CN104492813B - Integral arch type four-roller rolling mill - Google Patents
Integral arch type four-roller rolling mill Download PDFInfo
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- CN104492813B CN104492813B CN201410685551.6A CN201410685551A CN104492813B CN 104492813 B CN104492813 B CN 104492813B CN 201410685551 A CN201410685551 A CN 201410685551A CN 104492813 B CN104492813 B CN 104492813B
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- working roll
- hydraulic cylinder
- central shaft
- memorial archway
- roller
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Abstract
The invention discloses an integral arch type four-roller rolling mill. The integral arch type four-roller rolling mill comprises an arch, an upper operating roller and a lower operating roller, two sides of the arch are provided with rectangular windows, and both the upper operating roller and the lower operating roller are hinged to the rectangular windows. Two backing rollers are arranged above the upper operating roller. Each backing roller comprises a central shaft, a plurality of saddles, two eccentric gears and a plurality of rolling sleeves, the eccentric gears are mounted at two ends of the central shaft respectively, the saddles are fixedly connected with the arch, and the saddles are rotationally matched with the central shaft. The arch is provided with a first hydraulic cylinder and a second hydraulic cylinder, a piston rod of the first hydraulic cylinder is connected with a first rack extending into the backing rollers and meshed with the eccentric gear at one end of the backing rollers, a piston rod of the second hydraulic cylinder is connected with a second rack extending into the backing rollers and meshed with the eccentric gear at the other end of the backing rollers. The press accuracy of the upper operating roller is improved and rolling seams can be changed so as to improve band thickness accuracy.
Description
Technical field
The invention belongs to four-high mill technical field, and in particular to a kind of overall memorial archway formula four-high mill.
Background technology
Milling train is the equipment for realizing metal rolled process.Refer to complete stocking production overall process equipment include mainly
Equipment auxiliary equipment handling equipment and auxiliary device etc..At present, traditional milling train is all split type memorial archway, and pressure is liquid
Cylinder pressure is acted directly on top working roll bearing block, adjusts the depressing position of top working roll；Hydraulic oil enters via electro-hydraulic reversing valve
Enter hydraulic cylinder, pressure precision is low.A kind of four-high mill for being easy to carry out top working roll pressure adjustment how is designed, is related neck
Field technique personnel technical problem urgently to be resolved hurrily.
The content of the invention
It is an object of the invention to overcome above-mentioned deficiency of the prior art, there is provided a kind of overall memorial archway formula four-high mill.
What the overall memorial archway formula four-high mill improve top working roll pushes precision, and to improve band thick to reach can to change roller gap
The purpose of degree precision.
For achieving the above object, the technical solution used in the present invention is：A kind of overall memorial archway formula four-high mill, its feature exist
In：Including memorial archway and the top working roll for being connected on the memorial archway and being parallel to each other and bottom working roll, the both sides of the memorial archway
Face offers rectangle window, and the top working roll and bottom working roll are connected with the rectangle window sliding, it is described on
Be provided with two backing rollers for extruding top working roll above working roll, two backing rollers include central shaft and
It is arranged on multiple saddle seats on the central shaft, two eccentric gears and the multiple rolling for being engaged with top working roll
Set, two eccentric gears are separately mounted to the two ends of central shaft, and the saddle seat is fixedly connected with memorial archway, the saddle seat
Coordinate with central axis, on the memorial archway, be provided with first hydraulic cylinder and second hydraulic cylinder, the piston of the first hydraulic cylinder
Bar is connected with the first tooth bar for stretching between two backing rollers and being meshed with the eccentric gear of two backing roller one end, and described
The piston rod of two hydraulic cylinders is connected with and stretches between two backing rollers and be meshed with the eccentric gear of two backing roller other ends
The second tooth bar.
Above-mentioned a kind of overall memorial archway formula four-high mill, it is characterised in that：In the first hydraulic cylinder or second hydraulic cylinder
It is provided with the displacement transducer for detecting piston rod displacement.
Above-mentioned a kind of overall memorial archway formula four-high mill, it is characterised in that：The rolling set is bearing, outside the bearing
Circle is contacted with top working roll, and the inner ring of the bearing is fixedly connected with central shaft.
Above-mentioned a kind of overall memorial archway formula four-high mill, it is characterised in that：It is provided with the rectangle window and is enclosed within institute
State the bearing on top working roll and bottom working roll.
Above-mentioned a kind of overall memorial archway formula four-high mill, it is characterised in that：The eccentric gear and central shaft are bonded.
The present invention has advantages below compared with prior art：
1st, simple structure of the invention, it is novel in design reasonable.
2nd, the present invention by arrange eccentric gear, during use, rack drives eccentric gear around its reference circle center rotating when,
Now central shaft is also around the reference circle center rotating of eccentric gear, and the center of central shaft and gear compound graduation justify the eccentric throw at center
From so that the rolling set on central shaft produces downward pressure to top working roll, and the conversion of displacement, is effectively equivalent to several times
The drafts of hydraulic cylinder is reduced, so as to improve the precision that pushes of top working roll, changing roller gap improves band to reach
The purpose of thickness and precision.
3rd, rolling set of the present invention is bearing.The outer ring of the bearing is contacted with top working roll, the bearing it is interior
Circle is fixedly connected with central shaft, and the bearing outer ring is constituted with top working roll and is rotatably assorted, it is to avoid with upper work when backing roller is rotated
Make roller and produce stuck phenomenon, improve effectiveness of the backing roller to the pressure adjustment of top working roll.
4th, the present invention can detect the displacement of piston rod, and then can be derived that work by arranging displacement transducer
The downstroke of roller.
5th, cost of implementation of the invention is low, and using effect is good, is easy to promote the use of.
In sum, present configuration is simple, and novel in design reasonable, functional reliability is high, and long service life, to upper work
Roller pushes high precision, and using effect is good, be easy to promote the use of.
Below by drawings and Examples, technical scheme is described in further detail.
Description of the drawings
Fig. 1 is the structural representation of the present invention.
Fig. 2 is A-A sectional views in Fig. 1.
Fig. 3 is the structural representation of backing roller of the present invention.
Fig. 4 is the annexation schematic diagram of eccentric gear of the present invention and central shaft.
Description of reference numerals:
1 memorial archway；2 top working rolls；3 bottom working rolls；
4 rectangle windows；5 upper bearing (metal)s；6 first tooth bars；
7 backing rollers；7-1 central shafts；7-2 eccentric gears；
7-3 rolling sets；7-4 saddle seats；7-5 keys；
8 first hydraulic cylinders；9 displacement transducers；10 second hydraulic cylinders；
11 second tooth bars；12 lower bearings.
Specific embodiment
A kind of overall memorial archway formula four-high mill as shown in Figure 1, Figure 2 and Figure 3, including memorial archway 1 and is connected to the board
On mill 1 and the top working roll 2 that is parallel to each other and bottom working roll 3, the two sides of the memorial archway 1 offer rectangle window 4, institute
State top working roll 2 and bottom working roll 3 is slidably connected with the rectangle window 4, the top of the top working roll 2 is provided with use
In two backing rollers 7 of extruding top working roll 2, two backing rollers 7 include central shaft 7-1 and are arranged on the center
Multiple saddle seat 7-4, two eccentric gear 7-2 on the axle 7-1 and multiple rolling set 7- for being engaged with top working roll 2
3, two eccentric gear 7-2 are separately mounted to the two ends of central shaft 7-1, and the saddle seat 7-4 is fixedly connected with memorial archway 1,
The saddle seat 7-4 and central shaft 7-1 is rotatably assorted, and is provided with first hydraulic cylinder 8 and second hydraulic cylinder 10 on the memorial archway 1,
The piston rod of the first hydraulic cylinder 8 is connected with the eccentric gear stretched between two backing rollers 7 and with two 7 one end of backing roller
The first tooth bar 6 that 7-2 is meshed, the piston rod of the second hydraulic cylinder 10 are connected with and stretch between two backing rollers 7 and with two
The second tooth bar 11 that the eccentric gear 7-2 of individual 7 other end of backing roller is meshed.Wherein, the memorial archway 1 is integral cast memorial archway.
1 rigidity of memorial archway is big so that the four-high mill being capable of on-load adjustment.
In the present embodiment, the central axis and bottom working roll 3 of the downward extension line of first tooth bar 6 and top working roll 2
Central axis intersect；The downward extension line of second tooth bar 11 and the central axis and bottom working roll 3 of top working roll 2
Central axis intersects；Two eccentric gear 7-2 of two described 7 one end of backing roller are symmetrical with regard to the first tooth bar 6, two institutes
Two eccentric gear 7-2 for stating 7 other end of backing roller are symmetrical with regard to the second tooth bar 11.
In the present embodiment, the overall memorial archway formula four-high mill when in use, when needing to carry out pressure adjustment to top working roll 2
When, the piston rod of first hydraulic cylinder 8 and second hydraulic cylinder 10 is moved down, so as to drive the first tooth bar 6 and the second tooth bar respectively
11 move down, and now the first tooth bar 6 is meshed with the eccentric gear 7-2 of two 7 one end of backing roller, i.e. first tooth bar 6
A side offer the teeth being meshed with the eccentric gear 7-2 of 7 one end of backing roller, first tooth bar 6 it is another
Side offers the teeth being meshed with the eccentric gear 7-2 of another 7 one end of backing roller, in the same manner, second tooth bar 11
One side offers the teeth being meshed with the eccentric gear 7-2 of 7 other end of backing roller, second tooth bar 11 it is another
Side offers the teeth being meshed with the eccentric gear 7-2 of another 7 other end of backing roller, as shown in figure 4, due to described inclined
Heart gear 7-2 is arranged on central shaft 7-1, geometric center P of the reference circle center O and central shaft 7-1 of the eccentric gear 7-2
With eccentric distance e, under rack drives the eccentric gear 7-2 around its reference circle center O rotate when, now central shaft 7-1
Reference circle center O around eccentric gear 7-2 is rotated, and now, central shaft 7-1 can apply to squeeze to top working roll 2 by rolling set 7-3
Pressure, simultaneously as geometric center P of central shaft and gear compound graduation justify the eccentric distance of center O so that on central shaft 7-1
Rolling set 7-3 produces downward pressure to top working roll 2, and the conversion of displacement several times is effectively equivalent to reduce hydraulic cylinder
The drafts of piston rod, so as to improve the precision that pushes of top working roll 2, changing roller gap to reach improves thickness of strip essence
The purpose of degree.
As depicted in figs. 1 and 2, it is provided with for detecting piston rod position in the first hydraulic cylinder 8 or second hydraulic cylinder 10
The displacement transducer 9 of shifting amount.By arranging displacement transducer 9, the displacement of piston rod can be detected, and then can be derived that work
Make the downstroke of roller 2.
In the present embodiment, the rolling set 7-3 is bearing.The outer ring of the bearing is contacted with top working roll 2, the axle
The inner ring for holding is fixedly connected with central shaft 7-1, and the bearing outer ring is constituted with top working roll 2 and is rotatably assorted, it is to avoid 7 turns of backing roller
Stuck phenomenon is produced with top working roll 2 when dynamic, effectiveness of the backing roller to the pressure adjustment of top working roll 2 is improve.
As depicted in figs. 1 and 2, it is provided with the rectangle window 4 and is enclosed within the top working roll 2 and bottom working roll 3
Bearing, that is, the upper bearing (metal) 5 being enclosed within top working roll 2 and the lower bearing 12 being enclosed within bottom working roll 3.
As shown in figure 4, the eccentric gear 7-2 and central shaft 7-1 carried out by key 7-5 it is bonded.
The above, is only presently preferred embodiments of the present invention, not the present invention is imposed any restrictions, every according to the present invention
Any simple modification, change and equivalent structure transformation that technical spirit is made to above example, still fall within skill of the present invention
In the protection domain of art scheme.
Claims (3)
1. a kind of overall memorial archway formula four-high mill, it is characterised in that：Including memorial archway (1) and be connected on the memorial archway (1) and
The top working roll (2) being parallel to each other and bottom working roll (3), the two sides of memorial archway (1) offer rectangle window (4),
Top working roll (2) and bottom working roll (3) are slidably connected with rectangle window (4), top working roll (2) it is upper
Side is provided with two backing rollers (7) for extruding top working roll (2), and two backing roller (7) include central shaft (7-1)
And be arranged on multiple saddle seat (7-4) on the central shaft (7-1), two eccentric gears (7-2) and for upper work
Multiple rolling set (7-3) that roller (2) is engaged, two eccentric gear (7-2) are separately mounted to the two of central shaft (7-1)
End, saddle seat (7-4) is fixedly connected with memorial archway (1), and saddle seat (7-4) is rotatably assorted with central shaft (7-1), described
First hydraulic cylinder (8) and second hydraulic cylinder (10) is provided with memorial archway (1), and the piston rod of first hydraulic cylinder (8) is connected with
The first tooth bar (6) for stretching between two backing rollers (7) and being meshed with the eccentric gear (7-2) of two backing roller (7) one end,
The piston rod of second hydraulic cylinder (10) be connected with stretch between two backing rollers (7) and with two backing roller (7) other ends
The second tooth bar (11) for being meshed of eccentric gear (7-2)；It is described rolling set (7-3) be bearing, the outer ring of the bearing with it is upper
Working roll (2) contacts, and the inner ring of the bearing is fixedly connected with central shaft (7-1)；
The displacement transducer for detecting piston rod displacement is provided with first hydraulic cylinder (8) or second hydraulic cylinder (10)
(9)。
2. a kind of overall memorial archway formula four-high mill according to claim 1, it is characterised in that：Rectangle window (4)
The bearing being enclosed within the top working roll (2) and bottom working roll (3) is provided with inside.
3. a kind of overall memorial archway formula four-high mill according to claim 1, it is characterised in that：Eccentric gear (7-2)
It is bonded with central shaft (7-1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410685551.6A CN104492813B (en) | 2014-11-24 | 2014-11-24 | Integral arch type four-roller rolling mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410685551.6A CN104492813B (en) | 2014-11-24 | 2014-11-24 | Integral arch type four-roller rolling mill |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104492813A CN104492813A (en) | 2015-04-08 |
| CN104492813B true CN104492813B (en) | 2017-03-22 |
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ID=52934313
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410685551.6A Active CN104492813B (en) | 2014-11-24 | 2014-11-24 | Integral arch type four-roller rolling mill |
Country Status (1)
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| CN (1) | CN104492813B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6832309B2 (en) * | 2018-03-27 | 2021-02-24 | スチールプランテック株式会社 | Rolling machine and control method of rolling machine |
| CN114210738A (en) * | 2021-12-16 | 2022-03-22 | 燕山大学 | Pole piece roller press based on deflection self-offsetting roller bending device |
| CN114713642B (en) * | 2022-06-08 | 2022-09-09 | 太原理工大学 | Novel back lining roller regulated and controlled in hydraulic mode |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5855105A (en) * | 1981-09-30 | 1983-04-01 | Mitsubishi Heavy Ind Ltd | Multistage cluster rolling mill |
| US5421184A (en) * | 1992-07-20 | 1995-06-06 | T. Sendzimir, Inc. | Additional profile control for cluster mills |
| CN2930899Y (en) * | 2006-07-21 | 2007-08-08 | 中冶京诚工程技术有限公司 | Novel 8-roller rolling mill |
| CN200977529Y (en) * | 2006-09-28 | 2007-11-21 | 北京京诚之星科技开发有限公司 | Improved eight rolls roller |
| CN201329366Y (en) * | 2008-12-30 | 2009-10-21 | 北京京诚之星科技开发有限公司 | Eight-roll mill |
| CN204247688U (en) * | 2014-11-24 | 2015-04-08 | 西安捷锐精密冶金设备有限公司 | A kind of overall memorial archway formula four-high mill |
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| CN104492813A (en) | 2015-04-08 |
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