KR200302687Y1 - Spray header of rolling machine - Google Patents

Spray header of rolling machine Download PDF

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Publication number
KR200302687Y1
KR200302687Y1 KR20-1999-0011541U KR19990011541U KR200302687Y1 KR 200302687 Y1 KR200302687 Y1 KR 200302687Y1 KR 19990011541 U KR19990011541 U KR 19990011541U KR 200302687 Y1 KR200302687 Y1 KR 200302687Y1
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KR
South Korea
Prior art keywords
rolling mill
backup roll
spray head
wiper
roll
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KR20-1999-0011541U
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Korean (ko)
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KR20010001201U (en
Inventor
손승락
김철희
한영환
Original Assignee
주식회사 포스코
재단법인 포항산업과학연구원
한영환
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Application filed by 주식회사 포스코, 재단법인 포항산업과학연구원, 한영환 filed Critical 주식회사 포스코
Priority to KR20-1999-0011541U priority Critical patent/KR200302687Y1/en
Publication of KR20010001201U publication Critical patent/KR20010001201U/en
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Publication of KR200302687Y1 publication Critical patent/KR200302687Y1/en

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    • 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
    • B21B37/28—Control of flatness or profile during rolling of strip, sheets or plates
    • B21B37/30—Control of flatness or profile during rolling of strip, sheets or plates using roll camber control
    • B21B37/32—Control of flatness or profile during rolling of strip, sheets or plates using roll camber control by cooling, heating or lubricating the rolls

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Nozzles (AREA)

Abstract

본 고안은 압연기의 분사헤드장치에 관한 것으로, 특히 하부백업롤(4-2)의 압연기기둥에 지지축(21)을 중심으로 회전되도록 결합되고, 실린더헤드(15)와 랙기어(16)의 전후진 이동에 의해 회전 구동되는 피니언샤프트(17)가 상기 지지축(21)과 동일축을 이루도록 설치되는 회전실린더(8)와; 그 양측면에 상기 회전실린더(8)의 몸체(20)가 고정되면서 상기 피니언샤프트(17)가 키(17-1)결합되고, 그 상단에 와이퍼(11)가 상기 하부백업롤(4-2)의 표면과 밀착되도록 결합되는 수절판(3-1)과; 상기 수절판(3-1)의 내측면 하단부에 고정되면서 상기 하부백업롤(4-2)을 향해 물과 오일을 혼합한 혼합액을 분사하도록 설치되는 분사헤드(22)로 구성되는 것을 특징으로 하는 압연기의 분사헤드장치에 관한 것이다.The present invention relates to a spray head apparatus of a rolling mill, in particular coupled to the rolling pillar of the lower backup roll (4-2) so as to rotate about the support shaft (21), the cylinder head (15) of the rack gear (16) A rotation cylinder (8) installed so that the pinion shaft (17) which is rotationally driven by the forward and backward movement is formed on the same axis as the support shaft (21); The pinion shaft 17 is coupled to the key 17-1 while the body 20 of the rotary cylinder 8 is fixed to both sides thereof, and the wiper 11 at the upper end thereof has the lower backup roll 4-2. The cutting plate (3-1) coupled to be in close contact with the surface of the; It is fixed to the lower end of the inner surface of the cutting plate (3-1) characterized in that it consists of a spray head 22 is installed to spray a mixture of water and oil mixed toward the lower backup roll (4-2) It relates to an injection head device of a rolling mill.

Description

압연기의 분사헤드장치{SPRAY HEADER OF ROLLING MACHINE}Spray head device of rolling mill {SPRAY HEADER OF ROLLING MACHINE}

본 고안은 압연기의 분사헤드장치에 관한 것으로, 특히 가열된 슬라브를 길이방향으로 압연하는 압연기의 보강롤 또는 작업롤의 표면에 냉각수와 오일이 혼합된 혼합액을 분사하여 롤표면을 도포하는 압연기의 분사헤드장치에 관한 것이다.The present invention relates to a spray head apparatus of a rolling mill, and in particular, spraying of a rolling mill to apply a roll surface by spraying a mixture of a mixture of cooling water and oil on the surface of a reinforcement roll or a work roll of a rolling mill for rolling a heated slab in a longitudinal direction. It relates to a head device.

일반적으로, 열간압연공정에서 가열된 슬라브를 길이방향으로 압연하는 압연기에는 오일펌프에서 공급되는 오일과, 냉각수펌프에서 공급되는 냉각수를 혼합하여 보강롤의 표면에 분사하는 분사헤드가 설치되어 있다.In general, the rolling mill for rolling the slab heated in the hot rolling process in the longitudinal direction is provided with an injection head for mixing the oil supplied from the oil pump and the cooling water supplied from the cooling water pump to spray the surface of the reinforcement roll.

종래에는 도1에 도시한 바와같이 고정식 분사헤드(1-1,1-2)가 냉각수와 오일을 일정비율로 혼합한 혼합액을 상하보강롤(4-1,4-2)의 표면에 분사하여 도포하게 되고, 냉각헤드(2)가 열간슬라브를 압연하는 상하작업롤(5-1,5-2)을 냉각시키기 위하여 냉각수를 분사하게 된다.In the related art, as shown in FIG. 1, the fixed spray heads 1-1 and 1-2 spray a mixture of cooling water and oil at a constant ratio onto the surfaces of the upper and lower reinforcing rolls 4-1 and 4-2. The cooling head 2 sprays the cooling water in order to cool the up and down work rolls 5-1 and 5-2 for rolling the hot slab.

이때, 종래의 분사헤드(1-1,1-2)는 상하보강롤(4-1,4-2)의 직경증감에 따라 그 선단과 롤표면 간격이 수시로 변하게 되고, 이에 따라 오일과 냉각수의 혼합액이 롤표면에 부딪히는 충돌력이 변하게 되어 그 부착효율이 떨어지면서 열간유압연효과가 급감되는 문제가 발생된다.At this time, the conventional injection head (1-1,1-2) is often changed the gap between the tip and the roll surface according to the increase and decrease of the diameter of the upper and lower reinforcing roll (4-1,4-2), according to the oil and cooling water The impact force that the mixed liquid strikes the surface of the roll is changed and the adhesion efficiency decreases, causing a problem that the hot oil rolling effect is drastically reduced.

또한, 냉각수헤드(2)로부터 상하작업롤(5-1,5-2)에 분사되는 냉각수가 분사헤드(1-2)와 하부보강롤(4-2) 사이로 침입하지 않도록 수절판(3)이 설치되어 있다.In addition, the cutting plate 3 so that the coolant injected from the coolant head 2 to the upper and lower work rolls 5-1 and 5-2 does not intrude between the spray head 1-2 and the lower reinforcing roll 4-2. Is installed.

그러나, 종래의 수절판(3)의 경우 압연기에 조절볼트로 고정되어 있기 때문에 보강롤(4-2)의 직경이 감소하게 되면 자연적으로 롤표면과의 틈을 발생시키게 되고, 이 틈을 통해 분사헤드(1-2)와 보강롤(4-2) 사이로 냉각수가 침입하여 혼합액의 분사를 방해하게 되며, 이는 하부보강롤(4-2)의 열간유압연효과를 저하시키게 된다.However, in the case of the conventional water-repellent plate (3) is fixed to the rolling mill by adjusting bolts, when the diameter of the reinforcing roll (4-2) is reduced, it naturally generates a gap with the roll surface, and sprayed through this gap Cooling water penetrates between the head 1-2 and the reinforcing roll 4-2 to hinder the injection of the mixed liquid, which lowers the hot oil rolling effect of the lower reinforcing roll 4-2.

본 고안은 오일과 냉각수의 혼합액을 분사하는 분사헤드와 롤간에 항상 일정거리를 유지시켜 주고, 수절판이 마모에 의한 롤직경의 감소에도 항상 롤표면에 밀착되도록 작동되어 하부보강롤의 열간유압연효과를 극대화할 수 있는 압연기의 분사헤드장치를 제공함에 그 목적이 있다.The present invention always maintains a certain distance between the spray head and the roll injecting a mixture of oil and cooling water, and the cutting board is operated to always adhere to the surface of the roll even when the diameter of the roll decreases due to abrasion. It is an object of the present invention to provide a spray head apparatus of a rolling mill that can maximize the effect.

도1은 종래의 압연기 분사헤드장치를 나타내는 개략도,1 is a schematic view showing a conventional mill spray head apparatus;

도2는 본 고안에 따른 압연기의 분사헤드장치를 나타내는 사시도,Figure 2 is a perspective view showing a spray head device of the rolling mill according to the present invention,

도3은 본 고안에 따른 압연기의 분사헤드장치를 나타내는 분해사시도,Figure 3 is an exploded perspective view showing a spray head device of the rolling mill according to the present invention,

도4는 본 고안에 따른 압연기의 분사헤드장치중 회전실린더를 나타내는 사시도,Figure 4 is a perspective view showing a rotating cylinder of the spray head device of the rolling mill according to the present invention,

도5a는 본 고안에 따른 압연기의 분사헤드장치중 와이퍼의 다른 실시예를 나타내는 사시도,Figure 5a is a perspective view showing another embodiment of the wiper of the spray head device of the rolling mill according to the present invention,

도5b,c는 본 고안에 따른 압연기의 분사헤드장치중 와이퍼의 작동상태를 나타내는 상태도,Figure 5b, c is a state diagram showing the operating state of the wiper of the spray head device of the rolling mill according to the present invention,

도6은 본 고안에 따른 압연기의 분사헤드장치의 작동상태를 나타내는 상태도이다.Figure 6 is a state diagram showing the operating state of the spray head device of the rolling mill according to the present invention.

<도면의 주요부분에 대한 부호의 설명><Description of the symbols for the main parts of the drawings>

1-1,1-2: 분사헤드 2: 냉각헤드 3,3-1: 수절판 4-1,4-2: 백업롤 5-1,5-2: 작업롤 8: 회전실린더 11,11-1: 와이퍼 12: 결합핀 13: 와이퍼블록 22: 분사헤드1-1,1-2: Injection head 2: Cooling head 3,3-1: Cutting board 4-1,4-2: Backup roll 5-1,5-2: Work roll 8: Rotary cylinder 11,11- 1: Wiper 12: Coupling Pin 13: Wiper Block 22: Injection Head

상기한 목적을 달성하기 위하여 본 고안은 하부백업롤의 압연기기둥에 지지축을 중심으로 회전되도록 결합되고, 실린더헤드와 랙기어의 전후진 이동에 의해 회전 구동되는 피니언샤프트가 상기 지지축과 동일축을 이루도록 설치되는 회전실린더와; 그 양측면에 상기 회전실린더의 몸체가 고정되면서 상기 피니언샤프트가 키결합되고, 그 상단에 와이퍼가 상기 하부백업롤의 표면과 밀착되도록 결합되는 수절판과; 상기 수절판의 내측면 하단부에 고정되면서 상기 하부백업롤을 향해 물과 오일을 혼합한 혼합액을 분사하도록 설치되는 분사헤드로 구성되는 것을 특징으로 하는 압연기의 분사헤드장치를 제공한다.In order to achieve the above object, the present invention is coupled to the rolling mechanism of the lower backup roll so as to rotate about the support shaft, and the pinion shaft driven to rotate by the forward and backward movement of the cylinder head and the rack gear forms the same axis as the support shaft. A rotating cylinder installed; A cutting plate to which the pinion shaft is keyed while the body of the rotary cylinder is fixed to both sides thereof, and the wiper is coupled to the top of the lower backup roll to be in close contact with the surface of the lower backup roll; It is fixed to the inner bottom surface of the cut-off plate provides a spray head device of the rolling mill, characterized in that consisting of a spray head which is installed to spray a mixture of a mixture of water and oil toward the lower backup roll.

도면을 참조하여 본 고안의 구성을 설명한다.The configuration of the present invention will be described with reference to the drawings.

도2는 본 고안에 따른 압연기의 분사헤드장치를 나타내는 사시도이고, 도3은 본 고안에 따른 압연기의 분사헤드장치를 나타내는 분해사시도이며, 도4는 본 고안에 따른 압연기의 분사헤드장치중 회전실린더를 나타내는 사시도이고, 도5a는 본고안에 따른 압연기의 분사헤드장치중 와이퍼의 다른 실시예를 나타내는 사시도이며, 도5b,c는 본 고안에 따른 압연기의 분사헤드장치중 와이퍼의 작동상태를 나타내는 상태도이고, 도6은 본 고안에 따른 압연기의 분사헤드장치의 작동상태를 나타내는 상태도이다.Figure 2 is a perspective view showing an injection head device of the rolling mill according to the present invention, Figure 3 is an exploded perspective view showing an injection head device of the rolling mill according to the present invention, Figure 4 is a rotating cylinder of the injection head device of the rolling mill according to the present invention 5A is a perspective view showing another embodiment of the wiper among the spray head apparatus of the rolling mill according to the present invention, and FIGS. 5B and C are state diagrams showing an operating state of the wiper among the spray head apparatus of the rolling mill according to the present invention. 6 is a state diagram showing an operating state of the spray head apparatus of the rolling mill according to the present invention.

본 고안에 따른 수절판(3-1)은 그 상단에 와이퍼(11)가 고정판(14)과 고정볼트(18)에 의해 고정 결합되어 있고, 그 내측면 하단부에 분사헤드(22)가 백업롤(4-2)을 향해 오일과 냉각수를 혼합한 혼합액을 분사하도록 고정 부착되어 있다.In the cutting plate 3-1 according to the present invention, the wiper 11 is fixedly coupled to the upper end by the fixing plate 14 and the fixing bolt 18, and the injection head 22 is connected to the lower end of the inner side of the backing roll. It is fixedly attached so as to spray the mixed liquid which mixed oil and cooling water toward (4-2).

또한, 수절판(3-1)의 양측에 설치되는 회전실린더(8)는 작동에어유입구(15-1,15-2)를 통해 선택적으로 에어가 공급되면 실린더헤드(15)가 전후진되면서 랙기어(16)를 이동시키게 된다.In addition, the rotary cylinder (8) is installed on both sides of the cutting plate (3-1) when the air is selectively supplied through the operating air inlet (15-1, 15-2), the cylinder head (15) is moved forward and backward rack The gear 16 is moved.

여기서, 랙기어(16)의 전후진에 의해 피니언기어(19)가 회전하게 되고, 이에 따라 피니언샤프트(17)가 회전을 하게 된다.Here, the pinion gear 19 is rotated by the forward and backward movement of the rack gear 16, so that the pinion shaft 17 is rotated.

이때, 회전실린더(8)의 몸체(20)가 수절판(3-1)의 양측면 중단부에 고정 부착되어 있고, 동시에 피니언샤프트(17)가 수절판의 양측면에 키(17-1)결합상태로 관통되어 있다.At this time, the body 20 of the rotary cylinder 8 is fixedly attached to both sides of the stop plate 3-1, and at the same time, the pinion shaft 17 is engaged with the keys 17-1 on both sides of the needle plate. Penetrated by

따라서, 피니언샤프트(17)가 회전되면서 수절판(3-1)과 몸체(20)가 한몸체가 되어 회전을 하게 된다.Therefore, the pinion shaft 17 is rotated so that the cutting plate 3-1 and the body 20 become one body.

그리고, 회전실린더(8)의 몸체(20)에는 피니언샤프트(17)의 반대측면에 지지축(21)이 피니언샤프트(17)와 동일축상에 놓이도록 설치되어 있다.The support shaft 21 is provided on the opposite side of the pinion shaft 17 so as to lie on the same axis as the pinion shaft 17 on the body 20 of the rotary cylinder 8.

여기서, 압연기기둥(10)의 내측면에 지지관(9-1)이 플랜지(9)에 의해 고정부착되어 있고, 이 지지관(9-1)에 각각 지지축(21)이 회전 가능하도록 삽입되어 있다.Here, the support tube 9-1 is fixedly attached to the inner surface of the rolling column 10 by the flange 9, and the support shaft 21 is inserted into the support tube 9-1 so as to be rotatable, respectively. It is.

한편, 와이퍼블록(13)에 의해 수절판(3-1)의 상단에 고정 결합되는 다른 실시예의 와이퍼(11-1)는 백업롤(4-2)이 틀어지는 경우 와이퍼블록(13)의 삽입홈(13-1)에 삽입된 상태로 결합핀(12)을 중심으로 회전되면서 롤표면과의 밀착상태를 그대로 유지하도록 설치되어 있다.On the other hand, the wiper 11-1 of another embodiment fixedly coupled to the upper end of the cutting plate (3-1) by the wiper block 13, the insertion groove of the wiper block 13 when the backup roll (4-2) is twisted It is installed to maintain the close contact with the roll surface while being rotated about the coupling pin 12 in the state inserted in (13-1).

이하, 본 고안의 작용을 설명한다.Hereinafter, the operation of the present invention.

열간슬라브를 압연하는 상하작업롤(5-1,5-2)을 냉각시키기 위한 냉각수가 냉각헤드(2)로부터 분사되는데, 이때 상하작업롤과 충돌되면서 비산되는 냉각수는 와이퍼(11)가 백업롤(4-2)의 표면에 밀착되는 수절판(3-1)에 의해 차단되어 분사헤드(22)측으로 침입되는 현상을 차단하게 된다.Cooling water for cooling the upper and lower work rolls (5-1, 5-2) for rolling the hot slab is injected from the cooling head (2), wherein the cooling water scattered while colliding with the vertical work roll is the wiper (11) backup roll It is blocked by the cutting plate 3-1 in close contact with the surface of (4-2) to block the phenomenon of invading to the injection head 22 side.

이때, 백업롤(4-2)의 마모로 와이퍼(11)의 선단면과 백업롤(4-2)의 표면 사이에 갭(Gap)이 발생되면 회전실린더(8)를 작동시키게 된다.At this time, when a gap Gap is generated between the front end surface of the wiper 11 and the surface of the backup roll 4-2 due to the wear of the backup roll 4-2, the rotation cylinder 8 is operated.

즉, 수절판(3-1)의 양측에 설치되는 회전실린더(8)는 작동에어유입구(15-1,15-2)를 통해 선택적으로 에어가 공급되면 실린더헤드(15)가 전후진되면서 랙기어(16)를 이동시키게 되고, 랙기어에 의해 피니언기어(19)가 회전되면서 피니언샤프트(17)가 회전된다.That is, the rotary cylinder (8) is installed on both sides of the cutting plate (3-1) when the air is selectively supplied through the operating air inlet (15-1, 15-2), the cylinder head (15) is moved forward and backward rack The gear 16 is moved, and the pinion shaft 17 is rotated while the pinion gear 19 is rotated by the rack gear.

따라서, 회전실린더(8)의 피니언샤프트(17)에 의해 수절판(3-1)은 몸체(20)와 함께 지지축(21)을 중심으로 회전되어 와이퍼(11)가 백업롤(4-2)의 표면에 밀착됨으로써 갭을 제거하게 된다.Therefore, by the pinion shaft 17 of the rotating cylinder 8, the cutting plate 3-1 is rotated about the support shaft 21 together with the body 20 so that the wiper 11 is a backup roll 4-2. The gap is removed by being in close contact with the surface.

한편, 와이퍼의 다른 사용예인 와이퍼(11-1)는 백업롤(4-2)이 틀어지는 경우 결합핀(12)을 중심으로 회전되면서 롤표면과의 밀착상태를 그대로 유지하도록 설치되어 있다.On the other hand, the wiper 11-1, which is another example of the use of the wiper, is installed to maintain the close contact with the roll surface while being rotated around the coupling pin 12 when the backup roll 4-2 is twisted.

본 고안은 오일과 냉각수의 혼합액을 분사하는 분사헤드와 롤간에 항상 일정거리를 유지시켜 주고, 수절판이 마모에 의한 롤직경의 감소에도 항상 롤표면에 밀착되도록 작동되어 하부보강롤의 열간유압연효과를 극대화할 수 있는 효과를 제공하게 된다.The present invention always maintains a certain distance between the spray head and the roll injecting a mixture of oil and cooling water, and the cutting board is operated to always adhere to the surface of the roll even when the diameter of the roll decreases due to abrasion. It will provide an effect that can maximize the effect.

Claims (2)

하부백업롤(4-2)의 압연기기둥에 지지축(21)을 중심으로 회전되도록 결합되고, 실린더헤드(15)와 랙기어(16)의 전후진 이동에 의해 회전 구동되는 피니언샤프트(17)가 상기 지지축(21)과 동일축을 이루도록 설치되는 회전실린더(8)와;The pinion shaft 17 is coupled to the rolling mechanism of the lower backup roll 4-2 so as to rotate about the support shaft 21, and is driven to rotate by the forward and backward movement of the cylinder head 15 and the rack gear 16. A rotating cylinder (8) installed so as to have the same axis as the support shaft (21); 그 양측면에 상기 회전실린더(8)의 몸체(20)가 고정되면서 상기 피니언샤프트(17)가 키(17-1)결합되고, 그 상단에 와이퍼(11)가 상기 하부백업롤(4-2)의 표면과 밀착되도록 결합되는 수절판(3-1)과;The pinion shaft 17 is coupled to the key 17-1 while the body 20 of the rotary cylinder 8 is fixed to both sides thereof, and the wiper 11 at the upper end thereof has the lower backup roll 4-2. The cutting plate (3-1) coupled to be in close contact with the surface of the; 상기 수절판(3-1)의 내측면 하단부에 고정되면서 상기 하부백업롤(4-2)을 향해 물과 오일을 혼합한 혼합액을 분사하도록 설치되는 분사헤드(22)로 구성되는 것을 특징으로 하는 압연기의 분사헤드장치.It is fixed to the lower end of the inner surface of the cutting plate (3-1) characterized in that it consists of a spray head 22 is installed to spray a mixture of water and oil mixed toward the lower backup roll (4-2) Spray head device of rolling mill. 제 1 항에 있어서,The method of claim 1, 상기 수절판(3-1)의 상단에 고정된 와이퍼블록(13)의 삽입홈(13-1)에 와이퍼(11-1)가 결합핀(12)을 중심으로 회전되도록 삽입되는 것을 특징으로 하는 압연기의 분사헤드장치.The wiper 11-1 is inserted into the insertion groove 13-1 of the wiper block 13 fixed to the upper end of the cutting plate 3-1 so as to be rotated about the coupling pin 12. Spray head device of rolling mill.
KR20-1999-0011541U 1999-06-25 1999-06-25 Spray header of rolling machine KR200302687Y1 (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100961358B1 (en) 2003-04-25 2010-06-04 주식회사 포스코 A stripper apparatus having a shield to prevent a strip unevenly cooled down by spray water
KR101344332B1 (en) 2011-10-28 2013-12-23 현대제철 주식회사 Cleaning apparatus of roll wiper
KR101515023B1 (en) * 2013-07-17 2015-04-24 주식회사 포스코 Stripper for a rolling mill

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101118301B1 (en) * 2004-12-28 2012-03-22 주식회사 포스코 Oil injection device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100961358B1 (en) 2003-04-25 2010-06-04 주식회사 포스코 A stripper apparatus having a shield to prevent a strip unevenly cooled down by spray water
KR101344332B1 (en) 2011-10-28 2013-12-23 현대제철 주식회사 Cleaning apparatus of roll wiper
KR101515023B1 (en) * 2013-07-17 2015-04-24 주식회사 포스코 Stripper for a rolling mill

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