JP2005239186A - Packaging apparatus - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To automate and raise the speed of a packaging operation of an object (S) to be packaged without damaging the appearance of a package (P) in a packaging apparatus for making a packaging material (5) into a bag and bagging the object (S) simultaneously. <P>SOLUTION: After a long sheet (1) being carried is folded widthwise and a long hole (3) is formed at its upper end, a front sheet part (11) and a rear sheet part (12) are pressurized with heat applied, and fusion-cut longitudinally from the long hole (3) to the lower end to form a continuum of bags (14) coupled via a strip coupling (15). The upper end of the bag (14) is opened to fill the object (S) to be packaged, and the upper end of the bag (14) is closed to form the package (P) finished in bagging. Thereafter, the continuum of the packages (P) coupled by the strip coupling (15) are separated. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

  The present invention relates to a packaging device for simultaneously making a bag of a packaging material and packing a packaged item.

As a packaging device for simultaneously making a bag of a packaging material and bagging an article to be packaged, a packaging device used for packaging a writing instrument such as a ballpoint pen as shown in FIG. 6 is known.
In this example, a writing instrument (S), which is an object to be packaged, is inserted and sandwiched one by one between a top sheet (11) and a back sheet (12) that are sequentially fed from film rolls arranged vertically. Then, while moving in the conveying direction, both sides of the top sheet (11) and the back sheet (12) are welded together with cutting by a fusing seal device (55) having a pair of heating blades (61). Next, the upper and lower sides of the writing instrument (S) are welded together with cutting by a rotary fusing seal device (56) in which a heating blade (62) is attached to the outer peripheral surface of the roller (63). . Thereby, a package (P) in which the writing instrument (S) is packed in a rectangular package material (5) in a four-side sealed state can be obtained.
As described above, according to the packaging device for simultaneously packaging the packaging material (5) and the writing instrument (S), the writing instrument (S) is manually added to the packaging material (13) produced in a separate process. ) Can be packaged one by one, and the writing instrument (S) can be packaged quickly and easily.
JP 2003-118769 A

  However, in the packaging apparatus, after sandwiching the writing instrument (S) between the top sheet portion (11) and the back sheet portion (12), the four sides of the writing instrument (S) are welded to form a packaging material ( Since 5) is made, the surface sheet portion (11) deformed by the insertion of the writing instrument (S) is welded in a deformed state. Therefore, wrinkles and distortion occur in the package material (5) of the completed package (P), than when the writing instrument (S) is packaged in the package material (5) bag-made in a separate process later. Also, the appearance of the package (P) is inferior.

  Further, it is necessary to set a welding allowance (200) on both sides of the topsheet (11) and the backsheet (12) so that the topsheet (11) can be surely welded even if it is deformed. There is also a problem that the disposal rate of the top sheet part (11) and the back sheet part (12), which are materials, is high compared to the case where the package material (5) is made in a separate process.

  The present invention has been made in view of the above circumstances, and in the packaging device that simultaneously performs the bag making of the package material (5) and the bagging of the article to be packaged (S), the package (P) that is a finished package product It is an object of the present invention to be able to automate and speed up the packaging operation of the article to be packaged (S) without impairing the appearance.

(1) The packaging device according to the first aspect of the present invention is “by folding the long sheet conveyed in the longitudinal direction in the width direction, the top sheet portion and the back sheet portion connected at the lower side overlap each other. Folding station,
A hole forming station that forms long holes at a predetermined pitch along the conveying direction of the long sheet at the upper end of the top sheet portion and the back sheet portion that overlap,
By heating and pressing the top sheet portion and the back sheet portion, the long hole to the lower end are divided along the vertical direction and welded, and are connected in the transport direction by a belt-like connecting portion on the upper side of the long hole. A bag making station forming a bag portion;
An opening station that opens the upper end of the bag portion by separating the strip-shaped connecting portions from each other on the downstream side of the bag making station;
A filling station that fills the bag portion that is opened at the opening station with an article to be packaged, and
By welding the lower side of the long hole of the bag portion along the conveying direction on the downstream side of the filling station, the upper end of the bag portion is closed to form a package body in which the bagging of the package is completed. And a final sealing station to
And a separation station that separates the packages connected in the transport direction by the belt-shaped connecting portion by cutting between the long holes of the bag portion along the transport direction.
Here, as a method of dividing and welding by heating and clamping in the bag making station, a method of simultaneously performing thermal welding and cutting such as impulse seal, ultrasonic seal, hot plate seal, etc. in addition to the fusing seal is adopted. You can also. Further, the filling of the article to be packaged at the filling station may be performed manually, or may be performed by a machine such as an automatic feeder or a robot.

  According to the above technical means, after folding the long sheet, which is the material of the package material, in the folding station so that the top sheet portion and the back sheet portion overlap each other, the hole forming station is provided with the upper end portions of the front and back sheet portions. Elongated long holes are formed at a predetermined pitch in the transport direction. Next, the top sheet portion and the back sheet portion are heated and pressed at the bag portion forming station to sever and weld from the long hole to the lower end in the vertical direction. Thereby, although it is mutually independent in the lower side of the said long hole, the bag part connected by the said strip | belt-shaped connection part above the said long hole is formed along a conveyance direction.

Next, when the belt-like connecting portions are separated from each other while being conveyed in the opening station, the upper ends of the bag portions are sequentially opened by being pulled by the belt-like connecting portions, and the packaged material can be filled. After filling the bag part with the object to be packaged in the filling station, the package body in which the object to be packaged is packed by welding the lower side of the long hole of the bag part along the conveying direction in the final sealing station. Is formed.
Finally, in the separation station, the package is packed in the package material by cutting the long holes along the conveying direction and separating the packages connected by the band-shaped connecting portion. Is obtained.

As described above, in the present invention, after the top sheet portion and the back sheet portion are overlapped to form a bag portion, the bag portion is filled with an object to be packaged. It is possible to prevent wrinkles and distortion of the package material that occurs when the top sheet portion and the back sheet portion are welded with an object inserted.
Further, since the bag portion is formed in one step by welding at the bag portion forming station at the same time as the division, the structure of the apparatus is simple with few steps.
Furthermore, by forming the long hole at the upper end position of the longitudinal division and fusing before the formation of the bag portion, distortion and deformation of the bag portion that occurs when welding without the long hole being formed. Can be prevented.

(2) The packaging device of the invention according to claim 2 is such that “the long sheet conveyed in the longitudinal direction is folded in the width direction so that the top sheet part and the back sheet part connected at the lower side overlap each other. Folding station,
A hole forming station that forms long holes at a predetermined pitch along the conveying direction of the long sheet at the upper end of the top sheet portion and the back sheet portion that overlap,
By heating and pressing the top sheet portion and the back sheet portion, the long hole to the lower end are divided along the vertical direction and welded, and are connected in the transport direction by a belt-like connecting portion on the upper side of the long hole. A bag making station forming a bag portion;
An opening station that opens the upper end of the bag portion by separating the strip-shaped connecting portions from each other on the downstream side of the bag making station;
A filling station that fills the bag portion that is opened at the opening station with an article to be packaged, and
By separating and welding the lower side of the long hole of the bag part along the conveying direction by heating and clamping on the downstream side of the filling station, the separation of the bag part connected by the belt-like connecting part and the And a final sealing station that simultaneously closes the upper end of the bag portion and forms individual packages in which the packaging of the packaged goods is completed ”.
Here, as a method of dividing and welding by heating and clamping at the final sealing station, a method of simultaneously performing thermal welding and cutting such as impulse seal, ultrasonic seal, hot plate seal, etc. in addition to the fusion seal is adopted. You can also.

The technical means has the same configuration as that of the first aspect up to the filling station for filling the bag portion with the article to be packaged, and only the configuration of the final sealing station located on the downstream side of the filling station is different. ing.
According to the above technical means, after filling the bag portion with the package in the filling station, the lower side of the long hole of the bag portion is divided along the transport direction and welded at the final sealing station, The package connected by the belt-shaped connecting portion is separated, and the upper end of the bag portion is closed to obtain a package in which an object to be packaged is packed in the package material.

Since it is the above structures, wrinkles and distortion of the package material can be prevented by filling the packaged material after the formation of the bag portion, as in the first aspect. In addition, it is possible to prevent the bag portion from being distorted or deformed by forming the elongated hole before the bag portion is formed.
Further, in the present invention, as in the case of the bag portion forming station, the upper end of the bag portion is welded at the same time as the division at the final sealing station, whereby individual packing of the packaged items is completed in one step. Since the package can be obtained, the number of work steps is small and the structure of the apparatus is simple.

(3) The packaging device of the invention according to claim 3 is: “by welding the position of a predetermined height from the lower end of the overlapping top sheet part and back sheet part along the transport direction, Having an intermediate seal station that forms an intermediate seal portion that divides the accommodation portion for accommodating the article to be packaged and a suspension portion for suspending the package body;
The hanging portion is formed with a hook hole for suspending the packaging body on the display hook ”.
According to this, the said package becomes a structure divided | segmented into the accommodating part which accommodates the said to-be-packaged object by the said intermediate seal part, and the suspending part for suspending the said package to the hook for display. Thereby, the said package can be hung on the display hook generally used in the shop front. Since it is divided by the intermediate seal part, it is possible to prevent the article to be packaged accommodated in the accommodating part from entering the hanging part.
Moreover, since the overlapping state of the top sheet portion and the back sheet portion is stabilized by forming the intermediate seal portion, the top sheet portion and the back sheet can be obtained by incorporating the intermediate seal station into an initial process of the packaging device. Misalignment of the part can be prevented.

(4) The packaging device of the invention according to claim 4 is characterized in that "the hole forming station forms an incision for opening extending downward from the long hole together with the long hole".
Here, the cut is formed at a position different from a position where the cut and welded in the longitudinal direction in the bag portion forming station.
According to this, since the incision for opening is formed in the upper end edge of the said package, the said package material can be cleaved along the said notch, and the said package can be opened easily.

Further, since the notch is formed at the same time as the elongated hole at the hole forming station, it is not necessary to provide a separate process for forming the notch for opening.
In the case where the package body is continuously formed in the conveying direction as in the conventional example, it is common to form a cut perpendicular to the seal portion which is a connecting portion of each package body. According to this, since the cut for opening is formed in both the upper end edge and lower end edge of the said package, the external appearance of the said package is not good. On the other hand, according to the present invention, since the cut is formed only at the upper edge of each package, the appearance of the package is good.

According to the first aspect of the present invention, filling the packaged material after forming the bag portion of the package material prevents the surface of the package material from being wrinkled or distorted. By forming the long hole before forming, distortion and deformation of the bag portion are also prevented, so that it is as beautiful as a packaged material made in a separate process by hand. A package with an appearance can be obtained.
In addition, by forming the bag portion by simultaneously welding the top sheet portion and the back sheet portion along the longitudinal direction, the number of work steps is small, and the structure of the apparatus is simple. Work time can be shortened and space can be saved.

  As described above, according to the packaging device of the present invention, it is possible to automate and speed up the packaging operation of the packaged article without impairing the appearance of the package that is a packaged finished product. Furthermore, the packaging device of the present invention does not require adjustment of the pitch of the fusing and sealing device or the like in accordance with the change of the size of the packaged article or package, and the adjustment operation is small. Therefore, the size changing operation is simple.

According to the invention of claim 2, as in the case of claim 1 described above, it is possible to automate and speed up the packaging operation of the packaged goods without impairing the appearance of the package that is a finished package. In addition, it is easy to change the size of an article or package.
Further, the upper end of the bag portion is welded simultaneously with the division at the final sealing station to form the individual packaging bodies, so that the structure of the apparatus becomes simpler. Shortened. Thereby, while being able to speed up the packaging operation | work of the said to-be-packaged item, further space saving can be achieved.

  According to the invention which concerns on Claim 3, by forming a suspension part in the lower side of an accommodating part by formation of an intermediate | middle seal part, a packaging body can be suspended from a display hook and can be displayed effectively. Moreover, since the said accommodating part and the suspension part are divided | segmented by the said intermediate seal part, a to-be-packaged object enters the said suspension part at the time of distribution | circulation, etc., and does not become a hindrance to the display of the said package.

  According to the invention which concerns on Claim 4, since the process of forming the said notch can be skipped by simultaneously forming the notch for opening with the said long hole, size reduction of a packaging apparatus and speeding up of a packaging operation can be aimed at. it can. Moreover, the external appearance of the said package is excellent compared with what the said package is continuously formed in series.

Embodiments of the present invention will be described below with reference to the accompanying drawings.
<Embodiment 1>
As an example of a packaging device according to an embodiment of the present invention, a main part of a packaging device (7) for individually packaging a writing instrument (S) such as a ballpoint pen on a film packaging material (5) is shown in FIG. .
In this example, the long sheet (1) fed out from the film roll (10) is folded in the width direction in a folding station (70), and the half-folded front sheet portion of the long sheet (1) ( 11) and an intermediate seal station (71) for forming an intermediate seal portion (21) at a predetermined height position of the backsheet portion (12), and upper end portions of the topsheet portion (11) and the backsheet portion (12) A hole forming station (72) for forming a long hole (3), and a bag making station (14) for fusing the top sheet portion (11) and the back sheet portion (12) in the longitudinal direction to form a bag portion (14). 73), an opening station (74) that opens the bag portion (14) by separating the band-shaped connecting portion (15) that connects the bag portion (14), and the bag portion (14) to be packaged A filling station (75) for filling a writing instrument (S), a final sealing station (76) for closing the upper end of the bag part (14) to form a package (P) of the writing instrument (S), Serial band-shaped connecting portion (15) detach the concatenated package (P) by separation station and (77), but has a successively disposed configuration from the upstream side.
The long sheet (1) is an OPP (stretched polypropylene) single-layer film sheet, and various rollers (91), (92), (93), (94) disposed at various locations in the transport direction of the packaging device (7). ) Is intermittently conveyed in units of the width dimension of the package (P) which is a finished package.

[Folding station (70)]
The folding station (70) includes a delta guide (90) for guiding the long sheet (1) so as to be gradually half-folded while conveying the long sheet (1), and the long sheet fed from the film roller (10). A guide roller (91) for guiding the sheet (1) to the delta guide (90), and the top sheet portion of the long sheet (1) disposed adjacent to a vertex that is the downstream end of the delta guide (90) (11) and a back surface sheet part (12) are comprised from a pair of palm-rolling roller (92) which superimposes in a palm-split state. The delta guide (90) is an isosceles triangular flat plate, and is arranged in an inclined state in the transport direction so that the apex portion is lowered.
Thereby, the long sheet (1) is folded in a state where the top sheet part (11) and the back sheet part (12) connected at the lower side are closely overlapped.

[Intermediate seal station (71)]
The intermediate seal station (71) is welded at a predetermined height position from the lower ends of the top sheet portion (11) and the back sheet portion (12), so that the top sheet portion (11) and the back sheet portion (12 And an ultrasonic seal device (51) for forming an intermediate seal portion (21) separating the upper and lower portions along the conveying direction.
As a result of the formation of the intermediate seal portion (21), the top sheet portion (11) and the back sheet portion (12) are formed at the bag portion forming station (73) to be described later, as shown in FIG. 2 (a). (S) is divided into an upper part serving as a housing part (13) and a lower part serving as a hanging part (4) for hanging the package (P).

[Hall Formation Station (72)]
The hole forming station (72) includes the elongated holes (3) at the upper end portions of the top sheet portion (11) and the back sheet portion (12), and the suspension formed at the bag portion forming station (73) described later. A punching device (52) for simultaneously forming the central hook hole (40) of the portion (4) is provided. As shown in FIG. 1, the punching device (52) includes a male die (520) and a female die (521) for punching the top sheet portion (11) and the back sheet portion (12) from the front and back sides. It is made up of.
As a result, as shown in FIG. 2B, the long holes (3) and the hook holes (40) are formed at a predetermined pitch along the transport direction. A V-shaped cut (30) for opening the package (P) together with the long hole (3) is formed at the lower end edge on the upstream side of the long hole (3).

[Bag making station (73)]
The bag making station (73) severes the top sheet part (11) and the back sheet part (12) by heating and pressing, thereby dividing the elongated hole (3) from the center to the lower end in the vertical direction and at the same time. A fusing seal device (53) is provided for forming the side seal portion (20) by welding the top sheet portion (11) and the back sheet portion (12). Although the fusing sealing device (53) is not shown here, a tapered heating blade is disposed on one of the top sheet portion (11) and the back surface sheet portion (12), and a receptor for receiving the heating blade is provided on the other side. It is an arranged configuration. When cutting the top sheet portion (11) and the back sheet portion (12) by pressing the heating blade, the top sheet portion (11) and the back sheet portion (12) are melted by the heat of the heating blade. By fusing together, the top sheet portion (11) and the back sheet portion (12) are welded simultaneously with the division.

  By sealing the top sheet portion (11) and the back sheet portion (12) in a longitudinal direction at a predetermined pitch, as shown in FIG. A bag portion (14) is formed which includes a storage portion (13) for storing the writing instrument (S) and a suspension portion (4) for suspending the package (P). The bag portions (14) are connected to each other in the transport direction by a strip-like connection portion (15) on the upper side of the long hole (3).

[Opening station (74) and filling station (75)]
As shown in FIGS. 1 and 4, the opening station (74) is inserted between the top sheet portion (11) and the back sheet portion (12) and separates the belt-like connecting portion (15) from each other. A pair of guide rails (81) and a sheet support conveyor (8) that travels in the conveying direction while supporting the belt-like connecting portion (15) separated by the guide rails (81).
The guide rail (81) is configured to gather at the upstream end and the downstream end in the transport direction and are separated from each other by a width that allows the writing instrument (S), which is an article to be packaged, to be inserted in the central region. A narrow groove (82) through which a support pin (83) of a conveyor belt (84), which will be described later, escapes is formed on the outer surface with which the connecting portion (15) contacts.

  The sheet support conveyor (8) is a conveyor belt (84) disposed so as to be able to travel along a strip-shaped connecting portion (15) formed at the upper end of the top sheet portion (11) and the back sheet portion (12). A pair of driven rollers (85) disposed near the upstream end of the guide rail (81), a driving roller (86) disposed at the downstream end of the packaging device, and a downstream of the guide rail (81) It is comprised from a pair of guide roller (94) for making the said conveyor belt (84) adjoin at an end.

  As shown in FIG. 4, the conveyor belt (84) is wound between the driven roller (85) and the driving roller (86), and is rotated by the driving of the driving roller (86). . Further, on the outer surface of the conveyor belt (84), a large number of support pins (83) penetrating the belt-like connecting portions (15) of the top sheet portion (11) and the back sheet portion (12) are planted. The support pin (83) penetrating the belt-like connecting portion (15) is accommodated in the narrow groove (83) of the guide rail (81).

  Thus, the long sheet (1) conveyed to the upstream end of the guide rail (81) is held by the support pin (83) pierced by the belt-like connecting portion (15), and the conveyor belt (84 ) Along with the outer surface of the guide rail (81). When the belt-like connecting part (15) of the top sheet part (11) and the back sheet part (12) is separated from each other by the guide rail (81), as shown in FIG. 4, the belt-like connecting part (15) The upper end of the bag part (14) formed on the lower side of the long hole (13) is opened in order.

In the filling station (75), an operator who fills the bag part (14) with the writing instrument (S) is arranged, and the writing instrument is opened from above to the bag part (14) opened by the guide rail (81). (S) is inserted one by one.
Since the bag portion (14) is held by the support pin (83) pierced by the belt-like connecting portion (15) and the narrow groove (82) for accommodating the support pin (83), The bag part (14) does not fall off the guide rail (81) due to the weight of the writing instrument (S).

[Final seal station (76)]
The final sealing station (76) includes a sealing device (54) including a pair of heat blocks (540) for heating and pressing the top sheet portion (11) and the back sheet portion (12) below the elongated hole (3). )have.
Thereby, a top seal part (22) is formed at the upper end of the bag part (14), and the packaging body (P) in which the writing instrument (S) is enclosed in a package material (5) in a four-sided seal state is completed. The Here, the packaging bodies (P) adjacent to each other in the transport direction are connected to each other by a strip-like connection portion (15) on the upper side of the top seal portion (22).

[Separation station (77)]
The separation station (77) includes a pair of rotary blades (6) for cutting the long holes (3) between the bag portions (14) along the conveying direction, and a rotary shaft (6) of the rotary blade (6). 60) and a transmission belt (V) wound around the drive shaft (87) of the drive roller (86) of the sheet support conveyor (8), and a package body separated by the rotary blade (6) ( A discharge roller (not shown) is provided for discharging P) from the packaging device (7). A transmission belt is wound around the discharge roller so as to rotate synchronously with the drive shaft (87).

  As a result, as shown in FIG. 2 (d), the package (P) connected by the belt-like connecting portion (15) on the upper side of the long hole (3) is separated, and the rectangular package material (5) is separated. A package (P) in which the writing instrument (S) is packaged is obtained. Further, by cutting the long holes (3), the lower end edge of the long hole (3) becomes the upper end edge of the package material (5). Therefore, as shown in FIG. An opening cut (30) is formed at the upper edge of (5).

  As described above, since the packaging device (7) of this example is configured to fill the writing implement (S), which is an article to be packaged, after forming the bag portion (14), the completed packaging body (P) Wrinkles and distortion are prevented from occurring in the package material (5). Further, by forming the elongated hole (3) before forming the bag portion (14), distortion and deformation of the bag portion (14) are prevented. As a result, it is possible to obtain a package (P) having a beautiful appearance that is not inferior to a product that is completed by manually packing the writing instrument (S) into a package material (5) that has been made in a separate process.

Further, since the bag portion (14) is formed by the fusing and sealing device (53), the number of work steps is small, the structure of the device is simple, and the work time can be greatly shortened.
Thus, according to the packaging device (7) of this example, it is possible to automate and speed up the packaging operation of the writing instrument (S) without impairing the appearance of the package (P) that is a finished package product. it can.
Also, with changes in the size and specifications of the writing instrument (S) and package (P), it is necessary to adjust the pitch of the fusing seal device (55) (56), roller cutter (61), etc. as in the conventional example Since there is no adjustment work and there is little adjustment work, the size change work is simple.

  In this example, an intermediate seal portion (21) is formed below the top sheet portion (11) and the back sheet portion (12), so that a hanging portion (4) is formed below the bag portion (14). Since it is formed, the package (P) can be effectively displayed by being hung on a display hook widely used in a convenience store or the like. Further, since the storage portion (13) and the hanging portion (4) are separated by the intermediate seal portion (21), the writing instrument (S) enters the hanging portion (4) and the package ( P) will not interfere with the display.

Further, since the opening (30) for opening the package (3) is formed simultaneously with the elongated hole (3), it is possible to reduce the size of the packaging device (7) and speed up the packaging operation. it can. Further, since the opening cut (30) is punched and formed in a V shape, the appearance is superior to the linear cut (30) often found in the conventional package (P). The customer can easily find the opening cut (30).
Further, in this example, since the intermediate seal part (21) is formed in the initial step, the superposition state of the top sheet part (11) and the back sheet part (12) is stabilized, so that it is being conveyed. Misalignment between the top sheet portion (11) and the back sheet portion (12) is prevented.

<Embodiment 2>
FIG. 5 shows a packaging device that simultaneously forms the top seal portion (22) of the bag portion (14) and separates the bag portion (14) connected in the transport direction by the belt-like connecting portion (15). The process of forming the package (P) according to (7) is shown.
The packaging device (7) used for forming the packaging body (P) in this example is not shown here, but as in the first embodiment, a writing instrument (S) such as a ballpoint pen is used as a film packaging material ( 5) A packaging device (7) for individual packaging, from the upstream side folding station (70), intermediate seal station (71), hole forming station (72), bag making station (73), opening station (74 ), A filling station (75), and a final seal station (76) are sequentially arranged. Each station has the same configuration as that of the first embodiment except for the final seal station (76) and the separation station (77).

Since it is the above structure, the said package (P) is formed as follows.
After the top sheet portion (11) and the back surface sheet portion (12) are folded in a closely overlapping state at the folding station (70), as shown in FIG. 5 (a), the intermediate seal station (71 ) Is divided into an upper part to be the housing part (13) and a lower part to be the hanging part (4). Thereafter, in the hole forming station (72), as shown in FIG. 5 (b), the long holes (3) and the hook holes (40) are formed at a predetermined pitch along the transport direction. In the example described above, the V-shaped opening cut (30) is formed together with the elongated hole (3). However, in this example, only the oblong elongated hole (3) is formed.

  In the bag making station (73), as shown in FIG. 5 (c), the top sheet portion (11) and the back sheet portion (12) are fused and sealed in a vertical direction at a predetermined pitch, thereby forming the belt-like shape. The said bag part (14) connected in the conveyance direction by the connection part (15) is formed. Next, the writing instrument (S) is inserted into the bag portion (14) sequentially opened along the transport direction at the opening station (74) by an operator disposed at the filling station.

  The final sealing station (76) heats and presses the top sheet portion (11) and the back sheet portion (12), thereby connecting the bag portion (14) and the belt-like connecting portion (15) to the long hole (3 ) At the lower edge of the sheet, and at the same time, the top sheet portion (11) and the back sheet portion (12) are welded to form a top seal portion (22). Not). The fusing and sealing device is composed of a tapered heating blade and a receiver for receiving the heating blade, similarly to the fusing and sealing device (53) of the first embodiment. Therefore, the top sheet portion (11) and the back sheet portion (12) at the upper end of the bag portion (14) are welded at the same time as being separated from the belt-like connecting portion (15).

As a result, as shown in FIG. 5 (d), the bag portion (14) connected by the belt-like connecting portion (15) is separated and a top seal portion (22) is formed at the upper end of the bag portion (14). Therefore, the package (P) in which the writing instrument (S) is enclosed in the package material (5) in a four-sided sealed state is completed.
As described above, in this example, the writing instrument (S) can be obtained without impairing the appearance of the package (P), which is a finished package, as in the packaging device (7) of the first embodiment. The packaging operation can be automated and speeded up, and the size and specifications of the writing instrument (S) and package (P) can be easily changed.

  Further, since the upper end of the bag portion (14) is fused and sealed at the final sealing station (76), the packaging body (P) is provided downstream of the final sealing station (76) as in the first embodiment. It is not necessary to provide the separation station (77) for separating the belt-like connecting portion (15). Thereby, the structure of the packaging device (7) becomes simpler, and the work time required for forming the package (P) is also shortened. Therefore, the packaging work of the writing instrument (S) can be speeded up, and further space saving can be achieved.

<Others>
The packaging device of the present invention is not limited to the above-described embodiment.
In the example described above, the side seal part (20), the intermediate seal part (21), and the top seal part (22) are all welded over the entire length of the seal part, but from the package material (5) What is necessary is just to be welded to such an extent that the writing instrument (S) can be prevented from falling off or entering the hanging part (4), for example, a part seal or formed from a plurality of welding points or welding lines. It may be.

  In the above-described example, the long sheet (1) constituting the package material (5) is a single-layer sheet of an OPP film. Similarly, CPP (unstretched polypropylene) which is a single-layer sheet is used. It may be a multilayer sheet such as a laminate sheet in which a sealant layer is laminated on the inner surface when folded.

  In the above-described example, the writing instrument (S) such as a ballpoint pen is packaged one by one in the package material (5), but the same package material (5) is filled with a plurality of packages. May be. In addition, the article to be packaged is not limited to the writing instrument (S), but includes air-tightness and water-tightness such as a mechanical pencil replacement, a stationery such as an eraser, cosmetics, accessories, confectionery / foods, handicrafts, etc. It can be widely used for the packaging of articles that do not require.

  In the above-described example, the bag part (14) is divided into a housing part (13) and a hanging part (4), but even if the hanging part (4) is not formed, The bag part (14) may be divided into a plurality of accommodating parts (13). Further, the shape of the bag portion (14) and the package material (5) is not limited to the rectangle as in the above example, and the side seal portion (20) of the bag portion (14) is a corrugated shape. Alternatively, the corner portion of the package material (5) may have an arc shape.

  Further, another member such as a film or a mount may be inserted into the hanging portion (4). With such a configuration, the packaging sheet (5) has a high display effect due to the long sheet (1), which is the material of the packaging material (5), and the cost of printing, but with a highly decorative separate film. In addition, the wrapping body (P) having a large weight can be suspended by the reinforcing film.

  In the first embodiment, the opening cut (30) is formed at the hole forming station (72) at the same time so as to communicate with the elongated hole (3). However, the elongated hole (3) It may be formed separately. Further, as in the second embodiment, the opening cut (30) may not be formed.

  In the above-described example, the writing instrument (S) is manually filled into the bag portion (14), but by placing an automatic supply device such as a robot, the packaged object (S) can be packaged. It can also be fully automated. According to this, it is possible to simplify and speed up the packaging operation of the article to be packaged (S).

It is a perspective view which shows the outline of the packaging apparatus (7) which concerns on Embodiment 1 of this invention. It is explanatory drawing which shows the formation process of a package (P). It is a front view which shows a package (P). It is sectional drawing which shows an opening station and a filling station. It is explanatory drawing which shows the formation process of the package (P) which concerns on Embodiment 2 of this invention. It is explanatory drawing of the conventional packaging apparatus.

Explanation of symbols

(1) Long sheet
(11) Top sheet
(12) Back sheet
(13) Containment section
(14) Bag
(15) Band connection
(20) Side seal
(21) Intermediate seal
(3) Long hole
(30) Cutting for opening
(4) Hanging part
(40) Hook hole
(5) Package material
(7) Packaging equipment
(P) Package
(S) Writing instruments (packaged items)

Claims (4)

A folding station that folds the long sheet conveyed in the longitudinal direction in the width direction so that the top sheet and the back sheet connected in the lower side overlap each other,
A hole forming station that forms long holes at a predetermined pitch along the conveying direction of the long sheet at the upper end of the top sheet portion and the back sheet portion that overlap,
By heating and pressing the top sheet portion and the back sheet portion, the long hole to the lower end are divided along the vertical direction and welded, and are connected in the transport direction by a belt-like connecting portion on the upper side of the long hole. A bag making station forming a bag portion;
An opening station that opens the upper end of the bag portion by separating the strip-shaped connecting portions from each other on the downstream side of the bag making station;
A filling station that fills the bag portion that is opened at the opening station with an article to be packaged, and
By welding the lower side of the long hole of the bag portion along the conveying direction on the downstream side of the filling station, the upper end of the bag portion is closed to form a package body in which the bagging of the package is completed. And a final sealing station to
A packaging apparatus comprising: a separation station that separates the packages connected in the transport direction by the belt-shaped connecting portion by cutting between the long holes of the bag portion along the transport direction. A folding station that folds the long sheet conveyed in the longitudinal direction in the width direction so that the top sheet and the back sheet connected in the lower side overlap each other,
A hole forming station that forms long holes at a predetermined pitch along the conveying direction of the long sheet at the upper end of the top sheet portion and the back sheet portion that overlap,
By heating and pressing the top sheet portion and the back sheet portion, the long hole to the lower end are divided along the vertical direction and welded, and are connected in the transport direction by a belt-like connecting portion on the upper side of the long hole. A bag making station forming a bag portion;
An opening station that opens the upper end of the bag portion by separating the strip-shaped connecting portions from each other on the downstream side of the bag making station;
A filling station that fills the bag portion that is opened at the opening station with an article to be packaged, and
By separating and welding the lower side of the long hole of the bag part along the conveying direction by heating and clamping on the downstream side of the filling station, the separation of the bag part connected by the belt-like connecting part and the A packaging apparatus comprising: a final sealing station that simultaneously closes the upper end of the bag portion and forms individual packages in which the bagging of the package is completed. In the packaging device according to claim 1 or 2,
By welding a position at a predetermined height from the lower ends of the overlapping front sheet portion and back surface sheet portion along the conveying direction, the bag portion is suspended from the accommodating portion for accommodating the packaged object and the packaging body. Having an intermediate seal station that forms an intermediate seal section that divides into a suspension section for lowering,
The suspending device is characterized in that a hook hole for suspending the wrapping body on the display hook is formed in the suspending portion. In the packaging device according to any one of claims 1 to 3,
The hole forming station forms an incision for opening extending downward from the long hole together with the long hole.

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