JPH06345037A - Automatic packer of coil with packaging paper - Google Patents

Abstract

PURPOSE:To securely pack a coil with a well-finished packing paper, by providing a press-roller by which folds can be formed on the superposed packing paper formed by horizontal and vertical blades. CONSTITUTION:The widened packing paper 9 at the side face of a coil 8 is kept to position at the side face of coil 8 by the horizontal blade 2 which has traversed from the outer diametral part of coil 8 by a specified distance and has stopped at the side face of coil. And the vertical blade 3 is transferred downward to stuff the packing paper 9 into the outside of the horizontal blade 2 and form the superposed part. The superposed packing paper 9 is creased from the upper side of the horizontal blade 2 and the vertical blade 3 and also by directly pressing the superposed part at the front end of horizontal blade 2, by the rolling pressing roller 4. Thereafter, the coil 8 is rotated by a specified angle to wind up the packing paper 9 on the coil 8. Accordingly, the packing paper can be folded in to form a triangle and hence, a secure packing can be obtained.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an apparatus for automatically packing metal coils and other cylindrical objects with packing paper.

[0002]

2. Description of the Related Art When packing a cylindrical object such as a metal coil (hereinafter referred to as "coil") with packing paper, it is required to keep the packed coil airtight. The packing work covers the outer peripheral surface of the coil with packing paper that is wider than the width of the coil, and the wide part of the packing paper that spreads to the side surface of the coil runs along the side surface of the coil.
This is performed by folding the packing paper from the outer diameter portion of the coil toward the inner diameter portion (usually referred to as “chrysanthemum folding”) to form an overlapping portion, and closely contacting the side surface of the coil for coating.
In carrying out this work, the paper folding on the side surface of the coil is formed into a desired triangular shape with an accurate folding width, and the overlapping portion (fold) has an increasing overlapping width from the outer diameter portion to the inner diameter portion of the coil. Therefore, promptness is required in terms of work efficiency.

The coil packing work using such packing paper was originally a manual work, and since this was a considerable amount of labor, it was desired to develop a technique for automating the work. In fact, many have been proposed and put to practical use in the past.

An important point in packing the coil with the packing paper is how to efficiently fold the packing paper on the side surface of the coil into a desired shape (kiku folding) as described above.
The method is to wrap the packing paper on the coil outer peripheral surface once and then fold the packing paper on the coil side surface once, or to wrap the packing paper on the coil outer peripheral surface and to sequentially pack the coil side surface packing paper. There is a method of folding. However, in any of the methods, a complicated mechanism is required to position the widthwise end of the packing paper near the inner diameter of the side surface of the coil and to form a reliable overlapping portion.

As a technique for automatically performing a coil packing operation by sequentially folding the packing paper on the side surface of the coil while winding the packing paper around the outer peripheral surface of the coil, for example, Japanese Patent Laid-Open No. Sho 62-208323 discloses. , A method of folding a wrapping paper for a metal strip coil has been proposed. The wrapping paper is wrapped around the outer circumference of the metal strip coil, the ears of the wrapping paper protruding from the end face of the coil are pinched by the folding mechanism, the ears are bent in the inner diameter direction of the coil end face, and the folding mechanism is used for the coil. In the method of folding the folded ear on the coil end face by rotating the coil by a predetermined angle in the circumferential direction, the position of the outer peripheral deformed portion of the coil is detected and stored in advance in the packaging paper winding step. Setting, calculating the outer peripheral deformed portion optimum position of the coil based on the storage position in the wrapping paper edge bending step, adjusting the outer peripheral deformed portion position of the coil based on the calculated position, outer peripheral deformed shape After adjusting the position of the parts, the operation of pinching the ears of the wrapping paper is started (hereinafter referred to as "prior art 1").

According to Prior Art 1, as compared with the manual packing work before that, complete labor saving is achieved.

As a technique for realizing automatic packing of coils by packing paper with a relatively simple device configuration, Japanese Patent Laid-Open No. 57-1
In Japanese Patent No. 33815, there is proposed a coil packing paper folding method consisting of the following. When the packing paper is sent to the lower surface of the coil, and when it reaches the lower surface of the coil, the first and second process of operating the elongated suction plates with wings on the left and right sides of the coil on the lower surface of the packing paper to adsorb the tip of the packing paper to the suction plate, and the packing. The second step of standing up the suction plate to which the paper has been sucked up and abutting it on the side surface of the coil in a slightly inclined manner, and blowing the air from the air blowing pipe arranged close to the side surface of the coil A with the suction plate activated. The third step of inflating the standing paper part, which follows the suction part of the paper, to the outside,
Press the paper folding spatula that is located slightly outward of the inflated paper portion with the paper folding spatula to insert that portion into the space between the inclined suction plate and the coil side surface to form a fold, and then It consists of the fourth step of pulling out the paper folding spatula from the fold and the fifth step of stopping the operation of the suction plate and rotating the coil A by the fold, and the preparation is carried out in the first and second steps, Repeat 5 steps over the entire circumference of the coil until a fold is made (hereinafter,
"Prior art 2").

According to the prior art 2, packing of the coil with the packing paper can be automated with a simpler device configuration than the prior art 1.

[0009]

The device applied to the method of the prior art 1 has a complicated structure and a large number of components and actuators. Therefore, there is a problem that not only the cost is high and there is little merit as a labor saving investment, but also the maintenance of the device itself is difficult. In addition, there is a problem that the installation space occupies a large area, and in some cases, foundation work and the like are forced to be installed.

In the coil packing paper folding method described in the prior art 2, it is difficult for the packing paper folding spatula to always fold it at a fixed position. This is because there is friction between the packing paper and the spatula. Therefore, there is a drawback that the fold widths are likely to be uneven.

Further, since the packing paper is not pulled from the rear with an appropriate tension, it is difficult to form an accurate folding bag only with the suction plate and the blowing air.

Therefore, an object of the present invention is to solve the above-mentioned problems, and by extremely simple components and their movements, the coil can be surely packaged by a packaging paper having a good finish and can be easily installed in an existing line. An object of the present invention is to provide an automatic coil packaging device using a packaging paper, which can be installed at a low cost and can fully meet the labor-saving investment.

[0013]

[Means for Solving the Problems] We have conducted extensive studies in order to obtain an apparatus capable of reliably packaging a coil with a good finish. As a result, the packing paper is supplied to the outer peripheral surface of the coil while applying backward tension, and the packing paper is formed on the coil side surface by the two blades slidably arranged on the coil side surface. It was discovered that by using a pressing roller to make sufficient creases (folds) in the overlapping part, a simple device configuration can be achieved, and good coil packing can be achieved quickly and accurately.

The present invention has been made on the basis of the above-mentioned findings, and a packing paper wider than the width of the coil fed from the tangential direction to the outer peripheral surface of the coil is provided on the outer peripheral surface of the coil. A support roll to be pressed against, a coil rotating mechanism capable of winding the fed packing paper around the coil by intermittently rotating the coil by a predetermined angle, and a wide part of the packing paper to the side surface of the coil. A horizontal blade that slides in parallel to the side surface of the coil so as to be bent and maintained along the side surface of the coil, and a slack of the wide portion of the packing paper along the side surface of the coil. A vertical blade movable toward the outside of the horizontal blade so as to form a folded portion on the packing paper in a state of folding back and stacking the minutes on the outside of the horizontal blade, and the horizontal breaker. In which characterized in that it has a pressing roller capable of crease by pressing the overlapping portions of the packaging paper formed by said vertical blade and.

[0015]

[Operation] On the outer peripheral surface of the coil placed with the axis horizontal,
The support roll that presses the packaging paper fed from the tangential direction against the outer peripheral surface of the coil ensures that the packaging paper is brought into close contact with the outer peripheral surface of the coil. The horizontal blade is slid on the side surface of the coil so that the wide portion of the packing paper is positioned along the side surface of the coil. Due to such actions of the support roll and the horizontal blade, the packing paper is optimally attached to the outer peripheral surface of the coil and pressed against the side surface of the coil when the packing paper is fed.

In order to surely fold the packing sheet on the coil side surface, a horizontal blade for pressing the packing sheet against the coil side surface from the lateral direction is arranged so as to slide parallel to the coil side surface. Maintain the condition that the wide part of the packing paper is pushed and bent along the side of the coil. Then, a vertical blade is arranged so as to be movable parallel to the outside of the horizontal blade that has slid parallel to the coil side surface, and the vertical blade that has moved in parallel between the coil side surface and the packing paper is along the side surface of the coil. The slack of the wide part of the packaging paper is folded back to the outside of the horizontal blade so that the packaging paper is overlapped to form a stacking portion (fold at the time of folding) of the packaging paper. Then, in that state, a pressing roller that rolls so as to press the stacked portion of the packing paper from above is arranged, and on the horizontal / vertical blades that maintain the formation of the stacked portion of the packing paper along the side surface of the coil, Also, roll over the part including the folded part of the packing paper and press it. By this series of movements, one (one) overlapping portion (creases of a chrysanthemum fold) is formed accurately and surely.

Next, the two blades (horizontal blade and vertical blade) and the pressing roller are retracted to their original positions, and then the coil is rotated by a coil rotation mechanism to set the coil by a pitch corresponding to one pitch. It rotates by an angle and repeats the above-mentioned operation for 360 degrees all around, forming folds one after another.

When the overlap margin reaches the desired amount at the winding start point of the packing paper, the chrysanthemum folding around the entire circumference of the coil is completed.

As described above, when the packing paper on the side of the coil is folded, by using the two blades (vertical blade and horizontal blade) and the pressing roller, the packing paper on the side of the coil is folded. Is formed into a proper triangular shape with a proper crease, and the coil and the packing paper are in close contact with each other.

[0020]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, the present invention will be described based on the embodiments shown in the drawings. FIG. 1 is a front view showing an embodiment of the present invention,
2 is a view showing a positional relationship between the horizontal blade and the pressing roller as viewed from an arrow A in FIG. 1, FIG. 3 is a view as viewed from an arrow B in FIG. 9 to 10 are schematic sectional views for explaining the steps of the embodiment of the present invention, and FIG.
15 to 15 are schematic front views for explaining the steps of the embodiment of the present invention. FIG. 10 is FIG. 4, FIG. 11 is FIG. 5, and FIG.
8 corresponds to FIG. 8, FIG. 13 corresponds to FIG. 9, and
FIG. 15 shows a state in which a flanged sleeve is fitted into the end of the coil inner diameter hole. 4 to 9, the coils, the packing paper, the horizontal blades, the vertical blades, the pressing rollers, and the like are illustrated at a distance from each other for convenience of description.

The automatic coil packing apparatus of the present invention supports the packing paper 9 fed on the outer peripheral surface of the coil 8, the coil rotating mechanism, and the packing paper 9 on the side surface of the coil 8. A plate-like horizontal blade 2 and vertical blade 3 for folding, and a pressing roller 4 for making a fold (fold) in the overlapping portion of the folded packing paper.
It consists of

The coil 8 is placed on the cradle roll 5 having a coil rotating mechanism with its axis being horizontal. The coil 8 can be intermittently rotated by a predetermined angle by the cradle roll 5.

At the paper feed position 11 where the horizontal diameter direction of the coil 8 and the outer diameter portion of the coil 8 intersect, the packing paper is fed from above the coil 8 and in a tangential direction substantially perpendicular to the outer peripheral surface of the coil 8. 9 will be sent. The packing paper 9 is fed from a paper feed mechanism 12 arranged above the coil. The packing paper 9 used is wider than the coil 8. The wide portion of the coil covers the side surface of the coil, and the end surface thereof is formed to have a predetermined size that can reach the inner peripheral surface of the inner diameter portion of the coil.

At the paper feeding position 11, the support roll 1
It is placed horizontally with the packing paper 9 in between,
The packing paper 9 fed in 11 is pressed against the outer peripheral surface of the coil 8 by the support roll 1.

The horizontal blades 2 are rectangular and are arranged apart from each other in the lateral direction with their planes parallel to the side surfaces of the coil 8. The horizontal blade 2 is adapted to slide in the direction indicated by arrow C in FIG. That is, along the side surface of the coil 8, the outer diameter portion of the coil 8 can move laterally substantially horizontally from the separated position to the inner diameter portion. Maintaining the wide portion of the packing paper 9 on the side surface of the coil 8 along the side surface of the coil 8 by the horizontal blade 2 which has traversed a predetermined distance from the outer diameter portion of the coil 8 and stopped at the coil side surface portion. You can FIG. 10 shows a state in which the horizontal blade 2 is stopped at the side surface of the coil.

The vertical blade 3 has a spatula shape and is arranged between the side surface of the coil 8 and the packing paper 9. The vertical blade 3 is movable along the side surface of the coil 8 in the direction in which the horizontal blade 2 below the coil 8 is stopped.

The pressing roller 4 is arranged in a direction parallel to the side surface of the coil 8 and horizontally traverses along the side surface of the coil 8 from the outer diameter portion to the inner diameter portion of the coil 8 to form the coil 8. It is possible to roll so that the side surface of can be pressed.
The pressing roller 4 directly overlaps the overlapping portion of the packaging paper 9 formed by the horizontal blade 2 and the vertical blade 3 from above the horizontal blade 2 and the vertical blade 3 and at the tip of the horizontal blade 2 (near the inner diameter of the coil). It has the function of making creases by pressing the parts.

Next, the steps of packing the coil with paper by the device of the present invention will be described below.

The packaging paper fed to the paper feed position 11 on the outer peripheral surface of the coil 8 is held by the support roll 1 while the end portion of the packaging paper 9 is pressed against the outer peripheral surface of the coil 8. The packing paper 9 is fed by the feed roll 14 of the feeding mechanism 12, and is fed to the feeding position 11 along a flat guide hanging from the feeding mechanism 12. (See FIGS. 1 and 10).

As shown by an arrow C in FIG. 1, the horizontal blade 2 is laterally moved from the outer diameter portion of the coil 8 toward the inner diameter portion thereof, and the wide portion of the packing paper 9 is pushed and bent to be along the side surface of the coil. maintain. The end of the packing paper 9 is sucked into the inner diameter hole of the coil 8 by suction of gas from the multiple holes formed in the ring 6 fitted in the end of the inner diameter hole of the coil 8 in advance through the center shaft 13. (See FIGS. 3, 4, and 10).

The vertical blade 3 inserted between the coil 8 and the packing paper 9 is moved downward and the packing paper 9 is folded by pushing the packing paper 9 outside the horizontal blade 2 with respect to the coil 8, and thus, The overlapping portion is formed by folding back and overlapping (see FIGS. 5 to 7 and 11).

The horizontal blade 2 and the vertical blade 3 interpose the stacking portion of the packaging paper 9 by the pressing roller 4 which rolls over the stacking portion while moving laterally from the outer diameter portion of the coil 8 toward the inner diameter portion. From the top of the state, and at the tip of the horizontal blade 2 (in the vicinity of the inner diameter of the coil), the overlapping portion is directly pressed to make a crease. After that, the horizontal blade 2, the vertical blade 3 and the pressing roller 4 are retracted.
(See FIGS. 8 and 12). As a result, the overlapping portion 10 having a neat triangular shape, that is, a triangular shape in which the overlapping width increases from the outer diameter portion to the inner diameter portion of the coil 8 is formed (see FIGS. 9 and 13).

The packaging paper 9 is wound around the coil 8 by rotating the coil 8 by a predetermined angle. The following steps are repeated to cover the packing paper 9 over the entire circumference of the coil (for 360 degrees) (see FIG. 14).

The flanged sleeve 7 is attached to the packing paper 9
Is fitted into the end of the inner diameter hole of the coil 8 covered with
5).

In this embodiment, the operation of one side surface of the coil has been described, but in reality, both side surfaces of the coil are simultaneously worked. It is natural from the viewpoint of work efficiency. Of course, it can be performed on only one side.
Further, although the present embodiment has been described using the coil, it goes without saying that the object to be packed can be applied to a cylindrical object other than the coil.

[0036]

As described above, according to the present invention,
The following beneficial effects are brought about. The coil packing work using the packing paper can be carried out accurately and surely with a relatively simple device configuration. An optimum back tension can be applied to the packing paper when the paper is fed, and further, the packing paper can be folded into a neat triangular shape at the chrysanthemum folding portion, and good packing can be surely carried out. Compared with the conventional manual work efficiency, for example,
In each line of surface treatment and recoil,
The number of people per line is certainly labor-saving, automation of coil packing work can be achieved, and labor saving can be realized.
The elimination of the above-mentioned work, which is hard work for workers, has significance as a means for solving worker health and safety measures. The amount of capital investment is considerably cheaper than the prior arts 1 and 2, and the investment effect is extremely high. Since it can be widely applied to paper packaging of not only coils but also cylindrical objects, it can also be applied to other industrial fields.

[Brief description of drawings]

FIG. 1 is a front view showing an embodiment of the present invention.

FIG. 2 is a view on arrow A in FIG.

FIG. 3 is a partial cross-sectional view taken along arrow B in FIG.

FIG. 4 is a schematic side view illustrating a process of an example of the present invention.

FIG. 5 is a schematic side view illustrating a process of an example of the present invention.

FIG. 6 is a schematic side view illustrating a process of an example of the present invention.

FIG. 7 is a schematic side view illustrating a process of an example of the present invention.

FIG. 8 is a schematic side view illustrating a process of an example of the present invention.

FIG. 9 is a schematic side view illustrating a process of an example of the present invention.

FIG. 10 is a schematic front view illustrating the process of the embodiment of the present invention corresponding to FIG.

FIG. 11 is a schematic front view illustrating the process of the embodiment of the present invention corresponding to FIG.

FIG. 12 is a schematic front view illustrating the process of the embodiment of the present invention corresponding to FIG.

FIG. 13 is a schematic front view for explaining the process of the embodiment of the present invention corresponding to FIG.

FIG. 14 is a schematic front view illustrating the process of the embodiment of the present invention.

FIG. 15 is a schematic front view for explaining the process of the embodiment of the present invention, showing a state in which a sleeve with a flange is fitted into the end of the coil inner diameter hole.

[Explanation of symbols]

 1 Support Roll 2 Horizontal Blade 3 Vertical Blade 4 Pressing Roller 5 Cradle Roll 6 Ring 7 Flange Sleeve 8 Coil 9 Packing Paper 10 Stacking Section 11 Paper Feed Position 12 Paper Feed Mechanism 13 Center Shaft 14 Feed Roll

Front page continuation (72) Inventor Nobuo Iwamasa 1-2 1-2 Marunouchi, Chiyoda-ku, Tokyo Nihon Steel Tube Co., Ltd. (72) Inventor Gen Maejima 1264, Tenma, Fuji, Shizuoka Prefecture Toshio 22-4-507 Yotsuyakami-cho, Kawasaki-ku, Kawasaki-shi, Kanagawa Prefecture

Claims (1)

[Claims] 1. A support roll that presses a packing paper, which is fed from the tangential direction to the outer peripheral surface of the coil and is wider than the width of the coil, onto the outer peripheral surface of the coil, and the coil is intermittently at a predetermined angle. A coil rotating mechanism that can rotate and wind the fed packaging paper around the coil, and keep the wide portion of the packaging paper bent along the side surface of the coil to keep it along the side surface of the coil. As described above, a horizontal blade that slides parallel to the side surface of the coil, and a slack of the wide portion of the packing paper in a state of being along the side surface of the coil is folded back to the outside of the horizontal blade to be stacked. A vertical blade movable toward the outside of the horizontal blade so as to form a folded portion in the packaging paper, and the packing paper formed by the horizontal blade and the vertical blade. Automatic baler coil by packaging paper, characterized in that it comprises a pressing roller capable of creasing presses the root portion.