JP2015093709A - Device for and method of producing bag-in-box - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a bag-in-box production device and method capable of markedly lessening the installation area of a facility, capable of accurately positioning a bag in a case and capable of decreasing occurrence of broken bags.SOLUTION: There is provided a device for production of a bag-in-box (14) which houses inside a paper box (13), a flexible packaging bag (10) filled with the contents. The device has a filling part (1) for filling a packaging bag with the contents, a bag conveyance part (2) for conveying the filled packaging bag to a prescribed position, and a box-shaping part (3) for shaping a paper box blank into the paper box. In the box-shaping part, a box-shaping core (4) being a core when molding the paper box sucks in and holds the filled packaging bag (10) and has a function transferring the filled bag from the prescribed position of the bag conveyance part (2) to the box-shaping part (3).

Description

  The present invention relates to an article packaging apparatus and packaging method, and more particularly to a so-called bag-in-box manufacturing apparatus and manufacturing method in which a flexible packaging bag containing a liquid or the like is stored in a cardboard case or the like.

  Bag-in-boxes that contain flexible packaging bags (flexible bags) filled with liquid or granular contents in cardboard cases, etc. are widely used mainly for commercial applications as packaging forms for storing various contents. It is used.

  As a general bag-in-box manufacturing process, a flexible bag making process for making a flexible film and attaching a stopper, a filling process for filling a flexible bag with contents, and a cardboard case making process It includes a boxing process, a bag storing process for storing a bag filled in a cardboard case, and a process for sealing and shipping the cardboard case.

  However, since each process has a difference in time required for processing, conventionally, in order to increase the production capacity of the bag-in-box, a manufacturing facility having a plurality of relatively time-consuming processes among the above processes. Therefore, there is a problem that the installation area of the equipment becomes large.

  The automatic bag storage device for a bag-in-box described in Patent Document 1 is a device that can handle two series of filling machines and a transfer conveyor with a single bag storage device. As a result, the installation area of the facility can be reduced as compared with the prior art.

JP-A-6-135405

  In the method described in Patent Document 1, a filled flexible bag conveyed by a conveyor is dropped and stored in a cardboard case that has been boxed and assembled in advance. This storing method by dropping is a widely used method.

  However, in many cases, a filled flexible bag has a large capacity and a heavy weight. Therefore, when the flexible bag is dropped into a cardboard case, the bag may occasionally be broken. Further, since the bag is dropped into the case from above, the bag may not be stored in the correct position in the case.

  Further, according to the method described in Patent Document 1, although the installation area of the facility is smaller than that of the conventional one, it still requires a considerable area.

  A problem to be solved by the present invention is a bag-in-box manufacturing apparatus capable of significantly reducing the installation area of the facility, and at the same time, making the position of the bag in the case accurate and reducing the occurrence of broken bags. A manufacturing method is proposed.

As a means for solving the above problems, the invention described in claim 1 is a bag-in-box manufacturing apparatus in which a flexible packaging bag filled with contents is stored in a paper box, and the contents are contained in the packaging bag. A filling section for filling a product, a bag transport section for transporting a filled packaging bag to a predetermined position, and a box making section for forming a paper box blank into a paper box. A box-in-box manufacturing apparatus, wherein the box-making core as a child has a function of sucking and holding the filled packaging bag and transferring it from the predetermined position of the bag transport unit to the box-making unit. .

  According to the bag-in-box manufacturing apparatus according to the present invention, the filled bag can be sucked and held by the core of the box making machine, transferred to the box making machine, and a paper box can be formed as it is. Compared with the apparatus, the equipment can be greatly simplified and the installation area can be significantly reduced.

  The invention according to claim 2 is a method for manufacturing a bag-in-box in which a flexible packaging bag filled with contents is stored in a paper box, the step of filling the contents into the packaging bag, A step of transporting the packaging bag and placing the packaging bag at a predetermined position, and the packed packaging bag placed at the predetermined position is sucked and held by a box-making core and transferred to the box-making unit A step of forming a blank of a paper box along the box-making core in the state of sucking and holding the packaging bag filled with the box-making core, and box-making the box. The bag-in-box manufacturing method is characterized by including a step of retracting and sealing the paper box containing the filled packaging bag in this order.

  According to the bag-in-box manufacturing apparatus according to the present invention, the box-making core that is the core at the time of forming the paper box in the box-making unit sucks and holds the filled bag, and manufactures it from a predetermined position of the bag transport unit. Since it has the function to transfer to a box part, a paper box is shape | molded from the outer side of a core with the transferred bag in the state fixed to the box-making core. This eliminates the need for a device for transporting a paper box formed by a box making machine and a device for dropping a bag into the transported paper box, which have been essential in the past, and the facilities have been greatly simplified. For this reason, the cost of equipment and the installation area are greatly reduced.

  Further, according to the method for manufacturing a bag-in-box according to the present invention, the filled bag is sucked and held by the box-making core and transferred to the box-making unit, so that no impact is applied to the bag. For this reason, the bag breakage hardly occurred.

  Also, since the box-making core sucks and holds the filled bags, the paper box blank is molded along the box-making core to make the box, so the bag position in the box is always maintained at the correct position. Is done.

  Furthermore, according to the method for manufacturing a bag-in-box according to the present invention, since the impact applied to the bag or the paper box is reduced as compared with the conventional case, each material can be changed to a thinner one. For this reason, it becomes possible to manufacture a bag-in-box at a lower cost.

FIG. 1 is a schematic view showing the operation of the box-making core moving device in the bag-in-box manufacturing device according to the present invention. FIG. 2 is a schematic plan view showing a configuration example of the bag-in-box manufacturing apparatus according to the present invention. FIG. 3 is a perspective view showing an outline of a method for manufacturing a bag-in-box according to the present invention. FIG. 3A is a perspective view showing a state in which the filled packaging bag is sucked and held by the box-making core. FIG.3 (b) is the perspective view which showed the state which mounts the box-forming core which attracted and held the filled packaging bag on paper box blanks. FIG.3 (c) is the perspective view which showed the state before closing the upper cover of a bag in box. FIG. 3D is a perspective view of the completed bag-in-box. FIG. 4 is an explanatory view showing the bag-in-box manufacturing method according to the present invention in the order of steps. 4A to 4D show a process of sucking and holding a filled packaging bag placed at a predetermined position by a box-making core and transferring it to a box-making unit. FIGS. 4 (e) to (f) show a process of forming a box by forming a blank of a paper box along the box-making core in a state where the box-filling core sucks and holds the filled packaging bag. It is a thing.

  Hereinafter, a bag-in-box manufacturing apparatus and a manufacturing method according to the present invention will be described in detail with reference to the drawings.

  The bag-in-box manufacturing apparatus according to the present invention is a manufacturing apparatus for a bag-in-box (14) in which a flexible packaging bag (10) filled with contents is stored in a paper box (13). As shown in FIG. 2, the bag-in-box manufacturing apparatus according to the present invention includes a filling unit (1) for filling a packaging bag with contents, and a bag for transporting a filled packaging bag (10) to a predetermined position. It has a conveyance part (2) and the box making part (3) which shape | molds the blank (12) of a paper box in a paper box.

  In the bag-in-box manufacturing apparatus according to the present invention, as shown in FIG. 1, the box-making core (4), which is the core at the time of forming the paper box in the box-making part (3), has a filled packaging bag (10). Is sucked and held, and has a function of transferring it from a predetermined position of the bag transport section (2) to the box making section (3).

  As schematically shown in FIG. 1, the box-making core (4) is held by a plunger (7) having a parallel movement guide rod mechanism and can move up and down, and also in the horizontal direction. It is movable and further comprises a suction device (6).

  In FIG. 1, the suction device (6) is composed of a degassing hose and a perforated plate. A suction cup may be used instead of the perforated plate. Thereby, the filled packaging bag (10) can be sucked and held and transferred from the predetermined position of the bag transport section (2) to the box making section (3).

  In the box-making part (3), in this example, the paper box blank (12) is positioned and placed on the mold, and the filled packaging bag (10) is held from above. The paper box (13) can be molded at a stroke by lowering the box core (4).

  FIG. 2 is a schematic plan view showing a configuration example of the bag-in-box manufacturing apparatus according to the present invention. In this example, in the filling section (1), the packaging bag (flexible bag) (10) filled with the contents is transported to a predetermined position by the bag transport section (2), while the paper box blank (12) is It is conveyed in parallel and supplied to the box making unit (3).

In the box making part (3), the box making core (4), which is the core when forming the paper box, is moved between the predetermined position of the bag transport part and the box making part by the box making core moving device (5). It can be moved while holding the filled packaging bag (10). That is, the box-making core also serves as a transfer facility for the filled packaging bag, and therefore, a conventionally required conveyor device, dropping device, and the like are no longer required. As described above, the simplified configuration of the apparatus reduces the required area of the entire apparatus, reduces the installation area, and reduces the cost of the apparatus.

FIG. 3 is a perspective view showing an outline of a method for manufacturing a bag-in-box according to the present invention.
Fig.3 (a) is the perspective view which showed the state which adsorbs and hold | maintains the filled packaging bag (10) with a box-making core (4) in a bag conveyance part (2). Normally, the plug (11) is attached to the packaging bag. However, since the packaging bag is flexible, even if it is vacuum-adsorbed from above, the plug is naturally buried in the main body, which may hinder the adsorption. Absent.

  The box-making core (4) holding the filled packaging bag (10) moves from the bag transport section (2) to the box-making section (3).

  FIG. 3B shows a state in which the box-making core (4) holding the filled packaging bag (10) is held on the bottom plate of the paper box blanks (12) in the box-making unit (3). FIG.

  In the box-making part (3), the paper box (13) is assembled by a normal method using the box-making core (4) as a core while holding the filled packaging bag.

  FIG.3 (c) is the perspective view which showed the state before closing the upper cover of a bag in box. FIG. 3D is a perspective view of the completed bag-in-box (14).

  FIG. 4 is an explanatory view showing the bag-in-box manufacturing method according to the present invention in the order of steps. 4 (a) to 4 (d) show a process of sucking and holding the filled packaging bag (10) placed at a predetermined position by a box-making core and transferring it to the box-making section (3). It is a thing. 4 (e) to 4 (f) show that a blank for a paper box is molded along the box-making core in a state where the box-making core (4) sucks and holds the filled packaging bag (10). The process of making a box is shown.

  First, as shown in FIG. 4A, the box-making core (4) descends from above the filled packaging bag (10) stopped at a predetermined position.

  Next, as shown in FIG. 4 (b), the adsorption device (6) is operated to adsorb and lift the filled packaging bag (10). Subsequently, as shown in FIG.4 (c), it moves to a box making part (3).

  In FIG. 4 (d), the box-making core (4) descends from above the paper box blank (12) placed on the mold while holding the filled packaging bag. ), The side plate of the paper box is pulled up at once, and box making is performed.

  As shown in FIG. 4 (f), the box-making core (4) is retracted, the remaining box-making operation is performed, box-making is completed, and the intended bag-in-box (14) is obtained.

  As described above, according to the bag-in-box manufacturing apparatus and the manufacturing method according to the present invention, facilities are simplified, and not only a small installation area is required, but also damage to the packaging bag is reduced. Is less likely to occur and displacement of the packaging bag is less likely to occur.

DESCRIPTION OF SYMBOLS 1 ... Filling part 2 ... Bag conveyance part 3 ... Box making part 4 ... Box making core 5 ... Box making core moving device 6 ... Suction device 7 ... Plunger 10: Filled packaging bag 11: Plug 12 ... Paper box blank 13 ... Paper box 14 ... Bag in box

Claims (2)

A bag-in-box manufacturing apparatus that stores a flexible packaging bag filled with contents inside a paper box,
A filling section for filling the packaging bag with the contents;
A bag transport unit for transporting the filled packaging bag to a predetermined position;
And having a box making part for forming a blank of a paper box into a paper box,
A box-making core that serves as a core when forming a paper box in the box-making unit has a function of sucking and holding the filled packaging bag and transferring it from the predetermined position of the bag transport unit to the box-making unit. Bag-in-box manufacturing equipment. A method for manufacturing a bag-in-box in which a flexible packaging bag filled with contents is stored inside a paper box,
Filling the packaging bag with the contents;
Transporting the filled packaging bag and placing it in a predetermined position;
A step of sucking and holding the filled packaging bag placed at the predetermined position by a box-making core and transferring it to the box-making unit;
In the state of sucking and holding the packaging bag filled with the box-making core, forming a blank of a paper box along the box-making core, and making a box;
A method for manufacturing a bag-in-box, comprising the steps of retracting the box-making core and sealing a paper box containing the filled packaging bag in this order.

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