CN102896147A - Large-space hole-free rolling device and rolling method of bar production line - Google Patents
Large-space hole-free rolling device and rolling method of bar production line Download PDFInfo
- Publication number
- CN102896147A CN102896147A CN2012104121307A CN201210412130A CN102896147A CN 102896147 A CN102896147 A CN 102896147A CN 2012104121307 A CN2012104121307 A CN 2012104121307A CN 201210412130 A CN201210412130 A CN 201210412130A CN 102896147 A CN102896147 A CN 102896147A
- Authority
- CN
- China
- Prior art keywords
- rolling
- rolled piece
- production line
- box body
- free
- 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
Abstract
The invention discloses a large-space hole-free rolling device and a rolling method of a bar production line. The rolling device comprises a box body, wherein the box body is installed on a base; a horizontal roller bracket is arranged at one end of the box body; a guide point is arranged at the other end of the box body; a vertical guide roller is arranged on the box body; a horizontal guide roller is arranged on the horizontal roller bracket; and a horn mouth is connected with the horizontal roller bracket. The rolling method comprises the following steps of: heating, reserving a distance of 38m-45m between a rolling machine group and a fine rolling machine group, cooling and finishing. The rolling production line cn be used for implementing production successfully, adopts a high-technical production technique, breaks through the bottleneck of hole-free rolling, lays basic theories for industrial large-scale production, and improves theories of metal machining deformation in China. The rolling device is high in rolling capacity and low in production cost. Rolling rollers can be repeatedly used, so that the rolling roller consumption is reduced; the production operation efficiency and the production capacity are improved; the power consumption of a motor is reduced; and the market competitiveness of enterprises is improved.
Description
Technical field
The invention belongs to field of metallurgy, specifically a kind of rolling device and milling method that is applicable to the large space pore-free of steel plant bar production line.
Background technology
Grooveless rolling is a kind of brand-new rolling technique, refers to the larger rolled piece of rolling depth-width ratio on the roll of slotless, is to have the roll of groove to change flat rolling into when namely rolling method routinely, and it is rolling that rolled piece does not contact with the sidewall of pass.It not only is applied to the thick intermediate mill of high line and bar, and is applied to the pre-finishing mill group of rolling bar mm finishing mill unit, high line, is applied to billet mill.The grooveless rolling technology is reducing rolling expense, improves the aspects such as milling train efficient and the consumption of reduction energy and all has suitable effect.
Several years ago, the steel plant bar production line adopts grooveless rolling frame spacing maximum to only have 10m, 2.8m is arranged between the frame, therefore, the expert draws a conclusion: grooveless rolling can't steel rolling in the frame spacing that surpasses more than the 10m, and production can only realize within the roughing unit, limited the new technology development in Hi-Tech of grooveless rolling, simultaneously, the output of production line of bar is not high, can not reach gratifying stage; Cause production cost high, enterprise obviously lacks the market competitiveness.
Summary of the invention
Technical problem to be solved by this invention is: for above prior art existent defect, a kind of rolling device and milling method that is applicable to steel plant bar production line grooveless rolling intermediate mill and the large spacing of mm finishing mill unit proposed, the present invention can improve the operating rate of rolling line, improve product yield, reduce production costs.
The technical scheme that the present invention solves above technical problem is:
The rolling device of the large space pore-free of a kind of production line of bar, comprise base, and be installed in box body on the base, one end of described box body is provided with the horizontal roller support, the other end of box body is provided with the guide and guard point, be provided with vertical deflector roll on the described box body, be provided with horizontal guide roller on the described horizontal roller support, the horizontal roller support is connected with horn mouth.
Further, in the described device:
The described vertical deflector roll that is arranged on the box body has four, be respectively two before the rear vertical deflector roll of vertical deflector roll and two, and vertical deflector roll and two are provided with the homophony screw rod between the vertical deflector roll afterwards before two.
The described horizontal guide roller that is arranged on the horizontal roller support has two, and along the up and down parallel distribution of horizontal roller support.
Described horn mouth is fixed on the horizontal roller support by locking nut.
Correspondingly, the present invention gives the milling method of the large space pore-free of a kind of production line of bar, comprises the steps:
First step heating
Steel billet stepping limit in heating furnace is heated, and when steel billet steps to the heating furnace furnace delivery table, is then delivered on the outer furnace delivery table of stove by furnace delivery table in the stove;
Second step is rolling
1) steel billet after coming out of the stove is transported to the roughing unit by furnace delivery table and enters the First milling train and be rolled;
2) steel billet adopts the grooveless rolling device rolling at the roughing unit, rolls into roughing side's section; Flying shear cuts head and the afterbody of this side's section rolled piece, and it is rolling to enter intermediate mill again, the side's of rolling section in rolling into; It is rolling that rolled piece continues to enter mm finishing mill unit behind the crop, obtains the screw-thread steel of finished product section; Wherein, distance has 38-45m between intermediate mill and the mm finishing mill unit;
The cooling of the 3rd step
1) needs that shut out of mm finishing mill unit are worn water-cooled rolled piece, enter the water-cooling apparatus of wearing that is arranged on after the mm finishing mill unit and cool off, and can make Ribbed Bar improve strength grade; Do not need to wear water-cooled rolled piece and be delivered directly to multi-length shear by roller-way, carry out nibbling shear; Rolled piece after the water-cooled continues to be sent to multiple length sectional flying shear machine place, is clamped by pinch roll before the multiple length sectional flying shear machine and sends into sectional flying shear, cuts into the merchantable timber multiple lengths that adapts to cold bed length;
2) the multiple length rolled piece after the segmentation is delivered in the teeth groove of walking beam cooler by cold-bed run-in table and hydraulically powered braking poking device, and rolled piece relies on the sliding friction braking between rolled piece and the brake block to stop in poking device is pulled over process; Rolled piece is sent on the rack segments of cold bed and cools off after the straightening plate section is tided over hot stage.Rolled piece advances in the cooling limit stepping of cold bed top, rolled piece one end is alignd by alignment roller table at the tooth bar latter end, and then rolled piece is delivered on the step chain strip device of cold bed end by carry-over bar, step chain with different step pitch stepwise operations, forms not stacking solid matter steel layer according to different trimmed sizes; When the rolled piece radical of collecting on the step chain reached cold shears shearing radical, the steel discharging trolley that is arranged on the step chain below rose, and holds up the steel layer on the chain, and it is moved on the cold bed runout table;
The 4th step finishing
To cut into merchantable timber length by the multiple length rolled piece in a row that the cold bed runout table is sent here, delivered on the roller-way before the transfer bank by roller-way, the multiple length rolled piece was transplanted on to stride from rollgang checked on the stand by moving the steel dolly, on inspection with Auto-counting after, fall into piling table, bundling, finished product is weighed, and deposit in the stockyard.
Further, in the inventive method:
It is 1000-1050 ℃ that described steel billet stepping limit in heating furnace is heated temperature.
Described roughing unit milling train model Φ 550 * 6, roughing unit 6# frame side section is 65mm.
Described intermediate mill milling train model Φ 450 * 6, intermediate mill 12# frame side section is 30mm.
Described mm finishing mill unit milling train model Φ 350 * 6, finish rolling finished product section Φ 12-Φ 40mm.
Rolled piece adopts the Minimal Tension controlled rolling between described each frame of roughing unit, between thick intermediate mill and between the first five frame of intermediate mill; Between intermediate mill 11 and 12 frames, be provided with kink between middle mm finishing mill unit and between each frame of mm finishing mill unit, rolled piece can be realized without the tension loop controlled rolling; Full rolling line milling train adopts horizontally and vertically alternative to arrange, realizes without reversing rolling.
Described third step 2) the rolled piece temperature of tiding over hot stage in the straightening plate section is 800-900 ℃ in, delivers to that the rolled piece temperature is 750-800 ℃ on the rack segments of cold bed again.
The present invention carries out smoothly for grooveless rolling aspect the metal machining deformation, specialized designs a kind of novel grooveless rolling guide and guards, very easily guide and guards of groove is arranged, changed and change to its device for the front and back split, its rational inner cavity size and antifriction alloy are bumped into slide plate, can prevent that rolled piece from altering moves, reverses and off-square etc., and the wear-resisting practicality of guide and guard is firm.
The present invention is set as the large spacing of 38-45m in the centre-to-centre spacing of intermediate mill and mm finishing mill unit, adopt the rolling steel billet of grooveless rolling new technology after intermediate mill is rolling, since in to roll 12# frame side section be 30mm, between intermediate mill and the mm finishing mill unit greatly apart from the situation, cause easily rolled piece between intermediate mill and mm finishing mill unit, to pile steel; Or pile and draw coefficient control improper, causing rolled piece between its two unit, to pile and draw steel, the vertical muscle of screw-thread steel and horizontal bar are defective; Simultaneously, cause the rolling line rejection number to rise, operating rate descends, and the output of rolling line does not reach promising result.
And having broken through the continuous frame number of grooveless rolling, the present invention can not surpass that centre-to-centre spacing can not be greater than the technical bottleneck of 10m etc. between 4 sorties, frame, rational Application metal plastic deformation principle, metal least resistance principle, Pass design, second flow equate principle etc., the rolled piece cross dimensions of each passage of optimal design and rolling parameter, spread and analyze and bight Variation Features, appropriate design and layout guide and guard, obtain the breakthrough of milling train spacing.
Rolled piece section and rolling parameter design: according to iron company's status of equipment, for improving rolling stability, grooveless rolling test employing side-square-square groove.By the collection to on-the-spot actual parameter, adopt the Return Law to set up the computing formula of spreading that is applicable to excellent wire rod grooveless rolling, summed up the deformation rule of depressing of each passage, optimized technological procedure.
Grooveless rolling bight characteristics: during grooveless rolling owing to there is turn over spread, thereby make rolled piece 4 angles every time all changing.Facts have proved that owing to designed rational rolling parameter, under the effect that turn over spread and cydariform spread, the rolled piece bight is the round edge obtuse angle that is made of circular arc and straight line.This round edge obtuse angle can avoid stress to concentrate and crack effectively.
The breakthrough that the milling train spacing obtains: 4 frame close-coupled pass-free rolling mill centre-to-centre spacing of J. P. Morgan ﹠ Co. and the design of Bu Zi POLO company are 1.22m, the milling train centre-to-centre spacing of 4 frame grooveless rollings of POMINI company design is 1.5m, and Xi'an is contained day milling train centre-to-centre spacing of science and technology test and broken the grooveless rolling technology that it has been generally acknowledged that and be adapted at close-coupled and arrange the limitation of using on the milling train.
Originally traditional groove rolling, the process spare part sharing natures such as roll and guide and guard are poor, and roll working life is low, and required power is large, and it is poor that milling train shares blank, and operating rate and lumber recovery are low; Grooveless rolling technique originally is rolling between large spacing frame, and it is low to cross the steel success rate, and operating rate and annual production are very low, not the successful Application rolling principle.
Grooveless rolling of the present invention has 38-45m in the centre-to-centre spacing of intermediate mill and mm finishing mill unit, broken through the mode of common metal machining deformation, surging the grooveless rolling bottleneck, identified the basis for large-scale industrialization production, promoted the pattern of China's metal machining deformation.
The present invention is large, and the space pore-free rolling technique has following characteristics: (1) roll life cycle lengthens, and reworkable number of times increases, and finally scraps diameter much larger than grooved roll of the same type, and the roll hardness layer is fully utilized.(2) roll wear is even, and the turning amount is little, has greatly simplified the turning process operation.(3) roll barrel can take full advantage of, and greatly reduces the roller consumption.Because do not have the restriction of taper of groove and roll abutment wall, the utilization rate of barrel length can improve 20%～30%.(4) the roll degree of commonality is high, and stockage significantly reduces.(5) simplified corresponding guide and guards.(6) eliminated the speed difference of rolled piece short transverse in the groove rolling, deformation of rolled wire is more even, has reduced rolling load.(7) adjusting operation is convenient, compares the replacing quantity that groove rolling has greatly reduced milling train when kind is switched, and can roll out required workpiece measurement by adjusting roll gap simultaneously, can realize fast stable rolling.(8) good product quality, lumber recovery is high.
After adopting the present invention, produce huge social benefit:
1. economic benefit is roll consumption year: 10/year * 1.8 ten thousand yuan /+20/year * 1.3 ten thousand yuan /=44.00 ten thousand yuan/year;
2. reduce Roller Machining and take the saving benefit;
3. raising operating rate: save 10 minutes every day, calculated in 300 days according to annual effective operation fate: 1440 minutes/day * 3300 tons=6874.00 tons of (10 minutes * 300 days) ÷;
Year economic benefit is: 6874 tons * 300 yuan=206.22 ten thousand yuan;
4. reduction power consumption:
6.30kwh/ ton * 0.35 yuan/kwh * 1000000 ton=220.50 ten thousand yuan
Iron company is at every line grooveless rolling Project Benefit:
Add up to ten thousand yuan of 44.00+206.22+220.50=470.72.
Description of drawings
Fig. 1 is apparatus of the present invention structural representations.
Fig. 2 is the top view of Fig. 1.
Fig. 3 is process chart of the present invention.
Among the figure: 1, guide and guard point; 2, box body; 3, horizontal roller support; 4, horn mouth; 5, front vertical deflector roll; 6, rear vertical deflector roll; 7, horizontal guide roller; 8, base; 9, adjusting nut; 10, T-shaped clamping screw; 11, homophony screw rod; 12, locking nut.
1-1, roughing unit 2-1,1# flying shear 3-1, intermediate mill 4-1,2# flying shear 5-1, mm finishing mill unit.
The specific embodiment
Below in conjunction with the drawings and specific embodiments the present invention is described in further detail.
The present embodiment device as shown in Figure 1, the rolling device of the large space pore-free of a kind of production line of bar, comprise base 8, and be installed in box body 2 on the base 8, box body 2 links to each other with base 8 by adjusting nut 9, the right-hand member of box body 2 is provided with horizontal roller support 3, and horizontal roller support 3 links to each other with base 8 by T-shaped clamping screw 10; The leading section of box body 2 is provided with guide and guard point 1, and box body 2 middle parts are provided with vertical deflector roll, are provided with horizontal guide roller 7 on the horizontal roller support 3, horizontal guide roller 7 has two, and along the parallel distribution about in the of 3 of horizontal roller support, horizontal guide roller 7 is installed in the horizontal roller support 3, the deflector roll adjustment is proper flexibly; And horizontal roller support 7 is connected with horn mouth 4.
Referring to Fig. 2 and in conjunction with shown in Figure 1, the vertical deflector roll that is arranged on the box body 2 has four, be respectively two before the rear vertical deflector roll 6 of vertical deflector roll 5 and two, and vertical deflector roll 5 and two are provided with homophony screw rod 11 between the vertical deflector roll 6 afterwards before two.Horn mouth 4 is fixed on the horizontal roller support 3 by locking nut 12.
Referring to shown in Figure 3, production line mainly is made of following part, is respectively roughing unit 1-1,1# flying shear 2-1, intermediate mill 3-1,2# flying shear 4-1, mm finishing mill unit 5-1.The rolling device that the present invention has taked above-mentioned anapsid uses as the equipment of roughing unit 1-1, intermediate mill 3-1 and mm finishing mill unit 5-1, wherein: roughing unit 1-1 and intermediate mill 3-1 spacing have 9.4m, and intermediate mill 3-1 and mm finishing mill unit 5-1 spacing have 43m.
The thick intermediate mill of certain Steel stock Co., Ltd's production line of bar adopts the rolling new technology of the large spacing of anapsid, and splitting rolling is adopted in finish rolling, produces Φ 12-Φ 40mm screw-thread steel, and embodiment is as follows:
1, heating
Steel billet is heated on heating furnace inner edge stepping limit, when steel billet steps to the heating furnace furnace delivery table, is uniformly heated 1050 ℃, is then delivered on the outer furnace delivery table of stove by furnace delivery table in the stove.
2, rolling
2.1, the steel billet after coming out of the stove is transported to the roughing unit by furnace delivery table and enters the First milling train and be rolled.If for a certain reason, steel billet can not be sent into milling train, and useless base device for eliminating is transplanted on steel billet and rejects on the stand, by crane steel billet is hung in the other mistake of furnace delivery table and strides on the dolly, strides dolly and sends steel billet back to raw material and stride by crossing.
2.2, steel billet is at Φ 550 * 6 roughing units, adopts rolling 6 passages of new technology of grooveless rolling, rolls into the section of 65mm; Flying shear cuts hypertrophy and the lower head and tail of temperature behind the roughing unit, enters rolling 6 passages of Φ 450 * 6 intermediate mills again, rolls into 30mm side section; Rolled piece continues to enter Φ 350 * 6 mm finishing mill unit behind the crop, and is different according to product specification, a rolling 4--6 passage, the screw-thread steel of production Φ 12-Φ 40mm finished product section.
Rolled piece adopts the Minimal Tension controlled rolling between each frame of roughing unit, between thick intermediate mill and between the first five frame of intermediate mill; Between five or six of intermediate mills, be provided with kink between middle mm finishing mill unit and between each frame of mm finishing mill unit, rolled piece can be realized without the tension loop controlled rolling; Full rolling line milling train adopts horizontally and vertically alternative to arrange, realizes without reversing rolling.
3, cooling
3.1, the needs that shut out of mm finishing mill unit wear water-cooled rolled piece, enter the water-cooling apparatus of wearing that is arranged on after the mm finishing mill unit and cool off, and can make Ribbed Bar improve strength grade.Do not need to wear water-cooled rolled piece and be delivered directly to multi-length shear by roller-way, carry out nibbling shear.Rolled piece after the water-cooled continues to be sent to multiple length sectional flying shear machine place, is clamped by pinch roll before the multiple length sectional flying shear machine and sends into sectional flying shear, cuts into the merchantable timber multiple lengths that adapts to cold bed length.
3.2, the multiple length rolled piece after the segmentation delivered in the teeth groove of walking beam cooler by cold-bed run-in table and hydraulically powered braking poking device, rolled piece relies on the sliding friction braking between rolled piece and the brake block to stop in poking device is pulled over process.Rolled piece is sent on the rack segments of cold bed and cools off after the straightening plate section is tided over hot stage.Rolled piece advances in the cooling limit stepping of cold bed top, rolled piece one end is alignd by alignment roller table at the tooth bar latter end, and then rolled piece is delivered on the step chain strip device of cold bed end by carry-over bar, step chain with different step pitch stepwise operations, forms not stacking solid matter steel layer according to different trimmed sizes.When the rolled piece radical of collecting on the step chain reached cold shears shearing radical, the steel discharging trolley that is arranged on the step chain below rose, and holds up the steel layer on the chain, and it is moved on the cold bed runout table.
4, finishing
Behind the cold bed runout table, be provided with the fixed ruler cold shear machine, will become merchantable timber length by the multiple length steel cutting in a row that the cold bed runout table is sent here.Steel after the shearing are by on the roller-way of cutting before rear roller-way is delivered to transfer bank, fast the steel group was transplanted on to stride from rollgang and checked on the stand by moving the steel dolly, on inspection with Auto-counting after, fall into piling table, transport the bundling district to, carry out automatic bundling, then deliver to finished product and weigh, send the finished product stockyard to deposit and wait for delivery.
This Project Product has been formulated company standard at present, and rolling through the bar mill production line success of large-scale iron and steel joint-stock company of domestic several families, rolling Ribbed Bar:
12～40mm, delivery length: 6～12m daily output reaches 4300 tons/day, and annual output can reach 1,100,000 ton/years, and practical probation is respond well.The technology of this Project Product is in international advanced person and leading domestic level, aborning environmentally safe.
Above-mentioned roughing unit 1 and intermediate mill 3 spacings have 9.4m, and intermediate mill 1 and mm finishing mill unit 3 spacings can be 38-45m.
It can be 1000-1050 ℃ that steel billet stepping limit in heating furnace is heated temperature range.Third step 2) the rolled piece temperature of tiding over hot stage in the straightening plate section can be 800-900 ℃ in, delivers to that the rolled piece temperature can be 750-800 ℃ on the rack segments of cold bed again.
Be preferred embodiment of the present invention only below, protection scope of the present invention is not limited to this, and any those skilled in the art can be easy to the change of carrying out or change be encompassed within protection scope of the present invention in open scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of claims.
Claims (9)
1. the rolling device of the large space pore-free of production line of bar, comprise base (8), and be installed in box body (2) on the base (8), it is characterized in that, one end of described box body (2) is provided with horizontal roller support (3), and the other end of box body (2) is provided with guide and guard point (1), and described box body is provided with vertical deflector roll on (2), be provided with horizontal guide roller (7) on the described horizontal roller support (3), horizontal roller support (7) is connected with horn mouth (4).
2. the rolling device of the large space pore-free of a kind of production line of bar according to claim 1, it is characterized in that, the described vertical deflector roll that is arranged on the box body (2) has four, the rear vertical deflector roll (6) of vertical deflector roll (5) and two before being respectively two, and vertical deflector roll (5) and two stand between the deflector roll (6) afterwards and are provided with homophony screw rod (11) before two.
3. the rolling device of the large space pore-free of a kind of production line of bar according to claim 1 is characterized in that, the described horizontal guide roller (7) that is arranged on the horizontal roller support (3) has two, and along up and down parallel distribution of horizontal roller support (3).
4. the rolling device of the large space pore-free of a kind of production line of bar according to claim 3 is characterized in that, described horn mouth (4) is fixed on the horizontal roller support (3) by locking nut (12).
5. a method that is rolled based on the large space pore-free rolling device of production line of bar claimed in claim 1 is characterized in that, comprises the steps:
First step heating
Steel billet stepping limit in heating furnace is heated, and when steel billet steps to the heating furnace furnace delivery table, is then delivered on the outer furnace delivery table of stove by furnace delivery table in the stove;
Second step is rolling
1) steel billet after coming out of the stove is transported to the roughing unit by furnace delivery table and enters the First milling train and be rolled;
2) steel billet adopts the grooveless rolling device rolling at the roughing unit, rolls into roughing side's section; Flying shear cuts head and the afterbody of this side's section rolled piece, and it is rolling to enter intermediate mill again, the side's of rolling section in rolling into; Cut behind the head rolled piece and continue to enter mm finishing mill unit and roll time, obtain the screw-thread steel of finished product section; Wherein, distance has 38-45m between intermediate mill and the mm finishing mill unit;
The cooling of the 3rd step
1) the part rolled piece that shuts out of mm finishing mill unit enters and wears water-cooling apparatus and cool off; The part rolled piece is transported to multi-length shear, carries out nibbling shear; Rolled piece after the water-cooled continues sectional flying shear, cuts into the merchantable timber multiple lengths that adapts to cold bed length;
2) the multiple length rolled piece after the segmentation is delivered in the teeth groove of walking beam cooler, and rolled piece, is sent on the rack segments of cold bed and cools off after high temperature section in the straightening plate section; Cooled rolled piece forms solid matter steel layer through the step chain strip device, it is moved on the cold bed runout table through steel discharging trolley again;
The 4th step finishing
The multiple length rolled piece in a row that to be sent here by the cold bed runout table, on inspection with Auto-counting after, fall into piling table, bundling, finished product is weighed, deposit in the stockyard.
6. the milling method of the large space pore-free of a kind of production line of bar according to claim 5 is characterized in that, it is 1000-1050 ℃ that described steel billet stepping limit in heating furnace is heated temperature.
7. the milling method of the large space pore-free of a kind of production line of bar according to claim 5 is characterized in that, described roughing unit milling train model Φ 550 * 6, and roughing 6# frame side section is 65mm;
Described intermediate mill milling train model Φ 450 * 6, in to roll 12# frame side section be 30mm;
Described mm finishing mill unit milling train model Φ 350 * 6, finish rolling finished product section Φ 12-Φ 40mm.
8. the milling method of the large space pore-free of a kind of production line of bar according to claim 5 is characterized in that, rolled piece adopts the Minimal Tension controlled rolling between described each frame of roughing unit, between thick intermediate mill and between the first five frame of intermediate mill; Between intermediate mill 11 and 12 frames, be provided with kink between middle mm finishing mill unit and between each frame of mm finishing mill unit, rolled piece is realized without the tension loop controlled rolling; Full rolling line milling train adopts horizontally and vertically alternative to arrange, realizes without reversing rolling.
9. the milling method of the large space pore-free of a kind of production line of bar according to claim 5, it is characterized in that, described third step 2) the rolled piece temperature of tiding over hot stage in the straightening plate section is 800-900 ℃ in, delivers to that the rolled piece temperature is 750-800 ℃ on the rack segments of cold bed again.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210412130.7A CN102896147B (en) | 2012-10-25 | 2012-10-25 | A kind of rolling device of production line of bar Large space anapsid and milling method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210412130.7A CN102896147B (en) | 2012-10-25 | 2012-10-25 | A kind of rolling device of production line of bar Large space anapsid and milling method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102896147A true CN102896147A (en) | 2013-01-30 |
| CN102896147B CN102896147B (en) | 2016-02-17 |
Family
ID=47568805
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210412130.7A Active CN102896147B (en) | 2012-10-25 | 2012-10-25 | A kind of rolling device of production line of bar Large space anapsid and milling method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102896147B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103909099A (en) * | 2013-07-18 | 2014-07-09 | 新疆八一钢铁股份有限公司 | Method for eliminating shear cracks of steel sections of sucker rods |
| CN110153199A (en) * | 2019-05-20 | 2019-08-23 | 北京科技大学 | A kind of controlled rolling method of large scale rod bar |
| CN111215447A (en) * | 2019-11-20 | 2020-06-02 | 盐城市联鑫钢铁有限公司 | Process method for reducing differential cutting line of multi-section deformed steel bar |
| CN112387780A (en) * | 2020-06-09 | 2021-02-23 | 山东鲁丽钢铁有限公司 | Novel steel rolling production process |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3982455A (en) * | 1975-03-25 | 1976-09-28 | Co-Steel International Limited | Device for slitting billets |
| US4212181A (en) * | 1979-01-08 | 1980-07-15 | Kotobuki Sangyo Kabushiki Kaisha | Mechanism for automatically centering sub-guide rollers and for adjusting clamping condition of sub-guide rollers, for use in material guiding apparatus of rolling mill |
| US5626044A (en) * | 1995-05-19 | 1997-05-06 | Lara-Castro; Manuel | Method of producing steel bars from billets |
| CN1213592A (en) * | 1998-08-31 | 1999-04-14 | 唐山钢铁集团有限责任公司 | Two-line cutting/rolling tech. for screwed steel |
| CN101007315A (en) * | 2007-01-18 | 2007-08-01 | 湖南华菱涟源钢铁有限公司 | Non-groove rolling technology of horizontal mill |
| CN201164867Y (en) * | 2007-12-25 | 2008-12-17 | 合肥市百胜科技发展有限公司 | Preslitting rolling entrance guide |
| CN201552180U (en) * | 2009-11-27 | 2010-08-18 | 合肥东方冶金设备有限公司 | Adjusting device for guide roller support arm of rolling guide |
| CN201978950U (en) * | 2011-03-21 | 2011-09-21 | 江苏盛日机械设备制造有限公司 | Six-roller guiding and guarding assembly |
-
2012
- 2012-10-25 CN CN201210412130.7A patent/CN102896147B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3982455A (en) * | 1975-03-25 | 1976-09-28 | Co-Steel International Limited | Device for slitting billets |
| US4212181A (en) * | 1979-01-08 | 1980-07-15 | Kotobuki Sangyo Kabushiki Kaisha | Mechanism for automatically centering sub-guide rollers and for adjusting clamping condition of sub-guide rollers, for use in material guiding apparatus of rolling mill |
| US5626044A (en) * | 1995-05-19 | 1997-05-06 | Lara-Castro; Manuel | Method of producing steel bars from billets |
| CN1213592A (en) * | 1998-08-31 | 1999-04-14 | 唐山钢铁集团有限责任公司 | Two-line cutting/rolling tech. for screwed steel |
| CN101007315A (en) * | 2007-01-18 | 2007-08-01 | 湖南华菱涟源钢铁有限公司 | Non-groove rolling technology of horizontal mill |
| CN201164867Y (en) * | 2007-12-25 | 2008-12-17 | 合肥市百胜科技发展有限公司 | Preslitting rolling entrance guide |
| CN201552180U (en) * | 2009-11-27 | 2010-08-18 | 合肥东方冶金设备有限公司 | Adjusting device for guide roller support arm of rolling guide |
| CN201978950U (en) * | 2011-03-21 | 2011-09-21 | 江苏盛日机械设备制造有限公司 | Six-roller guiding and guarding assembly |
Non-Patent Citations (4)
| Title |
|---|
| 侯红杰等: "高速线材无孔型轧制实践", 《河北冶金》 * |
| 李子文: "无孔型轧制技术的研究与开发", 《中国优秀硕士学位论文全文数据库 工程科技Ⅰ辑》 * |
| 赵志业: "《金属塑性变形与轧制理论》", 31 May 1982, 冶金工业出版社 * |
| 魏厚兵: "棒线轧机无孔型轧制工艺研究", 《现代装饰（理论）》 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103909099A (en) * | 2013-07-18 | 2014-07-09 | 新疆八一钢铁股份有限公司 | Method for eliminating shear cracks of steel sections of sucker rods |
| CN103909099B (en) * | 2013-07-18 | 2016-05-25 | 新疆八一钢铁股份有限公司 | A kind of method of eliminating sucker-rod steel section shear fissure |
| CN110153199A (en) * | 2019-05-20 | 2019-08-23 | 北京科技大学 | A kind of controlled rolling method of large scale rod bar |
| CN111215447A (en) * | 2019-11-20 | 2020-06-02 | 盐城市联鑫钢铁有限公司 | Process method for reducing differential cutting line of multi-section deformed steel bar |
| CN112387780A (en) * | 2020-06-09 | 2021-02-23 | 山东鲁丽钢铁有限公司 | Novel steel rolling production process |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102896147B (en) | 2016-02-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103480647B (en) | A kind of device and production method thereof of producing reinforcing bar without heating low temperature Direct Rolling small billet | |
| CN104084421B (en) | A kind of production technology of high-speed rod-rolling mill grooveless rolling 82B wire rods | |
| CN101152653B (en) | Method for rolling titanium and titanium alloy bar wire bar with three-roller type Y continuous rolling mill | |
| CN104148382B (en) | Hot continuous rolling produces the method for titanium or titanium alloy bar | |
| CN105290106A (en) | Low-temperature control rolling and splitting process method and device for ribbed steel bars | |
| CN208162290U (en) | A kind of long material endless rolling production line | |
| CN113000600A (en) | Full-scale bar system and control method | |
| CN102896147B (en) | A kind of rolling device of production line of bar Large space anapsid and milling method | |
| CN100467147C (en) | Method for rolling large-size square steel by single machine frame without groove | |
| CN104415968B (en) | Hot-rolling high-speed tool steel bar and wire producing process | |
| CN108405618A (en) | A kind of long material endless rolling connection method and its rolling line | |
| CN106077091A (en) | Low energy consumption hot continuous casting blank Direct Rolling shaped steel Bar Wire Product production method | |
| CN105414185A (en) | Continuous casting and rolling production line of wire rods and production method of production line | |
| CN108941196B (en) | Method for continuously rolling small-specification bar by using 200 large-section square billet | |
| CN108500080A (en) | A kind of stainless steel bars round-bar pass technique | |
| CN111438188A (en) | Long material direct rolling casting blank heat preservation device, production line and method | |
| CN110695083A (en) | Production equipment for non-heating high-strength steel | |
| CN107962071A (en) | Bar and wire rod rolling process production line and its production method | |
| CN203648986U (en) | Device for producing reinforcing steel bars through heating-free low-temperature direct rolling of billets | |
| CN207563430U (en) | Bar and wire rod rolling process production line | |
| CN102343358B (en) | For the manufacture of the casting of elongated metal rolled products and continuous rolling method and equipment | |
| CN104174649B (en) | Hot continuous rolling produces the method for titanium or titanium alloy wire rod | |
| CN111266403B (en) | Process for rolling phi 15mm PSB830 twisted steel | |
| CN212384281U (en) | Double-high-rod controlled cold rolling system | |
| CN111282993A (en) | Near-net shape rail blank short-flow continuous casting and rolling production method and system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information |
Inventor after: Wang Jianyong Inventor after: Li Zhimin Inventor after: Zuo Hongxia Inventor before: Wang Jianyong Inventor before: Li Zhimin Inventor before: Zuo Hongxia Inventor before: Ji Bangmin Inventor before: Wang Bo |
|
| COR | Change of bibliographic data | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |