CN103350109B - Cold-rolling strip mill - Google Patents
Cold-rolling strip mill Download PDFInfo
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- CN103350109B CN103350109B CN201310279239.2A CN201310279239A CN103350109B CN 103350109 B CN103350109 B CN 103350109B CN 201310279239 A CN201310279239 A CN 201310279239A CN 103350109 B CN103350109 B CN 103350109B
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Abstract
The invention discloses a cold-rolling strip mill which comprises a rack (1), and an upper back-up roll (3), an upper working roll (5), a lower working roll (18) and a lower back-up roll (16) are sequentially arranged in the rack (1) from top to bottom. The two ends of the upper working roll (5) and the two ends of the lower working roll (18) are provided with upper working roll bearing seats (6) and lower working roll bearing seats (17) respectively, and a bending roll block seat (8) can push the upper working roll bearing seats (6) and the lower working roll bearing seats (17) to move in the horizontal direction vertical to the axis of the upper working roll (17). A horizontal moving cylinder (11) driving the bending roll block seat (8) to move is fixedly connected to the rack (1). The cold-rolling strip mill can horizontally move the upper working roll and the lower working roll in the horizontal direction according to rolling parameters and structure parameters of the strip mill, and therefore the working rollers are stressed to the minimum in the horizontal direction under the condition that the working rollers stably perform rolling.
Description
Technical field
The present invention relates to sheet metal strip rolling equipment field, particularly a kind of cold-strip milling train for rolled band steel, nonferrous metal and alloy band.
Background technology
In cold-strip steel, cold rolling nonferrous metal and alloy band field, current extensive use four roller, six-high cluster mill rolling width are greater than the wide strip of 1000mm, and this milling train has perfect THICKNESS CONTROL and plat control system and corresponding frame for movement.But existing four rollers, six-high cluster mill limit due to structure, work roll diameter is large, is difficult to the band that rolling thickness is thinner, especially difficult-to-deformation material.The band thinner in order to rolling and difficult-to-deformation material, can use the working roll of minor diameter to carry out rolling; But working roll is in the operation of rolling, band steel applies horizontal force to working roll roll surface, makes working roll produce horizontal curvature; If work roll diameter reduces, it is excessive that horizontal force can cause working roller bending to be out of shape, and not only affect Strip Shape, the serious working roll that also can cause ruptures.The size of working roll horizontal force is except outside the Pass having with roll-force, strip tension, also relevant with the horizontal offset of working roll center line and backing roll or intermediate calender rolls center line.If according to draught pressure, strip tension and the working roll kind of drive, regulate the horizontal offset of working roll center line and backing roll or intermediate calender rolls center line, just can control working roll horizontal force in more among a small circle, thus use minor diameter working roll rolling difficult-to-deformation material and thinner band.
Summary of the invention
In order to regulate the horizontal offset between working roll center line and backing roll center line, the invention provides a kind of cold-strip milling train, this cold-strip milling train can according to the structural parameters of rolling parameter and band and strip rolling mill, move in parallel upper working rolls and lower working rolls in the horizontal direction, make working roll when stable rolling, horizontal force is minimum.
The present invention is the technical scheme solving the employing of its technical problem: a kind of cold-strip milling train, comprise frame, upper backup roll is provided with successively from the top down in frame, top working roll, bottom working roll and lower backing roll, the two ends of top working roll are respectively arranged with top working roll bearing block, the two ends of bottom working roll are respectively arranged with bottom working roll bearing block, the both sides of top working roll bearing block and bottom working roll bearing block are respectively equipped with roller block, gap is provided with between the roller block of top working roll bearing block and bottom working roll bearing block and both sides, roller block can promote top working roll bearing block and bottom working roll bearing block moves along the horizontal direction perpendicular to top working roll axis, frame is fixedly connected with and moves horizontally cylinder for what drive the movement of roller block.
Be connected by transmission side wedge with between frame at the roller block of mill drive side, be positioned at the position that the roller block of described mill drive side and transmission side wedge contact with each other and be the plane tilted relative to top working roll axis, transmission side wedge can move along the direction of top working roll axis; Be connected by fore side wedge with between frame at the roller block of milling train fore side, be positioned at the position that the roller block of described milling train fore side and fore side wedge contact with each other and be the plane tilted relative to top working roll axis, fore side wedge can move along the direction of top working roll axis.
Transmission side wedge is fixedly connected with fore side wedge by connecting rod, frame is fixedly connected with the wedge movable cylinder for driving transmission side wedge and the movement of fore side wedge.
Being provided with the upper bowed roller hydraulic cylinder for driving the vertically movement of top working roll bearing block in roller block, in roller block, being also provided with the lower bowed roller hydraulic cylinder for driving the vertically movement of bottom working roll bearing block.
The left and right sides on top working roll bearing block top is respectively equipped with projection, and the piston rod of upper bowed roller hydraulic cylinder is fixedly connected with the projection of top working roll bearing block, and the cylinder barrel of upper bowed roller hydraulic cylinder is arranged on roller block inside; The left and right sides of bottom working roll bearing block bottom is respectively equipped with projection, and the piston rod of lower bowed roller hydraulic cylinder is fixedly connected with the projection of bottom working roll bearing block, and the cylinder barrel of lower bowed roller hydraulic cylinder is arranged on roller block inside.
The both sides of top working roll bearing block are fixedly connected with roller block respectively by upper roller bending block, upper roller bending block is provided with the groove slided along top working roll axis direction for top working roll bearing block, and roller block is provided with the T-slot of vertically sliding for upper roller bending block; The both sides of bottom working roll bearing block are fixedly connected with roller block respectively by lower roller bending block, lower roller bending block is provided with the groove slided along bottom working roll axis direction for bottom working roll bearing block, and roller block is provided with the T-slot of vertically sliding for lower roller bending block.
Upper roller bending block and lower roller bending block all can vertically move, and the piston rod of bowed roller hydraulic cylinder is fixedly connected with upper roller bending block, and the cylinder barrel of bowed roller hydraulic cylinder is arranged on lower roller bending block inside.
Frame being fixedly connected with for carrying out spacing backing roll balance weight and locating piece to roller block in vertical direction, frame being also fixedly connected with for carrying out spacing outer baffle and Internal baffle to roller block in the horizontal direction perpendicular to top working roll axis.
The both sides of top working roll bearing block are fixedly connected with roller block respectively by upper roller bending block, and upper roller bending block is provided with T-slot along the direction of top working roll axis, and upper roller bending block can slide along the direction of top working roll axis; The both sides of bottom working roll bearing block are fixedly connected with roller block respectively by lower roller bending block, and lower roller bending block is provided with T-slot along the direction of bottom working roll axis, and lower roller bending block can slide along the direction of bottom working roll axis.
Being provided with the upper bowed roller hydraulic cylinder for driving the vertically movement of top working roll bearing block in upper roller bending block, in lower roller bending block, being also provided with the lower bowed roller hydraulic cylinder for driving the vertically movement of bottom working roll bearing block.
The invention has the beneficial effects as follows:
1. the working roll horizontally moving device of rolling mill for cold rolled steel strip of the present invention, can apply on four traditional rollers, six-high cluster mill, reduces the horizontal force of working roll, thus can use the working roll of more minor diameter, with the high strength band of rolling more Thin Specs.
2. the working roll horizontally moving device in the present invention, adopts Wedge mechanism location, the structure of hydraulic cylinder mobile working roller, and location area is large, location is reliable, and upper working rolls and lower working rolls moves horizontally simultaneously, there will not be vertical direction to misplace.
3. milling train of the present invention not only can realize moving horizontally of working roll, can also realize roller and the roll shifting of working roll.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, cold-strip milling train of the present invention is described in further detail.
Fig. 1 is the structural representation of the cold-strip milling train described in the first embodiment.
Fig. 2 is the structural representation of the cold-strip milling train described in the second embodiment.
Fig. 3 is the sectional view along A-A line in Fig. 2.
Fig. 4 is the structural representation of the cold-strip milling train described in the 3rd embodiment.
Wherein 1. frames, 2. screwdown gear, 3. upper backup roll, 4. upper backup roll bearing block, 5. top working roll, 6. top working roll bearing block, 7. go up roller bending block, 71. grooves, 72.T type groove, 8. roller block, 81.T type groove, 9. transmission side wedge, 10. fore side wedge, 11. move horizontally cylinder, 12. displacement transducers, 13. bowed roller hydraulic cylinders, 14. times roller bending blocks, 141. groove, 142.T type groove, 15. lower backing roll bearing blocks, 16. lower backing rolls, 17. bottom working roll bearing blocks, 18. bottom working rolls, 19. locating pieces, 20. backing roll balance weights, 21. wedge movable cylinders, 22. bearing pins, 23. outer baffles, 24. Internal baffles, 25. connecting rods, 26. eccentric pin shafts, bowed roller hydraulic cylinder on 28., 30. times bowed roller hydraulic cylinders.
Detailed description of the invention
Embodiment 1
Below in conjunction with accompanying drawing, cold-strip milling train of the present invention is described in detail.As shown in Figure 1, a kind of cold-strip milling train, comprise frame 1, top working roll 5 and bottom working roll 18 is provided with in frame 1, the top of top working roll 5 is provided with upper backup roll 3, the below of bottom working roll 18 is provided with lower backing roll 16, the two ends of top working roll 5 are respectively arranged with top working roll bearing block 6, namely 2 top working roll bearing blocks 6 are had, the two ends of bottom working roll 18 are respectively arranged with bottom working roll bearing block 17, namely 2 bottom working roll bearing blocks 17 are had, the both sides of top working roll bearing block 6 and bottom working roll bearing block 17 are respectively equipped with roller block 8, namely 4 roller blocks 8 are had, gap is provided with between the roller block 8 of top working roll bearing block 6 and bottom working roll bearing block 17 and both sides, roller block 8 can promote top working roll bearing block 6 and bottom working roll bearing block 17 moves along the horizontal direction perpendicular to top working roll 5 axis, frame 1 is fixedly connected with and moves horizontally cylinder 11 for what drive roller block 8 movement.
Move horizontally cylinder 11 can drive roller block 8 and drive top working roll 5 and bottom working roll 18 to move left and right along the horizontal direction in Fig. 1, thus regulate the horizontal offset between the axis of top working roll 5 and bottom working roll 18 and the axis of upper backup roll 3 and lower backing roll 16.
In order to make horizontal offset can be fixed accurately and keep stable after adjustment, this cold-strip milling train be also provided with the locking positioning device for fixing roller block 8, and this locking positioning device comprises transmission side wedge 9 and fore side wedge 10.Roller block 8 in mill drive side is connected by transmission side wedge 9 with between frame 1, the position that the roller block 8 being positioned at described mill drive side and transmission side wedge 9 contact with each other is the plane tilted relative to top working roll 5 axis, and transmission side wedge 9 can move along the direction of top working roll 5 axis; Be connected by fore side wedge 10 with between frame 1 at the roller block 8 of milling train fore side, the position that the roller block 8 being positioned at described milling train fore side and fore side wedge 10 contact with each other is the plane tilted relative to top working roll 5 axis, and fore side wedge 10 can move along the direction of top working roll 5 axis.For the ease of understanding, can reference diagram 3, in Fig. 3, roller block 8 is identical with the connection matching relationship of transmission side wedge 9, roller block 8 is identical with the connection matching relationship of fore side wedge 10, the fore side of this cold-strip milling train is the downside in Fig. 3, the transmission side of cold-strip milling train is the upside in Fig. 3, and the entrance side of this cold-strip milling train is the left side in Fig. 3, and the outlet side of this cold-strip milling train is the right side in Fig. 3.As shown in Figure 3, the inclined-plane of transmission side wedge 9 and the inclined-plane of roller block 8 are to mating, and transmission side wedge 9 may be used for the location of roller block 8 after contacting with roller block 8, and in like manner, fore side wedge 10 also can be used for the location of roller block 8.
In addition, transmission side wedge 9 is fixedly connected with fore side wedge 10 by connecting rod 25, frame 1 is fixedly connected with the wedge movable cylinder 21 for driving transmission side wedge 9 and fore side wedge 10 movement.Move horizontally cylinder 11 and be also connected with displacement transducer 12.
In order to make this cold-strip milling train have roller function, the two ends of top working roll 5 namely can be made to tilt upward, the two ends of bottom working roll 18 are curved downwards.Being provided with the upper bowed roller hydraulic cylinder 28 for driving top working roll bearing block 6 vertically movement in roller block 8, in roller block 8, being also provided with the lower bowed roller hydraulic cylinder 30 for driving bottom working roll bearing block 17 vertically movement.
Particularly, the left and right sides on 2 top working roll bearing block 6 tops is respectively equipped with projection, the piston rod of totally 4 upper bowed roller hydraulic cylinders 28 is fixedly connected with 4 projections of top working roll bearing block 6 respectively, and the cylinder barrel of 4 upper bowed roller hydraulic cylinders 28 is separately positioned on 4 roller blocks 8 inside; The left and right sides of 2 bottom working roll bearing block 17 bottoms is respectively equipped with projection, the piston rod of totally 4 lower bowed roller hydraulic cylinders 30 is fixedly connected with 4 projections of bottom working roll bearing block 17 respectively, the cylinder barrel of 4 lower bowed roller hydraulic cylinders 30 is arranged on 4 roller blocks 8 inside, as shown in Figure 1.In addition, when needs roll shifting, when namely making top working roll 5 and bottom working roll 18 move along its axis, also can realize roll shifting by roll-shifting device.
This cold-strip milling train regulates the process of horizontal offset for working rollers as follows:
Gap between the roller block 8 of top working roll bearing block 6 and bottom working roll bearing block 17 and both sides is respectively setting value e1, e2, as shown in Figure 1, when the piston rod that entrance side two moves horizontally cylinder 11 is released, top working roll bearing block 6, bottom working roll bearing block 17, top working roll 5 and bottom working roll 18 move to milling train outlet side by the roller block 8 in left side, namely right side is mobile, until top working roll bearing block 6 and bottom working roll bearing block 17 are close to the roller block 8 on right side; Now, the axis of top working roll 5 and bottom working roll 18 and center line are e2 to milling train outlet side offset distance.Otherwise outlet side moves horizontally cylinder 11 and releases, entrance side moves horizontally cylinder 11 and retracts, and the axis of top working roll 5 and bottom working roll 18 is e1 to inlet of rolling mill side offset distance.After adjustment, wedge movable cylinder 21 action respectively of inlet of rolling mill side and outlet side, makes each roller block 8 fit with the inclined-plane of corresponding transmission side wedge 9 and fore side wedge 10 respectively; Thus make the position of top working roll 5 and bottom working roll 18 keep fixing.
The working roll horizontally moving device of rolling mill for cold rolled steel strip of the present invention, can apply on four traditional rollers, six-high cluster mill, reduces the horizontal force of working roll, thus can use the working roll of more minor diameter, with the high strength band of rolling more Thin Specs.Meanwhile, this rolling mill for cold rolled steel strip have employed Wedge mechanism location, the structure of hydraulic cylinder mobile working roller, and location area is large, location is reliable, and upper working rolls and lower working rolls moves horizontally simultaneously, there will not be vertical direction to misplace.This milling train not only can realize moving horizontally of working roll, can also realize roller and the roll shifting of working roll.
Embodiment 2
The present embodiment improves the one of embodiment 1, and mainly described in an embodiment rolling mill for cold rolled steel strip adds roller bending block 7 and lower roller bending block 14.
Particularly, the both sides of 2 top working roll bearing blocks 6 are fixedly connected with 4 roller blocks 8 respectively by 4 upper roller bending blocks 7,4 upper roller bending blocks 7 are provided with the groove 71 slided along top working roll 5 axis direction for top working roll bearing block 6, and roller block 8 is provided with the T-slot 81 of vertically sliding for upper roller bending block 7; The both sides of 2 bottom working roll bearing blocks 17 are fixedly connected with 4 roller blocks 8 respectively by 4 lower roller bending blocks 14, lower roller bending block 14 is provided with the groove 141 slided along bottom working roll 18 axis direction for bottom working roll bearing block 17, roller block 8 is provided with the T-slot 81 of vertically sliding for lower roller bending block 14, as shown in Figure 2 and Figure 3.
The working method of the rolling mill for cold rolled steel strip described in the present embodiment and embodiment 1 basic simlarity, move horizontally cylinder 11 can drive roller block 8 and drive upper roller bending block 7, lower roller bending block 14, top working roll 5 and bottom working roll 18 to move left and right along the horizontal direction in Fig. 2, thus regulate the horizontal offset between the axis of top working roll 5 and bottom working roll 18 and the axis of upper backup roll 3 and lower backing roll 16.
In order to make this cold-strip milling train have roller function, upper roller bending block 7 and lower roller bending block 14 all can vertically move, and the piston rod of bowed roller hydraulic cylinder 13 is fixedly connected with upper roller bending block 7, and the cylinder barrel of bowed roller hydraulic cylinder 13 is arranged on lower roller bending block 14 inside.
Frame 1 being fixedly connected with for carrying out spacing backing roll balance weight 20 and locating piece 19 to roller block 8 in vertical direction, frame 1 being also fixedly connected with for carrying out spacing outer baffle 23 and Internal baffle 24 to roller block 8 in the horizontal direction perpendicular to top working roll 5 axis.
This cold-strip milling train regulates the process of horizontal offset for working rollers as follows:
Gap between the upper roller bending block 7 in top working roll bearing block 6 and bottom working roll bearing block 17 and left side and the lower roller bending block 14 in left side is setting value e1, gap under the upper roller bending block 7 on top working roll bearing block 6 and bottom working roll bearing block 17 and right side and right side between roller bending block 14 is setting value e2, as shown in Figure 3, when the piston rod that two, left side moves horizontally cylinder 11 is released, 2 roller blocks 8 in left side are by the upper roller bending block 7 in 2 left sides, the lower roller bending block 14 in 2 left sides, top working roll bearing block 6, bottom working roll bearing block 17, top working roll 5 and bottom working roll 18 move on the right side of milling train, until top working roll bearing block 6 and bottom working roll bearing block 17 are close to the upper roller bending block 7 on right side and the lower roller bending block 14 on right side, now, the axis of top working roll 5 and bottom working roll 18 and center line are e2 to milling train outlet side offset distance.Otherwise right side moves horizontally cylinder 11 and releases, left side moves horizontally cylinder 11 and retracts, and the axis of top working roll 5 and bottom working roll 18 is e1 to offset distance on the left of milling train.After adjustment, wedge movable cylinder 21 action respectively on the left of milling train and right side, makes 4 roller blocks 8 fit with the inclined-plane of corresponding transmission side wedge 9 and fore side wedge 10 respectively; Thus make the position of top working roll 5 and bottom working roll 18 keep fixing.
Embodiment 3
The present embodiment improves the one of embodiment 1, and mainly described in an embodiment rolling mill for cold rolled steel strip adds roller bending block 7 and lower roller bending block 14.
Particularly, the both sides of 2 top working roll bearing blocks 6 are fixedly connected with 4 roller blocks 8 respectively by 4 upper roller bending blocks 7, and upper roller bending block 7 is provided with T-slot 72 along the direction of top working roll 5 axis, and upper roller bending block 7 can slide along the direction of top working roll 5 axis; The both sides of 2 bottom working roll bearing blocks 17 are fixedly connected with 4 roller blocks 8 respectively by 4 lower roller bending blocks 14, lower roller bending block 14 is provided with T-slot 142 along the direction of bottom working roll 18 axis, lower roller bending block 14 can slide along the direction of bottom working roll 18 axis, as shown in Figure 4.
Gap between the upper roller bending block 7 in top working roll bearing block 6 and bottom working roll bearing block 17 and left side and the lower roller bending block 14 in left side is setting value e1, gap under the upper roller bending block 7 on top working roll bearing block 6 and bottom working roll bearing block 17 and right side and right side between roller bending block 14 is setting value e2, as shown in Figure 4.
Being provided with the upper bowed roller hydraulic cylinder 28 for driving top working roll bearing block 6 vertically movement in upper roller bending block 7, in lower roller bending block 14, being also provided with the lower bowed roller hydraulic cylinder 30 for driving bottom working roll bearing block 17 vertically movement.The piston rod of upper bowed roller hydraulic cylinder 28 is fixedly connected with top working roll bearing block 6, and the cylinder body of upper bowed roller hydraulic cylinder 28 is arranged on roller bending block 7 inside; The piston rod of lower bowed roller hydraulic cylinder 30 is fixedly connected with bottom working roll bearing block 17, and the cylinder body of lower bowed roller hydraulic cylinder 30 is arranged on lower roller bending block 14 inside.
The above, be only specific embodiments of the invention, can not limit the scope that invention implements with it, so the displacement of its equivalent assemblies, or the equivalent variations done according to scope of patent protection of the present invention and modification, all still should belong to the category that this patent is contained.
Claims (3)
1. a cold-strip milling train, it is characterized in that, described cold-strip milling train comprises frame (1), upper backup roll (3), top working roll (5), bottom working roll (18) and lower backing roll (16) is provided with from the top down successively in frame (1), the two ends of top working roll (5) are respectively arranged with top working roll bearing block (6), and the two ends of bottom working roll (18) are respectively arranged with bottom working roll bearing block (17);
The both sides of top working roll bearing block (6) and bottom working roll bearing block (17) are respectively equipped with roller block (8), gap is provided with between the roller block (8) of top working roll bearing block (6) and bottom working roll bearing block (17) and both sides, roller block (8) can promote top working roll bearing block (6) and bottom working roll bearing block (17) and move along the horizontal direction perpendicular to top working roll (5) axis, frame (1) is fixedly connected with and moves horizontally cylinder (11) for what drive roller block (8) movement;
The both sides of top working roll bearing block (6) are fixedly connected with roller block (8) respectively by upper roller bending block (7), upper roller bending block (7) is provided with T-slot (72) along the direction of top working roll (5) axis, and upper roller bending block (7) can slide along the direction of top working roll (5) axis;
The both sides of bottom working roll bearing block (17) are fixedly connected with roller block (8) respectively by lower roller bending block (14), lower roller bending block (14) is provided with T-slot (142) along the direction of bottom working roll (18) axis, and lower roller bending block (14) can be slided along the direction of bottom working roll (18) axis;
Being provided with the upper bowed roller hydraulic cylinder (28) for driving top working roll bearing block (6) vertically movement in upper roller bending block (7), in lower roller bending block (14), being also provided with the lower bowed roller hydraulic cylinder (30) for driving bottom working roll bearing block (17) vertically movement.
2. cold-strip milling train according to claim 1, is characterized in that:
Be positioned at the roller block (8) of mill drive side to be connected by transmission side wedge (9) with between frame (1), the position that the roller block (8) being positioned at described mill drive side and transmission side wedge (9) contact with each other is the plane tilted relative to top working roll (5) axis, and transmission side wedge (9) can move along the direction of top working roll (5) axis;
Be positioned at the roller block (8) of milling train fore side to be connected by fore side wedge (10) with between frame (1), the position that the roller block (8) being positioned at described milling train fore side and fore side wedge (10) contact with each other is the plane tilted relative to top working roll (5) axis, and fore side wedge (10) can move along the direction of top working roll (5) axis.
3. cold-strip milling train according to claim 2, it is characterized in that: transmission side wedge (9) is fixedly connected with fore side wedge (10) by connecting rod (25), frame (1) being fixedly connected with the wedge movable cylinder (21) for driving transmission side wedge (9) and fore side wedge (10) movement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310279239.2A CN103350109B (en) | 2013-07-04 | 2013-07-04 | Cold-rolling strip mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310279239.2A CN103350109B (en) | 2013-07-04 | 2013-07-04 | Cold-rolling strip mill |
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| Publication Number | Publication Date |
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| CN103350109A CN103350109A (en) | 2013-10-16 |
| CN103350109B true CN103350109B (en) | 2015-06-10 |
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| CN201310279239.2A Active CN103350109B (en) | 2013-07-04 | 2013-07-04 | Cold-rolling strip mill |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103962378B (en) * | 2014-04-22 | 2016-03-02 | 中冶南方工程技术有限公司 | The independent changing rig of intermediate calender rolls in one |
| CN103920715B (en) * | 2014-04-22 | 2016-06-29 | 中冶南方工程技术有限公司 | A kind of dual-support device suitable in pony roll footpath six-high cluster mill |
| CN104084425B (en) * | 2014-07-01 | 2016-03-02 | 中冶南方工程技术有限公司 | A kind of working roll horizontally moving device |
| CN104138908B (en) * | 2014-07-01 | 2016-04-20 | 中冶南方工程技术有限公司 | A kind of direct-type working roll horizontally moving device |
| CN105478487B (en) * | 2015-11-24 | 2018-07-24 | 上海力炯金属科技有限公司 | Holding-down device of hydraulic for milling train |
| CN112845588A (en) * | 2019-11-27 | 2021-05-28 | 林秉谕 | Rolling equipment |
| CN114130823B (en) * | 2020-09-04 | 2024-04-09 | 山东建筑大学 | Working roll system of plate strip foil rolling mill |
| CN116689487A (en) * | 2023-05-25 | 2023-09-05 | 重庆大学 | Intelligent cold rolling equipment for ultra-deep drawing plate based on deep learning |
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| GB2024682A (en) * | 1978-07-07 | 1980-01-16 | Davy Loewy Ltd | Roll bending assembly for a rolling mill |
| JPH06344014A (en) * | 1993-05-03 | 1994-12-20 | Sms Schloeman Siemag Ag | Bending block for bending roll of multistage roll type mill stand |
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| CN103350109A (en) | 2013-10-16 |
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