CN203556640U - Roll structure of strip rolling mill - Google Patents
Roll structure of strip rolling mill Download PDFInfo
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- CN203556640U CN203556640U CN201320638713.1U CN201320638713U CN203556640U CN 203556640 U CN203556640 U CN 203556640U CN 201320638713 U CN201320638713 U CN 201320638713U CN 203556640 U CN203556640 U CN 203556640U
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- Prior art keywords
- conical section
- strip
- roll
- cylindrical portion
- pushing block
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- 238000005096 rolling process Methods 0.000 title claims abstract description 21
- 230000013011 mating Effects 0.000 claims description 8
- 230000001105 regulatory effect Effects 0.000 claims description 7
- 238000000034 method Methods 0.000 abstract description 5
- 229910000831 Steel Inorganic materials 0.000 description 3
- 230000000704 physical effect Effects 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 230000002950 deficient Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 238000005097 cold rolling Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model relates to a method of a strip rolling mill and relates to a roll structure of the strip rolling mill. The roll structure comprises two roll groups arranged in opposite directions, wherein each roll group comprises a working roll, an intermediate roll and a back-up roll which are arranged sequentially; each intermediate roll comprises a cylindrical section and a conical section connected to one end of the cylindrical section; in the intermediate rolls of the two roll groups, the directions of the conical sections are opposite. The utility model provides the roll structure of the strip rolling mill in which the contact length of the intermediate roll surfaces can be changed, so that the problem in the prior art that the shape of the strip edges cannot be adjusted to meet the requirements, due to the unchangeable contact length of the intermediate roll surfaces in the prior art, is solved.
Description
Technical field
The utility model relates to strip-mill strip, relates in particular to a kind of strip-mill strip roll structure.
Background technology
A large amount of 6 roller mills or the multi-roll mills of adopting of the cold rolling strip-mill strip of metal also adopt intermediate calender rolls except working roll and backing roll.In China Patent No., be 2012203566440, within open day, be March 13 in 2013 day, be called in the patent document of " milling train " and disclose a kind of six-high cluster mill.But in board rolling, at roll, impose under the roll-force that band (band steel) is very large, with the deformation force of steel, make and the working roll generation elastic bending directly contacting with steel, make strip edge edge occur sharply to decline, thereby cause forming kink shape and edge thinning.The limit portion that 6 roller mills or multi-roll mill are controlled strip by intermediate calender rolls traversing is for this reason stressed, to improve plate shape.But it is cylindrical that the shape of intermediate calender rolls of the prior art is, the position of pre-set intermediate calender rolls in actual rolling work, the barrel portion of intermediate calender rolls and the contact length of working roll are fixed.The shortcoming of the above structure of intermediate calender rolls is, because thickness, the physical property of stocking are dynamic changes, roll-force is dynamic change, the intermediate calender rolls of this column construction can not change dynamically change intermediate calender rolls roll surface contact length according to condition and enter change strip stress, therefore be difficult to make the corrective action of plate shape to reach better.
Utility model content
The utility model provides a kind of strip-mill strip roll structure that can change intermediate calender rolls roll surface contact length, has solved existing intermediate calender rolls roll surface contact length strip edge shape immutable and that cause and can not adjust to satisfactory problem.
Above technical problem solves by following technical proposal: a kind of strip-mill strip roll structure, comprise the roll stacks that two groups of subtends arrange, described roll stacks comprises the working roll, intermediate calender rolls and the backing roll that set gradually, described intermediate calender rolls comprises cylindrical portion and is connected to the conical section of cylindrical portion one end, the described conical section place opposite direction of the intermediate calender rolls in two groups of roll stacks.Design conical section, in the operation of rolling conical section part according to the variation of roll-force dynamically with the contacting of working roll roll surface generation different length, by move axially intermediate calender rolls along intermediate calender rolls, remove to change conical section and apart from the distance at strip edge, change strip edge sharply falling portion bit position occurs, and then change strip limit portion stress, reach the good object of control panel band edge portion plate shape, strip edge shape is met the requirements.
As preferably, the tapering≤1:10 of described conical section.Rectification effect is good.
As preferably, the mode that described conical section coordinates by sphere is hinged on the end face of described cylindrical portion, between described conical section and backing roll, be provided with conical section incidence regulating mechanism, described conical section incidence regulating mechanism comprises pushing block and the driving mechanism that drives pushing block to move, described pushing block is provided with stopper slot, and described conical section is connected in described stopper slot.If conical section is fixed together with cylindrical portion, the angle between the conical surface and the working roll of conical section is changeless, the rolling work that makes intermediate calender rolls edge Adjusting Shape can only adapt to a kind of thickness, physical property and roll the band of power scope, when needing other thickness of rolling, physical property and rolling the band of power scope, need to change the intermediate calender rolls of the conical section with the tapering mating with this other band, thereby cause the production bad adaptability of intermediate calender rolls, change extremely require great effort during intermediate calender rolls with time-consuming, therefore change during rolling and produce operation inconvenience; Due to reasons such as the deviations of theory and practice, the intermediate calender rolls that also can produce possible in theory can not adapt to need of production and needs are again changed the situation of intermediate calender rolls and produced, thereby has further caused the inconvenience of operation.Adopt after this technical scheme, can go to drive pushing block to move by driving mechanism, pushing block drives conical section to swing and changes the angle between the conical surface and the working roll of conical section, thereby realize while changing band kind without changing intermediate calender rolls, make intermediate calender rolls can adapt to the rolling of different bands, the convenience when having improved the adaptability of intermediate calender rolls and having produced.
As preferably, the axis of described cylindrical portion and the axis of conical section all pass through the center of the sphere at described cylindrical portion and conical section mating surface place, the equal and opposite in direction of the size of the bottom of described conical section and described cylindrical portion cross section, in the plane at place, bottom that is centered close to described conical section of the sphere at described cylindrical portion and conical section mating surface place.Can reduce fracture that the junction of conical section and cylindrical portion forms and the width in the out-of-flatness region of the band that causes.When the angle between conical section axis and cylindrical portion axis changes, the low side side face of conical section can not protrude from the side face of cylindrical portion all the time, makes the hinged place of conical section and cylindrical portion be not easy to produce phenomenon of rupture.
As preferably, together with described pushing block is connected to described backing roll away from one end of described stopper slot, described driving mechanism comprises and drives the translation mechanism of described pushing block along described cylindrical portion axial translation.Simple in structure, easy to make.But conical section remains that with stopper slot face contact in the time of can not guaranteeing that angle between conical section and working roll changes, but not face contacts and easily causes producing on conical section impression.The existence of impression can cause the roughness descent on strip surface.
As preferably, described translation mechanism is cylinder, and the piston rod of described cylinder and described pushing block link together, and the piston rod of described cylinder extends axially along described cylindrical portion.
As preferably, described roll stacks also comprises rolling wheel, between described conical head and cylindrical portion, forms fracture, and the two distributes described rolling wheel and fracture from back to front successively along band feedstock direction.Can improve the surface smoothness of the strip of rolling.The power that driving mechanism acts on pushing block can not produce the moment of torsion that destroys conical section and cylindrical portion pin joint.
As preferably, the bus of described conical section is straight line, parabola or cube line.Rectification effect is good.
The utlity model has following advantage: design conical section, in the operation of rolling conical section part according to the variation of roll-force dynamically with the contacting of working roll roll surface generation different length, by move axially intermediate calender rolls along intermediate calender rolls, remove to change conical section and apart from the distance at strip edge, change strip edge sharply falling portion bit position occurs, and then change strip limit portion stress, reach the good object of control panel band edge portion plate shape, strip edge shape is met the requirements.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model embodiment mono-.
Fig. 2 is the structural representation of the utility model conical section and the embodiment bis-of cylindrical portion when coaxial state.
Fig. 3 is that schematic diagram is looked on the support bar that is positioned at strip top in Fig. 2 and a left side for intermediate calender rolls.
Fig. 4 is the structural representation of the utility model embodiment tri-.
In figure: roll stacks 1, working roll 11, intermediate calender rolls 12, cylindrical portion 121, cylindrical portion cross section 1212, conical section 122, the bottom 1222 of conical section, fracture 123, backing roll 13, rolling wheel 14, strip 2, conical section incidence regulating mechanism 3, pushing block 31, stopper slot 311, driving mechanism 32, cylinder 321, cylinder block 3211, cylinder piston rod 3212, connecting rod 322, the axis L1 of cylindrical portion, the axis L2 of conical section, the Spherical Surface S 1 at cylindrical portion and conical section mating surface place, the planar S 2 at the place, bottom of conical section.
The specific embodiment
Below in conjunction with accompanying drawing and embodiment, the utility model is further described.
Embodiment mono-, referring to Fig. 1, a kind of strip-mill strip, comprises two groups of roll stacks 1 that subtend arranges along the vertical direction.Roll stacks 1 comprises the working roll 11, intermediate calender rolls 12 and the backing roll 13 that set gradually.
Intermediate calender rolls 12 comprises cylindrical portion 121 and conical section 122.Conical section 122 is positioned at axial one end of cylindrical portion 121.Conical section 122 and cylindrical portion 121 link together by the form of integrative-structure.Certainly by the mode of welding, link together also passable.Conical section on 122, intermediate calender rolls of conical section on intermediate calender rolls in two groups of roll stacks 1 is positioned at conical section on left end, another root intermediate calender rolls of intermediate calender rolls and is positioned at the right-hand member of intermediate calender rolls.The tapering of conical section 122 is 1:10.The bus of conical section 122 is straight line.
During use, strip 2 moves ahead with the direction that vertically enters paper between two groups of roll stacks 1, and working roll 11 contacts with strip 2 and strip is rolled to operation.
By the utility model, to the method for strip edge shape control, be (with the method that strip left hand edge shape is controlled, illustrating below): by picture pick-up device (as video camera, digital camera etc.) along axial (the i.e. left and right directions in figure of working roll 11, also be the width of strip 2) from left to right the left hand edge of strip 2 is carried out forward photography and obtains a just shadow realtime graphic of the longitudinal left surface of strip, by data processing equipment (as computer, PLC etc.) by longitudinal strip left surface just a shadow realtime graphic and the longitudinal left surface of strip just a shadow set image ratio, if deviation range in setting range, represents strip left hand edge, shape is qualified, if deviation range exceeds setting range, represent that strip left hand edge shape is defective, when defective, by be positioned at the intermediate calender rolls of strip 2 tops along left and right directions adjustment, change conical section on this intermediate calender rolls and apart from the distance of strip 2 left hand edges, change the intermediate calender rolls roll surface that is positioned at strip top and with the contact length of working roll, when strip left hand edge section configuration meets the requirements, stop moving axially of intermediate calender rolls.The method that strip 2 right hand edge shapes are controlled is identical with the method for above strip left side edge being controlled, and does not repeat.
Embodiment bis-, referring to Fig. 2, with the difference of embodiment mono-is: the mode that conical section 122 coordinates by sphere is hinged on the end face of cylindrical portion 121.Between conical section 122 and backing roll 13, be provided with conical section incidence regulating mechanism 3.Conical section incidence regulating mechanism 3 comprises pushing block 31 and driving mechanism 32.Pushing block 31 one end with backing roll 13 be connected to together, the other end is connected to together with conical section 122.The axis L1 of cylindrical portion and the axis L2 of conical section pass through the center of the Spherical Surface S 1 at cylindrical portion and conical section mating surface place.In the planar S 2 at the place, bottom that is centered close to conical section of the Spherical Surface S 1 at cylindrical portion and conical section mating surface place.Driving mechanism 32 comprises translation mechanism 321 and connecting rod 322.Translation mechanism 321 is cylinder, and this cylinder comprises cylinder block 3211 and cylinder piston rod 3212.One end of connecting rod 322 and cylinder piston rod 3212 are fixed together, the other end and pushing block 31 are fixed together.
Referring to Fig. 3, the bottom 1222 of conical section and the equal and opposite in direction of cylindrical portion cross section 1212.Pushing block 31 is provided with stopper slot 311.Conical section 122 is connected in stopper slot 311.
Referring to Fig. 2 and Fig. 3, in the present embodiment also by driving mechanism 32 drive pushing block 31 along cylindrical portion 121 axially in figure left and right directions move, make included angle A between conical section and working roll change intermediate calender rolls roll surface with the contact length of working roll, strip edge section configuration is met the requirements.
Embodiment tri-, referring to Fig. 4, with the difference of embodiment bis-is:
Embodiment tetra-, with the difference of embodiment tri-is: the tapering of conical section is 1:12.The bus of conical section is parabola.
Embodiment five, with the difference of embodiment tetra-is: the tapering of conical section is 1:15.The bus of conical section is a cube line.
Claims (8)
1. a strip-mill strip roll structure, comprise the roll stacks that two groups of subtends arrange, described roll stacks comprises the working roll, intermediate calender rolls and the backing roll that set gradually, it is characterized in that, described intermediate calender rolls comprises cylindrical portion and is connected to the conical section of cylindrical portion one end, the described conical section place opposite direction of the intermediate calender rolls in two groups of roll stacks.
2. strip-mill strip roll structure according to claim 1, is characterized in that, the tapering≤1:10 of described conical section.
3. strip-mill strip roll structure according to claim 2, it is characterized in that, the mode that described conical section coordinates by sphere is hinged on the end face of described cylindrical portion, between described conical section and backing roll, be provided with conical section incidence regulating mechanism, described conical section incidence regulating mechanism comprises pushing block and the driving mechanism that drives pushing block to move, described pushing block is provided with stopper slot, and described conical section is connected in described stopper slot.
4. strip-mill strip roll structure according to claim 3, it is characterized in that, the axis of described cylindrical portion and the axis of conical section all pass through the center of the sphere at described cylindrical portion and conical section mating surface place, the equal and opposite in direction of the size of the bottom of described conical section and described cylindrical portion cross section, in the plane at place, bottom that is centered close to described conical section of the sphere at described cylindrical portion and conical section mating surface place.
5. according to the strip-mill strip roll structure described in claim 3 or 4, it is characterized in that, together with described pushing block is connected to described backing roll away from one end of described stopper slot, described driving mechanism comprises the translation mechanism of the described pushing block of driving along described cylindrical portion axial translation.
6. strip-mill strip roll structure according to claim 5, is characterized in that, described translation mechanism is cylinder, and the piston rod of described cylinder and described pushing block link together, and the piston rod of described cylinder extends axially along described cylindrical portion.
7. according to the strip-mill strip roll structure described in claim 3 or 4, it is characterized in that, described roll stacks also comprises rolling wheel, between described conical head and cylindrical portion, forms fracture, and the two distributes described rolling wheel and fracture from back to front successively along band feedstock direction.
8. according to the strip-mill strip roll structure described in claim 1 or 2 or 3 or 4, it is characterized in that, the bus of described conical section is straight line, parabola or cube line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320638713.1U CN203556640U (en) | 2013-10-17 | 2013-10-17 | Roll structure of strip rolling mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320638713.1U CN203556640U (en) | 2013-10-17 | 2013-10-17 | Roll structure of strip rolling mill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203556640U true CN203556640U (en) | 2014-04-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320638713.1U Expired - Lifetime CN203556640U (en) | 2013-10-17 | 2013-10-17 | Roll structure of strip rolling mill |
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| CN (1) | CN203556640U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112588830A (en) * | 2020-11-19 | 2021-04-02 | 北京科技大学 | Six-roller cold rolling mill plate shape control working roller suitable for non-shifting roller and design method thereof |
-
2013
- 2013-10-17 CN CN201320638713.1U patent/CN203556640U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112588830A (en) * | 2020-11-19 | 2021-04-02 | 北京科技大学 | Six-roller cold rolling mill plate shape control working roller suitable for non-shifting roller and design method thereof |
| CN112588830B (en) * | 2020-11-19 | 2021-11-26 | 北京科技大学 | Six-roller cold rolling mill plate shape control working roller suitable for non-shifting roller and design method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: Nan Lu Da Yuan Zhen bridge in Fuyang District of Hangzhou City, Zhejiang Province, No. 198 311413 Patentee after: ZHEJIANG HUADA NEW MATERIAL Co.,Ltd. Address before: Dayuan industry function area of Fuyang city Hangzhou city Zhejiang province 311413 Patentee before: ZHEJIANG HUADA NEW MATERIAL Co.,Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20140423 |
|
| CX01 | Expiry of patent term |