KR101320147B1 - Side guide automatic control apparatus for preventing strip serpentine movement - Google Patents

Side guide automatic control apparatus for preventing strip serpentine movement Download PDF

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Publication number
KR101320147B1
KR101320147B1 KR1020120043517A KR20120043517A KR101320147B1 KR 101320147 B1 KR101320147 B1 KR 101320147B1 KR 1020120043517 A KR1020120043517 A KR 1020120043517A KR 20120043517 A KR20120043517 A KR 20120043517A KR 101320147 B1 KR101320147 B1 KR 101320147B1
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KR
South Korea
Prior art keywords
strip
roller
speed
meandering
guide
Prior art date
Application number
KR1020120043517A
Other languages
Korean (ko)
Inventor
이정한
김웅
박영국
임갑수
Original Assignee
현대제철 주식회사
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Priority to KR1020120043517A priority Critical patent/KR101320147B1/en
Application granted granted Critical
Publication of KR101320147B1 publication Critical patent/KR101320147B1/en

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21BROLLING OF METAL
    • B21B37/00Control devices or methods specially adapted for metal-rolling mills or the work produced thereby
    • B21B37/68Camber or steering control for strip, sheets or plates, e.g. preventing meandering
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21BROLLING OF METAL
    • B21B39/00Arrangements for moving, supporting, or positioning work, or controlling its movement, combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
    • B21B39/008Rollers for roller conveyors
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21BROLLING OF METAL
    • B21B39/00Arrangements for moving, supporting, or positioning work, or controlling its movement, combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
    • B21B39/14Guiding, positioning or aligning work
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21BROLLING OF METAL
    • B21B2203/00Auxiliary arrangements, devices or methods in combination with rolling mills or rolling methods
    • B21B2203/18Rolls or rollers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21BROLLING OF METAL
    • B21B2203/00Auxiliary arrangements, devices or methods in combination with rolling mills or rolling methods
    • B21B2203/24Hydrostatic bearings or guides

Abstract

PURPOSE: An automatic control device of side guide parts for preventing the swerving of strips is provided to automatically correct the strips entered into a mandrel in a hot rolling process after grasping whether or not the strips are swerved. CONSTITUTION: An automatic control device of side guide parts (130) for preventing the swerving of strips comprises a strip speed measurement part (110), a strip swerving measurement part (120), the side guide parts, and a driving control part. The strip speed measurement part measures the speed of the strips. The strip swerving measurement part measures the swerved amount of the strips. The side guide parts horizontally move in a lateral direction of a roller table. The driving control part horizontally moves the side guide parts. The strip speed measurement part comprises a roller (112) and a first encoder (114).

Description

Side guide automatic adjustment device to prevent strip meandering {SIDE GUIDE AUTOMATIC CONTROL APPARATUS FOR PREVENTING STRIP SERPENTINE MOVEMENT}
The present invention relates to a device for automatically adjusting side guides for preventing strip meandering, and more particularly, strip meandering, which can be automatically corrected after grasping in advance whether or not the strip enters a mandrel during a hot rolling process. It relates to a side guide automatic adjustment device for preventing penetration.
In general, a hot rolling process of a steel mill is a process of manufacturing a coil having a width and a thickness corresponding to a desired dimension by rolling a strip in a width direction and a thickness direction.
During this hot rolling process, stripping occurs under various conditions. As a result, correction is required to improve product quality and dimensional accuracy.
As a prior document related to the present invention, there is Korea Patent Publication No. 10-2004-0015514 (published on Feb. 19, 2004, 'center alignment device of steel sheet').
An object of the present invention is to provide a device for automatically adjusting the side guide portion for preventing the meandering of the strip which can be automatically corrected after grasping in advance whether or not the strip enters the mandrel during the hot rolling process.
According to the technical idea of the present invention, the strip speed measuring unit for measuring the speed of the strip by continuously contacting the side of the strip which is rolled in the rolling roll and enters the mandrel by the roller table; A strip meander measuring unit rotatably connected to the strip speed measuring unit and configured to rotate the strip speed measuring unit so as to contact a side of the strip, and to measure the meandering amount of the strip by sensing the rotated tilt displacement; A side guide part disposed between the winder and the rolling roll, the side guide part having a structure capable of horizontally moving in the width direction of the roller table; And a drive control unit which receives the information about the speed and the meandering amount of the strip by the strip speed measuring unit and the strip meander measuring unit, and horizontally moves the side guides to correct the meandering of the strip. Provides a side guide automatic adjustment device.
The strip speed measuring unit may include: a roller which rotates by continuously contacting side surfaces of the strip; And a first encoder connected to the roller and measuring the speed of the roller at a rotational speed per minute of the roller and transmitting the measured speed to the drive control unit.
It is preferable that the said roller consists of a material which has heat resistance.
The strip meander measuring unit may include a horizontal axis having a bar shape at one end of which is connected to an axis of the roller; A rotating shaft connected to the other end of the horizontal shaft and rotating the roller in a horizontal direction; And a second encoder connected to the rotary shaft and configured to sense a rotated tilt displacement of the rotary shaft and transmit the detected tilt displacement to the driving controller.
It is preferable that the rotation shaft is pivotally adjusted such that the roller is in contact with the side surface of the strip entering the winder.
The driving control unit may include: a data input unit configured to input data of speed information of the roller received by the first encoder and inclination displacement information of the rotating shaft received by the second encoder; And a data processor which integrates the received data and computes the speed and meander information of the strip.
The driving control unit may further include a display unit for visually outputting strip speed and meandering information calculated by the data processing unit.
The side guide portion, it is preferable that the hydraulic cylinder is connected to both ends, the horizontal adjustment.
The present invention automatically adjusts the side guide part for preventing the strip meandering, after detecting the meandering of the strip entering the winder (mandrel) during the hot rolling process.
Accordingly, the present invention, the automatic adjustment device of the side guide portion for preventing strip meandering penetration provides an effect of improving the efficiency of work by an automated system.
In addition, the automatic adjustment device of the side guide portion for preventing meandering stripping of the present invention provides an effect of improving the productivity by reducing the defective rate of the hot rolled coil.
1 is a view schematically showing a device for automatically adjusting side guides for preventing meandering strips according to an embodiment of the present invention;
2 and 3 are views for explaining the driving of the side guide portion automatic adjustment device for preventing strip meandering in accordance with an embodiment of the present invention installed on the side of the strip to be wound,
4 is a view for explaining the operation relationship between the configuration of the automatic adjustment device for the side guide portion for preventing strip meandering in accordance with an embodiment of the present invention.
Hereinafter, with reference to the accompanying drawings it will be described with respect to the side guide portion automatic adjustment device for preventing strip meandering in accordance with an embodiment of the present invention.
BRIEF DESCRIPTION OF THE DRAWINGS The above and other features and advantages of the present invention will become more apparent by describing in detail exemplary embodiments thereof with reference to the attached drawings in which: It is intended that the invention be described in its entirety by reference to the appended claims and their equivalents.
Like reference numerals refer to like elements throughout the specification.
In addition, the size of the components constituting the invention in the drawings are exaggerated for clarity of the specification, and if any component is described as "existing inside or connected to the other components", A component may be installed in contact with the other component, may be installed at a predetermined distance, and when installed at a distance, a third for fixing or connecting the component to the other component The description of the means of may be omitted.
1 is a view schematically showing an apparatus for automatically adjusting side guides for preventing meandering strips according to an embodiment of the present invention.
Referring to FIG. 1, the apparatus for automatically adjusting side guide portions for preventing strip meandering according to an embodiment of the present invention 100 includes a strip speed measuring unit 110, a strip meander measuring unit 120, and a side guide. The unit 130 and a drive control unit.
The strip speed measuring unit 110 continuously contacts the side surface of the strip S which is rolled by the rolling roll 30 and then enters the winding machine 10 by the roller table 20, thereby Measure the speed.
The strip speed measuring unit 110 is connected to the roller 112 and the roller 112 to rotate in contact with the side of the strip (S) continuously, the rotation speed of the roller 112 per minute It includes a first encoder 114 for measuring the speed of the roller 112 and transmits to the drive control unit 140.
At this time, since the roller 112 continuously contacts the side surface of the strip S, it is preferable that the roller 112 is made of a material having heat resistance.
The strip meander measuring unit 120 is rotatably connected to the strip speed measuring unit 110. The strip meander measuring unit 120 rotates the strip speed measuring unit 110 so as to contact the side surface of the strip S, and measures the meandering amount of the strip S by detecting the rotated tilt displacement. .
The strip meander measuring unit 120 includes a horizontal axis 122, a rotation axis 124, and a second encoder 126.
Here, the horizontal shaft 122, one end is connected to the shaft of the roller 112, and made of a bar (bar) shape.
The rotating shaft 124 is connected to the other end of the horizontal shaft 122 and rotates the roller 112 in the horizontal direction.
At this time, the rotating shaft 124, the rotational adjustment so that the roller 112 is in contact with the side of the strip (S) entering the cooker (10).
In addition, the second encoder 126 is connected to the rotation shaft 124 and detects the rotated tilt displacement of the rotation shaft 124 and transmits it to the driving controller 140.
The side guide part 130 is arrange | positioned between the winding machine 10 and the rolling roll 30, and consists of a structure which can horizontally move to the width direction of the roller table 20. As shown in FIG.
At this time, the side guide portion 130, the hydraulic cylinder (not shown) is connected to both outer ends, it is preferable that the horizontal adjustment.
The driving control unit receives the speed and the meandering amount information of the strip S by the strip speed measuring unit 110 and the strip meander measuring unit 120 to guide the side to correct the meandering of the strip S. The unit 130 is horizontally moved.
2 and 3 are views illustrating a state in which the automatic adjustment device of the side guide part for preventing meandering penetration according to an embodiment of the present invention installed on the side of the strip to be wound is driven, and FIG. 4 is a view of the present invention. Figure 1 is a view showing for explaining the operation relationship between the configuration of the automatic adjustment device for preventing side meandering strips according to an embodiment.
2 to 4 at the same time, strip meandering prevention side guide automatic adjustment device 100 according to an embodiment of the present invention is large, strip speed measuring unit 110, strip meander measuring unit 120 And a side guide part 130 and a drive control part 140.
Since the above-described configurations are described above with reference to FIG. 1, redundant description will be omitted. However, the above-described contents may be partially overlapped to help understand the drawings. In addition, in Figures 2 to 4 will be described with respect to the description and the operational relationship between each configuration.
The strip S passes through the rolling roll 30 and enters the winder 10 by the roller table 20. At this time, when the strip S enters the take-up machine 10, tension is generated between the take-up machine 10 and the rolling rolls 30 to be wound in a taut state.
However, before the strip S enters the winder 10 as shown in FIG. 2 and at the end where the strip S passes through the rolling roll 30 as shown in FIG. The strip S may meander, which may cause a defective product of the hot rolled coil.
As shown in FIG. 4, in the automatic adjustment device for side guide portion for preventing strip meandering according to an embodiment of the present invention, the driving controller 140 includes the strip speed measuring unit 110 and the strip meandering. The measurement unit 120 receives the speed and the meandering amount information of the strip S to horizontally move the side guide 130 to correct the meandering of the strip S.
The drive control unit 140 converts the speed information of the roller 112 received by the first encoder 114 and the tilt displacement information of the rotation shaft 124 received by the second encoder 126 into data. It includes a data input unit 142 and a data processor 144 for calculating the speed and meander information of the strip S by integrating the received data.
In this case, the driving controller 140 may further include a display unit 146 for visually outputting the strip S speed and meandering information calculated by the data processor 144.
As described above, the inventors of the present invention automatically adjust the side guide portion for preventing strip meandering, after grasping whether the strip enters the winder (mandrel) during the hot rolling process in advance and can provide an effect that can be automatically corrected. Can be.
Accordingly, the apparatus for automatically adjusting side guide portions for preventing strip meandering of the present invention can provide an effect of improving the efficiency of work by an automated system.
In addition, the automatic adjustment device of the side guide portion for preventing the meandering strip of the present invention can provide an effect of improving the productivity by reducing the defect rate of the hot rolled coil.
While the present invention has been described in connection with what is presently considered to be practical exemplary embodiments, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, It will be understood by those skilled in the art that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. It is therefore to be understood that the above-described embodiments are illustrative in all aspects and not restrictive.
S: strip 10: winder
20: roller table 30: rolling roll
100: automatic side guide unit 110: strip speed measurement unit
112: roller 114: first encoder
120: strip meander measuring unit 122: horizontal axis
124: axis of rotation 126: second encoder
130: side guide portion 132: hydraulic cylinder
140: drive control unit 142: data input unit
144: data processing unit 146: display unit

Claims (8)

  1. A strip speed measuring unit for continuously contacting a side surface of the strip which is rolled in the rolling roll and then enters a mandrel by a roller table to measure the speed of the strip;
    A strip meander measuring unit rotatably connected to the strip speed measuring unit and configured to rotate the strip speed measuring unit so as to contact a side of the strip, and to measure the meandering amount of the strip by sensing the rotated tilt displacement;
    A side guide part disposed between the winder and the rolling roll, the side guide part having a structure capable of horizontally moving in the width direction of the roller table; And
    The strip speed measurement unit and the strip meander measuring unit receives the information about the speed and the amount of meandering of the strip, the drive control unit for horizontally moving the side guide to correct the meandering of the strip; strip meandering prevention side including Guide automatic control.
  2. The method of claim 1,
    The strip speed measuring unit,
    A roller that rotates in contact with the side of the strip continuously; And
    And a first encoder connected to the roller and measuring the speed of the roller at a rotational speed per minute of the roller and transmitting the speed to the driving control unit.
  3. 3. The method of claim 2,
    The roller
    Side adjustment unit automatic adjustment device for preventing meandering strips, characterized in that made of a material having heat resistance.
  4. 3. The method of claim 2,
    The strip meander measuring unit,
    A horizontal axis having a bar shape, one end of which is connected to an axis of the roller;
    A rotating shaft connected to the other end of the horizontal shaft and rotating the roller in a horizontal direction; And
    And a second encoder connected to the rotating shaft and configured to detect a rotated tilt displacement of the rotating shaft and transmit the detected second displacement to the driving control unit.
  5. 5. The method of claim 4,
    The rotation shaft
    The side guide portion automatic adjustment device for preventing strip meandering, characterized in that the roller is in contact with the side of the strip entering the winding machine to contact.
  6. 5. The method of claim 4,
    The drive control unit,
    A data input unit for inputting data of speed information of the roller received by the first encoder and inclination displacement information of the rotation shaft received by the second encoder; And
    And a data processor configured to calculate and process strip speed and meandering information by integrating the received data.
  7. The method according to claim 6,
    The drive control unit,
    And a display unit for visually outputting the strip speed and the meandering information calculated by the data processing unit.
  8. The method of claim 1,
    The side guide portion,
    Hydraulic cylinder is connected to both ends of the outer side, the side guide portion automatic adjustment device for preventing meandering strips, characterized in that the horizontal adjustment.
KR1020120043517A 2012-04-25 2012-04-25 Side guide automatic control apparatus for preventing strip serpentine movement KR101320147B1 (en)

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KR1020120043517A KR101320147B1 (en) 2012-04-25 2012-04-25 Side guide automatic control apparatus for preventing strip serpentine movement

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Application Number Priority Date Filing Date Title
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20180073957A (en) * 2016-12-23 2018-07-03 주식회사 포스코 Apparatus for detect meandering strip of hot rolling process

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2535384B2 (en) 1988-07-26 1996-09-18 川崎製鉄株式会社 Side guide control method in strip rolling equipment for hot rolling
JPH09155448A (en) * 1995-12-07 1997-06-17 Sumitomo Heavy Ind Ltd Strip coiling method and device
JPH09216013A (en) * 1996-02-07 1997-08-19 Nippon Steel Corp Method and device for stabilizing shape at the time of coiling hot rolled steel sheet
KR101100535B1 (en) 2009-07-24 2011-12-29 현대제철 주식회사 Apparatus for controlling coiling shape of hot rolling coil using temperature of width direction and method thereof

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2535384B2 (en) 1988-07-26 1996-09-18 川崎製鉄株式会社 Side guide control method in strip rolling equipment for hot rolling
JPH09155448A (en) * 1995-12-07 1997-06-17 Sumitomo Heavy Ind Ltd Strip coiling method and device
JPH09216013A (en) * 1996-02-07 1997-08-19 Nippon Steel Corp Method and device for stabilizing shape at the time of coiling hot rolled steel sheet
KR101100535B1 (en) 2009-07-24 2011-12-29 현대제철 주식회사 Apparatus for controlling coiling shape of hot rolling coil using temperature of width direction and method thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20180073957A (en) * 2016-12-23 2018-07-03 주식회사 포스코 Apparatus for detect meandering strip of hot rolling process
KR102044978B1 (en) * 2016-12-23 2019-11-14 주식회사 포스코 Apparatus for detect meandering strip of hot rolling process

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