CN104492813A - Integral arch type four-roller rolling mill - Google Patents
Integral arch type four-roller rolling mill Download PDFInfo
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- CN104492813A CN104492813A CN201410685551.6A CN201410685551A CN104492813A CN 104492813 A CN104492813 A CN 104492813A CN 201410685551 A CN201410685551 A CN 201410685551A CN 104492813 A CN104492813 A CN 104492813A
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- working roll
- memorial archway
- hydraulic cylinder
- central shaft
- top working
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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, be specifically related to a kind of overall memorial archway formula four-high mill.
Background technology
Milling train is the equipment realizing metal rolled process.The Zhuan Bei ﹐ having made a general reference stocking production overall process includes Zhu and wants She Bei ﹑ Fu to help She Bei ﹑ handling equipment and auxiliary device etc.At present, traditional milling train is all split type memorial archway, and pressure is that hydraulic cylinder acts directly on top working roll bearing block, regulates the depressing position of top working roll; Hydraulic oil enters hydraulic cylinder via electro-hydraulic reversing valve, and pressure precision is low.How designing a kind of four-high mill being convenient to carry out depressing to top working roll adjustment, is various equivalent modifications technical problem urgently to be resolved hurrily.
Summary of the invention
The object of the invention is to overcome above-mentioned deficiency of the prior art, a kind of overall memorial archway formula four-high mill is provided.What this overall memorial archway formula four-high mill improve top working roll presses down precision, can change roller gap to reach the object improving thickness of strip 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, it is characterized in that: comprise memorial archway and to be connected on described memorial archway and the top working roll be parallel to each other and bottom working roll, the two sides of described memorial archway all offer rectangle window, described top working roll and bottom working roll are all connected with described rectangle window sliding, the top of described top working roll is provided with two backing rollers for extruding top working roll, two described backing rollers include central shaft and are arranged on the multiple saddle seats on described central shaft, two eccentric gears with for contacting the multiple roll extrusion covers coordinated with top working roll, two described eccentric gears are arranged on the two ends of central shaft respectively, described saddle seat is fixedly connected with memorial archway, described saddle seat coordinates with central axis, described memorial archway is provided with the first hydraulic cylinder and the second hydraulic cylinder, the piston rod of described first hydraulic cylinder is connected with the first tooth bar stretching into and be meshed between two backing rollers and with the eccentric gear of two backing roller one end, the piston rod of described second hydraulic cylinder is connected with the second tooth bar stretching into and be meshed between two backing rollers and with the eccentric gear of two backing roller other ends.
Above-mentioned one overall memorial archway formula four-high mill, is characterized in that: described first hydraulic cylinder or the second hydraulic cylinder are provided with the displacement transducer for detecting piston rod displacement.
Above-mentioned one overall memorial archway formula four-high mill, is characterized in that: described roll extrusion cover is bearing, and the outer ring of described bearing contacts with top working roll, and the inner ring of described bearing is fixedly connected with central shaft.
Above-mentioned one overall memorial archway formula four-high mill, is characterized in that: be provided with the bearing be enclosed within described top working roll and bottom working roll in described rectangle window.
Above-mentioned one overall memorial archway formula four-high mill, is characterized in that: described eccentric gear is connected with center axle key.
The present invention compared with prior art has the following advantages:
1, structure of the present invention is simple, rationally novel in design.
2, the present invention is by arranging eccentric gear, during use, rack drives eccentric gear is when its reference circle center rotating, now central shaft is also around the reference circle center rotating of eccentric gear, and the eccentric distance at the center of central shaft and gear compound graduation circle center, the roll extrusion cover on central shaft is made to produce downward pressure to top working roll, the conversion of displacement several times, in fact the drafts reducing hydraulic cylinder is equivalent to, thus improve top working roll press down precision, change roller gap to reach the object improving thickness of strip precision.
3, roll extrusion cover of the present invention is bearing.The outer ring of described bearing contacts with top working roll, the inner ring of described bearing is fixedly connected with central shaft, described bearing outer ring and top working roll form and are rotatably assorted, when avoiding backing roller to rotate and top working roll produce stuck phenomenon, improve the validity that backing roller adjusts the pressure of top working roll.
4, the present invention is by arranging displacement transducer, can detect the displacement of piston rod, and then can draw the downstroke of top working roll.
5, of the present invention to realize cost low, and result of use is good, is convenient to promote the use of.
In sum, structure of the present invention is simple, and rationally novel in design, functional reliability is high, long service life, to top working roll to press down precision high, result of use is good, is convenient to promote the use of.
Below by drawings and Examples, technical scheme of the present invention is described in further detail.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is A-A sectional view 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 roll; 3-bottom working roll;
4-rectangle window; 5-upper bearing (metal); 6-the first tooth bar;
7-backing roller; 7-1-central shaft; 7-2-eccentric gear;
7-3-roll extrusion cover; 7-4-saddle seat; 7-5-key;
8-the first hydraulic cylinder; 9-displacement transducer; 10-the second hydraulic cylinder;
11-the second tooth bar; 12-lower bearing.
Detailed description of the invention
As Fig. 1, one shown in Fig. 2 and Fig. 3 overall memorial archway formula four-high mill, comprise memorial archway 1 and to be connected on described memorial archway 1 and the top working roll 2 be parallel to each other and bottom working roll 3, the two sides of described memorial archway 1 all offer rectangle window 4, described top working roll 2 and bottom working roll 3 are all slidably connected with described rectangle window 4, the top of described top working roll 2 is provided with two backing rollers 7 for extruding top working roll 2, two described backing rollers 7 include central shaft 7-1 and are arranged on the multiple saddle seat 7-4 on described central shaft 7-1, two eccentric gear 7-2 overlap 7-3 with for contacting the multiple roll extrusion coordinated with top working roll 2, two described eccentric gear 7-2 are arranged on the two ends of central shaft 7-1 respectively, described saddle seat 7-4 is fixedly connected with memorial archway 1, described saddle seat 7-4 and central shaft 7-1 is rotatably assorted, described memorial archway 1 is provided with the first hydraulic cylinder 8 and the second hydraulic cylinder 10, the piston rod of described first hydraulic cylinder 8 is connected with the first tooth bar 6 stretching into and be meshed between two backing rollers 7 and with the eccentric gear 7-2 of two backing roller 7 one end, the piston rod of described second hydraulic cylinder 10 is connected with the second tooth bar 11 stretching into and be meshed between two backing rollers 7 and with the eccentric gear 7-2 of two backing roller 7 other ends.Wherein, described memorial archway 1 is integral cast memorial archway.Memorial archway 1 rigidity is large, and this four-high mill can be adjusted by on-load.
In the present embodiment, the extension line that described first tooth bar 6 is downward and the central axis of top working roll 2 and the central axis of bottom working roll 3 intersect; The extension line that described second tooth bar 11 is downward and the central axis of top working roll 2 and the central axis of bottom working roll 3 intersect; Two eccentric gear 7-2 of two described backing roller 7 one end are symmetrical about the first tooth bar 6, and two eccentric gear 7-2 of two described backing roller 7 other ends are symmetrical about the second tooth bar 11.
In the present embodiment, this overall memorial archway formula four-high mill in use, when needs carry out pressure adjustment to top working roll 2, the piston rod of the first hydraulic cylinder 8 and the second hydraulic cylinder 10 moves down, thus drive the first tooth bar 6 and the second tooth bar 11 to move down respectively, now the first tooth bar 6 is meshed with the eccentric gear 7-2 of two backing roller 7 one end, namely a side of described first tooth bar 6 offers the teeth be meshed with the eccentric gear 7-2 of backing roller 7 one end, another side of described first tooth bar 6 offers the teeth be meshed with the eccentric gear 7-2 of another backing roller 7 one end, in like manner, one side of described second tooth bar 11 offers the teeth be meshed with the eccentric gear 7-2 of backing roller 7 other end, another side of described second tooth bar 11 offers the teeth be meshed with the eccentric gear 7-2 of another backing roller 7 other end, as shown in Figure 4, because described eccentric gear 7-2 is arranged on central shaft 7-1, the reference circle center O of described eccentric gear 7-2 and the geometric center P of central shaft 7-1 has eccentric distance e, under rack drives, described eccentric gear 7-2 is when its reference circle center O rotates, now central shaft 7-1 also rotates around the reference circle center O of eccentric gear 7-2, now, central shaft 7-1 can overlap 7-3 by roll extrusion and apply extruding force to top working roll 2, simultaneously, due to the geometric center P of central shaft and the eccentric distance of gear compound graduation circle center O, make the roll extrusion on central shaft 7-1 overlap 7-3 and downward pressure is produced to top working roll 2, the conversion of displacement several times, in fact the drafts reducing hydraulic cylinder piston rod is equivalent to, thus improve top working roll 2 press down precision, change roller gap to reach the object improving thickness of strip precision.
As depicted in figs. 1 and 2, described first hydraulic cylinder 8 or the second hydraulic cylinder 10 are provided with the displacement transducer 9 for detecting piston rod displacement.By arranging displacement transducer 9, the displacement of piston rod can be detected, and then the downstroke of top working roll 2 can be drawn.
In the present embodiment, described roll extrusion cover 7-3 is bearing.The outer ring of described bearing contacts with top working roll 2, the inner ring of described bearing is fixedly connected with central shaft 7-1, described bearing outer ring and top working roll 2 form and are rotatably assorted, when avoiding backing roller 7 to rotate and top working roll 2 produce stuck phenomenon, improve the validity that backing roller adjusts the pressure of top working roll 2.
As depicted in figs. 1 and 2, in described rectangle window 4, be provided with the bearing be enclosed within described top working roll 2 and bottom working roll 3, the lower bearing 12 being namely enclosed within the upper bearing (metal) 5 on top working roll 2 and being enclosed within bottom working roll 3.
As shown in Figure 4, described eccentric gear 7-2 and central shaft 7-1 carries out key connection by key 7-5.
The above; it is only preferred embodiment of the present invention; not the present invention is imposed any restrictions, every above embodiment is done according to the technology of the present invention essence any simple modification, change and equivalent structure transformation, all still belong in the protection domain of technical solution of the present invention.
Claims (5)
1. an overall memorial archway formula four-high mill, it is characterized in that: comprise memorial archway (1) and be connected to described memorial archway (1) and go up and the top working roll be parallel to each other (2) and bottom working roll (3), the two sides of described memorial archway (1) all offer rectangle window (4), described top working roll (2) and bottom working roll (3) are all slidably connected with described rectangle window (4), the top of described top working roll (2) is provided with two backing rollers (7) for extruding top working roll (2), two described backing rollers (7) include central shaft (7-1) and are arranged on the multiple saddle seats (7-4) on described central shaft (7-1), two eccentric gears (7-2) with for contacting the multiple roll extrusion covers (7-3) coordinated with top working roll (2), two described eccentric gears (7-2) are arranged on the two ends of central shaft (7-1) respectively, described saddle seat (7-4) is fixedly connected with memorial archway (1), described saddle seat (7-4) and central shaft (7-1) are rotatably assorted, described memorial archway (1) is provided with the first hydraulic cylinder (8) and the second hydraulic cylinder (10), the piston rod of described first hydraulic cylinder (8) is connected with the first tooth bar (6) stretching into and be meshed between two backing rollers (7) and with the eccentric gear (7-2) of two backing roller (7) one end, the piston rod of described second hydraulic cylinder (10) is connected with the second tooth bar (11) stretching into and be meshed between two backing rollers (7) and with the eccentric gear (7-2) of two backing roller (7) other ends.
2. one according to claim 1 overall memorial archway formula four-high mill, is characterized in that: described first hydraulic cylinder (8) or the second hydraulic cylinder (10) are provided with the displacement transducer (9) for detecting piston rod displacement.
3. one according to claim 1 overall memorial archway formula four-high mill, it is characterized in that: described roll extrusion cover (7-3) is bearing, the outer ring of described bearing contacts with top working roll (2), and the inner ring of described bearing is fixedly connected with central shaft (7-1).
4. one according to claim 1 overall memorial archway formula four-high mill, is characterized in that: be provided with the bearing be enclosed within described top working roll (2) and bottom working roll (3) in described rectangle window (4).
5. one according to claim 1 overall memorial archway formula four-high mill, is characterized in that: described eccentric gear (7-2) is connected with central shaft (7-2) key.
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 |
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| Publication Number | Publication Date |
|---|---|
| CN104492813A true CN104492813A (en) | 2015-04-08 |
| CN104492813B CN104492813B (en) | 2017-03-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410685551.6A Active CN104492813B (en) | 2014-11-24 | 2014-11-24 | Integral arch type four-roller rolling mill |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111902223A (en) * | 2018-03-27 | 2020-11-06 | 钢铁普蓝特克股份有限公司 | Rolling mill and control method thereof |
| CN114210738A (en) * | 2021-12-16 | 2022-03-22 | 燕山大学 | Pole piece roller press based on deflection self-offsetting roller bending device |
| CN114713642A (en) * | 2022-06-08 | 2022-07-08 | 太原理工大学 | Novel back lining roller regulated and controlled in hydraulic mode |
Citations (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 |
| EP0580292A1 (en) * | 1992-07-20 | 1994-01-26 | 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 |
-
2014
- 2014-11-24 CN CN201410685551.6A patent/CN104492813B/en active Active
Patent Citations (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 |
| EP0580292A1 (en) * | 1992-07-20 | 1994-01-26 | 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 |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111902223A (en) * | 2018-03-27 | 2020-11-06 | 钢铁普蓝特克股份有限公司 | Rolling mill and control method thereof |
| CN111902223B (en) * | 2018-03-27 | 2022-03-01 | 钢铁普蓝特克股份有限公司 | Rolling mill and control method thereof |
| CN114210738A (en) * | 2021-12-16 | 2022-03-22 | 燕山大学 | Pole piece roller press based on deflection self-offsetting roller bending device |
| CN114713642A (en) * | 2022-06-08 | 2022-07-08 | 太原理工大学 | Novel back lining roller regulated and controlled in hydraulic mode |
| CN114713642B (en) * | 2022-06-08 | 2022-09-09 | 太原理工大学 | Novel back lining roller regulated and controlled in hydraulic mode |
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| Publication number | Publication date |
|---|---|
| CN104492813B (en) | 2017-03-22 |
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