WO2011134219A1 - 乳化液边部窜流阻断装置 - Google Patents

乳化液边部窜流阻断装置 Download PDF

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Publication number
WO2011134219A1
WO2011134219A1 PCT/CN2010/075965 CN2010075965W WO2011134219A1 WO 2011134219 A1 WO2011134219 A1 WO 2011134219A1 CN 2010075965 W CN2010075965 W CN 2010075965W WO 2011134219 A1 WO2011134219 A1 WO 2011134219A1
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Prior art keywords
baffle
nut
rail
emulsion
screw
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PCT/CN2010/075965
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English (en)
French (fr)
Inventor
丁文红
贺文健
杨威
邹振华
王毅
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中冶南方工程技术有限公司
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Publication of WO2011134219A1 publication Critical patent/WO2011134219A1/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
    • B21B27/06—Lubricating, cooling or heating rolls
    • B21B27/10—Lubricating, cooling or heating rolls externally
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B12/00—Arrangements for controlling delivery; Arrangements for controlling the spray area
    • B05B12/16—Arrangements for controlling delivery; Arrangements for controlling the spray area for controlling the spray area
    • B05B12/32—Shielding elements, i.e. elements preventing overspray from reaching areas other than the object to be sprayed
    • B05B12/36—Side shields, i.e. shields extending in a direction substantially parallel to the spray jet

Definitions

  • the invention belongs to the technical field of cold-rolled emulsified plaque treatment, and particularly relates to a blocking device for turbulent edge of an emulsion in a rolling process of a cold rolling mill, which is applied to various cold rolling mill units.
  • the emulsion for rolling lubrication flows through the roll of the work roll at the edge of the strip to the strip at the exit of the mill, causing the emulsion to remain, as shown in Fig. 1.
  • an emulsion edge turbulence blocking device which is characterized in that it comprises an upper rail, a screw rod, a first nut, a support bearing seat, an upper right injection baffle, and a coupling.
  • the middle of the screw is a polished rod, the left and right parts of the screw are respectively provided with external threads, screw The external thread of the left part is opposite to the thread of the external thread of the right part of the screw rod; the first nut is screwed to the left part of the screw rod, and the second nut is screwed to the right part of the screw rod, and the middle part of the screw rod is connected with the support bearing seat by the bearing,
  • the support bearing seat is fixed on the upper emulsion spray beam;
  • the gear motor is fixed on the upper emulsion spray beam, and the output shaft of the gear motor is connected by the coupling to the right end of the screw;
  • the upper rail and the lower rail are both perpendicular to the rolling direction The direction is arranged, the upper rail is fixed on the upper emulsion spray beam, and the lower rail is fixed on the lower emulsion spray beam; the upper end of the upper left injection baffle is
  • the utility model has the beneficial effects that the gear motor (can be reversed and reversed) drives the screw rod to rotate through the coupling, thereby driving the first nut and the second nut to move (simultaneously moving inward or simultaneously moving outward) to drive the upper right injection.
  • the baffle and the upper left injection baffle, the lower left injection baffle and the lower right injection baffle are moved to the designated position on the upper rail and the lower rail to ensure that the opening degree between the jet baffle and the jet baffle is the same as the width of the incoming strip. Ensure that the emulsion is not sprayed in areas other than the width of the strip, effectively avoiding the problem of turbulence of the ultra-wide jet emulsion to the outlet side.
  • Figure 1 is a schematic view of the turbulent flow at the edge of the emulsion
  • Figure 2 is a conventional emulsion side turbulence solution diagram
  • Figure 3 is a schematic structural view of the present invention.
  • Figure 4 is a cross-sectional view taken along line A-A of Figure 3;
  • the emulsion side turbulence blocking device comprises an upper rail 1, a lead rod 2, a first nut 3, a support bearing seat 6, an upper right injection baffle 7, and a coupling 8, a gear motor 9, a second nut 11, a lower rail 12, an upper left injection flap 13, a lower left jet baffle 14, and a lower right jet baffle 15;
  • the middle of the screw 2 is a polished rod (shaft), the left portion of the screw 2
  • the right part is respectively provided with an external thread, and the external thread of the left part of the screw rod 2 is opposite to the thread of the external thread of the right part of the screw rod 2; the left part of the screw rod 2 is screwed with the first nut 3, and the right part of the screw rod 2 is rotated by the first part.
  • the support bearing seat 6 is fixed (such as bolted) on the upper emulsion spray beam 4;
  • the gear motor 9 is fixed (such as bolted) in the upper emulsion On the spray beam 4, the output shaft of the gear motor 9 is connected to the right end of the screw rod 2 by the coupling 8;
  • the upper rail 1 and the lower rail 12 are arranged in a direction perpendicular to the rolling direction, and the upper rail 1 is fixed (such as a bolted joint or Welding) on the upper emulsion spray beam 4 (the upper rail 1 is above the incoming strip 5) and the lower rail 12 is fixed (eg bolted or Welding) on the lower emulsion spray beam 16 (the upper emulsion spray beam 4 and the lower emulsion spray beam 16 are conventional equipment; the lower rail 12 is located below the incoming strip 5); the upper end of the upper left injection baffle 13 and the A nut 3 is fixedly connected (
  • the slider can be used, the chute can be used, the upper left ejection flap 13 and the upper right ejection flap 7 can be moved along the upper rail 1), and the upper left ejection flap 13 is located on the left side of the upper right ejection flap 7; the lower left jet
  • the plate 14 and the lower right injection baffle 15 are all located on the lower rail 12 (the slider and the chute can be adopted, the lower left injection baffle 14 and the lower right injection baffle 15 can be moved along the lower rail 12), and the lower left injection baffle 14 is located on the left side of the lower right injection baffle 15, and the lower left injection baffle 14 is fixedly connected to the upper left injection baffle 13 by a connecting plate (such as bolted or welded, or may be an integral structure), and the lower right injection baffle 15 is connected by The plate is fixedly connected to the upper right spray baffle 7 (such as a bolt Bonding or welding, or may be a unitary structure).
  • the PLC calculates the moving distance of the jetting baffle in the emulsion side turbulence blocking device according to the width dimension of the rolled strip.
  • the gear motor 9 (can be reversed and reversed) drives the screw 2 to rotate through the coupling 8, thereby driving the first nut 3 and the second nut to move (simultaneously moving inward, or simultaneously moving outward),
  • the upper right injection baffle 7 and the upper left injection baffle 13 and the lower left injection baffle 14 and the lower right injection baffle are moved on the upper rail 1 and the lower rail 12 to a designated position to ensure an opening between the ejection baffle and the ejection baffle
  • the degree and the width of the incoming strip 5 are the same. It is ensured that the emulsion is not sprayed in the area other than the strip width, and the problem of turbulence of the ultra-wide jet emulsion to the outlet side is effectively avoided.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)

Description

乳化液边部窜流阻断装置 技术领域
本发明属于冷轧乳化斑处理技术领域，具体涉及一种冷轧轧机轧制过程中乳化液边部窜流的阻断装置，应用于各类冷轧轧机机组。
 背景技术
冷轧轧机轧制过程中，用于轧制润滑的乳化液通过带钢边部的工作辊辊缝窜流到轧机出口的带钢上，造成乳化液残留，如图1所示。
传统上在紧靠辊缝处采用大流量的压缩空气进行边部吹扫，阻断乳化液的窜流。如图2所示。 但是采用图2所示方案会带来如下技术问题：
1、带钢上下表面吹扫气流相互干扰，造成边部窜流无法彻底解决；
2、局部大流量的压缩空气带来的对流效应会使轧辊局部温度降低，热凸度改变，不利于带钢的板形控制；
3、带钢边部大流量的压缩空气吹扫会造成轧辊的局部温降，导致轧辊辊身在带钢边部出现应力不均，缩短轧辊的使用寿命；
4、大量压缩空气的使用，使吨钢电耗迅速上升；
5、大流量的压缩空气吹扫造成现场噪音严重。
 技术问题
本发明的目的在于提供一种乳化液边部窜流阻断装置，该装置可有效避免超宽喷射的乳化液向出口侧的窜流问题。
 技术解决方案
为了实现上述目的，本发明所采用技术方案是：乳化液边部窜流阻断装置，其特征在于它包括上导轨、丝杆、第一螺母、支撑轴承座、右上喷射挡板、联轴器、齿轮电机、第二螺母、下导轨、左上喷射挡板、左下喷射挡板、右下喷射挡板；丝杆的中部为光杆，丝杆的左部、右部分别设有外螺纹，丝杆左部的外螺纹与丝杆右部的外螺纹的螺纹方向相反；丝杆左部旋有第一螺母，丝杆右部旋有第二螺母，丝杆的中部由轴承与支撑轴承座相连，支撑轴承座固定在上乳化液喷射梁上；齿轮电机固定在上乳化液喷射梁上，齿轮电机的输出轴由联轴器与丝杆右端相连；上导轨、下导轨均沿与轧制方向垂直的方向布置，上导轨固定在上乳化液喷射梁上，下导轨固定在下乳化液喷射梁上；左上喷射挡板的上端与第一螺母固定连接，右上喷射挡板的上端与第二螺母固定连接，左上喷射挡板、右上喷射挡板均位于上导轨上，左上喷射挡板位于右上喷射挡板的左侧；左下喷射挡板、右下喷射挡板均位于下导轨上，左下喷射挡板位于右下喷射挡板的左侧，左下喷射挡板由连接板与左上喷射挡板固定连接，右下喷射挡板由连接板与右上喷射挡板固定连接。
 有益效果
本发明的有益效果是：齿轮电机（可正反转）通过联轴器带动丝杆旋转，从而带动第一螺母、第二螺母移动（同时向内移动，或同时向外移动），带动右上喷射挡板与左上喷射挡板、左下喷射挡板与右下喷射挡板在上导轨、下导轨上移动到指定位置，保证喷射挡板与喷射挡板之间的开口度和来料带钢宽度一致；确保在带钢宽度以外的区域不喷射乳化液，有效避免了超宽喷射的乳化液向出口侧的窜流问题。
 附图说明
图1为乳化液边部窜流示意图；
图2为传统的乳化液边部窜流解决方案图；
图3为本发明的结构示意图；
图4为图3中沿A-A线的剖视图；
图中：1-上导轨，2-丝杆，3-第一螺母，4-上乳化液喷射梁，5-来料带钢，6-支撑轴承座，7-右上喷射挡板，8-联轴器，9-齿轮电机，10-喷射梁保护罩，11－第二螺母，12－下导轨，13－左上喷射挡板，14－左下喷射挡板，15－右下喷射挡板，16－下乳化液喷射梁，17－上中间辊，18－上工作辊，19－下工作辊，20－下中间辊，21－边部窜流区，22－压缩空气吹扫梁，23－上、下压缩空气吹扫梁吹扫区域中性点。图中的箭头表示轧制方向。
 本发明的最佳实施方式
如图3、图4所示，乳化液边部窜流阻断装置，它包括上导轨1、丝杆2、第一螺母3、支撑轴承座6、右上喷射挡板7、联轴器8、齿轮电机9、第二螺母11、下导轨12、左上喷射挡板13、左下喷射挡板14、右下喷射挡板15；丝杆2的中部为光杆（轴），丝杆2的左部、右部分别设有外螺纹，丝杆2左部的外螺纹与丝杆2右部的外螺纹的螺纹方向相反；丝杆2左部旋有第一螺母3，丝杆2右部旋有第二螺母11，丝杆2的中部由轴承与支撑轴承座6相连，支撑轴承座6固定（如螺栓连接）在上乳化液喷射梁4上；齿轮电机9固定（如螺栓连接）在上乳化液喷射梁4上，齿轮电机9的输出轴由联轴器8与丝杆2右端相连；上导轨1、下导轨12均沿与轧制方向垂直的方向布置，上导轨1固定（如螺栓连接或焊接）在上乳化液喷射梁4上（上导轨1位于来料带钢5的上方），下导轨12固定（如螺栓连接或焊接）在下乳化液喷射梁16上（上乳化液喷射梁4、下乳化液喷射梁16为现有设备；下导轨12位于来料带钢5的下方）；左上喷射挡板13的上端与第一螺母3固定连接（如螺栓连接或焊接），右上喷射挡板7的上端与第二螺母11固定连接（如螺栓连接或焊接），左上喷射挡板13、右上喷射挡板7均位于上导轨1上（可采用滑块、滑槽的方式，左上喷射挡板13、右上喷射挡板7可沿上导轨1移动），左上喷射挡板13位于右上喷射挡板7的左侧；左下喷射挡板14、右下喷射挡板15均位于下导轨12上（可采用滑块、滑槽的方式，左下喷射挡板14、右下喷射挡板15可沿下导轨12移动），左下喷射挡板14位于右下喷射挡板15的左侧，左下喷射挡板14由连接板与左上喷射挡板13固定连接（如螺栓连接或焊接，也可为一体结构），右下喷射挡板15由连接板与右上喷射挡板7固定连接（如螺栓连接或焊接，也可为一体结构）。
当冷轧机轧制时，PLC会依据轧制带钢的宽度尺寸计算出乳化液边部窜流阻断装置中喷射挡板的移动距离。该装置接受指令后，齿轮电机9（可正反转）通过联轴器8带动丝杆2旋转，从而带动第一螺母3、第二螺母移动（同时向内移动，或同时向外移动），带动右上喷射挡板7与左上喷射挡板13、左下喷射挡板14与右下喷射挡板在上导轨1、下导轨12上移动到指定位置，保证喷射挡板与喷射挡板之间的开口度和来料带钢5宽度一致。确保在带钢宽度以外的区域不喷射乳化液，有效避免了超宽喷射的乳化液向出口侧的窜流问题。

Claims (1)

1. 乳化液边部窜流阻断装置，其特征在于它包括上导轨、丝杆、第一螺母、支撑轴承座、右上喷射挡板、联轴器、齿轮电机、第二螺母、下导轨、左上喷射挡板、左下喷射挡板、右下喷射挡板；丝杆的中部为光杆，丝杆的左部、右部分别设有外螺纹，丝杆左部的外螺纹与丝杆右部的外螺纹的螺纹方向相反；丝杆左部旋有第一螺母，丝杆右部旋有第二螺母，丝杆的中部由轴承与支撑轴承座相连，支撑轴承座固定在上乳化液喷射梁上；齿轮电机固定在上乳化液喷射梁上，齿轮电机的输出轴由联轴器与丝杆右端相连；上导轨、下导轨均沿与轧制方向垂直的方向布置，上导轨固定在上乳化液喷射梁上，下导轨固定在下乳化液喷射梁上；左上喷射挡板的上端与第一螺母固定连接，右上喷射挡板的上端与第二螺母固定连接，左上喷射挡板、右上喷射挡板均位于上导轨上，左上喷射挡板位于右上喷射挡板的左侧；左下喷射挡板、右下喷射挡板均位于下导轨上，左下喷射挡板位于右下喷射挡板的左侧，左下喷射挡板由连接板与左上喷射挡板固定连接，右下喷射挡板由连接板与右上喷射挡板固定连接。
PCT/CN2010/075965 2010-04-27 2010-08-13 乳化液边部窜流阻断装置 WO2011134219A1 (zh)

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CN101837371B (zh) * 2010-04-27 2012-05-02 中冶南方工程技术有限公司 乳化液边部窜流的阻断方法
CN116393508B (zh) * 2023-05-16 2024-01-26 张家港扬子江冷轧板有限公司 一种锡板酸轧机

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