KR20120032853A - Apparatus for preventing upward movement of material - Google Patents
Apparatus for preventing upward movement of material Download PDFInfo
- Publication number
- KR20120032853A KR20120032853A KR1020100094395A KR20100094395A KR20120032853A KR 20120032853 A KR20120032853 A KR 20120032853A KR 1020100094395 A KR1020100094395 A KR 1020100094395A KR 20100094395 A KR20100094395 A KR 20100094395A KR 20120032853 A KR20120032853 A KR 20120032853A
- Authority
- KR
- South Korea
- Prior art keywords
- unit
- frame
- electromagnet
- injection
- roller
- Prior art date
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B33/00—Safety devices not otherwise provided for; Breaker blocks; Devices for freeing jammed rolls for handling cobbles; Overload safety devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B37/00—Control devices or methods specially adapted for metal-rolling mills or the work produced thereby
- B21B37/68—Camber or steering control for strip, sheets or plates, e.g. preventing meandering
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B37/00—Control devices or methods specially adapted for metal-rolling mills or the work produced thereby
- B21B37/72—Rear end control; Front end control
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B38/00—Methods or devices for measuring, detecting or monitoring specially adapted for metal-rolling mills, e.g. position detection, inspection of the product
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B2273/00—Path parameters
- B21B2273/12—End of product
- B21B2273/14—Front end or leading end
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Crushing And Grinding (AREA)
Abstract
Description
The present invention relates to a material upward prevention device, and more particularly to a material upward prevention device that can improve the quality of the product by preventing the front end of the material sent out from the finishing mill.
Typical steel production consists of a steelmaking process for producing molten iron, a steelmaking process for removing impurities from molten iron, a continuous casting process in which iron in a liquid state becomes a solid, and a rolling process in which iron is made of steel or wire.
The rolling process refers to a process of increasing or thinning intermediate materials such as slabs and blooms produced in a continuous casting process by passing through a plurality of rotating rollers by applying continuous force, and is divided into hot rolling and cold rolling.
The above technical configuration is a background art for helping understanding of the present invention, and does not mean a conventional technology well known in the art.
It is an object of the present invention to provide a material upward prevention device that can improve the quality of the product by preventing the front end of the material sent out from the finishing mill.
According to an aspect of the present invention, there is provided an apparatus for preventing up-materials, comprising: a first frame part positioned on a side of a plurality of feed rollers for transferring a material sent out from a finishing mill; A first injection part provided in the first frame part and injecting a fluid toward the material; A first moving part provided in the first frame part and adjusting the distance between the first injection part and the material by moving the first frame part left and right; An electromagnet unit positioned between the feed rollers and generating an electromagnetic force to correct upward of the material; And a control unit for controlling the operation of the first injection unit, the first moving unit and the electromagnet unit.
Preferably, the sensor further comprises a detection sensor disposed at an exit side of the finishing mill to sense that the material is sent from the finishing mill, and the detection sensor transmits a detection signal to the controller when transmission of the material is detected. And, the control unit controls the operation of the first injection unit and the electromagnet unit based on the detection signal.
More preferably, the second frame portion positioned to face the first frame portion with the feed roller therebetween; A second injection part provided in the second frame part and injecting a fluid toward the material; And a second moving part provided on the second frame part to adjust the distance between the second injection part and the material by moving the second frame part left and right, wherein the control part comprises the second injection part and the first injection part. 2 Control the operation of moving parts.
More preferably, when the transmission of the material is detected, the controller controls the operation of the second injection unit based on the detection signal transmitted from the detection sensor.
More preferably, the first protective roller rotatably installed in the first frame portion; And a second protective roller rotatably installed in the second frame portion, wherein one end of an outer circumferential surface of the first protection roller is disposed closer to the material than one end of the first injection part, and the second One end of the outer circumferential surface of the protective roller is disposed closer to the material than the one end of the second injection portion.
More preferably, the first moving part comprises: a first driving part provided in the first frame part; A first rotary gear part connected to the first driving part and rotated by driving of the first driving part; And a first rack gear part engaged with the first rotary gear part and guiding the left and right movement of the first rotary gear part.
More preferably, the second moving unit comprises: a second driving unit provided in the second frame unit; A second rotary gear part connected to the second driving part and rotated by driving of the second driving part; And a second rack gear part engaged with the second rotary gear part and guiding the left and right movement of the second rotary gear part.
More preferably, a plurality of electromagnet units are provided between the feed rollers, and the control unit sequentially operates the electromagnet unit, starting with the electromagnet unit disposed closest to the finishing mill.
More preferably, the electromagnet unit, the housing located between the transfer roller; An electromagnet portion provided in the housing; And a rotation roller rotatably installed at an upper end of the housing and having a space between the material and the electromagnet portion.
More preferably, the housing is formed so as to surround the electromagnet portion so that the electromagnet portion does not interfere with the operation of the feed roller during operation of the electromagnet portion.
More preferably, a plurality of the first protective roller is arranged in the conveying direction of the material, the first injection portion is disposed between the first protective roller, respectively, the second protective roller in the conveying direction of the material A plurality is arranged, and the second injection portion is disposed between the second protection rollers, respectively.
More preferably, the first injection unit and the second injection unit, supply pipe for receiving a fluid from an external source; A discharge pipe communicating with the supply pipe and arranged in plurality in a height direction of the material; And nozzles communicating with the discharge pipe and injecting the fluid supplied from the discharge pipe toward the material.
According to the present invention, it is possible to prevent the front end of the material sent out from the finishing mill through the high-pressure fluid injected from the injection unit can solve the problem of material quality defects such as material overlap.
In addition, the front end of the material sent out from the finishing mill can be corrected by the electromagnet unit disposed between the transfer rollers, thereby eliminating the problem of material quality defects such as material overlap.
In addition, since the tip of the material is prevented from rising, measurement data such as temperature, thickness, and width of the material can be accurately measured, thereby improving control performance.
In addition, since problems such as overlapping of materials can be solved, the durability of the winding equipment can be improved.
In addition, since the injection roller is prevented from colliding with the material by the protection roller, it is possible to prevent the deterioration of durability due to the collision, thereby achieving time and material cost reduction in terms of equipment maintenance and repair.
In addition, since the fluid starts to be injected from the injection unit when the raw material is discharged from the finishing mill, unnecessary use of the fluid can be prevented.
1 is a view schematically showing an apparatus for preventing the material upward according to an embodiment of the present invention.
2 is a view showing an operating state of the material upward prevention device according to an embodiment of the present invention.
3 is a view showing a state in which part I of the electromagnet unit is operated in the material upward prevention device according to an embodiment of the present invention.
4 is a view showing a state in which part II of the electromagnet unit is operated in the material upward prevention device according to an embodiment of the present invention.
5 is a view showing a state in which part III of the electromagnet unit is operated in the material upward prevention device according to an embodiment of the present invention.
6 is a side view schematically showing a state in which the injection portion and the protective roller is installed in the material upward prevention device according to an embodiment of the present invention.
Figure 7 is a perspective view showing the relationship between the injection portion and the protective roller in the material upward prevention device according to an embodiment of the present invention.
8 is a plan view showing the relationship between the injection portion and the protective roller in the material upward prevention device according to an embodiment of the present invention.
9 is a view schematically showing a spray unit in the material upward prevention device according to an embodiment of the present invention.
FIG. 10 is a plan view schematically showing the transfer roller and the electromagnet unit in the apparatus for preventing the material upward according to one embodiment of the present invention.
FIG. 11 is a side view schematically showing a feed roller and an electromagnet unit in an apparatus for preventing up-materials according to an embodiment of the present invention. FIG.
12 is a cross-sectional view schematically showing the electromagnet unit in the material upward prevention device according to an embodiment of the present invention.
13 is a block diagram showing a control flow of the apparatus for preventing the material upward according to an embodiment of the present invention.
Hereinafter, with reference to the accompanying drawings will be described an embodiment of a material upward prevention device according to the present invention. In this process, the thickness of the lines or the size of the components shown in the drawings may be exaggerated for clarity and convenience of description.
Further, terms to be described below are defined in consideration of the functions of the present invention, which may vary according to the intention or custom of the user, the operator. Therefore, the definitions of these terms should be made based on the contents throughout the specification.
1 is a view schematically showing an apparatus for preventing material upward according to an embodiment of the present invention, Figure 2 is a view showing an operating state of the apparatus for preventing material upward according to an embodiment of the present invention. 3 is a view illustrating a state in which part I of the electromagnet unit is operated in the material upward prevention device according to an embodiment of the present invention, and FIG. 4 is a part of the electromagnet unit in the material upward prevention device according to an embodiment of the present invention. FIG. 5 is a view illustrating a state in which II is operated, and FIG. 5 is a view illustrating a state in which part III of the electromagnet unit is operated in the material upward prevention device according to an embodiment of the present invention. Figure 6 is a side view schematically showing a state in which the injection portion and the protective roller is installed in the material upward prevention device according to an embodiment of the present invention, Figure 7 is the injection portion and the material upward prevention device according to an embodiment of the present invention 8 is a perspective view showing the relationship between the protective roller, Figure 8 is a plan view showing the relationship between the injection portion and the protective roller in the material upward prevention device according to an embodiment of the present invention, Figure 9 is a material upward according to an embodiment of the present invention It is a figure which shows schematically the injection part in the prevention apparatus. FIG. 10 is a plan view schematically showing a conveying roller and an electromagnet unit in an apparatus for preventing up-materials according to an embodiment of the present invention, and FIG. 11 shows a conveying roller and an electromagnet unit in an apparatus for preventing up-material according to an embodiment of the present invention. Figure 12 is a schematic side view, Figure 12 is a schematic cross-sectional view showing an electromagnet unit in the material upward prevention device according to an embodiment of the present invention. 13 is a block diagram showing a control flow of the apparatus for preventing the material upward according to an embodiment of the present invention.
1, 6, and 13, the apparatus for preventing the upward movement of
The 1st upward prevention part is located in the right side (refer FIG. 1) of the conveyance roller R which conveys the raw material S sent from the finishing mill F, and the 2nd upward prevention part has the conveyance roller R in between. It is located in the left side of the feed roller (R) so as to face the first upward prevention portion.
The
The
The
The
The outer end of the
The
The
The pair of second mounting
In addition to the second
The
The outer end of the
The
1, 3 to 9, and 13, the
A plurality of
The
The
The
In the raw material S sent from the finishing mill F, a material S having a particularly thin thickness may be upwardly generated due to a speed difference between the upper and lower work rolls of the finishing mill F, and the upwardly generated material. (S) may be more severe due to the air resistance generated during the transfer.
When the upward direction of the raw material S occurs, the upward of the raw material S is suppressed by injecting a high pressure fluid to the upper part of the raw material S through the
The
This can solve the problem of poor quality of the material (S) due to the overlap of the material (S), it is possible to block the degradation of the durability of the winding equipment generated when the overlapped material (S) is wound. Of course, as the upper end of the material S is prevented, measurement data such as temperature, thickness, and width can be accurately measured, thereby improving control performance.
1, 3, and 13, the material
The
1, 2, and 13, the first moving
The
The first
The first
The first
In the present exemplary embodiment, the
The second moving
The
The second
The second
The second
In the present exemplary embodiment, the
1, 6 and 13, the first
Therefore, even when the raw material S is abnormally transferred, the raw material S comes into contact with the first
In addition, since the first
The second
Therefore, even when the material S is abnormally transferred, the material S comes into contact with the second
In addition, since the second
1, 10 to 13, the
The
The
The
The
The
1, 2, and 13, the
When the fluid is injected at the same pressure, the pressure of the fluid applied to the material S increases as the distance between the
1, 3 to 5, and 13, the
Since part I of the
By the operation of the feed roller (R) the raw material (S) passes through part I of the
Similarly, when the material S enters part III of the
When the material S passes through part I of the
In this embodiment, the
Hereinafter will be described the operation principle of the material upward prevention device according to an embodiment of the present invention.
The raw material S sent out from the finishing mill F is conveyed by the feed roller R to a later process. At this time, at the outlet side of the finishing mill (F), the material
The upward movement occurs in the raw material S sent from the finishing mill F by a speed difference between the upper and lower work rolls of the finishing mill F. FIG. Therefore, the
Although the present invention has been described with reference to one embodiment shown in the drawings, this is merely exemplary and will be understood by those of ordinary skill in the art that various modifications and equivalent other embodiments are possible. will be.
In addition, the material upward prevention device disposed at the outlet side of the finishing mill is described as an example, but this is merely illustrative, and the technical idea of the present invention may be applied to other equipment other than the finishing mill. Therefore, the true technical protection scope of the present invention will be defined by the claims below.
10: first frame portion 11: the first mounting frame
12: first connection frame 13: first support frame
20: first injection unit 30: the first moving unit
31: first driving unit 32: first rotating gear
33: first rack gear 40: first protective roller
50: electromagnet unit 51: housing
52: electromagnet part 53: rotating roller
60: control unit 61: detection sensor
Claims (12)
A first injection part provided in the first frame part and injecting a fluid toward the material;
A first moving part provided in the first frame part and adjusting the distance between the first injection part and the material by moving the first frame part left and right;
An electromagnet unit positioned between the feed rollers and generating an electromagnetic force to correct upward of the material; And
And a control unit for controlling the operation of the first injection unit, the first moving unit, and the electromagnet unit.
It is disposed on the exit side of the finishing mill further comprises a detection sensor for detecting that the material is sent from the finishing mill,
The detection sensor transmits a detection signal to the controller when the transmission of the material is detected, and the controller controls the operation of the first injection unit and the electromagnet unit based on the detection signal.
A second frame portion positioned to face the first frame portion with the feed roller therebetween;
A second injection part provided in the second frame part and injecting a fluid toward the material; And
A second moving part provided on the second frame part and adjusting the distance between the second injection part and the material by moving the second frame part left and right,
The control unit is upward movement prevention apparatus, characterized in that for controlling the operation of the second injection unit and the second moving unit.
And the control unit controls the operation of the second injection unit based on the detection signal transmitted from the detection sensor when the transmission of the material is detected.
A first protective roller rotatably installed in the first frame part; And
Further comprising a second protective roller rotatably installed in the second frame portion,
One end of the outer circumferential surface of the first protective roller is disposed closer to the material than the one end of the first spraying part, and one end of the outer circumferential surface of the second protective roller is disposed closer to the material than the one end of the second spraying part. Material upward prevention device, characterized in that.
The first moving unit may include a first driving unit installed in the first frame unit;
A first rotary gear part connected to the first driving part and rotated by driving of the first driving part; And
And a first rack gear part engaged with the first rotary gear part and guiding the left and right movement of the first rotary gear part.
The second moving unit may include a second driving unit installed in the second frame unit;
A second rotary gear part connected to the second driving part and rotated by driving of the second driving part; And
And a second rack gear part engaged with the second rotary gear part and guiding the left and right movements of the second rotary gear part.
The electromagnet unit is provided with a plurality are disposed between the transfer roller, respectively
And the control unit sequentially operates the electromagnet unit, starting with the electromagnet unit disposed closest to the finishing mill.
The electromagnet unit, the housing located between the transfer roller;
An electromagnet portion provided in the housing; And
It is rotatably installed on the upper end of the housing, the material up preventing device, characterized in that it comprises a rotating roller spaced between the material and the electromagnet portion.
And the housing is formed so as to surround the electromagnet portion such that the electromagnet portion does not interfere with the operation of the feed roller during operation of the electromagnet portion.
A plurality of the first protective roller is arranged in the conveying direction of the material, the first injection portion is disposed between the first protective roller, respectively,
The second protective roller is arranged in a plurality in the conveying direction of the material, the second injection portion is the material upward prevention device, characterized in that disposed between each of the second protective roller.
The first injection unit and the second injection unit, supply pipe for receiving a fluid from an external source;
A discharge pipe communicating with the supply pipe and arranged in plurality in a height direction of the material; And
And a nozzle communicating with the discharge pipe and injecting the fluid supplied from the discharge pipe toward the material.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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KR1020100094395A KR101159776B1 (en) | 2010-09-29 | 2010-09-29 | Apparatus for preventing upward movement of material |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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KR1020100094395A KR101159776B1 (en) | 2010-09-29 | 2010-09-29 | Apparatus for preventing upward movement of material |
Publications (2)
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KR20120032853A true KR20120032853A (en) | 2012-04-06 |
KR101159776B1 KR101159776B1 (en) | 2012-06-28 |
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KR1020100094395A KR101159776B1 (en) | 2010-09-29 | 2010-09-29 | Apparatus for preventing upward movement of material |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101411882B1 (en) * | 2012-04-26 | 2014-06-27 | 현대제철 주식회사 | Shape correcting apparatus for material |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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KR101551287B1 (en) | 2014-03-03 | 2015-09-08 | 주식회사 포스코 | Apparatus for preventing scratch of strip in cutting process |
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JP3002331B2 (en) * | 1992-06-26 | 2000-01-24 | 株式会社神戸製鋼所 | Steel plate damping device |
KR19990027416U (en) * | 1997-12-23 | 1999-07-15 | 이구택 | Upward bending correction device of hot rolled strip tip |
KR100388045B1 (en) * | 1999-07-26 | 2003-06-18 | 주식회사 포스코 | Apparatus and method of correcting bending on strip head |
JP5444706B2 (en) * | 2008-12-18 | 2014-03-19 | Jfeスチール株式会社 | Metal strip control method and hot dipped metal strip manufacturing method |
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2010
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101411882B1 (en) * | 2012-04-26 | 2014-06-27 | 현대제철 주식회사 | Shape correcting apparatus for material |
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KR101159776B1 (en) | 2012-06-28 |
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