CN201172057Y - Universal mill - Google Patents
Universal mill Download PDFInfo
- Publication number
- CN201172057Y CN201172057Y CNU2008201017175U CN200820101717U CN201172057Y CN 201172057 Y CN201172057 Y CN 201172057Y CN U2008201017175 U CNU2008201017175 U CN U2008201017175U CN 200820101717 U CN200820101717 U CN 200820101717U CN 201172057 Y CN201172057 Y CN 201172057Y
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- Prior art keywords
- roll
- memorial archway
- horizontal roller
- chute
- edger roll
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- Expired - Fee Related
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Abstract
The utility model relates to a universal rolling mill mainly including a stander, an upper and a lower horizontal roll devices, a vertical roll device, an upper horizontal roll screwdown gear, a lower horizontal roll pressing up device, a vertical roll adjusting device and other subassemblies. The stander of the rolling mill is formed by a way that a closed operating end memorial arch and a closed driving end memorial arch are in joint and thermal insertion with four half columns on two memorial arches through four coupling rings; the stander has good stability and rigidity; in addition, the rolling mill is convenient to replace and adjust the roll, has simple structure and convenient operation, and is an ideal novel universal rolling mill.
Description
One, technical field
The utility model belongs to the steel rolling milling equipment, refers more particularly to a kind of H of production font steel universal mill.
Two, technical background
Milling train production is based on milling train, metal stock is rolled prolong the complete set of equipments of becoming a useful person.Milling train is directly to roll the main frame that prolongs metal, and it utilizes the roll spreading blank of rotation, makes metal requirement in accordance with regulations produce plastic deformation.Roll that to prolong be the metal forming method that productivity ratio is the highest, cost is minimum, be applicable to and roll that to prolong the cross section identical or periodically variable strip or board-like material arranged; But special milling train rolling mill part or its blank and some nonmetallic materials.Roll to prolong and mainly contain hot rolling and cold rolling dual mode.Hot rolling is to roll to prolong under the condition of rolled piece heating, rolls with reduction and prolongs pressure; Cold rolling is at room temperature to carry out, and can make rolled piece obtain very high shape and size precision and surface smoothness, and can improve the mechanical performance of rolled piece.
The composition of milling train: mainly form by main motor, main transmission and main engine bed (working stand).Main motor uses direct current generator when the needs speed governing, use synchronous or asynchronous (band flywheel) alternating current generator when not needing speed governing.Main engine bed is made up of frame, roll, bearing block, screwdown gear and bascule etc.Frame is to bear to roll the parts that prolong power, and closed frame has rigidity preferably, but the open top roll housing roll change is more convenient.Roll is to roll the parts that prolong metal, and the body of roll is a working portion, and spindle nose is used for transmission.The body of roll shape of sheet material roll is called roll shape, and the groove of section roll is called pass.Screwdown gear is used for regulating the drafts of roll.The thickness automatic control of hyper tape mill is often finished by holding-down device of hydraulic.Bascule is used to eliminate the influence that housing screw etc. is located play, impacts in order to avoid produce during stand under load.Also be provided with hydraulic roller-bending device in the main engine bed of strip-mill strip, apply additional bending moment and make the body of roll produce additional amount of deflection, control the transverse gage of band and obtain best template with this at roll neck.
The structural shape of milling train and performance depend mainly on the arrangement form of roll and the arrangement form of main engine bed.For example: duo mill, three-high mill, five-roller mill, HC milling train, multi-roll mill etc.Universal mill forms right horizontal roller by one and edger roll is formed, and horizontal roll is used for rolled slab or band steel all by power transmission, comprises H shaped steel.
Before 10 years, China's hot-rolled steel section production is all rolling by the cross-arranging type three-high mill, and milling train adopts bakelite tile to make the open type or the housing of the closed top of bearing, and rolling accuracy is low, and roll changing time is long, and efficient is low, the energy consumption height.Also just because of there is not universal mill, China can not produce the hot rolled H-shaped of economical section for a long time, does not apply yet in China.H shaped steel is a kind of economical section steel, early in the twentieth century brings into use the America and Europe, is widely used in the steel building engineering.1998, Ma Gang, Laigang H type steel production line were gone into operation successively, the history that the China that is through with can not produce H shaped steel.The H shaped steel factory that present China has built up also has little H section steel works at sunshine, the big H section steel works of Jin Xi, the little H section steel works in Changzhi, the little H section steel works of Laigang ten thousand power except Ma Gang, Laigang.Because the superior function of H shaped steel and purposes widely in the national faster impetus that presents quick growth of economic development, have become one of steel products of consumption figure maximum in developed country.In steel and iron industry developed country, it be a kind of volume of production and marketing almost with screw-thread steel, common buildings such as wire rod reach 7,500,000 tons as 97 years hot rolled H-shaped sales volumes of Japan with the steel product of the same widespread usage of steel, 98 years about 6,000,000 tons, account for the 7%-8% of steel output.In the U.S., European various countries and other developed countries, the consumption of H shaped steel generally all accounts for the 4%-8% of steel products total burn-off, sometimes even higher.In a sense, a country, especially steel big producing country, the volume of production and marketing of H shaped steel has directly translated into the Building technology level of a country, weighs sign for one that becomes the flourishing level of a national economy.H shaped steel has been built the first cover universal mill from Luxembourg A Erbeide factory in 1902, after having shut out first H shaped steel, countries in the world have been built the H type steel production line one after another, production technology becomes more consummate day by day, the whole world has more than 20 country to produce H shaped steel approximately at present, have the omnipotent shape rolling mill of cover more than 120, production capacity is about about 3,000 ten thousand tons.
The H shape rolling mill that these have been built has adopted advanced in the world technology and equipment, mainly contains following characteristics:
The one, extensively adopt special-shaped base rolling.
The 2nd, the structure of universal mill has had significant improvement.In the production, the universal mill of small dimension H shaped steel, the prestressed high rigidity universal mill of the employing that has, the whole roll change of frame, it is electronic that the depressing of universal mill is.Employing close-coupled frame, the hydraulic pressure that has is depressed, AGC controls, and the non-transmission side memorial archway of frame is removable during roll change, and roller system does not need to shift out from the side window mouth of memorial archway, can change fast.
The 3rd, main motor adopts ac variable frequency speed regulation.
The 4th, the section H section steel works has been selected the X-H rolling mill practice for use.This technology come and go on the reversible tandem mill of three frames rolling after, finishing mill no longer is set just can rolls out finished product, the H-H rolling technique comparison with traditional has reduced by 1 finishing mill.Actual from external production, its quality of H shaped steel that the X-H method is rolling and consumption are poor unlike traditional H-H method, the more important thing is and have reduced by 1 universal mill, thereby reduced construction cost.
The 5th, the finishing process of the extensively long chi cooling of employing, long chi aligning, cold sawing scale.Domestic newly-built H section steel works adopts the finishing process of long chi cooling, long chi aligning, cold saw sawing mostly, has reduced head, the tail aligning cecum of finished product, has improved product quality.Especially the Laigang of short-term construction, the big H shaped steel of Jin Xi have adopted the gate-type multi-roll straightening machine of dual-gripper, thereby have guaranteed the straightening quality of big specification H shaped steel.The memorial archway of this dual-gripper gate-type straightener one side is movably, and after memorial archway shifted out, the manipulator that hangs on the crane hung away row's smoothing roll simultaneously, can realize fast roll changing.
Demand for development along with the steel building technology, product technology to H shaped steel is also had higher requirement, especially in the industrialization continuity production process of huge construction program, how to solve the roll change problem quickly and efficiently and will seem very important, and existing universal mill all has weak point in the solution of this problem, be that framework memorial archway is shifted out mode, but this will influence the stability and the rigidity of entire equipment.Be in frame, set up a plate shape board with guide function (patent No. is: 88103216, patent name: the universal rolling mill with adjustable horizontal and vertical roller group), but this structure is too complicated, and cost is too high.
Three, the utility model content
The purpose of this utility model is to overcome above-mentioned weak point of the prior art and provides a kind of simple in structure, a kind of novel universal mill of being convenient to operate.
The utility model is realized in the following way: the utility model equipment mainly by frame, up and down horizontal roller device, edger roll device, go up the horizontal roller screwdown gear, horizontal roller pressuring upper device, edger roll adjusting device and other assembly constitute down.
Rolling-mill housing engages hot charging by closed type operating side memorial archway and closed type driving end memorial archway by four attached columns on four coupling rings and two memorial archways and forms.The every memorial archway outside is connected with two cantilevered edger roll memorial archway beams, and memorial archway beam inboard is provided with chute, and L type liner plate is installed in the chute top and bottom.Memorial archway both sides chute is held the edger roll bearing block, and bearing block can move on chute, and the chute center line is positioned on the edger roll horizontal central plane.Two roll change wheel tracks are installed in the frame, and every wheel track is provided with two recesses, and its center line and housing post central lines are with solve the cushion block of installing and removing between edger roll and the following horizontal roll shaft bearing when roll change.The horizontal roll shaft bearing is installed in the framework window.The operating side bearing block is subjected to displacable platen axial constraint on memorial archway and the memorial archway.Respectively there are two travelling wheels to fall within on interior two tracks of frame below the following horizontal roller two end axles bearing, or on the breading cap on the located horizontal roller pressuring upper device screw mandrel down.Last horizontal roller screwdown gear is connected by clutch apparatus by two casing pressure lower transmission systems and is installed on the platform.Following horizontal roller pressuring upper device has two covers, is installed on the place of remaining silent, two memorial archway bottoms respectively.Every cover presses device and drives the two-stage worm-drive by hydraulic motor.Two cover edger roll adjusting devices are installed on respectively on the crossbeam, and two crossbeams are mounted on respectively on the chute cantilever of memorial archway both sides at the crossbeam two ends by the combination wedge.
Operation principle: after the semi-finished product parison is bitten by guide and guards turnover milling train, after horizontal roller is rolled into required form by the mode of pressing with the semi-finished product parison by driving and edger roll device up and down, send by guide and guards again, in time change roll to satisfy different production requirements according to concrete processing request.
Four, description of drawings
Fig. 1 the utility model structure collectivity figure;
Fig. 2 the utility model cantilevered chute structural representation;
Fig. 3 the utility model roll change wheel track structural representation;
Fig. 4 the utility model horizontal roll shaft holder structure and edger roll adjusting device structural representation;
Horizontal roller screwdown gear structural representation on Fig. 5 the utility model;
Five, the utility model specific embodiment
The utility model specific embodiment now is described in detail in detail in conjunction with the accompanying drawings: as shown in the figure, the utility model mainly by frame, up and down horizontal roller device, edger roll device, go up the horizontal roller screwdown gear, horizontal roller pressuring upper device, edger roll device and other assembly constitute down.Wherein:
(1) frame
Rolling-mill housing (11) engages hot charging by closed type operating side memorial archway (12) and closed type driving end memorial archway (13) by four attached columns (15) on four coupling rings (14) and two memorial archways and forms, liner plate (31) is installed on the memorial archway window, and whole frame is installed on two rail chairs (16) on the Equipment Foundations with pin wedge double-screw bolt.The every memorial archway outside is connected with two cantilevered edger roll memorial archway beams (17), and memorial archway beam inboard is provided with chute (32), and the chute top and bottom are equipped with L type liner plate (21).Memorial archway both sides chute is held edger roll bearing block (18), and bearing block can move on chute, and the chute center line is positioned on the edger roll horizontal central plane.Two roll changes wheel track (33) is installed in the frame, every wheel track is provided with two recesses (34), its center line and housing post central lines, with solving the cushion block of installing when the roll change and removing between edger roll and the following horizontal roll shaft bearing, enter the mouth and outlet is separately installed with guide and guards in frame.
(2) horizontal roller device
The horizontal roll device mainly is made up of operating side bearing block, sealing shroud, roll and driving end bearing block etc., four row garden post roller bearings, sealing ring and bearing enclose locating element are housed in the bearing block, self-aligning thrust roller bearing and axial micro-adjusting mechanism also are housed on the roll shaft of operating side.The horizontal roll shaft bearing is installed in the framework window, and the operating side bearing block is subjected to displacable platen on memorial archway and the memorial archway (41) axial constraint, and the 0.15-0.20 glade plane space is arranged between bearing block otic placode and pressing plate.Respectively there are two travelling wheels (56) to be positioned on frame two tracks (33) below the following horizontal roller two end axles bearing (55), or are positioned on the breading cap (57) on the following horizontal roller pressuring upper device screw mandrel.
(3) edger roll device
The edger roll device as free roll form by in the located frame chute of the protruding seat in bearing block both sides.The edger roll device mainly by vertical rolls, four-row tapered roller bearing, up and down end cap, O type circle, go up lower cover and be assembled in the edger roll bearing block, and be fixed on the bearing block by vertical shaft.The bearing block inner chamber is equipped with sparge pipe, with water spray cooling roll.Liner plate is equipped with in two sides about reaching below the protruding seat in edger roll bearing block both sides, above the protruding seat movable liner plate is housed, to help roll change.1 font open type baffle plate is equipped with in edger roll bearing block back, can insert connection with compensating cylinder T type bar (45) in the edger roll adjusting device.
(4) go up the horizontal roller screwdown gear
Last horizontal roller screwdown gear is connected by clutch apparatus by two casing pressure lower transmission systems and is installed on the platform.Every casing pressure lower transmission system by motor, band brake shaft coupling, reductor, ball coupling, worm reduction gear, depress indicating device, depress screw mandrel, screw box and pressure head be linked and packed and form.And worm gear case is installed in two memorial archways top of remaining silent, and screw box is installed on memorial archway and remains silent in the upper cavity.When small skew appears in last horizontal roller, can start the level that a cover transmission system is adjusted horizontal roller separately.
(5) horizontal roller pressuring upper device under
Following horizontal roller pressuring upper device has two covers, is installed on the place of remaining silent, two memorial archway bottoms respectively.Every cover presses device and drives the two-stage worm-drive by hydraulic motor.The first-stage worm gear transmission is installed in the worm gear case lid, and the second-stage worm gear transmission is installed on the bottom and remains silent in the cavity.Second-stage worm gear (trapezoidal thread nut) is supported on the self-aligning roller bearing.Under the constraint of the screw mandrel of tape guide key with second-stage worm gear rotation and fairlead, screw mandrel can move up and down.Screw mandrel upper end heads on protecting cover breading cap, and screw mandrel top also is in the waterproof in the cover, and the water of cooling roll and iron scale can't enter during the feed screw nut pays.When small skew appears in horizontal roller instantly, can start the level that a cover transmission device is adjusted down horizontal roller separately.
(6) edger roll adjusting device
Two cover edger roll adjusting devices are installed on respectively on the crossbeam (42).Two crossbeams are mounted on respectively on the memorial archway both sides chute cantilever beams (17) at the crossbeam two ends by combination wedge (43).At crossbeam two, each installs one group of worm-drive, and hydraulic motor drives worm screw by spline housing, and the worm screw other end links to each other with encoder, and worm and gear is installed in the crossbeam cavity.The end that worm gear (trapezoidal nut thread) is subjected to big axial force contacts with self-aligning thrust roller bearing.The screw mandrel of inner chamber tape guide cover rotate with worm gear and the constraint of guide post under advance or retreat.At the crossbeam middle part, a compensating cylinder (44) is installed, the compensating cylinder piston rod links to each other with T type bar (43).T type bar manually half-twist so that pulling edger roll bearing block or break away from bearing block.When the edger roll bearing block small skew occurs in chute, can start separately that a hydraulic motor adjusts the edger roll bearing block with the chute parastate.
Claims (4)
1. universal mill, mainly include frame, horizontal roller device up and down, the edger roll device, last horizontal roller screwdown gear, following horizontal roller pressuring upper device, the edger roll adjusting device, it is characterized in that: described rolling-mill housing (11) engages hot charging by closed type operating side memorial archway (12) and closed type driving end memorial archway (13) by four attached columns (15) on four coupling rings (14) and two memorial archways and forms, the every memorial archway outside is connected with two cantilevered edger roll memorial archway beams (17), memorial archway beam inboard is provided with chute (32), L type liner plate (21) is installed in the chute top and bottom, memorial archway both sides chute is held edger roll bearing block (18), bearing block can move on chute, and the chute center line is positioned on the edger roll horizontal central plane.
2. described a kind of universal mill according to claim 1 is characterized in that: two roll changes wheel track (33) is installed in the frame (11), and every wheel track is provided with two recesses (34), its center line and housing post central lines.
3. a kind of universal mill according to claim 2, it is characterized in that: the horizontal roll shaft bearing is installed in the framework window, the operating side bearing block is subjected to displacable platen on memorial archway and the memorial archway (41) axial constraint, respectively there are two travelling wheels to fall (56) in frame on two tracks (33) below the described down horizontal roller two end axles bearing (55), or are located on the breading cap (57) on the horizontal roller pressuring upper device screw mandrel down.
4. described a kind of universal mill according to claim 3 is characterized in that: described upward horizontal roller screwdown gear is connected by clutch apparatus by two casing pressure lower transmission systems and is installed on the platform; Described down horizontal roller pressuring upper device has two covers, is installed on the place of remaining silent, two memorial archway bottoms respectively, and every cover presses device by hydraulic motor drive two-stage worm-drive; Described edger roll adjusting device has two covers to be installed on respectively on the crossbeam (42), and two crossbeams are mounted on respectively on the memorial archway both sides chute cantilever beams (17) at the crossbeam two ends by combination wedge (43).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201017175U CN201172057Y (en) | 2008-03-24 | 2008-03-24 | Universal mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201017175U CN201172057Y (en) | 2008-03-24 | 2008-03-24 | Universal mill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201172057Y true CN201172057Y (en) | 2008-12-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201017175U Expired - Fee Related CN201172057Y (en) | 2008-03-24 | 2008-03-24 | Universal mill |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102363155A (en) * | 2011-09-21 | 2012-02-29 | 天津市中重科技工程有限公司 | Vertical roll axis deviation type universal mill |
| CN102581012A (en) * | 2012-02-14 | 2012-07-18 | 北京京诚之星科技开发有限公司 | Combined two-roller continuous mill |
| CN102601119A (en) * | 2012-03-20 | 2012-07-25 | 中国重型机械研究院有限公司 | Intermediate roll moving device for cold mill unit |
| CN103264048A (en) * | 2013-06-02 | 2013-08-28 | 辽宁宏昌重工股份有限公司 | Four-roller transversely-arranged type finishing mill |
| CN103436673A (en) * | 2013-07-18 | 2013-12-11 | 杭州博数土木工程技术有限公司 | Three-dimensional pressurization cold-rolled steel sheet reinforcement apparatus |
| CN103752605A (en) * | 2014-02-18 | 2014-04-30 | 江苏鸿业重工有限公司 | Universal rolling mill through improvement of two-roller rolling mill |
| CN109500087A (en) * | 2018-12-18 | 2019-03-22 | 天津市中重科技工程有限公司 | Edger roll assembling window polishing device when universal mill form becomes duo mill form |
| CN109794520A (en) * | 2019-01-29 | 2019-05-24 | 广东含元工业技术有限公司 | A kind of degreasing unit for milling train |
| CN111604371A (en) * | 2019-02-25 | 2020-09-01 | 新疆八一钢铁股份有限公司 | Method for producing high-precision cathode flat steel by universal rolling mill |
| CN114682659A (en) * | 2022-03-31 | 2022-07-01 | 中冶赛迪工程技术股份有限公司 | Roll bending forming equipment and hole pattern adjusting method |
-
2008
- 2008-03-24 CN CNU2008201017175U patent/CN201172057Y/en not_active Expired - Fee Related
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102363155A (en) * | 2011-09-21 | 2012-02-29 | 天津市中重科技工程有限公司 | Vertical roll axis deviation type universal mill |
| CN102581012B (en) * | 2012-02-14 | 2014-09-17 | 北京京诚之星科技开发有限公司 | Combined two-roller continuous mill |
| CN102581012A (en) * | 2012-02-14 | 2012-07-18 | 北京京诚之星科技开发有限公司 | Combined two-roller continuous mill |
| CN102601119A (en) * | 2012-03-20 | 2012-07-25 | 中国重型机械研究院有限公司 | Intermediate roll moving device for cold mill unit |
| CN103264048A (en) * | 2013-06-02 | 2013-08-28 | 辽宁宏昌重工股份有限公司 | Four-roller transversely-arranged type finishing mill |
| CN103264048B (en) * | 2013-06-02 | 2016-05-11 | 辽宁宏昌重工股份有限公司 | Four roller cross-arranging type finishing mills |
| CN103436673A (en) * | 2013-07-18 | 2013-12-11 | 杭州博数土木工程技术有限公司 | Three-dimensional pressurization cold-rolled steel sheet reinforcement apparatus |
| CN103436673B (en) * | 2013-07-18 | 2015-11-18 | 浙江中隧桥波形钢腹板有限公司 | Three-dimensional pressurization cold-rolled steel sheet strengthening equipment |
| CN103752605A (en) * | 2014-02-18 | 2014-04-30 | 江苏鸿业重工有限公司 | Universal rolling mill through improvement of two-roller rolling mill |
| CN109500087A (en) * | 2018-12-18 | 2019-03-22 | 天津市中重科技工程有限公司 | Edger roll assembling window polishing device when universal mill form becomes duo mill form |
| CN109500087B (en) * | 2018-12-18 | 2023-11-17 | 中重科技(天津)股份有限公司 | Vertical roll assembly window repairing device when universal rolling mill form is changed into two-high mill form |
| CN109794520A (en) * | 2019-01-29 | 2019-05-24 | 广东含元工业技术有限公司 | A kind of degreasing unit for milling train |
| CN111604371A (en) * | 2019-02-25 | 2020-09-01 | 新疆八一钢铁股份有限公司 | Method for producing high-precision cathode flat steel by universal rolling mill |
| CN114682659A (en) * | 2022-03-31 | 2022-07-01 | 中冶赛迪工程技术股份有限公司 | Roll bending forming equipment and hole pattern adjusting method |
| CN114682659B (en) * | 2022-03-31 | 2023-11-28 | 中冶赛迪工程技术股份有限公司 | Roll bending forming equipment and hole pattern adjusting method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081231 Termination date: 20140324 |