WO2014023071A1 - A withdrawal and straightening machine for a large square billet continuous casting machine - Google Patents

A withdrawal and straightening machine for a large square billet continuous casting machine Download PDF

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Publication number
WO2014023071A1
WO2014023071A1 PCT/CN2012/085392 CN2012085392W WO2014023071A1 WO 2014023071 A1 WO2014023071 A1 WO 2014023071A1 CN 2012085392 W CN2012085392 W CN 2012085392W WO 2014023071 A1 WO2014023071 A1 WO 2014023071A1
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Prior art keywords
rollers
upper roller
straightening machine
machine
hydraulic cylinders
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PCT/CN2012/085392
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French (fr)
Chinese (zh)
Inventor
杨智军
彭晓华
曾珊
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中冶赛迪工程技术股份有限公司
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Publication of WO2014023071A1 publication Critical patent/WO2014023071A1/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
    • B22D11/12—Accessories for subsequent treating or working cast stock in situ

Definitions

  • the utility model relates to a tension leveler.
  • An object of the present invention is to provide a fan-shaped tension leveler for a bloomer with a plurality of upper rolls.
  • a fan-shaped horizontal straightening machine for a bloom continuous casting machine the tension leveler includes a set of upper and lower nip rollers, the upper roller is fixed on the upper roller frame, and the hydraulic cylinder drives the upper roller frame up and down. Moving, the lower roller is below the upper roller, and the upper roller is provided with a driving roller with a belt transmission, characterized in that the number of the upper rollers is two or more.
  • two hydraulic cylinders for moving the upper roller frame up and down are provided, and the hydraulic cylinder is provided with a position sensor and a pressure sensor, which is convenient for controlling the pressing of the upper roller. Volume and pressure.
  • the number of the upper and lower rolls is the same.
  • the number of the upper rollers is 2 to 5.
  • the number of the upper rolls is 2 to 5.
  • the utility model has the advantages of compact and novel structure, small occupied space, convenient equipment layout, convenient operation and maintenance, and a plurality of upper and lower rollers are installed by pressing, and a plurality of upper rollers are pressed together under the action of light pressing, so that the casting blank is larger
  • the area has a light pressing effect at the same time, which is larger than the area under the single roll pressing, and has a good effect, can effectively improve the internal quality of the slab, and can be widely used in a bloom continuous casting machine with a light pressing function.
  • Figure 1 is a schematic view of the structure of the present invention.
  • the member 1 is a motor
  • the member 2 is a coupling
  • the member 3 is a speed reducer
  • the member 4 is an upper roller frame
  • the member 5 is an upper roller
  • the member 6 is a tensioning machine frame
  • the member 7 is a lower roller.
  • the member 8 is a guide
  • the member 9 is a hydraulic cylinder
  • the member 10 is a displacement sensor.
  • a fan-shaped horizontal straightening machine for a bloom casting machine includes an upper roller 5 fixed to the upper roller frame 4, the hydraulic cylinder 9 drives the upper roller frame 4 to move up and down, and is disposed below the upper roller 5 to be fixed to the tension leveler
  • the hydraulic cylinder 9 When the spindle bar or the slab is required to be conveyed, the hydraulic cylinder 9 is depressed, the motor 1 drives the upper roller 5 to rotate by the coupling 2 and the speed reducer 3, and the upper roller 5 feeds the spindle bar by friction or when casting Achieve the blank.
  • the upper two hydraulic cylinders 9 pass the displacement sensor and the pressure sensor, and the upper roller is used to lift and lower the slab by the upper roller frame. Since the upper roller frame is equipped with several rollers, a large area can be realized. Pressing, the effect is much better than the original single roller. At the same time, it is also possible to control the pressing sequence of the two hydraulic cylinders to meet the requirements of different steel grades for the control of the soft reduction position and the soft reduction of the casting blank.
  • the utility model controls the pressing force and the pressing amount of the upper roller by two hydraulic cylinders respectively, and according to the production process conditions, a plurality of fan-shaped tensioning machines can also be arranged to solve the position change of the end freezing point and the sizing of different steel grades.
  • the change requirements for the soft pressing of the casting blank are simple in structure, convenient in replacement, short in replacement time, reliable in operation, energy saving and consumption reduction, and have good application prospects and large promotion value.

Abstract

A withdrawal and straightening machine for a large square billet continuous casting machine comprises a group of upper clamping rollers (5) and a group of lower clamping rollers (7). The upper rollers (5) are fixed on an upper roller frame (4) which is driven by hydraulic cylinders (9) to move up and down. The lower rollers (7) are arranged below the upper rollers (5) and the upper and lower rollers are provided with drive rollers with transmission devices. The number of the upper rollers is more than two, the number of the lower rollers is same with that of the upper rollers and the number of the hydraulic cylinders for driving the upper roller frame to move up and down is two. The drive rollers are provided with the transmission devices and the hydraulic cylinders are provided with displacement sensors (10) for detecting the position of the upper rollers. The withdrawal and straightening machine controls different rolling reduction by the two hydraulic cylinders respectively; thus it can meet the requirements of position change of freezing point at tail end of different steels on casting blank light pressing, and has characteristics of simple structure, convenient replacement, energy conservation and consumption reduction.

Description

[根据细则37.2由ISA制定的发明名称]　一种大方坯连铸机用拉矫机[Name of invention made by ISA according to Rule 37.2] A tension leveler for bloom casting machine 技术领域Technical field
本实用新型涉及一种拉矫机。The utility model relates to a tension leveler.
背景技术Background technique
现在的大方坯连铸机对铸坯的质量要求越来越高，因此在大方坯连铸机采用一些新的技术和装备。现有的拉矫机虽然可以实现送引锭杆和拉坯的功能,有些拉矫机也具有轻压下功能，由于采用单机架和单辊压下，轻压下的结果不能达到理想的效果。Today's bloom casters are increasingly demanding the quality of slabs, so some new techniques and equipment are used in the bloom caster. Although the existing tension leveling machine can realize the function of feeding the spindle bar and the drawing blank, some of the tension leveling machines also have the function of light pressing. Due to the single frame and single roller pressing, the result of the light pressing can not achieve the desired effect. .
实用新型内容Utility model content
本实用新型的目的是提供一种带有多个上辊的大方坯连铸机用扇形拉矫机。SUMMARY OF THE INVENTION An object of the present invention is to provide a fan-shaped tension leveler for a bloomer with a plurality of upper rolls.
为了实现上述目的，采用以下技术方案：一种大方坯连铸机用扇形拉矫机，拉矫机包括上下各一组夹辊，上辊固定在上辊架上，液压缸带动上辊架上下运动，下辊在上辊的下方，上辊中设置有带传动装置的驱动辊，其特征在于：所述上辊的数量为两个以上。In order to achieve the above object, the following technical solution is adopted: a fan-shaped horizontal straightening machine for a bloom continuous casting machine, the tension leveler includes a set of upper and lower nip rollers, the upper roller is fixed on the upper roller frame, and the hydraulic cylinder drives the upper roller frame up and down. Moving, the lower roller is below the upper roller, and the upper roller is provided with a driving roller with a belt transmission, characterized in that the number of the upper rollers is two or more.
作为进一步的优化，为了便于控制上辊的压下量和压下力，带动上辊架上下运动的液压缸为2个，液压缸上设置有位置传感器和压力传感器，便于控制上辊的压下量和压下力。As a further optimization, in order to facilitate the control of the pressing amount and the pressing force of the upper roller, two hydraulic cylinders for moving the upper roller frame up and down are provided, and the hydraulic cylinder is provided with a position sensor and a pressure sensor, which is convenient for controlling the pressing of the upper roller. Volume and pressure.
所述上辊与下辊的数量一致。The number of the upper and lower rolls is the same.
所述上辊的数量：2~5个。 The number of the upper rollers is 2 to 5.
所述上辊的数量为2~5个。The number of the upper rolls is 2 to 5.
上辊中设置有1~2个带传动装置的驱动辊，电机通过联轴器及减速机驱动辊子转动。There are 1~2 drive rollers with a transmission in the upper roller, and the motor drives the rollers to rotate through the coupling and the reducer.
本实用新型结构紧凑新颖，占有空间小，设备布置方便，便于操作及检修，通过安装有多个上下辊，在实施轻压下动作时多个上辊一起压下,使得铸坯在一个较大的区域同时有轻压下的效果,比单辊压下的区域大,效果好,可以有效地提高铸坯的内部质量，同时可广泛用于具有轻压下功能的大方坯连铸机。The utility model has the advantages of compact and novel structure, small occupied space, convenient equipment layout, convenient operation and maintenance, and a plurality of upper and lower rollers are installed by pressing, and a plurality of upper rollers are pressed together under the action of light pressing, so that the casting blank is larger The area has a light pressing effect at the same time, which is larger than the area under the single roll pressing, and has a good effect, can effectively improve the internal quality of the slab, and can be widely used in a bloom continuous casting machine with a light pressing function.
附图说明DRAWINGS
图1是本实用新型的结构示意图。Figure 1 is a schematic view of the structure of the present invention.
图中，件1是电机，件2是联轴器，件3是减速机，件4是上辊架，件5是上辊，件6是拉矫机框架，件7是下辊， 件8是导向装置， 件9是液压缸， 件10是位移传感器。In the figure, the member 1 is a motor, the member 2 is a coupling, the member 3 is a speed reducer, the member 4 is an upper roller frame, the member 5 is an upper roller, the member 6 is a tensioning machine frame, and the member 7 is a lower roller. The member 8 is a guide, the member 9 is a hydraulic cylinder, and the member 10 is a displacement sensor.
本发明的实施方式Embodiments of the invention
下面结合附图对本实用新型的具体实施例作进一步详细的说明，但本实用新型并不局限于这些实施方式，任何在本实施例基本精神上的改进或替代，仍属于本实用新型权利要求所要求保护的范围。 The embodiments of the present invention are further described in detail below with reference to the accompanying drawings, but the present invention is not limited to the embodiments, and any improvement or substitution in the basic spirit of the embodiment still belongs to the claims of the present invention. The scope of the claim.
一种大方坯连铸机用扇形拉矫机，包括固定于上辊架4的上辊5，液压缸9带动上辊架4进行上下运动，在上辊5的下方设置有固定于拉矫机框架6上的下辊7，电机1通过减速机3带动上辊5转动，其中上辊5和下辊7的数量均为4个，在液压缸上设置有对上辊的位置进行检测的位移传感器。A fan-shaped horizontal straightening machine for a bloom casting machine includes an upper roller 5 fixed to the upper roller frame 4, the hydraulic cylinder 9 drives the upper roller frame 4 to move up and down, and is disposed below the upper roller 5 to be fixed to the tension leveler The lower roller 7 on the frame 6, the motor 1 drives the upper roller 5 to rotate by the speed reducer 3, wherein the number of the upper roller 5 and the lower roller 7 is four, and the hydraulic cylinder is provided with a displacement for detecting the position of the upper roller. sensor.
当需要输送引锭杆或拉铸坯时，液压缸9压下，电机1通过联轴器2及减速机3驱动上辊5转动，上辊5通过摩擦力进行送引锭杆或在浇铸时实现拉坯。When the spindle bar or the slab is required to be conveyed, the hydraulic cylinder 9 is depressed, the motor 1 drives the upper roller 5 to rotate by the coupling 2 and the speed reducer 3, and the upper roller 5 feeds the spindle bar by friction or when casting Achieve the blank.
上框架两个液压缸9通过位移传感器和压力传感器，通过上辊架升降带动上辊对铸坯进行轻压下,由于上辊架装有几个辊子,这样就可以实现一个较大区域的轻压下,比原来的单辊子轻压下效果要好的多. 同时也可以控制两个液压缸的压下顺序，满足不同的钢种对铸坯轻压下位置和轻压下量的控制的要求。The upper two hydraulic cylinders 9 pass the displacement sensor and the pressure sensor, and the upper roller is used to lift and lower the slab by the upper roller frame. Since the upper roller frame is equipped with several rollers, a large area can be realized. Pressing, the effect is much better than the original single roller. At the same time, it is also possible to control the pressing sequence of the two hydraulic cylinders to meet the requirements of different steel grades for the control of the soft reduction position and the soft reduction of the casting blank.
本实用新型通过两个液压缸分别控制上辊子压下力和压下量,根据生产工艺条件，也可配置多台扇形拉矫机来解决不同的钢种的末端凝固点位置变化和液芯大小的变化对铸坯轻压下提出的要求，结构简单，更换方便，更换时间短，工作可靠，节能降耗，具有很好的应用前景和较大的推广价值。The utility model controls the pressing force and the pressing amount of the upper roller by two hydraulic cylinders respectively, and according to the production process conditions, a plurality of fan-shaped tensioning machines can also be arranged to solve the position change of the end freezing point and the sizing of different steel grades. The change requirements for the soft pressing of the casting blank are simple in structure, convenient in replacement, short in replacement time, reliable in operation, energy saving and consumption reduction, and have good application prospects and large promotion value.

Claims (5)

  1. 一种大方坯连铸机用扇形拉矫机，拉矫机包括上下各一组夹辊，上辊固定在上辊架上，液压缸带动上辊架上下运动，下辊在上辊的下方，上辊中设置有带传动装置的驱动辊，其特征在于：所述上辊的数量为两个以上。 The utility model relates to a fan-shaped horizontal straightening machine for a bloom continuous casting machine. The tension leveling machine comprises a set of nip rollers on the upper and lower sides, and the upper roller is fixed on the upper roller frame, the hydraulic cylinder drives the upper roller frame to move up and down, and the lower roller is below the upper roller. A drive roller with a belt transmission is disposed in the upper roller, and the number of the upper rollers is two or more.
  2. 如权利要求1所述的大方坯连铸机用扇形拉矫机，其特征在于：带动上辊架上下运动的液压缸为2个，液压缸上设置有位置传感器和压力传感器，便于控制上辊的压下量和压下力。A fan-shaped horizontal straightening machine for a bloom continuous casting machine according to claim 1, wherein two hydraulic cylinders for moving the upper roller frame up and down are provided, and the hydraulic cylinder is provided with a position sensor and a pressure sensor for controlling the upper roller. The amount of depression and the force of depression.
  3. 如权利要求1或2所述的大方坯连铸机用扇形拉矫机，其特征在于：所述上辊与下辊的数量一致。A fan-shaped horizontal straightening machine for a bloomer according to claim 1 or 2, wherein the number of the upper and lower rolls is the same.
  4. 如权利要求1或2所述的大方坯连铸机用扇形拉矫机，其特征在于：所述上辊的数量为2~5个。A fan-shaped horizontal straightening machine for a bloomer according to claim 1 or 2, wherein the number of the upper rolls is 2 to 5.
  5. 如权利要求1所述的大方坯连铸机用扇形拉矫机，其特征在于：上辊中设置有1~2个带传动装置的驱动辊，电机通过联轴器及减速机驱动辊子转动。A fan-shaped horizontal straightening machine for a bloomer according to claim 1, wherein the upper roller is provided with one or two driving rollers with a transmission, and the motor is driven to rotate by a coupling and a speed reducer.
PCT/CN2012/085392 2012-08-09 2012-11-28 A withdrawal and straightening machine for a large square billet continuous casting machine WO2014023071A1 (en)

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CN201220391680.0 2012-08-09
CN 201220391680 CN202684005U (en) 2012-08-09 2012-08-09 Fan-shaped withdrawal and straightening machine for large square billet continuous-casting machine

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109226707A (en) * 2018-11-16 2019-01-18 大连华锐重工集团股份有限公司 A kind of fan-shaped segmentation of bloom
CN109654972A (en) * 2018-12-27 2019-04-19 江苏永钢集团有限公司 A kind of offline withdrawal straightening machine lower roll absolute altitude detection device

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104972086B (en) * 2015-06-25 2017-03-29 中冶连铸技术工程有限责任公司 Withdrawal straightening machine detection method and device
CN105364041B (en) * 2015-11-10 2018-06-08 中冶京诚工程技术有限公司 A kind of continuous straightening device of solid matter double roller and pulling-straightening equipment
CN107913983B (en) * 2017-12-22 2023-09-15 中冶京诚工程技术有限公司 Blank pulling device of large-section vertical continuous casting machine
CN108788041B (en) * 2018-07-03 2020-01-03 东北大学 Sector section roller row structure for continuous casting solidification tail end heavy pressing and using method

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GB1230212A (en) * 1967-09-12 1971-04-28
CN2454065Y (en) * 2000-11-27 2001-10-17 周广砥 Energy-saving continuous-casting blank pull-levellinjg machine
CN2579561Y (en) * 2002-11-27 2003-10-15 钢铁研究总院 Continuous blank withdrawal straightening device with light pressing function
CN102189236A (en) * 2011-04-26 2011-09-21 田陆 Withdrawal and straightening machine for square and round billets

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GB1230212A (en) * 1967-09-12 1971-04-28
CN2454065Y (en) * 2000-11-27 2001-10-17 周广砥 Energy-saving continuous-casting blank pull-levellinjg machine
CN2579561Y (en) * 2002-11-27 2003-10-15 钢铁研究总院 Continuous blank withdrawal straightening device with light pressing function
CN102189236A (en) * 2011-04-26 2011-09-21 田陆 Withdrawal and straightening machine for square and round billets

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YANG, ZHIJUN ET AL.: "Structure Features and Design Calculation of Large Round Bloom Caster Withdrawal Straightener.", CHINA HEAVY EQUIPMENT., vol. 3, September 2011 (2011-09-01) *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109226707A (en) * 2018-11-16 2019-01-18 大连华锐重工集团股份有限公司 A kind of fan-shaped segmentation of bloom
CN109654972A (en) * 2018-12-27 2019-04-19 江苏永钢集团有限公司 A kind of offline withdrawal straightening machine lower roll absolute altitude detection device

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