CN106694551B - Section-variable rolling machine undisturbed roller structure - Google Patents
Section-variable rolling machine undisturbed roller structure Download PDFInfo
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- CN106694551B CN106694551B CN201611103552.0A CN201611103552A CN106694551B CN 106694551 B CN106694551 B CN 106694551B CN 201611103552 A CN201611103552 A CN 201611103552A CN 106694551 B CN106694551 B CN 106694551B
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- roller
- roll
- bearing block
- bending
- lower support
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B13/00—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories
- B21B13/02—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories with axes of rolls arranged horizontally
- B21B13/023—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories with axes of rolls arranged horizontally the axis of the rolls being other than perpendicular to the direction of movement of the product, e.g. cross-rolling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B27/00—Rolls, roll alloys or roll fabrication; Lubricating, cooling or heating rolls while in use
- B21B27/02—Shape or construction of rolls
- B21B27/021—Rolls for sheets or strips
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B31/00—Rolling stand structures; Mounting, adjusting, or interchanging rolls, roll mountings, or stand frames
- B21B31/02—Rolling stand frames or housings; Roll mountings ; Roll chocks
- B21B2031/026—Transverse shifting the stand
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Geometry (AREA)
- Reduction Rolling/Reduction Stand/Operation Of Reduction Machine (AREA)
Abstract
The invention discloses a kind of section-variable rolling machine undisturbed roller structure, including upper bending system and lower bending system, the upper bending system is identical with lower bending system structure, setting symmetrical above and below；The lower bending system includes fore side roller group and transmission side roller group.Section-variable rolling machine undisturbed roller structure of the present invention, upper bending system is arranged on top backing up roll bearing block, lower bending system is arranged on lower support roll bearing block.It is arranged so as to top backing up roll roller system, top working roll roller system, upper bending system being integrally formed；Lower support roll roller system, bottom working roll roller system, lower bending system are integrally formed.An internal force of the top working roll bending roller force equivalent to top entirety, only it is applied on top backing up roll bearing block, an internal force of the bottom working roll bending roller force equivalent to lower part entirety, only it is applied on lower support roll bearing block, it is not transferred on AGC cylinders, the response frequency of AGC cylinders is not also influenced, improves rolling accuracy.
Description
Technical field
The present invention relates to cold-rolling process field, a kind of milling train undisturbed roller structure of cold rolled automobile sheet variable cross-section rolling.
Background technology
At present, cold-strip develops to high-quality, high-performance, the direction of cost declining energy-saving and emission-reduction.Variable cross-section Automobile Plate is cold
Milling train group is used for rolling changeable section steel plate, is mainly used in automobile industry, and contribution is made that for the lightweight of automobile.Nowadays stone
The high environmental pollution of oil price lattice is serious, and for energy-saving and emission-reduction, the lightweight of vehicle body is a kind of effective approach, is not only able to
The use of fuel oil can also be reduced by reducing the usage amount of vehicle body steel, and variable cross-section thin plate (TRB) is exactly this to be suitable for Automobile
The light-weighted steel plate of body, therefore the favor of user has been obtained, wide market is in great demand.
In order to meet the needs of domestic market, variable cross-section Automobile Plate rolling equipment research tool is of great significance.
Conventional operation roll of mill bending system is typically located in rolling-mill housing, and working roll bending cylinder is fixed.
Roll-bending cylinder acts therewith when AGC cylinders act.The piston rod of roll-bending cylinder can rise and fall, pass through roller cylinder piston rod pair
The bending roller force that working roll bearing block applies, can pass sequentially through the working roll body of roll, the backing roll body of roll, back-up chock, final to pass
It is delivered on AGC cylinders.
Work roll bending system and AGC high-pressure systems are same high-pressure systems.
Conventional rolling mill AGC cylinders have load governing speed≤2mm/sec, and section-variable rolling machine AGC cylinders have load governing speed≤
25mm/sec。
Due to variable cross-section rolling AGC cylinders need frequent movement, if working roll bending cylinder acts therewith, roll-bending cylinder it is frequent
Action will have interference to high-pressure system, and the roll-force and response frequency that will be produced to AGC cylinders have big interference, meet not
Required precision.Due to the particularity of variable cross-section rolling, milling train needs to complete very big drafts in a short period of time, these
It is very big to be influenced caused by interference.
The content of the invention
According to technical problem set forth above, and a kind of section-variable rolling machine undisturbed roller structure is provided, it is existing for solving
Some section-variable rolling machine AGC cylinders need frequent movement, and working roll bending cylinder acts therewith, and the frequent movement of roll-bending cylinder will be to height
Pressure system has interference, and the roll-force and response frequency that will be produced to AGC cylinders have big interference, can not meet required precision
Shortcoming.The technological means that the present invention uses is as follows：
A kind of section-variable rolling machine undisturbed roller structure, including upper bending system and lower bending system, the upper roller
System is identical with lower bending system structure, setting symmetrical above and below；The lower bending system includes fore side roller group and transmission
Lateral bending roller group, the fore side roller group are identical with transmission side roller group structure；The fore side roller group and transmission side
Roller group is respectively by the identical roller structure composition of entrance side and outlet side two.
The roller structure includes lower support roll bearing block, and sliding sleeve is provided with the lower support roll bearing block, described
Sliding sleeve be fixed on lower support roll bearing block, sliding sleeve is fixed on motionless in lower support roll bearing block.Set in the sliding sleeve
There is roll-bending cylinder piston/cylinder, the roll-bending cylinder piston/cylinder can slide up and down in sliding sleeve；The roll-bending cylinder piston cylinder
Internal piston is fixedly connected with one end of bottom working roll roller cylinder piston rod, and the other end of bottom working roll roller cylinder piston rod leads to
Cross fixed block to be fixed on lower support roll bearing block, the lower support roll bearing block bottom is provided with AGC cylinders.
Milling train bottom of window, the AGC cylinder cylinder rod heads and lower support roll shaft are arranged in as the preferably described AGC cylinders
Bearing low side contacts.
It is symmetrical respectively at the entrance side and outlet side of bottom working roll as four roller structures in preferred lower bending system
Set, bottom working roll is installed on bottom working roll bearing block, and the bottom working roll bottom is provided with lower support roll.
Strip is rolled as being provided between preferred top working roll and bottom working roll.
Section-variable rolling machine undisturbed roller structure of the present invention, is provided with sliding sleeve in the lower support roll bearing block,
Sliding sleeve is fixed on motionless in lower support roll bearing block.Roll-bending cylinder piston/cylinder, roll-bending cylinder piston cylinder are provided with the sliding sleeve
Body can move up and down in sliding sleeve.Piston in the roll-bending cylinder piston/cylinder is the same as the one of bottom working roll roller cylinder piston rod
End is fixedly connected, and the other end of bottom working roll roller cylinder piston rod is fixed on lower support roll bearing block by fixed block.Will be upper
Bending system is arranged on top backing up roll bearing block, and lower bending system is arranged on lower support roll bearing block.Being arranged so as to will
Top backing up roll roller system, top working roll roller system, upper bending system make a top entirety；By lower support roll roller system, bottom working roll
A lower part entirety is made by roller system, lower bending system.Top working roll bending roller force is only acted on equivalent to an internal force of top entirety
Onto top backing up roll bearing block, bottom working roll bending roller force is only applied to lower support roll shaft equivalent to an internal force of lower part entirety
In bearing, it is not transferred on AGC cylinders, the response frequency of AGC cylinders is not also influenced, improves rolling accuracy.
Brief description of the drawings
The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.
Fig. 1 be roller diameter as-rolled condition schematic diagram of the invention maximum (direction shown in arrow is rolling direction in figure, A sides be into
Mouth side, B sides are outlet side).
Fig. 2 is schematic structural view of the invention (C sides are fore side in figure, and D sides are transmission side).
Fig. 3 is the enlarged diagram at roller structure of the present invention.
Wherein：1st, lower support roll bearing block, 2, fixed block, 3, bottom working roll roller cylinder piston rod, 4, roll-bending cylinder piston cylinder
Body, 5, bottom working roll bearing block, 6, sliding sleeve, 7, AGC cylinders, 8, lower support roll, 9, bottom working roll, 10, rolled strip.
Embodiment
As shown in Fig. 1 to Fig. 3, a kind of section-variable rolling machine undisturbed roller structure, including upper bending system and lower roller system
System, the upper bending system is identical with lower bending system structure, setting symmetrical above and below；The lower bending system includes operation
Lateral bending roller group and transmission side roller group, the fore side roller group are identical with transmission side roller group structure；The fore side
Roller group and transmission side roller group are respectively by the identical roller structure composition of entrance side and outlet side two.
Upper bending system and lower bending system have 4 identical roller structures respectively.
Four roller structures in lower bending system are symmetrical arranged respectively at the entrance side and outlet side of bottom working roll 9, under
Working roll 9 is installed on bottom working roll bearing block 5, and 9 bottom of bottom working roll is provided with lower support roll 8.Top working roll and
It is provided between bottom working roll 9 and is rolled strip 10.
The roller structure includes lower support roll bearing block 1, and sliding sleeve 6, institute are provided with the lower support roll bearing block 1
The sliding sleeve 6 stated is fixed on lower support roll bearing block 1, and roll-bending cylinder piston/cylinder 4 is provided with the sliding sleeve 6, and described is curved
Roller the cylinder piston cylinder body 4 can slide up and down in sliding sleeve 6；Piston in the roll-bending cylinder piston/cylinder 4 is curved with bottom working roll
One end of roller cylinder piston rod 3 is fixedly connected, and the other end of bottom working roll roller cylinder piston rod 3 is fixed on lower branch by fixed block 2
On runner bearing block 1, so make equivalent to one entirety of bottom working roll roller cylinder piston rod 3 and lower support roll bearing block 1, the two
Keep relative position motionless.
1 bottom of lower support roll bearing block is provided with AGC cylinders 7.The AGC cylinders 7 are arranged in milling train bottom of window,
The 7 cylinder rod head of AGC cylinders is contacted with 1 low side of lower support roll bearing block.
Section-variable rolling machine undisturbed roller structure of the present invention, the section-variable rolling machine undisturbed roller technology having,
The precision of product can be improved, is the key technology of variable cross-section rolling.
The top working roll bending system that upper bending system forms is arranged on top backing up roll bearing block, by lower bending system
The bottom working roll bending system of composition is arranged on lower support roll bearing block, and roll-bending cylinder cylinder rod and piston are fixed on lower support roll shaft
It is motionless in bearing.And roll-bending cylinder cylinder body is arranged on the sliding sleeve of back-up chock, it is moved up and down, and passes through it
Bending roller force is applied to working roll bearing block.
Top working roll roller system, upper bending system, top backing up roll roller system three have been synthesized top entirety by this technology, by under
Working roll roller system, lower bending system, lower support roll roller system three have synthesized lower part entirety, they can rise and fall together,
Top working roll bending roller force equivalent to top entirety an internal force, untill being only applied on top backing up roll bearing block, bottom working roll
Bending roller force equivalent to lower part entirety an internal force, untill being only applied on lower support roll bearing block, without interference with milling train other
Equipment, greatly improves rolling accuracy.
When hydraulic system fuel feeding, roll-bending cylinder piston/cylinder 4 can slide up and down in sliding sleeve 6, outside roll-bending cylinder piston/cylinder 4
Boss be inserted in the groove of bottom working roll bearing block 5, drive bottom working roll bearing block 5 to move up and down together, realize to lower work
Make roll bearing seat 5 and apply bending roller force.
The milling train that the present invention is applied pushes to structure to be all-hydraulic, there is provided the AGC cylinders 7 of roll-force are arranged in milling train window bottom
Portion, by hydraulic system oil supply, the piston rod rise and fall of AGC cylinders 7, roll-force is delivered to 1 on lower support roll bearing block,
Lower support roll bearing block 1 drives lower support roll 8, and 8 roll surface of lower support roll contacts with 9 roll surface of bottom working roll, 9 roll surface of bottom working roll and
Rolled the contact of 10 surface of strip.Roll-force has been delivered to by realization is rolled on strip 10.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art the invention discloses technical scope in, technique according to the invention scheme and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (4)
1. a kind of section-variable rolling machine undisturbed roller structure, it is characterised in that described including upper bending system and lower bending system
Upper bending system it is identical with lower bending system structure, setting symmetrical above and below；
The lower bending system includes fore side roller group and transmission side roller group, the fore side roller group and transmission side
Roller group structure is identical；
The fore side roller group and transmission side roller group are respectively by the identical roller structure group of entrance side and outlet side two
Into；
The roller structure includes lower support roll bearing block (1), and sliding sleeve (6) is provided with the lower support roll bearing block (1),
The sliding sleeve (6) is fixed on lower support roll bearing block (1), and roll-bending cylinder piston/cylinder is provided with the sliding sleeve (6)
(4), the roll-bending cylinder piston/cylinder (4) can slide up and down in sliding sleeve (6)；
Piston in the roll-bending cylinder piston/cylinder (4) is fixedly connected with one end of bottom working roll roller cylinder piston rod (3), under
The other end of work roll bending cylinder piston rod (3) is fixed on lower support roll bearing block (1) by fixed block (2), under described
Back-up chock (1) bottom is provided with AGC cylinders (7).
2. section-variable rolling machine undisturbed roller structure according to claim 1, it is characterised in that：
The AGC cylinders (7) are arranged in milling train bottom of window, AGC cylinders (7) the cylinder rod head and lower support roll bearing block
(1) low side contacts.
3. section-variable rolling machine undisturbed roller structure according to claim 1 or 2, it is characterised in that：
Four roller structures in lower bending system are symmetrical arranged respectively at the entrance side and outlet side of bottom working roll (9), lower work
Make roller (9) to be installed on bottom working roll bearing block (5), the bottom working roll (9) bottom is provided with lower support roll (8).
4. section-variable rolling machine undisturbed roller structure according to claim 3, it is characterised in that：
It is provided between top working roll and bottom working roll (9) and is rolled strip (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611103552.0A CN106694551B (en) | 2016-12-05 | 2016-12-05 | Section-variable rolling machine undisturbed roller structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611103552.0A CN106694551B (en) | 2016-12-05 | 2016-12-05 | Section-variable rolling machine undisturbed roller structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106694551A CN106694551A (en) | 2017-05-24 |
| CN106694551B true CN106694551B (en) | 2018-04-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611103552.0A Active CN106694551B (en) | 2016-12-05 | 2016-12-05 | Section-variable rolling machine undisturbed roller structure |
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Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5987904A (en) * | 1982-11-12 | 1984-05-21 | Mitsubishi Heavy Ind Ltd | Work roll bending cylinder device |
| CN2125468U (en) * | 1992-03-30 | 1992-12-23 | 冶金工业部钢铁研究总院 | Hydraulic roll bending device |
| US6151943A (en) * | 1998-01-21 | 2000-11-28 | Hitachi, Ltd. | Rolling machine and rolling method |
| CN101091963A (en) * | 2007-07-26 | 2007-12-26 | 大连华锐股份有限公司 | Strip mill of using combined type hydraulic cylinder of bending roller |
| CN101185942A (en) * | 2007-12-25 | 2008-05-28 | 二重集团（德阳）重型装备股份有限公司 | Roller mill roll bending and shifting device |
| CN201239738Y (en) * | 2008-08-13 | 2009-05-20 | 中国第一重型机械集团公司 | Floating working roll bending cylinder block |
| CN201427137Y (en) * | 2009-07-08 | 2010-03-24 | 大连华锐股份有限公司 | Upper working roll bending device for four-high mill |
| CN101954381A (en) * | 2010-09-15 | 2011-01-26 | 中冶京诚工程技术有限公司 | Working roll bending device of plate band rolling mill |
| CN103157666A (en) * | 2013-04-11 | 2013-06-19 | 中冶赛迪工程技术股份有限公司 | Plate strip rolling mill roller adjusting device |
| CN203316479U (en) * | 2013-07-04 | 2013-12-04 | 北京京诚之星科技开发有限公司 | Cold rolling strip rolling mill |
| CN104741385A (en) * | 2015-04-14 | 2015-07-01 | 中冶赛迪工程技术股份有限公司 | Working roller bending device for double-roller rolling machine and roller bending force control method |
-
2016
- 2016-12-05 CN CN201611103552.0A patent/CN106694551B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5987904A (en) * | 1982-11-12 | 1984-05-21 | Mitsubishi Heavy Ind Ltd | Work roll bending cylinder device |
| CN2125468U (en) * | 1992-03-30 | 1992-12-23 | 冶金工业部钢铁研究总院 | Hydraulic roll bending device |
| US6151943A (en) * | 1998-01-21 | 2000-11-28 | Hitachi, Ltd. | Rolling machine and rolling method |
| CN101091963A (en) * | 2007-07-26 | 2007-12-26 | 大连华锐股份有限公司 | Strip mill of using combined type hydraulic cylinder of bending roller |
| CN101185942A (en) * | 2007-12-25 | 2008-05-28 | 二重集团（德阳）重型装备股份有限公司 | Roller mill roll bending and shifting device |
| CN201239738Y (en) * | 2008-08-13 | 2009-05-20 | 中国第一重型机械集团公司 | Floating working roll bending cylinder block |
| CN201427137Y (en) * | 2009-07-08 | 2010-03-24 | 大连华锐股份有限公司 | Upper working roll bending device for four-high mill |
| CN101954381A (en) * | 2010-09-15 | 2011-01-26 | 中冶京诚工程技术有限公司 | Working roll bending device of plate band rolling mill |
| CN103157666A (en) * | 2013-04-11 | 2013-06-19 | 中冶赛迪工程技术股份有限公司 | Plate strip rolling mill roller adjusting device |
| CN203316479U (en) * | 2013-07-04 | 2013-12-04 | 北京京诚之星科技开发有限公司 | Cold rolling strip rolling mill |
| CN104741385A (en) * | 2015-04-14 | 2015-07-01 | 中冶赛迪工程技术股份有限公司 | Working roller bending device for double-roller rolling machine and roller bending force control method |
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| CN106694551A (en) | 2017-05-24 |
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