CN106994465B - The collateral support arrangement regulating mechanism of 18 cold mills and control method - Google Patents
The collateral support arrangement regulating mechanism of 18 cold mills and control method Download PDFInfo
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- CN106994465B CN106994465B CN201710398501.3A CN201710398501A CN106994465B CN 106994465 B CN106994465 B CN 106994465B CN 201710398501 A CN201710398501 A CN 201710398501A CN 106994465 B CN106994465 B CN 106994465B
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- working roll
- hydraulic cylinder
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- stripper
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- 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
- B21B31/16—Adjusting or positioning rolls
- B21B31/20—Adjusting or positioning rolls by moving rolls perpendicularly to roll axis
- B21B31/22—Adjusting or positioning rolls by moving rolls perpendicularly to roll axis mechanically, e.g. by thrust blocks, inserts for removal
- B21B31/30—Adjusting or positioning rolls by moving rolls perpendicularly to roll axis mechanically, e.g. by thrust blocks, inserts for removal by wedges or their equivalent
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B29/00—Counter-pressure devices acting on rolls to inhibit deflection of same under load, e.g. backing rolls ; Roll bending devices, e.g. hydraulic actuators acting on roll shaft ends
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B37/00—Control devices or methods specially adapted for metal-rolling mills or the work produced thereby
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- Mechanical Engineering (AREA)
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Abstract
The present invention relates to a kind of collateral support arrangement regulating mechanism of 18 cold mills and control methods, its regulating mechanism includes framework memorial archway, side support roller, backing cloth bearing roller and side braced frame, the side support roller and backing cloth bearing roller are mounted in the braced frame of side, it is characterized in that, the framework memorial archway entrance side and outlet side are provided with stripper, stripper is arranged symmetrically along roll line, the front end of the stripper install two respectively with top working roll, the compatible side braced frame of bottom working roll, it is provided with the guide rail of horizontal direction and the Cam device of vertical direction on the framework memorial archway of transmission side and fore side, stripper is by guide supporting, stripper is pushed to be slided along guide rail by Cam device, to drive side braced frame to shift to working roll together with side support roller.The collateral support arrangement regulating mechanism of 18 cold mill provided by the invention is reasonable for structure, easy to maintain, swift to operate, and control is simple.
Description
Technical field
The present invention relates to cold-strip steel technical fields, more specifically to a kind of collateral support arrangement of 18 cold mills
Regulating mechanism and control method.
Background technology
The roller of 18 cold mills is by upper lower backing roll 2, upper and lower intermediate calender rolls 3, upper working rolls and lower working rolls 4 and collateral support arrangement
Composition, as shown in Figure 1, collateral support arrangement shares 4 groups, is located at the entrance side and outlet side of upper working rolls and lower working rolls 4, each collateral
Support arrangement includes 5, two backing cloth bearing rollers 6 of a side support roller and a side braced frame 7, wherein side support roller 5 and backing
Bearing roller 6 is mounted in side braced frame 7.During the rolling process by turriform arrange backing cloth bearing roller 6 and side support roller 5 come
Working roll 4 is supported, the rigidity for increasing by 4 horizontal direction of working roll is reached, reduces the purpose of 4 horizontal amount of deflection of working roll.
Patent DE3324562C2 discloses a kind of 18 cold mills, and collateral support arrangement is mounted on intermediate roll bearing seat
Or on supporting roller bearing seat, entrance side and outlet side arrange side supporting beam and screw jack or hydraulic cylinder, very heavy by spiral
Top or Hydraulic Cylinder side supporting beam, and then hinge of the push side support device in intermediate roll bearing seat or supporting roller bearing seat
Contact rotates, and both sides side support roller is made to be contacted with working roll.When driving screw jack or hydraulic cylinder make collateral support in the program
After beam exits, collateral support arrangement is still hung in intermediate roll bearing seat, and the roller replacing operation time is longer.
Patent CN103341493B discloses a kind of oil cylinder wedge adjusting apparatus of the collateral support of eighteen-high mill working roll.Its
Collateral support arrangement arrangement and patent DE3324562C2 identical (being mounted in intermediate roll bearing seat), the difference is that in side
It arranges that Wedge device, the other side arrange stretch oil cylinder, drives turbine and worm to push Wedge device by motor, and then push the side
Collateral support arrangement in intermediate roll bearing seat hinge joint rotation, so that the side support roller of the side is contacted with working roll, another
Side pushes hinge joint of the collateral support arrangement of the side in intermediate roll bearing seat to rotate by stretch oil cylinder, makes the side of the side
Support roller is contacted with working roll.Wedge device is located at entrance side in the obvious program, and stretch oil cylinder is located at outlet side.Due to strip
Entrance side is directed towards to the resultant force of working roll active force with intermediate calender rolls, if reversed rolling, which will be by stretch oil cylinder
It bears, and firm Wedge device will be not subject to power, be easy to happen working roll and be shaken towards entrance side.Therefore the program is only used for
Unidirection rolling may not apply to reversible rolling.
Patent CN203370820U discloses a kind of wedge adjusting apparatus of the collateral support of eighteen-high mill working roll.Its is collateral
Support arrangement arrangement and patent DE3324562C2 and CN103341493B identical (being mounted in intermediate roll bearing seat) are different
Be that entrance side and outlet side all arrange Wedge device.Since entrance side and outlet side are all to utilize Wedge device firm grip,
Both sides rigidity is all very strong, is easy after operation of rolling central roll system's expanded by heating collateral support arrangement top is bad.In addition work as the operation of rolling
When generating gap between middle working roll and side support roller, turbine and worm response is too slow, cannot eliminate gap quickly, influence to produce.
Patent CN102781599B discloses a kind of roll stand, and collateral support arrangement is mounted on intermediate calender rolls roller bending block,
Entrance side and outlet side all arrange propulsive mechanism, pass through hinge of the propulsive mechanism push side support device on intermediate calender rolls roller bending block
Contact rotates, and realizes that both sides side support roller is contacted with working roll.After propulsive mechanism exits, then pulled by hydraulic jack collateral
Support arrangement swing is exited.The swing arm of collateral support arrangement is longer in the program, keeps equipment in rack crowded, is unfavorable for intermediate calender rolls roll change
With plant maintenance in rack.
Patent US7104101B1 discloses a kind of eighteen-high mill, and collateral support arrangement is mounted on opposite roll line and tilts
On the hydraulic cylinder piston rod of arrangement, which is mounted in rack, by the collateral support arrangement of Driven by Hydraulic Cylinder along in rack
Guide rail movement, realize the advance of collateral support arrangement and exit.The conjunction of strip and intermediate calender rolls to working roll active force in the program
Power is born by the adjusting hydraulic cylinder and guiding mechanism of collateral support arrangement completely, therefore very high to hydraulic cylinder requirement, and guiding mechanism
It is fragile.In addition, the weight of equipment of entire collateral support arrangement regulating mechanism is very big, equipment investment cost is increased.
It can be seen that the roll system structure of different types of 18 cold mill is all identical, difference lies in collateral support dresses
The structure type of the arrangement and regulating mechanism set is different.And the regulating mechanism of above-mentioned 5 kinds of collateral support arrangements has it intrinsic
Disadvantage.
Invention content
The technical problem to be solved in the present invention is, provides a kind of hard and soft collateral support arrangement tune of 18 cold mills taken into account
Mechanism and control method are saved, the regulating mechanism is reasonable for structure, easy to maintain, and manipulation is simple, and equipment cost is low.
The technical solution adopted by the present invention to solve the technical problems is：A kind of collateral support arrangement of 18 cold mills of construction
Regulating mechanism, including framework memorial archway, side support roller, backing cloth bearing roller and side braced frame, wherein side support roller and back lining bearing
Roller is mounted in the braced frame of side, framework memorial archway entrance side and outlet side is provided with stripper, the stripper edge is rolled
Line processed is arranged symmetrically.The stripper front end install two side braced frames, respectively with top working roll, bottom working roll phase
Adaptation.It is provided with the guide rail of horizontal direction and the Cam device of vertical direction on the framework memorial archway of transmission side and fore side.It is anti-
Guide plate is twined by guide supporting, pushes stripper to be slided along guide rail by Cam device, to drive side braced frame together with side
Support roller shifts to working roll.
Preferably, the Cam device includes a fixed inclined wedge plate, two movable inclined wedge plates and two first hydraulic cylinders.
Fixed inclined wedge plate is mounted on framework memorial archway.The vertical plane of two movable inclined wedge plates respectively with the side of fixed inclined wedge plate and collateral
The rear end face of support arrangement matches, and the inclined-plane of two movable inclined wedge plates matches.Movable inclined wedge plate outside and first hydraulic cylinder
Piston rod connects.The first hydraulic cylinder drives movable inclined wedge plate to be slid in opposition along mating surface.
Preferably, it is provided with crossbeam between transmission side framework memorial archway and fore side framework memorial archway, in the side of stripper
Face is provided with hole slot, and the crossbeam is connect across the hole slot with framework memorial archway.Second hydraulic cylinder is installed on the crossbeam, it is described
The piston rod of second hydraulic cylinder is connect with stripper, and second hydraulic cylinder drives stripper to be slided along guide rail, to drive side
Support device is towards and away from working roll.
Preferably, it is provided with Linear displacement transducer in the first hydraulic cylinder, oil is provided in the second hydraulic cylinder
Pressure sensor and pressure control valve.
Preferably, it is provided with pressure sensor on the side of the fixed inclined wedge plate.
The present invention also provides a kind of control methods of the collateral support arrangement regulating mechanism of 18 cold mill, including following step
Suddenly：
Step 1: before rolling starts, start the first hydraulic cylinder of entrance side, pushes the movable inclined wedge plate of entrance side along perpendicular
Histogram pushes the stripper of entrance side advancing slip along guide rail to movement, and the collateral support arrangement of entrance side is driven to shift to work
Make roller, entrance side second hydraulic cylinder is in pressure release and is servo-actuated state in moving process, and the side support roller of entrance side will be with working roll
Contact.Working roll is pushed to presetting position by the displacement distance that collateral support arrangement is measured by Linear displacement transducer.
Step 2: starting the first hydraulic cylinder of outlet side, the movable inclined wedge plate of outlet side is pushed vertically to move, into
And push the stripper of outlet side advancing slip along guide rail, drive the collateral support arrangement of outlet side to shift to working roll.By linear
The displacement distance of the collateral support arrangement of displacement sensor, when the side support roller of outlet side is close to working roll, first hydraulic cylinder is stopped
Only move.In moving process middle outlet side, second hydraulic cylinder is in pressure release and is servo-actuated state.
Step 3: starting the second hydraulic cylinder of outlet side, the collateral support arrangement of outlet side is pushed to continue move towards working roll, directly
Side support roller to outlet side is contacted with working roll.The second hydraulic cylinder of outlet side is switched to pressure control mode, with default
Fixed pressure leans against the collateral support roll-in of outlet side on working roll roll surface.
Start to roll Step 4: starting milling train.Outlet side second hydraulic cylinder can be started after stable rolling, by outlet side
Side support roller is pulled away from working roll roll surface.
Step 5: rolling terminates, after working roll stops operating, starts first hydraulic cylinder first, pull the movable of entrance side
The movable inclined wedge plate of inclined wedge plate and outlet side, makes it vertically be moved to presetting position, then starts second hydraulic cylinder,
The stripper of the stripper and outlet side that pull entrance side is retreated along guide rail, until stripper rear end face and movably oblique
Wedge vertical plane contacts.Roller replacing operation can be carried out after the collateral support arrangement of both sides exits.
The step of when the above-mentioned rolling for forward direction, the Cam device of framework memorial archway entrance side plays the role of positioning when forward direction rolls,
The second hydraulic cylinder of outlet side plays preload.When reversed rolling, control method and the forward direction of collateral support arrangement regulating mechanism
Identical when rolling, only entrance side and outlet side action is exchanged, and framework memorial archway outlet side Cam device plays the role of positioning at this time, enters
The second hydraulic cylinder of mouth side plays preload.
Preferably, it is described by the presetting position that working roll is pushed to be set as working roll horizontal force be 150KN~
The position of working roll when 400KN.
Preferably, the distance when side support roller of the outlet side is close to working roll is set as the side support roller roller of outlet side
The horizontal distance of face and working roll roll surface is 1~3mm.
Preferably, the outlet side second hydraulic cylinder be switched to pressure presetting when pressure control mode be 20KN~
50KN。
Preferably, the presetting position that movable inclined wedge plate vertically moves after the rolling is set as the first liquid
Pressure cylinder piston bar is in position when retreating limit position.
The collateral support arrangement regulating mechanism of 18 cold mills for implementing the present invention, has the advantages that：
(1) collateral support arrangement is mounted on stripper rather than hangs on intermediate roll bearing seat or supporting roller bearing seat
Or on intermediate calender rolls roller bending block, it is convenient for roller replacing operation, while side support beam structure can be saved, optimizes the space in rack.
(2) it since stripper is designed as monoblock type, is arranged symmetrically along roll line, such upper working rolls and lower working rolls are respectively to upper and lower
The power of tumbling of side support roller is cancelled out each other on stripper so that is solely subjected to horizontal force on stripper, therefore is optimized whole
The stress of a collateral support arrangement adjustment structure, avoids collateral support arrangement and regulating mechanism in the destruction of vertical direction.
(3) the collateral support arrangement for withstanding entrance side using Cam device in entrance side directly withstands phase with using hydraulic cylinder
Than, it is more rigid, and there is self-locking function when pushing the collateral support arrangement of entrance side to move the wedge device that retreads in place.It is exporting
Side withstands the collateral support arrangement of outlet side using hydraulic cylinder, and the collateral support roll-in of outlet side is tightened to working roll with preheating setting pressure
On, working roll shakes when can prevent rolling from starting, and ensures that rolling is smoothed out.
(4) collateral support arrangement regulating mechanism provided by the invention can easily be applied to six-roll cold mill transformation
In, it is transform as 18 cold mills in the case that roll system structure and roller bending block change very little in framework window, thus will
Rolled products are extended to the high added values kind such as stainless steel and super-high strength steel, are realized with a low cost product restructuring and upgrading.
(5) the collateral support arrangement regulating mechanism of 18 cold mill provided by the invention is reasonable for structure, easy to maintain, and operation is fast
Victory, control are simple.
Description of the drawings
Present invention will be further explained below with reference to the attached drawings and examples, in attached drawing：
Fig. 1 is the arrangement of roller system figure of 18 cold mills；
Fig. 2 is the structural schematic diagram of the collateral support arrangement regulating mechanism of 18 cold mills of the present embodiment；
Fig. 3 is the vertical view of the collateral support arrangement regulating mechanism of 18 cold mills of the present embodiment；
Fig. 4 is the schematic diagram that working roll is pushed to presetting position using entrance side Cam device by the present embodiment；
Fig. 5 is that the side support roller of outlet side is pushed to showing close to working roll by the present embodiment using outlet side Cam device
It is intended to；
Fig. 6 be the present embodiment outlet side side support roller close to horizontal distance when working roll schematic diagram；
Fig. 7 is the schematic diagram that the collateral support arrangement of the present embodiment is in the state that exits；
Wherein, 1- framework memorial archways；2- support rollers；3- intermediate calender rolls；4- working rolls；The sides 5- support roller；6- backing cloth bearing rollers；7-
Side braced frame；8- strippers；9- guide rails；10- fixes inclined wedge plate；The movable inclined wedge plates of 11-；12- first hydraulic cylinders；13- is horizontal
Beam；14- hole slots；15- second hydraulic cylinders.
Specific implementation mode
For a clearer understanding of the technical characteristics, objects and effects of the present invention, now control attached drawing is described in detail
The specific implementation mode of the present invention.
As shown in Fig. 2, a kind of collateral support arrangement regulating mechanism of 18 cold mills, including framework memorial archway 1, side support roller 5,
Backing cloth bearing roller 6 and side braced frame 7, wherein side support roller 5 and backing cloth bearing roller 6 are mounted in 7 frame of collateral support frame, feature
To be provided with stripper 8 in 1 entrance side of framework memorial archway and outlet side, stripper 8 is arranged symmetrically along roll line.Anti-tangle
Two side braced frames 7 are installed in the front end of guide plate 8, are adapted respectively with upper and lower working roll 4.In transmission side and the machine of fore side
The guide rail 9 of horizontal direction and the Cam device of vertical direction are provided on frame memorial archway 1.Stripper 8 is supported by guide rail 9, is passed through
Cam device pushes stripper 8 to be slided along guide rail 9, to drive side braced frame 7 to shift to working roll 4 together with side support roller 5.
Cam device includes a movable inclined wedge plate 11 of fixed inclined wedge plate 10, two and two first hydraulic cylinders 12.It is fixed
Inclined wedge plate 10 is mounted on framework memorial archway 1.The vertical plane of two movable inclined wedge plates 11 respectively with the side of fixed inclined wedge plate 10 and
The rear end face of side braced frame 7 matches, and the inclined-plane of two movable inclined wedge plates 11 matches.Movable 11 outside of inclined wedge plate and first
The piston rod of hydraulic cylinder 12 connects.First hydraulic cylinder 12 drives movable inclined wedge plate 11 to be slid in opposition along mating surface.In this implementation
Cam device shares 4 sets, is located at the entrance side and outlet side of transmission side and fore side framework memorial archway 1, and Cam device is rolling
Line arrangement symmetrical above and below processed.
As shown in figure 3, crossbeam 13 is provided between transmission side and the framework memorial archway 1 of fore side, in the side of stripper 8
Face is provided with hole slot 14, and crossbeam 13 is connect across hole slot 14 with the framework memorial archway 1 of transmission side and fore side.Is equipped on crossbeam 13
The piston rod of two hydraulic cylinders 15, second hydraulic cylinder 15 is connect with stripper 8, and second hydraulic cylinder 15 drives stripper 8 along leading
Rail 9 slides, to drive side braced frame 7 towards and away from working roll 4.
Strip and intermediate calender rolls 3 are directed towards entrance side to the resultant force of 4 active force of working roll in the operation of rolling, when working roll 4
When being contacted with side support roller 5, working roll 4 by the side support roller 5 of entrance side apply pressure, and with the side support roller 5 of outlet side
Between there is no active force.Therefore the side support roller 5 of entrance side is pressed firmly against working roll 4 using the Cam device of entrance side
On, prevent working roll 4 from bending and shake towards entrance side, the horizontal force that working roll 4 applies at this time is held by the Cam device of entrance side
By.Setting second hydraulic cylinder 15 is to eliminate gap when rolling starts between side support roller 5 and working roll 4, improve herein
The flexibility of entire collateral support system and response.When the Cam device for adjusting entrance side makes the side support roller 5 and working roll 4 of entrance side
After contact, the side support roller 5 of outlet side is pressed against with predetermined pressure on working roll 4 by second hydraulic cylinder 15 again, can eliminate rolling
When two side support rollers 5 especially entrance side side support roller 5 and working roll 4 gap.If not using second hydraulic cylinder 15, and
It is all to be clamped working roll 4 using Cam device in entrance side and outlet side, then when rolling between side support roller 5 and working roll 4
It is susceptible to gap, and the time interval being eliminated after the appearance of gap is longer, the response of system is poor, is unfavorable for stabilization and rolls
System.In addition, second hydraulic cylinder 15 is also used for pulling stripper 8, collateral support arrangement is driven to recess working roll 4.
It is provided with Linear displacement transducer in first hydraulic cylinder 12, the displacement distance for measuring movable inclined wedge plate 11, from
And side support roller 5 is moved at specified position.It is provided with oil pressure sensor and pressure control valve in second hydraulic cylinder 15, uses
Pressure between adjusting and the side support roller 5 and working roll 4 of control outlet side.
It is provided with pressure sensor on the side of fixed inclined wedge plate 10, for measuring the horizontal force on working roll 4.
The present embodiment additionally provides a kind of control method of the collateral support arrangement regulating mechanism of 18 cold mill, specifically includes
Following steps：
Step 1: before rolling starts, start the first hydraulic cylinder 12 of entrance side, pushes the movable inclined wedge plate 11 of entrance side
It vertically moves, and then pushes the stripper 8 of entrance side advancing slip along guide rail 9, drive the collateral support arrangement of entrance side
Working roll 4 is shifted to, entrance side second hydraulic cylinder 15 is in pressure release and is servo-actuated state, the side support roller 5 of entrance side in moving process
It will be contacted with working roll 4.Working roll 4 is pushed to pre- by the displacement distance that collateral support arrangement is measured by Linear displacement transducer
The position of setting, as shown in Figure 4.
It is described to set the presetting position that working roll 4 is pushed to working roll 4 when 4 horizontal force of working roll is 200KN
Position.Two pairs of rollers system carries out force analysis it is found that being moved horizontally by working roll 4, thus it is possible to vary strip and intermediate calender rolls 5 are to work
The horizontal direction component of the resultant force is set in 200KN, can both ensure the horizontal force on working roll 4 by the resultant force of 4 active force of roller
Direction will not change (such as rolling fluctuation, tension fluctuation etc.) because of process conditions and occur reversely, to make it always towards entrance side
Cam device, ensure rolling stabilization, can also make 4 horizontal force of working roll will not be excessive, to improve backing cloth bearing roller 6
Service life.
Step 2: starting the first hydraulic cylinder 12 of outlet side, the movable inclined wedge plate 11 of outlet side is pushed vertically to move
It is dynamic, and then push the stripper 8 of outlet side advancing slip along guide rail 9, drive the collateral support arrangement of outlet side to shift to working roll 4.
The displacement distance that collateral support arrangement is measured by Linear displacement transducer, when the side support roller 5 of outlet side is close to working roll 4
One hydraulic cylinder 12 stops movement, as shown in Figure 5.In moving process middle outlet side, second hydraulic cylinder 15 is in pressure release and is servo-actuated state.
Distance when the side support roller 5 of the outlet side is close to working roll 4 is set as 5 roll surface of side support roller and working roll 4 of outlet side
The horizontal distance of roll surface is 2mm, as shown in Figure 6.
Step 3: starting the second hydraulic cylinder 15 of outlet side, the collateral support arrangement of outlet side is pushed to continue move towards working roll
4, until the side support roller 5 of outlet side is contacted with working roll 4.The second hydraulic cylinder 15 of outlet side is switched to pressure and controls mould
The side support roller 5 of outlet side is pressed against on 4 roll surface of working roll by formula with presetting pressure.The outlet side second hydraulic cylinder
It is 30KN to be switched to pressure presetting when pressure control mode.
Start to roll Step 4: starting milling train.Outlet side second hydraulic cylinder 15 can be started after stable rolling, by outlet side
Side support roller 5 be pulled away from 4 roll surface of working roll.
Step 5: rolling terminates, after working roll 4 stops operating, starts first hydraulic cylinder 12 first, pull entrance and outlet
The movable inclined wedge plate 11 in side, makes it vertically be moved to presetting position, then start second hydraulic cylinder 15, pull entrance and
The stripper 8 of outlet side is retreated along guide rail 9, until 8 rear end face of stripper is contacted with movable 11 vertical plane of inclined wedge plate.It waits for
The collateral support arrangement in both sides can carry out roller replacing operation after exiting.The default positioning that the movable inclined wedge plate 11 vertically moves
The position being set to when 12 piston rod of first hydraulic cylinder is in retrogressing limit position is installed, as shown in Figure 7.
Step when the above-mentioned rolling for forward direction, the Cam device of 1 entrance side of framework memorial archway plays the role of positioning when forward direction rolls, and goes out
The second hydraulic cylinder 15 of mouth side plays preload.When reversed rolling, control method and the forward direction of collateral support arrangement regulating mechanism
Identical when rolling, only entrance side and outlet side action is exchanged, and 1 outlet side Cam device of framework memorial archway plays the role of positioning at this time,
The second hydraulic cylinder 15 of entrance side plays preload.
The embodiment of the present invention is described with above attached drawing, but the invention is not limited in above-mentioned specific
Embodiment, the above mentioned embodiment is only schematical, rather than restrictive, those skilled in the art
Under the inspiration of the present invention, without breaking away from the scope protected by the purposes and claims of the present invention, it can also make very much
Form, all of these belong to the protection of the present invention.
Claims (10)
1. a kind of collateral support arrangement regulating mechanism of 18 cold mills, including framework memorial archway, side support roller, backing cloth bearing roller and side
Braced frame, the side support roller and backing cloth bearing roller are mounted in the braced frame of side, which is characterized in that the framework memorial archway enters
Mouth side and outlet side are provided with stripper, and stripper is arranged symmetrically along roll line, the front end installation two of the stripper
It is provided on the framework memorial archway of a side compatible with top working roll, bottom working roll braced frame respectively, transmission side and fore side
The guide rail of horizontal direction and the Cam device of vertical direction, stripper push anti-tangle lead by guide supporting, by Cam device
Plate is slided along guide rail, to drive side braced frame to shift to working roll together with side support roller.
2. the collateral support arrangement regulating mechanism of 18 cold mill according to claim 1, which is characterized in that the inclined wedge dress
It sets including a fixed inclined wedge plate, two movable inclined wedge plates and two first hydraulic cylinders, fixed inclined wedge plate is mounted on framework memorial archway
On, the vertical plane of two movable inclined wedge plates is matched with the rear end face of the side of fixed inclined wedge plate and collateral support arrangement respectively, and two
The inclined-plane of a movable inclined wedge plate matches, and is connect with the piston rod of first hydraulic cylinder on the outside of movable inclined wedge plate, first hydraulic pressure
Cylinder drives movable inclined wedge plate to be slid in opposition along mating surface.
3. the collateral support arrangement regulating mechanism of 18 cold mill according to claim 2, which is characterized in that transmission side frame
Crossbeam is provided between memorial archway and fore side framework memorial archway, the side of the stripper is provided with hole slot, and the crossbeam passes through institute
State hole slot to connect with framework memorial archway, second hydraulic cylinder be installed on the crossbeam, the piston rod of the second hydraulic cylinder with it is anti-tangle
Guide plate connects, and second hydraulic cylinder drives stripper to be slided along guide rail, to drive collateral support arrangement towards and away from working roll.
4. the collateral support arrangement regulating mechanism of 18 cold mill according to claim 3, which is characterized in that first liquid
It is provided with Linear displacement transducer on cylinder pressure, oil pressure sensor and pressure control valve are provided in the second hydraulic cylinder.
5. the collateral support arrangement regulating mechanism of 18 cold mill according to claim 2, which is characterized in that the fixation is oblique
It is provided with pressure sensor on the side of wedge.
6. a kind of control method of the collateral support arrangement regulating mechanism of 18 cold mills described in claim 4, which is characterized in that
Include the following steps：
Step 1: before rolling starts, start the first hydraulic cylinder of entrance side, pushes the movable inclined wedge plate of entrance side along vertical side
It to movement, and then pushes the stripper of entrance side advancing slip along guide rail, the collateral support arrangement of entrance side is driven to shift to working roll,
Entrance side second hydraulic cylinder is in pressure release and is servo-actuated state in moving process, and the side support roller of entrance side will be contacted with working roll；
Working roll is pushed to presetting position by the displacement distance that collateral support arrangement is measured by Linear displacement transducer；
Step 2: starting the first hydraulic cylinder of outlet side, the movable inclined wedge plate of outlet side is pushed vertically to move, and then push away
The stripper of dynamic outlet side is advancing slip along guide rail, and the collateral support arrangement of outlet side is driven to shift to working roll；Pass through linear displacement
The displacement distance of the collateral support arrangement of sensor measurement, when the side support roller of outlet side is close to working roll, first hydraulic cylinder stops moving
It is dynamic；In moving process middle outlet side, second hydraulic cylinder is in pressure release and is servo-actuated state；
Step 3: starting the second hydraulic cylinder of outlet side, the collateral support arrangement of outlet side is pushed to continue move towards working roll, until going out
The side support roller of mouth side is contacted with working roll；The second hydraulic cylinder of outlet side is switched to pressure control mode, with presetting
Pressure leans against the collateral support roll-in of outlet side on working roll roll surface；
Start to roll Step 4: starting milling train；Outlet side second hydraulic cylinder can be started after stable rolling, by the collateral of outlet side
It supports roller and is pulled away from working roll roll surface；
Step 5: rolling terminates, after working roll stops operating, starts first hydraulic cylinder first, pull the movable inclined wedge of entrance side
The movable inclined wedge plate of plate and outlet side, makes it vertically be moved to presetting position, then starts second hydraulic cylinder, pulls
The stripper of entrance side and the stripper of outlet side are retreated along guide rail, until stripper rear end face and movable inclined wedge plate
Vertical plane contacts；Roller replacing operation can be carried out after collateral support arrangement exits after both sides.
7. the control method of the collateral support arrangement regulating mechanism of 18 cold mill according to claim 6, which is characterized in that
The position for setting the presetting position that working roll is pushed to working roll when working roll horizontal force is 150KN~400KN
It sets.
8. the control method of the collateral support arrangement regulating mechanism of 18 cold mill according to claim 6, which is characterized in that
Distance when the side support roller of the outlet side is close to working roll is set as the side support roller roll surface and working roll roll surface of outlet side
Horizontal distance be 1~3mm.
9. the control method of the collateral support arrangement regulating mechanism of 18 cold mill according to claim 6, which is characterized in that
It is 20KN~50KN that the outlet side second hydraulic cylinder, which is switched to pressure presetting when pressure control mode,.
10. the control method of the collateral support arrangement regulating mechanism of 18 cold mill according to claim 6, feature exist
In the presetting position that movable inclined wedge plate vertically moves after the rolling is set as at first hydraulic cylinder piston rod
Position when retreating limit position.
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| CN201710398501.3A CN106994465B (en) | 2017-05-31 | 2017-05-31 | The collateral support arrangement regulating mechanism of 18 cold mills and control method |
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| CN110421011A (en) * | 2019-08-16 | 2019-11-08 | 中冶南方工程技术有限公司 | Caliberating device and scaling method for the collateral bearing apparatus of 18 roller mills |
| CN111922091B (en) * | 2020-08-11 | 2022-06-14 | 宝钢德盛不锈钢有限公司 | Method for adjusting side support stress of eighteen-roller rolling mill |
| CN116159868B (en) * | 2023-02-09 | 2023-12-22 | 北京科技大学 | Eighteen-roller machine side supporting force energy control method based on edge drop control |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60141311A (en) * | 1983-12-29 | 1985-07-26 | Hitachi Ltd | Rolling mill |
| DE3324562C2 (en) * | 1983-07-07 | 1994-07-21 | Sendzimir Inc T | Six-roll stand |
| DE19944612C1 (en) * | 1999-09-17 | 2000-11-23 | Sundwig Gmbh | Metal strip rolling mill stand has side back-up rolls which can be retracted to outside a back-up or intermediate roll chock insertion or removal region |
| CN103316921A (en) * | 2013-07-11 | 2013-09-25 | 陶洪瑞 | Inclined iron adjustment device of eighteen rolling mill working roll side supports |
| CN104550239A (en) * | 2014-12-29 | 2015-04-29 | 一重集团大连设计研究院有限公司 | Novel eighteen-roller cold rolling mill |
| CN105728463A (en) * | 2016-03-31 | 2016-07-06 | 中国重型机械研究院股份公司 | Novel partial fourteen-roller steel plate cold rolling mill structure |
| CN105964691A (en) * | 2016-03-31 | 2016-09-28 | 中国重型机械研究院股份公司 | Novel ten-roller steel plate cold-rolling mill structure |
-
2017
- 2017-05-31 CN CN201710398501.3A patent/CN106994465B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3324562C2 (en) * | 1983-07-07 | 1994-07-21 | Sendzimir Inc T | Six-roll stand |
| JPS60141311A (en) * | 1983-12-29 | 1985-07-26 | Hitachi Ltd | Rolling mill |
| DE19944612C1 (en) * | 1999-09-17 | 2000-11-23 | Sundwig Gmbh | Metal strip rolling mill stand has side back-up rolls which can be retracted to outside a back-up or intermediate roll chock insertion or removal region |
| CN103316921A (en) * | 2013-07-11 | 2013-09-25 | 陶洪瑞 | Inclined iron adjustment device of eighteen rolling mill working roll side supports |
| CN104550239A (en) * | 2014-12-29 | 2015-04-29 | 一重集团大连设计研究院有限公司 | Novel eighteen-roller cold rolling mill |
| CN105728463A (en) * | 2016-03-31 | 2016-07-06 | 中国重型机械研究院股份公司 | Novel partial fourteen-roller steel plate cold rolling mill structure |
| CN105964691A (en) * | 2016-03-31 | 2016-09-28 | 中国重型机械研究院股份公司 | Novel ten-roller steel plate cold-rolling mill structure |
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