How to install and remove metal sleeve

Abstract

The invention discloses a metal sleeve installation and disassembly method, comprising: a programmable logic controller accepts instructions sent by a host computer, adjusts the position of the loading device, the diameter and angle of the mandrel, and controls the loading device to complete the metal sleeve The loading and unloading process of the cylinder. The method for installing and dismounting the metal sleeve provided by the invention can automatically control the loading and unloading process of the metal sleeve, thereby saving labor costs and improving control accuracy.

Description

technical field [0001] The invention relates to the technical application field of decoiler equipment at the entrance section of a hot-dip galvanizing unit in the cold rolling industry, in particular to a method for installing and disassembling a metal sleeve. Background technique [0002] The production process of cold rolling and hot dip galvanizing usually adopts the continuous production technology of double uncoilers. Generally, uncoilers have the function of uncoiling with various inner diameters, such as 508mm, 610mm and 760mm. Therefore, when the unit produces steel coils with different sizes of inner diameters, it will replace the metal sleeve installed on the rigid fan-shaped reel of the uncoiler. , change the uncoiler to the inner diameter of the desired size. [0003] At present, the loading and unloading method of the metal sleeve is manually confirmed. The operator confirms the working conditions of each loading and unloading step of the loading and unloading ...

AI Technical Summary

Problems solved by technology

[0004] However, due to the frequent changes in the inner diameter of the steel coil produced in actual production, the number of unloading and assembly of the metal sleeve is more

In the process of replacing the metal sleeve every time, after each movement of the metal sleeve, the relative position between it and the uncoiler needs to be manually confirmed by the operator. During the entire replacement process, at least 2 operators must manually confirm the work, not only the operation The labor intensity of personnel is relatively high, and there are still potential safety hazards for operators

In addition, before the metal sleeve is installed on the mandrel of the uncoiler, the traditional method is to detect the rotation angle of the mandrel by using two sensors (ie, proximity switches), and control the deceleration and deceleration of the mandrel respectively through the two sensors. Stop, the control precision of this method is low, it cannot be positioned accurately to meet the production requirements, and the stability is poor

[0005] Moreover, at present, there is no positioning control technology between most of the metal sleeve and the uncoiler, which causes the unit to slip easily when the unit speeds up, causing the unit to stop, which affects the capacity of the unit to a certain extent

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