CN214639113U - Rolling working roll for non-oriented silicon steel - Google Patents
Rolling working roll for non-oriented silicon steel Download PDFInfo
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- CN214639113U CN214639113U CN202120958201.8U CN202120958201U CN214639113U CN 214639113 U CN214639113 U CN 214639113U CN 202120958201 U CN202120958201 U CN 202120958201U CN 214639113 U CN214639113 U CN 214639113U
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Abstract
The utility model provides a rolling work roll for non-oriented silicon steel, belongs to rolling mill work roll technical field, this rolling work roll, including toper curved surface section and straight section, toper curved surface section includes segmental arc I and segmental arc II, the cambered surface indent of segmental arc I, the cambered surface evagination of segmental arc II, segmental arc II and straight section and belted steel contact, the outside extension of one end level of segmental arc I, the other end of segmental arc I is tangent with the one end of segmental arc II, the other end of segmental arc II is tangent with straight section, the beneficial effects of the utility model are that, this work roll overall structure is simple, and rolling efficiency is high, has reduced the roller and has consumed, has eliminated the sharp elasticity of work roll limit portion and has flattened, elastic deformation, has reduced the risk of rolling disconnected area, can effectively control the limit of belted edge portion and fall and the shape.
Description
Technical Field
The utility model relates to a rolling mill working roll technical field especially relates to a non-oriented silicon steel is with rolling working roll.
Background
The non-oriented silicon steel is widely applied to the stator and the rotor of the motor and has extremely high requirements on the tolerance precision of the transverse thickness. In the prior art, a six-roller five-rack UCM rolling mill is mainly adopted for cold rolling of non-oriented silicon steel, a flat roller, a double-cone roller or a two-section single-cone roller is mainly adopted for a working roller of the rolling mill, but because the cold-rolled silicon steel is seriously hardened and has large deformation resistance, serious elastic flattening can be generated between roller systems and between the working roller and a steel strip, the reduction of the rolled edge is large due to the flat roller rolling, and the problem of large reduction can be solved by adopting the double-cone roller, but the grinding efficiency of the roller is reduced.
The existing one-section single-cone roller can solve the problems of large steel strip edge reduction and low roller grinding efficiency, but the end part of the whole cone roller is of a cone structure with a larger slope, the edge part of the roller is not contacted with the steel strip in a certain range, and the roller shape of the end part of the roller can be changed after long-time rolling, so that the part which is not worn on the roller needs to be highly ground after each time of machine unloading to correct the roller shape of the roller, but the grinding amount of the roller is increased, and the roller consumption is increased; moreover, the conventional two-section single tapered roll may cause the hot rolled steel strip to bulge, increase the hot rolling crown, possibly exceed the correction capability range of the working roll, and possibly cause the risks of strip breakage and the like during rolling.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a non-oriented silicon steel is with rolling work roll, simple structure can reduce the roller and consume, can eliminate rapid elasticity of work roll limit portion and flatten, elastic deformation, the limit that can the effective control steel band limit portion falls and the shape.
In order to achieve the above object, the present invention provides a technical solution for solving the technical problem: the rolling working roll for the non-oriented silicon steel comprises a conical curved surface section and a flat straight section, wherein the conical curved surface section comprises an arc section I and an arc section II, the arc surface of the arc section I is concave inwards, the arc surface of the arc section II is convex outwards, the arc section II is in contact with strip steel, one end of the arc section I extends outwards horizontally, the other end of the arc section I is tangent to one end of the arc section II, and the other end of the arc section II is tangent to the flat straight section.
Further, the slope of the arc-shaped section I is larger than that of the arc-shaped section II.
Further, the length of toper curved surface section sets up to 270 ~ 300mm, the length of segmental arc I sets up to 100 ~ 120 mm.
Further, the working rolls are arranged on a first rack and a second rack of a six-roll five-rack rolling mill, the conical height of the conical curved surface section is 0.35-0.45 mm, the conical height of the arc section I is 0.15-0.2 mm, and the arc surface radius of the arc section I and the arc section II is set to be 60-75 m.
Further, the working roll is arranged on a third rack of a six-roll five-rack rolling mill, the conical height of the conical curved surface section is 0.15-0.25 mm, the conical height of the arc section I is 0.05-0.1 mm, and the arc surface radius of the arc section I and the arc section II is 90-100 m.
The utility model has the advantages that:
1. the utility model discloses a working roll of syllogic roll shape, including tangent segmental arc I and segmental arc II, segmental arc II and straight section and belted steel contact, after long-time rolling, segmental arc II evaginations provide certain wearing and tearing volume, and because the cambered surface indent of segmental arc I, the grinding volume of reducible tip has reduced the roller and has consumed.
2. The arc section II protrudes outwards, so that the edge drop can be effectively improved, the bulging of a steel belt can be effectively avoided, the concave surface of the arc section I is concave, the roller consumption can be reduced, and the breakage of the steel belt from deviation can be effectively avoided; moreover, the arc-shaped section I, the arc-shaped section II and the flat section are tangent and smoothly transited, so that the stress concentration problem at the joint of the end parts of the working roll is reduced, and the roll consumption is further reduced; and the slope from the arc section II to the arc section I is gradually increased, so that the problem of stress concentration at the edge of the strip steel is reduced, the edge shape of the strip steel can be effectively controlled, and the risk of strip breakage is reduced.
3. The utility model discloses a with the awl height that the toper curved surface section of working roll was higher than the toper curved surface section of the working roll of third frame in first frame and the second frame on the five-roller rolling mill, the cambered surface radius of segmental arc I and segmental arc II of working roll is less than the cambered surface radius of segmental arc I and segmental arc II in the third frame in first frame and the second frame, make the whole slope of the tip of working roll in first frame and the second frame big, can at first get into the limit portion of rolling belted steel in first frame and the second frame and improve the limit in the short time and fall, improve gradually in getting into the third frame again and in the frame at the back, rolling efficiency has effectively been promoted, can control belted steel limit portion attenuate betterly.
In conclusion, the working roll has the advantages of simple integral structure and high rolling efficiency, reduces the roll consumption, eliminates the sharp elastic flattening and elastic deformation of the edge part of the working roll, reduces the risk of rolling and strip breakage, and can effectively control the edge drop and the shape of the edge part of a steel strip.
Drawings
The contents of the various figures of the specification and the labels in the figures are briefly described as follows:
fig. 1 is a schematic structural view of the present invention;
the labels in the above figures are: 1. the conical curved surface section 11, the arc section I, 12, the arc section II, 2, the straight section.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments, and the following embodiments are used for illustrating the present invention, but do not limit the scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The utility model discloses specific embodiment does: as shown in figure 1, the rolling working roll for the non-oriented silicon steel comprises a conical curved surface section 1 and a flat straight section 2, wherein the conical curved surface section 1 comprises a tangent arc section I11 and a tangent arc section II 12, the arc surface of the arc section I11 is concave, the arc surface of the arc section II 12 is convex, the arc section II 12 and the flat straight section 2 are in contact with strip steel, after long-time rolling, the arc section II 12 is convex to provide a certain abrasion loss, and the arc surface of the arc section I11 is concave, so that the grinding loss of the end part can be reduced, and the roll consumption is reduced.
The arc section II 12 protrudes outwards, so that the edge drop can be effectively improved, the bulging of the steel belt can be effectively avoided, the arc surface of the arc section I11 is concave inwards, the roller consumption can be reduced, and the deviation and the belt breakage of the steel belt can be effectively avoided; the slope of the arc section I11 is greater than that of the arc section II 12, the slope from the arc section II 12 to the arc section I11 is gradually increased, the problem of stress concentration of the edge of the strip steel is solved, the edge shape of the strip steel can be effectively controlled, and meanwhile, the risk of strip breakage is reduced; the horizontal outside extension of one end of segmental arc I11 forms the changeover portion, has guaranteed the awl height of settlement, the problem of the tip perk that makes progress of work roll has been avoided, the other end of segmental arc I11 is tangent with the one end of segmental arc II 12, the other end of segmental arc II 12 is tangent with straight section 2, segmental arc I11, segmental arc II 12 and straight section 2 are tangent and smooth transition between two liang, the stress concentration problem of work roll tip junction has been reduced, the roller has further been reduced and has been consumed.
Specifically, the length of the conical curved surface section 1 is set to be 270-300 mm, the length of the arc section I11 is set to be 100-120 mm, the length of the roller body of the existing working roller is 1550mm, the width range of the produced non-oriented silicon steel is 1200-1255 mm, theoretical calculation is carried out by using the maximum width 1255, the edge 147.5mm does not contact with strip steel, but elastic flattening is considered, the edge of the roller cannot contact with the strip steel within the range of 100-120 mm, therefore, the concave arc section I11 is arranged at the distance, the grinding amount of the end part can be reduced, and roller consumption is reduced.
Example 1: the working roll is arranged on a first rack and a second rack of a six-roll five-rack rolling mill, the cone height of a conical curved surface section 1 is 0.35-0.45 mm, the cone height of an arc section I11 is 0.15-0.2 mm, the arc radii of the arc section I11 and the arc section II 12 are set to be 60-75 mm, the arc radii of the arc section I11 and the arc section II 12 are equal or the radius of the arc section I11 is larger than the radius of the arc section II 12, compared with the roll shape of the existing working roll, the whole cone height is reduced by 0.15-0.35 mm, the grinding amount of the conical curved surface section 1 is reduced, the roll consumption is reduced, and off tracking broken belts are controlled.
Example 2: the working roll is arranged on a third rack of a six-roll five-rack rolling mill, the cone height of a conical curved surface section 1 is 0.15-0.25 mm, the cone height of an arc section I11 is 0.05-0.1 mm, the arc radii of the arc sections I11 and II 12 are set to be 90-100 m, the arc radii of the arc sections I11 and II 12 are equal or the radius of the arc section I11 is larger than the radius of the arc section II 12, compared with the roll shape of the existing working roll, the whole cone height is reduced by 0.15-0.25 mm, the grinding amount of the conical curved surface section 1 is reduced, the roll consumption is reduced, and off tracking and strip breakage are controlled.
The utility model discloses a with the cone height that the toper curved surface section 1 of working roll was higher than the toper curved surface section 1 of the working roll of third frame in first frame and the second frame on the five-roller rolling mill, the cambered surface radius of segmental arc I and segmental arc II of working roll is less than the cambered surface radius of segmental arc I and segmental arc II in the third frame in first frame and the second frame, make the whole slope of the tip of working roll in first frame and the second frame big, can at first get into the limit portion of rolling belted steel in first frame and the second frame and improve the limit in the short time and fall, improve in getting into the third frame again and in the frame at the back gradually, rolling efficiency has effectively been promoted, can control belted steel limit portion attenuate betterly.
The working roll adopting the structure produces the following effects after rolling the strip steel: the qualification rate of less than or equal to 10 microns can reach more than 99 percent while the qualification rate of less than or equal to 5 microns can reach more than 70 percent, thereby meeting the requirement of high-end users on the same-plate difference; the rolling efficiency is improved by 50 percent, and the roller consumption is reduced by 20 percent.
In conclusion, the working roll has the advantages of simple integral structure and high rolling efficiency, reduces the roll consumption, eliminates the sharp elastic flattening and elastic deformation of the edge part of the working roll, reduces the risk of rolling and strip breakage, and can effectively control the edge drop and the shape of the edge part of a steel strip.
The foregoing is merely illustrative of some of the principles of the present invention and the description is not intended to limit the invention to the specific constructions and applications shown, so that all modifications and equivalents that may be utilized are within the scope of the invention.
Claims (5)
1. The utility model provides a rolling work roll for non-oriented silicon steel, its characterized in that, includes toper curved surface section (1) and straight section (2), toper curved surface section (1) includes segmental arc I (11) and segmental arc II (12), the cambered surface indent of segmental arc I (11), the cambered surface evagination of segmental arc II (12), segmental arc II (12) and straight section (2) and belted steel contact, the one end level of segmental arc I (11) extends outward, the other end of segmental arc I (11) with the one end of segmental arc II (12) is tangent, the other end of segmental arc II (12) with straight section (2) are tangent.
2. The rolling work roll for nonoriented silicon steel according to claim 1, characterized in that: the slope of the arc-shaped section I (11) is larger than that of the arc-shaped section II (12).
3. The rolling work roll for nonoriented silicon steel according to claim 1, characterized in that: the length of toper curved surface section (1) sets up to 270 ~ 300mm, the length of arc section I (11) sets up to 100 ~ 120 mm.
4. The rolling work roll for nonoriented silicon steel according to claim 3, characterized in that: the working roll sets up on first frame and the second frame on six-roller five-frame rolling mill, the awl height of toper curved surface section (1) is 0.35 ~ 0.45mm, the awl height of segmental arc I (11) is 0.15 ~ 0.2mm, the cambered surface radius of segmental arc I (11) and segmental arc II (12) sets up to 60 ~ 75 m.
5. The rolling work roll for nonoriented silicon steel according to claim 3, characterized in that: the working roll sets up in the third frame on six-roller five-stand rolling mill, the awl height of toper curved surface section (1) is 0.15 ~ 0.25mm, the awl height of segmental arc I (11) is 0.05 ~ 0.1mm, the cambered surface radius of segmental arc I (11) and segmental arc II (12) sets up to 90 ~ 100 m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120958201.8U CN214639113U (en) | 2021-05-07 | 2021-05-07 | Rolling working roll for non-oriented silicon steel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120958201.8U CN214639113U (en) | 2021-05-07 | 2021-05-07 | Rolling working roll for non-oriented silicon steel |
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| Publication Number | Publication Date |
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| CN214639113U true CN214639113U (en) | 2021-11-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120958201.8U Active CN214639113U (en) | 2021-05-07 | 2021-05-07 | Rolling working roll for non-oriented silicon steel |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114472530A (en) * | 2022-03-23 | 2022-05-13 | 张家港扬子江冷轧板有限公司 | Cold rolling mill working roll, roll shape forming method and UCMW cold rolling mill |
| CN114653755A (en) * | 2022-03-23 | 2022-06-24 | 张家港扬子江冷轧板有限公司 | Cold rolling mill working roll, roll profile forming method and UCM cold rolling mill |
-
2021
- 2021-05-07 CN CN202120958201.8U patent/CN214639113U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114472530A (en) * | 2022-03-23 | 2022-05-13 | 张家港扬子江冷轧板有限公司 | Cold rolling mill working roll, roll shape forming method and UCMW cold rolling mill |
| CN114653755A (en) * | 2022-03-23 | 2022-06-24 | 张家港扬子江冷轧板有限公司 | Cold rolling mill working roll, roll profile forming method and UCM cold rolling mill |
| CN114653755B (en) * | 2022-03-23 | 2024-03-08 | 张家港扬子江冷轧板有限公司 | Cold rolling mill working roll, roll forming method and UCM cold rolling mill |
| CN114472530B (en) * | 2022-03-23 | 2024-03-08 | 张家港扬子江冷轧板有限公司 | Cold rolling mill working roll, roll forming method and UCMW cold rolling mill |
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