JPH0454504U

JPH0454504U -

Info

Publication number: JPH0454504U
Application number: JP9632190U
Authority: JP
Priority date: 1990-09-13
Filing date: 1990-09-13
Publication date: 1992-05-11

Description

[Brief explanation of the drawing]

第１図はこの考案の一実施例による自動減速制
御装置を示す構成図、第２図は従来の自動減速制
御装置を示す構成図である。１４はコイルの板厚量を設定する板厚設定器、
１５は巻戻機２の一定コイル径を検出する光電ス
イツチ（コイル径検出器）である。なお、図中、
同一符号は同一、または相当部分を示す。 FIG. 1 is a block diagram showing an automatic deceleration control device according to an embodiment of this invention, and FIG. 2 is a block diagram showing a conventional automatic deceleration control device. 14 is a plate thickness setting device for setting the plate thickness of the coil;
15 is a photoelectric switch (coil diameter detector) for detecting a constant coil diameter of the rewinding machine 2; In addition, in the figure,
The same reference numerals indicate the same or equivalent parts.

Claims

[Scope of utility model registration request]

a rotation detection counter that inputs an output signal from a transmitter attached to the unwinding machine and counts the number of rotations of the unwinding machine, and inputs an output signal from the transmitter attached to the rolling mill; a speed measuring device that measures the speed of the rolling mill; a coil diameter detector that detects the constant coil diameter when the coil wound on the unwinding machine decreases and reaches a constant coil diameter; Input the plate thickness setter that sets the thickness of the coil rolled by the rolling machine, the constant coil diameter of the unwinding machine detected by the coil diameter detector, and the plate thickness set with the plate thickness setter. a remaining coil turns calculator for calculating the number of remaining coil turns when the coil diameter of the unwinding machine reaches a certain coil diameter, and the speed of the rolling mill measured by the speed measuring device and the plate thickness setting. There is a coil turns calculator at the start of deceleration that calculates the number of coil turns at the start of deceleration by inputting the plate thickness set in the device, and a remaining coil when a certain coil diameter is reached, which is calculated using the remaining coil turns calculator above. a countdown device that calculates the current remaining coil turns by inputting the number of turns and using the remaining coil turns as a reference, and counting down the remaining coil turns each time the rotation count counted by the rotation detection counter is input; Input and compare the number of coil turns at the start of subtraction calculated by the coil turns calculator at the start of deceleration and the current remaining number of coil turns calculated by the countdown device, and when they are equal, output a deceleration command to the rolling mill. Automatic deceleration control device equipped with a comparator.