JP2018162074A - Composite blade part - Google Patents

Abstract

PROBLEM TO BE SOLVED: To develop a technology for adding perforation to a joint bag at a boundary thereof and adding notches.SOLUTION: Multiple blade parts are superposed to form an integrated composite blade part 17. At least one of the composite blade part 17 serves as a blade part for providing perforation 3, and at least one of the other blade parts serves as a blade part for providing notches 5 roughly perpendicular to the perforation 3 of a packaging bag, and thus the perforation 3 and the notches 5 are provided at the same time when treating with the composite blade part.SELECTED DRAWING: Figure 6

Description

  The present invention includes a predetermined content, is wrapped in a film and heat-sealed at predetermined intervals to form a boundary portion, and separates the continuous bag from the continuous bag extending in a strip shape. The present invention relates to a composite blade portion for giving a perforation to the boundary portion and simultaneously adding a notch for opening.

A package body in which a film is stacked and powder or liquid is enclosed and sealed by heat sealing or the like is widely used in various fields including liquid and powder soup packs.
Such a package is manufactured by the following manufacturing method, for example. First, while folding the plastic film, the boundary between adjacent areas is heat-sealed so that an internal volume of a predetermined size can be secured, and after the predetermined content is filled in the partitioned volume by the heat sealing, the opening portion Is further sealed by heat-sealing to produce a continuous body of a package called a continuous bag in which the packages filled with the contents are connected.
Next, in order to make it easy to separate each package of the solid bag, a perforation is added to the heat seal portion between the packages by a blade portion.

The solid bag produced in this way is not completely separated into individual packages, and if necessary, if separated along the perforation, individual packages can be obtained and widely used in various industries. It is used. In particular, in the processed food industry, its versatility is great.
Here, about the package of the individual package finally used for consumers etc., in order to open the said package, it is preferable that the notch (break) is provided to the package.
When notches are provided in this way, the work becomes complicated if they are put individually in the individual packaging. In addition, when a perforation is made in the above-described solidity bag, a method of making a notch using another blade portion at the same time is conceivable. The following prior art can be cited as a technique for adding such a perforation.

Patent No. 33133648 However, the above-mentioned document allows the opening of the packaging to be surely performed along the perforation, and the perforation formation that can form the perforation that does not impair the appearance of the packaging after the opening. It is intended to provide a cutting tool, not a type that adds notches at the same time.

  Then, the present inventors made it the subject to develop the technique which adds a notch simultaneously to the boundary part with respect to the above-mentioned solidity bag.

As a result of intensive research by the inventors, when the perforation is provided by the blade portion, the blade portion is configured to be a composite blade portion formed by stacking a plurality of blade portions, and at least of the composite blade portion. By using a blade portion for giving a perforation for one sheet, and at least one of the other blade portions is a blade portion for giving a notch in a direction substantially perpendicular to the perforation direction of the packaging bag, It has been found that notches can be added at the same time as the perforation is given when processing with the composite blade portion.
That is, the first invention of the present application is
“Contains predetermined contents, is wrapped in a film and heat-sealed at predetermined intervals to form a boundary portion, and a continuous perforated bag extending continuously in a strip shape, and a perforation for separation at the boundary portion of the continuous bag. A composite blade for providing a notch for opening,
1) A plurality of blade portions are stacked and integrated to constitute the composite blade portion,
2) At least one of the blade portions is a blade portion for giving a perforation, and is a blade portion having alternating notches and gaps at the tip of the blade edge,
3) At least one of the other blade portions is a blade portion having a notch portion for providing a notch in a direction substantially perpendicular to the perforation direction of the packaging bag.
Compound blade part. “It is.

Next, it is preferable that the plurality of blade portions of the composite blade portion described above can be adjusted with respect to each other in a state where they overlap each other by sliding or the like.
That is, the second invention of the present application is
“The composite blade portion according to claim 1, wherein the mutual positions of the plurality of blade portions stacked and integrated can be adjusted and integrated.”.

Next, the present invention relates to the above-described composite blade portion, a rotary blade portion that can be attached to and detached from the composite blade portion, and that can rotate around a predetermined direction, and a blade edge passive portion that passively passes the blade edge of the composite blade portion. A perforation and notch imparting device for the solidity bag, including a solidity supply unit that continuously or intermittently supplies the solidity bag, is also included.
That is, the third invention of the present application is
“1) The composite blade portion according to claim 1, wherein the composite blade portion is disposed perpendicular to the extending direction of the continuous bag extending continuously in the belt shape;
2) A rotary blade that is detachable from the composite blade and is rotatable about a predetermined direction;
3) A blade edge passive portion that is disposed at a position facing the rotary blade portion via the joint bag and passively passes a blade edge of a composite blade portion mounted on the rotary blade portion;
4) A device for providing perforations and notches to a joint bag, comprising a joint supply unit that continuously or intermittently supplies the joint bag. “It is.

Next, in the above-mentioned perforation and notch applying device, the direction in which the solid bag is supplied and sent in the horizontal direction is preferable.
That is, the fourth invention of the present application is
4. The perforation and notch applying device for the joint bag according to claim 3, wherein the joint supply section supplies the joint bag so as to extend in the horizontal direction.

Since the perforation and the notch can be added simultaneously by using the composite blade portion of the present invention, it is possible to respond quickly in the notch work.

It is the front view of the package body at the time of cutting with the front view of the joint bag of a three-way seal, and a perforation. It is a schematic diagram in the case of opening a package body from a notch. It is a schematic diagram in the case of opening another package from a notch. (A) It is a perspective view of the sewing machine blade of the first embodiment of the present invention. (B) It is the front view which looked at the sewing-machine blade of 1st embodiment of this invention from the arrow direction. (A) It is a perspective view of the notch blade of the 1st embodiment of this invention. (B) It is the front view which looked at the notch blade of 1st embodiment of this invention from the arrow direction. It is a perspective schematic diagram in the case of connecting the sewing machine blade and the notch blade of the first embodiment of the present invention integrally to form a composite blade portion. It is a perspective view of the rotary blade part provided with the composite blade part of the 1st embodiment of this invention. It is a schematic diagram of the imparting device of the perforation and notch with respect to the joint bag of the 1st embodiment of this invention.

1 Solid bag 3 Perforation 5 Notch 7 Cross seal (cross heat seal part)
9 End seal (end heat seal part)
DESCRIPTION OF SYMBOLS 11 Package 13 Sewing machine blade 15 Notch blade 17 Compound blade part 18 Screw 19 Rotating body 21 Rotating blade part 23 Guide

Hereinafter, embodiments of the present invention will be described with reference to the drawings. However, the present invention is not limited to these embodiments.
The present invention will be described below. It is not limited to the following description.

─ Solidarity bag ─
The solid bag 1 referred to in the present invention, as shown in FIG. 1 below, uses a soft packaging material as a raw material and forms a substantially flat bag body by sealing its end or turning back as necessary. A package 11 in which a predetermined packing is enclosed in a bag is taken as one unit, and the package 11 is a continuous package bag.
Usually, as for the preparation of the solid bag 1 in the horizontal direction, the solid bag 1 is a heat seal that crosses the width direction at a predetermined interval as needed by folding back one or two continuous elongated sheets. (Transverse seal 7), using this as a boundary part to form a storage part for filling material, supplying a predetermined filling material to the formed storage part, and finally heat-sealing the length direction of the upper sheet (End seal 9) is sealed to complete the solid bag.

In the solid bag 1, a predetermined filling is enclosed, but since each package 11 is a continuous body, is the heat seal part that is a boundary part of the solid bag 11 cut? Or the perforation 3 is given to the heat seal part of the said boundary part, and the process which makes it easy to isolate | separate each package as needed is performed. In particular, in the present invention, a type in which the perforation 3 is given is assumed. In addition, FIG. 1 shows a mode in which notches 5 added in the present application are also added in addition to the perforation portion.
In the type shown in FIG. 1, one continuous long and narrow sheet is folded in the width direction in the horizontal direction (two folds), and is transversely sealed 7 at a predetermined interval to form a storage portion. 3 shows a three-sided seal type in which a predetermined part is filled and then the upper part is sealed with an end seal 9. However, it is needless to say that the embodiment is not limited thereto.

In general, various materials such as polyester, polyethylene, polypropylene, nylon, and aluminum can be used as the material that can be used for the package. Generally, in order to avoid liquid leakage, etc., polyester is used. It is preferable to use a material including polyethylene, stretched nylon and the like. Usually, a structure composed of a plurality of layers is adopted in consideration of barrier properties and heat sealability. For example, various configurations such as ONY / LDPE, KONY / LDPE, PET / Al / LDPE, PET / HDPE / Al / CPP, PET / Al / CPP, and PET / VMPET / PE are listed as specific configurations.

Here, the consumer who finally uses the package will open and use the package, but when the notch 5 as shown in FIG. 1 is provided at the time of the opening, as shown in FIG. In addition, it becomes easy to open because it becomes a clue when the user opens it.
In addition, as shown in FIG. 3 in particular, in the case of a package called a double pack in which one package is further divided by a heat seal part, since it is desired to open both storage parts by opening once, the above-mentioned The usefulness of the notch is high.

─Composite blade part─
FIGS. 4-6 shows the structure of the composite blade part 17 of this invention, and the 1st embodiment of each structural member. The present invention is not limited to the first embodiment. The composite blade portion of the first aspect of the present invention is configured by overlapping a plurality of blade portions.
The composite blade portion 17 uses two types of blade portions as follows.
First, at least one of the blade portions 17 is a blade portion for giving a perforation, and a blade portion (hereinafter referred to as “sewing blade 13”, which has a notch portion and a gap portion alternately at the tip portion of the blade edge thereof. Have).
FIG. 4 shows the sewing machine blade 13 according to the first embodiment of the present invention. As shown in FIG. 4, the sewing machine blade 13 alternately has notches and gaps along the cutting edge. . As will be described later, the perforation 3 can be added to the heat seal portion of the solid bag by contacting and pressing the sewing blade 13 with the heat seal portion (transverse seal portion 7) of the package.

Next, in the present invention, at least one of the other blade portions has a notch portion (hereinafter referred to as “notch”) for providing a notch 5 substantially perpendicular to the perforation direction of the packaging bag. Blade 15 ″).
FIG. 5 shows an example of the notch blade 15 according to the first embodiment of the present invention. As shown in FIG. 5, the notch blade 15 has a notch at the tip in a direction substantially perpendicular to the blade edge. As will be described later, the notch 5 can be provided to the transverse seal portion 7 of the solid bag 1 by contacting and pressing the notch blade 15 against the heat seal portion (transverse seal portion 7) of the packaging body.

Furthermore, in the present invention, the above-described sewing blade 13 and notch blade 15 are stacked to form a composite blade portion 17 as a unit. As shown in FIG. 6, in the first embodiment of the present invention, the sewing machine blade 13 and the notch blade 15 are overlapped and integrally connected by a screw 19.
Further, the groove for fixing to the screw is provided only in the notch blade 15, and the machine blade 13 is provided with a large hole portion in the vertical direction so that the screw can be inserted and finely adjusted in the vertical direction. Yes. Since the mutual positional relationship between the sewing machine blade 13 and the notch blade 15 can be adjusted in this way, when the composite blade portion is used, the degree of pressing of each blade portion against the heat seal portion of the solid bag 1 Can be adjusted.

In this way, by forming the composite blade portion 17 in which the sewing blade 13 and the notch blade 15 are integrated, the heat seal portion of the solid bag 1 is pressed using the composite blade portion 17 as described later. Thus, the perforation 3 and the notch 5 can be applied by pressing the composite blade portion once.
In the first embodiment, the example in which the composite blade portion is formed from the two blades of the sewing blade 13 and the notch blade 15 is shown, but the present invention is not limited to the two blades. Of course, a third blade portion may be included in the middle or outside of the sewing blade 13 and the notch blade 15 as required. In addition, it is needless to say that the sewing machine blade 13 and the notch blade 15 themselves may be separated into a plurality of blade portions.

─Rotating blade with composite blade─
Next, as an example of the use of the integrated composite blade portion, FIG. 7 shows a first embodiment in which the composite blade portion 17 is mounted on the rotating body 19 and used as the rotary blade portion 21 in the production line. As shown in FIG. 7, the rotating body 19 of the rotary blade portion 21 has four composite blade portion 17 mounting portions around the circumference, of which the composite blade portion 17 is mounted at one location. . Needless to say, the number of composite blade portions 17 can be determined as appropriate. Of course, as shown in FIG.

Here, the rotation direction of the rotary blade portion 21 is preferably rotated in the direction as shown in FIG. That is, with respect to the supplied solid bag 1, the sewing blade 13 is first contacted and pressed against the transverse heat seal portion 7 as a boundary portion to give a score, and then the notch blade 15 is contacted and pressed to be scored. To be granted. Although the order can be reversed, it is difficult to adjust the blade position. From this point, it is preferable to configure in the above order.

-Perforation and notching device-
FIG. 8 shows the entire structure of the perforation and notch applying device including the rotary blade portion 21 having the composite blade portion and the supply device for the joint bag 1.
The apparatus shown in FIG. 8 includes a rotary blade portion 21 for providing the perforation 3 and the notch 5, a solid bag supply portion for supplying the solid bag 1 to the rotary blade portion 21, and a supply of the solid bag. A guide for guiding the transfer direction is provided. Further, in the rotary blade portion 21, the blade edge of the composite blade portion 17 is positioned symmetrically with the composite blade portion 17 via the solid bag 1 so that the composite blade portion 17 can press the transverse heat seal portion 7 of the solid bag 1. The blade edge passive portion 25 that passively passes is disposed rotatably. Further, the description of the configuration of the drive motor unit and the like for driving the rotary blade unit 21 is omitted.

The solid bag in the above embodiment shows a three-sided seal type, but it is of course not limited to this.
The perforation 3 and the notch 5 are added to the solid bag 1 as follows. That is, the solid bag 1 filled with the contents is sequentially supplied from the solid supply device. The solid bag 1 supplied from the solid supply device is transferred through the guide portion 23. And it reaches a rotary blade part through a plurality of guide parts 23.
In the rotary blade part, the rotary blade part 21 to which the composite blade part 17 including the sewing machine blade 13 and the notch blade 15 is attached, and the composite blade part 17 attached to the rotary blade part 21 are transverse heat seals of the joint bag 1. A rotary cutting edge passive portion 25 (backup roll) is mounted so that the portion 7 can be pressed.

The joint bag 1 that has reached the rotary blade portion 21 is in a state in which the transverse heat seal portion 7 of the joint bag 1 is pressed between the composite blade portion 17 of the rotary blade portion 21 and the blade tip passive portion 25 (backup roll), and a predetermined Perforations 3 and notches 5 are cut.
In the rotary blade portion 21, the composite blade portion 17 rotates and presses in the direction of the arrow shown in FIG. Then, the transverse heat seal part 7 is pressed and the perforation 3 is cut. Further, almost simultaneously with this, the notch blade 15 contacts and presses the notch 5 through a very small time difference. Both the perforation 3 and the notch 5 can be added by pressing the composite blade part once.

In addition, in order to adjust the timing so that the composite blade portion 17 of the rotary blade portion 21 accurately contacts the transverse seal portion 7 of the solid bag 1 and the heat seal portion is scored, The rotation speed and the supply speed of the solid bag 1 are controlled by a known control method.
In addition, in the above-described perforation 3 and notch 5 application device, after confirming that the perforation 3 and the notch 5 are correctly engraved in the heat seal portion, a camera or the like An inspection apparatus may be provided.
Of course, an additional device for printing or the like may be provided in the middle of the supply of the solid bag 1 if necessary.

Furthermore, although the case where the rotary blade part 21 was utilized was described in this embodiment as an example of use of the composite blade part 17 described above, the composite blade part 17 of the present invention is not limited to a rotary type. That is, it can be used for the method of giving a notch (perforation, notch) by pressing up and down in the vertical direction, which is a so-called knife cutting.
Moreover, in the said embodiment, although the type of supply of the horizontal direction of the joint bag 1 was shown, it is not limited to this, The type of supply to a perpendicular direction is also possible.

Claims (4)

Contained contents, wrapped in a film and heat sealed at predetermined intervals to form a boundary, and for a continuous bag extending in a strip shape, a perforation for separation and opening at the boundary of the continuous bag A composite blade for providing a notch for use,
1) A plurality of blade portions are stacked and integrated to constitute the composite blade portion,
2) At least one of the blade portions is a blade portion for giving a perforation, and is a blade portion having alternating notches and gaps at the tip of the blade edge,
3) At least one of the other blade portions is a blade portion having a notch portion for providing a notch in a direction substantially perpendicular to the perforation direction of the packaging bag.
Compound blade part.
The composite blade part according to claim 1, wherein the mutual positions of the plurality of blade parts integrated in an integrated manner can be adjusted and integrated.
1) The composite blade portion according to claim 1, wherein the composite blade portion is disposed perpendicular to the extending direction of the continuous bag extending continuously in the belt shape;
2) A rotary blade that is detachable from the composite blade and is rotatable about a predetermined direction;
3) A blade edge passive portion that is disposed at a position facing the rotary blade portion via the joint bag and passively passes a blade edge of a composite blade portion mounted on the rotary blade portion;
4) A device for providing perforations and notches to a joint bag, comprising a joint supply unit that continuously or intermittently supplies the joint bag.
  The perforation and notch imparting device for the joint bag according to claim 3, wherein the joint supply section supplies the joint bag so as to extend in a horizontal direction.

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