CN101254506A - 多出口轧机 - Google Patents

多出口轧机 Download PDF

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Publication number
CN101254506A
CN101254506A CNA2008100097923A CN200810009792A CN101254506A CN 101254506 A CN101254506 A CN 101254506A CN A2008100097923 A CNA2008100097923 A CN A2008100097923A CN 200810009792 A CN200810009792 A CN 200810009792A CN 101254506 A CN101254506 A CN 101254506A
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district
rolled
outlet
output
rolled piece
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CN101254506B (zh
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T·M·肖尔
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Metal technology America Limited
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Morgan Construction Co
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    • 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
    • B21B1/24—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 in a continuous or semi-continuous process
    • B21B1/26—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 in a continuous or semi-continuous process by hot-rolling, e.g. Steckel hot mill
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B41/00—Guiding, conveying, or accumulating easily-flexible work, e.g. wire, sheet metal bands, in loops or curves; Loop lifters
    • B21B41/08—Guiding, conveying, or accumulating easily-flexible work, e.g. wire, sheet metal bands, in loops or curves; Loop lifters without overall change in the general direction of movement of the 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
    • B21B1/16—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 wire rods, bars, merchant bars, rounds wire or material of like small cross-section
    • 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
    • B21B39/18—Switches for directing work in metal-rolling mills or trains

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Metal Rolling (AREA)
  • Grinding Of Cylindrical And Plane Surfaces (AREA)

Abstract

本发明涉及一种多出口轧机。在具有较高的第一产量的初轧区与具有较低的第二产量的多个出口轧区中的每一个之间插设储存器。每个储存器构造和设置成以初轧区的较高的第一产量从初轧区接收中间轧件，并将中间轧件以相关的出口轧区的相应的较低的第二产量传送到该相关的出口轧区。由于第一和第二产量之差所引起的过量的中间轧件暂时地存储在储存器中。转撤器将来自初轧区的相继的中间轧件段经由选择的出口轧区的相应储存器而引导到这些选择的出口轧区，以同时将成品轧件整理成包。

Description

多出口轧机
技术领域
本发明总的涉及设计为生产长材轧件的连续热轧轧机。
背景技术
设计为生产长材轧件的传统轧机通常包括初轧区，该初轧区包含用于再加热坯料的炉子，在该炉子之后是粗轧和中轧机架，这些机架将加热的坯料轧制成横截面积减小的中间轧件。然后有选择且单独地采用不同地配置的出口轧区，以根据客户的要求附加地将中间轧件轧制成最终轧件，并将这些最终轧件整理成包。
初轧区具有较高的“第一”产量，该“第一”产量在大多数情况下高于各个出口轧区的较低的“第二”产量。这样，对于大多数轧机成品轧件来说，因为整个轧机必须降低产量以匹配当前所使用的出口轧区的较低的第二产量，所以初轧区的较高的第一产量是无法实现的。这样所导致的降低的产量加上对当时未使用的出口轧区的投资(称作“死钱”)，会给轧机经营者带来极大的损失。
本发明的目的是提供一种用于使多个不同的轧机出口区以组合的产量同时工作的装置，该组合的产量高于各个出口的第二产量，且理想地等于初轧区较高的第一产量，从而可最大地限度地利用该较高的第一产量。
发明内容
根据本发明，在初轧区与每个出口轧区之间插设储存器。每个储存器构造和设置成以较高的第一产量从初轧区接收中间轧件，并将中间轧件以相关的出口轧区的相应的较低的第二产量传送到该相关的出口轧区。由于第一和第二产量之差所引起的过量的中间轧件暂时地存储在储存器中。转撤器将来自初轧区的相继的中间轧件段经由选择的出口轧区的相应储存器引导到这些选择的出口轧区，以同时将成品轧件整理成包。
现将参照附图描述前述和相关的目的和附加的优点，在所述附图中：
附图说明
图1和2是具体实施本发明的概念的示例性轧机布置的示意图；
图3是根据传统实践的示例性轧机布置的示意图；以及
图4A和4B是描绘图1和2所示的轧机布置的轧制序列的时间图。
具体实施方式
如图3所示，构造成轧制长材轧件的传统轧机将包括炉子10，用于再加热接收自贮藏场12的坯料。典型的坯料13具有130×130至250×240mm的方形横截面、5-14米的长度以及重约1,500-4,000kg。在一系列粗轧和中轧机架(集合地示于14处)中轧制再加热的坯料，以生产中间轧件16，例如直径为20-35mm的圆形轧件。炉子10以及粗轧和中轧机架14构成初轧区“IMS”，该初轧区通常具有大约每小时150至360吨的相对较高的第一产量。
转撤器18用来有选择地将中间轧件16引导到若干出口轧区OMS1、OMS2及OMS3中的一个。出口轧区OMS1具有设有预精轧机架20和精轧单元24的生产线，所述预精轧机架将中间轧件16轧制成具有16-28mm的减小的直径的圆形轧件22，而所述精轧单元生产出直径为5-22mm的成品轧件26。然后，对成品轧件26进行进一步的加工，包括由吐丝头30形成诸环28，且使诸环以斯宾塞(Spencerian)形式被接纳在冷却输送器32上，该输送器将诸环输送到重新成形腔34，在该重新成形腔中它们被聚集成直立的线圈。出口轧区OMS1通常以约每小时70-150吨的最大第二产量工作。
出口轧区OMS2的生产线包括预精轧机架20和两个精轧单元24，所述预精轧机架将中间轧件轧制成所谓的“狗骨形”截面，然后将具有这样截面的轧件切开成具有16-28mm的减小的直径的圆形轧件38，所述精轧单元将圆形轧件38轧制成相同的8.0mm的成品轧件26。那些成品轧件被引导到冷床40，各段轧件在该冷床上冷却，然后在捆扎工位42处收集并捆扎成束。出口轧区OMS2通常以每小时25-150吨的最大第二产量工作。
出口轧区OMS3包括预精轧机架20和精轧单元24。这里，同样是8.0mm的圆形轧件的成品轧件被引导到转撤器44，该转撤器交替地进给两个绕线轴46a、46b。出口轧区OMS3的最大第二产量也是每小时25-150吨。
在该传统的轧机布置中，出口轧区OMS1、OMS2及OMS3必须以它们相应的第二产量单独地工作，而无法同时工作。因此，如果初轧区具有比方说每小时300吨的产量，并且转撤器18设定成将中间轧件段引导到出口轧区OMS1，则整个轧机必须放慢到该出口轧区的第二产量，而其它出口轧区OMS2和OMS3则仍是空闲的。使用一个或另一个出口轧区OMS2和OMS3也会使轧机产量降低到初轧区的最大值之下。
根据本发明的一个实施例，如图1所示，初轧区IMS基本上保持不变。出口轧区OMS3已被重新配置有预精轧机架20，该预精轧机架生产出可切开成圆形轧件的狗骨形截面并将其进给到两个精轧单元24。然后将成品轧件引导到转撤器44，该转撤器交替地进给成对的绕线轴46a、46b。已在每个出口轧区之前安装了储存器48。这些储存器较佳的是美国专利第7,021,103号中所描述的类型，该专利所描述的内容以参见方式纳入本文。
每个储存器48构造和设置成以初轧区IMS的产量接收中间轧件，同时将这些中间轧件以相关的出口轧区的降低的产量传送到该相关的出口轧区，且将由于产量差所导致的过量的中间产品暂时地存储在储存器中。
举例来说，假定在图1的轧机布置中，初轧区IMS的产量为每小时275吨，而出口轧区OMS1、OMS2及OMS3分别具有每小时75、100和100吨的产量。参见图4A，典型的轧制序列以中间轧件段被引导到出口轧区OMS1的储存器48开始。以每小时275顿的初轧区第一产量接收中间轧件，并同时将中间轧件从储存器以每小时75吨的产量分配给生产线。不同的产量之间所产生的差量被暂时地存储在储存器上。整个中间轧件段在时段t1结束时被接收在储存器上，并在时段t2结束时被出口轧区OMS1完全加工好。
一旦整个中间轧件段已接收在OMS1的储存器上，则可将下一轧件段引导到OMS2的储存器。这种分阶段的过程继续进行至OMS3。当OMS3的储存器已接收整个中间轧件段时，OMS1的储存器是空的并准备好接收下一轧件段。因此，可以看到，通过由于插设储存器49而可以顺序地利用多个出口轧区，轧机就能以其每小时275吨的最大产量连续地工作。
图2示出了与图1相似的轧机布置，但增加了出口轧区OMS1′和有选择地进给OMS1′和OMS1中的一个或另一个的转撤器50。这里，初轧区IMS的产量增加到每小时350吨。
图4B示出了用于图2的布置的典型轧制序列。这里同样的是，分阶段的轧制序列使得能够以初轧区的最大产量连续地进行轧制。

Claims (2)

1.一种轧机，该轧机包括：
初轧区，该初轧区配置和设置成再加热坯料并以第一产量将所述坯料连续地轧制成中间轧件；
多个不同地配置的出口轧区，这些出口轧区构造和设置成以低于所述第一产量的第二产量又将所述中间轧件轧制成成品轧件并整理成包，所述出口轧区中的至少一些出口轧区所生产出的轧件包的形式与所述出口轧区中的其它轧区所生产出的轧件包的形式不同；
插设在每个所述出口轧区与所述初轧区之间的储存器，每个所述储存器配置和设置成以所述第一产量接收所述中间轧件，并以相关的出口轧区的相应第二产量将所述中间轧件传送到所述相关的出口轧区，且由于所述第一和第二产量之差所引起的过量的中间轧件暂时地存储在所述储存器中；以及
转撤器装置，该转撤器装置用于从初轧区接收相继段的所述中间轧件，并有选择地将所述中间轧件经由选择的出口轧区的相应储存器而引导到所述选择的出口轧区，以同时加工成成品轧件。
2.如权利要求1所述的轧机，其特征在于，各所述出口轧区可以总计等于所述第一产量的各第二产量同时工作。
CN2008100097923A 2007-02-15 2008-02-14 多出口轧机 Expired - Fee Related CN101254506B (zh)

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US11/675,276 US7316145B1 (en) 2007-02-15 2007-02-15 Multiple outlet rolling mill
US11/675,276 2007-02-15

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US (1) US7316145B1 (zh)
EP (1) EP1958709B1 (zh)
JP (1) JP5090953B2 (zh)
KR (1) KR100978988B1 (zh)
CN (1) CN101254506B (zh)
AR (1) AR065358A1 (zh)
AT (1) ATE509710T1 (zh)
AU (1) AU2008200710B2 (zh)
BR (1) BRPI0800165A (zh)
CA (1) CA2616935C (zh)
CL (1) CL2008000465A1 (zh)
CZ (1) CZ200864A3 (zh)
ES (1) ES2366831T3 (zh)
MX (1) MX2008002184A (zh)
PL (1) PL1958709T3 (zh)
RU (1) RU2380178C2 (zh)
SA (1) SA08290063B1 (zh)
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EP1958709B1 (en) 2011-05-18
US7316145B1 (en) 2008-01-08
CL2008000465A1 (es) 2009-01-16
AR065358A1 (es) 2009-06-03
BRPI0800165A (pt) 2008-10-07
CN101254506B (zh) 2010-09-29
KR100978988B1 (ko) 2010-08-30
CZ200864A3 (cs) 2008-08-27
RU2008105735A (ru) 2009-08-20
UA91556C2 (en) 2010-08-10
KR20080076796A (ko) 2008-08-20
SA08290063B1 (ar) 2011-03-15
CA2616935C (en) 2011-02-22
CA2616935A1 (en) 2008-08-15
RU2380178C2 (ru) 2010-01-27
TWI373381B (en) 2012-10-01
ZA200800370B (en) 2009-03-25
JP2008194753A (ja) 2008-08-28
PL1958709T3 (pl) 2011-10-31
TW200918194A (en) 2009-05-01
AU2008200710B2 (en) 2010-03-04
JP5090953B2 (ja) 2012-12-05
AU2008200710A1 (en) 2008-09-04
ES2366831T3 (es) 2011-10-25
MX2008002184A (es) 2009-02-25
EP1958709A1 (en) 2008-08-20
ATE509710T1 (de) 2011-06-15

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