KR20140059343A - Automatic dent removing apparatus annealing furnace roll - Google Patents

Automatic dent removing apparatus annealing furnace roll Download PDF

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Publication number
KR20140059343A
KR20140059343A KR1020120125340A KR20120125340A KR20140059343A KR 20140059343 A KR20140059343 A KR 20140059343A KR 1020120125340 A KR1020120125340 A KR 1020120125340A KR 20120125340 A KR20120125340 A KR 20120125340A KR 20140059343 A KR20140059343 A KR 20140059343A
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South Korea
Prior art keywords
roll
suction
annealing furnace
polishing
shaft
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KR1020120125340A
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Korean (ko)
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KR102008701B1 (en
Inventor
박대복
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주식회사 포스코
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Publication of KR20140059343A publication Critical patent/KR20140059343A/en
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    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/52—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length
    • C21D9/54—Furnaces for treating strips or wire
    • C21D9/56—Continuous furnaces for strip or wire
    • C21D9/562—Details
    • C21D9/563—Rolls; Drums; Roll arrangements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B5/00—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G45/00—Lubricating, cleaning, or clearing devices
    • B65G45/10—Cleaning devices

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Grinding-Machine Dressing And Accessory Apparatuses (AREA)
  • Grinding Of Cylindrical And Plane Surfaces (AREA)

Abstract

The present invention relates to an abrasive roll (110) for abutting one side of a roll (R) installed in an annealing furnace (10) to remove foreign matter adhering to the roll (R), and a universal joint And a driving motor 121 connected to the rollers 122a and 122b and a conveying unit 130 for moving the polishing roll 110 closer to or away from the roll R. [ The foreign matter adhering to the roll is automatically removed by contact with the roll so that it is not necessary for the operator to directly enter the annealing furnace to reduce the risk of a safety accident and to remove foreign matter even during normal operation And it is possible to improve work efficiency and quality.

Figure P1020120125340

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to an automatic dent removing apparatus,

The present invention relates to an apparatus for removing a foreign material on a roll placed in an annealing furnace, and in particular, it is unnecessary for a worker to directly enter the inside of the annealing furnace by automatically removing foreign matter adhering to the roll by contact with the roll It is possible to reduce the risk of safety accidents and to remove foreign matter even during normal operation, thereby improving work efficiency and quality.

In general, an annealing furnace is a furnace that performs a role of recovering the characteristics of a material by heating a cold-rolled material.

Such an annealing furnace is widely known as a batch type and a continuous type. Currently, a continuous annealing furnace for mass production is mainly used.

In the continuous annealing furnace, there is one furnace heating stand, a crack stand, and a standing steady stage, and annealing is completed while passing the strips successively.

In this continuous annealing furnace, an inlet is formed in a horizontal direction so that the strip enters, and a roll is provided inside the inlet to support and support the strip. However, a foreign matter deposited on the surface of the strip during the passage through the annealing furnace adheres to the surface of the roll.

At this time, the foreign matter adhered to the roll heated to a high temperature is completely fixed to the surface of the roll while contacting with the strip, causing scratches on the surface of the strip and adversely affecting the surface quality of the strip.

In this case, the operator removes various scales or foreign substances attached to the surface of the roll by using a wire brush or a sand paper.

However, the above-mentioned prior art has a problem that the worker takes a lot of time to clean the roll surface and thus the work efficiency is remarkably reduced. Particularly, the worker must directly enter the inside of the annealing furnace where the hot gas remains, There was a high risk.

In order to solve such a problem, in Korean Patent No. 0903631, a work roll R1 and a preliminary roll R2 are installed on a rotating body 22 as shown in FIG. 1, The work roll R1 and the preliminary roll R2 are alternately used by rotating the work roll R1 and the work roll R1. At this time, the work roll R1 and the preliminary roll R2 are rotated by the operation motor 24, respectively.

However, even in the case of this prior art, if the foreign matter is accumulated in the work rolls R1 and R2, the same phenomenon as described above occurs, and the above-mentioned problems can not be solved.

On the other hand, the structure of the annealing furnace and the roll is a well-known structure as described in the following Patent Documents, and thus detailed description and explanation are omitted.

Korea Patent No. 0903631 Korean Patent No. 0742852 Korean Patent Publication No. 2002-46589 Japanese Patent Laid-Open No. 1990-294432 Japanese Patent Laid-Open No. 2001-262239 Japanese Laid-Open Patent No. 1998-236629

The present invention has been made to solve the above-mentioned problems, and provides an apparatus for automatically removing foreign matter from an annealing furnace roll, including an abrasive roll which is in contact with one side of a roll installed in an annealing furnace to remove foreign substances adhering to the roll There is purpose in.

In order to achieve the above object, the present invention provides an abrasive roll forming apparatus, comprising: an abrasive roll 110 for abutting one side of a roll R installed in an annealing furnace 10 to remove foreign substances remaining on the roll R; A driving part 120 constituted by a driving motor 121 connected by a universal joint 122b to the polishing pad 126 and a transfer part 130 for bringing the polishing roll close to or away from the roll R, It is featured in automatic foreign material removing device of roll

At this time, the driving unit 120 includes a first interlocking shaft 122a interlocked with the driving motor 121, a second interlocking shaft 122c interlocked with the abrasive polishing roll shaft 126, And a universal joint 122b connecting the second interlocking shaft 122a and the second interlocking shaft 122c.

The conveying unit 130 includes a conveying rod 131 which is disposed at one side of the shaft 126 of the polishing roller 110 to convey the polishing roller 110 and a conveying actuator that drives the conveying rod 131 forward and backward. (132).

The suction unit 140 may further include a suction unit 140 disposed at one side of the polishing roll 110 to suck foreign substances discharged from the polishing roll 110. The suction unit 140 may include a suction actuator A pedestal 142 disposed on one side of the pedestal 142 and adapted to suck foreign matter accumulated in the pedestal 142; a pedestal 142 for receiving a foreign substance discharged from the grindstone 112 of the polishing roll 110; A hopper 141 and a suction pipe 143 for connecting the suction hopper 141 and the suction actuator 144 to each other.

Prior to that, terms and words used in the present specification and claims should not be construed in a conventional and dictionary sense, and the inventor may properly define the concept of the term in order to best explain its invention It should be construed as meaning and concept consistent with the technical idea of the present invention.

Industrial Applicability As described above, according to the present invention, there is no need for an operator to enter the inside of the annealing furnace, so that the risk of occurrence of a safety accident is reduced, foreign matter can be removed even during operation, and quality and work efficiency can be improved.

1 is a perspective view showing a conventional annealing furnace roll.
2 is a perspective view showing the automatic canceller of the present invention.
3 is a conceptual diagram showing a suction part of the present invention.
4 is a conceptual view showing the suction part and the roll according to the present invention.

BRIEF DESCRIPTION OF THE DRAWINGS The objectives, specific advantages, and novel features of the present invention will become more apparent from the following detailed description taken in conjunction with the accompanying drawings, in which: FIG. It should be noted that, in the present specification, reference numerals are added to the constituent elements of the drawings, and the same constituent elements have the same number as far as possible even if they are shown in different drawings. Also, the terms "first "," second ", "one side "," other ", and the like are used to distinguish one element from another, no. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

FIG. 3 is a conceptual view showing a suction part of the present invention, and FIG. 4 is a conceptual view showing a suction part and a roll according to the present invention.

The present invention includes an abrasive roll 110 that contacts one side of a roll (R) installed inside an annealing furnace (10) as shown in Fig. 2 and removes foreign matter adhering to the roll (R). That is, the abrasive roll 110 comes into contact with the roll R, and the foreign substance is removed from the roll R to automatically remove the foreign substance.

Conventionally, as described above, since the worker enters the inside of the annealing furnace directly or alternately uses the structure, there is a problem that working efficiency is lowered or safety accident occurs. According to the present invention, foreign matter can be automatically removed, One problem can be solved.

The polishing roll 110 may have a variety of configurations, but the polishing roll 110 may include a grinding stone 112 contacting the roll R, (111). In other words, the abrasive stone generally used for processing the metal is formed on the outer circumference of the abrasive roll body 111. At this time, while the grinding stone 112 and the roll R are in contact with each other, the polishing roll 110 rotates while the roll R is in motion, thereby removing the foreign substances adhered to the roll R.

The polishing apparatus 100 may further include a driving unit 120 that rotates the polishing roll 110. 2, the driving unit 120 includes a rotary actuator 121 for providing power for rotating the polishing roll 110, a rotary shaft 121 for rotating the polishing roll shaft 126 of the polishing roll 110, And a power transmission unit 122 for interlocking the actuator 121. [

The actuator of the present invention is a device for generating a rotational force based on an input signal and includes, for example, an electric motor or the like. can do.

That is, the rotating force generated by the rotating actuator 121 is transmitted to the polishing roll shaft 126 through the power transmitting portion 122, thereby rotating the polishing roll 110 finally.

The power transmitting portion 122 includes a first interlocking shaft 122a interlocked with the rotary actuator 121, a second interlocking shaft 122c interlocked with the abrasive roll shaft 126, And a universal joint 122b connecting the second interlocking shaft 122c and the second interlocking shaft 122c.

In other words, since the rotary actuator 120 and the polishing roll 110 may not be located on a straight line, a first interlocking shaft 122a interlocked with the rotary actuator 121, A second interlocking shaft 122c interlocked with the second interlocking shaft 126 is provided and the first interlocking shaft 122a and the second interlocking shaft 122c are connected using a universal joint 122b.

As is well known, the universal joint 122b is used when the shafts to be connected are spaced apart from each other and are not parallel to each other. In the present invention, when the polishing roll 110 and the rotary actuator 121 are not positioned on a straight line It is possible to transmit the rotational force easily.

It is also possible to further include a transfer unit 130 for moving the polishing roll 110 closer to or away from the roll R side. The transfer unit 130 includes a transfer rod 131 installed at one side of the polishing roll shaft 126 to transfer the polishing roll 110 and a transfer actuator 132 for moving the transfer rod 131 forward and backward. . ≪ / RTI >

The transfer actuator 132 generates power in the forward and backward linear directions by a signal inputted in the similar manner as described above, and for example, a hydraulic or pneumatic cylinder can be used. At this time, the moving rod 131 is installed in the conveying actuator 132 to perform a linear motion, and the moving rod 131 is installed on one side of the polishing roll body 111, The polishing roll body 111 is transported.

2, the movable rod 131 may be provided on one side of the abrasive roll shaft 126, and on both sides of the abrasive roll shaft 126, a rotation support portion 125a such as a bearing , 125b, and the moving rod 131 may be installed on the pivot support portions 125a, 125b.

The abrasive roll 110 is brought close to the roll R by the transferring unit 130 as described above so that the abrasive stone 112 is brought into contact with the roll R or the abrasive roll 110 is brought into contact with the roll R, So that the contact state between the grinding stone 112 and the roll R can be released.

It is also possible to install and connect flanges 124 and 123 between the abrasive roll shaft 126 and the second interlocking shaft 122c or between the first interlocking shaft 122a and the rotary actuator 121. [

As described above, the abrasive roll 110 removes foreign matter from the roll R, and may include a suction unit 140 for sucking the removed foreign substances and discharging the foreign substances to the outside.

3 and 4, the suction unit 140 includes a suction actuator 144 for generating a suction force, a pedestal 142 for receiving foreign substances discharged from the grinding stone 112 of the polishing roll 110, A suction hopper 141 disposed at one side of the pedestal 142 to prevent scattering of foreign substances accumulated in the pedestal 142 and a suction pump 141 for connecting the suction hopper 141 and the suction actuator 144 And a suction pipe 143.

That is, when the grinding stone 112 comes into contact with the roll R to separate the foreign substances, the separated foreign substances are collected in the pedestal 142. The foreign substances collected in the pedestal 142 are discharged to the outside through the suction hopper 141 and the suction pipe 143. At this time, the suction power for sucking the foreign matter may be generated by using the suction actuator 144, for example, a vacuum pump.

The pedestal 142 includes a pedestal body 142a formed in a lengthwise direction of the roll R as shown in the figure and a recessed portion 142b, and foreign substances are collected in the recessed portion 142b.

Meanwhile, since the foreign matter stored in the pedestal 142 may be directly sucked, the foreign matter may be scattered. Therefore, the suction hopper 141 may be disposed on the pedestal 142. The suction hopper 141 is disposed on the pedestal 142 as described above and has a hollow shape and is elongated in the longitudinal direction of the roll R. The width of the suction hopper 141 becomes narrower toward the pedestal 142 . That is, a narrow portion of the suction hopper 141 is directed toward the pedestal 142, so that the foreign substances stored in the pedestal 142 are sucked through the suction hopper 141 without scattering, As shown in FIG.

2, the abrasive roll 110, the abrasive roll driving part 120, the feeding part 130 and the suction part 140 are disposed on the upper side of the roll R, As shown in FIG.

2, the abrasive roll 110, the abrasive roll driving part 120, the feeding part 130, and the suction part 140 are driven by a roll (R The strip passes through the lower portion of the roll R and passes through the upper portion of the roll R when the strip is installed on the lower or side of the roll R. [ .

Therefore, even when the strip passes, the automatic foreign material removing device can be operated.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the same is by way of illustration and example only and is not to be construed as limiting the present invention. It is obvious that the modification or improvement is possible.

Further, it is intended that the present invention cover the modifications and variations of this invention provided they come within the scope of the appended claims and their equivalents.

100: Automatic foreign substance removing device 110: Polishing roll
111: abrasive roll body 112: abrasive stone
120: driving part 121: rotating actuator
122: power transmitting portion 122a: first interlocking shaft
122b: universal joint 122c: second interlocking shaft
130: Feeder 131: Feeder rod
132: Transfer actuator 140: Suction part
141: suction hopper 142: pedestal
142a: pedestal body 142b:
143: Suction pipe 144: Suction actuator

Claims (4)

An abrasive roll 110 for contacting foreign matter adhered to the roll R in contact with one side of the roll R installed in the annealing furnace 10,
A driving unit 120 comprising a driving motor 121 connected to a polishing roll shaft 126 by a universal joint 122b,
And a transfer part (130) for bringing the polishing roll (110) closer to or away from the roll (R) side. The method according to claim 1,
The driving unit 120 includes a first interlocking shaft 122a interlocked with the driving motor 121, a second interlocking shaft 122c interlocked with the abrasive roll shaft 126, And a universal joint (122b) connecting the first and second interlocking shafts (122a, 122b) and the second interlocking shaft (122c). The method according to claim 1,
The transferring unit 130 includes a transferring rod 131 which is installed on one side of the shaft 126 of the polishing roll 110 and transfers the polishing roll 110 and a transferring actuator 132 for moving the transferring rod 131 back and forth ) Of the annealing furnace. The method according to claim 1,
And a suction unit 140 disposed at one side of the polishing roll 110 for sucking foreign substances discharged from the polishing roll 110,
The suction unit 140 includes a suction actuator 144 for generating a suction force,
A pedestal 142 for receiving foreign substances discharged from the grinding stone 112 of the polishing roll 110,
A suction hopper 141 disposed at one side of the pedestal 142 for sucking foreign substances accumulated in the pedestal 142,
And a suction pipe (143) communicating the suction hopper (141) with the suction actuator (144).
KR1020120125340A 2012-11-07 2012-11-07 Automatic dent removing apparatus annealing furnace roll KR102008701B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
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Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020120125340A KR102008701B1 (en) 2012-11-07 2012-11-07 Automatic dent removing apparatus annealing furnace roll

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KR102008701B1 KR102008701B1 (en) 2019-08-09

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20160076918A (en) * 2014-12-23 2016-07-01 주식회사 포스코 Device for cleaning dance roll of annealing furnace
KR101988752B1 (en) 2017-12-11 2019-06-12 주식회사 포스코 Annealing Furnace

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02294432A (en) 1989-05-10 1990-12-05 Kawasaki Steel Corp Continuous annealing furnace enabling free exchange of hearth roll
JPH10236629A (en) 1997-02-26 1998-09-08 Nippon Steel Corp Roller surface foreign matter removing device
JP2001262239A (en) 2000-03-22 2001-09-26 Kawasaki Steel Corp Method for operating hearth roll in annealing furnace
KR20010108819A (en) * 2000-05-31 2001-12-08 이구택 Device for cleaning seal roll of bright annealing furnace
KR20020046589A (en) 2000-12-15 2002-06-21 이구택 An appratus for cleaning a roll
KR100742852B1 (en) 2005-09-13 2007-07-25 주식회사 포스코 Hearth Roll Apparatus for Annealing Furnace
KR100768322B1 (en) * 2006-11-13 2007-10-17 주식회사 포스코 Mineral-annealing roll online dressing apparatus
KR100903631B1 (en) 2002-05-29 2009-06-18 주식회사 포스코 Device for cleaning hearth roll in annealing furnace

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02294432A (en) 1989-05-10 1990-12-05 Kawasaki Steel Corp Continuous annealing furnace enabling free exchange of hearth roll
JPH10236629A (en) 1997-02-26 1998-09-08 Nippon Steel Corp Roller surface foreign matter removing device
JP2001262239A (en) 2000-03-22 2001-09-26 Kawasaki Steel Corp Method for operating hearth roll in annealing furnace
KR20010108819A (en) * 2000-05-31 2001-12-08 이구택 Device for cleaning seal roll of bright annealing furnace
KR20020046589A (en) 2000-12-15 2002-06-21 이구택 An appratus for cleaning a roll
KR100903631B1 (en) 2002-05-29 2009-06-18 주식회사 포스코 Device for cleaning hearth roll in annealing furnace
KR100742852B1 (en) 2005-09-13 2007-07-25 주식회사 포스코 Hearth Roll Apparatus for Annealing Furnace
KR100768322B1 (en) * 2006-11-13 2007-10-17 주식회사 포스코 Mineral-annealing roll online dressing apparatus

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20160076918A (en) * 2014-12-23 2016-07-01 주식회사 포스코 Device for cleaning dance roll of annealing furnace
KR101988752B1 (en) 2017-12-11 2019-06-12 주식회사 포스코 Annealing Furnace

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