CN203900097U - Six-roller mill - Google Patents
Six-roller mill Download PDFInfo
- Publication number
- CN203900097U CN203900097U CN201420354211.0U CN201420354211U CN203900097U CN 203900097 U CN203900097 U CN 203900097U CN 201420354211 U CN201420354211 U CN 201420354211U CN 203900097 U CN203900097 U CN 203900097U
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- block
- height
- bearing
- roll
- cylinder
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- 238000005096 rolling process Methods 0.000 claims abstract description 17
- 229910000831 Steel Inorganic materials 0.000 abstract description 7
- 239000010959 steel Substances 0.000 abstract description 7
- 238000010977 unit operation Methods 0.000 abstract description 3
- 238000003801 milling Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 4
- 238000005452 bending Methods 0.000 description 3
- 238000005097 cold rolling Methods 0.000 description 3
- 238000013000 roll bending Methods 0.000 description 3
- 239000000956 alloy Substances 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000010960 cold rolled steel Substances 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
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- Control Of Metal Rolling (AREA)
Abstract
The utility model provides a six-roller mill. The six-roller mill comprises a roll system adjustment device, wherein the roll system adjustment device comprises an adjustment hydraulic cylinder and two height adjustment devices capable of axially moving along a lower supporting roll, wherein the adjustment hydraulic cylinder is fixedly arranged on a frame by virtue of a support; the two height adjustment devices are correspondingly positioned between two upper hydraulic cylinders and two lower supporting roll bearing blocks of the six-roller mill; the height adjustment devices are arranged in the axial direction of the lower supporting roll in an extending manner, the height of each height adjustment device is gradually reduced from one end to the other end; the upper and lower surfaces of the height adjustment devices are correspondingly contacted with the lower supporting roll bearing blocks and the piston rods of the upper hydraulic cylinders; one end of one height adjustment device is connected with the piston rod of the adjustment hydraulic cylinder, and the other end of the height adjustment device is connected with one end of the other height adjustment device by virtue of a connecting rod. The six-roller mill can be used for improving the shape control accuracy, meeting the requirement of producing high-accuracy high-quality strip steel, guaranteeing the rolling line elevation stability and increasing the unit operation rate.
Description
Technical field
The utility model belongs to cold-strip steel, cold rolling nonferrous metal and alloy band field shaping technique, in particular to the cold rolling plant equipment of one, and especially a kind of six-high cluster mill.
Background technology
In cold-strip steel, cold rolling nonferrous metal and alloy band field, at present extensive use six-high cluster mill is rolled, and such milling train is taking CVC milling train, UCM milling train as representative, and known.Taking UCM milling train as example: 1) adopt and the Driven by Hydraulic Cylinder ladder adjustment block of displacement transducer is set and mill line elevation is adjusted in the combination of wedge adjustment block, and hydraulic lock is set in hydraulic system, prevent hydraulic cylinder play in the operation of rolling and affect mill line elevation.But inevitable existence of hydraulic system and hydraulic cylinder itself leaked, thereby produces hydraulic cylinder play, causes the play of ladder adjustment block and wedge adjustment block, affects mill line elevation, and then affects product size precision; When tapered wedges displacement is excessive, also must shuts down and adjust, affect unit operation rate; 2) hydraulic pressure presses cylinder to need compensating roller is the variation of diameter, therefore needs to adopt large stroke hydraulic cylinder, and large stroke hydraulic cylinder not only cost is high, and frequency response and rigidity property all reduce, the plate shape while being unfavorable for high-speed rolling high accuracy belt steel product is controlled.For CVC milling train, also there is the problem identical with UCM milling train in it.
In view of this, the design people, according to the Production design experience of being engaged in for many years this area and association area, develops a kind of six-high cluster mill, the problem existing to solving prior art.
Utility model content
The purpose of this utility model is to be to provide a kind of six-high cluster mill, can improve plate shape control accuracy, meets production high accuracy, the requirement of high-quality band steel, ensures that mill line elevation is stable, improves unit operation rate.
For this reason, the utility model proposes a kind of six-high cluster mill, described six-high cluster mill is provided with a frame, in the window of described frame, be provided with successively rolling line adjusting device, top backing up roll, upper intermediate calender rolls, working roll, lower intermediate calender rolls, lower backing roll and two hydraulic pressure from top to bottom and press cylinder, it is corresponding with the two lower support roll bearing blocks that are arranged on described lower backing roll two ends that described in two, hydraulic pressure presses the piston rod of cylinder, wherein:
Separately being provided with a roller is adjusting device, described roller be adjusting device include an adjustment hydraulic cylinder and two can be along the axially movable height adjuster of described lower support roll, described adjustment hydraulic cylinder is fixed in described frame by a bracing frame, described in two, height adjuster correspondence is arranged at the downside of lower support roll bearing block described in two, described height adjuster is along the setting that extends axially of described lower backing roll, its one end to the height of the other end reduces gradually, the upper surface of described height adjuster and lower surface correspondence contact with the piston rod that described lower backing roll bearing block and described hydraulic pressure press cylinder, wherein described in one, one end of height adjuster is connected with the piston rod of described adjustment hydraulic cylinder, its other end is connected with one end of height adjuster described in another by a connecting rod.
Six-high cluster mill as above, wherein, described height adjuster includes a bearing and ladder block, described bearing is mobile to be placed on the piston rod that described hydraulic pressure presses cylinder, described ladder block is fixed on described bearing, and along the setting that extends axially of described lower backing roll, described ladder block is reduced gradually by one end to the height of the other end, its upper surface contacts with described lower support roll bearing block;
Wherein described in one, one end of bearing is connected with the piston rod of described adjustment hydraulic cylinder, and its other end is connected with bearing described in another by described connecting rod.
Six-high cluster mill as above, wherein, described ladder block is joined and forms successively by multiple blocks, and the height of the described block of close described ladder block one end is greater than the height near the described block of the described ladder block other end.
Six-high cluster mill as above, wherein, described block is cuboid or square.
Six-high cluster mill as above, wherein, is separately provided with a locking cylinder on the piston rod of the wedge adjustment hydraulic cylinder of described rolling line adjusting device.
The six-high cluster mill the utility model proposes, simple in structure, practical, be adjusting device by roller is set, can adopt the hydraulic pressure of short stroke to press cylinder, frequency response and rigidity that hydraulic pressure presses cylinder are improved, be conducive to the dimension control of cold-rolled steel strip products, particularly ensure band steel longitudinal thickness dimensionally stable, the dimension control while being particularly advantageous in high-speed rolling band steel; Increase after locking cylinder, can make rolling line adjusting device function more reliable and more stable, ensure that mill line elevation is stable, can corresponding raising operating rate of rolling mill and output.
Brief description of the drawings
Fig. 1 is the front view of six-high cluster mill of the present utility model;
Fig. 2 is the side view of six-high cluster mill of the present utility model;
Fig. 3 is the enlarged diagram of rolling line adjusting device part in six-high cluster mill of the present utility model;
Fig. 4 is the enlarged diagram that six-high cluster mill central roll of the present utility model is adjusting device part.
Main element label declaration:
2 rollers are that adjusting device 21 is adjusted hydraulic cylinder
22 height adjuster 221 bearings
222 ladder block 23 bracing frames
24 connecting rods
Detailed description of the invention
Understand for technical characterictic of the present utility model, object and effect being had more clearly, now contrast brief description of the drawings detailed description of the invention of the present utility model:
Fig. 1 is the front view of six-high cluster mill of the present utility model; Fig. 2 is the side view of six-high cluster mill of the present utility model; Fig. 3 is the enlarged diagram of rolling line adjusting device part in six-high cluster mill of the present utility model; Fig. 4 is the enlarged diagram that six-high cluster mill central roll of the present utility model is adjusting device part.
Referring to Fig. 1, for the six-high cluster mill the utility model proposes, described six-high cluster mill is provided with a frame 10, in the window 101 of described frame, be provided with successively rolling line adjusting device 11 from top to bottom, top backing up roll 12, upper intermediate calender rolls 13, working roll 14, lower intermediate calender rolls 15, lower backing roll 16 and two hydraulic pressure press cylinder 17, it is corresponding with the two lower support roll bearing blocks 161 that are arranged on described lower backing roll 16 two ends that described in two, hydraulic pressure presses the piston rod 171 of cylinder 17, wherein, as shown in Figure 3, this rolling line adjusting device 11 includes wedge and adjusts hydraulic cylinder 111, ladder is adjusted hydraulic cylinder 112, wedge adjustment block 113, ladder adjustment block 114, tie-beam 115,
As shown in Figure 2, at the window middle part of described frame 10, conventionally the working-roller bending device 141 being connected with working roll 14 is also installed, to realize work roll bending; The outside of top backing up roll 12 is provided with upper support roller balancing device 121, installs intermediate calender rolls roll-bending device 12-14 between this upper support roller balancing device 121 and working-roller bending device 141; The outside of lower intermediate calender rolls 15 is provided with lower intermediate calender rolls rail block 151, and lower middle roll bending device 14-15 is installed between lower intermediate calender rolls rail block 151 and working-roller bending device 141; Transmission side in frame 10 is separately installed intermediate roll shifting device 13-15, and upper intermediate calender rolls 13, the corresponding intermediate roll shifting device 13-15 that passes through of lower intermediate calender rolls 15 are connected with frame 10, and can carry out axial float; Roll axial locking device 102 is also installed in frame 10, for axial locking top backing up roll 12, working roll 14 and lower backing roll 16, it is to be noted, above-mentioned parts and interconnected relationship thereof, position relationship, and the content such as specific works process and operation principle of this milling train, be prior art, do not repeat them here, wherein:
Please also refer to Fig. 4, separately being provided with a roller is adjusting device 2, described roller be adjusting device 2 include an adjustment hydraulic cylinder 21 and two can be along the axially movable height adjuster 22 of described lower support roll 16, described adjustment hydraulic cylinder 21 is fixed in described frame 10 by a bracing frame 23, described in two, height adjuster 22 correspondences are arranged at the downside of lower support roll bearing block 161 described in two, described height adjuster 22 is along the setting that extends axially of described lower backing roll 16, its one end to the height of the other end reduces gradually, the upper surface of described height adjuster 22 and lower surface correspondence contact with the piston rod 171 that described lower backing roll bearing block 161 and described hydraulic pressure press cylinder 17, wherein described in one, one end of height adjuster 22 is connected with the piston rod 211 of described adjustment hydraulic cylinder 21, its other end is connected with one end of height adjuster described in another 22 by a connecting rod 24.
Wherein, described height adjuster 22 includes a bearing 221 and ladder block 222, described bearing 221 is mobile to be placed on the piston rod 171 that described hydraulic pressure presses cylinder 17, described ladder block 222 is fixed on described bearing 221, and along the setting that extends axially of described lower backing roll 16, described ladder block 222 is reduced gradually by one end to the height of the other end, and its upper surface contacts with described lower support roll bearing block 161;
Wherein described in one, one end of bearing 221 is connected with the piston rod 211 of described adjustment hydraulic cylinder 21, and its other end is connected with bearing described in another 221 by described connecting rod 24.In the time that described adjustment hydraulic cylinder 21 drives that wherein a bearing moves, can drive another bearing to move by described connecting rod 24, to realize synchronization action simultaneously thereupon.
Preferred embodiment, described ladder block 222 is joined and forms successively by multiple blocks, and the height of the described block of close described ladder block 222 one end is greater than the height near the described block of described ladder block 222 other ends, and the height of each described block is reduced successively by one end to the other end of described ladder block.Wherein, more preferably cuboid or square of described block.
Please also refer to Fig. 3, on the piston rod 111a of the wedge adjustment hydraulic cylinder 111 of described rolling line adjusting device 11, be separately provided with a locking cylinder 3.Lead to after piston rod 111 stretches out/retracts and adjusts to the right place, locking cylinder 3 is set, can lock piston bar 111, avoid the leakage because of hydraulic system and the existence of wedge adjustment hydraulic cylinder itself, the wedge causing is adjusted the play of hydraulic cylinder, wedge adjustment block 113, guarantee that mill line elevation and product size precision are unaffected, promote reliability of the present utility model.
The six-high cluster mill the utility model proposes, in specific works, in the time that needs compensating roller is diameter variation, the piston rod 211 that can drive hydraulic pressure to adjust cylinder 21 moves, and then drive bearing 221 to move, make the position of corresponding height on ladder block 222 move to the downside of lower backing roll bearing block 161, such as, at Fig. 2, in Fig. 4, in the time that the piston rod 211 of hydraulic pressure adjustment cylinder 21 stretches out, meeting promotes bearing 221 and ladder block 222 moves to right, and then make lower backing roll bearing block 161 up along the upper surface of ladder block 222, in the time that the piston rod 211 of hydraulic pressure adjustment cylinder 21 is retracted, can pull bearing 221 and ladder block 222 to move to left, and then make lower backing roll bearing block 161 descending along the upper surface of ladder block 222,
Subsequently, the piston rod 171 that control hydraulic pressure presses cylinder 17 moves (stretch out or retract), to drive bearing 221 and ladder block 222 along vertical movement (rise or decline), is that diameter changes thereby realize compensating roller.Compared with prior art, the utility model is adjusting device by roller is set, can adopt the hydraulic pressure of short stroke to press cylinder, has improved hydraulic pressure and press frequency response and the rigidity of cylinder, is conducive to the dimension control of cold-rolled steel strip products.
In addition, in the utility model, adjust hydraulic cylinder 111, corresponding wedge adjustment block 113 and the ladder adjustment blocks 114 controlled of ladder adjustment hydraulic cylinder 112 by the wedge of rolling line adjusting device 11, adjust after mill line elevation, lock the piston rod 111a of wedge adjustment hydraulic cylinder 111 by locking cylinder 3, can prevent milling train work time, adjust the play of the piston rod of hydraulic cylinder 111 because the internal leakage of hydraulic oil causes wedge, ensure piston rod 111a position stability, keep rolling line stable.
The foregoing is only the schematic detailed description of the invention of the utility model, not in order to limit scope of the present utility model.Any those skilled in the art, is not departing from equivalent variations and the amendment under the prerequisite of design of the present utility model and principle, done, all should belong to the scope of the utility model protection.
Claims (5)
1. a six-high cluster mill, described six-high cluster mill is provided with a frame, in the window of described frame, be provided with successively rolling line adjusting device, top backing up roll, upper intermediate calender rolls, working roll, lower intermediate calender rolls, lower backing roll and two hydraulic pressure from top to bottom and press cylinder, it is corresponding with the two lower support roll bearing blocks that are arranged on described lower backing roll two ends that described in two, hydraulic pressure presses the piston rod of cylinder, it is characterized in that:
Separately being provided with a roller is adjusting device, described roller be adjusting device include an adjustment hydraulic cylinder and two can be along the axially movable height adjuster of described lower support roll, described adjustment hydraulic cylinder is fixed in described frame by a bracing frame, described in two, height adjuster correspondence is arranged at the downside of lower support roll bearing block described in two, described height adjuster is along the setting that extends axially of described lower backing roll, its one end to the height of the other end reduces gradually, the upper surface of described height adjuster and lower surface correspondence contact with the piston rod that described lower backing roll bearing block and described hydraulic pressure press cylinder, wherein described in one, one end of height adjuster is connected with the piston rod of described adjustment hydraulic cylinder, its other end is connected with one end of height adjuster described in another by a connecting rod.
2. six-high cluster mill as claimed in claim 1, it is characterized in that, described height adjuster includes a bearing and ladder block, described bearing is mobile to be placed on the piston rod that described hydraulic pressure presses cylinder, described ladder block is fixed on described bearing, and along the setting that extends axially of described lower backing roll, described ladder block is reduced gradually by one end to the height of the other end, its upper surface contacts with described lower support roll bearing block;
Wherein described in one, one end of bearing is connected with the piston rod of described adjustment hydraulic cylinder, and its other end is connected with bearing described in another by described connecting rod.
3. six-high cluster mill as claimed in claim 2, is characterized in that, described ladder block is joined and forms successively by multiple blocks, and the height of the described block of close described ladder block one end is greater than the height near the described block of the described ladder block other end.
4. six-high cluster mill as claimed in claim 3, is characterized in that, described block is cuboid or square.
5. the six-high cluster mill as described in claim 1 to 4 any one, is characterized in that, on the piston rod of the wedge adjustment hydraulic cylinder of described rolling line adjusting device, is separately provided with a locking cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420354211.0U CN203900097U (en) | 2014-06-27 | 2014-06-27 | Six-roller mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420354211.0U CN203900097U (en) | 2014-06-27 | 2014-06-27 | Six-roller mill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203900097U true CN203900097U (en) | 2014-10-29 |
Family
ID=51774388
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420354211.0U Expired - Lifetime CN203900097U (en) | 2014-06-27 | 2014-06-27 | Six-roller mill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203900097U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106881352A (en) * | 2017-03-22 | 2017-06-23 | 山东宏旺实业有限公司 | A kind of Band by Hot-rolling technique and its production equipment |
| CN110639957A (en) * | 2019-09-11 | 2020-01-03 | 唐山学院 | Alloy plate rolling equipment |
-
2014
- 2014-06-27 CN CN201420354211.0U patent/CN203900097U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106881352A (en) * | 2017-03-22 | 2017-06-23 | 山东宏旺实业有限公司 | A kind of Band by Hot-rolling technique and its production equipment |
| CN110639957A (en) * | 2019-09-11 | 2020-01-03 | 唐山学院 | Alloy plate rolling equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |