CN203184336U - Roll bending and shifting device of rolling mill - Google Patents
Roll bending and shifting device of rolling mill Download PDFInfo
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- CN203184336U CN203184336U CN 201320204637 CN201320204637U CN203184336U CN 203184336 U CN203184336 U CN 203184336U CN 201320204637 CN201320204637 CN 201320204637 CN 201320204637 U CN201320204637 U CN 201320204637U CN 203184336 U CN203184336 U CN 203184336U
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Abstract
The utility model discloses a roll bending and shifting device of a rolling mill with a large opening degree. The roll bending and shifting device comprises roll bending blocks and bending and shifting blocks, wherein the roll bending blocks are installed on the transmission side of a machine frame, and the bending and shifting blocks are installed on the operation side of the machine frame. The roll bending blocks and the bending and shifting blocks are all provided with roll bending hydraulic cylinders which push work roll bearing pedestals in the thickness direction of a rolled steel plate, the bending and shifting blocks are further provided with roll shifting hydraulic cylinders which are distributed in the axial direction of work rolls, and piston rods of the roll shifting hydraulic cylinders are fixedly installed on roll shifting supports. The roll bending and shifting device of the rolling mill further comprises a locking device, wherein the bending and shifting blocks and the work roll bearing pedestals are fixed together through the locking device. The bending and shifting blocks of the roll bending and shifting device of the rolling mill are provided with not only the roll bending hydraulic cylinders but also the roll shifting hydraulic cylinders, so that the roll bending and shifting device of the rolling mill not only has the function of roll bending but also has the function of roll shifting. In addition, a roll bending device can move along with a roll shifting device in the axial direction of the work rolls, the application point of roll bending force coincides with the centers of bearings of the work rolls all the time, and the bearings will not bear the force moment of eccentric load.
Description
Technical field
The utility model relates to roller mill roll bending and shifting device in a kind of metallurgical machinery sector, particularly is applicable to the roll bending and shifting roller arrangement of big opening degree milling train.
Background technology
Strip-mill strip in order to reach the purpose of control panel shape, raising strip shape quality, has adopted several different methods and means to improve, to control the roll gap convexity in the operation of rolling.Hydraulic bending roll, roll shifting device are convenient to real-time control, can change roll gap shape rapidly, are had stronger plate shape control ability and be widely used with it.
The roller cylinder has two kinds of mounting means usually at vertical direction: a kind of is that relative frame is fixed, and this mode is not suitable for big opening degree milling train; Another kind is mounted in top backing up roll bearing block bottom, as patent 200920015192.8 and 201010281795.X, not influenced by the milling train opening degree, but does not have the roll shifting function.
Roll shifting device and roll-bending device are combined with two kinds of versions: a kind of is that roll-bending device moves axially with the working roll assembling, and shaft strength point is constant, no unbalance loading moment; Another kind is that roll-bending device is to fix, and do not move axially with working roll assembling, thereby the bending roller force center is offset with the workroll bearing center when roll shifting, and generation unbalance loading moment influences workroll bearing service life.
Patent 200710203401.7 discloses a kind of roller mill roll bending and shifting device, roll-bending device is installed in top backing up roll bearing block bottom, when roll shifting, do not move axially with the working roll assembling, this patent adopts and regulates the roller cylinder pressure, changes the method that bending roller force is made a concerted effort, the bending roller force application point overlaps with the workroll bearing center when realizing roll shifting, eliminates the unbalance loading moment that bearing bears.These method existing problems: at first, the bending roller force center of making a concerted effort is changed, need to adjust two roller cylinders size of power output separately, must reduce to make a concerted effort, if make minimum make a concerted effort to satisfy the bending roller force requirement, then need each roller cylinder size is strengthened, the roll-bending device general structure is corresponding to be done greatly, cause that device structure is huge, weight increases, and is uneconomical; Secondly, the roller cylinder is motionless, guarantee roller with joint efforts by bearing centre, and the control difficulty is very big, poor operability; The 3rd, the roll shifting device is fixed on the frame, and when opening degree increases to a certain degree (more than 550mm), the latch of roll shifting device can't be locked working roll bearing block.Therefore, this patent is not suitable for big opening degree (＞550mm) milling train.
The utility model content
In view of this, the purpose of this utility model provides a kind of roller mill roll bending and shifting device, is applicable to big opening degree milling train, has the roll shifting function, roll-bending device can move axially with working roll, and the bending roller force point of resultant force overlaps with the workroll bearing center all the time, makes bearing not bear unbalance loading moment.
The purpose of this utility model is achieved through the following technical solutions:
A kind of roller mill roll bending and shifting device, comprise frame, the top backing up roll bearing block, be arranged on the roller bending block of frame transmission side and the curved piece of scurrying of fore side, described roller bending block comprises roller bending block and following roller bending block, the described curved piece of scurrying comprises curved piece and the following curved piece of scurrying of scurrying, described top backing up roll bearing block two side lower parts have L shaped adjutage, describedly go up roller bending block and upward curvedly scurry piece and be slidably mounted on the L shaped adjutage of top backing up roll bearing block two side lower parts, described down roller bending block and curvedly down scurry piece and be slidably mounted on the frame, described roller bending block and curved scurry piece and be provided with along the roller hydraulic cylinder of rolled plate thickness direction pushing tow working roll bearing block, described curved scurrying also is provided with on the piece along the axial arranged roll shifting hydraulic cylinder of working roll, described roll shifting hydraulic cylinder piston rod is fixedly installed on the frame, described roller mill roll bending and shifting device also comprises locking device, describedly curved scurries piece and working roll bearing block is fixed together by locking device;
Further, described locking device comprises being arranged on and curved scurry the locking hydraulic cylinder on the piece and be arranged on curved latch of scurrying between piece and the working roll bearing block draw-in groove;
Further, described roller mill roll bending and shifting device also comprises fixedly waist piece, and described fixedly waist piece is fixedly installed on the frame, and described fixedly waist piece has L shaped installation groove, described down roller bending block and down the curved piece of scurrying be slidably mounted in fixedly on the L shaped installation groove of waist piece;
Further, described roller mill roll bending and shifting device also comprises the roll shifting support, and described roll shifting support is installed in the top backing up roll bearing block of gantry operation side and fixedly on the waist piece, described roll shifting hydraulic cylinder piston rod is fixedly mounted on the roll shifting support.
The beneficial effects of the utility model are: of the present utility modelly curved scurry the function that namely has the roller hydraulic cylinder to have the roll shifting hydraulic cylinder to make the utility model not only have roller again on the piece and have the function of roll shifting simultaneously, roll-bending device can move axially with the roll shifting device in addition, the bending roller force point of resultant force overlaps with the workroll bearing center all the time, makes bearing not bear unbalance loading moment.
Other advantages of the present utility model, target and feature will be set forth to a certain extent in the following description, and to a certain extent, based on being apparent to those skilled in the art to investigating hereinafter, perhaps can from practice of the present utility model, obtain instruction.Target of the present utility model and other advantages can realize and obtain by following specification.
Description of drawings
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing the utility model is described in further detail, wherein:
Fig. 1 is the utility model structural front view;
Fig. 2 is A-A direction cutaway view of Fig. 1;
Fig. 3 is B-B direction cutaway view of Fig. 1.
The specific embodiment
Hereinafter with reference to accompanying drawing, preferred embodiment of the present utility model is described in detail.Should be appreciated that preferred embodiment only for the utility model is described, rather than in order to limit protection domain of the present utility model.
As shown in the figure, a kind of roller mill roll bending and shifting device, comprise frame 1, top backing up roll bearing block 2, be arranged on the roller bending block of frame transmission side and the curved piece of scurrying of fore side, described roller bending block comprises roller bending block 31 and following roller bending block 32, the described curved piece of scurrying comprises curved piece 41 and the following curved piece 42 of scurrying of scurrying, described top backing up roll bearing block two side lower parts have L shaped adjutage 21, describedly go up roller bending block 31 and upward curvedly scurry piece 41 and be slidably mounted on the L shaped adjutage 21 of top backing up roll bearing block two side lower parts, described down roller bending block 32 and curvedly down scurry piece 42 and be slidably mounted on the frame 1, described roller bending block and curved scurry piece and be provided with along the roller hydraulic cylinder 9 of rolled plate thickness direction pushing tow working roll bearing block, described curved scurrying also is provided with on the piece along the axial arranged roll shifting hydraulic cylinder 10 of working roll, described roll shifting hydraulic cylinder piston rod 11 is fixedly installed on roll shifting support 81, on 82, described roller mill roll bending and shifting device also comprises locking device, described curved scurry piece 41 and top working roll bearing block 51 and down curved piece 42 and the bottom working roll bearing block 52 of scurrying be fixed together by locking device.
In the present embodiment, curved scurry that existing roller hydraulic cylinder 9 has roll shifting hydraulic cylinder 10 again on the piece, the function that makes the utility model not only have roller has the function of roll shifting simultaneously, in addition since roller bending block and roll shifting piece all slidably, be that roll-bending device can move axially with the roll shifting device, the bending roller force point of resultant force overlaps with the workroll bearing center all the time, makes bearing not bear unbalance loading moment.
In the present embodiment, described locking device comprises being arranged on to bend scurries the locking hydraulic cylinder 61 on the piece and is arranged on curved latch 62 of scurrying between piece and the working roll bearing block draw-in groove; The locking device structure of this enforcement is simple, and locking effect is good.
In the present embodiment, described roller mill roll bending and shifting device also comprises fixedly waist piece 7, described fixedly waist piece 7 is fixedly installed on the frame 1, and described fixedly waist piece 7 has L shaped installation groove, described down roller bending block 32 and down the curved piece 42 of scurrying be slidably mounted on the L shaped installation groove of fixing waist piece 7; Fixedly waist piece 7 in this enforcement and together processing and manufacturing of frame 1, the installation accuracy height.
In the present embodiment, described roller mill roll bending and shifting device also comprises roll shifting support 81 and following roll shifting support 82, described go up on the top backing up roll bearing block 2 that roll shifting support 81 and following roll shifting support 82 be installed in the gantry operation side respectively with fixing waist piece 7 on, described roll shifting hydraulic cylinder piston rod 11 is fixedly mounted on the roll shifting support.
In the present embodiment, during the roller operation, after roller hydraulic cylinder rodless cavity fed hydraulic oil, the roller piston rod stretched out, and compresses upper and lower working roll bearing block 51,52, the flexural deformation that top working roll 53 and bottom working roll 54 are produced to a certain degree; Adjust hydraulic pressure size and piston rod stroke, can change the working roller bending deflection, thereby reach the purpose of control panel shape;
During the roll shifting operation, locking hydraulic cylinder 61 drives latch 62 and stretches out, and inserts in the locking slot of upper and lower working roll bearing block, 10 oil-feeds of roll shifting hydraulic cylinder, promote the curved piece motion of scurrying, drive working roll bearing block axially-movable together, realize that the upper and lower working roll 53 of milling train, 54 roll shifting regulate.
During roll change, locking hydraulic cylinder 61 drives latch 62 withdrawals, and latch 62 separates with upper and lower working roll bearing block; The withdrawal of roller piston rod, the top working roll assembling drops to the bottom working roll fit on, together pulls out by workroll change.
Explanation is at last, above embodiment is only unrestricted in order to the technical solution of the utility model to be described, although with reference to preferred embodiment the utility model is had been described in detail, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement the technical solution of the utility model, and not breaking away from aim and the scope of the technical program, it all should be encompassed in the middle of the claim scope of the present utility model.
Claims (4)
1. roller mill roll bending and shifting device, comprise frame, the top backing up roll bearing block, be arranged on the roller bending block of frame transmission side and the curved piece of scurrying of fore side, described roller bending block comprises roller bending block and following roller bending block, the described curved piece of scurrying comprises curved piece and the following curved piece of scurrying of scurrying, described top backing up roll bearing block two side lower parts have L shaped adjutage, describedly go up roller bending block and upward curvedly scurry piece and be slidably mounted on the L shaped adjutage of top backing up roll bearing block two side lower parts, described down roller bending block and curvedly down scurry piece and be slidably mounted on the frame, described roller bending block and curved scurry piece and be provided with along the roller hydraulic cylinder of rolled plate thickness direction pushing tow working roll bearing block, it is characterized in that: described curved scurrying also is provided with on the piece along the axial arranged roll shifting hydraulic cylinder of working roll, described roll shifting hydraulic cylinder piston rod is fixedly installed on the frame, described roller mill roll bending and shifting device also comprises locking device, describedly curved scurries piece and working roll bearing block is fixed together by locking device.
2. a kind of roller mill roll bending and shifting device according to claim 1 is characterized in that: described locking device comprises being arranged on curvedly scurries the locking hydraulic cylinder on the piece and is arranged on curved latch of scurrying between piece and the working roll bearing block draw-in groove.
3. a kind of roller mill roll bending and shifting device according to claim 1, it is characterized in that: also comprise fixedly waist piece, described fixedly waist piece is fixedly installed on the frame, described fixedly waist piece has L shaped installation groove, described down roller bending block and down the curved piece of scurrying be slidably mounted in fixedly on the L shaped installation groove of waist piece.
4. a kind of roller mill roll bending and shifting device according to claim 3, it is characterized in that: also comprise the roll shifting support, described roll shifting support is installed in the top backing up roll bearing block of gantry operation side and fixedly on the waist piece, described roll shifting hydraulic cylinder piston rod is fixedly mounted on the roll shifting support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320204637 CN203184336U (en) | 2013-04-22 | 2013-04-22 | Roll bending and shifting device of rolling mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320204637 CN203184336U (en) | 2013-04-22 | 2013-04-22 | Roll bending and shifting device of rolling mill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203184336U true CN203184336U (en) | 2013-09-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320204637 Expired - Lifetime CN203184336U (en) | 2013-04-22 | 2013-04-22 | Roll bending and shifting device of rolling mill |
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| Country | Link |
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| CN (1) | CN203184336U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104209321A (en) * | 2014-09-10 | 2014-12-17 | 中冶南方工程技术有限公司 | Double-rack six-roller UCM leveling and double cold reduction unit for production of tinned substrate |
| CN104741385A (en) * | 2015-04-14 | 2015-07-01 | 中冶赛迪工程技术股份有限公司 | Working roller bending device for double-roller rolling machine and roller bending force control method |
-
2013
- 2013-04-22 CN CN 201320204637 patent/CN203184336U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104209321A (en) * | 2014-09-10 | 2014-12-17 | 中冶南方工程技术有限公司 | Double-rack six-roller UCM leveling and double cold reduction unit for production of tinned substrate |
| CN104209321B (en) * | 2014-09-10 | 2016-04-20 | 中冶南方工程技术有限公司 | For the smooth double secondary cold-rolling unit of Stand Mill six roller UCM that tinning substrate is produced |
| CN104741385A (en) * | 2015-04-14 | 2015-07-01 | 中冶赛迪工程技术股份有限公司 | Working roller bending device for double-roller rolling machine and roller bending force control method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130911 |