WO2023142433A1 - 一种自适应纠偏辊 - Google Patents

一种自适应纠偏辊 Download PDF

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Publication number
WO2023142433A1
WO2023142433A1 PCT/CN2022/112180 CN2022112180W WO2023142433A1 WO 2023142433 A1 WO2023142433 A1 WO 2023142433A1 CN 2022112180 W CN2022112180 W CN 2022112180W WO 2023142433 A1 WO2023142433 A1 WO 2023142433A1
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Prior art keywords
fan
roller
self
core
adaptive
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PCT/CN2022/112180
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English (en)
French (fr)
Inventor
胡立华
康健
许彦波
唐文
周云根
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中冶南方工程技术有限公司
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Publication of WO2023142433A1 publication Critical patent/WO2023142433A1/zh

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B39/00—Arrangements for moving, supporting, or positioning work, or controlling its movement, combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
    • B21B39/14—Guiding, positioning or aligning work
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
    • B21B1/22—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
    • B21B1/22—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length
    • B21B2001/221—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length by cold-rolling

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  • the invention belongs to the technical field of metallurgical equipment, and in particular relates to an adaptive deviation correcting roller.
  • the invention relates to a self-adaptive deviation correcting roller, which can solve at least part of the defects of the prior art.
  • the invention relates to a self-adaptive correction roller, which includes a roller core and a roller body, and the roller body includes a plurality of fan-shaped plates arranged at intervals along the circumferential direction; the inner wall of the fan-shaped plates is provided with a swing part and two sets of guide limit mechanism, the swing part is hinged with the roll core and the axis of the hinge axis is perpendicular to the roll core axis;
  • the positioning mechanism is connected with the roller core, and is used for guiding the swinging motion of the fan-shaped plate and constraining the swinging stroke of the fan-shaped plate.
  • the guide limit mechanism includes a slider and a connecting arm, the slider is slidably arranged on the roller core, and the two ends of the connecting arm are connected to the slider and the sector plate respectively. hinged, and the axis of the hinge axis at both ends of the connecting arm is parallel to the axis of the hinge axis between the swing part and the roller core.
  • the guide limiting mechanism further includes a limiting shoulder arranged on the roller core, and the limiting shoulder is used to limit the sliding stroke of the sliding member.
  • the sliding members on the corresponding sides are connected to form a slip ring sleeved on the roller core.
  • the outer end of the connecting arm is the end connected to the fan-shaped plate.
  • the number of the fan-shaped plates is four.
  • the central angles corresponding to each of the fan-shaped plates are the same.
  • two sets of guide and limit mechanisms are arranged symmetrically with respect to the corresponding swing parts.
  • the fan-shaped plates are arranged at intervals, two adjacent fan-shaped plates can be allowed to approach or move away from each other with the swing, so that the roll body changes from a cylindrical shape to a truncated cone shape. Move in a direction with a larger radius.
  • the strip steel deviates, it will firstly make the roll diameter on the deviation side smaller, and then the strip steel will automatically move to the direction of the larger roll diameter until the strip steel is centered to realize self-adaptive deviation correction operation.
  • the deviation correcting roller provided by the present invention can realize the automatic centering of the steel strip, and does not require external force intervention or detection sensors.
  • the equipment has simple structure, high working reliability, good economic performance, and can effectively reduce unit investment.
  • Fig. 1 is a structural schematic diagram of an adaptive correction roller provided by an embodiment of the present invention
  • Fig. 2 is a side view of an adaptive deflection correction roller provided by an embodiment of the present invention.
  • the embodiment of the present invention provides a kind of self-adaptive rectifying roller, comprises roller core 1 and roller body, and described roller body comprises a plurality of fan-shaped plates 2 arranged at intervals along the circumferential direction;
  • the inner wall of the inner wall is provided with a swing part 21 and two sets of guide and limit mechanisms, the swing part 21 is hinged with the roller core 1 and the axis of the hinge axis is perpendicular to the axis of the roll core;
  • the two sets of guide limit mechanisms are along the axis of the roll core Arranged on both sides of the oscillating portion 21 , the guiding and limiting mechanism is connected with the roller core 1 for guiding the oscillating movement of the fan-shaped plate 2 and constraining the oscillating stroke of the fan-shaped plate 2 .
  • the above-mentioned swinging part 21 is located in the middle of the fan-shaped plate 2, preferably the two axial ends of the fan-shaped plate 2 are symmetrical to the swinging part 21; in addition, the two groups of guiding and limiting mechanisms are preferably symmetrical to the swinging part 21, that is, It is symmetrical with respect to the hinge axis between the swinging part 21 and the roller core 1, so as to meet the deviation correction needs and the deviation correction effect of the operation side and the transmission side, and at the same time try to center the strip steel to improve the force balance acting on the operation side and the transmission side of the fan-shaped plate sex.
  • the fan-shaped plates 2 are arranged at intervals, two adjacent fan-shaped plates 2 can be allowed to approach or move away from each other with the swing, so that the roll body changes from a cylindrical shape to a truncated cone shape. It will automatically move to the direction with larger radius.
  • the strip steel deviates, it will firstly make the roll diameter on the deviation side smaller, and then the strip steel will automatically move to the direction of the larger roll diameter until the strip steel is centered to realize self-adaptive deviation correction operation.
  • the deviation correcting roller provided in this embodiment can realize the automatic centering of the steel strip, and does not require external force intervention, nor does it need a detection sensor.
  • the number of the above-mentioned fan-shaped plates 2 should be no less than three. In one embodiment, the number of fan-shaped plates 2 is 4, while ensuring the structural strength of the roll body, it is avoided that too many fan-shaped plates 2 affect the consistency and coordination of the actions of the fan-shaped plates 2 .
  • central angles corresponding to each of the fan-shaped plates 2 are the same, which can improve the consistency and coordination of the actions between the fan-shaped plates 2.
  • the above-mentioned guiding and limiting mechanism can guide and limit the swinging action of the fan-shaped plate 2, limit the swinging speed and the swinging range of the fan-shaped plate 2, and avoid the impact on the support and deviation correction of the strip due to too fast and too large movements.
  • the cooperation of each guide and limit mechanism can make the structure formed by each fan-shaped plate 2 coaxial with the roller core 1,
  • the guide limit mechanism includes a slider 32 and a connecting arm 31, the slider 32 is slidably arranged on the roller core 1, and the two ends of the connecting arm 31 are respectively It is hinged with the slider 32 and the sector plate 2 , and the hinge axes at both ends of the connecting arm 31 are axially parallel to the hinge axis between the swinging part 21 and the roller core 1 .
  • the connecting arm 31 may be a plate member, or a link member. The sliding of the sliding member 32 on the roller core 1 can better guide and limit the swing of the sector plate 2 , and at the same time, the force received by the sector plate 2 can also be better transmitted to the roller core 1 .
  • the sliding parts 32 on the corresponding sides are connected to form a slip ring sleeved on the roller core 1, that is, the sliding parts 32 on the operating side are connected to form a slip ring, and the sliding parts on the transmission side are connected to form a slip ring.
  • the member 32 is connected to form a slip ring.
  • each fan-shaped plate 2 can be further made to swing synchronously to ensure the reliability of the correction roller; moreover, the steel strip does not touch the surface of all fan-shaped plates 2, therefore, promoting the synchronous swing of each fan-shaped plate 2 can also prevent Part of the fan-shaped plate 2 scratches the steel strip when it does not swing.
  • the roller core 1 is a cylindrical roller core 1 is suitable.
  • the middle section of the above-mentioned roll core 1 can also adopt other shapes, for example, a prismatic roll core 1 is adopted, and each sliding member 32 can be slid on each surface of the roll core 1 respectively.
  • the guide limiting mechanism also includes a limiting shoulder provided on the roller core 1 , and the limiting shoulder is used to limit the sliding stroke of the sliding member 32 .
  • the swing angle of the fan-shaped plates 2 can be reliably limited by the limiting shoulder, avoiding collision and interference between the fan-shaped plates 2 , and at the same time preventing the sliding member 32 from detaching from the roller core 1 and causing the failure of the deviation-correcting function.
  • two limiting shoulders are provided on the roller core 1, and the two limiting shoulders are located between the sliding parts 32 on both sides (that is, each limiting shoulder is located between the corresponding side sliding parts 32 side close to the swing portion 21), or each sliding member 32 is located between two limiting shoulders (that is, each limiting shoulder is located on the side of the corresponding side sliding member 32 away from the swinging portion 21).
  • automatic deflection correction can be carried out in time when the strip steel deviation occurs, and the distance between the fan-shaped plates 2 can be controlled within a small range, which can be adjusted according to the working conditions on site . It can be understood that, in addition to limiting by means of the above-mentioned limiting shoulder, the mutual interference between the fan-shaped plates 2 can also be used to avoid further reduction of the roll diameter on the deviation side.
  • the outer end of the connecting arm 31 is the end connected to the fan-shaped plate 2 .
  • the so-called outer end refers to the end of the connecting arm 31 that is close to the outside of the roller.
  • the connecting arm 31 is preferably connected to the corresponding side axial end of the fan-shaped plate 2, so that the force transmission is more rapid and reliable, and the sensing of the deviation of the strip is also more sensitive and accurate.
  • a swing seat is provided at the corresponding position of the roller core 1 so as to be hinged with the swing part 21 of the fan-shaped plate 2, and the swing part 21 protrudes from the inner wall of the fan-shaped plate 2, so that the fan-shaped plate 2 and There is a certain space between the roller cores 1, which on the one hand meets the roller diameter requirement of the deviation correction roller, and on the other hand can better meet the swing space requirement of the fan-shaped plate 2.
  • the strip steel When the steel strip wraps around the frustum-shaped roller, it will automatically move to the direction of the larger diameter of the roller. Therefore, for the above two deviation situations, the strip steel will move to the opposite direction of the deviation until the strip steel is centered and acts on the fan-shaped plate. The forces on the operation side and the drive side of the fan-shaped plate are balanced, and the deviation-correcting roller returns to a cylindrical roller body.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Registering, Tensioning, Guiding Webs, And Rollers Therefor (AREA)

Abstract

一种自适应纠偏辊，包括辊芯（1）和辊身，辊身包括沿周向依次间隔设置的多块扇形板（2），扇形板的内壁设置有摆动部（21）和两组导向限位机构，摆动部与辊芯铰接并且铰轴轴向垂直于辊芯轴向，两组导向限位机构沿辊芯轴向分列于摆动部的两侧，导向限位机构与辊芯连接，用于对扇形板的摆动运动进行导向并约束扇形板的摆动行程。纠偏辊可以实现带钢的自动对中，且不需要外力干预，也不需要检测传感器，设备结构简单，工作可靠性高，经济性能好。

Description

一种自适应纠偏辊 技术领域
本发明属于冶金设备技术领域，具体涉及一种自适应纠偏辊。
背景技术
在钢铁冶炼厂，尤其是冷轧板带处理机组，由于带钢板型、张力、设备安装、制造精度等原因，包绕在辊子上的带钢会出现跑偏的情况。为了避免带钢过度跑偏，通常需要在机组的合适位置设置纠偏辊，并配合检测传感器等电气元件以纠正跑偏的带钢，但纠偏辊结构复杂，传感器等电气元件价格较高。
发明内容
本发明涉及一种自适应纠偏辊，至少可解决现有技术的部分缺陷。
本发明涉及一种自适应纠偏辊，包括辊芯和辊身，所述辊身包括沿周向依次间隔设置的多块扇形板；所述扇形板的内壁设置有摆动部和两组导向限位机构，所述摆动部与所述辊芯铰接并且铰轴轴向垂直于辊芯轴向；两组导向限位机构沿辊芯轴向分列于所述摆动部的两侧，所述导向限位机构与所述辊芯连接，用于对所述扇形板的摆动运动进行导向并约束所述扇形板的摆动行程。
作为实施方式之一，所述导向限位机构包括滑动件和连接臂，所述滑动件滑设于所述辊芯上，所述连接臂的两端分别与所述滑动件和所述扇形板铰接，并且连接臂的两端铰轴轴向平行于所述摆动部与所述辊芯之间的铰轴轴向。
作为实施方式之一，所述导向限位机构还包括设于所述辊芯上的限位轴肩，所述限位轴肩用于限制滑动件的滑动行程。
作为实施方式之一，对应侧的各所述滑动件连接形成为一个套设于所述辊芯上的滑环。
作为实施方式之一，所述连接臂的外端为其与扇形板连接的一端。
作为实施方式之一，所述扇形板的数量为4块。
作为实施方式之一，各所述扇形板所对应的圆心角均相同。
作为实施方式之一，两组导向限位机构相对于对应的摆动部对称设置。
本发明至少具有如下有益效果：
由于扇形板之间间隔设置，可允许相邻两块扇形板随着摆动而相互靠近或远离，从而使辊身由圆柱形变化成锥台形，带钢包绕在锥台形辊身上时，会自动向半径大的方向移动。当带钢出现跑偏情况时，首先会促使跑偏一侧的辊径变小，随后带钢会自动向辊径大的方向移动，直至带钢居中，实现自适应纠偏操作。可见，本发明提供的纠偏辊，可以实现带钢的自动对中，且不需要外力干预，也不需要检测传感器，设备结构简单、工作可靠性高，经济性能好，可以有效降低机组投资。
附图说明
为了更清楚地说明本发明实施例或现有技术中的技术方案，下面将对实施例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，下面描述中的附图仅仅是本发明的一些实施例，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它的附图。
图1为本发明实施例提供的自适应纠偏辊的结构示意图；
图2为本发明实施例提供的自适应纠偏辊的侧视图。
具体实施方式
下面对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其它 实施例，都属于本发明保护的范围。
如图1和图2，本发明实施例提供一种自适应纠偏辊，包括辊芯1和辊身，所述辊身包括沿周向依次间隔设置的多块扇形板2；所述扇形板2的内壁设置有摆动部21和两组导向限位机构，所述摆动部21与所述辊芯1铰接并且铰轴轴向垂直于辊芯轴向；两组导向限位机构沿辊芯轴向分列于所述摆动部21的两侧，所述导向限位机构与所述辊芯1连接，用于对所述扇形板2的摆动运动进行导向并约束所述扇形板2的摆动行程。
上述摆动部21位于扇形板2的中部，优选为扇形板2的两个轴向端相对于该摆动部21对称；另外，两组导向限位机构优选为相对于该摆动部21对称，也即相对于摆动部21与辊芯1之间的铰轴对称，以满足操作侧和传动侧的纠偏需要和纠偏效果，同时尽量使带钢居中，提高作用在扇形板操作侧和传动侧的力平衡性。
由于扇形板2之间间隔设置，可允许相邻两块扇形板2随着摆动而相互靠近或远离，从而使辊身由圆柱形变化成锥台形，带钢包绕在锥台形辊身上时，会自动向半径大的方向移动。当带钢出现跑偏情况时，首先会促使跑偏一侧的辊径变小，随后带钢会自动向辊径大的方向移动，直至带钢居中，实现自适应纠偏操作。可见，本实施例提供的纠偏辊，可以实现带钢的自动对中，且不需要外力干预，也不需要检测传感器，设备结构简单、工作可靠性高，经济性能好，可以有效降低机组投资。
上述扇形板2的数量宜不少于3块。在其中一个实施例中，扇形板2的数量为4块，在保证辊身的结构强度的同时，避免扇形板2数量过多而影响扇形板2之间的动作一致性和协调性。
进一步地，各所述扇形板2所对应的圆心角均相同，能提高各扇形板2之 间的动作一致性和协调性。
上述导向限位机构能对扇形板2的摆动动作进行导向和限位，限制扇形板2的摆动速度和摆动幅度，避免动作过快和动作过大而影响对带钢的支撑和纠偏作用。各导向限位机构配合，能使各扇形板2所拼凑形成的结构与辊芯1同轴，
在其中一个实施例中，如图1，所述导向限位机构包括滑动件32和连接臂31，所述滑动件32滑设于所述辊芯1上，所述连接臂31的两端分别与所述滑动件32和所述扇形板2铰接，并且连接臂31的两端铰轴轴向平行于所述摆动部21与所述辊芯1之间的铰轴轴向。上述连接臂31可以为板式构件，也可采用连杆构件。通过滑动件32在辊芯1上的滑动，可以较好地对扇形板2的摆动进行导向和限制，同时，扇形板2所受到的作用力也能较好地传递给辊芯1。
优选地，对应侧的各所述滑动件32连接形成为一个套设于所述辊芯1上的滑环，也即操作侧的各滑动件32连接形成为一滑环，传动侧的各滑动件32连接形成为一滑环。基于该结构，能进一步使得各扇形板2同步摆动，保证纠偏辊的工作可靠性；而且，带钢并不与所有的扇形板2表面贴触，因此，促使各扇形板2同步摆动还能防止部分扇形板2不摆动时刮伤带钢。对于上述结构，显然以辊芯1为圆柱形辊芯1为宜。
在另外的实施例中，上述辊芯1的中间段也可采用其他形状，例如采用棱柱形辊芯1，可使各滑动件32分别滑设在辊芯1的各个面上。
进一步地，所述导向限位机构还包括设于所述辊芯1上的限位轴肩，所述限位轴肩用于限制滑动件32的滑动行程。通过限位轴肩能可靠地限制扇形板2的摆动角度，避免扇形板2之间发生碰撞干涉，同时还能防止滑动件32从辊芯1上脱离而导致纠偏功能的失效。在其中一个实施例中，在辊芯1上设置有两处限位轴肩，两处限位轴肩均位于两侧滑动件32之间(即每处限位轴肩位于对应 侧滑动件32的靠近摆动部21的一侧)，或者各滑动件32均位于两处限位轴肩之间(即每处限位轴肩位于对应侧滑动件32的远离摆动部21的一侧)。
基于上述自适应纠偏辊的纠偏功能，在带钢出现跑偏状况时能够及时地进行自动纠偏，扇形板2之间的间距可控制在较小的范围内，可根据现场工况具体地进行调整。可以理解地，除通过上述限位轴肩等方式进行限制外，也可通过扇形板2之间的相互干涉避免跑偏侧的辊径进一步减小。
可选地，如图1，所述连接臂31的外端为其与扇形板2连接的一端，可以理解地，所谓外端，也即连接臂31靠近辊外的一端。其中，连接臂31优选为与扇形板2的对应侧轴向端连接，传力更为迅速可靠，对于带钢跑偏的感应也更敏锐准确。
可选地，如图1，在辊芯1的对应位置处设置摆动座以便于与扇形板2的摆动部21铰接，摆动部21凸出设置于扇形板2的内壁上，使扇形板2与辊芯1之间具有一定的空间，一方面满足纠偏辊的辊径要求，另一方面也能较好地满足扇形板2的摆动空间需要。
上述纠偏辊的具体动作过程如下：
(1)带钢居中时，带钢作用在扇形板操作侧和扇形板传动侧的力相当，扇形板2不发生转动，纠偏辊的辊身为圆柱形辊身。
(2)带钢向操作侧跑偏时，作用在扇形板操作侧的力大于作用在扇形板传动侧的力，各扇形板2发生摆动，扇形板操作侧向辊芯1靠近，操作侧辊身的辊径变小，直至在限位轴肩等的约束下扇形板2停止转动；同时，扇形板传动侧远离辊芯1，传动侧辊身的辊径变大，纠偏辊的辊身由圆柱形变成操作侧辊径小、传动侧辊径大的锥台形辊身。
(3)带钢向传动侧跑偏时，作用在扇形板传动侧的力大于作用在扇形板操 作侧的力，各扇形板2发生摆动，扇形板传动侧向辊芯1靠近，传动侧辊身的辊径变小，直至在限位轴肩等的约束下扇形板2停止转动；同时，扇形板操作侧远离辊芯1，操作侧辊身的辊径变大，纠偏辊的辊身由圆柱形变成传动侧辊径小、操作侧辊径大的锥台形辊身。
带钢包绕在锥台形辊身上时，会自动向辊径大的方向移动，因此对于上述两种跑偏情况，带钢都会向跑偏的相反方向移动，直至带钢居中，作用在扇形板操作侧和扇形板传动侧的力平衡，纠偏辊恢复为圆柱形辊身。
以上所述仅为本发明的较佳实施例而已，并不用以限制本发明，凡在本发明的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本发明的保护范围之内。

Claims (8)

  1. 一种自适应纠偏辊，其特征在于：包括辊芯和辊身，所述辊身包括沿周向依次间隔设置的多块扇形板；所述扇形板的内壁设置有摆动部和两组导向限位机构，所述摆动部与所述辊芯铰接并且铰轴轴向垂直于辊芯轴向；两组导向限位机构沿辊芯轴向分列于所述摆动部的两侧，所述导向限位机构与所述辊芯连接，用于对所述扇形板的摆动运动进行导向并约束所述扇形板的摆动行程。
  2. 如权利要求1所述的自适应纠偏辊，其特征在于：所述导向限位机构包括滑动件和连接臂，所述滑动件滑设于所述辊芯上，所述连接臂的两端分别与所述滑动件和所述扇形板铰接，并且连接臂的两端铰轴轴向平行于所述摆动部与所述辊芯之间的铰轴轴向。
  3. 如权利要求2所述的自适应纠偏辊，其特征在于：所述导向限位机构还包括设于所述辊芯上的限位轴肩，所述限位轴肩用于限制滑动件的滑动行程。
  4. 如权利要求2所述的自适应纠偏辊，其特征在于：对应侧的各所述滑动件连接形成为一个套设于所述辊芯上的滑环。
  5. 如权利要求2所述的自适应纠偏辊，其特征在于：所述连接臂的外端为其与扇形板连接的一端。
  6. 如权利要求1所述的自适应纠偏辊，其特征在于：所述扇形板的数量为4块。
  7. 如权利要求1至6中任一项所述的自适应纠偏辊，其特征在于：各所述扇形板所对应的圆心角均相同。
  8. 如权利要求1至6中任一项所述的自适应纠偏辊，其特征在于：两组导向限位机构相对于对应的摆动部对称设置。
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