JP2007297102A - External packaging system - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an external packaging system capable of removing a paper container, a fallen container or an inclined container from an external packaging line in accordance with characteristics of the paper container in a fast and efficient manner. <P>SOLUTION: This external packaging system comprises a longitudinal row transfer control means 7 for temporarily stopping paper containers 1 transferred by a longitudinal row transferring means 2 in a longitudinal row state, a parallel transferring means 3 for transferring the paper containers 1 in parallel at each of three containers, a parallel row transfer control means for controlling a parallel transferring operation and a raised state monitoring means for monitoring the raised state of the paper containers. The raised state monitoring means transmits a fall signal A to the longitudinal row transfer control means 7 and the parallel transfer control means when the raised state monitoring means detects a paper container 1a in a fallen state. <P>COPYRIGHT: (C)2008,JPO&amp;INPIT

Description

The present invention relates to an outer packaging device for packaging an outer packaging such as cardboard in a paper packaging container filled with liquid food such as juice or milk.

Paper packaging containers 1 such as milk, juice, beverages such as mineral water, and liquid foods are filled in with the contents, and then, in the sorting step, are first arranged in a vertical state by the vertical conveying means 2 as shown in FIG. Are collected in a row for every fixed number, and are collected in parallel by the parallel transport means 3 in a fixed number of rows. Subsequently, it is conveyed so that it may become a package pattern of an outer package. On the other hand, the outer packaging 4 such as corrugated cardboard has a side wall raised from a planar shape and can receive the integrated paper container group 5. The paper container group 5 accumulated in the package pattern is inserted into the outer packaging cardboard 4 by the pusher 6. The last side wall is then closed and packaged. If necessary, it is further wrapped with a shrink wrapper to protect the product from moisture and dust.

When a paper packaging container is formed from a packaging material web having a thermoplastic material layer such as polyethylene on the inner and outer layers of the paper base layer and wound in a roll shape, the packaging material web is molded into a tube shape, and the packaging material Overlap the two ends to form an overlap, seal the tube vertically with the overlap, fill the tube with liquid food, and feed the tube downward by the length corresponding to one packaging container. However, it is transversely sealed in the transverse direction, the middle of the seal band of the connected pillow-shaped molded product is cut with a knife or the like, and the upper and lower flaps of the pillow-shaped molded product are bent to form a final packaging container.

FIG. 5 shows an example of the paper container 1. This paper container 1 has an external shape of a quadrangular top surface 52 and bottom surface and a body body 53 having an octagonal cross section, and a flap 54 generated during molding is bent to the side surface and bottom surface.
As can be understood from FIG. 5, there are many irregularities and steps on the surface of the container, and during conveyance, in particular, in the article sorting step, these irregularities are caught on the conveyor belt and the conveyor table, and the standing container falls over. There is a fear. In addition, the outermost layer of polyethylene or the like of the container has low slipperiness, and the standing container may fall over due to contact with the belt conveyor or the guide rail. Furthermore, several containers may be inclined obliquely as they fall over adjacent containers. The overturning container or inclined container is detected by the overturning detector and removed from the outer packaging line.

In the article distribution method and apparatus, when swinging the swing guide for regulating the conveyance direction of the article, at the same time, the guide length is changed in the direction in which the oscillation radius changes while synchronizing with the oscillation angle and the conveyance speed. Since the height is controlled to expand and contract, the apparatus can be downsized in both the width direction and the length direction. (See Patent Document 1)

Japanese Patent Laid-Open No. 2002-87586

An object of the present invention is to provide an outer packaging device that can quickly and efficiently remove a container from an outer packaging line when there is a fall container or an inclined container in accordance with the characteristics of the paper container.

An outer wrapping device that solves this problem includes a column conveyance control unit that temporarily stops paper containers conveyed in a column state by a column conveyance unit, and a parallel conveyance unit that conveys the paper containers in parallel every fixed number of pieces. A parallel transport control means for controlling the operation of parallel transport, and is an outer packaging device for stacking paper containers by corrugated cardboard boxes by accumulating paper containers in a certain number of rows and every certain number of rows,
Standing monitoring means for monitoring the standing state of the paper container moving on the column conveying means, and the standing monitoring means is in a state where the paper container is overturned (in this specification, "falling" includes the meaning of inclination) ) Is transmitted to the parallel conveyance control means and the parallel conveyance control means,
The column conveyance control means stops the paper container in the fall state immediately before the parallel conveyance means by the fall signal A from the standing monitoring means, and parallels only the paper containers in the fall state by the fall container progress signal B from the parallel conveyance control means. Proceed to the conveying means and stop the standing container again immediately before the parallel conveying means, and advance the standing paper container to the parallel conveying means by the standing container progress signal C from the parallel conveying control means,
The parallel transport control means immediately forwards the paper container row by one row by the parallel transport means and transmits the fall container progress signal B to the vertical transport control means regardless of the fixed number of one row by the fall signal A from the standing monitoring means. The paper container in the fall state is received in the empty row, and after receiving, the parallel conveyance means moves backward by one row to remove the fall container in the row of the fall container, and transmits the standing container progress signal C to the vertical conveyance control means. To do.

In a preferred aspect of the present invention, the tandem transfer control means and the parallel transfer control means are integrated transfer control means.

In a preferred aspect of the present invention, the parallel conveyance control means has a chute for removing the fall containers on the retracted side of the row for receiving the paper containers.

According to the present invention described above, the following advantageous effects can be obtained.
When the paper container is overturned, the outer packaging apparatus of the present invention notifies the information to the column conveyance control means and the parallel conveyance control means, and stops the column conveyance, while the parallel conveyance is advanced by one line and the empty space for the overturning container is provided. Prepare a column. The fall container is accommodated in the empty row and immediately retracted. For example, the fall container is dropped on a chute and removed from the outer packaging line.

In the step of removing the overturning container from the outer packaging line, since the container is a normal upright container in the row that receives the paper container, the normal upright container can be received and the normal operation can be returned to that step.
In a preferred aspect, the tandem transport control means and the parallel transport control means can be integrated transport control means. In this aspect, a signal to be transmitted to each can be handled as processing inside the transport control means.

As described above, the step of removing the overturning container and the step of receiving the normal standing container can be performed at the same time, and the outer packaging can be quickly and efficiently performed.

Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.
FIG. 1 is a partial schematic plan view of an outer packaging device according to an embodiment of the present invention.
FIG. 2 is a partial schematic side view of one form of outer packaging device according to the present invention.
FIG. 3 is a diagram showing the transport timing of one form of the outer packaging device according to the present invention.
FIG. 4 is an external view of one form of the outer packaging device according to the present invention.
FIG. 5 is an external view of an example of the packaging container used in the present invention.

The overall operation of the apparatus will be described with reference to FIG. 4 showing the overall configuration of an example of the outer packaging apparatus of this embodiment.
In the step of receiving the packaging container 1 and distributing it, the packaging container 1 is arranged and conveyed in a tandem state by a tandem conveying means 2 such as a belt conveyor, a vertical conveyor, etc. Eight pieces are collected. Subsequently, it is accumulated in a fixed number of rows in a parallel state by, for example, 4 to 8 rows by the parallel transport means 3. Furthermore, it is conveyed so that it may become a package pattern of an outer package. On the other hand, the outer packaging 4 such as corrugated cardboard has a side wall raised from its planar shape and can receive the integrated paper container group 5. The paper container group 5 accumulated in the package pattern is inserted into the outer packaging cardboard 4 by the pusher 6. The last side wall is then closed and packaged.

The steps of the outer packaging apparatus of this embodiment for distributing the packaging container 1 will be described with reference to FIG.
The outer wrapping apparatus includes a column conveyance control unit 7 that temporarily stops the paper containers 1 conveyed in a column by the column conveyance unit 2 and a parallel conveyance unit 3 that conveys the paper containers 1 in parallel every three. And parallel conveyance control means (not shown) for controlling the parallel conveyance operation.
This outer wrapping apparatus has an upright monitoring means (not shown) for monitoring the standing state of the paper container 1 moving on the vertical conveying means 2, and the vertical monitoring means detects that the paper container 1a in a fall state is detected. The overturn signal A is transmitted to the control means 7 and the parallel conveyance control means (not shown).

The column conveyance control means 7 stops the paper containers 1a in the fall state immediately before the parallel conveyance means by the fall signal A from the standing monitoring means, and the parallel conveyance control means receives one line 3 by the fall signal A from the standing monitoring means. Regardless of the number, the parallel conveyance means 3 immediately advances the paper container row by one row. FIG. 1 shows a state in which the number of advanced rows is one per row.

From the state of FIG. 1, the parallel conveyance control means transmits a fall container progress signal B to the column conveyance control means 7 and accepts the fallen paper container in the empty line. That is, the column conveyance control means 7 advances only the fallen paper container 1a to the parallel conveyance means by the fall container advance signal B from the parallel conveyance control means, and stops the standing container immediately before the parallel conveyance means.

The parallel conveyance control means has a chute 8 on the retreat side of the row that receives the paper containers, and retracts by one line by the parallel conveyance means after receiving the overturning container, and drops the overturning container in the overturning container row onto the chute 8 and removes it. The standing container progress signal C is transmitted to the column conveyance control means 7. On the other hand, the column conveyance control means 7 advances the standing paper container to the parallel conveyance means by the standing container advance signal C from the parallel conveyance control means.
FIG. 2 shows a state in which the overturning container 1a has fallen on the chute 8 and has accepted one row of standing paper containers. From this state, normal operation is possible because there is no tipping container on the line.

FIG. 3 shows the forward, stop, and backward timings of the parallel transport control means and the parallel transport control means 7. In addition, it is illustrated only for the purpose of indicating timing.
This outer packaging device notifies the information (signal A) to the column conveyance control means and the parallel conveyance control means when the paper container is overturned, and stops the column conveyance (T1), while the parallel conveyance (T2) is lined up. Proceed and prepare an empty column for the tipping container. In response to the signal B, the fall container is accommodated in the empty row, immediately retracted, dropped onto the chute, and the fall container is removed from the outer packaging line.
In this step of removing the overturning container from the outer packaging line, since the container is a normal upright container in the row that accepts the paper container, the normal upright container can be received by the signal C, and thereafter it can be returned to the normal operation.

As understood from the above example, the step of removing the overturning container and the step of receiving the normal standing container can be performed at the same time, and the outer packaging can be quickly and efficiently performed.
In addition, this invention is not limited to the said embodiment, It can change variously based on the meaning of this invention, and does not exclude them from the scope of the present invention.

The present invention can be applied to outer packaging of packaging containers filled with liquid foods such as juice and milk.

FIG. 1 is a partial schematic plan view of an outer packaging device according to an embodiment of the present invention. FIG. 2 is a partial schematic side view of one form of outer packaging device according to the present invention. FIG. 3 is a diagram showing the transport timing of one form of the outer packaging device according to the present invention. FIG. 4 is an external view of one form of the outer packaging device according to the present invention. FIG. 5 is an external view of an example of the packaging container used in the present invention.

Explanation of symbols

1 ·· Packing container 2 ·· Parallel transport means 3 ·· Parallel transport means 7 ·· Parallel transport control means

Claims (3)

A column conveyance control means for temporarily stopping the paper containers conveyed in the column state by the column conveyance means, a parallel conveyance means for conveying the paper containers in a parallel state every predetermined number, and the operation of the parallel conveyance are controlled. A parallel transport control means, an outer wrapping device for stacking paper containers in a certain number of rows and every certain number of rows and packaging the stacked paper containers in a cardboard box,
The apparatus has an upright monitoring means for monitoring an upright state of the paper container moving on the vertical conveying means, and the upright monitoring means sends a fall signal to the vertical conveyance control means and the parallel conveyance control means when the paper container is in a fallen state. Send
The tandem conveyance control means stops the fallen paper container immediately before the parallel conveyance means by the fall signal from the standing-up monitoring means, and parallels only the fallen paper containers by the fall container advance signal from the parallel conveyance control means. Proceed to the conveying means to stop the standing container immediately before the parallel conveying means, and advance the standing paper container to the parallel conveying means by the standing container advance signal from the parallel conveying control means,
The parallel transport control means immediately forwards the paper container row by one row by the parallel transport means and transmits the fall container progress signal to the vertical transport control means regardless of a fixed number of rows by the fall signal from the standing monitoring means. Then, the paper containers in the fall state are received in the empty rows, and after receiving, the parallel conveyance means is moved backward by one row to remove the fall containers in the rows of the fall containers, and the standing container progress signal is transmitted to the column conveyance control means.
An outer packaging device characterized by that. The outer packaging device according to claim 1, wherein the column conveyance control means and the parallel conveyance control means are integrated conveyance control means. The outer packaging apparatus according to claim 1, wherein the parallel conveyance control means has a chute for removing the overturned container on the retracted side of the row receiving the paper container.

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