic equipment, and described electronic equipment is connected with cutter sweep, and described electronic equipment is connected with withdrawal straightening machine, and described method comprises:
Receive the throwing roller rotating signal of described withdrawal straightening machine;
The running length of described strand is determined according to described throwing roller rotating signal;
When described running length equal foundation length and the head base length preset and time, generate and send base cutting order to a described cutter sweep, to control described cutter sweep, a base cutting carried out to described strand; Wherein, described foundation length is the distance of mould liquid level to cutting car raw bits;
Described running length is reset;
When described running length reaches default finished product Cutting Length, generate and send cutting order to described cutter sweep, to control described cutter sweep, finished product cutting is carried out to described strand.
Visible, by using withdrawal straightening machine throwing roller rotating signal as data source, determine strand running length, avoid infrared camera to detect the large by ectocine of strand running length existence, therefore coarse technical problem, improve cutting setting accuracy; Further, adopt electronic equipment to be connected with cutter sweep and carry out cut-sytle pollination, need not infrared camera be set, decreases the maintenance cost of equipment.
In order to better understand technique scheme, below in conjunction with concrete embodiment, technique scheme is described in detail, the specific features being to be understood that in the embodiment of the present invention and embodiment is the detailed description to technical scheme, instead of the restriction to technical scheme, when not conflicting, the technical characteristic in the embodiment of the present application and embodiment can combine mutually.
Embodiment one
In the present embodiment, provide a kind of strand cutting localization method, described method is applied in electronic equipment, described electronic equipment is connected with cutter sweep, described electronic equipment is connected with withdrawal straightening machine, please refer to Fig. 1, and Fig. 1 is the flow chart of the cutting localization method of strand in the embodiment of the present application, as shown in Figure 1, described method comprises:
Step S101, receives the throwing roller rotating signal of described withdrawal straightening machine;
Step S102, determines the running length of described strand according to described throwing roller rotating signal;
Step S103, when described running length equal foundation length and the head base length preset and time, generate and send base cutting order to a described cutter sweep, to control described cutter sweep, a base cutting carried out to described strand; Wherein, described foundation length is the distance of mould liquid level to cutting car raw bits;
Step S104, resets described running length;
Step S105, when described running length reaches default finished product Cutting Length, generates and sends cutting order to described cutter sweep, carries out finished product cutting to control described cutter sweep to described strand.
In the embodiment of the present application, described electronic equipment is specially programmable logic controller (PLC); Certainly, described electronic equipment can be also desktop computer, notebook computer or the control panel that chip is housed, and is not restricted in this application.
In specific implementation process, the described running length determining described strand according to described throwing roller rotating signal, can be specifically with the rotation length of described throwing roller rotating signal determination throwing roller, rotate the running length of length as described strand using this; Certainly, in specific implementation process, can also add experiential modification value to determine the running length of more accurate strand in described rotation length, this is not restricted.
In specific implementation process, described reach default finished product Cutting Length at described running length time, generate and send cutting order to after described cutter sweep, also comprise:
When described running length reaches the integral multiple of default finished product Cutting Length at every turn, generate and send described cutting order to described cutter sweep, to control described cutter sweep, finished product cutting is carried out to described strand; Or
After generating and sending described cutting order, described running length is reset at every turn; When described running length reaches default finished product Cutting Length at every turn, generate and send cutting order to described cutter sweep, to control described cutter sweep, finished product cutting is carried out to described strand.
Specifically, namely cut and after resetting, can be carry out running length clearing after each finished product cutting, then carry out finished product cutting next time by the finished product Cutting Length preset, back and forth run successively, thus realize scale surface trimming having carried out head base; Also can be do not reset running length after the cutting of each finished product, but carry out finished product cutting when running length reaches the integral multiple of default finished product Cutting Length at every turn, this is not restricted.
In the embodiment of the present application, described finished product Cutting Length comprises shrinkage factor scale, to improve cutting accuracy.
Be computer below with electronic equipment be example, further illustrate the method that the present embodiment provides:
Using withdrawal straightening machine throwing roller rotating signal as the data source of computer, throwing roller CRANK PULSES is converted into strand running length;
Then, in electronic equipment program inside, mould liquid level is set as foundation length to cutting car raw bits distance 28.8m, using 28.8m+2.7m (default head base length)=31.5m as head base cutoff signal, that is when strand running length reaches 31.5m, assign the order of cutting head base from computer-internal, simultaneously automatic strand length to be reset;
Next, when strand running length adds up to reach 12.1m (default finished product Cutting Length), computer continues to assign cutting order, again strand length is reset simultaneously, back and forth runs successively, thus realize scale surface trimming.
Based on same inventive concept, present invention also provides the system that in embodiment one, method is corresponding, detailed in Example two.
Embodiment two
In the present embodiment, provide a kind of strand cutting navigation system, please refer to Fig. 2, Fig. 2 is the structural representation of the cutting navigation system of strand in the embodiment of the present application, and as shown in Figure 2, described system comprises:
Electronic equipment 201 and the cutter sweep 202 be connected with described electronic equipment 201; Wherein, described electronic equipment 201 is connected with withdrawal straightening machine;
Wherein, described electronic equipment 201 for:
Receive the throwing roller rotating signal of described withdrawal straightening machine;
The running length of described strand is determined according to described throwing roller rotating signal;
When described running length equal foundation length and the head base length preset and time, generate and send base cutting order to a described cutter sweep 202, to control described cutter sweep, a base cutting carried out to described strand; Wherein, described foundation length is the distance of mould liquid level to cutting car raw bits;
Described running length is reset;
When described running length reaches default finished product Cutting Length, generate and send cutting order to described cutter sweep 202, to control described cutter sweep, finished product cutting is carried out to described strand.
In the embodiment of the present application, described electronic equipment is specially programmable logic controller (PLC); Certainly, described electronic equipment can be also desktop computer, notebook computer or the control panel that chip is housed, and is not restricted in this application.
The operation principle of system in the present embodiment, describes in detail in embodiment one, succinct in order to description, has just been not repeated at this.
Technical scheme in above-mentioned the embodiment of the present application, at least has following technique effect or advantage:
1, the cutting localization method of strand that provides of the embodiment of the present application and system, using withdrawal straightening machine throwing roller rotating signal as data source, determine strand running length, avoid infrared camera to detect the large by ectocine of strand running length existence, therefore coarse technical problem, improve cutting setting accuracy; Further, adopt electronic equipment to be connected with cutter sweep and carry out cut-sytle pollination, need not infrared camera be set, decreases the maintenance cost of equipment.
2, the cutting localization method of strand that provides of the embodiment of the present application and system, by arrange liquid level to cutting car raw bits distance based on distance carry out cutting head base, add an accuracy for base cutting, this system affects very little by extraneous factor, system run all right, cutting precision is high, can ensure often to prop up strand length complete unity, thus also ensures that pump difference is monthly stable.
3, the cutting localization method of strand that provides of the embodiment of the present application and system, do not need infrared specialized maintenance personnel to keep in repair, and operative employee at any time can adjustment System, often need not change system into manual operation, reduce worker's labour intensity, reduce industrial accident and occur.
Although describe the preferred embodiments of the present invention, those skilled in the art once obtain the basic creative concept of cicada, then can make other change and amendment to these embodiments.So claims are intended to be interpreted as comprising preferred embodiment and falling into all changes and the amendment of the scope of the invention.
Obviously, those skilled in the art can carry out various change and modification to the present invention and not depart from the spirit and scope of the present invention.Like this, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification.
Claims (6)
1. a strand cutting localization method, it is characterized in that, described method is applied in electronic equipment, and described electronic equipment is connected with cutter sweep, and described electronic equipment is connected with withdrawal straightening machine, and described method comprises:
Receive the throwing roller rotating signal of described withdrawal straightening machine;
The running length of described strand is determined according to described throwing roller rotating signal;
When described running length equal foundation length and the head base length preset and time, generate and send base cutting order to a described cutter sweep, to control described cutter sweep, a base cutting carried out to described strand; Wherein, described foundation length is the distance of mould liquid level to cutting car raw bits;
Described running length is reset;
When described running length reaches default finished product Cutting Length, generate and send cutting order to described cutter sweep, to control described cutter sweep, finished product cutting is carried out to described strand.
2. the method for claim 1, is characterized in that, described reach default finished product Cutting Length at described running length time, generate and send cutting order to after described cutter sweep, also comprise:
When described running length reaches the integral multiple of default finished product Cutting Length at every turn, generate and send described cutting order to described cutter sweep, to control described cutter sweep, finished product cutting is carried out to described strand; Or
After generating and sending described cutting order, described running length is reset at every turn; When described running length reaches default finished product Cutting Length at every turn, generate and send cutting order to described cutter sweep, to control described cutter sweep, finished product cutting is carried out to described strand.
3. the method for claim 1, is characterized in that, described electronic equipment is specially programmable logic controller (PLC).
4. the method for claim 1, is characterized in that, described finished product Cutting Length comprises shrinkage factor scale.
5. a strand cutting navigation system, it is characterized in that, described system comprises:
Electronic equipment and the cutter sweep be connected with described electronic equipment; Wherein, described electronic equipment is connected with withdrawal straightening machine;
Wherein, described electronic equipment is used for:
Receive the throwing roller rotating signal of described withdrawal straightening machine;
The running length of described strand is determined according to described throwing roller rotating signal;
When described running length equal foundation length and the head base length preset and time, generate and send base cutting order to a described cutter sweep, to control described cutter sweep, a base cutting carried out to described strand; Wherein, described foundation length is the distance of mould liquid level to cutting car raw bits;
Described running length is reset;
When described running length reaches default finished product Cutting Length, generate and send cutting order to described cutter sweep, to control described cutter sweep, finished product cutting is carried out to described strand.
6. system as claimed in claim 5, it is characterized in that, described electronic equipment is specially programmable logic controller (PLC).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510766106.7A CN105328154B (en) | 2015-11-11 | 2015-11-11 | A kind of strand cutting localization method and system |
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| CN201510766106.7A CN105328154B (en) | 2015-11-11 | 2015-11-11 | A kind of strand cutting localization method and system |
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| CN105328154B CN105328154B (en) | 2018-03-13 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107378188A (en) * | 2017-06-02 | 2017-11-24 | 内蒙古包钢钢联股份有限公司 | A kind of strand method for scaling |
| CN107498689A (en) * | 2017-09-06 | 2017-12-22 | 佛山市嘉亿艺术陶瓷研究有限公司 | A kind of pottery based on infrared scan technology draws embryo bearing calibration automatically |
| CN107931554A (en) * | 2017-11-30 | 2018-04-20 | 山信软件股份有限公司 | A kind of continuous casting billet method for calculating and locating |
| CN110560651A (en) * | 2019-09-16 | 2019-12-13 | 中冶南方连铸技术工程有限责任公司 | Method for judging cutting-off of continuous casting billet |
| CN113587875A (en) * | 2021-08-06 | 2021-11-02 | 山西云时代太钢信息自动化技术有限公司 | Zero point positioning method for vertical continuous casting billet length measurement |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08323453A (en) * | 1995-05-30 | 1996-12-10 | Kawasaki Steel Corp | Slab cutting equipment in twin casting |
| CN201002127Y (en) * | 2006-08-08 | 2008-01-09 | 新疆八一钢铁集团有限责任公司 | Continuous casting machine sizing cutting device |
| CN101602097A (en) * | 2009-07-20 | 2009-12-16 | 攀枝花新钢钒股份有限公司 | A kind of continuous casting billet movement parameter detection apparatus and method |
| CN101941063A (en) * | 2010-08-27 | 2011-01-12 | 唐山国丰钢铁有限公司 | Steelmaking square billet encoding and sizing method |
| 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) |
| CN203343397U (en) * | 2013-07-16 | 2013-12-18 | 江阴联盛自动化工程有限公司 | Continuous casting billet laser fixed-length system device |
-
2015
- 2015-11-11 CN CN201510766106.7A patent/CN105328154B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08323453A (en) * | 1995-05-30 | 1996-12-10 | Kawasaki Steel Corp | Slab cutting equipment in twin casting |
| CN201002127Y (en) * | 2006-08-08 | 2008-01-09 | 新疆八一钢铁集团有限责任公司 | Continuous casting machine sizing cutting device |
| CN101602097A (en) * | 2009-07-20 | 2009-12-16 | 攀枝花新钢钒股份有限公司 | A kind of continuous casting billet movement parameter detection apparatus and method |
| CN101941063A (en) * | 2010-08-27 | 2011-01-12 | 唐山国丰钢铁有限公司 | Steelmaking square billet encoding and sizing method |
| 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) |
| CN203343397U (en) * | 2013-07-16 | 2013-12-18 | 江阴联盛自动化工程有限公司 | Continuous casting billet laser fixed-length system device |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107378188A (en) * | 2017-06-02 | 2017-11-24 | 内蒙古包钢钢联股份有限公司 | A kind of strand method for scaling |
| CN107498689A (en) * | 2017-09-06 | 2017-12-22 | 佛山市嘉亿艺术陶瓷研究有限公司 | A kind of pottery based on infrared scan technology draws embryo bearing calibration automatically |
| CN107931554A (en) * | 2017-11-30 | 2018-04-20 | 山信软件股份有限公司 | A kind of continuous casting billet method for calculating and locating |
| CN110560651A (en) * | 2019-09-16 | 2019-12-13 | 中冶南方连铸技术工程有限责任公司 | Method for judging cutting-off of continuous casting billet |
| CN113587875A (en) * | 2021-08-06 | 2021-11-02 | 山西云时代太钢信息自动化技术有限公司 | Zero point positioning method for vertical continuous casting billet length measurement |
| CN113587875B (en) * | 2021-08-06 | 2024-05-17 | 宝信软件(山西)有限公司 | Zero point positioning method for length measurement of vertical continuous casting billet |
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