CN102672999A - Method, device and system for controlling thickness of plate blank - Google Patents
Method, device and system for controlling thickness of plate blank Download PDFInfo
- Publication number
- CN102672999A CN102672999A CN2011100635504A CN201110063550A CN102672999A CN 102672999 A CN102672999 A CN 102672999A CN 2011100635504 A CN2011100635504 A CN 2011100635504A CN 201110063550 A CN201110063550 A CN 201110063550A CN 102672999 A CN102672999 A CN 102672999A
- Authority
- CN
- China
- Prior art keywords
- thickness
- frame
- hot slab
- cold drawing
- slab
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Landscapes
- Forging (AREA)
Abstract
The embodiment of the invention discloses a method, a device and a system for controlling thickness of a plate blank. The method comprises the following steps of selecting a main guide rack and a plurality of secondary racks, wherein the main guide rack uses the position parameter of multiple mounted position control sensors as a control target; determining the target thickness value of a thermal plate blank when the thermal plate blank is machined through the thermal plate blank intervention quantity obtained by calculating the thickness of a cold plate blank and the target thickness of the cold plate blank; performing pressure control over the thermal plate blank so as to reach the ordered thickness standard required by the process, while the pressure control on the secondary racks follows the pressure control mode of the main guide rack, thus, accurate thickness fixing of the plate blank is realized, and the disadvantage that in the prior art, the plate blank thickness is affected by estimating the thicknesses of other positions of the plate blank through estimating the position parameters of two displacement sensors on the rack is overcome.
Description
Technical field
The present invention relates to the slab processing technique field, more particularly, relate to a kind of slab thickness control method, device and system.
Background technology
Plate of plate continuous press is a kind of press of frame structure; Play and include leading frame in the frame of fixation and from frame, leading frame and on the frame the independent respectively sensor of installing be used for control to the slab thickness on said plate of plate continuous press.
There is following shortcoming at least in the mode that slab thickness control is carried out in sensor installation of the prior art and independent control: because the state of slab in continuous press is hot situation; In case leaving this press slab will cool off; Because of slab can be changed by thickness in the cold process of thermal change, the different section materials of slab and the difference of moisture content in addition, difference all takes place in the thickness of then different slabs and single slab; And finally cause profiled sheeting to order thick inaccuracy, can not reach technological requirement; Secondly, need to carry out the sanding operation finally fixed thick because the part profiled sheeting can not guarantee that thickness reaches technological requirement, and the interpolation of this step has caused cost to improve and the low shortcoming of productivity ratio.
Summary of the invention
In view of this, the present invention provides a kind of slab thickness control method, device and system, and the mode that adopts the control of Position Control and pressure to combine realizes that slab precisely orders thick purpose.
A kind of slab thickness control method comprises:
On leading frame, two above Position Control sensors are set, measure the different section thickness of hot slab respectively, with the adjacent frame in the said leading frame left and right sides be from frame;
To revise the hot slab target thickness of said leading frame through calculating intervention amount that cold drawing base thickness and cold drawing base target thickness deviation obtain as feedback;
Detect the hot slab actual (real) thickness of different sections through said Position Control sensor; And with reference to said hot slab target thickness the hot slab of this section is pressurizeed or reduces pressure, to be directed against the control of said hot slab consistent with dominating frame in said pressure control from frame.
The leading frame that a plurality of Position Control sensors are installed in the above-mentioned embodiment serves as the control target with position (being slab thickness); Be controlled to be the control target from frame with the pressure on the leading frame; And the intervention amount that combines cold drawing base thickness carries out pressure and regulates, and realized that slab orders thick accurate control to reach technological requirement.
Preferably; Saidly on leading frame, two above Position Control sensors are set; Measuring the different section thickness of hot slab respectively is specially: at position, leading frame hot slab machining area left, center, right three displacement transducers are set, respectively the hot slab thickness of independent measurement relevant position.
In this embodiment; On the leading frame three displacement transducers are installed; And the hot slab thickness of the section of measurement correspondence respectively; But the number of displacement transducer is not limited to the above-mentioned form of enumerating, and can add according to the actual process demand, plural displacement transducer is installed has been overcome two displacement transducers estimations of installation on the prior art mid frame and influenced the fixed thick shortcoming of centre position slab.
Preferably, said will being specially through the hot slab target thickness that the intervention amount that calculating cold drawing base thickness and cold drawing base target thickness deviation obtain is revised said leading frame as feedback:
Calculate the difference of said cold drawing base correspondence position actual (real) thickness and cold drawing base target thickness, and calculate the intervention amount as feedback, revise the hot slab target thickness of said leading frame through pi controller PI.
Above-mentioned embodiment has characterized and has combined cold drawing base target thickness to carry out a kind of computing method mode of hot slab pressurization or decompression adjustment thickness, but is not limited to the above-mentioned form of enumerating.
Preferably, detect the hot slab actual (real) thickness of different sections through said Position Control sensor, with reference to said hot slab target thickness the hot slab of this section being pressurizeed or reduces pressure is specially:
The said hot slab actual (real) thickness that records when certain section Position Control sensor is during greater than said hot slab target thickness; The hydraulic jack pressurizing valve work that this position of leading frame is corresponding, and also pressurize simultaneously from the pressurizing valve of the hydraulic control system of frame is related with the pressurizing valve of said leading frame;
The said hot slab actual (real) thickness that records when certain section Position Control sensor is during less than said hot slab target thickness; The hydraulic jack pressure-reducing valve work that this position of leading frame is corresponding, and also reduce pressure simultaneously from the pressure-reducing valve of the hydraulic control system of frame is related with the pressure-reducing valve of said leading frame.
Pressure in this embodiment is controlled and is combined with the thickness means of intervention, and drives the magnetic valve action from frame by the corresponding hydraulic jack magnetic valve of leading frame, carries out the pressure adjusting more equably so that carry out the hot slab of machining state.
A kind of blank thickness control device; Comprise: leading frame, adjacent some of this leading frame from frame, said leading frame is provided with two above Position Control sensors; Measure the different section thickness of hot slab respectively, with the adjacent frame in the said leading frame left and right sides be from frame;
Cold drawing base calibrator is arranged at the plate of plate continuous press exit, and the related Position Control sensor of probe difference of said cold drawing base calibrator is with test cold drawing base thickness;
Intervention amount computing module is used for the hot slab target thickness of the intervention amount that obtains through calculating cold drawing base thickness and cold drawing base target thickness deviation as the said leading frame of feedback modification;
The corresponding hydraulic jack of Position Control sensor difference with each section; Detect the hot slab actual (real) thickness of different sections through said Position Control sensor; And with reference to said hot slab target thickness the hot slab of this section is pressurizeed or reduces pressure, to be directed against the control of said hot slab consistent with dominating frame in said pressure control from frame.
Said apparatus is corresponding with method; On the basis of existing plate of plate continuous press; Selected leading frame and be from frame with the adjacent frame in this leading frame left and right sides, and a plurality of Position Control sensors are installed realizing processing the thickness monitor of a plurality of sections of slab on said leading frame, and; The thickness intervention amount that draws in conjunction with said cold drawing base calibrator and intervention amount computing module, fixed thick and pressure control provides accurate reference for hot slab.
Preferably, said Position Control sensor is specially displacement transducer.
Preferably, said cold drawing base calibrator is arranged at 10m place, plate of plate continuous press outlet back.
A kind of slab thickness control system comprises: blank thickness control device, plate of plate continuous press, through fieldbus PROFIBUS DP slave station connected in series, operation host computer and central processor CPU, and wherein, said blank thickness control device comprises:
Leading frame, adjacent some of this leading frame from frame, said leading frame is provided with two above Position Control sensors, measures the different section thickness of hot slab respectively;
Cold drawing base calibrator is arranged at the plate of plate continuous press exit, and the related Position Control sensor of probe difference of said cold drawing base calibrator is with test cold drawing base thickness;
Intervention amount computing module is used for the hot slab target thickness of the intervention amount that obtains through calculating cold drawing base thickness and cold drawing base target thickness deviation as the said leading frame of feedback modification;
The corresponding hydraulic jack of Position Control sensor difference with each section; Detect the hot slab actual (real) thickness of different sections through said Position Control sensor; And with reference to said hot slab target thickness the hot slab of this section is pressurizeed or reduces pressure, to be directed against the control of said hot slab consistent with dominating frame in said pressure control from frame;
The magnetic valve of said hydraulic jack is connected to the output module of said DP slave station, and the pressure sensor of said hydraulic jack is connected to the analog quantity input module of said DP slave station, and through said PROFIBUS universal serial bus and said CPU communication;
Said operation host computer is monitoring said hydraulic jack pressure, DP slave station status information and Position Control sensor thickness of slab data in real time.
This system is corresponding respectively with said method and device, and said device and bus, CPU are integrated, and implements the control of monitoring thickness and pressure, reaches slab and accurately orders thick technique effect.
Preferably, said system also comprises programmable logic controller (PLC) PLC switch board, and said CPU is installed in the said PLC switch board, and said CPU is a S400 series.
Preferably, said system also comprises Ethernet card, is CP443 series, and is installed in the said PLC switch board.
Above-mentioned CPU and Ethernet card conduct are preferably selected for use in the present embodiment, and are not limited to this kind implementation.
Can find out from above-mentioned technical scheme; The embodiment of the invention is selected a leading frame and some from frame; Said leading frame serves as the control target with the location parameter of a plurality of Position Control sensors of installation; Hot slab intervention amount in conjunction with obtaining through calculating cold drawing base thickness and cold drawing base target thickness confirms that hot slab adds the hot slab target thickness value in man-hour; Hot slab carries out pressure control to reach the thick standard of ordering of technological requirement; The pressure control mode of leading frame is then followed in said pressure control on the frame, has realized that slab is accurately fixed thick, and has overcome on the prior art mid frame and influence the fixed thick shortcoming of slab through two other position thickness of displacement transducer location parameters estimation slab.In addition, embodiments of the invention be owing to can order thick operation more exactly, and have saved the sanding operation, have cut down cost and have improved productivity ratio.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art; To do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below; Obviously, the accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills; Under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the disclosed a kind of slab thickness control method flow chart of the embodiment of the invention;
Fig. 2 is the disclosed a kind of slab thickness control method flow chart of another embodiment of the present invention;
Fig. 3 is the disclosed a kind of blank thickness control device structural representation of the embodiment of the invention;
Fig. 4 a is the disclosed a kind of slab thickness control system architecture sketch map of the embodiment of the invention;
Fig. 4 b is the structural representation of blank thickness control device in the disclosed a kind of slab thickness control of the embodiment of the invention system.
The specific embodiment
To combine the accompanying drawing in the embodiment of the invention below, the technical scheme in the embodiment of the invention is carried out clear, intactly description, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the present invention's protection.
The embodiment of the invention discloses a kind of slab thickness control method, device and system realize to select a leading frame and several are from frame; Leading frame with location parameter as the control target; Serves as the control target from frame with the actual pressure of dominating frame, in conjunction with the thickness intervention feedback of cold drawing base, in the fixed thick zone that is configured to said leading frame and slave; The thickness of final moulding hot slab is accurately controlled, satisfied technological requirement better.
Before carrying out the embodiment explanation, it is to be noted:
When getting into fixed thick zone; In some frames, select a frame as leading frame; Plural displacement transducer is installed on this frame, selects the frame adjacent again, be provided with three oil cylinders on each frame as from frame with the leading frame left and right sides; Be respectively three oil cylinders in left, center, right, each oil cylinder all has independently hydraulic control system.
If on said mainframe, be provided with three displacement transducers; Individual setting and measurement can be carried out in position in that three displacement transducers are corresponding, all only are provided with the actual (real) thickness of two displacement sensor hot slab both sides on original frame, and the mean value estimation is only done in the centre position; At the thickness of hot slab both sides in appropriate scope; And middle reality does not reach standard thickness, and is no longer suitable for the pressure controling mode of the both sides of this hot slab, if then continue undue pressurization or decompression; Then can cause the fixed thick deviation in hot slab centre position, thus the technological requirement of not reaching.
And; Above-mentioned oil cylinder all has the pressure limit protection, and in time thickness does not reach specified scope, after pressure reaches the limit of; The oil cylinder magnetic valve stops action and makes and order thick operation and stay cool; Because all independent control between each frame, then need respectively parameter renegotiation new settings this moment to each frame, operation is loaded down with trivial details and certain hysteresis arranged.
Slab by heat in cold process, thickness will change, the slab of each section changes and is not quite similar, even the thickness of the hot slab on the press meets the demands, in case leave press then possibly produce thickness deviation, makes the cold drawing base can't satisfy technological requirement.
The production board that from press, comes out in the existing manufacturing technique also will pass through the sanding operation, and the interpolation of this step has caused cost to improve and the low shortcoming of productivity ratio.
To sum up, slab thickness control method disclosed by the invention, device and system have solved the problems referred to above, set forth with embodiment at present:
Fig. 1 shows a kind of slab thickness control method, comprising:
Step 11: on leading frame, two above Position Control sensors are set, measure the different section thickness of hot slab respectively;
With the adjacent frame in the said leading frame left and right sides be from frame, need to prove, after hot slab gets into fixed thick operation; Arbitrary frame of process all can be used as leading frame; And can as preferably, be a frame adjacent according to actual conditions more options unit from frame with its left and right sides from frame.
Preferably, three displacement transducers are set, respectively the hot slab thickness of independent measurement relevant position at position, leading frame hot slab machining area left, center, right.
Need to prove: on the leading frame three displacement transducers are installed; And the hot slab thickness of the section of measurement correspondence respectively; But the number of displacement transducer is not limited to the above-mentioned form of enumerating; Can add according to the actual process demand, plural displacement transducer is installed overcome two displacement transducers estimations of installation on the prior art mid frame and influenced the fixed thick shortcoming of centre position slab.
Step 12: will revise the hot slab target thickness of said leading frame through calculating intervention amount that cold drawing base thickness and cold drawing base target thickness deviation obtain as feedback;
Show in this step; Leading frame is for target thickness two parts addition gained of hot slab to be processed; A part is to set according to technological requirement; Another part is according to the thickness intervention amount of the cold drawing base actual (real) thickness value of measuring gained with the generation of cold drawing base thickness setting value, and when carrying out surely thick technology, receives the control of this intervention amount actual respectively for the position sensor that is used to measure on each section on the said leading frame.
Step 13: the hot slab actual (real) thickness that detects different sections through said Position Control sensor; And with reference to said hot slab target thickness the hot slab of this section is pressurizeed or reduces pressure, to be directed against the control of said hot slab consistent with dominating frame in said pressure control from frame.
Saidly measure gained by the left, center, right pressure sensor of hydraulic system respectively from the pressure controlled pressure actual value of frame; And utilize pressure set points=coupling pressure coefficient * to dominate frame pressure actual value; The pressure control mode on the leading frame is followed in said pressure control from frame, and with from the fixed thick zone of frame formation, pressure is regulated has uniformity at the process mainframe; And combine the fixed thick mode of feedback exactly, can reach thick surely technological requirement better.
In the present embodiment; The leading frame that a plurality of Position Control sensors are installed serves as the control target with position (being slab thickness); Be controlled to be the control target from frame with the pressure on the leading frame; And the intervention amount that combines cold drawing base thickness carries out pressure and regulates, and realized that slab orders thick accurate control to reach technological requirement.
Fig. 2 shows the disclosed a kind of slab thickness control method of another embodiment, comprising:
Step 21: on leading frame, two above Position Control sensors are set, measure the different section thickness of hot slab respectively;
At position, leading frame hot slab machining area left, center, right three displacement transducers are set, respectively the hot slab thickness of independent measurement relevant position.
Step 22: will revise the hot slab target thickness of said leading frame through calculating intervention amount that cold drawing base thickness and cold drawing base target thickness deviation obtain as feedback;
This step is specially: calculate the difference of said cold drawing base correspondence position actual (real) thickness and cold drawing base target thickness, and calculate the intervention amount as feedback through pi controller PI, revise the hot slab target thickness of said leading frame.
The above-mentioned specific embodiment has characterized and has combined cold drawing base target thickness to carry out a kind of computing method mode of hot slab pressurization or decompression adjustment thickness, but is not limited to the above-mentioned form of enumerating.
Step 23: detect the hot slab actual (real) thickness of different sections through said Position Control sensor, and pressurize or reduce pressure with reference to the hot slab of said hot slab target thickness to this section;
The said hot slab actual (real) thickness that records when certain section Position Control sensor is during greater than said hot slab target thickness; The hydraulic jack pressurizing valve work that this position of leading frame is corresponding, and also pressurize simultaneously from the pressurizing valve of the hydraulic control system of frame is related with the pressurizing valve of said leading frame;
The said hot slab actual (real) thickness that records when certain section Position Control sensor is during less than said hot slab target thickness; The hydraulic jack pressure-reducing valve work that this position of leading frame is corresponding, and also reduce pressure simultaneously from the pressure-reducing valve of the hydraulic control system of frame is related with the pressure-reducing valve of said leading frame.
In the present embodiment, pressure is controlled and is combined with the thickness means of intervention, and drives the magnetic valve action from frame by the corresponding hydraulic jack magnetic valve of leading frame, carries out the pressure adjusting more equably so that carry out the hot slab of machining state.
Fig. 3 shows a kind of leading frame thickness control device, comprising:
Leading frame 31, adjacent some of this leading frame 31 from frame, said leading frame is provided with two above Position Control sensors, measures the different section thickness of hot slab respectively, with the adjacent frame in the said leading frame left and right sides be from frame;
Cold drawing base calibrator 32; Be arranged at the plate of plate continuous press exit; A related Position Control sensor is with test cold drawing base thickness respectively for the probe of said cold drawing base calibrator, and according to the actual production process requirements, said cold drawing base calibrator is arranged at plate of plate continuous press outlet 10m place; When on the said leading frame three position sensors being installed, then needing with it respectively, three probes of related cold drawing base calibrator advance the thickness measure of type cold drawing base.
Intervention amount computing module 33 is used for the hot slab target thickness of the intervention amount that obtains through calculating cold drawing base thickness and cold drawing base target thickness deviation as the said leading frame of feedback modification;
The corresponding hydraulic jack 34 of Position Control sensor difference with each section; Detect the hot slab actual (real) thickness of different sections through said Position Control sensor; And with reference to said hot slab target thickness the hot slab of this section is pressurizeed or reduces pressure, to be directed against the control of said hot slab consistent with dominating frame in said pressure control from frame.
Need to prove that said Position Control sensor is specially displacement transducer, but be not limited to this kind mode.
On the basis of existing plate of plate continuous press; Selected leading frame and be from frame with the adjacent frame in this leading frame left and right sides; And a plurality of Position Control sensors are installed on said leading frame to realize thickness monitor to a plurality of sections of processing slab; And, the thickness intervention amount that draws in conjunction with said cold drawing base calibrator and intervention amount computing module, fixed thick and pressure control provides accurate reference for hot slab.
Fig. 4 a shows a kind of slab thickness and controls system, comprising:
Blank thickness control device 41, plate of plate continuous press 42, through fieldbus PROFIBUS DP slave station 43 connected in series, operation host computer 44 and central processor CPU 45; Wherein, Said blank thickness control device 41; In Fig. 4 b, indicate, and combine Fig. 4 a to describe, said device comprises:
Leading frame 411, adjacent some of this leading frame 411 from frame, said leading frame is provided with two above Position Control sensors, measures the different section thickness of hot slab respectively;
Cold drawing base calibrator 412 is arranged at the plate of plate continuous press exit, and the related Position Control sensor of probe difference of said cold drawing base calibrator is with test cold drawing base thickness;
Intervention amount computing module 413 is used for the hot slab target thickness of the intervention amount that obtains through calculating cold drawing base thickness and cold drawing base target thickness deviation as the said leading frame of feedback modification;
It should be explicitly made clear at this point: said intervention amount computing module 413 can embed among the CPU, also can integrate with said control device in;
The corresponding hydraulic jack 414 of Position Control sensor difference with each section; Detect the hot slab actual (real) thickness of different sections through said Position Control sensor; And with reference to said hot slab target thickness the hot slab of this section is pressurizeed or reduces pressure, to be directed against the control of said hot slab consistent with dominating frame in said pressure control from frame;
The magnetic valve of said hydraulic jack is connected to the output module of said DP slave station 43, and the pressure sensor of said hydraulic jack is connected to the analog quantity input module of said DP slave station 43, and through said PROFIBUS universal serial bus and said CPU45 communication;
Said operation host computer 44 is monitoring said hydraulic jack pressure, DP slave station status information and Position Control sensor thickness of slab data in real time.
As preferably, said system also comprises programmable logic controller (PLC) PLC switch board, and said CPU is installed in the said PLC switch board, and said CPU is a S400 series; And Ethernet card is selected CP443 series for use, and is installed in the said PLC switch board.
Also indicated prescription interface, historical data and trend interface among the figure, be connected to Ethernet card, realized the data communication between PC and the PLC through netting twine; Said historical data and trend interface are used to write down the setting value of pressure and thickness, and the real data of pressure and thickness is then through trend interface display and subsequent analysis; Said prescription interface is used for the design of pressure to pressurizing valve and pressure-reducing valve, and, to the setting and the preservation of displacement transducer.
This system is corresponding respectively with said method and device, and said device and bus, CPU are integrated, and implements the control of monitoring thickness and pressure, reaches slab and accurately orders thick technique effect.
In sum:
The embodiment of the invention is selected a leading frame and some from frame; Said leading frame serves as the control target with the location parameter of a plurality of Position Control sensors of installation; Hot slab intervention amount in conjunction with obtaining through calculating cold drawing base thickness and cold drawing base target thickness confirms that hot slab adds the hot slab target thickness value in man-hour; Hot slab carries out pressure control to reach the thick standard of ordering of technological requirement; The pressure control mode of leading frame is then followed in said pressure control on the frame, has realized that slab is accurately fixed thick, and has overcome on the prior art mid frame and influence the fixed thick shortcoming of slab through two other position thickness of displacement transducer location parameters estimation slab.
In addition, embodiments of the invention be owing to can order thick operation more exactly, and have saved the sanding operation, have cut down cost and have improved productivity ratio.
Each embodiment adopts the mode of going forward one by one to describe in this specification, and what each embodiment stressed all is and the difference of other embodiment that identical similar part is mutually referring to getting final product between each embodiment.For the disclosed device of embodiment, because it is corresponding with the embodiment disclosed method, so description is fairly simple, relevant part is partly explained referring to method and is got final product.
The professional can also further recognize; The unit and the algorithm steps of each example of describing in conjunction with embodiment disclosed herein; Can realize with electronic hardware, computer software or the combination of the two; For the interchangeability of hardware and software clearly is described, the composition and the step of each example described prevailingly according to function in above-mentioned explanation.These functions still are that software mode is carried out with hardware actually, depend on the application-specific and the design constraint of technical scheme.The professional and technical personnel can use distinct methods to realize described function to each certain applications, but this realization should not thought and exceeds scope of the present invention.
The method of describing in conjunction with embodiment disclosed herein or the step of algorithm can be directly with the software modules of hardware, processor execution, and perhaps the combination of the two is implemented.Software module can place the storage medium of any other form known in random access memory (RAM), internal memory, read-only storage (ROM), electrically programmable ROM, electrically erasable ROM, register, hard disk, moveable magnetic disc, CD-ROM or the technical field.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the present invention.Multiple modification to these embodiment will be conspicuous concerning those skilled in the art, and defined General Principle can realize under the situation that does not break away from the spirit or scope of the present invention in other embodiments among this paper.Therefore, the present invention will can not be restricted to these embodiment shown in this paper, but will meet and principle disclosed herein and features of novelty the wideest corresponding to scope.
Claims (10)
1. a slab thickness control method is characterized in that, comprising:
On leading frame, two above Position Control sensors are set, measure the different section thickness of hot slab respectively, with the adjacent frame in the said leading frame left and right sides be from frame;
To revise the hot slab target thickness of said leading frame through calculating intervention amount that cold drawing base thickness and cold drawing base target thickness deviation obtain as feedback;
Detect the hot slab actual (real) thickness of different sections through said Position Control sensor; And with reference to said hot slab target thickness the hot slab of this section is pressurizeed or reduces pressure, to be directed against the control of said hot slab consistent with dominating frame in said pressure control from frame.
2. method according to claim 1; It is characterized in that; Saidly on leading frame, two above Position Control sensors are set; Measuring the different section thickness of hot slab respectively is specially: at position, leading frame hot slab machining area left, center, right three displacement transducers are set, respectively the hot slab thickness of independent measurement relevant position.
3. method according to claim 1 is characterized in that, said will be through calculating intervention amount that cold drawing base thickness and cold drawing base target thickness deviation obtain as feedback, the hot slab target thickness of revising said leading frame is specially:
Calculate the difference of said cold drawing base correspondence position actual (real) thickness and cold drawing base target thickness, and calculate the intervention amount as feedback, revise the hot slab target thickness of said leading frame through pi controller PI.
4. method according to claim 1 is characterized in that, detects the hot slab actual (real) thickness of different sections through said Position Control sensor, and with reference to said hot slab target thickness the hot slab of this section being pressurizeed or reduces pressure is specially:
The said hot slab actual (real) thickness that records when certain section Position Control sensor is during greater than said hot slab target thickness; The hydraulic jack pressurizing valve work that this position of leading frame is corresponding, and also pressurize simultaneously from the pressurizing valve of the hydraulic control system of frame is related with the pressurizing valve of said leading frame;
The said hot slab actual (real) thickness that records when certain section Position Control sensor is during less than said hot slab target thickness; The hydraulic jack pressure-reducing valve work that this position of leading frame is corresponding, and also reduce pressure simultaneously from the pressure-reducing valve of the hydraulic control system of frame is related with the pressure-reducing valve of said leading frame.
5. blank thickness control device; It is characterized in that; Comprise: leading frame, adjacent some of this leading frame from frame, said leading frame is provided with two above Position Control sensors; Measure the different section thickness of hot slab respectively, with the adjacent frame in the said leading frame left and right sides be from frame;
Cold drawing base calibrator is arranged at the plate of plate continuous press exit, and the related Position Control sensor of probe difference of said cold drawing base calibrator is with test cold drawing base thickness;
Intervention amount computing module is used for the hot slab target thickness of the intervention amount that obtains through calculating cold drawing base thickness and cold drawing base target thickness deviation as the said leading frame of feedback modification;
The corresponding hydraulic jack of Position Control sensor difference with each section; Detect the hot slab actual (real) thickness of different sections through said Position Control sensor; And with reference to said hot slab target thickness the hot slab of this section is pressurizeed or reduces pressure, to be directed against the control of said hot slab consistent with dominating frame in said pressure control from frame.
6. device according to claim 5 is characterized in that, said Position Control sensor is specially displacement transducer.
7. device according to claim 5 is characterized in that, said cold drawing base calibrator is arranged at 10m place, plate of plate continuous press outlet back.
8. a slab thickness is controlled system; It is characterized in that; Comprise: blank thickness control device, plate of plate continuous press, through fieldbus PROFIBUS DP slave station connected in series, operation host computer and central processor CPU, wherein, said blank thickness control device comprises:
Leading frame, adjacent some of this leading frame from frame, said leading frame is provided with two above Position Control sensors, measures the different section thickness of hot slab respectively;
Cold drawing base calibrator is arranged at the plate of plate continuous press exit, and the related Position Control sensor of probe difference of said cold drawing base calibrator is with test cold drawing base thickness;
Intervention amount computing module is used for the hot slab target thickness of the intervention amount that obtains through calculating cold drawing base thickness and cold drawing base target thickness deviation as the said leading frame of feedback modification;
The corresponding hydraulic jack of Position Control sensor difference with each section; Detect the hot slab actual (real) thickness of different sections through said Position Control sensor; And with reference to said hot slab target thickness the hot slab of this section is pressurizeed or reduces pressure, to be directed against the control of said hot slab consistent with dominating frame in said pressure control from frame;
The magnetic valve of said hydraulic jack is connected to the output module of said DP slave station, and the pressure sensor of said hydraulic jack is connected to the analog quantity input module of said DP slave station, and through said PROFIBUS universal serial bus and said CPU communication;
Said operation host computer is monitoring said hydraulic jack pressure, DP slave station status information and Position Control sensor thickness of slab data in real time.
9. system according to claim 8 is characterized in that, also comprises programmable logic controller (PLC) PLC switch board, and said CPU is installed in the said PLC switch board, and said CPU is a S400 series.
10. system according to claim 8 is characterized in that, also comprises Ethernet card, is CP443 series, and is installed in the said PLC switch board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110063550.4A CN102672999B (en) | 2011-03-16 | 2011-03-16 | A kind of slab thickness control method, device and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110063550.4A CN102672999B (en) | 2011-03-16 | 2011-03-16 | A kind of slab thickness control method, device and system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102672999A true CN102672999A (en) | 2012-09-19 |
| CN102672999B CN102672999B (en) | 2016-01-27 |
Family
ID=46805864
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110063550.4A Expired - Fee Related CN102672999B (en) | 2011-03-16 | 2011-03-16 | A kind of slab thickness control method, device and system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102672999B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103009456A (en) * | 2013-01-06 | 2013-04-03 | 东北林业大学 | Device and method for hierarchical coordination control on continuous flat pressing thickness of medium density fiberboard |
| CN103090783A (en) * | 2013-01-16 | 2013-05-08 | 河南科技大学 | Diameter measurement device for plant stalk |
| CN108943321A (en) * | 2017-05-18 | 2018-12-07 | 辛北尔康普机器及成套设备有限责任公司 | Method for squeezing pressed material pad |
| CN111429952A (en) * | 2020-03-26 | 2020-07-17 | 梅州晶铠科技有限公司 | Method for determining number of optical discs |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN88100750A (en) * | 1988-02-23 | 1988-08-03 | 冶金工业部钢铁研究总院 | Thickness gauge type thickness setting and measuring method |
| US5797288A (en) * | 1995-11-25 | 1998-08-25 | Alcatel Alsthom Compagnie Generale D'electricite | Apparatus for operating a multiple-stand mill train |
| CN101116874A (en) * | 2007-06-15 | 2008-02-06 | 中国第一重型机械集团公司 | Reversible cold rolling mill flow quantity AGC band thickness control method |
| CN101314166A (en) * | 2008-04-13 | 2008-12-03 | 无锡环胜金属制品有限公司 | Automatic thickness control system for roller mill |
| WO2010049280A2 (en) * | 2008-10-30 | 2010-05-06 | Siemens Aktiengesellschaft | Method for adjusting a discharge thickness of rolling stock that passes through a multi-stand mill train, control and/or regulation device and rolling mill |
| CN202130020U (en) * | 2011-03-16 | 2012-02-01 | 上海板机电气制造有限公司 | Slab thickness control device and system |
-
2011
- 2011-03-16 CN CN201110063550.4A patent/CN102672999B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN88100750A (en) * | 1988-02-23 | 1988-08-03 | 冶金工业部钢铁研究总院 | Thickness gauge type thickness setting and measuring method |
| US5797288A (en) * | 1995-11-25 | 1998-08-25 | Alcatel Alsthom Compagnie Generale D'electricite | Apparatus for operating a multiple-stand mill train |
| CN101116874A (en) * | 2007-06-15 | 2008-02-06 | 中国第一重型机械集团公司 | Reversible cold rolling mill flow quantity AGC band thickness control method |
| CN101314166A (en) * | 2008-04-13 | 2008-12-03 | 无锡环胜金属制品有限公司 | Automatic thickness control system for roller mill |
| WO2010049280A2 (en) * | 2008-10-30 | 2010-05-06 | Siemens Aktiengesellschaft | Method for adjusting a discharge thickness of rolling stock that passes through a multi-stand mill train, control and/or regulation device and rolling mill |
| CN202130020U (en) * | 2011-03-16 | 2012-02-01 | 上海板机电气制造有限公司 | Slab thickness control device and system |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103009456A (en) * | 2013-01-06 | 2013-04-03 | 东北林业大学 | Device and method for hierarchical coordination control on continuous flat pressing thickness of medium density fiberboard |
| CN103009456B (en) * | 2013-01-06 | 2014-07-30 | 东北林业大学 | Device and method for hierarchical coordination control on continuous flat pressing thickness of medium density fiberboard |
| CN103090783A (en) * | 2013-01-16 | 2013-05-08 | 河南科技大学 | Diameter measurement device for plant stalk |
| CN103090783B (en) * | 2013-01-16 | 2016-02-03 | 河南科技大学 | A kind of diameter measuring device for plant haulm |
| CN108943321A (en) * | 2017-05-18 | 2018-12-07 | 辛北尔康普机器及成套设备有限责任公司 | Method for squeezing pressed material pad |
| CN108943321B (en) * | 2017-05-18 | 2021-05-25 | 辛北尔康普机器及成套设备有限责任公司 | Method for pressing a mat of material |
| CN111429952A (en) * | 2020-03-26 | 2020-07-17 | 梅州晶铠科技有限公司 | Method for determining number of optical discs |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102672999B (en) | 2016-01-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US11000982B2 (en) | Methods of setting a shaping machine | |
| CN102672999A (en) | Method, device and system for controlling thickness of plate blank | |
| EP3278032B1 (en) | Method and system for determining characteristic parameters of a hydraulic network | |
| CN107657129B (en) | Thin-wall part residual stress deformation perception prediction method based on clamping force monitoring | |
| EP2642358A2 (en) | Process control system that controls an industrial process implemented in a plant | |
| JP2004533049A5 (en) | ||
| US11966209B2 (en) | Simulator, numerical control device, and simulation method | |
| WO2009075152A1 (en) | Selection device and ordering device for motor controller, selection method and ordering method for motor controller, computer program having selection function and ordering fuction, and recording medium therefor | |
| EP2588924A1 (en) | Tracking simulation method | |
| CN102754040B (en) | For regulating the method for injection moulding process | |
| CN113297761A (en) | Thermal deformation test compensation method for numerical control machine tool | |
| CN117413147A (en) | Dynamic prediction control method, device and system for precise air conditioner | |
| CN202130020U (en) | Slab thickness control device and system | |
| EP3520987A1 (en) | Method for monitoring and control of the injection process of plastic materials | |
| CN114741999B (en) | Digital twinning technology-based lead bonding online monitoring method | |
| JP6385914B2 (en) | Quality monitoring system and quality monitoring method | |
| CN105492133A (en) | Plate thickness controller for rolling machine | |
| CN108356603A (en) | Five-axle number control machine tool main shaft method for thermal deformation error compensation and system | |
| JP4626650B2 (en) | Model structure parameter determination method, parameter determination device, control device, and temperature controller | |
| CN102467113A (en) | Controller of mechanical device with parameter learning and parameter learning method thereof | |
| CN116595732A (en) | Method and device for constructing digital twin model of equipment and monitoring internal temperature of equipment | |
| CN108548611A (en) | Multichannel temperature method for inspecting and logging for environmental test chamber detection | |
| CN1946048A (en) | Method for controlling the access times to a system bus and communication module | |
| TWI771757B (en) | Precision predictive and correction system of tool machine | |
| CN108803556A (en) | Calibrating operation auxiliary device, calibrating operation householder method and recording medium |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160127 Termination date: 20170316 |