CN103599938A - Four-roller mandrel pipe mill - Google Patents
Four-roller mandrel pipe mill Download PDFInfo
- Publication number
- CN103599938A CN103599938A CN201310641724.XA CN201310641724A CN103599938A CN 103599938 A CN103599938 A CN 103599938A CN 201310641724 A CN201310641724 A CN 201310641724A CN 103599938 A CN103599938 A CN 103599938A
- Authority
- CN
- China
- Prior art keywords
- tunnel type
- roll
- memorial archway
- type memorial
- rolling
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Landscapes
- Metal Rolling (AREA)
- Control Of Metal Rolling (AREA)
Abstract
The invention discloses a four-roller mandrel pipe mill which comprises a tunnel type memorial archway, rolling racks arranged along the central axis of the tunnel type memorial archway in sequence, roller fittings located inside the rolling racks and a transmission system used for driving all the roller fittings to rotate. Each mill rack is provided with four sets of roller fittings, all the roller fittings are respectively connected to a set of roller clearance adjusting device used for adjusting the roller clearance, the roller clearance adjusting device is fixed on the tunnel type memorial archway, and each rolling rack is further provided with a rolling changing device used for allowing the corresponding rolling rack to move back and forth in the central axis direction of the tunnel type memorial archway. Four rollers are driven independently, the speeds in the peripheral direction of steel pipes are good in consistency, deformation is even, a hole pattern is sealed better, the wall thickness precision of products is improved, rolling defects are reduced, and the specification range of products capable of being rolled is enlarged.
Description
Technical field
The invention belongs to metal shaping equipment field, relate to a kind of four roller continuous pipe rolling mills.
Background technology
In the rolling line of seamless steel pipe, milling train is the main extensional equipment of steel pipe; Existing four-high mill is all applied in sizing mill or opens and subtracts on machine, and this milling train is mainly used in controlling steel pipe appearance and size, and therefore, its roll is fixed, can not realize roll gap and regulate, therefore cannot apply on the tandem rolling tube machine of controlling thickness of steel pipe; Existing tandem rolling tube machine possess such as wall thickness accuracy, can roll the features such as scope, ratio of defects and cannot meet the more harsh market demand, therefore in the urgent need to a kind of can meeting the market requirement, there is higher levels of tandem rolling tube machine.
Summary of the invention
In view of this, the object of the present invention is to provide a kind of four roller continuous pipe rolling mills, this four roller continuous pipe rolling mill can overcome the defect of existing tandem rolling tube machine, compensates its defect, and guarantees the precision of rolled piece.
For achieving the above object, the invention provides a kind of four roller continuous pipe rolling mills, comprise tunnel type memorial archway, the rolling machine frame setting gradually along tunnel type memorial archway central axis, be positioned at roll assembling and the transmission system for driving each roll assembling to rotate of rolling machine frame, in each rolling machine frame, be provided with four groups of roll assemblings, each roll assembling connects respectively one group for regulating the roll gap adjustment device of roller gap, described roll gap adjustment device is fixed on tunnel type memorial archway, on described rolling machine frame, be also provided with and can supply rolling machine frame along the changing rig of tunnel type memorial archway central axial direction back and forth movement.
Further, described rolling machine frame comprises odd number frame and even number frame, in four groups of roll assemblings in described each odd number frame and even number frame, the roll axis of two groups of rolls assembling is with respect to 22.5 ° of the horizontal center line deflections of tunnel type memorial archway, and the roll axis of other two groups of rolls assembling is with respect to 22.5 ° of the vertical center line deflections of tunnel type memorial archway.
Further, described each roll assembling connects respectively one group of transmission system.
Further, in described tunnel type memorial archway, be provided with locking positioning piece and the locked hydraulic cylinder for positioning and locking rolling machine frame.
Further, described changing rig comprises guide wheel and the corresponding track sliding for guide wheel in described tunnel type memorial archway that is arranged on.
Beneficial effect of the present invention is: adopt four roller rolling mill practices, and four roll assembling drive, the circumferential direction speed high conformity of steel pipe, distortion evenly, pass seals more, has improved the wall thickness accuracy of product, has reduced rolling defect, can fine adjustment roll gap size, expanded and can roll range of product size; The assembling of roll in odd number frame and even number frame is with respect to the horizontal center line of tunnel type memorial archway or vertically 22.5 ° of center line deflections, and roll change is convenient; Therefore because roll gap adjustment device is fixed on tunnel type memorial archway, four roller gap control accuracy uniformity in single rolling machine frame are better, and the circumferential wall thickness accuracy of steel pipe is higher.
Accompanying drawing explanation
In order to make object of the present invention, technical scheme and beneficial effect clearer, the invention provides following accompanying drawing and describe:
Fig. 1 is the radially sectional drawing of the odd number frame in the present invention;
Fig. 2 is the radially sectional drawing of the even number frame in the present invention;
Fig. 3 is radial structure schematic diagram of the present invention;
Fig. 4 is axial arrangement schematic diagram of the present invention;
Fig. 5 is the structure enlarged drawing of odd number frame in Fig. 1.
The specific embodiment
Below in conjunction with accompanying drawing, the preferred embodiments of the present invention are described in detail.
As shown in the figure, four roller continuous pipe rolling mills described in the present embodiment, comprise tunnel type memorial archway 1 and the many groups rolling machine frame 2 setting gradually along tunnel type memorial archway 1 central axis, in every group of rolling machine frame 2, be equipped with four groups of roll assemblings 3, each roll assembling 3 connects respectively one group for regulating the roll gap adjustment device 4 of 3 roller gaps of roll assembling, is also provided with and can supplies rolling machine frame 2 along the changing rig of tunnel type memorial archway 1 central axial direction back and forth movement on rolling machine frame 2; Wherein roll gap adjustment device 4 is fixed on tunnel type memorial archway 1, roll gap adjustment device 4 has a consistent rigidity in the radial direction at tunnel type memorial archway 1 like this, can make the anglec of rotation of roll gap adjustment device 4 and the anglec of rotation of roll axis corresponding, guarantee accurately to realize the independence of each roller gap is effectively controlled.
Preferably, each roll in same rolling machine frame 2 assembles the rolling angle of 90 ° of 3 difference envelopes, lower single rolling envelope angle processed, the uniformity of circumferencial direction speed in the time of can improving seamless steel pipe and be rolled, while having reduced metal flow stress and strain, make the circumferential deformation uniformity of tubing better.
In the present embodiment, the rolling angle that each roll assembling 3 difference envelope is 90 °, 22.5 ° of each roll assembling 3 horizontal center lines with respect to tunnel type memorial archway 1 in odd number frame or the vertically counterclockwise deflections of center line, 22.5 ° of 3 clockwise deflections of roll assembling in even number frame, when carrying out roll exchange, odd number frame can be consistent with the roll pass of even number frame around the center line Rotate 180 ° of tunnel type memorial archway 1.
In the present embodiment, each roll assembling 3 connects respectively one group of transmission system, wherein transmission system comprise the drive unit 5 being fixedly installed and be connected to drive unit 5 and roll assembling 3 between shaft coupling 6, shaft coupling 6 is transported to the power of drive unit 5 in each roll assembling 3 of rolling machine frame 2, every group of roll assembling 3 is by transmission system drives independently, guarantees the synchronized rotation that each roll can be initiatively.
In tunnel type memorial archway 1, be provided with locking positioning piece 7 and locked hydraulic cylinder 8 for positioning and locking rolling machine frame 2; In the present embodiment, the corresponding tunnel type memorial archway of each rolling machine frame 21 top is provided with four for locating the locking positioning piece 7 of rolling machine frame 2, these four locking positioning pieces 7 are distributed in the vertical center line both sides of tunnel type memorial archway 1, the locking positioning piece 7 of one side is for realizing rolling machine frame 2 in the location of vertical direction, and the locking positioning piece 7 of opposite side is for realizing rolling machine frame 2 location in the horizontal direction; Tunnel type memorial archway 1 bottom is provided with four upwards locked hydraulic cylinders 8 on top, rolling machine frame 2 moves to behind place, location, top rolling machine frame 2 on four locked hydraulic cylinders 8, promoting rolling machine frame 2 moves straight up, after locating surface on rolling machine frame 2 contacts with four locking positioning pieces 7 arranging on tunnel type memorial archway 1, be lockable locked hydraulic cylinder 8, realize location and the locking of rolling machine frame 2 in tunnel type memorial archway 1.
The present invention is that the roll change that realizes roll assembling 3 by moving axially rolling machine frame 2 is moved, and therefore, the changing rig in the present embodiment comprises guide wheel 9 and the corresponding interior track 10 sliding for guide wheel 9 of described tunnel type memorial archway 1 that is arranged on; Guide wheel 9 is arranged on rolling machine frame 2, for guaranteeing the stability of guide wheel 9 in sliding process, each rolling machine frame 2 below in the present embodiment are equipped with four guide wheels 9, four guide wheels 9 are distributed in the vertical center line both sides of tunnel type memorial archway 1, wherein two of a side guide wheels 9 are flute profile guide wheel, two guide wheels 9 of an other side are flat guide wheel, a channel suspending rail of the corresponding layout in the tunnel type memorial archway 1 vertical center line left and right sides, below,, a plate rail road, after rolling machine frame 2 moves out along tunnel type memorial archway 1 axis direction, can carry out roll assembling 3 replacings and wait associative operation.
Finally explanation is, above preferred embodiment is only unrestricted in order to technical scheme of the present invention to be described, although the present invention is described in detail by above preferred embodiment, but those skilled in the art are to be understood that, can to it, make various changes in the form and details, and not depart from the claims in the present invention book limited range.
Claims (5)
1. a roller continuous pipe rolling mill, comprise tunnel type memorial archway, the rolling machine frame setting gradually along tunnel type memorial archway central axis, the roll assembling that is positioned at rolling machine frame and the transmission system for driving each roll assembling to rotate, it is characterized in that: in each rolling machine frame, be provided with four groups of roll assemblings, each roll assembling connects respectively one group for regulating the roll gap adjustment device of roller gap, described roll gap adjustment device is fixed on tunnel type memorial archway, is also provided with and can supplies rolling machine frame along the changing rig of tunnel type memorial archway central axial direction back and forth movement on described rolling machine frame.
2. four roller continuous pipe rolling mills according to claim 1, it is characterized in that: described rolling machine frame comprises odd number frame and even number frame, in four groups of roll assemblings in described each odd number frame and even number frame, the roll axis of two groups of rolls assembling is with respect to 22.5 ° of the horizontal center line deflections of tunnel type memorial archway, and the roll axis of other two groups of rolls assembling is with respect to 22.5 ° of the vertical center line deflections of tunnel type memorial archway.
3. four roller continuous pipe rolling mills according to claim 1, is characterized in that: described each roll assembling connects respectively one group of transmission system.
4. four roller continuous pipe rolling mills according to claim 1, is characterized in that: in described tunnel type memorial archway, be provided with locking positioning piece and the locked hydraulic cylinder for positioning and locking rolling machine frame.
5. four roller continuous pipe rolling mills according to claim 1, is characterized in that: described changing rig comprises guide wheel and the corresponding track sliding for guide wheel in described tunnel type memorial archway that is arranged on.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310641724.XA CN103599938B (en) | 2013-12-03 | 2013-12-03 | Four roller continuous pipe rolling mills |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310641724.XA CN103599938B (en) | 2013-12-03 | 2013-12-03 | Four roller continuous pipe rolling mills |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103599938A true CN103599938A (en) | 2014-02-26 |
| CN103599938B CN103599938B (en) | 2016-08-17 |
Family
ID=50118234
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310641724.XA Active CN103599938B (en) | 2013-12-03 | 2013-12-03 | Four roller continuous pipe rolling mills |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103599938B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111940511A (en) * | 2020-08-11 | 2020-11-17 | 衡阳华菱钢管有限公司 | Roller, pipe removing structure and pipe removing machine |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0565772A1 (en) * | 1992-04-15 | 1993-10-20 | INNSE INNOCENTI ENGINEERING S.p.A. | A rolling stand, having three driven and adjustable rollers |
| JPH105815A (en) * | 1996-06-26 | 1998-01-13 | Sumitomo Metal Ind Ltd | Method for rolling seamless steel tube |
| US5765423A (en) * | 1994-12-28 | 1998-06-16 | Innse Innocenti Engineering S.P.A. | Rolling unit for rolling rod-shaped or tubular bodies |
| CN103191922A (en) * | 2013-04-03 | 2013-07-10 | 中冶赛迪工程技术股份有限公司 | Four-roll sizing and reducing mill |
| CN203565471U (en) * | 2013-12-03 | 2014-04-30 | 中冶赛迪工程技术股份有限公司 | Four-roller continuous rolling pipe mill |
-
2013
- 2013-12-03 CN CN201310641724.XA patent/CN103599938B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0565772A1 (en) * | 1992-04-15 | 1993-10-20 | INNSE INNOCENTI ENGINEERING S.p.A. | A rolling stand, having three driven and adjustable rollers |
| CN1077665A (en) * | 1992-04-15 | 1993-10-27 | 因斯因勒申蒂工程有限公司 | Rolling-mill housing |
| US5765423A (en) * | 1994-12-28 | 1998-06-16 | Innse Innocenti Engineering S.P.A. | Rolling unit for rolling rod-shaped or tubular bodies |
| JPH105815A (en) * | 1996-06-26 | 1998-01-13 | Sumitomo Metal Ind Ltd | Method for rolling seamless steel tube |
| CN103191922A (en) * | 2013-04-03 | 2013-07-10 | 中冶赛迪工程技术股份有限公司 | Four-roll sizing and reducing mill |
| CN203565471U (en) * | 2013-12-03 | 2014-04-30 | 中冶赛迪工程技术股份有限公司 | Four-roller continuous rolling pipe mill |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111940511A (en) * | 2020-08-11 | 2020-11-17 | 衡阳华菱钢管有限公司 | Roller, pipe removing structure and pipe removing machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103599938B (en) | 2016-08-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204724660U (en) | A kind of rolling folding brake | |
| CN101837376B (en) | Plunger-type upper spraying laminar flow cooling device | |
| CN1589984A (en) | Rolling method for strip rolling mill and strip rolling equipment | |
| CN104785598A (en) | Rolling edge folding machine | |
| CN103567225A (en) | Mandrel cooling device | |
| CN106734221A (en) | A kind of eighteen-high mill interchangeable for the working roll roller system of cold continuous rolling | |
| CN203565471U (en) | Four-roller continuous rolling pipe mill | |
| CN201366455Y (en) | Numerical control hot straightening machine for ovalizing and warping of annular steel parts | |
| CN103599938A (en) | Four-roller mandrel pipe mill | |
| CN105689390A (en) | Method for rolling section steel semi-continuously by using compact type universal rolling mills | |
| CN103084416A (en) | Horizontal type corrective pinch device | |
| CN103433276B (en) | Profile steel rolling production line and production method thereof | |
| CN203900152U (en) | Packing paper device for producing cold-rolled steel coil | |
| CN202114104U (en) | Straightening machine with replaceable straightening roller system | |
| CN203991781U (en) | Light-alloy section bar finishing machine | |
| CN103111467A (en) | Horizontal or vertical type general rolling mill | |
| CN203565486U (en) | Radial four-roller rolling rack | |
| CN104148453A (en) | Finishing machine for light alloy section | |
| CN203076337U (en) | Vertical-type rolling mill | |
| CN103846283B (en) | Lamination transmission close-coupled multi-roll mill | |
| CN203076331U (en) | Horizontal rolling mill | |
| CN206981422U (en) | It is a kind of to be used for wide cut molybdenum plate, the two-way milling train of tungsten plate | |
| CN207372035U (en) | A kind of radially adjustable y-type rolling mill | |
| CN204503755U (en) | A kind of high step welded tube mill adjustable reel wheel apparatus | |
| CN101733312B (en) | Three-roll unbender |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |