WO2024036986A1 - 可快速换辊的辊设备及其换辊方法 - Google Patents

可快速换辊的辊设备及其换辊方法 Download PDF

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Publication number
WO2024036986A1
WO2024036986A1 PCT/CN2023/086415 CN2023086415W WO2024036986A1 WO 2024036986 A1 WO2024036986 A1 WO 2024036986A1 CN 2023086415 W CN2023086415 W CN 2023086415W WO 2024036986 A1 WO2024036986 A1 WO 2024036986A1
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Prior art keywords
roller
hole
structural
structural hole
bolt
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PCT/CN2023/086415
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English (en)
French (fr)
Inventor
张翼
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Wisdri Engineering and Research Incorporation Ltd
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Wisdri Engineering and Research Incorporation Ltd
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Publication of WO2024036986A1 publication Critical patent/WO2024036986A1/zh
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Classifications

    • 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

Definitions

  • the invention relates to a roller equipment capable of rapid roller change and a roller change method thereof.
  • the present invention relates to a roller equipment that can quickly change rollers and a roller changing method thereof, which can at least solve some of the defects of the prior art.
  • the invention relates to a roller equipment that can quickly change rollers, including a frame and an upper roller box.
  • the frame is provided with an upper roller change track.
  • the upper roller box is provided with a plurality of holes and is located at each hole.
  • T-shaped bolts are respectively provided at each hole position, and a first structural hole and a second structural hole are provided at each hole position.
  • the first structural hole is a rectangular countersunk hole formed at the bottom of the corresponding hole position and the opening direction is downward.
  • the second structural hole is a rectangular through hole that penetrates the corresponding hole position up and down, the first structural hole and the second structural hole are cross-connected, and the head of the T-shaped bolt is embedded in the first structural hole.
  • the screw rod is locked by the locking nut after passing through the second structural hole and the top of the frame.
  • the first structural hole and the second structural hole are cross-connected.
  • the length direction of the first structural hole is parallel to the roller axial direction
  • the length direction of the second structural hole is perpendicular to the roller axial direction
  • each of the holes is distributed on two sets of bearing seats of the upper roller box.
  • each set of bearing seats is provided with multiple holes and arranged vertically symmetrically on the rollers. both sides of the plane.
  • the width of the second structural hole is greater than the head width of the T-shaped bolt.
  • the roller equipment is also equipped with a roll changing pad used to be placed between the locking nut and the frame when changing the roll.
  • the roller changing pad is installed on the frame through a chain and has a working position between the locking nut and the frame and an idle position away from the locking nut.
  • the roller equipment is a rolling mill, a stretch bending straightener or a straightening machine.
  • the invention also relates to a method for changing rollers of the above-mentioned roller equipment, which includes:
  • the roller equipment provided by the present invention adopts the hole group of the first structural hole and the second structural hole to cooperate with the T-bolt.
  • the head of the T-bolt is embedded in the first structural hole, which improves the alignment of the T-bolt.
  • the restraint reliability of the roller box makes the upper roller box in a hanging form.
  • the head of the T-bolt can improve the hanging reliability of the upper roller box, and the force endured by the upper roller box can be better transferred to the frame. , effectively improving the working reliability of the upper roller; when changing the roller, you only need to lift the T-bolt to the top of the upper roller box through the second structural hole, and the roller change operation can be completed without removing the T-bolt from the frame. It can significantly improve the efficiency of roller changing, reduce the workload of roller changing, and avoid the risk of bolt loss.
  • Figure 1 is a schematic structural diagram of an upper roller box during normal production according to an embodiment of the present invention.
  • Figure 2 is a bottom view of Figure 1;
  • Figure 3 is a schematic structural diagram of the upper roller box when it is lowered to the upper roller changing track provided by the embodiment of the present invention
  • Figure 4 is a bottom view of Figure 3;
  • Figure 5 is a schematic structural diagram after the upper roller box is lowered to the upper roller changing track and the T-bolt is rotated 90° according to the embodiment of the present invention.
  • Figure 6 is a bottom view of Figure 5;
  • Figure 7 is a schematic structural diagram of the roller changing pad provided by the embodiment of the present invention.
  • FIG. 8 is a bottom view of FIG. 7 .
  • the embodiment of the present invention provides a roller equipment that can quickly change rollers, including a frame 1 and an upper roller box 2.
  • the frame 1 is provided with an upper roller change track 11.
  • the box 2 is provided with a plurality of holes and T-shaped bolts 3 are provided at each hole.
  • Each hole is provided with a first structural hole 24 and a second structural hole 25.
  • the first structural hole 24 is A rectangular countersunk hole is formed at the bottom of the corresponding hole position and the opening direction is downward.
  • the second structural hole 25 is a rectangular through hole that penetrates the corresponding hole position up and down.
  • the first structural hole 24 is connected with the corresponding hole position.
  • the second structural holes 25 are cross-connected, the head 31 of the T-bolt 3 is fitted in the first structural hole 24, and the screw rod passes through the second structural hole 25 and the top of the frame 1 and then is locked. Tighten nut 4.
  • a fixing plate 12 can be provided on the top of the frame 1 for the T-bolts 3 to be inserted and then matched with the locking nuts 4 .
  • each of the holes is distributed on two sets of bearing seats 21 of the upper roller box 2 .
  • each set of bearing seats 21 is provided with a plurality of holes arranged on both sides of the roller's vertical symmetry plane, where the roller's vertical symmetry plane is parallel to the roller axis; The positions are distributed on both sides of the vertical symmetrical plane of the roller, which can ensure the stability and reliability of the installation structure of the upper roller box 2, thereby ensuring the working performance of the upper roller 23.
  • each set of bearing seats 21 is provided with two holes, which are symmetrically distributed relative to the vertical symmetry plane of the roller.
  • the first structural hole 24 is formed at the bottom of the bearing seat 21
  • the second structural hole 25 penetrates from the bottom of the bearing seat 21 to the top of the bearing seat 21 .
  • the width of the second structural hole 25 is greater than the head width of the T-shaped bolt 3 to facilitate the T-shaped bolt 3 to pass through the second structural hole 25 .
  • the specifications of the above-mentioned first structural hole 24 are preferably matched with the size of the head 31 of the T-shaped bolt 3. It is appropriate to have a clearance fit between the head 31 of the T-shaped bolt 3 and the hole wall of the first structural hole 24.
  • the length of the first structural hole 24 is slightly larger than the length of the head 31 of the T-bolt 3
  • the width of the first structural hole 24 is slightly larger than the width of the head of the T-bolt 3 .
  • the first structural hole 24 and the second structural hole 25 Cross connection, that is, the two are orthogonally connected.
  • the length direction of the first structural hole 24 is parallel to the roller axis
  • the length direction of the second structural hole 25 is perpendicular to the roller axis.
  • the above-mentioned roller equipment is also equipped with a roll-changing pad 61 for padding between the locking nut 4 and the frame 1 when changing the roll.
  • a roll-changing pad 61 for padding between the locking nut 4 and the frame 1 when changing the roll.
  • the running mechanism 22 of the upper roller box 2 is located above the upper roller changing track 11, and the distance is defined as d; the height of the second structural hole 25 is H, then the padding height of the above-mentioned roller changing pad 61 is greater than d. +H.
  • the roller changing pad 61 is installed on the frame 1 through a chain 62 and has a working position between the locking nut 4 and the frame 1 and an idle position away from the locking nut 4. This facilitates the use of the roller changing pad 61 and prevents the roller changing pad 61 from being lost and affecting the roll changing operation.
  • the above-mentioned locking nut 4 is generally also equipped with a locking washer 5, and the roller changing pad 61 can cushion the locking washer 5 and the locking nut 4 together.
  • the roller equipment provided in this embodiment adopts the hole group of the first structural hole 24 and the second structural hole 25 to cooperate with the T-shaped bolt 3.
  • the head 31 of the T-shaped bolt 3 is embedded in the first structural hole 24.
  • the head 31 of the T-shaped bolt 3 can improve the hanging reliability of the upper roller box 2, and the upper roller
  • the force borne by the box 2 can be better transferred to the frame 1, effectively improving the reliability of the upper roller operation; when changing the roller, just lift the T-bolt 3 to the top of the upper roller box 2 through the second structural hole 25.
  • No need to remove T-bolt 3 from frame 1 Being able to complete the roll change operation can significantly improve the efficiency of roll change, reduce the workload of roll change, and avoid the risk of bolt loss.
  • the above-mentioned roller equipment is a rolling mill, a stretch bending straightener or a straightening machine, which contains a roller box and the roller box needs to be replaced frequently. It can be used in continuous strip processing lines such as silicon steel, carbon steel, stainless steel, non-ferrous steel, etc. It is widely used in the industry; in addition, it can also be used as roller equipment such as squeeze rollers and steering rollers.
  • embodiments of the present invention also provide a roll replacement method for the above-mentioned roll equipment, including:
  • each T-bolt 3 When installing a new roller, send the upper roller box 2 to be installed into the frame 1; lower the head 31 of each T-bolt 3 through the second structural hole 25 to the bottom of the first structural hole 24, and rotate it 90°. The head 31 of each T-shaped bolt 3 is fitted into the first structural hole 24; after the upper roller box 2 is raised to the target position, each locking nut 4 is tightened.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Rollers For Roller Conveyors For Transfer (AREA)

Abstract

一种可快速换辊的辊设备，包括机架（1）和上辊盒（2），上辊盒上设有多个孔位并于各孔位处分别设有T型螺栓（3），每一孔位处设有第一结构孔（24）和第二结构孔（25），第一结构孔为形成于对应孔位底部的矩形沉头孔并且开口方向朝下，第二结构孔为上下贯通对应孔位的矩形通孔，第一结构孔与第二结构孔交叉连通，T型螺栓的头部（31）嵌合在第一结构孔中并且螺杆穿过第二结构孔和机架顶部后通过锁紧螺母（4）锁紧。以及使用该辊设备的换辊方法。利用该辊设备，正常生产时T型螺栓能较好地将上辊盒承受的作用力传递给机架；换辊时，只需将T型螺栓经第二结构孔提起至上辊盒的上方，无需拆下T型螺栓，能显著地提高换辊效率、减少换辊工作量，同时能避免螺栓遗失的风险。

Description

可快速换辊的辊设备及其换辊方法 技术领域
本发明涉及一种可快速换辊的辊设备及其换辊方法。
背景技术
目前，在冶金行业中的带材连续生产处理线中，辊类设备的更换需求广泛且频繁。传统的辊类设备，换辊作业时工作量繁琐、速度较慢，严重影响生产顺行。
发明内容
本发明涉及一种可快速换辊的辊设备及其换辊方法，至少可解决现有技术的部分缺陷。
本发明涉及一种可快速换辊的辊设备，包括机架和上辊盒，所述机架上设有上部换辊轨道，所述上辊盒上设有多个孔位并于各孔位处分别设有T型螺栓，每一孔位处设有第一结构孔和第二结构孔，所述第一结构孔为形成于对应孔位底部的矩形沉头孔并且开口方向朝下，所述第二结构孔为上下贯通对应孔位的矩形通孔，所述第一结构孔与所述第二结构孔交叉连通，所述T型螺栓的头部嵌合在所述第一结构孔中并且螺杆穿过所述第二结构孔和机架顶部后通过锁紧螺母锁紧。
作为实施方式之一，所述第一结构孔与所述第二结构孔十字交叉连通
作为实施方式之一，所述第一结构孔的长度方向平行于辊子轴向，所述第二结构孔的长度方向垂直于辊子轴向。
作为实施方式之一，各所述孔位分布于所述上辊盒的两组轴承座上。
作为实施方式之一，每组轴承座上设有多个孔位并且分列于辊子竖向对称 平面的两侧。
作为实施方式之一，所述第二结构孔的宽度大于所述T型螺栓的头部宽度。
作为实施方式之一，该辊设备还配置有用于在换辊时垫设在锁紧螺母与机架之间的换辊垫块。
作为实施方式之一，所述换辊垫块通过链条安装在机架上并且具有垫设在锁紧螺母与机架之间的工作位以及远离所述锁紧螺母的闲置位。
作为实施方式之一，所述辊设备为轧机、拉伸弯曲矫直机或矫直机。
本发明还涉及上述辊设备的换辊方法，包括：
拆除旧辊时，旋松锁紧螺母，使待更换上辊盒的行走机构降至所述上部换辊轨道上；再使各T型螺栓的头部脱出第一结构孔，并旋转90°后经由第二结构孔上升至待更换上辊盒的上方；随后将待更换上辊盒从机架中取出；
安装新辊时，将待安装上辊盒送入机架；将各T型螺栓的头部经由第二结构孔降下至第一结构孔的下方，并旋转90°后使各T型螺栓的头部嵌合至第一结构孔中；使所述上辊盒上升至目标位置后，拧紧各锁紧螺母。
本发明至少具有如下有益效果：
本发明提供的辊设备，采用第一结构孔与第二结构孔的孔组与T型螺栓配合，正常生产时T型螺栓的头部嵌合在第一结构孔中，提高T型螺栓对上辊盒的约束可靠性，而且使得上辊盒呈吊挂形式，T型螺栓的头部能提高对上辊盒的吊挂可靠性，上辊盒承受的作用力能较好地传递给机架，有效地提高上辊工作可靠性；换辊时，只需将T型螺栓经第二结构孔提起至上辊盒的上方，无需将T型螺栓从机架上取下即能完成换辊操作，能显著地提高换辊效率、减少换辊工作量，同时能避免螺栓遗失的风险。
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上辊盒在正常生产时的结构示意图。
图2为图1的仰视图；
图3为本发明实施例提供的上辊盒降至上部换辊轨道时的结构示意图；
图4为图3的仰视图；
图5为本发明实施例提供的上辊盒降至上部换辊轨道并且T型螺栓旋转90°后的结构示意图。
图6为图5的仰视图；
图7为本发明实施例提供的塞入换辊垫块后的结构示意图；
图8为图7的仰视图。
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-图8，本发明实施例提供一种可快速换辊的辊设备，包括机架1和上辊盒2，所述机架1上设有上部换辊轨道11，所述上辊盒2上设有多个孔位并于各孔位处分别设有T型螺栓3，每一孔位处设有第一结构孔24和第二结构孔25，所述第一结构孔24为形成于对应孔位底部的矩形沉头孔并且开口方向朝下，所述第二结构孔25为上下贯通对应孔位的矩形通孔，所述第一结构孔24与所 述第二结构孔25交叉连通，所述T型螺栓3的头部31嵌合在所述第一结构孔24中并且螺杆穿过所述第二结构孔25和机架1顶部后通过锁紧螺母4锁紧。
机架1及上辊盒2的结构为本领域常规技术，此处不作赘述。可以在机架1的顶部设置固定板12，用于T型螺栓3穿设后再与锁紧螺母4配合。
在其中一个实施例中，如图1-图8，各所述孔位分布于所述上辊盒2的两组轴承座21上。进一步优选地，每组轴承座21上设有多个孔位并且分列于辊子竖向对称平面的两侧，其中，该辊子竖向对称平面平行于辊子轴线；将轴承座21上的各孔位分布在该辊子竖向对称平面的两侧，能保证上辊盒2的安装结构的稳定性和可靠性，从而保证上辊23的工作性能。可选地，如图2、图4、图6和图8，每组轴承座21上设有两个孔位，该两个孔位相对于上述辊子竖向对称平面对称分布。
当孔位分布在轴承座21上时，相应地，第一结构孔24形成于该轴承座21的底部，第二结构孔25自该轴承座21的底部贯通至该轴承座21的顶部。
其中，优选地，所述第二结构孔25的宽度大于所述T型螺栓3的头部宽度，便于T型螺栓3从该第二结构孔25通过。
上述第一结构孔24的规格则优选为与T型螺栓3的头部31尺寸匹配，以T型螺栓3的头部31与该第一结构孔24的孔壁之间间隙配合为宜，具体地，该第一结构孔24的长度稍大于T型螺栓3的头部31长度，该第一结构孔24的宽度稍大于T型螺栓3的头部宽度。通过第一结构孔24与T型螺栓3的头部31之间的匹配性，能进一步提高T型螺栓3对上辊盒2的约束可靠性，有效地减少正常生产时上辊23的位置窜动或晃动，从而提高正常生产时上辊23的工作性能。
优选地，如图2、图4、图6和图8，所述第一结构孔24与所述第二结构孔 25十字交叉连通，也即二者正交连通。在其中一个实施例中，如图2、图4、图6和图8，所述第一结构孔24的长度方向平行于辊子轴向，所述第二结构孔25的长度方向垂直于辊子轴向。基于该设计，能进一步提高T型螺栓3对上辊盒2的约束可靠性，使T型螺栓3能较好地将上辊盒2受到的纵向力(平行于过钢线)和横向力传递给机架1。
进一步优选地，如图1、图3、图5和图7，上述辊设备还配置有用于在换辊时垫设在锁紧螺母4与机架1之间的换辊垫块61。当进行换辊操作时，旋松锁紧螺母4后，通过换辊垫块61将锁紧螺母4垫高，使T型螺栓3位于上辊盒2的上方，避免T型螺栓3与上辊盒2产生干涉，从而可以完成上辊盒2的更换操作，同时不用将T型螺栓3从机架1上取下。正常生产时，上辊盒2的行走机构22位于上部换辊轨道11的上方，定义该间距为d；第二结构孔25的高度为H，则上述换辊垫块61的垫起高度大于d+H。
进一步地，所述换辊垫块61通过链条62安装在机架1上并且具有垫设在锁紧螺母4与机架1之间的工作位以及远离所述锁紧螺母4的闲置位，可方便换辊垫块61的使用，也避免换辊垫块61丢失而影响换辊操作。上述锁紧螺母4一般还配置有锁紧垫片5，该换辊垫块61可以将锁紧垫片5和锁紧螺母4一起垫起。
本实施例提供的辊设备，采用第一结构孔24与第二结构孔25的孔组与T型螺栓3配合，正常生产时T型螺栓3的头部31嵌合在第一结构孔24中，提高T型螺栓3对上辊盒2的约束可靠性，而且使得上辊盒2呈吊挂形式，T型螺栓3的头部31能提高对上辊盒2的吊挂可靠性，上辊盒2承受的作用力能较好地传递给机架1，有效地提高上辊工作可靠性；换辊时，只需将T型螺栓3经第二结构孔25提起至上辊盒2的上方，无需将T型螺栓3从机架1上取下即 能完成换辊操作，能显著地提高换辊效率、减少换辊工作量，同时能避免螺栓遗失的风险。
可选地，上述辊设备为轧机、拉伸弯曲矫直机或矫直机等含有辊盒、辊盒需要经常更换的轧钢设备，可在硅钢、碳钢、不锈钢、有色等连续带材处理线中广泛应用；另外，也可以是挤干辊、转向辊等辊设备。
如图1-图8，本发明实施例还提供上述辊设备的换辊方法，包括：
拆除旧辊时，旋松锁紧螺母4，使待更换上辊盒2的行走机构22降至所述上部换辊轨道11上；再使各T型螺栓3的头部31脱出第一结构孔24，并旋转90°后经由第二结构孔25上升至待更换上辊盒2的上方；随后将待更换上辊盒2从机架1中取出；
安装新辊时，将待安装上辊盒2送入机架1；将各T型螺栓3的头部31经由第二结构孔25降下至第一结构孔24的下方，并旋转90°后使各T型螺栓3的头部31嵌合至第一结构孔24中；使所述上辊盒2上升至目标位置后，拧紧各锁紧螺母4。
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 (10)

  1. 一种可快速换辊的辊设备，包括机架和上辊盒，所述机架上设有上部换辊轨道，其特征在于：所述上辊盒上设有多个孔位并于各孔位处分别设有T型螺栓，每一孔位处设有第一结构孔和第二结构孔，所述第一结构孔为形成于对应孔位底部的矩形沉头孔并且开口方向朝下，所述第二结构孔为上下贯通对应孔位的矩形通孔，所述第一结构孔与所述第二结构孔交叉连通，所述T型螺栓的头部嵌合在所述第一结构孔中并且螺杆穿过所述第二结构孔和机架顶部后通过锁紧螺母锁紧。
  2. 如权利要求1所述的辊设备，其特征在于：所述第一结构孔与所述第二结构孔十字交叉连通。
  3. 如权利要求2所述的辊设备，其特征在于：所述第一结构孔的长度方向平行于辊子轴向，所述第二结构孔的长度方向垂直于辊子轴向。
  4. 如权利要求1所述的辊设备，其特征在于：各所述孔位分布于所述上辊盒的两组轴承座上。
  5. 如权利要求4所述的辊设备，其特征在于：每组轴承座上设有多个孔位并且分列于辊子竖向对称平面的两侧。
  6. 如权利要求1所述的辊设备，其特征在于：所述第二结构孔的宽度大于所述T型螺栓的头部宽度。
  7. 如权利要求1所述的辊设备，其特征在于：还配置有用于在换辊时垫设在锁紧螺母与机架之间的换辊垫块。
  8. 如权利要求7所述的辊设备，其特征在于：所述换辊垫块通过链条安装在机架上并且具有垫设在锁紧螺母与机架之间的工作位以及远离所述锁紧螺母的闲置位。
  9. 如权利要求1所述的辊设备，其特征在于：所述辊设备为轧机、拉伸弯曲矫 直机或矫直机。
  10. 如权利要求1至9中任一项所述的辊设备的换辊方法，其特征在于，包括：
    拆除旧辊时，旋松锁紧螺母，使待更换上辊盒的行走机构降至所述上部换辊轨道上；再使各T型螺栓的头部脱出第一结构孔，并旋转90°后经由第二结构孔上升至待更换上辊盒的上方；随后将待更换上辊盒从机架中取出；
    安装新辊时，将待安装上辊盒送入机架；将各T型螺栓的头部经由第二结构孔降下至第一结构孔的下方，并旋转90°后使各T型螺栓的头部嵌合至第一结构孔中；使所述上辊盒上升至目标位置后，拧紧各锁紧螺母。
PCT/CN2023/086415 2022-08-16 2023-04-06 可快速换辊的辊设备及其换辊方法 Ceased WO2024036986A1 (zh)

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