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Detection system for high-speed wire rod steel heaping and judgment method

A detection system and high-speed wire rod technology, which is applied in the field of stacking steel detection system in rolling high-speed wire rod workshop, can solve the problems of delay in judgment, difficult processing, and very large production impact, so as to achieve the effect of accurate judgment and reduction of fault processing time.

Active Publication Date: 2016-10-26
JIANGSU YONGGANG GROUP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In the process of rolling, due to various reasons, there will often be piles of steel, which are usually piled up inside the looper. If the fault cannot be found in time, there will be more accumulation in the looper, resulting in a backlog of rolled pieces, which needs to be dealt with. It is very difficult, sometimes it takes nearly 1 hour, and it has a great impact on production. Fishing lines are usually installed in the rolling mills of the pre-finishing and finishing mills. The fault alarm mode is triggered, and the upstream accident shears perform the breaking operation, but at this time the looper is full, so the judgment of the fishing line is often delayed, resulting in prolonged fault processing time

Method used

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  • Detection system for high-speed wire rod steel heaping and judgment method
  • Detection system for high-speed wire rod steel heaping and judgment method

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Embodiment 1

[0022] Embodiment 1: as figure 1 As shown, a detection system for stacking high-speed wire rod steel, the detection system is installed on the rolling production line of the steel rolling high-speed wire rod workshop, and the described rolling production line is divided into heating furnace area, rough rolling Mills, intermediate rolling mills, pre-finishing mills, finishing mills, reducing and sizing mills, laying heads, loose coil conveyors, coil collection stations, PF lines, weighing and unloading coils.

[0023] The detection system includes a PLC control system, a detection looper, a looper detector and an accident shear, the described looper detector is installed on the detection looper, and the described detection looper is respectively installed at the pre-roller of the rolling production line. On the finishing rolling group and the finishing rolling group, the loop detector and the accident shear are all connected to the PLC control system through lines. The number ...

Embodiment 2

[0024] Embodiment 2: as figure 1 As shown, the PLC control system of the present invention is AC800PECPLC system. The scan period of the AC800PECPLC system of the present invention is 1 ms.

Embodiment 3

[0025] Embodiment 3: as figure 1 and 2 As shown, the judgment method of the detection system of a kind of high-speed wire stack steel provided by the present invention, described judgment method comprises the following operation steps:

[0026] 1) On the PLC control system, set the limited starting quantity of the detection looper.

[0027] 2) During the working process of the system, the looper detector starts to work, check the working status of the detection looper, if the detection looper is not working normally, repeat the inspection work.

[0028] 3) After the looper detector finds that the detection looper is working normally, after a delay of 5s, it monitors the detection looper, and detects the amount of the looper every second, and 5s is a cycle; During the monitoring operation, the looper detector judges the lifting amount of the looper through the working height of the looper.

[0029] 4) When the PLC controller finds that the amount of loose sets detected excee...

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Abstract

The invention discloses a detection system for high-speed wire rod steel heaping and a judgment method of the detection system. The detection system comprises a PLC control system, detection loops, loop detectors and accident shears. The loop detectors are mounted on the detection loops. The detection loops are correspondingly mounted on a pre-finishing mill group and a finishing mill group of a rolling production line. The loop detectors and the accident shears are connected to the PLC control system through circuits. The detection system for high-speed wire rod steel heaping and the judgment method mainly aim at the steel heaping failure of a segment from a pre-finishing mill to a finishing mill in the large-scale steel rolling process; and in the type of steel heaping failure, the finishing line failure cannot be judged in time, excessive steel heaping is caused, so that whether steel heaping happens or not is judged by detecting the loop quantity between the pre-finishing mill and the finishing mill, accordingly the judgment can be made in advance, the judgment is precise, and the failure treatment time is shortened.

Description

technical field [0001] The invention relates to the technical field of production of steel rolling high-speed wire rod workshops, in particular to a stacked steel detection system and judging method applied to steel rolling high-speed wire rod workshops. Background technique [0002] The main rolling processes of ordinary high-speed wire rod workshops are: rough rolling, intermediate rolling, pre-finishing, finishing area, pinch rolls, and laying machine. There are three to four loopers in the area. The looper is to lift or push the rolling piece to the side during the rolling process, so that there is an arc during the movement of the rolling piece to reduce the tension between the rolling mills. When the looper is set , a looper height will be set on the rolling main screen, that is, the height of the rolled piece, and its height will be detected by a looper scanner. When it is higher than the set height, it means that there is a pile of steel between adjacent rolling mill...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B21B38/00B21B41/00B21B28/00
CPCB21B28/00B21B38/00B21B41/00
Inventor 陈宇冯秀海陈东
Owner JIANGSU YONGGANG GROUP CO LTD
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