WO2021189816A1 - 板型控制辊组及板带轧机 - Google Patents

板型控制辊组及板带轧机 Download PDF

Info

Publication number
WO2021189816A1
WO2021189816A1 PCT/CN2020/120559 CN2020120559W WO2021189816A1 WO 2021189816 A1 WO2021189816 A1 WO 2021189816A1 CN 2020120559 W CN2020120559 W CN 2020120559W WO 2021189816 A1 WO2021189816 A1 WO 2021189816A1
Authority
WO
WIPO (PCT)
Prior art keywords
control
roller
roll
cylinder
plate
Prior art date
Application number
PCT/CN2020/120559
Other languages
English (en)
French (fr)
Inventor
杨固川
杨远平
Original Assignee
中冶赛迪技术研究中心有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 中冶赛迪技术研究中心有限公司 filed Critical 中冶赛迪技术研究中心有限公司
Priority to EP20927662.5A priority Critical patent/EP4119248A4/en
Publication of WO2021189816A1 publication Critical patent/WO2021189816A1/zh

Links

Images

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
    • B21B37/28—Control of flatness or profile during rolling of strip, sheets or plates
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B13/00—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories
    • B21B13/14—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories having counter-pressure devices acting on rolls to inhibit deflection of same under load; Back-up rolls
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B29/00—Counter-pressure devices acting on rolls to inhibit deflection of same under load, e.g. backing rolls ; Roll bending devices, e.g. hydraulic actuators acting on roll shaft ends
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B31/00—Rolling stand structures; Mounting, adjusting, or interchanging rolls, roll mountings, or stand frames
    • B21B31/08—Interchanging rolls, roll mountings, or stand frames, e.g. using C-hooks; Replacing roll chocks on roll shafts
    • 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
    • B21B37/38—Control of flatness or profile during rolling of strip, sheets or plates using roll bending
    • 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
    • B21B37/58—Roll-force control; Roll-gap control
    • B21B37/62—Roll-force control; Roll-gap control by control of a hydraulic adjusting device
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B2263/00—Shape of product
    • B21B2263/04—Flatness
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B2267/00—Roll parameters
    • B21B2267/18—Roll crown; roll profile
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B2269/00—Roll bending or shifting
    • B21B2269/02—Roll bending; vertical bending of rolls
    • B21B2269/04—Work roll bending
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B2269/00—Roll bending or shifting
    • B21B2269/02—Roll bending; vertical bending of rolls
    • B21B2269/08—Back-up roll bending
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B2271/00—Mill stand parameters
    • B21B2271/02—Roll gap, screw-down position, draft position

Definitions

  • the application belongs to the technical field of plate and strip rolling mills used in the metallurgical machinery industry, and specifically relates to a plate shape control roll group and a plate and strip rolling mill.
  • the medium and heavy plate rolling mills and strip coil rolling mills used in the metallurgical machinery industry are basically conventional two-high rolling mills, four-high rolling mills, six-high rolling mills, etc.
  • the method used for shape control after their rolls are deformed by force is: Each side of the roll is set with 100-500 tons, that is, the bending force of about 1-5 MN, or the axial movement of the roll, the grinding of the roll curve and other methods.
  • the present application provides a profile control roll set and a strip rolling mill, which can at least solve the current bending technology used in conventional strip rolling mills, increase roll load and component wear consumption, and reduce the increase of intermediate rolls in six-high rolling mills.
  • roll bending technology is one of the technical problems such as the control of the plate shape, which can at least realize the direct adjustment of the upper and lower support rolls and the roll gap shape of the upper and lower work rolls to directly control the force deformation and the plate shape of the roll.
  • the profile control roll set provided by this application includes an upper control roll and a lower control roll.
  • the upper control roll is arranged above the upper roll of the strip rolling mill, and both ends are provided with upper beams connected to the upper crossbeam of the strip rolling mill.
  • Control oil cylinder the lower control roll is set under the lower roll of the strip rolling mill, and both ends are equipped with lower control oil cylinders connected with the lower beam of the strip rolling mill.
  • the upper control oil cylinder provides the control pressure acting on the upper roll by the upper control roll.
  • the lower control cylinder provides the control pressure and position acting on the lower roller to the lower control roller.
  • the upper control roller and the lower control roller are both set in the shape of a convex cylindrical surface or a double cone surface.
  • the vertical centers of the upper control roller and the lower control roller are located on the same central axis.
  • the single cylinder pressure range of the upper control cylinder and the lower control cylinder is 50-1000 tons or 0.5-10 MN.
  • the upper control roller and the lower control roller are arranged oppositely, the side of the upper control roller away from the lower control roller is connected to the upper control cylinder, and the lower control roller is away from the upper control cylinder.
  • One side of the control roller is connected to the lower control cylinder.
  • the upper control cylinder and the lower control cylinder are configured to pass through The upper control roller and the lower control roller adjust the gap of the roller set.
  • the present application also provides a two-high plate and strip mill based on the profile control roll set.
  • the two-high plate and strip mill includes a press hydraulic cylinder, an upper work roll, a lower work roll, a lower beam, an upper beam,
  • the balance device and the upper hydraulic cylinder apply the above-mentioned flatness control roll set to the two-roller strip mill, that is, the upper control cylinder controls the upper control roll to act on the upper work roll, and the lower control cylinder controls the lower control roll to act on the upper work roll. Lower the work roll.
  • the upper work roll and the lower work roll are in abutment, and the upper work roll and the lower work roll are located in the gap of the roll set between the upper control roll and the lower control roll, and The upper work roller is in contact with the upper control roller, and the lower work roller is in contact with the lower control roller.
  • the depressing hydraulic cylinder and the depressing hydraulic cylinder are respectively connected to the frame, the end of the depressing hydraulic cylinder is connected to the upper work roll through a bearing seat, and the depressing hydraulic cylinder
  • the cylinder is configured to act on the upper work roll by controlling the upper control roller; the end of the press-up hydraulic cylinder is connected to the lower work roll through a bearing seat, and the press-up hydraulic cylinder is configured to control the The lower control roller acts on the lower work roller.
  • two depressing hydraulic cylinders are provided, and the two depressing hydraulic cylinders are symmetrically arranged at both ends of the upper work roll with respect to the balance device.
  • the two press-up hydraulic cylinders are symmetrically arranged at both ends of the lower work roll with respect to the balance device.
  • the lower beam and the upper beam are respectively connected to the frame, the end of the upper control cylinder far away from the upper control roller is connected to the upper beam, and the lower control cylinder is away from the lower One end of the control roller is connected with the lower cross beam.
  • the application also provides a four-high plate and strip mill based on the profile control roll set.
  • the four-high plate and strip mill includes a pressing hydraulic cylinder, an upper support roll, an upper work roll, a lower work roll, and a lower support set on the stand.
  • Rolls, lower beams, upper beams, balance devices, and upper hydraulic cylinders apply the above-mentioned flatness control roll set to the four-roller strip mill, that is, the upper control cylinder controls the upper control roll to act on the upper support roll, and the lower
  • the control roller under the control of the control oil cylinder acts on the lower support roller.
  • the upper support roller and the lower support roller are located in the gap of the roller set between the upper control roller and the lower control roller, and the upper support roller abuts the upper control roller, so The lower support roller is in contact with the lower control roller.
  • the upper work roll and the lower work roll are in abutment, and the upper work roll and the lower work roll are located in the gap of the roll set between the upper control roll and the lower control roll, and
  • the upper work roller abuts against an end of the upper support roller away from the upper control roller, and the lower work roller abuts against an end of the lower support roller away from the lower control roller.
  • the depressing hydraulic cylinder and the depressing hydraulic cylinder are respectively connected to the frame, the end of the depressing hydraulic cylinder is connected to the upper support roller through a bearing seat, and the depressing hydraulic cylinder
  • the cylinder is configured to act on the upper support roller by controlling the upper control roller; the end of the press-up hydraulic cylinder is connected to the lower support roller through a bearing seat, and the press-up hydraulic cylinder is configured to control the The lower control roller acts on the lower support roller.
  • the two depressing hydraulic cylinders are symmetrically arranged at both ends of the upper support roller with respect to the balance device, and bear the main load.
  • the two press-up hydraulic cylinders are symmetrically arranged at both ends of the lower support roller with respect to the balance device, and bear the main load.
  • the four-high plate and strip mill is transformed from a six-high plate and strip mill, and the upper and lower middle rollers of the six-high plate and strip mill are removed.
  • the upper and lower plate-shaped control rolls and oil cylinders are added, respectively installed on the upper and lower beams, and a certain pressure is adopted to adjust the pressure and pressing position of the convex cylinder control roll. To achieve the purpose of directly controlling roll deformation and flatness.
  • the upper and lower plate type control roller set used in this application can be replaced by a special replacement tool (trolley). When the upper and lower support rollers are replaced, the upper and lower plate type control roller set can be replaced.
  • the upper and lower plate-shaped control roller set used in this application can adopt special (currently mature technology) on-machine grinding roller technology to grind the shape of the upper and lower plate-shaped control rollers and extend the replacement cycle of the upper and lower control rollers.
  • Figure 1 is a schematic diagram of the front structure of a four-high strip mill based on the profile control roll set;
  • Figure 2 is a sectional view of A-A in Figure 1;
  • Figure 3 is a schematic diagram of the rolls of a four-high strip mill based on the profile control roll set
  • Figure 4 is a schematic diagram of the rollers of the current conventional six-high rolling mill. After canceling the upper and lower middle rollers, it becomes the four-high plate and strip mill shown in Figure 3;
  • Figure 5 is a schematic diagram of the rolls of a two-high plate and strip mill based on the profile control roll set
  • Figure 6 is a schematic diagram of the position of the upper and lower control rolls (only for the four-roll mill, not limited to the combination mode shown); a is the upper and lower control rolls to the right, b is the upper and lower control rolls to the left, c is the upper control rolls to the right and the lower control rolls To the left, d means that the upper control roller is to the left and the lower control roller is to the right.
  • the marks in the figure are: 1-frame; 2-pressure hydraulic cylinder; 3-upper control roll; 4-upper support roll; 5-upper work roll; 6-lower work roll; 7-lower support roll; 8-down Control roller; 9-lower beam; 10-upper beam; 11-balance device; 12-upper control cylinder; 13-press upper hydraulic cylinder; 14-lower control cylinder.
  • this embodiment is provided with a flatness control roll group on a four-high strip mill.
  • the four-high strip mill includes a stand 1, a pressing hydraulic cylinder 2, an upper support roll 4.
  • the lower hydraulic cylinder 2 is installed on the frame 1 and acts on both ends
  • the upper hydraulic cylinder 13 is installed on the frame 1, and acts on the lower support roller 7 provided with a bearing seat (not marked) at both ends.
  • the bearing seat Both are installed on the frame and adjusted by the pressure cylinder (not marked) arranged on the side; the upper support roll 4 is configured to support the upper work roll 5, the lower support roll 7 is configured to support the lower work roll 6, and the balance device 11 is configured to To balance the weight of the upper support roller 4 and its bearing seat, it is set on the upper cross beam 10 of the machine frame 1.
  • the control roller set includes an upper control roller 3 and a lower control roller 8 arranged vertically and correspondingly, and the upper control roller 3 is arranged at Above the upper support roll of the four-high plate and strip mill, both ends of which are provided with an upper control cylinder 12 connected to the upper beam 10 of the four-high plate and strip mill.
  • the lower control roll 8 is arranged on the lower support roll of the four-high plate and strip mill 7 Below, both ends of which are provided with a lower control cylinder 14 connected to the lower crossbeam 9 of the four-high strip mill. That is, the upper control cylinder 12 provides different control pressures and positions for the upper support roller 4 to the upper control roller 3 , The lower control cylinder 14 and the lower control roll 8 provide different control pressures and positions acting on the lower support rolls to solve the current bending technology used in conventional strip rolling mills, increase roll load and parts wear consumption, and reduce six-roll mills The addition of intermediate rolls and bending roll technology controls flatness and other technical issues to directly adjust the roll gap shape of the upper and lower support rolls and the upper and lower work rolls to directly control the force deformation and flatness of the rolls.
  • the upper control roller 3 and the lower control roller 8 are arranged oppositely, the side of the upper control roller 3 away from the lower control roller 8 is connected to the upper control cylinder 12, and the side of the lower control roller 8 away from the upper control roller 3 is connected to the lower control roller.
  • the control cylinder 14 is connected.
  • the upper control roller 3 and the lower control roller 8 have a gap between the middle roller group and the upper control cylinder 12 and the lower control cylinder 14 are configured to adjust the rollers through the upper control roller 3 and the lower control roller 8. Group gap.
  • the upper control roller 3 and the lower control roller 8 are both arranged in a convex cylindrical shape, and their vertical centers are located on the same central axis.
  • the roll gap shape of the upper and lower support rolls and the upper and lower work rolls can be adjusted, as shown in Figure 6 for the position of the upper and lower control rolls.
  • a is the upper and lower control roller to the right
  • b is the upper and lower control roller to the left
  • c is the upper control roller to the right and the lower control roller to the left
  • d is the upper control roller to the left and the lower control roller to the right.
  • a double-cone shape can also be used in different embodiments to achieve the above-mentioned purpose.
  • the single cylinder pressure range of the upper control cylinder 12 and the lower control cylinder 14 in this embodiment is 50-1000 tons or 0.5-10 MN (Meganewton). Can meet the conditions of use.
  • the press-down hydraulic cylinder and the press-up hydraulic cylinder installed in the frame in this embodiment are used to adjust the upper and lower positions of the upper and lower work rolls, support rolls, and control rolls respectively, and bear the main load.
  • the difference between this embodiment and the four-high strip rolling mill provided by the above embodiment is that the flatness control roll set is applied to the two-high strip rolling mill, namely :
  • the upper support roller 4 and the lower support roller 7 are not provided, and the upper control cylinder 12 controls the upper control roller 3 to directly act on the upper work roll 5, and the lower control cylinder 14 controls the lower control roll 8 to directly act on the lower work roll 6.
  • the upper work roll 5 and the lower work roll 6 abut, and the upper work roll 5 and the lower work roll 6 are located in the gap between the upper control roll 3 and the lower control roll 8, and the upper work roll 5 is in contact with the upper work roll.
  • the control roller 3 abuts, and the lower work roller 6 abuts the lower control roller 8.
  • the depressing hydraulic cylinder 2 and the depressing hydraulic cylinder 13 are respectively connected to the frame 1, the end of the depressing hydraulic cylinder 2 is connected to the upper work roll 5 through a bearing seat, and the depressing hydraulic cylinder 2 is configured to control the upper
  • the control roll 3 acts on the upper work roll 5; the end of the upper hydraulic cylinder 13 is connected to the lower work roll 6 through a bearing seat, and the upper hydraulic cylinder 13 is configured to act on the lower work roll 6 by controlling the lower control roll 8.
  • the balance device 11 is configured to balance the weight of the upper support roller 4 and its bearing seat. Therefore, the balance device 11 is located at the position of the central axis of the frame.
  • the pressing hydraulic cylinder 2 is provided with two, two The two pressing hydraulic cylinders 2 are symmetrically arranged at both ends of the upper work roll 5 with respect to the balance device 11, and bear the main load.
  • two upper hydraulic cylinders 13 are provided, and the two upper hydraulic cylinders 13 are arranged symmetrically with respect to the balance device 11 at both ends of the lower work roll 6.
  • the lower beam 9 and the upper beam 10 are respectively connected to the frame, the upper control cylinder 12 is connected to the upper beam 10 at an end away from the upper control roller 3, and the lower control cylinder 14 is connected to the lower beam 9 at an end away from the lower control roller 8.
  • the difference between this embodiment and the four-high plate and strip mill provided by the above embodiment is that the four-high plate and strip mill is modified from a six-high plate and strip mill, namely: The upper and lower middle rollers of the six-high strip mill are removed, and the upper control cylinder 12 provides the upper control roller 3 with different control pressures and positions configured as the upper support roller 4, and the upper control cylinder 12 controls the upper control roller 3 It acts on the upper support roller 4, and the lower control roller 8 is controlled by the lower control cylinder 14 to act on the lower support roller 7.
  • the upper support roller 4 and the lower support roller 7 are located in the gap between the upper control roller 3 and the lower control roller 8, and the upper support roller 4 abuts the upper control roller 3, and the lower support roller 7 is in contact with the lower control roller.
  • the roller 8 abuts.
  • the upper work roll 5 and the lower work roll 6 abut, and the upper work roll 5 and the lower work roll 6 are located in the gap between the upper control roll 3 and the lower control roll 8, and the upper work roll 5 is in contact with the upper work roll.
  • the end of the support roller 4 away from the upper control roller 3 abuts, and the lower work roller 6 abuts against the end of the lower support roller 7 away from the lower control roller 8.
  • the depressing hydraulic cylinder 2 and the depressing hydraulic cylinder 13 are respectively connected to the frame 1, the end of the depressing hydraulic cylinder 2 is connected to the upper support roller 4 through a bearing seat, and the depressing hydraulic cylinder 2 is configured to control the upper
  • the control roller 3 acts on the upper support roller 4; the end of the upper hydraulic cylinder 13 is connected to the lower support roller 7 through a bearing seat, and the upper hydraulic cylinder 13 is configured to act on the lower support roller 7 by controlling the lower control roller 8.
  • two depressing hydraulic cylinders 2 are provided, and the two depressing hydraulic cylinders 2 are symmetrically arranged at both ends of the upper support roller 4 with respect to the balance device 11 and bear the main load.
  • two upper hydraulic cylinders 13 are provided, and the two upper hydraulic cylinders 13 are arranged symmetrically with respect to the balance device 11 at both ends of the lower support roller 7 and bear the main load.
  • An embodiment of the present application provides a profile control roll set and a strip rolling mill.
  • the profile control roll set can achieve the purpose of directly controlling roll deformation and flatness; and can reduce costs, and use special replacement tools to replace the upper and lower profile control rolls Group; It can also extend the replacement cycle of the upper and lower control rollers.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Control Of Metal Rolling (AREA)
  • Reduction Rolling/Reduction Stand/Operation Of Reduction Machine (AREA)

Abstract

一种板型控制辊组及板带轧机，板型控制辊组包括上控制辊（3）和下控制辊（8），上控制辊（3）设置在板带轧机的上辊上方，其两端均设有与板带轧机的上横梁（10）连接的上控制油缸（12），下控制辊（8）设置在板带轧机的下辊下方，其两端均设有与板带轧机的下横梁（9）连接的下控制油缸（14），由上控制油缸（12）向上控制辊（3）提供作用于上辊的控制压力及位置，由下控制油缸（14）向下控制辊（8）提供作用于下辊的控制压力及位置，通过分别调整上、下控制辊（3，8）压力与位置，实现直接调整上、下支撑辊（4，7）及上、下工作辊（5，6）辊缝形状，控制板带轧机轧辊变形及轧制板型目的。

Description

板型控制辊组及板带轧机
相关申请的交叉引用
本申请要求于2020年03月27日提交中国专利局的申请号为202010232126.7、名称为“板型控制辊组及板带轧机”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本申请属于冶金机械行业使用的板带轧机技术领域，具体涉及一种板型控制辊组及板带轧机。
背景技术
目前，冶金机械行业使用的中厚板轧机、板带卷轧机，基本上是常规二辊轧机、四辊轧机、六辊轧机等，他们的轧辊受力变形后板型控制采用的方法是：在轧辊每侧设置100～500吨，即1-5MN左右的弯辊力、或轧辊轴向移动、修磨辊形曲线等方式。其缺点是：增加了轧辊负荷、一台轧机增加了弯辊油缸+轧辊轴向移动油缸(合计约16+4＝20件油缸左右)、或特殊辊型曲线修磨；为了提高轧辊刚度而增加轧辊尺寸，如宽度5米级轧机支撑辊直径达2.0～2.4米，轧辊表层使用厚度50～100mm左右就报废，增加了轧辊、轴承、备件、及辅助设施成本。
申请内容
有鉴于此，本申请提供一种板型控制辊组及板带轧机，以至少能够解决目前常规板带轧机采用的弯辊技术、增加轧辊负荷及零件磨损消耗、减少六辊轧机增加的中间辊及弯辊技术控制板型等技术问题中的一个，进而能够至少实现直接调整上、下支撑辊及上、下工作辊辊缝形状，达到直接控制轧辊受力变形及板型目的中的一个。
本申请是通过以下技术方案来实现的：
本申请提供的一种板型控制辊组，包括上控制辊和下控制辊，上控制辊设置在板带轧机的上辊上方，其两端均设有与板带轧机的上横梁连接的上控制油缸，下控制辊设置在板带轧机的下辊下方，其两端均设有与板带轧机的下横梁连接的下控制油缸，由上控制油缸向上控制辊提供作用于上辊的控制压力及位置，由下控制油缸向下控制辊提供作用于下辊的控制压力及位置。
可选地，上控制辊、下控制辊均设置为凸柱面或双圆锥面形状。
可选地，上控制辊、下控制辊在竖向上的中心位于同一中轴线上。
可选地，上控制油缸、下控制油缸的单缸压力范围为50～1000吨或0.5-10MN。
可选地，所述上控制辊和所述下控制辊呈相对设置，所述上控制辊远离所述下控制辊的一侧与所述上控制油缸连接，所述下控制辊远离所述上控制辊一侧与所述下控制油缸连接，所述上控制辊和所述下控制辊之间具有容置中间辊组的辊组间隙，所述上控制油缸和所述下控制油缸配置成通过所述上控制辊和所述下控制辊调节所述辊组间隙。
本申请还提供一种基于板型控制辊组的二辊板带轧机，二辊板带轧机包括设置在机架上的压下液压缸、上工作辊、下工作辊、下横梁、上横梁、平衡装置和压上液压缸，将上述的板型控制辊组应用于该二辊板带轧机，即由上控制油缸控制上控制辊作用于上工作辊，由下控制油缸控制下控制辊作用于下工作辊。
可选地，所述上工作辊和所述下工作辊抵接，且所述上工作辊和所述下工作辊位于所述上控制辊和所述下控制辊之间的辊组间隙，且所述上工作辊与所述上控制辊抵接，所述下工作辊与所述下控制辊抵接。
可选地，所述压下液压缸和所述压上液压缸分别与所述机架连接，所述压下液压缸的端部通过轴承座与所述上工作辊连接，所述压下液压缸配置成通过控制所述上控制辊作用于所述上工作辊；所述压上液压缸的端部通过轴承座与所述下工作辊连接，所述压上液压缸配置成通过控制所述下控制辊作用于所述下工作辊。
可选地，所述压下液压缸设置有两个，两个所述压下液压缸相对于所述平衡装置呈对称布置于所述上工作辊的两端。
可选地，所述压上液压缸设置有两个，两个所述压上液压缸相对于所述平衡装置呈对称布置于所述下工作辊的两端。
可选地，所述下横梁和所述上横梁分别与所述机架连接，所述上控制油缸远离所述上控制辊的一端与所述上横梁连接，所述下控制油缸远离所述下控制辊一端与所述下横梁连接。
本申请还提供一种基于板型控制辊组的四辊板带轧机，四辊板带轧机包括设置在机架上的压下液压缸、上支撑辊、上工作辊、下工作辊、下支撑辊、下横梁、上横梁、平衡装置和压上液压缸，将上述的板型控制辊组应用于该四辊板带轧机，即由上控制油缸控制上控制辊作用于上支撑辊，由下控制油缸控制下控制辊作用于下支撑辊。
可选地，所述上支撑辊和所述下支撑辊位于所述上控制辊和所述下控制辊之间的辊组间隙，且所述上支撑辊与所述上控制辊抵接，所述下支撑辊与所述下控制辊抵接。
可选地，所述上工作辊和所述下工作辊抵接，且所述上工作辊和所述下工作辊位于所述上控制辊和所述下控制辊之间的辊组间隙，且所述上工作辊与所述上支撑辊远离所述上控制辊的一端抵接，所述下工作辊与所述下支撑辊远离所述下控制辊的一端抵接。
可选地，所述压下液压缸和所述压上液压缸分别与所述机架连接，所述压下液压缸的端部通过轴承座与所述上支撑辊连接，所述压下液压缸配置成通过控制所述上控制辊作用于所述上支撑辊；所述压上液压缸的端部通过轴承座与所述下支撑辊连接，所述压上液压缸配置成通过控制所述下控制辊作用于所述下支撑辊。
可选地，所述压下液压缸设置有两个，两个所述压下液压缸相对于所述平衡装置呈对称布置于所述上支撑辊的两端，并承受主要负荷。
可选地，所述压上液压缸设置有两个，两个所述压上液压缸相对于所述平衡装置呈对称布置于所述下支撑辊的两端，并承受主要负荷。
可选地，四辊板带轧机由六辊板带轧机改造而成，并拆除该六辊板带轧机的上、下中间辊。
本申请实施例的优点包括：
1、在常规二辊轧机、四辊轧机、六辊轧机，增加上下板型控制辊及油缸，分别安装在上下横梁上，并采用一定压力、调整凸柱面控制辊的压力及压靠位置，达到直接控制轧辊变形及板型目的。
2、本申请采用控制辊直接限制轧辊变形方式，没有增加轧辊负荷、减少了一台轧机的弯辊油缸+轧辊轴向移动油缸(合计油缸约16+4＝20件左右)、减小轧辊及轴承尺寸、及其备件、辅助设施成本，也减少了流体系统、电气系统、支撑辊更换吊车规格及厂房、磨辊机床规格等辅助设施成本。
3、本申请采用的上下板型控制辊组，可以采用特殊更换工具(小车)，在更换上下支撑辊时，更换上下板型控制辊组。
4、本申请采用的上下板型控制辊组，可以采用特殊(目前的成熟技术)的在机上修磨辊技术，磨削上下板型控制辊的形状，延长上下控制辊的更换周期。
本申请的其他优点、目标和特征在某种程度上将在随后的说明书中进行阐述，并且在某种程度上，基于对下文的考察研究对本领域技术人员而言将是显而易见的，或者可以从本申请的实践中得到教导。本申请的目标和其他优点可以通过下面的说明书来实现和获得。
附图说明
为了更清楚地说明本申请具体实施方式或现有技术中的技术方案，下面将对具体实施方式或现有技术描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图是本申请的一些实施方式，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
图1为基于板型控制辊组的四辊板带轧机正面结构示意图；
图2为图1中A-A剖视图；
图3为基于板型控制辊组的四辊板带轧机的辊示意图；
图4为目前常规六辊辊轧机的辊示意图，取消上下中间辊后成为图3四辊板带轧机；
图5为基于板型控制辊组的二辊板带轧机的辊示意图；
图6为上下控制辊位置示意图(仅示意四辊轧机，不限于图示组合方式)；a为上下控制辊偏右，b为上下控制辊偏左，c为上控制辊偏右而下控制辊偏左，d为上控制辊偏左而下控制辊偏右。
图中标记为：1-机架；2-压下液压缸；3-上控制辊；4-上支撑辊；5-上工作辊；6-下工作辊；7-下支撑辊；8-下控制辊；9-下横梁；10-上横梁；11-平衡装置；12-上控制油缸；13-压上液压缸；14-下控制油缸。
具体实施方式
以下通过特定的具体实例说明本申请的实施方式，本领域技术人员可 由本说明书所揭露的内容轻易地了解本申请的其他优点与功效。本申请还可以通过另外不同的具体实施方式加以实施或应用，本说明书中的各项细节也可以基于不同观点与应用，在没有背离本申请的精神下进行各种修饰或改变。需要说明的是，以下实施例中所提供的图示仅以示意方式说明本申请的基本构想，在不冲突的情况下，以下实施例及实施例中的特征可以相互组合。
本实施例的附图中相同或相似的标号对应相同或相似的部件；在本实施例的描述中，需要理解的是，若有术语“上”、“下”、“左”、“右”、“前”、“后”等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本实施例和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此附图中描述位置关系的用语仅用于示例性说明，不能理解为对本技术方案的限制，对于本领域的普通技术人员而言，可以根据具体情况理解上述术语的具体含义。
如图1-3所示，本实施例是在四辊板带轧机上设置板型控制辊组的，该四辊板带轧机包括有机架1、压下液压缸2、上支撑辊4、上工作辊5、下工作辊6、下支撑辊7、下横梁9、上横梁10、平衡装置11和压上液压缸13，压下液压缸2安装在机架1上，并作用在两端设有轴承座(未标记)的上支撑辊4上，压上液压缸13安装在机架1上，并作用在两端设有轴承座(未标记)的下支撑辊7上，该轴承座均安装机架上并由侧面布置的压紧液压缸(未标记)调节间隙；上支撑辊4配置成支撑上工作辊5，下支撑辊7配置成支撑下工作辊6，平衡装置11配置成平衡上支撑辊4及其轴承座的重量，设于机架1的上横梁10上；本控制辊组包括呈上下对应设置的上控制辊3和下控制辊8，该上控制辊3设置在四辊板带轧机的上支撑辊上方，其两端 均设有与四辊板带轧机的上横梁10连接的上控制油缸12，该下控制辊8设置在四辊板带轧机的下支撑辊7下方，其两端均设有与四辊板带轧机的下横梁9连接的下控制油缸14，即由上控制油缸12向上控制辊3提供作用于上支撑辊4的不同的控制压力及位置，由下控制油缸14向下控制辊8提供作用于下支撑辊的不同的控制压力及位置，以解决目前常规板带轧机采用的弯辊技术、增加轧辊负荷及零件磨损消耗、减少六辊轧机增加的中间辊及弯辊技术控制板型等技术问题，实现直接调整上、下支撑辊及上、下工作辊辊缝形状，达到直接控制轧辊受力变形及板型目的。
需要说明的是，上控制辊3和下控制辊8呈相对设置，上控制辊3远离下控制辊8的一侧与上控制油缸12连接，下控制辊8远离上控制辊3一侧与下控制油缸14连接，上控制辊3和下控制辊8之间具有容置中间辊组的辊组间隙，上控制油缸12和下控制油缸14配置成通过上控制辊3和下控制辊8调节辊组间隙。
本实施例中的上控制辊3、下控制辊8均设置为凸柱面形状，且两者在竖向上的中心位于同一中轴线上。这样，以配合其各自两端的上控制油缸12和下控制油缸14的缸压大小，可实现调整上、下支撑辊及上、下工作辊辊缝形状，如图6所示为上下控制辊位置示意图，其中a为上下控制辊偏右，b为上下控制辊偏左，c为上控制辊偏右而下控制辊偏左，d为上控制辊偏左而下控制辊偏右。当然在不同的实施例中还可采用双圆锥面形状，也能达到上述的目的。
本实施例中的上控制油缸12、下控制油缸14的单缸压力范围为50～1000吨或0.5-10MN(兆牛)。可满足使用条件。
本实施例中的机架内安装的压下液压缸和压上液压缸用作分别调整上、下工作辊、支撑辊、控制辊的上下位置，并承受主要负荷。
如图5所示，本实施例与上述实施例提供的四辊板带轧机上设置板型控制辊组不同之处在于，将上述的板型控制辊组应用于该二辊板带轧机，即:不设置上支撑辊4和下支撑辊7，并由上控制油缸12控制上控制辊3直接作用于上工作辊5，由下控制油缸14控制下控制辊8直接作用于下工作辊6。
可选地，上工作辊5和下工作辊6抵接，且上工作辊5和下工作辊6位于上控制辊3和下控制辊8之间的辊组间隙，且上工作辊5与上控制辊3抵接，下工作辊6与下控制辊8抵接。
需要说明的是，上工作辊5和下工作辊6之间具有轧板通过的间隙，且上工作辊5和下工作辊6分别对轧板进行负荷挤压。
可选地，压下液压缸2和压上液压缸13分别与机架1连接，压下液压缸2的端部通过轴承座与上工作辊5连接，压下液压缸2配置成通过控制上控制辊3作用于上工作辊5；压上液压缸13的端部通过轴承座与下工作辊6连接，压上液压缸13配置成通过控制下控制辊8作用于下工作辊6。
需要说明的是，平衡装置11配置成平衡上支撑辊4及其轴承座的重量，因此平衡装置11位于机架的中轴线的位置，可选地，压下液压缸2设置有两个，两个压下液压缸2相对于平衡装置11呈对称布置于上工作辊5的两端，并承受主要负荷。
可选地，压上液压缸13设置有两个，两个压上液压缸13相对于平衡装置11呈对称布置于下工作辊6的两端。
可选地，下横梁9和上横梁10分别与机架连接，上控制油缸12远离上控制辊3的一端与上横梁10连接，下控制油缸14远离下控制辊8一端与下横梁9连接。
如图4所示，本实施例与上述实施例提供的四辊板带轧机上设置板型 控制辊组不同之处在于，将四辊板带轧机由六辊板带轧机改造而成，即：拆除该六辊板带轧机的上、下中间辊，由上控制油缸12向上控制辊3提供作配置成上支撑辊4的不同的控制压力及位置，并由上控制油缸12控制上控制辊3作用在上支撑辊4，由下控制油缸14控制下控制辊8作用在下支撑辊7。
可选地，上支撑辊4和下支撑辊7位于上控制辊3和下控制辊8之间的辊组间隙，且上支撑辊4与上控制辊3抵接，下支撑辊7与下控制辊8抵接。
可选地，上工作辊5和下工作辊6抵接，且上工作辊5和下工作辊6位于上控制辊3和下控制辊8之间的辊组间隙，且上工作辊5与上支撑辊4远离上控制辊3的一端抵接，下工作辊6与下支撑辊7远离下控制辊8的一端抵接。
需要说明的是，上工作辊5和下工作辊6之间具有轧板通过的间隙，且上工作辊5和下工作辊6分别对轧板进行负荷挤压。
可选地，压下液压缸2和压上液压缸13分别与机架1连接，压下液压缸2的端部通过轴承座与上支撑辊4连接，压下液压缸2配置成通过控制上控制辊3作用于上支撑辊4；压上液压缸13的端部通过轴承座与下支撑辊7连接，压上液压缸13配置成通过控制下控制辊8作用于下支撑辊7。
可选地，压下液压缸2设置有两个，两个压下液压缸2相对于平衡装置11呈对称布置于上支撑辊4的两端，并承受主要负荷。
可选地，压上液压缸13设置有两个，两个压上液压缸13相对于平衡装置11呈对称布置于下支撑辊7的两端，并承受主要负荷。
上所述仅为本申请的优选实施例，并不配置成限制本申请，显然，本领域的技术人员可以对本申请进行各种改动和变型而不脱离本申请的精神 和范围。这样，倘若本申请的这些修改和变型属于本申请权利要求及其等同技术的范围之内，则本申请也意图包含这些改动和变型在内。
工业实用性
本申请实施例提供的一种板型控制辊组及板带轧机，该板型控制辊组能够达到直接控制轧辊变形及板型目的；并且能够减少成本，采用特殊更换工具更换上下板型控制辊组；还能够延长上下控制辊的更换周期。

Claims (18)

  1. 板型控制辊组，其特征在于，包括上控制辊(3)和下控制辊(8)，所述上控制辊设置在板带轧机的上辊上方，其两端均设有与板带轧机的上横梁(10)连接的上控制油缸(12)，所述下控制辊设置在板带轧机的下辊下方，其两端均设有与板带轧机的下横梁(9)连接的下控制油缸(14)，由上控制油缸(12)向上控制辊(3)提供作用于上辊的控制压力及位置，由下控制油缸向下控制辊提供作用于下辊的控制压力及位置。
  2. 根据权利要求1所述的板型控制辊组，其特征在于，所述上控制辊、下控制辊均设置为凸柱面或双圆锥面形状。
  3. 根据权利要求1或2所述的板型控制辊组，其特征在于，所述上控制辊、下控制辊在竖向上的中心位于同一中轴线上。
  4. 根据权利要求1-3任一项所述的板型控制辊组，其特征在于，所述上控制油缸、下控制油缸的单缸压力范围为50～1000吨。
  5. 根据权利要求1-4任一项所述的板型控制辊组，其特征在于，所述上控制辊(3)和所述下控制辊(8)呈相对设置，所述上控制辊(3)远离所述下控制辊(8)的一侧与所述上控制油缸(12)连接，所述下控制辊(8)远离所述上控制辊(3)一侧与所述下控制油缸(14)连接，所述上控制辊(3)和所述下控制辊(8)之间具有容置中间辊组的辊组间隙，所述上控制油缸(12)和所述下控制油缸(14)配置成通过所述上控制辊(3)和所述下控制辊(8)调节所述辊组间隙。
  6. 基于板型控制辊组的二辊板带轧机，所述二辊板带轧机包括设置在机架(1)上的压下液压缸(2)、上工作辊(5)、下工作辊(6)、下横梁(9)、上横梁(10)、平衡装置(11)和压上液压缸(13)，其特征在于，将如权利要求1-5任一项所述的板型控制辊组应用于该二辊板带轧机，即由上控制 油缸控制上控制辊作用于上工作辊，由下控制油缸控制下控制辊作用于下工作辊。
  7. 根据权利要求6所述的基于板型控制辊组的二辊板带轧机，其特征在于，所述上工作辊(5)和所述下工作辊(6)抵接，且所述上工作辊(5)和所述下工作辊(6)位于所述上控制辊(3)和所述下控制辊(8)之间的辊组间隙，且所述上工作辊(5)与所述上控制辊(3)抵接，所述下工作辊(6)与所述下控制辊(8)抵接。
  8. 根据权利要求7所述的基于板型控制辊组的二辊板带轧机，其特征在于，所述压下液压缸(2)和所述压上液压缸(13)分别与所述机架(1)连接，所述压下液压缸(2)的端部通过轴承座与所述上工作辊(5)连接，所述压下液压缸(2)配置成通过控制所述上控制辊(3)作用于所述上工作辊(5)；所述压上液压缸(13)的端部通过轴承座与所述下工作辊(6)连接，所述压上液压缸(13)配置成通过控制所述下控制辊(8)作用于所述下工作辊(6)。
  9. 根据权利要求8所述的基于板型控制辊组的二辊板带轧机，其特征在于，所述压下液压缸(2)设置有两个，两个所述压下液压缸(2)相对于所述平衡装置(11)呈对称布置于所述上工作辊(5)的两端。
  10. 根据权利要求8或9所述的基于板型控制辊组的二辊板带轧机，其特征在于，所述压上液压缸(13)设置有两个，两个所述压上液压缸(13)相对于所述平衡装置(11)呈对称布置于所述下工作辊(6)的两端。
  11. 根据权利要求8-10任一项所述的基于板型控制辊组的二辊板带轧机，其特征在于，所述下横梁(9)和所述上横梁(10)分别与所述机架连接，所述上控制油缸(12)远离所述上控制辊(3)的一端与所述上横梁(10)连接，所述下控制油缸(14)远离所述下控制辊(8)一端与所述下横梁(9) 连接。
  12. 基于板型控制辊组的四辊板带轧机，所述四辊板带轧机包括设置在机架(1)上的压下液压缸(2)、上支撑辊(4)、上工作辊(5)、下工作辊(6)、下支撑辊(7)、下横梁(9)、上横梁(10)、平衡装置(11)和压上液压缸(13)，其特征在于，将如权利要求1-5任一项所述的板型控制辊组应用于该四辊板带轧机，即由上控制油缸控制上控制辊作用于上支撑辊，由下控制油缸控制下控制辊作用于下支撑辊。
  13. 根据权利要求12所述的基于板型控制辊组的四辊板带轧机，其特征在于，所述上支撑辊(4)和所述下支撑辊(7)位于所述上控制辊(3)和所述下控制辊(8)之间的辊组间隙，且所述上支撑辊(4)与所述上控制辊(3)抵接，所述下支撑辊(7)与所述下控制辊(8)抵接。
  14. 根据权利要求13所述的基于板型控制辊组的四辊板带轧机，其特征在于，所述上工作辊(5)和所述下工作辊(6)抵接，且所述上工作辊(5)和所述下工作辊(6)位于所述上控制辊(3)和所述下控制辊(8)之间的辊组间隙，且所述上工作辊(5)与所述上支撑辊(4)远离所述上控制辊(3)的一端抵接，所述下工作辊(6)与所述下支撑辊(7)远离所述下控制辊(8)的一端抵接。
  15. 根据权利要求14所述的基于板型控制辊组的四辊板带轧机，其特征在于，所述压下液压缸(2)和所述压上液压缸(13)分别与所述机架(1)连接，所述压下液压缸(2)的端部通过轴承座与所述上支撑辊(4)连接，所述压下液压缸(2)配置成通过控制所述上控制辊(3)作用于所述上支撑辊(4)；所述压上液压缸(13)的端部通过轴承座与所述下支撑辊(7)连接，所述压上液压缸(13)配置成通过控制所述下控制辊(8)作用于所述下支撑辊(7)。
  16. 根据权利要求15所述的基于板型控制辊组的二辊板带轧机，其特征在于，所述压下液压缸(2)设置有两个，两个所述压下液压缸(2)相对于所述平衡装置(11)呈对称布置于所述上支撑辊(4)的两端。
  17. 根据权利要求15或16所述的基于板型控制辊组的二辊板带轧机，其特征在于，所述压上液压缸(13)设置有两个，两个所述压上液压缸(13)相对于所述平衡装置(11)呈对称布置于所述下支撑辊(7)的两端。
  18. 根据权利要求12-17任一项所述的基于板型控制辊组的四辊板带轧机，其特征在于，所述四辊板带轧机由六辊板带轧机改造而成，并拆除该六辊板带轧机的上、下中间辊。
PCT/CN2020/120559 2020-03-27 2020-10-13 板型控制辊组及板带轧机 WO2021189816A1 (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP20927662.5A EP4119248A4 (en) 2020-03-27 2020-10-13 FLAT SHAPE DRIVE ROLLER GROUP AND FLAT BELT ROLLER

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202010232126.7A CN111318578A (zh) 2020-03-27 2020-03-27 板型控制辊组及板带轧机
CN202010232126.7 2020-03-27

Publications (1)

Publication Number Publication Date
WO2021189816A1 true WO2021189816A1 (zh) 2021-09-30

Family

ID=71166056

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2020/120559 WO2021189816A1 (zh) 2020-03-27 2020-10-13 板型控制辊组及板带轧机

Country Status (3)

Country Link
EP (1) EP4119248A4 (zh)
CN (1) CN111318578A (zh)
WO (1) WO2021189816A1 (zh)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111318578A (zh) * 2020-03-27 2020-06-23 中冶赛迪技术研究中心有限公司 板型控制辊组及板带轧机
CN113510150B (zh) * 2021-05-26 2023-03-21 杭州奥星实业有限公司 一种板带控制系统及其控制方法

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6133705A (ja) * 1984-07-24 1986-02-17 Ube Ind Ltd 圧延機
JP2002210506A (ja) * 2001-01-16 2002-07-30 Kawasaki Heavy Ind Ltd 圧延機および圧延方法
CN201516437U (zh) * 2009-09-24 2010-06-30 朱勉学 支撑辊辊身带有液压压下装置的钢板轧机
CN102744266A (zh) * 2012-06-26 2012-10-24 中国重型机械研究院有限公司 一种可变挠度四辊轧机
KR20140118473A (ko) * 2013-03-29 2014-10-08 씨아이에스(주) 벤딩장치를 구비하는 압연기
CN104438318A (zh) * 2013-09-16 2015-03-25 钱钢 一种多辊可换式冷轧机
CN111318578A (zh) * 2020-03-27 2020-06-23 中冶赛迪技术研究中心有限公司 板型控制辊组及板带轧机
CN212093736U (zh) * 2020-03-27 2020-12-08 中冶赛迪技术研究中心有限公司 板型控制辊组及板带轧机

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2985042A (en) * 1959-04-30 1961-05-23 United Eng Foundry Co Rolling mill
FR2645458A1 (fr) * 1989-04-11 1990-10-12 Durand Texte Ludovic Procede de correction du cintrage des cylindres de laminage dans une installation de laminage

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6133705A (ja) * 1984-07-24 1986-02-17 Ube Ind Ltd 圧延機
JP2002210506A (ja) * 2001-01-16 2002-07-30 Kawasaki Heavy Ind Ltd 圧延機および圧延方法
CN201516437U (zh) * 2009-09-24 2010-06-30 朱勉学 支撑辊辊身带有液压压下装置的钢板轧机
CN102744266A (zh) * 2012-06-26 2012-10-24 中国重型机械研究院有限公司 一种可变挠度四辊轧机
KR20140118473A (ko) * 2013-03-29 2014-10-08 씨아이에스(주) 벤딩장치를 구비하는 압연기
CN104438318A (zh) * 2013-09-16 2015-03-25 钱钢 一种多辊可换式冷轧机
CN111318578A (zh) * 2020-03-27 2020-06-23 中冶赛迪技术研究中心有限公司 板型控制辊组及板带轧机
CN212093736U (zh) * 2020-03-27 2020-12-08 中冶赛迪技术研究中心有限公司 板型控制辊组及板带轧机

Also Published As

Publication number Publication date
EP4119248A4 (en) 2023-08-23
CN111318578A (zh) 2020-06-23
EP4119248A1 (en) 2023-01-18

Similar Documents

Publication Publication Date Title
CN1780702B (zh) 轧机配置的变换方法和使用这种方法的改进型轧机
WO2021189816A1 (zh) 板型控制辊组及板带轧机
KR20050084993A (ko) 금속 제품 압연 설비의 생산 범위를 증가시키기 위한 방법및 그 방법을 위한 설비
US6748782B1 (en) Rolling mill, looseness eliminating device of roll bearing housing, rolling method, method of modifying rolling mill, and hot finishing tandem rolling equipment
US7251978B2 (en) Roll stand for producing plane roll strips having a desired strip profile superelevation
US8695392B2 (en) Rolling mill and tandem rolling mill having the same
CN212093736U (zh) 板型控制辊组及板带轧机
CN202824155U (zh) 一种具有多个压下油缸的可变挠度四辊轧机
CA2431924C (en) Rolling stand for hot rolling or cold rolling of metallic strip material
US4676085A (en) Rolling mill for controlling the contour of a workpiece
CN102481606A (zh) 以盒式结构形式的4辊/6辊/18hs辊轧机架
US20070095121A1 (en) Combined operating modes and frame types in tandem cold rolling mills
WO2019221297A1 (ja) 圧延機及び圧延機の設定方法
JPS61126903A (ja) 板材の圧延方法および圧延機
EP0626218B1 (en) Improved sizing stand for rolling hot-rolled bars
RU2198750C2 (ru) Прокатный стан для листового или полосового проката
CN220092525U (zh) 一种改进型精轧立辊轧机
CN215696776U (zh) 一种六辊轧机弯辊装置结构
US20230415211A1 (en) Roll device for rolling metal strips, roll arrangement for use in such a roll device and method for converting a roll device
CN202283546U (zh) 四六辊互换轧机的弯辊装置
CN102441572B (zh) 四六辊互换轧机的弯辊装置
JPS605364B2 (ja) クラスタ−圧延機
CN202638862U (zh) 一种多辊轧机
CN1246393A (zh) 交叉轧机
JPS62151203A (ja) 板材の圧延方法

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 20927662

Country of ref document: EP

Kind code of ref document: A1

ENP Entry into the national phase

Ref document number: 2020927662

Country of ref document: EP

Effective date: 20221014

NENP Non-entry into the national phase

Ref country code: DE