JP3265055B2 - Side guide control method - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a winding apparatus having a plurality of winding devices arranged in a plurality of stages, and more particularly to a method for controlling a side guide when guiding a material to be rolled to a subsequent winding machine. Things.

[0002]

2. Description of the Related Art Conventional winding equipment is disclosed in, for example,
As disclosed in Japanese Unexamined Patent Publication (Kokai) No. 317614, a first side guide is provided downstream of the finishing mill to guide the material to be fed while regulating its width direction. A first pinch roll is provided on the exit side of the guide, and a first down coiler is provided downstream of the line of the first pinch roll, and the first pinch roll and the first down coiler constitute a first winding machine.

Further, in order to be able to continuously take up the material to be rolled, a second side guide, a second pinch roll, and a second down coiler are provided downstream of the first pinch roll. One or more sets of two winding devices are provided, and a leading end detection sensor for detecting the start of winding is provided downstream of each pinch roll to constitute the winding device.

The first side guide usually comprises a parallel guide and a bell mouth guide which is rotatably connected to an upstream end thereof and which opens in a C shape toward the upstream.
The parallel guide can be symmetrically moved toward and away from the pass line by a driving device including an electric motor, a screw shaft, and the like, and can be advanced and retracted in the width direction of the material to be rolled by a short stroke cylinder.

Further, since the second side guide is close to the winder on the upstream side, the second side guide does not include a bell mouth guide, except that a tapered surface is formed at an introduction portion of the parallel guide. , The same configuration and drive mechanism as the first side guide. If the opening of the parallel guide is set in a parallel state at substantially the same interval as the plate width of the material to be rolled before the leading end of the material to be rolled is pinched by the pinch roll, the material to be rolled collides with the side guide. Or, since there is a risk of passing contact error due to strong contact and its resistance, generally, in advance, the parallel guides are kept in a standby state in a parallel state by a driving device at an interval wider than the plate width of the material to be rolled, When it is detected that the leading end of the conveyed material has passed through the first side guide and the leading end of the material to be rolled has been bitten by the pinch roll, the short stroke cylinders are simultaneously extended. The parallel guides of the first side guides are closed at substantially the same interval as the plate width of the material to be rolled at the predetermined opening degree and in a parallel state. As a result, the material to be rolled is wound around the first down coiler so as to guide the subsequent portion of the material to be rolled.

At this time, the bell mouth guide smoothly guides the material to be rolled, which enters between the parallel guides to the first side guide, within the standby width of the parallel guides. Also,
When the rolled material is wound around the second down coiler, the first side guide is left open, and the same control as above is performed on the rolled material passing between the first side guides. This is performed for the opening control of the side guide, and the material to be rolled is wound around the second down coiler via the second pinch roll.

As described above, the material to be rolled is alternately wound around the first down coiler and the second down coiler.
However, in the control method of the side guide in the general winding equipment as described above, since the rolled material is bitten by the pinch roll, the side guide is closed in parallel to a predetermined set opening degree to guide the rolled material. Even if the position of the material to be rolled into the pinch roll is shifted from the pass line in the sheet width direction due to meandering or the like, the position of the material to be rolled that has been tensioned by the pinch roll cannot be quickly adjusted, and the winding is performed. The center of the coil of the rolled material thus obtained is telescope-wound.

To cope with this, Japanese Patent Laid-Open Publication No. Hei.
In the invention described in Japanese Patent No. 14, in order to quickly and accurately position the material to be rolled, the side guide is made to stand by in a bell mouth shape, and after the leading end of the material to be rolled passes between the guides, the guide is moved. A closing operation is performed toward a parallel state having an interval substantially larger than the sheet width, or a vibration is caused to move to reduce friction with a material to be rolled.

[0009]

However, in the conventional configuration as described above, since the position detector is disposed in the side guide exit side, the operation timing of the side guide by the short stroke cylinder is not clear. At the same time, since the displacement of the material to be rolled in the width direction is not detected, an accurate opening cannot be set.

Further, the invention described in Japanese Patent Application Laid-Open No. 1-317614 has a problem that the cost is increased due to the remodeling of the existing equipment. The present invention has been made in view of the above-described problems, and has as its object to quickly and accurately position a material to be rolled using existing equipment as it is.

[0011]

In order to achieve the above object, a method of controlling a side guide according to the present invention comprises a first side guide and a first winder on the most upstream side having a bell mouth portion and a parallel portion. A first-stage winding device, and a second-stage winding device and a second-stage winding device that is installed subsequent to the winding device and includes a set of a parallel second side guide and a second winding device. In the winding equipment provided with, in the control method of the side guide when guiding the material to be rolled to the predetermined second winding device, a camber meter is installed on the entrance side of the first side guide, Based on the information on the passage time and the position in the width direction of the target rolled material measured by the camber meter on the entrance side, the center between the second side guides is set to the width of the target rolled material.
The first side guide and the second winding which are offset to the center in the direction and closed to a set opening substantially wider than a predetermined set opening until the start of winding of the material to be rolled by the target second winding device. Guiding the material to be rolled by the second side guide of the take-up device, and closing the second side guide to a predetermined set opening degree and opening the guide by the first side guide at the time when the winding of the material to be rolled is started. It is characterized by.

[0012]

The camber meter installed on the entry side of the side guide measures the amount of bending and the eccentricity in the sheet width direction of the material to be rolled, and adjusts the distance between the material to be rolled and the side guide to a predetermined distance. Thus, the set opening of the left and right side guides can be reset to an optimum value.

At this time, the time when the leading end of the material to be rolled is detected by the camber meter, that is, the passing time is regarded as the start of tracking, so that the time of entry of the material to be rolled into each side guide can be predicted. It is also possible to clarify the operation timing. Further, when the rolled material is wound on the second winding device, the first side guide is used together with the second side guide even before the rolled material is started to be wound, such as being pinched by a pinch roll. By providing the second side guide with a bell mouth guide or making the second side guide in a bell mouth shape and controlling the side guide, the material to be rolled is guided and guided by the second side guide. The positioning of the rolled material is performed quickly and accurately.

At this time, based on the information from the camber meter, the opening is set to be substantially wider than the final set opening that has been reset, and the guide is guided. The material to be rolled is placed in the second position without generating a predetermined resistance or more between the side guide and the material to be rolled.
It can be guided to the winding machine. If the material to be rolled is wound into the pinch roll of the winding machine and the winding is started, a predetermined tension is applied to the material to be rolled, and even if the second side guide is closed to a predetermined set opening, there is no problem. Therefore, the second side guide is closed to the predetermined set opening degree as in the related art.
At the same time, the guidance by the first side guide is unnecessary, so the guidance by the first side guide is released.

[0015]

An embodiment of the present invention will be described with reference to the drawings.
First, the structure will be described. As shown in FIGS. 1 and 2, a first side guide 2 is provided downstream of the finishing mill to guide the material 1 to be rolled by regulating its width direction. A first winding machine 3 is installed on the exit side of the guide 2 to constitute a first-stage winding device. The first winding machine 3
Has a first pinch roll 3b installed on the exit side of the first side guide 2, and a first down coiler 3a installed downstream of the line of the first pinch roll 3b.

A second-stage winding device is provided after the first-stage winding device. That is, a second side guide 4 is provided on the downstream side of the first pinch roll 3b, and a second pinch roll 5b is disposed on the exit side of the second side guide 4, and the second pinch roll 5b
A second down coiler 5a is provided downstream of the line
A second winding device is configured, and a second winding machine 5 is configured by the second pinch roll 5b and the second down coiler 5a.

The first side guide 2 is usually composed of a parallel guide 2a and a bell mouth guide 2b which is rotatably connected to the upstream end thereof and is opened in a U-shape toward the upstream. The guide 2a is set to an opening degree up to a standby position by a driving means (not shown) including a motor, a speed reducer, a screw shaft, and the like, and can be opened and closed in multiple stages by a hydraulic cylinder 6 to a predetermined opening degree.

Each of the hydraulic cylinders 6 is provided with a position detector 7, which can detect the stroke position of each cylinder rod, that is, the opening of the parallel guide 2a. Can be supplied to the controller 10. Each hydraulic cylinder 6
Can be driven to any position in multiple stages by hydraulic pressure supplied via the servo valve 8.

A camber meter 9 is provided on the entrance side (and the exit side) of the first side guide 2, and the camber meter 9 passes the leading end of the material 1 to be rolled and passes through the camber meter 9. A camber or the like generated in the material to be rolled 1 is detected, and a signal corresponding thereto is sent to the controller 10.
And the controller 10 supplies a control signal based on the signal to the servo valve 8 of each hydraulic cylinder 6.

Further, since the second side guide 4 is close to the winder on the upstream side, a tapered surface is formed at the introduction portion of the parallel guide instead of having the bell mouth guide, and the other is the first side guide. A control mechanism having the same configuration as that of the side guide 2 is provided. The control of the side guide at the time of winding the rolled material 1 in the winding facility having the side guide having the above configuration will be described.

The case where the material to be rolled 1 is wound around the first down coiler 3a of the first stage will be described. The material to be rolled 1 is sent from a rolling mill (not shown) to the first side guide 2 via a roller table. When the material to be rolled 1 passes below the camber meter 9, the amount of bending is measured, and a signal corresponding thereto is supplied to the controller 10.

Based on the above signals, the controller 10
From the speed of the material 1 to be rolled and the camber meter 9 on the entry side, the first
From the distance to the side guide 2 entry side and the like, the time when the material to be rolled 1 enters the first side guide 2 and the time when the material to be rolled 1 is bitten by the pinch rolls 3b, 5b are calculated. When the leading end of the material to be rolled 1 enters the first side guide 2, each hydraulic cylinder 6 of the first side guide 2 has a standby state interval W + 2α (where W is the sheet width of the material 1 to be rolled,
α is a gap between the side guide and one side of the material 1 to be rolled. Usually, the gap α is set to 50 to 150 mm.
A short stroke signal of a stage is issued, and the interval is narrowed to W + 2β. The interval β is set based on a signal from the camber meter 9 so as not to sandwich the material 1 to be rolled.

Further, when the material to be rolled 1 is fed and bitten by the first pinch roll 3b, or when it is bitten by the first pinch roll 3b, the controller 10 sends the first stage short stroke to each hydraulic cylinder 6 of the first side guide 2. The signal of the short stroke of the second stage (final stage) is output from the interval W + 2β, and the interval is narrowed to W + 2γ which is the interval between the side guides in the normal operation state. The gap on one side with 1 is set to 0 to 10 mm.

2 for adjusting the distance between the side guides 2
The step short stroke is to guide the material to be rolled 1 to a predetermined position while applying the material to the material to be rolled 1 while smoothly changing the interval between the first stage and the first and second stages from the standby state. It is preferable to change the interval in a short time. As described above, since the side guide interval adjustment is performed separately from the standby state to the first stage and the two stages of the short stroke from the first stage to the second stage, the workpiece 1 is transferred to the pinch roll 3b. The rolled material 1 can be guided to a predetermined position while smoothly passing the rolled material 1 through the side guides 2 even before being bitten, that is, before the winding is started.
It is possible to reduce the occurrence of a telescope when winding up to a.

At the time of the above control, the opening degree previously set in accordance with the material width is reset according to the position in the width direction of the material 1 to be rolled detected by the camber meter 9 and the side guide 2 is set. The center is offset to the actual widthwise center of the material 1 to be conveyed. When winding the rolled material 1 around the second winding machine, the amount of bending is measured when the rolled material 1 passes below the camber meter 9, and a signal corresponding thereto is supplied to the controller 10. Is done.

Based on the above signals, the controller 10
From the speed of the material 1 to be rolled and the camber meter 9 on the entry side, the second
Due to the distance between the entry side of the side guide 4 and the first side guide 2, etc., when the material 1 to be rolled enters the second side guide 4 and the first side guide 2 and the material 1
The time of biting by b is calculated. When the leading end of the material to be rolled 1 enters the second side guide 4, each hydraulic cylinder 6 of the second side guide 4 has a standby space W +
A first-stage short stroke signal is output from 2α (where W is the sheet width of the material 1 to be rolled, α is a gap between the side guide and one side of the material 1 to be rolled), and the interval is reduced to W + 2β. To The interval β is set based on a signal from the camber meter 9 so as not to sandwich the material 1 to be rolled.

Simultaneously with the above control, a first-stage short stroke signal is output to each hydraulic cylinder 6 of the first side guide 2 from the standby state interval W + 2α, and the interval is reduced to W + 2β. As a result, the rolled material 1 is guided by the two side guides 2 and 4 in which the closing operation with the opening degree that does not reach the stop is performed.

Further, when the material 1 to be rolled is fed and bitten or bitted by the second pinch roll 5b, that is, at the start of winding, the controller 10 sends a signal to each of the hydraulic cylinders 6 of the second side guide 4. A signal of the short stroke of the second stage (final stage) is output from the interval W + 2β of the short stroke of the first stage, and the interval is narrowed to W + 2γ which is the interval of the side guide in the normal operation state. The gap on one side between the side guide and the material 1 to be rolled is set to 0 to 10 mm.

At the same time, the first side guide 2 is returned to the original set position and opened. Side guides 2 and 4 above
The two-step short stroke for adjusting the distance between the first step and the first step from the standby state and the distance between the first step and the second step are smoothly changed between the first step and the second step. The rolled material 1 is preferably guided, and the interval may be changed in a short time.

As described above, the interval between the side guides 2 and 4 is adjusted in two stages of the short stroke from the standby state to the first stage and from the first stage to the second stage. The rolled material 1 can be guided to a predetermined position while smoothly passing the rolled material 1 through the side guide 4 even while the rolled material 1 is bitten by the pinch roll 5b. Telescope generation can be reduced.

Further, even if a tapered guide such as a bell mouth is not provided on the second side guide 4, the first-stage interval is set according to one bend of the material to be rolled, and the first side guide 2 is also guided. By doing so, the material 1 to be rolled does not strike the introduction portion of the second side guide 4. At the time of the above control, the opening degree previously set in accordance with the material width is reset by the position in the width direction of the material 1 to be rolled detected by the camber meter 9, and the center between the side guides 4 is set. May be offset to the actual center in the width direction of the material 1 to be rolled.

Further, a position detector 12 may be set between the second side guides 4 in order to detect the arrival of the material 1 to be rolled on the second side guides 4. Further, in the above-described embodiment, the first side guide 1 and the second side guide 4 are simultaneously closed at a predetermined opening when the rolled material 1 is wound around the second winding machine 5. The control may be performed such that the first side guide 1 and the second side guide 4 are closed in order in synchronization with the intrusion of the material 1 to be rolled.

The supply pressure to each of the hydraulic cylinders 6 is changed according to conditions such as the thickness, strength and width of the material.
Prevents the occurrence of quality defects due to plastic deformation of material edges.

[0034]

As described above, according to the side guide control method of the present invention, even when the material to be rolled is guided to the second and subsequent winding machines using the existing equipment as it is, There is an effect that the material to be rolled does not hit the side guide and the material to be rolled can be quickly and accurately positioned before the material to be rolled is bitten by the pinch roll.

[Brief description of the drawings]

FIG. 1 is a plan view showing a configuration of a side guide and a winder according to the present invention.

FIG. 2 is a side view showing a configuration of a side guide and a winder according to the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Rolled material 2 1st side guide 3 1st winding machine 3a 1st down coiler 3b 1st pinch roll 4 2nd side guide 5 2nd winding machine 5a 2nd down coiler 5b 2nd pinch roll 6 Hydraulic cylinder 9 Camber meter 10 Controller

──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A-1-317614 (JP, A) JP-A-63-40615 (JP, A) JP-A-4-55017 (JP, A) (58) Field (Int.Cl. ⁷ , DB name) B21B 39/14 B21C 47/02 B21C 47/34

Claims (1)

(57) [Claims] A first stage winding device comprising a first side guide and a first winding machine on the most upstream side having a bell mouth portion and a parallel portion, and a first stage winding device installed following the winding device. And a second and subsequent winding device comprising a set of a parallel second side guide and a second winding device, wherein the rolled material is provided in the predetermined second winding device. In the method of controlling the side guide when guiding to the first side guide, a camber meter is installed on the entrance side of the first side guide, and the passage of the material to be rolled measured by the camber meter on the entrance side is performed.
Based on the time and width information, the second side guide
Offset the center of the rolled material to the center in the width direction of the material to be rolled.
In addition, until the start of winding of the material to be rolled by the target second winding device, the first side guide and the second side winding device that are closed to the set opening substantially wider than the predetermined set opening. The rolled material is guided by the two side guides, and when the rolling of the rolled material is started, the second side guide is closed to a predetermined opening and the guide by the first side guide is opened. How to control the side guide.