CN103658180B - The operating method of many roll shape multi-stage rolling mills and many roll shape multi-stage rolling mills - Google Patents
The operating method of many roll shape multi-stage rolling mills and many roll shape multi-stage rolling mills Download PDFInfo
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- CN103658180B CN103658180B CN201310387246.4A CN201310387246A CN103658180B CN 103658180 B CN103658180 B CN 103658180B CN 201310387246 A CN201310387246 A CN 201310387246A CN 103658180 B CN103658180 B CN 103658180B
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Abstract
The present invention is a kind of working roll with rolling in-process stock（3）And support the working roll（3）Backing roll（5）Many roll shape multi-stage rolling mills（1）Operating method, by backing roll（5）It can arrange with being shifted on above-below direction and/or horizontal direction；In stocking（2）Fracture when, to make working roll（3）To away from the movement of the direction of stocking, make outermost backing roll（5）In, backing roll along rolling direction most upstream side（5a）With the backing roll of most downstream side（5b）Shift in the horizontal direction and to departing direction.By such operating method, in the fracture of stocking, the rapid release of stocking can be reliably carried out.
Description
Technical field
The present invention relates to when stocking is broken in rolling, space between working roll can be made to become big, turn into stocking to release
Put many roll shape multi-stage rolling mills of state and the operating method of many roll shape multi-stage rolling mills.
Background technology
As is known, multi-stage rolling mill is used when the stockings such as light sheet or foil are rolled.As multi-stage rolling mill, typically
Using supporting working roll intermediate calender rolls and supporting intermediate calender rolls backing roll as grape cluster with fan cut " many roll shapes it is many
Level milling train ".
In many roll shape multi-stage rolling mills, the situation that the strip thickness control of stocking is carried out in rolling is more.For example it may be used at
Method for controlling thickness disclosed in Japanese Unexamined Patent Publication 2012-130937 etc..Based on the sky calculated by the control method
, will be for making the hydraulic pressure pressure that the backing roll in the downside center for being provided in stocking is moved up and down during space between gap quantitative change more working roll
Lower device driving.
In many roll shape multi-stage rolling mills, there are 6 grades, 12 grades, 20 grades etc. of species, for example, many roll shapes on 12 grades are multistage
The specific structure of milling train and the outfit position of holding-down device of hydraulic etc., " very thin stainless steel foil KT milling trains, upper China fir etc., god
It is disclosed in detail in family steel skill report, Vol.59, No.2, Aug. 2009 " Figure 10 etc..
But, when using such many roll shape multi-stage rolling mill rolling in-process stocks are disclosed in the above documents, although very rare
See, but have in rolling stocking fracture etc. failure situation.Particularly, in plate rolling, typically there is thickness of slab thinner
The tendency that then possibility that possibility is higher, plate is broken in light sheet in below 1mm of plate fracture is uprised.
In the case where there occurs the fracture defect of stocking, the feelings of 12 grades of multi-stage rolling mills as Figure 10 of above-mentioned document
Under condition, holding-down device of hydraulic is acted as quickly as possible, the backing roll for being provided in downside center is pushed downwards, makes working roll
Between space become big, the situation that stocking is bitten into working roll is released（Carry out the rapid release of stocking）.Pass through the stocking
Rapid release, the injury to milling train when can plate be broken is mitigated or eliminated.
But, in rapid release, only acted, released by the holding-down device of hydraulic for the backing roll for making to be provided in downside center
High-volume（Pore volume between working roll）For 1~2mm or so, and seldom.Therefore, by the release band of stocking come, plate be broken when
Mitigation effect from the injury to milling train according to the thickness of slab of stocking also have deficiency situation.
The content of the invention
So, the present invention is in view of the above problems, it is therefore an objective to provide space between the working roll of the rapid release by making stocking
Become big also accelerate rate of release in addition, the injury to milling train during the fracture of stocking is mitigated as much as possible and plate is broken
The processing of piece becomes the operating method of readily many roll shape multi-stage rolling mills and many roll shape multi-stage rolling mills.
In order to achieve the above object, in the present invention using following technological means.
Many roll shape multi-stage rolling mills for the present invention, have：Working roll, rolling in-process stock；Backing roll, supports above-mentioned work
Roller；Roller clearance position controlling organization, makes above-mentioned backing roll at least one side's upward displacement of above-below direction and horizontal direction；With
And relieving mechanism, in the fracture of above-mentioned stocking, to make above-mentioned working roll be moved to away from the direction of stocking, make above-mentioned roller space
Position control mechanism is acted so that in outermost above-mentioned backing roll, above-mentioned backing roll along rolling direction most upstream side
Shifted in the horizontal direction and to departing direction with the above-mentioned backing roll of most downstream side.
Preferably, above-mentioned roller clearance position controlling organization is at least disposed in the above-mentioned backing roll than stocking side on the lower
On.
Another many roll shape multi-stage rolling mills for the present invention, have：Working roll, rolling in-process stock；Backing roll, supports above-mentioned work
Make roller；Roller clearance position controlling organization, makes above-mentioned backing roll shift in the vertical direction；And relieving mechanism, to make above-mentioned work
Make roller to move to away from the direction of stocking, act above-mentioned roller clearance position controlling organization, so that outermost above-mentioned backing roll
In, above-mentioned supporting between the above-mentioned backing roll and the above-mentioned backing roll of most downstream side along rolling direction most upstream side
Roller is in the vertical direction and to away from the displacement of the direction of above-mentioned working roll.
In above-mentioned each many roll shape multi-stage rolling mills, it is preferred that above-mentioned roller clearance position controlling organization has：Wedge portion part,
There is cleat shape in the longitudinal direction, and be equipped with along the axis direction of above-mentioned backing roll；Drive division, is located at above-mentioned wedge portion
The base end side of part, makes axis direction of the above-mentioned wedge portion part along above-mentioned backing roll retreat.
The operating method of many roll shape multi-stage rolling mills for the present invention, is on working roll and supporting with rolling in-process stock
The operating method of many roll shape multi-stage rolling mills of the backing roll of working roll is stated, can be in above-below direction and level side by above-mentioned backing roll
Arrange upward displacement；In the fracture of above-mentioned stocking, to make above-mentioned working roll be moved to away from the direction of stocking, make outermost
Above-mentioned backing roll in, along the above-mentioned backing roll of rolling direction most upstream side and the above-mentioned backing roll of most downstream side in level
Shifted on direction and to departing direction.
Preferably, in addition to aforesaid operations, also make it is in above-mentioned outermost above-mentioned backing roll, positioned at along rolling
Above-mentioned backing roll between the above-mentioned backing roll of direction most upstream side and the above-mentioned backing roll of most downstream side in the vertical direction and
To away from the displacement of the direction of above-mentioned working roll.
Preferably, at least make than above-mentioned stocking on the lower side above-mentioned backing roll above-mentioned stocking fracture shift.
The operating method of another many roll shape multi-stage rolling mills for the present invention, is working roll and branch with rolling in-process stock
The operating method of many roll shape multi-stage rolling mills of the backing roll of above-mentioned working roll is held, above-mentioned backing roll can be moved in the vertical direction
Position ground is arranged；In the fracture of above-mentioned stocking, to make above-mentioned working roll be moved to away from the direction of stocking, make outermost above-mentioned
It is in backing roll, upper between the above-mentioned backing roll and the above-mentioned backing roll of most downstream side along rolling direction most upstream side
State backing roll in the vertical direction and shifted to away from the direction of above-mentioned working roll.
By using many roll shape multi-stage rolling mills and the operating method of many roll shape multi-stage rolling mills of the present invention, make the rapid of stocking
Space becomes big between working roll during release, also accelerates rate of release in addition, during fracture thus, it is possible to mitigate stocking as far as possible
To the injury of milling train, and the processing of plate split pieces is set to become easy.
Brief description of the drawings
Fig. 1 is to show schematically many roll shape multi-stage rolling mills about the 1st embodiment（12 grades）Front view.
Fig. 2 is the stereogram for representing roller clearance position controlling organization.
Fig. 3 is the figure for representing to have been carried out the motion of each roller in the case of rapid release by many roll shape multi-stage rolling mills.
Fig. 4 is the figure for illustrating the result that rapid release has been carried out by many roll shape multi-stage rolling mills of the 1st embodiment.
Fig. 5 is the figure for illustrating the result that rapid release has been carried out by many roll shape multi-stage rolling mills of the 1st embodiment.
Fig. 6 is the figure for illustrating the result that rapid release has been carried out by many roll shape multi-stage rolling mills of the 1st embodiment.
Fig. 7 is to show schematically many roll shape multi-stage rolling mills about the 2nd embodiment（12 grades）Front view.
Embodiment
Hereinafter, based on brief description of the drawings embodiments of the present invention.
In addition, in the following description, identical reference is assigned for identical part.Their title and function
Also it is identical.Thus, do not repeat on their detailed description.
［ the 1st embodiment ］
Fig. 1 is to represent many roll shape multi-stage rolling mills 1 for the present invention（After, also there is single situation for being referred to as multi-stage rolling mill）'s
Figure, is 12 grades of milling trains.
Multi-stage rolling mill 1 is that the blank material of stainless steel, copper, titanium, nickel etc. is carried out into cold working and rolls and is processed as sheet material or foil
Device, the working roll 3 of lower a pair of configurations with more than.
Each working roll 3 is by multiple（Two）Intermediate calender rolls 4 are supported, and intermediate calender rolls 4 are by positioned at outermost multiple（3）Backing roll
5 supportings.In other words, as shown in figure 1, intermediate calender rolls 4 and backing roll 5 be centered on working roll 3,3 as grape cluster with fan-shaped
The configuration of expansion（Many roll shapes）.In addition, outermost described here, is to be in the meaning away from the farthest position of working roll 3.
Outermost backing roll 5 is rotatably supported on milling train housing 7 via the e axle supporting portion 6 for being built-in with bearing etc.
On, the motor driven of intermediate calender rolls 4 contacted with working roll 3（It is not shown）Driving.
Stocking 2 is from upstream side（Fig. 1 left side）Towards downstream（Fig. 1 right side）By between above-mentioned a pair of working rolls 3,3,
It is rolled in the thickness direction thereof.Entering side and go out side in working roll 3, is respectively equipped with for smoothly being guided along rolling pathways
The band guide mechanism 8 of stocking 2.
In addition, possess roller clearance position controlling organization 10 in many roll shape multi-stage rolling mills 1 of present embodiment, it is described
Roller clearance position controlling organization 10 is in order that working roll 3,3 is in the direction of the rolling direction along stocking 2（Also it is denoted as level side
To situation）Or the direction intersected with the rolling direction of stocking 2（Also there is the situation for being denoted as above-below direction）Upper movement and make supporting
Roller 5 is shifted.In addition, provided with making backing roll 5 move up and down, adjusting the holding-down device of hydraulic 9 of pore volume between working roll 3,3.
In the case of present embodiment, holding-down device of hydraulic 9 is on backing roll 5c, and the backing roll 5c is located in the downside of stocking 2
Centre.
As shown in figure 1, roller clearance position controlling organization 10 is equipped on backing roll 5a.Backing roll 5a is to be located at stocking 2
Downside outermost backing roll, be along rolling direction be located at most upstream side backing roll.Equally, in the branch of most downstream side
Roller clearance position controlling organization 10 is also equipped with runner 5b.
It is configured to, by by each connecting move control of roller clearance position controlling organization 10, making backing roll 5a, 5b mutually to phase negative side
To displacement.I.e., in Fig. 1, backing roll 5a, the 5b represented at center with "+" by roller clearance position controlling organization 10 is in level
Square upward displacement is so that it deviates from.Away from when amount of movement can also in backing roll 5a, 5b it is different, but it is preferred that same amount.
In fig. 2, three-dimensionally represent the roller clearance position controlling organization 10 of the backing roll 5a movements of most upstream side.Fig. 2
The left obliquely downward of paper part be mechanism front, be the part occurred in Fig. 1.
As shown in the drawing, backing roll 5a is rotated in the form of the 1st supporting mass 11 along long size shape via e axle supporting portion 6
It is supported on freely on the 1st supporting mass 11.The rear side of 1st supporting mass 11（Side opposite with backing roll 5a）For along backing roll
The inclined plane 12 of 5a axis direction.Predetermined distance is separated with the inclined plane 12, equipped with the tabular, simultaneously for being formed as long size
And it is fixed on the 2nd supporting mass 13 on milling train housing 7.In the 1st supporting mass 11（The inclined plane 12 of 1st supporting mass 11）With the 2nd
Hold between body 13, be in the wedge portion part 14 of cleat shape in length direction（Chock part 14）Axis direction along backing roll 5a enters
Move back freely.On the two sides of wedge portion part 14, in order to reduce resistance to sliding, making the high-speed mobile of wedge portion part 14 and configure slip needle roller axle
Hold 18.
Wedge portion part 14 is by the drive division 15 for being located at its base end side（Such as hydraulic cylinder）Retreat and drive, if wedge portion part 14 enters
（It is inserted between supporting mass 11,13）, then the gap of the 1st supporting mass 11 and the 2nd supporting mass 13 open, and then, backing roll 5a is to arrow
Head A sides（Rolling direction downstream）It is mobile.If wedge portion part 14 is exited（Extracted between supporting mass 11,13）, then the 1st supporting mass 11
Diminish with the gap of the 2nd supporting mass 13, and then, backing roll 5a is to arrow B sides（Rolling direction upstream side）It is mobile.Wedge portion part 14
Amount of movement is detected that drive division 15 is carried out position control at high speed by servo valve 16 by position sensor 17.
We were telling you, it is described in detail in the invention problem to be solved, when stocking 2 is rolled using many roll shape milling trains 1,
Although very rare, have in rolling stocking 2 fracture etc. failure situation.In the case, fill hydraulic pressing
Put 9 to act as quickly as possible, backing roll 5c is pushed downwards, the holding-down device of hydraulic 9 is arranged on to be provided in and leaned on than stocking 2
It is in 3 backing rolls 5 of lower side, along on the centrally located backing roll 5c of rolling direction.In addition, in present embodiment
In, in the fracture of stocking 2, act roller clearance position controlling organization 10 so that the downside in stocking 2, along rolling side
Backing roll 5a to most upstream side and the backing roll 5b along rolling direction most downstream side are in the horizontal direction and to departing direction
Displacement.
With the action, the working roll 3 contacted on the lower surface of stocking 2 declines downwards, the pore volume between working roll 3
Become big, the situation that stocking 2 is bitten into working roll 3 is released.This is referred to as and " carries out the rapid release of stocking 2（Quickly beat
Open）”.By the rapid release, the injury to multi-stage rolling mill 1 when can plate be broken is mitigated or eliminated, and can make plate
The processing of split pieces becomes easy.
Specifically, as shown in figure 3, when there occurs the failure of the fracture of the stocking 2 in rolling etc., promptly making backing roll
5a is moved towards upstream side in the horizontal direction.Meanwhile, backing roll 5b is moved in the horizontal direction towards downstream.Now,
Make the also rapid driving of holding-down device of hydraulic 9, backing roll 5c is moved downward.Then, it is middle as shown in Fig. 3 chain-dotted line
Roller 4 is moved downwards in the way of mutually deviating from, and the working roll 3 for the state being positioned on the intermediate calender rolls 4 is downwards（Rolled with remote
The mode of material 2）Displacement D, realizes the rapid release of stocking 2.
That is, for the fracture defect for tackling stocking 2, backing roll 5 can be shifted ground on above-below direction and/or horizontal direction
Arrange, make the backing roll 5a and the backing roll 5b of most downstream side along rolling direction most upstream side in outermost backing roll 5
Shift in the horizontal direction and to departing direction.Such shifting function can also be matched with, is made in outermost backing roll 5
Backing roll 5c between the backing roll 5a and the backing roll 5b of most downstream side along rolling direction most upstream side is in upper and lower
Shift upwards and to away from the direction of working roll 3.
Such control for being released through relieving mechanism (not shown) rapidly is carried out.Of the relieving mechanism from detection stocking 2
The tension force test section of power（It is not shown）Receive signal, strongly reduced by tension force in rolling or multiple plates in roll line
Turn into abnormal situation of the speed difference contemplated etc. in velocity measuring, it is known that stocking 2 has been broken.When detecting that stocking 2 has been broken,
Promptly act roller clearance position controlling organization 10, carry out the rapid release of stocking 2.In addition, recognizing stocking 2 in operator
Fracture in the case of, can also operator itself with manually operated relieving mechanism.
In Fig. 4, the curve map of the example of the situation for the rapid release for representing present embodiment is presented.
As shown in figure 4, in the case where making the action of roller clearance position controlling organization 10 of present embodiment, such as chain-dotted line institute
Show like that, in about 5 seconds, pore volume increase 4mm（It is released 4mm）.Now, if the hydraulic pressing dress possessed since making in the past
Put 9 single movements, then it is shown in dotted line, in void amount increase 1mm increases in about 0.5 second.So, if making the roller offsetting mechanism
10 and holding-down device of hydraulic 9 act simultaneously, then 5mm rapid release can be realized in about 5 seconds, stocking can be mitigated as far as possible
The injury to milling train during 2 fracture.
The amount of movement of the backing roll 5 brought by roller clearance position controlling organization 10 can be according to the inclined plane 12 of wedge portion part 14
Inclined degree, the advance and retreat amount of wedge portion part 14 changes.In addition, the flexible stroke by changing holding-down device of hydraulic 9, Neng Gougai
Become the amount of movement of the backing roll 5 brought by holding-down device of hydraulic 9.In addition, the mobile speed of itself of roller clearance position controlling organization 10
Degree can also be accelerated by making the translational speed of drive division 15 accelerate, if making the mobile speed of roller clearance position controlling organization 10
Degree accelerates, then the translational speed of backing roll 5 also accelerates.
Fig. 5 is the amount of movement of the backing roll 5 brought by roller clearance position controlling organization 10 become greater to 6mm, made by hydraulic pressure
The amount of movement for the backing roll 5 that screwdown gear 9 is brought also become greater to 2mm situation.
In the example of fig. 5, in the case where acting roller clearance position controlling organization 10, as indicated by chain dotted lines,
In about 5 seconds void amount increase 6mm（It is released 6mm）.Now, if the holding-down device of hydraulic 9 possessed since making in the past is independent
Action, then it is shown in dotted line, in about 1 second void amount increase 2mm.So, if making the roller offsetting mechanism 10 and hydraulic pressing
Device 9 is acted simultaneously, then 8mm rapid release can be realized in about 5 seconds, when can reliably mitigate the fracture of stocking 2
To the injury of milling train.
Fig. 6 example is the example for making the movement of the backing roll 5 brought by roller clearance position controlling organization 10 accelerate.
As shown in the example of Figure 6, it is as indicated by chain dotted lines, hollow at about 2 seconds in the case where acting roller offsetting mechanism 10
Gap amount increases 6mm（It is released 6mm）.Make the speed of holding-down device of hydraulic 9 identical with Fig. 5 situation, it is shown in dotted line, about 1
Second void amount increase 2mm.So, if make the roller offsetting mechanism 10 and holding-down device of hydraulic 9 act simultaneously, at about 2 seconds
In can realize 8mm rapid release, can reliably mitigate the injury to milling train during the fracture of stocking 2.
As previously discussed, by using the multi-stage type milling train for possessing roller clearance position controlling organization 10, can reliably it enter
The rapid release of row stocking 2, can mitigate the injury to milling train during the fracture of stocking 2 as much as possible.
In addition, in Fig. 1, exemplified with the roller space for making backing roll 5a, 5b in the horizontal direction and being shifted to departing direction
Position control mechanism 10 and the holding-down device of hydraulic 9 being located on the backing roll 5c in downside center are acted simultaneously, but it is also possible to by roller
Clearance position controlling organization 10 is provided on backing roll 5d, 5e of the upside of stocking 2.That is, the backing roll of displacement can also be made
For backing roll 5a~5c than the side on the lower of stocking 2, the backing roll that can also make displacement is than the backing roll of the side by the top of stocking 2
5d~5f.The backing roll that displacement can also be made is than the backing roll 5a~5c of side and than the side by the top of stocking 2 on the lower of stocking 2
Both backing roll 5d~5f.
In a word, as the 1st embodiment, by setting roller clearance position controlling organization 10 on the backing roll 5 of lower section,
Pore volume can be discharged 2~8mm or so., can be by by making holding-down device of hydraulic 9 be acted together with the roller offsetting mechanism 10
Pore volume discharges 3~10mm or so.
In addition, by than the backing roll 5 of stocking 2 on the lower and the backing roll 5 than stocking 2 by the top both（Double type）
Upper setting roller offsetting mechanism 10, can discharge 4~16mm or so by pore volume.By making holding-down device of hydraulic 9 and the double type
Roller clearance position controlling organization 10 is acted together, pore volume can be discharged into 5~18mm or so.
That is, by making the backing roll 5 of higher level's side end by roller clearance position controlling organization 10 in the horizontal direction and supporting or opposing
From direction displacement, also can reliably carry out the rapid release of stocking 2, when can mitigate the fracture of stocking 2 as far as possible to rolling
The injury of machine.
［ the 2nd embodiment ］
The 2nd embodiment of many roll shape multi-stage rolling mills for the present invention is represented in the figure 7.
In many roll shape multi-stage rolling mills, roller clearance position controlling organization 10 is provided with for the backing roll 5f of central upper.
The structure of the roller clearance position controlling organization 10 is roughly the same with the structure of the 1st embodiment.Difference is in central upper
Backing roll 5f upper side is equipped with wedge portion part 14.By the advance and retreat of the wedge portion part 14, backing roll 5c is moved up and down.
In detail, the backing roll 5f of central upper is with along the 1st supporting mass of the long size shape of the side of being equipped thereon side
Form rotatably supported via e axle supporting portion.The more top side of 1st supporting mass（Side opposite with backing roll 5f）For
Along the inclined plane of backing roll 5f axis direction.Predetermined distance is separated with the inclined plane, equipped with being formed as the flat of long size
Tabular and the 2nd supporting mass being fixed on milling train housing 7.Between the 1st supporting mass and the 2nd supporting mass, in the longitudinal direction
Axis direction in the wedge portion part 14 of cleat shape along backing roll 5f is free to advance or retreat.Retreated by wedge portion part 14, backing roll 5f
Move up and down.
In addition, the holding-down device of hydraulic 9 that pore volume is changed to carry out strip thickness control, which is located at, is provided in downside center
On backing roll 5c.
In many roll shape multi-stage rolling mills of the 2nd embodiment shown in Fig. 7, also fracture of stocking 2 in rolling etc.
Failure when, act roller clearance position controlling organization 10, be promptly moved upward the backing roll 5 of central upper.Then,
Intermediate calender rolls 4 deviate from and moved, and configuration can be upward in the working roll 3 of the state of the bottom of the intermediate calender rolls 4（With away from stocking 2
Mode）It is mobile, can be by void enlargement between working roll.Meanwhile, if making the holding-down device of hydraulic 9 of the backing roll 5 in downside center
Also promptly drive, the backing roll 5 in downside center is moved downward, then can realize rapid space release（2~4mm
The space release of left and right）.
I.e., it is possible to be that can arrange backing roll 5 with shifting in the vertical direction, by outermost backing roll 5, position
Backing roll 5c, 5f between backing roll 5a, 5d and backing roll 5b, 5e of most downstream side along rolling direction most upstream side exist
Shifted on above-below direction and to away from the direction of working roll 3.
In addition, the action of many roll shape multi-stage rolling mills other than the above and the action effect played and the 1st embodiment are big
Cause likewise, so detailed description is omitted.
But, as the variation of the 2nd embodiment, wedge portion part is equipped with the backing roll 5c in downside center lower side
14, the holding-down device of hydraulic that pore volume is changed to carry out strip thickness control is set on the backing roll 5f for being provided in central upper
9, roughly the same action is also carried out, roughly the same action effect is played.
In addition, embodiment disclosed herein is all to illustrate in terms of whole, and it is not considered as restricted.It is special
It is not, in embodiment disclosed herein, without expressly disclosed item, such as operating condition or operating condition, various
Parameter, the size of construct, weight, volume etc., as long as this can not just be departed from using common those skilled in the art
Scope that the technical staff in field generally implements and the value being easy to imagine that.
Industrial applicability
The present invention is suitable for many roll shape multi-stage rolling mills.
Claims (8)
1. a kind of many roll shape multi-stage rolling mills, it is characterised in that have：
Working roll, rolling in-process stock；
Backing roll, supports above-mentioned working roll；
Roller clearance position controlling organization, makes above-mentioned backing roll at least one side's upward displacement of above-below direction and horizontal direction；
And
Relieving mechanism, when above-mentioned stocking is broken, to make above-mentioned working roll discharge above-mentioned to release to away from the direction of stocking
The situation that stocking is bitten by above-mentioned working roll, acts above-mentioned roller clearance position controlling organization, so that outermost above-mentioned supporting
It is in roller, along rolling direction most upstream side above-mentioned backing roll and most downstream side above-mentioned backing roll in the horizontal direction each other
Shifted to departing direction.
2. many roll shape multi-stage rolling mills as claimed in claim 1, it is characterised in that
Above-mentioned roller clearance position controlling organization is at least disposed in than on the stocking on the lower above-mentioned backing roll of side.
3. a kind of many roll shape multi-stage rolling mills, it is characterised in that have：
Working roll, rolling in-process stock；
Backing roll, supports above-mentioned working roll；
Roller clearance position controlling organization, makes above-mentioned backing roll shift in the vertical direction；And
Relieving mechanism, when above-mentioned stocking is broken, to make above-mentioned working roll discharge above-mentioned to release to away from the direction of stocking
The situation that stocking is bitten by above-mentioned working roll, acts above-mentioned roller clearance position controlling organization, so that outermost above-mentioned supporting
Above-mentioned branch in roller, between the above-mentioned backing roll and the above-mentioned backing roll of most downstream side along rolling direction most upstream side
Runner is in the vertical direction and to away from the displacement of the direction of above-mentioned working roll.
4. such as many roll shape multi-stage rolling mills according to any one of claims 1 to 3, it is characterised in that
Above-mentioned roller clearance position controlling organization has：
Wedge portion part, in the longitudinal direction with cleat shape, and is equipped with along the axis direction of above-mentioned backing roll；
Drive division, is located at the base end side of above-mentioned wedge portion part, axis direction of the above-mentioned wedge portion part along above-mentioned backing roll is retreated.
5. a kind of operating method of many roll shape multi-stage rolling mills, is working roll and the above-mentioned working roll of supporting with rolling in-process stock
The operating method of many roll shape multi-stage rolling mills of backing roll, it is characterised in that
By above-mentioned backing roll can above-below direction and horizontal direction at least one side's upward displacement arrange；
When above-mentioned stocking is broken, to make above-mentioned working roll discharge above-mentioned to release above-mentioned stocking to away from the direction of stocking
The situation that working roll bites, make it is in outermost above-mentioned backing roll, along rolling direction most upstream side above-mentioned backing roll and
The above-mentioned backing roll of most downstream side is shifted to departing direction each other in the horizontal direction.
6. the operating method of many roll shape multi-stage rolling mills as claimed in claim 5, it is characterised in that
Make it is in above-mentioned outermost above-mentioned backing roll, positioned at the above-mentioned backing roll along rolling direction most upstream side and most downstream
Above-mentioned backing roll between the above-mentioned backing roll of side is in the vertical direction and to away from the displacement of the direction of above-mentioned working roll.
7. the operating method of many roll shape multi-stage rolling mills as described in claim 5 or 6, it is characterised in that
At least make than above-mentioned stocking on the lower side above-mentioned backing roll above-mentioned stocking fracture shift.
8. a kind of operating method of many roll shape multi-stage rolling mills, is working roll and the above-mentioned working roll of supporting with rolling in-process stock
The operating method of many roll shape multi-stage rolling mills of backing roll, it is characterised in that
Above-mentioned backing roll can be arranged with shifting in the vertical direction；
When above-mentioned stocking is broken, to make above-mentioned working roll discharge above-mentioned to release above-mentioned stocking to away from the direction of stocking
The situation that working roll bites, make it is in outermost above-mentioned backing roll, positioned at the above-mentioned supporting along rolling direction most upstream side
Above-mentioned backing roll between roller and the above-mentioned backing roll of most downstream side is in the vertical direction and to the direction away from above-mentioned working roll
Displacement.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2012190162 | 2012-08-30 | ||
| JP2012-190162 | 2012-08-30 | ||
| JP2013014425A JP6037853B2 (en) | 2012-08-30 | 2013-01-29 | Cluster type multi-high rolling mill and operation method of cluster type multi-high rolling mill |
| JP2013-014425 | 2013-01-29 |
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| Publication Number | Publication Date |
|---|---|
| CN103658180A CN103658180A (en) | 2014-03-26 |
| CN103658180B true CN103658180B (en) | 2017-10-24 |
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| CN201310387246.4A Active CN103658180B (en) | 2012-08-30 | 2013-08-30 | The operating method of many roll shape multi-stage rolling mills and many roll shape multi-stage rolling mills |
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|---|---|---|---|---|
| CN106140822B (en) * | 2015-03-30 | 2019-04-12 | 宝钢不锈钢有限公司 | A kind of position feedback device and its position feedback control method of multi-roll mill working roll |
| CN105414202A (en) * | 2015-12-30 | 2016-03-23 | 邢台海裕锂能电池设备有限公司 | Rolling mill and rolling system capable of realizing online clearance adjustment |
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| CH657547A5 (en) * | 1982-08-31 | 1986-09-15 | Escher Wyss Ag | ROLLING MILL FOR A RAIL-SHAPED MATERIAL. |
| JPH02235510A (en) * | 1989-03-09 | 1990-09-18 | Kobe Steel Ltd | Device for correcting shape in multi roll mill |
| DE69209043T2 (en) * | 1991-12-27 | 1996-11-14 | Hitachi Ltd | Rolling mill, rolling process and rolling mill system |
| JP5669403B2 (en) * | 2009-01-20 | 2015-02-12 | 株式会社神戸製鋼所 | Cluster-type multi-high rolling mill with roll offset mechanism |
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