CN103357737A - Metal strip pure extension straightening used convexity variable tension roller system - Google Patents
Metal strip pure extension straightening used convexity variable tension roller system Download PDFInfo
- Publication number
- CN103357737A CN103357737A CN2013102800609A CN201310280060A CN103357737A CN 103357737 A CN103357737 A CN 103357737A CN 2013102800609 A CN2013102800609 A CN 2013102800609A CN 201310280060 A CN201310280060 A CN 201310280060A CN 103357737 A CN103357737 A CN 103357737A
- Authority
- CN
- China
- Prior art keywords
- metal strip
- tension roller
- pressure
- sheet metal
- roller system
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Landscapes
- Rolls And Other Rotary Bodies (AREA)
- Straightening Metal Sheet-Like Bodies (AREA)
Abstract
The invention relates to a metal strip pure extension straightening used convexity variable tension roller system, which includes a mandrel, a roller sleeve, at least one seal cavity formed between the roller sleeve and the mandrel, and a hydraulic system, wherein an oil inlet pipeline communicated with the seal cavity is connected with a swivel joint through a pressure transmission device; an oil return pipeline communicated with the seal cavity is connected with the swivel joint; the swivel joint is connected to the hydraulic system through a pipeline. Pressure-bearing liquid is transmitted to the seal cavity through the hydraulic system, pressure of the pressure-bearing liquid is changed to cause elastic deformation of the roller sleeve and deformation of the cladding layer, so that the convexity of the roller surface is formed; under the joint function of the tension and the convexity of the roller surface, the shape of the metal strip is adjusted and improved; the convexity variable tension roller system integrates two functions of tension stretching in strip straightening and adjustment in horizontal plate shape, and the real-time and on-line operation with a unit can be carried out.
Description
Technical field
The present invention relates to a kind of variable convex tension roller system for sheet metal strip pure extension aligning, be applicable to the aligning unit of wide format metal sheet band, belong to sheet metal strip finishing technical field.
Background technology
In the metal processing industry, strip straightening is as the important procedure of finishing link, is the terminal link that the plate shape etc. to finished product is controlled.The straightening process of band has experienced the technical development processes such as roll straightening, tension force stretching aligning, stretch-bend leveller.Present stage, the most extensive with the use of stretch-bend leveller.Stretch-bend leveller can be realized the good aligning of band in theory.
But, because the restriction of aligning unit resistance straightening unit frame for movement has different leveling effects to different metal; For the relatively poor supplied materials of porch plate shape, use the technological parameter of same specification product, final leveling effect is also barely satisfactory; The lubricating oil that may use in the bending straightening process, the impurity that may contain in the lubricating oil or particle easily cause the new pollution of strip surface or blemish.
Owing to reason mentioned above, when the production of stretching-bending straightener group portioned product, do not drop into the bending straightening unit and only use the tension force stretching straightening function.In this case, owing to lack other profile regulation means, can't effectively correct plate shape.
Summary of the invention
The objective of the invention is to overcome the deficiency that exists in the existing straight technology actual production of stretch bending sedan-chair, a kind of variable convex tension roller system for sheet metal strip pure extension aligning is provided.
Purpose of the present invention is achieved through the following technical solutions:
Sheet metal strip pure extension aligning variable convex tension roller system, characteristics are: comprise at least one seal chamber and the hydraulic system that form between axle, roller shell, roller shell and the axle, link to each other with swivel coupling through pressure transmitter device with the in-line that seal chamber is connected, link to each other with swivel coupling with the return line that seal chamber is connected, swivel coupling accesses to hydraulic system by pipeline.
Further, above-mentioned sheet metal strip pure extension aligning variable convex tension roller system, described hydraulic system comprises Hydraulic Station and pressure-regulating valve group, and Hydraulic Station links to each other with the pressure-regulating valve group by pipeline, and the pressure-regulating valve group links to each other with swivel coupling by pipeline.
Further, above-mentioned sheet metal strip pure extension aligning is used the variable convex tension roller system, and described seal chamber is formed by the one or more cannelures on the roller shell inner headed face and axle periphery.
Further, above-mentioned sheet metal strip pure extension aligning is used the variable convex tension roller system, is interference fit between described roller shell and the axle.
Further, above-mentioned sheet metal strip pure extension aligning is used the variable convex tension roller system, is provided with sealing device between described roller shell and the axle.
Again further, above-mentioned sheet metal strip pure extension aligning is used the variable convex tension roller system, and described roller shell surface is coated with coating layer.
Again further, to use variable convex tension roller system, described clad be polyurethane material layer or poly-fluorubber material layer to above-mentioned sheet metal strip pure extension aligning.
The substantive distinguishing features that technical solution of the present invention is outstanding and significant progressive being mainly reflected in:
In being close to full band length scope, the function that the variable convex jockey pulley can provide tension force stretching and horizontal (strip width direction) plate shape to adjust.The variable convex jockey pulley both can realize that plate shape was to a certain degree adjusted, and can cooperate with miscellaneous part, system simultaneously, produced the needed tension force of deformation of strip.After the variable convex jockey pulley was used in combination, the active force that band is applied can make band realize strain and plastic deformation.Reduce the dependence to the bending straightening module, greatly reduced the possibility of the defectives such as strip surface generation cut.Various variable convex jockey pulleys with multi-form or quantity seal chamber can be used in combination, and improve in order to the plate shape to strip width direction diverse location.Under the acting in conjunction of tension force and roll surface convexity, realize adjusting and the improvement of sheet metal strip plate shape.The adjusting two large functions of the variable convex tension roller system is integrated in strip straightening tension force stretching and transverse plate shape, can random groups in real time, on-line operation.
Description of drawings
Below in conjunction with accompanying drawing technical solution of the present invention is described further:
Fig. 1: the schematic cross-section of tension roller system of the present invention;
Fig. 2: the schematic partial cross-sectional view with tension roller system of a seal chamber;
Fig. 3: another kind has the schematic partial cross-sectional view of the tension roller system of a seal chamber;
Fig. 4: the schematic partial cross-sectional view with tension roller system of two seal chambers;
Fig. 5: the combination schematic diagram of two tension roller systems;
Fig. 6: the combination schematic diagram of four tension roller systems.
The specific embodiment
Adopt the variable convex jockey pulley, control by the fluid pressure of the seal oil chamber between center roller and the axle sleeve, can realize that the roll surface that contacts with band has certain convexity, thereby reach the purpose of the flatness defect that improves sheet metal strip.
As shown in Figure 1, sheet metal strip pure extension aligning variable convex tension roller system 1, comprise at least one seal chamber 104 and hydraulic system of forming between axle 101, roller shell 103, roller shell 103 and the axle 101, link to each other with swivel coupling 109 through pressure transmitter device 108 with the in-line 106 that seal chamber 104 is connected, link to each other with swivel coupling 109 with the return line 105 that seal chamber 104 is connected, swivel coupling 109 accesses to hydraulic system by pipeline; Hydraulic system comprises Hydraulic Station 111 and pressure-regulating valve group 110, and Hydraulic Station 111 links to each other with pressure-regulating valve group 110 by pipeline, and pressure-regulating valve group 110 links to each other with swivel coupling 109 by pipeline.Hydraulic system is input to pressure-bearing liquid in the seal chamber 104, in case of necessity, pressure-bearing liquid in the seal chamber 104 also can flow back into Hydraulic Station 111 through return line 112, and roller shell 103 under the pressure-acting of pressure-bearing liquid strain occurs, and realizes the variation of roller shell 103 surperficial convexitys.
Fluid enters into pressure-regulating valve group 110 from Hydraulic Station 111, herein, the pressure of liquid, flow etc. obtain certain control, then enter swivel coupling 109, swivel coupling 109 is mainly used in carrying the fluid effect to revolving meber, and the fluid of input swivel coupling 109 is the fluid of low-pressure.Pressure transmitter device increases to desired pressure value with fluid pressure, and this process is controlled.Then by pressure transmitter device 108 with the pressure setting of fluid to desired value and be transported in the seal chamber 104.Roller shell 103 and clad 113 produce strain under the effect of pressurized fluid, i.e. so-called roll surface convexity.The band that contacts with clad 113, under the acting in conjunction of tension force and roll surface convexity, band produces axial 100 distortion, thereby improves band 300 in the defective of this direction.
Be interference fit between roller shell 103 and the axle 101, the sealing of seal chamber is that interference fit by axle 101 and roller shell 103 guarantees generally speaking.For preventing that the variable convex tension roller system from the leakage that possible stress lower seal performance descends and produces pressure-bearing liquid, also can increase sealing device 102 in case of necessity, the position of sealing device 102 may be, but is not limited to the both ends of the surface of roller.
The fluid of lower pressure (not being higher than 12MPa) is through behind the swivel coupling 109, is input in the pressure transmitter device 108 and pressurized fluid pressure is increased and reach the pressure of expectation.Generally speaking, pressure transmitter device 108 output end pressures become multiple or ratio to change with input pressure, and the variation of this pressure is controlled.Make roller shell 103 that strain occur by the pressure that changes the pressure-bearing liquid in the input seal chamber 104.In some possible situation, need to be positioned at the pressurized fluid release of seal chamber, at this moment, pressurized fluid can be back to Hydraulic Station 111 by return line 105, swivel coupling 109 and return line 112.
Sheet metal strip pure extension aligning can be used in combination with variable convex tension roller system 1, comprises at least accordingly 2 variable convex tension roller systems.
Shown in Fig. 2～4, the quantity of seal chamber 104 can be 1 or 2.The position of seal chamber can be in axial 100 optional positions.Thereby can be used for the vertically aligning of the defective of 100 diverse locations of band 300.As shown in Figure 1, the defective tool that band 300 is positioned at axial 100 middle parts has a better role.As shown in Figure 4, to band 300 both sides, namely the defective tool at axial left side and right side place has a better role.
Roller group 3 is made of the variable convex tension roller system with identical inner structure or different structure, such as Fig. 5, is used in combination by two identical variable convex tension roller systems 1; Such as Fig. 6, be used in combination by four identical variable convex tension roller systems 1.When being used in combination, band 300 orders are through different variable convex jockey pulleys, and the actual tension force that is subject to of band can increase or reduce successively successively.Based on this principle, can prevent band to be broken by unsuitable tension force.In fact, no matter which kind of is used in combination mode, and one or more variable-crown roll can replace to common cylindrical roller.
In being close to full band length scope, the function that the variable convex jockey pulley can provide tension force stretching and horizontal (strip width direction) plate shape to adjust.The variable convex jockey pulley both can realize that plate shape was to a certain degree adjusted, and can cooperate with miscellaneous part, system simultaneously, produced the needed tension force of deformation of strip.After the variable convex jockey pulley was used in combination, the active force that band is applied can make band realize strain and plastic deformation.Reduce the dependence to the bending straightening module, greatly reduced the possibility of the defectives such as strip surface generation cut.Various variable convex jockey pulleys with multi-form or quantity seal chamber can be used in combination, and improve in order to the plate shape to strip width direction diverse location.Under the acting in conjunction of tension force and roll surface convexity, realize adjusting and the improvement of sheet metal strip plate shape.The adjusting two large functions of the variable convex tension roller system is integrated in strip straightening tension force stretching and transverse plate shape, can random groups in real time, on-line operation.
What need to understand is: the above only is preferred embodiment of the present invention; for those skilled in the art; under the prerequisite that does not break away from the principle of the invention, can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (7)
1. the sheet metal strip pure extension is aligned and is used the variable convex tension roller system, it is characterized in that: comprise at least one seal chamber (104) and the hydraulic system that form between axle (101), roller shell (103), roller shell (103) and the axle (101), link to each other with swivel coupling (109) through pressure transmitter device (108) with the in-line (106) that seal chamber (104) is connected, link to each other with swivel coupling (109) with the return line (105) that seal chamber (104) is connected, swivel coupling (109) accesses to hydraulic system by pipeline.
2. sheet metal strip pure extension according to claim 1 is aligned and is used the variable convex tension roller system, it is characterized in that: described hydraulic system comprises Hydraulic Station (111) and pressure-regulating valve group (110), Hydraulic Station (111) links to each other with pressure-regulating valve group (110) by pipeline, and pressure-regulating valve group (110) links to each other with swivel coupling (109) by pipeline.
3. sheet metal strip pure extension aligning according to claim 1 is used the variable convex tension roller system, and it is characterized in that: described seal chamber (104) is formed by the one or more cannelures on roller shell (103) inner headed face and axle (101) periphery.
4. sheet metal strip pure extension aligning according to claim 1 is used the variable convex tension roller system, it is characterized in that: be interference fit between described roller shell (103) and the axle (101).
5. sheet metal strip pure extension aligning according to claim 1 is used the variable convex tension roller system, it is characterized in that: be provided with sealing device (102) between described roller shell (103) and the axle (101).
6. sheet metal strip pure extension according to claim 1 aligning is used the variable convex tension roller system, it is characterized in that: described roller shell (103) surface be coated with coating layer (113).
7. sheet metal strip pure extension aligning according to claim 6 is used the variable convex tension roller system, and it is characterized in that: described clad (113) is polyurethane material layer or poly-fluorubber material layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013102800609A CN103357737A (en) | 2013-07-05 | 2013-07-05 | Metal strip pure extension straightening used convexity variable tension roller system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013102800609A CN103357737A (en) | 2013-07-05 | 2013-07-05 | Metal strip pure extension straightening used convexity variable tension roller system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103357737A true CN103357737A (en) | 2013-10-23 |
Family
ID=49360477
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013102800609A Pending CN103357737A (en) | 2013-07-05 | 2013-07-05 | Metal strip pure extension straightening used convexity variable tension roller system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103357737A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104438340A (en) * | 2014-11-28 | 2015-03-25 | 苏州有色金属研究院有限公司 | Convexity-variable supporting roll for metal rolling mill and control method thereof |
| CN113664075A (en) * | 2021-07-18 | 2021-11-19 | 盐城工学院 | Variable camber roll panel forming device |
| CN113664076A (en) * | 2021-07-18 | 2021-11-19 | 盐城工学院 | Three-dimensional curved surface roll forming method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS555161A (en) * | 1978-06-27 | 1980-01-16 | Sumitomo Metal Ind Ltd | Production of sleeve for variable crown roll |
| JPS5750204A (en) * | 1980-09-10 | 1982-03-24 | Sumitomo Metal Ind Ltd | Rolling mill |
| CN1043644A (en) * | 1989-11-22 | 1990-07-11 | 东北重型机械学院秦皇岛分校 | Convexity controllable roll with special-shaped oil pocket |
| CN201921912U (en) * | 2010-12-04 | 2011-08-10 | 金川集团有限公司 | Device capable of adjusting convexity of roll surface of concave straightening roll |
| CN102451842A (en) * | 2010-10-29 | 2012-05-16 | 宝山钢铁股份有限公司 | Tension descaling roll with variable convexities |
| CN203409059U (en) * | 2013-07-05 | 2014-01-29 | 苏州有色金属研究院有限公司 | Variable-convexity tension roller system for pure stretch leveling of sheet metal strips |
-
2013
- 2013-07-05 CN CN2013102800609A patent/CN103357737A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS555161A (en) * | 1978-06-27 | 1980-01-16 | Sumitomo Metal Ind Ltd | Production of sleeve for variable crown roll |
| JPS5750204A (en) * | 1980-09-10 | 1982-03-24 | Sumitomo Metal Ind Ltd | Rolling mill |
| CN1043644A (en) * | 1989-11-22 | 1990-07-11 | 东北重型机械学院秦皇岛分校 | Convexity controllable roll with special-shaped oil pocket |
| CN102451842A (en) * | 2010-10-29 | 2012-05-16 | 宝山钢铁股份有限公司 | Tension descaling roll with variable convexities |
| CN201921912U (en) * | 2010-12-04 | 2011-08-10 | 金川集团有限公司 | Device capable of adjusting convexity of roll surface of concave straightening roll |
| CN203409059U (en) * | 2013-07-05 | 2014-01-29 | 苏州有色金属研究院有限公司 | Variable-convexity tension roller system for pure stretch leveling of sheet metal strips |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104438340A (en) * | 2014-11-28 | 2015-03-25 | 苏州有色金属研究院有限公司 | Convexity-variable supporting roll for metal rolling mill and control method thereof |
| CN113664075A (en) * | 2021-07-18 | 2021-11-19 | 盐城工学院 | Variable camber roll panel forming device |
| CN113664076A (en) * | 2021-07-18 | 2021-11-19 | 盐城工学院 | Three-dimensional curved surface roll forming method |
| CN113664076B (en) * | 2021-07-18 | 2022-07-19 | 盐城工学院 | Three-dimensional curved surface roll forming method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203409059U (en) | Variable-convexity tension roller system for pure stretch leveling of sheet metal strips | |
| CN103357737A (en) | Metal strip pure extension straightening used convexity variable tension roller system | |
| JP7026289B2 (en) | How to optimize the tension system to suppress the vibration of the cold tandem rolling mill | |
| CN100551567C (en) | Control method for rolling load balance of double-motor transmission cold-strip steel rolling mill | |
| CN110385340B (en) | Rolling method and device of double-stand temper mill | |
| CN107442575B (en) | Prediction method for strip steel wet-flat surface roughness | |
| CN103203369A (en) | Plate shape control method for hot-rolled high-strength thin strip steel | |
| CN101372018A (en) | Diversified cross-connection control method for plate shape of hot rolling band steel | |
| KR20170048823A (en) | Hydroforming apparatus for tube | |
| CN202860982U (en) | Rollers of steel tube sizing and reducing mill and steel tube sizing and reducing mill using the same | |
| CN106985489A (en) | Film sticking apparatus | |
| CN209647212U (en) | A kind of Cold Rolling System of stainless steel band | |
| CN104128374A (en) | E1 vertical roll of strip rolling mill | |
| CN1705527A (en) | Method and apparatus for rolling a tube | |
| CN204974724U (en) | Make -up machine edger roll balancing unit | |
| CN104550268B (en) | Singly drive pinch roll | |
| CN109530500B (en) | Elbow and elbow manufacturing method | |
| CN104259257B (en) | A kind of continuous recurvation Apparatus for () and method therefor of rolled metal composite strip | |
| CN107906069B (en) | Hydraulic valve table of square and round combined small square billet withdrawal and straightening machine and control method | |
| CN109530487B (en) | Pipe straightener working roll inclination angle adjusting method based on discrete optimization | |
| CN207655666U (en) | Straightener roll of straightener stablizes anti-rock hydraulic pressure retaining system | |
| CN205298100U (en) | Major diameter steel pipe spiral forming group of planes sharing hydraulic system | |
| CN212560605U (en) | Composite fiber production compression roller pressure device | |
| CN104994971A (en) | Method and apparatus for forming thin-board-like base material | |
| CN104389678A (en) | Motorcycle, motorcycle crank connecting rod assembly and crank pin seal assembly |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20131023 |