CN109127733A - Side guide plate of recoiling machine method for correcting error - Google Patents
Side guide plate of recoiling machine method for correcting error Download PDFInfo
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- CN109127733A CN109127733A CN201710509829.8A CN201710509829A CN109127733A CN 109127733 A CN109127733 A CN 109127733A CN 201710509829 A CN201710509829 A CN 201710509829A CN 109127733 A CN109127733 A CN 109127733A
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- 238000000034 method Methods 0.000 title claims abstract description 22
- 241000277275 Oncorhynchus mykiss Species 0.000 claims abstract description 50
- 230000005540 biological transmission Effects 0.000 claims description 11
- 238000004886 process control Methods 0.000 claims description 4
- 240000007594 Oryza sativa Species 0.000 claims 1
- 235000007164 Oryza sativa Nutrition 0.000 claims 1
- 235000009566 rice Nutrition 0.000 claims 1
- 229910000831 Steel Inorganic materials 0.000 abstract description 16
- 239000010959 steel Substances 0.000 abstract description 16
- 238000005096 rolling process Methods 0.000 description 6
- 230000008901 benefit Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 238000005098 hot rolling Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B15/00—Arrangements for performing additional metal-working operations specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B15/00—Arrangements for performing additional metal-working operations specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B2015/0057—Coiling the rolled product
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Winding, Rewinding, Material Storage Devices (AREA)
Abstract
The present invention relates to a kind of side guide plate of recoiling machine method for correcting error, the technical solution real time correction strip steel head camber is convenient for can smoothly enter into 2# coiling machine, laminar flow outlet strip steel head camber is judged by computer system, and 1# flipper guide actuating quantity is calculated in real time according to camber offset, the unilateral correction of 1# flipper guide is carried out, avoids being obstructed steel scrap when strip steel head camber in 2# flipper guide entrance.
Description
Technical field
The present invention relates to a kind of method for correcting error, and in particular to a kind of side guide plate of recoiling machine method for correcting error belongs to hot rolling reeling
Machine technical field.
Background technique
Hot rolling technology process substantially has heating, roughing, finish rolling, the processes such as batches, as shown in Figure 1.First according to shove charge meter
It draws, heating furnace 1 will be packed into a thickness of 200~250mm slab and heated.The time inside furnace and target temperature that heating of plate blank is required to technique
It comes out of the stove after degree, is sent to roughing high-pressure water descaling case 2 and removes slab scale on surface.Roughing mill 3 is sent to by slab rolling
For the intermediate base with a thickness of 34~60mm, head irregularities is cut by flying shear 4, subsequently into finish rolling high-pressure water descaling case
5 remove made-up belt surface second iron scale again is sent into the finished strip that finishing mill 6 is rolled into 1.2~19mm thickness.Strip goes out
High temperature strip is cooled to after finish rolling by section cooling equipment 7 temperature of technique requirement, coiling machine 8 is finally entered and coils into conjunction
The coil of strip of lattice.
Due to belt steel temperature is uneven, equipment precision does not reach requirement, mill roll-gap does not level etc., strip steel head goes out F7
After will appear disalignment phenomenon.Flipper guide device is provided with before every coiling machine thus as shown in Fig. 2, for guiding band
Steel can smoothly enter into coiling machine.When 2# coiling machine coil, 1# flipper guide straightway 82 is with 2# flipper guide straightway 85 with identical
Presetting aperture W (wide short stroke Δ W of B+ of W=strip heat1 time+ secondary short stroke Δ W2 timesThe practical ultra-wide amount Δ B+L1 in+head
Surplus WL1+ L2 surplus WL2+ operative employee intervention amount Wg) carry out wait strip arrival, first strip steel head go out finishing mill last
Enter laminar flow zone after frame F7 to be guided by laminar flow backplate 71, enters 1# flipper guide oblique line section 81 later and guide centering again successively
Into 1# flipper guide straightway 82,1# pinch roller 83,2# flipper guide horn mouth 84,2# flipper guide straightway 85, finally pressed from both sides to 2#
Roller 86 is sent to enter 2# coiling machine.In order to make strip steel head can smoothly enter into coiling machine and avoid the tower-shaped defect of steel coil head, strip
Head tracking reaches 1# flipper guide straightway M1Meter Shi, 1# flipper guide carry out a short stroke movement aperture and reduce Δ W1 timeTo strip
Head carries out correction convenient for can smoothly enter into 2# flipper guide, when strip steel head enters 2# flipper guide straightway M2Meter Shi, 2# flipper guide
Also it carries out a short stroke movement aperture and reduces Δ W1 time, strip steel head is guided into 2# coiling machine.Due to 1# flipper guide and 2#
There is no flipper guide device between flipper guide, when strip steel head has heavier camber, strip steel head will after going out 1# flipper guide
Deviate a side impaction 2# flipper guide horn mouth, will result in when serious strip steel head be obstructed set steel scrap.For 1# flipper guide one
1# flipper guide aperture, which becomes smaller, after secondary short stroke movement has also more aggravated strip running deviation phenomenon as shown in figure 3,9 head of strip is biased to
Transmission side is serious, when strip steel head, which goes out 1# flipper guide parallel-segment 82, does not enter 2# flipper guide parallel-segment 85 also, since the side 1# is led
Plate has carried out a short stroke aperture and has been reduced to W- Δ W1 time, strip is by the extruding of flipper guide parallel-segment working side 822, and head is more
Add disalignment to transmission side.
When flipper guide short stroke has the disadvantage in that 2# machine coil at present, enters 1# flipper guide in strip and do not enter 2# also
When flipper guide, 1# flipper guide aperture need it is smaller than 2# flipper guide aperture enter 2# coiling machine convenient for strip steel head, but when band steel toe
Portion is there are when more serious camber, and this flipper guide short stroke movement will aggravate strip steel head and deviate rolling centerline, seriously
The strip that will result in be obstructed steel scrap.Therefore, a kind of new scheme of urgent need solves the technical problem.
Summary of the invention
The present invention exactly for the technical problems in the prior art, provides a kind of side guide plate of recoiling machine method for correcting error,
The technical solution real time correction strip steel head camber is convenient for can smoothly enter into 2# coiling machine.Laminar flow is exported by computer system
Strip steel head camber is judged, and is calculated in real time 1# flipper guide actuating quantity according to camber offset, and 1# is carried out
The unilateral correction of flipper guide avoids being obstructed steel scrap when strip steel head camber in 2# flipper guide entrance.
To achieve the goals above, technical scheme is as follows, a kind of side guide plate of recoiling machine method for correcting error, feature
It is, the method for correcting error is equipped with width gage the following steps are included: 1) batching entrance, when strip steel head enters 1# flipper guide
Before, 0~X meters of center offset maximum value Y of strip steel head that entrance width gage measures are batched, head width maximum value is measured
Bmax；
2) coiling machine entrance is equipped with pyrometer, and the strip steel head position for calculating computer tracking is modified；
3) process control computer sets the presetting aperture W1 in 1# flipper guide head, and 2# flipper guide head is presetting opens for setting
It spends W2 (usual W1=W2), if (Bmax/2+ ︱ Y ︱) × 2 < W1- Δ W11 time, then strip steel head reaches 1# flipper guide straightway M1Rice
When 1# flipper guide execute a normal short stroke and act Δ W11 time；(if Bmax/2+ ︱ Y ︱) × 2 >=W1- Δ W11 time, then with steel toe
Portion reaches 1# flipper guide straightway M1Meter Shi, 1# flipper guide execute unilateral deviation-correcting function, i.e., act Δ W1 in a short stroke1 time's
On the basis of, the unilateral opening of 1# flipper guide；
4) after starting unilateral deviation-correcting function, basic automatization computer is determined according to the direction of strip steel head off-centring
The unilateral direction of action of 1# flipper guide, as Y > 0,1# flipper guide is while executing 1 short stroke movement, the operation of 1# flipper guide
The unilateral opening Δ W of side flipper guidews=(Bmax/2+Y) × 2- (W1- Δ W11 time)+β, β is manually to give surplus；As Y < 0,
1# flipper guide is while executing 1 short stroke movement, the unilateral opening Δ Wds=(Bmax/ of 1# flipper guide transmission side flipper guide
2+Y)×2-(W1-ΔW11 time)+β, β is manually to give surplus；Unilateral opening function is not executed when Y=0；
5) computer tracking strip steel head position reaches 2# flipper guide straightway M2Meter Shi, 2# flipper guide start primary short row
Journey Δ W21 time, while unilateral opening Δ Wws or Δ the Wds zero of 1# flipper guide.
As an improvement of the present invention, the X=1# flipper guide length of straigh line L1+1# flipper guide end in the step 1)
Hold 2# flipper guide straightway front end distance L2.
As an improvement of the present invention, the judgement in the direction of strip steel head off-centring is as follows in the step 4): head
When portion's off-centring maximum value Y value is positive value, the inclined transmission side in head is indicated；When head center offset maximum value Y value is negative value, table
Show the inclined fore side in head.
Compared with the existing technology, the invention has the advantages that, which can substantially reduce because head camber is led
The phenomenon that causing 2# coiling machine to be obstructed into steel；2) projected economic benefit, the technical solution 1780 producing line of plum steel implement since due to
Strip steel head camber cause 2# coiling machine be obstructed steel scrap be monthly reduced to 1.5 by average before implementing it is average every after implementing
The moon 0.25, estimated about 140,000 yuan/month of the economic benefit of generation；3) social benefit, the technical solution reduce processing steel scrap frequency
It is secondary, to reduce personnel's exception operating risk, while also reducing labor intensity.
Detailed description of the invention
Fig. 1 production-line arrangement figure；
Fig. 2 strip steel head is straight to enter 2# flipper guide position view by 1# flipper guide；
Fig. 3 strip steel head, which has, enters 2# flipper guide position view by 1# flipper guide when camber；
Fig. 4 the technical program whole flow process figure.
Specific embodiment:
In order to deepen the understanding of the present invention, the present embodiment is described in detail with reference to the accompanying drawing.
Embodiment 1: referring to figures 1-4, a kind of side guide plate of recoiling machine method for correcting error, the method for correcting error includes following step
It is rapid: 1) to batch entrance and width gage is installed, before strip steel head enters 1# flipper guide, batch the band steel toe that entrance width gage measures
0~X of portion meters of center offset maximum value Y, measures head width maximum value Bmax；
2) coiling machine entrance is equipped with pyrometer, and the strip steel head position for calculating computer tracking is modified；
3) process control computer sets the presetting aperture W1 in 1# flipper guide head, and 2# flipper guide head is presetting opens for setting
It spends W2 (usual W1=W2), if (Bmax/2+ ︱ Y ︱) × 2 < W1- Δ W11 time, then strip steel head reaches 1# flipper guide straightway M1Rice
When 1# flipper guide execute a normal short stroke and act Δ W11 time；(if Bmax/2+ ︱ Y ︱) × 2 >=W1- Δ W11 time, then with steel toe
Portion reaches 1# flipper guide straightway M1Meter Shi, 1# flipper guide execute unilateral deviation-correcting function, i.e., act Δ W1 in a short stroke1 time's
On the basis of, the unilateral opening of 1# flipper guide；
4) after starting unilateral deviation-correcting function, basic automatization computer is determined according to the direction of strip steel head off-centring
The unilateral direction of action of 1# flipper guide, as Y > 0,1# flipper guide is while executing 1 short stroke movement, the operation of 1# flipper guide
The unilateral opening Δ W of side flipper guidews=(Bmax/2+Y) × 2- (W1- Δ W11 time)+β, β is manually to give surplus；As Y < 0,
1# flipper guide is while executing 1 short stroke movement, the unilateral opening Δ Wds=(Bmax/ of 1# flipper guide transmission side flipper guide
2+Y)×2-(W1-ΔW11 time)+β, β is manually to give surplus；Unilateral opening function is not executed when Y=0；
5) computer tracking strip steel head position reaches 2# flipper guide straightway M2Meter Shi, 2# flipper guide start primary short row
Journey Δ W21 time, while unilateral opening Δ Wws or Δ the Wds zero of 1# flipper guide.
Before the flipper guide length of straigh line L1+1# flipper guide end to 2# flipper guide straightway X=1# in the step 1)
Hold distance L2.The judgement in the direction of strip steel head off-centring is as follows in the step 4): head center offset maximum value Y value is
When positive value, the inclined transmission side in head is indicated；When head center offset maximum value Y value is negative value, the inclined fore side in head is indicated.
Application Example:
The present embodiment is applied to 1780 hot rolling coiler of plum steel, as shown in figure 4, a kind of side guide plate of recoiling machine correction side
Method, the method are as follows:
1. batching entrance width gage is mounted on laminar flow outlet 1# flipper guide entry position, 1780 coiling machines in the present embodiment
It batches entrance width gage and is mounted on the position 25086mm before 1# flipper guide straightway, coiling machine entrance pyrometer is mounted on the side 1# and leads
The position 20135mm before plate straightway；
2. 1780 coiling machine 1# flipper guide length of straigh line L1=7217mm, 1# flipper guide ends in the present embodiment are to 2#
Flipper guide straightway front end distance L2=2968mm；
3. the presetting aperture W1 (or W2) in 1# (or 2#) flipper guide head of process control computer setting is wide by strip heat
B, a short stroke Δ W1 time, secondary short stroke Δ W2 times, practical ultra-wide amount Δ B, L1 surplus W in headL1, L2 surplus WL2, operative employee
Intervention amount Wg is added composition, parameter described in a kind of side guide plate of recoiling machine deviation correcting technology of the present invention are as follows: strip heat width B=strip reason
By cold wide × (1,+11 ‰), a short stroke Δ W1 time=90mm, secondary short stroke Δ W2 times=20mm, the practical ultra-wide amount Δ B in head
The wide ultra-wide amount of heat that=finish rolling outlet width gage surveys out, L1 surplus WL1=15~35mm, L2 surplus WL2=5~10mm, behaviour
Workmanship's intervention amount Wg=0~20mm；
4. when strip steel head is by batching entrance width gage and measuring 0~10185mm of strip steel head when batching entrance width gage
(X=L1+L2=7217+2968=10185mm) center offset maximum value Y and head width maximum value Bmax is measured, it will
Data are transmitted to basic automatization computer；
5. basic automatization computer is according to strip steel head center offset maximum value Y and head width maximum value Bmax,
Pass through comparison " (Bmax/2+ ︱ Y ︱) " and " 2 < W1- Δ W11 time" two worth sizes, when (Bmax/2+ ︱ Y ︱) × 2 < W1- Δs
W11 time, then strip steel head reaches 1# flipper guide straightway M11# flipper guide executes a normal short stroke and acts Δ W1 when rice1 time；
As (Bmax/2+ ︱ Y ︱) × 2 >=W1- Δ W11 time, then strip steel head reaches 1# flipper guide straightway M1Meter Shi, 1# flipper guide execute list
Side deviation-correcting function acts Δ W1 in a short stroke1 timeOn the basis of, the unilateral opening of 1# flipper guide, 1780 in the present embodiment
1# flipper guide starts to execute a normal short stroke movement when coiling machine strip steel head reaches 133 meters of 1# flipper guide straightway；
6. specifically unilateral opening direction is decided by strip steel head deviation, 1780 coiling machines in the present embodiment to 1# flipper guide
Off-centring maximum value Y value is defined as positive value when basic automatization computer strip steel head is inclined transmission side, and strip steel head is inclined
Off-centring maximum value Y value is defined as negative value when transmission side.As Y > 0,1# flipper guide is executing the same of 1 short stroke movement
When, unilateral opening Δ Wws=(Bmax/2+Y) × 2- (the W1- Δ W1 of 1# flipper guide fore side flipper guide1 time)+β, β is manually to give
Determine surplus；As Y < 0, while executing 1 short stroke movement, 1# flipper guide transmission side flipper guide is unilateral to be beaten 1# flipper guide
Opening amount Δ Wds=(Bmax/2+Y) × 2- (W1- Δ W11 time)+β, β is manually to give surplus；Unilateral opening function is not executed when Y=0
Can, the 1780 coiling machine β value are 0~20mm；
7. computer tracking strip steel head position reaches 2# flipper guide straightway M2Meter Shi, 2# flipper guide start primary short row
Journey Δ W21 time, while the unilateral opening Δ Wws or Δ Wds of 1# flipper guide are zeroed, 1780 coiling machine M in the present embodiment2=
145 meters.
It should be noted that above-described embodiment, is not intended to limit the scope of protection of the present invention, in above-mentioned technical proposal
On the basis of made equivalents or substitution each fall within the range that the claims in the present invention are protected.
Claims (3)
1. a kind of side guide plate of recoiling machine method for correcting error, which is characterized in that 1) method for correcting error is the following steps are included: batch entrance
Width gage is installed, before strip steel head enters 1# flipper guide, batches 0~X meters of centers of strip steel head that entrance width gage measures
Offset maximum value Y measures head width maximum value Bmax；
2) coiling machine entrance is equipped with pyrometer, and the strip steel head position for calculating computer tracking is modified；
3) process control computer sets the presetting aperture W1 in 1# flipper guide head, sets the presetting aperture W2 in 2# flipper guide head
(usual W1=W2), if (Bmax/2+ ︱ Y ︱) × 2 < W1- Δ W11 time, then strip steel head reaches 1# flipper guide straightway M11# when rice
Flipper guide executes a normal short stroke and acts Δ W11 time；(if Bmax/2+ ︱ Y ︱) × 2 >=W1- Δ W11 time, then strip steel head arrives
Up to 1# flipper guide straightway M1Meter Shi, 1# flipper guide execute unilateral deviation-correcting function, i.e., act Δ W1 in a short stroke1 timeBasis
On, the unilateral opening of 1# flipper guide；
4) after starting unilateral deviation-correcting function, basic automatization computer determines the side 1# according to the direction of strip steel head off-centring
The unilateral direction of action of guide plate, as Y > 0,1# flipper guide is while executing 1 short stroke movement, 1# flipper guide fore side side
The unilateral opening Δ W of guide platews=(Bmax/2+Y) × 2- (W1- Δ W11 time)+β, β is manually to give surplus；As Y < 0, the side 1#
Guide plate is while executing 1 short stroke movement, the unilateral opening Δ Wds=(Bmax/2+Y) of 1# flipper guide transmission side flipper guide
×2-(W1-ΔW11 time)+β, β is manually to give surplus；Unilateral opening function is not executed when Y=0；
5) computer tracking strip steel head position reaches 2# flipper guide straightway M2Meter Shi, 2# flipper guide start a short stroke Δ
W21 time, while the unilateral opening Δ W of 1# flipper guidewsOr Δ WdsZero.
2. side guide plate of recoiling machine method for correcting error according to claim 1, which is characterized in that the X=1# in the step 1)
Flipper guide length of straigh line L1+1# flipper guide end is to 2# flipper guide straightway front end distance L2.
3. side guide plate of recoiling machine method for correcting error according to claim 2, which is characterized in that strip steel head in the step 4)
Judging for the direction of off-centring is as follows: when head center deviates maximum value Y value as positive value, indicating the inclined transmission side in head；Head
When off-centring maximum value Y value is negative value, the inclined fore side in head is indicated.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710509829.8A CN109127733B (en) | 2017-06-28 | 2017-06-28 | Rectifying method for side guide plate of coiling machine |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710509829.8A CN109127733B (en) | 2017-06-28 | 2017-06-28 | Rectifying method for side guide plate of coiling machine |
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| CN109127733B CN109127733B (en) | 2024-03-01 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110064660A (en) * | 2019-04-09 | 2019-07-30 | 鞍钢股份有限公司 | A method of control steel roll tower shaped |
| CN110586665A (en) * | 2019-08-09 | 2019-12-20 | 北京科技大学设计研究院有限公司 | Control method for clamping starting time of guide plates at rough rolling inlet and outlet sides |
| CN111922120A (en) * | 2020-07-09 | 2020-11-13 | 首钢京唐钢铁联合有限责任公司 | Method for preventing side guide plate of coiling machine from clamping steel |
| CN112528225A (en) * | 2020-10-30 | 2021-03-19 | 北京科技大学 | Method for evaluating precision of side guide plate of hot-rolled strip mill |
| CN114345984A (en) * | 2021-12-31 | 2022-04-15 | 张家港宏昌钢板有限公司 | Method and device capable of automatically adjusting side guide plate inclination angle of coiling machine |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110064660A (en) * | 2019-04-09 | 2019-07-30 | 鞍钢股份有限公司 | A method of control steel roll tower shaped |
| CN110064660B (en) * | 2019-04-09 | 2020-07-17 | 鞍钢股份有限公司 | Method for controlling tower shape of steel coil |
| CN110586665A (en) * | 2019-08-09 | 2019-12-20 | 北京科技大学设计研究院有限公司 | Control method for clamping starting time of guide plates at rough rolling inlet and outlet sides |
| CN111922120A (en) * | 2020-07-09 | 2020-11-13 | 首钢京唐钢铁联合有限责任公司 | Method for preventing side guide plate of coiling machine from clamping steel |
| CN112528225A (en) * | 2020-10-30 | 2021-03-19 | 北京科技大学 | Method for evaluating precision of side guide plate of hot-rolled strip mill |
| CN112528225B (en) * | 2020-10-30 | 2024-02-23 | 北京科技大学 | Method for evaluating precision of side guide plate of hot-rolled strip steel rolling mill |
| CN114345984A (en) * | 2021-12-31 | 2022-04-15 | 张家港宏昌钢板有限公司 | Method and device capable of automatically adjusting side guide plate inclination angle of coiling machine |
| CN114345984B (en) * | 2021-12-31 | 2024-05-14 | 张家港宏昌钢板有限公司 | Method and device capable of automatically adjusting inclination angle of side guide plate of coiling machine |
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