CN103909119B - H profile steel straightener steel-fastening processing method - Google Patents
H profile steel straightener steel-fastening processing method Download PDFInfo
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- CN103909119B CN103909119B CN201410120275.9A CN201410120275A CN103909119B CN 103909119 B CN103909119 B CN 103909119B CN 201410120275 A CN201410120275 A CN 201410120275A CN 103909119 B CN103909119 B CN 103909119B
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Abstract
The invention discloses a kind of H profile steel straightener steel-fastening processing method.The method is carried out according to following steps: 1, determine jam drive roll; 2, cut off jam drive roll to power; 3, removing main roller of rectifying runs chain; 4, method of operation during straightener steel-fastening is set; 5, export rolled piece oppositely to align, impact jam rolled piece; 6, export rolled piece forward aligning and exit straightener; 7, crawl pours out jam rolled piece; If 8 jam rolled pieces still can not be poured out from straightener jam drive roll, then suitably strengthen not rectified by the pressure between the drive roll of rolled piece jam and driven roll and measure, repeat above-mentioned steps 5,6,7 and carry out 1 ~ 2 operation, jam rolled piece is poured out from straightener; 9, jam shaped steel process; 10, straightener normal operating conditions is recovered.Advantage pours out jam rolled piece rapidly; Jam rolled piece stands intact, and again can carry out on-line straightening; Avoid gas cutting to damage smoothing roll, reduce spare parts consumption, reduce production cost, ensure to produce and carry out smoothly.
Description
Technical field
The invention belongs to shaped steel steel rolling subsidiary engine, particularly relate to H profile steel rolled-piece straightening machine.
Background technology
Finishing is one of necessary operation that rolling of sectional iron is produced, and after rolling, shaped steel will enter section straightener and aligns.Section straightener is at least made up of the drive roll of 4 groups of separate transmission and 5 groups of driven rolls, and proparea is Zhu Jiao district, and back zone is Ci Jiao district.After rolled piece enters straightener, Qian Jiao district smoothing roll carries out enough flexural deformation fully to discharge the internal stress in rolled piece to rolled piece, and Hou Jiao district smoothing roll carries out smooth aligning to the rolled piece after flexural deformation.Due in the cooling of shaped steel after rolling especially Water cooling process, on it, lower flange there will be interior and extends out, when this shaped steel aligned by straightener, not only to bear the normal aligning load of shaped steel, but also will to bear in section steel flange and the aligning load extended out, its aligning load increases greatly, if when the modulus of section of the shaped steel aligned is larger, when shaped steel head enters Zhu Jiao district smoothing roll, very easily there is straightener steel-fastening fault, particularly when rolled piece aligning actual load is greater than the busy hour that straightener transmission device can provide, rolled piece continues under the effect of its inertia force the segment distance that moves ahead, steel-fastening fault becomes even more serious, now straightener main drive roller not only cannot make the rolled piece of jam continue the aligning that moves ahead, also the rolled piece of jam cannot be made to pour out from straightener, whole production line is caused to stop production.The method of current process section straightener steel-fastening fault is, operative employee carries out the repeatedly crawl operation of falling steel to straightener under manual mode, if the shaped steel of jam cannot be poured out from straightener, then adopt the shaped steel of gas cutting mode to jam to cut, segmentation is taken out from straightener; Or steel-fastening treating apparatus is installed before straightener, also first steel-fastening to be cut, then outwards pull shaped steel by driving haulage cable.The defect existed adopts gas cutting mode process steel-fastening accident, then first drive roll driving motor completely will be had a power failure, with the shaped steel cutting section of gas cutting by jam, then take out from straightener, expend time in more than 3 hours, labour intensity is large, inefficiency, has a strong impact on normal production; Gas cutting can injure smoothing roll, and spare parts consumption is large, increases production cost; Shaped steel is divided into multistage, causes shaped steel to utilize, can only be used as steel scrap, lumber recovery and production efficiency low.
Summary of the invention
In order to overcome the defect that prior art exists, the object of this invention is to provide a kind of H profile steel straightener steel-fastening processing method, improving the processing speed of section straightener shaped steel jam, avoiding the loss of jam shaped steel.
A kind of H profile steel straightener steel-fastening processing method, is characterized in that the method is carried out according to following steps:
1) jam drive roll, is determined
Recall the straightener drive roll driving motor electric current and actual speed oscillogram that record in field process control data acquisition and recording instrument PDA, reach amplitude limit value according to drive roll driving motor electric current and actual speed be close to zero determine aligning owner rectify district's jam drive roll;
2), cut off jam drive roll to power
By on-the-spot man-machine interface active station HMI, operating desk cuts off the power supply to jam drive roll driving motor, avoid jam drive roll driving motor and electric supply installation thereof in process steel-fastening process to damage because of frequent heavy overload;
3), removing main roller of rectifying runs chain
By on-the-spot man-machine interface active station HMI, the operation of jam drive roll and other drive roll that operating desk is removed Zhu Jiao district is interlocked, and jam drive roll becomes free roll, and the drive roll of other non-jam normally runs, in running order;
4) method of operation during straightener steel-fastening, is set
By the manual method of operation of operating desk determination straightener, if the automatic method of operation, way selection switch, by automatically switching to manual mode, ensures that follow-up whole processing procedure is all carry out under manual mode, the convenient control to straightener;
5), outlet rolled piece oppositely aligns, and impacts jam rolled piece
Each drive roll when keeping straightener to work and the pressure between driven roll are rectified and are measured, straightener approach table, runout table and straightener link, the actual speed of manually oppositely being aligned by the setting of straightener execute-in-place picture is 1.25 ~ 1.5 times of normal self-threading aligning speed, outlet rolled piece is oppositely aligned under manual mode, produce enough reverse impact power and impact jam rolled piece, jam rolled piece exits jam state, is unlikely to again to damage jam drive roll;
6), export rolled piece forward aligning and exit straightener
After outlet rolled piece is oppositely aligned and clashed into jam rolled piece, stop straightener oppositely aligning, interrupted the interlock of straightener approach table and straightener by operating grip, straightener carries out forward to outlet rolled piece and manually aligns, and exits straightener;
7), crawl pours out jam rolled piece
After outlet rolled piece exits from the output of straightener, recover the transmission of jam drive roll and power, implemented the interlock of approach table and straightener by operating grip, interruption straightener and runout table link; Then straightener and approach table are carried out crawl and are fallen steel under manual mode, and jam rolled piece is poured out from straightener;
8) if jam rolled piece still can not be poured out from straightener jam drive roll, then suitably strengthen not rectified by the pressure between the drive roll of rolled piece jam and driven roll and measure, repeat above-mentioned steps 5), 6), 7) carry out 1 ~ 2 time operation, jam rolled piece is poured out from straightener;
9), jam shaped steel process
For the little shaped steel of distortion, again send into straightener and align, for the shaped steel that distortion is large, walked by traveling crane, follow-uply carry out artificial pressure aligning;
10), straightener normal operating conditions is recovered
By operating desk by the method for operation of straightener by manually switching as auto state, setting straightener positive normal pressure rectify amount and threading align speed, complete steel-fastening process.
Compared with prior art, advantage is novel, and method is connected in order; Outlet rolled piece is utilized to clash into jam rolled piece, great efforts, effective, pour out jam rolled piece rapidly, effectively reduce labour intensity, shorten the take-off time of jam rolled piece, increase work efficiency; Jam rolled piece stands intact, and again can carry out on-line straightening, enhance productivity; Avoid gas cutting to damage smoothing roll, reduce spare parts consumption, reduce production cost, ensure to produce and carry out smoothly.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the invention will be further described.
Fig. 1 is drive roll separate transmission H profile steel straightener structure schematic diagram;
In figure: 1-jam rolled piece, 2-approach table, 3-1# driven roll, 4-2# drive roll, 5-3# driven roll, 6-4# drive roll, 7-5# driven roll, 8-6# drive roll, 9-7# driven roll, 10-8# drive roll, 11-9# driven roll, 12-export rolled piece, 13-runout table.
Detailed description of the invention
Below in conjunction with embodiment, the present invention is further illustrated.
H profile steel straightener steel-fastening processing method, carry out according to following steps:
1) jam drive roll, is determined
Recall the straightener drive roll driving motor electric current and actual speed oscillogram that record in field process control data acquisition and recording instrument PDA, according to drive roll (4; 6; 8; 10) driving motor electric current reach amplitude limit value and actual speed be close to zero determine aligning owner rectify district's jam drive roll 6;
2), cut off jam drive roll to power
By on-the-spot man-machine interface active station HMI, operating desk cuts off the power supply to jam drive roll 6 driving motor, avoid jam drive roll driving motor and electric supply installation thereof in process steel-fastening process to damage because of frequent heavy overload;
3), removing main roller of rectifying runs chain
By on-the-spot man-machine interface active station HMI, operating desk is removed jam drive roll 6 and other drive roll (4 in Zhu Jiao district; 8; 10) operation interlocking, jam drive roll becomes free roll, and the drive roll of other non-jam normally runs, in running order;
4) method of operation during straightener steel-fastening, is set
By the manual method of operation of operating desk determination straightener, if the automatic method of operation, way selection switch, by automatically switching to manual mode, ensures that follow-up whole processing procedure is all carry out under manual mode, the convenient control to straightener;
5), outlet rolled piece oppositely aligns, and impacts jam rolled piece
Keep the drive roll (4 during straightener work; 6; 8; 10) with driven roll (3; 5; 7; 9; 11) pressure between rectifys amount, straightener approach table 2, runout table 13 and straightener link, the actual speed of manually oppositely being aligned by the setting of straightener execute-in-place picture is 1.25 times of normal self-threading aligning speed, outlet rolled piece 12 is oppositely aligned under manual mode, produce enough reverse impact power and impact jam rolled piece 1, jam rolled piece exits jam state, is unlikely to again to damage jam drive roll;
6), export rolled piece forward aligning and exit straightener
After the reverse aligning of outlet rolled piece 12 clashes into jam rolled piece 1, stop straightener oppositely aligning, interrupted the interlock of straightener approach table 2 and straightener by operating grip, straightener carries out forward to outlet rolled piece and manually aligns, and exits straightener;
7), crawl pours out jam rolled piece
After outlet rolled piece 12 exits from the output of straightener, recover the transmission of jam drive roll 6 and power, implemented the interlock of approach table 2 and straightener by operating grip, interruption straightener and runout table link; Then straightener and approach table are carried out crawl and are fallen steel under manual mode, and jam rolled piece 1 is poured out from straightener;
8) if jam rolled piece 1 still can not be poured out from straightener jam drive roll 6, then suitably strengthen not by the drive roll 4 of rolled piece jam and driven roll (3; 5) pressure between rectify amount, repeat above-mentioned steps 5), 6), 7) carry out 1 ~ 2 time operation, jam rolled piece is poured out from straightener;
9), jam shaped steel process
For the little shaped steel of distortion, again send into straightener and align, for the shaped steel that distortion is large, walked by traveling crane, follow-uply carry out artificial pressure aligning;
10), straightener normal operating conditions is recovered
By operating desk by the method for operation of straightener by manually switching as auto state, setting straightener positive normal pressure rectify amount and threading align speed, complete steel-fastening process.
Claims (1)
1.H section straightener steel-fastening processing method, is characterized in that, carry out according to following steps:
1) jam drive roll, is determined
Recall the straightener drive roll driving motor electric current and actual speed oscillogram that record in field process control data acquisition and recording instrument PDA, reach amplitude limit value according to drive roll driving motor electric current and actual speed be close to zero determine aligning owner rectify district's jam drive roll;
2), cut off jam drive roll to power
By on-the-spot man-machine interface active station HMI, operating desk cuts off the power supply to jam drive roll driving motor, avoid jam drive roll driving motor and electric supply installation thereof in process steel-fastening process to damage because of frequent heavy overload;
3), removing main roller of rectifying runs chain
By on-the-spot man-machine interface active station HMI, the operation of jam drive roll and other drive roll that operating desk is removed Zhu Jiao district is interlocked, and jam drive roll becomes free roll, and other is not normally run by the drive roll of jam, in running order;
4) method of operation during straightener steel-fastening, is set
By the manual method of operation of operating desk determination straightener, if the automatic method of operation, way selection switch, by automatically switching to manual mode, ensures that follow-up whole processing procedure is all carry out under manual mode, the convenient control to straightener;
5), outlet rolled piece oppositely aligns, and impacts jam rolled piece
Each drive roll when keeping straightener to work and the pressure between driven roll are rectified and are measured, straightener approach table, runout table and straightener link, the actual speed of manually oppositely being aligned by the setting of straightener execute-in-place picture is 1.25 ~ 1.5 times of normal self-threading aligning speed, outlet rolled piece is oppositely aligned under manual mode, produce enough reverse impact power and impact jam rolled piece, jam rolled piece exits jam state, is unlikely to again to damage jam drive roll;
6), export rolled piece forward aligning and exit straightener
After outlet rolled piece is oppositely aligned and clashed into jam rolled piece, stop straightener oppositely aligning, interrupted the interlock of straightener approach table and straightener by operating grip, straightener carries out forward to outlet rolled piece and manually aligns, and exits straightener;
7), crawl pours out jam rolled piece
After outlet rolled piece exits from the output of straightener, recover the transmission of jam drive roll and power, implemented the interlock of approach table and straightener by operating grip, interruption straightener and runout table link; Then straightener and approach table are carried out crawl and are fallen steel under manual mode, and jam rolled piece is poured out from straightener;
8) if jam rolled piece still can not be poured out from straightener jam drive roll, then suitably strengthen not rectified by the pressure between the drive roll of rolled piece jam and driven roll and measure, repeat above-mentioned steps 5), 6), 7) carry out 1 ~ 2 time operation, jam rolled piece is poured out from straightener;
9), jam shaped steel process
For the little shaped steel of distortion, again send into straightener and align, for the shaped steel that distortion is large, walked by traveling crane, follow-uply carry out artificial pressure aligning;
10), straightener normal operating conditions is recovered
By operating desk by the method for operation of straightener by manually switching as auto state, setting straightener positive normal pressure rectify amount and threading align speed, complete steel-fastening process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410120275.9A CN103909119B (en) | 2014-03-28 | 2014-03-28 | H profile steel straightener steel-fastening processing method |
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| CN201410120275.9A CN103909119B (en) | 2014-03-28 | 2014-03-28 | H profile steel straightener steel-fastening processing method |
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| CN103909119A CN103909119A (en) | 2014-07-09 |
| CN103909119B true CN103909119B (en) | 2015-11-18 |
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| CN109226272B (en) * | 2018-11-02 | 2020-02-11 | 马鞍山钢铁股份有限公司 | Control method for preventing abnormal manual steel pouring of reversible H-shaped steel universal roughing mill set |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3979937A (en) * | 1975-04-07 | 1976-09-14 | Jury Lukich Semenenko | Paired-roll straightening machine |
| JP2004283836A (en) * | 2003-03-19 | 2004-10-14 | Jfe Steel Kk | Apparatus and method for correcting h-section steel |
| CN201807632U (en) * | 2010-04-02 | 2011-04-27 | 西安荣光机电设备有限公司 | Two-way flat steel straightening machine |
| CN203265319U (en) * | 2013-04-09 | 2013-11-06 | 安阳龙腾特钢制造有限公司 | Moderate straightening device for continuous heat treatment production line |
| CN103447358A (en) * | 2012-05-30 | 2013-12-18 | 金明发 | T-section steel straightening machine |
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2014
- 2014-03-28 CN CN201410120275.9A patent/CN103909119B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3979937A (en) * | 1975-04-07 | 1976-09-14 | Jury Lukich Semenenko | Paired-roll straightening machine |
| JP2004283836A (en) * | 2003-03-19 | 2004-10-14 | Jfe Steel Kk | Apparatus and method for correcting h-section steel |
| CN201807632U (en) * | 2010-04-02 | 2011-04-27 | 西安荣光机电设备有限公司 | Two-way flat steel straightening machine |
| CN103447358A (en) * | 2012-05-30 | 2013-12-18 | 金明发 | T-section steel straightening machine |
| CN203265319U (en) * | 2013-04-09 | 2013-11-06 | 安阳龙腾特钢制造有限公司 | Moderate straightening device for continuous heat treatment production line |
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