CN103752609A - Method for rolling current-conducting copper bar or plate by using hot rolling machine - Google Patents
Method for rolling current-conducting copper bar or plate by using hot rolling machine Download PDFInfo
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- CN103752609A CN103752609A CN201310677234.5A CN201310677234A CN103752609A CN 103752609 A CN103752609 A CN 103752609A CN 201310677234 A CN201310677234 A CN 201310677234A CN 103752609 A CN103752609 A CN 103752609A
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Abstract
The invention discloses a method for rolling a current-conducting copper bar or plate by using a hot rolling machine. The method is characterized in that a four-roller reversible hot rolling machine for nickel alloy plate belt materials is adopted for rolling in a rolling process. By adopting the method for rolling the current-conducting copper bar or plate by using the hot rolling machine, rolling of the current-conducting copper bar or plate is realized by adopting the hot rolling machine which is originally designed for rolling nickel and nickel alloys, the production requirements as well as the requirement on the quality of copper bar products are met, and the problem of pollution due to common use of copper and nickel wires is solved effectively. The method has the characteristics of short flow and low cost.
Description
Technical field
A kind of method with hot mill rolling conducting copper or plate of the present invention.
Background technology
It is that the production line of rolling ferrous metal, nickel and nickel alloy, dilval etc. and the production line of rolling copper, aluminium etc. are strictly separated that traditional rolling mill practice is learned, topmost reason is that copper is ferrous metal, nickel and nickel alloy, responsive element in the alloys such as dilval, also be the strict element of controlling in smelting process, in the processing after smelting, by its pollution, finally will cause this alloy to lose original characteristic, cause waste product, and copper powder, Cu oxide powder, the pollutions such as copper are to be mainly attached in liquid by ROLLING OIL and pickle etc., rolling ferrous metal, nickel and nickel alloy, during the alloys such as dilval, be adhered to alloy surface, along with the crunch of roll, these impurity can be pressed into alloy surface, thereby cause steel strip surface and internal physical performance different, there is large variation in surface physical properties, cause waste product.
In actual production process, often there will be the production line production task quantity not sufficient of rolling ferrous metal, nickel and nickel alloy, dilval etc., production capacity waste; And the production line of shortage rolling copper.Make equipment arrange difficult and scheduling of production difficulty is large, can not utilize capacity of equipment completely, affect completing of production capacity.
Summary of the invention
Object of the present invention is exactly the deficiency existing for above-mentioned prior art, and a kind of rolling equipment that can effectively utilize ferrous metal processed is provided, and can effectively avoid the method with hot mill rolling conducting copper or plate of equipment pollution.
The object of the invention is to be achieved through the following technical solutions.
By a method for hot mill rolling conducting copper or plate, it is characterized in that its operation of rolling is that the four roller reversible hot milling rolls that adopt nickel alloy Strip to use are rolled.
A kind of method with hot mill rolling conducting copper or plate of the present invention, is characterized in that the step of its operation of rolling comprises:
(1) select copper continuous casting throwing material;
(2) adopt walking beam furnace to heat copper blank;
(3) by surface impurity and the oxide skin of water under high pressure copper removal blank;
(4) adopt concave-concave roller to carry out hot mill rolling;
(5) cut into copper coin base, carry out surface sand-blasting processing or pickling, remove new oxide skin and the impurity producing in the operation of rolling;
(6) clean copper slab is carried out to oiling;
(7) lower roll of hot-rolling mill is replaced by plain-barreled roll, top roll is replaced by protruding roller, refines cold rolling;
(8) align, saw limit, oil removing, obtain finished product.
A kind of method with hot mill rolling conducting copper or plate of the present invention, copper bar need not be gone to and on cold rolling mill, carry out finish rolling, because hot-rolling mill is to be cooled with circulating water roll, and cold-rolling mill is with ROLLING OIL Cooling and Lubricator roll, the ROLLING OIL of having avoided copper to enter cold-rolling mill has avoided the copper in ROLLING OIL to pollute the finish rolling system of nickel and nickel alloy plate simultaneously.
A kind of method with hot mill rolling conducting copper or plate of the present invention, adopts independently descaling bath while it is characterized in that scale removal.
A kind of method with hot mill rolling conducting copper or plate of the present invention, adopting concave-concave roller is the bending producing when reducing distortion, the pressure minimum that centerline is subject to, bends towards center line all the time; And adopt flat, protruding roller during finish rolling, and be in order to guarantee plate centerline and limit portion even thickness, because amount of rolling is very little, can not produce flexural deformation.
A kind of method with hot mill rolling conducting copper or plate of the present invention, is characterized in that having increased inunction process, because plate upper and lower surface all has oil, therefore the plate fineness that hot-rolling mill shuts out is greatly improved.
A kind of method with hot mill rolling conducting copper or plate of the present invention, is characterized in that adopting 11 roller straighteners, carries out copper bar template aligning.
A kind of method with hot mill rolling conducting copper or plate of the present invention, the concavity that it is characterized in that the concave-concave roller adopting is for-0.10mm is to-0.15mm.
A kind of method with hot mill rolling conducting copper or plate of the present invention, the lower roll that it is characterized in that refining cold rolling working roll is plain-barreled roll, top roll is protruding roller, and the convexity of protruding roller is+0.05mm.
A kind of method with hot mill rolling conducting copper or plate of the present invention, realized and adopted the former hot-rolling mill that is designed to nickel and nickel alloy rolling to carry out the rolling of conducting copper or plate, meet and produce and the requirement of raising copper bar product quality, and efficiently solving the pollution problem of copper nickel conllinear, its feature is that flow process is short, cost is low.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
The specific embodiment
By a method for hot mill rolling conducting copper or plate, its operation of rolling is that the four roller reversible hot milling rolls that adopt nickel alloy Strip to use are rolled.
The supporting four roller reversible hot milling rolls of 5000t nickel alloy Strip, former nickel and the nickel alloy hot rolling cogging of being designed to, rolling mill design and auxiliary device do not possess copper bar hot rolling function, can not carry out cold rolling production simultaneously.Under normal circumstances, no matter copper bar processing or other metal material rollings, hot rolling and cold rolling be all to adopt two different milling trains, substep completes.At same milling train, implement hot rolling and cold rolling processing, equipment and process all has difficulties.Method of the present invention, selects by milling train roll shape, increases single raise standby planishing roll, realizes on same hot-rolling mill, can carrying out hot rolling operation and also can carrying out finished product finish rolling (cold rolling); Because copper base heating-up temperature is low, reduced surface oxidation layer thickness; Heating adopts high-pressure water descaling mode while coming out of the stove, solve copper blank surface oxide skin attachment issue; Adopt 11 roller straighteners, carry out copper bar template aligning; The mode that adopts high pressure liquid sandblast de-scaling mode or separate acid washing trough to carry out pickling, carries out copper bar surface treatment, by process equipment and the auxiliary transformation of facility of work, meets and produces and raising copper bar product quality; By abrasive band, clear up roller-way mode, solve the pollution problem of copper nickel conllinear.
Embodiment
By a method for hot mill rolling conducting copper or plate, its technical process comprises successively:
1) get the raw materials ready, at length 1500-1800mm, thickness 80-120mm, in width 200-640mm, select copper continuous casting throwing material, select according to the length that is finished product, after converting, obtain, row are if finished product is as wanted: the copper bar of 120 9000 × 10 × 300mm, can select 60 blocks of 1650mm × 120mm × 350mm blanks, after rolling, obtain: the copper bar of 18800 × 10 × 355mm, cut after head-bent, by scale, 9000mm shears on Hot Line, and every block of raw material can obtain two for cold rolling plate.
2) adopt walking beam furnace to heat copper blank, and insulation;
3) pass through dephosphorize by high pressure water after coming out of the stove, the oxide skin producing while removing heating, then use hot mill rolling, finally copper bar thickness is rolled to than the large 0.5mm of finished product copper bar thickness, adopt concave-concave roller (between arrive-0.15mm of generally select-0.10mm of concavity) rolling, be used for guaranteeing that the copper bar after rolling does not have large bending, improve the rate of becoming a useful person.After rolling completes, with the cutter on Hot Line, cut off head-bent, then, by the requirement of supply of material finished product, scale is cut into the length of required plate.
4) the hot rolling copper bar after shearing goes to sandblast dephosphorization unit, or independently pickling trough (avoiding the mutual pollution of copper and mickel and nickel alloy) carries out pickling, and both select one, and object is to remove new oxide skin and the impurity producing in the operation of rolling.
5) clean copper coin is hung in to oil groove immediately and carry out oiling, can avoid like this copper coin to be again oxidized, all, after oiling, can proceed to subsequent processing.
6) hot-rolling mill is changed the working roll that another pair is got ready, lower roll is plain-barreled roll, top roll is protruding roller (generally select+0.05mm of convexity), treat that the complete copper bar of oiling goes to machine front roller-way, start milling train and roller-way, carry out cold rolling (finish rolling), the hot-rolling mill of elaborate servo valve control, can accurately the thickness of copper coin be rolled in the dimensional tolerance of user or GB regulation, fineness etc. all can reach requirement.
7) copper coin after cold rolling, through aligning, saw limit, oil removing, inspection, packing, etc. operation wait for delivery.
A kind of method with hot mill rolling conducting copper or plate of the present invention, copper bar need not be gone to and on cold rolling mill, carry out finish rolling, because hot-rolling mill is to be cooled with circulating water roll, and cold-rolling mill is with ROLLING OIL Cooling and Lubricator roll, the ROLLING OIL of having avoided copper to enter cold-rolling mill has avoided the copper in ROLLING OIL to pollute the finish rolling system of nickel and nickel alloy plate simultaneously; During scale removal, adopt independently pickling system, avoid copper coin and nickel and nickel alloy plate to use the acid of same trough, avoid cross pollution.
A kind of method with hot mill rolling conducting copper or plate of the present invention, control the desired various indexs of milling train discharging with the roller of different roll shapes, such as the hot rolling stage in blank large deformation, adopting concave-concave roller is the bending producing when reducing distortion, the pressure minimum that centerline is subject to, bends towards center line all the time; And adopt flat, protruding roller during finish rolling, and be in order to guarantee plate centerline and limit portion even thickness, because amount of rolling is very little, can not produce flexural deformation.Increased inunction process, because plate upper and lower surface all has oil, therefore the plate fineness that hot-rolling mill shuts out is greatly improved.
A kind of method with hot mill rolling conducting copper or plate of the present invention, has met copper bar production, has reached expection correctional effect, can meet different size copper bar production, and product quality meets or exceeds national standard.Be below middle copper base, copper bar specification mm:75 × 500; 8/10/6 × 60; 10 × 3000; 6 × 5.5 × 550.
A kind of method with hot mill rolling conducting copper or plate of the present invention, drop into low, successful, hot rolling unit, by the situation that originally cannot produce copper bar, can be realized stable rolling after improvement, and lumber recovery is higher, meeting copper bar produces, constant product quality after rolling, is the production technology of 5000 tons of nickel and nickel alloy Strip production line, increases product variety and output and lays a good foundation.
Claims (6)
1. by a method for hot mill rolling conducting copper or plate, it is characterized in that its operation of rolling is that the four roller reversible hot milling rolls that adopt nickel alloy Strip to use are rolled.
2. a kind of method with hot mill rolling conducting copper or plate according to claim 1, is characterized in that the step of its operation of rolling comprises:
(1) select copper continuous casting throwing material;
(2) adopt walking beam furnace to heat copper blank;
(3) by surface impurity and the oxide skin of water under high pressure copper removal blank;
(4) adopt concave-concave roller to carry out hot mill rolling;
(5) cut into copper coin base, carry out surface sand-blasting processing or pickling, remove new oxide skin and the impurity producing in the operation of rolling;
(6) clean copper slab is carried out to oiling;
(7) lower roll of hot-rolling mill is replaced by plain-barreled roll, top roll is replaced by protruding roller, refines cold rolling;
(8) align, saw limit, oil removing, obtain finished product.
3. a kind of method with hot mill rolling conducting copper or plate according to claim 1, adopts independently descaling bath while it is characterized in that scale removal.
4. a kind of method with hot mill rolling conducting copper or plate according to claim 2, is characterized in that adopting 11 roller straighteners, carries out copper bar template aligning.
5. a kind of method with hot mill rolling conducting copper or plate according to claim 2, the concavity that it is characterized in that the concave-concave roller adopting is for-0.10mm is to-0.15mm.
6. 6 one kinds of methods with hot mill rolling conducting copper or plate according to claim 2, the lower roll that it is characterized in that refining cold rolling working roll is plain-barreled roll, top roll is protruding roller, and the convexity of protruding roller is+0.05mm.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310677234.5A CN103752609A (en) | 2013-12-13 | 2013-12-13 | Method for rolling current-conducting copper bar or plate by using hot rolling machine |
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| CN201310677234.5A CN103752609A (en) | 2013-12-13 | 2013-12-13 | Method for rolling current-conducting copper bar or plate by using hot rolling machine |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104190711A (en) * | 2014-09-24 | 2014-12-10 | 江苏鑫成铜业有限公司 | Production technology for pure copper plate |
| CN109108586A (en) * | 2018-10-29 | 2019-01-01 | 扬中市华亿电器有限公司 | A kind of production method of bus duct conducting copper |
| CN115569987A (en) * | 2022-09-09 | 2023-01-06 | 舞阳钢铁有限责任公司 | Production method of copper plate |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1282452A (en) * | 1968-07-15 | 1972-07-19 | Metallurgie Hoboken | Process and apparatus for the continuous manufacture of copper rod or wire |
| CN101110285A (en) * | 2006-07-20 | 2008-01-23 | 靖江市泰力有色合金实业有限公司 | High-conductivity electronic brass plate manufacturing technique |
| CN101428305A (en) * | 2007-11-05 | 2009-05-13 | 江苏鸿尔有色合金实业有限公司 | Process for manufacturing copper iron alloy plate (row, stick, tube) |
| CN102416556A (en) * | 2011-10-21 | 2012-04-18 | 白银有色集团股份有限公司 | Method for producing solid special conductive copper bar used for copper electrolysis |
| CN103056161A (en) * | 2012-12-25 | 2013-04-24 | 安徽精诚铜业股份有限公司 | Hot rolling device used for hot rolling production of copper and copper alloy plate strip blank and rolling method thereof |
-
2013
- 2013-12-13 CN CN201310677234.5A patent/CN103752609A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1282452A (en) * | 1968-07-15 | 1972-07-19 | Metallurgie Hoboken | Process and apparatus for the continuous manufacture of copper rod or wire |
| CN101110285A (en) * | 2006-07-20 | 2008-01-23 | 靖江市泰力有色合金实业有限公司 | High-conductivity electronic brass plate manufacturing technique |
| CN101428305A (en) * | 2007-11-05 | 2009-05-13 | 江苏鸿尔有色合金实业有限公司 | Process for manufacturing copper iron alloy plate (row, stick, tube) |
| CN102416556A (en) * | 2011-10-21 | 2012-04-18 | 白银有色集团股份有限公司 | Method for producing solid special conductive copper bar used for copper electrolysis |
| CN103056161A (en) * | 2012-12-25 | 2013-04-24 | 安徽精诚铜业股份有限公司 | Hot rolling device used for hot rolling production of copper and copper alloy plate strip blank and rolling method thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104190711A (en) * | 2014-09-24 | 2014-12-10 | 江苏鑫成铜业有限公司 | Production technology for pure copper plate |
| CN109108586A (en) * | 2018-10-29 | 2019-01-01 | 扬中市华亿电器有限公司 | A kind of production method of bus duct conducting copper |
| CN115569987A (en) * | 2022-09-09 | 2023-01-06 | 舞阳钢铁有限责任公司 | Production method of copper plate |
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Application publication date: 20140430 |