WO2020181625A1 - 高密封性的精轧二十辊哈夫套装置 - Google Patents

高密封性的精轧二十辊哈夫套装置 Download PDF

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Publication number
WO2020181625A1
WO2020181625A1 PCT/CN2019/083858 CN2019083858W WO2020181625A1 WO 2020181625 A1 WO2020181625 A1 WO 2020181625A1 CN 2019083858 W CN2019083858 W CN 2019083858W WO 2020181625 A1 WO2020181625 A1 WO 2020181625A1
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Prior art keywords
key groove
key
roll
half sleeve
sleeve
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PCT/CN2019/083858
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English (en)
French (fr)
Inventor
谢思银
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福建鼎信科技有限公司
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Publication of WO2020181625A1 publication Critical patent/WO2020181625A1/zh

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B27/00—Rolls, roll alloys or roll fabrication; Lubricating, cooling or heating rolls while in use
    • B21B27/02—Shape or construction of rolls
    • B21B27/03—Sleeved rolls

Definitions

  • the utility model belongs to the field of steel rolling equipment, and in particular relates to a 20-roll Huff set device for finishing rolling with high sealing performance.
  • the 20-high Huff sleeve for finishing rolling is used on the 20-high rolling mill.
  • the Huff sleeve When in use, the Huff sleeve is set on the roll neck of the first intermediate roll and the periphery of the first intermediate roll. Because the rolling mill runs at high speed during the working process, and occasionally Vibration often occurs. After the first intermediate roll and the first intermediate roll are assembled, the two arcs of the Huff sleeve are not tightly held, causing the roll neck of the first intermediate roll to twist or the arc position to be severely worn. At the same time, due to the rolling mill The use of water-soluble rolling oil in a relatively harsh environment will further cause downtime and failure of the rolling mill, delay production, reduce production capacity, increase roll consumption rate and waste energy.
  • the technical problem to be solved by the present utility model is to provide a high-tightness finish rolling 20-roll Huff set device in which the first intermediate roll and the first intermediate roll are tightly connected.
  • the technical solution adopted by the present utility model is: a high-tightness finishing rolling 20-roll Huff sleeve device, including a connecting key, a first intermediate roll, a first intermediate roll receiver and a Huff sleeve;
  • the outer side wall of the roll neck of the first intermediate roll is provided with a first key groove
  • a second key groove is provided on the outer side wall of the bottom of the first intermediate roller
  • the half sleeve is composed of two identical half sleeve bodies, and a third key groove is provided on the inner wall of the half sleeve body;
  • the length of the connecting key is equal to the length of the third key groove
  • the length of the third key groove is equal to the sum of the length of the first key groove and the second key groove
  • the connecting key is fastened in the third key groove
  • the two half sleeves are fastened by screws, and the connecting key is fastened in the third keyway by screws.
  • the size of the connecting key is 12 mm*8mm*60mm.
  • the distance between the bottom of the third key groove and the outer wall of the half sleeve is 50 mm.
  • the heights of the first key groove, the second key groove and the third key groove are the same, and are all equal to half of the height of the connecting key.
  • the beneficial effect of the utility model is that the first key groove, the second key groove, and the third key groove are arranged to cooperate with the connecting key, so that the roller neck of the first intermediate roller can be closely matched with the bottom of the first intermediate roller. Assembled in the half sleeve, which solves the problem of twisting of the roll neck of the first intermediate roll or serious wear of the arc position.
  • Fig. 1 is a schematic side view of a cross-sectional structure diagram of a high-tight 20-roll Huff set device for finishing rolling according to an embodiment of the present invention
  • FIG. 2 shows a schematic cross-sectional structure diagram of the Huff sleeve of the 20-roll Huff sleeve device with high sealing performance according to the specific embodiment of the present invention
  • Fig. 3 is a schematic diagram of the structure of the Huff sleeve of the 20-roll Huff sleeve device with high sealing performance according to the specific embodiment of the present invention
  • FIG. 4 is a schematic diagram showing the structure of the first intermediate roll of the high-tight 20-roll Huff set device for finishing rolling according to the specific embodiment of the present invention
  • the most critical idea of the utility model is to change the connection mode of the roll neck of the first intermediate roller and the first intermediate roller in the Huff sleeve to improve the tightness of the connection.
  • the high-tightness finish rolling 20-roll Huff sleeve device of the present invention includes a connecting key 1, a first intermediate roll, a first intermediate roll receiver 3 and a Huff sleeve 4;
  • the outer side wall of the roll neck 2 of the first intermediate roll is provided with a first key groove 21;
  • a second key groove 31 is provided on the outer side wall of the bottom of the first intermediate roller handle 3;
  • the half sleeve 4 is composed of two identical half sleeve bodies 41, and a third key groove 42 is provided on the inner wall of the half sleeve body 41;
  • the length of the connecting key 1 is equal to the length of the third key groove 42, the length of the third key groove 42 is equal to the sum of the lengths of the first key groove 21 and the second key groove 31, and the connecting key 1 is fastened in the third key groove 42 .
  • the working process of the utility model is as follows: insert the bottom of the first intermediate roller 3, namely the bottom of the mandrel, and the roll neck 2 of the first intermediate roller into the two half sleeves 41, so that the lower half of the connecting key 1 Embedded in the first keyway 21 and the second keyway 31, and the upper half of the connecting key 1 is embedded in the third keyway 42, then the two half sleeves 41 are firmly connected, and then the above assembly is installed on the twenty roller In the rolling mill, the 20-high rolling mill can be opened for processing after the other rolls are transferred.
  • the beneficial effect of the present invention is that the first keyway, the second keyway, and the third keyway are provided to cooperate with the connecting key, so that the neck of the first intermediate roller can be closely matched with the bottom of the first intermediate roller. , Assembled in the Huff sleeve, thus solving the problem of twisting of the roll neck of the first intermediate roll or serious wear of the arc position.
  • the two half sleeve bodies 41 are fastened by screws, and the connecting key 1 is fastened in the third keyway 42 by screws.
  • the size of the connecting key 1 is 12 mm*8mm*60mm.
  • the above-mentioned size can tightly connect the roll neck of the first intermediate roller and the first intermediate roller in the Huff sleeve, without affecting the working operation of the first intermediate roller.
  • the distance between the bottom of the third key groove 42 and the outer wall of the half sleeve body 41 is 50 mm.
  • the heights of the first keyway 21, the second keyway 31 and the third keyway 42 are the same, and are all equal to half the height of the connecting key 1.
  • the connecting key can be completely embedded in the cavity formed by the first keyway, the second keyway and the third keyway by the above-mentioned setting, and the roll neck of the first intermediate roller and the first intermediate roller are connected to the half sleeve.
  • the tightness of the inner connection can be completely embedded in the cavity formed by the first keyway, the second keyway and the third keyway by the above-mentioned setting, and the roll neck of the first intermediate roller and the first intermediate roller are connected to the half sleeve.
  • a 20-roll Huff sleeve device with high sealing performance including a connecting key 1, a first intermediate roll, a first intermediate roll takeover 3 and a Huff sleeve 4;
  • Two first key grooves 21 are provided on the outer side wall of the roll neck 2 of the first intermediate roller, and the two first key grooves 21 are arranged oppositely;
  • Two second key grooves 31 are provided on the outer side wall of the bottom of the first intermediate roller handle 3, and the two second key grooves 31 are arranged oppositely;
  • the half sleeve 4 is composed of two identical half sleeve bodies 41, and third key grooves 42 are respectively provided on the inner walls of the half sleeve bodies 41;
  • the length of the connecting key 1 is equal to the length of the third key groove 42
  • the length of the third key groove 42 is equal to the sum of the length of the first key groove 21 and the second key groove 31, the first key groove 21, the second key groove 31 and the first key groove
  • the height of the three key grooves 42 is the same, and they are all equal to half of the height of the connecting key 1;
  • the connecting key 1 is fastened in the third keyway 42; the two half sleeves 41 are fastened by screws, and the connecting key 1 is fastened in the third keyway 42 by screws;
  • the size of the connecting key 1 is 12 mm * 8 mm * 60 mm, and the distance between the bottom of the third key groove 42 and the outer wall of the half sleeve body 41 is 50 mm.
  • the utility model provides a first keyway, a second keyway, and a third keyway to cooperate with the connecting key, so that the neck of the first intermediate roller can be closely matched with the bottom of the first intermediate roller to be assembled in In the half sleeve, by controlling the size of the keyway and the connecting key, the connecting key can be completely embedded in the cavity formed by the first keyway, the second keyway, and the third keyway, so that the roll neck of the first intermediate roller can be tightly connected. It is connected with the first intermediate roller in the Huff sleeve, and will not affect the working operation of the first intermediate roller, and solves the problem of the roll neck of the first intermediate roller being twisted or the arc position is severely worn.

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  • Physics & Mathematics (AREA)
  • Geometry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Reduction Rolling/Reduction Stand/Operation Of Reduction Machine (AREA)

Abstract

一种高密封性的精轧二十辊哈夫套装置，属于轧钢设备领域。所述哈夫套装置包括连接键（1）、外侧壁上设有第一键槽（21）的第一中间辊的辊颈（2）、底部的外侧壁上设有第二键槽（31）的第一中间辊接手（3）、以及设有第三键槽（42）的哈夫套（4）；所述哈夫套由两个完全相同的半套体（41）组成，所述半套体的内壁上设有第三键槽；所述连接键的长度等于第三键槽的长度，所述第三键槽的长度等于第一键槽和第二键槽长度之和。该精轧二十辊哈夫套装置，通过设置第一键槽、第二键槽和第三键槽，配合连接键，使得第一中间辊的辊颈能够与第一中间辊接手的底部紧密配合，装配在哈夫套内，进而解决了第一中间辊的辊颈扭断或者圆弧度位置严重磨损的问题。

Description

高密封性的精轧二十辊哈夫套装置 技术领域
本实用新型属于轧钢设备领域，具体涉及高密封性的精轧二十辊哈夫套装置。
 背景技术
精轧二十辊的哈夫套在二十辊轧机上使用，使用时哈夫套套设于第一中间辊的辊颈和第一中间辊接手的外围，由于工作过程中轧机高速运转，且偶有震动，经常出现第一中间辊与第一中间辊接手装配后，哈夫套的两个圆弧抱不紧，导致第一中间辊的辊颈扭断或者圆弧位置严重磨损，同时由于轧机使用水溶性轧制油，使用环境相对恶劣，进一步造成轧机停机、故障，延误生产，降低产能，轧辊消耗率猛增，浪费能源。
 技术问题
为了克服上述现有技术的缺陷，本实用新型所要解决的技术问题是：提供第一中间辊与第一中间辊接手紧密连接的高密封性的精轧二十辊哈夫套装置。
 技术解决方案
为了解决上述技术问题，本实用新型采用的技术方案为：高密封性的精轧二十辊哈夫套装置，包括连接键、第一中间辊、第一中间辊接手和哈夫套；
所述第一中间辊的辊颈的外侧壁上设有第一键槽；
所述第一中间辊接手的底部的外侧壁上设有第二键槽；
所述哈夫套由两个完全相同的半套体组成，所述半套体的内壁上设有第三键槽；
所述连接键的长度等于第三键槽的长度，所述第三键槽的长度等于第一键槽和第二键槽长度之和，所述连接键紧固于第三键槽内。
其中，两个所述半套体通过螺丝紧固，所述连接键通过螺丝紧固在第三键槽内。
其中，所述连接键的尺寸为12 mm *8mm*60mm。
其中，所述第三键槽的底部距离半套体外壁的距离为50mm。
其中，所述第一键槽、第二键槽和第三键槽的高度相同，且均等于连接键高度的一半。
 有益效果
本实用新型的有益效果在于：通过设置第一键槽、第二键槽和第三键槽，配合连接键，使得第一中间辊的辊颈能够与第一中间辊接手的底部紧密配合。装配在哈夫套内，进而解决了第一中间辊的辊颈扭断或者圆弧度位置严重磨损的问题。
 附图说明
图1所示为本实用新型具体实施方式的高密封性的精轧二十辊哈夫套装置的侧视剖面结构示意图；
图2所示为本实用新型具体实施方式的高密封性的精轧二十辊哈夫套装置的哈夫套的横截面结构示意图；
图3所示为本实用新型具体实施方式的高密封性的精轧二十辊哈夫套装置的哈夫套的结构示意图；
图4所示为本实用新型具体实施方式的高密封性的精轧二十辊哈夫套装置的第一中间辊接手的结构示意图；
标号说明：1、连接键；2、第一中间辊的辊颈；21、第一键槽；3、第一中间辊接手；31、第二键槽；4、哈夫套；41、半套体；42、第三键槽。
 本发明的实施方式
为详细说明本实用新型的技术内容、所实现目的及效果，以下结合实施方式并配合附图予以说明。
本实用新型最关键的构思在于：改变第一中间辊的辊颈与第一中间辊接手在哈夫套内的连接方式，提升连接的紧密性。
请参照图1至图4所示，本实用新型的高密封性的精轧二十辊哈夫套装置，包括连接键1、第一中间辊、第一中间辊接手3和哈夫套4；
所述第一中间辊的辊颈2的外侧壁上设有第一键槽21；
所述第一中间辊接手3的底部的外侧壁上设有第二键槽31；
所述哈夫套4由两个完全相同的半套体41组成，所述半套体41的内壁上设有第三键槽42；
所述连接键1的长度等于第三键槽42的长度，所述第三键槽42的长度等于第一键槽21和第二键槽31长度之和，所述连接键1紧固于第三键槽42内。
本实用新型的工作过程为：将第一中间辊接手3的底部，即芯轴的底部，以及第一中间辊的辊颈2嵌入两个半套体41内，使得连接键1的下半部嵌入第一键槽21和第二键槽31内，而连接键1的上半部嵌入第三键槽42内，然后将两个半套体41紧固连接，然后再将上述组合件装于二十辊轧机内，待其他辊转配完毕后即可打开二十辊轧机进行加工。
从上述描述可知，本实用新型的有益效果在于：通过设置第一键槽、第二键槽和第三键槽，配合连接键，使得第一中间辊的辊颈能够与第一中间辊接手的底部紧密配合，装配在哈夫套内，进而解决了第一中间辊的辊颈扭断或者圆弧度位置严重磨损的问题。
进一步的，两个所述半套体41通过螺丝紧固，所述连接键1通过螺丝紧固在第三键槽42内。
进一步的，所述连接键1的尺寸为12 mm *8mm*60mm。
从上述描述可知，上述尺寸的能够紧密的将第一中间辊的辊颈与第一中间辊接手连接在哈夫套内，又不会对影响第一中间辊的工作运转。
进一步的，所述第三键槽42的底部距离半套体41外壁的距离为50mm。
从上述描述可知，通过上述设置可以有效避免开设第三键槽对哈夫套整体稳定性的影响。
进一步的，所述第一键槽21、第二键槽31和第三键槽42的高度相同，且均等于连接键1高度的一半。
从上述描述可知，通过上述设置连接键可完全内嵌于第一键槽、第二键槽和第三键槽组成的空腔内，提升第一中间辊的辊颈与第一中间辊接手在哈夫套内连接的紧密性。
本实用新型的实施例一为：
高密封性的精轧二十辊哈夫套装置，包括连接键1、第一中间辊、第一中间辊接手3和哈夫套4；
所述第一中间辊的辊颈2的外侧壁上设有两个第一键槽21，两个第一键槽21相对设置；
所述第一中间辊接手3的底部的外侧壁上设有两个第二键槽31，两个第二键槽31相对设置；
所述哈夫套4由两个完全相同的半套体41组成，所述半套体41的内壁上分别设有第三键槽42；
所述连接键1的长度等于第三键槽42的长度，所述第三键槽42的长度等于第一键槽21和第二键槽31长度之和，所述第一键槽21、第二键槽31和第三键槽42的高度相同，且均等于连接键1高度的一半；
所述连接键1紧固于第三键槽42内；两个所述半套体41通过螺丝紧固，所述连接键1通过螺丝紧固在第三键槽42内；
所述连接键1的尺寸为12 mm *8mm*60mm，所述第三键槽42的底部距离半套体41外壁的距离为50mm。
综上所述，本实用新型提供的通过设置第一键槽、第二键槽和第三键槽，配合连接键，使得第一中间辊的辊颈能够与第一中间辊接手的底部紧密配合，装配在哈夫套内，通过控制键槽和连接键的尺寸，连接键可完全内嵌于第一键槽、第二键槽和第三键槽组成的空腔内，进而能够紧密的将第一中间辊的辊颈与第一中间辊接手连接在哈夫套内，又不会对影响第一中间辊的工作运转，解决了第一中间辊的辊颈扭断或者圆弧度位置严重磨损的问题。
以上所述仅为本实用新型的实施例，并非因此限制本实用新型的专利范围，凡是利用本实用新型说明书及附图内容所作的等同变换，或直接或间接运用在相关的技术领域，均同理包括在本实用新型的专利保护范围内。

Claims (5)

  1. 高密封性的精轧二十辊哈夫套装置，其特征在于，包括连接键、第一中间辊、第一中间辊接手和哈夫套；
    所述第一中间辊的辊颈的外侧壁上设有第一键槽；
    所述第一中间辊接手的底部的外侧壁上设有第二键槽；
    所述哈夫套由两个完全相同的半套体组成，所述半套体的内壁上设有第三键槽；
    所述连接键的长度等于第三键槽的长度，所述第三键槽的长度等于第一键槽和第二键槽长度之和，所述连接键紧固于第三键槽内。
  2. 根据权利要求1所述的高密封性的精轧二十辊哈夫套装置，其特征在于，两个所述半套体通过螺丝紧固，所述连接键通过螺丝紧固在第三键槽内。
  3. 根据权利要求1所述的高密封性的精轧二十辊哈夫套装置，其特征在于，所述连接键的尺寸为12mm *8mm*60mm。
  4. 根据权利要求1所述的高密封性的精轧二十辊哈夫套装置，其特征在于，所述第三键槽的底部距离半套体外壁的距离为50mm。
  5. 根据权利要求1所述的高密封性的精轧二十辊哈夫套装置，其特征在于，所述第一键槽、第二键槽和第三键槽的高度相同，且均等于连接键高度的一半。
PCT/CN2019/083858 2019-03-11 2019-04-23 高密封性的精轧二十辊哈夫套装置 WO2020181625A1 (zh)

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CN111195654B (zh) * 2020-02-29 2021-09-03 东台市华裕机械配件有限公司 一种浮动式有色金属热轧辊以及加工方法
CN111167864B (zh) * 2020-02-29 2021-08-06 东台市华裕机械配件有限公司 一种有色金属热轧辊以及加工方法

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