CN105081011A - Improved two-roller temper mill and using method - Google Patents
Improved two-roller temper mill and using method Download PDFInfo
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- CN105081011A CN105081011A CN201510585383.8A CN201510585383A CN105081011A CN 105081011 A CN105081011 A CN 105081011A CN 201510585383 A CN201510585383 A CN 201510585383A CN 105081011 A CN105081011 A CN 105081011A
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- working roll
- roller
- crease
- crease rollers
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- 238000000034 method Methods 0.000 title claims abstract description 6
- 238000005260 corrosion Methods 0.000 claims description 30
- 230000007797 corrosion Effects 0.000 claims description 30
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 abstract description 8
- 239000010959 steel Substances 0.000 abstract description 8
- 238000003754 machining Methods 0.000 abstract description 2
- 230000008859 change Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000003825 pressing Methods 0.000 description 4
- 239000002699 waste material Substances 0.000 description 3
- 230000037303 wrinkles Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000009711 regulatory function Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
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Abstract
The invention discloses an improved two-roller temper mill and a using method, and belongs to the technical field of machining. The improved two-roller temper mill comprises a mill body, a lower working roller, a lower left crease-resisting roller, moving components, an upper left crease-resisting roller, a power component, an upper working roller, an upper right crease-resisting roller and a lower right crease-resisting roller. The power component is arranged on the mill body and provided with the upper working roller and the lower working roller. The upper left crease-resisting roller and the upper right crease-resisting roller are installed on the two sides of the upper working roller, the lower left crease-resisting roller and the lower right crease-resisting roller are installed on the two sides of the lower working roller, and the moving components are arranged on the upper left crease-resisting roller, the lower left crease-resisting roller, the upper right crease-resisting roller and the lower right crease-resisting roller. According to the improved two-roller temper mill, the upper crease-resisting rollers and the lower crease-resisting rollers are used alternately, and thus the upper working roller and the lower working roller alternately generate wrap angles with strip steel; and fatigue stripes can appear on the upper working roller and the lower working roller at the same time, and thus the purposes of reducing the times of replacing the working rollers, improving the productivity, lowering cost and preventing creases of the strip steel are achieved.
Description
Technical field
The present invention relates to Machining Technology field, be specially a kind of modified two-high dressing mill.
Background technology
Current two-high dressing mill anti-crease rollers group is in each side installation one of bottom working roll, during voucher, anti-crease rollers group rises, band steel and top working roll is made to produce cornerite, reach and prevent from being with steel to occur the object of wrinkle, and the working life that this kind of design result in top working roll is far smaller than the working life of bottom working roll, after having changed top working roll, after work a period of time, bottom working roll is changed in continuation, wastes time and manpower and materials.
The time of each roll change of two-high dressing mill approximately needs the time of 2 hours, and the grinding roller time of every pair roller is 10 hours, and be equivalent to waste a large amount of time in roll change, waste of time result in the reduction of industrial production efficiency.
Particularly smooth 400 top working rolls when being Thin Stainless Steel specification, because band steel and its cornerite make top working roll occur tired line very soon, affect strip surface quality, just need roll change after there is tired line in process of production.
Summary of the invention
Be directed to the problem that two-high dressing mill roll changing time is long, wrinkle appear in band steel, the invention provides a kind of modified two-high dressing mill, the generation of the problems referred to above can be avoided.
The present invention solves the technical scheme that its technical problem takes:
A kind of modified two-high dressing mill, comprises fuselage, bottom working roll, top working roll and anti-crease rollers group, fuselage is provided with up and down to the top working roll ground and bottom working roll, it is characterized in that:
Described top working roll both sides are separately installed with the first anti-crease rollers group towards bottom working roll, and described bottom working roll both sides are separately installed with the second anti-crease rollers group towards top working roll.
Further, first anti-crease rollers group is identical with the second anti-crease rollers group structure, and comprise hydraulic motor, sleeve, hydraulic cylinder, slide block and roller, hydraulic motor is wherein fixed in frame, by gear-rack drive and the position of regulating sleeve, described sleeve is in heeling condition, described sleeve has the ability of carrying out sliding within the scope at gradient angle, described hydraulic cylinder is arranged in sleeve, the piston rod of hydraulic cylinder installs a slide block carrying out being slidably matched with sleeve, in the outer end of slide block, roller is installed.
Further, described sleeve angle of inclination is with respect to the horizontal plane 35 degree.
Using method, is characterized in that,
When this modified two-high dressing mill work time, corrosion resistant plate is divided into pressure condition and pressed status, selects one and carries out work;
When first group of anti-crease rollers group is started working, now lower-left anti-crease rollers group and bottom right anti-crease rollers group are stretched out, and now corrosion resistant plate is in pressure condition, and corrosion resistant plate active force is pressed on top working roll, and corrosion resistant plate and top working roll produce cornerite;
After work a period of time, when top working roll produces tired line, first group of anti-crease rollers group quits work, described lower-left anti-crease rollers group and bottom right anti-crease rollers group are shunk, second group of anti-crease rollers group is started working simultaneously, and described upper left anti-crease rollers group and upper right anti-crease rollers group are stretched out, and now corrosion resistant plate is in pressed status, described corrosion resistant plate active force is pressed on bottom working roll, produces cornerite between corrosion resistant plate and bottom working roll;
When there is tired line in bottom working roll, integral replacing top working roll and bottom working roll.
The invention has the beneficial effects as follows:
The invention provides a kind of modified two-high dressing mill, this kind of modified two-high dressing mill can reduce by the roll change number of times of 1 times by increase by two groups of anti-crease rollers groups, reduce by the grinding roller number of times of 1 times, reduce by the roller consumption of 1 times, upper left anti-crease rollers group and upper right anti-crease rollers group and bottom working roll with the use of, lower-left anti-crease rollers group and bottom right anti-crease rollers group then with top working roll with the use of, as two groups of smooth combinations, be used alternatingly upper and lower anti-crease rollers group, upper working rolls and lower working rolls is made alternately to produce cornerite with band steel, upper working rolls and lower working rolls can be realized and occur tired line at one time, the number of times reaching minimizing replacing working roll increases productivity to reduce costs and reach and prevents from being with steel to occur the object of wrinkle.
And moving-member is set to the one in the combination of the engaging of gear and gear bar, ball-screw and slide block, stretching out and contraction of anti-crease rollers group can not only be realized, the amount of feeding can also be ensured in precision, in order to avoid the too much movement carrying out anti-crease rollers group, be beneficial to the smooth of corrosion resistant plate.
Accompanying drawing explanation
Fig. 1 is complete section schematic diagram of the present invention.
Fig. 2 is the partial schematic diagram of anti-crease rollers group.
Fig. 3 is the schematic diagram of duty one of the present invention.
Fig. 4 is the schematic diagram of duty two of the present invention.
In figure, 1 fuselage, 2 bottom working rolls, 3 lower-left anti-crease rollers groups, 41 hydraulic motors, 42 sleeves, 43 hydraulic cylinders, 44 slide blocks, 45 rollers, 5 corrosion resistant plates, 51 corrosion resistant plates when pressing down, corrosion resistant plate when pressing on 52,6 upper left anti-crease rollers groups, 8 top working rolls, 9 upper right anti-crease rollers groups, 10 bottom right anti-crease rollers groups.
Detailed description of the invention
As shown in Figures 1 to 4, a kind of modified two-high dressing mill, comprise fuselage 1, bottom working roll 2, lower-left anti-crease rollers group 3, upper left anti-crease rollers group 6, power part, top working roll 8, upper right anti-crease rollers group 9 and bottom right anti-crease rollers group 10, this kind of modified two-high dressing mill is provided with two groups of anti-crease rollers groups, anti-crease rollers group and working roll are cross-reference, namely first group is lower-left anti-crease rollers group 3 and bottom right anti-crease rollers group 10, first group of anti-crease rollers assembly working roll 8 that closes uses, as shown in Figure 3, a upper cornerite is formed; And second group to be upper left anti-crease rollers group 6 closes bottom working roll 2 with 9, the second group of anti-crease rollers assembly of upper right anti-crease rollers group uses, as shown in Figure 4, form a lower cornerite, effectively can carry out the smooth of corrosion resistant plate like this, replacing while being convenient to upper working rolls and lower working rolls.
Wherein, fuselage is provided with power part, wherein power part generally adopts hydraulic motor, also can adopt heavy-duty motor.Power part is provided with top working roll 8 and bottom working roll 2, common, drive upper and lower working roll to rotate by power part.
The structure of four above-mentioned anti-crease rollers groups is identical, mounting means is close, each anti-crease rollers group has the ability of self-movement, and top working roll 8 both sides are separately installed with upper left anti-crease rollers group 6 and upper right anti-crease rollers group 9, and bottom working roll 2 both sides are separately installed with lower-left anti-crease rollers group 3 and bottom right anti-crease rollers group 10.Particularly, each anti-crease rollers group is provided with independently drive unit, makes anti-crease rollers group have fine setting and flexible two-stage regulatory function.
Each anti-crease rollers group parts comprise hydraulic motor 41, sleeve 42, hydraulic cylinder 43, slide block 44 and roller 45, hydraulic motor 41 is wherein fixed in frame, by gear-rack drive and the position of regulating sleeve, sleeve is made to be in heeling condition, such as 35 degree of inclinations angle, sleeve 42 has the ability of carrying out sliding within the scope at inclination 35 degree of angles.One hydraulic cylinder 43 is arranged in sleeve, is articulated and connected between the two, and the piston rod of hydraulic cylinder installs a slide block, and slide block 44 is cylindric, is slidably matched with sleeve, installs one in the outer end of slide block, and roller 45 is across on the position of working roll.
By hydraulic motor 41 and hydraulic cylinder movement promote stretching out and compression of each anti-crease rollers, and drive unit can be set to the one in the combination of engaging of gear and gear bar or ball-screw and slide block.
When this modified two-high dressing mill work time, corrosion resistant plate 5 is divided into pressure condition and pressed status, selects one and carries out work, the corrosion resistant plate 52 namely during upper pressure and the corrosion resistant plate 51 when pressing down.
When first group of anti-crease rollers group is started working, namely now lower-left anti-crease rollers group 3 and bottom right anti-crease rollers group 10 are stretched out, now corrosion resistant plate 5 is in pressure condition, corrosion resistant plate 52 when corrosion resistant plate 5 is now upper pressure, active force is pressed on top working roll 8, and corrosion resistant plate 5 and top working roll 8 produce cornerite.
After work a period of time, top working roll 8 can produce tired line, first group of anti-crease rollers group quits work, namely now lower-left anti-crease rollers group 3 and bottom right anti-crease rollers group 10 are shunk, second group of anti-crease rollers group is started working simultaneously, namely now upper left anti-crease rollers group 6 and upper right anti-crease rollers group 9 are stretched out, now corrosion resistant plate is in pressed status, corrosion resistant plate 51 when corrosion resistant plate 5 is now for pressing down, active force is pressed on bottom working roll 2, cornerite is produced between corrosion resistant plate 5 and bottom working roll 2, then integral replacing top working roll 8 and bottom working roll 2 when tired line appears in bottom working roll 2, decrease and shut down this number of roll change, the object that reaching increases productivity simultaneously reduces costs.
Embodiment recited above is only be described the preferred embodiment of the present invention; not scope of the present invention is limited; under not departing from the present invention and designing the prerequisite of spirit; relevant technical staff in the field, to various distortion of the present invention and improvement, all should expand in protection domain as determined in claims of the present invention.
Claims (3)
1. modified two-high dressing mill, comprises fuselage, bottom working roll, top working roll and anti-crease rollers group, fuselage is provided with up and down to the top working roll ground and bottom working roll, it is characterized in that:
Described top working roll both sides are separately installed with the first anti-crease rollers group towards bottom working roll, and described bottom working roll both sides are separately installed with the second anti-crease rollers group towards top working roll;
First anti-crease rollers group is identical with the second anti-crease rollers group structure, and comprise hydraulic motor, sleeve, hydraulic cylinder, slide block and roller, hydraulic motor is wherein fixed in frame, by gear-rack drive and the position of regulating sleeve, described sleeve is in heeling condition, described sleeve has the ability of carrying out sliding within the scope at gradient angle, described hydraulic cylinder is arranged in sleeve, the piston rod of hydraulic cylinder installs a slide block carrying out being slidably matched with sleeve, in the outer end of slide block, roller is installed.
2. modified two-high dressing mill according to claim 1, is characterized in that, described sleeve angle of inclination is with respect to the horizontal plane 35 degree.
3. the using method of modified two-high dressing mill according to claim 1, is characterized in that,
When this modified two-high dressing mill work time, corrosion resistant plate (5) is divided into pressure condition and pressed status, selects one and carries out work;
When first group of anti-crease rollers group is started working, now lower-left anti-crease rollers group (3) and bottom right anti-crease rollers group (10) are stretched out, now corrosion resistant plate (5) is in pressure condition, corrosion resistant plate active force is pressed on top working roll (8), and corrosion resistant plate (5) and top working roll (8) produce cornerite;
After work a period of time, when top working roll (8) produces tired line, first group of anti-crease rollers group quits work, described lower-left anti-crease rollers group (3) and bottom right anti-crease rollers group (10) are shunk, second group of anti-crease rollers group is started working simultaneously, described upper left anti-crease rollers group (6) and upper right anti-crease rollers group (9) are stretched out, now corrosion resistant plate is in pressed status, described corrosion resistant plate active force is pressed on bottom working roll (2), produces cornerite between corrosion resistant plate (5) and bottom working roll (2);
When there is tired line in bottom working roll (2), integral replacing top working roll (8) and bottom working roll (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510585383.8A CN105081011B (en) | 2015-09-15 | 2015-09-15 | Improved two-roller temper mill and using method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510585383.8A CN105081011B (en) | 2015-09-15 | 2015-09-15 | Improved two-roller temper mill and using method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105081011A true CN105081011A (en) | 2015-11-25 |
| CN105081011B CN105081011B (en) | 2017-03-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510585383.8A Expired - Fee Related CN105081011B (en) | 2015-09-15 | 2015-09-15 | Improved two-roller temper mill and using method |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63268502A (en) * | 1987-04-27 | 1988-11-07 | Nisshin Steel Co Ltd | Manufacture of extra thin metal strip |
| CN201164868Y (en) * | 2007-12-29 | 2008-12-17 | 中冶南方工程技术有限公司 | Anti-jumping device for hot rolling tempering integral unit recoiling and dividing operation |
| CN201676873U (en) * | 2010-04-30 | 2010-12-22 | 河北宝生工程科技有限公司 | Planishing and rolling mill |
| CN203140481U (en) * | 2013-03-26 | 2013-08-21 | 江苏甬金金属科技有限公司 | Anti-wrinkle device of stainless strip temper mill |
| CN205042918U (en) * | 2015-09-15 | 2016-02-24 | 山东华东金属新材料有限公司 | Two roller levelling machines of improved generation |
-
2015
- 2015-09-15 CN CN201510585383.8A patent/CN105081011B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63268502A (en) * | 1987-04-27 | 1988-11-07 | Nisshin Steel Co Ltd | Manufacture of extra thin metal strip |
| CN201164868Y (en) * | 2007-12-29 | 2008-12-17 | 中冶南方工程技术有限公司 | Anti-jumping device for hot rolling tempering integral unit recoiling and dividing operation |
| CN201676873U (en) * | 2010-04-30 | 2010-12-22 | 河北宝生工程科技有限公司 | Planishing and rolling mill |
| CN203140481U (en) * | 2013-03-26 | 2013-08-21 | 江苏甬金金属科技有限公司 | Anti-wrinkle device of stainless strip temper mill |
| CN205042918U (en) * | 2015-09-15 | 2016-02-24 | 山东华东金属新材料有限公司 | Two roller levelling machines of improved generation |
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| Publication number | Publication date |
|---|---|
| CN105081011B (en) | 2017-03-22 |
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