CN203621096U - Water retaining device for rolling mill - Google Patents
Water retaining device for rolling mill Download PDFInfo
- Publication number
- CN203621096U CN203621096U CN201320705491.0U CN201320705491U CN203621096U CN 203621096 U CN203621096 U CN 203621096U CN 201320705491 U CN201320705491 U CN 201320705491U CN 203621096 U CN203621096 U CN 203621096U
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- water
- working roll
- water retaining
- plate
- rolling
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Abstract
The utility model provides a water retaining device for a rolling mill. The water retaining device comprises fixed water retaining plates, movable water retaining plates and air cylinders, wherein each fixed water retaining plate is arranged on one side, which is opposite to an upper working roll, of an upper working roll water wiping plate and comprises a fixed part and a connecting part, one end of each fixed part is propped against the upper surface of each rolling mill guide and guard unit, and the other end of each fixed part is connected with each connecting part; one end of each movable water retaining plate is pivoted to the connecting part of each fixed water retaining plate, and the other end is in overlap joint with the upper surface of the upper working roll water wiping plate; air cylinder bodies are fixed on the rolling mill guide and guard units, and free ends of piston rods are connected with the movable water retaining plates. According to the device, during rolling of high-alloy-ratio special steel types, tool and mold steel and the like, cooling requirements of supporting rolls and working rolls can be met, the influence caused by cooling water on rolled pieces and rolling processes can be shielded effectively and fully, and the precision and the plate quality of rolled finished products can be guaranteed.
Description
Technical field
The utility model relates to a kind of milling train baffle device for water, belongs to rolling mill and the cooling control field of working roll technique.
Background technology
At large-scale specific alloy strip-mill strip of modern times in the special steel grade process of rolling, the rolling of special steel grade and the mould steel etc. that contains high alloy ratio is very responsive to cooling water, if special steel grade and mould steel are infected with cooling water in mill milling process, the quality of rolled piece will be had a strong impact on, and even can affect normally carrying out of production process.
Current milling train configuration generally (comprises top working roll entrance water discharging board and top working roll outlet water discharging board by top working roll water discharging board, be symmetricly set in top working roll both sides), rolling mill guiding (comprise inlet of rolling mill guide and guard and mill outlet guide, be symmetricly set in top working roll both sides).
More than in prior art, upper backup roll and top working roll cooling water and high pressure dephosphorization water and smog suppress spray and are attached to height of rolling line.The residual water of splashing on equipment all sprays to spill by the space between top working roll water discharging board and rolling mill guiding and drops in rolled piece upper surface.
For this kind of situation, there is no effective means or method is regulated control.Control method conventional in prior art is: the cooling water inflow of minimizing upper backup roll and top working roll or minimizing are even cancelled dephosphorization number of times and reduced the impact of cooling water on special steel grade rolling.
The control method of prior art mainly contains three shortcomings:
1. in rolling during to the highstrung special steel grade of cooling water (special steel grade and the mould steel etc. of foregoing high alloy ratio), regulate the impact of control cooling water on rolled piece without effective means and method, cause rolled piece cracking to scrap and even cause the partially folded roll of nipping of cracking, cause the serious production accidents such as roll breakage and damage the serious equipment breakdowns such as rolling main transmission equipment;
2. simply reducing or closing roll cooling water to make backing roll and working roll operating mode worsen the rising of the deteriorated roller consumption of unstable wear;
3. roll cooling water can produce irregular fever distortion after reducing, so that exceed the adjusting compensation controlled range of rolling model or control system, thus influence of rolled model rolls the compensation impact of Die parameter
The control of part precision and template quality, can cause product rejection when serious.
Utility model content
The purpose of this utility model is to provide a kind of milling train baffle device for water, can guarantee backing roll, working roll cooling requirement at rolling high alloy during than special steel grade and mould steel etc., can effectively fully shield again cooling water to the impact of rolled piece and the operation of rolling and can guarantee precision and the template quality of mill product.
For achieving the above object, the utility model mainly adopts following technical scheme:
A kind of milling train baffle device for water, comprising: fixing water fender, be arranged at respectively a top working roll water discharging board side relative to top working roll, and it comprises fixed part and connecting portion, and described fixed part one end is connected to rolling mill guiding upper surface, and the other end is connected with connecting portion; Movable block water plate, one end pivoting is connected in the connecting portion of described fixing water fender, and the other end is overlapped in described top working roll water discharging board upper surface; Cylinder, cylinder block is fixed on rolling mill guiding, and piston rod free end is connected with described movable block water plate.Also comprise sealing gasket, described sealing gasket is attached at the overlap joint side of movable block water plate and top working roll water discharging board.
Further, described movable block water plate is 0～45 degree around the angle of the connecting portion rotation of fixing water fender.The beneficial effects of the utility model are:
1) fixing water fender and movable block water plate are set, by coordinating of movable block water plate and top working roll water discharging board, guaranteeing under the fully cooling prerequisite of backing roll and working roll, meet the requirement of different steel grades to rolling operating mode, overcome the difficulty in the special steel grade of rolling (if high alloy is than special steel grade and the mould steel etc.) process of conventional mill, guarantee be not cooled water spray of special steel grade rolled piece upper surface, thereby guarantee carrying out smoothly and rolled piece quality of special steel grade rolling, precision and the template quality of mill product are guaranteed, solve ubiquitous difficult chronic disease in similar steel enterprise,
2) cylinder is set, can accurately control the position of movable block water plate, can be in direct control cylinder control movable block water plate position under stopped status not to meet different rolling operating mode demands, effectively guarantee continuity that hot rolling produces, remarkable improving production efficiency and improve product quality, further expand powerful guarantee is provided for special steel grade rolling and new product;
3) adopt cylinder to drive movable block water plate, can effectively prevent that oil cylinder seepage from causing to surface of steel plate secondary pollution, make the long-term work under the adverse circumstances such as hyperthermia radiation, splash water, water vapour, vibratory impulse, position frequent variations of this device, improve job stability, reliability, durability and operation maintenance and operation consumption low cost feature, pneumatic all have remarkable advantage than hydraulic pressure or other modes;
4) sealing gasket is set, can further guarantees the seal degree of movable block water plate and top working roll water discharging board upper surface, effectively prevent cooling water leakage.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model baffle device for water movable block water plate in closure state.
Fig. 2 is the A portion enlarged diagram of Fig. 1.
Fig. 3 is the structural representation of the utility model baffle device for water movable block water plate in opening.
The specific embodiment
Below by specific embodiment, the utility model is described further, should be clear and definite, embodiment, only for the description to the utility model optimal way, does not limit protection domain of the present utility model.
As shown in FIG. 1 to 3, milling train baffle device for water of the present utility model, comprise: fixing water fender, be arranged at respectively top working roll water discharging board 7 side relative to top working roll 5 (take a side as example, lower same), it comprises fixed part 101 and connecting portion 102, and described fixed part 101 one end are connected to rolling mill guiding 6 upper surfaces, and the other end is connected with connecting portion 102; Movable block water plate 2, one end pivoting is connected in the connecting portion 102 of described fixing water fender 1, and the other end is overlapped in described top working roll water discharging board 7 upper surfaces; Cylinder 3, cylinder block is fixed on rolling mill guiding 6, and piston rod free end is connected with described movable block water plate 2.Also comprise some sealing gaskets 4, described sealing gasket 4 is attached at the overlap joint side of movable block water plate 2 and top working roll water discharging board 7.The angle that described movable block water plate 2 rotates around the connecting portion 102 of fixing water fender 1 is 0～45 degree.
Further, as shown in FIG. 1 to 3, described fixing water fender 1, movable block water plate 2, cylinder 3, all take top working roll 5 as axle, are symmetricly set in respectively the both sides that top working roll water discharging board 7 is relative with top working roll 5.Top working roll water discharging board 7 comprises top working roll entrance water discharging board 702 and top working roll outlet water discharging board 701.Rolling mill guiding 6 comprises inlet of rolling mill guide and guard 602 and mill outlet guide 601.
A kind of milling train provided by the utility model is as follows by the use flow process of baffle device for water:
As shown in Figure 1, in rolling to the highstrung high alloy of cooling water during than special steel grade and mould steel etc., operation is controlled cylinder 3 and is driven movable block water plate 2, sealing gasket 4 and top working roll water discharging board 7 upper surfaces are fitted tightly, effectively the cooling water shielding of upper backup roll (not shown) and top working roll 5 is guided to two end side surface earial drainages of inlet of rolling mill guide and guard 602 and mill outlet guide 601, guarantee be not cooled water spray of rolled piece upper surface, both guaranteed that backing roll and working roll were fully cooling, the impact of cooling water on rolled piece and the operation of rolling be can effectively fully shield again and precision and the template quality of mill product guaranteed.
As shown in Figure 3, when at the conventional steel grade of rolling, movable block water plate 2 is in open mode, or rolled piece rolling intermittence and gap before and after in the anhydrous operation of rolling, open movable block water plate 2 and can utilize roll cooling water to wash away removing to the hammer scale accumulating on bottom working roll water discharging board, be conducive to guaranteeing and promoting of finished steel plate surface quality.
When roll change: as shown in Figure 2, control cylinder 3 drives on movable block water plate 2 and turns in opening position, roll change program is routinely extracted working roll out, push working roll and lock after working roll pressing plate, controlling cylinder 3 drives movable block water plate 2 to press down, make movable block water plate 2 to closing impaction state, sealing gasket 4 has shielding cooling water water retaining function while fitting tightly with working roll water discharging board 7 upper surfaces.
While changing steel grade in continuous flow procedure: the position that can directly control movable block water plate 2 under stopped status to be not to meet different rolling operating mode demands, effectively guarantee continuity that hot rolling produces, remarkable improving production efficiency and improve product quality, further expand powerful guarantee is provided for special steel grade rolling and new product.
The utility model provides a kind of milling train baffle device for water, at the open and-shut mode that can select easily operation control movable block water plate according to different steel grade rolling operating mode demands, can guarantee backing roll, working roll cooling requirement at rolling high alloy during than special steel grade and mould steel etc., the impact of cooling water on rolled piece and the operation of rolling be can effectively fully shield again and precision and the template quality of mill product guaranteed, solve ubiquitous difficult chronic disease in similar steel enterprise, be suitable for the special steel grade rolling of modern large-scale specific alloy strip-mill strip and the application of new product Expansion development.
It should be noted that, above embodiment is only unrestricted in order to the technical solution of the utility model to be described.Although the utility model is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can modify or be equal to replacement the technical scheme of utility model, and not departing from the scope of technical solutions of the utility model, it all should be encompassed in claim scope of the present utility model.
Claims (3)
1. a milling train baffle device for water, is characterized in that, comprising:
Fixing water fender, is arranged at respectively a top working roll water discharging board side relative to top working roll, and it comprises fixed part and connecting portion, and described fixed part one end is connected to rolling mill guiding upper surface, and the other end is connected with connecting portion;
Movable block water plate, one end pivoting is connected in the connecting portion of described fixing water fender, and the other end is overlapped in described top working roll water discharging board upper surface;
Cylinder, cylinder block is fixed on rolling mill guiding, and its piston rod free end is connected with described movable block water plate.
2. milling train baffle device for water according to claim 1, is characterized in that, also comprises sealing gasket, and described sealing gasket is attached at the overlap joint side of movable block water plate and top working roll water discharging board.
3. milling train baffle device for water according to claim 1, is characterized in that, described movable block water plate is 0～45 degree around the angle of the connecting portion rotation of fixing water fender.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320705491.0U CN203621096U (en) | 2013-11-08 | 2013-11-08 | Water retaining device for rolling mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320705491.0U CN203621096U (en) | 2013-11-08 | 2013-11-08 | Water retaining device for rolling mill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203621096U true CN203621096U (en) | 2014-06-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320705491.0U Expired - Fee Related CN203621096U (en) | 2013-11-08 | 2013-11-08 | Water retaining device for rolling mill |
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| Country | Link |
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| CN (1) | CN203621096U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104162544A (en) * | 2014-07-21 | 2014-11-26 | 新余钢铁集团有限公司 | Upper working roll protective plate and water-proof guide plate locking structure |
| CN105422810A (en) * | 2015-12-19 | 2016-03-23 | 重庆麦拓科技有限公司 | Rolling mill and box thereof |
| CN106282506A (en) * | 2016-08-30 | 2017-01-04 | 山东钢铁股份有限公司 | A kind of high-accuracy quenching press preventer |
| CN107309271A (en) * | 2017-07-31 | 2017-11-03 | 中冶赛迪技术研究中心有限公司 | A kind of method for suppressing hot rolled H-shaped surface red rust |
| TWI672189B (en) * | 2018-11-26 | 2019-09-21 | 中龍鋼鐵股份有限公司 | Water stop device for finishing mill |
| CN113463163A (en) * | 2021-06-23 | 2021-10-01 | 机械工业第九设计研究院有限公司 | New structure of pretreatment electrophoresis track water baffle |
-
2013
- 2013-11-08 CN CN201320705491.0U patent/CN203621096U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104162544A (en) * | 2014-07-21 | 2014-11-26 | 新余钢铁集团有限公司 | Upper working roll protective plate and water-proof guide plate locking structure |
| CN104162544B (en) * | 2014-07-21 | 2016-07-27 | 新余钢铁集团有限公司 | A kind of top working roll backplate and anti-water guide plate locking mechanism |
| CN105422810A (en) * | 2015-12-19 | 2016-03-23 | 重庆麦拓科技有限公司 | Rolling mill and box thereof |
| CN106282506A (en) * | 2016-08-30 | 2017-01-04 | 山东钢铁股份有限公司 | A kind of high-accuracy quenching press preventer |
| CN107309271A (en) * | 2017-07-31 | 2017-11-03 | 中冶赛迪技术研究中心有限公司 | A kind of method for suppressing hot rolled H-shaped surface red rust |
| CN107309271B (en) * | 2017-07-31 | 2018-11-23 | 中冶赛迪技术研究中心有限公司 | A method of inhibiting hot rolled H-shaped surface red rust |
| TWI672189B (en) * | 2018-11-26 | 2019-09-21 | 中龍鋼鐵股份有限公司 | Water stop device for finishing mill |
| CN113463163A (en) * | 2021-06-23 | 2021-10-01 | 机械工业第九设计研究院有限公司 | New structure of pretreatment electrophoresis track water baffle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140604 Termination date: 20211108 |