JPH06102215B2 - Metal band winding device with belt wrapper - Google Patents

Description

Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a metal band winding device with a belt wrapper for winding a metal strip such as a cold-rolled steel plate without causing a problem.

[Conventional technology]

Conventionally, various types of metal strip winding devices with a belt wrapper attached to a winding device for metal strips have been used, but if the types are roughly classified, they can be roughly classified into the following three types. it can.

First, FIG. 4 is a block diagram showing a first example of a conventional winding device, in which 1 is a tension reel, 2 is a belt wrapper,
3 and 4 are upper thread guides for guiding the tip of the strip 12 between the tension reel 1 and the belt wrapper 13,
14a is a holding carriage for holding the belt wrapper 2, 14b is a wheel of the carriage, 14c is a rail for the carriage, 14d is a hydraulic cylinder for moving the carriage, 15a is an upper holding arm, 15b is an arm rotating shaft, Reference numeral 15c is the arm rotating hydraulic cylinder, 16a is the lower holding arm, 16b is the arm rotating shaft, and 16c is the arm rotating hydraulic cylinder.

When the strip 12 is started to be wound on the tension reel 1 in the winding device having the above configuration, as shown in FIG.
The holding carriage 14a is placed at the forward end so as to surround most of the circumference of the upper holding arm 15a and the lower holding arm 16b, and the cylinder rods of the respective rotating cylinders 15c and 16c are extended so as to extend the respective rotations. It is rotated about the moving shafts 15b and 16b. As a result of this rotation, the upper threading guide 15 and the lower threading arm 16b fixed to the upper hugging arm 15a and the lower hugging arm 16b approach each other and the belt 13 approaches the tension reel 1.
The tip of the strip 12 is guided between the tension reel 1 and the belt wrapper 2 and wound up on the tension reel 1. Then, when the strip 12 is wound around the tension reel 1 only a few times, the cylinder rods of the cylinders 15c and 16c are contracted so that the upper and lower holding arms 15a and 16c.
After rotating the a in a direction away from the tension reel 1 and opening the belt wrapper 2 so that the belt 13 does not contact the strip coil wound around the tension reel 1, the holding carriage 14a is moved to the carriage moving cylinder 14d. By retracting the cylinder rod of (1), the cylinder rod is retracted to the retracted end, and the subsequent winding of the strip 12 and the discharge of the wound coil are smoothly performed.

Next, a second conventional example is shown in FIG. In the figure, 1 is a tension reel, 2 is a belt wrapper, and 3 is a strip.
An upper threading plate guide for guiding 12 between the tension reel 1 and the belt 13, 5 is a tip guide for properly winding the strip 12 around the tension reel 1, and 6
Is a tip guide attachment / detachment cylinder for rotating the tip guide 5 to adjust the interval between the tension reel 1 and the strip 12 wound around the tension reel 1, 17a is a tip holding arm, 17b
Is the arm rotation shaft, 17c is the arm rotation cylinder, and 18a.
Is an intermediate holding arm, 18b is the arm rotating shaft, 18c is the arm rotating cylinder, 19a is the main arm, 19b is the main arm rotating shaft, and 19c is the main arm rotating cylinder piston.

When the strip 12 is started to be wound on the tension reel 1 by this winding device, the holding arms 17a, 18b, 19a are positioned so that the belt 13 holds most of the periphery of the tension reel 1 as shown in the drawing. The winding is started by inserting the strip 12 between the upper threading plate guide 3 and the belt 13. At this time, the gap is adjusted in advance so that the tip guide 5 and the outer periphery of the tension reel 1 are kept at a predetermined distance so that the winding can be performed normally. When the strip 12 is wound around the tension reel 1 by several turns, the holding arms 17a, 18a, 19a are actuated by the turning cylinders 17c, 18c, 19c to turn the turning shafts 17b, 18b. , 19b are rotated as fulcrums to open the belt wrapper 2, and the tension reel 1 is operated so that the belt 13 and the arms 17a, 18a, 19a are separated from each other so that the subsequent steps can be performed smoothly.

Next, FIG. 6 shows a third conventional example. In the figure, 1 is a tension reel, 2 is a belt wrapper, 5 is a tip guide, 10 is a coil inner diameter switching cylinder, and 8 is a tip guide 5.
The gap adjusting device 9 comprises a screw rod 8a for adjusting the gap between the tension reel 1 and a gear 8b meshing with the screw rod 8a, and 9 is a handle for adjusting the gap of the tip guide for moving the gap adjusting device 8.

Further, 17a is a tip arm, 17b is a rotating shaft of the arm, 17c is a cylinder for rotating the arm, 20a is a main support mechanism of the belt wrapper 2, and 20b is a cylinder for raising and lowering the mechanism.

When the strip 12 is wound on the tension reel 1 with the above device, the main support mechanism 20a is raised and the tip holding arm 17a is positioned so that the belt 13 surrounds the tension reel 1 and the tension reel 1 The coil inner diameter switching cylinder 10 is operated according to the diameter to roughly adjust the gap between the tip guide 5 and the tension reel 1. Fine adjustment of this gap is done by the tip arm 17
The base 7 of the rotation cylinder 17c of a is moved up and down finely by the gap manual fine adjustment device composed of 8a, 8b and 9 described above. After that, the strip 12 is inserted between the belt 3 and the tension reel 1, and while being guided by the tip guide 5, the strip 12 is wound around the tension reel 1 several times.
After that, the tip holding arm rotating cylinder 17c is operated to separate the tip holding arm 17a and the belt 13 from the tension reel 1, and the main support mechanism 20a is lowered by the lifting cylinder 20b to perform subsequent winding or winding. The belt wrapper 2 is kept away from the tension reel 1 so as not to hinder the discharge of the wound coil from the tension reel 1.

[Problems to be Solved by the Invention]

However, the above-mentioned first, second, and third conventional examples have the following drawbacks.

That is, in the first conventional example, since the tip guide is not provided, when the strip is wound around the reel, the strip tip 12a hits the strip 12 as shown in FIG. 4 (b), The tip 12a as shown in FIG.
There are many winding mistakes such as bending into a buckled state. Therefore, there is much downtime for correcting this, and the yield is reduced.

Next, in the second conventional example (FIG. 5), the tip guide 5
Although equipped, this structure keeps the same gap once adjusted. For this reason,
When there is a change in the inner diameter setting of the coil wound on the tension reel 1 (usually 16 inches to 20 inches to 24 inches), the gap cannot be easily adjusted and an appropriate gap cannot be obtained. Therefore, it is a major factor that causes winding failure and rolling of the winding coil. Therefore, it also causes downtime and a decrease in yield. Also, if the gap is set too small, there is a problem that the back surface of the tip guide comes into contact with the strip and scratches often occur.

Next, in the third conventional example (FIG. 6), (1) In order to perform fine adjustment of the tip guide 5 by rotation of the manual handle 9 on the machine side, in each case, there is an entry gap in the line. Measurements have to be made, which poses a safety concern. Furthermore, adjustment is required each time the inner diameter is switched (16 inches 1.5 inches 20 inches), and downtime occurs. (2) When winding a strip with oil, the winding is bad. Therefore, the belt wrapper may be wound for a long time, and the gap surface of the tip guide may come into contact with the strip to cause scratches or scratches on the strip. (3) In a line for continuously processing oil-coated coils of products, it is necessary to periodically send the manufacturing process to a post-process for checking for scratches, which is problematic in terms of yield and production efficiency. .

The present invention has been made in view of the various problems in the conventional example as described above, and the above-mentioned problems are solved by providing the tip guide with a self-position detecting function and providing a position control device for the guide. The purpose is to resolve.

[Means for Solving the Problems]

This invention relates to a position detecting means for a tip guide of a belt wrapper, a diameter detecting means for a metal band winding shaft or a metal band coil,
A metal band winding device with a belt wrapper, comprising: a control device for controlling the position of the tip guide based on the detection values of the both detection means.

It is preferable that the diameter detecting means is composed of a means for calculating a diameter based on the outer diameter of the metal band winding shaft, the plate thickness of the metal band, and the rotation speed of the winding shaft.

[Action]

According to the present invention, the position detecting means detects the position of the front end guide of the belt wrapper, and the detecting means detects the diameter of the metal band winding shaft or the metal band coil. Since the position of the tip guide is controlled by the control device, the gap between the tip guide and the winding shaft or the outer circumference of the metal strip coil (at the start of winding the metal strip and during the winding of the coil due to the winding) ( Keep the gap) optimal.

For diameter detection, the outer diameter of the metal band winding shaft, the plate thickness of the metal band,
By calculating from the number of rotations of the winding shaft, the actual diameter at each detection can be detected.

〔Example〕

Hereinafter, the present invention will be described with reference to the drawings. 1 to 3 are views for explaining an embodiment according to the present invention. The parts having the same functions as those of the conventional example are designated by the same reference numerals, and the duplicate description will be omitted.

FIG. 1 (a) is a schematic side view of the strip (metal strip) winding device with a belt wrapper according to the present invention mainly focusing on the belt wrapper part, and FIG. 1 (b) is a control for controlling the operation of this device. It is a block diagram of a mechanism.

In FIG. 1 (a), the tip guide 5 is a hydraulic cylinder 11
Is mounted on the hydraulic cylinder 11 and the inner diameter switching cylinder 10 of the winding shaft 1 so as to swing through the shaft 17d of the belt wrapper 2 which moves. Position detecting means 35 (see FIG. 1B) for detecting the self-position P is provided. As an example of the position detecting means 35, a straw sensor of the hydraulic cylinder 11 can be cited. The hydraulic cylinder 11 is controlled by the control device shown in FIG.
It is controlled via 36 to set the gap S value.

The initial value of the gap value S (see FIGS. 2 and 3) of the tip guide 5 is set to the controller 33 by an initial value setter.
Enter the initial value using 37. As a result, the control device 36 controls the hydraulic cylinder 11 until the detected value of the position detecting means 35 of the tip guide 5 matches the set gap value S. Furthermore, for the amount of coil thickening, the winding shaft 1
The rotation speed detector 31 detects the rotation speed N of the metal strip wound around the coil and outputs the value to the coil diameter calculation device 32, and the plate thickness t signal set by the setting device 30 is output as the coil diameter. The signal of the radius r of the winding shaft 1 set by the setting device 30 is output to the arithmetic unit 32, and the coil diameter arithmetic unit 32
Output to. Coil diameter calculation device based on these signals
At 32, the coil diameter r ₂ is calculated and the value is output to the control device 33.

The setter 30, the rotation number detector 31, and the coil diameter computing device 32 constitute a diameter detecting means 38.

Now, the shaft of which the inner diameter of the winding shaft 1 is changed (for example, 16 inches)
At 16.5 inches and 20 inches), the gap value S will change if left as it is. Therefore, the radius r ₁ of the winding shaft 1 at the time of change is set by the setter 30, and the gap value S
Is always constant. And belt wrapper 2
The self-position P of the tip guide 5 is set at the same time when the inner diameter is switched.

Next, after the strip 12 is wound around the tension reel 1, in the case of the oil-free material, the winding is stabilized by 2 to 3 windings. However, in the case of an oil-coated material, slippage may occur unless about 10 to 20 windings are wound, and the winding may not be stable. In such a case, since the belt wrapper 2 cannot be released, the strip 12 may become thick and may come into contact with the facing surface of the tip guide 5 to cause scratches or scratches.

Therefore, the number of revolutions N of the strip 12 wound around the winding shaft 1 is detected by the revolution number detector 31, and the detection signal and the signal of the strip thickness t inputted to the setter 30 are used to calculate the coil diameter. The coil radius r ₂ that is input to the device 32 and calculated, is calculated there, and this value is fed back to the self-position P of the tip guide 5 by the controller 33, so that the clearance correction value (for example, the cylinder 11) of the cylinder 11 is changed every second. S ₁ → S ₂ )
Then, the correction operation is performed (see FIG. 3 (a)) so that a constant gap value S is always maintained. Incidentally, FIG. 2 (b), the third
Reference numeral 21 in FIG. 2B indicates a sleeve fitted onto the winding shaft 1. Therefore, the sleeve 21 also constitutes a part of the winding shaft 1 and is used to prevent the deformation (non-cylindrical shape) of the coil after winding when the thickness of the winding strip is small. It is what is done.

As described above, it becomes possible to set a constant gap value S during continuous operation. It should be noted that the gap value S was found to be 1 to 3 mm for a tin plate having a plate thickness of 0.15 to 0.40 mm, based on various experimental results.

〔The invention's effect〕

(1) The downtime for adjusting the gap value S could be set to zero.

Conventionally, when changing the inner diameter, the gap is always adjusted, and the time required for these is usually 2 minutes / time. This is 0 minutes / cycle according to the present invention, which is very advantageous in the continuous mill.

(2) The quality was stable.

No scratches or scratches were formed between the surface facing the tip guide and the strip. For this reason, the above-described flaw check, which was regularly performed in the post-process, becomes unnecessary, and the yield and productivity can be improved.

(3) Successful prevention of winding breakage.

The gap value S of the tip guide can be set to 2 mm or less, which is less than half of the conventional value, which greatly improves the wrapping property and tightens the winding so that the unit tension changes significantly during wrapping (no slippage). The moment the tension becomes excessive,
For example, 5kg / mm ² → 10kg / mm ² ) has disappeared (normal tension of 5kg / mm ² became 6kg / mm ² N). For this reason, it has become possible to completely prevent breakage of the strip due to winding tightness.

(4) Zero winding mistakes.

Since the gap value S can be set to 2 mm, the winding property is improved and winding mistakes can be eliminated.

(5) Improvement of safety.

Conventionally, the inline was entered and the gap value was measured on a scale, but this work was completely eliminated and safety was significantly improved.

(6) Rolling pressure bonding failure due to winding failure was set to zero.

The rolling accuracy on the tension reel has been greatly improved, eliminating the need for rolling and contributing to stable quality.

[Brief description of drawings]

FIG. 1 (a) is a schematic side view of an embodiment of the present invention, FIG. 1 (b) is a block diagram of a control mechanism in the embodiment, and FIG.
FIG. 1A is a diagram showing a winding start state and a constant gap on the tension reel in FIG. 1A, FIG. 1B is a diagram showing a winding start state using a sleeve and a constant gap, FIG. 3 (a) is a diagram showing a state in which the gap is kept constant by the operation of the cylinder according to the winding weight of the tension reel of the embodiment, and FIG. 3 (b) is a sleeve of the tension reel in FIG. 3 (a). Fig. 4 showing a similar state when the
FIG. 5A is a schematic view of a winding device of a first conventional example, FIGS. 6B and 6C are explanatory views of the operation of the belt wrapper portion in FIG. 5A, and FIG. FIG. 6 is a schematic diagram mainly showing a belt wrapper portion of a conventional example, and FIG. 6 is a schematic diagram mainly showing a belt wrapper portion of a third conventional example. 1 …… Metal band winding shaft (tension reel), 2 …… Belt wrapper, 5 …… Tip guide, 22 …… Metal band coil, S…
… Gap, t …… Metal strip thickness, N …… Rotation speed of winding shaft, P ……
Self-position of tip guide, r ₁ , r ₂ ...... Radius of coil diameter or tension reel diameter.

Front Page Continuation (72) Inventor Takeo Onishi 1 Kawasaki-cho, Chiba-shi, Chiba Inside the Chiba Steel Works, Kawasaki Steel Co., Ltd. 56) References JP-A-52-7836 (JP, A) JP-A-58-29525 (JP, A) Jitsukaihei 1-151904 (JP, U) JP-B-51-22454 (JP, B2)

Claims (2)

[Claims] 1. A position detecting means of a tip end guide of a belt wrapper, a diameter detecting means of a metal strip winding shaft or a metal strip coil, and a control for controlling a position of the tip end guide based on detection values of the both detecting means. And a device for winding the metal band with a belt wrapper. 2. The diameter detecting means is constituted by means for calculating a diameter based on the outer diameter of the metal band winding shaft, the plate thickness of the metal band, and the number of rotations of the winding shaft. 1. The metal band winding device with a belt wrapper according to claim 1.