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A control method to solve the steel jamming of the jaws of the coiler

A control method and card technology, applied in the field of steel rolling control, can solve the problems of card steel, the inner ring of the card steel coil, and the clamping jaw, so as to achieve the effect of improving quality and fast rolling rhythm.

Active Publication Date: 2016-03-02
BEIJING SHOUGANG AUTOMATION INFORMATION TECH
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Problems solved by technology

[0007] The object of the present invention is to provide a method for solving the steel clamping phenomenon of the reel with jaws during the unloading process; it is suitable for the unloading automatic control system of the reel with similar jaw structure, and can solve the problem well. The phenomenon of jamming steel in the jaws, and solving the problem of the tower shape of the inner ring of the steel coil caused by the jamming of steel in the jaws

Method used

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  • A control method to solve the steel jamming of the jaws of the coiler
  • A control method to solve the steel jamming of the jaws of the coiler
  • A control method to solve the steel jamming of the jaws of the coiler

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Embodiment Construction

[0024] In the original common control steps, the present invention adds jaw position correction steps 4 such as image 3 . The specific control method is:

[0025] In the process of automatic unloading, after the unloading trolley rises to the position (step 1, step 2) and the diameter of the reel shrinks (step 3), start the control step 4: jaw position correction control such as image 3 , and its control steps are:

[0026] 1. Step 1': The control system reads the number of the code disc of the coiler and converts it into an angle code value M, which is the position angle code value of the jaw, and judges whether the position angle of the jaw is at figure 2 The β region, if the jaw position is not in figure 2 β area, then execute step 5; if the jaw is in figure 2 β area, then perform the following steps.

[0027] 2. Step 2': The reel rotates along the strip coiling direction, when the position of the jaw is not figure 2 When the position of the β region is reached,...

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Abstract

The invention discloses a control method for solving clamping of steel in a jaw of a coiling machine, and belongs to the technical field of steel rolling. A control system is used for solving the steel clamping phenomenon of the coiling machine having the jaw on a winding drum in the automatic uncoiling process. A jaw position correction function is added in a traditional automatic uncoiling control timing procedure, so that the steel clamping phenomenon caused by incomplete retraction of a fan-shaped block due to such factors as gravity is solved when the jaw is positioned at the lower side; and meanwhile, as the position of the jaw is corrected, and the head of the strip steel is pulled out from the position of the jaw before the steel coil is unloaded, the problem of the tower shape of the inner circle of the steel coil is not generated in the uncoiling process. The control method quickens the milling rhythm, and guarantees the product quality.

Description

technical field [0001] The invention belongs to the technical field of steel rolling control, and in particular relates to an automatic coil unloading control system for a four-slant-wedge hydraulic expansion-contraction coiler with jaws. The control system for the phenomenon of steel jamming in the jaws during the automatic coil unloading process. Background technique [0002] In strip production, fast rolling rhythms and tower-free coils play a major role in strip production efficiency and product quality. The automatic coil unloading control of the steel coil is an important part of the strip steel production process. If the coil unloading cannot be carried out smoothly, it will not only affect the rolling rhythm of production, but also may cause the tower shape of the inner ring of the steel coil to affect the product quality. [0003] The reel of the coiler with jaws is a four-slant wedge hydraulic expansion and contraction structure (composed of hydraulic cylinders, m...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B21C47/24
Inventor 李洁赵德文庄严崔凤玲王学文张国强桑霖马千里
Owner BEIJING SHOUGANG AUTOMATION INFORMATION TECH
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