CN104190753A - Pure tension straightener - Google Patents
Pure tension straightener Download PDFInfo
- Publication number
- CN104190753A CN104190753A CN201410386033.4A CN201410386033A CN104190753A CN 104190753 A CN104190753 A CN 104190753A CN 201410386033 A CN201410386033 A CN 201410386033A CN 104190753 A CN104190753 A CN 104190753A
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- tension
- jockey pulley
- pulley group
- roller
- straightener
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Abstract
The invention relates to the field of mechanical devices, in particular to a pure tension straightener. The pure tension straightener comprises an inlet tension roller set. The inlet tension roller set is connected with an outlet tension roller set through tangent convexity variable straightening rollers. The pure tension straightener is characterized in that the inlet tension roller set and the outlet tension roller set are different in roller diameter, the roller diameter of the inlet tension roller set gradually becomes larger, and the roller diameter of the outlet tension roller set gradually becomes smaller. The pure tension straightener overcomes the defects that according to a traditional roller type straightener, an extremely thin strip is hard to straighten, the energy consumption of the tension straightener is high, and a belt is prone to fracture, the roller convexity can be changed according to the plate shape so as to change the distribution of tension along the plate width, the tension is acted on the needed portion, the straightening quality of the high-strength extremely-thin strip is guaranteed, and the service life of the straightening rollers is prolonged.
Description
Technical field
The present invention relates to mechanized equipment field, be specifically related to pure tension flattening machine.
Technical background
Along with industrial expansion, the demand of aligning high strength ultra-thin strip and stainless strip is increased day by day, the requirement of sheet material glacing flatness is also improved gradually simultaneously.Roll leveller, due to the restriction in structure and roller footpath, almost cannot be aligned the 3D shape defect of high strength ultra-thin strip.Conventional tension straightener during to strip straightening, must apply very large tension force, needs to consume very large energy, aligns the easy broken belt of fragile material simultaneously, easily causes the accident.Though stretch bending-straightening machine has overcome the shortcoming of pure tension flattening machine, minor diameter roller causes strip surface to be compared with hightension state and skewness, as discharged through Downstream processing out-of-balance force, causes deformation of strip.
Summary of the invention
In order to address the above problem, the invention provides a kind of Novel pure tension flattening machine with variable convex smoothing roll, this Novel straightener does not have jockey pulley unit and polynary multiple formula bending roll and the smoothing roll unit of traditional stretch bending-straightening machine complexity, also overcome that traditional roll leveller is difficult to align ultra-thin strip and tension flattening machine energy consumption is high, the defect of easy broken belt, can change roll crown according to plate shape, thereby change tension force along the wide distribution of plate, act on the position of demand.The utilization of this technology, has not only guaranteed the correction quality of high strength ultra-thin strip, has also extended the service life of smoothing roll.
The pure tension flattening machine of the present invention, comprise entrance jockey pulley group, described entrance jockey pulley group is connected with outlet jockey pulley group by tangent variable convex smoothing roll, entrance jockey pulley group is different from the roller footpath of outlet jockey pulley group, and the roller footpath of entrance jockey pulley group increases gradually, the roller footpath of outlet jockey pulley group dwindles gradually.
Preferably, variable convex smoothing roll comprises hydraulic pump, proportional dump valve, input, efferent duct, sealing ring, interior roller, overcoat, and wherein sealing ring is divided into a plurality of independently chambers along plate width direction by smoothing roll, and described variable convex smoothing roll quantity is one.
Preferably, entrance jockey pulley group and outlet jockey pulley group are driven by main motor, and the speed discrepancy of two roller groups is compensated through differential attachment by auxiliary motor.
The present invention does not have jockey pulley unit and polynary multiple formula bending roll and the smoothing roll unit of traditional stretch bending-straightening machine complexity, also overcome that traditional roll leveller is difficult to align ultra-thin strip and tension flattening machine energy consumption is high, the defect of easy broken belt, can change roll crown according to plate shape, thereby change tension force along the wide distribution of plate, act on the position of demand, not only guarantee the correction quality of high strength ultra-thin strip, also extended the service life of smoothing roll.
Accompanying drawing explanation
Fig. 1 is the structural scheme of mechanism of pure tension flattening machine.
Reference numeral: 1-entrance jockey pulley group, 2-outlet jockey pulley group, 3-variable convex smoothing roll.
The specific embodiment
The pure tension flattening machine of the present invention, comprise entrance jockey pulley group 1, described entrance jockey pulley group 1 is connected with outlet jockey pulley group 2 by tangent variable convex smoothing roll 3, entrance jockey pulley group 1 is different from the roller footpath of outlet jockey pulley group 2, object is to skid on roller for fear of band, the roller footpath of entrance jockey pulley group 1 increases gradually, and the roller footpath of outlet jockey pulley group 2 dwindles gradually.Variable convex smoothing roll 3 comprises hydraulic pump, proportional dump valve, input, efferent duct, sealing ring, interior roller, overcoat, and wherein sealing ring is divided into a plurality of independently chambers along plate width direction by smoothing roll, and described variable convex smoothing roll 3 quantity are one.Entrance jockey pulley group 1 and outlet jockey pulley group 2 are driven by main motor, and the speed discrepancy of two roller groups is compensated through differential attachment by auxiliary motor.
The straightener that the aligning 800mm of take does money is example, and the wide straightener of other plates has good similarity.The feeding speed of this straightener is 300m/min, and roll forming is shorter than ls to the response speed of plate shape, and during stretching band, tension value is Materials Yield Limit 1/10～1/3.By non-line
Property software MARC according to actual condition, set up aligning FEM model, the aligning process of more common limit wave, middle wave and wooden dipper song in simulation band, analyzes tension force and distributes along strip width direction.Now according to plate shape, the roll surface shape of this smoothing roll, is concave surface roll forming during unrestrained flatness defect in rectification, and correcting limit wave flatness defect is convex surface roll forming.While rectifying the bent flatness defect of swindleness wooden dipper, be the protruding roll forming in limit. from rolling therory, under the good condition of band blank plate shape, the generation of band wave or wooden dipper song, the degree of irregularity of amount extending longitudinally while depending mainly on strip-rolling.For example, middle wave is that band middle part amount extending longitudinally is larger during due to rolling, and the amount extending longitudinally on both sides is little.Limit wave is that middle part amount extending longitudinally is less because both sides amount extending longitudinally is larger.Wooden dipper song is because amount extending longitudinally is on one side larger, the less 16I of amount extending longitudinally of another side.Therefore in conditioning strip material, unrestrained defect needs the amount extending longitudinally on band both sides to be greater than the amount extending longitudinally at middle part, reduces the difference of middle part and limit portion amount extending longitudinally, namely needs the longitudinal tension force stress of band to be reduced gradually to middle part by limit portion.Correction belt edge wave defect needs the amount extending longitudinally at band middle part to be greater than the amount extending longitudinally of both sides portion, reduces the difference of middle part and limit portion amount extending longitudinally, namely needs the longitudinal tension force stress of band to be increased gradually to middle part by limit portion.
Claims (3)
1. a pure tension flattening machine, comprise entrance jockey pulley group (1), described entrance jockey pulley group (1) is connected with outlet jockey pulley group (2) by tangent variable convex smoothing roll (3), it is characterized in that described entrance jockey pulley group (1) is different from the roller footpath of outlet jockey pulley group (2), and the roller footpath of entrance jockey pulley group (1) increases gradually, the roller footpath of outlet jockey pulley group (2) dwindles gradually.
2. pure tension flattening machine as claimed in claim 1, it is characterized in that described variable convex smoothing roll (3) comprises hydraulic pump, proportional dump valve, input, efferent duct, sealing ring, interior roller, overcoat, wherein sealing ring is divided into a plurality of independently chambers along plate width direction by smoothing roll, and described variable convex smoothing roll (3) quantity is one.
3. pure tension flattening machine as claimed in claim 1, is characterized in that described entrance jockey pulley group (1) and outlet jockey pulley group (2) are driven by main motor, and the speed discrepancy of two roller groups is compensated through differential attachment by auxiliary motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410386033.4A CN104190753A (en) | 2014-08-07 | 2014-08-07 | Pure tension straightener |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410386033.4A CN104190753A (en) | 2014-08-07 | 2014-08-07 | Pure tension straightener |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104190753A true CN104190753A (en) | 2014-12-10 |
Family
ID=52076200
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410386033.4A Pending CN104190753A (en) | 2014-08-07 | 2014-08-07 | Pure tension straightener |
Country Status (1)
| Country | Link |
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| CN (1) | CN104190753A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105344750A (en) * | 2015-12-10 | 2016-02-24 | 北京科技大学 | Roll system structure of straightening rolls with different roll diameters of aluminum-steel composite board and roll diameter determining method for roll system structure |
| CN109375587A (en) * | 2018-12-04 | 2019-02-22 | 东北轻合金有限责任公司 | The control system and control method of stretch bending-straightening machine |
| CN110877064A (en) * | 2019-12-25 | 2020-03-13 | 中冶赛迪工程技术股份有限公司 | Thermal straightening machine |
| CN113751535A (en) * | 2021-07-30 | 2021-12-07 | 泰安华鲁锻压机床有限公司 | Four-wheel drive confluence straightener driving device |
-
2014
- 2014-08-07 CN CN201410386033.4A patent/CN104190753A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105344750A (en) * | 2015-12-10 | 2016-02-24 | 北京科技大学 | Roll system structure of straightening rolls with different roll diameters of aluminum-steel composite board and roll diameter determining method for roll system structure |
| CN109375587A (en) * | 2018-12-04 | 2019-02-22 | 东北轻合金有限责任公司 | The control system and control method of stretch bending-straightening machine |
| CN110877064A (en) * | 2019-12-25 | 2020-03-13 | 中冶赛迪工程技术股份有限公司 | Thermal straightening machine |
| CN110877064B (en) * | 2019-12-25 | 2024-06-07 | 中冶赛迪工程技术股份有限公司 | Thermal straightening machine |
| CN113751535A (en) * | 2021-07-30 | 2021-12-07 | 泰安华鲁锻压机床有限公司 | Four-wheel drive confluence straightener driving device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20141210 |