JP2785008B2 - A method for feeding out a packaging material in a body-wrapped package of a roll-shaped article - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for unwinding a wrapping material sheet from a raw material roll and wrapping the wrapping material into a wrapping apparatus. is there.

[0002]

2. Description of the Related Art Conventionally, in order to feed a packaging material sheet to a packaging device, an unwinding machine (not shown) in which a raw material roll A having a width W is arranged on a side of a packaging line CC as shown in FIG. The wrapping material sheet is unwound in the direction of the arrow a toward the wrapping line, and the wrapped roll-shaped article (hereinafter simply referred to as a roll) R is provided.
Is cut into a length (L + 2α) obtained by adding a margin for wrapping the both ends of the roll to the width L of the roll, and as the packaging material piece 1, the packaging material piece 1 is transported to the packaging line CC, and is orthogonal to the transport direction. Roll R in the direction of arrow b.

[0003]

However, in the above-mentioned conventional method, the packaging material piece 1 having the width W and the length (L + 2α) as described above.
Can be obtained, but the width W is a value obtained by adding the body winding allowance β (see FIG. 3) to the circumference of the roll R, and when the diameter of the roll R is d, W = πd + β.

There are various dimensions of the roll R to be wrapped, and a change in the width L of the roll R can be dealt with by the unwinding cut length of the raw roll A, while a change in the diameter d of the roll R can be achieved. On the other hand, it corresponds with the length of the body winding margin β. Therefore, there is no restriction on the change of the width dimension of the roll R, and it can be easily dealt with simply by changing the unwinding cut length of the raw material roll A. Due to restrictions, if the roll diameter changes, it is necessary to prepare different roll widths in accordance with the change. Of course, when multiple windings are used, the packaging material becomes bulky for the next process and roll end surface packaging. This is too much, and it becomes difficult to pack the end face.

[0005] If this further description, when the diameter capable of wrapping with the packaging material strip and d _1, when the packaging material piece 1 double winding width W
Is W = 2πd ₁ and 2πd ₁ = πd ₂ + β, where d ₂ is the maximum diameter of the roll that can be wound around the packaging material 1. Here, d ₂ = 2d ₁ −β / π, that is, the roll can be wound with the same raw width W up to a roll diameter slightly less than twice the minimum roll diameter. Inconvenience arises in that the anti-roll has to be mounted on the raw roll unwinder.

SUMMARY OF THE INVENTION The present invention addresses the above-mentioned situation, and in particular, combines a narrow width packaging material with a wide width packaging material to a diameter approximately three times as large as the minimum diameter roll without changing the original roll. It is an object of the present invention to make packaging possible and thereby improve the work efficiency of body-wound packaging.

[0007]

That is, a feature of the present invention that meets the above-mentioned object is that when a wrapping material is unwound in a body-wrapping wrapping of a roll-shaped article, a narrow width wrapping is provided on the side of the wrapping line in parallel with the wrapping line. A raw material roll and a wide width packaging material roll are arranged, and an adhesive tape roll unwinding device is provided on the side of the wide width packaging material roll near the narrow width packaging material roll. The adhesive tape rewound from the roll is attached to the ear end of the packaging material unwound from the wide width packaging material roll with half of the tape width, and the other half can be protruded from the packaging material ear end. And roll-wrapping of small-diameter wrapped rolls using only narrow-width wrapping materials, roll-wrapping of slightly larger-diameter wrapped rolls using only wide-width wrapping materials, and wide-width wrapping. Attach half of the adhesive tape to the lug end Rihamide was in the wrapping packaging the packaged roll of a larger diameter to join the packaging material of the narrow width to the adhesive tape selectively perform it.

[0008]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, specific embodiments of the present invention will be described.

FIG. 1 shows a feeding mode of a packaging material for carrying out the method of the present invention. In the drawing, A ₁ is a raw material roll having a narrow width W ₁ , and A ₂ is a raw material roll having a wide width W _2. in, it is arranged parallel to the packaging line C-C together raw unwinding device packaging line side, a narrow width of the packaging material from the packaging ZaiHara roll a _1, whereas, packaging material raw roll a respectively drawn out the packaging material of a wide width is from _2, packaging material and the packaged roll R of the roll width to the roll end faces packaging allowance length feeding cut to packaging material piece 1a by adding and 1b None, and transfer to the orthogonal packaging line CC.

[0010] In this case, the usage of the packaging material feeding is to be described later from hull ZaiHara roll ₂ unwinding the wide width from follicles ZaiHara roll A ₁ a narrow width, at the same time, it may be a separately, Thus, each of the packaging material pieces 1a and 1b can be used separately or in combination.

[0011] In the figure, 2 is a pressure-sensitive adhesive tape rolls which form a further feature of the invention, the unwinding device to the side closer to the original fabric roll A ₁ wide width original narrow roll A ₂ the width of the FIG. have been deployed, wide ear end of the original fabric roll a ₂ from unwinding the packaging material 3 having a width of paste adhesive tape 2a which rewound from the adhesive tape roll 2, the packaging material from the bulk roll a ₂ An adhesive tape 2a is attached to the ear end 3 together with the unwinding.

In this case, when the adhesive tape 2a is attached, half of the tape width is attached to the ear end portion 3 of the wide width packaging material, and the other half width is protruded from the packaging material ear end portion 3 without being attached. After that, a packaging material piece 1a having a narrow width is prepared so that it can be pasted and joined.

Thus, in the present invention, the narrow width W ₁
When the performing wrapping packaging using only packaging material relatively small diameter of the wrapped roll is feeding driving only wrapped ZaiHara fabric roll A ₁ a narrow width and cut into a desired packaging material piece 1a, packaging It is transferred to the line C-C and is wrapped around the body. In addition, wide width W
_When using only the packaging material of No. ₂ to wrap the roll to be wrapped having a relatively large diameter as compared with the above-mentioned roll, only the raw material roll A2 having a wide width is driven and fed out to form the packaging material piece 1b. It is cut and transferred to a packaging line C-C to be similarly wrapped.

When the above-mentioned wide-width packaging material piece 1b is not sufficient for body-wrapping packaging, and a larger-diameter roll to be packaged is to be body-wrapped, the narrow-width packaging material piece 1a and the wide-width packaging material are used. The pieces 1b were respectively rolled as described above in the form rolls A ₁ , A ₂
It is further cut out and formed, and at this time, the packaging material piece 1 having a wide width is formed.
b, the adhesive tape 2a is applied to the half of the tape width and the two packaging material pieces 1a and 1b are transferred to the packaging line C-C, and then the narrow packaging material piece 1a is converted to the wide width packaging material. Up to piece 1b,
For example, carried by a transport means such as vacuum suction lifting transfer,
The ear end of the narrow width packaging piece 1a is adhered to and adhered to an adhesive tape protruding from the ear end 3 of the wide width packaging piece 1b to form a total width (W ₁ + W ₂ ) packaging piece. Then, it is sent to a packaging line C-C orthogonal to the packaging material unwinding direction, and is wound and packaged.

As described above, in the method of the present invention, in addition to the case of using only the narrow width packaging pieces, the case of using only the wide width packaging pieces, and the body-wrapping packaging using the wider packaging pieces obtained by adding the both packaging pieces together, Can be performed as needed at any time, thereby increasing the usability.

Here, the ratio of the width of the packaging material piece, that is, the ratio of each width of the width of the narrow packaging material unwound from the narrow width raw material roll to the width of the wide packaging material unwound from the wide width raw material roll is: 1:
The ratio may be 2 or 1: 3, but is appropriately selected according to the type of the diameter of the roll to be packaged. In addition, the body-wrap packaging has been already performed conventionally, and a known body-wrap packaging means can be applied in the present invention. However, body-wrap packaging means that leads to packaging automation is most effective.

[0017]

According to the present invention, as described above, a narrow width raw roll and a wide width raw roll are used together, and the adhesive tape roll is closer to the narrow width raw roll than the wide width raw roll. Provided, a roll-wrapping of a roll of a small-diameter wrapped roll using only a narrow-width wrapping material, and a roll-wrapped roll of a roll having a diameter approximately twice as large as the roll to be wrapped using only a wide-width wrapping material. A wide-width packaging material and a narrow-width packaging material can be bonded together to perform body-wrap packaging up to a diameter about three times the minimum diameter. It is possible to respond simply by feeding the raw material roll without the necessity of replacing the raw material roll, and it has a remarkable effect of expanding the wrapping range of the roll to be wrapped and improving its work efficiency. .

[Brief description of the drawings]

FIG. 1 is a schematic diagram showing a specific embodiment of the feeding method of the present invention.

FIG. 2 is a schematic diagram showing a conventional feeding mode.

FIG. 3 is an explanatory view showing an overlapping state at the time of wrapping a roll to be wrapped;

[Explanation of symbols]

A ₁ Narrow width packaging material roll A ₂ Wide width packaging material roll R Packaging roll 1a Narrow width packaging material 1b Wide width packaging material piece 2 Adhesive tape roll 2a Adhesive tape 3 Wide width packaging Lumber ear end

Claims (1)

(57) [Claims] 1. A packaging material roll having a narrow width and a packaging material roll having a wide width are arranged on the side of the packaging line in parallel with the packaging line, and a narrow width of the packaging material roll having a wide width is provided. The adhesive tape roll unwinder is rewound from the adhesive tape roll on the side close to the original material roll, and the half of the tape width is unwound from the wide original material roll. Affixed to the end, arranged so that the other half can protrude from the ear end of the above-mentioned packaging material. A small-diameter wrapped roll of the roll to be wrapped is used, and a half width of the adhesive tape is attached to the wide end of the packaging material ear, and a narrow width is attached to the remaining adhesive tape protruding from the ear end. The packaging material is joined, and the roll-wrapping of the roll to be wrapped with a larger diameter is selectively performed. A method for feeding out a packaging material in a body-wound package of a roll-shaped article, characterized by the above-mentioned.