CN2628172Y - Roll edge lubricating apparatus - Google Patents
Roll edge lubricating apparatus Download PDFInfo
- Publication number
- CN2628172Y CN2628172Y CN 03229819 CN03229819U CN2628172Y CN 2628172 Y CN2628172 Y CN 2628172Y CN 03229819 CN03229819 CN 03229819 CN 03229819 U CN03229819 U CN 03229819U CN 2628172 Y CN2628172 Y CN 2628172Y
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- oil pipe
- roll
- rolling oil
- limit portion
- rolling
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Abstract
The utility model provides a lubrication device for roller edge, comprising: an upper working roller, a lower working roller, and an upper rolling oil pipe, a lower rolling oil pipe are respectively arranged under the upper working roller and the lower working roller; and is characterized in that, a plurality of nozzles are respectively provided on the upper rolling oil pipe and the lower rolling oil pipe, and a plurality of correspondent valves are electromechanically connected with the plurality of nozzles. The utility model can make independent lubrication for rolling piece edge and the touching zone of rollers, to strengthen the lubrication ability of working rollers surface that keeps touch with rolling piece edge, which effectively lighten the wearing of working roller edge and center wearing difference, to make the rolling piece edge not to be thickened.
Description
Technical field
The utility model relates to a kind of lubricating arrangement, specifically, relates to a kind of device that the limit portion of hot rolling working roll is lubricated.
Background technology
Along with the raising day by day that strip quality requires, require hot-rolling mill gradually to continuously, at a high speed, the direction of high accuracy, automation develops, and produced therefore that hot rolling working roll roll surface wearing is accelerated, the roll life cycle shortens, the frequent problem of roll change.
The hot rolling working roll is the critical component of hot-rolling mill, and it needs under huge roll-force, bending roller force and the driving force situation continuously and the contact friction of high temperature rolled piece bearing, and follows certain relative slip, and the instantaneous contact temperature of roll surface is then above 600 ℃.Because the acting in conjunction of high temperature, high pressure and the shock loading of deformed area, working roll roll surface produce the phenomenon of wearing and tearing, oxidation, fire check and local damage through regular meeting under the frictional force effect.
Hot rolling working roll roll surface wearing directly affects surface quality of products.The developed recently lubrication in heat-rolling process new technology of getting up, that is: in the operation of rolling, supply with certain amount of fluid or kollag to roller surface, thereby change the friction condition of deformed area, reduce the coefficient of friction of roll contact zone, reduce the roll surface wear amount and and heat fatigue, reduce band steel oxidation skin pore, prolong the service life of roll, cut down the consumption of energy, boost productivity, improve the quality of product.This technological lubrication technology is actually by the forced feed lubrication mode and forms one deck lubricating oil film in the roll surface contact zone, and this layer lubricating oil film burns under high temperature, high pressure, fast state, gasifies or decompose, and plays instantaneous contact zone lubrication.In the method, different lubricated form with use different lubricants all directly to have influence on the effect of anti-attrition.
The technological lubrication device adopts independently lubricating system usually, by the fuel feeding collector and vertically the equally distributed nozzle of roll surface roll surface is evenly sprayed because what take is even lubricating system, so can't solve the uneven wear problem of roll.
And in the hot fine rolling operation of rolling, the contact pressure that working roll bore is uneven, general is higher than the middle part with the pressure that contacts of strip edge portion contact position, therefore, be with steel to the wearing and tearing of working roll limit portion greater than the middle part.Factual survey finds that this species diversity is approximately 5～10%.And along with the increase of rolled piece quantity, the wearing and tearing of working roll limit portion and the wearing and tearing difference at middle part can progressively be aggravated, and cause strip edge portion local high spot to occur, form the edge thickening phenomenon on cold-rolled products.
As shown in Figure 1, be roller curve schematic diagram after the wearing and tearing of F7 frame when being respectively 10,20,50 with wide rolled piece, roller curve schematic diagram after the curve 11 ' wearing and tearing when being 10 with wide rolled piece, roller curve schematic diagram after the wearing and tearing when being 50 of roller curve schematic diagram after the curve 12 ' wearing and tearing when being 20, curve 13 ' with wide rolled piece with wide rolled piece.By curve among the figure as can be seen: when being respectively 10,20,50 with wide rolled piece, limit portion local high spot 14 ' is respectively 8 μ m, 12 μ m, 30 μ m.
Summary of the invention
The purpose of this utility model provides a kind of roll limit portion lubricating arrangement, and it is lubricated that it can carry out independent limit portion to the contact area of rolled piece limit portion and roll, the lubricating ability of the working roll roll surface that reinforcement contacts with rolled piece limit portion.Effectively alleviate the wearing and tearing of working roll limit portion and the wearing and tearing difference at middle part, rolled piece limit portion can not formed thicken phenomenon.
For achieving the above object, the utility model provides a kind of roll limit portion lubricating arrangement, it comprises: a top working roll, one bottom working roll, and the rolling oil pipe in a top is arranged, a bottom ROLLING OIL pipe is arranged at the below of this top working roll and bottom working roll respectively, characteristics are, on the rolling oil pipe of rolling oil pipe in this top and bottom, be respectively equipped with somely to nozzle, and corresponding dynamo-electric these some some valves to nozzle that connect are arranged.
The logarithm of described oil nozzle is 3 pairs, and its middle part with respect to oil pipe is corresponding respectively; Described valve is 3, its respectively electromechanics be connected in described paired oil nozzle.
Described valve is that 3 valves are respectively narrow material valve, middle material valve, wide material valve, and they become to be connected in parallel;
The bottom of rolling oil pipe in described top and the rolling oil pipe in bottom is equipped with a base, and described base has stiff end and mobile terminal;
Described stiff end is arranged at an end of described rolling oil pipe, and the mobile terminal is arranged at the relative other end; This stiff end also can be arranged at the middle part of described rolling oil pipe, and the mobile terminal is divided into the two ends of oil pipe;
Described narrow material valve, middle material valve, wide material valve also can be connected the oil-water mixer pipeline that inflow and oil inlet quantity are controlled with one, and this oil-water mixer also is connected with an outside inflow pipeline with an outside inlet channel respectively.
The utility model has the advantages that: because oil pipe is provided with some to nozzle, can guarantee that injection tubing covers whole rolled piece width, and can be according to the width of rolled piece, regulate the spray regime of nozzle automatically by each valve, be applicable to the free rolling of different steel grades and width band steel.Simultaneously, the setting of mobile terminal and stiff end on the oil pipe bottom base efficiently solves because the thermal deformation that oil pipe is heated and causes.And, in the utility model, can carry out limit portion to rolled piece effectively and lubricate, and the wearing-in period that the lubricated purpose of limit portion is prolonged between long leg and the middle part is poor, thereby prolong rolling milimeter number, reduce the roll change cycle, reduce the roller consumption.And roll set up certain oil film thickness saturated after, Duo oil spurts has only waste on roll again, in the utility model, because effective arrangement of nozzle quantity, the water yield of unit interval by blender reduces, obtaining under the situation of same mixing ratio, the lubricated usefulness oil mass of limit portion can decline to a great extent, and has played the effect of getting twice the result with half the effort.
Description of drawings
Fig. 1 is in the background technology, roller curve schematic diagram after the wearing and tearing of F7 frame when being respectively 10,20,50 with wide rolled piece;
Fig. 2 is a structural representation of the present utility model;
Fig. 3 is for after utilizing the utility model, roller curve schematic diagram after the wearing and tearing of F6 frame when being 25 with wide rolled piece;
Fig. 4 is for after utilizing the utility model, roller curve schematic diagram after the wearing and tearing of F7 frame when being 25 with wide rolled piece;
The schematic diagram that Fig. 5 matches for rolling oil pipe in the utility model and base;
Another schematic diagram that Fig. 6 matches for rolling oil pipe in the utility model and base.
The specific embodiment
Following according to Fig. 2～Fig. 6, a better embodiment of the present invention is described.
As shown in Figure 2, in the utility model, comprise a top working roll 21, one bottom working rolls 24, between this top working roll 21 and bottom working roll 24, carried out hot rolling by rolled piece 23, and having rolling oil pipe 22, the one bottom ROLLING OIL pipes 25 in a top to be arranged at the below of this top working roll 21 and bottom working roll 24 respectively, characteristics are, on the rolling oil pipe 25 of rolling oil pipe 22 in this top and bottom, be respectively equipped with 3 pairs of nozzles, the code name of each oil nozzle is respectively: 22A, 22A '; 22B, 22B '; 22C, 22C ' and: and corresponding 3 valve 27C are arranged, 27B, 27A, dynamo-electric respectively these nozzles that connect.
Valve 27C, 27B, 27A are respectively narrow material valves, middle material valve, and wide material valve, wherein, dynamo- electric nozzle 22C, 22C ', 25C, the 25C ' of connecting of narrow material valve 27C; Dynamo- electric nozzle 22B, 22B ', 25B, the 25B ' of connecting of middle material valve 27B; Dynamo- electric nozzle 22A, 22A ', 25A, the 25A ' of connecting of wide material valve 27A; Like this, can be according to the quilt width of rolled piece, automatically regulate the spray regime of nozzle by each valve, the limit portion that guarantees top working roll 21, bottom working roll 24 can obtain effectively lubricating, effectively alleviate the wearing and tearing of working roll 21,24 limit portions and the wearing and tearing difference at middle part, rolled piece 23 limit portions can not formed thicken phenomenon.
As shown in Figure 3, after utilizing the utility model, roller curve schematic diagram after the wearing and tearing of F6 frame when being 25 with wide rolled piece; Be illustrated in figure 4 as utilize the utility model after, roller curve schematic diagram after the wearing and tearing of F7 frame when being 25 with wide rolled piece.As can be seen from the figure, utilize the utility model after, the difference of wearing and tearing in limit portion wearing and tearing and middle part is eliminated effectively.
The bottom of rolling oil pipe 22 in top and the rolling oil pipe 25 in bottom is equipped with a base, and is shown in Figure 6 as Fig. 5, and this base has stiff end 28A and mobile terminal 28B; This stiff end 28A is arranged at an end of the rolling oil pipe 22 in top (or bottom) (or 25), and mobile terminal 28B is arranged at the relative other end; This stiff end 28A also can be arranged at the middle part of the rolling oil pipe 22 in top (or bottom) (or 25), and mobile terminal 28B is divided into the two ends of oil pipe.Efficiently solve because the thermal deformation that oil pipe is heated and causes.
Narrow material valve 27C, middle material valve 27B, wide material valve 27A also can be connected oil-water mixer 26 pipelines that inflow and oil inlet quantity are controlled with one, and this oil-water mixer 26 is connected with an outside inflow pipeline with an outside inlet channel respectively.Because effective arrangement of nozzle quantity, the water yield of unit interval by blender 26 reduces, and obtaining under the situation of same mixing ratio, and the lubricated usefulness oil mass of limit portion can decline to a great extent, and has played the effect of getting twice the result with half the effort.In addition, when unit quits work, also can only need to open inlet channel, and needn't open inflow pipeline, avoid waste.
In the actual production, general hot rolled stock width range is generally 670mm～1400mm, and the roll width of the required injection in every limit is 365mm, is divided into 3 sections, establishes 1 nozzle for every section, and then the working range that should spray of each nozzle is at least 122mm.In the utility model, the spray regime of nozzle is 280mm, greater than the working range 122mm that should spray, therefore, except satisfying eject request, also has certain lap between each section, thereby guarantees the blind area can not occur spraying at the edge of every section working range.Therefore, according to above-mentioned design principle, when band steel rolling piece width is 670～913mm, enable narrow material nozzle 27C separately; When band steel rolling piece width is 913～1156mm, material nozzle 27B in enabling separately; When band steel rolling piece width is 1156～1400mm, enable wide material nozzle 27A separately.Like this, when obtaining same injection concentration, the lubricated usefulness oil mass of limit portion is equally distributed 33%, and obviously obvious than equally distributed nozzle effect on effect.
Claims (7)
1. roll limit portion lubricating arrangement, it comprises: a top working roll, one bottom working roll, and the rolling oil pipe in a top arranged, one bottom ROLLING OIL pipe is arranged at the below of this top working roll and bottom working roll respectively, is characterised in that, on the rolling oil pipe of rolling oil pipe in this top and bottom, be respectively equipped with somely, and corresponding dynamo-electric these some some valves to nozzle that connect arranged nozzle.
2. roll as claimed in claim 1 limit portion lubricating arrangement is characterized in that the logarithm of described oil nozzle is 3 pairs, and its middle part with respect to oil pipe is symmetrical respectively; Described valve is 3, its respectively electromechanics be connected in described paired oil nozzle.
3. roll as claimed in claim 2 limit portion lubricating arrangement is characterized in that, described valve is that 3 valves are respectively narrow material valve, middle material valve, wide material valve, and they become to be connected in parallel.
4. roll as claimed in claim 1 or 2 limit portion lubricating arrangement is characterized in that the bottom of rolling oil pipe in described top and the rolling oil pipe in bottom is equipped with a base, and described base has stiff end and mobile terminal.
5. roll as claimed in claim 4 limit portion lubricating arrangement is characterized in that described stiff end is arranged at an end of described rolling oil pipe, and the mobile terminal is arranged at the relative other end.
6. roll as claimed in claim 4 limit portion lubricating arrangement it is characterized in that described stiff end also can be arranged at the middle part of described rolling oil pipe, and the mobile terminal is divided into the two ends of oil pipe;
7. roll as claimed in claim 3 limit portion lubricating arrangement, it is characterized in that, also have an oil-water mixer, the one end is connected with described narrow material valve, middle material valve, wide material valve pipe respectively, and the other end also connects an outside inlet channel respectively and is connected with an outside inflow pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03229819 CN2628172Y (en) | 2003-03-27 | 2003-03-27 | Roll edge lubricating apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03229819 CN2628172Y (en) | 2003-03-27 | 2003-03-27 | Roll edge lubricating apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2628172Y true CN2628172Y (en) | 2004-07-28 |
Family
ID=34247394
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03229819 Expired - Lifetime CN2628172Y (en) | 2003-03-27 | 2003-03-27 | Roll edge lubricating apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2628172Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101011713B (en) * | 2007-01-25 | 2010-05-19 | 鞍钢股份有限公司 | Lubricating coiling method for improving surface quality of hot rolling coiling pinch roll |
| CN102844127A (en) * | 2010-04-07 | 2012-12-26 | 新日本制铁株式会社 | Lubricating oil supply facility and lubricating oil supply method |
| CN101652198B (en) * | 2007-02-08 | 2013-06-05 | 新日铁住金株式会社 | Reducer pass roll and reducer |
| CN107497860A (en) * | 2017-08-22 | 2017-12-22 | 苏州双金实业有限公司 | A kind of processing method that can improve stainless Steel Properties |
| CN109821902A (en) * | 2019-01-30 | 2019-05-31 | 北京首钢股份有限公司 | A kind of lateral lubricating ability location mode improving silicon steel edge profile |
-
2003
- 2003-03-27 CN CN 03229819 patent/CN2628172Y/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101011713B (en) * | 2007-01-25 | 2010-05-19 | 鞍钢股份有限公司 | Lubricating coiling method for improving surface quality of hot rolling coiling pinch roll |
| CN101652198B (en) * | 2007-02-08 | 2013-06-05 | 新日铁住金株式会社 | Reducer pass roll and reducer |
| CN102844127A (en) * | 2010-04-07 | 2012-12-26 | 新日本制铁株式会社 | Lubricating oil supply facility and lubricating oil supply method |
| CN102844127B (en) * | 2010-04-07 | 2015-04-01 | 新日铁住金株式会社 | Lubricating oil supply facility and lubricating oil supply method |
| CN107497860A (en) * | 2017-08-22 | 2017-12-22 | 苏州双金实业有限公司 | A kind of processing method that can improve stainless Steel Properties |
| CN109821902A (en) * | 2019-01-30 | 2019-05-31 | 北京首钢股份有限公司 | A kind of lateral lubricating ability location mode improving silicon steel edge profile |
| CN109821902B (en) * | 2019-01-30 | 2020-09-25 | 北京首钢股份有限公司 | Method for improving transverse lubricating capability distribution of edge profile of silicon steel |
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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 | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20130327 Granted publication date: 20040728 |