KR20120020493A - Apparatus for preventing upward movement of material - Google Patents
Apparatus for preventing upward movement of material Download PDFInfo
- Publication number
- KR20120020493A KR20120020493A KR1020100084128A KR20100084128A KR20120020493A KR 20120020493 A KR20120020493 A KR 20120020493A KR 1020100084128 A KR1020100084128 A KR 1020100084128A KR 20100084128 A KR20100084128 A KR 20100084128A KR 20120020493 A KR20120020493 A KR 20120020493A
- Authority
- KR
- South Korea
- Prior art keywords
- frame
- moving
- disposed
- driving
- feed roller
- Prior art date
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Classifications
-
- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Crushing And Grinding (AREA)
Abstract
The present invention relates to a material upward prevention device, comprising: a frame portion disposed on a side of a feed roller for transferring a material sent out from a finishing mill, a spraying portion installed in the frame portion and spraying a fluid toward an upper portion of the material, and a frame. A first moving part provided at one side of the frame part and moving one side of the frame part left and right to adjust the distance between the one side of the frame part and the other part of the frame part; It includes a second moving portion for adjusting the, the frame portion is disposed so that a pair of opposing to both sides of the feed roller, the first moving portion and the second moving portion of the frame portion disposed on the left side of the feed roller, It is characterized in that it is operated separately from the first moving portion and the second moving portion of the frame portion arranged.
According to the present invention, it is possible to prevent the front end of the material sent from the finishing mill through the high-pressure fluid injected from the injection unit can be prevented from the problem of material quality defects, such as material overlap.
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 a device for preventing up-materials: a frame part disposed on a side of a feed roller for transferring a material sent out from a finishing mill; An injection unit installed in the frame part and injecting a fluid toward an upper portion of the material; A first moving part provided on one side of the frame part and adjusting a distance between one side of the frame part and the material by moving one side of the frame part left and right; And a second moving part provided on the other side of the frame part and moving the other side of the frame part to the left and right to adjust the distance between the other side of the frame part and the material, wherein the frame part is opposite to both sides of the feed roller. The first moving part and the second moving part of the frame part disposed on the left side of the feed roller, the first moving part and the second moving part of the frame part disposed on the right side of the feed roller. It works separately with
Preferably, the first moving part is hinged to one side of the frame part, and the second moving part is hinged to the other side of the frame part.
More preferably, the first moving part comprises: a first connection hinge hinged to one side of the frame part; A first driving part installed in the first connecting hinge 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 includes: a second connecting hinge portion hinged to the other side of the frame portion; A second driving part installed in the second connecting hinge part; 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, further comprising a protective roller rotatably installed in the frame portion, one end of the outer peripheral surface of the protective roller is disposed closer to the material than the one end of the injection portion.
More preferably, the frame portion, a pair of mounting frame disposed up and down in the conveying direction of the material with the protective roller therebetween; And a plurality of first frames coupled to one end and the other end of the installation frame, respectively, extending in the outward direction of the feed roller, and hinged to the first moving part and the second moving part, respectively.
More preferably, it comprises a second frame to connect the first frame to each other to prevent distortion of the first frame.
More preferably, a plurality of the protective rollers are arranged in the conveying direction of the material, and the injection portion is disposed between the protective rollers, respectively.
More preferably, the injection unit comprises a 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 a nozzle in communication with the discharge pipe and injecting the fluid supplied from the discharge pipe toward the material.
More preferably, the discharge pipe is inclined so that one end communicating with the nozzle is disposed below the other end communicating with the supply pipe, the nozzle is inclined downward so as to be parallel to the discharge pipe.
According to the present invention, it is possible to prevent the front end of the material sent from the finishing mill through the high-pressure fluid injected from the injection unit can be prevented from the problem of material quality defects, such as material overlap.
In addition, according to the present invention, since upward of the material tip is prevented, measurement data such as temperature, thickness, and width of the material can be accurately measured, thereby improving control performance.
Further, according to the present invention, since problems such as overlapping of materials can be solved, the durability of the winding equipment can be improved.
In addition, according to the present invention, since the first moving part and the second moving part are hinged to the frame part, respectively, the injection part can be positioned close to the material from the leading end to the trailing end of the material, thereby more effectively preventing the upward of the material tip. can do.
In addition, according to the present invention, since the injection roller is prevented from colliding with the material by the protective roller can prevent the degradation of durability due to the collision can be achieved in terms of time and material costs in terms of maintenance, maintenance of the equipment.
In addition, according to the present invention, when the degree of upward direction is different in the width direction of the material, the first moving unit and the second moving unit respectively disposed on the left and right sides are operated separately to bring the fluid closer to the injection portion closer to the relatively higher degree Since it can spray, the upward direction can be prevented evenly with respect to the material width direction.
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 process in which the material is gradually flattened by the material upward prevention device according to an embodiment of the present invention.
Figure 4 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 5 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.
6 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.
7 is a view schematically showing a spray unit in the material upward prevention device 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 the material upward according to an embodiment of the present invention, Figure 3 is a present invention FIG. 3 is a diagram illustrating a process in which a material upwardly flattened by a material upward prevention device according to an embodiment of the present disclosure is gradually flattened. Figure 4 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 5 is the injection portion and the material upward prevention device according to an embodiment of the present invention Figure 6 is a perspective view showing the relationship between the protective roller, Figure 6 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 7 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.
1 to 4, the material upward prevention device according to an embodiment of the present invention includes a
The
The pair of
The
The
The outer end of the
The
The
4 to 7, the
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 pressure 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 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 to 4, the first moving
The first moving
The first
The
The first
The first
The first
In the present embodiment, the first driving
The second moving
The second moving
The second
The
The second
The second
The second
In the present embodiment, the second driving
The operation of the first driving
Further, the first moving
When the width of the material S is wide, the upward degree of the left and right sides of the material S may be changed based on the tip of the material S. In this case, the fluid provided by the
When the fluid is injected at the same pressure, the pressure of the fluid applied to the material S depends on the distance between the
In addition, when the first moving
The
Therefore, even when the material S is abnormally conveyed, the material S comes into contact with the
In addition, since 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, the material upward prevention device for preventing the upward of the material (S) is disposed on the outlet side of the finishing mill (F).
The upward movement of the material S sent from the finishing mill F is caused by a speed difference between the upper and lower work rolls of the finishing mill F, and the
Even if the high-pressure fluid is injected by the
In 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: frame portion 11: mounting frame
12: first frame 20: injection unit
30: first moving part 31: first connecting hinge
32: first driving unit 33: first rotating gear
34: first rack gear part 40: second moving part
41: second connection hinge 50: protective roller
Claims (10)
An injection unit installed in the frame part and injecting a fluid toward an upper portion of the material;
A first moving part provided on one side of the frame part and adjusting a distance between one side of the frame part and the material by moving one side of the frame part left and right; And
It is provided on the other side of the frame portion, and includes a second moving portion for adjusting the distance between the other side of the frame portion and the material by moving the other side of the frame portion left and right,
The frame portion is disposed so that a pair of opposing sides of the feed roller,
The first moving part and the second moving part of the frame part disposed on the left side of the feed roller are operated separately from the first moving part and the second moving part of the frame part disposed on the right side of the feed roller. Material upward prevention device, characterized in that.
And the first moving part is hinged to one side of the frame part, and the second moving part is hinged to the other side of the frame part.
The first moving unit may include a first connection hinge hinged to one side of the frame unit;
A first driving part installed in the first connecting hinge part;
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 part may include: a second connecting hinge part hinged to the other side of the frame part;
A second driving part installed in the second connecting hinge part;
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.
Further comprising a protective roller rotatably installed in the frame portion,
One end of the outer circumferential surface of the protective roller is disposed closer to the material than the one end of the injection portion device.
The frame portion, a pair of mounting frame disposed up and down in the conveying direction of the material with the protective roller therebetween; And
And a plurality of first frames coupled to one end and the other end of the installation frame, respectively, extending in the outward direction of the feed roller, and hinged to the first moving part and the second moving part, respectively. Material upward prevention device.
And a second frame connecting the first frames to each other to prevent distortion of the first frame.
The protective roller is arranged in plurality in the conveying direction of the material,
And the spraying portions are disposed between the protective rollers, respectively.
The injection unit comprises a supply pipe for receiving 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 in communication with the discharge pipe and injecting the fluid supplied from the discharge pipe toward the material.
The discharge pipe is installed to be inclined such that one end communicating with the nozzle is disposed below the other end communicating with the supply pipe,
And the nozzle is inclined downward to be parallel to the discharge pipe.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020100084128A KR101159591B1 (en) | 2010-08-30 | 2010-08-30 | Apparatus for preventing upward movement of material |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020100084128A KR101159591B1 (en) | 2010-08-30 | 2010-08-30 | Apparatus for preventing upward movement of material |
Publications (2)
Publication Number | Publication Date |
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KR20120020493A true KR20120020493A (en) | 2012-03-08 |
KR101159591B1 KR101159591B1 (en) | 2012-06-26 |
Family
ID=46129073
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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KR1020100084128A KR101159591B1 (en) | 2010-08-30 | 2010-08-30 | Apparatus for preventing upward movement of material |
Country Status (1)
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KR (1) | KR101159591B1 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104415974A (en) * | 2013-08-30 | 2015-03-18 | 宝山钢铁股份有限公司 | Finish rolling head-up control method of hot rolled strip production |
CN108380674A (en) * | 2018-02-12 | 2018-08-10 | 宝钢湛江钢铁有限公司 | A kind of Wide and Thick Slab production constant speed rolling nose control method |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6195708A (en) | 1984-10-16 | 1986-05-14 | Ishikawajima Harima Heavy Ind Co Ltd | Shape control device of rolling sheet |
KR100761748B1 (en) | 2001-10-26 | 2007-09-28 | 주식회사 포스코 | Device for inducting top and tail of strip |
KR100969486B1 (en) | 2003-07-19 | 2010-07-14 | 주식회사 포스코 | apparatus for reforming shape of hot strip on a run-out table |
-
2010
- 2010-08-30 KR KR1020100084128A patent/KR101159591B1/en not_active IP Right Cessation
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104415974A (en) * | 2013-08-30 | 2015-03-18 | 宝山钢铁股份有限公司 | Finish rolling head-up control method of hot rolled strip production |
CN108380674A (en) * | 2018-02-12 | 2018-08-10 | 宝钢湛江钢铁有限公司 | A kind of Wide and Thick Slab production constant speed rolling nose control method |
CN108380674B (en) * | 2018-02-12 | 2020-03-27 | 宝钢湛江钢铁有限公司 | Constant-speed rolling head warping control method for wide and thick plate production |
Also Published As
Publication number | Publication date |
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KR101159591B1 (en) | 2012-06-26 |
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