CN1069236C - 对在冷轧和带式运输设备出口的冷轧带材进行干燥的装置 - Google Patents

对在冷轧和带式运输设备出口的冷轧带材进行干燥的装置 Download PDF

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CN1069236C
CN1069236C CN96122491A CN96122491A CN1069236C CN 1069236 C CN1069236 C CN 1069236C CN 96122491 A CN96122491 A CN 96122491A CN 96122491 A CN96122491 A CN 96122491A CN 1069236 C CN1069236 C CN 1069236C
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D·道布
W·登克
J·施梅尔泽
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Abstract

一种冷轧带材干燥装置包括：一块固定设置的挡板，其一部份在带材输出口上方连接到机架平台，另一部份在带材输出口下方连接到底板；一块带有可移动部件的、用于在带材输出口上下更换轧辊的可移动挡板；一个从成品带材上去除轧制介质的辊身吹风个机；一个用于将位于带材之上的轧制空间和带材隔开的辊缝密封件；一个用于在带材输出口上方、在输出侧辊缝中产生一个垂直于带材的气流的带缘吹风机构；一个用于在带材通道中、在带材上下产生一股与带材运行方向相反的气流的的抽风机构。

Description

对在冷轧和带式运输设备出口的冷轧带材进行干燥的装置
本发明涉及一种在冷轧和带式运输设备出口侧、借助在带材输出口区域排出轧制润滑液和/或去除吸附在带材上表面的喷液的机构对冷轧带材进行干燥的装置。
生产者们对“冷轧带材”产品提出最优先的要求是：除了良好的表面平坦度和最佳带厚公差之外，还有冷轧和带式运输设备出口的冷轧带材的干燥度，这样操作是为了避免由于表面缺陷如斑点对带材再加工。
在现有技术中披露了许多目的在于获得无水份和无轧制介质的干燥带材的装置和措施。为此，根据不同情况使用了吹风装置、挡板、挡风装置以及上述装置和措施的组合。
例如在DE 4422422A1中公开了一种将在一个轧机机座出口的一个工作辊与一块挡板之间的缝隙不接触地密封起来的装置，该装置的特征如下：a)挡板有一个端部挡隔件，该挡隔件相对工作辊表面大致切向的位置，并且与工作辊上表面和轧件上表面距离相当小；b)挡隔件是有至少一个接通压缩空气源的压缩空气导入槽，该导入槽在轧制辊方向沿着轧制表面延伸的缝隙或喷嘴以很小的距离通入；c)缝隙式喷嘴的吹气方向与一条由喷口向工作辊转轴延伸的法线之间产生一个交角，该交角沿轧辊转动方向为0-45度，最好是30度角；d)挡隔件端部在其前侧有一个大致切向设置的、距离轧辊上表面很近的、呈刀形减小的端部件，该端部件如此的构成并且设置，即根据喷射器技术，该端部件在其与轧辊上表面之间形成一个其横截面连续扩宽的流动通道，该流动通道至少在轧件宽度上与工作辊平行地延伸。
已知的制造干燥带材的装置和措施能量消耗非常大并且很复杂，以及无论是更换轧辊还是调整辊缝，它们都形成妨碍并且产生一个干扰的噪音级。
在不同情况下，将不希望的水份从带材表面上足够的去除，并由此得到符合要求的干燥冷轧带材是无法达到的，这是由于没有充分重视冷凝物的原因和/或水份带回带材上表面的缘故。在此涉及到以下原因：
-轧制介质由轧辊携带并甩向流出的带材，
-轧制介质透过辊缝喷在带材边缘继续达到带材上，
-雾气在装置出口区域冷凝并落到带材上。
为了获得充份去除造成麻烦的水份的冷轧带材，一种装置必须具备复杂的机构，它必须同时考虑由于水份而在流出的带材上表面形成冷凝物的所有原因并且补偿这些原因造成的影响。
由于这种现有技术，本发明的任务在于提供一种简单的、可以由适用于轧机的结构部件制成的装置，在由冷轧和带式运输设备输出时，该装置能够防止或清除带材上表面的湿气冷凝物，在结构部件成本和能量消耗合理的情况下可以生产该结构部件，并且它可以毫无问题地安装在一个轧机机架的出口区域内，该装置在更换轧辊和调整辊缝时不会造成干扰，并同时产生一个低噪音级。
根据本发明的在冷轧和带式运输设备出口侧、借助在带材输出口区域排出轧制润滑液和/或去除吸附在带材上表面的喷液的机构对冷轧带材进行干燥的装置，其特征在于，在共同作用时，该机构逻辑配置而归属于一个功能单元，这种装置具有如下结构部件：
a)一块固定设置的挡板，其一部份在带材输出口上方连接到平台，另一部份在带材输出口下方连接到底板；
b)一块带有可移动部件的、用于顺利实现轧辊更换的可移动的挡板；
c)一个用于从成品带材上排除被挤压出的轧制介质的辊身吹风机构；
d)一个用于将位于带材之上的轧制空间和带材隔开的辊缝密封件；
e)一个用于在带材输出口上方于输出侧辊缝内产生一垂直于带材的气流的带缘吹风机构；
f)一个用于在带材通道中、在带材上下产生一个与带材运行方向相反的平行对流气流的抽风机构。
通过一块固定设置的挡板将潮湿的轧制区与精轧带材有利地隔断开，所述挡板的一部分由输出带材以上通到机架平台，另一部份由输出带材以下通到底板。一块由可移动部件构成的附加的挡板用于尽可能地将潮湿的轧制区与精轧带材隔断开，但是由于部件的可移动性，轧辊的可接触性(如进行轧辊的更换)是可以实现的。同时，这些可移动的部件使一个带材引出装置和/或一个带材传导装置起作用。此外，所述由构成挡板的可移动部件可以有选择地机械固定或可以根据辊身磨损情况进行调整。
辊身吹风机阻止了挤出的轧制介质转移到精轧带材上；辊缝密封件将位于带材之上的轧制空间与精轧带材隔开；带缘吹风机在输出带材之上的输出侧辊缝中产生一股垂直于带材的气流，并且该机构将附着的轧制润滑油从带边缘的一侧吹离带材。
所述抽风机构通过一股在输出带材上下平行的对流气流将带材产生的所有雾气抽出。为此如此铺设抽风管路，即通过该管路将大量空气体积产生的雾气抽出。
为了能容易地实现(例如在带材撕裂后)带材的可接近性，带材通道的盖可以打开。
所有这些单个部件的协调共同作用及用于现有应用场合的专门设计，以及相互调整和规定的工作方式构成了作为本发明核心的基本要素。此外，该装置可以有利地由一个简单而适合于轧机的结构部件制成，在合理的能量消耗情况下，该装置以最佳方式实现上述功能，即对从轧机机架中输出的产品“冷轧带材”进行有效的干燥。
图中示出本发明的一个示意的实施例(所谓的“干式带材生产设备”)，同时，可以从图中看出其它有利的细节。
在删去实际的轧机机架的情况下，图中示出两个支承辊(31、32)和一对在该支承辊之间的工作辊(33、34)。辊缝(12)位于工作辊之间。
在该冷轧和带式运输设备出口对冷轧带材进行干燥的装置是有在带材输出口(10)区域排出轧制介质和水份和/或去除吸附在带材(30)上表面的喷液的联合作用机构。该装置的特征在于，在共同作用中该机构逻辑配置而归属于一个功能单元。这种装置具有以下结构部件：
a)一块固定设置的挡板(1、2)，其一部份(1)在带材输出口(10)上方连接到机架平台，另一部份(2)在带材输出口下方连接到底板；
b)一块带有可移动部件(20、21)的、用于在带材输出口(10)上下无问题地实现轧辊更换的可移动挡板；
c)一个用于从成品带材(30)上排除被挤压出的轧制介质的辊身吹风机构(3)；
d)一个用于将带材(30)之上的轧制空间(11)和带材(30)隔开的辊缝密封件(4)；
e)一个用于在带材输出口(10)之上方于输出侧辊缝(12)中产生一个垂直于带材(30)的气流的带缘吹风机构(5)；
f)一个用于带材通道(14)中的、在带材(30)上方和下方产生一个与带材运行方向(13)相反的平行方向气流的抽风机构(6)。
该可移动挡板的部件(20、21)的结构是有利的摆动或线性移动的构成。它们根据双转向机构(24)和一个动力结构(22)而如此的设计，即它们能同时使与可移动部件(20)成一体的辊身吹风机构(3)、辊身密封件(4)以及带缘吹风机构(5)由图中所示的有效位置提升到工作辊(33)区域。所述动力机构(22)最好是一个气压缸，也可以是一个液压缸或是一个电动伺服驱动装置。
类似的可移动部件(21)在带材输出口(10)之下通过动力机构(23)而绕轴(25)摆动。
另外，带材通道(14)的上盖(15)可以打开。通过该可移动挡板的部件和带材通道(14)的上盖(15)的这种可移动结构，保证了工作辊(33、34)以及辊缝(12)和带材(30)是可以接近的，并且保证无需费时的改建措施。
可以清楚地看到，该装置所有部件的组合以专门为现有的应用场合的设计的协调整工作方式构成了本发明的主要特征。
该装置最好同一个与带材宽度有关的辊缝润滑机构一起工作，该润滑机构与轧辊轴向固定或移动或轧辊交叉布置无关。
如此设计本装置，它可靠地阻止了水份以雾冷凝物或水滴的形式落到带材(30)上，并且由此使带材质量最佳化。为此，诸如由吸雾机构(16)以及与其在带材(30)上方的轧制空间(11)内共同工作的辊身吹气机构(3)和辊缝密部件(14)在带材通道(14)中产生的、相对带材运行方向(13)相反的抽气流的方向是很重要的。
所述装置构成一个功能单元或一个由适于轧机的简单结构部件构成的系统，并在合理所能量消耗情况下产生出干燥的带材。只要本发明以最佳工作方式工作就可以实现上述任务。

Claims (8)

1．一种在冷轧和带式运输设备出口侧、借助在带材输出口区域排出轧制润滑液和/或去除吸附在带材(30)上表面的喷液的机构对冷轧带材进行干燥的装置，其特征在于，在共同作用时，该机构逻辑配置而归属于一个功能单元，这种装置具有如下结构部件：
a)一块固定设置的挡板(1、2)，其一部份(1)在带材输出口(10)上方连接到平台，另一部份(2)在带材输出口(10)下方连接到底板；
b)一块带有可移动部件(20、21)的、用于顺利实现轧辊更换的可移动的挡板；
c)一个用于从成品带材(30)上排除被挤压出的轧制介质的辊身吹风机构(3)；
d)一个用于将位于带材(30)之上的轧制空间(11)和带材(30)隔开的辊缝密封件(4)；
e)一个用于在带材输出口(10)上方于输出侧辊缝(12)内产生一垂直于带材(30)的气流的带缘吹风机构(5)；
f)一个用于在带材通道(14)中、在带材(30)上下产生一个与带材运行方向(13)相反的平行对流气流的抽风机构(6)。
2．如权利要求1所述的装置，其特征在于，所述可移动挡板的部件(21、22)可以摆动。
3．如权利要求1所述的装置，其特征在于，所述可移动挡板的部件(21、22)可以作线性移动。
4．如权利要求1的述的装置，其特征在于，所述可移动挡板的至少一个部件(21)构成带材引出装置或带材导向装置。
5．如权利要求1所述的装置，其特征在于，为了实现所述部件(21、22)的运动，设置了气缸(23、24)。
6．如权利要求1或2所述的装置，其特征在于，所述辊身吹风机构(3)、辊缝密封件(4)、带缘吹风机构(5)与所述可移动挡板的部件(20)成一体。
7．如权利要求1或2所述的装置，其特征在于，所述带材通道(14)有一个可打开的顶盖(15)。
8．如权利要求1或2所述的装置，其特征在于，该装置配有一个与带材宽度有关的辊缝润滑机构。
CN96122491A 1995-09-22 1996-09-21 对在冷轧和带式运输设备出口的冷轧带材进行干燥的装置 Expired - Lifetime CN1069236C (zh)

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DE19535158A1 (de) 1997-03-27
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TW440527B (en) 2001-06-16
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CN1160609A (zh) 1997-10-01
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