CN202824155U - Variable deflection four-roller rolling mill with a plurality of screw down cylinders - Google Patents
Variable deflection four-roller rolling mill with a plurality of screw down cylinders Download PDFInfo
- Publication number
- CN202824155U CN202824155U CN 201220302049 CN201220302049U CN202824155U CN 202824155 U CN202824155 U CN 202824155U CN 201220302049 CN201220302049 CN 201220302049 CN 201220302049 U CN201220302049 U CN 201220302049U CN 202824155 U CN202824155 U CN 202824155U
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- roll
- roller
- bearing block
- working roll
- screw down
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Abstract
Provided is a variable deflection four-roller rolling mill with a plurality of screw down cylinders. A working stand is in an integral casting type, a machine body is four stand columns with cross sections in the same size, the upper portion and the lower portion of the working stand are respectively connected into wholeness through beams, five screw down cylinders are symmetrically installed at the inner portion of an upper beam, piston rods of the screw down cylinders are connected with an oil membrane contacting block which acts on the upper portion of a roller body of an upper supporting roller, the upper supporting roller, an upper operating roller, a lower operating roller and a lower supporting roller are respectively installed in corresponding bearing seats, protruding wings are arranged at two sides of an upper operating roller bearing seat and two sides of a lower operating roller bearing seat in a processing mode, a roll-bending device acts on the wings and matches with the screw down cylinders to real time adjust strip steel strip shape in the rolling process, the lower portion of a lower supporting bearing seat presses a rolling line adjusting device, rolling reduction of the screw down cylinder can be adjusted according to strip so that different deflection curve lines can be formed on the roller body of the upper supporting roller and then on-load roll gaps can be adjusted and cold rolled steel strips with good flatness can be produced. The variable deflection four-roller rolling mill with the plurality of the screw down cylinders has the advantages of being high in stiffness of the working stand and adjustable in deflection of the roller body of a roller.
Description
Technical field
The utility model relates to a kind of rolling mill production line main mill device, especially a kind of variable amount of deflection four-high mill with a plurality of depress oil cylinders.
Background technology
4-roller cold rolling mill is the very strong cold-rolling mill of a kind of versatility, and it is simple in structure, is convenient to control, and is rolling wide in variety, is widely used in reversible cold-rolling production line and cold continuous rolling production line.The working stand of existing normal four-roller cold-rolling mill is formed closing to connect by upper and lower crossbeam by two memorial archways usually, and rigidity is not high enough; Thickness control system disposes two depress oil cylinders, is installed on respectively in two memorial archway windows, and oil cylinder working-pressure directly acts on the back-up chock during work, affects bearing block and bearing life; For the demanding cold-rolling mill of production board shape, except the configuration Hydraulic Roll Bending System, usually need dispose again work roll shifting device or roll intersection governor motion, or by strengthen the plate shape control ability of unit at roll barrel processing particular curve, these several modes have all increased the control difficulty of unit, and need Introduced From Abroad rolling mill practice and equipment, involve great expense.
Summary of the invention
In order to overcome the shortcoming of above-mentioned prior art, the purpose of this utility model provides a kind of variable amount of deflection four-high mill with a plurality of depress oil cylinders, and support rigidity is high, plate shape control ability is strong, and the roll barrel amount of deflection is variable.
For achieving the above object, the technical scheme taked of the utility model is:
A kind of variable amount of deflection four-high mill with a plurality of depress oil cylinders, comprise working stand 1, rolling line adjusting device 2, lower backing roll bearing block 3, lower backing roll 4, bottom working roll bearing block 5, bottom working roll 6, top working roll bearing block 7, top working roll 8, upper backup roll bearing block 9, upper backup roll 10, oil film contact block 11, depress oil cylinder 12 and bending system 13, working stand 1 is one piece casting type, fuselage is four uiform section columns, each connects as one with crossbeam up and down, in the inner symmetry of entablature five depress oil cylinders 12 have been installed, the piston rod end of depress oil cylinder 12 is spheric, and be connected with oil film contact block 11, the arcwall face of oil film contact block 11 directly acts on upper backup roll 10 body of roll upper faces, the inside processing unthreaded hole of oil film contact block 11, and be communicated with the oil groove processed on the arcwall face of oil film contact block 11, upper backup roll 10 is installed in the upper backup roll bearing block 9, top working roll 8 is installed in the top working roll bearing block 7, bottom working roll 6 is installed in the bottom working roll bearing block 5, lower backing roll 4 is installed in the lower supporting bearing seat 3, top working roll bearing block 7 and bottom working roll bearing block 5 both sides all process bossed fin, roll-bending device 13 acts on it, match with depress oil cylinder 12 in the operation of rolling and adjust in real time belt plate shape, bottom working roll 6 and top working roll 8 equal diameter equal lengths, lower backing roll 4 barrel diameters are greater than upper backup roll 10 barrel diameters, lower supporting bearing seat 3 belows are pressed against on the rolling line adjusting device 2, and rolling line adjusting device 2 is installed in the bottom of window of working stand 1.
The utility model is owing to taking above technical scheme, and it has the following advantages:
1. working stand rigidity is high.
2. roll bearing is stressed little, and the life-span is long.
3. the roll barrel lateral stiffness is high, and sag curve is adjustable.
4. can control for multiple bad plate shape, be convenient to regulate.
Description of drawings
Fig. 1 is front view of the present utility model.
Fig. 2 is the left view of Fig. 1.
Fig. 3 is roll and depress oil cylinder initialization position schematic diagram.
Fig. 4 is that roll and depress oil cylinder are for the adjustment schematic diagram of monolateral wave.
Fig. 5 is that roll and depress oil cylinder are for the adjustment schematic diagram of bilateral wave.
Fig. 6 is that roll and depress oil cylinder are for the adjustment schematic diagram of middle wave.
Fig. 7 is that roll and depress oil cylinder are for the adjustment schematic diagram of 1/4th waves.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is described in detail.
Such as Fig. 1, shown in Figure 2, a kind of variable amount of deflection four-high mill with a plurality of depress oil cylinders, comprise working stand 1, rolling line adjusting device 2, lower backing roll bearing block 3, lower backing roll 4, bottom working roll bearing block 5, bottom working roll 6, top working roll bearing block 7, top working roll 8, upper backup roll bearing block 9, upper backup roll 10, oil film contact block 11, depress oil cylinder 12 and bending system 13, working stand 1 is one piece casting type, fuselage is four uiform section columns, each connects as one with crossbeam up and down, in the inner symmetry of entablature five depress oil cylinders 12 have been installed, the piston rod end of depress oil cylinder 12 is spheric, and be connected with oil film contact block 11, the arcwall face of oil film contact block 11 directly acts on upper backup roll 10 body of roll upper faces, the inside processing unthreaded hole of oil film contact block 11, and be communicated with the oil groove processed on the arcwall face of oil film contact block 11, connect hydraulic oil during work, to form the static pressure oil film, upper backup roll 10 is installed in the upper backup roll bearing block 9, top working roll 8 is installed in the top working roll bearing block 7, bottom working roll 6 is installed in the bottom working roll bearing block 5, lower backing roll 4 is installed in the lower supporting bearing seat 3, top working roll bearing block 7 and bottom working roll bearing block 5 both sides all process bossed fin, roll-bending device 13 acts on it, match with depress oil cylinder 12 in the operation of rolling and adjust in real time belt plate shape, bottom working roll 6 and top working roll 8 equal diameter equal lengths, can mutually replace, lower backing roll 4 barrel diameters are greater than upper backup roll 10 barrel diameters, lower supporting bearing seat 3 belows are pressed against on the rolling line adjusting device 2, and rolling line adjusting device 2 is installed in the bottom of window of working stand 1.
Operation principle of the present utility model is:
When rolling, the utility model is regulated the depress oil cylinder 12 of diverse location and is implemented different drafts according to the different plate shape of band situation, makes upper backup roll 10 bodies of roll form different sag curves, and then to there being the roll gap of carrying to control, produce the good cold-strip steel of ejecting plate shape.Depress oil cylinder 12 initialization positions as shown in Figure 3, the drafts of five oil cylinders is identical, upper backup roll 10 bodies of roll are straight.When monolateral wave appears in the band steel, adjust depress oil cylinder 12 as shown in Figure 4, a side cylinder drafts that monolateral wave occurs reduces, and all the other oil cylinder drafts increase successively.When bilateral wave appears in the band steel, adjust depress oil cylinder 12 as shown in Figure 5, middle oil cylinder increases drafts, and all the other oil cylinder drafts Central Symmetries reduce successively.When unrestrained in the band steel occurs, adjust depress oil cylinder 12 as shown in Figure 6, middle oil cylinder reduces drafts, and all the other oil cylinder drafts Central Symmetries increase successively.When 1/4th waves appears in the band steel, depress oil cylinder 12 as shown in Figure 7, centre and both sides oil cylinder increase drafts, all the other two oil cylinder drafts reduce.
The utility model relies on a plurality of depress oil cylinders of adjusting to adjust belt plate shape, and control mode is simply direct, and mill stiffness is high, is easy to produce high-precision band.
Claims (1)
1. variable amount of deflection four-high mill with a plurality of depress oil cylinders, it is characterized in that: comprise working stand (1), rolling line adjusting device (2), lower backing roll bearing block (3), lower backing roll (4), bottom working roll bearing block (5), bottom working roll (6), top working roll bearing block (7), top working roll (8), upper backup roll bearing block (9), upper backup roll (10), oil film contact block (11), depress oil cylinder (12) and bending system (13), working stand (1) is one piece casting type, fuselage is four uiform section columns, each connects as one with crossbeam up and down, in the inner symmetry of entablature five depress oil cylinders (12) have been installed, the piston rod end of depress oil cylinder (12) is spheric, and be connected with oil film contact block (11), the arcwall face of oil film contact block (11) directly acts on upper backup roll (10) body of roll upper face, the inside processing unthreaded hole of oil film contact block (11), and be communicated with the oil groove processed on the arcwall face of oil film contact block (11), upper backup roll (10) is installed in the upper backup roll bearing block (9), top working roll (8) is installed in the top working roll bearing block (7), bottom working roll (6) is installed in the bottom working roll bearing block (5), lower backing roll (4) is installed in the lower supporting bearing seat (3), top working roll bearing block (7) and bottom working roll bearing block (5) both sides all process bossed fin, roll-bending device (13) acts on it, match with depress oil cylinder (12) in the operation of rolling and adjust in real time belt plate shape, bottom working roll (6) and top working roll (8) equal diameter equal length, lower backing roll (4) barrel diameter is greater than upper backup roll (10) barrel diameter, lower supporting bearing seat (3) below is pressed against on the rolling line adjusting device (2), and rolling line adjusting device (2) is installed in the bottom of window of working stand (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220302049 CN202824155U (en) | 2012-06-26 | 2012-06-26 | Variable deflection four-roller rolling mill with a plurality of screw down cylinders |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220302049 CN202824155U (en) | 2012-06-26 | 2012-06-26 | Variable deflection four-roller rolling mill with a plurality of screw down cylinders |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202824155U true CN202824155U (en) | 2013-03-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220302049 Expired - Lifetime CN202824155U (en) | 2012-06-26 | 2012-06-26 | Variable deflection four-roller rolling mill with a plurality of screw down cylinders |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202824155U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102744266A (en) * | 2012-06-26 | 2012-10-24 | 中国重型机械研究院有限公司 | Variable-deflection four-roller rolling machine |
| CN103591073A (en) * | 2013-11-22 | 2014-02-19 | 常德中联重科液压有限公司 | Mechanical linkage type pressure reducing valve, interstage valve set of main valve and pressure reducing valve and engineering machine |
| CN104785541A (en) * | 2015-03-27 | 2015-07-22 | 中冶南方工程技术有限公司 | Segmentation compression roller type tensile stress distribution control device |
| CN108080423A (en) * | 2017-10-19 | 2018-05-29 | 燕山大学 | A kind of real-time intelligent rolling mill for obtaining loading roll gap information |
-
2012
- 2012-06-26 CN CN 201220302049 patent/CN202824155U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102744266A (en) * | 2012-06-26 | 2012-10-24 | 中国重型机械研究院有限公司 | Variable-deflection four-roller rolling machine |
| CN103591073A (en) * | 2013-11-22 | 2014-02-19 | 常德中联重科液压有限公司 | Mechanical linkage type pressure reducing valve, interstage valve set of main valve and pressure reducing valve and engineering machine |
| CN103591073B (en) * | 2013-11-22 | 2015-09-30 | 常德中联重科液压有限公司 | Mechanical linkage type reduction valve, main valve and reduction valve interstage valve group and engineering machinery |
| CN104785541A (en) * | 2015-03-27 | 2015-07-22 | 中冶南方工程技术有限公司 | Segmentation compression roller type tensile stress distribution control device |
| CN104785541B (en) * | 2015-03-27 | 2017-03-01 | 中冶南方工程技术有限公司 | Segmentation roller tensile stress DCU distribution control unit |
| CN108080423A (en) * | 2017-10-19 | 2018-05-29 | 燕山大学 | A kind of real-time intelligent rolling mill for obtaining loading roll gap information |
| CN108080423B (en) * | 2017-10-19 | 2019-06-21 | 燕山大学 | A kind of real-time intelligent rolling mill for obtaining loading roll gap information |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 710032 Shaanxi province Xi'an Weiyang Dongyuan Road No. 209 Chinese Heavy Machinery Research Institute Co. Ltd. Patentee after: CHINA NATIONAL HEAVY MACHINERY RESEARCH INSTITUTE Co.,Ltd. Address before: 710032 Shaanxi province Xi'an Weiyang Dongyuan Road No. 209 Chinese Heavy Machinery Research Institute Co. Ltd. Patentee before: China National Heavy Machinery Research Institute Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130327 |