CN100478094C - Method for eliminating pinch of jaw opening for fetching coil of cold rolled steel strip - Google Patents
Method for eliminating pinch of jaw opening for fetching coil of cold rolled steel strip Download PDFInfo
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- CN100478094C CN100478094C CNB2007100618926A CN200710061892A CN100478094C CN 100478094 C CN100478094 C CN 100478094C CN B2007100618926 A CNB2007100618926 A CN B2007100618926A CN 200710061892 A CN200710061892 A CN 200710061892A CN 100478094 C CN100478094 C CN 100478094C
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Abstract
A method for eliminating crease generated by the winding jaw from the cold-rolled steel band includes such steps as inserting one end of said steel band in the jaw of reel, arranging an elastic pad with one thick end and one thin end on the surface of steel band between guide roller and jaw, or sticking it on the reel, and winding the steel band.
Description
Technical field
The present invention relates to a kind of method of eliminating pinch of jaw opening for fetching coil of cold rolled steel strip.
Background technology
In cold rolled strip steel production, all need uncoiling and batch at each unit, existing cold-strip reel reel 1 side is the face of cylinder, its cross section is a proper circle shape 5, the band steel when take-up, is an end of band steel that cold-strip steel coil of strip insertion end 3 is inserted in the jaw 2 of cold-strip reel reel 1, because the band steel has certain elasticity, the elasticity perk 4 outside jaw 2 of band steel forms horizontal arc boss, referring to Fig. 1, coiling machine is a proper circle shape 5 in the state profile of batching in addition, and the band steel is that 7, two curves of helix are inconsistent when take-up.When take-up, when band coil of strip during to the jaw place, the belt steel thickness of last circle and elasticity perk form this position projection jointly, make next astragal steel form laterally creasing of band steel at this, in later the batching, continue to be subjected to this to influence, and formation is periodically batched and creased.In the about 300～500mm thickness range of coil of strip inner ring, can form the band steel and laterally crease, middle operation is batched this of formation and is creased, and can be eased in the operation down, but this creasing that final operation is batched formation then can't be eliminated, and takes to and offered the user in the finished product.For opening that flat equipment has strong straightening capacity or can satisfying instructions for use to the not high user of product requirement.But most users are because opening plate equipment straightening capacity is poor, have relatively high expectations and to use for product quality, the 301L vehicle panel that provides for Qingdao Sifang Rolling Stock Plant as Finland Outokumpu, its coil of strip finally loses this user of cubic carshop owing to there is serious jaw seal (accounting for 1/3 volume).For the uses such as frosted plate, hairline plate and decorative panel of top grade, the user can not accept this defective.Up to the present, because in the similar factory in the whole world, all there are this problem in cold-strip reel design and manufacture view in various degree, stainless-steel cold-rolling strip coiling jaw seal is a difficult problem that influences strip quality always.Now, in the last whole processing of coiling machine, reason owing to process equipment and means and manufacturing process, coiling machine is in last processing, can only guarantee that the distending state is a proper circle, can't obtain helix with simple method, even can be processed into helix, also can only be a kind of pitch, can't satisfy the needs that batch of different-thickness band steel.In order to eliminate pinch of jaw opening for fetching coil of cold rolled steel strip, existing method is that the reel of individual other coiling machine has been done some improvement, but its shape has only the part changeover portion still based on proper circle, and curtailment, be subjected to the restriction of structure simultaneously, can not be used for batching this reel than hightension, also can only reduce the number of turns of creasing, alleviate the degree of creasing, can not be solved at all, influenced the particularly quality of stainless steel coil of strip of coil of strip.
Summary of the invention
In order to overcome the existing above-mentioned deficiency of eliminating the method for pinch of jaw opening for fetching coil of cold rolled steel strip, the invention provides a kind of method that can eliminate pinch of jaw opening for fetching coil of cold rolled steel strip.
Technical scheme of the present invention is: 1) when smooth and two operations of rip cutting are batched the band steel, batch between band steel and the proper circle reel elastic insert that longitudinal profile is a wedge shape is set, make reel real work shape carry out the transition to helix shape, thereby meet the shape of batching feature and coiling process of different steel more from proper circle; 2) at factors such as the different working characteristic of different process equipment coiling machine and different steel material, thickness, varying strength ranks, carry out coiling machine and cooperate the gasket material shape facility between the steel with band, and choosing meets the material of service condition, this material has elasticity, withstand voltage, anti-wear performance, as the caoutchouc elasticity liner of caoutchouc elasticity liner, polyurethane elastic insert, folder canvas.
The method of this elimination pinch of jaw opening for fetching coil of cold rolled steel strip comprises following sequential steps:
(1) the jaw of the insertion end insertion reel of band steel;
(2) elastic insert that the thicker end of an end is approached is tiled in the belt steel surface between guide roller and the jaw, or stick on the reel, girth when the length of elastic insert is not more than the reel distending, when being not less than the reel distending 1/2 of girth, when generally being not less than the reel distending 3/4 of girth, the thin of elastic insert rectified jaw;
(3) start the reel of coiling machine then, reel is rotated batch the band steel, when reel batches the band steel, elastic insert also is rolled into circular arc, between the fanning strip lateral surface that twists in reel and the first lap of being with steel; The fanning strip lateral surface of reel is close in the inboard of elastic insert, the outside of elastic insert is at the inboard one-tenth of the first lap helix face of band steel, the thick end of elastic insert twists in one side of the take-up direction of jaw, the arc length of this end distance jaw is not more than 50mm, the thin end of elastic packing material is by another of jaw, when the arc length of this end distance jaw is not more than the reel distending 1/2 of girth, when generally being not more than the reel distending 1/4 of girth;
(4) after becoming the band coil of strip coil of strip to unload volume, elastic insert is taken out from the coil of strip inner ring.
Method according to above-mentioned elimination pinch of jaw opening for fetching coil of cold rolled steel strip, the arc length of the thick end distance jaw of elastic insert is 5mm～50mm, it is 2mm～950mm that elastic insert thin held the arc length of jaw, the thickness of the thin end of elastic insert is not less than the gap that the band steel forms between other elasticity perk of jaw and fanning strip, be not more than 3mm, the thickness of the thick end of elastic insert is that the thin end of gasket material thickness adds belt steel thickness the best, and the thickness of the thickness upset end of thin end is not more than 10mm.
Method according to above-mentioned elimination pinch of jaw opening for fetching coil of cold rolled steel strip, the length of elastic insert is girth the best during near the reel distending, be the side of the thick end of elastic insert near jaw, the thin end of elastic insert is near the opposite side of jaw, when the length of elastic insert is not less than the reel distending 98% of girth, diameter during to distending is the reel of Φ 610mm, and the best when the length of elastic insert is 1890～1900mm is full of the gap that forms between elasticity perk and the reel fanning strip lateral surface like this.The lateral surface of the elasticity perk of the lateral surface of the thick end of elastic insert and jaw is on the helix face of same circle, the end of the first lap of band steel and the beginning of second circle partly form the helix face, the band coil of strip becomes the horizontal section behind the coil of strip to be helix, has eliminated because the jaw that the elasticity perk forms is creased.
According to the method for above-mentioned elimination pinch of jaw opening for fetching coil of cold rolled steel strip, the thickness at elastic insert two ends is as follows with the relation of the thickness of band steel:
The thickness of the thin end of elastic insert is 2.0mm
The thickness of the thick end of elastic insert is applicable to the band steel of 0.6～0.8mm than the thick 0.6mm of thin end;
The thickness of the thick end of elastic insert is applicable to the band steel of 0.9～1.2mm than the thick 1.0mm of thin end;
The thickness of the thick end of elastic insert is applicable to the band steel of 1.5～2.0mm than the thick 2.0mm of thin end;
The thickness of the thick end of elastic insert is applicable to the band steel of 2.5～3.0mm than the thick 3.0mm of thin end;
The thickness of the thick end of elastic insert is applicable to the band steel of 3.5～4.0mm than the thick 4.0mm of thin end;
The thickness of the thick end of elastic insert is applicable to the band steel of 4.5～5.0mm than the thick 5.0mm of thin end.
The present global cold-strip reel ubiquity strip coiling problem of creasing, serious shadow is to use high-grade and the high request client, particularly for the stainless-steel cold-rolling belt steel product, because it is worth far above general band steel, coil of strip laterally creased when elimination was batched, most important for the presentation quality that improves stainless-steel roll, for the output value that improves stainless-steel roll very important meaning is arranged also.The method of this elimination pinch of jaw opening for fetching coil of cold rolled steel strip is at reel fanning strip outer liner elastomeric material, eliminated laterally creasing of coil of strip when batching coil of strip with coiling machine fully.And elastic insert can use repeatedly, and easy to operate when batching, technology is simple, and cost is low.
Fig. 1 is the horizontal section schematic diagram after existing cold-strip steel method for coiling batches the band steel.
Fig. 2 is the schematic diagram of the method embodiment one of this elimination pinch of jaw opening for fetching coil of cold rolled steel strip.
Fig. 3 is the axial view after the method for coiling reel with embodiment one batches the band steel, and reel is laterally cut open, and Fig. 2 amplifies relatively.
Fig. 4 is the schematic diagram of the method embodiment two of this elimination pinch of jaw opening for fetching coil of cold rolled steel strip.
Fig. 5 is the axial view after the method for coiling reel with embodiment two batches the band steel, and reel is laterally cut open, and Fig. 4 amplifies relatively.
Fig. 6 is the axial view after the method for coiling reel with embodiment three batches the band steel, and reel is laterally cut open, and Fig. 4 amplifies relatively.
Fig. 7 is the schematic diagram of the method embodiment four of this elimination pinch of jaw opening for fetching coil of cold rolled steel strip.
Among the above-mentioned figure:
1, reel 2, jaw 3, insertion end 4, elasticity perk 5, proper circle shape
6, cold-strip steel coil of strip 7, helix 8, guide roller 9, band steel
10, elastic insert 11, reel 12, jaw 13, insertion end 14, thin end
15, thick end 16, elasticity perk 17, lateral surface 18, helix face
19, disk spring group 20, motion wedge 21, stationary wedge piece 22, mandrel
23, contract cylinder bar 24, fanning strip 25, elastic insert 26, thick end
27, thin end 28, elasticity perk 29, gap 30, gap 31, help roll
The specific embodiment
Describe the specific embodiment of the method for this elimination pinch of jaw opening for fetching coil of cold rolled steel strip in detail below in conjunction with embodiment and accompanying drawing thereof, but the specific embodiment of the method for elimination pinch of jaw opening for fetching coil of cold rolled steel strip of the present invention is not limited to following embodiment.
Embodiment one
The used coiling machine of present embodiment is the coiling machine that German SUNDWIG produces, and the diameter of reel 11 when distending is Φ 610mm, and girth is 1916mm, wide 1400mm, and the band steel 9 that batches is the 0Cr18Ni9 stainless steel, thickness is 3mm.
Present embodiment batch step referring to Fig. 2, the insertion end 13 of band steel 9 is pulled out from rolling mill guide roller 8, insert the pincers 12 of reel 11, again elastic insert 10 is laid on above the band steel 9 between guide roller 8 and the jaw 12, the thin end 14 of elastic insert 10 is descending near jaw 12, the thick end 15 of elastic insert 10 is last, thick end 15 is near guide roller 8 in the present embodiment, start the reel 11 of coiling machine then, reel 11 is rotated counterclockwise batches band steel 9, and the right side of jaw 12 forms elasticity perk 16 in Fig. 3, when reel 11 batches band steel 9, elastic insert 10 also is rolled into circle, twist in reel 11 fanning strip lateral surface 17 and the band steel 9 first lap between.Thin end 14 pads of elastic insert 10 are full of the gap that forms between elasticity perk 16 and the reel 11 fanning strip lateral surfaces 17 below elasticity perk 16.Fanning strip lateral surface 17 is the proper circle face, the fanning strip lateral surface 17 of reel 11 is close in the inboard of elastic insert 10, the outside of elastic insert 10 is at the inboard one-tenth of the first lap helix face 18 of band steel 9, after band steel 9 batches first lap, the thick end 15 of elastic insert 10 twists in the left side of jaw 12 among Fig. 3, like this, the lateral surface of the elasticity perk 16 on the lateral surface of elastic insert 10 thick ends 15 and jaw 12 the right is on the helix face of same circle, the end of the first lap of band steel 9 and the beginning of second circle partly form the helix face, the shape of band steel 9 after reel 11 batches seen Fig. 3, two circles though only draw among the figure, but the horizontal section of the band steel 9 that batches as can be seen from Figure is helix, has eliminated because the jaw that elasticity perk 16 forms is creased at all.After a band steel 9 is rolled into coil of strip and unloads volume, can from the coil of strip inner ring, take out use repeatedly to elastic insert 10.
The used elastic insert 10 of present embodiment is the caoutchouc elasticity liner of therebetween canvas, increases the pull resistance of rubber packing, long 1900mm, during for reel 11 bulgings 99/100 of girth, approach girth, wide 1240mm, the thickness of thick end 15 is 5mm, and the thickness of thin end 14 is 2mm.
Embodiment two
The coiling machine that the used coiling machine of present embodiment is produced for Spain FAGOR, the diameter of reel 11 when distending is Φ 610mm, girth is 1916mm, wide 1400mm, the band steel 9 that batches is 430 stainless steels, thickness is 2.0mm.
Present embodiment batch step referring to Fig. 4, the insertion end 13 of band steel 9 is pulled out from guide roller 8, insert the jaw 12 of reel 11, again elastic insert 25 is laid on above the band steel 9 between guide roller 8 and the jaw 12, the thin end 27 of elastic insert 25 is following, apart from jaw 12 is 470mm, the thick end 26 of elastic insert 25 is last, start the reel 11 of coiling machine then, reel 11 is rotated counterclockwise batches band steel 9, (also can start the reel 11 of coiling machine, make reel 11 rotate 90 ° then fill up elastic insert 25 again) and in Fig. 5 jaw 12 right other form elasticity perk 28, when reel 11 batches band steel 9, elastic insert 25 also is rolled into circle, twist between the first lap of the fanning strip lateral surface 17 of reel 11 and band steel 9, the right side of jaw 12 among Fig. 5 forms along the gap 29 of the circumference 470mm of reel 11.Fanning strip lateral surface 17 is the proper circle face, the fanning strip lateral surface 17 of reel 11 is close in the inboard of elastic insert 25, the outside of elastic insert 25 is pressed in the inboard one-tenth of the first lap helix face of band steel 9, and after band steel 9 batched first lap, the thick end 26 of elastic insert 25 twisted in the left side of jaw 12 among Fig. 5.The lateral surface of the elasticity perk 28 on the lateral surface of elastic insert 25 thick ends 26 and jaw 12 the right has been eliminated jaw substantially and has been creased on the helix face of same circle.
The used elastic insert 25 of present embodiment is the caoutchouc elasticity liner of no fibrous material, long 1430mm, and during for reel 11 distendings 75% of girth, wide 1240mm, the thickness of thick end 26 are 4.0mm, the thickness of thin end 27 is 2.0mm.
Embodiment three
The used coiling machine of present embodiment is the coiling machine that German SUNDWIG produces, and the diameter of reel 11 when distending is Φ 610mm, and girth is 1916mm, wide 1400mm, and the band steel 9 that batches is the 0Cr18Ni9 stainless steel, thickness is 1.5mm.
The step of batching of present embodiment can be referring to Fig. 4, the insertion end 13 of band steel 9 is pulled out from guide roller 8, insert the jaw 12 of reel 11, again elastic insert 25 is laid on above the band steel 9 between guide roller 8 and the jaw 12, the thin end 27 of elastic insert 25 is following, apart from jaw 12 is 400mm, the thick end 26 of elastic insert 25 is last, start the reel 11 of coiling machine then, reel 11 is rotated counterclockwise batches band steel 9, and the right side of jaw 12 forms elasticity perk 28 in Fig. 6, when reel 11 batches band steel 9, elastic insert 25 also is rolled into circle, twist in reel 11 fanning strip lateral surface 17 and the band steel 9 first lap between, the right side of jaw 12 among Fig. 6 forms along the gap 29 of the circumference 400mm of reel 11, and the gap 30 of 70mm is arranged in the left side of jaw 12.The lateral surface of the elasticity perk 28 on the lateral surface of elastic insert 25 thick ends 26 and jaw 12 the right has been eliminated jaw substantially and has been creased on the helix face of same circle.
The used elastic insert 25 of present embodiment is the caoutchouc elasticity liner of no fibrous material, long 1430mm, and during for reel 11 bulgings 75% of girth, wide 1240mm, the thickness of thick end 26 are 3.5mm, the thickness of thin end 27 is 2.0mm.
Embodiment four
The difference of present embodiment and embodiment one is that the thin end 14 with elastic insert 10 is bonded at the jaw 12 times of reel 11 near jaw 12, see Fig. 7, reel 11 is turned clockwise batch band steel 9, elastic insert 10 is involved between the first lap inboard and reel 11 of band steel 9, other step is identical with embodiment.
Claims (2)
1, a kind of method of eliminating pinch of jaw opening for fetching coil of cold rolled steel strip, it comprises following sequential steps:
(1) the jaw of the insertion end insertion reel of band steel;
(2) elastic insert that the thicker end of an end is approached is tiled in the belt steel surface between guide roller and the jaw, or sticks on the reel; The thickness of the thin end of elastic insert is not less than the gap that the band steel forms between other elasticity perk of jaw and fanning strip, be not more than 3mm, and the thickness that the thickness of the thick end of elastic insert adds thin end is not more than 10mm; Girth when the length of elastic insert is not more than the reel distending, when being not less than the reel distending 98% of girth, the thin of elastic insert rectified jaw;
(3) start the reel of coiling machine then, reel is rotated batch the band steel, when reel batches the band steel, between the fanning strip lateral surface that elastic insert is twisted in reel and the first lap of being with steel; The outside of elastic insert is at the inboard one-tenth of the first lap helix face of band steel, the thick end of elastic insert twists in one side of the take-up direction of jaw, the arc length of this end distance jaw is not more than 50mm, the thin end of elastic packing material is by another of jaw, when the arc length of this end distance jaw is not more than the reel distending 1/2 of girth.
2, the method for elimination pinch of jaw opening for fetching coil of cold rolled steel strip according to claim 1 is characterized in that the thickness at elastic insert two ends is as follows with the relation of the thickness of band steel:
The thickness of the thin end of elastic insert is 2.0mm;
The thickness of the thick end of elastic insert is used for the band steel of 0.6～0.8mm than the thick 0.6mm of thin end;
The thickness of the thick end of elastic insert is used for the band steel of 0.9～1.2mm than the thick 1.0mm of thin end;
The thickness of the thick end of elastic insert is used for the band steel of 1.5～2.0mm than the thick 2.0mm of thin end;
The thickness of the thick end of elastic insert is used for the band steel of 2.5～3.0mm than the thick 3.0mm of thin end;
The thickness of the thick end of elastic insert is used for the band steel of 3.5～4.0mm than the thick 4.0mm of thin end;
The thickness of the thick end of elastic insert is applicable to the band steel of 4.5～5.0mm than the thick 5.0mm of thin end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100618926A CN100478094C (en) | 2007-05-16 | 2007-05-16 | Method for eliminating pinch of jaw opening for fetching coil of cold rolled steel strip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100618926A CN100478094C (en) | 2007-05-16 | 2007-05-16 | Method for eliminating pinch of jaw opening for fetching coil of cold rolled steel strip |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101049617A CN101049617A (en) | 2007-10-10 |
| CN100478094C true CN100478094C (en) | 2009-04-15 |
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| CNB2007100618926A Expired - Fee Related CN100478094C (en) | 2007-05-16 | 2007-05-16 | Method for eliminating pinch of jaw opening for fetching coil of cold rolled steel strip |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101992234A (en) * | 2010-09-10 | 2011-03-30 | 安徽华星消防设备(集团)有限公司 | Uncoiler metal drive drum shaft |
| CN103316955B (en) * | 2012-03-22 | 2015-07-22 | 上海梅山钢铁股份有限公司 | Method for eliminating creases on head of strip steel |
| CN104841725B (en) * | 2014-02-13 | 2017-02-22 | 宝山钢铁股份有限公司 | Rolling method for head-to-tail connection of jaw cylinder |
| CN103878207A (en) * | 2014-03-28 | 2014-06-25 | 山西太钢不锈钢股份有限公司 | Method for arranging wrapper rollers and forming plates of strip steel recoiling machine |
| CN105290151B (en) * | 2014-06-30 | 2018-04-20 | 宝钢不锈钢有限公司 | It is a kind of to unload volume control method with jaw coiling machine |
| CN106311799B (en) * | 2015-06-30 | 2020-03-06 | 宝钢工程技术集团有限公司 | Device for eliminating tape head print of coiling machine and using method thereof |
| CN105290148A (en) * | 2015-09-17 | 2016-02-03 | 四川金广实业（集团）股份有限公司 | Cold-rolled stainless steel strip rolling method |
| CN107790514B (en) * | 2016-08-29 | 2019-09-17 | 上海梅山钢铁股份有限公司 | Mandrel for recoiling machine outer circle adjusts device and method of adjustment |
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2007
- 2007-05-16 CN CNB2007100618926A patent/CN100478094C/en not_active Expired - Fee Related
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| CN101049617A (en) | 2007-10-10 |
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