JPH11188446A - Coil bundle releasing device and bundle releasing method - Google Patents

Abstract

PROBLEM TO BE SOLVED: To release a coil bundle quickly and efficiently without using a man-power by bringing a coil, being hung supported, down to a coil receiving table which is formed in a convex curve face as a whole and concavo-convex stripes are disposed on its face substantially parallel to an extending direction of the coiled wire so as to disperse the coiled wire. SOLUTION: A receiving face to the coil receiving table 4 is made to be a convex curve protruding upwards as a whole, and concavo-convex stripes 5 are formed on the face extending substantially parallel to the coil wire material being hung supported by a hook 1, side view of which is C shape. When a bundle release is carried out, the coil C being hung supported by the hook 1 is positioned directly above the coil receiving table 4, and is brought down so that it is bound, supported while dispersing the bottom at the concavo-convex stripes 5 of the coil receiving face. An upper part of the coil C being in a floating condition from the coil receiving face of the hook 1 is dispersed relatively freely in correspondence to the supporting condition of the coil receiving table 4 curve face. Therefore, while they are hung up thereafter to transfer to the following processing, such bring-down or hang-up operation is repeated as occasion demands.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a coil unwinding apparatus which is effective in applying various surface treatments to a wire wound in a coil shape and making the surface treatment sufficiently uniform over the entire circumference and the entire length of the coil. And a disassembly method using the same.

[0002]

2. Description of the Related Art When performing surface treatment on a wire wound in a coil shape, for example, it is widely practiced to immerse the coil in a treatment tank containing a chemical solution. In general, the hook is suspended in a processing tank using a hook having a substantially C-shaped side surface.

[0003] Fig. 10 shows an example of this, in which a coil suspended by a coil hanger consisting of a substantially C-shaped hook is placed adjacent to each other, and descaling pickling is performed. It is sequentially immersed in a treatment tank, a washing treatment tank, a chemical conversion treatment tank, an intermediate treatment tank and the like. By the way, when the surface treatment is performed on the coil wire in this way, in order to perform the treatment sufficiently uniformly over the entire circumference and the entire length of the coil wire, the coil being processed is usually subjected to an external force such as vibration or oscillation. Or the operation of unwinding the coil manually by an operator at the stage of hanging the coil before the start of the process.

[0004]

However, in the former case in which the coil is vibrated or rocked, there is a problem that the uniformity of the treatment of the wire cannot be sufficiently ensured. Also, before the coil 52 is hung by the hanging tool 51 or in the hung state, the bundle is unbundled, that is, in the latter case where the coil 52 is sufficiently unraveled manually, the diameter of the wire is reduced to about 8φ. Although it is effective for the above, there is a problem that it is hard work and inefficient, and furthermore, it becomes impossible to sufficiently unbundle when the wire diameter becomes large.

The present invention has been made to solve such a problem of the prior art, and an object of the present invention is to require manual operation regardless of the diameter of the coil wire. It is an object of the present invention to provide a coil uncoupling device and an uncoupling method capable of efficiently uncoiling a coil without performing.

[0006]

A coil uncoupling device according to the present invention comprises a coil hanger and a cradle for supporting a coil suspended by the coil hanger. On the surface, uneven strips extending substantially parallel to the extending direction of the coil wire are formed. In this device, first,
The coil hung and supported by the coil hanger is hung down on the coil receiving surface of the cradle, and the free displacement of the wire at the lower portion of the coil at this time is restrained by the uneven strip formed on the coil receiving surface. . Thus, the wire is relatively freely separated at the upper portion of the coil that has been lifted from the coil hanging tool. After that, the upper part of the coil in which the wire is loose is suspended again with the coil hanger, and this time, the coil wire hitting the lower part of the coil is loosened in the same way as the loose state of the upper wire. Can be. As a result, the coil wire can be unwound sufficiently and uniformly over the entire length of the coil wire in a short time, regardless of the wire diameter, and without any need for human intervention.

[0007] Here, when the above-mentioned lifting and lowering operations are repeated, it is possible to realize more uniform unwinding of the coil wire. Further, in such a device, more preferably, on the coil receiving surface of the coil hanging tool, formed are ridges extending substantially parallel to the direction in which the coil wire extends, and these ridges allow the coil to be hung for the second and subsequent times. In addition, it restrains the coil wire from scattering randomly. And more preferably, the coil receiving surface of the pedestal,
It is formed so as to have a convex curved surface as a whole, thereby positively inducing the displacing displacement of the wire above the coil.

According to the coil uncoupling method of the present invention, the coil hung and supported by the coil hanger is hung down on the coil receiving surface of the cradle, thereby causing a mutual displacement between the coil wires at the top of the coil. Thereafter, the coil is again suspended and supported by the coil suspender, thereby causing the coil wire below the coil to be displaced by the upper wire. In this method, the coil is unloaded and lifted at least once, so that efficient and uniform unwinding over the entire length of the wire is always efficient regardless of the wire diameter, without manual operation by an operator. Can be done

[0009]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a perspective view showing an embodiment of an apparatus according to the present invention.
Shows a hook having a substantially C-shaped side surface as a coil hanging tool. The hook 1 is suspended from a crane or the like (not shown) by a wire 2. Here, on the coil receiving surface of the hook 1 which comes into contact with the coil C, the concave and convex strips 3 extending substantially parallel to the extending direction of the coil wire are provided.
To form On the other hand, a pedestal 4 for the coil C is disposed at a lower portion within the movement range of the hook 1, and as shown in the figure, the coil receiving surface of the pedestal 4 is entirely projected upward. On the coil receiving surface, a concave and convex strip 5 extending substantially parallel to the coil wire is formed.

[0010] In uncoiling the coil by the device having the above-described configuration, first, the coil C suspended by the coil receiving surface of the hook C as shown in FIG.
It is brought to a position directly above the cradle 4, where it is suspended on the coil receiving surface of the cradle 4 to support the coil weight on the coil receiving surface. According to such a method, as shown in FIG. 2, the lower part of the coil C disperses the coil wire rod by the concave and convex strips 5 formed on the coil receiving surface of the receiving base 4 and restrains this state. On the other hand, in the upper part of the coil which is raised from the coil receiving surface of the hook 1, the wire is relatively freely displaced and displaced in accordance with the state of support of the coil wire by the receiving base 4. Note that, in this case, the unbalanced area is further expanded by making the coil receiving surface of the receiving base 4 a convex curved surface as shown in the figure.

Thereafter, the hook 1 is raised and the coil C
Is again suspended and supported. At the time of the hanging support, the coil wire in the upper part of the coil, which has already been separated, is caught by the uneven strips 3 of the hook 1 as shown in FIG. Will be prevented (restrained). Therefore, the coil wires W are dispersed and supported on the coil receiving surface of the hook 1 in a state of being substantially evenly distributed. When the coil C is completely suspended and supported by the hook 1, as shown in FIG. 4, the wire at the lower part of the hook 1 is released from the restraint of the cradle 4 to relieve the internal stress acting thereon. It is freely displaced and displaced in the direction, so that it is in a disassembled state substantially equal to the upper wire.

[0012] By these series of operations, the coil is unwound sufficiently evenly over its entirety.
It is effective to repeat the above operation a plurality of times for further uncoupling. Also in this case, the concave and convex strips 5 of the cradle 4 effectively restrain the disordered dispersal of the lower wire of the coil C, and the concave and convex strips 3 of the hook 1 correspond to the sufficiently dislodged upper wire of the coil C. Function to effectively constrain the unexpected narrowing and widening of the variation width.

Although the embodiment of the present invention has been described with reference to the drawings, it is also possible to omit the concave and convex strips 3 from the coil receiving surface of the hook 1 and to make the coil receiving surface of the receiving table 4 Instead of the convex curved surface, it is also possible to use a horizontal surface provided with ridges and projections, and these configurations can be variously combined with those described above.

In addition, the irregularities 3 of the hook 1 referred to here
In the case where the width of the hook is narrow, for example, as shown in FIG. 5, it can be formed by successive repetition of peaks and valleys in which the extending direction does not substantially exist.
The uneven stripes may be made uneven as shown in FIG.

[0015]

EXAMPLE A concave and convex strip 3 of a coil receiving surface of a hook 1 was formed as shown in FIG. 7, and the dimensions of each concave and convex portion were R1 = 30 mm and R1 = 30 mm.
2 = 30mm, R3 = 30mm, R4 = 40mm, L1 = 58mm, L2
= 30 mm, and the ridges and recesses of the coil receiving surface of the pedestal 4 were formed as shown in FIG. 8, and r = 1800 mm and d = 42.7 mm. Here, when a coil made of a wire having a wire diameter of 6.0φ was exchanged between the hook 1 and the receiving table 4 and the extent of the width of the coil C was measured, the result was as shown in FIG. The coil width, which was about 1200 mm, could be expanded to about 1900 mm by depositing it on the cradle 4 four times.

Therefore, according to the present invention, the coil C is
It is possible to easily and quickly unbundle the entire body without any manual operation. Incidentally, the line segment indicated by A in the figure is a measurement result when the apparatus as shown in FIG. 1 is used, and the line segment indicated by B is the portion shown in FIG. The line segment indicated by C is the result obtained by an apparatus in which the coil receiving surface of the cradle 4 in FIG. Minute is hook 1
5 shows the measurement results of an apparatus in which the concave and convex strips are omitted and the coil receiving surface of the pedestal 4 is a horizontal surface on which the concave and convex strips are formed.

[0017]

As described above, according to the present invention, there is provided, in particular, a coil hanger and a cradle for temporarily supporting the coil, and the extension of the coil wire is provided on the coil receiving surface of the cradle. In a device formed with uneven strips extending almost parallel to the existing direction, a coil hung on a coil hanger is hung down on a coil receiving surface of a cradle to cause a displaced displacement of a coil wire material on an upper portion of the coil. Then, by suspending and supporting the coil with a coil suspending device and causing the coil wire to be displaced and displaced below the coil, the coil can be moved irrespective of the wire diameter regardless of the wire diameter without any manual operation. , Can be unwrapped simply, quickly and evenly.

[Brief description of the drawings]

FIG. 1 is a perspective view showing an embodiment of the invention device.

FIG. 2 is a perspective view showing a state in which a coil is supported on a receiving stand.

FIG. 3 is a cross-sectional view showing a restrained state of the wire rod by the concave and convex strips of the hook.

FIG. 4 is a perspective view showing an uncoupling state of a coil.

FIG. 5 is a perspective view showing another mode of the concave and convex strips of the hook.

FIG. 6 is a perspective view showing another mode of the concave and convex strips of the receiving table.

FIG. 7 is a view showing an embodiment of a concave and convex strip of a hook.

FIG. 8 is a view showing an embodiment of a concave and convex strip of a receiving table.

FIG. 9 is a graph showing a state of a change in a coil width.

FIG. 10 is a view showing an example of surface treatment of a coil wire.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Hook 2 Wire 3 Irregular strip 4 Cradle 5 Irregular strip C Coil W Wire R1 Radius of peak of concave and convex strip 3 R2 Radius of trough of concave and convex strip 3 R3 Radius of peak of concave and convex strip 3 R4 Peak of concave and convex strip 3 Radius of part L1 Valley height of uneven strip 3 L2 Peak and valley of uneven strip 3 γ Convex radius of pedestal 4 d Radius of convex part of uneven strip 5

 ──────────────────────────────────────────────────続 き Continuing from the front page (72) Inventor Koichi Konishi 1-chome, Mizushima-Kawasaki-dori, Kurashiki-shi, Okayama Pref. Chome (without address) Inside the Kawasaki Steel Works, Mizushima Works

Claims (4)

[Claims] 1. A coil hanger, and a cradle for supporting a coil hung by the coil hanger, the coil receiving surface of the cradle having an uneven surface extending substantially parallel to a direction in which the coil wire extends. A coil unwinding device formed with a strip. 2. The coil uncoupling device according to claim 1, wherein an uneven strip extending substantially in parallel with the extending direction of the coil wire is formed on the coil receiving surface of the coil hanging device. 3. The coil uncoupling device according to claim 1, wherein the coil receiving surface of the pedestal is formed as a convexly curved surface as a whole. 4. A coil hung and supported by a coil hanger is hung down on a coil receiving surface of a cradle, thereby causing a displaced displacement of a coil wire at an upper part of the coil. A coil uncoupling method characterized by causing a coil wire to be displaced in a lower portion of a coil by suspending and supporting the coil wire.