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Automatic backing-up method of cold-rolled sheet material

An automatic, plate-based technology, applied in the direction of metal rolling, metal rolling, rolling mill control devices, etc., can solve problems such as recovery troubles, equipment alarms or failures, and complicated operating procedures, so as to eliminate acid spots and corrosion, and improve plate yield rate effect

Active Publication Date: 2018-04-20
SHOUGANG JINGTANG IRON & STEEL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The invention provides an automatic reversing method for cold-rolled plates, which is used to solve the complex and time-consuming and labor-intensive reversing operation process of cold-rolled plates in the prior art, and also cause alarms or failures of the equipment due to insufficient coordination of manual operations, and recover More troublesome technical problems, to eliminate acid spots and rust on the surface of the plate, improve the yield of the plate, save time and effort, high efficiency, stability, safety and quick technical effect

Method used

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  • Automatic backing-up method of cold-rolled sheet material
  • Automatic backing-up method of cold-rolled sheet material

Examples

Experimental program
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Embodiment 1

[0024] figure 1 It is a schematic flowchart of an automatic reversing method for cold-rolled plates in an embodiment of the present invention. Such as figure 1 As shown, the method includes:

[0025] Step 110: Obtain a first instruction, where the first instruction is used to instruct automatic reverse.

[0026] Specifically, the first instruction refers to the program of starting to execute the command in order to complete the automatic reversing function, that is to say, when the plate needs to eliminate acid spots and rust in the pickling stage, first, the human-machine interface HMI (Human machineinterface) and click the automatic reverse button, at this point, the program can obtain the first instruction and turn on the automatic reverse function.

[0027] Step 120: Close the inlet and outlet of the pickling tank according to the first instruction.

[0028] Specifically, after the program obtains the first instruction, that is, after starting to execute the automatic ...

Embodiment 2

[0046] The automatic reversing method of a kind of cold-rolled plate of the present invention is described in detail below, please refer to figure 2 ,details as follows:

[0047] In order to describe the embodiments of the present invention more clearly, the technical terms involved in this application are explained below:

[0048] 1. μΣNETWORK-100: a communication network with a communication speed of 100Mbps, which realizes high-speed data communication, ensures network load stability, self-diagnosis function, etc., and realizes a highly reliable network. The communication medium is optical cable or double ring network .

[0049] 2. TCP / IP protocol: short for Transmission Control Protocol / Internet Protocol, that is, Transmission Control Protocol / Internet Internet Protocol, also known as network communication protocol, which is the most basic protocol of the Internet and the foundation of the Internet. The protocol and transport layer consist of the TCP protocol. TCP / IP d...

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Abstract

The invention discloses an automatic backing-up method of cold-rolled sheet material, and relates to the technical field of steel rolling. The method comprises the steps that a first instruction is obtained and is used for instructing automatic backing-up; an outlet and an inlet of an acid washing tank are closed according to the first instruction; a wringing roller of a rinsing tank is closed according to the first instruction; an uncoiling centering system is switched to an intermediate mode according to the first instruction; and an air purging valve located at a withdrawing and straightening machine is opened according to the first instruction; a second instruction for automatic backing-up is performed, wherein according to the second instruction, automatic backing-up is carried out ata first speed for a first predetermined distance; a third instruction for lathe stopping is performed, wherein according to the third instruction, a lathe is stopped for a first time; and a fourth instruction for automatic advancing is performed, wherein according to the fourth instruction, automatic advancing is carried out at a second speed for a second predetermined distance. By means of the automatic backing-up method of the cold-rolled sheet material, the problems that in the prior art, backing-up is complex, equipment is complicated to restore when generating an alarm or breaking down are solved, so that the technical effects of eliminating acid spots and rust on the surface of the sheet material, improving the yield, saving time and labor, and being safe and rapid are achieved.

Description

technical field [0001] The invention relates to the technical field of steel rolling, in particular to an automatic reversing method for cold-rolled plates. Background technique [0002] In the field of steel rolling technology, with the continuous improvement of acid rolling output and energy saving and consumption reduction requirements, the requirements for yield indicators are also getting higher and higher. However, acid spots and corrosion will appear on the steel strip in the pickling and rinsing sections after maintenance or long-term shutdown. Therefore, after starting the machine, the trimming and shearing operator will mark the defects on the strip steel, and the defective strip steel will pass through the rolling mill at a slow speed. Become a waste roll, thus causing a lot of waste and such waste is inevitable. In the prior art, after the pickling section is parked for a long time or before starting after maintenance, the operator will track on the spot and man...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B21B15/00B21B37/00B21B45/02C23G3/00
CPCB21B15/00B21B37/00B21B45/0269C23G3/00
Inventor 张建成刘学良闻杨于超超于旭沈福磊高峰孙建爽
Owner SHOUGANG JINGTANG IRON & STEEL CO LTD
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