CN104841723A - Method for controlling opening and closing of side guide plate of hot rolling strip steel reeling machine - Google Patents
Method for controlling opening and closing of side guide plate of hot rolling strip steel reeling machine Download PDFInfo
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- CN104841723A CN104841723A CN201510218495.XA CN201510218495A CN104841723A CN 104841723 A CN104841723 A CN 104841723A CN 201510218495 A CN201510218495 A CN 201510218495A CN 104841723 A CN104841723 A CN 104841723A
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Abstract
The invention provides a method for controlling opening and closing of a side guide plate of a hot rolling strip steel reeling machine. A new detection element does not need to be added under the condition that the original hardware configuration of the reeling machine is maintained, the incoming material deflection position, a deviation value, the deflection length of the strip steel head are judged through the existing straightness detector to implement the intelligent control function of automatic rapid opening, automatic input on rapid opening compensation, automatic closing and pressure ring input of the reeling side guide plate, and accordingly the equipment investment cost is saved, the effective control of the reeling side guide plate on the instable plat type of the strip steel head is implemented, and the favorable conditions are created for reduction on piled steel reeling, improvement on the reeling shape quality and reduction on the labor intensity.
Description
Technical field
The present invention relates to coiling machine technical field, particularly relate to a kind of method controlling the folding of hot-strip reels flipper guide.
Background technology
The flipper guide opening degree of hot-strip reels adopts the automatic setting value of model, the parameter of main setting comprises: strip steel head deflected position, head deflection and head deflection length, traditional flipper guide opening degree is traditionally arranged to be the wide fixed value sum with setting of band steel heat, rolling centerline is departed from more if there is strip steel head, need manually control flipper guide opening degree to correct, but, easily occur because of more the caused heap steel phenomenon of supplied materials head deflection by the method for above-mentioned manual setting flipper guide, and flipper guide closes the scroll difference phenomenon occurred not in time.
Summary of the invention
The object of the invention is to, during in order to solve the switch adopting Non-follow control hot-strip reels flipper guide, there is the technical problem of heap steel or scroll difference phenomenon, under the prerequisite not increasing any detecting element, provide a kind of method controlling the folding of hot-strip reels flipper guide.Technical characterstic of the present invention issues program block by Flatness Tester detection zone steel head deviate, and realize the intelligent folding controlling functions of hot-strip reels flipper guide by the variable set in program module.
For achieving the above object, the invention provides a kind of method controlling the folding of hot-strip reels flipper guide, comprising:
Step 1) utilize Flatness Tester detection zone steel head value of setting foot-point to judge band steel actual rolling centerline and the deviate setting rolling centerline;
Step 2) complete after to strip steel head detection at Flatness Tester, the flipper guide opening threshold value preset by module in CFC and strip steel head deviate are compared, and set the corresponding flipper guide opening degree of this band steel;
Step 3) after the leg portion of strip steel head enters coiling clamp roller completely, flipper guide closed to the band hot width values of steel and drop into pressure rings;
Step 4) after band coil of strip is complete, the opening degree of flipper guide is returned to initial set value.
As the further improvement of technique scheme, described side guide plate of recoiling machine adopts hydraulic cylinder and pinion and rack to coordinate to have come folding function.
As the further improvement of technique scheme, described flipper guide opening threshold value is set as:
When the alignment deviation numerical value α of Real-Time Monitoring is shown as inclined WS side, and deviation range is respectively at 0mm < α≤50mm, between 50mm < α≤100mm, 100mm < α≤200mm and α > 200mm, then perform flipper guide opening degree and be respectively 80mm, 120mm, 150mm and 180mm;
When the alignment deviation numerical value α of Real-Time Monitoring is shown as inclined DS side, and deviation range is respectively at 0mm < α≤50mm, between 50mm < α≤100mm, 100mm < α≤200mm and α > 200mm, then perform flipper guide opening degree and be respectively 100mm, 150mm, 180mm and 200mm.
As the further improvement of technique scheme, described step 3) in whether enter coiling clamp roller completely by the leg portion of Flatness Tester detection zone steel head, and utilize the automatic closing module of plate rolling side guide arranged to perform flipper guide automatic closing function.
A kind of method advantage controlling the folding of hot-strip reels flipper guide of the present invention is:
The present invention batches on the basis of original hardware configuration in maintenance, without the need to adding new detecting element, judge that strip steel head supplied materials deflected position, deviate, deflection length realize plate rolling side guide and automatically opens soon, automatically drops into and open compensation soon, automatically close and drop into the intelligentized control method function of pressure rings by existing Flatness Tester.Namely saving equipment investment cost, achieve again effective control that plate rolling side guide carries out strip steel head template instability, creating advantage for reducing to batch heap steel phenomenon, promote scroll quality and reduce labour intensity.
Accompanying drawing explanation
Fig. 1 is the structural representation of the side guide plate of recoiling machine in the present invention.
Fig. 2 is a kind of method operational flowchart controlling the folding of hot-strip reels flipper guide of the present invention.
Reference numeral
1, pinch roll 2, flipper guide 3, coiling machine
4, steel is with
Detailed description of the invention
Below in conjunction with drawings and Examples, a kind of method controlling the folding of hot-strip reels flipper guide of the present invention is described in detail.
As Fig. 1 shows the structure of the side guide plate of recoiling machine in the present invention, band steel 4 head enter from the flipper guide 2 of coiling machine 3 front end, and under the rolling of pinch roll 1 realize band steel 4 batch function.
As shown in Figure 2, be a kind of method flow diagram controlling the folding of hot-strip reels flipper guide of the present invention.The method comprises the following steps:
Step 1) utilize the feature that Flatness Tester accuracy of detection is high, the deviate of set foot-point by Flatness Tester laser detection strip steel head the value judgement actual rolling centerline of band steel and setting rolling centerline.
Step 2) by CFC, (CFC full name is continuous function chart, Chinese is translated into continuous control figure, its meaning is the editing machine of graphic based user interface, it passes through to the block designated parameter editted in advance or connects, thus realize creating CPU program structure) in the flipper guide opening threshold value preset of module compare with strip steel head deviate, set this and be with the corresponding flipper guide opening degree of steel.
Step 3) after the leg portion of strip steel head enters coiling clamp roller completely, flipper guide closed to the band hot width values of steel and drop into pressure rings, judging the opportunity that flipper guide is closed and flipper guide pressure rings timing input by deviation length.Described deviation length just refer to Flatness Tester examine strip steel head deviate from having to without this segment distance; Flatness Tester accuracy of detection is about 10ms and surveys a point, each point represents band steel actual center line and the deviation setting rolling centerline, deviation produces deviation and eliminates this segment distance and can be monitored by Flatness Tester and CFC and be converted out, and this segment distance is exactly the deviation length of strip steel head.When the leg portion of strip steel head enters pinch roll, CFC can send flipper guide out code automatically, and now flipper guide can be closed to the hot width values of band steel, and the described hot width values of band steel is the width value of band steel in high-temperature region, because metal can produce expansion in the condition of high temperature.In addition, we with the addition of time delay in CFC, after out code+time delay all possesses, send pressure rings control instruction by CFC, and now flipper guide can drop into pressure closed loop control.Described pressure rings full name is that pressure closed loop controls, and namely refer to that flipper guide has individual pressure setting in controlling, pressure closed loop is exactly that flipper guide feedback pressure follows this pressure setting all the time.
Step 4) after band coil of strip is complete, the opening degree of flipper guide is returned to initial set value.Method of the present invention, in specific implementation process, by flipper guide intelligent folding setting module and the dialog box be arranged on monitored picture and action button, by manually operating, realizes the function that flipper guide intelligent folding controls; The complete rear side guide plate of band coil of strip can return to initial set value.Like this, the effect of being with steel opening degree to compensate automatically is judged by the real-time detection of Flatness Tester to strip steel head.Simultaneously, can (full name be translated into Windows ControlCenter at WINCC, Chinese is meant to form control centre, is the human interface components of Siemens control system) " flipper guide intelligent folding function inputs " is set in picture puts button, realize the switching of automatic and manual operation function.Wherein, side guide plate of recoiling machine opens and closes and hydraulic cylinder and pinion and rack can be relied on.
In the present embodiment, strip steel head is by after Flatness Tester, the deviation of the actual belt steel rolling center line that Flatness Tester detects and default rolling centerline is as flipper guide opening basis of design, when deviation is more than 50mm, flipper guide opening degree directly can be adjusted to flipper guide bias compensation value+fixed amount, and the action moment that flipper guide opens and closes can perform according to setting in module.
| Alignment deviation (mm) | 0＜α≤50 | 50＜α≤100 | 100＜α≤200 | α＞200 |
| Offer soon and determine SG_WS (mm) | 80.00 | 120.00 | 150.00 | 180.00 |
| Open SG_DS (mm) soon | 100.00 | 150.00 | 180.00 | 200.00 |
Above table is the human-computer exchange chart in WINCC, alignment deviation shown in table can manually set, and assignment is to CFC, utilize the deviation of the rolling centerline of Flatness Tester Real-Time Monitoring rolled band steel and default rolling centerline and be with the glacing flatness situation of steel, judge the deflected position of strip steel head and make a record.Described strip steel head deflected position refers to that Flatness Tester is examined strip steel head is inclined transmission side or inclined active side.
As Real-Time Monitoring scope in selected strip steel head 20 meters of regions, show inclined DS side when the alignment deviation numerical value of Real-Time Monitoring is positive number, show inclined WS side when alignment deviation numerical value is negative value.Described DS side refers to transmission side, and its English full name is drive side; Described WS side refers to active side, and its English full name is work side.Such as: when having served as steel, alignment deviation numerical value when being 60mm is examined to obtain in strip steel head 20 meters of regions displays, and just represent the inclined DS side of strip steel head, because its scope is between 50-100mm, the opening degree now setting flipper guide is that supplied materials width+150mm carries out pendulum position.
As shown in Figure 1, flipper guide is closed and whether the opportunity of throwing pressure rings is examined have band steel to pass through by program setting thermometal detector 602 heat, when band steel can be shown by during thermometal detector 602, now pressure rings throws in opportunity is constant time lag+setting compensation 100ms.Utilize thermometal detector accurately to examine strip steel head arrive and tail part of band steel pass through, constant time lag is exactly in a controll block, add compensation rate in CFC program, can setting compensation amount be distance measurements 3000mm, setting compensation is that present offset carrys out assignment to CFC by simple time delays by artificial setting compensation value in WINCC.When thermometal detector 602 examine strip steel head arrive and head by 3000mm again time delay 100ms after, at this moment the instruction assignment in CFC block is 1, output is 1, the instruction of now throwing pressure rings can issue control system, now flipper guide will throw pressure rings, guarantees that strip steel head is passed through smoothly and effectively ensures band coil of strip shape.
Embodiment 1
Band steel supplied materials width is 1250mm, and thickness is 3.0mm, utilizes Flatness Tester detection zone steel head center line maximum deviation at 130mm by north.When strip steel head is by after Flatness Tester, if operator does not have timely opening side guide plate, this steel easily occurs that after arrival flipper guide head hits flipper guide and produces heap steel phenomenon.If manual fore side guide plate is opened soon after operator's Timeliness coverage, now flipper guide opening degree is set as that 1250mm+150mm (fixed amount) is 1400mm, now flipper guide strip steel head can pass through flipper guide smoothly, but now operative employee does not have timely receding side guide plate to open function soon or more late exiting opens function soon, and strip steel head scroll can not get effective guarantee.
When Flatness Tester record strip steel head rolling centerline deviation be greater than 100mm time, and maximum deviation is when 130mm, after utilizing the alignment deviation scope shown in above-mentioned table to compare, according to method of the present invention now side guide plate of recoiling machine opening degree be set as 1250mm+150mm.
Embodiment 2
Band steel supplied materials width is 1250mm, and thickness is 3.0mm, and Flatness Tester detection zone steel head center line maximum deviation is at 60mm by north.
When strip steel head is by after Flatness Tester, if operative employee does not have timely opening side guide plate, this steel easily occurs that after arrival flipper guide head hits flipper guide and produces heap steel phenomenon.If manual fore side guide plate is opened soon after operative employee's Timeliness coverage, now flipper guide opening degree is set as that 1250mm+150mm (fixed amount) is 1400mm, now flipper guide strip steel head can pass through flipper guide smoothly, but because the meeting bigger than normal of flipper guide opening degree causes roll coil of strip head turriform larger, and now operative employee does not have timely receding side guide plate to open soon or more late exiting is opened soon, strip steel head scroll can not get effective guarantee.
When Flatness Tester record strip steel head rolling centerline deviation be greater than 50mm time, after utilizing the alignment deviation scope shown in above-mentioned table to compare, according to method of the present invention now side guide plate of recoiling machine opening degree be set as 1250mm+120mm.Thus efficiently avoid due to the larger problem of flipper guide opening degree bigger than normal caused roll coil of strip head turriform.
It should be noted last that, above embodiment is only in order to illustrate technical scheme of the present invention and unrestricted.Although with reference to embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that, modify to technical scheme of the present invention or equivalent replacement, do not depart from the spirit and scope of technical solution of the present invention, it all should be encompassed in the middle of right of the present invention.
Claims (4)
1. control a method for hot-strip reels flipper guide folding, it is characterized in that, comprising:
Step 1) utilize Flatness Tester detection zone steel head value of setting foot-point to judge band steel actual rolling centerline and the deviate setting rolling centerline;
Step 2) complete after to strip steel head detection at Flatness Tester, the flipper guide opening threshold value preset by module in CFC and strip steel head deviate are compared, and set the corresponding flipper guide opening degree of this band steel;
Step 3) after the leg portion of strip steel head enters coiling clamp roller completely, flipper guide closed to the band hot width values of steel and drop into pressure rings;
Step 4) after band coil of strip is complete, the opening degree of flipper guide is returned to initial set value.
2. the method for control hot-strip reels flipper guide according to claim 1 folding, is characterized in that, described side guide plate of recoiling machine adopts hydraulic cylinder and pinion and rack to coordinate to have come folding function.
3. the method for control hot-strip reels flipper guide according to claim 1 folding, is characterized in that, described flipper guide opening threshold value is set as:
When the alignment deviation numerical value α of Real-Time Monitoring is shown as inclined WS side, and deviation range is respectively at 0mm < α≤50mm, between 50mm < α≤100mm, 100mm < α≤200mm and α > 200mm, then perform flipper guide opening degree and be respectively 80mm, 120mm, 150mm and 180mm;
When the alignment deviation numerical value α of Real-Time Monitoring is shown as inclined DS side, and deviation range is respectively at 0mm < α≤50mm, between 50mm < α≤100mm, 100mm < α≤200mm and α > 200mm, then perform flipper guide opening degree and be respectively 100mm, 150mm, 180mm and 200mm.
4. the method for control hot-strip reels flipper guide according to claim 1 folding, it is characterized in that, described step 3) in whether enter coiling clamp roller completely by the leg portion of Flatness Tester detection zone steel head, and utilize the automatic closing module of plate rolling side guide arranged to perform flipper guide automatic closing function.
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| CN201510218495.XA CN104841723B (en) | 2015-04-30 | 2015-04-30 | Method for controlling opening and closing of side guide plate of hot rolling strip steel reeling machine |
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| CN201510218495.XA CN104841723B (en) | 2015-04-30 | 2015-04-30 | Method for controlling opening and closing of side guide plate of hot rolling strip steel reeling machine |
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| CN104841723B CN104841723B (en) | 2017-01-18 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107433285A (en) * | 2016-05-27 | 2017-12-05 | 宝山钢铁股份有限公司 | A kind of finish rolling outlet heads skew causes the control method for batching steel scrap |
| CN112845611A (en) * | 2021-01-05 | 2021-05-28 | 武汉钢铁有限公司 | Hot-rolled large-wall-thickness high-steel-grade pipeline steel coil shape control method |
| CN113020268A (en) * | 2021-03-08 | 2021-06-25 | 莱芜钢铁集团银山型钢有限公司 | Coiler, side guide control method and method for dynamically controlling clamping time |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107433285A (en) * | 2016-05-27 | 2017-12-05 | 宝山钢铁股份有限公司 | A kind of finish rolling outlet heads skew causes the control method for batching steel scrap |
| CN112845611A (en) * | 2021-01-05 | 2021-05-28 | 武汉钢铁有限公司 | Hot-rolled large-wall-thickness high-steel-grade pipeline steel coil shape control method |
| CN112845611B (en) * | 2021-01-05 | 2022-08-26 | 武汉钢铁有限公司 | Hot-rolled large-wall-thickness high-steel-grade pipeline steel coil shape control method |
| CN113020268A (en) * | 2021-03-08 | 2021-06-25 | 莱芜钢铁集团银山型钢有限公司 | Coiler, side guide control method and method for dynamically controlling clamping time |
| CN113020268B (en) * | 2021-03-08 | 2023-01-17 | 莱芜钢铁集团银山型钢有限公司 | Coiler, side guide control method and method for dynamically controlling clamping time |
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